CN203824368U - Natural convection cooling tower-shaped air cooling system - Google Patents
Natural convection cooling tower-shaped air cooling system Download PDFInfo
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- CN203824368U CN203824368U CN201420191777.6U CN201420191777U CN203824368U CN 203824368 U CN203824368 U CN 203824368U CN 201420191777 U CN201420191777 U CN 201420191777U CN 203824368 U CN203824368 U CN 203824368U
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- free convection
- tower body
- cooling system
- air cooling
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Abstract
The utility model provides a natural convection cooling tower-shaped air cooling system. The air cooling system comprises a natural convection cooling tower body; a plurality groups of heat exchangers and supporting structures are arranged in the tower body; each heat exchanger comprises a plurality of communicated pipe bundle boxes which are a plurality groups of finned pipe-shaped pipe bundles; each pipe bundle comprises a pipy finned pipe; a rolled spiral fin is compounded on the outer lateral wall of the finned pipe; the input interface of the communicated pipe bundle boxes is communicate with the intake pipeline of the tower body; the water outlet is communicated with the water outlet pipe port of the tower body. The air cooling system has the benefits that air generates convection effect at the interior and the exterior of the natural convection cooling tower; the air in the tower conducts heat exchange through surfaces of the metallic compound rolled spiral fins; heat exchange efficiency is improved by adopting natural convection air heat exchange; meanwhile, waste of energy and water resource is reduced.
Description
Technical field
The utility model relates to technical field of heat exchange, refers more particularly to the cooling tower air cooling system of a kind of free convection.
Background technology
In the natural environment of human society production and life, power conversion mode is removed wind energy and water can be directly with the form of mechanical energy, directly to utilize conversion, the energy obtaining by this way accounts for whole human society to an energy requirement part seldom, and most 95% energy acquisitions are power conversion that fossil energy is carried out in the mode of " heat engine ", the power conversion of this mode just needs " heat exchange ".From industrialization, start to nowadays, " heat exchange " theoretical value efficiency is 50-60%, and practical application " heat exchange " efficiency is very low, fire coal, fuel oil and gas fired-boiler energy conversion efficiency are 2-7%, internal combustion engine energy conversion efficiency 10-15%, electric power energy conversion efficiency 25-30%, the result that energy conversion efficiency is low is that the energy and the wasting of resources are very serious.
Utility model content
The purpose of this utility model is to provide the cooling tower air cooling system of a kind of free convection, to solve the above-mentioned deficiency of prior art.
The purpose of this utility model is to be achieved through the following technical solutions:
The utility model provides a kind of free convection cooling tower air cooling system, and this system comprises free convection tower body, in described free convection tower body, is provided with multi-group heat exchanger and supporting mechanism, and described multi-group heat exchanger comprises the tube bank case of a plurality of connections; Wherein, each tube bank case be the tube banks of many group fin tubuloses, and fin tubulose is restrained and comprised and on the lateral wall of tubulose finned tube, be compounded with rolling radiating fin by tubulose finned tube; The input interface of the tube bank case of a plurality of connections is communicated with the inlet channel of free convection tower body, and delivery port is communicated with the effluent pipe mouth of free convection tower body.
Preferably, also comprise the bracing frame that is arranged on heat exchanger in described free convection tower body.
Preferably, also comprise and being arranged in described free convection tower body for supporting the pillar of the heat exchanger of described a plurality of connections.
Preferably, described radiating fin is spiral heat dissipation fin.
Preferably, between described tube bank case, pass through union and flange UNICOM.
Preferably, described radiating fin appearance forms large-area radiating surface.
Preferably, also comprise the condenser that steam generator, steam turbine are communicated with described steam turbine, the heat exchanger tube of described condenser is communicated with and carries out heat exchange with free convection tower body.
The beneficial effects of the utility model are: air forms convection effect inside and outside free convection cooling tower, in tower, air carries out heat exchange by metal composite rolling helical fin surface, adopt free convection air heat-exchange to strengthen heat exchange efficiency, reduced the waste of the energy and water resource simultaneously.
Accompanying drawing explanation
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the structural representation of the free convection cooling tower described in the utility model embodiment;
Fig. 2 is the schematic diagram of the cooling tower air cooling system of the free convection described in the utility model embodiment;
Fig. 3 is the structural representation of the fin tubulose tube bank described in the utility model embodiment.
In figure:
1, supporting mechanism; 2, free convection tower body; 3, bracing frame; 4, pillar; 5, tube bank case; 6, connect water tank; 7, inlet channel; 8, spray cleaning system; 9, the pump that condenses; 10, boiler group; 11, steam turbine; 12, condenser; 13, circulating pump; 14, tubulose finned tube; 15, radiating fin.
The specific embodiment
As shown in Figure 1, the cooling tower air cooling system of a kind of free convection described in the utility model embodiment, this system comprises free convection tower body 2, and at interior multi-group heat exchanger and the supporting mechanism 1 of arranging of described free convection tower body 2, described multi-group heat exchanger comprises the tube bank case 5 of a plurality of connections; Wherein, each tube bank case 5 be the tube banks of many group fin tubuloses, and fin tubulose is restrained and comprised and on the lateral wall of tubulose finned tube, be compounded with rolling radiating fin by tubulose finned tube; The input interface of the tube bank case 5 of a plurality of connections is communicated with the inlet channel 7 of free convection tower body 2, and delivery port is communicated with the effluent pipe mouth of free convection tower body 2.
Preferably, the cooling tower air cooling system of this free convection also comprises the bracing frame 3 that is arranged on described free convection tower body 2 belows, and be arranged in described free convection tower body 2 for supporting the pillar 4 of the tube bank case 5 of described a plurality of connections, this pillar 4 is connected with bracing frame 3, and bracing frame 3 supports above-mentioned water tank group.
Concrete, described radiating fin is spiral heat dissipation fin, for heat radiation, between described tube bank case 5, by connecting water tank 6, is communicated with.
The cooling tower that the present embodiment provides has reduced the waste of the energy by air heat-exchange, by adopting fin to carry out heat exchange, increased heat exchange efficiency simultaneously.Concrete:
On the inlet channel 7 of each free convection tower body 2 and outlet pipe, stop valve and discharging valve are set.When certain free convection tower body 2 needs out of service or stoppage in transit maintenance, can cut off this section of inlet/outlet valve, open discharging valve, the water of cooling tower is put into underground water storage tank, and do not affect the normal operation of other cooling section.
Recirculated water Inlet and outlet water house steward free convection tower body 2 subsurfaces that are radially laid in, every section of Inlet and outlet water vertical tube is connected with house steward respectively.On vertical tube, to platform, change into horizontal annular arm and be connected with each cooling triangle water inlet pipe and water outlet pipe.It is indoor that each section of inlet/outlet valve and discharging valve are arranged in ground valve.At outfall sewer two ends, higher than cooling triangle top, respectively establish an expansion tank, in order to the system volume that regulates circulating water temperature to change to cause, change and the use of micro-moisturizing.
At the underground storage cistern that arranges of free convection tower body 2, with circulating cooling buffering and the cooling section antifreeze and emptying water storage of maintenance stoppage in transit of stopping transport in winter.Between water storage tank, establishing between a underground type pump working, inside establishing charging pump, small pump, underground water storage tank Level monitor etc.
Spray cleaning system 8: the operation of heat transmission equipment group, after several years, for preventing that heat transmission equipment group surface dirt from affecting heat exchange efficiency, arranges spray cleaning system 8 in cooling tower, and spray cleaning system 8 is divided into Multi-layer sprinkling and cleans loop.Filling spray cleaning system 8 is comprised of compression pump, cleaning liquid bath, pressure-regulating valve, spray head and pipe-line system.
Triangle heat transmission equipment group almost horizontal in free convection tower body 2 is arranged, supports the architecture arrangement of heat transmission equipment group and arranges pillar 4 along the heat transmission equipment installation direction of tower, and all pillars 4 are one-mast support.In order to reduce the computational length of pillar 4 and to increase its stability, can be by pillar 4 tops and tower shell drawknot; Pillar 4 is equipped with roof beam structure along hoop, makes pillar 4 in tower, form star dress and distributes, and radially with cooling triangle, be connected, and so just forms space-load member structure.
Air cooling heat transmission equipment is selected and is carried fluid to close and form with the tube bank case 5 of stainless-steel seamless pipe composite helical fin with seamless steel pipe and fluid conveying, and each is restrained case 5 and is staggered in arrangement, double-flow two comb layout patterns, each flow process one comb.By some radiating fins and tubulose finned tube, form a fin tubulose and restrain, two ends are established and are connected water tank, and as shown in Figure 3, wherein, described radiating fin appearance forms large-area radiating surface.The tube bank of fin tubulose is long to be set according to actual needs, and two tube bank casees form the two sides of a cooling triangle with approximately 60 ° of angles, and another side arranges the shutter that regulates intake.Fin is wherein the desirable 65-85 millimeter of metal composite helical fin pipe diameter, a fin pitch of fins (comprising in combinational gap 2-8 millimeter), the desirable 6 meters-∞ of pipe range (according to length of material), internal lining pipe and aluminum pipe should have 15-30 millimeter (left and right two ends respectively reserve 10 millimeters, 15 millimeters) per-interface space.Its aluminum pipe internal diameter should coordinate with liner circular hole external diameter, leaves the fit tolerance of 0.3 millimeter, and the expand tube amount of the rolling general control of metal composite helical fin pipe is within the scope of 0.15-0.3 millimeter, so that both contact closely, guarantees that heat transfer coefficient is good.
Above metal composite helical fin pipe characteristic is with rational heat transfer temperature difference (optimal values needs further investigation).Equidistantly helical fin fully meets the requirement of augmentation of heat transfer, guarantees that thermal current is unimpeded and resistance to heat is minimum.
As shown in Figure 2, the cooling tower air cooling system of free convection of the utility model embodiment also comprises boiler group 10, be arranged on the steam turbine 11 on described boiler group 10 outlet conduits, with the condenser 12 that described steam turbine 11 is communicated with, the heat exchanger tube of described condenser 12 is communicated with the free convection tower body 2 described in above-mentioned any one.
Cycle fluid enters the water side of surface-type condensing equipment by board-like or fin tube type surface heat exchanging, exchange cooling steam turbine enters the exhaust steam of the vapour side of condensing equipment, cycle fluid after being heated is delivered to air cooling compressor by water circulating pump, by air cooling heat exchange group and air, carry out surface heat exchanging, after cycle fluid is cooling by air, return to again condenser 12 and remove cooling steam turbine 11, formed thus sealing and circulating air cooling system.In order to facilitate the efficiency of heat exchange, on the connecting line of condenser 12 and cooling tower, be provided with circulating pump 13, accelerate the flowing velocity of gas.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection domain of the present utility model.
Claims (7)
1. the cooling tower air cooling system of free convection, is characterized in that: this system comprises free convection tower body, in described free convection tower body, is provided with multi-group heat exchanger and supporting mechanism, and described multi-group heat exchanger comprises the tube bank case of a plurality of connections; Wherein, each tube bank case be the tube banks of many group fin tubuloses, and fin tubulose is restrained and comprised and on the lateral wall of tubulose finned tube, be compounded with rolling radiating fin by tubulose finned tube; The input interface of the tube bank case of a plurality of connections is communicated with the inlet channel of free convection tower body, and delivery port is communicated with the effluent pipe mouth of free convection tower body.
2. the cooling tower air cooling system of free convection according to claim 1, is characterized in that, also comprises the bracing frame that is arranged on heat exchanger in described free convection tower body.
3. the cooling tower air cooling system of free convection according to claim 1, is characterized in that, also comprises and being arranged in described free convection tower body for supporting the pillar of the heat exchanger of described a plurality of connections.
4. the cooling tower air cooling system of free convection according to claim 1, is characterized in that, described radiating fin is spiral heat dissipation fin.
5. the cooling tower air cooling system of free convection according to claim 1, is characterized in that, passes through union and flange UNICOM between described tube bank case.
6. the cooling tower air cooling system of free convection according to claim 1, is characterized in that, described radiating fin appearance forms large-area radiating surface.
7. the cooling tower air cooling system of free convection according to claim 1, is characterized in that, also comprises the condenser that steam generator, steam turbine are communicated with described steam turbine, and the heat exchanger tube of described condenser is communicated with free convection tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420191777.6U CN203824368U (en) | 2014-04-21 | 2014-04-21 | Natural convection cooling tower-shaped air cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420191777.6U CN203824368U (en) | 2014-04-21 | 2014-04-21 | Natural convection cooling tower-shaped air cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824368U true CN203824368U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420191777.6U Expired - Fee Related CN203824368U (en) | 2014-04-21 | 2014-04-21 | Natural convection cooling tower-shaped air cooling system |
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| CN (1) | CN203824368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021060A (en) * | 2014-04-21 | 2015-11-04 | 北京宇环通高科技有限公司 | Natural convection cooling tower type air cooling system |
-
2014
- 2014-04-21 CN CN201420191777.6U patent/CN203824368U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021060A (en) * | 2014-04-21 | 2015-11-04 | 北京宇环通高科技有限公司 | Natural convection cooling tower type air cooling system |
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| Date | Code | Title | Description |
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| 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: 20140910 Termination date: 20210421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |