CN105909326B - Extraction for heat supply structure and power plant steam unit heating system - Google Patents
Extraction for heat supply structure and power plant steam unit heating system Download PDFInfo
- Publication number
- CN105909326B CN105909326B CN201610236158.8A CN201610236158A CN105909326B CN 105909326 B CN105909326 B CN 105909326B CN 201610236158 A CN201610236158 A CN 201610236158A CN 105909326 B CN105909326 B CN 105909326B
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- 238000000605 extraction Methods 0.000 title claims abstract description 105
- 238000010438 heat treatment Methods 0.000 title claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 36
- 238000005259 measurement Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 7
- 239000003546 flue gas Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 10
- 239000003245 coal Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 241001212038 Arcola Species 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
Abstract
The present invention relates to power plant's heat supply process field, a kind of extraction for heat supply structure and power plant steam unit heating system are disclosed.The extraction for heat supply structure includes the jet chimney and extraction line of intermediate pressure cylinder, low pressure (LP) cylinder, connection medium pressure cylinder and the low pressure (LP) cylinder of steam unit, and one end of the extraction line is communicated in the jet chimney, and the other end is used to be connected to heat supply network；Regulating valve is provided with the pipeline section between the extraction line and the low pressure (LP) cylinder of the jet chimney, the aperture of the regulating valve can adjust the quantity of steam that the low pressure (LP) cylinder is flowed to for regulation between fully open position and minimum open position, so that a part of steam of medium pressure cylinder discharge is delivered to heat supply network by the extraction line, so that area of heat-supply service can be significantly increased while saving and generating electricity coal-fired, significantly reduce the discharge of various flue gases, unit efficiency is improved, and improvement expenses is low.
Description
Technical field
The present invention relates to power plant's heat supply process field, in particular it relates to a kind of extraction for heat supply structure and one kind are with this
The power plant steam unit heating system of extraction for heat supply structure.
Background technology
At present, it is both to produce that most domestic power plant realizes and cogeneration of heat and power, i.e. cogeneration of heat and power are carried out in actual production
Electric energy, and can be using the steam after steam turbine acting generating come heat supply, this has important meaning for energy saving, improvement environment etc.
Justice.For example, in thermal power plant, the steam thermal energy from boiler is converted into mechanical energy by the prime mover of steam turbine as generating,
And then the electric energy for ease of conveying and utilizing is converted by generator.
With the development of power plant's technology, multi-cylinder turbine (such as twin-tub steam turbine, three-cylinder turbine) is used widely,
To improve capacity usage ratio and produce power higher.By taking three-cylinder turbine as an example, its general principle is：After high pressure cylinder is done work
The steam of discharge enters intermediate pressure cylinder, to continue acting in intermediate pressure cylinder；Then, intermediate pressure cylinder discharge steam enter low pressure (LP) cylinder and
Acting in the low pressure (LP) cylinder.
As one kind typical case's application of cogeneration of heat and power, a part of steam can be extracted out in the intermediate pressure cylinder steam drain of steam turbine and supplied
To heat user, reacted for heating, catalytic chemistry etc..In a kind of attachment structure of traditional extraction for heat supply Steam Turbine, its
Including steam turbine and steam bleeding system.Wherein, steam turbine has the intermediate pressure cylinder and low pressure (LP) cylinder connected by steam guiding tube, is set on steam guiding tube
It is equipped with regulating valve (such as heat supply regulating butterfly valve)；Steam bleeding system is communicated in taking out for steam drain (or extraction opening) of intermediate pressure cylinder including one end
Steam pipe road, the other end of the extraction line leads to Gateway Station in Heating Network.In the course of the work, the steam of the steam drain discharge of intermediate pressure cylinder can
Gateway Station in Heating Network is delivered to by extraction line, is used with heat supply user.In addition, other being connected to is provided with safety valve on extraction line
Gland steam exhauster.
However, there is many weak points in above-mentioned traditional extraction for heat supply Steam Turbine：On the one hand, opened in safety valve
In journey and under opening, steam is increased suddenly by pressure difference, produces larger noise, and steam working medium is immediately discharged air
In and cause the waste of working medium and energy；On the other hand, for the steam influence other equipment for avoiding discharge is run, safety valve is set
Gland steam exhauster need to lead to appropriate position (such as upwardly extending larger height), difficulty of construction is big, relatively costly.
The content of the invention
It is an object of the invention to provide a kind of extraction for heat supply structure, the extraction for heat supply structure can save the fire coal that generates electricity
Area of heat-supply service is significantly increased simultaneously, the discharge of various flue gases is significantly reduced, unit efficiency, and improvement expenses is improved
It is low.
To achieve these goals, the present invention provides a kind of extraction for heat supply structure, and the extraction for heat supply structure includes steam
The jet chimney and extraction line of the intermediate pressure cylinder of unit, low pressure (LP) cylinder, connection medium pressure cylinder and the low pressure (LP) cylinder, wherein, it is described
One end of extraction line is communicated in the jet chimney, and the other end is used to be connected to heat supply network；The jet chimney positioned at described
Be provided with regulating valve on pipeline section between extraction line and the low pressure (LP) cylinder, the aperture of the regulating valve can in fully open position and
The quantity of steam that the low pressure (LP) cylinder is flowed to for regulation is adjusted between minimum open position so that of medium pressure cylinder discharge
Steam is divided to be delivered to heat supply network by the extraction line.
By the technical scheme, due to being communicated with extraction line on the jet chimney between intermediate pressure cylinder and low pressure (LP) cylinder, and it is somebody's turn to do
Extraction line can then be connected to heat supply network, meanwhile, set on the pipeline section between extraction line and low pressure (LP) cylinder of jet chimney
There is regulating valve, and the aperture of the regulating valve can be adjusted between fully open position and minimum open position such that it is able to regulation stream
To the quantity of steam of low pressure (LP) cylinder, so, the quantity of steam of low pressure (LP) cylinder is flowed into by governor valve control, enable to the one of intermediate pressure cylinder discharge
Some vapor is delivered to heat supply network by extraction line, so as to meet the demand of extraction for heat supply, shows while saving and generating electricity coal-fired
Writing ground increases area of heat-supply service, significantly reduces the discharge of various flue gases, improves unit efficiency, and improvement expenses is low.
Further, the minimum open position of the regulating valve is the aperture position for meeting the low pressure (LP) cylinder minimum throttle flow
Put.
Further, when the throttle flow of the low pressure (LP) cylinder is less than minimum throttle flow, the exhaust temperature alarm of the low pressure (LP) cylinder
Device starts alarm when exhaust temperature reaches default high temperature alarm value.
Further, the extraction for heat supply structure also includes the regulator that draws gas being connected with the regulating valve, and this is taken out
Vapour regulator can control the aperture of the regulating valve according to the actual measurement extraction pressure in the extraction line.
Further, the extraction regulation device includes pressure detector, controller, pressure transformer and control institute
The valve actuator of control valve opening is stated, wherein, the pressure detector is arranged in the company of the jet chimney and the extraction line
Place is met, the controller receives the actual measurement extraction pressure signal of the pressure detector transmission and according to default given pressure of drawing gas
Power, to control the valve actuator to act by the pressure transformer.
Further, it is provided with the pipeline section between the extraction line and the low pressure (LP) cylinder of the jet chimney
The bypass in parallel with the regulating valve, safety valve is provided with the bypass.
Further, it is provided with security control valve group on the extraction line.
Further, the security control valve group is included along the check being sequentially arranged by the flow direction of steam pumping
Valve, fast valve and isolating valve.
Further, the junction of the extraction line and the jet chimney is provided with expansion appliance.
In addition, the present invention also provides a kind of power plant steam unit heating system, including power plant's heat supply network and steam unit, it is described
Steam unit includes the extraction for heat supply structure described in any of the above one, wherein, the extraction line is connected to power plant's heat supply network.
So, as described above, by the extraction for heat supply structure, power plant steam unit heating system is saving the fire coal that generates electricity
Area of heat-supply service is significantly increased simultaneously, the discharge of various flue gases is significantly reduced, unit efficiency, and improvement expenses is improved
It is low.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of specification, with following tool
Body implementation method is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the easy structure schematic diagram of the extraction for heat supply structure that the specific embodiment of the invention is provided；
Fig. 2 is the control principle schematic diagram of the extraction for heat supply structure that the specific embodiment of the invention is provided.
Description of reference numerals
1- intermediate pressure cylinders, 2- low pressure (LP) cylinders, 3- jet chimneys, 4- extraction lines, 5- regulating valves, 6- draws gas regulator, 7- pressures
Power transformer, 8- valve actuators, 9- bypasses, 10- safety valves, 11- non-return valves, 12- fast valves, 13- isolating valves.
Specific embodiment
Specific embodiment of the invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
As shown in figure 1, being pressed in intermediate pressure cylinder 1 of the extraction for heat supply structure of the invention including steam unit, low pressure (LP) cylinder 2, connection
The jet chimney 3 and extraction line 4 of cylinder 1 and low pressure (LP) cylinder 2, wherein, one end of extraction line 4 is communicated in jet chimney 3, another
Hold for being connected to heat supply network；And it is provided with regulating valve on the pipeline section between extraction line 4 and low pressure (LP) cylinder 2 of jet chimney 3
5, the aperture of regulating valve 5 can (low pressure (LP) cylinder 2 has in fully open position (throttle flow of low pressure (LP) cylinder 2 is maximum) and minimum open position
Minimum throttle flow) between adjust and flow to the quantity of steam of low pressure (LP) cylinder 2 for regulation so that a part of steam of the discharge of intermediate pressure cylinder 1
Heat supply network is delivered to by extraction line 4.
So, in the technical scheme of the invention, due to being connected on the jet chimney 3 between intermediate pressure cylinder 1 and low pressure (LP) cylinder 2
Have extraction line 4, and the extraction line 4 can then be connected to heat supply network, meanwhile, jet chimney 3 positioned at extraction line 4 and low pressure
Be provided with regulating valve 5 on pipeline section between cylinder 2, and the aperture of the regulating valve 5 can fully open position and minimum open position it
Between adjust such that it is able to regulation flows to the quantity of steam of low pressure (LP) cylinder 2, so, controls to flow into the steam of low pressure (LP) cylinder 2 by regulating valve 5
Amount, a part of steam for enabling to intermediate pressure cylinder 1 to discharge is delivered to heat supply network by extraction line 4, so as to meet extraction for heat supply
Demand, area of heat-supply service is significantly increased while saving and generating electricity coal-fired, significantly reduces the discharge of various flue gases, improves machine
Group efficiency, and improvement expenses is low.
For example, in a kind of actual concrete application, hair can be saved during the heat supply in year after unit heat supply transformation
Electricity 8.76 ten thousand tons of coal of mark, realizes the square meter of area of heat-supply service 10,000,000, substitutes the coal-fired arcola heat supply of 57, place dispersion, is every year society
17.9 ten thousand tons of heating mark coal can be saved, region CO2 emission reduction 44.7 ten thousand t/a, SO2 emission reduction 3941.7t/a, NOx abatement 1708.60t/
A, flue dust emission reduction 6571.6t/a, with very good environmental protection and social effect.
Because extraction line 4 draw gas realized by reducing the throttle flow of low pressure (LP) cylinder 2, therefore, in order to maintain
The reliable and stable operation of low pressure (LP) cylinder 2, further, the minimum open position of regulating valve 5 is to meet the minimum throttle flow of low pressure (LP) cylinder 2
Open position, so, while reliable and stable operation between intermediate pressure cylinder 1 and low pressure (LP) cylinder 2 is met, can discharge intermediate pressure cylinder 1
Steam heat supply network is delivered to by extraction line 4 as much as possible, so as to improve unit efficiency.
In addition, in order to further ensure that the reliable and stable operation of low pressure (LP) cylinder 2, it is preferable that the throttle flow of low pressure (LP) cylinder 2 is less than minimum
During throttle flow, the exhaust temperature alarm of low pressure (LP) cylinder 2 starts alarm when exhaust temperature reaches default high temperature alarm value, also
It is that the minimum discharge of low pressure (LP) cylinder 2 is limited by the exhaust temperature of low pressure (LP) cylinder 2, and limits the minimum aperture of regulating valve 5.This is
Because when low pressure (LP) cylinder 2 is when entering steam flow amount less than minimum discharge, the harm for causing is that low pressure (LP) cylinder exhaust temperature is raised, therefore, example
Such as, it is alarming value that can take when low pressure (LP) cylinder exhaust temperature is increased to such as 80 ° of a certain temperature value or temperature range, will be opened at 80 °
The spray desuperheating of beginning low pressure (LP) cylinder 2, then chaser is protected with to low pressure (LP) cylinder 2 at 120 °.That is, the default high temperature of low pressure (LP) cylinder 2
Alarming value is the datum mark of the minimum open position of regulating valve 5.
In addition, for the ease of the regulation to the aperture of regulating valve 5, it is preferable that as shown in Fig. 2 extraction for heat supply knot of the invention
Structure also includes the regulator 6 that draws gas being connected with regulating valve 5, and the regulator 6 that draws gas can be according in extraction line 4
Survey extraction pressure to control to adjust the aperture of valve 5, for example, when surveying extraction pressure and being excessive, the aperture of regulating valve 5 can increase
Greatly, to increase the throttle flow into low pressure (LP) cylinder 2, and when extraction pressure is too small, the aperture of regulating valve 5 can then reduce, to subtract
The throttle flow of small entrance low pressure (LP) cylinder 2, and improve the amount of drawing gas of extraction line 4.
For example, in a kind of concrete structure, as shown in Fig. 2 draw gas regulator 6 including pressure detector (not shown),
The valve actuator 8 of controller (not shown), pressure transformer 7 and the control and regulation aperture of valve 5, wherein, the pressure detector cloth
Put in the junction of jet chimney 3 and extraction line 4, with the pressure in real-time detection jet chimney 3 and extraction line 4, and to
Controller sends real-time detection signal, and the controller receives the actual measurement extraction pressure signal of pressure detector transmission and according to pre-
If given extraction pressure, to control valve actuator 8 to act by pressure transformer 7, for example, actual measurement extraction pressure be less than
During given extraction pressure, the aperture of regulating valve 5 can be reduced by valve actuator 8 according to heat demand, and equal to given
Extraction pressure, can keep the aperture (if any this demand) of regulating valve 5, or when more than given extraction pressure, then increase is adjusted
Save the aperture of valve 5.
Additionally, in order to protect jet chimney 3, as shown in figure 1, jet chimney 3 positioned at extraction line 4 and low pressure (LP) cylinder 2 it
Between pipeline section on be provided with the bypass 9 in parallel with regulating valve 5, safety valve 10 is provided with bypass 9, so, in jet chimney 3
Pressure value higher than safety valve 10 working value when, safety valve 10 will be turned on before and after regulating valve 5, with to the pressure release of jet chimney 3, from
And when preventing from drawing gas regulating valve be stuck in minimum aperture etc. it is most exceedingly odious in the case of, pressure runaway in the jet chimney 3 for causing
And elevated risk.
In addition, in order to further improve protection to extraction line 4 and heat supply network and jet chimney 3, it is preferable that such as Fig. 1 institutes
Show, security control valve group is provided with extraction line 4, when the security control valve group can prevent hypotony in jet chimney 3,
The internal volume flow of extraction line 4 pours in down a chimney damage unit of causing danger to steam unit, and can prevent pressure in extraction line 4 from dashing forward
When so reducing, largely leakage is caused dangerous for the steam in jet chimney 3, and steam stream in cut-out extraction line 4.
Specifically, in a kind of structure, the security control valve group includes being sequentially arranged along by the flow direction of steam pumping
Non-return valve 11, fast valve 12 and isolating valve 13, wherein, non-return valve 11 and fast valve 12 can prevent pressure in jet chimney 3
When too low, the internal volume flow of extraction line 4 pours in down a chimney to steam unit, and now non-return valve 11 and fast valve 12 are closed rapidly cut-out and steamed
Vapour flows backwards.And isolating valve 13 is used as the master valve of extraction line 4.
Certainly, it will be appreciated by those skilled in the art that the order of placement of non-return valve 11, fast valve 12 and isolating valve 13 not
It is limited to this.For example, fast valve 12 can be arranged in the upstream position of non-return valve 11.
Additionally, in order to avoid or reduce extraction line 4 power and power that are acted due to flowing steam to jet chimney 3
Square, it is preferable that the junction of extraction line 4 and jet chimney 3 is provided with expansion appliance, to compensate pressure between the two
Difference, it is ensured that steam in jet chimney 3 can be smoothly through junction between the two flowing to low pressure (LP) cylinder 2.
Additionally, the present invention also provides a kind of power plant steam unit heating system, the power plant steam unit heating system includes
Power plant's heat supply network and steam unit, wherein, steam unit includes the extraction for heat supply structure of any of the above one, wherein, extraction steam pipe
Road 4 is connected to power plant's heat supply network.
So, as described above, by the extraction for heat supply structure, power plant steam unit heating system is saving the fire coal that generates electricity
Area of heat-supply service is significantly increased simultaneously, the discharge of various flue gases is significantly reduced, unit efficiency, and improvement expenses is improved
It is low.
The effect can be embodied by a kind of situation of the practical application shown by below table.
It is as shown in the table：
So, by extraction for heat supply structure of the invention, it can be seen that with the increase of the heat supply amount of drawing gas, the hair of power plant
Power of motor will be gradually reduced, and heat consumption value and gross coal consumption rate are also gradually reduced, and correspondingly, improve the efficiency of unit.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in range of the technology design of the invention, various letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy is no longer separately illustrated.
Additionally, can also be combined between a variety of implementation methods of the invention, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (7)
1. a kind of extraction for heat supply structure, it is characterised in that the extraction for heat supply structure includes the intermediate pressure cylinder (1) of steam unit, low
The jet chimney (3) and extraction line (4) of cylinder pressure (2), connection medium pressure cylinder (1) and the low pressure (LP) cylinder (2), wherein,
One end of the extraction line (4) is communicated in the jet chimney (3), and the other end is used to be connected to heat supply network；
Regulation is provided with the pipeline section between the extraction line (4) and the low pressure (LP) cylinder (2) of the jet chimney (3)
Valve (5), the aperture of the regulating valve (5) can be adjusted between fully open position and minimum open position and flow to institute for regulation
State the quantity of steam of low pressure (LP) cylinder (2) so that a part of steam of medium pressure cylinder (1) discharge is conveyed by the extraction line (4)
To heat supply network, the minimum open position of the regulating valve (5) is the open position for meeting the low pressure (LP) cylinder (2) minimum throttle flow,
The extraction for heat supply structure also includes the regulator that draws gas (6) being connected with the regulating valve (5), the pressure regulation dress that draws gas
Putting (6) can control the aperture of the regulating valve (5) according to the actual measurement extraction pressure in the extraction line (4),
The regulator that draws gas (6) is including pressure detector, controller, pressure transformer (7) and controls the regulating valve
(5) valve actuator (8) of aperture, wherein,
The pressure detector is arranged in the junction of the jet chimney (3) and the extraction line (4), and the controller receives institute
The actual measurement extraction pressure signal of pressure detector transmission is stated and according to default given extraction pressure, with by the pressure mutual inductance
Device (7) come control the valve actuator (8) act.
2. extraction for heat supply structure according to claim 1, it is characterised in that the throttle flow of the low pressure (LP) cylinder (2) is less than most
During small throttle flow, the exhaust temperature alarm of the low pressure (LP) cylinder (2) starts report when exhaust temperature reaches default high temperature alarm value
It is alert.
3. extraction for heat supply structure according to claim 1, it is characterised in that the jet chimney (3) is taken out positioned at described
The bypass (9) in parallel with the regulating valve (5), the side are provided with pipeline section between steam pipe road (4) and the low pressure (LP) cylinder (2)
Safety valve (10) is provided with road (9).
4. extraction for heat supply structure according to claim 1, it is characterised in that be provided with safety on the extraction line (4)
Control valve group.
5. extraction for heat supply structure according to claim 4, it is characterised in that the security control valve group is included along being taken out
Non-return valve (11), fast valve (12) and isolating valve (13) that the flow direction of steam is sequentially arranged.
6. extraction for heat supply structure according to claim 1, it is characterised in that the extraction line (4) and the steam pipe
The junction in road (3) is provided with expansion appliance.
7. a kind of power plant steam unit heating system, including power plant's heat supply network and steam unit, it is characterised in that the steam unit
The extraction for heat supply structure according to any one in claim 1-6 is included, wherein, the extraction line (4) is connected to
Power plant's heat supply network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236158.8A CN105909326B (en) | 2016-04-15 | 2016-04-15 | Extraction for heat supply structure and power plant steam unit heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236158.8A CN105909326B (en) | 2016-04-15 | 2016-04-15 | Extraction for heat supply structure and power plant steam unit heating system |
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| CN105909326B true CN105909326B (en) | 2017-07-04 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194296A (en) * | 2016-09-05 | 2016-12-07 | 华能国际电力股份有限公司 | A kind of thermoelectricity decoupling heating system from station boiler steam pumping |
| CN106894855B (en) * | 2017-04-01 | 2017-12-08 | 晟源高科(北京)科技有限公司 | It is a kind of that transformation and operation method are decoupled based on the thermoelectricity of heat source side and heat supply network comprehensive adjustment |
| CN107905858B (en) * | 2017-11-17 | 2023-06-30 | 中国大唐集团科学技术研究院有限公司火力发电技术研究所 | Final stage safety flow monitoring and controlling system and method |
| CN111255532B (en) * | 2020-03-10 | 2022-10-11 | 中石化节能技术服务有限公司 | Optimized operation control method for industrial self-contained power station |
| CN114046494B (en) * | 2021-09-23 | 2024-03-22 | 华能山东发电有限公司烟台发电厂 | Communication system and standby method for industrial steam extraction |
| CN114076005B (en) * | 2021-11-02 | 2023-08-25 | 国能寿光发电有限责任公司 | Medium-pressure heat supply system, control device and medium-pressure heat supply method |
| CN114076004B (en) * | 2021-11-02 | 2023-08-25 | 国能寿光发电有限责任公司 | Medium-pressure heat supply system and medium-pressure heat supply method |
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| CN203257480U (en) * | 2013-06-03 | 2013-10-30 | 哈尔滨汽轮机厂有限责任公司 | 150MW steam turbine for combined heat and power generation heat supply |
| CN203685322U (en) * | 2013-12-24 | 2014-07-02 | 河北省电力勘测设计研究院 | Steam extraction heat supply system for 350MW supercritical heat supply unit |
| CN204783132U (en) * | 2015-07-13 | 2015-11-18 | 中国神华能源股份有限公司 | Heat supply turbine unit and engine generator of power plant draw gas |
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- 2016-04-15 CN CN201610236158.8A patent/CN105909326B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203257480U (en) * | 2013-06-03 | 2013-10-30 | 哈尔滨汽轮机厂有限责任公司 | 150MW steam turbine for combined heat and power generation heat supply |
| CN203685322U (en) * | 2013-12-24 | 2014-07-02 | 河北省电力勘测设计研究院 | Steam extraction heat supply system for 350MW supercritical heat supply unit |
| CN204783132U (en) * | 2015-07-13 | 2015-11-18 | 中国神华能源股份有限公司 | Heat supply turbine unit and engine generator of power plant draw gas |
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| CN105909326A (en) | 2016-08-31 |
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