CN107147010A - A kind of corner pulverized-coal fired boiler electric power system - Google Patents
A kind of corner pulverized-coal fired boiler electric power system Download PDFInfo
- Publication number
- CN107147010A CN107147010A CN201710520610.8A CN201710520610A CN107147010A CN 107147010 A CN107147010 A CN 107147010A CN 201710520610 A CN201710520610 A CN 201710520610A CN 107147010 A CN107147010 A CN 107147010A
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- China
- Prior art keywords
- power
- corner
- pulverized
- fired boiler
- coal fired
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- 239000003245 coal Substances 0.000 title claims abstract description 39
- 238000004891 communication Methods 0.000 claims description 3
- 239000002817 coal dust Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention discloses a kind of corner pulverized-coal fired boiler electric power system, including corner pulverized-coal fired boiler, feed cable, power cabinet and control system, described four angles of corner pulverized-coal fired boiler are equipped with some executing agencies, the power cabinet is beside the pulverized-coal fired boiler of corner, the feed cable is powered by power cabinet to executing agency, the executing agency is also connected by power cabinet with control system, can effectively be saved feed cable and control cable, be reduced crane span structure arrangement.
Description
Technical field
The present invention relates to electrical engineering technical field, and in particular to a kind of corner pulverized-coal fired boiler electric power system.
Background technology
Corner pulverized-coal fired boiler accounts for more than the 70% of all types of boilers in thermal power plant, at present conventional corner coal
The power supply of powder boiler and mode of connection are that the power distribution station and electronics that power cabinet and switch board are arranged in into main building Huo Jikong buildings are set
Between standby, the corner of boiler is sent to by power supply and control cable respectively from power distribution station and electric room, using this conventional
Mode is primarily present following defect.
1. need to plan from power distribution station and electric room to the multi-layer cable passage at four burning angles of boiler, due to cable
Crane span structure is needed through bunker bay, boiler steel frame etc., therefore designs complex, and difficulty is larger.
2. from power distribution station and electric room to boiler is distant, number of cables is big, the crane span structure number of plies is more, and boiler is every
Individual execution structure is both needed to multi-cable, it is therefore desirable to expend substantial amounts of cable and crane span structure, construction work amount is larger.
3. power switch is arranged in the power cabinet of power distribution station, site examining and repairing and debugging division power supply need and power distribution station
Personnel's contact, which coordinates, to be operated, and easily causes potential safety hazard.
4. power cabinet and wiring cabinet take the expensive real estate of main building and power distribution station, construction investment is added.
In consideration of it, special propose this invention.
The content of the invention
For the deficiencies in the prior art, being powered it is an object of the invention to provide a kind of corner pulverized-coal fired boiler is
System, can effectively save feed cable and control cable, reduce crane span structure arrangement.
The technical proposal of the invention is realized in this way：
A kind of corner pulverized-coal fired boiler electric power system, including corner pulverized-coal fired boiler, feed cable, power cabinet and control system, institute
State four angles of corner pulverized-coal fired boiler and be equipped with some executing agencies, the power cabinet is beside the pulverized-coal fired boiler of corner, the electricity
Source cable is powered by power cabinet to executing agency, can effectively be saved feed cable, be reduced crane span structure arrangement, the execution machine
Structure is also connected by power cabinet with control system, can effectively be reduced control cable, be reduced crane span structure arrangement.
Further, it is characterised in that the feed cable is 2 tunnels, include in the power cabinet power transfer device and
Power switch, the end of incoming cables of the power transfer device is entered to be connected with No. 2 power lines, the leading-out terminal of the power transfer device with
The end of incoming cables connection of power switch, the leading-out terminal of the power switch is connected with executing agency's power intake.
Further, also include control module in the power cabinet, the communication terminal of the executing agency by control module with
The control system connection.
Further, the quantity of the power cabinet is 4, and 4 power cabinets are respectively arranged on described four angles of corner pulverized-coal fired boiler
Side.
The beneficial effects of the invention are as follows：
1. feed cable is powered by power cabinet to executing agency, it can effectively save feed cable, reduce crane span structure arrangement,
Executing agency is connected by power cabinet with control system, can effectively be reduced control cable, be reduced crane span structure arrangement, and then reduce
The complexity and difficulty of quantities, reduction design.
2. power cabinet is beside the pulverized-coal fired boiler of corner, power switch is in power cabinet, on the spot when modulation and maintenance
Operation, without needing to be driven by intercom remote control, facilitates debugging and overhauls.
3. power cabinet is beside the pulverized-coal fired boiler of corner, the space of power distribution station can be reduced, and then reduce construction investment, section
About cost.
Brief description of the drawings
Fig. 1 is a kind of floor plan of corner pulverized-coal fired boiler electric power system power cabinet；
Fig. 2 is a kind of elementary diagram of corner pulverized-coal fired boiler electric power system.
In figure：Tetra- jiaos of pulverized-coal fired boilers of 1-, 2- feed cables, 3- power cabinets, 4- executing agencies, 5- power transfer devices, 6-
Power switch, 7- control modules, 8- control cables.
Embodiment
In order that those skilled in the art more fully understand technical scheme, it is right with reference to the accompanying drawing of the present invention
Technical scheme is clearly and completely described, and based on the embodiment in the application, those of ordinary skill in the art exist
The other class be the same as Examples obtained on the premise of not making creative work, should all belong to the scope of the application protection.
Embodiment one：
As shown in Figure 1 and 2, a kind of corner pulverized-coal fired boiler electric power system, including corner pulverized-coal fired boiler 1, feed cable 2, power cabinet 3
And control system, the capacity of corner pulverized-coal fired boiler 1 is 600MW, and 4 angles of the corner pulverized-coal fired boiler 1 are equipped with 25
Executing agency 4, the power cabinet 3 totally 4,4 power cabinets 3 are respectively arranged on the side at 4 angles of corner pulverized-coal fired boiler 1, respectively
Powered for the execution structure 4 on 4 angles of corner pulverized-coal fired boiler 1.Every power cabinet 3 including 2 road feed cables 2 inlet wire,
Power transfer device 5, power switch 6 and control module 7, inlet wire and the power transfer device 5 of 2 road feed cable 2
Input is linked, and the power switch 6 includes performing structure breaker and standby short-circuiting device, the execution structure breaker
Quantity is 25, and the quantity of the back-up breaker is 2, the input of executing agency's breaker and back-up breaker
Output end with power transfer device 5 is connected, and the output end of each executing agency's breaker and each execution power of structure 4 are defeated
Enter end to connect one by one, be that the power supply of executing agency 4 can ensure the stability of power supply by 2 road feed cables 2, it is disconnected in executing agency
Executing agency 4 is connected using back-up breaker to power for it, may further ensure that the stability of power supply when road device goes wrong,
Described one end of control module 7 is connected with the communication terminal of each executing agency 4, and its other end is by controlling cable 8 to connect with control system
Connect.
Using traditional electric power system（I.e. power cabinet 3 is in power distribution station）, 4 angles of corner pulverized-coal fired boiler 1 are equipped with
25 executing agencies 4, totally 100 executing agencies 4, every 1 feed cable 2 of needs of executing agency 4, then need 100 power supplys altogether
Cable 2, the length of average 1 feed cable 2 is 100 meters（Distance of the power distribution station to corner pulverized-coal fired boiler 1）, then power supply electricity is needed altogether
The length of cable 2 is 100*100=ten thousand metres, and the electric power system of the present embodiment, every power cabinet 3 needs 2 feed cables 2,4
Power cabinet 3 needs 8 feed cables 2 altogether, and the length of average 1 feed cable 2 is 100 meters（Power distribution station is to corner pulverized-coal fired boiler 1
Distance）, then the length for needing feed cable 2 altogether is 100*8=800 meter, therefore uses the electric power system of the present embodiment to save electricity altogether
The length of source cable 2 is 10000-800=9200 meter.
Using traditional electric power system（I.e. power cabinet 3 is in power distribution station）, 4 angles of corner pulverized-coal fired boiler 1 are equipped with
25 executing agencies 4, totally 100 executing agencies 4, every executing agency 4 needs 2 control cables 8（1 is used for executing agency
The transmission of control signal, 1 is used for the transmission of executing agency's feedback signal）, then 200 control cables 8, average 1 control are needed altogether
The length of cable 8 processed is 100 meters（Distance of the power distribution station to corner pulverized-coal fired boiler 1）, then the length that need to control cable 8 altogether is 100*
200=20000 meters, the electric power system of the present embodiment, every power cabinet 3 needs 1 control cable 8（Executing agency 4 passes through control
Module 7 is connected with control system, it is therefore desirable to 1 control cable 8）, 4 power cabinets 3 need 4 control cables 8 altogether, average
1 length for controlling cable 8 is 100 meters（Distance of the power distribution station to corner pulverized-coal fired boiler 1）, then the length of cable 8 need to be controlled altogether
For 100*4=400 meter, thus use the electric power system of the present embodiment can save altogether control the length of cable 8 for 20000-400=
19600 meters.
In summary, the average price of feed cable 2 is 8 yuan/meter, and the average price for controlling cable 8 is 15 yuan/meter, therefore
8*9200+15*19600=367600 yuan can be saved using the electric power system of the present embodiment altogether.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (4)
1. a kind of corner pulverized-coal fired boiler electric power system, it is characterised in that including corner pulverized-coal fired boiler, feed cable, power cabinet with
And control system, described four angles of corner pulverized-coal fired boiler are equipped with some executing agencies, and the power cabinet is located at corner coal dust pot
Beside stove, the feed cable is powered by power cabinet to executing agency, and the executing agency is also with control by power cabinet
System connection.
2. a kind of corner pulverized-coal fired boiler electric power system according to claim 1, it is characterised in that the feed cable is 2 tunnels,
Include power transfer device and power switch, the end of incoming cables of the power transfer device and No. 2 power lines in the power cabinet
Enter connection, the end of incoming cables of the leading-out terminal of the power transfer device and power switch is connected, the leading-out terminal of the power switch with
Executing agency's power intake connection.
3. a kind of corner pulverized-coal fired boiler electric power system according to claim 1, it is characterised in that also include in the power cabinet
Control module, the communication terminal of the executing agency is connected by control module with the control system.
4. according to a kind of any corner pulverized-coal fired boiler electric power system of Claims 2 or 3, it is characterised in that the power cabinet
Quantity be 4,4 power cabinets are respectively arranged on the side at four angles of corner pulverized-coal fired boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710520610.8A CN107147010A (en) | 2017-06-30 | 2017-06-30 | A kind of corner pulverized-coal fired boiler electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710520610.8A CN107147010A (en) | 2017-06-30 | 2017-06-30 | A kind of corner pulverized-coal fired boiler electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107147010A true CN107147010A (en) | 2017-09-08 |
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ID=59785843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710520610.8A Pending CN107147010A (en) | 2017-06-30 | 2017-06-30 | A kind of corner pulverized-coal fired boiler electric power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107147010A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201191374Y (en) * | 2008-05-08 | 2009-02-04 | 西安博恒智能技术有限公司 | Electric wire type field bus coal plough control system |
| CN204391746U (en) * | 2015-02-03 | 2015-06-10 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of electric block electric power-feeding structure |
| CN206864874U (en) * | 2017-06-30 | 2018-01-09 | 青岛鸿瑞电力工程咨询有限公司 | A kind of corner pulverized-coal fired boiler electric power system |
-
2017
- 2017-06-30 CN CN201710520610.8A patent/CN107147010A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201191374Y (en) * | 2008-05-08 | 2009-02-04 | 西安博恒智能技术有限公司 | Electric wire type field bus coal plough control system |
| CN204391746U (en) * | 2015-02-03 | 2015-06-10 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of electric block electric power-feeding structure |
| CN206864874U (en) * | 2017-06-30 | 2018-01-09 | 青岛鸿瑞电力工程咨询有限公司 | A kind of corner pulverized-coal fired boiler electric power system |
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Application publication date: 20170908 |