CN101760206B - Method for installing coke dry quenching electric distribution pipes and penetrating leads through electric distribution pipes - Google Patents
Method for installing coke dry quenching electric distribution pipes and penetrating leads through electric distribution pipes Download PDFInfo
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- CN101760206B CN101760206B CN 200810203341 CN200810203341A CN101760206B CN 101760206 B CN101760206 B CN 101760206B CN 200810203341 CN200810203341 CN 200810203341 CN 200810203341 A CN200810203341 A CN 200810203341A CN 101760206 B CN101760206 B CN 101760206B
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Abstract
The invention relates to a method for installing coke dry quenching electric distribution pipes and penetrating leads through the electric distribution pipes, belonging to the field of the metallurgical electrical equipment installation. The method for installing the coke dry quenching electric distribution pipes and penetrating leads through the electric distribution pipes comprises the following steps: laying hidden steel pipes, laying exposed steel pipes and ceiling inner steel pipes, penetrating leads through the steel pipes, and grounding the steel pipes. The method for installing the coke dry quenching electric distribution pipes and penetrating leads through the electric distribution pipes is characterized in that in the step of laying the hidden steel pipes, the steel pipes are heated, the steel pipes are cut, the steel pipes are threaded, the positions of a case and a box are tested, the case and the box are fixed, the steel pipes are connected, the steel pipes are distributed to the cast-in-place concrete, and ground leads are connected in a bridging way; in the step of laying the exposed steel pipes and the ceiling inner steel pipes, the preprocessed exposed steel pipes and the preprocessed ceiling inner steel pipes are heated and bent, a support and a hanging bracket are installed, the case, the box and the case and the box fixing positions are determined, the support and the hanging bracket are fixed, the case and the box are fixed, the exposed steel pipes and the ceiling inner steel pipes are connected, and ground leads are connected in a bridging way; and in the step of penetrating leads through the electric distribution pipes, the strip leads are penetrated through the electric distribution pipes, the electric distribution pipes are cleaned, the leads are set out, cut and binded, the openings of the electric distribution pipes are protected, the leads are connected, and the insulation of the leads is controlled remotely.
Description
Technical field
The present invention relates to metallurgical electric installing area, be specially a kind of dry coke quenching electric piping and threading in pipe installation method.
Background technology
Dry quenching(of coke) is a smelting power-saving technology that newly is born in the world at present, and its English name is Coke Dry Quenching, is called for short CDQ.Dry coke quenching is to be thermal barrier with circulated inert gas, discharges below by recirculation blower cold recycle gas being inputted red burnt cooling room cooling down high-temperature coke to 250 ℃.Cycling hot conductance behind the absorption coke heat enters waste heat boiler and reclaims heat, produces steam.After recycle gas cooling, the dedusting, return cooling room through blower fan again, so red Jiao of circulating cooling.The steam that coke dry quenching boiler produces or incorporate factory's internal steam pipe net into or send to generating.Dry Quenching Technology is great Energy-saving Projects, owing in closed system, finishing the quenching process, compares with common coke wet quenching, but basically eliminate phenol, HCN, H
2S, NH
3Discharging, reduce the discharging of burnt dirt, and save the quenching water.The dry coke quenching engineering comprises these several parts of coke dry quenching body, boiler, deaerated feedwater station, dry coke quenching dedusting, power generation system, circulating pump room, operation room and watch-keeping cubicle, wherein electric piping and threading in pipe are the important rings in the power generation system, because Dry Quenching Technology belongs to emerging field, only there are several enterprises of very few several family in the unit of domestic this method of employing, installation for dry coke quenching equipment also is in the stage of fumbling, exist much not science, irrational place, installation process is complicated.
Summary of the invention
In order to overcome the defective of prior art, a kind of safe and reliable installation of electrical equipment method is provided, the invention discloses a kind of dry coke quenching electric piping and threading in pipe installation method.
The present invention reaches goal of the invention by following technical solution:
A kind of dry coke quenching electric piping and threading in pipe installation method comprise that hidden pipe lays, pipeline laying in exposed conduit, the furred ceiling, and threading in pipe, the ground connection step, step is:
Hidden pipe lays by steel pipe simmers pipe, Pipe Cutting and mantle fiber, measures box, case position, Setup Box, case, and pipeline connects, and cooperates the onsite concrete pipe arrangement, the ground cross step;
Pipeline laying comprises prefabricated processing tube simmering and bending, support, suspension bracket in the exposed conduit, furred ceiling, determines box, case and point of fixity position, and support, suspension bracket are fixed, and carton and crate is fixed, pipeline installation be connected the ground cross step;
Threading in pipe comprises the threading line, sweeps pipe, unwrapping wire and broken string, and conducting wire binding, mouth of pipe band protects mouth, and wire connects, and line insulation is shaken the survey step.
Described dry coke quenching electric piping and threading in pipe installation method, step is: when hidden pipe laid, the pipe of imbedding in wall or the concrete was not less than 15mm from the clear distance on surface; Cold stewing method is adopted in the steel pipe simmering and bending, and caliber is 20mm and pulls bending device with hand when following; Caliber is 25mm and uses when above hydraulic pressure to simmer the pipe device.The pipe incision position is concordant not crooked, and scaler file Glabrous thorn;
Described dry coke quenching electric piping and threading in pipe installation method, step is: during threading in pipe, pipeline installs terminal box additional when surpassing following length: 30m when curved; 20m when curved is arranged; Two 15m when curved are arranged; Three 8m when curved are arranged; The mouth of pipe exposes box, case less than 5mm, and flat with set nut, and the screw thread that exposes set nut is 2～4 buttons, and pipeline is firm with the binding strap colligation every 1m.
Described dry coke quenching electric piping and threading in pipe installation method, step is: during ground connection, with Φ 5mm round steel and cross-over connection ground wire bonding, cross-over connection ground wire two ends face of weld is not less than 6 times of this wiring cross section, and even weld is firm, weld brush antifouling paste.
The present invention passes through safely and reliably mounting electrical equipment, adopts the transformer of method lifting dry coke quenching of the present invention, and is simple to operate, safe and reliable.
Embodiment
Below further specify the present invention by specific embodiment.
Embodiment 1
A kind of dry coke quenching electric piping and threading in pipe installation method comprise that hidden pipe lays, pipeline laying in exposed conduit, the furred ceiling, and threading in pipe, the ground connection step, concrete steps are:
Hidden pipe lays by steel pipe simmers pipe, Pipe Cutting and mantle fiber, measures box, case position, Setup Box, case, and pipeline connects, and cooperates the onsite concrete pipe arrangement, the ground cross step;
Pipeline laying comprises prefabricated processing tube simmering and bending, support, suspension bracket in the exposed conduit, furred ceiling, determines box, case and point of fixity position, and support, suspension bracket are fixed, and carton and crate is fixed, pipeline installation be connected the ground cross step;
Threading in pipe comprises the threading line, sweeps pipe, unwrapping wire and broken string, and conducting wire binding, mouth of pipe band protects mouth, and wire connects, and line insulation is shaken the survey step.
When hidden pipe laid, the pipe of imbedding in wall or the concrete was not less than 15mm from the clear distance on surface; Cold stewing method is adopted in the steel pipe simmering and bending, and caliber is 20mm and pulls bending device with hand when following; Caliber is 25mm and uses when above hydraulic pressure to simmer the pipe device.The pipe incision position is concordant not crooked, and scaler file Glabrous thorn;
During threading in pipe, pipeline installs terminal box additional when surpassing following length: 30m when curved; 20m when curved is arranged; Two 15m when curved are arranged; Three 8m when curved are arranged; The mouth of pipe exposes box, case less than 5mm, and flat with set nut, and the screw thread that exposes set nut is 2～4 buttons, and pipeline is firm with the binding strap colligation every 1m.
During ground connection, with Φ 5mm round steel and cross-over connection ground wire bonding, cross-over connection ground wire two ends face of weld is not less than 6 times of this wiring cross section, and even weld is firm, weld brush antifouling paste.
Claims (1)
1. a dry coke quenching electric piping and threading in pipe installation method comprise that hidden pipe lays, pipeline laying in exposed conduit, the furred ceiling, and threading in pipe, the ground connection step is characterized in that:
Hidden pipe lays by steel pipe simmers pipe, Pipe Cutting and mantle fiber, measures box, case position, Setup Box, case, and pipeline connects, and cooperates the onsite concrete pipe arrangement, the ground cross step;
Pipeline laying comprises prefabricated processing tube simmering and bending, support, suspension bracket in the exposed conduit, furred ceiling, determines box, case and point of fixity position, and support, suspension bracket are fixed, and carton and crate is fixed, pipeline installation be connected the ground cross step;
Threading in pipe comprises the threading line, sweeps pipe, unwrapping wire and broken string, and conducting wire binding, mouth of pipe band protects mouth, and wire connects, and line insulation is shaken the survey step;
When hidden pipe laid, the pipe of imbedding in wall or the concrete was not less than 15mm from the clear distance on surface; Cold stewing method is adopted in the steel pipe simmering and bending, and caliber is 20mm and pulls bending device with hand when following; Caliber is 25mm and uses when above hydraulic pressure to simmer the pipe device, and the pipe incision position is concordant not crooked, and scaler file Glabrous thorn;
During threading in pipe, pipeline installs terminal box additional when surpassing following length: 30m when curved; 20m when curved is arranged; Two 15m when curved are arranged; Three 8m when curved are arranged; The mouth of pipe exposes box, case less than 5mm, and flat with set nut, and the screw thread that exposes set nut is 2～4 buttons, and pipeline is firm with the binding strap colligation every 1m;
During ground connection, with Φ 5mm round steel and cross-over connection ground wire bonding, cross-over connection ground wire two ends face of weld is not less than 6 times of this wiring cross section, and even weld is firm, weld brush antifouling paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810203341 CN101760206B (en) | 2008-11-25 | 2008-11-25 | Method for installing coke dry quenching electric distribution pipes and penetrating leads through electric distribution pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810203341 CN101760206B (en) | 2008-11-25 | 2008-11-25 | Method for installing coke dry quenching electric distribution pipes and penetrating leads through electric distribution pipes |
Publications (2)
| Publication Number | Publication Date |
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| CN101760206A CN101760206A (en) | 2010-06-30 |
| CN101760206B true CN101760206B (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200810203341 Active CN101760206B (en) | 2008-11-25 | 2008-11-25 | Method for installing coke dry quenching electric distribution pipes and penetrating leads through electric distribution pipes |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468629A (en) * | 2010-11-17 | 2012-05-23 | 五冶集团上海有限公司 | Electric piping and in-pipe threading installation method for benzene hydrogenation engineering |
| CN104242191B (en) * | 2013-06-20 | 2016-08-10 | 五冶集团上海有限公司 | Benzene hydrogenation engineering gauge pipe wire routing method |
| CN104701785A (en) * | 2015-03-17 | 2015-06-10 | 中国建筑装饰集团有限公司 | Construction method for in-pipe threading of electrical system installation engineering |
| CN106356771A (en) * | 2015-07-17 | 2017-01-25 | 上海宝冶集团有限公司 | Threading-free hard pipeline connection method |
| CN111817210B (en) * | 2020-06-13 | 2021-08-13 | 中外建安装有限公司 | Electric wire pipe laying process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101114760A (en) * | 2006-07-27 | 2008-01-30 | 北京阔达建筑装饰工程有限责任公司 | Family fitment engineering circuit improvement single-tube single-wire system construction material and method |
| CN101188352A (en) * | 2007-08-22 | 2008-05-28 | 蔡浦西 | Indoor electric pipe laying method and structure, and the building with the structure |
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2008
- 2008-11-25 CN CN 200810203341 patent/CN101760206B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101114760A (en) * | 2006-07-27 | 2008-01-30 | 北京阔达建筑装饰工程有限责任公司 | Family fitment engineering circuit improvement single-tube single-wire system construction material and method |
| CN101188352A (en) * | 2007-08-22 | 2008-05-28 | 蔡浦西 | Indoor electric pipe laying method and structure, and the building with the structure |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-350541A 2005.12.22 |
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| CN101760206A (en) | 2010-06-30 |
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