US1599441A - Condensing apparatus - Google Patents

Description

7 E. G. TURNER CONDENSING APPARATUS Filed Maw 14, 1923 2 Sheets-Sheet 2 INVENTOR. frzzes 2 l Turner Qiyw a A TTORNEYvS Patented Sept. 14, 1926.

UNITED OFFICE.

ERNEST G. pvmvEmxq AkEwden; 61nd,- A-SfiIGENOfi To AMERICANSHIP B'EIEID'ING COMPANY, OF GLEVELAND; 0510; At CORPOBATION'OF NEW JERSEY.

GONDENSI'NG APPARATUS; 1

Kpplieatioai fi led May 14,

,TBep'fesent improvements, relating as inchcatd, to' 'cbfideiising dppitratfis; have more partleul'zir regard to et jcofid'ensl'ng appapulsimn O'ne dbjt df the [invention is to create a hlglifef yacu'mh 1h the low pfe's'slire 'cyIindef m di thereby ihe'fease the, horse:

peter of the engine at fr'duc'ed cost". I 10 also mm to mzilntalii s'uchvacuum When pfia t6 eg bei fi'g'pfiinfiei back to the tuner; Anthi ineiaemi object s to remove the 2d tir hem the feed; Witter, this being" acbo'm T the ecddinplishlhht of the foregoing" 'seriptiii settihg, fo'ic'th in detail certain mehamism inbddying the inventibn, such ingap' qratus; ahd Fig. 2 is a Yiew' similar;

orappa'mtu shbivii in Fig: 1 the Veit'icavlleqijproc atihg e'ngine lth'ei'e jHHStMte'd, it will be understbocl; is' merel typical of .fiziribiis equival'ht fe'rnis' 6f engine that may be employed for the pufpbse' of rotating the, crank shaft 2 whereby the propeller of the" vessel is di'iveh; Leading from the cylinder f suhnfiihefs the main 'eXhzi-iist 3 that usual type is i'ttalc'hed t0 the ebndens er.

Said maifi jets 5 are adapted-.550 be o tionally c'omiected, either with it l'oW 1ve1;inj'ec tiQn intake 7 or a high level intakee'in the Side" Of the vessel; through" the medium pt pipe 1 0 'h'evifigl va1ve cqiitr'ofled bifanch 'es' 11 1 12 lestding te' s'uehf intzt'ke en-i gs, respectively, ail iiije'cti'oh valve 13 m sarid pipe servinggto- (zontr' ol 'the supply 01"- Water to the annular ehak llber in th-e uphe? I9 is conjrgeeted W it efie'h' line", while a check v ive 18a merit 'di'cha'fge and prevents rever e How of water'themthieugh.

'Subh ztir pump diseharge lined? hat a' v's iye-co trtll'ed bran-eh 20; that it eohn'ected with? feed and filter tan]; 21, the outlet threhiem di' sehargifig verbearmq u a a l'ewef le vielth an th ma-in outlet" 18 of said line. 'Filtejr boxes 23 are ar ange}. in'the u per pertiofi 'jff seidtmk go that water as 's ippli'ed' through brtflch 2011s CfLilSGi Itb flow thre ghsaid bbxs in sueges sibn befpre Over flowing 'ihtc} the" maimbody Of the tank.

Saidtank is pwvifigd. with a valve-controlled drain imm diate 4 and with other vawe-cmtrened e01'1'fi'ecti0n 25; that throligh line 27 in "t'ur'ii connect d withb-ML An air ejeewr 30 is cbh'fieted hy'iile'ans of a line 31 with the upper portion 6f Condehsfer {1, as shbvv'lf 'slu'h 'ej'ec'to'rbeing supplied with steam thrb'ugh a valve-controlled pipe 32 and draining t0 t'hefeed and filter otherwise With the lowel end df 'sa id condenser 4, are two inde endent valv'e - cimtrolled suctiii lines 35 and 36 that respectively lead to a cent ifugal pinup 37 and a feeiproating pump 38. The discharge lines 39 and 440, that lead item taiti pum s provided with check valves, and the one thereof, viz, line 40, with a valve, and for convenience are united and have a single discharge connec tion 41 into the discharge line 17 that leads from air pump 16.

It will finally be noted that the feed and filter tank 21 is provided with an air vent 12 rising from the end thereof wherewith lines and 83 are connected, such-vent serving to eliminate the air from the feed water before it is carried through filters 23,

and so entrained with the water withdrawn from the tank and fed to the boilers.

By attaching a jet condenser to the engine in the fashion ust described, with a pump such as centrifugal pump 37 or rec1procating pump 38 connected with such condenser for removing the water of condensation therefrom, and an ejector for removing air from said condenser, a higher vacuum can be created in the low pressure cylinder of said engine than is otherwise produced when the engine is operating at normal speed, and such vacuum can be readily maintained even when the engine is operating [at low speed or is ata standstill, as in maneuvering. Thus the engine is enabled to operate at substantially maximum efiiciency under conditions which would otherwise greatly reduce such efficiency, and even under normal operating conditions, due to the higher vacuum which can be maintained, the horse power of the engine may be measurably increased and the cost of operation ing the discharge line from the ejector connected with the feed and filter tank a considerable portion of the heat of the steam used in such ejector is recovered in heating the water before it is pumped back to the boilers.

In contradistinction to the foregoing, with the old system the entire eXhaustst-eam from the low pressure cylinder is admitted into the jet condenser and there mingles with the injection water which is brcught to a temperature equal to the temperature of the low vacuum, viz, 152? F., where such vacuum stands at 22 inches as assumed above. The bulk of the injection water thus heated by the condensed steam is thrown overboard, only a small portion being ordinarily drawn off by a feed pump to the boiler, and such portion of course being at the temperature last stated. -With the present arrangement, on the contrary, I am enabled to raise the temperature of the water thus fed to the boiler to 17 0, so that a marked economy is effected in this way. i

In the modified construction illustrated in Fig. 2. substantiallv the same arrangement of jet condenser 4: and appurtenant parts is employed as in the previously described construction illustrated in Fig. 1. The use, however, of an air pump, such as the Edwards air pump 16, is done awaywith and the lower end of said jet condenser or rather the elbow joint that constitutes a downward extension thereof similar to elbow joint 15 is directly connected with a centrifugal pump 51, and through a valve-con trolled pipe 52 with a reciprocating pump 53, which pumps are adapt-ed independently or conjointly to remove condensate from said condenser. Check valves, as in the case of corresponding pumps 37 and 88 in the previously described construction, are in'serted in the discharge lines from said pumps 51 and 53 and these lines oin in a common line 17 which as before leads to overboard dis charge opening 18 and through a valve-controlled branch 20 to feed and filter tank 21.

The operation of the apparatus in such Fig. 2 will accordingly be seen to be substantially the same as that of Fig. 1 except that, due to the omission of the air pump, the centrifugal pump 51 is reliedupon for the removal of the condensate under normal operating conditions, as well asunder the special conditions to which reference has heretofore been made. When such special conditions are encountered, however, the reciprocating pump 53 may be additionally called into action inorder to maintain the desired degree of vacuum in the condenser.

It Will be obvious that various other arrangements of pumps and connections therefrom to the condenser may be employed in order to secure the desired effect without departing from the principle of my inven tion, or negativing the advantages obtainable by the proper operation of my improved apparatus. In such operation, it should be noted that the bulk of the injection water is discharged overboard and only a part into the feed and filter tank, the amount of such latter part being regulated so as to substantially equal the water sent to the boilers and no more, and this amount only being heated up to the higher temperature previously indicated.

Other modes of applying the principle of my invention may be employed instead of the one explained, change being made as regards the mechanism herein disclosed, provided the means stated by any of the following claims or the equivalent'of such stated means be employed. 7

said jet condenser and discharging into said feed Water filtering and accumulating means, whereby the temperature in the Water is raised.

2. In apparatus of the character described, the combination of a jet condenser, means for drawing ofl? condensate therefrom, a feed Water filtering and accumulating tank supplied by said condensate draw ofi' means,

- and a steam jet air ejector exhausting from said jet condenser and discharging into said feed Water filteringand accumulating tank, whereby the temperature in the latter is raised.

3. In apparatus of the character described, the combination of a jet condenser for receiving exhaust from main and auxiliary engines, means for drawing off condensate fromsaid jet condenser, a feed ater filtering and accumulating tank supplied by said condensate draw off means, and a steam'jet air ejector exhausting from said jet condenser and discharging into said feed Water.

filtering and accumulating tank, whereby the temperature 1n the latter is raised.

4. A condensing apparatus for a steam engine having in combination a jet condenser, an air pump connected for operationby said engine and normally serving toremove condensate from said condenser, two auxiliary independently. operated pumps, one a centrifugal pump and the other a reciprocating piston pump, connected With said con denser for rei'novingcondensate therefrom, said pumps having a common outside discharge, a feed and filter tank, and a branch discharge connection from said pumps to said tank, and an air ejector connected With said condenser, said ejector being connected to discharge into said tank.

Signed by me, this 11th day of Ma 1923.

ERNEST Gr. TUR ER.

Images