CN103884008B - A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system - Google Patents

A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system Download PDF

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Publication number
CN103884008B
CN103884008B CN201410051254.6A CN201410051254A CN103884008B CN 103884008 B CN103884008 B CN 103884008B CN 201410051254 A CN201410051254 A CN 201410051254A CN 103884008 B CN103884008 B CN 103884008B
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China
Prior art keywords
heater
gateway station
heating network
back pressure
steam turbine
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CN201410051254.6A
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Chinese (zh)
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CN103884008A (en
Inventor
张永密
苏振勇
李川斌
王修成
姜维军
石德静
王勇
王刚
王虎
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HUADIAN QINGDAO POWER GENERATION Co Ltd
SHANDONG HONGAO ELECTRIC POWER TECHNOLOGY Co Ltd
SHANDONG BRANCH OF HUADIAN POWER INTERNATIONAL Corp Ltd
Original Assignee
HUADIAN QINGDAO POWER GENERATION Co Ltd
SHANDONG HONGAO ELECTRIC POWER TECHNOLOGY Co Ltd
SHANDONG BRANCH OF HUADIAN POWER INTERNATIONAL Corp Ltd
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Priority to CN201410051254.6A priority Critical patent/CN103884008B/en
Publication of CN103884008A publication Critical patent/CN103884008A/en
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Abstract

The present invention and a kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, described Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row system of dredging comprises #2,4 Gateway Station in Heating Network High Back Pressure Steam Turbine Units, and the Sealing Water for Feedwater Pump of described #2 Gateway Station in Heating Network High Back Pressure Steam Turbine Units and low pressure cylinder spray are all switched to adjacent machine condensate water and supply water; #1A, 1B heater condensate of described Gateway Station in Heating Network is recycled to #2,4 Gateway Station in Heating Network High Back Pressure Steam Turbine Units oxygen-eliminating devices simultaneously, and on water return pipeline, add hydrophobic electronic pitch; It can solve the conveying of existing heat supply network condensate water and retracting device and the reasonable distribution that cannot realize hydrophobic flow existing for method thereof, complex structure, cost is higher, use complex operation, and easily there is unit water level to interact, significantly disturbance is abnormal, causes the problem of toning, meets the needs of heat supply network real work.

Description

A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system
Technical field
The invention belongs to Gateway Station in Heating Network technical field, relate to a kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row and dredge system, particularly relate to a kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row and dredge system.
Background technology
The High Back Pressure Steam Turbine Units of current Gateway Station in Heating Network is under high back pressure supplies thermal condition, its many Sealing Water for Feedwater Pump (30t/h), low pressure cylinder spray (20t/h) are all switched to adjacent machine condensate water and supply water, its condensing water temperature is increased to 80 DEG C, partial coagulation water user receives impact and cannot use, the redundancy water yield that this High Back Pressure Steam Turbine Units produces, if discharge can cause condenser, deaerator level high not in time, thus cause threatening unit safety operation.
Number of patent application is " 201310224185.X ", application publication number is " CN103292378A ", name is called the Chinese invention patent application of " a kind of for the boiler wastewater of heat supply network and the recovery method of waste heat ", disclose in one for the boiler wastewater of heat supply network and the recovery method of waste heat, by arranging the retracting device of a boiler wastewater and waste heat, in the retracting device of boiler wastewater and waste heat, be mixed into the hot water of 80-90 DEG C with boiler blowdown water by drawing the heating circulation water of getting a part from heat supply network, by the retracting device of boiler wastewater and waste heat, mixed hot water is sent into heat supply network again.Although the water that the method can be discharged because of blowdown boiler and waste heat effectively reclaim, because it adopts single retracting device, the reasonable distribution of hydrophobic flow cannot be realized.
Number of patent application is " 201020187654.7 ", Authorization Notice No. is " CN201844197U ", name is called the Chinese utility model patent of " a kind of condensation water recycling and residual heat using device thereof ", disclose a kind of condensation water recycling and residual heat using device thereof, comprise be connected with high steam heat supply network pressure-vessel A, controlling valve A, organize steam trap A, controlling valve B, pipe-line mixer A, controlling valve C, pressure-vessel B, it is connected by pipeline successively; Pressure-vessel A top is provided with safety valve A; The exhaust outlet of described pressure-vessel A is connected with heat transmission equipment B by the pipeline being provided with controlling valve D.Although this condensation water recycling and residual heat using device thereof can realize conveying and the recovery of condensate water, due to its complex structure, cost is higher, uses complex operation, and easily there is unit water level and interact, and significantly disturbance is abnormal, causes the problem of toning.
On the whole, the conveying of more existing heat supply network condensate water and retracting device and method thereof, many existence cannot realize the reasonable distribution of hydrophobic flow, complex structure, cost is higher, uses complex operation, and easily there is unit water level to interact, significantly disturbance is abnormal, causes the problem of toning, cannot meet the needs of heat supply network real work.
Summary of the invention
The object of the invention is to, a kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield is provided to arrange the system of dredging, solve the conveying of existing heat supply network condensate water and retracting device and the reasonable distribution that cannot realize hydrophobic flow existing for method thereof, complex structure, cost is higher, uses complex operation, and easily there is unit water level to interact, significantly disturbance is abnormal, causes the problem of toning, to meet the needs of heat supply network real work.
For achieving the above object, the invention provides a kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row and dredge system, comprise #2 unit and #4 unit, the Sealing Water for Feedwater Pump of described #2 unit and low pressure cylinder spray are all switched to adjacent machine condensate water and supply water; The #1A heater of described Gateway Station in Heating Network, #1B heater condensate are recycled to #2 unit oxygen-eliminating device condensate water inlet tube, #4 unit oxygen-eliminating device condensate water inlet tube simultaneously, and add on water return pipeline and hydrophobicly use electronic pitch.
In above scheme preferably, described #2 unit is High Back Pressure Steam Turbine Units.
In above either a program preferably, stripping confession is carried out by #2 unit heat supply pipeline in the admission vapour source of described #1A heater, #1B heater, hydrophobic after heat exchange via described electronic pitch distribution portion to #4 unit oxygen-eliminating device condensate water inlet tube.
In above either a program preferably, described #2 unit heat supply pipeline carrys out vapour and adopts #2 unit intermediate pressure cylinder to draw gas source of the gas.
In above either a program preferably, the described hydrophobic quantity with electronic pitch is two, i.e. the electronic pitch of #2 unit oxygen-eliminating device and the electronic pitch of #4 unit oxygen-eliminating device.
In above either a program preferably, the electronic pitch of described #2 unit oxygen-eliminating device is arranged on the top of #2 unit oxygen-eliminating device.
In above either a program preferably, described #2 unit oxygen-eliminating device electric adjustable adds flow-through orifice in front of the door.
In above either a program preferably, the electronic pitch of described #4 unit oxygen-eliminating device is arranged on the top of #4 unit oxygen-eliminating device.
In above either a program preferably, the electronic pitch of described #4 unit oxygen-eliminating device is stabilized in the aperture of 50%.
In above either a program preferably, the electronic pitch of described #2 unit oxygen-eliminating device regulates and distributes the water yield, and links up in time with the electronic pitch of #4 unit oxygen-eliminating device.
In above either a program preferably, the Sealing Water for Feedwater Pump of described #2 unit is 30t/h.
In above either a program preferably, the low pressure cylinder spray of described #2 unit is 20t/h.
In above either a program preferably, described Gateway Station in Heating Network is equipped with 8 heaters altogether, and wherein #1A, #1B, #2A, #2B heater is pipe heat exchanger, and #3A, #3B, #4A, #4B heater is plate type heat exchanger.
In above either a program preferably, described #1 unit and be provided with #1 unit between #4A heater and #4B heater to #4A, #4B heater steam supply Electrically operated gate.
In above either a program preferably, the heat supply running mode of described Gateway Station in Heating Network is: first circulation network of rivers backwater enters #2 unit condenser and once heat, be heated to 80 DEG C by 55 DEG C, then enter pipe heat exchanger and carry out heat supply after post bake to 100 DEG C.
In above either a program preferably, it is #1A heater, the heating of #1B heater steam supply that described post bake carrys out vapour primarily of #2 unit heat supply pipeline, is come that vapour is #2A heater, #2B heater steam supply supplements when temperature is not enough by #1 unit heat supply pipeline.
In above either a program preferably, described #1 unit heat supply pipeline carrys out vapour and adopts #1 unit intermediate pressure cylinder to draw gas source of the gas.
In above either a program preferably, the workflow of described #1A heater, #1B heater: described #2 unit heat supply pipeline carrys out vapour and always enters #1A heater, #1B heater admission mother pipe behind the door through #2 unit to #1A, #1B heater steam supply Electrically operated gate and the admission of #1A, #1B heater, and then distribute vapour amount by the respective admission Electrically operated gate of #1A heater, #1B heater and admission pitch and carry out heat exchange, #1A heater condensate after heat exchange, #1B heater condensate enters #1 drain trap via confluxing after respective normal hydrophobic manually operated door and normal hydrophobic Electrically operated gate respectively, then by #1A drainage pump, #1B drainage pump, #1C drainage pump pressurization to enter Gateway Station in Heating Network after the hydrophobic adjustment doors of #1 drain trap regulates hydrophobic to #2 unit oxygen-eliminating device pipeline, #4 unit oxygen-eliminating device pipeline, finally the recycling #2 electronic pitch of unit oxygen-eliminating device and the electronic pitch reasonable distribution of #4 unit oxygen-eliminating device are to #2 unit oxygen-eliminating device condensate water inlet tube, #4 unit oxygen-eliminating device condensate water inlet tube, realize the discharge of the #2 unit redundancy water yield.
In above either a program preferably, the side of described #1A drainage pump is connected with #1A drainage pump entrance door, and opposite side is connected with #1A drainage pump outlet non-return door and #1A drainage pump outlet Electrically operated gate in turn; The side of described #1B drainage pump is connected with #1B drainage pump entrance door, and opposite side is connected with #1B drainage pump outlet non-return door and #1B drainage pump outlet Electrically operated gate in turn; The side of described #1C drainage pump is connected with #1C drainage pump entrance door, and opposite side is connected with #1C drainage pump outlet non-return door and #1C drainage pump outlet Electrically operated gate in turn.
In above either a program preferably, described #1A drainage pump entrance door, #1B drainage pump entrance door and #1C drainage pump entrance door are all connected with discharging valve.
In above either a program preferably, described #1A drainage pump outlet Electrically operated gate, #1B drainage pump outlet Electrically operated gate and #1C drainage pump outlet Electrically operated gate are all connected with discharging valve.
In above either a program preferably, described #1A drainage pump outlet Electrically operated gate, #1B drainage pump outlet Electrically operated gate are all connected with #1, #2 heater condensate communicating door with #1C drainage pump outlet Electrically operated gate.
In above either a program preferably, described #1A drainage pump outlet Electrically operated gate, #1B drainage pump outlet Electrically operated gate are all connected with #1A, #1B, #1C drainage pump motorized recycling valve with #1C drainage pump outlet Electrically operated gate.
In above either a program preferably, the side of the hydrophobic adjustment doors of described #1 drain trap is provided with the hydrophobic adjustment front intercept valve of #1 drain trap, and its opposite side is provided with the hydrophobic adjustment rear intercept valve of #1 drain trap.
In above either a program preferably, the hydrophobic adjustment bypass door of #1 drain trap is connected with between described #1 drain trap hydrophobic adjustment front intercept valve and #1 drain trap hydrophobic adjustment rear intercept valve.
In above either a program preferably, Gateway Station in Heating Network is connected with between described #2 unit oxygen-eliminating device flowmeter, #4 unit oxygen-eliminating device flowmeter to #4 unit oxygen-eliminating device condensate water inlet tube hydrophobic to #4 unit oxygen-eliminating device non-return flap, manually operated door.
In above either a program preferably, described #2 unit oxygen-eliminating device flowmeter, #4 unit oxygen-eliminating device flowmeter and Gateway Station in Heating Network #3 drain trap hydrophobic to #2 unit oxygen-eliminating device manually once door be connected.
In above either a program preferably, described Gateway Station in Heating Network #3 drain trap is hydrophobic to #2 unit oxygen-eliminating device manually once door and Gateway Station in Heating Network is hydrophobic is connected to #2 unit oxygen-eliminating device pipeline one, two, three door hydrophobic.
In above either a program preferably, described Gateway Station in Heating Network is hydrophobic is connected to #2 unit oxygen-eliminating device pipeline one, two, three door hydrophobic and Gateway Station in Heating Network are hydrophobic to #2 unit oxygen-eliminating device non-return flap.
In above either a program preferably, described Gateway Station in Heating Network is hydrophobic is manually once connected with #3A heater, #3B heater condensate to #4 unit communicating door to #4 unit oxygen-eliminating device non-return flap, manually operated door and Gateway Station in Heating Network #3 drain trap are hydrophobic to #2 unit oxygen-eliminating device between door.
In above either a program preferably, described Gateway Station in Heating Network #3 drain trap hydrophobic to #2 unit oxygen-eliminating device manually once door and Gateway Station in Heating Network #3 water-supply-pipe hydrophobic to #1 unit oxygen-eliminating device once in front of the door sampling gate be connected.
In above either a program preferably, the admission Electrically operated gate of described #1A heater is #1A heater admission Electrically operated gate, and the admission pitch of described #1A heater is #1A heater admission pitch.
In above either a program preferably, described #1A heater admission Electrically operated gate is connected with draining valve after #1A heater admission Electrically operated gate.
In above either a program preferably, described #1A heater admission pitch is connected with the forward and backward draining valve of #1A heater admission pitch.
In above either a program preferably, the admission Electrically operated gate of described #1B heater is #1B heater admission Electrically operated gate, and the admission pitch of described #1B heater is #1B heater admission pitch.
In above either a program preferably, described #1B heater admission Electrically operated gate is connected with draining valve after #1B heater admission Electrically operated gate.
In above either a program preferably, described #1B heater admission pitch is connected with the forward and backward draining valve of #1B heater admission pitch.
In above either a program preferably, the #1A heater condensate after described heat exchange enters #1 drain trap via confluxing after the normal hydrophobic manually operated door of its #1A heater and #1A heater condensate Electrically operated gate.
In above either a program preferably, the #1B heater condensate after described heat exchange enters #1 drain trap via confluxing after the normal hydrophobic manually operated door of its #1B heater and #1B heater condensate Electrically operated gate.
In above either a program preferably, described #1 drain trap is also connected with discharging valve.
In above either a program preferably, described #1 drain trap is also connected with #1A heater, the female pipe wicket of #1B heater condensate.
In above either a program preferably, the normal hydrophobic manually operated door of described #1B heater is also connected with #1B heater emergent drain door.
In above either a program preferably, the normal hydrophobic manually operated door of described #1A heater is also connected with #1A heater emergent drain door.
In above either a program preferably, described #1B heater emergent drain door, #1A heater emergent drain door are also changed well with #1 and are connected, so that heat exchangers for district heating emergent drain is changed well to #1.
In above either a program preferably, described #2 drain trap is also connected with discharging valve.
In above either a program preferably, described #2 drain trap is also connected with the female pipe wicket of #1A heater condensate, the female pipe wicket of #1B heater condensate.
In above either a program preferably, the normal hydrophobic manually operated door of described #2B heater is also connected with #2B heater emergent drain door.
In above either a program preferably, the normal hydrophobic manually operated door of described #2A heater is also connected with #2A heater emergent drain door.
In above either a program preferably, described #2B heater emergent drain door, #2A heater emergent drain door are also changed well with #1 and are connected, so that heat exchangers for district heating emergent drain is changed well to #1.
In above either a program preferably, described #1A heater is also connected with #1A heater and runs exhaust valve.
In above either a program preferably, described #1A heater is also connected with #1A heater vapour side and starts exhaust valve.
In above either a program preferably, described #1A heater is also connected with #1A heater water inlet Electrically operated gate.
In above either a program preferably, wicket is provided with between described #1A heater water inlet Electrically operated gate and #1A heater.
In above either a program preferably, described #1A heater is also connected with #1A heater water side and starts exhaust valve.
In above either a program preferably, described #1A heater is also connected with #1A heater water and is sidelong water valve.
In above either a program preferably, described #1A heater is also connected with water side safety valve.
In above either a program preferably, described #1A heater is also connected with #1A heater water outlet Electrically operated gate.
In above either a program preferably, described #1A heater water outlet Electrically operated gate is connected with #1A heater by wicket.
In above either a program preferably, described #1B heater is also connected with #1B heater and runs exhaust valve.
In above either a program preferably, described #1B heater is also connected with #1B heater vapour side and starts exhaust valve.
In above either a program preferably, described #1B heater is also connected with #1B heater water inlet Electrically operated gate.
In above either a program preferably, described #1B heater water inlet Electrically operated gate and #3A heater total door, #3B heater total door of intaking of intaking is connected.
In above either a program preferably, wicket is provided with between described #1B heater water inlet Electrically operated gate and #1B heater.
In above either a program preferably, described #1B heater is also connected with #1B heater water side and starts exhaust valve.
In above either a program preferably, described #1B heater is also connected with #1B heater water and is sidelong water valve.
In above either a program preferably, described #1B heater is also connected with water side safety valve.
In above either a program preferably, described #1B heater is also connected with #1B heater water outlet Electrically operated gate.
In above either a program preferably, described #1B heater water outlet Electrically operated gate is connected with #1B heater by wicket.
In above either a program preferably, described #1A heater is also connected with #1A heater balance gate, described #1B heater is also connected with #1B heater balance gate, described #1A heater balance gate is connected with #1B heater balance gate.
In above either a program preferably, #1A heater vapour side safety valve is provided with between described #1A heater and #1A heater balance gate.
In above either a program preferably, #1B heater vapour side safety valve is provided with between described #1B heater and #1B heater balance gate.
In above either a program preferably, described #1A heater and #1B heater are all connected with #4 circulation pump of heat-supply network back pressure unit steam discharge communicating door, #5 circulation pump of heat-supply network back pressure unit steam discharge communicating door.
In above either a program preferably, the workflow of described #2A heater, #2B heater: described #1 unit heat supply pipeline carrys out vapour and always enters #2A heater admission mother pipe, #2B heater admission mother pipe behind the door through #1 unit to #2A heater steam supply Electrically operated gate, #2B heater steam supply Electrically operated gate and the total door of #2A heater steam supply, #2B heater steam supply, and then distribute vapour amount by the respective admission Electrically operated gate of #2A heater, #2B heater and admission pitch and carry out heat exchange; #2A heater condensate after heat exchange, #2B heater condensate enter #2 drain trap via confluxing after respective normal hydrophobic Electrically operated gate and normal hydrophobic manually operated door respectively, then to be pressurizeed by 2A heat supply network drainage pump, 2B heat supply network drainage pump and after the hydrophobic adjustment doors of #2 drain trap regulates, enter Gateway Station in Heating Network hydrophobic to #1 unit oxygen-eliminating device condensate water inlet tube, #3 unit oxygen-eliminating device condensate water inlet tube, the last Gateway Station in Heating Network drain recovery manually operated door being opened into #1 unit or #3 unit oxygen-eliminating device top according to actual conditions respectively, by drain recovery to unit oxygen-eliminating device.
In above either a program preferably, the admission Electrically operated gate of described #2A heater is #2A heater admission Electrically operated gate, and the admission pitch of described #2A heater is #2A heater admission pitch.
In above either a program preferably, the admission Electrically operated gate of described #2B heater is #2B heater admission Electrically operated gate, and the admission pitch of described #2B heater is #2B heater admission pitch.
In above either a program preferably, the #2A heater condensate after described heat exchange enters #2 drain trap via confluxing after the normal hydrophobic Electrically operated gate of #2A heater and the normal hydrophobic manually operated door of #2A heater.
In above either a program preferably, the #2B heater condensate after described heat exchange enters #2 drain trap via confluxing after the normal hydrophobic Electrically operated gate of #2B heater and the normal hydrophobic manually operated door of #2B heater.
In above either a program preferably, described #2A heater admission Electrically operated gate is connected with draining valve after #2A heater admission Electrically operated gate.
In above either a program preferably, described #2A heater admission pitch is connected with the forward and backward draining valve of #2A heater admission pitch.
In above either a program preferably, described #2B heater admission Electrically operated gate is connected with draining valve after #2B heater admission Electrically operated gate.
In above either a program preferably, described #2B heater admission pitch is connected with the forward and backward draining valve of #2B heater admission pitch.
In above either a program preferably, described #2A heater is also provided with #2A heater water inlet Electrically operated gate.
In above either a program preferably, wicket is provided with before described #2A heater water inlet Electrically operated gate.
In above either a program preferably, described #2A heater is also provided with #2A heater water outlet Electrically operated gate.
In above either a program preferably, described #2A heater is also provided with #2A heater and runs steam discharge door.
In above either a program preferably, described #2A heater runs steam discharge door and is provided with #2A heater vapour side safety valve.
In above either a program preferably, described #2A heater is also provided with #2A heater vapour side and starts exhaust valve.
In above either a program preferably, described #2A heater is also provided with water side safety valve.
In above either a program preferably, described #2A heater is also provided with #2A heater balance gate.
In above either a program preferably, described #2B heater is also provided with #2B heater water inlet Electrically operated gate.
In above either a program preferably, wicket is provided with before described #2B heater water inlet Electrically operated gate.
In above either a program preferably, described #2B heater is also provided with #2B heater water outlet Electrically operated gate.
In above either a program preferably, described #2B heater is also provided with #2B heater and runs steam discharge door.
In above either a program preferably, described #2B heater runs steam discharge door and is provided with #2B heater vapour side safety valve.
In above either a program preferably, described #2B heater is also provided with #2B heater vapour side and starts exhaust valve.
In above either a program preferably, described #2B heater is also provided with water side safety valve.
In above either a program preferably, described #2B heater is also provided with #2B heater balance gate.
In above either a program preferably, described #2A heater balance gate is connected by steam equalizing pipe with #2B heater balance gate.
In above either a program preferably, the heat supply network at described Gateway Station in Heating Network place, it comprises vapour net and two kinds, network of rivers energy-provision way, and described #3 unit, #4 unit mainly provide the vapour source of vapour net energy-provision way, and described #1 unit, #2 unit mainly provide the vapour source of network of rivers energy-provision way and Gateway Station in Heating Network.
In above either a program preferably, communicating door is provided with between described vapour source and network of rivers heater steam admission side.
In above either a program preferably, described communicating door is that the female pipe of A heat supply network is to the female pipe of #1A heater, #1B heater steam supply Electrically operated gate and B heat supply network to #2A heater, #2B heater steam supply Electrically operated gate; Described communicating door can to realize by the female pipe of vapour net, to Gateway Station in Heating Network heater steam supply, can ensureing effective thermal source of Gateway Station in Heating Network when #1 unit, #2 unit break down.
Compared with prior art, the present invention has the following advantages:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row of the present invention dredges system, it is recycled to #2,4 Gateway Station in Heating Network High Back Pressure Steam Turbine Units oxygen-eliminating devices by #1A, 1B Gateway Station in Heating Network heater condensate simultaneously, water return pipeline installs hydrophobic electric adjustable behind the door additional, realize the reasonable distribution of hydrophobic flow; During Winter heat supply season, drawn gas by #2 Gateway Station in Heating Network High Back Pressure Steam Turbine Units intermediate pressure cylinder and provide in #1A, 1B Gateway Station in Heating Network heater admission vapour source, hydrophobic after heat exchange can distribute a part to #4 Gateway Station in Heating Network High Back Pressure Steam Turbine Units oxygen-eliminating device via above-mentioned electronic pitch, efficiently solve the problem of the #2 Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield; And by installing flow-through orifice additional in front of the door at #2 Gateway Station in Heating Network High Back Pressure Steam Turbine Units oxygen-eliminating device top hydrophobic electric adjustable, in distribution, can accomplish to know what's what during #1A, 1B Gateway Station in Heating Network heater condensate flow, thus prevent #2,4 Gateway Station in Heating Network High Back Pressure Steam Turbine Units deaerator levels interact, and avoid the exception of significantly disturbance; Regulative mode preferably stablizes the hydrophobic electronic pitch of #4 Gateway Station in Heating Network High Back Pressure Steam Turbine Units in certain aperture, as 50%, the hydrophobic electronic pitch of main #2 Gateway Station in Heating Network High Back Pressure Steam Turbine Units regulates and distributes the water yield and accomplishes the timely communication with #4 Gateway Station in Heating Network High Back Pressure Steam Turbine Units, prevent #2,4 Gateway Station in Heating Network High Back Pressure Steam Turbine Units regulate increase disturbance factor simultaneously, avoid causing toning.It can solve the conveying of existing heat supply network condensate water and retracting device and the reasonable distribution that cannot realize hydrophobic flow existing for method thereof, complex structure, cost is higher, use complex operation, and easily there is unit water level to interact, significantly disturbance is abnormal, causes the problem of toning, can meet the needs of heat supply network real work.
Accompanying drawing explanation
Fig. 1 is that the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield of the present invention row dredges the #1A heater of system and the structural representation of #1B heater section;
Fig. 2 is the total schematic diagram of structure of Gateway Station in Heating Network;
Fig. 3 is the heating power first phase backwater of Gateway Station in Heating Network and the partial structurtes schematic diagram of harbor heat supply backwater part;
Fig. 4 is #1 to the #3 pumps for hot water supply net of Gateway Station in Heating Network and the partial structurtes schematic diagram of #4 to #6 steam-operating pumps for hot water supply net part;
Fig. 5 is the #2A heater of Gateway Station in Heating Network and the partial structurtes schematic diagram of #2B heater section;
Fig. 6 is the #4A heater of Gateway Station in Heating Network and the partial structurtes schematic diagram of #4B heater section;
Fig. 7 is the #1 drain trap of Gateway Station in Heating Network and the partial structurtes schematic diagram of #2 drain trap part;
Fig. 8 is the #3A heater of Gateway Station in Heating Network and the partial structurtes schematic diagram of #3B heater section;
Fig. 9 is #1A, #1B, #1C drainage pump motorized recycling valve of Gateway Station in Heating Network, #1, #2 heater condensate communicating door, the partial structurtes schematic diagram of #2A, #2B drainage pump motorized recycling valve part;
Figure 10 is the partial structurtes schematic diagram of the closed-up water main road components of system as directed of Gateway Station in Heating Network;
Figure 11 is the #3 drain trap of Gateway Station in Heating Network and the partial structurtes schematic diagram of #4 drain trap part.
Detailed description of the invention
In order to understand the present invention better, below in conjunction with specific embodiment, the present invention is explained in detail.But, obviously can carry out different modification and remodeling to the present invention and not exceed the wider spirit and scope of the present invention of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment 1:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and comprise #2 unit and #4 unit, the Sealing Water for Feedwater Pump of described #2 unit and low pressure cylinder spray are all switched to adjacent machine condensate water and supply water; The #1A heater of described Gateway Station in Heating Network, #1B heater condensate are recycled to #2 machine oxygen-eliminating device condensate water inlet tube, #4 machine oxygen-eliminating device condensate water inlet tube simultaneously, and add on water return pipeline and hydrophobicly use electronic pitch.
Embodiment 2:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 1, difference is, described #2 unit is High Back Pressure Steam Turbine Units.
Embodiment 3:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 2, difference is, stripping confession is carried out by #2 unit heat supply pipeline in the admission vapour source of described #1A heater, #1B heater, hydrophobic after heat exchange via described electronic pitch distribution portion to #4 machine oxygen-eliminating device condensate water inlet tube.
Embodiment 4:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 3, difference is, described #2 unit heat supply pipeline carrys out vapour and adopts #2 unit intermediate pressure cylinder to draw gas source of the gas.
Embodiment 5:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 4, difference is, the described hydrophobic quantity with electronic pitch is two, i.e. the electronic pitch of #2 machine oxygen-eliminating device and the electronic pitch of #4 machine oxygen-eliminating device.
Embodiment 6:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 5, difference is, the electronic pitch of described #2 machine oxygen-eliminating device is arranged on the top of #2 unit oxygen-eliminating device.
Embodiment 7:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 6, difference is, described #2 machine oxygen-eliminating device electric adjustable adds flow-through orifice in front of the door.
Embodiment 8:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 7, difference is, the electronic pitch of described #4 machine oxygen-eliminating device is arranged on the top of #4 unit oxygen-eliminating device.
Embodiment 9:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 8, difference is, the electronic pitch of described #4 machine oxygen-eliminating device is stabilized in the aperture of 50%.
Embodiment 10:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 9, difference is, the electronic pitch of described #2 machine oxygen-eliminating device regulates and distributes the water yield, and links up in time with the electronic pitch of #4 machine oxygen-eliminating device.
Embodiment 11:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 10, difference is, the Sealing Water for Feedwater Pump of described #2 unit is 30t/h.
Embodiment 12:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 11, difference is, the low pressure cylinder spray of described #2 unit is 20t/h.
Embodiment 13:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 10, difference is, described Gateway Station in Heating Network is equipped with 8 heaters altogether, wherein #1A, #1B, #2A, #2B heater is pipe heat exchanger, and #3A, #3B, #4A, #4B heater is plate type heat exchanger.
Embodiment 14:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 13, difference is, described #1 unit and be provided with #1 unit between #4A heater and #4B heater to #4A, #4B heater steam supply Electrically operated gate.
Embodiment 15:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 13, difference is, the heat supply running mode of described Gateway Station in Heating Network is: first circulation network of rivers backwater enters #2 unit condenser and once heat, be heated to 80 DEG C by 55 DEG C, then enter pipe heat exchanger and carry out heat supply after post bake to 100 DEG C.
Embodiment 16:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 15, difference is,: it is #1A heater, the heating of #1B heater steam supply that described post bake carrys out vapour primarily of #2 unit heat supply pipeline, is come that vapour is #2A heater, #2B heater steam supply supplements when temperature is not enough by #1 unit heat supply pipeline.
Embodiment 17:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 16, difference is, described #1 unit heat supply pipeline carrys out vapour and adopts #1 unit intermediate pressure cylinder to draw gas source of the gas.
Embodiment 18:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 17, difference is, the workflow of described #1A heater, #1B heater: described #2 unit heat supply pipeline carrys out vapour and always enters #1A heater, #1B heater admission mother pipe behind the door through #2 unit to #1A, #1B heater steam supply Electrically operated gate and the admission of #1A, #1B heater, and then distribute vapour amount by the respective admission Electrically operated gate of #1A heater, #1B heater and admission pitch and carry out heat exchange; #1A heater condensate after heat exchange, #1B heater condensate enter #1 drain trap via confluxing after respective normal hydrophobic manually operated door and normal hydrophobic Electrically operated gate respectively, then to be pressurizeed by #1A drainage pump, #1B drainage pump, #1C drainage pump and after the hydrophobic adjustment doors of #1 drain trap regulates, enter Gateway Station in Heating Network hydrophobic to #2,4 unit oxygen-eliminating device pipelines, finally the recycling #2 electronic pitch of machine oxygen-eliminating device and the electronic pitch reasonable distribution of #4 machine oxygen-eliminating device are to #2 machine oxygen-eliminating device condensate water inlet tube, #4 machine oxygen-eliminating device condensate water inlet tube, realize the discharge of the #2 unit redundancy water yield.
Embodiment 19:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 18, difference is, the side of described #1A drainage pump is connected with #1A drainage pump entrance door, and opposite side is connected with #1A drainage pump outlet non-return door and #1A drainage pump outlet Electrically operated gate in turn; The side of described #1B drainage pump is connected with #1B drainage pump entrance door, and opposite side is connected with #1B drainage pump outlet non-return door and #1B drainage pump outlet Electrically operated gate in turn; The side of described #1C drainage pump is connected with #1C drainage pump entrance door, and opposite side is connected with #1C drainage pump outlet non-return door and #1C drainage pump outlet Electrically operated gate in turn.
Embodiment 20:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 19, difference is, described #1A drainage pump entrance door, #1B drainage pump entrance door and #1C drainage pump entrance door are all connected with discharging valve; Described #1A drainage pump outlet Electrically operated gate, #1B drainage pump outlet Electrically operated gate and #1C drainage pump outlet Electrically operated gate are all connected with discharging valve; Described #1A drainage pump outlet Electrically operated gate, #1B drainage pump outlet Electrically operated gate are all connected with #1, #2 heater condensate communicating door with #1C drainage pump outlet Electrically operated gate; Described #1A drainage pump outlet Electrically operated gate, #1B drainage pump outlet Electrically operated gate are all connected with #1A, #1B, #1C drainage pump motorized recycling valve with #1C drainage pump outlet Electrically operated gate.
Embodiment 21:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 20, difference is, the side of the hydrophobic adjustment doors of described #1 drain trap is provided with the hydrophobic adjustment front intercept valve of #1 drain trap, and its opposite side is provided with the hydrophobic adjustment rear intercept valve of #1 drain trap; The hydrophobic adjustment bypass door of #1 drain trap is connected with between described #1 drain trap hydrophobic adjustment front intercept valve and #1 drain trap hydrophobic adjustment rear intercept valve; Gateway Station in Heating Network is connected with hydrophobic to #4 unit oxygen-eliminating device non-return flap, manually operated door between described #2, #4 unit oxygen-eliminating device flowmeter to #4 machine oxygen-eliminating device condensate water inlet tube; Described #2, #4 unit oxygen-eliminating device flowmeter and Gateway Station in Heating Network #3 drain trap hydrophobic to #2 unit oxygen-eliminating device manually once door be connected; Described Gateway Station in Heating Network #3 drain trap is hydrophobic to #2 unit oxygen-eliminating device manually once door and Gateway Station in Heating Network is hydrophobic is connected to #2 unit oxygen-eliminating device pipeline one, two, three door hydrophobic; Described Gateway Station in Heating Network is hydrophobic to be connected to #2 unit oxygen-eliminating device pipeline one, two, three door hydrophobic and Gateway Station in Heating Network are hydrophobic to #2 unit oxygen-eliminating device non-return flap; Described Gateway Station in Heating Network is hydrophobic is manually once connected with #3A, 3B heater condensate to #4 machine communicating door to #4 unit oxygen-eliminating device non-return flap, manually operated door and Gateway Station in Heating Network #3 drain trap are hydrophobic to #2 unit oxygen-eliminating device between door; Described Gateway Station in Heating Network #3 drain trap hydrophobic to #2 unit oxygen-eliminating device manually once door and Gateway Station in Heating Network #3 water-supply-pipe hydrophobic to #1 machine oxygen-eliminating device once in front of the door sampling gate be connected.
Embodiment 22:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 18, difference is, the admission Electrically operated gate of described #1A heater is #1A heater admission Electrically operated gate, and the admission pitch of described #1A heater is #1A heater admission pitch.
Embodiment 23:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 22, difference is, described #1A heater admission Electrically operated gate is connected with draining valve after #1A heater admission Electrically operated gate; Described #1A heater admission pitch is connected with the forward and backward draining valve of #1A heater admission pitch.
Embodiment 24:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 22, difference is, the admission Electrically operated gate of described #1B heater is #1B heater admission Electrically operated gate, and the admission pitch of described #1B heater is #1B heater admission pitch.
Embodiment 25:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 24, difference is, described #1B heater admission Electrically operated gate is connected with draining valve after #1B heater admission Electrically operated gate; Described #1B heater admission pitch is connected with the forward and backward draining valve of #1B heater admission pitch.
Embodiment 26:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 24, difference is, the #1A heater condensate after described heat exchange enters #1 drain trap via confluxing after the normal hydrophobic manually operated door of its #1A heater and #1A heater condensate Electrically operated gate.
Embodiment 27:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 26, difference is, the #1B heater condensate after described heat exchange enters #1 drain trap via confluxing after the normal hydrophobic manually operated door of its #1B heater and #1B heater condensate Electrically operated gate.
Embodiment 28:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 27, difference is, described #1 drain trap is also connected with discharging valve; Described #1 drain trap is also connected with the female pipe wicket of #1A, 1B heater condensate; The normal hydrophobic manually operated door of described #1B heater is also connected with #1B heater emergent drain door; The normal hydrophobic manually operated door of described #1A heater is also connected with #1A heater emergent drain door.
Embodiment 29:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system; similar to embodiment 28; difference is, described #1B heater emergent drain door, #1A heater emergent drain door are also changed well with #1 and are connected, so that heat exchangers for district heating emergent drain is changed well to #1; Described #2 drain trap is also connected with discharging valve; Described #2 drain trap is also connected with the female pipe wicket of #1A, 1B heater condensate; The normal hydrophobic manually operated door of described #2B heater is also connected with #2B heater emergent drain door; The normal hydrophobic manually operated door of described #2A heater is also connected with #2A heater emergent drain door; Described #2B heater emergent drain door, #2A heater emergent drain door are also changed well with #1 and are connected, so that heat exchangers for district heating emergent drain is changed well to #1.
Embodiment 30:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 29, difference is, described #1A heater is also connected with #1A heater and runs exhaust valve; Described #1A heater is also connected with #1A heater vapour side and starts exhaust valve; Described #1A heater is also connected with #1A heater water inlet Electrically operated gate; Wicket is provided with between described #1A heater water inlet Electrically operated gate and #1A heater; Described #1A heater is also connected with #1A heater water side and starts exhaust valve; Described #1A heater is also connected with #1A heater water and is sidelong water valve; Described #1A heater is also connected with water side safety valve; Described #1A heater is also connected with #1A heater water outlet Electrically operated gate; Described #1A heater water outlet Electrically operated gate is connected with #1A heater by wicket.
Embodiment 31:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 30, difference is, described #1B heater is also connected with #1B heater and runs exhaust valve; Described #1B heater is also connected with #1B heater vapour side and starts exhaust valve; Described #1B heater is also connected with #1B heater water inlet Electrically operated gate; Described #1B heater water inlet Electrically operated gate and #3A, 3B heater total door of intaking is connected; Wicket is provided with between described #1B heater water inlet Electrically operated gate and #1B heater; Described #1B heater is also connected with #1B heater water side and starts exhaust valve; Described #1B heater is also connected with #1B heater water and is sidelong water valve; Described #1B heater is also connected with water side safety valve; Described #1B heater is also connected with #1B heater water outlet Electrically operated gate; Described #1B heater water outlet Electrically operated gate is connected with #1B heater by wicket.
Embodiment 32:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system; similar to embodiment 31; difference is; described #1A heater is also connected with #1A heater balance gate; described #1B heater is also connected with #1B heater balance gate, described #1A heater balance gate is connected with #1B heater balance gate; #1A heater vapour side safety valve is provided with between described #1A heater and #1A heater balance gate; #1B heater vapour side safety valve is provided with between described #1B heater and #1B heater balance gate; Described #1A heater and #1B heater are all connected with #4,5 circulation pump of heat-supply network back pressure machine steam discharge communicating doors.
Embodiment 33:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 27, difference is, the workflow of described #2A heater, #2B heater: described #1 unit heat supply pipeline carrys out vapour and always enters #2A, #2B heater admission mother pipe behind the door through #1 unit to #2A, #2B heater steam supply Electrically operated gate and #2A, #2B heater steam supply, and then distribute vapour amount by the respective admission Electrically operated gate of #2A heater, #2B heater and admission pitch and carry out heat exchange; #2A heater condensate after heat exchange, #2B heater condensate enter #2 drain trap via confluxing after respective normal hydrophobic Electrically operated gate and normal hydrophobic manually operated door respectively, then to be pressurizeed by 2A, 2B heat supply network drainage pump and after the hydrophobic adjustment doors of #2 drain trap regulates, enter Gateway Station in Heating Network hydrophobic to #1 machine oxygen-eliminating device condensate water inlet tube, #3 machine oxygen-eliminating device condensate water inlet tube, the last Gateway Station in Heating Network drain recovery manually operated door being opened into #1 unit or #3 unit oxygen-eliminating device top according to actual conditions respectively, by drain recovery to unit oxygen-eliminating device.
Embodiment 34:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 33, difference is, the admission Electrically operated gate of described #2A heater is #2A heater admission Electrically operated gate, and the admission pitch of described #2A heater is #2A heater admission pitch.
Embodiment 35:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 34, difference is, the admission Electrically operated gate of described #2B heater is #2B heater admission Electrically operated gate, and the admission pitch of described #2B heater is #2B heater admission pitch.
Embodiment 36:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 35, difference is, the #2A heater condensate after described heat exchange enters #2 drain trap via confluxing after the normal hydrophobic Electrically operated gate of #2A heater and the normal hydrophobic manually operated door of #2A heater.
Embodiment 37:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 36, difference is, the #2B heater condensate after described heat exchange enters #2 drain trap via confluxing after the normal hydrophobic Electrically operated gate of #2B heater and the normal hydrophobic manually operated door of #2B heater.
Embodiment 38:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 37, difference is, described #2A heater admission Electrically operated gate is connected with draining valve after #2A heater admission Electrically operated gate; Described #2A heater admission pitch is connected with the forward and backward draining valve of #2A heater admission pitch; Described #2B heater admission Electrically operated gate is connected with draining valve after #2B heater admission Electrically operated gate; Described #2B heater admission pitch is connected with the forward and backward draining valve of #2B heater admission pitch.
Embodiment 39:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 38, difference is, described #2A heater is also provided with #2A heater water inlet Electrically operated gate; Wicket is provided with before described #2A heater water inlet Electrically operated gate; Described #2A heater is also provided with #2A heater water outlet Electrically operated gate; Described #2A heater is also provided with #2A heater and runs steam discharge door; Described #2A heater runs steam discharge door and is provided with #2A heater vapour side safety valve; Described #2A heater is also provided with #2A heater vapour side and starts exhaust valve; Described #2A heater is also provided with water side safety valve; Described #2A heater is also provided with #2A heater balance gate.
Embodiment 40:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 39, difference is, described #2B heater is also provided with #2B heater water inlet Electrically operated gate; Wicket is provided with before described #2B heater water inlet Electrically operated gate; Described #2B heater is also provided with #2B heater water outlet Electrically operated gate; Described #2B heater is also provided with #2B heater and runs steam discharge door; Described #2B heater runs steam discharge door and is provided with #2B heater vapour side safety valve; Described #2B heater is also provided with #2B heater vapour side and starts exhaust valve; Described #2B heater is also provided with water side safety valve; Described #2B heater is also provided with #2B heater balance gate; Described #2A heater balance gate is connected by steam equalizing pipe with #2B heater balance gate.
Embodiment 41:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, similar to embodiment 40, difference is, the heat supply network at described Gateway Station in Heating Network place, it comprises vapour net and two kinds, network of rivers energy-provision way, described #3 unit, #4 unit mainly provide the vapour source of vapour net energy-provision way, and described #1 unit, #2 unit mainly provide the vapour source of network of rivers energy-provision way and Gateway Station in Heating Network.
Embodiment 42:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 41, difference is, is provided with communicating door between described vapour source and network of rivers heater steam admission side.
Embodiment 43:
A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system, and similar to embodiment 42, difference is, described communicating door is the female pipe of A heat supply network to #1A, #1B heater steam supply Electrically operated gate and the female pipe of B heat supply network to #2A, #2B heater steam supply Electrically operated gate.Described communicating door can to realize by the female pipe of vapour net, to Gateway Station in Heating Network heater steam supply, can ensureing effective thermal source of Gateway Station in Heating Network when #1 unit, #2 unit break down.

Claims (101)

1. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges a system, comprises #2 unit and #4 unit, it is characterized in that: the Sealing Water for Feedwater Pump of described #2 unit and low pressure cylinder spray are all switched to adjacent machine condensate water and supply water; The #1A heater of described Gateway Station in Heating Network, #1B heater condensate are recycled to #2 unit oxygen-eliminating device condensate water inlet tube, #4 unit oxygen-eliminating device condensate water inlet tube simultaneously, and add on water return pipeline and hydrophobicly use electronic pitch.
2. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row as claimed in claim 1 dredges system, it is characterized in that: described #2 unit is High Back Pressure Steam Turbine Units.
3. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row as claimed in claim 2 dredges system, it is characterized in that: stripping confession is carried out by #2 unit heat supply pipeline in the admission vapour source of described #1A heater, #1B heater, hydrophobic after heat exchange via described electronic pitch distribution portion to #4 unit oxygen-eliminating device condensate water inlet tube.
4. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row as claimed in claim 3 dredges system, it is characterized in that: described #2 unit heat supply pipeline carrys out vapour and adopts #2 unit intermediate pressure cylinder to draw gas source of the gas.
5. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row as claimed in claim 4 dredges system, it is characterized in that: the described hydrophobic quantity with electronic pitch is two, i.e. the electronic pitch of #2 unit oxygen-eliminating device and the electronic pitch of #4 unit oxygen-eliminating device.
6. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row as claimed in claim 5 dredges system, it is characterized in that: the electronic pitch of described #2 unit oxygen-eliminating device is arranged on the top of #2 unit oxygen-eliminating device.
7. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row as claimed in claim 6 dredges system, it is characterized in that: described #2 unit oxygen-eliminating device electric adjustable adds flow-through orifice in front of the door.
8. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row as claimed in claim 7 dredges system, it is characterized in that: the electronic pitch of described #4 unit oxygen-eliminating device is arranged on the top of #4 unit oxygen-eliminating device.
9. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row as claimed in claim 8 dredges system, it is characterized in that: the electronic pitch of described #4 unit oxygen-eliminating device is stabilized in the aperture of 50%.
10. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row as claimed in claim 9 dredges system, it is characterized in that: the electronic pitch of described #2 unit oxygen-eliminating device regulates and distributes the water yield, and links up in time with the electronic pitch of #4 unit oxygen-eliminating device.
11. according to any one of claim 1-10 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: the Sealing Water for Feedwater Pump of described #2 unit is 30t/h.
12. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 11 dredge system, it is characterized in that: the low pressure cylinder spray of described #2 unit is 20t/h.
13. according to any one of claim 1-10 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described Gateway Station in Heating Network is equipped with 8 heaters altogether, wherein #1A, #1B, #2A, #2B heater is pipe heat exchanger, and #3A, #3B, #4A, #4B heater is plate type heat exchanger.
The 14. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yields as claimed in claim 13 rows dredge system, it is characterized in that: described #1 unit and be provided with #1 unit between #4A heater and #4B heater to #4A, #4B heater steam supply Electrically operated gate.
15. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 13 dredge system, it is characterized in that: the heat supply running mode of described Gateway Station in Heating Network is: first circulation network of rivers backwater enters #2 unit condenser and once heat, be heated to 80 DEG C by 55 DEG C, then enter pipe heat exchanger and carry out heat supply after post bake to 100 DEG C.
16. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 15 dredge system, it is characterized in that: it is #1A heater, the heating of #1B heater steam supply that described post bake carrys out vapour primarily of #2 unit heat supply pipeline, when temperature is not enough, come by #1 unit heat supply pipeline that vapour is #2A heater, #2B heater steam supply supplements.
The 17. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yields as claimed in claim 16 rows dredge system, it is characterized in that: described #1 unit heat supply pipeline carrys out vapour and adopts #1 unit intermediate pressure cylinder to draw gas source of the gas.
18. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 17 dredge system, it is characterized in that: the workflow of described #1A heater, #1B heater: described #2 unit heat supply pipeline carrys out vapour and always enters #1A heater, #1B heater admission mother pipe behind the door through #2 unit to #1A, #1B heater steam supply Electrically operated gate and the admission of #1A, #1B heater, and then distribute vapour amount by the respective admission Electrically operated gate of #1A heater, #1B heater and admission pitch and carry out heat exchange, #1A heater condensate after heat exchange, #1B heater condensate enters #1 drain trap via confluxing after respective normal hydrophobic manually operated door and normal hydrophobic Electrically operated gate respectively, then by #1A drainage pump, #1B drainage pump, #1C drainage pump pressurization to enter Gateway Station in Heating Network after the hydrophobic adjustment doors of #1 drain trap regulates hydrophobic to #2 unit oxygen-eliminating device pipeline, #4 unit oxygen-eliminating device pipeline, finally the recycling #2 electronic pitch of unit oxygen-eliminating device and the electronic pitch reasonable distribution of #4 unit oxygen-eliminating device are to #2 unit oxygen-eliminating device condensate water inlet tube, #4 unit oxygen-eliminating device condensate water inlet tube, realize the discharge of the #2 unit redundancy water yield.
19. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 18 dredge system, it is characterized in that: the side of described #1A drainage pump is connected with #1A drainage pump entrance door, opposite side is connected with #1A drainage pump outlet non-return door and #1A drainage pump outlet Electrically operated gate in turn; The side of described #1B drainage pump is connected with #1B drainage pump entrance door, and opposite side is connected with #1B drainage pump outlet non-return door and #1B drainage pump outlet Electrically operated gate in turn; The side of described #1C drainage pump is connected with #1C drainage pump entrance door, and opposite side is connected with #1C drainage pump outlet non-return door and #1C drainage pump outlet Electrically operated gate in turn.
20. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 19 dredge system, it is characterized in that: described #1A drainage pump entrance door, #1B drainage pump entrance door and #1C drainage pump entrance door are all connected with discharging valve.
21. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 20 dredge system, it is characterized in that: described #1A drainage pump outlet Electrically operated gate, #1B drainage pump outlet Electrically operated gate and #1C drainage pump outlet Electrically operated gate are all connected with discharging valve.
22. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 21 dredge system, it is characterized in that: described #1A drainage pump outlet Electrically operated gate, #1B drainage pump outlet Electrically operated gate are all connected with #1, #2 heater condensate communicating door with #1C drainage pump outlet Electrically operated gate.
23. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 22 dredge system, it is characterized in that: described #1A drainage pump outlet Electrically operated gate, #1B drainage pump outlet Electrically operated gate are all connected with #1A, #1B, #1C drainage pump motorized recycling valve with #1C drainage pump outlet Electrically operated gate.
24. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 23 dredge system, it is characterized in that: the side of the hydrophobic adjustment doors of described #1 drain trap is provided with the hydrophobic adjustment front intercept valve of #1 drain trap, and its opposite side is provided with the hydrophobic adjustment rear intercept valve of #1 drain trap.
25. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 24 dredge system, it is characterized in that: be connected with the hydrophobic adjustment bypass door of #1 drain trap between described #1 drain trap hydrophobic adjustment front intercept valve and #1 drain trap hydrophobic adjustment rear intercept valve.
26. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 25 dredge system, it is characterized in that: be connected with Gateway Station in Heating Network between described #2 unit oxygen-eliminating device flowmeter, #4 unit oxygen-eliminating device flowmeter to #4 unit oxygen-eliminating device condensate water inlet tube hydrophobic to #4 unit oxygen-eliminating device non-return flap, manually operated door.
The 27. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yields as claimed in claim 26 rows dredge system, it is characterized in that: described #2 unit oxygen-eliminating device flowmeter, #4 unit oxygen-eliminating device flowmeter and Gateway Station in Heating Network #3 drain trap are hydrophobic to be connected to the manual once door of #2 unit oxygen-eliminating device.
The 28. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yields as claimed in claim 27 rows dredge system, it is characterized in that: described Gateway Station in Heating Network #3 drain trap is hydrophobic to #2 unit oxygen-eliminating device manually once door and Gateway Station in Heating Network is hydrophobic is connected to #2 unit oxygen-eliminating device pipeline one, two, three door hydrophobic.
The 29. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yields as claimed in claim 28 rows dredge system, it is characterized in that: described Gateway Station in Heating Network is hydrophobic to be connected to #2 unit oxygen-eliminating device pipeline one, two, three door hydrophobic and Gateway Station in Heating Network are hydrophobic to #2 unit oxygen-eliminating device non-return flap.
The 30. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yields as claimed in claim 29 rows dredge system, it is characterized in that: described Gateway Station in Heating Network is hydrophobic is manually once connected with #3A heater, #3B heater condensate to #4 unit communicating door to #4 unit oxygen-eliminating device non-return flap, manually operated door and Gateway Station in Heating Network #3 drain trap are hydrophobic to #2 unit oxygen-eliminating device between door.
The 31. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yields as claimed in claim 30 rows dredge system, it is characterized in that: described Gateway Station in Heating Network #3 drain trap hydrophobic to #2 unit oxygen-eliminating device manually once door and Gateway Station in Heating Network #3 water-supply-pipe hydrophobic to #1 unit oxygen-eliminating device once in front of the door sampling gate be connected.
32. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 18 dredge system, and it is characterized in that: the admission Electrically operated gate of described #1A heater is #1A heater admission Electrically operated gate, the admission pitch of described #1A heater is #1A heater admission pitch.
33. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 32 dredge system, it is characterized in that: described #1A heater admission Electrically operated gate is connected with draining valve after #1A heater admission Electrically operated gate.
34. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 33 dredge system, it is characterized in that: described #1A heater admission pitch is connected with the forward and backward draining valve of #1A heater admission pitch.
35. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 32 dredge system, and it is characterized in that: the admission Electrically operated gate of described #1B heater is #1B heater admission Electrically operated gate, the admission pitch of described #1B heater is #1B heater admission pitch.
36. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 35 dredge system, it is characterized in that: described #1B heater admission Electrically operated gate is connected with draining valve after #1B heater admission Electrically operated gate.
37. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 36 dredge system, it is characterized in that: described #1B heater admission pitch is connected with the forward and backward draining valve of #1B heater admission pitch.
38. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 35 dredge system, it is characterized in that: the #1A heater condensate after described heat exchange enters #1 drain trap via confluxing after the normal hydrophobic manually operated door of its #1A heater and #1A heater condensate Electrically operated gate.
39. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 38 dredge system, it is characterized in that: the #1B heater condensate after described heat exchange enters #1 drain trap via confluxing after the normal hydrophobic manually operated door of its #1B heater and #1B heater condensate Electrically operated gate.
40. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 39 dredge system, it is characterized in that: described #1 drain trap is also connected with discharging valve.
41. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 40 dredge system, it is characterized in that: described #1 drain trap is also connected with #1A heater, the female pipe wicket of #1B heater condensate.
42. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 41 dredge system, it is characterized in that: the normal hydrophobic manually operated door of described #1B heater is also connected with #1B heater emergent drain door.
43. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 42 dredge system, it is characterized in that: the normal hydrophobic manually operated door of described #1A heater is also connected with #1A heater emergent drain door.
44. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 43 dredge system, it is characterized in that: described #1B heater emergent drain door, #1A heater emergent drain door are also changed well with #1 and are connected, so that heat exchangers for district heating emergent drain is changed well to #1.
45. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 44 dredge system, it is characterized in that: described #2 drain trap is also connected with discharging valve.
46. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 45 dredge system, it is characterized in that: described #2 drain trap is also connected with the female pipe wicket of #1A heater condensate, the female pipe wicket of #1B heater condensate.
47. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 46 dredge system, it is characterized in that: the normal hydrophobic manually operated door of described #2B heater is also connected with #2B heater emergent drain door.
48. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 47 dredge system, it is characterized in that: the normal hydrophobic manually operated door of described #2A heater is also connected with #2A heater emergent drain door.
49. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 48 dredge system, it is characterized in that: described #2B heater emergent drain door, #2A heater emergent drain door are also changed well with #1 and are connected, so that heat exchangers for district heating emergent drain is changed well to #1.
50. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 49 dredge system, it is characterized in that: described #1A heater is also connected with #1A heater and runs exhaust valve.
51. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 50 dredge system, it is characterized in that: described #1A heater is also connected with #1A heater vapour side and starts exhaust valve.
52. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 51 dredge system, it is characterized in that: described #1A heater is also connected with #1A heater water inlet Electrically operated gate.
53. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 52 dredge system, it is characterized in that: be provided with wicket between described #1A heater water inlet Electrically operated gate and #1A heater.
54. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 53 dredge system, it is characterized in that: described #1A heater is also connected with #1A heater water side and starts exhaust valve.
55. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 54 dredge system, it is characterized in that: described #1A heater is also connected with #1A heater water and is sidelong water valve.
56. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 55 dredge system, it is characterized in that: described #1A heater is also connected with water side safety valve.
57. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 56 dredge system, it is characterized in that: described #1A heater is also connected with #1A heater water outlet Electrically operated gate.
58. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 57 dredge system, it is characterized in that: described #1A heater water outlet Electrically operated gate is connected with #1A heater by wicket.
59. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 58 dredge system, it is characterized in that: described #1B heater is also connected with #1B heater and runs exhaust valve.
60. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 59 dredge system, it is characterized in that: described #1B heater is also connected with #1B heater vapour side and starts exhaust valve.
61. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 60 dredge system, it is characterized in that: described #1B heater is also connected with #1B heater water inlet Electrically operated gate.
The 62. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yields as claimed in claim 61 rows dredge system, it is characterized in that: described #1B heater water inlet Electrically operated gate and #3A heater total door, #3B heater total door of intaking of intaking is connected.
63. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 62 dredge system, it is characterized in that: be provided with wicket between described #1B heater water inlet Electrically operated gate and #1B heater.
64. as described in claim 63 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #1B heater is also connected with #1B heater water side start exhaust valve.
65. as described in claim 64 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #1B heater is also connected with #1B heater water and is sidelong water valve.
66. as described in claim 65 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #1B heater is also connected with water side safety valve.
67. as described in claim 66 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #1B heater is also connected with #1B heater water outlet Electrically operated gate.
68. as described in claim 67 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #1B heater water outlet Electrically operated gate is connected with #1B heater by wicket.
69. as recited in claim 68 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #1A heater is also connected with #1A heater balance gate, described #1B heater is also connected with #1B heater balance gate, described #1A heater balance gate is connected with #1B heater balance gate.
70. as described in claim 69 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: between described #1A heater and #1A heater balance gate, be provided with #1A heater vapour side safety valve.
71. as described in claim 70 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: between described #1B heater and #1B heater balance gate, be provided with #1B heater vapour side safety valve.
72. as described in claim 71 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #1A heater and #1B heater are all connected with #4 circulation pump of heat-supply network back pressure unit steam discharge communicating door, #5 circulation pump of heat-supply network back pressure unit steam discharge communicating door.
73. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as claimed in claim 39 dredge system, it is characterized in that: the workflow of described #2A heater, #2B heater: described #1 unit heat supply pipeline carrys out vapour and always enters #2A heater admission mother pipe, #2B heater admission mother pipe behind the door through #1 unit to #2A heater steam supply Electrically operated gate, #2B heater steam supply Electrically operated gate and the total door of #2A heater steam supply, #2B heater steam supply, and then distribute vapour amount by the respective admission Electrically operated gate of #2A heater, #2B heater and admission pitch and carry out heat exchange; #2A heater condensate after heat exchange, #2B heater condensate enter #2 drain trap via confluxing after respective normal hydrophobic Electrically operated gate and normal hydrophobic manually operated door respectively, then to be pressurizeed by 2A heat supply network drainage pump, 2B heat supply network drainage pump and after the hydrophobic adjustment doors of #2 drain trap regulates, enter Gateway Station in Heating Network hydrophobic to #1 unit oxygen-eliminating device condensate water inlet tube, #3 unit oxygen-eliminating device condensate water inlet tube, the last Gateway Station in Heating Network drain recovery manually operated door being opened into #1 unit or #3 unit oxygen-eliminating device top according to actual conditions respectively, by drain recovery to unit oxygen-eliminating device.
74. as described in claim 73 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: the admission Electrically operated gate of described #2A heater is #2A heater admission Electrically operated gate, the admission pitch of described #2A heater is #2A heater admission pitch.
75. as described in claim 74 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: the admission Electrically operated gate of described #2B heater is #2B heater admission Electrically operated gate, the admission pitch of described #2B heater is #2B heater admission pitch.
76. as described in claim 75 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: the #2A heater condensate after described heat exchange enters #2 drain trap via confluxing after the normal hydrophobic Electrically operated gate of #2A heater and the normal hydrophobic manually operated door of #2A heater.
77. as described in claim 76 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: the #2B heater condensate after described heat exchange enters #2 drain trap via confluxing after the normal hydrophobic Electrically operated gate of #2B heater and the normal hydrophobic manually operated door of #2B heater.
78. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as described in claim 77 dredge system, it is characterized in that: described #2A heater admission Electrically operated gate is connected with draining valve after #2A heater admission Electrically operated gate.
79. as described in claim 78 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2A heater admission pitch is connected with the forward and backward draining valve of #2A heater admission pitch.
80. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as described in claim 79 dredge system, it is characterized in that: described #2B heater admission Electrically operated gate is connected with draining valve after #2B heater admission Electrically operated gate.
81. as described in claim 80 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2B heater admission pitch is connected with the forward and backward draining valve of #2B heater admission pitch.
82. as described in claim 81 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2A heater is also provided with #2A heater water inlet Electrically operated gate.
83. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as described in claim 82 dredge system, it is characterized in that: be provided with wicket before described #2A heater water inlet Electrically operated gate.
84. as described in claim 83 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2A heater is also provided with #2A heater water outlet Electrically operated gate.
85. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as described in claim 84 dredge system, it is characterized in that: described #2A heater is also provided with #2A heater and runs steam discharge door.
86. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as described in claim 85 dredge system, it is characterized in that: described #2A heater runs steam discharge door and is provided with #2A heater vapour side safety valve.
87. as described in claim 86 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2A heater is also provided with #2A heater vapour side start exhaust valve.
88. as described in claim 87 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2A heater is also provided with water side safety valve.
89. as described in claim 88 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2A heater is also provided with #2A heater balance gate.
90. as described in claim 89 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2B heater is also provided with #2B heater water inlet Electrically operated gate.
91. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as described in claim 90 dredge system, it is characterized in that: be provided with wicket before described #2B heater water inlet Electrically operated gate.
92. as described in claim 91 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2B heater is also provided with #2B heater water outlet Electrically operated gate.
93. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as described in claim 92 dredge system, it is characterized in that: described #2B heater is also provided with #2B heater and runs steam discharge door.
94. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as described in claim 93 dredge system, it is characterized in that: described #2B heater runs steam discharge door and is provided with #2B heater vapour side safety valve.
95. as described in claim 94 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2B heater is also provided with #2B heater vapour side start exhaust valve.
96. as described in claim 95 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2B heater is also provided with water side safety valve.
97. as described in claim 96 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2B heater is also provided with #2B heater balance gate.
98. as described in claim 97 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: described #2A heater balance gate is connected by steam equalizing pipe with #2B heater balance gate.
99. as described in claim 77 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: the heat supply network at described Gateway Station in Heating Network place, it comprises vapour net and two kinds, network of rivers energy-provision way, described #3 unit, #4 unit mainly provide the vapour source of vapour net energy-provision way, and described #1 unit, #2 unit mainly provide the vapour source of network of rivers energy-provision way and Gateway Station in Heating Network.
100. as described in claim 99 the Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredge system, it is characterized in that: between described vapour source and network of rivers heater steam admission side, be provided with communicating door.
101. Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield rows as described in claim 100 dredge system, it is characterized in that: described communicating door is that the female pipe of A heat supply network is to the female pipe of #1A heater, #1B heater steam supply Electrically operated gate and B heat supply network to #2A heater, #2B heater steam supply Electrically operated gate; Described communicating door can to realize by the female pipe of vapour net, to Gateway Station in Heating Network heater steam supply, can ensureing effective thermal source of Gateway Station in Heating Network when #1 unit, #2 unit break down.
CN201410051254.6A 2014-02-14 2014-02-14 A kind of Gateway Station in Heating Network High Back Pressure Steam Turbine Units redundancy water yield row dredges system Expired - Fee Related CN103884008B (en)

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CN113860414A (en) * 2021-09-02 2021-12-31 华电湖北发电有限公司武昌热电分公司 Heat supply first station condensation return water nitrogen regulation deoxidization system

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