CN206180586U - Isolated island operation system based on cement plant cogeneration - Google Patents
Isolated island operation system based on cement plant cogeneration Download PDFInfo
- Publication number
- CN206180586U CN206180586U CN201621198942.6U CN201621198942U CN206180586U CN 206180586 U CN206180586 U CN 206180586U CN 201621198942 U CN201621198942 U CN 201621198942U CN 206180586 U CN206180586 U CN 206180586U
- Authority
- CN
- China
- Prior art keywords
- section
- busbar section
- bus
- power generation
- busbar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model belongs to the technical field of cogeneration and specifically relates to an isolated island operation system based on cement plant cogeneration, including cement plant waste heat power generation system, a busbar section, the 2nd busbar section and main sub -station, a busbar section one end is connected to cement plant waste heat power generation system, a busbar section other end is connected to the 2nd busbar section through bus tie breaker, the 2nd busbar section connects the main sub -station, waste heat power generation system generated energy in cement plant all supplies the loads on the busbar section to use, cubical switchboard department at a busbar section is equipped with low frequency low pressure separation device, it has magnitude of voltage and frequency value to set for in the low frequency low pressure separation device, when magnitude of voltage on the busbar section and frequency value are less than the setting value in the low frequency low pressure separation device, the bus tie breaker disconnection, make a cement plant waste heat power generation system and a busbar section form the isolated island operation mode, make full use of the surplus heat resource of cement stove, and the energy source is saved, the cement manufacture cost is reduced with the economic benefits who has improved the enterprise.
Description
[technical field]
This utility model is related to cogeneration field, specifically a kind of islet operation based on Technology in Surplus Heat Power Generation of Cement Factory
System.
[background technology]
In recent years, with the economic continuous improvement maintained sustained and rapid growth with people's level, domestic electrical insufficient supply
Problem is outstanding day by day, and the situation of power cuts to limit consumption happens occasionally, this kind of processing mode to enterprise normal production and the people it is daily
Life brings very big impact.Particularly with this high energy-consuming enterprises in cement plant, motor type is more, capacity is big, voltage level is high, whole
Individual fabrication line process start and stop can once cause substantial amounts of energy loss, and to enterprise very big financial burden is brought.Therefore, dispatch from foreign news agency is worked as
During net power failure, cement plant production line has to shut down, and so, will result in a large amount of residual heat resources and wastes, while raw
Producing line can cause a large amount of energy losses when starting.
[utility model content]
This utility model is directed to above-mentioned problem, proposes a kind of islet operation system based on Technology in Surplus Heat Power Generation of Cement Factory, no
The residual heat resources of the kiln system in cement plant can be only made full use of, and cement plant critical load can be made to remain in operation.
To achieve these goals, a kind of islet operation system based on Technology in Surplus Heat Power Generation of Cement Factory is designed, including cement plant
Afterheat generating system, the first bus section, busbar section, the second bus section, busbar section and main sub-station, first described bus section, busbar section one end is connected to cement plant
Afterheat generating system, the first bus section, busbar section other end is connected to the second bus section, busbar section by bus, and the connection of the second bus section, busbar section is total
Transformer station, described Technology in Surplus Heat Power Generation of Cement Factory system institute generated energy is all used for the load on the first bus section, busbar section, female first
Low-frequency and low-voltage disconnection device is provided with the switch cubicle of line segment, magnitude of voltage and frequency values, institute are set with low-frequency and low-voltage disconnection device
When the magnitude of voltage on the first bus section, busbar section stated and frequency values are less than the setting value in low-frequency and low-voltage disconnection device, bus breaks
Open so that Technology in Surplus Heat Power Generation of Cement Factory system forms islet operation pattern with the first bus section, busbar section.
The second described bus section, busbar section is provided with voltage transformer for detecting supply voltage, frequency, phase sequence, the phase angle of end of incoming cables
Parameter, after electrical network service restoration, makes phase sequence, voltage, frequency, the phase angle synchronization on the first bus section, busbar section and electrical network bus, so as to
Bus is driven to close a floodgate grid-connected.
Respectively parallel connection is connected to for limestone crushing, raw mill, kiln hood, kiln tail grout line on the first described bus section, busbar section
Load.
The total load capacity of the first described bus section, busbar section prevents from forming counter sending more than the capacity of Technology in Surplus Heat Power Generation of Cement Factory system
Electricity.
This utility model compared with the existing technology, has an advantage in that：The system can provide Technology in Surplus Heat Power Generation of Cement Factory system
Critical load concentrate on the first bus section, busbar section, remaining load that need not be powered is placed on the second bus section, busbar section, when external power grid supply
When electric fault interrupts, Technology in Surplus Heat Power Generation of Cement Factory system forms the islet operation pattern of uninterrupted power supply with the first bus section, busbar section, fully
Using cement furnace residual heat resources, the energy is saved, reduced manufacture of cement cost and improve the economic benefit of enterprise.
[description of the drawings]
Fig. 1 is connection diagram of the present utility model.
[specific embodiment]
Below in conjunction with the accompanying drawings the utility model is described in further detail, the structure and principle of this device people professional to this
For be very clearly.It should be appreciated that specific embodiment described herein is only to explain this utility model, and without
In restriction this utility model.
The connection diagram of the system is shown in Fig. 1, and this utility model is after outer electrical breakdown, to make full use of more than cement furnace
Thermal resource, formed uninterrupted power supply island mode, due to existing Technology in Surplus Heat Power Generation of Cement Factory systems technology it is more ripe, this practicality
Novel pin is to powered operation system as main statement.This utility model mainly includes Technology in Surplus Heat Power Generation of Cement Factory system, first female
Line segment, the second bus section, busbar section and main sub-station, first bus section, busbar section one end is connected to Technology in Surplus Heat Power Generation of Cement Factory system, and the first bus section, busbar section is another
One end is connected to the second bus section, busbar section by bus, and respectively parallel connection is connected to for limestone crushing, life on the first bus section, busbar section
Material mill, kiln hood, kiln tail grout line etc. critical load, remaining load that need not be powered is placed on the second bus section, busbar section, and second is female
Line segment connects main sub-station, and Technology in Surplus Heat Power Generation of Cement Factory system institute generated energy is all used for the load on the first bus section, busbar section, and first
The total load capacity of bus section, busbar section prevents from forming anti-power transmission, in the first bus section, busbar section more than the capacity of Technology in Surplus Heat Power Generation of Cement Factory system
Low-frequency and low-voltage disconnection device is provided with switch cubicle, magnitude of voltage and frequency values, the first bus are set with low-frequency and low-voltage disconnection device
When magnitude of voltage and frequency values in section is less than the setting value in low-frequency and low-voltage disconnection device, bus disconnects so that cement
Factory's afterheat generating system and the first bus section, busbar section form islet operation pattern.
Second bus section, busbar section is provided with voltage transformer for detecting supply voltage, frequency, phase sequence, the phase angular dimensions of end of incoming cables,
After electrical network service restoration, phase sequence, voltage, frequency, the phase angle synchronization on the first bus section, busbar section and electrical network bus is made, so as to drive mother
Connection breaker closing is grid-connected.
During islet operation, Technology in Surplus Heat Power Generation of Cement Factory system institute generated energy all use by the first bus section, busbar section load of supply, and first is female
Line segment is connected by interconnection and switch cubicle with the bus in Technology in Surplus Heat Power Generation of Cement Factory system, and the first bus section, busbar section is by mother open circuit
Device is connected with the second bus section, busbar section, second bus section, busbar section other end connection main sub-station.When outer net supply line interrupt suddenly or because
When overhauling the power failure such as power failure on demand, the low-frequency and low-voltage disconnection device on the first bus section, busbar section is less than setting value, and bus disconnects,
First bus section, busbar section forms the decoupled mode of uninterrupted power supply.When external power grid restores electricity, the electricity that the second bus section, busbar section is provided with
Pressure transformer judge and adjust steam turbine rotating speed and electromotor voltage, make the first bus section, busbar section and the second bus section, busbar section phase sequence,
Voltage, frequency, phase angle synchronization, drive bus to close a floodgate grid-connected, and isolated network is integrally incorporated bulk power system, recover normal fortune
OK.Therefore, this kind of decoupled mode improves economic benefit so as to be sufficiently used residual heat resources.
Claims (4)
1. a kind of islet operation system based on Technology in Surplus Heat Power Generation of Cement Factory, including Technology in Surplus Heat Power Generation of Cement Factory system, the first bus section, busbar section,
Second bus section, busbar section and main sub-station, it is characterised in that first described bus section, busbar section one end is connected to Technology in Surplus Heat Power Generation of Cement Factory system,
The first bus section, busbar section other end is connected to the second bus section, busbar section by bus, and the second bus section, busbar section connection main sub-station is described
Technology in Surplus Heat Power Generation of Cement Factory system institute generated energy is all used for the load on the first bus section, busbar section, at the switch cubicle of the first bus section, busbar section
Low-frequency and low-voltage disconnection device is provided with, magnitude of voltage and frequency values, the first described bus section, busbar section are set with low-frequency and low-voltage disconnection device
On magnitude of voltage and frequency values less than setting value in low-frequency and low-voltage disconnection device when, bus disconnects so that cement plant
Afterheat generating system and the first bus section, busbar section form islet operation pattern.
2. a kind of islet operation system based on Technology in Surplus Heat Power Generation of Cement Factory as claimed in claim 1, it is characterised in that described
Second bus section, busbar section is provided with voltage transformer for detecting supply voltage, frequency, phase sequence, the phase angular dimensions of end of incoming cables, when electrical network is supplied
After electricity recovers, phase sequence, voltage, frequency, the phase angle synchronization on the first bus section, busbar section and electrical network bus is made, so as to drive bus
Close a floodgate grid-connected.
3. a kind of islet operation system based on Technology in Surplus Heat Power Generation of Cement Factory as claimed in claim 1, it is characterised in that described
On first bus section, busbar section respectively parallel connection be connected to for limestone crushing, raw mill, kiln hood, kiln tail grout line load.
4. a kind of islet operation system based on Technology in Surplus Heat Power Generation of Cement Factory as claimed in claim 1, it is characterised in that described
The total load capacity of the first bus section, busbar section prevents from forming anti-power transmission more than the capacity of Technology in Surplus Heat Power Generation of Cement Factory system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621198942.6U CN206180586U (en) | 2016-11-07 | 2016-11-07 | Isolated island operation system based on cement plant cogeneration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621198942.6U CN206180586U (en) | 2016-11-07 | 2016-11-07 | Isolated island operation system based on cement plant cogeneration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206180586U true CN206180586U (en) | 2017-05-17 |
Family
ID=58683190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621198942.6U Active CN206180586U (en) | 2016-11-07 | 2016-11-07 | Isolated island operation system based on cement plant cogeneration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206180586U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382109A (en) * | 2017-09-04 | 2017-11-24 | 中材建设有限公司 | Electric energy maintains cement produced with the dry method firing process and its power supply-distribution system certainly |
| CN107612031A (en) * | 2017-09-30 | 2018-01-19 | 安徽海螺建材设计研究院 | Cogeneration grid-connected system |
| CN110445244A (en) * | 2019-07-16 | 2019-11-12 | 咸宁南玻玻璃有限公司 | A kind of floatation glass production line outer net have a power failure after method of supplying power to |
| CN110797909A (en) * | 2019-09-20 | 2020-02-14 | 河源旗滨硅业有限公司 | Waste heat power generation island operation control method and system |
-
2016
- 2016-11-07 CN CN201621198942.6U patent/CN206180586U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382109A (en) * | 2017-09-04 | 2017-11-24 | 中材建设有限公司 | Electric energy maintains cement produced with the dry method firing process and its power supply-distribution system certainly |
| CN107382109B (en) * | 2017-09-04 | 2022-04-08 | 中材建设有限公司 | Electric energy self-maintaining dry cement sintering process and power supply and distribution system thereof |
| CN107612031A (en) * | 2017-09-30 | 2018-01-19 | 安徽海螺建材设计研究院 | Cogeneration grid-connected system |
| CN107612031B (en) * | 2017-09-30 | 2024-01-23 | 安徽海螺建材设计研究院 | Waste heat power generation grid-connected system |
| CN110445244A (en) * | 2019-07-16 | 2019-11-12 | 咸宁南玻玻璃有限公司 | A kind of floatation glass production line outer net have a power failure after method of supplying power to |
| CN110797909A (en) * | 2019-09-20 | 2020-02-14 | 河源旗滨硅业有限公司 | Waste heat power generation island operation control method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206180586U (en) | Isolated island operation system based on cement plant cogeneration | |
| CN106655478B (en) | Low-voltage emergency safety power supply system of household garbage power plant and control method thereof | |
| CN203747436U (en) | Distributed photovoltaic power generation access system | |
| CN103580264A (en) | Direct current micro-grid system supplying power in looped network mode | |
| CN104377729A (en) | Reverse power protection method applicable to self-generation self-use grid-connection mode distributed photovoltaic power station | |
| CN202749834U (en) | Low-voltage ride through device of photovoltaic grid-connected inverter | |
| CN102185334B (en) | Multiple parallel large-horsepower generator set and commercial power interconnection system therewith | |
| CN204992611U (en) | Photovoltaic contravariant single phase alternating current and box with a net | |
| CN202524282U (en) | Device for preventing frequency converter from power shaking | |
| CN203014354U (en) | Circuit for controlling auxiliary device of large units | |
| CN202050253U (en) | Multiple large power high speed full-automatic integrated parallel connection and commercial power grid connection system | |
| CN202678984U (en) | Solar photovoltaic system applied to grid-connected power supply of large-size civil buildings | |
| CN107230995A (en) | A kind of intelligent substation micro-grid system | |
| CN203205888U (en) | Medium-and-small sized hydroelectric generating set dual-system hot backup control system | |
| CN112615395B (en) | Roof light storage type wind power plant black start method | |
| CN203933152U (en) | Power plant's black startup diesel engine unit control system | |
| CN103001253B (en) | Be suitable for photovoltaic DC-to-AC converter electric power system and the method for supplying power to thereof of lower voltage ride-through requirement | |
| CN102355002A (en) | Device and system for protecting islanding effect in isolated-type grid-connected power generation | |
| CN100561857C (en) | The power transformation system of sending out of multistage adjustment power | |
| CN103855723A (en) | Control device for preventing inverse power transmission of grid-connected point of photovoltaic power station | |
| CN208835767U (en) | Cement plant power plant for self-supply power supply system based on multipurpose diesel-driven generator | |
| CN202872456U (en) | Control device enabling automatic switching on of mains electricity supply after UPS failure in ingot casting production process | |
| CN202978407U (en) | Double-power-supply switching control circuit | |
| CN202333782U (en) | Frequency-conversion power-grid-fluctuation-resistance device for low-tension motor | |
| CN203589745U (en) | Automatic switchover module and photovoltaic grid-connected/off-grid automatic power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |