CN102468629A - Electric piping and in-pipe threading installation method for benzene hydrogenation engineering - Google Patents
Electric piping and in-pipe threading installation method for benzene hydrogenation engineering Download PDFInfo
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- CN102468629A CN102468629A CN2010105476139A CN201010547613A CN102468629A CN 102468629 A CN102468629 A CN 102468629A CN 2010105476139 A CN2010105476139 A CN 2010105476139A CN 201010547613 A CN201010547613 A CN 201010547613A CN 102468629 A CN102468629 A CN 102468629A
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Abstract
The invention relates to an electric piping and in-pipe threading installation method for a benzene hydrogenation engineering, which is characterized by comprising the following steps of: a, paving closed conduits including a steel tube bending pipe, a cutting pipe and a mantle fiber, determining positions of a case and a box, fixing the case and the box, connecting pipelines, and matching crossing connection of a cast-in-place concrete piping and a grounded wire; b, paving open conduits and pipelines in a ceiling, including a pre-machined pipe bending, a bracket, a hanger frame, determining positions of the other case, the other box and a fixing point, fixing the bracket with the hanger frame, fixing the case and the box, paving and connecting pipelines, and carrying out crossing connection of the other grounded lead; and c, in-pipe threading, including a threading wire and a cleaning pipe, paying off the threading wire to be cut off, binding a lead, connecting the lead with a pipe opening with a protective opening, carrying out insulation swinging measurement on lines. The electric piping and in-pipe threading installation method for the benzene hydrogenation engineering, disclosed by the invention, has the advantages of simple installation operation, excellent electric performance and reduced engineering cost.
Description
Technical field
The present invention relates to a kind of electric pipe arrangement and threading in pipe installation method, specifically, is electric pipe arrangement of a kind of benzene hydrogenation engineering and threading in pipe installation method.
Background technology
The technology of benzene hydrogenation device is more special, its system complex, and equipment is many, and the pressure of system own, temperature are higher, and pumping unit does not allow idle running.The benzene hydrogenation engineering mainly is divided into the affiliated facility of central control room and electric substation, refining plant, water supply and sewage work, air compression station, storage and handling facility (tank field and pump house), the power supply of full factory and the illumination of full factory, torch and engineering; Lightning protection, fire prevention, explosion-proof specific (special) requirements are arranged in the electric installation of these facilities, and wherein to install be one of important step in the whole electrical system for electric pipe arrangement of benzene hydrogenation engineering and threading in pipe.At present domesticly built or installed and still be in the stage lack of standardization building electric pipe arrangement of benzene hydrogenation engineering and threading in pipe, existed much not science, irrational place, installation process is numerous and diverse, engineering cost is high.
Therefore known electric pipe arrangement of benzene hydrogenation engineering and threading in pipe are installed above-mentioned all inconvenience and the problem of existing.
Summary of the invention
The object of the invention is to propose a kind of safe and reliable electric pipe arrangement of benzene hydrogenation engineering and threading in pipe installation method.
For realizing above-mentioned purpose, technical solution of the present invention is:
Electric pipe arrangement of a kind of benzene hydrogenation engineering and threading in pipe installation method is characterized in that may further comprise the steps:
A, lay hidden pipe, comprise that steel pipe simmers pipe, Pipe Cutting and mantle fiber, measure the position of box, case, fixed bin, case, pipeline connects, and cooperates cast-in-place concrete pipe arrangement and ground cross;
B, lay pipeline in exposed conduit and the furred ceiling, comprise that prefabricated processing tube feeds curved, support, suspension bracket, confirm box, case and fixing point position, fixed support and suspension bracket, carton and crate is fixed, pipelining be connected and ground cross;
C, threading in pipe comprise and wear the band line, sweep pipe, unwrapping wire and broken string, and the lead colligation, mouth of pipe band protects mouth, and lead connects, and line insulation is shaken survey.
Electric pipe arrangement of benzene hydrogenation engineering of the present invention and threading in pipe installation method can also adopt following technical measures to come further to realize.
Aforesaid method, wherein said step a lays hidden pipe, and the clear distance of pipe from the surface of imbedding in wall or the concrete is not less than 15mm; Steel pipe is fed the curved cold method of feeding that adopts, and caliber is 20mm and pulls with hand when following and feed curved device; Caliber is 25mm and uses hydraulic pressure supply bobbin device when above; The pipe incision position is concordant not crooked, and the smooth no burr of scaler file.
Aforesaid method, wherein said step c threading in pipe, pipeline install terminal box additional when surpassing following length: do not have 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 locking nut, and the screw thread that exposes locking nut is 2～4 buttons, and pipeline is every firm with the binding strap colligation at a distance from lm.
Aforesaid method, wherein said cross-over connection ground wire and the welding of Φ 5mm round steel, cross-over connection ground wire two ends solder side is not less than 6 times of this wiring cross section, and even weld is firm, weld brush corrosion resistant coating.
Aforesaid method, wherein aforesaid method, wherein said cable tube ground connection or connecting to neutral, bright pipe arrangement must not melting welding cross-over connection earth connection, is copper core flexible conductor with line between two cards of special-purpose ground connection card cross-over connection, and sectional area is not less than 4mm
2
Aforesaid method, wherein said steel pipe are the galvanized welded pipes that low-pressure fluid is carried usefulness.
After adopting technique scheme, electric pipe arrangement of benzene hydrogenation engineering of the present invention and threading in pipe installation method have the following advantages:
1, fitting operation is simple;
2, electric property is excellent;
3, reduce engineering cost.
Embodiment
Below further specify the present invention through specific embodiment.
Embodiment 1
Electric pipe arrangement of benzene hydrogenation engineering of the present invention and threading in pipe installation method is characterized in that may further comprise the steps:
A, lay hidden pipe, comprise that steel pipe simmers pipe, Pipe Cutting and mantle fiber, measure the position of box, case, fixed bin, case, pipeline connects, and cooperates cast-in-place concrete pipe arrangement and ground cross; The clear distance of pipe from the surface of imbedding in wall or the concrete is not less than 15mm; Steel pipe is fed the curved cold method of feeding that adopts, and caliber is 20mm and pulls with hand when following and feed curved device; Caliber is 25mm and uses hydraulic pressure supply bobbin device when above; The pipe incision position is concordant not crooked, and the smooth no burr of scaler file.The clear distance of pipe from the surface of imbedding in wall or the concrete is not less than 15mm; Steel pipe is fed the curved cold method of feeding that adopts, and caliber is 20mm and pulls with hand when following and feed curved device; Caliber is 25mm and uses hydraulic pressure supply bobbin device when above; The pipe incision position is concordant not crooked, and the smooth no burr of scaler file.
B, lay pipeline in exposed conduit and the furred ceiling, comprise that prefabricated processing tube feeds curved, support, suspension bracket, confirm box, case and fixing point position, fixed support and suspension bracket, carton and crate is fixed, pipelining be connected and ground cross; Said cross-over connection ground wire and the welding of Φ 5mm round steel, cross-over connection ground wire two ends solder side is not less than 6 times of this wiring cross section, and even weld is firm, weld brush corrosion resistant coating.
C, threading in pipe comprise and wear the band line, sweep pipe, unwrapping wire and broken string, and the lead colligation, mouth of pipe band protects mouth, and lead connects, and line insulation is shaken survey.Pipeline installs terminal box additional when surpassing following length: do not have 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 locking nut, and the screw thread that exposes locking nut is 2～4 buttons, and pipeline is every firm with the binding strap colligation at a distance from lm.
Electric pipe arrangement of benzene hydrogenation engineering of the present invention and threading in pipe installation method also comprise said cable tube ground connection or connecting to neutral, and bright pipe arrangement must not melting welding cross-over connection earth connection, are copper core flexible conductor with line between two cards of special-purpose ground connection card cross-over connection, and sectional area is not less than 4mm
2Said steel pipe is the galvanized welded pipe that low-pressure fluid is carried usefulness.
Above embodiment only supplies to explain the present invention's usefulness, but not limitation of the present invention, the technical staff in relevant technologies field under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present invention, should be limited each claim.
Claims (6)
1. electric pipe arrangement of benzene hydrogenation engineering and threading in pipe installation method is characterized in that may further comprise the steps:
A, lay hidden pipe, comprise that steel pipe simmers pipe, Pipe Cutting and mantle fiber, measure the position of box, case, fixed bin, case, pipeline connects, and cooperates cast-in-place concrete pipe arrangement and ground cross;
B, lay pipeline in exposed conduit and the furred ceiling, comprise that prefabricated processing tube feeds curved, support, suspension bracket, confirm box, case and fixing point position, fixed support and suspension bracket, carton and crate is fixed, pipelining be connected and ground cross;
C, threading in pipe comprise and wear the band line, sweep pipe, unwrapping wire and broken string, and the lead colligation, mouth of pipe band protects mouth, and lead connects, and line insulation is shaken survey.
2. electric pipe arrangement of benzene hydrogenation engineering as claimed in claim 1 and threading in pipe installation method is characterized in that said step a lays hidden pipe, and the clear distance of pipe from the surface of imbedding in wall or the concrete is not less than 15mm; Steel pipe is fed the curved cold method of feeding that adopts, and caliber is 20mm and pulls with hand when following and feed curved device; Caliber is 25mm and uses hydraulic pressure supply bobbin device when above; The pipe incision position is concordant not crooked, and the smooth no burr of scaler file.
3. electric pipe arrangement of benzene hydrogenation engineering as claimed in claim 1 and threading in pipe installation method is characterized in that, said step c threading in pipe, pipeline install terminal box additional when surpassing following length: do not have 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 locking nut, and the screw thread that exposes locking nut is 2～4 buttons, and pipeline is every firm with the binding strap colligation at a distance from lm.
4. electric pipe arrangement of benzene hydrogenation engineering as claimed in claim 1 and threading in pipe installation method; It is characterized in that, said cross-over connection ground wire and the welding of Φ 5mm round steel, cross-over connection ground wire two ends solder side is not less than 6 times of this wiring cross section; Even weld is firm, weld brush corrosion resistant coating.
5. electric pipe arrangement of benzene hydrogenation engineering as claimed in claim 1 and threading in pipe installation method; It is characterized in that, said cable tube ground connection or connecting to neutral, bright pipe arrangement must not melting welding cross-over connection earth connection; With line between two cards of special-purpose ground connection card cross-over connection is copper core flexible conductor, and sectional area is not less than 4mm
2
6. electric pipe arrangement of benzene hydrogenation engineering as claimed in claim 1 and threading in pipe installation method is characterized in that, said steel pipe is the galvanized welded pipe that low-pressure fluid is carried usefulness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105476139A CN102468629A (en) | 2010-11-17 | 2010-11-17 | Electric piping and in-pipe threading installation method for benzene hydrogenation engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105476139A CN102468629A (en) | 2010-11-17 | 2010-11-17 | Electric piping and in-pipe threading installation method for benzene hydrogenation engineering |
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| CN102468629A true CN102468629A (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105476139A Pending CN102468629A (en) | 2010-11-17 | 2010-11-17 | Electric piping and in-pipe threading installation method for benzene hydrogenation engineering |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104882835A (en) * | 2015-06-15 | 2015-09-02 | 杭州圣都装饰设计工程有限公司 | Circuit line pipe installation technology of multi-line separation type |
| CN105071302A (en) * | 2015-07-15 | 2015-11-18 | 中国十七冶集团有限公司 | Junction box concealed burying accurate positioning method |
| CN107769130A (en) * | 2016-09-06 | 2018-03-06 | 北京新创迪克系统集成技术有限公司 | A kind of laying method of the zinc-plated thin wall steel conduit of tightening formula |
| CN109921339A (en) * | 2019-04-01 | 2019-06-21 | 山东浩岳建设工程有限公司 | A kind of flexible metal pipeline wiring construction |
| CN111525427A (en) * | 2020-04-23 | 2020-08-11 | 芜湖市卓亚电气有限公司 | Electric piping and in-pipe threading construction method in power distribution cabinet installation construction process |
| CN112054434A (en) * | 2020-08-05 | 2020-12-08 | 业之峰诺华家居装饰集团股份有限公司 | Reinforced threading pipe wiring process |
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| 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 |
| DE102008006917A1 (en) * | 2008-01-24 | 2009-07-30 | Obo Bettermann Gmbh & Co. Kg | Cable channel position adjustment device for use in building, has clamp whose side pieces are provided with openings that engage with part of jamb in thread pitch of screw jack that is guided via openings, under spring force |
| CN101760206A (en) * | 2008-11-25 | 2010-06-30 | 中冶成工上海五冶建设有限公司 | Method for installing coke dry quenching electric distribution pipes and penetrating leads through electric distribution pipes |
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2010
- 2010-11-17 CN CN2010105476139A patent/CN102468629A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| DE102008006917A1 (en) * | 2008-01-24 | 2009-07-30 | Obo Bettermann Gmbh & Co. Kg | Cable channel position adjustment device for use in building, has clamp whose side pieces are provided with openings that engage with part of jamb in thread pitch of screw jack that is guided via openings, under spring force |
| CN101760206A (en) * | 2008-11-25 | 2010-06-30 | 中冶成工上海五冶建设有限公司 | Method for installing coke dry quenching electric distribution pipes and penetrating leads through electric distribution pipes |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104882835A (en) * | 2015-06-15 | 2015-09-02 | 杭州圣都装饰设计工程有限公司 | Circuit line pipe installation technology of multi-line separation type |
| CN105071302A (en) * | 2015-07-15 | 2015-11-18 | 中国十七冶集团有限公司 | Junction box concealed burying accurate positioning method |
| CN107769130A (en) * | 2016-09-06 | 2018-03-06 | 北京新创迪克系统集成技术有限公司 | A kind of laying method of the zinc-plated thin wall steel conduit of tightening formula |
| CN109921339A (en) * | 2019-04-01 | 2019-06-21 | 山东浩岳建设工程有限公司 | A kind of flexible metal pipeline wiring construction |
| CN111525427A (en) * | 2020-04-23 | 2020-08-11 | 芜湖市卓亚电气有限公司 | Electric piping and in-pipe threading construction method in power distribution cabinet installation construction process |
| CN112054434A (en) * | 2020-08-05 | 2020-12-08 | 业之峰诺华家居装饰集团股份有限公司 | Reinforced threading pipe wiring process |
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Application publication date: 20120523 |