CN110455114B - Centrifugal rotational flow hollow rotatable nozzle device - Google Patents
Centrifugal rotational flow hollow rotatable nozzle device Download PDFInfo
- Publication number
- CN110455114B CN110455114B CN201910911298.4A CN201910911298A CN110455114B CN 110455114 B CN110455114 B CN 110455114B CN 201910911298 A CN201910911298 A CN 201910911298A CN 110455114 B CN110455114 B CN 110455114B
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- Prior art keywords
- water distribution
- conical
- ring
- horizontal
- disc
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000000498 cooling water Substances 0.000 abstract description 21
- 238000005507 spraying Methods 0.000 abstract description 8
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/06—Spray nozzles or spray pipes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a centrifugal rotational flow hollow rotatable nozzle device, and belongs to the technical field of air conditioner refrigeration. The device comprises a centrifugal rotational flow hollow nozzle, a connecting rod, a fixed shaft and a conical water distribution disc. The conical water distribution plate is arranged in the mounting groove of the fixed shaft through the central ring, the central ring is in clearance fit with the mounting groove, and the conical water distribution plate can rotate freely. After the cooling water is acted by the centrifugal rotational flow hollow nozzle, a part of the cooling water collides with the inclined baffle above the conical water distribution plate to generate thrust, so that the conical water distribution plate rotates around the fixed shaft; meanwhile, after the other part of cooling water collides with the conical vertical face of the rotating conical water distribution plate, the cooling water is distributed to flow down from the water distribution Kong Zhuci to cover the position below the nozzle; the invention can effectively improve the characteristic that the water distribution of the centrifugal cyclone hollow nozzle with the tangential inlet at one side is more near the water distribution at one side of the inlet, and the water distribution is more uniform in the spraying range.
Description
Technical Field
The invention belongs to the technical field of manufacturing of special equipment of an air conditioning system, is suitable for water distribution of a counter-flow cooling tower, and relates to a centrifugal rotational flow hollow nozzle device suitable for the counter-flow cooling tower of the air conditioning system. The centrifugal cyclone hollow nozzle device can improve inherent defects in the spraying characteristics of the centrifugal cyclone hollow nozzle, generate larger spraying coverage area, stronger splashing degree of cooling water and less spraying coverage blank areas, thereby improving the performance of the countercurrent cooling tower.
Background
The cooling tower is a device which uses water as a circulating coolant, absorbs heat from the system and discharges the heat to the atmosphere so as to reduce the water temperature; the principle is that the evaporation heat-dissipation device which utilizes the principles of heat dissipation by evaporation, convection heat transfer, radiation heat transfer and the like to dissipate the waste heat generated in industry or refrigeration air conditioner to reduce the water temperature by utilizing the heat exchange generated by the flowing contact of water and air, so as to ensure the normal operation of a circulation system. The counter-current tower is one type of cooling tower, and in terms of operation, water flows vertically in the tower, and the direction of the air flow for heat exchange with the water is opposite to that of the water flow. In the process, the flow process of the water flow from top to bottom plays a decisive role in the heat exchange effect of the cooling water in the tower. The starting point of the water flow is a nozzle positioned at the upper part of the countercurrent tower.
The spray nozzle is a common spraying device in the countercurrent tower, and can change stranded water into small water drops through the spray nozzle to be evenly sprayed on the filler, so that the heat exchange area between cooling water and countercurrent air is increased as much as possible, and the aim of increasing the convective heat exchange coefficient is fulfilled. The spray condition of the spray nozzle to the cooling water directly affects the efficiency, energy consumption and investment of the cooling tower. The spray characteristics are critical to the overall performance of the counterflow cooling tower.
Disclosure of Invention
Aiming at the problem that cooling water is unevenly distributed in a spraying range in the prior art, the invention provides a centrifugal rotational flow hollow rotatable nozzle device with more even water distribution.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a centrifugal cyclone hollow rotatable nozzle device, which comprises a centrifugal cyclone hollow nozzle 1, a connecting rod 2, a fixed shaft 3 and a conical water distribution disc 4;
the fixed shaft 3 is of an axisymmetric structure and is divided into an upper part and a lower part, wherein the upper part is a conical body, and the lower part is a cylinder; the fixed shaft 3 is provided with a mounting groove, and the fixed shaft 3 is fixedly mounted at the water outlet of the centrifugal cyclone hollow nozzle 1 through three connecting rods 2 which are arranged at 120 degrees intervals, so that the axis of the fixed shaft 3 is ensured to coincide with the water outlet axis of the centrifugal cyclone hollow nozzle 1; the conical water distribution disc 4 comprises a central circular ring 5, a supporting column 6, a horizontal disc 7, a circular water distribution hole 8, a conical vertical face 9, a rectangular water distribution hole 10, a horizontal ring 11 and an inclined baffle 12; the horizontal disc 7 is in a circular shape, three rows of circular water distribution holes 8 are formed in the horizontal disc, each row is arranged at intervals, and each row is in a staggered structure; the central circular ring 5 is positioned at the center of the conical water distribution disc 4 and is fixedly connected with the outer ring of the horizontal disc 7 through four support columns 6 arranged at 90 degrees intervals, and the axes of the four support columns 6 are parallel to the plane of the horizontal disc 7; the small diameter end of the conical vertical face 9 is arranged at the outer ring of the horizontal disc 7, the conical vertical face 9 is integrally positioned at one side of the horizontal disc 7, which is close to the centrifugal rotational flow hollow nozzle 1, the included angle between the conical vertical face 9 and the horizontal disc 7 is 165 degrees, four rows of rectangular water distribution holes 10 are formed in the conical vertical face 9, each row is arranged at intervals, and each row is in a staggered structure; the inner ring surface of the horizontal ring 11 is arranged at the large diameter end of the conical elevation 9, and the axis of the horizontal ring 11 coincides with the axis of the conical elevation 9; the inclined baffle 12 is arranged on the horizontal ring 11, the inclined baffle 12 is positioned on one side of the horizontal ring 11, which is close to the centrifugal swirling hollow nozzle 1, the inclined baffle 12 is vertical to the horizontal ring 11, the diameter included angle between the inclined baffle 12 and the horizontal ring 11 is 109 degrees, and the height of the inclined baffle 12 is 5 millimeters; the conical water distribution plate 4 is arranged in the mounting groove of the fixed shaft 3 through the central ring 5, the central ring 5 is in clearance fit with the mounting groove, and the conical water distribution plate 4 can rotate freely.
Further, the inner diameter of the horizontal disc 7 is d=80 mm.
Further, the inner diameter of the central ring 5 is d=20mm.
Further, the number of the circular water distribution holes 8 is 108.
Further, the number of the rectangular water distribution holes 10 is 145.
Further, the total of 24 inclined baffles 12 are installed at equal intervals.
After the cooling water is acted by the centrifugal cyclone hollow nozzle 1, a part of the cooling water collides with the inclined baffle above the conical water distribution plate 4 to generate thrust, so that the conical water distribution plate 4 rotates around the fixed shaft 3; meanwhile, after the other part of cooling water collides with the conical vertical face 9 of the rotating conical water distribution disc 4, the cooling water is distributed downwards from the water distribution Kong Zhuci to cover the position below the nozzle; when the cooling water contains impurities with larger size, the impurities cannot pass through the water distribution holes, so that the impurities can be entrained by the cooling water and flow down from the middle area of the horizontal disc 7, and the water distribution holes cannot be blocked.
The invention has the beneficial effects that the characteristic that the water distribution of the centrifugal cyclone hollow nozzle with the tangential inlet at one side is more near the water distribution at one side of the inlet can be effectively improved, and the water distribution is more uniform in the spraying range.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 (a) is a top view and front view of a conical water distribution tray;
FIG. 2 (b) is a top view and front view of a conical water distribution tray;
FIG. 3 (a) is a specific dimension of the device of the present invention;
FIG. 3 (b) is a specific dimension of the device of the present invention;
FIG. 3 (c) is a specific dimension of the device of the present invention;
fig. 3 (d) shows the specific dimensions of the device of the present invention.
In the figure: 1, a centrifugal rotational flow hollow nozzle; 2 connecting rods; 3, fixing the shaft; 4, a conical water distribution plate; 5 a central circular ring; 6, supporting columns; 7 horizontal discs; 8, a circular water distribution hole; 9 conical elevation; 10 rectangular water distribution holes; 11 horizontal rings; 12 inclined baffle plates.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
FIG. 1 is a front view of a centrifugal swirling hollow rotatable nozzle device of the present invention, which comprises a centrifugal swirling hollow nozzle 1, a connecting rod 2, a fixed shaft 3 and a conical water distribution plate 4;
the fixed shaft 3 is of an axisymmetric structure and is divided into an upper part and a lower part, wherein the upper part is a conical body, and the lower part is a cylinder; the fixed shaft 3 is provided with a mounting groove, and the fixed shaft 3 is fixedly mounted at the water outlet of the centrifugal cyclone hollow nozzle 1 through three connecting rods 2 which are arranged at 120 degrees intervals, so that the axis of the fixed shaft 3 is ensured to coincide with the water outlet axis of the centrifugal cyclone hollow nozzle 1; the conical water distribution disc 4 comprises a central circular ring 5, a supporting column 6, a horizontal disc 7, a circular water distribution hole 8, a conical vertical face 9, a rectangular water distribution hole 10, a horizontal ring 11 and an inclined baffle 12; the horizontal disc 7 is in a circular shape, three rows of circular water distribution holes 8 are formed in the horizontal disc, each row is arranged at intervals, and each row is in a staggered structure; the central circular ring 5 is positioned at the center of the conical water distribution disc 4 and is fixedly connected with the outer ring of the horizontal disc 7 through four support columns 6 arranged at 90 degrees intervals, and the axes of the four support columns 6 are parallel to the plane of the horizontal disc 7; the small diameter end of the conical vertical face 9 is arranged at the outer ring of the horizontal disc 7, the conical vertical face 9 is integrally positioned at one side of the horizontal disc 7, which is close to the centrifugal rotational flow hollow nozzle 1, the included angle between the conical vertical face 9 and the horizontal disc 7 is 165 degrees, four rows of rectangular water distribution holes 10 are formed in the conical vertical face 9, each row is arranged at intervals, and each row is in a staggered structure; the inner ring surface of the horizontal ring 11 is arranged at the large diameter end of the conical elevation 9, and the axis of the horizontal ring 11 coincides with the axis of the conical elevation 9; the inclined baffle 12 is arranged on the horizontal ring 11, the inclined baffle 12 is positioned on one side of the horizontal ring 11, which is close to the centrifugal swirling hollow nozzle 1, the inclined baffle 12 is vertical to the horizontal ring 11, the diameter included angle between the inclined baffle 12 and the horizontal ring 11 is 109 degrees, and the height of the inclined baffle 12 is 5 millimeters; the conical water distribution plate 4 is arranged in the mounting groove of the fixed shaft 3 through the central ring 5, the central ring 5 is in clearance fit with the mounting groove, and the conical water distribution plate 4 can rotate freely.
Further, the inner diameter of the horizontal disc 7 is d=80 mm.
Further, the inner diameter of the central ring 5 is d=20mm.
Further, the number of the circular water distribution holes 8 is 108.
Further, the number of the rectangular water distribution holes 10 is 145.
Further, the total of 24 inclined baffles 12 are installed at equal intervals.
When the centrifugal cyclone hollow rotatable nozzle device is used, the centrifugal cyclone hollow nozzle device is vertically arranged, the centrifugal cyclone hollow nozzle device 1 is positioned at the uppermost part, cooling water is sprayed to the conical water distribution disc 4 under the action of the centrifugal cyclone hollow nozzle device 1 and gravity after entering the centrifugal cyclone hollow nozzle device 1, and part of the cooling water collides with an inclined baffle above the conical water distribution disc 4 to generate thrust, so that the conical water distribution disc 4 rotates around the fixed shaft 3; meanwhile, after the other part of cooling water collides with the conical vertical surface of the rotating conical water distribution disc 4, the cooling water is distributed to flow down from the water distribution Kong Zhuci to cover the position below the nozzle; when the cooling water contains impurities with larger size, the impurities cannot pass through the water distribution holes, so that the impurities can be entrained by the cooling water and flow down from the middle area of the horizontal disc 7, and the water distribution holes cannot be blocked.
The invention can effectively improve the characteristic that the water distribution of the centrifugal cyclone hollow nozzle with the tangential inlet at one side is more near the water distribution at one side of the inlet, and the water distribution is more uniform in the spraying range.
Claims (6)
1. A centrifugal rotational flow hollow rotatable nozzle device, which is characterized by comprising a centrifugal rotational flow hollow nozzle (1), a connecting rod (2), a fixed shaft (3) and a conical water distribution disc (4);
the fixed shaft (3) is of an axisymmetric structure and is divided into an upper part and a lower part, wherein the upper part is a conical body, and the lower part is a cylinder; the fixed shaft (3) is provided with a mounting groove, the fixed shaft (3) is fixedly mounted at the water outlet of the centrifugal cyclone hollow nozzle (1) through three connecting rods (2) which are arranged at 120 degrees intervals, and the coincidence of the axis of the fixed shaft (3) and the water outlet axis of the centrifugal cyclone hollow nozzle (1) is ensured; the conical water distribution plate (4) comprises a central circular ring (5), a support column (6), a horizontal disc (7), a circular water distribution hole (8), a conical vertical surface (9), a rectangular water distribution hole (10), a horizontal ring (11) and an inclined baffle plate (12); the horizontal disc (7) is in a circular shape, three rows of circular water distribution holes (8) are formed in the horizontal disc, each row is arranged at intervals, and each row is in a staggered structure; the central circular ring (5) is positioned at the center of the conical water distribution disc (4), and is fixedly connected with the outer ring of the horizontal disc (7) through four support columns (6) arranged at 90 degrees intervals, and the axes of the four support columns (6) are parallel to the plane of the horizontal disc (7); the small diameter end of the conical vertical face (9) is arranged at the outer ring of the horizontal disc (7), the conical vertical face (9) is integrally positioned at one side of the horizontal disc (7) close to the centrifugal rotational flow hollow nozzle (1), the included angle between the conical vertical face (9) and the horizontal disc (7) is 165 degrees, four rows of rectangular water distribution holes (10) are formed in the conical vertical face (9), each row is arranged at intervals, and each row is in a staggered structure; the inner ring surface of the horizontal ring (11) is arranged at the large-diameter end of the conical elevation (9), and the axis of the horizontal ring (11) is coincident with the axis of the conical elevation (9); the inclined baffle plate (12) is arranged on the horizontal ring (11), the inclined baffle plate (12) is positioned on one side of the horizontal ring (11) close to the centrifugal rotational flow hollow nozzle (1), the inclined baffle plate (12) is perpendicular to the horizontal ring (11), the diameter included angle between the inclined baffle plate (12) and the horizontal ring (11) is 109 degrees, and the height of the inclined baffle plate (12) is 5 millimeters; the conical water distribution plate (4) is arranged in the mounting groove of the fixed shaft (3) through the central circular ring (5), the central circular ring (5) is in clearance fit with the mounting groove, and the conical water distribution plate (4) can rotate freely.
2. A centrifugal cyclone hollow rotatable nozzle device according to claim 1, wherein the inner diameter of the horizontal disc (7) is d=80 mm.
3. A centrifugal cyclone hollow rotatable nozzle device according to claim 1, wherein the inner diameter of the central ring (5) is D = 20mm.
4. A centrifugal cyclone hollow rotatable nozzle device according to claim 1, wherein there are 108 total circular water distribution holes (8).
5. A centrifugal cyclone hollow rotatable nozzle device according to claim 1, wherein the number of rectangular water distribution holes (10) is 145.
6. A centrifugal cyclone hollow rotatable nozzle device according to claim 1, wherein the inclined baffles (12) are 24 in total, equally spaced.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019107347237 | 2019-08-09 | ||
| CN201910734723 | 2019-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110455114A CN110455114A (en) | 2019-11-15 |
| CN110455114B true CN110455114B (en) | 2024-03-22 |
Family
ID=68492718
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921605889.0U Withdrawn - After Issue CN210533156U (en) | 2019-08-09 | 2019-09-25 | Centrifugal rotational flow hollow rotatable nozzle device |
| CN201910911298.4A Active CN110455114B (en) | 2019-08-09 | 2019-09-25 | Centrifugal rotational flow hollow rotatable nozzle device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921605889.0U Withdrawn - After Issue CN210533156U (en) | 2019-08-09 | 2019-09-25 | Centrifugal rotational flow hollow rotatable nozzle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN210533156U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210533156U (en) * | 2019-08-09 | 2020-05-15 | 大连斯频德环境设备有限公司 | Centrifugal rotational flow hollow rotatable nozzle device |
| CN115504529B (en) * | 2022-09-29 | 2023-11-10 | 江苏大学 | High-efficient cavitation broken wall generating device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0654649A2 (en) * | 1993-11-23 | 1995-05-24 | SPIG INTERNATIONAL S.p.A. | Rotor for spray nozzle for cooling tower |
| US5553786A (en) * | 1993-07-28 | 1996-09-10 | Israel; Chermoni | Low volume irrigation device for horticulture and agriculture crops |
| CN201493195U (en) * | 2009-09-04 | 2010-06-02 | 常州市科慧制冷设备有限公司 | Anti-blocking spiral spray nozzle |
| KR20130091580A (en) * | 2012-02-08 | 2013-08-19 | 성 동 여 | An assembled sprinkle nozzle |
| CN203240953U (en) * | 2013-01-29 | 2013-10-16 | 海宁松立冷却设备有限公司 | Crossflow type cooling tower nozzle |
| CN104154808A (en) * | 2014-08-25 | 2014-11-19 | 魏熙臣 | Rotary splashing device |
| CN106052415A (en) * | 2016-06-20 | 2016-10-26 | 青岛新宇田化工有限公司 | Rotary cooler |
| CN109317322A (en) * | 2017-08-01 | 2019-02-12 | 张从桢 | A kind of impeller for sector spray head of spraying surely |
| CN109827461A (en) * | 2019-01-29 | 2019-05-31 | 大连斯频德环境设备有限公司 | A kind of centrifugal rotational flow nozzle device suitable for air-conditioning system counterflow cooling tower |
| CN210533156U (en) * | 2019-08-09 | 2020-05-15 | 大连斯频德环境设备有限公司 | Centrifugal rotational flow hollow rotatable nozzle device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009070691A1 (en) * | 2007-11-27 | 2009-06-04 | Curtis Harold D | Spray nozzle |
-
2019
- 2019-09-25 CN CN201921605889.0U patent/CN210533156U/en not_active Withdrawn - After Issue
- 2019-09-25 CN CN201910911298.4A patent/CN110455114B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5553786A (en) * | 1993-07-28 | 1996-09-10 | Israel; Chermoni | Low volume irrigation device for horticulture and agriculture crops |
| EP0654649A2 (en) * | 1993-11-23 | 1995-05-24 | SPIG INTERNATIONAL S.p.A. | Rotor for spray nozzle for cooling tower |
| CN201493195U (en) * | 2009-09-04 | 2010-06-02 | 常州市科慧制冷设备有限公司 | Anti-blocking spiral spray nozzle |
| KR20130091580A (en) * | 2012-02-08 | 2013-08-19 | 성 동 여 | An assembled sprinkle nozzle |
| CN203240953U (en) * | 2013-01-29 | 2013-10-16 | 海宁松立冷却设备有限公司 | Crossflow type cooling tower nozzle |
| CN104154808A (en) * | 2014-08-25 | 2014-11-19 | 魏熙臣 | Rotary splashing device |
| CN106052415A (en) * | 2016-06-20 | 2016-10-26 | 青岛新宇田化工有限公司 | Rotary cooler |
| CN109317322A (en) * | 2017-08-01 | 2019-02-12 | 张从桢 | A kind of impeller for sector spray head of spraying surely |
| CN109827461A (en) * | 2019-01-29 | 2019-05-31 | 大连斯频德环境设备有限公司 | A kind of centrifugal rotational flow nozzle device suitable for air-conditioning system counterflow cooling tower |
| CN210533156U (en) * | 2019-08-09 | 2020-05-15 | 大连斯频德环境设备有限公司 | Centrifugal rotational flow hollow rotatable nozzle device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN210533156U (en) | 2020-05-15 |
| CN110455114A (en) | 2019-11-15 |
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