CN201449167U - Cooling tower for central air-conditioning - Google Patents
Cooling tower for central air-conditioning Download PDFInfo
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- CN201449167U CN201449167U CN2009200472558U CN200920047255U CN201449167U CN 201449167 U CN201449167 U CN 201449167U CN 2009200472558 U CN2009200472558 U CN 2009200472558U CN 200920047255 U CN200920047255 U CN 200920047255U CN 201449167 U CN201449167 U CN 201449167U
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- cooling tower
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Abstract
The utility model provides a kind of high-efficient, water-saving, energy-saving and environmental protection square cross flow type cooling tower, capable of operating safely and ensuring cooling capacity. The cooling tower comprises a frame, a wind pipe and a draught fan; two sides of the cooling tower are provided with watering devices, watering fillers include a plurality of distant fillers slices, a watering basin is arranged above the watering fillers, the bottom of the watering basin is provided with showerheads for spraying water to the clearances between two neighboring fillers slices; a water collection basin is arranged below the watering fillers; two sides of the fillers slice are provided with step-type air-in region and air-out region, and the middle of each fillers slice is provided with a herringbone moire heat exchange region; a vertical first lug for preventing water from entering the air-in region is arranged between the air-in region and the heat exchange region; a vertical second lug for preventing water from entering the air-out region is arranged between the air-out region and the heat exchange region; honeycomb-shaped air inlets are formed by contact of the air-in regions of two neighboring fillers regions, and honeycomb-shaped air outlets are formed by contact of the air-out regions of two neighboring fillers regions.
Description
Technical field
The utility model relates to a kind of central air-conditioning cooling tower, particularly a kind of square cross flow cooling tower.
Background technology
At present, all central air conditionings all are fitted with cooling tower.It comprises frame, at the cooling tower top air duct is set, blower fan is set in air duct; Be provided with the liquid distribution of mainly forming by trickle basin, water-distribution nozzle, packing, reception basin in the cooling tower both sides, packing comprises multi-disc packing sheet separately, the trickle basin is arranged above packing, be provided for water is sprayed into the water-distribution nozzle in the gap between the packing sheet in the bottom of trickle basin; Reception basin is arranged on the bottom of packing, and the both sides of packing are respectively air intake district and wind outlet area.The effect of cooling tower is that cooling tower will carry used heat in running cooling water carries out heat exchange at Ta Nei and air to the cooling of lowering the temperature of operating central air conditioning, makes used heat be transferred to air and spills into atmosphere.The operation principle of cooling tower is that the cooling water in the trickle basin is wire through water-distribution nozzle and flows downward and spatter into tiny water droplet, flows into reception basin behind packing.Current are when splashing the whereabouts, and cold air relies on the formed suction of blower fan, are inhaled into to enter atmosphere by the top after Ta Nei contacts with current, and most water is cooled owing to being subjected to evaporation, and the water of fraction and cross-ventilation heat transfer are cooled.Cooling water in the reception basin is sent into condenser and is reused along supply channel again.
Employed square cross flow cooling tower on the present central air-conditioning, packing does not have water collector, and multilayer is shelved formula and installed, its water obviously (as spotting) that wafts, the inboard wind outlet area of packing has the obvious globule to blow out to fall earthward, the air intake district, the outside of packing outwards dabbles and falls earthward, and waste water resource, cooling tower be with water flowing of face length phase peripherally, but also increased the rate of water make-up of cooling tower water, fan efficiency is low, and power consumption is big, and the power consumption ratio is all greater than 0.038kw/ (m
3/ h).National Specification is not more than 0.035kw/ (m
3/ h).
The water of the water distribution system institute cloth that trickle basin and water-distribution nozzle etc. are formed is thick inhomogeneous again, influences thermal performance (cooling capacity), and thermal performance is below 80%, and the national Specification thermal performance is not less than 95%.
The utility model content
The purpose of this utility model provides a kind of square cross flow cooling tower that guarantees safe operation and can guarantee " efficiently, water saving, the energy-saving and environmental protection " of cooling capacity.
This central air-conditioning cooling tower comprises frame, at the cooling tower top air duct is set, blower fan is set in air duct; Be provided with the liquid distribution of mainly forming by trickle basin, water-distribution nozzle, packing, reception basin in the cooling tower both sides, packing comprises multi-disc packing sheet separately, the trickle basin is arranged above packing, be provided for water is sprayed into the water-distribution nozzle in the gap between the packing sheet in the bottom of trickle basin; Reception basin is arranged on the bottom of packing; There is the air intake district and the wind outlet area of notch cuttype the both sides of packing sheet, and the middle part of packing sheet is the heat transfer zone that is the herringbone ripple; Between air intake district and heat transfer zone, have vertical anti-sealing and enter first lug, nib in air intake district; Between wind outlet area and heat transfer zone, have vertical anti-sealing and enter second lug, nib of wind outlet area; The air intake district of adjacent packing sheet contacts and the air inlet of formation honeycomb, and the wind outlet area of adjacent packing sheet contacts and the air outlet of formation honeycomb.
Packing sheet has the heat transfer zone that is the herringbone ripple, increased heat exchange area, make water, gas can fully contact, the heat exchanger effectiveness height. first lug, nib effectively separates air intake district and heat transfer zone, make the water in the heat transfer zone can not enter the air intake district, the air intake district that has prevented packing outwards dabbles to fall earthward and (that is to say, prevented the phenomenon that dabbles in air intake district). second lug, nib effectively separates wind outlet area and heat transfer zone, make the water in the heat transfer zone can not enter wind outlet area, having prevented that the packing wind outlet area from falling earthward to flare water (that is to say, prevented the water phenomenon of wafing of wind outlet area). become the air inlet and the air outlet of honeycomb, also guaranteed under the unobstructed prerequisite of turnover wind, prevent that the water in the heat transfer zone from entering air intake district and wind outlet area. so the utility model cooling tower heat exchanger effectiveness height, thermal performance reaches 100%; Packing waft the water rate can be controlled in 0.001% scope less than quantity of circulating water (the national inspection centers testing result is: 0.00056%) thereby. obtained the thermal performance height, waftd that the water rate is extremely low, power consumption has been than the high-efficiency cooling tower little, that noise is low.
In order to make the gap between the packing sheet keep certain, prevent packing sheet distortion skew, have mutual positioner on the adjacent packing sheet respectively, the positioner on the packing sheet is a jut, and the positioner on another packing sheet is and the corresponding recess of jut.In order to have better locating effect, described jut and recess are tapered.
For convenience packing sheet is hung, at the through hole that has on each packing sheet on same axis, the periphery of through hole has stiffening ring.During use, the through hole that a back shaft is passed each packing sheet can hang packing sheet.Stiffening ring plays reinforcement effect to the periphery of through hole, prevents that through hole is torn.Stiffening ring belongs to prior art.
In order further to prevent the water phenomenon of wafing of air inlet, air outlet, each packing sheet becomes heeling condition from the top down, and the packing sheet bottom is near the axis of blower fan.
As improvement, water-distribution nozzle is a natural gravity pond formula water-distribution nozzle, and water-distribution nozzle comprises that the upper end has the cylinder-shaped body pipe of a main ring flange, extend into mozzle in the main body pipe, is fixedly connected on the petal disc of main body pipe bottom; Main body pipe, mozzle, petal disc three coaxial line, petal disc is fixedly connected on main body pipe bottom by two above dowels, and it is the circumferential of axis that dowel is distributed on the mozzle axis.Because petal disc is fixedly connected on main body pipe bottom by two above dowels, it is the circumferential direction of axis that dowel is distributed on the mozzle axis.Petal disc stress balance can inclination and distortion, and uniformity of water distribution is good.Best two dowel lower ends overlap, and are connected the center of petal disc jointly; Article two, the dowel upper end relatively is connected on the tube wall of main body pipe.Preferably, the dowel cross section becomes flat ellipse taper.
As improvement, on the main ring flange of water-distribution nozzle, have the taper draw-in groove, the upper end of mozzle has a secondary ring flange, and secondary ring flange embeds and is used to limit in the mobile vertically taper draw-in groove of secondary ring flange.Like this, dismounting and change, when cleaning during shower nozzle mozzle can not break away from the main body pipe.
As improvement, on the external cylindrical surface of the main body pipe of water-distribution nozzle, reinforcement is set, make main body Guan Buhui distortion.
As improvement, the external cylindrical surface of the main body pipe of water-distribution nozzle is provided with helicoid and the resilient fin that tilts with its axis.By resilient fin, in the installing hole of the trickle basin bottom part that the external cylindrical surface of main body pipe can be screwed in; The main body pipe can not be out of shape yet simultaneously.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the schematic diagram of a slice packing sheet (A sheet) in the adjacent packing sheet.
Fig. 4 is the schematic diagram of another sheet packing sheet (B sheet) in the adjacent packing sheet.
Fig. 5 is the superimposed schematic diagram of adjacent packing sheet (A sheet, B sheet).
Fig. 6 is the right view of Fig. 5.
Fig. 7 is that E among Fig. 5 is to zoomed-in view.
Fig. 8 is the G portion enlarged drawing among Fig. 6.
Fig. 9 is the upward view (amplification) of Fig. 3.
Figure 10 is the schematic diagram of water-distribution nozzle.
Figure 11 is the vertical view of Figure 10.
Figure 12 is the upward view of Figure 10.
Figure 13 is the vertical view of the petal disc among Figure 11.
Figure 14 is the front view of mozzle.
Figure 15 is the vertical view of Figure 14.
Figure 16 is the upward view of Figure 14.
Figure 17 be the main body pipe front view.
Figure 18 is the upward view of Figure 17.
The specific embodiment
Central air-conditioning cooling tower shown in Fig. 1,2 comprises frame 11, at the cooling tower top air duct 12 is set, blower fan 13 is set in air duct; Motor 14 links to each other with blower fan 13 through decelerator 15.Be provided with the liquid distribution of mainly being made up of trickle basin 16, water-distribution nozzle 17, packing 18, reception basin 19 in the cooling tower both sides, packing 19 is made up of multi-disc packing sheet 34 separately.Trickle basin 16 is arranged above packing, be provided for water is sprayed into the water-distribution nozzle 17 in the gap between the packing sheet in the bottom of trickle basin; Reception basin 19 is arranged on the bottom of packing.Packing sheet 34 comprises A sheet, the B sheet of space.The structure of A sheet, B sheet is basic identical, and the part is slightly variant.
Referring to Fig. 3,4,9, there are the air intake district 20 of notch cuttype and the wind outlet area 21 of notch cuttype in the both sides of each packing sheet (comprising A sheet and B sheet), and the middle part is the heat transfer zone 22 that is the herringbone ripple; Between air intake district and heat transfer zone, have vertical anti-sealing and enter first lug, nib 23 in air intake district; Between wind outlet area and heat transfer zone, have vertical anti-sealing and enter second lug, nib 24 of wind outlet area.The air intake district of adjacent packing sheet (A sheet and B sheet) contacts and forms the air inlet 25 of honeycomb, the wind outlet area contact of adjacent packing sheet and form the air outlet of honeycomb.
Has mutual positioner respectively on the adjacent packing sheet (A sheet and B sheet).Positioner comprises three places mutually, and a place is that the mutual positioner at the mutual positioner 26 that is positioned at heat transfer zone 22, other two places lays respectively at air intake district 20 and wind outlet area 21.
Mutually positioner 26 be included on the A sheet pyramidal projections portion 28 and on the B sheet with pyramidal projections portion 28 corresponding taper recess 29.Pyramidal projections portion 28, taper recess 29 are arranged on heat transfer zone 22.
The mutual positioning device structure that is positioned at air intake district and wind outlet area is identical, and we are that example describes with the mutual positioner 27 in air intake district only.Mutually positioner 27 be included on the A sheet pyramidal projections portion 30 and on the B sheet with pyramidal projections portion 30 corresponding taper recess 31.Pyramidal projections portion 30, taper recess 31 are arranged on heat transfer zone 20.
At the through hole 32 that has on each packing sheet on same axis, the periphery of through hole has stiffening ring 33.
Referring to Fig. 1, each packing sheet 34 becomes heeling condition from the top down, and the packing sheet bottom is near the axis of blower fan.
It is cellular that A sheet, two kinds of packing sheets of B sheet are formed the back receipts water surface (air outlet), wind-guiding face (air inlet) forms several hexagons, greatly reduce the water that wafts, dabble and lose and windage. there are some manholes, through hole circumference to be provided with stiffening ring on the packing sheet, be convenient to the filler superconducting tilting suspension and install, stiffening ring is used for preventing that the through hole stress point from breaking; Also be convenient to the installation of packing sheet and cleaned and changed in the future. the tapered protrusion portion and the recess that are distributed with on the packing sheet, the A sheet, the tapered protrusion cross bearing of two kinds of packing sheets of B sheet, and with the conical surface and conical surface interlocking, make and interfix between the packing sheet and form flat hollow, obtain water, gas flow chamber (A sheet, gap between the B sheet), help flowing of the unimpeded and moisture film of air. receive the water surface (air outlet) tower chamber face ventilation blower, hot blast is blown out from the air duct outlet, hot water sprays the filler of flowing through downwards by the shower nozzle in the cat head trickle basin, air and water are finished heat exchange between packing sheet, reach the purpose that reduces water temperature.
The herringbone corrugated design of packing sheet uniqueness, even tiny water is sprayed to the packing sheet surface form the water film, make it flow through longitudinal area and reach maximum, water and air is fully contacted, therefore produced higher thermal performance (cooling capacity), again because of being distributed with some tapered protrusion portion on the packing sheet, make and interfix indeformable between the packing sheet and form the water of unimpeded flat, the gas flow chamber, be convenient to flowing of sky G﹠W, the herringbone ripple of the unique design of water on the packing sheet slowly flows downward, with from water, heat exchange is carried out in the air contact of gas flow chamber process, has improved thermal performance.
Packing sheet collection wind-guiding, heat exchange, receipts water are one, can significantly reduce the water loss that wafts, and guarantee that air evenly enters, and evenly distribute in flowing, and unobstructed flow have reduced air flow resistance to blower fan, reduce the fan operation energy consumption, have saved the water rate and the electricity charge.
Referring to Figure 10-18, water-distribution nozzle 17 is a natural gravity pond formula water-distribution nozzle, comprises that the upper end has the cylinder-shaped body pipe 2 of a main ring flange 1, extend into mozzle 3 in the main body pipe, is fixedly connected on the petal disc 4 of main body pipe bottom.Main body pipe, mozzle, petal disc three coaxial line.Have taper draw-in groove 6 on main ring flange 1, the upper end of mozzle 3 has a secondary ring flange 7, and secondary ring flange 7 embeds and is used to limit in the mobile vertically taper draw-in groove 6 of secondary ring flange.The direction that is parallel to its axis on the external cylindrical surface of main body pipe 2 is provided with two reinforcements 8.The external cylindrical surface of main body pipe is provided with helicoid and the resilient fin 9 that tilts with its axis.The mozzle external cylindrical surface is provided with reinforcement 10.
Article two, dowel 5 lower ends overlap, and are connected the center of petal disc jointly; Article two, the dowel upper end relatively is connected on the tube wall of main body pipe 2.The cross section becomes two dowels 5 of flat ellipse taper with mozzle axis symmetry.
Described flange form mozzle aperture can change according to the flow needs.Described petal disc and main body junction are two flat ellipse taper reinforcements, and petal disc can be out of shape, and the reliability height guarantees the tiny uniformity of water distribution.Described nozzle body external cylindrical surface is provided with reinforcement, is provided with the planar whippy fin of spiral, makes main body can not be out of shape easy installation and removal.The mozzle external cylindrical surface is provided with reinforcement.The secondary ring flange 7 of mozzle is pressed in the taper draw-in groove 6 on the main ring flange 1, and mozzle can not come off during dismounting.Mozzle, main body pipe, petal disc are injection molded by engineering plastics, use the distortion of also can not corroding and wear out under relatively poor condition of water quality.
Water is entered by the mozzle R shape mouth at shower nozzle top, quicken vertical drop to petal disc (annotate: petal disc works the peptizaiton that dabbles) through the head natural gravity, petal disc is set up jointly by 6 whirlwind shape petals, is provided with hydrophobic gap between petal and the petal, guarantees that water distribution is tiny evenly.
Water-distribution nozzle 17 sprays into gap between the heat transfer zone 22 on the adjacent packing sheet with water.Cold wind enters gap between the heat transfer zone 22 on the adjacent packing sheet from the air inlet 25 of honeycomb, and the water in this gap is cooled off, and the air outlet through nest shape flows out then.Heat transfer zone is the herringbone ripple, heat is changed district's flowing water face expansion increase, and has increased heat exchange area.Water on the packing sheet the herringbone ripple slowly flow downward, contact with air from water, gas flow chamber process, carry out heat exchange, produced higher thermal performance (cooling capacity).First lug, nib has prevented that the water in the heat transfer zone from entering the air intake district; Second lug, nib has prevented that the water in the heat transfer zone from entering wind outlet area; Reduced air outlet water, the air inlet loss late that dabbles of wafing, water-saving result is good.
Blower fan is hollow machine aerofoil profile blower fan of cooling tower, and intensity height, balance quality height, air quantity is big, efficient is high, energy consumption is low, noise is little, and the power consumption ratio can be controlled to 0.031kw/ (m3/ h). Cooling tower of the present utility model, water distribution manner are petal dish spray-type shower nozzle water distribution, and this shower nozzle is sprayed water into the globule, and it is tiny evenly to spray water distribution; There is no hollow. Packing changes wind-guiding into, heat is changed, received the water three and is integrated the efficient film packing sheet, this packing sheet good hydrophilic property, and the heat exchanger effectiveness height, thermal performance reaches 100%. The packing water rate of wafing can be controlled in that (the national inspection centers testing result is: 0.00056%), the filler mounting means adopts superconducting tilting suspension in 0.001% scope less than quantity of circulating water. Thereby this cooling tower obtained the thermal performance height, waft that the water rate is extremely low, power consumption is than the effect little, that noise is low. The utlity model has " efficient, water saving, energy-saving and environmental protection " advantage, specifically, its:
1, thermal performance (cooling effectiveness) is efficient;
2, the extremely low water loss rate of wafing is saved the water source;
3, power consumption is low, conserver power source;
4, water pollution-free around the cooling tower, environmental protection;
5, the in the future cleaned and changed convenience that reaches easy for installation is saved labour cost.
Claims (10)
1. the central air-conditioning cooling tower comprises frame, at the cooling tower top air duct is set, blower fan is set in air duct; Be provided with the liquid distribution of mainly forming by trickle basin, water-distribution nozzle, packing, reception basin in the cooling tower both sides, packing comprises multi-disc packing sheet separately, the trickle basin is arranged above packing, be provided for water is sprayed into the water-distribution nozzle in the gap between the packing sheet in the bottom of trickle basin; Reception basin is arranged on the bottom of packing; There is the air intake district and the wind outlet area of notch cuttype the both sides of packing sheet, it is characterized in that: the middle part of packing sheet is the heat transfer zone that is the herringbone ripple; Between air intake district and heat transfer zone, have vertical anti-sealing and enter first lug, nib in air intake district; Between wind outlet area and heat transfer zone, have vertical anti-sealing and enter second lug, nib of wind outlet area; The air intake district of adjacent packing sheet contacts and the air inlet of formation honeycomb, and the wind outlet area of adjacent packing sheet contacts and the air outlet of formation honeycomb.
2. cooling tower according to claim 1 is characterized in that: have mutual positioner on the adjacent packing sheet respectively, the positioner on the packing sheet is a jut, and the positioner on another packing sheet is and the corresponding recess of jut.
3. cooling tower according to claim 2 is characterized in that: described jut and recess are tapered.
4. cooling tower according to claim 1 is characterized in that: at the through hole that has on each packing sheet on same axis, the periphery of through hole has stiffening ring.
5. cooling tower according to claim 1 is characterized in that: each packing sheet becomes heeling condition from the top down, and the packing sheet bottom is near the axis of blower fan.
6. cooling tower according to claim 1, it is characterized in that: water-distribution nozzle is a natural gravity pond formula water-distribution nozzle, and water-distribution nozzle comprises that the upper end has the cylinder-shaped body pipe of a main ring flange, extend into mozzle in the main body pipe, is fixedly connected on the petal disc of main body pipe bottom; Main body pipe, mozzle, petal disc three coaxial line, petal disc is fixedly connected on main body pipe bottom by two above dowels, and it is the circumferential of axis that dowel is distributed on the mozzle axis.
7. cooling tower according to claim 6 is characterized in that: two dowel lower ends overlap, and are connected the center of petal disc jointly; Article two, the dowel upper end relatively is connected on the tube wall of main body pipe.
8. according to claim 6 or 7 described cooling towers, it is characterized in that: have the taper draw-in groove on main ring flange, the upper end of mozzle has a secondary ring flange, and secondary ring flange embeds and is used to limit in the mobile vertically taper draw-in groove of secondary ring flange.
9. according to claim 6 or 7 described cooling towers, it is characterized in that: on the external cylindrical surface of main body pipe, reinforcement is set.
10. according to claim 6 or 7 described cooling towers, it is characterized in that: the external cylindrical surface of main body pipe is provided with helicoid and the resilient fin that tilts with its axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200472558U CN201449167U (en) | 2009-07-13 | 2009-07-13 | Cooling tower for central air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200472558U CN201449167U (en) | 2009-07-13 | 2009-07-13 | Cooling tower for central air-conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449167U true CN201449167U (en) | 2010-05-05 |
Family
ID=42553887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200472558U Expired - Fee Related CN201449167U (en) | 2009-07-13 | 2009-07-13 | Cooling tower for central air-conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449167U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364285A (en) * | 2011-10-27 | 2012-02-29 | 南京大洋冷却塔股份有限公司 | Quadrate crosswind outlet crossflow cooling tower |
| CN102410746A (en) * | 2011-10-27 | 2012-04-11 | 南京大洋冷却塔股份有限公司 | Square cross flow cooling tower with single-side air intake |
| CN102519298A (en) * | 2011-12-16 | 2012-06-27 | 平湖市三久塑料有限公司 | Packing for cooling tower |
-
2009
- 2009-07-13 CN CN2009200472558U patent/CN201449167U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364285A (en) * | 2011-10-27 | 2012-02-29 | 南京大洋冷却塔股份有限公司 | Quadrate crosswind outlet crossflow cooling tower |
| CN102410746A (en) * | 2011-10-27 | 2012-04-11 | 南京大洋冷却塔股份有限公司 | Square cross flow cooling tower with single-side air intake |
| CN102519298A (en) * | 2011-12-16 | 2012-06-27 | 平湖市三久塑料有限公司 | Packing for cooling tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20160713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |