US3667864A - Air- or gas-moving equipment for use with heat exchange and/or gasscrubbing apparatus - Google Patents

Air- or gas-moving equipment for use with heat exchange and/or gasscrubbing apparatus Download PDF

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Publication number
US3667864A
US3667864A US35357A US3667864DA US3667864A US 3667864 A US3667864 A US 3667864A US 35357 A US35357 A US 35357A US 3667864D A US3667864D A US 3667864DA US 3667864 A US3667864 A US 3667864A
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Prior art keywords
sets
units
gas
series
fluid supply
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Expired - Lifetime
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US35357A
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English (en)
Inventor
Edmund Murphy
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COOLING DEV Ltd
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COOLING DEV Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/04—Units comprising pumps and their driving means the pump being fluid-driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/08—Adaptations for driving, or combinations with, pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
    • F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium

Definitions

  • Airor gas-moving equipment for a heat exchange or gas-scrubbing apparatus comprises a plurality of airor gas-moving units, each comprising a fluid operated turbine and a fan coupled to, so as to be driven by, the turbine, the turbines being connected in series for operation by a common operating fluid supply.
  • the equipment may comprise a number of independent sets of series-connected units, the sets either being connectible in series to a common operating lfluid supply, or each set connectible independently to a common operating fluid supply or each set connectible to a separate independent supply or two or more sets may be series-connected to one fluid supply and another set or sets to another fluid supply.
  • This invention relates to improvements in and relating to airor gas-moving equipment for use with heat exchange and/ or gas-scrubbing apparatus.
  • the principal object of this invention is to provide airor gas-moving equipment of the above kind, the operation of which enables the maximum use to be made of the fluid power available for drying the turbine.
  • Another object of the invention is to provide airor gas-moving equipment of the above kind, which allows effective temperature control in heat exchange or gasscrubbing apparatus to be readily obtained.
  • a further object of the invention is to provide airor gas-moving equipment for heat exchange or gas-scrubbing apparatus, the operation of which may be regulated, as required, to suit particular conditions prevailing in the apparatus.
  • Another object of the invention is to provide in or for a heat-exchange or gas-scrubbing apparatus airor gasmoving equipment, which is of a simple and cheap construction.
  • airor gas-moving equipment comprising a plurality of turbine-driven fan units operatively connected in series.
  • FIG. 1 is a perspective view of a heat exchange apparatus having airor gas-moving equipment embodying the invention
  • FIG. 2 is a sectional side view of the apparatus shown in FIG. 1, taken on the line 2-2 of FIG. 1,
  • FIG. 3 is a diagrammatic plan illustrating one mode of interconnection of the sets of units shown in 'FIG. 1 to provide three sets of three units connected in series to a single source of operating fluid supply,
  • FIG. 4 is a similar plan view to (FIG. 3, but illustrating a modified mode of interconnection employing two separate fluid supply systems and
  • FIG. 5 is a similar view of a further modified mode of operation in accordance with the invention.
  • airor gas-moving equipment in accordance with the invention, comprises a plurality of independent sets of series-connected units, the sets either being connectible in series to a common operating fluid supply or each set being connectible independently to a common operating fluid supply, or each set being connectible to a separate independent operating fluid supply, or two or more sets may be series-arranged for connection to one fluid supply and another set or sets connectible to another fluid supply, suitable means being provided for selectively manually connecting said sets as required.
  • three or more independent sets of seriesconnected airor gas-moving units may be provided, one of which sets is.connectible to an operating fluid supply and each of the other sets is independently in direct series connection with said first mentioned set.
  • the turbine-fan units may advantageously be made from non-corrodible plastics materials preferably by the use of injection moulding procedures.
  • Heat exchange apparatus to which the invention may be applied may be of the indirect fluid contact type, such, for example, as a plain tube or finned tube exchanger, or of the direct fluid contact type, such, for example, as a Water cooling tower.
  • a heat exchanger or water cooling tower may be provided with a number of, say six, turbine-operated fan units arranged in two rows of three series-conected units, having a fluid supply inlet adjacent an end unit of one row and an outlet adjacent the corresponding end unit of the other row, the opposed units at the opposite ends of the two rows being in series communication with one another by 3 a detachable connecting pipe connecting the outlet of one of said units to the inlet of the other of said units.
  • the turbines may be operated as a single series-connected set of six turbines supplied with fluid from a single inlet, or, by detaching the aforesaid connecting pipe and utilising the former outlet as a second inlet, two separate fluid supply paths may be provided, each consisting of three series connected turbine-fan units.
  • any desired number of series-connected sets of units may be provided, and any suitable mode of interconnecting said sets may be adopted as desired.
  • 1 denotes a tubular heat exchange apparatus having an inlet 2 and an outlet 3 for the fluid to be passed therethrough.
  • an air-moving equipment generally indicated by the numeral 4 and comprising a casing 5 in which are mounted three sets 6, 7 and 3 of air-moving units, each set comprising three seriesconected air-moving units 6a, 7a and 8a respectively.
  • Each unit is located in an air duct 9 formed in an inclined face 10 of the corrugated-like upper surface of the casing 5 so as to lie at an oblique angle to the horizontal plane of the heat exchanger 1.
  • each unit 6a of the three unit set 6 comprises a fan 11 coupled by a shaft 12 to a water turbine 13, the three units being mounted at spaced intervals within obliquely arranged housings 14 arranged at spaced positions along, and communicating with the interior of, a water supply pipe 15, having an inlet 16, for conection to a source of water supply, and an outlet 17.
  • a water supply pipe 15 having an inlet 16, for conection to a source of water supply, and an outlet 17.
  • housings 14 have been shown as being formed integrally with a continuous pipe 15, it will be appreciated that, in practice, it will be preferable to form the pipe system in sections coupled together by successive independent unit housings 14, whereby the total length of the pipe 15 and the number of units 6:: arranged in series may be adapted to particular require ments.
  • the arrows A, A indicate the direction of flow of the operating fluid, in this instance water
  • the arrows B, B denote the direction of flow of the air induced by rotation of the fans 11. If desired, of course, the direction of flow may in each case be reversed.
  • 16a and 16b indicate the inlets to the pipes, not shown, serving the unit-series 7a and 8a.
  • the sets of series-connected units such as the sets 6, 7 and 8 may be operated independently or may be interconnected in any desired marmer depending on the dimensions of the heat exchanger with which the air-moving equipment is to be used and also on the cooling requirements in the, or in any particular portion of the, heat exchanger.
  • FIG. 3 shows the equipment of FIG. 1 comprising the three sets 6, 7 and 8, each of three units 6a, 7a and 8a connected together in series to form a single continuous flow path 18 for the operating water. This has been achieved by connecting together the outlets 17a, 17b of the sets 7 and 8 by a short pipe indicated at 19 and connecting the inlets 16, 16a of the sets 6 and 7 by a short pipe indicated at 20.
  • the operating water thus enters under pressure via the inlet 16b of set 8, passes successively through each each set 8, 7 and 6 to drive the turbine 13 of each unit and is exhausted through the outlet 17 of sets 6, whereby sub stantially all the available pressure of the water may be used to drive the turbines.
  • FIG. 4 there are shown four sets 21, 22, 23 and 24, each consisting of three series-connected air-moving-units 21a, 22a, 23a and 24a respectively.
  • two separate sources of operating water supply are provided, one supply serving the sets 21 and 22, and the other serving the sets 23 and 24, thesets 21 and 22 being connected together by a short pipe 25 and the sets 23 and 24 being likewise connected together by a pipe 26.
  • the arrows 27, 28 and 29, 30 show the direction of flow of the operating Water through the units.
  • FIG. 5 shows a further possible arrangement comprising three sets 31, 32 and 33, each comprising four seriesconnected units, 31a, 32a and 33a respectively.
  • the series-connected units 31a of the set 31 are connected to one source of water supply and the units 33a of the sets 33 are connected to another water supply.
  • the two sets 32 and 33 are interconnected by a branch pipe, indicated by the numeral 34, located in the pipes 35 and 36 connecting respectively the two intermediate units 320: and 33a of each set to allow part of the water flowing into and through the set 33, after passing through two units 33a, to branch into the set 32 and to flow in both directions through the set 32, part of this water thus flowing through two of the units 32a in the direction of the arrow 37 and part through the other two units 32a of this set in the direction of the arrow 38, whilst at the same time the remainder of this water supply flows through the two further units 3341 of sets 33, as indicated by the arrow 39.
  • a branch pipe indicated by the numeral 34
  • airor gas-moving equipmentembodyin-g the invention when used in heat exchange or gas-scrubbing apparatus, offers considerable advantages in practice.
  • turbines which operate with a fluid pressure drop of from 5 to 10 ft. of water
  • turbines of the Kaplan propeller type may be used.
  • Such turbines are of simple construction and enable, where desirable, the use of small fans, which may be readily and cheaply fabricated, together with the turbines, from non-corrodible plastics material.
  • These complete turbine-fan units may be made by injection moulding procedures. It will, of course, be appreciated that, owing to the low head or pressure requirement of turbines of this type, it would only be possible to use a single such turbine provided large volumes of water or other operating fluid are available.
  • reaction turbines of all types such, for example, as a Francis turbine, which operate with beads of 40-50 feet, may be used in carrying out the invention.
  • any desired number of airor gas-moving units may be connected in series for operation by a single operating fluid supply, or any desired number of such units may comprise a set of series-connected units in equipment comprising a plurality of such sets.
  • equipment in accordance with the invention may comprise any desired number of sets of series-connected units, the number of units and/or the number of sets, and the manner of interconnection, employed depending on the size of the equipment, the size of the heat exchanger with which the equipment is to be used and the cooling requirements involved.
  • airor gas-moving equipment comprising a plurality of sets of airor gas-moving units distributable over the area of said apparatus, each set comprising a plurality of such units connected in series, each unit comprising an incompressible fluid operated reaction turbine and a fan coupled to and driven thereby, at least one incompressible operating fluid supply means associated with said apparatus, means for connecting one of said sets to and for operation by said fluid supply means, and means for selectively connecting at least some of said other sets for operation by said fluid supply means in another arrangement whereby the effective operation of said airor gasmoving equipment may be regulated in accordance with the cooling requirements of the apparatus.
  • Airor gas-moving equipment according to claim 1 and including an additional incompressible turbine-operating fluid supply to which at least one of said sets is connectible.
  • Airor gas-moving equipment according to claim 1 in which the reaction turbines are water turbines.
  • conduit means connect together the units of each set, and the shaft of each unit is directed generally longitudinally and angularly relative to said conduit means.
  • Airor gas-moving equipment including a housing associated with each fan, and portions of said housings and conduit means at least initially direct air or gas and incompressible fluid in directions parallel to said shafts.
  • a method of operating airor gas-moving equipment for a heat exchange or gas-scrubbing apparatus comprising a plurality of sets of airor gas-moving units distributed over the area of said apparatus, each set comprising a plurality of such units connected in series, each unit comprising an incompressible fluid operated reaction turbine and a fan coupled to and driven thereby, which comprises the steps of connecting one of said sets to a supply of incompressible operating fluid and selectively connecting at least some of said other sets for operation by said fluid supply means in another arrangement.
  • said another arrangement includes connecting said units of at least one of said other sets directly to said fluid supply means in parallel relation to said first mentioned set.
  • said another arrangement includes connecting said units of at least one of said other sets in series relation to said first-mentioned set and to one another.
  • said another arrangement includes connecting said units of at least one of said other sets in series relation to said first-mentioned set and in parallel relation to one another.
  • said another arrangement includes at least one set of said other sets of units being connected directly to said fluid supply means in parallel relation to said first mentioned set.
  • said another arrangement includes at least one set of said other sets of units being connected in series relation to said first mentioned set and to one another.
  • said another arrangement includes at least one set of said other sets of units being connected in series relation to said first mentioned set and in parallel relation to one another.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Hydraulic Turbines (AREA)
US35357A 1969-05-14 1970-05-07 Air- or gas-moving equipment for use with heat exchange and/or gasscrubbing apparatus Expired - Lifetime US3667864A (en)

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GB2450769 1969-05-14

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DE (1) DE2021136C3 (ja)
GB (1) GB1251707A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937275A (en) * 1972-05-24 1976-02-10 Bernard Boisseau System for thermal exchangers
US8104746B2 (en) 2009-04-16 2012-01-31 Vincent Wiltz Energy efficient cooling tower system utilizing auxiliary cooling tower
US20130052043A1 (en) * 2011-08-25 2013-02-28 Gopalakrishna GUDIVADA Rotors

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101560940B (zh) * 2009-05-27 2010-04-21 南京星飞冷却设备有限公司 应用于水动节能冷却塔的直联低速小型混流式水轮机

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937275A (en) * 1972-05-24 1976-02-10 Bernard Boisseau System for thermal exchangers
US8104746B2 (en) 2009-04-16 2012-01-31 Vincent Wiltz Energy efficient cooling tower system utilizing auxiliary cooling tower
US20130052043A1 (en) * 2011-08-25 2013-02-28 Gopalakrishna GUDIVADA Rotors
US8985967B2 (en) * 2011-08-25 2015-03-24 Vetco Gray Controls Limited Source of power in a hydrocarbon well facility

Also Published As

Publication number Publication date
DE2021136A1 (de) 1970-12-17
DE2021136B2 (de) 1975-02-27
GB1251707A (ja) 1971-10-27
DE2021136C3 (de) 1975-10-16

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