CN206451848U - Sleeve-type chimney lightning protection earthing system - Google Patents
Sleeve-type chimney lightning protection earthing system Download PDFInfo
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- CN206451848U CN206451848U CN201621484768.1U CN201621484768U CN206451848U CN 206451848 U CN206451848 U CN 206451848U CN 201621484768 U CN201621484768 U CN 201621484768U CN 206451848 U CN206451848 U CN 206451848U
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- outer tube
- tube wall
- steel
- armored concrete
- steel bar
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Abstract
The utility model discloses a kind of sleeve-type chimney lightning protection earthing system, solve traditional sleeve-type chimney lightning protection earthing system and be not avoided that internal portion's steel platform electric discharge and cause the problem of personnel come to harm.In armored concrete outer tube wall（1）Madial wall on be provided with surface flat steel bar（10）, surface flat steel bar（10）It is by plastics clip（9）It is fixed on armored concrete outer tube wall（1）Madial wall on, surface flat steel bar（10）With steel platform（8）It is welded together, surface flat steel bar（10）Lower end pass through steel bar grounding flat steel（14）With earthing pole（5）Link together.The utility model reduces the influence that the lightning surge of thunderbolt generation discharges internal steel platform.
Description
Technical field
The utility model is related to a kind of thermal power plant sleeve-type chimney, it is more particularly to a kind of armored concrete outer barrel with
The a set of lightning protection earthing system being independently arranged between interior steel cylinder, it is possible to decrease be struck by lightning the shadow produced to chimney inner facility and personnel
Ring.
Background technology
At present, the chimney of big-and-middle-sized coal-fired station, is largely the structural shape using sleeve-type chimney.Tradition
Sleeve-type chimney lightning protection be to share set of system, top is provided with anti-lightning and connects device, in armored concrete barrel, secretly
Lay and put Special lightning protection ground rebar as downlead, concealed wiring is equipped with horizontal grading ring in barrel, have steel inside, between outer barrel
Platform and steel ladder, these parts are connected by embedded part or reinforcing bar, form an electric path, are connect after being drawn on ground with outdoor
Ground device links together, and forms a set of lightning protection earthing system.Highly it is generally 200 meters or so, height in view of sleeve-type chimney
Higher, steel platform is to carry out vertical traffic connection by steel ladder between inside and outside cylinder, while setting lighting installation.When personnel enter
When row regular maintenance and maintenance, generally require to take several hours from ground to chimney top platform, thundery sky during which such as occur
Gas, because inner/outer tube shares a set of lightning protection earthing system, be struck by lightning the lightning surge produced, it is possible to which internal steel platform is discharged,
Cause the injury of maintainer and electric utility.
The content of the invention
The utility model provides a kind of sleeve-type chimney lightning protection earthing system, solves traditional sleeve-type chimney lightning protection
The technical problem that earthed system is not avoided that internal portion's steel platform electric discharge and causes personnel to come to harm.
The utility model is to solve above technical problem by the following technical programs：
A kind of sleeve-type chimney lightning protection earthing system, including armored concrete outer tube wall and steel inner cylinder, in armored concrete
Downlead is embedded with outer tube wall, steel platform is provided between armored concrete outer tube wall and steel inner cylinder, in armored concrete
Compartment of terrain is embedded with grading ring from top to bottom in outer tube wall, and grading ring links together with downlead, in armored concrete outer barrel
The top of wall is provided with lightning rod, and ground connection steel plate, ground connection steel plate and downlead are provided with the bottom of armored concrete outer tube wall
Lower end link together, the upper end of lightning rod and downlead links together, ground connection steel plate pass through grounding flat steel and earthing pole
Link together, surface flat steel bar is provided with the madial wall of armored concrete outer tube wall, surface flat steel bar is by plastics
Clip is fixed on the madial wall of armored concrete outer tube wall, and surface flat steel bar is welded together with steel platform,
The lower end of surface flat steel bar is linked together by steel bar grounding flat steel and earthing pole.
Surface flat steel bar is 10 degree with interval radian of the downlead in same level；In armored concrete outer tube wall
Lower end is respectively arranged with interior steel plate and outer steel plate, and split bolt is provided between interior steel plate and outer steel plate, surface flat steel bar
Lower end welds together with interior steel plate, and outer steel plate welds together with steel bar grounding flat steel.
The utility model adds a set of relatively independent surface ground connection system on the basis of traditional lightning protection downlead system
System, surface band steel is connected by insulated connecting piece with outer tube wall, and position staggers with the dark lightning protection reinforcing bar that applies, it is to avoid mutually
Connection.A set of relatively independent, the top-down electrical grounding system formed, reduces the lightning surge pair that thunderbolt is produced
The influence of internal steel platform electric discharge.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is partial enlarged drawing at A in Fig. 1；
Fig. 3 is the B-B direction sectional view in Fig. 1；
Fig. 4 is the structure that surface flat steel bar 10 is fixed on by plastics clip 9 on the madial wall of armored concrete outer tube wall 1
Schematic diagram.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings：
A kind of sleeve-type chimney lightning protection earthing system, including armored concrete outer tube wall 1 and steel inner cylinder 7, in reinforced concrete
Downlead 3 is embedded with native outer tube wall 1, steel platform 8 is provided between armored concrete outer tube wall 1 and steel inner cylinder 7, in reinforcing bar
Compartment of terrain is embedded with grading ring 4 from top to bottom in concrete outer tube wall 1, and grading ring 4 links together with downlead 3, in reinforcing bar
The top of concrete outer tube wall 1 is provided with lightning rod 6, and ground connection steel plate 5 is provided with the bottom of armored concrete outer tube wall 1, is connect
The lower end of ground steel plate 2 and downlead 3 links together, and the upper end of lightning rod 6 and downlead 3 links together, and ground connection steel plate 2 leads to
Cross grounding flat steel 15 to link together with earthing pole 5, surface flat steel bar is provided with the madial wall of armored concrete outer tube wall 1
10, surface flat steel bar 10 is fixed on by plastics clip 9 on the madial wall of armored concrete outer tube wall 1, surface flat steel bar
10 are welded together with steel platform 8, and the lower end of surface flat steel bar 10 is connected by steel bar grounding flat steel 14 with earthing pole 5
It is connected together.
Surface flat steel bar 10 is 10 degree with interval radian of the downlead 3 in same level；In armored concrete outer barrel
The lower end of wall 1 is respectively arranged with interior steel plate 11 and outer steel plate 12, and split bolt is provided between interior steel plate 11 and outer steel plate 12
13, the lower end of surface flat steel bar 10 welds together with interior steel plate 11, and outer steel plate 12 welds together with steel bar grounding flat steel 14.
The utility model is on the basis of traditional lightning protection earthing system way, to be additionally arranged a set of to chimney inside panel and electrical equipment
Special electrical grounding system, two systems are relatively independent, do not influence each other.
Claims (2)
1. a kind of sleeve-type chimney lightning protection earthing system, including armored concrete outer tube wall（1）And steel inner cylinder（7）, it is mixed in reinforcing bar
Solidifying soil outer tube wall（1）In be embedded with downlead（3）, in armored concrete outer tube wall（1）With steel inner cylinder（7）Between be provided with steel put down
Platform（8）, in armored concrete outer tube wall（1）Inside compartment of terrain is embedded with grading ring from top to bottom（4）, grading ring（4）With downlead
（3）Link together, in armored concrete outer tube wall（1）Top be provided with lightning rod（6）, in armored concrete outer tube wall
（1）Bottom be provided with ground connection steel plate（2）, it is grounded steel plate（2）With downlead（3）Lower end link together, lightning rod（6）With
Downlead（3）Upper end link together, be grounded steel plate（2）Pass through grounding flat steel（15）With earthing pole（5）Link together, its
It is characterised by, in armored concrete outer tube wall（1）Madial wall on be provided with surface flat steel bar（10）, surface flat steel bar（10）It is
Pass through plastics clip（9）It is fixed on armored concrete outer tube wall（1）Madial wall on, surface flat steel bar（10）With steel platform
（8）It is welded together, surface flat steel bar（10）Lower end pass through steel bar grounding flat steel（14）With earthing pole（5）Connection
Together.
2. a kind of sleeve-type chimney lightning protection earthing system according to claim 1, it is characterised in that surface flat steel bar（10）
With downlead（3）Interval radian in same level is 10 degree；In armored concrete outer tube wall（1）Lower end set respectively
There is interior steel plate（11）With outer steel plate（12）, in interior steel plate（11）With outer steel plate（12）Between be provided with split bolt（13）, surface
Flat steel bar（10）Lower end and interior steel plate（11）Weld together, outer steel plate（12）With steel bar grounding flat steel（14）It is welded on one
Rise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484768.1U CN206451848U (en) | 2016-12-31 | 2016-12-31 | Sleeve-type chimney lightning protection earthing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484768.1U CN206451848U (en) | 2016-12-31 | 2016-12-31 | Sleeve-type chimney lightning protection earthing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206451848U true CN206451848U (en) | 2017-08-29 |
Family
ID=59674017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621484768.1U Active CN206451848U (en) | 2016-12-31 | 2016-12-31 | Sleeve-type chimney lightning protection earthing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206451848U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620972A (en) * | 2017-09-15 | 2018-01-23 | 贵州大兴电力设备制造有限公司 | A kind of chimney lightning arrester with automatic ash removing function |
| CN113957990A (en) * | 2021-11-05 | 2022-01-21 | 中建一局集团建设发展有限公司 | Open field ultrahigh structure lightning protection system and node device |
-
2016
- 2016-12-31 CN CN201621484768.1U patent/CN206451848U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620972A (en) * | 2017-09-15 | 2018-01-23 | 贵州大兴电力设备制造有限公司 | A kind of chimney lightning arrester with automatic ash removing function |
| CN107620972B (en) * | 2017-09-15 | 2019-03-12 | 贵州大兴电力设备制造有限公司 | A kind of chimney lightning arrester with automatic ash removing function |
| CN113957990A (en) * | 2021-11-05 | 2022-01-21 | 中建一局集团建设发展有限公司 | Open field ultrahigh structure lightning protection system and node device |
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