DE1922934A1 - Combustion regulator - Google Patents

Description

Diploma Chem. W, ROCKER DipUng. S. LEINE

PATENT LAWYERS

KOCKUMS IEKANISSA ViIRKSTADS FROM ₃ 3 HANNOVER

Stora Varvsgatan 8, 211_2; 0__MUio_ _y '■ At the Klagesmarkt 1Q / 1I

Sweden.

COMBUSTION CONTROLLER

The invention relates to a combustion controller for

Steam boiler, preferably Schiff sdarupf boiler, nit .eineiri or several burners, which have a Keizölventil with a first operating circuit and a Hei; ^r , ö! pressure transmitter as well as an air valve with a second operating circuit and a! Air pressure transducers are assigned.

The known types of combustion regulators can

not used for marine steam boilers without significant modifications v / earth. They are not sufficiently reliable in operation for this area of use. The invention aims to provide a combustion controller to create that can be used primarily for ship's steam boilers, and this combustion regulator should be both manual and automatic Allow operation and simulated operation for the function check of the combustion controller. Furthermore, the controller should be fast and ensure reliable ship maneuvers, taking into account its accuracy and sensitivity, great demands are made.

Therefore, the erfindungsger.iässe combustion controller is characterized in that a ₃ Aue Danpfdruckgeber and a steam

OJ pressure demand signal transmitter connected to an integrating circuit

cjd are that the output of the integrating circuit to an input τ "one contained in the first operating circuit, differential switched Amplifier stage, the output of which is coupled to a stud link in the first operating circuit ο enth.alter.iui, and to an input · of an ir.i

^ second F; etriebokreis contained, differential switched ■ ^ ³ amplifier stage is connected, the output of which is coupled to an actuator contained in the second HcttriebDkren3, and that the

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Input of the amplifier stage of the first operating circuit to the iie.iiz.-oil pressure transmitter and the input "of the amplifier stage of the second-Bg ^: - * v; drive circuit to the air pressure transmitter and the central oil pressure transmitter ariHeM are closed. Tm yes

The invention is based on the drawing ir.i the following described in more detail. It shows - - ■

1 shows a block diagram of a ship propulsion system rait the combustion regulator according to the invention,

Fig. 2 is a circuit diagram mainly of the blocks 13 ₃ 23 and 2k in Fig. 1,

Fig. 3 is a circuit diagram mainly across blocks 5-11 in Fig. I ₃

Fig. ¹ \ a circuit diagram of an embodiment * of the block 25 shown in Fig. 1 '

FIG. 5 shows another embodiment of the block 25 in FIG

'Fig. β a circuit diagram of part of a device for manual operation of the combustion controller,

Fig. 7 is a circuit diagram of the blocks 13 and 1 *! in Fig. I ₃ and

Fig. 8 is a circuit diagram of a device for Modification of the combustion regulator shown in FIG. 1.

In the block diagram shown in FIG. 1, there is a system to propel a boatman: - illustrated. This drive system comprises a steam turbine 1 with a main condenser 2. -

The steam turbine is supplied by a main valve 3 with steam, \ and this valve is supplied to the steam of a steam boiler starboard ^l \ and a Backborcdampfkessel which are conventional and are provided with superheaters. The steam boilers are heated by several oil burners. The control Bora boiler H are a Keizölventil 5 and an air valve 5 and a ileizöldruckgeber 7 and an air pressure transducer 3 assigned. The Keizolventil 5 is assigned to 9 further comprising an actuator vrelches of Keizclventils is included in elektronischen'Betriebskreis 10 and may be constructive tion of any convenient Kon-J _0th In the present case, the actuator is ° electropneumatic. The air valve 5 is also assigned an actuator oo 11, which is included in the electronic operating circuit 12 of the Luftoo valve and can be of any appropriate construction _o . This actuator is also electro- · ^σ> pneumatic in the present case. The steering boiler J; can in certain cases be equipped with a device 13, which together with a

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electronic circuit 1 ^J I senses the oxygen content of the escaping smoke gases and accordingly; Content influences the drive circuit 12 of the air valve C in such a way that the lowest possible oxygen silver excess is obtained. The port side of the system comprises the same components Ί-14 and is only shown here as a single block 15. The steam generated by the port side 15 and the starboard side is fed to the main valve 3 via pipes 16 and 17. To line 17 is. a steam pressure transducer 18 is connected, which generates an electrical output signal proportional to the sun steam pressure. The main valve 3 is regulated by the pressure of the ship by means of a control system provided with an actuator 19. This control system also generates a steam pressure demand signal. The actuator 19 is actuated by means of a further actuator 21, which is controlled by a quick switch-off system 22 for the main engine (referred to in technical circles as '"!' RIP SYSTi] ::"). This system generates a quick changeover signal.

The combustion controller of the present invention maintains its function _; "j3grÜD3 -; - n from the gy3tones 20 and 22 and from the steam pressure transducer ID. The large sizes are pressed onto an integrating circuit 23. It should be emphasized, however, that the steam pressure demand signal from system 20 of the integrating circuit 23 via a differential-shifted Veratärkerstufo 2- i supplied v.'ird that the signal from the Danpfdruckgeber 1 "is a .. difference between a setpoint value set by means of a potentiometer Pl and the actual value obtained by means of a Darr.pfdruckr.essglieckio is proportional error signal, and that the Signal from system 22 when opening a contact controllable by a relay RK3 received v.'ird. That before. The output signal obtained by integrating circuit 23 is first fed to a device 25 which is used to ignite or shut down one or more burners in both steam boilers successively one after the other or to lower the steam pressure. The device 25 is of course only used when the steam pressure requirement is extremely low.

Ir: The components contained in the actual combustion controller are described in more detail below. Fig. 2 shows the blocks. Io, 23 and 2- ' in their "details and also a device for simulating part operation with the combustion controller. This device essentially consists of a functional amplifier" 13 connected for integration and is described in more detail below. As already mentioned, the setpoint of the steam pressure is set using the potentiometer Pl eir.gestsl-lt, whose one connection is via a Uiäerstnr-o. Rl to a voltage input OV and its other input

909848/0647 BAD

Circuit is connected to a voltage input -15V via a resistor R2. The sliding contact of the potentiometer P1 is connected partly to one connection of a steam pressure measuring element 26 and partly to one connection of a steam pressure indicator 27. The measuring element 26 generates an electrical signal proportional to the actual value of the vapor pressure. The other connection of the Hess member 2o is connected to one input of a function amplifier 12 via a resistor RIl and a relay contact RZl, which is shown in FIG. 1 in its position for automatic operation with the combustion controller. A Zener diode Z1 and two parallel-connected resistors R3 and TiH are switched on via the connections of the measuring element 26. The other connection of the vapor pressure indicator 27 is via the resistor RIl also to the .ein input of the function control

k amplifier 12 connected. The functional amplifier 12 is switched for integration, and its other input or positive input is connected to a voltage input OV via a resistor R12. The functional amplifier 12 is also connected to a voltage input OV via a capacitor C ^r J> , whose voltage input; The opposite connection is connected to the output of the functional amplifier 12 via a resistor R33. The output of the amplifier 12 is with its one input or negative input partly via a diode D5 and partly via a capacitor Ο '! connected in series with a resistor R17 connected in parallel with a capacitor C3. The negative input of the functional amplifier 12 is also connected to the output of a further functional amplifier II via a capacitor C2, a resistor RIO and a further resistor R9. The last three components are connected in series. The functional amplifier II is connected as a differential amplifier and will therefore emit at its output an output signal proportional to the difference between the input signals. The output of the amplifier II is connected to one input of the amplifier via a resistor RC connected in parallel with a diode D3, and this input is connected to a voltage input OV via two counter-connected Zener diodes Z2 and Zj5

and via two parallel-connected and facing diodes Dl to

ο and D3 connected to the other input of the amplifier II.

O ₀ The latter input is connected to a voltage input OV via a resistor R7. One input of the function amplifier ^ II is also connected to the system 20 via a resistor R6.

-

while the other input of the amplifier is connected to a VJider ^ j stood R5 to which Systeii 20 is connected. The connection between

■ the resistors R9 and RIO is via a means of the mentioned Relay RE 3 controllable contact connected to a voltage input OV. The negative input of the functional amplifier 12 is over a resistor R15 and a diode D4 to a voltage input OV connected. The connection between resistor R15 and the Diode D'l is connected to a voltage input -15V via a resistor Rl'l and connected to a voltage input + 15V via a resistor Rl3. Furthermore, the negative input of the puncture amplifier is 12 connected to another part of the combustion controller via a resistor Rio, and this part is described in more detail below.

The obtained at the output of the operational amplifier 12 and integrated _s aera vapor pressure requirement corresponding signal is fed through a diode D7 to the sliding contact of a potentiometer P2 (Fig. 3). One connection of the potentiometer P2 is coupled _{3 to the} circuit arrangement shown in FIG. 3, while its other connection is coupled to an identical circuit arrangement for the port side of the propulsion system. The potentiometer P2 is used to establish a balance ■ between the port side and the starboard side. One connection of the potentiometer is coupled to the minus input of a differential operational amplifier IpO via a resistor R52. This function amplifier 150 is contained in the operating circuit for the germ oil valve 5. The negative input of the functional amplifier I50 is connected to the positive input of this amplifier via two parallel-connected diodes D51 and D52. However, it should be emphasized ₃ that the diodes are facing each other. The positive input of the functional amplifier I50 is also connected to a voltage input OV via a resistor R53, and the amplifier itself is connected to a voltage input OV via a capacitor C50, whose connection facing away from the voltage input is connected to the output of the functional amplifier 150 via a resistor RIO3 connected. The negative input of this amplifier is connected to a voltage input -15V via a resistor R5-1 which determines the minimum oil pressure and to a voltage input + 15V via a resistor R50 and a switching contact. When the contact is closed, ί? the resistor Po0 coupled with the negative input of the amplifier I50 ..

^ wob ^ -i the oil pressure is increased somewhat. The Ilinus entrance of the

J ^ st greater I50 further includes a 'resistance Po5 · and a relay contact RL J _5, 2 to the one terminal of a oil pressure measuring element 23 included reasonable ¹ ^ j which a signal proportional to the prevailing oil pressure

Emits output signal. The other terminal of üldruckmessgliedes- is connected to a voltage input OV, and between: _the: terminals are Awei series-connected resistors R ¹ and R JH-55 sov / ie. a Zener diode Z50 connected in parallel with these is switched on. The connection between the resistor R5? and the; Relay contact RI. ^ 2 is connected to the positive input of a via a resistor Ro5. Functional amplifier 151 and connected via two series-connected resistors R60 and R5l to a voltage input OV and via a contact! IS to one connection of an oil pressure indicator 29. The other connection of the indicator 29 is connected to a voltage input OV. The negative input of the functional amplifier I50 is connected to the emitter of a transistor T50 via a capacitor C50 connected in parallel with a resistor R57. The output of the radio

Fe tion amplifier I50 is connected to the base of the transistor via a diode D53 TpO coupled while the collector of the transistor is across a resistor R53 is coupled to a voltage input -15V. The emitter of the transistor T50 is connected to the via a resistor R59 Voltage input -I5V and via a contact IIS to an actuator 9 connected j its other connection to a "voltage input OV connected. The contacts mentioned in this context "S are used to change the circuit to manual operation, although they are shown capable of automatic operation of the circuit. Those parts of the circle, polygamy, switched on when switching contacts I-S * are described in more detail below. What has been said about the MS contacts also applies to those described below Contacts US.

ψ The function amplifier I5I mentioned earlier is again connected to the differential function amplifier I50. is included in the operating circuit of the air valve ο. The plus input of the functional amplifier 151 is connected to the linear input of the amplifier sovrio via a resistor 357 to a voltage input OV via two parallel-connected, mutually facing diodes DS-ί and D5-5 sn. The amplifier I5I itself is coupled to a voltage input OV via a capacitor C53, the connection of the capacitor C53 facing away from the voltage input via a resistor R10'1

is coupled to the output of the amplifier. Jer minus input dos ° amplifier 151 is via a resistor Ho-! to a voltage input ** --15V and \\ be? a resistor YX.?. to a Cpamiungs ε input

■ ^ + 1 ^ V and via a resistor R73 to oon sliding a Po

r) tentior..eter3? 52 connected, one connection of which is connected to a ¹ ^ voltage input OV and the other connection

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leads to a connection of an air pressure indicator 30. The other connection of this indicator leads to a voltage input OV. The other connection of the potentiometer? 52 is also connected via a relay contact RY ', 2 to the one connection of an air pressure rupture element 31 which, at its output, emits an output signal proportional to the air pressure in the tank. The other connection of the measuring element is connected to a voltage input OV, and a Zener diode Z53 and three series-connected resistors R77 _; H7 ·? · And R79 switched on, whereby a resistor R75 connected in series with a Zener diode Z5 ^ is connected in parallel with the resistors R77 and R7o. Furthermore, a resistor R7 ^ connected in series with a Zener diode Z55 is also connected in parallel with the V / i resistors R77 and R7O. It should be emphasized here that the potentiometer P5? to equalize the air pressure in relation to the oil pressure or vice versa. The I-in input of the functional amplifier I5I is also coupled to the crease of a transistor T51 via a capacitor C52 connected in parallel with a resistor R7-'l, which is connected to the output of the functional amplifier '5 'via a diode DJO . The collector of the transistor is via a 'resistor '. \ 2 ^! \ connected to a voltage input -I5V, which is coupled via a 'resistor Rl? 3 nit de:.: Knitter of the transistor T ^ l. The control gate is coupled to the actuator 11 via a contact -IS, the other terminal of which is connected to a voltage input OV. The knitter of the transistor T3I is also nit the Minu-seingc.rg of the FunktionverDturker-s I50, namely via a Zener diode 7.5I _5, which is used to reduce the oil pressure and sor.it the oil supply when the actuator 11 from an anorr / .al large signal indicating insufficient air supply is activated by wiroi. For a too rapid and strong increase in the oil pressure, similar precautions are taken, which consist in connecting the input ^c - ^e3 actuator 9 via a 'resistor Κ · ό9 ₃ a capacitor C5 ^J i and a diode D56 to the plus input of the functional amplifier I5I coupled viird. The connection between the diode D3i and the. Capacitor C; ^i; _o is connected to the connection between the 'resistors HiO and return on a' resistance RoC With rapid improvement of the signal to the actuator · 9 is thus the capacitor ^CD CS-- geladen.und then an enlargement of the / output

* "signals in front of. Amplifier I3I cause. KS is emphasized here», . ·

«Ni. that the Kor.r & nsr.tor C5-- t ^ sv the 'resistance. TlCZ can be discharged S. ■ ■

* ^ In Prinzin int the part of the so far described

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Combustion regulator is sufficient for a perfect and precise re ^ filing ** dkr oil and air supply to the boiler for the purpose of generating steam according to a certain minimum requirement and a certain maximum requirement In some cases, either the steam generation has to be somehow reduced to a fourth below the normal minimum requirement, or the excess demand has to be eliminated somehow, for example by lowering the steam pressure in the system. According to the circuit shown in FIG. 4, one or more of the burners for the boiler can be shut down one after the other if the normal minimum requirement for steam is to be undershot. The circuit shown in Fig. ² I consists of a functional amplifier 15'l> whose minus input via

A resistor R96 is coupled to the sliding contact of the potentiometer P2 and via a Zener diode Z52 to the output of the amplifier. The output of the amplifier is connected to the amplifier plus input via a resistor R99. Furthermore, the positive input is connected to a voltage input OV via a resistor R97 and a resistor R98. The connection between the resistors H97 and R93 is connected to a voltage input -15V via a resistor R95. The output of the operational amplifier I5'l is connected via a resistor to the base of a transistor RLOL T5'l whose emitter is connected to a voltage input OV and its collector connected to a relay coil RE3 ⁽¹ O, the other end coupled to a -15V input voltage The collector of the transistor T5 ¹ } is also connected via a diode DA to a voltage input -15 V. If the demand signal from the functional amplifier 12 falls below a certain value, the relay RE3 will respond and shut down the burner assigned to the functional amplifier I5'1 . with progressive decrease of the demand signal, a second, the operational amplifier Ι5Ί similar circuit shut down another burner. If the demand signal increases again, the burners are ignited again. Instead of the can in connection with FIG. circle described 1 \ of the circuit shown in Fig. be used, which serves to generate the Danpfdr uck to reduce. As can be seen from FIG. 5, '.

^! to the circuit for feeding an actuator 50. The one connection of the; The actuator is connected to a voltage input OV and its other input, *. Finally connected to the emitter of a transistor Tl. The '* <■' -

ι o Emitter of the transistor is also with a voltage input -15V: ^ coupled, and this voltage input is via a resistor R2.1- '

■ ■ - 9 - -

coupled to the collector of the transistor. The base of the transistor Tl is connected to the output of the functional amplifier via a diode Do 12 connected. It should be emphasized here that the Resistors R33 and R39 (Fig. 2) can be omitted, though . instead of the circle shown in FIG. 4, the circle shown in FIG. 5 is used, but which is not particularly economical.

The combustion regulator of the invention is also for

simulated operation provided. Such an operation is supported by the Conversion of the switch S shown in Fig. 2 accomplished by the voltage input -15V coupled to the relay coils RE1 and RE2 whose other ends are connected to a voltage source of + 15V or a voltage source of OV. The contacts REl and RE2 the relays RE1 and RE2 are thus from the one shown in the figures Position switched to its other position, whereby the measuring elements or transducers 26, 28 and 31 and their circuits are switched off by the controller and 'the circuit part shown below in FIG. 2, comprising the functional amplifier 13, is switched on. This. ■ Function amplifier is connected as an integrating amplifier, and its minus circuit is connected to a voltage input OV via a resistor R19 and to a capacitor Co. connected to the output of the amplifier. The capacitor C6 has two facing Z.ener diodes Z *! and Z5 connected in parallel. The functional amplifier 13 is connected via a capacitor CA to a voltage input OV, Xtfobei the connection of the capacitor facing away from the voltage input is connected to the output of the amplifier via a resistor R39. The positive input of the amplifier is via a resistor R20 connected to the output of the functional amplifier 12 and via a resistor connected in parallel with a capacitor CS ' Rl8 and a switch S2 to a voltage input OV with the Switch in the position shown, and to a voltage input -15V with the switch in its other position. It should be noted here that the resistor R20 represents a certain oil requirement and the resistor Rl3 a certain steam requirement, the capacitor CG represents the vapor pressure after the superheater. With the switch S2 in the position shown, the resistors R20 and

o Rl3 a predetermined, low decrease in power > and with the Schalif? ter S2 in the other position is a predetermined, large power Ψ

'* "decrease simulated.
oo

- »» * The combustion controller of the present invention

Cj ₅ is also set up to switch from automatic operation to manual operation and vice versa. To switch the controller to

manual operation, a switch is operated with which the contacts MS and NS switched from the illustrated position to their other position will. The device provided for this is shown in Fig. 6, vjo apart from the contacts HS and IIS also contacts IIP and MP that belong to the system on the port side. The connection B in FIG. 3 leads to connection B in FIG. 6, connection C in FIG. 3 leads to connection C in FIG. 6 and connection D in Fig. 3 leads to connection D In Pig. · 6. The connection E in FIG. 3 leads to the connection E in FIG. 6, the connection F in FIG. 3 to connection F in FIG. 6 and connection G in FIG. 6 leads to connection G in FIG. 2. The circle shown in FIG. 6 comprises zv / el differential switched function amplifiers 14 and 15. ^ When changing of the contacts MS and NS and thus the contacts HP and NP leading to the port side, the contacts ground theirs to that in the drawing

fc assume the opposite position, whereby, among other things, the Measurement indicators 29 and 30 switched off from the Hess circles and connected to the operating circuit together with an actuating circuit for the oil operating stage and an actuating circuit for the air valve operating stage v / earth. The functional amplifiers I ^ and 15 with their Circuits are connected to the operating circuit. As shown in Fig. As can be seen, the actuator 9 is connected to the emitter of a transistor Tp2, the base of which is connected to the sliding contact of a potentiometer ? 50 is connected, one connection with a voltage input OV and the other connection with a · voltage input -15V is coupled. The voltage input -15V is via a resistor R71 to the collector of the transistor T52 and via a Resistor R72 connected to the emitter of transistor T52.

ψ The emitter of the transistor T51 is coupled to a voltage input OV via a resistor R36. The actuator 11. is coupled to the emitter of a transistor T53, the base of which is connected to the sliding contact of a potentiometer P51, one terminal of which is coupled to a voltage input OV and the other terminal of which is coupled to a voltage input -15VII. The voltage input -15VII is connected to the collector of the transistor T53 via a resistor R37 and to the emitter of the transistor T53 via a resistor RO3. The indicators 29 and 30 are connected in parallel with to the output of the functional amplifier 1-j. exit

* «And I-Iinuseinang of the function amplifier 15 are via a cons .. stood R37 connected to each other. The! Linuseinsans is also over

* - * the resistor R3I and a contact IiS to the connection Ξ, Uber

_ a resistor R32 and a contact IIS to connection C, via

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J-- ¹ - f. ♦ t ■. rl

* t ι · t ■ »i

• 'tt t, ι ψ

the resistor R30 and a contact MP are connected to a port connection and via the resistor R29 and a contact IIP to a further port connection. The positive input of the puncture amplifier 15 is connected to a port connection via a resistor R33 and a contact IIP, via the resistor R34 and a contact! IP to another port connection, via the resistor R35 and a contact NS to the connection D and via the resistor R'36 and a contact HS to the connection P. The plus input of the amplifier 15 is also connected via the resistor RiJO to a voltage input -15V and via a resistor R ¹ II to a voltage input -OV. The functional amplifier 15 is coupled to a voltage input OV via a capacitor ClO. Furthermore, the feed input of the functional amplifier 15 is coupled to the negative input of the functional amplifier I ^ via the resistor R32, the contact MS and a resistor R23. The negative input of the puncture amplifier Ik is coupled to the output of this amplifier via a resistor R2S and to the ilinus input of the puncture amplifier 15 ^{via a resistor R2 i} i _{> d.en contact IIP and the resistor R30.} The positive input of the functional amplifier Ik is coupled to the connection B via a resistor R25, to a port connection via the resistor K2o and to a voltage input OV via a V / resistor R27. The functional amplifier 1 * 1 is connected to a voltage input OV via a capacitor C9. On the indicators 29 and 30, by means of the circles ₃ described in connection with this, mainly the function amplifier 14 and 15, the difference between the control value indicated by the potentiometers P50 and P5I and the position prevailing during the changeover in relation to the indicators 29 and 30 is anc » be £ tv / earth, whereby a changeover of the system from automatic operation to manual operation is practically completely bumpless.

You can use the combustion controller described above

blocks 13 and Ik can also be connected. These are used to sense the level of oxygen combustion reached and for actuation

the air valve operating level according to the measured oxygen
The blocks 13 and Ik are shown in more detail in FIG. 7 and are connected to the rest of the circuit by means of the switch S3. The circuit shown in FIG. - ■■ '-

*> l | 0, which is a sum of the sensed degree of oxygen combustion » tional output sj-gnal, emits. Ue'oer, the connections of the liessunwand-> ** lers are a Zener diode 58 and one with this Darällelr.switched

PK'S ^ tO

Resistor R89 switched on. One connection of the measuring transducer is also connected to a voltage input; OV connected, while its other connection is connected via a resistor R92 to the negative input of a puncture amplifier I53, which is coupled as an integrating amplifier. The negative input of the functional amplifier is also coupled via a resistor R91 to a sliding contact of a potentiometer P53, one terminal of which is coupled to a voltage input OV and the other terminal of which is coupled via a resistor R90 to a voltage input + 15V. The functional amplifier I53 is connected to a voltage input OV via a capacitor C57, the connection of this capacitor facing away from the voltage input being connected to the output of the amplifier via a resistor R106. The output of the amplifier f is also connected to the linear input of the amplifier via a capacitor C56 connected in parallel with a Zener diode Z57. This ilinus input is also connected to the output via a resistor R93 and the switch S3. The output signal from the amplifier is passed through a resistor R6S to the positive input of the functional amplifier 151 and through a resistor R63 to the linear input of this functional amplifier. In this way the signal from the circuit shown in Fig. 7 will affect the setting of the air valve β.

Because the two Ilessur.transducers 2 3 and 31 are not linear

the circle shown in FIG. 3 must be illustrated in that in FIG. 8 May be changed. For example, if the air pressure transducer 31 is not linear, it will be compared to that shown in FIG. 8 as Differential amplifier coupled functional amplifier 152 connected to the puncture amplifier I5I, preferring the connections to the 3I transducers are a Zener diode Z56 and parallel to it two series-connected resistors Ru2 and R83 switched on. One connection to the transducer is with a voltage input OV and the other connection via a resistor R80 to the line input of the functional amplifier I52 coupled. The plus input of the functional amplifier I52 is via a resistor RG1 with a Zero voltage input coupled, while the actual functional ^ amplifier via a capacitor C55 with a zero voltage input «O OV is coupled, with the side facing away from: voltage input .ρ * of this capacitor via a resistor RIO5 rait the output of the * ^ ■ Function amplifier I52 is coupled. When the one shown in FIG Circuit is to be switched on in the circuit shown in Fig. 3, o> . .

• p * becomes the output of the α function amplifier 152 to the connection -j ■ - ·

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Iu 2 an, c; e s cn 1 ο s

connected between resistor R77 and relay contact RE2.

The connections marked with A on the drawing

are switched on in a monitoring device with alarm devices, v / immediately calibrate a fault in one of the outer circles of the actuators and Iess converter displays.

BADORiGlNAL, ^

Claims (1)

A T E N T A N S P R Π C II E 1 / Combustion regulator for steam boilers, preferably Ship steam boiler, with one or more burners, to which a fuel oil valve with a first operating circuit and a heating oil pressure transmitter and an air valve with a second operating circuit and an air pressure transmitter are assigned, characterized in that a steam pressure transducer (18) and a Darupfdruckbedarfssigna.lgeber (20) to a integrating circuit (23) are connected, that the output of the integrating circuit is connected to an input of a differential connected amplifier stage contained in the first operating circuit (10) (15O), the output of which with one contained in the first operating circuit (10) Actuator (9) is coupled, and to an input of a P contained in the second operating circuit (12), differential switched Amplifier stage (151) is connected, the output of which is connected to an im second operating circuit (12) contained actuator (11) is coupled, and that the input of the amplifier stage of the first operating circuit to the heating oil pressure transmitter (7) and the input of the amplifier stage of the second operating circuit (12) to the air pressure transmitter (3) and the heating oil pressure transmitter (7) are connected. 2. Combustion regulator according to claim 1, characterized characterized in that the Daripfdruckbedarfssignalgeber (20) via a differential switched amplifier stage (II) to the integrating Circuit (23) is connected. 3 · Combustion regulator according to claim 1 and 2, da- ^ 'characterized in that the input of the integrating circuit (23) is connected to a quick switch-off device (22), which sets the controller to zero and consists of two RC lines (RIO, C2, Rl7, C 10, ^one of which (R17, C ^f l) in the feedback circuit of the integrating circuit (23) is switched on, while the other (RIO, C2) between the differential connected amplifier stage (H) and the input of the integrating circuit is switched on. 4. Combustion regulator according to one of the preceding claims, characterized in that the differential switched to amplifier stages from differential amplifiers connected point cd t ion amplifiers (H, ISO, I5I) and the integrating circuit (23) ^ 'from a.! Integrator-switched function amplifier (12) exist. 5 · Combustion regulator according to claim 1 and '!, Dao characterized by> that the input of the puncture amplifier ^ (ISO) of the first operating circuit via a Zener diode (251) nit the input of the actuator (11) of the second operating circuit BATH ORIGINAL is bound. β. Combustion regulator according to claim 1 and *! ₃ characterized in that the input of the function amplifier (151) of the second operating circuit is connected to the input of the actuator (9) of the first operating circuit via an RC-IIetz (Ro9, 05 * 0). 7 · Combustion regulator according to claim 1 and * i, characterized characterized j that the input of the functional amplifier (151) of the second operating circuit to the output of a device (1 * 1) for sensing the oxygen content in the escaping flue gases is connected, causing the air valve to supply oxygen accordingly degree of combustion is actuated. 8. Combustion regulator according to claim 7, characterized in that the device (I ¹ O from a integratorge- | is switched operational amplifier (153), in the jerk coupling circuit comprises a Zener diode (Z57) for limiting the action of the outgoing from the amplifier (153) signal on aen Funktionsv'erstärker (153 ) of the second operating group is included. 9. Combustion regulator according to claim 1 and ¹ I, characterized in that a transistor amplifier stage (T50, T51) is provided between the outputs of the functional amplifiers (ISO, 151) contained in the operating circuits and the actuators (9, 11) of the operating circuits. 10. Combustion regulator according to one of the preceding claims, characterized in that the operating circuits One control circuit each (P50, P51) to operate the combustion controller are assigned by hand, and that the control circuits are differential-switched via εν / ei Function amplifier (3 * !, 35) to the input of the integrating Circle '(23) are connected, the output of a puncture amplifier (35) to Ilessglieder and the output of the other function amplifier (3 * 0 via a V / resistor (RI6) to the Input of the integrating circuit is connected. 11. Combustion regulator according to claim 10, characterized in that the one input of the functional amplifier to the • Input of the control circuits (P50, P5D and the other input to the co. ■ _{o The} output of the control circuit is connected, v.'elche during the switch to manual mode via the actuators (9, 11) of the operating ***. circuits switched on v: earth. "- * ^. 12. Yerb. Separation 3re, ~ after one of the previous Year ₅ going. Claims ₃ characterized in that the input of the * "* int; V, rieren £ o: i -" eiscs. (. ?? ·} to a v-other integrating ■ r> m f; BATH ORIGINAL (13) connected to earth, which has a certain heating oil requirement and simulates a certain steam requirement. 13. Combustion regulator according to claim 1, characterized characterized > that the output of the integrating circuit (23) is connected to the input of a correlator-switched puncture amplifier (15'O, the output of which is connected via a transistor amplifier / stage (T5 * 0) to a relay (Re3 (i |)) for igniting and stopping one or more burners is connected. I ¹ I. Combustion regulator according to claim 1, characterized characterized in that the output of the integrating circuit (23) is on a transistor amplifier stage (Tl) for controlling an actuator (50) is connected to which a steam outlet valve is arranged. O CO OO BAO ORIGINAL , ⁴ ^ ■ Empty soap