CN205713285U - A kind of roof insulating installed for extremely frigid zones spy/EHV transformer - Google Patents
A kind of roof insulating installed for extremely frigid zones spy/EHV transformer Download PDFInfo
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- CN205713285U CN205713285U CN201620313766.XU CN201620313766U CN205713285U CN 205713285 U CN205713285 U CN 205713285U CN 201620313766 U CN201620313766 U CN 201620313766U CN 205713285 U CN205713285 U CN 205713285U
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- 238000009413 insulation Methods 0.000 claims abstract description 137
- 230000002265 prevention Effects 0.000 claims abstract description 116
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical group [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- 239000011490 mineral wool Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 25
- 238000009434 installation Methods 0.000 abstract description 11
- 239000010410 layer Substances 0.000 description 26
- 230000000694 effects Effects 0.000 description 18
- 230000017525 heat dissipation Effects 0.000 description 17
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000012546 transfer Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000011900 installation process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000012774 insulation material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- -1 phenolic aldehyde Chemical class 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
This utility model discloses a kind of roof insulating installed for extremely frigid zones spy/EHV transformer, relate to extremely frigid zones power equipment mounting technique field, with reduce extremely frigid zones winter spy/EHV transformer is installed time, the thermal loss of caused insulating oil and the generation of dangerous accident.This includes the enclosure wall for being located on installed surface, and enclosure wall offers access way；Enclosure wall includes that heat-insulation unit and the fire prevention unit being connected with heat-insulation unit, the top of heat-insulation unit and the top of fire prevention unit are equipped with top.The roof insulating for extremely frigid zones spy/EHV transformer installation that this utility model provides is for extremely frigid zones power equipment mounting technique field.
Description
Technical field
This utility model relates to extremely frigid zones power equipment mounting technique field, particularly relates to a kind of roof insulating installed for extremely frigid zones spy/EHV transformer.
Background technology
In recent years, along with the aggravation of environmental pollution, it is more and more that haze weather occurs, has badly influenced the orthobiosis of people.In order to prevent and treat haze, country proposes transregional power transmission and administers the plan of haze, and transregional power transmission is a kind of remote power transmission, needs to use the power delivery modes such as extra-high voltage, and this has welcome huge development opportunity for extra-high voltage project.
In general, the community energy such as Inner Mongolia Autonomous Region, Heilungkiang, Jilin, Xinjiang is abundanter, carries forward vigorously extra-high voltage grid construction in these areas, can be that transregional power transmission plays an important role.And spy/EHV transformer set-up time that these areas are in severe cold areas, and ultra-high voltage transformer station process of construction is across whole winter；Therefore, ultra-high voltage transformer station process of construction except needs face original technical barrier, it is necessary to when meeting winter construction, be in the spy/EHV transformer requirement for ambient temperature of high and cold low temp area.
Such as: in spy/EHV transformer installation process, the insulating oil demand in spy/EHV transformer is big, index request is high, and the Circulation and Hot Oil Spray temperature of insulating oil must reach 65 ± 5 DEG C, could normal mounting；But, extremely frigid zones winter outdoor environment temperature generally below-20 DEG C, so outdoor environment temperature in winter of extremely frigid zones has just reached more than 80 DEG C with the temperature difference of the Circulation and Hot Oil Spray temperature of above-mentioned insulating oil, make the serious heat loss of insulating oil, thus have impact on the installation of spy/EHV transformer and stablizing of follow-up operation, and, insulating oil is combustibles, if not focusing on fire prevention, it is particularly easy to dangerous accident.
It addition, during extremely frigid zones carries out spy/EHV transformer installation, the metal shell heat conduction of extra-high voltage Cubicle Gas-Insulated Switchgear (also known as extra-high voltage GIS) is fast, be difficult to insulation.Therefore, for these problems, need to propose a kind of attemperator simultaneously meeting spy/EHV transformer and extra-high voltage GIS, just can ensure that being smoothed out of spy under cryogenic conditions/EHV transformer installation.
But, although more existing national standards and company standard are installed for electrical equipment, test has carried out corresponding regulation, but not about the regulation of the temperature requirements problem in spy/EHV transformer installation process.
Utility model content
The purpose of this utility model is to provide a kind of roof insulating installed for extremely frigid zones spy/EHV transformer, with reduce extremely frigid zones winter spy/EHV transformer is installed time, the thermal loss of insulating oil and the generation of dangerous accident in caused spy/EHV transformer.
To achieve these goals, the following technical scheme of this utility model offer:
A kind of roof insulating installed for extremely frigid zones spy/EHV transformer, including the enclosure wall for being located on installed surface, described enclosure wall offers access way；Described enclosure wall includes that heat-insulation unit and the fire prevention unit being connected with heat-insulation unit, the top of described heat-insulation unit and the top of fire prevention unit are equipped with top.
Preferably, described heat-insulation unit includes the first insulation barricade portion and the second insulation barricade portion, and described fire prevention unit includes the first fire prevention barricade portion and the second fire prevention barricade portion；Wherein,
The side in described first insulation barricade portion is connected with the side in the first fire prevention barricade portion, the opposite side in described first fire prevention barricade portion is connected with the side in described second insulation barricade portion, the opposite side in described second insulation barricade portion is connected with the side in described second fire prevention barricade portion, and the opposite side in described second fire prevention barricade portion is connected with the opposite side in described first insulation barricade portion.
It is also preferred that the left described first insulation barricade portion and the second insulation barricade portion be arranged in parallel, described first fire prevention barricade portion and the second fire prevention barricade portion be arranged in parallel.
It is also preferred that the left described first insulation barricade portion includes that the first left column and the first right column, described first left column and the first right column are connected by multilamellar the first framework, dismountable on every layer of first framework it is provided with the first heat-insulating sandwich board；Wherein, described first left column is detachably connected near the side of the first left column with described first fire prevention barricade portion, and described first right column is detachably connected near the side of the first right column with described second fire prevention barricade portion；
Described second insulation barricade portion includes the second left column and the second right column, described second left column and the second right column are connected by multilamellar the second framework, dismountable on every layer of second framework it is provided with the second heat-insulating sandwich board, wherein, described second left column is detachably connected near the side of the second left column with described first fire prevention barricade portion, and described second right column is detachably connected near the side of the second right column with described second fire prevention barricade portion.
Further, described heat-insulating sandwich board is phenol formaldehyde foam heat-insulating sandwich board, rock wool heat-preservation filled board or bubble polyurethane heat-insulation filled board.
Preferably, it is provided with heater in the space that described enclosure wall is surrounded, described access way is located in described heat-insulation unit, and described top is provided with the multiple sleeve pipe installing holes for stretching to outdoor for the sleeve pipe of spy/EHV transformer, and each described sleeve pipe installing hole is provided with muff.
Preferably, described top connecting and has many stay cords, one end of every stay cord is connected with top, the other end as free end be fixed on described installed surface and be positioned at outside enclosure wall area defined.
This utility model additionally provides the building method of the roof insulating that the extremely frigid zones spy described in a kind of technique scheme/EHV transformer is installed, including:
Heat-insulation unit and fire prevention unit are being installed, are making heat-insulation unit and fire prevention unit form enclosure wall；
At the top of heat-insulation unit and the top of fire prevention unit, top is set.
Preferably, after the top of described heat-insulation unit and the top of fire prevention unit arrange top, one end of stay cord is connected on top, after the other end provides tension force by euphroe to top, is fixed on described installed surface and is positioned at outside enclosure wall area defined.
Preferably, the heat-insulation unit in described roof insulating includes the first insulation barricade portion and the second insulation barricade portion, and described fire prevention unit includes the first fire prevention barricade portion and the second fire prevention barricade portion；
The side in described first insulation barricade portion is connected with the side in the first fire prevention barricade portion, the opposite side in described first fire prevention barricade portion is connected with the side in described second insulation barricade portion, the opposite side in described second insulation barricade portion is connected with the side in described second fire prevention barricade portion, and the opposite side in described second fire prevention barricade portion is connected with the opposite side in described first insulation barricade portion；
Described first insulation barricade portion includes that the first left column and the first right column, described first left column and the first right column are connected by multilamellar the first framework, dismountable on every layer of first framework is provided with the first heat-insulating sandwich board；Wherein, described first left column is detachably connected near the side of the first left column with described first fire prevention barricade portion, and described first right column is detachably connected near the side of the first right column with described second fire prevention barricade portion；
Described second insulation barricade portion includes the second left column and the second right column, described second left column and the second right column are connected by multilamellar the second framework, dismountable on every layer of second framework it is provided with the second heat-insulating sandwich board, wherein, described second left column is detachably connected near the side of the second left column with described first fire prevention barricade portion, and described second right column is detachably connected near the side of the second right column with described second fire prevention barricade portion；
Installing heat-insulation unit and fire prevention unit, the method making heat-insulation unit and fire prevention unit form enclosure wall is:
Installed surface is respectively mounted the first left column, the first right column, the second left column and the second right column；
The multilamellar that removably connects between the first left column and the first right column the first framework, removably connect on every layer of first framework the first heat-insulating sandwich board, obtains the first insulation barricade portion；
The multilamellar that removably connects between the second left column and the second right column the second framework, removably connect on every layer of second framework the second insulation sandwich board, obtains the second insulation barricade portion；
Installed surface is installed the first fire prevention barricade portion, the side in the first fire prevention barricade portion is removably connected with the first left column, opposite side and second left column in the first fire prevention barricade portion are removably connected；
Installed surface is installed the second fire prevention barricade portion, the side in the second fire prevention barricade portion is removably connected with the first right column, opposite side and second right column in the second fire prevention barricade portion are removably connected, obtains enclosure wall.
Compared with prior art, having the beneficial effects that of the roof insulating for extremely frigid zones spy/EHV transformer installation that this utility model provides:
This utility model provide in the roof insulating that extremely frigid zones spy/EHV transformer installs, owing to enclosure wall includes heat-insulation unit, spy/EHV transformer can be in thermal environment when installing, thus decrease the heat radiation of the insulating oil in the metal shell thermal loss of extra-high voltage GIS and spy/EHV transformer；Additionally, fire prevention unit is also included due to enclosure wall, if the outside breaking out of fire of roof insulating, burning things which may cause a fire disaster can be isolated by fire prevention unit, if and install spy/EHV transformer time, if insulating oil accidental ignition, fire spreading can be prevented by fire prevention unit, it is ensured that spy/EHV transformer installation process does not occur security incident.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes a part of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
The structural representation of the roof insulating installed for extremely frigid zones spy/EHV transformer that Fig. 1 provides for this utility model embodiment；
Fig. 2 is the structural representation of insulated wall stopper in this utility model embodiment；
Fig. 3 is the position view of enclosure wall various piece in this utility model embodiment；
The schematic top plan view of the roof insulating installed for extremely frigid zones spy/EHV transformer that Fig. 4 provides for this utility model embodiment；
Fig. 5 is the side view of top in this utility model embodiment；
The control flow chart of the roof insulating temperature-controlled process installed for extremely frigid zones spy/EHV transformer that Fig. 6 provides for this utility model embodiment；
Reference:
1-enclosure wall, 101-the first framework；
102-the second framework, 103-the 3rd framework；
11-left column, 12-right column；
111 first insulation barricade portions, 112-second is incubated barricade portion；
121-first prevents fires barricade portion, and 122-second prevents fires barricade portion；
2-top, 20-stay cord；
200-muff, 211-first fixes top；
212-second fixes top, and 213-the 3rd fixes top；
221-the first sunroof, 222-the second sunroof；
3-spy/EHV transformer, 31-sleeve pipe；
4-heater, 41-primary heater；
42-secondary heater, 43-the 3rd heater.
Detailed description of the invention
In order to further illustrate the roof insulating installed for extremely frigid zones spy/EHV transformer and the building method thereof that this utility model embodiment provides, it is described in detail below in conjunction with Figure of description.
Referring to Fig. 1, the roof insulating for extremely frigid zones spy/EHV transformer installation that this utility model embodiment provides includes: include the enclosure wall 1 for being located on installed surface, enclosure wall 1 offers access way；Enclosure wall includes that heat-insulation unit and the fire prevention unit being connected with heat-insulation unit, the top of heat-insulation unit and the top of fire prevention unit are equipped with top 2.
When building roof insulating, installed surface is respectively mounted heat-insulation unit and fire prevention unit, makes heat-insulation unit and fire prevention unit form enclosure wall 1；
At the top of heat-insulation unit and the top of fire prevention unit, top 2 is set.
When using roof insulating, by access way each assembly of spy/EHV transformer 3 transported in roof insulating and install.
By above-mentioned concrete build process and the process of use, this utility model embodiment provide in the roof insulating that extremely frigid zones spy/EHV transformer installs, owing to enclosure wall 1 includes heat-insulation unit, spy/EHV transformer can be in thermal environment when installing, thus decrease the heat radiation of the insulating oil in the metal shell thermal loss of extra-high voltage GIS and spy/EHV transformer；Additionally, owing to enclosure wall 1 also includes fire prevention unit, if the outside breaking out of fire of roof insulating, burning things which may cause a fire disaster can be isolated by fire prevention unit, if and install spy/EHV transformer time, if insulating oil accidental ignition, fire spreading can be prevented by fire prevention unit, it is ensured that spy/EHV transformer installation process does not occur security incident.
It should be noted that, access way in above-described embodiment both may be provided in heat-insulation unit, may be alternatively provided on fire prevention unit, and owing to fire prevention unit is to prevent fire spreading and insulating oil from because of outside ignition point, the purpose of fire and explosive risks occurring, therefore, in general, fire prevention unit will not start access way, it is to avoid the fire-proof function of fire prevention unit realizes；So, access way is preferably located in heat-insulation unit.
And the concrete structure of heat-insulation unit in above-described embodiment and fire prevention unit is a lot, typically it is steel frame construction, for apparent explanation heat-insulation unit and the structure of fire prevention unit, provides the concrete structure of heat-insulation unit and fire prevention unit below in conjunction with Fig. 3.
Referring to Fig. 3, heat-insulation unit includes the first insulation barricade portion 111 and the second insulation barricade portion 112, and fire prevention unit includes the first fire prevention barricade portion 121 and the second fire prevention barricade portion 122；Wherein,
The side in the first insulation barricade portion 111 is connected with the side in the first fire prevention barricade portion 121, the opposite side in the first fire prevention barricade portion 121 and the side in the second insulation barricade portion 112 are connected, the opposite side in the second insulation barricade portion 112 and the side in the second fire prevention barricade portion 122 are connected, and the opposite side in the second fire prevention barricade portion 122 and the opposite side in the first insulation barricade portion 111 are connected.
It should be noted that, in general, the structure of enclosure wall mostly is the regular shape such as rectangle or prismatic, with the structure of enclosure wall 1 as rectangle or as a example by prismatic, the first insulation barricade portion 111 and the second insulation barricade portion 112 in said structure be arranged in parallel, first fire prevention barricade portion 121 and the second fire prevention barricade portion 122 be arranged in parallel, and this set is so that the enclosure wall that heat-insulation unit and fire prevention unit are constituted presents the structure of the rule such as rectangle or rhombus.
Refer to Fig. 2, and in order to improve heat insulation effect, the structure in the first insulation barricade portion 111 in above-described embodiment and the second insulation barricade portion 112 can also be improved, it should be noted that, for the ease of building roof insulating, ensureing the heat insulation effect uniformity of roof insulating, the first insulation barricade portion 111 that can limit is identical with the structure in the second insulation barricade portion 112
Below in conjunction with Fig. 2, the first insulation barricade portion 111 and structure in the second insulation barricade portion 112 is described.
The structure in the first insulation barricade portion 111 and the second insulation barricade portion 112 all includes left column 11 and right column 12, and left column 11 is connected by multistory frame with right column 12, dismountable on every layer of framework is provided with heat-insulating sandwich board；Wherein, left column 11 is detachably connected near the side of left column 11 with one of them fire prevention barricade portion, and right column 12 is detachably connected near the side of right column 12 with another fire prevention barricade portion.It addition, the number of plies of the framework in above-described embodiment sets according to the actual needs, not limiting, the framework that Fig. 3 is given includes three layers, and the short transverse along roof insulating is sequentially arranged, the respectively first framework the 101, second framework 102 and the 3rd framework 103.Can be selected for H profile steel as framework to make, when framework is provided with heat-insulating sandwich board, it is required that the thickness of the thickness of heat-insulating sandwich board and H profile steel matches, so that the surface ratio that the first insulation barricade portion 111 and first is incubated barricade portion 112 is more smooth.
And in order to reach general, be easy to repeat the purpose of dismounting, when selecting H profile steel to make, all parts of framework is connected by the removably such as bolt, buckle so that framework can arbitrarily dismount；And, heat-insulating sandwich board is located on framework the most removably, left column 11 is connected near the side of left column 11 removably with one of them fire prevention barricade portion and right column 12 is prevented fires with another, and barricade portion is connected removably near the side of right column 12, these removablies are in implementation process, the removable connector selected can be that common bolt connects, can also be connected together, as for using which kind of clamping part, then it is to select according to actual needs.It addition, for the heat insulation function ensureing heat-insulating sandwich board, it is preferred that insulation sandwich board is connected on framework.
It should be noted that the heat-insulating sandwich board in above-described embodiment may select phenol formaldehyde foam heat-insulating sandwich board, rock wool heat-preservation filled board or bubble polyurethane heat-insulation filled board etc., but it is not limited only to this；Preferably, the heat-insulating sandwich board in above-described embodiment can also be phenol formaldehyde foam heat-insulating sandwich board, this is because phenolic materials heat insulation effect for other materials is relatively good so that the heat insulation effect of foam thermal insulation filled board relatively good.Furthermore, it is contemplated that the heat insulation effect of roof insulating, the skeleton of the heat-insulating sandwich board in above-described embodiment preferably heat conductivility is not good hard skeleton, thus can play, while ensureing heat-insulating sandwich board intensity, the effect improving heat insulation effect.
In order to apparent explanation first is incubated barricade portion 111 and the structure in the second insulation barricade portion 112, separately below the structure in the first insulation barricade portion 111 and the second insulation barricade portion 112 is illustrated.
The first insulation barricade portion 111 in above-described embodiment includes that the first left column and the first right column, the first left column and the first right column are connected by multilamellar the first framework, dismountable on every layer of first framework is provided with；Wherein, the first left column is detachably connected near the side of the first left column with described first fire prevention barricade portion, and the first right column is detachably connected near the side of the first right column with described second fire prevention barricade portion；
And the second insulation barricade portion 112 includes the second left column and the second right column, second left column and the second right column are connected by multilamellar the second framework, dismountable on every layer of second framework it is provided with the second heat-insulating sandwich board, wherein, second left column is detachably connected near the side of the second left column with described first fire prevention barricade portion, and the second right column is detachably connected near the side of the second right column with described second fire prevention barricade portion.
Refer to Fig. 4, and the top of above-described embodiment may also begin to the multiple sleeve pipe installing holes for stretching to outdoor for the sleeve pipe 31 of spy/EHV transformer 3, refer to Fig. 5, each sleeve pipe installing hole is provided with insulation 200, in order to when installing the sleeve pipe of spy/EHV transformer 3, with muff 200 to the gap between sleeve pipe installing hole and sleeve pipe, to avoid blowing, the weather conditions such as sleet time leak out, the factors such as sleet, the problem that the roof insulating internal temperature caused reduces.And the number of sleeve pipe installing hole, it is then to determine according to the number needing sleeve pipe 31 to be mounted in spy/EHV transformer, such as when medium-tension bushing and the bushing of spy/EHV transformer 3 is installed, it is accomplished by top 2, offering two sleeve pipe installing holes, so that the medium-tension bushing of spy/EHV transformer 3 and bushing can stretch out outside roof insulating.Furthermore it is also possible to arrange tarpaulin sealing together at each sleeve pipe installing hole, can be by sealing tarpaulin by the sealing of sleeve pipe installing hole being not required to sleeve pipe installing hole when.
Specification in view of spy/EHV transformer is varied, actual build roof insulating time, the spy/EHV transformer being required for different size sets up roof insulating, this design cost seriously adding roof insulating and difficulty of construction；In order to overcome this problem, the top 2 in the roof insulating provide with above-described embodiment is improved so that the roof insulating of a kind of structure goes for the installation of the spy/EHV transformer of different size.
Refer to Fig. 4, this ceiling includes the steel rope framework being connected with the Vierendeel girder on the sidewall of roof insulating, and steel rope framework is provided with tarpaulin, and tarpaulin includes the spaced fixing tarpaulin of polylith, movable tarpaulin, movable tarpaulin and fixing tarpaulin releasable connection it is provided with at interval between adjacent fixing tarpaulin；Movable tarpaulin is provided with closed sleeve pipe installing hole.Owing to the tarpaulin on steel rope framework includes the spaced fixing tarpaulin of polylith, movable tarpaulin it is provided with at interval between adjacent fixing tarpaulin, movable tarpaulin and fixing tarpaulin releasable connection, and activity tarpaulin is provided with closed sleeve pipe installing hole, and owing to different spies/EHV transformer size is different, make the sleeve position on spy/EHV transformer the most different, therefore, when installing spy/EHV transformer, can be by the position of adjustment activity tarpaulin, make the sleeve pipe installing hole offered on movable tarpaulin can change position, the sleeve pipe being had to adapt to the spy/EHV transformer of different size is installed, so roof insulating just can meet on the basis of the heat insulation function of roof insulating, the sleeve pipe adapting to different size spy/EHV transformer is installed.
Additionally, owing to movable tarpaulin removably connects with fixing tarpaulin, therefore, if the sleeve pipe that the spy/EHV transformer that still cannot adapt to certain specification by mobile movable tarpaulin is had is installed, it is possible to the sleeve pipe being had with the spy/EHV transformer of this specification by replacing activity tarpaulin is installed.
And in order to the apparent structure describing top 2, the structure of top 2 is described as a example by the top 2 in Fig. 3 below.
This top 2 includes first fixing ceiling 211, second fixing ceiling the 212, the 3rd and fix ceiling 213, first fixes top 211 and second fixes and is provided with the first sunroof 221 between top 212, and second fixes top 212 and the 3rd fixes and be provided with the second sunroof 222 between top 213.
And in order to make above-mentioned fixing tarpaulin and movable tarpaulin be capable of removably connecting, by dismountable connectors such as slide fasteners, activity tarpaulin can be connected with fixing tarpaulin, and fix tarpaulin and be located on steel rope framework by U-shaped ring, installation through hole is i.e. set on fixing tarpaulin, it is provided with reinforcement sleeve in through hole is installed, U-shaped ring through strengthen sleeve fasten on steel rope framework, so strengthen sleeve and be just avoided that the abrasion to fixing tarpaulin of the U-shaped ring, prevent from that through hole is installed to damage because of the abrasion of U-shaped ring so that fixing tarpaulin can keep connection status with steel rope framework.
It addition, for the heat insulation effect improving roof insulating further, the movable tarpaulin in above-described embodiment connects activity overlapping portion, fixing tarpaulin connects has fixing overlapping portion, activity overlapping portion and described overlapping portion overlapped；Fixing overlapping portion and activity overlapping portion removably connect, and the connector used when removably connecting is that the removable connectors such as slide fastener connect.And owing to fixing overlapping portion and activity overlapping portion are overlapped, when fixing tarpaulin is positioned at the outer side of canopy, movable tarpaulin is positioned at canopy side, even if leaking out in the position that fixing tarpaulin is connected with movable tarpaulin, it is also possible to by the activity overlapping portion of movable tarpaulin.
It should be noted that the fixing tarpaulin in above-described embodiment is identical with the structure of movable tarpaulin；The first wear-resistant coat that fixing tarpaulin includes being arranged in order, waterproof intermediate layer, heat-insulation layer, the second wear-resistant coat, can select polyurethane insulation coating, rock wool heat-preservation layer or phenolic aldehyde heat preserving layer as heat-insulation layer.Owing to the surface layer of fixing tarpaulin and movable tarpaulin is respectively provided with wearability, and intermediate layer includes again waterproof intermediate layer and insulation intermediate layer, therefore, no matter being fixing tarpaulin, or movable tarpaulin is respectively provided with good wearability and waterproof thermal-insulated performance in the present embodiment.
It should be noted that, refer to Fig. 1, many stay cords 20 it are also provided with on top 1 in above-described embodiment, the free end of every stay cord 20 is each attached to installed surface and is positioned at outside enclosure wall area defined, this makes it possible to utilize and fix the stay cord 20 being connected with installed surface and just can provide certain tension force for top 1 so that top 1 can have good wind resistance；It addition, and in order to improve tension force so that ceiling has more preferable wind resistance, when stay cord 20 is fixed on ground, it is possible to use top 2 first strained by euphroe, it is then attached on installed surface, thus can improve the tension force of top so that the wind loading rating of top is greatly enhanced.
Refer to Fig. 4, and in order to improve the heat insulation effect of roof insulating, heater 4 can be added in the space that enclosure wall 1 is surrounded, with space in the canopy by heater heating and thermal insulation canopy, reduce spy/EHV transformer installation process insulating oil thermal loss, and the shell heat radiation of extra-high voltage GIS further.And, as shown in Figure 4, the quantity of heater can add according to actual needs, and Fig. 4 gives three heaters, respectively primary heater 41, secondary heater the 42, the 3rd heater 43.
Refer to Fig. 6, when above-described embodiment uses heater that roof insulating carries out temperature control；Roof insulating temperature-controlled process includes:
S100: obtain canopy body unit interval heat dissipation capacity q of roof insulating1With ground unit interval heat dissipation capacity q in the canopy of roof insulating2；
S200: according to canopy body unit interval heat dissipation capacity q1With ground unit interval heat dissipation capacity q in canopy2Determine total heat dissipation capacity q of roof insulatings；Wherein, qs=q1+q2；
S300: assignment content is issued the control unit of described heater；Assignment content includes total heat dissipation capacity q of assignment type and roof insulatings；Assignment type is target heating power for choosing the assignment target of heater, total heat dissipation capacity q of roof insulatingsFor the target heating power of heater 4 is carried out assignment, so that roof insulating is heated by the heating unit that the control unit of heater 4 controls heater 4 according to target heating power.
From above-mentioned ground unit interval heat dissipation capacity q for the roof insulating temperature-controlled process that extremely frigid zones spy/EHV transformer is installed it can be seen that in the above-mentioned roof insulating temperature-controlled process canopy in view of roof insulating2, and by obtaining canopy body unit interval heat dissipation capacity q of roof insulating1With ground unit interval heat dissipation capacity q in the canopy of roof insulating2, to determine total heat dissipation capacity q of roof insulatings, then the control unit by utilizing assignment Type Control heater chooses the assignment target of heater is target heating power, so that target heating power P is equal to total heat dissipation capacity q of roof insulatings, when so utilizing the heating unit of heater according to space in this target heating power P heating and thermal insulation canopy, it becomes possible to according to total heat dissipation capacity q of roof insulatingsReasonably control the space in heater heating and thermal insulation canopy, strictly control the temperature in roof insulating, and, also will not cause energy waste because of superheated.
And obtain canopy body unit interval heat dissipation capacity q of the roof insulating in above-described embodiment1Method include:
Obtain the canopy body relevant information of roof insulating；Wherein, canopy body relevant information includes the Coefficient K of canopy body1Internal surface area A with canopy body1；
Obtaining temperature information, temperature information includes canopy internal object temperature TnWith outdoor environment temperature Tw；
Coefficient K according to canopy body1, internal surface area A of canopy body1, canopy internal object temperature TnWith outdoor environment temperature TwDetermine canopy body unit interval heat dissipation capacity q1；Wherein,
q1=K1A1(Tn-Tw)。
It should be noted that internal surface area A of the canopy body in above-described embodiment1Inner surface area and the inner surface area of top for enclosure wall 1.
Referring to Fig. 1, and the roof insulating in above-described embodiment includes enclosure wall 1 and the ceiling 2 being located on enclosure wall 1, enclosure wall includes heat-preserving wall, the Coefficient K of canopy body1Adopt and obtain with the following method:
Obtain canopy surface heat transfer information and the heat-preserving wall relevant information of roof insulating；Wherein, heat transfer information in canopy surface includes the heat exchange coefficient of interior surface a of canopy bodynOuter surface coefficient of heat transfer a with canopy bodyw；Heat-preserving wall relevant information includes the heat conductivity λ of the insulation material that the thickness δ of heat-preserving wall and heat-preserving wall used；
Heat exchange coefficient of interior surface a according to canopy bodyn, the outer surface coefficient of heat transfer a of canopy bodyw, the heat conductivity λ of insulation material that used of the thickness δ of heat-preserving wall and heat-preserving wall determine the Coefficient K of canopy body1；Wherein,
It should be noted that the heat exchange coefficient of interior surface a of the canopy body in above-described embodimentnThe heat exchange coefficient of interior surface of inwall and the heat exchange coefficient of interior surface of top for enclosure wall 1；The outer surface coefficient of heat transfer a of canopy bodywThe outer surface coefficient of heat transfer of inwall and the outer surface coefficient of heat transfer of top for enclosure wall 1.
If quantity k of heat-preserving wall is at least two sides, and every heat-preserving wall includes the i layer insulation portion that arranges along the short transverse of roof insulating；The relevant information of the heat-preserving wall in above-described embodiment also includes in every heat-preserving wall, the number of plies i layer in insulation portion；
The thickness δ of described heat-preserving wall is in every heat-preserving wall, the thickness δ in every layer of insulation portioni；
The heat conductivity λ of the insulation material that described insulation portion is used includes in every heat-preserving wall, the heat conductivity λ of the insulation material that every layer of insulation portion is usedi；
It addition, ground unit interval heat dissipation capacity q in the canopy of above-described embodiment described roof insulating of acquisition2Method include:
Obtain ground relevant information in the canopy of roof insulating；Wherein, ground Coefficient K in ground relevant information includes canopy in canopy2With floor area A in canopy2；
According to ground Coefficient K in canopy2, floor area A in described canopy2, described canopy internal object temperature TnWith described outdoor environment temperature TwDetermine ground unit interval heat dissipation capacity q in canopy2, q2=K2A2(Tn-Tw)；Wherein, ground Coefficient K in canopy2It is empirical value, can obtain according to practical situation.
It should be noted that and refer to Fig. 4, if use three heaters that roof insulating carries out temperature control in above-described embodiment, position and the heating-up temperature of three heaters meet equation below.
Wherein,
R1Distance for reference position to primary heater 41；
R2Distance for reference position to secondary heater 42；
R3Distance for reference position to the 3rd heater 43；
T1Heating-up temperature for primary heater 41；
T2Heating-up temperature for secondary heater 42；
T3It it is the heating-up temperature of the 3rd heater 43.
This utility model embodiment additionally provides the building method of the roof insulating of extremely frigid zones spy/EHV transformer installation of a kind of technique scheme, including:
S1: installing heat-insulation unit and fire prevention unit, makes heat-insulation unit and fire prevention unit form enclosure wall 1；
S2: top 2 is set at the top of heat-insulation unit and the top of fire prevention unit.
Compared with prior art, the beneficial effect of the roof insulating that the extremely frigid zones spy that the building method of the roof insulating that the extremely frigid zones spy that this utility model embodiment provides/EHV transformer is installed is had the advantage that with technique scheme provides/EHV transformer is installed is identical, does not repeats at this.
And in the building method of the roof insulating that extremely frigid zones spy/EHV transformer that above-described embodiment provides is installed, refer to Fig. 3, this heat-insulation unit includes the first insulation barricade portion 111 and the second insulation barricade portion 112, and fire prevention unit includes the first fire prevention barricade portion 121 and the second fire prevention barricade portion 122；The side in the first insulation barricade portion 111 is connected with the side in the first fire prevention barricade portion 121, the opposite side in the first fire prevention barricade portion 121 and the side in the second insulation barricade portion 122 are connected, the opposite side in the second insulation barricade portion 112 and the side in the second fire prevention barricade portion 122 are connected, and the opposite side in the second fire prevention barricade portion 122 and the opposite side in the first insulation barricade portion 111 are connected；
First insulation barricade portion 111 includes that the first left column and the first right column, described first left column and the first right column are connected by multilamellar the first framework, dismountable on every layer of first framework is provided with the first heat-insulating sandwich board；Wherein, the first left column is detachably connected near the side of the first left column with described first fire prevention barricade portion, and the first right column is detachably connected near the side of the first right column with described second fire prevention barricade portion；Second insulation barricade portion 112 includes the second left column and the second right column, described second left column and the second right column are connected by multilamellar the second framework, dismountable on every layer of second framework it is provided with the second heat-insulating sandwich board, wherein, described second left column is detachably connected near the side of the second left column with described first fire prevention barricade portion, and described second right column is detachably connected near the side of the second right column with described second fire prevention barricade portion.
When using above-mentioned roof insulating, installing heat-insulation unit and fire prevention unit, the method making heat-insulation unit and fire prevention unit form enclosure wall is:
S11: be respectively mounted the first left column, the first right column, the second left column and the second right column on installed surface；
S12: the multilamellar that removably connects between the first left column and the first right column the first framework, removably connect on every layer of first framework the first heat-insulating sandwich board, obtains the first insulation barricade portion 111；
The multilamellar that removably connects between the second left column and the second right column the second framework, removably connect on every layer of second framework the second insulation sandwich board, obtains the second insulation barricade portion 112；
S13: install the first fire prevention barricade portion 121 on installed surface, removably connects the side in the first fire prevention barricade portion 121 with the first left column, opposite side and second left column in the first fire prevention barricade portion 111 is removably connected；
Installed surface is installed the second fire prevention barricade portion 122, the side in the second fire prevention barricade portion 122 is removably connected with the first right column, opposite side and second right column in the second fire prevention barricade portion 122 are removably connected, obtains enclosure wall 1.
If during it addition, top 2 uses structure as shown in Figure 3, after installed surface completes the installation of fire prevention unit and heat-insulation unit, when top 2 is installed, first steel rope framework is fixed on the Vierendeel girder in the first fire prevention barricade portion 121 and the second fire prevention barricade portion 122；Then utilize U-shaped ring to pass on the installation through hole of fixing top, and be fastened on steel rope framework so that fixing top is connected on steel rope framework.Then removably connect on fixing top sunroof.
It should be noted that the mode removably connected in above-described embodiment is a lot, such as buckle, slide fastener all can be as removable connectors.
In the description of above-mentioned embodiment, specific features, structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with described scope of the claims.
Claims (7)
1. the roof insulating installed for extremely frigid zones spy/EHV transformer, it is characterised in that include the enclosure wall for being located on installed surface, described enclosure wall offers access way；Described enclosure wall includes that heat-insulation unit and the fire prevention unit being connected with heat-insulation unit, the top of described heat-insulation unit and the top of fire prevention unit are equipped with top；Wherein,
The first wear-resistant coat that the structure of described top includes being arranged in order, waterproof intermediate layer, heat-insulation layer, the second wear-resistant coat.
The roof insulating installed for extremely frigid zones spy/EHV transformer the most according to claim 1, it is characterized in that, described heat-insulation unit includes the first insulation barricade portion and the second insulation barricade portion, and described fire prevention unit includes the first fire prevention barricade portion and the second fire prevention barricade portion；Wherein,
The side in described first insulation barricade portion is connected with the side in the first fire prevention barricade portion, the opposite side in described first fire prevention barricade portion is connected with the side in described second insulation barricade portion, the opposite side in described second insulation barricade portion is connected with the side in described second fire prevention barricade portion, and the opposite side in described second fire prevention barricade portion is connected with the opposite side in described first insulation barricade portion.
The roof insulating installed for extremely frigid zones spy/EHV transformer the most according to claim 2, it is characterised in that described first insulation barricade portion and the second insulation barricade portion be arranged in parallel, described first fire prevention barricade portion and the second fire prevention barricade portion be arranged in parallel.
The roof insulating installed for extremely frigid zones spy/EHV transformer the most according to claim 2, it is characterised in that
Described first insulation barricade portion includes that the first left column and the first right column, described first left column and the first right column are connected by multilamellar the first framework, dismountable on every layer of first framework is provided with the first heat-insulating sandwich board；Wherein, described first left column is detachably connected near the side of the first left column with described first fire prevention barricade portion, and described first right column is detachably connected near the side of the first right column with described second fire prevention barricade portion；
Described second insulation barricade portion includes the second left column and the second right column, described second left column and the second right column are connected by multilamellar the second framework, dismountable on every layer of second framework it is provided with the second heat-insulating sandwich board, wherein, described second left column is detachably connected near the side of the second left column with described first fire prevention barricade portion, and described second right column is detachably connected near the side of the second right column with described second fire prevention barricade portion.
The roof insulating installed for extremely frigid zones spy/EHV transformer the most according to claim 4, it is characterised in that described heat-insulating sandwich board is phenol formaldehyde foam heat-insulating sandwich board, rock wool heat-preservation filled board or bubble polyurethane heat-insulation filled board.
The roof insulating installed for extremely frigid zones spy/EHV transformer the most according to claim 1, it is characterized in that, it is provided with heater in the space that described enclosure wall is surrounded, described access way is located in described heat-insulation unit, described top is provided with the multiple sleeve pipe installing holes for stretching to outdoor for the sleeve pipe of spy/EHV transformer, and each described sleeve pipe installing hole is provided with muff.
The roof insulating installed for extremely frigid zones spy/EHV transformer the most according to claim 1, it is characterized in that, connecting on described top and have many stay cords, one end of every stay cord is connected with top, and the other end is fixed on described installed surface as free end and is positioned at outside enclosure wall area defined.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620313766.XU CN205713285U (en) | 2016-04-14 | 2016-04-14 | A kind of roof insulating installed for extremely frigid zones spy/EHV transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620313766.XU CN205713285U (en) | 2016-04-14 | 2016-04-14 | A kind of roof insulating installed for extremely frigid zones spy/EHV transformer |
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| CN205713285U true CN205713285U (en) | 2016-11-23 |
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| CN201620313766.XU Active CN205713285U (en) | 2016-04-14 | 2016-04-14 | A kind of roof insulating installed for extremely frigid zones spy/EHV transformer |
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| CN (1) | CN205713285U (en) |
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