CN2259604Y

CN2259604Y - Vertical fluid dynamic cooling tower

Info

Publication number: CN2259604Y
Application number: CN 95238193
Authority: CN
Inventors: 陈家贤; 朱蒋来
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-12-08
Filing date: 1995-12-08
Publication date: 1997-08-13
Anticipated expiration: 2005-12-08

Abstract

The utility model relates to a vertical fluid dynamic cooling tower. The vertical fluid dynamic cooling tower is characterized in that hot liquid (40) pumped by a pump is ejected upward to a diffuser (30) on the upper part of a tower body (1) via an upward radial opening of a horizontal jet flow tube (20) in the tower body (1), and then forms a continuous and dispersive water curtain; hot water drops which move upward in the diffuser (30) and external cooling air (43) sucked from the lower side of the tower body (1) are done liquid-gas state mixing and heat exchange; hot air upward passes through a dehydrator (18) on the upper end of the tower body (1), and then is directly exhausted; cooled liquid is separated by the dehydrator (18), and then falls into the diffuser (30) to freely fall down; during the time, the cooled liquid and cooling air contact continuously; the cooled liquid enters a heat exchanger (15) arranged on the lower part of the tower body (1) to do secondary heat exchanger, and then falls into at the bottom of the tower body (1) to be silenced by a silencing felt (51) and be filtered to flow into a catch tray (50); cooling liquid is pumped out by the pump, and then is used for doing cooling circulation. The utility model can not use an electric fan, a motor, a speed variator, etc. Thus, the vertical fluid dynamic cooling tower can reduce cost, relieves noise, and has good cooling performance.

Description

Vertical current force cooling tower

The utility model relates to a kind of cooling tower of exempting from motor fan, is meant a kind of square or circular vertical current force cooling tower especially.

The applicant once applied for a kind of horizontal jet flow cooling tower, offered slit shape radial opening on straight tube, and the aperture of opening can be adjusted; The pressure fluid that will heat is introduced in the straight tube, and by this slit shape radial opening level ejection, the fluid of ejection becomes continuous water curtain shape high-velocity fluid to enter in the diffuser; Cause suction function at the continuous tentiform high-velocity fluid of diffuser front end, can suck extraneous cooling air in a large number, current and air-flow are fully mixed in diffuser and be in contact with one another, carry out heat exchange; The deflecting plate of diffuser tail end turns to the fluid-mixing of level up, and the hot-air after dehydrater separates is discharged fast, and liquid then falls to catch tray downwards, by a pump cold liquid is pumped with the circulation cooling.The structure of this horizontal, institute takes up space bigger, and the effect of the liquid heat-exchange of level ejection is not fine, and is the mode of once cooling off, and the floss hole of hot-air is less, and emission effect is poor, delays to cool off the importing of air relatively.

The purpose of the utility model is to provide a kind of cooling fan of exempting to use, and cooperates diffuser to suck the three-dimensional cooling tower that extraneous cooling air carries out the secondary heat exchange with the energy of flow.

The technical solution of the utility model is: establish an air discharge ports on the tower body top, the all sides in below are cool air inlet, be provided with the guide vane of several pieces oblique installations in this inlet, place in the middle of jet pipe is horizontally placed in the tower body, radially upper flange is established in the upper surface, spaced apart several openings that is provided with on it, each opening is set a V-type nozzle, and jet pipe radially lower surface is established flange under the reinforcement jet pipe intensity, diffuser places the jet pipe top, its structure is that hypomere is a convergent portion, and the stage casing is a throat, and epimere is wealthy portion gradually, hot liquid carries out heat exchange by nozzle through the ejection of diffuser throat, before dehydrater placed air discharge ports, the dioptric type passage was made in inside, and radiator places the jet pipe below, the air intake top, can carry out the secondary heat exchange to hot liquid, catch tray places place, tower body bottom surface, divides into the noise reduction felt of the cold drop underwater sound of an elimination.The utility model also can adopt the parallel form combination of a plurality of cooling towers.

In order further to understand the feature and the technology contents of the utility model, please consult following detailed description and accompanying drawing in detail about the utility model:

Fig. 1 faces fragmentary cross-sectional view for the rectangular build of the utility model;

Fig. 2 is the rectangular build side view of the utility model;

Fig. 2 A is the jet pipe part side view in the rectangular build of the utility model;

Fig. 3 is the cylinder type figure of the utility model;

Fig. 3 A is the cylinder type cutaway view of the utility model;

Fig. 4 is the jet pipe part top view in the utility model;

Fig. 5 is the A-A cutaway view of the utility model Fig. 4;

Fig. 6 faces fragmentary cross-sectional view for the utility model parallel combination structure.

See also Fig. 1 and Fig. 2, be 10 liang of cavity structures of the vertical rectangular build fluid cooling tower of the utility model, below illustrate with single chamber, hot liquid 40 is led through horizontal jet pipe 20 by the liquid inlet 11 at place in the middle of tower body one side, hot liquid 40 is upwards sprayed with continuous tentiform high-velocity fluid 41, make fluid 41 spray into diffuser 30 throats top, cause diffuser 30 throats below negative pressure, boundary's cooling air 43 forms on the air flow and flows outside sucking in a large number by tower body 1 below air intake 13, make the air stream of co-flow in diffuser 30, do the mixing of liquid gaseous state with fluid 41 and contact, carry out heat exchange.Hot-air 45 upwards through dehydrater 18 do liquid gas separate dewater after, hot-air 45 is discharged fast by cat head air discharge ports 19; The cooling liquid 42 of separation falls, cooling liquid 42 constantly carries out the cooling once more of heat exchange with the cooling air 43 that flows in the way that descends, up to leaving diffuser 30, entering radiator 15 again carries out falling after the secondary heat radiation, cooling liquid is after noise reduction felt 51 is eliminated the underwater sound and filtering foreign material, flow into tower body bottom surface catch tray 50, utilize a pump to extract cycle applications out again by liquid outlet 12.

Cooling tower 10 has a tower body 1, the structure of making by non-corrosive recyclable plastic materials or galvanized steel plain sheet, tower body 1 is except that the cooling air intake 13 of all sides of exhaust of hot air mouth 19 and nearly lower end of cat head, it is water-tight and tool watertightness effect, air intake 13 is made up of the louvered blade usually, utilize oblique interior downward blade 14 to form wind deflectors and import cooling air 43, also can prevent that foreign matter from entering.Be provided with a radiator 15 above in the air intake 13 of tower body 1, the radiative material for the device sheet has the effect of secondary heat radiation.

On radiator 15, be equipped with diffuser 30, and its intersection is provided with a jet pipe 20, jet pipe 20 radially on the appearance end face be provided with roomy on flange 21 (as Fig. 5), at upper flange 21 spaced apart several openings 22 (as Fig. 4) that are provided with, be equipped with a V-arrangement nozzle 23 (as Fig. 5) in each opening 22, the hot liquid 40 of inflow only can be sprayed by each nozzle 23; Jet pipe 20 1 ends are openend 24, urgently are pressed into (as Fig. 2 A) in the flange 25, and utilize several screws flange 25 to be fixed on the sidewall of tower body 1, can utilize flange 25 to external catheter to introduce hot liquid; Jet pipe 20 other ends are closed end 26, utilize a blocking 27 interference fit, blocking 27 passes the subtend sidewall with the projection 27 (1) of centre, outer face, screw on 27 (1) with a nut 28 again, earlier jet pipe 20 1 ends with after flange 25 engages, jet pipe 20 is inserted in the tower body 1, make jet pipe 20 other ends again and engage; Jet pipe 20 radially under the appearance end face be provided with lower flange 29, to strengthen jet pipe 20 intensity own.

Diffuser 30 comprises gradually narrowing portion 31 and the throat 32 in stage casing and gradually wealthy 33 of epimere of hypomere, high-velocity fluid 41 in throat 32, because of fluid pressure being transformed into the motion energy through jet flow mouth 21, pressure drop makes diffuser 30 hypomeres form negative pressuren zone, cools off air 43 to external world and forms the powerful introducing of spraying; Drop at stage casing throat 32 cooling air 43 and high-velocity fluid 41 is in contact with one another, and causes the liquid gaseous state to mix; And at the fluid-mixing of gradually wealthy 33 cooling of epimere air 43 with vaporific drop formation liquid gaseous state, its motion can be cumulative because of sectional area, becomes the pressure energy gradually, therefore has very high mixing cooling effect, and fluid-mixing had boosting, improve the discharge pressure of hot-air 45 simultaneously.Use natural phenomenas such as hot-air nature rising principle and the mobile generation of fluid boosting fully, reach the function of the utility model, do not need as the known mechanical organs such as air exhauster and motor that are provided with.

Hot-air 45 in this mixed liquor gaseous fluid is through in the dehydrater 18 on tower body 1 top in air after the contained fluid separation applications, directly discharge fast again by air discharge ports 19, dehydrater 18 is made up of the plate of tool tortuous passageway, and the loss of dispersing of liquid with hot-air 45 discharges is reduced to below 0.1%; Cold liquid 42 in other mixing material is an arrow at the end of its flight--a spent force, also being subjected to dehydrater 18 separates and falls naturally, after cooling off once more in the way and with the cooling air 43 of continuous inflow, leave diffuser 30, fall into the heat radiation that radiator 15 and radiative material carry out the secondary cooling, the cooling fluid that produces cooling effect flows in the catch tray 50 of tower body 1 bottom surface.

Fig. 3 is the vertical type cylinder build fluid cooling tower structure of the utility model.Cooling tower 60 is the single-chamber type structure, most of main member is all identical with rectangular build, just tower body 60, jet pipe 63, diffuser 61 are circular, wherein jet pipe 63 is a ring-type, water inlet end is through inserting in the tower with straight sections earlier behind the flange, be formed centrally a loop portions with tower again, the set-up mode of nozzle is same as described above, have only diffuser 61 to make setting into as the neck shape by parallel set-up mode, the ejection of liquid, the drainage of gas, process is identical, and diffuser wherein is fixed in face within the tower body for the mode of utilizing spot welding mode or interlocking.

As Fig. 6 is a kind of large-scale parallel cooling tower structure.Cooling tower 70 is formed in parallel by several cooling chambers (single group of aforementioned cooling tower) 10.Each cooling chamber 10 inside all has jet pipe 20, diffuser 30, dehydrater 18, radiator 15, air intake 13 and air discharge ports 19, and fluid circulation system includes feed liquor house steward 74, liquid header 76, noise reduction felt 71, catch tray 77.This feed liquor house steward 74 delivered to hot liquid in 40 minutes in each jet pipe 20; Hot-air 45 after the heat exchange enters mouthful 19 discharges fast by each air, and cold liquid 42 collection are gone in the catch tray 77, are extracted out for industrial application through liquid header 76 by large-scale circulating pump.So the utility model can one is used separately, a plurality ofly to use respectively, a plurality of common uses more can cooperate present various cooling tower to use.Also can utilize the utility model in environment humidification or heat.

Below enumerate the utility model empirical average data, with 30 cooling ton types (person as shown in Figure 1), 390 liters of discharge per minutes, send into 37 ℃ liquid under 1 kilogram every square centimeter of the pressure, suck the air cooling of 25.7 ℃ of ambient temperatures, send 32 ℃ liquid, the hot blast of discharge is 35.4 ℃, it is 3.7 meters of per seconds that the air discharge ports central point is on average sent wind speed, sending wind speed all around is per second 2.5～3.2, average discharge wind speed is 2.86 meters of per seconds, total exhaust air rate is 247 cubic metres of per minutes, more known 200 cubic metres, exceed about 20%, the utility model two cavate tower bodies are wide 120 centimeters, long 120 centimeters, high 267 centimeters, one meter value of week side is less than 60dba, Ma Li company (NARLEY) with the U.S., Japan crust and Supreme Being (the Ba1timore aircoin company that rubs, Inc.) and cooling tower giant manufacturer's such as Japanese NIHON SPINOLE present product compare, cooling performance is not a halfpenny the worse, the utility model exempts to use fan, motor, elements such as speed changer, can reduce cost, exempt its noise, and tower body is shared, and that surface area is set is less, generation the cooling effect but mistake and do not have too late, and do not have maintenance problem, only need use 1 kilogram every square centimeter pressure to do the jet flow head, running expense is more known cheap.So the vertical jet flow fluid cooling tower that the utility model provided, its cooling effectiveness are higher than known pressure induced-draught cooling tower and horizontal jet flow fluid cooling tower, be a quite good design.

Claims

1, a kind of vertical current force cooling tower, it is characterized in that: air discharge ports (19) is established on tower body (1) top, the all sides in below are cooling air (43) inlet (13), jet pipe (20) is located in the middle of being horizontally placed on tower body (1), radially upper flange (21) is established in the upper surface, spaced apart several openings (22) that are provided with on it, each opening is set a V-type nozzle (23), jet pipe (20) radially lower surface is set flange (29), diffuser (30) is arranged on sparge pipe (20) top, its hypomere is that to be throat (32) epimere be gradually wealthy (33) in convergent portion (31) stage casing, it is preceding that dehydrater (18) is located at air discharge ports (19), and inside is the dioptric type passage, and radiator (15) places jet pipe (20) below, the place, bottom surface that catch tray (50) places tower body (1) divides into a noise reduction felt (71).

2, vertical current force cooling tower according to claim 1 is characterized in that tower body (1) is rectangular build.

3, vertical current force cooling tower according to claim 1 is characterized in that tower body (1) is a cylinder type.

4, vertical current force cooling tower according to claim 1 is characterized in that establishing in its air intake (13) guide vane (14) of several pieces oblique installations.

5, vertical current force cooling tower according to claim 2 is characterized in that jet pipe (20) is a straight tube, and an end is affixed with flange (25) and tower body (1), and the other end is fixed in tower body (1) offside with blocking (27).

6, vertical current force cooling tower according to claim 3 is characterized in that jet pipe (63) is a loop pipe, and the straight tube that joins with it (62) is fixed on the tower body (60) by flange (25).

7,, it is characterized in that available two above cooling towers are formed in parallel according to claim 2,3 described vertical current force cooling towers.