DE1964602U - CONTROL DEVICE OF STEAM POWER PLANTS FOR MARINE DRIVE. - Google Patents

Description

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(saashs'tseliesid B.1® "ACG ^S Sigaals; 0. ^ @ r eia © Leltwag 11-

äSayt. Bas "ACC ^ Systera 12 BfeeIIti mitijais eiae-s ^: about the © _f? Esiiiäd; & fc®n signal" the degree ■ des? ' Oeifaw.ag iiir the heating oil, eia ^ uad. xög «lt .-, so that the i die einow -Bp ^ hner 16. through a HslsSl · =» pump. '13'SBK®iül: i,: et. "Becomes'» ..Es © tewert'fes'afs ?;'glsleliseiten'4 @ n degrees &. & V Q®it $ i> wa% ~ ®'in®x li | l'tklapp®- ^ 19 means- alists- Siga-ils, $ a's ülj © r the "teiifewag .18 tea ^ ts wsid "'regulates-iamit, eatspifecliejad der Helaölmeage di® lAt £ tffl © n {3 <s,. _? ~ die -deja Ofda, 17': d @ s .Kessels ·: blower i iV

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Steam d ^ uok ira

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Turbine specified amount of steam uad the amount of ciescteffl boiler

As far as you can. it "considered by dex theory ago ,, seems above besc & rxebene ■ known control system no kr © blerae ο" keep ent It has de sin Ib also believed ,, that in ^one allgeeieinen this. System is able to make all of the above tasks genannte.il satisfactory au

Indessen'seigt the "known control system, various disadvantages USID difficulties when it practically ferv ^ ends is"^Å; enja it sum as "plant gum amtomati see operating eiaer steam = wide within one, Belastungsbereiehs" ngewenciet then enter the following problems on ©

Ί · ο Since the slope area of an ACC «Sy.st © ias, for example, in the large- © rdauag VO &. 1oq ■ - 3 ©% of the load is _s wird'eine. automatic control of the combustion at lower loads

2o Since a steam boiler follows any aeaööööung only slowly, the ability to follow with the boiler pressure ₈ or in other words the ability to follow with the combustion in the boiler is insufficient if the @ Ges.chwiüdigkei "& ₉ with the ^ _s is actuated handle look _s increases what one excep "livable high barren low vapor pressure" in the boiler result has "Consequently - ^iauss: a-operator in the control des.Handgriffe 2 'at the same time constantly the Dampfdrueic.4® © imported. -Monitoring the boiler,) to prevent such phenomena

5 ο Since even with © iaex .Spessialtype the area of application '

a single burner in the GrössenorcLnimg won 1oo - 15> ό of the load is _9, must be operated in FaIIe ₉ öass a boiler in an area with an extremely small load, ice © plurality of burners © turned out of the off © of some of Brennerspiteen must be ansgewechselt ₀ such Massaahme has been manually performed wordene iVa & however eciit- _s that this measure by an ACC Sifpial automatically is carried out, then the Oharakteristika the entire system DIE requirements of the ACC Systens he "must fill ₉ what result has * that-the mechanism gets complicated '* "" -. · /. ■

4 ₀ Especially if the control system of the steam system

Ship is to be operated on the bracke, the ■ dlenuagspersoa the control of the steam power plant at the same time

Driving with that of the ship 'Ko is really - sistux darig' to steer _{the steering wheel 9} when one is on the same side.

d @ a steam pressure of the boiler ..monitored =

The present invention is made to. the Torgenanntea SchwierigJsei th 'and off Geesthacht rush of known control system and is gekean by the following points ^ eichnetj

1o Since the. This invention-: a system is ₉ "in ,, which the Vorwa3 ts ^ -and Siickwärtsgang a © arbine ₉ .the a üharMne- amount of steam supplied _nine the amount of Feuerweg country?" Lu £ _t? the steam boiler '"(# inschliessl.i © h a plurality of. in Betriel) located burners) ■ is supplied to be directly controlled by a single control handle _8,' the sequence of the steam boiler = oder'Ansprechcharakteristik

~ 5 - ■ ■ · W

.the "deaneries indirect Steuersjstem iferbsEsest," w. in Vergleieli where you © of Peiieruag by ■ gestawort Strengthening the boiler

2 © ΒΙφ ■ ^ © agt das Daapf® la der ftaMne iiaä ö © r Yerteaueh Pans-piing des & © scels (as well as the Luftiaeage) are ^ on one another oo ei age _s that they sincU üia constantly balanced when they run smoothly uiaausgegiiclisner Zus Evisehen b $ idsa l? akt © 3? © a _{9 of} the iron lE ^ ttia in setting 'he ^ voicgeffufsn. becomes _s uad aiaea dynaiaiseh

des- IiaiwrGS & ofelieli ..by · @i «ue T aCLimg im Dampfte © ss'eX stixis' ^u -rsaeii clär öErsli a-M & t.teZ-snar autoaiatisciaea des Baapf draelss In the" Kecsei "berioiitipito -. ■

tevMsmt ^ tel £ 'as dea vapor pressure Ik K © ss @ l

des LnftsjiifnlarTeiiiils) or fe @ icl @ r durcli ela. from steam = * ■ oil. © s ICasssIs signal evoked ", Ein Systan _s " bei eiern Gi ^ aä d © 3? ÖeffauEtg des F @ iaeruagsi? ^- © ntils - by means of an iröis steamdrack d @ s. Kessel -aiisg @ h @ndeB "Signal is controlled _e is

b @ l ä @ u f3? ub, e3? @a i.CG «Syster & v®2? m ^? eaäeto Jecloeh to © - peisäss ä®2? presenteadea Erfiridiiag such a -wöhi, Bertpf ■ = clnseJfiie'rrUhsendes - ^ igae ,! lediglleli © iae secondary © correction "Thus aimtrfe the amtomätim ^ h ^ © Sfceuermig äüycli the" vapor pressure of the boiler · ADVANTAGES-lhafterweise .au, * a small iaiift with eggs ■ ¥ orliegfacles above sea _level.:. findmig in the fxfüiiei'ea StetaeBS? ^ sterä © iß _e .

Are will now die.vorliegende .The invention in detail with reference to preferred embodiments Awei example, with reference to the accompanying drawings _"9

ia them '-. ""

Fig »1 is a schematic representation of an earlier tax» systems for steam power plants from Marias istj

! ig. 2 and 3 show scnemfttische views of a control system according to the invention in two -Ausführungsformen \

Mg "4 shows in a diagram the target of the basin" between the position of a valve control handle for the steam turbines ₉ - the degree of opening of the fire valve and the. of the control valve according to the present ErfMungo

2 shows an arrangement for performing secondary control of the boiler steam pressure by operating a Yenti handle for the turbine. According to the drawing, an operator 1 actuates a handle 2 of the valve which controls the forward (or backward) control valve ₉ ^! Then a signal coming through a line 21 opens a gatekeeper control valve 3 (or a reverse control valve 4) and at the same time a combustion valve 14, an air flap 19 and a burner 16 are activated. predetermined ßteiltu ^ a ₉ which corresponds to the degree of opening of the? orwärts ~ control valve 5 (or of the reverse control valve 4) and is transmitted by a signal j that from a branch point 22 via the lines 25? 24 · _r 25 and 2? is transferred «Sa a means

26 mv. Control of the air conditions "between * signal lines. 18 and 25 is switched on that lead to the air flap 19, a minor secondary control of the air conditions is carried out automatically

A signal emanating from the "steam pressure in the boiler" passes through its line 11 to a means 12 for automatic steam pressure control - in the boiler "and a pressure deviation - compared to" a predetermined bridge ₉ . which _{: is} determined by this control means 12 'iöt ₈ the forward control valve $ (© that of the backward control valve 4) generally in the form of a signal via ¹ the line 15? the branch point '28 and a line 21 initiated and then' corrected 'the degree of oetfnuag of the control p ¥ entils_5 or # _s der-priair by actuating the handle 2 for the valve control of the turbine. Steam pressure in the boiler on a front «

given value "held -wiwL - -

! ig "3 is a -.. 'AuefiUuningeformv" when is the secondary © control of the steam pressure in the boiler' by a correction of the opening of the Fauerungsyentils (or the damper) is effected ", shown in Figo 5 ■ embodiment 'different look ύοά those Figo 2 nuj ^ iarcfa, a means 12 ssur. automatic control of the steam pressure in the boiler "which is a type of ACC system and corresponds to this in some respects. o That is why only the difference between these two systems is given below

This difference is “that the device 12

the vapor pressure in the boiler emits · ₉ which the supply of the combustion air and by means of the Iföuerungaventils BSSW 14 "of the air flap 19 cause, namely üti die.'leitungen @ r 15 _s 14 as well as the. Lines 2: 8, 25 ₈ 18 "corresponding to a '* signal, which is triggered by the boiler steam pressure and enters via line 11 ο This signal corrected the degree of opening of the combustion valve" on the air _{damper 9,} the degree of opening primarily would have been controlled by the handle 2.

g 4 .is. a diagram $ in which the correlation between the position of the handle controlling the turbine and the degree of opening of the combustion valve 14 (i.e. the expected amount of the combustion feed) and that of the forward and Euckwärts ^ control valve 5s 4 according to the present invention

shown iet ₉ where the position of the handle as Abs- ■ sslsse and the degree of opening of the Feueruiigsventils and that of the Steuerventil® are shown as' ordinate, and the drawn-out curve F den. Degree of change in the opening of the firing valve and the dashed curve in each case that of the control valve represents

from the diagram - it can be seen, are in'der neutral In the position of the handle 2 controlling the thirbine, the two

and 'reverse control valves 5 and 4 are closed, so the steam supply "to the turbines 5 and Ö is throttled while the combustion valve - '14 - is kept open so that a minimum of combustion is supplied to the burner 16

CSS * Τ | C33,

• will 9 VM the steam boiler 9 »© oh to keep going · Will the. ' Steuexta handle 2nd of the Buvbiae. from this neutral position to the right (in the direction of aes arrow AHD) ₉ then becomes

the degree 1? the opening of the opening valve 14 and the opening S of the forward control valve 3 increases _9, which at the same time increases the power of the forward turbine same way as - -with the gatekeeper.uerujag the degree F of the opening; of the firing valve 16, and the degree S of the opening of the reverse control valve 4 is increased in the same way ₉ as in the case of the forward control with the forward control valve closed, whereby the reverse turbine 6 has a "be -,

the right power is driven »
*. . ' - ■ - ·, ··.

As stated above-9 will be supported by the present Invention-the following advantages achieved ?.

1. Da a forward and a reverse control valve and a.

The ventilator valve (as well as an air flap) by means of a single, the! Euxibine-controlling handle at the same time and at the same time

'■■ "-.

';: correct "to be actuated" needs a means to monitor the -The vapor pressure in the boiler should only be so high that- it is can carry out a small degree of secondary adjustment, which leads to the selection of the construction of such an automatic control means very relieved "" Accordingly, it is only one Operator possible «to remotely control the system in its entire work area with a single movement.

'. . There are no complicated requirements placed on the signal, which is transmitted from a handle for the control of the turbine to a plurality of burners ", in order to extinguish these in stages or switch them off, a very simple % . Mechanism "That means _? That" self-weaa some oversteady · = ■ feel ten with the introduction of the fire hunted mane "during the second progressive influx or loosening of the burner. These can be accepted ₉ ■ because they are secondary Control to be corrected «, -

3 ο In particular, ₉ if an automatic control system for the steam pressure in the boiler can control the turbine by means of a

erndea valve (according to the embodiment according to Pi ^ ₀ 2) ϋ · - "■

used wi.rd _s © Ia @operiajisspeE'Soa den the turbine stewera- =

\ ' d @ a HasdgyiXi ¹ regardless of the change in the pressure in the boiler with any desired speed. The system is derageraäs-sear suitable for controlling the

if JS ₁ UcIi'in.:, the preceding-. Embodiments of a / system have been described, in which the degree of opening of the valve for the Surbi service and of the valve for the firing (unä "of the one for the hoof baptismal clock) is individually or jointly controlled by a signal that is dependent on the steam pressure of the boiler secondary" is _s . so it is possible ₉ -the _ &1; © ue ~

still, more perfect to macjieias that, one both g secuaäär teorrigie ^ t «through -through will ά & ητ, ΊΙ® fse» - ■ riagst © possible balance "between the two

the turbine and ά & ι? of the steam boiler "eliminated".

The present, invention, "was-in connection with a betraulichen · AwsfäJiruagäbEm" described ₉ in proven satisfactory feat as '' It should, however liervor · = the. "'Structural' embodiments may be modified ₉ without-characterized by Meaning and "esea" to deviate from the "invention" as characterized in the appended claims

Claims (4)

6. 6, 67 - claims for protection; ... "- ■" ■ '_- ■ "■ 1. - Control device of steam power plants, for ship propulsion, in which the supply of the .. heating oil and the. air for boiler heating depending on: the steam pressure according to a pre-programming for ■ different turbine loads, characterized by, a / handwheel}., which at the same time with the steam valve for controlling the / drive turbine of the ship also with the valve for the heating oil and with the air flap for the air supply to the boiler like this. is coupled that in the neutral position of the handwheel. and the air damper takes place. the control valve of the steam turbine and the heating oil valve are completely closed and the air flap is only slightly open, as well as an arrangement that works depending on the steam pressure in / Kassel to automatically compensate ¹ for any remaining imbalance between the. Drive the amount of steam required by the turbine and the amount of steam generated by the boiler. 2. Control device according to claim 1, characterized in that the arrangement for eliminating .the imbalance still remaining after manual control of the heating elements of the boiler .. between the amount of steam required to drive the turbine and the. from the boiler, the amount of steam generated is so. - that it jäas = €) äjiipfventl; I ^ der iiarbine .-. τ "~ - controls automatically .. ~ ^:. ;.:;:,. _: . . * 2 3. Tax control unit according to claim. 1, characterized in that that the order for the elimination of the hand " control of the heating elements of the boiler still remaining Imbalance between driving the turbine is required amount of steam and that of the. Boiler generated amount of steam is designed so that it. the heating oil valve and the air damper automatically controls the air supply to the boiler 4. Control device according to claim! 1, characterized in that that the arrangement for the elimination of the remaining after manual control of the heating elements of the boiler Imbalance between the '"required to drive the turbine Amount of steam, and the amount of steam generated by the boiler is formed so that. they the Danrpfyentil of the turbine, the The heating oil valve and the air flap for the air supply to the boiler controls automatically, .. ■ "." ■ ". \". ..