CN104883001A - Heat inductance coke oven waste heat recovery power generating system based on boost power circuit - Google Patents
Heat inductance coke oven waste heat recovery power generating system based on boost power circuit Download PDFInfo
- Publication number
- CN104883001A CN104883001A CN201510249598.2A CN201510249598A CN104883001A CN 104883001 A CN104883001 A CN 104883001A CN 201510249598 A CN201510249598 A CN 201510249598A CN 104883001 A CN104883001 A CN 104883001A
- Authority
- CN
- China
- Prior art keywords
- triode
- pole
- electric capacity
- diode
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Rectifiers (AREA)
Abstract
The invention discloses a heat inductance coke oven waste heat recovery power generating system based on a boost power circuit. The power generation system is mainly composed of coke oven top hole and oven top quarry tiles arranged on the top surface. A porose steel board, a heat insulation board layer and a porose steel board disposed from bottom up successively in the coke oven top hole. A thermal insulation tile layer arranged between the porose steel board and the heat insulation board layer is formed by filling inner gaps of the coke oven top hole with heat-resisting sealing slurry. A heat exchanger and an evaporator forming a closed circuit are arranged outside the coke oven top hole. The evaporator is also provided with a waste heat power generating system. A waste heat control circuit is arranged in the waste heat power generating system. The waste heat control circuit is provided with a heat induction automatic switching circuit, and an over-current protection circuit, a control power circuit, the boost power circuit and the control output circuit connected together successively.
Description
Technical field
The present invention relates to a kind of afterheat generating system, specifically, relate to the hotness Formed Coke Furnace waste heat recovery generating system based on booster power supply circuit.
Background technology
Coke oven is also called coke oven, it is a kind of stove be built into by refractory brick and refractory block, for making coal carbonization to produce the main Thermal Equipment of coke, and modern coke oven refers to production metallurgy burnt for main purpose, the horizontal-chamber type coke oven that can reclaim coking chemistry product, it is formed primarily of body of heater and auxiliary device.
Because coke oven is produced, existing coke oven surface temperature is higher, and its furnace top surface temperature, at about 90 DEG C, accounts for more than 8% of coke oven total heat consumption.At present, following defect is all mainly there is in the world: one with domestic all coke ovens, owing to all there is no suitable recovery technology with the domestic surface radiating waste heat to coke oven in the world, simultaneously because oven top of coke oven needs long-term walking arrangement and operative employee, so cannot outside wall heat preservation be implemented, therefore the waste of the energy is not only caused, but also because the high temperature on body of heater surface causes the security incident of operator often; Its two, because coke oven top surface temperature is very high, therefore easily causes protecting coke oven tie rod Yin Gaowen and corrode.
In order to solve the problem, at present in Industrial Stoves field, devise a residual neat recovering system, although recycling can be carried out to the waste heat of part, but still waste a large amount of heat wastes, can not meet now in the world to the demand of coke oven energy-saving and emission-reduction.
In sum, there is great energy waste in current blast fumance, how fully effectively to utilize the waste heat slatterned in blast furnace production process, can secondary recycling be the difficult problem that people will capture.
Summary of the invention
The object of the invention is to overcome current people cannot fully coke oven be produced in the furnace roof waste heat that produce to carry out the defect of full use, provide a kind of hotness Formed Coke Furnace waste heat recovery generating system based on booster power supply circuit.
To achieve these goals, the present invention realizes by the following technical solutions:
Based on the hotness Formed Coke Furnace waste heat recovery generating system of booster power supply circuit, primarily of oven top of coke oven hollow place and the furnace roof clinker tile composition covering its top surface, the porose steel plate set gradually from bottom to up in the inside of oven top of coke oven hollow place, thermal baffle layer and porose steel plate, the insulating brick-layer arranged between porose steel plate and thermal baffle layer is filled out at the internal interstices place of oven top of coke oven hollow place and is filled with temperature resistant encapsulation slurry and form, the heat exchanger and evaporator that form loop is had in oven top of coke oven hollow place outer setting, heat exchanger is by the pedestal of cement production systD, and at the heat exchange heat pipe composition that this base interior is helically coiled or serpentine coils, and also fin is provided with on the surface of this heat exchange heat pipe, the two ends of this heat exchange heat pipe are then connected with downcomer with the riser of evaporator respectively, to have surplus heat electricity generation system in evaporator arranged outside, and this afterheat generating system is by generator, the steam turbine be connected with generator, be connected with heat exchanger and penetrate vapour booster for pushing turbine wheel rotation, and the waste heat control circuit to be connected with steam turbine forms, be provided with in this waste heat control circuit hotness automatic switching circuit with the circuit overcurrent protection be connected successively, control formula power circuit, booster power supply circuit and the formula of control output circuit, hotness automatic switching circuit is by time-base circuit IC301, triode VT301, triode VT302, triode VT303, positive pole is connected with the base stage of triode VT301, the electric capacity C302 of minus earth, N pole is connected with the positive pole of electric capacity C302, the diode D302 that P pole is connected with the negative pole of electric capacity C302 after diode D301, the relay switch K301-1 that one end is connected with the P pole of diode D302 after electric capacity C301, be connected in parallel on the resistance R301 on electric capacity C301, one end is connected with the base stage of triode VT301, the resistance R304 that the other end is connected with the collector electrode of triode VT302, be connected in parallel on the electric capacity C303 on resistance R304, one end is connected with the base stage of triode VT302, the resistance R303 that the other end is connected with the collector electrode of triode VT303, P pole is connected with the emitter of triode VT301, the diode D303 that N pole is connected with the emitter of triode VT303, one end is connected with the P pole of diode D303, the resistance R302 of other end ground connection, N pole is connected with the pin 3 of time-base circuit IC301, the diode D304 that O pole is connected with the base stage of triode VT303, be connected in parallel on the relay K 301 on diode D304, positive pole is connected with the pin 5 of time-base circuit IC301, the electric capacity C304 that negative pole is connected with the P pole of diode D304, one end is connected with the pin 8 of time-base circuit, the thermistor RT301 that the other end is connected with the pin 6 of time-base circuit, positive pole is connected with the pin 6 of time circuit, the electric capacity C305 that negative pole is connected with the negative pole of electric capacity C304, and one end is connected with the positive pole of electric capacity C305, the slide rheostat RP301 that the other end is connected with the negative pole of electric capacity C305 forms, wherein, the base stage of triode VT301 is connected with the pin 8 of time-base circuit IC301, pin 4 simultaneously, the collector electrode of triode VT301 is connected with the collector electrode of triode VT302, the emitter of triode VT302 is connected with the base stage of triode VT303, the P pole ground connection of diode D304, pin 1 ground connection of time-base circuit IC301, the positive pole of electric capacity C305 is connected with the pin 2 of time-base circuit IC301.
Wherein, circuit overcurrent protection is by triode VT001, triode VT002, triode VT003, triode VT004, triode VT005, triode VT006, one end is connected with the collector electrode of triode VT001, the resistance R001 that the other end is connected with the base stage of triode VT002, P pole is connected with the collector electrode of triode VT002, the diode D001 that N pole is connected with the emitter of triode VT002, negative pole is connected with the emitter of triode VT005, the electric capacity C001 that positive pole is connected with the base stage of triode VT005, one end is connected with the positive pole of electric capacity C001, the resistance R004 that the other end is connected with the collector electrode of triode VT004, negative pole is connected with the collector electrode of triode CT004, the electric capacity C002 that positive pole is connected with the base stage of triode VT006, one end is connected with the base stage of triode VT001, the resistance R003 that the other end is connected with the base stage of triode VT006, P pole is connected with the base stage of triode VT001, the diode D002 that N pole is connected with the collector electrode of triode VT006, one end is connected with the emitter of triode VT001, the resistance R002 that the other end is connected with the emitter of triode VT006, one end is connected with the base stage of triode VT006, the other end is connected with the emitter of triode VT006, and the slide rheostat RP001 that sliding contact is connected with the base stage of triode VT003, and one end is connected with the emitter of triode VT006, the other end is connected with triode VT005, and the slide rheostat RP002 that sliding contact is connected with the negative pole of electric capacity C002 forms, wherein, the collector electrode of triode VT001 is connected with the collector electrode of triode VT002, the base stage of triode VT002 is connected with the collector electrode of triode VT005, the emitter of triode VT002 is connected with the emitter of triode VT003 and the base stage of triode VT001 simultaneously, and the collector electrode of triode VT003 is connected with the base stage of triode VT005 and the emitter of triode VT004 simultaneously.
As preferably, booster power supply circuit is by diode bridge rectifier U1, triode VT3, triode VT4, triode VT5, triode VT6, positive pole is connected with the positive output end of diode bridge rectifier U1, the electric capacity C4 that negative pole is connected with the negative output terminal of diode bridge rectifier U1, one end is connected with the negative pole of electric capacity C4, the resistance R5 that the other end is connected with the base stage of triode VT3, positive pole is connected with the base stage of triode VT3, negative pole is in turn through resistance R7, the electric capacity C6 be connected with the emitter of triode VT3 after inductance L 1, positive pole is connected with electric capacity C4 negative pole, the electric capacity C5 that negative pole is connected with the emitter of triode VT4, N pole is connected with the base stage of triode VT3, the diode D5 that P pole is connected with the negative pole of electric capacity C5, be serially connected in the resistance R6 between the base stage of triode VT4 and collector electrode, P pole is connected with the collector electrode of triode VT4, the diode D6 that N pole is connected with the base stage of triode VT5, one end is connected on the emitter of triode VT5, the resistance R8 that the N that the other end is connected to diode D6 extremely goes up, one end is connected with the P pole of diode D6, the resistance R9 that the other end is connected with the emitter of triode VT6, P pole is connected with the tie point of inductance L 1 with resistance R7, the diode D7 that N pole is connected with the emitter of triode VT5, and positive pole is connected with the N pole of diode D7, the electric capacity C7 that negative pole is connected with the P pole of diode D6 forms, wherein, the positive pole of electric capacity C4 is also connected with the emitter of triode VT3, the negative pole of electric capacity C6 is connected with the collector electrode of triode VT6, the collector electrode of triode VT3 is connected with the base stage of triode VT6, the base stage of triode VT4 is connected with electric capacity C5, the collector electrode of triode VT5 is connected with the negative pole of electric capacity C5, and the negative pole of electric capacity C6 is connected with the collector electrode of triode VT6.
Further, above-mentioned control formula power circuit is by mains switch, triode VT1, transformer T1, P pole is connected with the collector electrode of triode VT1, N pole is sequentially through diode D1, the diode D2 be connected with the emitter of triode VT1 after resistance R1, the relay K be in parallel with diode D2, positive pole is connected with the N pole of diode D2, the electric capacity C2 that negative pole is connected with the base stage of triode VT1 after resistance R2, and positive pole is connected with the Same Name of Ends of the secondary coil of transformer T1, and the electric capacity C1 that negative pole is connected with the non-same polarity of this secondary coil forms, the P pole of described diode D1 is connected with the positive pole of electric capacity C1, and the emitter of triode VT1 is then connected with the negative pole of electric capacity C1, described mains switch is by button S, and the normally-closed contact K-1 of the relay K in parallel with this button S-phase forms, the Same Name of Ends of the primary coil of transformer T1 is connected with one end of button S, and the non-same polarity of the primary coil of transformer T1 then forms the input of external power source together with the other end of button S, the negative pole of electric capacity C1 and the positive pole of electric capacity C2 are connected on two inputs of diode bridge rectifier U1, the non-same polarity of transformer T1 is connected with the emitter of triode VT006, and the Same Name of Ends of transformer T1 is connected through the negative pole of mains switch with electric capacity C001.
Further, above-mentioned control formula output circuit is by triode VT2, one end is connected with the emitter of triode VT2, the resistance R3 of other end ground connection after slide rheostat RP1, the electric capacity C3 that negative pole is connected with the tie point of slide rheostat RP1 with resistance R3, positive pole is connected with the positive pole of electric capacity C2, and the diode D3 that P pole is connected with the emitter of triode VT2, N pole is connected with the base stage of triode VT2 in turn after diode D4, resistance R4 forms; The collector electrode of described triode VT2 is connected with the negative pole of electric capacity C2; The emitter of triode VT2 is connected with the positive pole of electric capacity C7, and the negative pole of electric capacity C3 is connected with the negative pole of electric capacity C7.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) the present invention's design is very reasonable, and not only structure is simple, well arranged, realization is convenient, automaticity is high, and can also effectively reduce manual adjustment error, can effectively reduce human cost.Meanwhile, the present invention need not arrange cooling tower more separately, not only can effective saves energy, also can reduce cooling water amount simultaneously, reduce operating cost.
(2) the present invention concentrates the hot water after deriving heat exchange by the superconduction ring-like heat exchange ring be embedded on furnace body sidewall and the ring-like pipe-line system corresponded, therefore increase heat transfer intensity, improve heat exchange efficiency and cooling effectiveness, and make traditional cooling water temperature bring up to 250 DEG C from 40 DEG C, thus make the utilization of the heat of cooling become possibility.
(3) pipeline that the present invention is arranged on outside furnace body cooling system furnace wall decreases nearly 90% than traditional cooling system pipeline, and the quantity of furnace shell perforate also only has 2 ~ 5% of traditional process for cooling the number of openings, not only effectively reduce thermal loss, and be conducive to the insulation of blast furnace furnace wall, thus revolutionize the present situation that high stove outer covering cannot carry out being incubated, inherently improve furnace wall heat radiation.
(4) the present invention is provided with belt fin and paraffin paper at the outer wall of superconduction ring-like heat exchange ring, therefore the carburization phenomena of the ring-like heat exchange ring of superconduction can be reduced, the charcoal infiltration of more than 75% can be stopped again, thus effectively reduce cooling pipe ooze charcoal embrittlement, make improve more than twice its useful life.Meanwhile, due to the use of belt fin, blast furnace lining scour resistance of the present invention is made to improve more than 5 times than existing system.
(6) the present invention can utilize the heat producing steam in next life produced in blast furnace production process fully, and then while realizing energy-conserving and environment-protective, make blast furnace cooling residual heat be utilized effectively.Simultaneously, the electricity generation system that the present invention adopts, supporting utilizing waste heat for refrigeration unit and associated couplings method effectively raise residual heat generating efficiency, blast furnace water-cooling utilization rate of waste heat is brought up to about 90%, count traditional cooling tower energy consumption in, residual heat generating efficiency of the present invention is more than doubled, and improves the UTILIZATION OF VESIDUAL HEAT IN level of whole blast furnace ironmaking industry.
(7) the present invention is provided with the waste heat control treatment system of innovation in utilizing waste heat for refrigeration unit inside, can guarantee the stable operation of whole utilizing waste heat for refrigeration unit, can guarantee that the utilization rate of waste heat of this utilizing waste heat for refrigeration unit reaches more than 90%.
(8) the present invention is provided with afterheat generating system, the waste heat that evaporator is produced when carrying out temperature exchange carries out gas-to electricity by afterheat generating system, better make use of waste heat, avoid the waste of heat, improve the utilance of the energy, and then save the production cost of enterprise.
(9) the present invention is provided with waste heat control circuit in afterheat generating system, also be provided with booster power supply circuit in this waste heat control circuit, promote the voltage in circuit, to meet the demand of circuit to voltage, avoid the circuit malfunction that brownout causes, promote that circuit better runs.
(10) the present invention is provided with circuit overcurrent protection; by controlling the electric current of process, avoiding electric current to exceed the maximum load value of whole circuit, avoiding circuit and damage in high electric current; better protect the normal use of circuit, improve the useful life of product.
(11) the present invention is provided with hotness automatic switching circuit in afterheat generating system, can be communicated with or open circuit according to the heat condition of reality, make system cloud gray model more intelligent, the system that avoids power consumption when shortage of heat runs, thus reduces the burden of enterprise.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is ring-like pipeline system configuration schematic diagram of the present invention.
Fig. 3 is the part section structural representation shown in Fig. 2.
Fig. 4 is waste heat control treatment circuit system structural representation of the present invention.
Fig. 5 is the circuit diagram of waste heat control circuit of the present invention.
Fig. 6 is the circuit diagram of booster power supply circuit of the present invention.
Fig. 7 is the circuit diagram of circuit overcurrent protection of the present invention.
Fig. 8 is the circuit diagram of hotness automatic switching circuit of the present invention.
Wherein, the Reference numeral title in accompanying drawing is respectively:
1-oven top of coke oven hollow place, 2-furnace roof clinker tile, the porose steel plate of 3-, 4-thermal baffle layer, 5-temperature resistant encapsulation slurry, 6-insulating brick-layer, 7-atresia steel plate, 8-heat exchanger, 9-evaporator, 10-pedestal, 11-heat exchange heat pipe, 12-fin, 13-base.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in figures 1-4, oven top of coke oven hollow place 1 of the present invention is piled up by fragment of brick or cement etc. and is formed, the cross section of its internal cavities is inverted trapezoidal shape, namely the bottom width of this oven top of coke oven hollow place 1 is less than its top width, the bottom of oven top of coke oven hollow place 1 is then the base 13 of oven top of coke oven hollow place 1, is also provided with special heat exchanger system and atresia steel plate 7 in this oven top of coke oven hollow place 1 inside.
Effectively can be incubated in order to ensure the present invention, stop defects such as smoldering, burn with anger, therefore be provided with porose steel plate 3, thermal baffle layer 4, porose steel plate 3 and furnace roof clinker tile 2 from bottom to up successively at the cavity inside of this oven top of coke oven hollow place 1.Due to when laying, between not only described porose steel plate 3 and thermal baffle layer 4, between thermal baffle layer 4 and porose steel plate 3, between porose steel plate 3 and furnace roof clinker tile 2, there is gap, and also have gap between these porose steel plate 3 and inwalls of thermal baffle layer 4 and oven top of coke oven hollow place 1, therefore, the present invention must fill with at these gap places and fill out temperature resistant encapsulation slurry 5, to guarantee that oven top of coke oven hollow place 1 inside is the entirety of a sealing.
According to actual demand during construction, the present invention also in the inside of oven top of coke oven hollow place 1, can also lay one layer of heat preservation brick layer 6 between porose steel plate 3 and thermal baffle layer 4.Correspondingly, its gap each other also needs filling to fill out temperature resistant encapsulation slurry 5.
The KP1 that temperature resistant encapsulation slurry 5 of the present invention is preferentially 5% ~ 10% by refractory wass and concentration mixes, described thermal baffle layer 4 is that the thermal insulation board monoblock being 100mm by two layers of thickness is built by laying bricks or stones and formed, or sting block to form, the aperture of described porose steel plate 3 is then preferentially made into 60mm.
The present invention is provided with heat exchanger system, atresia steel plate 7, thermal baffle layer 4, porose steel plate 3 and furnace roof clinker tile 2 from bottom to up successively in the inside of oven top of coke oven hollow place 1, and the plane of this furnace roof clinker tile 2 will with the plane of oven top of coke oven hollow place 1 in same level.
Described heat exchanger system is then made up of the heat exchanger 8 between the base 13 being arranged on atresia steel plate 7 and oven top of coke oven hollow place 1 and the evaporator 9 that is arranged on oven top of coke oven hollow place 1 outside.Heat exchanger 8 of the present invention is different with traditional heat exchanger structure, and it is the pedestal 10 made by cement, and the heat exchange heat pipe 11 of the inside being arranged on this pedestal 10 is formed.
In order to ensure result of use, this heat exchange heat pipe 11 is that serpentine is arranged in the inside of pedestal 10, or arranges twist, and this heat exchange heat pipe 11 is only provided with one deck in the inside of pedestal 10.The two ends of this heat exchange heat pipe 11 then respectively introduction pipe be connected with downcomer with the riser of evaporator 9, namely make between evaporator 9 and heat exchanger 8, to form a circulation circuit sealed.Meanwhile, this heat exchange heat pipe 11 is also provided with fin 12, to guarantee further to improve its heat transfer rate.
In like manner, the present embodiment not only between pedestal 10 and base 13, fill with between atresia steel plate 7 and pedestal 10, between thermal baffle layer 4 and atresia steel plate 7, between porose steel plate 3 and thermal baffle layer 4 and between furnace roof clinker tile 2 and porose steel plate 3 and be filled with temperature resistant encapsulation slurry 5, and at pedestal 10, atresia steel plate 7, thermal baffle layer 4, also fill with between porose steel plate 3 and the inwall of oven top of coke oven hollow place 1 and be filled with temperature resistant encapsulation slurry 5, namely make the inside of whole oven top of coke oven hollow place 1 become as a whole by this temperature resistant encapsulation slurry 5.
Because coke oven is a large-scale body of heater, the quantity of the oven top of coke oven hollow place 1 arranged at its top can reach tens, even up to a hundred, but when constructing, the inside of each oven top of coke oven hollow place 1 only arranges a heat exchanger 8, and an evaporator 9 is also only set in the outside of oven top of coke oven hollow place 1, all heat exchangers 8 are all connected with this evaporator 9 by pipeline.
In order to ensure result of use, the closed circuit that this heat exchanger 8 and evaporator 9 are formed needs to be in vacuum state, namely the pipe interior that described heat exchange heat pipe 11 is connected with evaporator 9 is vacuum state, and is also provided with in its pipeline closed for participating in the circulation fluid circulated.The volume of this circulation fluid can regulate according to the difference in summer and winter, thus guarantees its heat exchange efficiency.
Described evaporator 9 has four mouths of pipe, i.e. downcomer, riser, water inlet and venthole, heat exchange heat pipe 11 in downcomer and riser and pedestal 10 forms the circulation line closed, and what then formed between water inlet and venthole is open circulation line.During use, circulation fluid absorbs heat energy and becomes steam from oven top of coke oven hollow place 1, then the riser place of evaporator 9 is flow to, steam is formed after then carrying out heat exchange with this high-temperature steam from the water source that water inlet enters evaporator 9 inside, then emit from venthole, and the circulation fluid in pipeline becomes liquid after release heat energy, flow back to heat exchanger 8 from downcomer inner, again participate in circulation.
As viewed in figures 5-8, to have surplus heat electricity generation system in evaporator arranged outside, and this afterheat generating system is by generator, the steam turbine be connected with generator, be connected with heat exchanger and penetrate vapour booster for pushing turbine wheel rotation, the waste heat that evaporator is produced when carrying out temperature exchange carries out gas-to electricity by afterheat generating system, waste heat control circuit is provided with in afterheat generating system, hotness automatic switching circuit and the circuit overcurrent protection be connected successively is provided with in this waste heat control circuit, control formula power circuit, booster power supply circuit and the formula of control output circuit.
Hotness automatic switching circuit by time-base circuit IC301, triode VT301, triode VT302, triode VT303, resistance R301, resistance R302, resistance R303, resistance R304, electric capacity C301, electric capacity C302, electric capacity C303, electric capacity C304, electric capacity C305, diode D301, diode D302, diode D303, diode D304, relay K 301, relay switch K301-1, thermistor RT301, slide rheostat RP301 form.During connection, the positive pole of electric capacity C302 is connected with the base stage of triode VT301, minus earth, the N pole of diode D302 is connected with the positive pole of electric capacity C302, P pole is connected with the negative pole of electric capacity C302 after diode D301, the relay switch K301-1 that one end of resistance R301 is connected with the P pole of diode D302 after electric capacity C301, be connected in parallel on electric capacity C301, one end of resistance R304 is connected with the base stage of triode VT301, the other end is connected with the collector electrode of triode VT302, electric capacity C303 is connected in parallel on resistance R304, one end of resistance R303 is connected with the base stage of triode VT302, the other end is connected with the collector electrode of triode VT303, the P pole of diode D303 is connected with the emitter of triode VT301, N pole is connected with the emitter of triode VT303, one end of resistance R302 is connected with the P pole of diode D303, other end ground connection, the N pole of diode D304 is connected with the pin 3 of time-base circuit IC301, O pole is connected with the base stage of triode VT303, relay K 301 is connected in parallel on diode D304, the positive pole of electric capacity C304 is connected with the pin 5 of time-base circuit IC301, negative pole is connected with the P pole of diode D304, one end of thermistor RT301 is connected with the pin 8 of time-base circuit, the other end is connected with the pin 6 of time-base circuit, the positive pole of electric capacity C305 is connected with the pin 6 of time circuit, negative pole is connected with the negative pole of electric capacity C304, one end of slide rheostat RP301 is connected with the positive pole of electric capacity C305, the other end is connected with the negative pole of electric capacity C305, wherein, the base stage of triode VT301 is connected with the pin 8 of time-base circuit IC301, pin 4 simultaneously, the collector electrode of triode VT301 is connected with the collector electrode of triode VT302, the emitter of triode VT302 is connected with the base stage of triode VT303, the P pole ground connection of diode D304, pin 1 ground connection of time-base circuit IC301, the positive pole of electric capacity C305 is connected with the pin 2 of time-base circuit IC301.When temperature is at low temperature, internal resistance is very little, makes the pin 2 of time-base circuit IC301, pin 6 in high level, then pin 3 output low level of time-base circuit IC301, and relay K 301, without electricity, is often opened K301-1 and disconnected, thus waste heat control circuit is not powered.When the temperature increases, thermistor heated resistance raises, and pin 2, the pin 6 of time-base circuit IC301 are low level, then the pin 3 of time-base circuit IC301 exports high level, the coil of relay K 301 adds and powers on, and it is often opened electric shock K301-1 and closes, thus the whole waste heat control circuit of conducting.This hotness automatic switching circuit can be communicated with or open circuit according to the heat condition of reality, makes system cloud gray model more intelligent, and the system that avoids power consumption when shortage of heat runs, thus reduces the burden of enterprise.
Circuit overcurrent protection by triode VT001, triode VT002, triode VT003; triode VT004, triode VT005, triode VT006; resistance R001, resistance R002, resistance R003; resistance R004, slide rheostat RP001, slide rheostat RP002; diode D001; diode D002, electric capacity C001, electric capacity C002 form.During connection, one end of resistance R001 is connected with the collector electrode of triode VT001, the other end is connected with the base stage of triode VT002, the P pole of diode D001 is connected with the collector electrode of triode VT002, N pole is connected with the emitter of triode VT002, the negative pole of electric capacity C001 is connected with the emitter of triode VT005, positive pole is connected with the base stage of triode VT005, one end of resistance R004 is connected with the positive pole of electric capacity C001, the other end is connected with the collector electrode of triode VT004, the negative pole of electric capacity C002 is connected with the collector electrode of triode CT004, positive pole is connected with the base stage of triode VT006, one end of resistance R003 is connected with the base stage of triode VT001, the other end is connected with the base stage of triode VT006, the P pole of diode D002 is connected with the base stage of triode VT001, N pole is connected with the collector electrode of triode VT006, one end of resistance R002 is connected with the emitter of triode VT001, the other end is connected with the emitter of triode VT006, one end of slide rheostat RP001 is connected with the base stage of triode VT006, the other end is connected with the emitter of triode VT006, and sliding contact is connected with the base stage of triode VT003, one end of slide rheostat RP002 is connected with the emitter of triode VT006, the other end is connected with triode VT005, and sliding contact is connected with the negative pole of electric capacity C002, wherein, the collector electrode of triode VT001 is connected with the collector electrode of triode VT002, the base stage of triode VT002 is connected with the collector electrode of triode VT005, the emitter of triode VT002 is connected with the emitter of triode VT003 and the base stage of triode VT001 simultaneously, and the collector electrode of triode VT003 is connected with the base stage of triode VT005 and the emitter of triode VT004 simultaneously.This circuit overcurrent protection, by controlling the electric current of process, is avoided electric current to exceed the maximum load value of whole circuit, is avoided circuit and damage in high electric current, better protect the normal use of circuit, improve the useful life of product.
Booster power supply circuit by diode bridge rectifier U1, triode VT3, triode VT4, triode VT5, triode VT6, inductance L 1, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, diode D5, diode D6, diode D7 form.During connection, the positive pole of electric capacity C4 is connected with the positive output end of diode bridge rectifier U1, negative pole is connected with the negative output terminal of diode bridge rectifier U1, one end of resistance R5 is connected with the negative pole of electric capacity C4, the other end is connected with the base stage of triode VT3, the positive pole of electric capacity C6 is connected with the base stage of triode VT3, negative pole is in turn through resistance R7, be connected with the emitter of triode VT3 after inductance L 1, the positive pole of electric capacity C5 is connected with electric capacity C4 negative pole, negative pole is connected with the emitter of triode VT4, the N pole of diode D5 is connected with the base stage of triode VT3, P pole is connected with the negative pole of electric capacity C5, between the base stage that resistance R6 is serially connected in triode VT4 and collector electrode, the P pole of diode D6 is connected with the collector electrode of triode VT4, N pole is connected with the base stage of triode VT5, one end of resistance R8 is connected on the emitter of triode VT5, the N that the other end is connected to diode D6 extremely goes up, one end of resistance R9 is connected with the P pole of diode D6, the other end is connected with the emitter of triode VT6, the P pole of diode D7 is connected with the tie point of inductance L 1 with resistance R7, N pole is connected with the emitter of triode VT5, the positive pole of electric capacity C7 is connected with the N pole of diode D7, negative pole is connected with the P pole of diode D6, wherein, the positive pole of electric capacity C4 is also connected with the emitter of triode VT3, the negative pole of electric capacity C6 is connected with the collector electrode of triode VT6, the collector electrode of triode VT3 is connected with the base stage of triode VT6, the base stage of triode VT4 is connected with electric capacity C5, the collector electrode of triode VT5 is connected with the negative pole of electric capacity C5, and the negative pole of electric capacity C6 is connected with the collector electrode of triode VT6.This booster power supply circuit, promotes the voltage in circuit, to meet the demand of circuit to voltage, avoids the circuit malfunction that brownout causes, and promotes that circuit better runs.
Control formula power circuit is by mains switch, and triode VT1, transformer T1, electric capacity C1, electric capacity C2, diode D1, diode D2, resistance R1, resistance R2, relay K forms.During connection, the P pole of diode D2 is connected with the collector electrode of triode VT1, N pole is connected with the emitter of triode VT1 sequentially through after diode D1, resistance R1, relay K and diode D2 are in parallel, the positive pole of electric capacity C2 is connected with the N pole of diode D2, negative pole is connected with the base stage of triode VT1 after resistance R2, and the positive pole of electric capacity C1 is connected with the Same Name of Ends of the secondary coil of transformer T1 and negative pole is connected with the non-same polarity of this secondary coil; The P pole of described diode D1 is connected with the positive pole of electric capacity C1, and the emitter of triode VT1 is then connected with the negative pole of electric capacity C1; Described mains switch is by button S, and the normally-closed contact K-1 of the relay K in parallel with this button S-phase forms, the Same Name of Ends of the primary coil of transformer T1 is connected with one end of button S, and the non-same polarity of the primary coil of transformer T1 then forms the input of external power source together with the other end of button S.This circuit can judge whether also to need to power to it according to the practical operation situation of circuit, when relay K is energized, relay switch K-1 will disconnect voluntarily, when not needing to power, circuit will disconnect voluntarily, thus reaches the effect automatically controlling power-off.
Control formula output circuit is by triode VT2, and resistance R3, resistance R4, slide rheostat RP1, electric capacity C3, diode D3, diode D4 form.During connection, one end of resistance R3 is connected with the emitter of triode VT2, other end ground connection after slide rheostat RP1, the negative pole of electric capacity C3 is connected with the tie point of slide rheostat RP1 with resistance R3, positive pole is connected with the positive pole of electric capacity C2, and the P pole of diode D3 is connected with the emitter of triode VT2, N pole is connected with the base stage of triode VT2 in turn after diode D4, resistance R4; The collector electrode of described triode VT2 is connected with the negative pole of electric capacity C2; The emitter of triode VT2 is connected with the positive pole of electric capacity C7, and the negative pole of electric capacity C3 is connected with the negative pole of electric capacity C7; The negative pole of electric capacity C1 and the positive pole of electric capacity C2 are connected on two inputs of diode bridge rectifier U1.
As mentioned above, just the present invention can be realized preferably.
Claims (5)
1. based on the hotness Formed Coke Furnace waste heat recovery generating system system of booster power supply circuit, primarily of oven top of coke oven hollow place (1), cover the furnace roof clinker tile (2) of oven top of coke oven hollow place (1) top surface, porose steel plate (3) is disposed with from bottom to up in oven top of coke oven hollow place (1) inside, thermal baffle layer (4) and porose steel plate (3), be arranged on the insulating brick-layer (6) between porose steel plate (3) and thermal baffle layer (4), fill out the temperature resistant encapsulation slurry (5) at the internal interstices place being filled in oven top of coke oven hollow place (1), be arranged on oven top of coke oven hollow place (1) outside and form the heat exchanger (8) of loop and evaporator (9), to be connected with heat exchanger (8) and by the pedestal (10) of cement production systD, be arranged on the heat exchange heat pipe (11) of this pedestal (10) inner also helically coiling or serpentine coiling, and fin (12) composition be arranged on this heat exchange heat pipe (11) surface, the two ends of described heat exchange heat pipe (11) are connected with downcomer with the riser of evaporator (9) respectively, it is characterized in that, to have surplus heat electricity generation system in evaporator (9) arranged outside, and this afterheat generating system is by generator, the steam turbine be connected with generator, be connected with heat exchanger and penetrate vapour booster for pushing turbine wheel rotation, and the waste heat control circuit to be connected with steam turbine forms, be provided with in this waste heat control circuit hotness automatic switching circuit with the circuit overcurrent protection be connected successively, control formula power circuit, booster power supply circuit and the formula of control output circuit, hotness automatic switching circuit is by time-base circuit IC301, triode VT301, triode VT302, triode VT303, positive pole is connected with the base stage of triode VT301, the electric capacity C302 of minus earth, N pole is connected with the positive pole of electric capacity C302, the diode D302 that P pole is connected with the negative pole of electric capacity C302 after diode D301, the relay switch K301-1 that one end is connected with the P pole of diode D302 after electric capacity C301, be connected in parallel on the resistance R301 on electric capacity C301, one end is connected with the base stage of triode VT301, the resistance R304 that the other end is connected with the collector electrode of triode VT302, be connected in parallel on the electric capacity C303 on resistance R304, one end is connected with the base stage of triode VT302, the resistance R303 that the other end is connected with the collector electrode of triode VT303, P pole is connected with the emitter of triode VT301, the diode D303 that N pole is connected with the emitter of triode VT303, one end is connected with the P pole of diode D303, the resistance R302 of other end ground connection, N pole is connected with the pin 3 of time-base circuit IC301, the diode D304 that O pole is connected with the base stage of triode VT303, be connected in parallel on the relay K 301 on diode D304, positive pole is connected with the pin 5 of time-base circuit IC301, the electric capacity C304 that negative pole is connected with the P pole of diode D304, one end is connected with the pin 8 of time-base circuit, the thermistor RT301 that the other end is connected with the pin 6 of time-base circuit, positive pole is connected with the pin 6 of time circuit, the electric capacity C305 that negative pole is connected with the negative pole of electric capacity C304, and one end is connected with the positive pole of electric capacity C305, the slide rheostat RP301 that the other end is connected with the negative pole of electric capacity C305 forms, wherein, the base stage of triode VT301 is connected with the pin 8 of time-base circuit IC301, pin 4 simultaneously, the collector electrode of triode VT301 is connected with the collector electrode of triode VT302, the emitter of triode VT302 is connected with the base stage of triode VT303, the P pole ground connection of diode D304, pin 1 ground connection of time-base circuit IC301, the positive pole of electric capacity C305 is connected with the pin 2 of time-base circuit IC301.
2. the hotness Formed Coke Furnace waste heat recovery generating system based on booster power supply circuit according to claim 1, it is characterized in that, described circuit overcurrent protection is by triode VT001, triode VT002, triode VT003, triode VT004, triode VT005, triode VT006, one end is connected with the collector electrode of triode VT001, the resistance R001 that the other end is connected with the base stage of triode VT002, P pole is connected with the collector electrode of triode VT002, the diode D001 that N pole is connected with the emitter of triode VT002, negative pole is connected with the emitter of triode VT005, the electric capacity C001 that positive pole is connected with the base stage of triode VT005, one end is connected with the positive pole of electric capacity C001, the resistance R004 that the other end is connected with the collector electrode of triode VT004, negative pole is connected with the collector electrode of triode CT004, the electric capacity C002 that positive pole is connected with the base stage of triode VT006, one end is connected with the base stage of triode VT001, the resistance R003 that the other end is connected with the base stage of triode VT006, P pole is connected with the base stage of triode VT001, the diode D002 that N pole is connected with the collector electrode of triode VT006, one end is connected with the emitter of triode VT001, the resistance R002 that the other end is connected with the emitter of triode VT006, one end is connected with the base stage of triode VT006, the other end is connected with the emitter of triode VT006, and the slide rheostat RP001 that sliding contact is connected with the base stage of triode VT003, and one end is connected with the emitter of triode VT006, the other end is connected with triode VT005, and the slide rheostat RP002 that sliding contact is connected with the negative pole of electric capacity C002 forms, wherein, the collector electrode of triode VT001 is connected with the collector electrode of triode VT002, the base stage of triode VT002 is connected with the collector electrode of triode VT005, the emitter of triode VT002 is connected with the emitter of triode VT003 and the base stage of triode VT001 simultaneously, and the collector electrode of triode VT003 is connected with the base stage of triode VT005 and the emitter of triode VT004 simultaneously.
3. the hotness Formed Coke Furnace waste heat recovery generating system based on booster power supply circuit according to claim 2, it is characterized in that, described booster power supply circuit is by diode bridge rectifier U1, triode VT3, triode VT4, triode VT5, triode VT6, positive pole is connected with the positive output end of diode bridge rectifier U1, the electric capacity C4 that negative pole is connected with the negative output terminal of diode bridge rectifier U1, one end is connected with the negative pole of electric capacity C4, the resistance R5 that the other end is connected with the base stage of triode VT3, positive pole is connected with the base stage of triode VT3, negative pole is in turn through resistance R7, the electric capacity C6 be connected with the emitter of triode VT3 after inductance L 1, positive pole is connected with electric capacity C4 negative pole, the electric capacity C5 that negative pole is connected with the emitter of triode VT4, N pole is connected with the base stage of triode VT3, the diode D5 that P pole is connected with the negative pole of electric capacity C5, be serially connected in the resistance R6 between the base stage of triode VT4 and collector electrode, P pole is connected with the collector electrode of triode VT4, the diode D6 that N pole is connected with the base stage of triode VT5, one end is connected on the emitter of triode VT5, the resistance R8 that the N that the other end is connected to diode D6 extremely goes up, one end is connected with the P pole of diode D6, the resistance R9 that the other end is connected with the emitter of triode VT6, P pole is connected with the tie point of inductance L 1 with resistance R7, the diode D7 that N pole is connected with the emitter of triode VT5, and positive pole is connected with the N pole of diode D7, the electric capacity C7 that negative pole is connected with the P pole of diode D6 forms, wherein, the positive pole of electric capacity C4 is also connected with the emitter of triode VT3, the negative pole of electric capacity C6 is connected with the collector electrode of triode VT6, the collector electrode of triode VT3 is connected with the base stage of triode VT6, the base stage of triode VT4 is connected with electric capacity C5, the collector electrode of triode VT5 is connected with the negative pole of electric capacity C5, and the negative pole of electric capacity C6 is connected with the collector electrode of triode VT6.
4. the hotness Formed Coke Furnace waste heat recovery generating system based on booster power supply circuit according to claim 3, it is characterized in that, described control formula power circuit is by mains switch, triode VT1, transformer T1, P pole is connected with the collector electrode of triode VT1, N pole is sequentially through diode D1, the diode D2 be connected with the emitter of triode VT1 after resistance R1, the relay K be in parallel with diode D2, positive pole is connected with the N pole of diode D2, the electric capacity C2 that negative pole is connected with the base stage of triode VT1 after resistance R2, and positive pole is connected with the Same Name of Ends of the secondary coil of transformer T1, and the electric capacity C1 that negative pole is connected with the non-same polarity of this secondary coil forms, the P pole of described diode D1 is connected with the positive pole of electric capacity C1, and the emitter of triode VT1 is then connected with the negative pole of electric capacity C1, described mains switch is by button S, and the normally-closed contact K-1 of the relay K in parallel with this button S-phase forms, the Same Name of Ends of the primary coil of transformer T1 is connected with one end of button S, and the non-same polarity of the primary coil of transformer T1 then forms the input of external power source together with the other end of button S, the negative pole of electric capacity C1 and the positive pole of electric capacity C2 are connected on two inputs of diode bridge rectifier U1, the non-same polarity of transformer T1 is connected with the emitter of triode VT006, and the Same Name of Ends of transformer T1 is connected through the negative pole of mains switch with electric capacity C001.
5. the hotness Formed Coke Furnace waste heat recovery generating system based on booster power supply circuit according to claim 4, it is characterized in that, described control formula output circuit is by triode VT2, one end is connected with the emitter of triode VT2, the resistance R3 of other end ground connection after slide rheostat RP1, negative pole is connected with the tie point of slide rheostat RP1 with resistance R3, the electric capacity C3 that positive pole is connected with the positive pole of electric capacity C2, and P pole is connected with the emitter of triode VT2, N pole is in turn through diode D4, the diode D3 be connected with the base stage of triode VT2 after resistance R4 forms, the collector electrode of described triode VT2 is connected with the negative pole of electric capacity C2, the emitter of triode VT2 is connected with the positive pole of electric capacity C7, and the negative pole of electric capacity C3 is connected with the negative pole of electric capacity C7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510249598.2A CN104883001A (en) | 2015-05-15 | 2015-05-15 | Heat inductance coke oven waste heat recovery power generating system based on boost power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510249598.2A CN104883001A (en) | 2015-05-15 | 2015-05-15 | Heat inductance coke oven waste heat recovery power generating system based on boost power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104883001A true CN104883001A (en) | 2015-09-02 |
Family
ID=53950382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510249598.2A Withdrawn CN104883001A (en) | 2015-05-15 | 2015-05-15 | Heat inductance coke oven waste heat recovery power generating system based on boost power circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104883001A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779402A (en) * | 2004-11-20 | 2006-05-31 | 潘佩昌 | Tailed heat recovery generator of mineral heat furnance |
| CN101806230A (en) * | 2010-03-19 | 2010-08-18 | 湖南永清环保股份有限公司 | System and method for using sintering waste heat to generate electricity |
| CN201811225U (en) * | 2010-09-20 | 2011-04-27 | 新会双水发电(B厂)有限公司 | Smoke-heat recovery heating system |
| CN102322623A (en) * | 2011-08-24 | 2012-01-18 | 成都中冶节能环保工程有限公司 | Coke oven top waste heat reclaiming system |
| CN102620572A (en) * | 2012-04-16 | 2012-08-01 | 北京世纪源博科技股份有限公司 | Ferroalloy mine heat furnace system with waste heat power generation system |
| CN103615909A (en) * | 2013-12-11 | 2014-03-05 | 北京志能祥赢节能环保科技有限公司 | Hot air circulation sintering and sintering double-pressure waste heat utilizing system and method |
-
2015
- 2015-05-15 CN CN201510249598.2A patent/CN104883001A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779402A (en) * | 2004-11-20 | 2006-05-31 | 潘佩昌 | Tailed heat recovery generator of mineral heat furnance |
| CN101806230A (en) * | 2010-03-19 | 2010-08-18 | 湖南永清环保股份有限公司 | System and method for using sintering waste heat to generate electricity |
| CN201811225U (en) * | 2010-09-20 | 2011-04-27 | 新会双水发电(B厂)有限公司 | Smoke-heat recovery heating system |
| CN102322623A (en) * | 2011-08-24 | 2012-01-18 | 成都中冶节能环保工程有限公司 | Coke oven top waste heat reclaiming system |
| CN102620572A (en) * | 2012-04-16 | 2012-08-01 | 北京世纪源博科技股份有限公司 | Ferroalloy mine heat furnace system with waste heat power generation system |
| CN103615909A (en) * | 2013-12-11 | 2014-03-05 | 北京志能祥赢节能环保科技有限公司 | Hot air circulation sintering and sintering double-pressure waste heat utilizing system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104883001A (en) | Heat inductance coke oven waste heat recovery power generating system based on boost power circuit | |
| CN104910925A (en) | Coke oven roof waste heat recovery power generation system based on power supply adjusting circuit | |
| CN104836376A (en) | Thermal sensitive type coke oven waste heat power generation system based on boost power supply circuit | |
| CN104913649A (en) | Thermal type coke oven waste heat recycling electricity generation system based on stabilivolt source circuit | |
| CN104848700A (en) | Thermal inductance type coke oven waste heat recovery power generation system based on power supply regulating circuit | |
| CN104880080A (en) | Thermal induction type coke oven after heat recycling power generation system based on power supply rectification circuit | |
| CN104880079A (en) | Thermal induction type coke oven after heat recycling power generation system based on efficient drive power supply circuit | |
| CN104833228A (en) | Thermal induction type coke oven waste heat recovery power generation system based on stabilized power supply circuit | |
| CN104913648A (en) | Thermal type coke oven waste heat power generation system based on power supply regulating circuit | |
| CN104913650A (en) | Thermal type coke oven waste heat electricity generation system based on efficient drive power source circuit | |
| CN104833222A (en) | Thermal protection type coke oven waste heat recovery power generation system based on power source voltage adjustment circuit | |
| CN104833221A (en) | Protection type coke oven waste heat recovery power generation system based on boost power supply circuit | |
| CN104864724A (en) | Wet protection type coke oven waste heat recovery and power generation system based on booster power circuit | |
| CN104836379A (en) | Wet protection type coke oven waste heat recovery power generation system based on power supply adjustment circuit | |
| CN104917337A (en) | Power source adjustment circuit-based wet protection type coke oven waste heat power generation system | |
| CN104836378A (en) | Thermal protection type coke oven waste heat recovery power generation system based on voltage stabilizing power supply circuit | |
| CN104810977A (en) | Protection type coke oven afterheat recovery power generating system based on voltage stabilizing power supply circuit | |
| CN104880082A (en) | Wet protection type coke oven after heat recycling power generating system based on stabilization power supply circuit | |
| CN104883002A (en) | Wet protection coke oven waste heat power generation system based on power voltage regulating circuit | |
| CN104848702A (en) | Wet protection type coke oven waste heat recovery power generation system based on effective drive power supply circuit | |
| CN104821689A (en) | Protective-type coke-oven waste heat recovery power generation system based on power voltage-stabilizing circuit | |
| CN104810978A (en) | Coke oven top afterheat recovery power generating system based on voltage stabilizing power supply circuit | |
| CN104949531A (en) | Moisture protection coke oven waste-heat power generation system based on boosting power supply circuit | |
| CN104864725A (en) | Wet protection type coke oven waste heat recovery and power generation system based on power voltage setting circuit | |
| CN104833219A (en) | Protection-type coke oven waste heat recovery and power generation system based on power adjustment circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150902 |