CN205605251U - Steam electric power device and system - Google Patents
Steam electric power device and system Download PDFInfo
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- CN205605251U CN205605251U CN201620460005.7U CN201620460005U CN205605251U CN 205605251 U CN205605251 U CN 205605251U CN 201620460005 U CN201620460005 U CN 201620460005U CN 205605251 U CN205605251 U CN 205605251U
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Abstract
The utility model relates to a steam electric power field discloses a steam electric power device and system, and wherein, this steam electric power device includes: first screw rod inflation power generation system, second screw rod inflation power generation system, wherein first screw rod inflation power generation system with each screw rod inflation power generation system among the second screw rod inflation power generation system all contains by steam driven's screw rod expander and by this screw rod expander driven generator, wherein the steam of first screw rod inflation power generation system's screw rod expander output is inputed extremely second screw rod inflation power generation system's screw rod expander to drive this screw rod expander, and the female pipe of steam, be used for to steam is carried to first screw rod inflation power generation system's screw rod expander. Through above -mentioned technical scheme, not only can become the electric energy in order to realize causing thermal pollution to the environment to the recycling of steam in still having avoided directly discharging the air with steam with the thermal energy conversion in the steam.
Description
Technical field
This utility model relates to steam-electric power field, in particular it relates to a kind of steam electric power generator and system.
Background technology
Modern Coal-based Chemical industry is an emerging field of coal chemical technology.Owing to China's Chemical Industry exists
Constantly make a breakthrough in technology and equipment, gradually formed based on advanced Coal Gasification Technology, produce with
Energy industry for the purpose of petroleum replacing chemical products and oil gas product, i.e. Modern Coal-based Chemical industry.Existing
Natural gas from coal, coal liquifaction, coal-ethylene glycol, ammonia from coal and downstream alkene is included for Chemical Industry chain
Chain is produced in the novel energy chemical industries such as hydrocarbon product.Owing to Modern Coal-based Chemical industry is at the early-stage, also in demonstration
Phase, the first commercialization of most core technology, therefore, technological process and Integration ofTechnology wait to optimize,
Engineering problem need to solve further, still has and change further in terms of efficiency level and pollutant emission
The leeway entered and improve.
Can produce a large amount of low-pressure saturated steam more than needed in the production process of coal chemical industry enterprises, these are big
The source of amount low-pressure saturated steam more than needed substantially has two kinds: one to be the technique high temperature that enterprise's thermo-power station produces
The low-pressure saturated steam more than needed that high steam produces after cascade utilization, such as steam power plant's Turbo-generator Set
Draw gas, pressure and temperature reducing station etc.；Two be for the purpose of energy-saving and cost-reducing, utilize processing medium waste heat and arrange useless
Heat boiler, the low-pressure saturated steam a large amount of more than needed of steam generator output, such as giving up in methanol synthesizer
Heat boiler or the steam generator etc. of other cooling pieces.
Owing to the pressure and temperature of low-pressure saturated steam is relatively low, humidity is relatively big, the flowing resistance of long distance delivery
Power loss is big, and because its high humidity is more serious to the erosion of pipeline and equipment, therefore, low-pressure saturated steam
The difficulty effectively utilized higher.Present stage, traditional Land use systems of low-pressure saturated steam mainly has: make
For boiler supply water deaerating, the thermal source of factory's low pressure heat supply network, it is fed directly to residential block heating and by again
Heat becomes vapours recycling.Because of the limitation of tradition Land use systems, major part enterprise uses the most rationally
Time on the way, big more options empty, and have both wasted the substantial amounts of energy, and have had and cause the thermal pollution to environment, are to realize
Energy-saving and emission-reduction strategy is badly in need of the key issue solved.
Utility model content
The purpose of this utility model is to provide a kind of steam electric power generator and system, is filled by this steam-electric power
Put and system may utilize low-pressure saturated steam and repeatedly generates electricity, thus avoid low-pressure saturated steam direct
Be discharged into in environment so that environment is caused thermal pollution.
To achieve these goals, this utility model provides a kind of steam electric power generator, and this device includes:
First screw expansion electricity generation system；Second screw expansion electricity generation system, wherein said first screw expansion is sent out
Electricity system and described second screw expansion electricity generation system in each screw expansion electricity generation system all comprise by
Steam-powered screw expander and the electromotor driven by this screw expander, wherein said first screw rod
The steam of the screw expander output of expansion power generation system is input to described second screw expansion generating
The screw expander of system, to drive this screw expander；And steam main, for described first spiral shell
The screw expander conveying steam of bar expansion power generation system.
Preferably, described steam main is additionally operable to the screw expansion to described second screw expansion electricity generation system
Machine conveying steam.
Preferably, described first screw expansion electricity generation system and/or described second screw expansion electricity generation system
Screw expander be back pressure type screw expander and/or condensing-type screw expander.
Preferably, described first screw expansion electricity generation system and/or described second screw expansion electricity generation system
Electromotor be brushless excitation synchronous generator and/or three phase induction generator.
Preferably, the steam of the screw expander output of described first screw expansion electricity generation system is also used for
Heating or technique recycling.
Preferably, described device also includes automatic presynchronization equipment, for being sent out by described first screw expansion
The electricity that the screw expansion machine driving generator of electricity system and/or described second screw expansion electricity generation system sends
Carry out grid-connected.
Preferably, described device also includes device of condensation recovery, for by described second screw expansion generating
The recycling of condensed steam of the screw expander output of system.
To achieve these goals, this utility model additionally provides a kind of steam generating system, this system bag
Including: above-mentioned steam electric power generator, described device also includes electric control valve, is used for controlling described first
The air inflow of the steam of screw expansion electricity generation system and/or described second screw expansion electricity generation system；And
PLC control unit, for controlling described first by opening or closing of described electric control valve of control
Starting or stoping of screw expansion electricity generation system and/or described second screw expansion electricity generation system.
Preferably, described PLC control unit is additionally operable to be come by the aperture of the described electric control valve of control
The screw rod controlling described first screw expansion electricity generation system and/or described second screw expansion electricity generation system is swollen
The rotating speed of swollen machine.
Preferably, described PLC control unit be additionally operable to gather in following parameter one or more: institute
State the first screw expansion electricity generation system and/or the vapor (steam) temperature of described second screw expansion electricity generation system, steam
Pressure/steam differential pressure, liquid level, the rotating speed of screw expander and the generated output of electromotor.
Preferably, it is characterised in that described system also includes: alarm unit；Described PLC controls single
Unit is additionally operable to, when the parameter gathered is beyond the preset range that this parameter is corresponding, control described alarm unit
Report to the police.
Preferably, described system also includes repid cut-off valve, is used for cutting off steam and enters described first screw rod
Expansion power generation system and/or described second screw expansion electricity generation system；In described first screw expansion generating it is
There is negative value in the generated output of the electromotor of system and/or described second screw expansion electricity generation system, and occurs being somebody's turn to do
When the time of negative value exceedes Preset Time, described PLC control unit is additionally operable to by control described quickly
Stop valve cuts out and controls described first screw expansion electricity generation system and/or described second screw expansion generating
System is out of service.
Preferably, described generated output on the occasion of and exceed maximum preset value and/or in described generating merit
Rate is negative value and in the case of exceeding default shutdown value, and described PLC control unit is additionally operable to control described
Electric control valve and described repid cut-off valve simultaneously close off, to control described first screw expansion electricity generation system
And/or described second screw expansion electricity generation system is the most out of service.
Preferably, described system also includes host computer, for remotely controlling described PLC control unit.
By technique scheme, it is possible not only to the heat energy in steam be converted into electric energy to realize steam
Recycling, it is thus also avoided that be directly discharged to steam in air environment is caused thermal pollution.
Other features and advantages of the utility model will give in detailed description of the invention part subsequently in detail
Explanation.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description,
It is used for explaining this utility model together with detailed description below, but is not intended that this utility model
Restriction.In the accompanying drawings:
Fig. 1 is the steam electric power generator schematic diagram according to an embodiment of the present utility model；
Fig. 2 is the steam electric power generator schematic diagram according to an embodiment of the present utility model；
Fig. 3 is the steam generating system schematic diagram according to an embodiment of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It is to be understood that
It is that detailed description of the invention described herein is merely to illustrate and explains this utility model, is not used to limit
This utility model processed.
Fig. 1 is the steam electric power generator schematic diagram according to an embodiment of the present utility model, in this embodiment
In, steam electric power generator includes: the first screw expansion electricity generation system；Second screw expansion electricity generation system,
Wherein each screw expansion in the first screw expansion electricity generation system and the second screw expansion electricity generation system is sent out
Electricity system all comprises by steam-powered screw expander and the electromotor that driven by this screw expander, its
In the first screw expansion electricity generation system screw expander output steam be input to the second screw expansion
The screw expander of electricity generation system, to drive this screw expander；And steam main, for first
The screw expander conveying steam of screw expansion electricity generation system.By this steam electric power generator, can be by the
One screw expansion electricity generation system and the second screw expansion electricity generation system to steam (such as low-pressure saturated steam more than needed,
But it is not limited to this) carry out twice utilization (i.e. cascade utilization), it is achieved twice generating, thus by steam
Heat energy contained by is converted into electric energy as far as possible, to realize the recycling of contained heat energy in steam, thus saves
The about energy, it also avoid discharge of steam simultaneously, in air, environment is caused thermal pollution.Need explanation
It is that screw expander and/or second screw expansion of the first screw expansion electricity generation system in this embodiment are sent out
The screw expander of electricity system can be back pressure type screw expander and/or condensing-type screw expander, but not
It is limited to this.Electromotor and/or described second screw rod of the first screw expansion electricity generation system in this embodiment are swollen
The electromotor of swollen electricity generation system can be brushless excitation synchronous generator and/or three phase induction generator, but not
It is limited to this.
Preferably, the steam of the screw expander output of the first screw expansion electricity generation system is also used for heating
Or technique recycling.In the preferred embodiment, the screw expander output of the first screw expansion electricity generation system
Steam also can be transported to residential block in the winter time and think that resident heats, or this steam is carried out technique again
Utilize, as recycled by heating again by this steam, but be not limited to this.The most square by this
Formula can make the first screw expansion electricity generation system have multifunctionality, makes this first screw expansion electricity generation system more
There is practicality.
Preferably, steam electric power generator also includes automatic presynchronization equipment, for being sent out by the first screw expansion
The electricity that sends of screw expansion machine driving generator of electricity system and/or the spiral shell of the second screw expansion electricity generation system
Bar expands the electricity that sends of machine driving generator to carry out grid-connected (being such as incorporated to same electric pressure LAN, but not
It is limited to this), to realize the first screw expansion electricity generation system and/or the second screw expansion electricity generation system and same electricity
Grade LAN is grid-connected does not surf the Net for pressure.
Preferably, steam electric power generator also includes device of condensation recovery, for by the second screw expansion generating
The recycling of condensed steam of the screw expander output of system.In the preferred embodiment, can be by swollen for the second screw rod
The steam that the temperature of the screw expander output of swollen electricity generation system is relatively low carries out condensation recovery, the water being recovered to
Can enter circulation carry out again with.Further, since the water that condensation is reclaimed is to have commercial value
Desalted water, therefore, steam is condensed recovery and also brings along certain economic well-being of workers and staff, thus reduce enterprise
The operation cost of industry.
Preferably, steam main is additionally operable to carry to the screw expander of the second screw expansion electricity generation system steam
Vapour, as shown in Figure 2.In the preferred embodiment, when the screw expander of the first screw expansion electricity generation system
The steam of output is not enough to drive the screw expander of the second screw expansion electricity generation system, although or permissible
Drive the screw expander of the second screw expansion electricity generation system, but the spiral shell of the second screw expansion electricity generation system
Bar decompressor is less to the driving force of corresponding electromotor so that when the generated output of this electromotor is less,
Then can pass through the steam main screw expander delivery temperature to the second screw expansion electricity generation system and pressure
Higher steam, to drive the screw expander of the second screw expansion electricity generation system do work and then drive
Corresponding electromotor generates electricity, or strengthens the screw expander of the second screw expansion electricity generation system to phase
The driving force of the electromotor answered, to improve the generated output of this electromotor.In a practical situation, steam is female
Pipe is input in the screw expander of the first screw expansion electricity generation system and the second screw expansion electricity generation system
Quantity of steam can be 20～40t/h, vapor (steam) temperature can be 190～300 DEG C, and steam pressure can be 1.2～1.9MPa.
In an embodiment according to this optimal way, steam main is input to the first screw expansion electricity generation system and
Quantity of steam in the screw expander of two screw expansion electricity generation systems is 30t/h, and vapor (steam) temperature is 220 DEG C,
Steam pressure is 1.7MPa, the steam that the screw expander through the first screw expansion electricity generation system exports
Amount is 30t/h, and steam pressure is 1.7MPa, through the screw expander of the second screw expansion electricity generation system
The steam pressure of output is 0.053MPa, and vapor (steam) temperature is 83 DEG C.
Fig. 3 is the steam generating system schematic diagram according to an embodiment of the present utility model, in this embodiment
In, steam generating system, in addition to including above-mentioned steam electric power generator, also includes PLC control unit.
Wherein, steam electric power generator also includes electric control valve, for control the first screw expansion electricity generation system and
/ or the air inflow of steam of the second screw expansion electricity generation system, PLC control unit is by controlling above-mentioned electricity
The the opening or closing of dynamic regulation valve controls the first screw expansion electricity generation system and/or the second screw expansion is sent out
Starting or stoping of electricity system.
Preferably, PLC control unit is additionally operable to control the first spiral shell by the aperture controlling electric control valve
The rotating speed of the screw expander of bar expansion power generation system and/or the second screw expansion electricity generation system.Due to screw rod
The rotating speed of decompressor is relevant to the quantity of steam entering this screw expander, therefore, and can be by controlling electric adjustable
The aperture of joint valve controls to enter the first screw expansion electricity generation system and/or the second screw expansion electricity generation system
The quantity of steam of screw expander, and then control the rotating speed of above-mentioned screw expander.Due to sending out of electromotor
Electrical power is relevant to the rotating speed of the screw expander driving this electromotor, therefore, by controlling screw expansion
The rotating speed of machine can control the generated output of corresponding electromotor.It follows that by this optimal way, can
Control the first screw expansion electricity generation system by the aperture controlling electric control valve and/or the second screw rod is swollen
The rotating speed of the screw expander of swollen electricity generation system and then reach to regulate the electromotor corresponding with screw expander
The purpose of generated output.
Preferably, PLC control unit be additionally operable to gather in following parameter one or more: the first screw rod
Expansion power generation system and/or the vapor (steam) temperature of the second screw expansion electricity generation system, steam pressure/steam differential pressure,
Liquid level, the rotating speed of screw expander and the generated output of electromotor.In the preferred embodiment, can be selected for
The detecting element of the high-quality that import or domestic imported technology produce, as pressure/differential pressure, temperature, liquid level,
The encoders such as rotating speed, to detect the first screw expansion electricity generation system and/or the second screw expansion electricity generation system
Vapor (steam) temperature, steam pressure/steam differential pressure, liquid level, the rotating speed of screw expander, and detect above-mentioned
Parameter be sent to PLC control unit, with realize to the first screw expansion electricity generation system and/or the second spiral shell
The monitoring of the duty of bar expansion power generation system.For the ease of observing the parameter gathered, PLC controls single
Unit also can comprise touch screen, to show the parameter of above-mentioned collection.Additionally, this touch screen can be additionally used in display
First screw expansion electricity generation system and/or the unlatching of the second screw expansion electricity generation system and the state of stopping.Separately
Outward, in order to monitor the duty of electromotor, PLC control unit is additionally operable to gather the first screw expansion and sends out
The generated output of the electromotor of electricity system and/or the second screw expansion electricity generation system, touch screen is additionally operable to display
The generated output collected.
Preferably, steam generating system also includes alarm unit；PLC control unit is additionally operable to gathered
Parameter beyond preset range corresponding to this parameter time, control alarm unit and report to the police.The most square at this
In formula, when the above-mentioned parameter gathered exceedes preset range, then PLC control unit can control list of reporting to the police
Unit reports to the police, to remind staff's the first screw expansion electricity generation system and/or the generating of the second screw expansion
System occurs in that abnormality, needs staff to take appropriate measures to prevent the first screw expansion from sending out
There is more serious fault in electricity system and/or the second screw expansion electricity generation system.Touch panel display device can show
Show the alarm signal corresponding with above-mentioned parameter.
Preferably, steam generating system also includes repid cut-off valve, is used for cutting off steam and enters the first screw rod
Expansion power generation system and/or the second screw expansion electricity generation system；In the first screw expansion electricity generation system and/or
There is negative value in the generated output of the electromotor of the second screw expansion electricity generation system, and the time of this negative value occurs
When exceeding Preset Time, PLC control unit is additionally operable to be closed by control repid cut-off valve control first
Screw expansion electricity generation system and/or the second screw expansion electricity generation system are out of service.In the preferred embodiment,
If the generated output of the electromotor of the first screw expansion electricity generation system and/or the second screw expansion electricity generation system
Negative value occur, and occur when the time of this negative value exceedes Preset Time, PLC control unit can be by closing
Repid cut-off valve makes the first screw expansion electricity generation system and/or the generating of the second screw expansion electricity generation system
The rotating speed of machine drops to below synchronous rotational speed, makes this electromotor automatic parallel off, and is finally stopped operation, with
Prevent the first screw expansion electricity generation system and/or the second screw expansion electricity generation system to same electric pressure local
Net produces impact.
Preferably, generated output on the occasion of and exceed maximum preset value and/or be negative value at generated output
And in the case of exceeding default shutdown value, PLC control unit is additionally operable to control electric control valve and quickly cut
Disconnected valve simultaneously closes off, vertical to control the first screw expansion electricity generation system and/or the second screw expansion electricity generation system
The most out of service.In the preferred embodiment, maximum preset value and the default shutdown value of generated output is first
The ultimate value that screw expansion electricity generation system and/or the second screw expansion electricity generation system can bear, when generating merit
When rate exceedes maximum preset value and default shutdown value, the first screw expansion electricity generation system and/or the second screw rod are swollen
Swollen electricity generation system can break down, at this time, it may be necessary to the first screw expansion electricity generation system and/or the second screw rod are swollen
Swollen electricity generation system carries out jerk operation, so that the first screw expansion electricity generation system and/or the second screw expansion are sent out
Electricity system is the most out of service.The operation of this jerk includes that PLC control unit controls electric control valve with fast
Speed stop valve simultaneously closes off.
Preferably, steam generating system also includes host computer, for long-range control PLC control unit.
In the preferred embodiment, by host computer, PLC control unit can be carried out remote control, to reach remote
The purpose of process control steam generating system.Additionally, the number that PLC control unit also can be gathered by host computer
According to adding up and storing, the purpose of storage is to inquire about at any time for staff.Host computer also has
The function of printing reports.
It should be noted that in this utility model, to the first screw expansion electricity generation system and/or second
The control mode of screw expansion electricity generation system has two kinds, a kind of be by PLC control system carry out from
Dynamic control mode, a kind of is manually control that electric control valve and/or repid cut-off valve etc. carry out manual
Control mode, wherein, automatic control mode and manual control mode can carry out switching undisturbed.
According in an embodiment of the present utility model, a Methanol Plant is had more than needed low-pressure saturated steam electricity generation system
Gross investment be 15,820,000 yuan.The low-pressure saturated steam condition more than needed of this factory is quantity of steam 25-35t/h at present,
Steam pressure 2.5MPa, vapor (steam) temperature 220 DEG C, use 330 days time.Assume that the first screw expansion is sent out
Electricity system generated output is 1500kW, is 150kW from power consumption, and the annual operation time is 7920
Hour, the second screw expansion electricity generation system generated output is 1500kW, is 150kW from power consumption,
The annual operation time is 4320 hours, and electricity price is 0.406 yuan/degree, then power benefit is: (1500-150)
× 7920 × 0.406+ (1500-150) × 4320 × 0.406 ≈ 670.874 (ten thousand yuan).Assume to reduce discharging and steam
Vapour amount is 30t/h, steam pressure is the low-pressure saturated steam of 2.5MPa, Steam Recovery become desalted water time
Between run time consistency with the annual of the second screw expansion electricity generation system, the price of desalted water is 4.51
Unit/t, then the benefit that resource reclaim produces is: 30 × 4.51 × 4320 ≈ 58.450 (ten thousand yuan).To sum up institute
Stating, the benefit that this embodiment is created is total up to 670.874+58.450=729.324 (ten thousand yuan).Thus may be used
Know, the technical scheme provided by this utility model, not only reduce discharge of steam in environment to environment
The thermal pollution caused, it is achieved that the recycling of the energy, more can bring considerable economic benefit, thus save
About production cost.
Steam electric power generator and system that this utility model provides are applicable not only to utilize industrial exhaust heat to carry out
Generating, applies also for utilizing underground heat, solar energy, bioenergy etc. to generate electricity.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this practicality is new
Type is not limited to the detail in above-mentioned embodiment, in technology concept of the present utility model,
The technical solution of the utility model can be carried out multiple simple variant, these simple variant belong to this reality
With novel protection domain.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention,
In the case of reconcilable, can be combined by any suitable means.In order to avoid unnecessary
Repeating, various possible compound modes are illustrated by this utility model the most separately.
Additionally, combination in any can also be carried out between various different embodiment of the present utility model, only
Wanting it without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (14)
1. a steam electric power generator, it is characterised in that this device includes:
First screw expansion electricity generation system；
Second screw expansion electricity generation system,
Every in wherein said first screw expansion electricity generation system and described second screw expansion electricity generation system
One screw expansion electricity generation system all comprises by steam-powered screw expander and is driven by this screw expander
Dynamic electromotor, the steam of the screw expander output of wherein said first screw expansion electricity generation system is defeated
Enter the screw expander to described second screw expansion electricity generation system, to drive this screw expander；And
Steam main, for carrying steam to the screw expander of described first screw expansion electricity generation system.
Device the most according to claim 1, it is characterised in that described steam main be additionally operable to
The screw expander conveying steam of described second screw expansion electricity generation system.
Device the most according to claim 1, it is characterised in that described first screw expansion generating
The screw expander of system and/or described second screw expansion electricity generation system be back pressure type screw expander and/
Or condensing-type screw expander.
Device the most according to claim 1, it is characterised in that described first screw expansion generating
The electromotor of system and/or described second screw expansion electricity generation system be brushless excitation synchronous generator and/or
Three phase induction generator.
Device the most according to claim 1, it is characterised in that described first screw expansion generating
The steam of the screw expander output of system is also used for heating or technique recycling.
Device the most according to claim 1, it is characterised in that described device also includes automatic standard
The same period, equipment, was used for described first screw expansion electricity generation system and/or described second screw expansion being generated electricity and being
The electricity that the screw expansion machine driving generator of system sends carries out grid-connected.
Device the most according to claim 1, it is characterised in that described device also includes condensing back
Receiving unit, for condensing back the steam that the screw expander of described second screw expansion electricity generation system exports
Receive.
8. a steam generating system, it is characterised in that this system includes:
Device according to any one of claim 1-7, described device also includes electric control valve, is used for
Control the steam of described first screw expansion electricity generation system and/or described second screw expansion electricity generation system
Air inflow；And
PLC control unit, for by control described electric control valve open or close control described
Starting or stoping of first screw expansion electricity generation system and/or described second screw expansion electricity generation system.
System the most according to claim 8, it is characterised in that described PLC control unit is also used
In by control described electric control valve aperture control described first screw expansion electricity generation system and/or
The rotating speed of the screw expander of described second screw expansion electricity generation system.
System the most according to claim 8, it is characterised in that described PLC control unit is also
For gather in following parameter one or more: described first screw expansion electricity generation system and/or described
The vapor (steam) temperature of two screw expansion electricity generation systems, steam pressure/steam differential pressure, liquid level, screw expander
Rotating speed and the generated output of electromotor.
11. systems according to claim 10, it is characterised in that described system also includes:
Alarm unit；
Described PLC control unit is additionally operable to exceed, in the parameter gathered, the preset range that this parameter is corresponding
Time, control described alarm unit and report to the police.
12. systems according to claim 10, it is characterised in that
Described system also includes repid cut-off valve, is used for cutting off steam and enters described first screw expansion generating
System and/or described second screw expansion electricity generation system；
In described first screw expansion electricity generation system and/or the generating of described second screw expansion electricity generation system
There is negative value in the generated output of machine, and occurs when the time of this negative value exceedes Preset Time, described PLC
Control unit is additionally operable to control described first screw expansion by control described repid cut-off valve closedown and sends out
Electricity system and/or described second screw expansion electricity generation system are out of service.
13. systems according to claim 12, it is characterised in that be just at described generated output
Value and exceed maximum preset value and/or be negative value and the situation exceeding default shutdown value at described generated output
Under, the while that described PLC control unit being additionally operable to control described electric control valve and described repid cut-off valve
Close, vertical to control described first screw expansion electricity generation system and/or described second screw expansion electricity generation system
The most out of service.
14. systems according to claim 8, it is characterised in that described system also includes host computer,
For remotely controlling described PLC control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620460005.7U CN205605251U (en) | 2016-05-19 | 2016-05-19 | Steam electric power device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620460005.7U CN205605251U (en) | 2016-05-19 | 2016-05-19 | Steam electric power device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605251U true CN205605251U (en) | 2016-09-28 |
Family
ID=56949144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620460005.7U Active CN205605251U (en) | 2016-05-19 | 2016-05-19 | Steam electric power device and system |
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| Country | Link |
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| CN (1) | CN205605251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840243A (en) * | 2016-05-19 | 2016-08-10 | 神华集团有限责任公司 | Steam power generation device and steam power generation system |
-
2016
- 2016-05-19 CN CN201620460005.7U patent/CN205605251U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840243A (en) * | 2016-05-19 | 2016-08-10 | 神华集团有限责任公司 | Steam power generation device and steam power generation system |
| CN105840243B (en) * | 2016-05-19 | 2019-10-18 | 神华集团有限责任公司 | A kind of steam electric power generator and system |
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