CN104278863A - Inspection tour walkway of valve hall of converter station - Google Patents
Inspection tour walkway of valve hall of converter station Download PDFInfo
- Publication number
- CN104278863A CN104278863A CN201410498269.7A CN201410498269A CN104278863A CN 104278863 A CN104278863 A CN 104278863A CN 201410498269 A CN201410498269 A CN 201410498269A CN 104278863 A CN104278863 A CN 104278863A
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- metal
- framework structure
- inspection tour
- aisle
- valve
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/06—Pits or building structures for inspection or services
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- Engineering & Computer Science (AREA)
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Abstract
The invention relates to an inspection tour walkway of a valve hall of a converter station. The inspection tour walkway is characterized in that the inspection tour walkway is of a metal frame structure, an upper transverse beam, a lower transverse beam, a plurality of end beams and a metal wall are welded with one another to form the metal frame structure, the upper transverse beam, the lower transverse beam and the metal wall are parallel to one another and respectively form the top and the bottom of the metal frame structure, the various end beams are sequentially connected with one another to form two [-shaped structures, and the two [-shaped structures and the metal wall are respectively fixedly connected with one another to form two ends of the metal frame structure; a metal wire mesh is fixedly arranged on the outer side surface of the metal frame structure, metal shielding layers are fixedly arranged at the top, the bottom and the rear end of the metal frame structure, and a metal door is arranged at a communication position of the front end of the metal frame structure and a control building of the valve hall; the integral metal frame structure, the metal wire mesh, the metal shielding layers and the metal door are connected with one another to form a Faraday cage. The inspection tour walkway has the advantages that high-voltage electric equipment can be effectively prevented from discharging electrostatics to staffs in the inspection tour walkway, electromagnetic interference can be shielded, and personal safety accidents can be prevented.
Description
Technical field
The present invention relates to high-voltage dc transmission electrical domain, particularly make an inspection tour aisle about a kind of converter station valve hall be applicable in high voltage direct current transmission project.
Background technology
The current conversion station of high voltage direct current transmission project belongs to special industrial facility, wherein, the valve Room is most crucial building, valve Room internal placement a large amount of electric pressure from tens kilovolts to the critical electrical equipment of hundreds of kilovoltage, these electric fixturess operationally can send extremely strong electromagnetic wave, suitable safe distance must be kept between equipment and equipment, guarantee electrion not to occur between equipment.
According to the job requirements to the daily walkaround inspection of equipment, in the urgent need to arranging the passage of daily tour and fire-fighting accident treatment in converter station valve hall, arrange this passage can be conducive to tour personnel and enter in the valve Room and carry out walkaround inspection, carry out supplementing to industrial video surveillance observation dead angle in the valve Room and make an inspection tour, and by listening taking equipment noise, observation vibrations, and utilize portable equipment counterweight point device to carry out the methods such as temperature inspection contrast, eliminate accident potential; Because once the valve Room is because certain equipment fault is out of service; usually one pole can be caused to stop transport or downrating, sending end nest electricity hundreds of thousands even up to a million kilowatts can be made, receiving end short of electricity hundreds of thousands even up to a million kilowatts; even cause power network fluctuation, region has a power failure on a large scale.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of converter station valve hall that can meet the daily tour of staff and the requirement of fire-fighting accident treatment and make an inspection tour aisle.
For achieving the above object, the present invention takes following technical scheme: a kind of converter station valve hall makes an inspection tour aisle, it is characterized in that: described tour aisle is arranged on the metal body of wall of valve Room fire wall offside, the bottom in described tour aisle is higher than the top of valve Room internal valve tower, and the leading section in described tour aisle is communicated with control building, the valve Room; Described tour aisle is the metal framework structure be welded by top rail, lower transverse beam, some end carriages and described metal body of wall, wherein, described top rail, lower transverse beam and described metal body of wall be arranged in parallel the top and bottom that form described metal framework structure respectively, each described end carriage be in turn connected into two [type structure, [type structure is fixedly connected with described metal body of wall the both ends forming described metal framework structure respectively for each; The lateral surface of described metal framework structure is fixedly installed metallic steel silk screen, the top of described metal framework structure, bottom and rearward end are all fixedly installed metal screen layer, and leading section and control building, the described valve Room connectivity part of described metal framework structure arrange a metal door; Whole described metal framework structure, metallic steel silk screen, metal screen layer and metal door are connected to form a metal hexahedron faraday cup.
Described metal screen layer adopts the one in metal sheet and metallic steel silk screen, or the combination of metal sheet and metallic steel silk screen.
Each grid of the metallic steel silk screen that described metal framework structure lateral surface is arranged is greater than the caliber of fire-fighting jet pipe.
The length L of described metal framework structure determines according to the electric pressure of valve Room internal valve tower, and in the high end valve Room, L is 1/2nd of high end valve Room building length, and in the low end valve Room, L is 3/4ths of low end valve Room building length.
The height H of described metal framework structure and width W require to determine according to patrol and detection and fire-fighting operation, hold staff's tour and fire protection as long as can meet.
Between described tour aisle and control building, the described valve Room, metal step is set.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, tour aisle of the present invention is be arranged on the metal framework structure on the metal body of wall of the valve Room, each side of metal framework structure is provided with metallic steel silk screen or metal screen layer, metal framework structure and control building, valve Room connectivity part are provided with metal door, i.e. whole metal framework structure, metallic steel silk screen, metal screen layer and metal door are connected to form a metal hexahedron faraday cup, therefore, it is possible to effectively prevent high voltage electric equipment to the staff's electric discharge maked an inspection tour in aisle and shield electromagnetic interference, ensure the tour safety of staff, prevent the valve Room high voltage electric equipment from producing interference to patrol and detection instrument in addition, ensure that electric fixtures safety and detecting instrument are measured accurately.2, each grid of metallic steel silk screen metal framework structure lateral surface of the present invention arranged is greater than the caliber of fire-fighting jet pipe, when a fire, fire fighter can enter make an inspection tour aisle effectively fire-fighting operation is carried out to the equipment being arranged on higher position place in the valve Room by metallic steel silk screen.3, tour aisle of the present invention can be conducive to tour personnel and enters in the valve Room and carry out walkaround inspection, carry out supplementing to industrial video surveillance observation dead angle in the valve Room and make an inspection tour, and by listening taking equipment noise, observation vibrations, and utilize portable equipment counterweight point device to carry out the methods such as temperature inspection contrast, eliminate accident potential, ensure that the personal safety of the daily walkaround inspection in the HVDC converter substation valve Room.The present invention is succinct, safe, reliable, can be widely used in high voltage DC engineering.
Accompanying drawing explanation
Fig. 1 is that converter station valve hall of the present invention makes an inspection tour aisle structural representation;
Fig. 2 is the A portion enlarged diagram of Fig. 1;
Fig. 3 is tour aisle, the current conversion station height end valve Room of the present invention configuration plane schematic diagram;
Fig. 4 is tour aisle, current conversion station of the present invention low end valve Room disposition-plan schematic diagram;
Fig. 5 is that converter station valve hall of the present invention makes an inspection tour aisle configuration right view (sectional drawing);
Fig. 6 is the A portion enlarged diagram of Fig. 5.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in figs. 1 to 6, converter station valve hall of the present invention is maked an inspection tour aisle and is arranged on the metal body of wall 12 of fire wall 11 offside in the valve Room 1, make an inspection tour the top of bottom higher than valve Room internal valve tower (V1 ~ V6 as shown in Fig. 3, Fig. 5) in aisle 2, the front end face making an inspection tour aisle 2 is communicated with control building, the valve Room 13, is convenient to staff and comes in and goes out.
Making an inspection tour aisle 2 is the metal framework structures be welded by top rail 21, lower transverse beam 22, some end carriages 23 and metal body of wall 12, wherein, top rail 21, lower transverse beam 22 and metal body of wall 12 be arranged in parallel the top and bottom that form metal framework structure respectively, each end carriage 23 be in turn connected into two " [" type structure, " [" type structure is fixedly connected with metal body of wall 12 both ends forming metal framework structure respectively for each; Wherein, the lateral surface (being parallel to metal body of wall 12 and close side, the valve Room) of metal framework structure is fixedly installed metallic steel silk screen 24, the top of metal framework structure, bottom and rearward end are all fixedly installed metal screen layer, and the leading section of metal framework structure and control building 13, valve Room connectivity part arrange the metal door 25 that an employing steel plate is made; Whole metal framework structure, metallic steel silk screen 24, metal screen layer and metal door 25 are connected to form a metal hexahedron faraday cup, can imitate and prevent high voltage electric equipment to the staff's electric discharge maked an inspection tour in aisle and shield electromagnetic interference.
In a preferred embodiment, each grid of the metallic steel silk screen that metal framework structure lateral surface is arranged is greater than the caliber of fire-fighting jet pipe, and when making breaking out of fire, staff can carry out fire-fighting operation to the equipment in the valve Room effectively.
In a preferred embodiment, metal screen layer adopts the one in metal sheet and metallic steel silk screen, or the combination of metal sheet and metallic steel silk screen.
In a preferred embodiment, as shown in Figure 3, Figure 4, the length L of metal framework structure determines according to the electric pressure of valve Room internal valve tower, in this no limit, such as: as shown in Figure 3, in the high end valve Room, L is generally chosen for 1/2nd of high end valve Room building length; As shown in Figure 4, in the low end valve Room, L is generally chosen for 3/4ths of low end valve Room building length.
In a preferred embodiment, as shown in Figure 1, Figure 3, the height H of metal framework structure and width W require to determine according to patrol and detection and fire-fighting operation, hold staff's tour and fire protection as long as can meet, in this no limit.In addition, distance D between the bottom surface of metal framework structure and adjacent valve tower can determine according to actual service condition, when ensureing not occur to discharge between metal framework structure and high voltage electric equipment, meet staff can observe all electric fixturess in valve Room running status when patrol and detection; The bottom surface distance ground vertical height M of metal framework structure changes according to the electric pressure change of electric fixtures, and the absolute altitude (as shown in Figure 5) of at the bottom of beam 14 is suspended in the usual M+H=valve Room in midair.
In a preferred embodiment, make an inspection tour aisle 2 and control can also arrange metal step between building 13, facilitating staff to come in and go out.
Make an inspection tour aisle below in conjunction with specific embodiment to converter station valve hall of the present invention to be described in detail:
As shown in figs. 1 to 6, in Sichuan silk screen-Law Firm Suzhou Jiangsu ± 800 kilovolt high voltage direct current transmission project, high-end and the tour aisle, the low end valve Room of the current conversion station in silk screen and two ± 800 kilovolts, Suzhou is all arranged on the offside metal body of wall upper left side of its fire wall, make an inspection tour the width W in aisle own and be generally 1 ~ 3 meter, make an inspection tour the height H in aisle own and be generally 2 ~ 3 meters.
Wherein, in the high end valve Room, the tour bottom surface in aisle and the distance D of high pressure valve top of tower are 10 ~ 13 meters, and for tour corridor length L, it is generally 1/2nd of high end valve Room building length; In the high end valve Room, make an inspection tour the liftoff vertical distance M in aisle and be generally 10 ~ 13 meters.
In the low end valve Room, the bottom surface and the high pressure valve top of tower D that make an inspection tour aisle are 6 ~ 8 meters; For tour corridor length L, in the low end valve Room, it is generally 3/4ths of low end valve Room building length.
The various embodiments described above are only for illustration of the present invention; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (7)
1. converter station valve hall makes an inspection tour an aisle, it is characterized in that: described tour aisle is arranged on the metal body of wall of valve Room fire wall offside, and the bottom in described tour aisle is higher than the top of valve Room internal valve tower, and the leading section in described tour aisle is communicated with control building, the valve Room;
Described tour aisle is the metal framework structure be welded by top rail, lower transverse beam, some end carriages and described metal body of wall, wherein, described top rail, lower transverse beam and described metal body of wall be arranged in parallel the top and bottom that form described metal framework structure respectively, each described end carriage be in turn connected into two [type structure, [type structure is fixedly connected with described metal body of wall the both ends forming described metal framework structure respectively for each; The lateral surface of described metal framework structure is fixedly installed metallic steel silk screen, the top of described metal framework structure, bottom and rearward end are all fixedly installed metal screen layer, and leading section and control building, the described valve Room connectivity part of described metal framework structure arrange a metal door; Whole described metal framework structure, metallic steel silk screen, metal screen layer and metal door are connected to form a metal hexahedron faraday cup.
2. a kind of converter station valve hall as claimed in claim 1 makes an inspection tour aisle, it is characterized in that: described metal screen layer adopts the one in metal sheet and metallic steel silk screen, or the combination of metal sheet and metallic steel silk screen.
3. a kind of converter station valve hall as claimed in claim 1 makes an inspection tour aisle, it is characterized in that: each grid of the metallic steel silk screen that described metal framework structure lateral surface is arranged is greater than the caliber of fire-fighting jet pipe.
4. a kind of converter station valve hall as claimed in claim 2 makes an inspection tour aisle, it is characterized in that: each grid of the metallic steel silk screen that described metal framework structure lateral surface is arranged is greater than the caliber of fire-fighting jet pipe.
5. a kind of converter station valve hall as claimed in claim 1 or 2 or 3 or 4 makes an inspection tour aisle, it is characterized in that: the length L of described metal framework structure determines according to the electric pressure of valve Room internal valve tower, in the high end valve Room, L is 1/2nd of high end valve Room building length, in the low end valve Room, L is 3/4ths of low end valve Room building length.
6. a kind of converter station valve hall as claimed in claim 1 or 2 or 3 or 4 makes an inspection tour aisle, it is characterized in that: the height H of described metal framework structure and width W require to determine according to patrol and detection and fire-fighting operation, hold staff's tour and fire protection as long as can meet.
7. a kind of converter station valve hall as claimed in claim 1 or 2 or 3 or 4 makes an inspection tour aisle, it is characterized in that: arrange metal step between described tour aisle and control building, the described valve Room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498269.7A CN104278863B (en) | 2014-09-25 | 2014-09-25 | A kind of converter station valve hall makes an inspection tour aisle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498269.7A CN104278863B (en) | 2014-09-25 | 2014-09-25 | A kind of converter station valve hall makes an inspection tour aisle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104278863A true CN104278863A (en) | 2015-01-14 |
| CN104278863B CN104278863B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410498269.7A Active CN104278863B (en) | 2014-09-25 | 2014-09-25 | A kind of converter station valve hall makes an inspection tour aisle |
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| CN (1) | CN104278863B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107249292A (en) * | 2017-06-23 | 2017-10-13 | 国家电网公司 | Cruising inspection system and its method for inspecting for electric power current conversion station |
| CN108200758A (en) * | 2018-02-01 | 2018-06-22 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of ultra-high voltage converter station valve Room double layer screen cage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030235026A1 (en) * | 2002-06-25 | 2003-12-25 | Mathias Anheuer | Compact converter station |
| CN202731349U (en) * | 2012-09-09 | 2013-02-13 | 中国能源建设集团广东省电力设计研究院 | Equal-column-space composite structure for high-end valve halls of converter stations |
| CN103872695A (en) * | 2014-03-14 | 2014-06-18 | 中国能源建设集团广东省电力设计研究院 | Flexible direct current converter station valve hall-direct current field combined building structure |
| CN204126324U (en) * | 2014-09-25 | 2015-01-28 | 国家电网公司 | A kind of converter station valve hall makes an inspection tour aisle |
-
2014
- 2014-09-25 CN CN201410498269.7A patent/CN104278863B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030235026A1 (en) * | 2002-06-25 | 2003-12-25 | Mathias Anheuer | Compact converter station |
| CN202731349U (en) * | 2012-09-09 | 2013-02-13 | 中国能源建设集团广东省电力设计研究院 | Equal-column-space composite structure for high-end valve halls of converter stations |
| CN103872695A (en) * | 2014-03-14 | 2014-06-18 | 中国能源建设集团广东省电力设计研究院 | Flexible direct current converter station valve hall-direct current field combined building structure |
| CN204126324U (en) * | 2014-09-25 | 2015-01-28 | 国家电网公司 | A kind of converter station valve hall makes an inspection tour aisle |
Non-Patent Citations (2)
| Title |
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| 刘宗辉等: "特高压换流站高端阀厅结构设计", 《电力建设》 * |
| 刘小刚等: "宝鸡换流站阀厅电气连接及金具设计特点", 《电力建设》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107249292A (en) * | 2017-06-23 | 2017-10-13 | 国家电网公司 | Cruising inspection system and its method for inspecting for electric power current conversion station |
| CN107249292B (en) * | 2017-06-23 | 2019-05-17 | 国家电网公司 | Cruising inspection system and its method for inspecting for electric power converter station |
| CN108200758A (en) * | 2018-02-01 | 2018-06-22 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of ultra-high voltage converter station valve Room double layer screen cage |
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| Publication number | Publication date |
|---|---|
| CN104278863B (en) | 2016-08-17 |
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