CN104405459B - For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network - Google Patents
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network Download PDFInfo
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- CN104405459B CN104405459B CN201410671487.6A CN201410671487A CN104405459B CN 104405459 B CN104405459 B CN 104405459B CN 201410671487 A CN201410671487 A CN 201410671487A CN 104405459 B CN104405459 B CN 104405459B
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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, comprise back pressure machine and operating device thereof, the Power output end of described back pressure machine is configured with generator to export electric energy, or it is configured with electric motor to drive power-equipment, the present invention by drawing gas the pipeline between Gateway Station in Heating Network well heater at intermediate pressure cylinder steam discharge on install a back pressure machine additional, make intermediate pressure cylinder steam discharge draw gas first after back pressure machine expansion work drawing generator generating, or coaxially drag power-equipment by SSS clutch coupling and electric motor, steam discharge after back pressure machine acting is heating network initial station well heater again. the present invention's useful effect compared with prior art is: the present invention is by installing back pressure machine additional, do not affecting under the prerequisite for heat request, the throttling loss of intermediate pressure cylinder steam discharge is reduced to bottom line, the middle part energy that draws gas is changed into higher-grade merit amount export, for generating electricity or coaxially drag power-equipment with electric motor, thus obtain the significant energy-saving and cost-reducing technique effect with low-carbon environment-friendly.
Description
Technical field
The present invention relates to Steam Turbine Through IP Admission steam discharge heating network system, particularly relate to the back pressure machine acting for Steam Turbine Through IP Admission steam discharge heating network and heating plant.
Background technology
At present, China 300MW grade thermal power generation unit generally adopts when Winter heat supply to draw gas in the punching of intermediate pressure cylinder steam discharge communicating pipe and is delivered to heating network initial station, described heating network initial station is mainly used in depositing heat exchangers for district heating, water circulating pump, the equipment such as hydrophobic pump and centralized monitoring system, because of the structural limitations of steam turbine itself, the intermediate pressure cylinder steam discharge pressure of part of generating units is at 0.4MPa��0.5MPa, and externally heating supply water temperature is generally at 90 DEG C��110 DEG C, heating network initial station pressure only need to can meet service requirements at 0.1MPa��0.15MPa, therefore, need to be throttled by Gateway Station in Heating Network well heater admission door, but this can cause bigger throttling loss, in order to solve the problem of above-mentioned throttling loss, the measure usually taked now unit changes into two back pressure two rotors exchange thermal power plant unit, low pressure rotor is changed by this kind of modification scheme in winter, low pressure (LP) cylinder steam discharge is directly for circulating water heating, low pressure rotor is gained after terminating by the heat supply phase again. although this kind of square transformation case can effectively solve the throttling loss of steam and the problem of cold source energy, but the external area of heat-supply service of improved unit needs to increase considerably (after the transformation of 300MW unit area of heat-supply service should at 1,200 ten thousand square metres), otherwise hot net return water temperature will be caused too high, cause back pressure of condenser too high, and then cause unit to run. therefore, for the power plant that area of heat-supply service is little, this modification scheme cannot be implemented. the technical problem how reducing the throttling loss that heat supply is drawn gas about extraction condensing type thermal power plant unit there is no solution effectively up to now.
The patent No. is that the Chinese invention patent of ZL201110433533.5 discloses and a kind of takes out heating energy-saving device and the power-economizing method thereof that solidifying unit installs back pressure machine additional, in big thermoelecrtic unit, steam turbine side extraction opening on middle low pressure (LP) cylinder communicating pipe and install back pressure machine additional between heat exchangers for district heating steam inlet, control valve import of drawing gas is connected with the steam turbine side extraction opening of middle low pressure (LP) cylinder communicating pipe, the control valve that draws gas outlet is connected with back pressure machine admission control valve import and back pressure machine by-pass valve import, the outlet of back pressure machine admission control valve is connected with back pressure machine steam inlet, the outlet of back pressure machine by-pass valve is connected with heat exchangers for district heating steam inlet, back pressure machine steam drain is connected with well heater steam inlet. this invention is by installing back pressure machine additional, power recovery is carried out to having more high-grade confession hot-fluid steam, reasonably excavate the maximum acting ability for hot-fluid, solve the problem not energy-conservation with the external heat supply of high-grade steam, it is applicable to electric power enterprise extraction condensing type cogeneration 300MW or the transformation of 600MW capacitance grade unit Synergistic and energy-saving. but the back pressure machine installed additional in the technical scheme of this invention does not arrange PTO, therefore cannot realize utilizing the back pressure machine installed additional externally to carry out the technique effect of Power output, such as cannot realize the expansion work installing back pressure machine additional is used for drawing generator generating, also cannot realize coaxially dragging power-equipment with electric motor, thus cannot realize the technique effect that the throttling loss of intermediate pressure cylinder steam discharge is dropped to bottom line.
Summary of the invention
In order to solve the technological deficiency that above-mentioned existing Steam Turbine Through IP Admission steam discharge heating network system exists, the technical solution used in the present invention is as follows:
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, comprise Steam Turbine Through IP Admission and turbine low pressure cylinder, steam drain in described Steam Turbine Through IP Admission is provided with two branch lines, wherein a branch line is connected with the steam inlet of turbine low pressure cylinder, this branch line is equipped with low pressure (LP) cylinder admission regulating butterfly valve, the Power output end of described turbine low pressure cylinder is connected with main frame power supply for station system, another branch line of described Steam Turbine Through IP Admission steam drain is equipped with back pressure machine and operating device thereof, steam inlet end at described back pressure machine is equipped with back pressure machine main inlet throttle-stop valve and speed governing porthole, the Power output end of described back pressure machine is connected with generator, described generator is connected with main frame power supply for station system.
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, comprise Steam Turbine Through IP Admission and turbine low pressure cylinder, steam drain in described Steam Turbine Through IP Admission is provided with two branch lines, wherein a branch line is connected with the steam inlet of turbine low pressure cylinder, this branch line is equipped with low pressure (LP) cylinder admission regulating butterfly valve, another branch line of described Steam Turbine Through IP Admission steam drain is equipped with back pressure machine and operating device thereof, steam inlet end at described back pressure machine is equipped with back pressure machine main inlet throttle-stop valve and speed governing porthole, the Power output end of described back pressure machine is connected with electric motor by SSS clutch coupling, described electric motor is connected with power-equipment.
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, comprise Steam Turbine Through IP Admission and turbine low pressure cylinder, steam drain in described Steam Turbine Through IP Admission is provided with two branch lines, wherein a branch line is connected with the steam inlet of turbine low pressure cylinder, this branch line is equipped with low pressure (LP) cylinder admission regulating butterfly valve, another branch line of described Steam Turbine Through IP Admission steam drain is equipped with back pressure machine and operating device thereof, steam inlet end at described back pressure machine is equipped with back pressure machine main inlet throttle-stop valve and speed governing porthole, the Power output end of described back pressure machine is connected with power-equipment by SSS clutch coupling, described power-equipment is connected with electric motor by SSS clutch coupling.
Preferably, the exhaust steam pipe line of described back pressure machine is provided with heat exchangers for district heating, and described heat exchangers for district heating is connected with hydrophobic pump.
In above-mentioned either a program preferably, between the exhaust steam pipe line and described heat exchangers for district heating of described Steam Turbine Through IP Admission, it is provided with heat net well heater for subsequent use.
In above-mentioned either a program preferably, described heat net well heater for subsequent use is provided with two input terminuss and two output terminals, described two input terminuss are connected with heat exchangers for district heating with the exhaust steam pipe line of Steam Turbine Through IP Admission respectively and are respectively equipped with heat net well heater admission adjustment doors for subsequent use and heat net well heater for subsequent use water inlet Electrically operated gate, and described two output terminals are netted well heater water outlet Electrically operated gate for subsequent use respectively and are connected with hydrophobic pump with heat.
In above-mentioned either a program preferably, described heat net well heater for subsequent use is provided with heat net heater by-pass Electrically operated gate for subsequent use.
In above-mentioned either a program preferably, comprising No. five low pressure heaters, described No. five low pressure heaters are connected with hydrophobic pump, and described No. five low pressure heaters are into the last step well heater before deoxygenator.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts electric butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts Pneumatic butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts hydraulic butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts Hand-operated butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts central seal butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts single eccentric sealed butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts two eccentric sealed butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts three eccentricity sealed butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts soft sealing butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts metal hard-sealing butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts and forces sealed butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts filling pressure sealing butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts automatic sealed butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve presses butterfly valve in adopting.
In above-mentioned either a program preferably, temperature butterfly valve in the employing of described low pressure (LP) cylinder admission regulating butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts high temperature butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts wafer type butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts flange form butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts lug type butterfly valve.
In above-mentioned either a program preferably, described low pressure (LP) cylinder admission regulating butterfly valve adopts welded type butterfly valve.
In above-mentioned either a program preferably, described heat exchangers for district heating adopts basic heat exchangers for district heating.
In above-mentioned either a program preferably, described heat exchangers for district heating adopts eddy current hotting mask heat transfer tube heat exchangers for district heating.
In above-mentioned either a program preferably, described heat exchangers for district heating adopts stainless steel screwed tube heat exchangers for district heating.
In above-mentioned either a program preferably, described heat net well heater for subsequent use adopts peak heat exchangers for district heating.
In above-mentioned either a program preferably, described heat net well heater for subsequent use adopts eddy current hotting mask heat transfer tube heat exchangers for district heating.
In above-mentioned either a program preferably, described heat net well heater for subsequent use adopts stainless steel screwed tube heat exchangers for district heating.
The present invention's useful effect compared with prior art is: the present invention takes out the deficiency of solidifying unit intermediate pressure cylinder steam discharge heat supply process to make up existing 300MW, provide a kind of safe and reliable, the back pressure machine acting of adaptable intermediate pressure cylinder steam discharge heating network and heating plant, a back pressure machine is installed additional on drawing gas the pipeline between the well heater of heating network initial station at intermediate pressure cylinder steam discharge, intermediate pressure cylinder steam discharge is drawn gas and first after back pressure machine expansion work, exports electric energy or coaxially arranged for dragging power-equipment outputting power by SSS clutch coupling and electric motor for drawing generator, back pressure machine steam discharge is delivered to heating network initial station well heater afterwards again. the present invention is not affecting under the normal prerequisite for heat request, pass through the back pressure machine that installs additional by pressure be 0.4MPa��0.5MPa, 100��500t/h intermediate pressure cylinder steam discharge be down to and can meet the 0.1MPa��0.15MPa for heat request, significantly reduce the throttling loss of steam, the throttling loss drawn gas is reduced to bottom line, and the portion of energy in drawing gas is changed into higher-grade energy output, for generating electricity or coaxially drag power-equipment with electric motor, thus obtain energy-saving and cost-reducing technique effect. obviously, the present invention is by installing back pressure machine additional and coaxially arranged generator or power-equipment, on the basis constant at Coal-fired capacity, evaporation capacity for engine is substantially constant, make this take out solidifying unit and achieve reduction main frame station service power consumption rate, improve delivery simultaneously, reduce coal-fired consumption, or achieve and steam is effectively converted into Power output, thus obtain the technique effect of low-carbon environment-friendly.
Accompanying drawing explanation
Fig. 1 is the back pressure machine of the acting of the back pressure machine for Steam Turbine Through IP Admission steam discharge heating network according to the present invention and heating plant one preferred embodiment and the structural representation of generator coaxle layout;
Fig. 2 is the acting of the back pressure machine for Steam Turbine Through IP Admission steam discharge heating network according to the present invention and the back pressure machine of heating plant one preferred embodiment and the motor arrangement structural representation in power-equipment side;
Fig. 3 is the acting of the back pressure machine for Steam Turbine Through IP Admission steam discharge heating network according to the present invention and the back pressure machine of heating plant one preferred embodiment and the motor arrangement structural representation in power-equipment both sides.
Description of reference numerals:
1 Steam Turbine Through IP Admission; 2 low pressure (LP) cylinder admission regulating butterfly valves; 3 turbine low pressure cylinders; 4 back pressure machine main inlet throttle-stop valves and speed governing porthole; 5 back pressure machines; 6 generators; 7 main frame power supply for station systems; 8 heat net well heater admission adjustment doors for subsequent use; 9 heat exchangers for district heatings; 10 heat net well heater for subsequent use water inlet Electrically operated gate; 11 heat net well heaters for subsequent use; 12 heat net well heater water outlet Electrically operated gate for subsequent use; 13 heat net heater by-pass Electrically operated gate for subsequent use; 14 hydrophobic pumps; 15 No. five low pressure heaters; 16SSS clutch coupling; 17 electric motor; 18 power-equipments.
Embodiment
In order to understand the present invention better, below in conjunction with specific embodiment, the present invention is explained in detail, however, it is clear that the present invention can be carried out different modification and remodeling and not exceed the spirit and scope that the present invention that appended claim limits is wider. Therefore, following examples have exemplary and do not have conditional implication.
Embodiment 1:
As shown in Figure 1, for back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, comprise Steam Turbine Through IP Admission 1 and turbine low pressure cylinder 3, steam drain in described Steam Turbine Through IP Admission 1 is provided with two branch lines, wherein a branch line is connected with the steam inlet of turbine low pressure cylinder 3, this branch line is equipped with low pressure (LP) cylinder admission regulating butterfly valve 2, the Power output end of described turbine low pressure cylinder 3 is connected with main frame power supply for station system 7, another branch line of described Steam Turbine Through IP Admission 1 steam drain is equipped with back pressure machine 5 and operating device thereof, steam inlet end at described back pressure machine 5 is equipped with back pressure machine main inlet throttle-stop valve and speed governing porthole 4, the Power output end of described back pressure machine 5 is connected with generator 6, described generator 6 is connected with main frame power supply for station system 7, the exhaust steam pipe line of back pressure machine 5 is provided with heat exchangers for district heating 9, heat exchangers for district heating 9 is connected with hydrophobic pump 14, heat net well heater 11 for subsequent use it is provided with between the exhaust steam pipe line and heat exchangers for district heating 9 of Steam Turbine Through IP Admission 1, heat net well heater 11 for subsequent use is provided with two input terminuss and two output terminals, described two input terminuss are connected with heat exchangers for district heating 9 with the exhaust steam pipe line of Steam Turbine Through IP Admission 1 respectively and are respectively equipped with heat net well heater admission adjustment doors 8 for subsequent use and heat net well heater for subsequent use water inlet Electrically operated gate 10, described two output terminals are netted well heater water outlet Electrically operated gate 12 for subsequent use respectively and are connected with hydrophobic pump 14 with heat, heat net well heater 11 for subsequent use is provided with heat net heater by-pass Electrically operated gate 13 for subsequent use, comprise No. five low pressure heaters 15, No. five low pressure heaters 15 are connected with hydrophobic pump 14, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts electric butterfly valve, heat exchangers for district heating 9 adopts basic heat exchangers for district heating, heat net well heater 11 for subsequent use adopts peak heat exchangers for district heating, heat exchangers for district heating 9 and heat net well heater 11 for subsequent use all adopt eddy current hotting mask heat transfer tube heat exchangers for district heating.
The principle of work of embodiment 1: the present invention by drawing gas the pipeline between Gateway Station in Heating Network well heater at intermediate pressure cylinder steam discharge on install a back pressure machine additional, by extract part intermediate pressure cylinder steam discharge make it for drive back pressure machine acting and coaxial drive generator export electric energy be delivered to main frame power supply for station system, vapor pressure after back pressure machine does work reaches 0.1MPa��0.15MPa and heating network initial station well heater, for hot heater produce hydrophobic then by hydrophobic pump delivery to the condensed water inlet duct of steam turbine No. five low pressure heaters, when winter, cold snap supply water temperature was not enough, heat net well heater admission adjustment doors for subsequent use can be opened, heat is netted well heater for subsequent use put into operation, the other parts of Steam Turbine Through IP Admission steam discharge then enter low pressure (LP) cylinder acting by low pressure (LP) cylinder admission regulating butterfly valve.
The working process of embodiment 1: a part of steam of Steam Turbine Through IP Admission 1 steam discharge enters back pressure machine 5 through back pressure machine main inlet throttle-stop valve and speed governing porthole 4, after expansion work, drawing generator 6 generates electricity and sends into main frame power supply for station system 7, steam steam discharge pressure after back pressure machine 5 does work reduces, enter heat exchangers for district heating 9 heat hot net recirculated water subsequently, heater by-pass Electrically operated gate 13 for subsequent use is netted externally for hot water by heat, when cold season in winter, supply water temperature was not enough, open heat net well heater for subsequent use water inlet Electrically operated gate 10 and heat net well heater water outlet Electrically operated gate 12 for subsequent use, close heat net heater by-pass Electrically operated gate 13 for subsequent use, by adjusting heat net well heater admission adjustment doors 8 for subsequent use, control is externally for hot water temperature, the hydrophobic condensed water inlet duct being delivered to No. five low pressure heaters 15 by hydrophobic pump 14 that heat exchangers for district heating 9 and heat exchangers for district heating for subsequent use 11 produce, other parts of Steam Turbine Through IP Admission 1 steam discharge then enter in turbine low pressure cylinder 3 through low pressure (LP) cylinder admission regulating butterfly valve 2 and do work.
Embodiment 2:
As shown in Figure 2, for back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, comprise Steam Turbine Through IP Admission 1 and turbine low pressure cylinder 3, steam drain in described Steam Turbine Through IP Admission 1 is provided with two branch lines, wherein a branch line is connected with the steam inlet of turbine low pressure cylinder 3, this branch line is equipped with low pressure (LP) cylinder admission regulating butterfly valve 2, another branch line of described Steam Turbine Through IP Admission 1 steam drain is equipped with back pressure machine 5 and operating device thereof, steam inlet end at described back pressure machine 5 is equipped with back pressure machine main inlet throttle-stop valve and speed governing porthole 4, the Power output end of described back pressure machine 5 is connected with electric motor 17 by SSS clutch coupling 16, described electric motor 17 is connected with power-equipment 18, the exhaust steam pipe line of back pressure machine 5 is provided with heat exchangers for district heating 9, heat exchangers for district heating 9 is connected with hydrophobic pump 14, heat net well heater 11 for subsequent use it is provided with between the exhaust steam pipe line and heat exchangers for district heating 9 of Steam Turbine Through IP Admission 1, heat net well heater 11 for subsequent use is provided with two input terminuss and two output terminals, described two input terminuss are connected with heat exchangers for district heating 9 with the exhaust steam pipe line of Steam Turbine Through IP Admission 1 respectively and are respectively equipped with heat net well heater admission adjustment doors 8 for subsequent use and heat net well heater for subsequent use water inlet Electrically operated gate 10, described two output terminals are netted well heater water outlet Electrically operated gate 12 for subsequent use respectively and are connected with hydrophobic pump 14 with heat, heat net well heater 11 for subsequent use is provided with heat net heater by-pass Electrically operated gate 13 for subsequent use, comprise No. five low pressure heaters 15, No. five low pressure heaters 15 are connected with hydrophobic pump 14, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts electric butterfly valve, heat exchangers for district heating 9 adopts basic heat exchangers for district heating, heat net well heater 11 for subsequent use adopts peak heat exchangers for district heating, heat exchangers for district heating 9 and heat net well heater 11 for subsequent use all adopt eddy current hotting mask heat transfer tube heat exchangers for district heating.
The principle of work of embodiment 2: the present invention by drawing gas the pipeline between Gateway Station in Heating Network well heater at intermediate pressure cylinder steam discharge on install a back pressure machine additional, make it for driving back pressure machine to do work and be positioned at the same side coaxial drive power-equipment of electric motor by extracting part intermediate pressure cylinder steam discharge, the technique effect partly or entirely replacing electric motor acting can be realized, vapor pressure after back pressure machine does work reaches 0.1MPa��0.15MPa and heating network initial station well heater, for hot heater produce hydrophobic then by hydrophobic pump delivery to the condensed water inlet duct of steam turbine No. five low pressure heaters, when winter, cold snap supply water temperature was not enough, heat net well heater admission adjustment doors for subsequent use can be opened, heat is netted well heater for subsequent use put into operation, the other parts of Steam Turbine Through IP Admission steam discharge then enter low pressure (LP) cylinder acting by low pressure (LP) cylinder admission regulating butterfly valve.
The working process of embodiment 2: a part of steam of Steam Turbine Through IP Admission 1 steam discharge enters back pressure machine 5 through back pressure machine main inlet throttle-stop valve and speed governing porthole 4, power-equipment 18 is coaxially dragged by SSS clutch coupling 16 and electric motor 17 after expansion work, steam steam discharge pressure after back pressure machine 5 does work reduces, enter heat exchangers for district heating 9 heat hot net recirculated water subsequently, heater by-pass Electrically operated gate 13 for subsequent use is netted externally for hot water by heat, when cold season in winter, supply water temperature was not enough, open heat net well heater for subsequent use water inlet Electrically operated gate 10 and heat net well heater water outlet Electrically operated gate 12 for subsequent use, close heat net heater by-pass Electrically operated gate 13 for subsequent use, by adjusting heat net well heater admission adjustment doors 8 for subsequent use, control is externally for hot water temperature, the hydrophobic condensed water inlet duct being delivered to No. five low pressure heaters 15 by hydrophobic pump 14 that heat exchangers for district heating 9 and heat exchangers for district heating for subsequent use 11 produce, other parts of Steam Turbine Through IP Admission 1 steam discharge then enter in turbine low pressure cylinder 3 through low pressure (LP) cylinder admission regulating butterfly valve 2 and do work.
Fig. 2 show the technical scheme that back pressure machine 5 and electric motor 17 are arranged on power-equipment 18 the same side, the axle of back pressure machine 5 is connected by SSS clutch coupling 16 with the axle of electric motor 17, when back pressure machine 5 exert oneself fail to reach electric motor 17 specified exert oneself time, back pressure machine 5 and electric motor 17 work simultaneously; When back pressure machine 5 exert oneself reach electric motor 17 specified exert oneself time, electric motor 17 is out of service by automatic trip switch, drags separately power-equipment 18 by back pressure machine 5; In operational process, when back pressure machine 5 trips, electric motor 17 is put into operation automatically by automatic trip switch and band load.
Embodiment 3:
As shown in Figure 3, for back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, comprise Steam Turbine Through IP Admission 1 and turbine low pressure cylinder 3, steam drain in described Steam Turbine Through IP Admission 1 is provided with two branch lines, wherein a branch line is connected with the steam inlet of turbine low pressure cylinder 3, this branch line is equipped with low pressure (LP) cylinder admission regulating butterfly valve 2, another branch line of described Steam Turbine Through IP Admission 1 steam drain is equipped with back pressure machine 5 and operating device thereof, steam inlet end at described back pressure machine 5 is equipped with back pressure machine main inlet throttle-stop valve and speed governing porthole 4, the Power output end of described back pressure machine 5 is connected with power-equipment 18 by SSS clutch coupling 16, described power-equipment 18 is connected with electric motor 17 by SSS clutch coupling 16, the exhaust steam pipe line of back pressure machine 5 is provided with heat exchangers for district heating 9, heat exchangers for district heating 9 is connected with hydrophobic pump 14, heat net well heater 11 for subsequent use it is provided with between the exhaust steam pipe line and heat exchangers for district heating 9 of Steam Turbine Through IP Admission 1, heat net well heater 11 for subsequent use is provided with two input terminuss and two output terminals, described two input terminuss are connected with heat exchangers for district heating 9 with the exhaust steam pipe line of Steam Turbine Through IP Admission 1 respectively and are respectively equipped with heat net well heater admission adjustment doors 8 for subsequent use and heat net well heater for subsequent use water inlet Electrically operated gate 10, described two output terminals are netted well heater water outlet Electrically operated gate 12 for subsequent use respectively and are connected with hydrophobic pump 14 with heat, heat net well heater 11 for subsequent use is provided with heat net heater by-pass Electrically operated gate 13 for subsequent use, comprise No. five low pressure heaters 15, No. five low pressure heaters 15 are connected with hydrophobic pump 14, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts electric butterfly valve, heat exchangers for district heating 9 adopts basic heat exchangers for district heating, heat net well heater 11 for subsequent use adopts peak heat exchangers for district heating, heat exchangers for district heating 9 and heat net well heater 11 for subsequent use all adopt eddy current hotting mask heat transfer tube heat exchangers for district heating.
The principle of work of embodiment 3: the present invention by drawing gas the pipeline between Gateway Station in Heating Network well heater at intermediate pressure cylinder steam discharge on install a back pressure machine additional, make it for driving back pressure machine to do work and be positioned at the different side coaxial drive power-equipment of electric motor by extracting part intermediate pressure cylinder steam discharge, the technique effect partly or entirely replacing electric motor acting can be realized, vapor pressure after back pressure machine does work reaches 0.1MPa��0.15MPa and heating network initial station well heater, for hot heater produce hydrophobic then by hydrophobic pump delivery to the condensed water inlet duct of steam turbine No. five low pressure heaters, when winter, cold snap supply water temperature was not enough, heat net well heater admission adjustment doors for subsequent use can be opened, heat is netted well heater for subsequent use put into operation, the other parts of Steam Turbine Through IP Admission steam discharge then enter low pressure (LP) cylinder acting by low pressure (LP) cylinder admission regulating butterfly valve.
The working process of embodiment 3: a part of steam of Steam Turbine Through IP Admission 1 steam discharge enters back pressure machine 5 through back pressure machine main inlet throttle-stop valve and speed governing porthole 4, power-equipment 18 is coaxially dragged by SSS clutch coupling 16 and electric motor 17 after expansion work, in the present embodiment, back pressure machine 5 and electric motor 17 are arranged in the both sides of power-equipment 18, all it is connected with power-equipment 18 by SSS clutch coupling 16, steam steam discharge pressure after back pressure machine 5 does work reduces, enter heat exchangers for district heating 9 heat hot net recirculated water subsequently, heater by-pass Electrically operated gate 13 for subsequent use is netted externally for hot water by heat, when cold season in winter, supply water temperature was not enough, open heat net well heater for subsequent use water inlet Electrically operated gate 10 and heat net well heater water outlet Electrically operated gate 12 for subsequent use, close heat net heater by-pass Electrically operated gate 13 for subsequent use, by adjusting heat net well heater admission adjustment doors 8 for subsequent use, control is externally for hot water temperature, the hydrophobic condensed water inlet duct being delivered to No. five low pressure heaters 15 by hydrophobic pump 14 that heat exchangers for district heating 9 and heat exchangers for district heating for subsequent use 11 produce, other parts of Steam Turbine Through IP Admission 1 steam discharge then enter in turbine low pressure cylinder 3 through low pressure (LP) cylinder admission regulating butterfly valve 2 and do work.
Fig. 3 show the technical scheme that back pressure machine 5 and electric motor 17 are separately positioned on power-equipment 18 both sides, back pressure machine 5 is connected with power-equipment 18 by SSS clutch coupling 16 respectively with electric motor 17, when back pressure machine 5 exert oneself fail to reach electric motor 17 specified exert oneself time, back pressure machine 5 and electric motor 17 work simultaneously; When back pressure machine 5 exert oneself reach electric motor 17 specified exert oneself time, the SSS clutch coupling 16 being connected between electric motor 17 with power-equipment 18 can disengage automatically, drags separately power-equipment 18 by back pressure machine 5; When occurring that in operational process back pressure machine 5 trips, electric motor 17 is put into operation and band load after being connected by SSS clutch coupling 16 automatically.
Embodiment 4:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts Pneumatic butterfly valve.
Embodiment 5:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts hydraulic butterfly valve.
Embodiment 6:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts Hand-operated butterfly valve.
Embodiment 7:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts central seal butterfly valve.
Embodiment 8:
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, similar to embodiment 1 or 2 or 3, institute is single eccentric sealed butterfly valve the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts.
Embodiment 9:
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, similar to embodiment 1 or 2 or 3, institute is two eccentric sealed butterfly valve the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts.
Embodiment 10:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts three eccentricity sealed butterfly valve.
Embodiment 11:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts soft sealing butterfly valve.
Embodiment 12:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts metal hard-sealing butterfly valve.
Embodiment 13:
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, similar to embodiment 1 or 2 or 3, institute forces sealed butterfly valve the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts.
Embodiment 14:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts filling pressure sealing butterfly valve.
Embodiment 15:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts automatic sealed butterfly valve.
Embodiment 16:
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, similar to embodiment 1 or 2 or 3, institute presses butterfly valve in adopting the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2.
Embodiment 17:
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopt in temperature butterfly valve.
Embodiment 18:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts high temperature butterfly valve.
Embodiment 19:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts wafer type butterfly valve.
Embodiment 20:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts flange form butterfly valve.
Embodiment 21:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts lug type butterfly valve.
Embodiment 22:
For Steam Turbine Through IP Admission steam discharge heating network back pressure machine acting and heating plant, similar to embodiment 1 or 2 or 3, institute the difference is that, low pressure (LP) cylinder admission regulating butterfly valve 2 adopts welded type butterfly valve.
Embodiment 23:
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, similar to embodiment 1 or 2 or 3, institute all adopts stainless steel screwed tube heat exchangers for district heating the difference is that, heat exchangers for district heating 9 and heat net well heater 11 for subsequent use.
Embodiment 24:
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, similar to embodiment 1 or 2 or 3, institute the difference is that, heat exchangers for district heating 9 adopts eddy current hotting mask heat transfer tube heat exchangers for district heating, heat net well heater 11 for subsequent use adopt stainless steel screwed tube heat exchangers for district heating.
Embodiment 25:
For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, similar to embodiment 1 or 2 or 3, institute the difference is that, heat exchangers for district heating 9 adopts stainless steel screwed tube heat exchangers for district heating, heat net well heater 11 for subsequent use adopt eddy current hotting mask heat transfer tube heat exchangers for district heating.
Claims (32)
1. for back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, comprise Steam Turbine Through IP Admission (1) and turbine low pressure cylinder (3), steam drain in described Steam Turbine Through IP Admission (1) is provided with two branch lines, wherein a branch line is connected with the steam inlet of turbine low pressure cylinder (3), this branch line is equipped with low pressure (LP) cylinder admission regulating butterfly valve (2), the Power output end of described turbine low pressure cylinder (3) is connected with main frame power supply for station system (7), it is characterized in that, another branch line of described Steam Turbine Through IP Admission (1) steam drain is equipped with back pressure machine (5) and operating device thereof, steam inlet end at described back pressure machine (5) is equipped with back pressure machine main inlet throttle-stop valve and speed governing porthole (4), the Power output end of described back pressure machine (5) is connected with generator (6), described generator (6) is connected with main frame power supply for station system (7), the exhaust steam pipe line of back pressure machine (5) is provided with heat exchangers for district heating (9), heat exchangers for district heating (9) is connected with hydrophobic pump (14), heat net well heater for subsequent use (11) it is provided with between the exhaust steam pipe line and heat exchangers for district heating (9) of Steam Turbine Through IP Admission (1).
2. for back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, comprise Steam Turbine Through IP Admission (1) and turbine low pressure cylinder (3), steam drain in described Steam Turbine Through IP Admission (1) is provided with two branch lines, wherein a branch line is connected with the steam inlet of turbine low pressure cylinder (3), this branch line is equipped with low pressure (LP) cylinder admission regulating butterfly valve (2), it is characterized in that, another branch line of described Steam Turbine Through IP Admission (1) steam drain is equipped with back pressure machine (5) and operating device thereof, steam inlet end at described back pressure machine (5) is equipped with back pressure machine main inlet throttle-stop valve and speed governing porthole (4), the Power output end of described back pressure machine (5) is connected with electric motor (17) by SSS clutch coupling (16), described electric motor (17) is connected with power-equipment (18), the exhaust steam pipe line of back pressure machine (5) is provided with heat exchangers for district heating (9), heat exchangers for district heating (9) is connected with hydrophobic pump (14), heat net well heater for subsequent use (11) it is provided with between the exhaust steam pipe line and heat exchangers for district heating (9) of Steam Turbine Through IP Admission (1).
3. for back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, comprise Steam Turbine Through IP Admission (1) and turbine low pressure cylinder (3), steam drain in described Steam Turbine Through IP Admission (1) is provided with two branch lines, wherein a branch line is connected with the steam inlet of turbine low pressure cylinder (3), this branch line is equipped with low pressure (LP) cylinder admission regulating butterfly valve (2), it is characterized in that, another branch line of described Steam Turbine Through IP Admission (1) steam drain is equipped with back pressure machine (5) and operating device thereof, steam inlet end at described back pressure machine (5) is equipped with back pressure machine main inlet throttle-stop valve and speed governing porthole (4), the Power output end of described back pressure machine (5) is connected with power-equipment (18) by SSS clutch coupling (16), described power-equipment (18) is connected with electric motor (17) by SSS clutch coupling (16), the exhaust steam pipe line of back pressure machine (5) is provided with heat exchangers for district heating (9), heat exchangers for district heating (9) is connected with hydrophobic pump (14), heat net well heater for subsequent use (11) it is provided with between the exhaust steam pipe line and heat exchangers for district heating (9) of Steam Turbine Through IP Admission (1).
4. as described in claim 1 or 2 or 3 the back pressure machine for Steam Turbine Through IP Admission steam discharge heating network acting and heating plant, it is characterized in that, heat net well heater for subsequent use (11) is provided with two input terminuss and two output terminals, described two input terminuss are connected with heat exchangers for district heating (9) with the exhaust steam pipe line of Steam Turbine Through IP Admission (1) respectively and are respectively equipped with heat net well heater admission adjustment doors (8) for subsequent use and heat net well heater for subsequent use is intake Electrically operated gate (10), described two output terminals are netted well heater water outlet Electrically operated gate (12) for subsequent use respectively and are connected with hydrophobic pump (14) with heat.
5. as claimed in claim 4 for back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, it is characterised in that, heat net well heater for subsequent use (11) is provided with heat net heater by-pass Electrically operated gate (13) for subsequent use.
6. as claimed in claim 4 for back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network, it is characterised in that, comprise No. five low pressure heaters (15), No. five low pressure heaters (15) are connected with hydrophobic pump (14).
7. as described in claim 1 or 2 or 3 the back pressure machine for Steam Turbine Through IP Admission steam discharge heating network acting and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopt electric butterfly valve.
8. as described in claim 1 or 2 or 3 the back pressure machine for Steam Turbine Through IP Admission steam discharge heating network acting and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopt Pneumatic butterfly valve.
9. as described in claim 1 or 2 or 3 the back pressure machine for Steam Turbine Through IP Admission steam discharge heating network acting and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopt hydraulic butterfly valve.
10. as described in claim 1 or 2 or 3 the back pressure machine for Steam Turbine Through IP Admission steam discharge heating network acting and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopt Hand-operated butterfly valve.
11. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts central seal butterfly valve.
12. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts single eccentric sealed butterfly valve.
13. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts two eccentric sealed butterfly valve.
14. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts three eccentricity sealed butterfly valve.
15. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts soft sealing butterfly valve.
16. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts metal hard-sealing butterfly valve.
17. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts forces sealed butterfly valve.
18. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts filling pressure sealing butterfly valve.
19. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts automatic sealed butterfly valve.
20. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) presses butterfly valve in adopting.
21. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) is warm butterfly valve in adopting.
22. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts high temperature butterfly valve.
23. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts wafer type butterfly valve.
24. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts flange form butterfly valve.
25. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts lug type butterfly valve.
26. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, low pressure (LP) cylinder admission regulating butterfly valve (2) adopts welded type butterfly valve.
27. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, heat exchangers for district heating (9) adopts basic heat exchangers for district heating.
28. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, heat exchangers for district heating (9) adopts eddy current hotting mask heat transfer tube heat exchangers for district heating.
29. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, heat exchangers for district heating (9) adopts stainless steel screwed tube heat exchangers for district heating.
30. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, heat net well heater for subsequent use (11) adopts peak heat exchangers for district heating.
31. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, heat net well heater for subsequent use (11) adopts eddy current hotting mask heat transfer tube heat exchangers for district heating.
32. back pressure machines for Steam Turbine Through IP Admission steam discharge heating network as described in claim 1 or 2 or 3 do work and heating plant, it is characterised in that, heat net well heater for subsequent use (11) adopts stainless steel screwed tube heat exchangers for district heating.
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| CN201410671487.6A CN104405459B (en) | 2014-11-21 | 2014-11-21 | For back pressure machine acting and the heating plant of Steam Turbine Through IP Admission steam discharge heating network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105888740A (en) * | 2016-01-27 | 2016-08-24 | 华电漯河发电有限公司 | Backpressure turbine and motor single-shaft combined drive connection structure |
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| CN108167032B (en) * | 2017-12-26 | 2023-06-27 | 中国大唐集团科学技术研究院有限公司火力发电技术研究所 | NCB type heating turbine back pressure mode starting system and method |
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| CN111005776B (en) * | 2019-12-16 | 2022-05-03 | 国电龙源节能技术有限公司 | Heat supply method and heat supply system based on low-pressure cylinder optical axis heat supply technology |
| CN113864848B (en) * | 2021-06-16 | 2023-11-21 | 暨南大学 | Full-working-condition efficient heat supply system and method for cogeneration unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519067A (en) * | 2011-12-21 | 2012-06-27 | 华北电力大学 | Heating energy saving device with additional back pressure generator for extraction condensing unit and heating energy saving method |
| CN202441442U (en) * | 2012-02-17 | 2012-09-19 | 广东省电力设计研究院 | Regenerated steam-driven draught fan thermodynamic cycle system of air cooling unit of power plant |
| CN102678204A (en) * | 2011-03-18 | 2012-09-19 | 中国电力工程顾问集团华东电力设计院 | Single reheating thermal system |
| CN103017231A (en) * | 2012-12-11 | 2013-04-03 | 华电电力科学研究院 | Heat supply network water circulating pump energy-saving driving system of thermal power plant |
| CN103195521A (en) * | 2013-04-23 | 2013-07-10 | 上海汽轮机厂有限公司 | Double-turbine steam thermodynamic system with regenerative steam extraction function |
| CN204299632U (en) * | 2014-11-21 | 2015-04-29 | 华电国际电力股份有限公司技术服务中心 | For back pressure machine acting and the heating arrangement of Steam Turbine Through IP Admission steam discharge heating network |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10169411A (en) * | 1996-12-13 | 1998-06-23 | Toshiba Corp | Steam turbine plant |
| EP1445429A1 (en) * | 2003-02-07 | 2004-08-11 | Elsam Engineering A/S | A steam turbine system |
| CN201924030U (en) * | 2010-12-10 | 2011-08-10 | 成都发动机（集团）有限公司 | Improved blast furnace three-machine combination |
-
2014
- 2014-11-21 CN CN201410671487.6A patent/CN104405459B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678204A (en) * | 2011-03-18 | 2012-09-19 | 中国电力工程顾问集团华东电力设计院 | Single reheating thermal system |
| CN102519067A (en) * | 2011-12-21 | 2012-06-27 | 华北电力大学 | Heating energy saving device with additional back pressure generator for extraction condensing unit and heating energy saving method |
| CN202441442U (en) * | 2012-02-17 | 2012-09-19 | 广东省电力设计研究院 | Regenerated steam-driven draught fan thermodynamic cycle system of air cooling unit of power plant |
| CN103017231A (en) * | 2012-12-11 | 2013-04-03 | 华电电力科学研究院 | Heat supply network water circulating pump energy-saving driving system of thermal power plant |
| CN103195521A (en) * | 2013-04-23 | 2013-07-10 | 上海汽轮机厂有限公司 | Double-turbine steam thermodynamic system with regenerative steam extraction function |
| CN204299632U (en) * | 2014-11-21 | 2015-04-29 | 华电国际电力股份有限公司技术服务中心 | For back pressure machine acting and the heating arrangement of Steam Turbine Through IP Admission steam discharge heating network |
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