CN205779303U - Modularity cogeneration unit - Google Patents
Modularity cogeneration unit Download PDFInfo
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- CN205779303U CN205779303U CN201620582471.2U CN201620582471U CN205779303U CN 205779303 U CN205779303 U CN 205779303U CN 201620582471 U CN201620582471 U CN 201620582471U CN 205779303 U CN205779303 U CN 205779303U
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- Prior art keywords
- electricity generation
- generation module
- modularity
- cooling water
- electromotor
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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]
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Control Of Eletrric Generators (AREA)
Abstract
This utility model relates to mechanical field, particularly relates to cogeneration generating set.Comprise more than one electricity generation module, described electricity generation module accesses electrical network, comprise electromotor inside described electricity generation module and synchronize electron speed regulator, the pipeline that electricity generation module stretches out comprises exhaust piping and cooling water pipeline, each self-contained switching valve on cooling water pipeline and exhaust piping, cooling water pipeline and exhaust piping connect chiller each via switching valve, and cooling water pipeline and the respective pipeline of exhaust piping are also connected with waste-heat recovery device.Beneficial effect: simple in construction, with low cost, operation simple installation, reliable, convertibility good, good energy-conserving effect, maintenance work amount are little.
Description
Technical field
This utility model relates to mechanical field, particularly relates to cogeneration generating set.
Background technology
Middle-size and small-size cogeneration of heat and power field in distributed energy market at present, there are the following problems:
1., after the equipment such as Cogeneration Project is to be bought generating set respectively by user, heat exchanger and parts, pacify at the scene
Dress forms a set of cogeneration unit.The using effect of unit is affected the biggest by its construction quality and design selection.2. thermoelectricity connection
The supply load size producing unit is used function etc. to limit greatly by time, season, building, and fluctuation is big；The most current distributed energy
Source item, uses separate unit or multiple stage Generator Set mostly, and cost of investment is high, and due to Demand-side load fluctuation, usually exists
Underrun, efficiency is substantially reduced.4. Generator Set is once damaged, it is necessary to complete machine stops generating, carries out equipment dimension
Repair, normal productive life is brought inconvenience；5. Generator Set maintenance cycle is long, and standby redundancy is expensive, maintenance cost
High.
Utility model content
The purpose of utility model: in order to provide a kind of effect more preferable cogeneration generating set, specific purposes are shown in specifically
Multiple substantial technological effects of implementation section.
In order to reach as above purpose, this utility model adopts the following technical scheme that:
Modularity cogeneration unit, it is characterised in that comprise more than one electricity generation module, described electricity generation module connects
Entering electrical network, comprise electromotor and synchronize electron speed regulator inside described electricity generation module, the pipeline that electricity generation module stretches out comprises waste gas
Each self-contained switching valve on pipeline and cooling water pipeline, cooling water pipeline and exhaust piping, cooling water pipeline and exhaust piping are each
Connecting chiller from by switching valve, cooling water pipeline and the respective pipeline of exhaust piping are also connected with waste-heat recovery device.
The further technical scheme of this utility model is, described electricity generation module is also directly connected to user power utilization device.
The further technical scheme of this utility model is, the electromotor that described electricity generation module comprises is biogas generator, sky
So gas electromotor, gasoline engine generator, diesel-driven generator, methanol electromotor, shale gas electromotor, device in Gas electromotor, automobile-used
Motor and by the electromotor of engine modification.
The further technical scheme of this utility model is, described waste-heat recovery device is plate type heat exchanger, pipe shell type heat exchange
Device or finned heat exchanger.
The further technical scheme of this utility model is, described chiller is air-cooled cooling, cooling by water or oil
Cooling.
The further technical scheme of this utility model is, described cooling water pipeline and exhaust piping are placed in underground.
Use this utility model of as above technical scheme, have the advantages that relative to prior art: simple in construction, one-tenth
Basis is the cheapest, operate simple installation, reliable, convertibility good, good energy-conserving effect, maintenance work amount are little.
Accompanying drawing explanation
In order to further illustrate this utility model, it is further illustrated below in conjunction with the accompanying drawings:
Fig. 1 is utility model structural representation；
Wherein: 1 electricity generation module；2 electricity generation module controllers；3 cutting-in control cabinets；4 waste-heat recovery devices；5 chillers；6
Switching valve；7. user power utilization device；8. electrical network；9. exhaust piping；10. cooling water pipeline；1.1 electromotor；1.2 synchronize electronics adjusts
Speed device.
Detailed description of the invention
Illustrating embodiment of the present utility model below in conjunction with the accompanying drawings, embodiment is not constituted limit of the present utility model
System:
Modularity cogeneration unit, it is characterised in that comprise more than one electricity generation module, described electricity generation module connects
Entering electrical network, comprise electromotor inside described electricity generation module, the pipeline that electricity generation module stretches out comprises exhaust piping and cooling water pipeline,
On cooling water pipeline and exhaust piping, each self-contained switching valve, cooling water pipeline and exhaust piping connect cold each via switching valve
The respective pipeline of radiator cooler, cooling water pipeline and exhaust piping is also connected with waste-heat recovery device.The technical scheme at this place is played
The technique effect of essence and the process that realizes be as follows: the waste water of electrification structure and used heat can be able to be utilized in a creative way
Get up, directly may be used for waste heat recovery.
Modularity cogeneration unit, uses modularized design, is made up of more than one electricity generation module, each generating mould
Block all comprises an electromotor and a synchronization electron speed regulator.Synchronize the electron speed regulator operation ginseng for regulator generator
Number.By operational relation between electricity generation module controller regulation electricity generation module, each electricity generation module all can independent operating, it is possible to multiple stage
Electricity generation module machine run.The power circuit exported by each electricity generation module is in parallel, is delivered to user by cutting-in control cabinet.Will be each
The respectively parallel connection of the waste gas of electricity generation module output, cooling pipe, the waste heat concentration making generating produce be delivered to waste-heat recovery device or
Chiller, by switching the switching of valve, i.e. may utilize waste-heat recovery device and is sent to heat user, it is possible to utilize chiller to dispel the heat
Cooling, it is ensured that cogeneration generating set even running.
Described electricity generation module is also directly connected to user power utilization device.Described electricity generation module is that biogas generator, natural gas are sent out
Motor, gasoline engine generator, diesel-driven generator, methanol electromotor, shale gas electromotor, device in Gas electromotor, alternator for vehicle and
Electromotor by various engine modifications.Described waste-heat recovery device is plate type heat exchanger, shell-and-tube heat exchanger or finned
Heat exchanger.Described chiller is air-cooled cooling, cooling by water or oil cooling.
As further the most preferably with non-essential expansion, as a example by design load 600kw, massing co-generator
Group can be made up of the natural gas power module of 5 120kw, each electricity generation module all comprise a set of 120kw natural gas electromotor, one
Set 120kw natural gas electromotor synchronizes electron speed regulator.Use between a set of electricity generation module controller 5 electricity generation modules of regulation
Conspiracy relation.Electromotor utilizes fuel combustion acting to send electric power, synchronizes electron speed regulator according to electrical network phase sequence regulator generator
Output power is consistent with electrical network.Electricity generation module controller, according to power demand size, regulation electricity generation module operational factor,
Open number of units and power.Utilize cable that through cutting-in control cabinet, each electricity generation module circuit in parallel, the electric energy of output are delivered to user,
Utilize pipeline electricity generation module jacket water (cooling water) is in parallel, unit of exhausting waste gas parallel connection respectively, then concentration is connected to waste heat and returns
Receiving apparatus and chiller, heat reclamation device is connected with the heating equipment of user, carries out heat exchange.At heat reclamation device and cooling dress
One group of switching valve is set between putting, if the heat that user needs is less than reclaiming heat, then by switching Vavle switching to chiller
Heat radiation, it is ensured that generating set is properly functioning.
This kind of mode avoids the problem using Generator Set: 1. heat recycling device had both made modular generator
Group temperature is maintained at zone of reasonableness, again for providing heat with heat user, reaches the purpose of cogeneration of heat and power；2. a module heat-transformation
Electricity Federation is produced generating set and is used multiple stage small power generation wired in parallel, significantly reduces initial cost cost, 3. supplies at user's generated energy
When fluctuation or electric load demand reduce, it is possible to use electricity generation module control system, close modularity co-generator group
In separate unit or multiple stage electricity generation module, do not affect generating efficiency, and Generator Set be when reducing output, efficiency can be with
Reduction.4. Generator Set is once damaged, it is necessary to complete machine stops generating, carries out maintenance of equipment, to normal productive life
Bring inconvenience.During modularity co-generator group maintenance of equipment, only need to individually cut off faulty electricity generation module, no matter tear open
Remove, keep in repair, change, remaining module be there is no impact, it is to avoid because maintenance reason causes having a power failure for a long time；5. modularity thermoelectricity connection
Product generating set maintenance cycle is short, small generator technology maturation, and spare and accessory parts are easy to buying, and standby redundancy is cheap, safeguards
Low cost.
Utilize a kind of modularity co-generator group, by existing Generator Set miniaturization, modularity, outfit
Waste-heat recovery device can use a set of electricity generation module controller to adjust by the heat recovery of electromotor generation to productive life
Save the conspiracy relation between each electricity generation module, make resource rational utilization.
Modularity co-generator group is made up of multiple electricity generation modules, and each electricity generation module all comprises a set of generating
Machine, a set of synchronization electron speed regulator.A set of electricity generation module controller is used to regulate the conspiracy relation between each electricity generation module.Generating
Machine utilizes fuel combustion acting to send electric power, synchronizes electron speed regulator according to electrical network phase sequence regulator generator output power and electrical network
Consistent.Electricity generation module control system, according to power demand size, regulation electricity generation module operational factor, unlatching number of units and merit
Rate.Utilize cable that through cutting-in control cabinet, each electricity generation module circuit in parallel, the electric energy of output are delivered to user, utilize pipeline respectively
Electricity generation module jacket water (cooling water) parallel connection, unit of exhausting waste gas parallel connection, then concentration are connected to waste-heat recovery device, recuperation of heat
Device is connected with the heating equipment of user, carries out heat exchange.One group of switching valve is set between heat reclamation device and cold cutting system, if
The heat that user needs less than reclaiming heat, is then dispelled the heat to chiller by switching Vavle switching, it is ensured that generating set is normally transported
OK.
Operation logic example of the present utility model is as follows:
Start logic:
1. the detection of electricity generation module the controller gas pressure of fuel parameter, such as natural gas engine, methane content, wind
Door aperture or the fuel level in tank of Diesel engine, tank temperature etc..If fuel parameter is unable to reach service requirement, then report to the police, step
All standing only, if normally, then carries out next step；
2. electricity generation module controller detects grid-connected switch "on" position, if grid-connected switch is closure state, then reports to the police, step
Stopping, if disconnecting, then carrying out next step；
3. electricity generation module controller detection electrical network parameter is the most qualified, such as 220V, 50Hz alternating current, voltage in actual measurement 5s
Positive negative variation, less than 5%, if defective, reported to the police, is stopped action, qualified can carry out next step；
4. electricity generation module controller detection waste heat recovery is arranged with heat radiation, if being arranged on waste heat recovery pattern, then opens remaining
Heat reclamation device side switching valve also cuts out chiller side switching valve；If being arranged on radiating mode, then open cold radiator cooler side is cut
Change valve and close waste-heat recovery device side switching valve.If being not detected by corresponding valve open and close in 30s to put in place feedback signal, then report
Alert, stopping action, if detecting in 30s, corresponding valve open and close puts in place feedback signal, is allowed for access next step；
5. electricity generation module controller order by number judges accumulated running time, selects the generating that accumulated running time is the shortest
Module.If electricity generation module is defined as malfunction or is currently running state, then skip selection, until choosing accumulated running time
The shortest off-duty electricity generation module, and this electricity generation module is defined as running status；
6. electricity generation module controller start choose electricity generation module, start corresponding electromotor.If electricity generation module controller
In 10 seconds, it is not detected by engine start success feedback signal, then reports to the police, stop action, rerun above-mentioned 5th step.
If electricity generation module controller detects engine start success feedback signal, then carry out next step；
7. synchronize the operational factor of electron speed regulator detection electricity generation module and electrical network, including electromotor and electrical network frequency,
Voltage, phase sequence, phase angle；
8. synchronize electron speed regulator and adjust the running status of electromotor in electricity generation module, make operational factor and the electricity of electromotor
Network parameters is consistent, including electromotor and the frequency of electrical network, voltage, phase sequence, phase angle；Electron speed regulator to be synchronized detects electricity
After module differs with the operational factor of electrical network less than 5%, reach combined floodgate condition.If electricity generation module controller detects that electromotor opens
Move and fail to reach combined floodgate condition after successfully feeding back 30s, then report to the police, and this electricity generation module is defined as malfunction, rerun
Above-mentioned 5th step.If reaching combined floodgate condition in electromotor starts and successfully feeds back 30s, then provide switching signal, enter next step
Suddenly；
9., after cutting-in control cabinet receives switching signal, cutting-in control cabinet closes a floodgate, and pulls electricity generation module into electrical network and is incorporated into the power networks.
If 10. electricity generation module controller does not receive cutting-in control in receiving the switching signal 5s synchronizing electron speed regulator
The combined floodgate success feedback signal of cabinet, then report to the police, and this electricity generation module is defined as malfunction, reruns above-mentioned by stopping action
5th step.If electricity generation module controller receives the combined floodgate success feedback signal of cutting-in control cabinet, then this electricity generation module state is fixed
Justice, for being currently running, calculates the accumulated running time of this electricity generation module and accumulative number of run；
11. electricity generation module controller moment monitored operation conditions and active user's power consumption of each module, when using instantaneous family
When power consumption is less than modularity co-generator group instantaneous electric amount, electricity generation module controller according to running state parameter and
Accumulated running time, select the electricity generation module that among an electricity generation module being currently running, accumulated running time is the longest, Jiang Qiguan
Close.Not enough electric power is supplemented from electrical network by cutting-in control cabinet.Ensure that the generating of modularity co-generator group can be grid-connected
But do not surf the Net.
12. electricity generation module controller detection electricity generation modules run power and user side electricity consumption situation.If electricity generation module runs
Power reaches rated power, and the power that cutting-in control cabinet supplements from electrical network is more than the 120% of a module rated power, then enter
Enter above-mentioned 5th step, open next electricity generation module, until all electricity generation modules in addition to malfunction are in being currently running
State.
13. relay protective scheme: electricity generation module controller moment monitoring electrical network and the state of each electricity generation module, including frequency, electricity
Pressure, phase sequence, phase angle, "on" position, on off state, fault and running status, chilling temperature.One is wherein had to have exception, then
Grid-connected switch must be turned off, close abnormal electricity generation module.In 1h, each electricity generation module can only open 1 time, it is to avoid frequently opens
Dynamic.
In above-mentioned a kind of modularity cogeneration unit, described electricity generation module can separate unit or multiple stage machine run.
In above-mentioned a kind of modularity cogeneration unit, the described electromotor in electricity generation module includes but not limited to biogas
Electromotor, natural gas generator, gasoline engine generator, diesel-driven generator, methanol electromotor, shale gas electromotor, device in Gas generate electricity
Machine, alternator for vehicle and the electromotor etc. of various engine modification.
In above-mentioned a kind of modularity cogeneration unit, described synchronization electron speed regulator is with electrical network phase order parameter for depending on
According to, regulator generator output power is consistent with electrical network, it is to avoid electrical network is produced impact.Including but not limited to natural gas generator
Synchronize electrical equipment speed regulator, biogas generator synchronizes electrical equipment speed regulator, gasoline engine generator synchronizes electrical equipment speed regulator, diesel-driven generator is same
Step electrical equipment speed regulator, methanol electromotor synchronize electrical equipment speed regulator etc..
In above-mentioned a kind of modularity cogeneration unit, described electricity generation module controller is according to fuel element content, combustion
Material supply pressure, flow and load power requirements, regulation electricity generation module opens number of units and power.
In above-mentioned a kind of modularity cogeneration unit, electromotor is sent electric power and sends into electrical network by cutting-in control cabinet.
In above-mentioned a kind of modularity cogeneration unit, described waste-heat recovery device is by modularity co-generator
The residual heat collection that the waste gas of group generation, jacket water (cooling water) etc. are comprised, utilizes heat transmission equipment and uses heat unit heat exchange,
Reach the purpose that waste heat makes full use of.Including but not limited to plate type heat exchanger, shell-and-tube heat exchanger, finned heat exchanger etc..
In above-mentioned a kind of modularity cogeneration unit, described chiller is including but not limited to air-cooled cooling, water-cooled
Cooling, oil cooling etc..
In above-mentioned a kind of modularity cogeneration unit, described switching valve is including but not limited to hand-operated valve, electrodynamic valve, electricity
Magnet valve, butterfly valve, gate valve, ball valve etc..
As further improving, described cooling water pipeline and exhaust piping are placed in underground.The technical scheme at this place is risen
To essence have the technical effect that underground can be heat insulation so that heat will not be lost, and simultaneously can also save ground space
(whether can delete).
In a creative way, each effect above is individually present, moreover it is possible to complete the combination of the above results with a nested structure.In figure not
Part details is shown.
It should be noted that multiple schemes that this patent provides comprise the basic scheme of itself, separate, the most mutually
Restriction, but it can also be mutually combined in the case of not conflicting, and reaches multiple effect and jointly realizes.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.Ability
Territory skilled person will appreciate that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model also can
Having various changes and modifications, these changes and improvements both fall within claimed scope.
Claims (6)
1. modularity cogeneration unit, it is characterised in that comprise more than one electricity generation module, described electricity generation module accesses
Electrical network, comprises electromotor and synchronizes electron speed regulator inside described electricity generation module, the pipeline that electricity generation module stretches out comprises flue gas leading
Each self-contained switching valve on road and cooling water pipeline, cooling water pipeline and exhaust piping, cooling water pipeline and exhaust piping are each
Connecting chiller by switching valve, cooling water pipeline and the respective pipeline of exhaust piping are also connected with waste-heat recovery device.
2. modularity cogeneration unit as claimed in claim 1, it is characterised in that described electricity generation module is also directly connected to
User power utilization device.
3. modularity cogeneration unit as claimed in claim 1, it is characterised in that the generating that described electricity generation module comprises
Machine be biogas generator, natural gas generator, gasoline engine generator, diesel-driven generator, methanol electromotor, shale gas electromotor, watt
This gas electromotor, alternator for vehicle and by the electromotor of engine modification.
4. modularity cogeneration unit as claimed in claim 1, it is characterised in that described waste-heat recovery device is board-like
Heat exchanger, shell-and-tube heat exchanger or finned heat exchanger.
5. modularity cogeneration unit as claimed in claim 1, it is characterised in that described chiller is air-cooled cold
But, cooling by water or oil cooling.
6. modularity cogeneration unit as claimed in claim 1, it is characterised in that described cooling water pipeline and flue gas leading
Road is placed in underground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620582471.2U CN205779303U (en) | 2016-06-15 | 2016-06-15 | Modularity cogeneration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620582471.2U CN205779303U (en) | 2016-06-15 | 2016-06-15 | Modularity cogeneration unit |
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| Publication Number | Publication Date |
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| CN205779303U true CN205779303U (en) | 2016-12-07 |
Family
ID=58133183
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| CN201620582471.2U Active CN205779303U (en) | 2016-06-15 | 2016-06-15 | Modularity cogeneration unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640417A (en) * | 2016-12-28 | 2017-05-10 | 重庆金之川动力机械有限公司 | Waste heat recovery system of generator |
-
2016
- 2016-06-15 CN CN201620582471.2U patent/CN205779303U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640417A (en) * | 2016-12-28 | 2017-05-10 | 重庆金之川动力机械有限公司 | Waste heat recovery system of generator |
| CN106640417B (en) * | 2016-12-28 | 2018-07-03 | 重庆金之川动力机械有限公司 | A kind of generator Waste Heat Recovery System |
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| GR01 | Patent grant |