CN101319852A - Full-counterflow enclosed cooling column with air intake at upper and lower part - Google Patents
Full-counterflow enclosed cooling column with air intake at upper and lower part Download PDFInfo
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- CN101319852A CN101319852A CNA2007100418169A CN200710041816A CN101319852A CN 101319852 A CN101319852 A CN 101319852A CN A2007100418169 A CNA2007100418169 A CN A2007100418169A CN 200710041816 A CN200710041816 A CN 200710041816A CN 101319852 A CN101319852 A CN 101319852A
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Abstract
The invention relates to complete countercurrent closed cooling tower with air inlets on an upper and a lower parts. A tube bundle is arranged on the upper part of the closed cooling tower, and fillers are arranged on the lower part. A fan is arranged on the top of the tower. A water collection disc is arranged on the bottom of the tower. The upper part of the tube bundle is provided with a water distributor. The water collection disc is connected with the water distributor by a pump. The upper and the lower parts of the two lateral sides of the cooling tower are separately provided with two air inlets-the upper air inlet and the lower air inlet. The other two lateral sides and a channel separator form an air exhaust channel. The air that enters into the cooling tower from the upper air inlet and flows downwards, after the air passes through the tube bundle, the air meets the air that enters into the cooling tower from the lower air inlet, flows upwards and passes through the fillers. The direction of the air is changed in the middle of the cooling tower. The air flows upwards through the air exhaust channel and is discharged from the top of the cooling tower. The air in the fillers flows along a reverse direction with the spray water which flows from top to bottom. The air in the tube buddle flows along a same direction with the spray water and flow along a reverse direction with the cooled fluid in the tube buddle. The countercurrent closed cooling tower can use pool typed water distribution system. The closed cooling tower can increase the flow area and the flow quantity of the air. The water distribution is uniform, and the effects of the heat transfer and mass transfer are improved.
Description
Technical field
The present invention relates to a kind of novel closed cooling tower, be specifically related to a kind of at cooling tower upper and lower part air intake, the mobile closed cooling tower of all realizing adverse current and can using pond formula water distribution system of fluid in tube bank and the filler in wind direction and the tower.
Background technology
Cooling tower mainly is directly to contact with shower water by air, finishes the equipment of exchange heat by the evaporative heat loss of shower water, is divided into open type cooling tower and closed cooling tower.For closed cooling tower, the fluid that is cooled flows in pipe, and shower water flows through the heat that the tube bank heat-transfer area is taken away tube fluid; Air contacts with shower water, takes away the heat of shower water by the shower water evaporation.Cooling tower divides crossing current tower and countercurrent tower again, and usually, crossing current tower air-flow direction is a horizontal direction, and the countercurrent tower air-flow direction is a vertical direction.Crossing current tower and countercurrent tower respectively have merits and demerits, and one of advantage of countercurrent tower is to participate in forming counter-current flow between the fluid of heat exchange, and bigger the heat and mass temperature difference or enthalpy difference can be arranged, and helps conducting heat.One of shortcoming of common countercurrent tower is that ventilation area is littler than the crossing current tower, thereby air mass flow is littler than the crossing current tower, is unfavorable for conducting heat.
For closed cooling tower, the form of crossing current tower is more, and the form of countercurrent tower is less.In present existing adverse current enclosed turriform formula, filler that has and tube bank interlaced arrangement, the filler that has is arranged apart with tube bank, but still there is the little shortcoming of above-mentioned ventilation area in great majority, in addition, the temperature difference of spray water and air, shower water and tube fluid is extremely inhomogeneous in flow process, has influenced heat transfer.At present existing indivedual enclosed towers flow through tube bank and filler respectively from the upper and lower air intake of tower, bigger ventilation area is arranged, but this tower packing partly are the crossing current forms, than a little less than the heat-transfer effect of adverse current form some.Disclosed full adverse current is arranged recently and also be the closed cooling tower patent application case of big ventilation area, but that is the middle part air intake, different with the structure of this cooling tower.
Summary of the invention
The objective of the invention is to disclose a kind of upper and lower part air intake all adverse current closed type cooling column, the ventilation area that overcomes existing adverse current closed type cooling column existence is little, shortcomings such as the temperature difference of spray water and air, shower water and tube fluid is extremely inhomogeneous in flow process, and heat transfer efficiency is low.
Technical thought of the present invention is: tube bank, lower disposed filler are arranged in the top at closed cooling tower, open air inlet and following air inlet respectively in the upper and lower of two sides of cooling tower, the air that enters from last air inlet is downward through tube bank, turn to the inflow air exhaust passage then, discharge from the cooling tower top; The air that enters from following air inlet upwards flows through filler, joins with the air of last air inlet at the middle part, flows into air exhaust passage then, discharges from the cooling tower top.In cooling tower, shower water flows from top to bottom, and the fluid that is cooled in the tube bank flows from bottom to top.Like this, in the tube bank air and shower water flow in the same way and with pipe in the be cooled counter-current flow that flows into of fluid, air becomes counter-current flow with shower water in the filler.This upper and lower part of the present invention air intake, the full counter-current flow mode of two-way flow up and down, can increase the circulation area and the air mass flow of air, increase between shower water and the fluid, the mean temperature difference or the enthalpy difference of the heat and mass between air and the shower water, thereby improve the heat and mass effect, reduce the tube bank area, reduce cost.In addition, injection well downhole flow regulator can be the tubular type water distribution system, also can be pond formula water distribution system or other water distribution system, and it is novel can adopting pond formula injection well downhole flow regulator as countercurrent tower, and particularly the water distribution of adverse current squarer is more even can to make countercurrent tower.
The upper and lower part air intake all adverse current closed type cooling column, be characterized in: air is to enter from the upper and lower of closed cooling tower respectively, divide two-way to flow through tube bank arranged apart and filler respectively downwards and upwards then, the water that injection well downhole flow regulator flows out flows from top to bottom, the tube bank inner fluid flows from bottom to top, in the tube bank air and shower water flow in the same way and with pipe in the be cooled counter-current flow that flows into of fluid, air becomes counter-current flow with shower water in the filler.
The upper and lower part air intake all adverse current closed type cooling column, it comprises: air outlet, blower fan, injection well downhole flow regulator, last air inlet, tube bank, channel partition, air exhaust passage, filler, following air inlet, water-collecting tray and water pump, blower fan are at the tower body top, and water-collecting tray is in the tower body bottom, and water-collecting tray is connected with injection well downhole flow regulator through water pump; Be characterized in: tube bank is arranged in the lower area that closed cooling tower upper area, filler are arranged in closed cooling tower, be furnished with injection well downhole flow regulator on the tube bank, on the injection well downhole flow regulator and the tube bank periphery be channel partition, have upper and lower two air inlets in the upper and lower, two sides of cooling tower; In addition two sides constitute air exhaust passage with channel partition, and air exhaust passage is communicated with the tower body central region at the lower position of channel partition, are used for discharge currents and cross and restrain and the air of filler.
Injection well downhole flow regulator can be the tubular type water distribution system, also can be pond formula water distribution system or other water distribution system.
The upper and lower part air intake that upper and lower part of the present invention air intake all adverse current closed type cooling column is taked, the method for air two-way flow, can increase the circulation area of air, increase between shower water and the fluid, the mean temperature difference or the enthalpy difference of the heat and mass between air and the shower water, thereby improve the heat and mass effect, reduce the tube bank area, reduce cost.In addition, present countercurrent tower all adopts the tubular type water distribution system, and water distribution is easy to generate inhomogeneous.Countercurrent tower disclosed by the invention can adopt pond formula water distribution system, can make even water distribution.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of upper and lower part air intake all adverse current closed type cooling column:
Fig. 2 is the right TV structure schematic diagram of upper and lower part air intake all adverse current closed type cooling column.
1. air outlet, 2. blower fan, 3. injection well downhole flow regulator is 4. gone up air inlet, 5. tube bank, 6. channel partition, 7. air exhaust passage, 8. filler 9. descends air inlet, 10. water-collecting tray, 11. water pumps.
The specific embodiment
The upper and lower part air intake all adverse current closed type cooling column, it comprises: air outlet 1, blower fan 2, injection well downhole flow regulator 3, last air inlet 4, tube bank 5, channel partition 6, air exhaust passage 7, filler 8, following air inlet 9, water-collecting tray 10, water pump 11; Tube bank 5 is arranged in the lower area that closed cooling tower upper area, filler 8 are arranged in cooling tower, and blower fan 2 is at the tower body top, and water-collecting tray 10 is furnished with injection well downhole flow regulator 3 in the tower body bottom on the tube bank, and water-collecting tray 10 is connected with injection well downhole flow regulator 3 through water pump 11; Have upper and lower two air inlets 4 and 9 in the upper and lower of two sides of cooling tower, do not drive in addition two sides and channel partition 6 formation air exhaust passages 7 in air port into, air exhaust passage is communicated with the tower body central region by the bottom of channel partition, be used for discharge currents and cross the air of tube bank and filler, air outlet is communicated with air exhaust passage 7.
By illustrated in figures 1 and 2, at tower body top layout blower fan 2, under the swabbing action of blower fan, air sucks from the last air inlet 4 of two sides of cooling tower and the position of following air inlet 9, the air that last air inlet enters enters the space between injection well downhole flow regulator 3 and the tube bank, is downward through the middle part of restraining tower then; The air that following air inlet enters upwards flows through filler from the filler bottom, after the middle part and the air of last air inlet of tower are joined, turns to flow into air exhaust passage 7, upwards flows from air exhaust passage again, discharges from cooling tower top outlet inlet 1; The water that injection well downhole flow regulator 3 flows out flows from top to bottom, flow through tube bank 5 and filler 8 to water-collecting tray 10, and water pump 11 is beaten to injection well downhole flow regulator 3 from water-collecting tray 10 suction circulated sprinkling water, injection well downhole flow regulator can be tubular type water distribution system, pond formula water distribution system or other water distribution system, makes water evenly spill to tube bank 5; In tube bank, tube fluid flows from bottom to top, and air and shower water form co-flow, forms reverse flow with tube fluid; Flowing through is downward through the filler cooling after water after the tube bank heats up, and falls into water-collecting tray 10 then, is squeezed into the top injection well downhole flow regulator by water pump 11 again, constitutes circulation.By designing appropriate filler and tube bank, air channel, air inlet structure, the air quantity of filler and tube bank is crossed in adjustable rectification.
Claims (2)
1. upper and lower part air intake all adverse current closed type cooling column, it is characterized in that: air enters from the upper and lower of closed cooling tower, flow through tube bank arranged apart and filler respectively downwards and upwards, the water that injection well downhole flow regulator flows out flows through tube bank and filler from top to bottom, the tube bank inner fluid flows from bottom to top, air and shower water reverse flow in the filler, in the tube bank air and shower water co-flow and with tube bank inner fluid reverse flow.
2. on according to claim 1, the bottom air intake all adverse current closed type cooling column, it comprises: air outlet, blower fan, injection well downhole flow regulator, last air inlet, tube bank, channel partition, air exhaust passage, filler, following air inlet, water-collecting tray and water pump, blower fan is at the tower body top, and water-collecting tray is in the tower body bottom, and water-collecting tray is connected with injection well downhole flow regulator through water pump, it is characterized in that: tube bank is arranged in the closed cooling tower upper area, filler is arranged in the lower area of closed cooling tower, be furnished with injection well downhole flow regulator on the tube bank, on the injection well downhole flow regulator and the tube bank periphery be channel partition, have in the upper and lower, two sides of cooling tower, following two air inlets; In addition two sides constitute air exhaust passage with channel partition, and air exhaust passage is communicated with the tower body central region at the lower position of channel partition, are used for discharge currents and cross and restrain and the air of filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100418169A CN101319852A (en) | 2007-06-08 | 2007-06-08 | Full-counterflow enclosed cooling column with air intake at upper and lower part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100418169A CN101319852A (en) | 2007-06-08 | 2007-06-08 | Full-counterflow enclosed cooling column with air intake at upper and lower part |
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| Publication Number | Publication Date |
|---|---|
| CN101319852A true CN101319852A (en) | 2008-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100418169A Pending CN101319852A (en) | 2007-06-08 | 2007-06-08 | Full-counterflow enclosed cooling column with air intake at upper and lower part |
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| CN (1) | CN101319852A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192663A (en) * | 2010-03-16 | 2011-09-21 | 于向阳 | Reverse flow heat mass exchanging device with rain-free region |
| CN102809306A (en) * | 2012-08-16 | 2012-12-05 | 上海廷亚冷却***有限公司 | Water-saving isenthalpic humidifying and temperature reducing closed cooling tower |
| RU2480699C2 (en) * | 2011-04-07 | 2013-04-27 | Федеральное государственное бюджетное учреждение науки Казанский научный центр Российской академии наук (КазНЦ РАН) | Heat and mass exchange equipment with combined scheme of interaction of gas and liquid flows |
-
2007
- 2007-06-08 CN CNA2007100418169A patent/CN101319852A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192663A (en) * | 2010-03-16 | 2011-09-21 | 于向阳 | Reverse flow heat mass exchanging device with rain-free region |
| CN102192663B (en) * | 2010-03-16 | 2013-07-24 | 于向阳 | Reverse flow heat mass exchanging device with rain-free region |
| RU2480699C2 (en) * | 2011-04-07 | 2013-04-27 | Федеральное государственное бюджетное учреждение науки Казанский научный центр Российской академии наук (КазНЦ РАН) | Heat and mass exchange equipment with combined scheme of interaction of gas and liquid flows |
| CN102809306A (en) * | 2012-08-16 | 2012-12-05 | 上海廷亚冷却***有限公司 | Water-saving isenthalpic humidifying and temperature reducing closed cooling tower |
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| C06 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20081210 |