CN105909002B - The heat preserving method of roof insulating for special (super) high voltage reactor installation - Google Patents
The heat preserving method of roof insulating for special (super) high voltage reactor installation Download PDFInfo
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- CN105909002B CN105909002B CN201610232708.9A CN201610232708A CN105909002B CN 105909002 B CN105909002 B CN 105909002B CN 201610232708 A CN201610232708 A CN 201610232708A CN 105909002 B CN105909002 B CN 105909002B
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- insulating
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 title abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 49
- 238000004321 preservation Methods 0.000 claims description 18
- 238000012546 transfer Methods 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 2
- 238000002791 soaking Methods 0.000 abstract description 2
- 238000011900 installation process Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000012163 sequencing technique Methods 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 239000004800 polyvinyl chloride Substances 0.000 description 5
- 230000002045 lasting effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/04—Transformer houses; Substations or switchgear houses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a kind of heat preserving methods of roof insulating for special (super) high voltage reactor installation, are related to special (super) high voltage reactor mounting technique field, solve the shorter technical problem of the soaking time of existing roof insulating.Electric heater is installed, the heat preserving method of the roof insulating includes: the unit time heat dissipation capacity q for obtaining the roof insulating in roof insulating1With the unit time heat dissipation capacity q on ground in the roof insulating2；According to the unit time heat dissipation capacity q of the roof insulating1With the unit time heat dissipation capacity q on ground in the roof insulating2, determine the unit time of the roof insulating total heat dissipation capacity qs, wherein qs=q1+q2；According to the unit time of the roof insulating total heat dissipation capacity qs, the power P of electric heater is adjusted equal to qs.The present invention is applied to the installation of special (super) high voltage reactor.
Description
Technical field
The present invention relates to special (super) high voltage reactor mounting technique fields, more particularly to one kind is for special (super) high pressure reactance
The heat preserving method of the roof insulating of device installation.
Background technique
Currently, special (super) high-voltage fence construction has become a key construction project project, wherein in the spy of extremely frigid zones
The construction of (super) high-voltage fence is the important component of the engineering project.
For in the spy of extremely frigid zones (super) high-voltage fence construction project, the main problem in construction is, in spy
In the installation process of (super) high voltage reactor, the circulating temperature of the reactor oil in special (super) high voltage reactor at 65 DEG C or so,
And the ambient temperature of extremely frigid zones would generally reach -20 DEG C, can thus make the inside and outside of spy (super) high voltage reactor
Excessive temperature differentials causes the thermal loss of the reactor oil of special (super) high voltage reactor larger, so that the temperature of reactor oil is lower,
To influence special (super) high voltage reactor reactor oil circulation, and then the installation of influence spy's (super) high voltage reactor and subsequent
Stable operation.Therefore, it in the installation process of special (super) high voltage reactor, needs to take certain Insulation, to meet spy
Temperature requirements when (super) high voltage reactor is installed.
In the prior art, the installation of special (super) high voltage reactor is kept the temperature frequently with roof insulating, however, the application
Inventors have found that although existing roof insulating can play certain heat insulation effect, since it lacks perfect thermal-insulating scheme, because
This, the soaking time of existing roof insulating is shorter, is unable to satisfy in special (super) high voltage reactor installation process and keeps the temperature for a long time
Demand affects going on smoothly for special (super) high voltage reactor installation.
Summary of the invention
The purpose of the present invention is to provide one kind in the heat preserving method of the roof insulating of special (super) high voltage reactor installation, is used for
Keep the heat insulation effect of roof insulating lasting, meets heat preservation demand prolonged in special (super) high voltage reactor installation process, guarantee
Special (super) high voltage reactor installation is gone on smoothly.
In order to achieve the above objectives, the present invention provides a kind of heat preservation side of roof insulating for special (super) high voltage reactor installation
Method adopts the following technical scheme that
One kind being used for the heat preserving method of the roof insulating of special (super) high voltage reactor installation, the electricity being equipped in the roof insulating
Warmer；The heat preserving method of the roof insulating includes: the unit time heat dissipation capacity q for obtaining the roof insulating1In the roof insulating
The unit time heat dissipation capacity q on ground2；According to the unit time heat dissipation capacity q of the roof insulating1With the list on ground in the roof insulating
Position time heat dissipation capacity q2, determine the unit time of the roof insulating total heat dissipation capacity qs, wherein qs=q1+q2；According to the heat preservation
The unit time of canopy total heat dissipation capacity qs, the power P of electric heater is adjusted equal to qs。
The present invention provides a kind of heat preserving method of roof insulating installed as described above for special (super) high voltage reactor,
In the insulating process of roof insulating of the invention, since the power P of electric heater is equal to unit time total heat dissipation capacity q of roof insulatings,
So that the total amount of heat of the roof insulating is constant, and then effectively maintains the temperature of shed of the roof insulating constant, make the guarantor of roof insulating
Temp effect is lasting, meets in special (super) high voltage reactor winter installation process and keeps the temperature demand for a long time, ensure that special (super)
The installation of high voltage reactor winter is gone on smoothly.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the flow chart of the heat preserving method of roof insulating in the embodiment of the present invention；
Fig. 2 is the unit time heat dissipation capacity q that roof insulating is obtained in the embodiment of the present invention1The step of flow chart；
Fig. 3 is the Coefficient K that roof insulating is obtained in the embodiment of the present invention1The step of flow chart；
Fig. 4 is flow chart the step of obtaining the diameter d of inflatable column in the embodiment of the present invention；
Fig. 5 is flow chart the step of obtaining the thermal coefficient λ of inflatable column in the embodiment of the present invention；
Fig. 6 is the equivalent radiation thermal conductivity λ obtained in roof insulating in the embodiment of the present inventionrThe step of flow chart；
Fig. 7 is the unit time heat dissipation capacity q that ground in roof insulating is obtained in the embodiment of the present invention2The step of flow chart；
Fig. 8 is the stereoscopic schematic diagram of roof insulating in the embodiment of the present invention；
Fig. 9 is the top view of the roof insulating skeleton in the embodiment of the present invention；
Figure 10 is the stereoscopic schematic diagram of the roof insulating skeleton in the embodiment of the present invention；
Figure 11 is the main view of the roof insulating skeleton in the embodiment of the present invention；
Figure 12 is the schematic diagram of the intermediate arches shaped inflatable column in the roof insulating skeleton in the embodiment of the present invention；
Figure 13 is the schematic diagram of the reducing connector in the embodiment of the present invention；
Figure 14 is the schematic diagram of one of embodiment of the present invention three-way connector；
Figure 15 is the schematic diagram of another three-way connector in the embodiment of the present invention；
Figure 16 is the schematic diagram of the lifting ring position in the embodiment of the present invention.
Description of symbols:
1-roof insulating skeleton；11-front end face arch inflatable columns；111-level inflation columns；
112-vertical inflatable columns；113-arch portions；114-erection parts；
12-rear end face arch inflatable columns；13-intermediate arches shaped inflatable columns；2-outer tarpaulins；
3-connectors；4-openings；5-hoisting rings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of heat preserving method of roof insulating for special (super) high voltage reactor installation, the heat preservation
Electric heater is installed, specifically, as shown in Figure 1, the heat preserving method includes: in canopy
Step S1, the unit time heat dissipation capacity q of roof insulating is obtained1。
Step S2, the unit time heat dissipation capacity q on ground in roof insulating is obtained2。
It is noted that obtaining the unit time heat dissipation capacity q of roof insulating1It is dissipated with the unit time for obtaining ground in roof insulating
Heat q2Concrete mode can there are many, and for obtain roof insulating unit time heat dissipation capacity q1In acquisition roof insulating
The unit time heat dissipation capacity q on ground2Sequencing, the embodiment of the present invention without limit, those skilled in the art can root
It is selected according to actual needs, the embodiment of the present invention will illustrate in subsequent content and be described.
Step S3, according to the unit time heat dissipation capacity q of roof insulating1With the unit time heat dissipation capacity q on ground in roof insulating2, really
Determine unit time total heat dissipation capacity q of roof insulatings, wherein qs=q1+q2。
Step S4, according to the unit time of roof insulating total heat dissipation capacity qs, the power P of electric heater is adjusted equal to qs。
The embodiment of the invention provides a kind of guarantors for the roof insulating of special (super) high voltage reactor installation as described above
Warm method, in the insulating process of the roof insulating of the embodiment of the present invention, when being equal to the unit of roof insulating due to the power P of electric heater
Between total heat dissipation capacity qs, so that the total amount of heat of the roof insulating is constant, and then effectively maintains the temperature of shed of the roof insulating constant,
Keep the heat insulation effect of roof insulating lasting, meet in special (super) high voltage reactor winter installation process and keep the temperature demand for a long time,
It ensure that going on smoothly for special (super) high voltage reactor winter installation.
The embodiment of the present invention obtains the unit time heat dissipation capacity q of roof insulating to step S1 below1It obtains and keeps the temperature with step S2
The unit time heat dissipation capacity q on ground in canopy2Concrete mode be described in detail:
Step S1, the unit time heat dissipation capacity q of canopy body is obtained1Concrete mode there are many, for example, mode one, by more
Secondary test obtains the temperature difference of the unit time of roof insulating, and roof insulating is calculated according to the temperature difference of the unit time of roof insulating
Unit time heat dissipation capacity q1；Mode two, as shown in Fig. 2, obtaining the unit time heat dissipation capacity q of roof insulating1The step of include: to obtain
Take the Coefficient K of roof insulating1；Obtain the internal surface area A of roof insulating1；Obtain the canopy inside holding temperature T of roof insulatingn, need to refer to
Out be " the canopy inside holding temperature T of roof insulatingn" roof insulating is referred to when being kept the temperature, temperature to be achieved in canopy；It obtains
Take ambient temperature Tw；According to the Coefficient K of roof insulating1, roof insulating internal surface area A1, canopy inside holding temperature TnWith it is outer
Boundary environment temperature Tw, determine the unit time heat dissipation capacity q of roof insulating1, wherein q1=K1×A1×(Tn-Tw).It needs to illustrate
It is, for obtaining the Coefficient K of roof insulating1, roof insulating internal surface area A1, canopy inside holding temperature TnAnd ambient temperature
TwSequencing, without limiting, those skilled in the art can select the embodiment of the present invention according to the actual situation.
Compared with mode one, pass-through mode two calculates the unit time heat dissipation capacity q of roof insulating1It can effectively avoid and tested
Error in journey, so that the unit time heat dissipation capacity q of calculated roof insulating1It is more accurate, and then further ensure heat preservation
The heat insulation effect of canopy.
Illustratively, as shown in figure 3, the Coefficient K of above-mentioned acquisition roof insulating1The step of include:
Obtain the diameter d for the inflatable column that roof insulating includes；Obtain the thermal coefficient λ of inflatable column；Obtain roof insulating inner surface
Coefficient of heat transfer an；Obtain the coefficient of heat transfer a of roof insulating outer surfacew；According to the diameter d of inflatable column, inflatable column thermal coefficient λ,
The coefficient of heat transfer a of roof insulating inner surfacenWith the coefficient of heat transfer a of roof insulating outer surfacewDetermine the Coefficient K of roof insulating1, whereinSimilarly, for obtain the diameter d of the roof insulating inflatable column that includes, the thermal coefficient of inflatable column,
The coefficient of heat transfer a of roof insulating inner surfacenWith the coefficient of heat transfer a of roof insulating outer surfacewSequencing, the embodiment of the present invention is not yet
It is defined, those skilled in the art can select according to the actual situation.
It should be noted that obtain there are many modes of the diameter d of inflatable column, for example, mode one, directly to roof insulating into
Row measurement obtains the diameter d of inflatable column；Mode two, as shown in figure 4, the step of obtaining the diameter d of inflatable column includes: to obtain heat preservation
The height h of canopy and the span L of roof insulating；According to the height h of roof insulating and the span L of roof insulating, the diameter d of inflatable column is determined,
Wherein, the value range of d=k × (h × L), k are 0.006m-1~0.020m-1.Similarly, the height h and guarantor of roof insulating are obtained
The sequencing of the span L of warm canopy, the embodiment of the present invention also without limit, those skilled in the art can according to the actual situation into
Row selection.
Compared with mode one, pass-through mode two can avoid the error occurred in measurement process to calculate the diameter d of inflatable column,
So that the diameter d of calculated inflatable column is more accurate, and then further ensure the heat insulation effect of roof insulating.
Illustratively, as shown in figure 5, the step of obtaining the thermal coefficient λ of inflatable column includes: the thermal coefficient for obtaining air
λa；Obtain the convection current equivalent heat conductivity λ in roof insulatingc；Obtain the equivalent radiation thermal conductivity λ in roof insulatingr；According to air
Thermal coefficient λa, convection current equivalent heat conductivity λ in roof insulatingcWith the equivalent radiation thermal conductivity λ in roof insulatingr, determining to fill
The thermal coefficient λ of air column, wherein λ=λa+λc+λr.Similarly, for the thermal coefficient λ of acquisition aira, obtain roof insulating in
Convection current equivalent heat conductivity λcWith the equivalent radiation thermal conductivity λ in acquisition roof insulatingrSequencing, the embodiment of the present invention
Without limiting, those skilled in the art can select according to the actual situation.
Illustratively, the convection current equivalent heat conductivity λ in roof insulating is obtainedcThe step of include:
According to the diameter d of inflatable column, canopy inside holding temperature TnWith ambient temperature Tw, determine that the convection current in roof insulating is worked as
Measure thermal coefficient λc, wherein λc=0.942d3/2(Tn-Tw)1/2。
Illustratively, as shown in fig. 6, obtaining the equivalent radiation thermal conductivity λ in roof insulatingrThe step of include: obtain protect
The emissivity ε of the interior tarpaulin of warm canopy1；Obtain the emissivity ε of the outer tarpaulin of roof insulating2；Obtain blackbody coefficient Cb；According to interior
The emissivity ε of tarpaulin1, outer tarpaulin emissivity ε2, blackbody coefficient Cb, inflatable column diameter d, canopy inside holding temperature TnWith
Ambient temperature Tw, determine the equivalent radiation thermal conductivity λ in roof insulatingr, wherein
Similarly, for the emissivity ε of tarpaulin in obtaining1, obtain the emissivity ε of outer tarpaulin2With acquisition blackbody coefficient Cb's
Sequencing, without limiting, those skilled in the art can select the embodiment of the present invention according to the actual situation.
In addition, in order to reduce the cost of roof insulating, the preferably identical material of interior tarpaulin and outer tarpaulin of roof insulating, at this point,
The emissivity ε of interior tarpaulin in above-mentioned formula1With the emissivity ε of outer tarpaulin2It is equal.
Further, since in the installation process of special (super) high voltage reactor, in used spy's (super) high voltage reactor
Reactor oil is combustibles, so that the safety coefficient in installation process is lower, it is therefore, in the embodiment of the present invention preferably, interior
Tarpaulin and outer tarpaulin are the fire-retardant tarpaulin of PVC, so that interior tarpaulin and outer tarpaulin are while playing the role of heat preservation, moreover it is possible to
Improve the safety coefficient in special (super) high voltage reactor installation process.At this point, in above-mentioned formula interior tarpaulin emissivity ε1With
The emissivity ε of outer tarpaulin2It is 0.9.
Step S2, the unit time heat dissipation capacity q on ground in roof insulating is obtained2Concrete mode there are many, for example, mode
One, the temperature difference of the unit time on ground in roof insulating is obtained by many experiments, according to the unit time on ground in roof insulating
Temperature difference the unit time heat dissipation capacity q on ground in roof insulating is calculated2；Mode two, as shown in fig. 7, obtaining in roof insulating
The unit time heat dissipation capacity q on ground2The step of include: obtain roof insulating in ground Coefficient K2；Obtain ground in roof insulating
Area A2；Obtain the canopy inside holding temperature T of roof insulatingn；Obtain ambient temperature Tw；According to the heat transfer on ground in roof insulating
COEFFICIENT K2, in roof insulating ground area A2, canopy inside holding temperature TnWith ambient temperature Tw, determine ground in roof insulating
Unit time heat dissipation capacity q2, wherein q2=K2×A2×(Tn-Tw).Similarly, for the heat transfer coefficient on ground in acquisition roof insulating
K2, obtain roof insulating in ground area A2, obtain roof insulating canopy inside holding temperature TnWith acquisition ambient temperature TwElder generation
Sequence afterwards, without limiting, those skilled in the art can select the embodiment of the present invention according to the actual situation.
Compared with mode one, pass-through mode two calculates the unit time heat dissipation capacity q on ground in roof insulating2It can effectively avoid
Error in experimentation so that in calculated roof insulating ground unit time heat dissipation capacity q2It is more accurate, further protect
The heat insulation effect of roof insulating is demonstrate,proved.
In order to facilitate understanding by those skilled in the art and implement, below the embodiment of the present invention provide it is a kind of with above-mentioned heat preservation side
The specific structure of the roof insulating that method matches, the roof insulating is as follows:
As shown in figure 8, the roof insulating includes: the multiple inflatable columns being detachably connected, it is more after being inflated to multiple inflatable columns
A inflatable column forms roof insulating skeleton 1；It is mounted on roof insulating skeleton and coats the outer tarpaulin 2 of the lateral surface of roof insulating skeleton；
It is mounted on roof insulating skeleton 1 and coats the interior tarpaulin (not shown) of the medial surface of roof insulating skeleton.
It, can also be in roof insulating skeleton 1 for the temperature requirements in special (super) the high voltage reactor installation process of further satisfaction
Interior placement electric heater, provides heat into roof insulating by electric heater, wherein the type of electric heater has very much, art technology
Personnel can select according to actual needs.Illustratively, electric heater can be warm-air drier, to pass through the past heat preservation of warm-air drier
Blowing hot-air in canopy can maintain heat preservation temperature of shed.
In addition, due in the installation process of special (super) high voltage reactor, in used spy's (super) high voltage reactor
Reactor oil is combustibles, so that the safety coefficient in installation process is lower, it is therefore, in the embodiment of the present invention preferably, interior
Tarpaulin and outer tarpaulin 2 are fire-retardant tarpaulin, so that interior tarpaulin and outer tarpaulin 2 are while playing the role of heat preservation, moreover it is possible to improve
Safety coefficient in special (super) high voltage reactor installation process.
You need to add is that as shown in figure 9, can also be arranged on the top of the roof insulating skeleton 1 in the embodiment of the present invention
There is the opening 4 for bushing disengaging, while can also be aided with oversleeve device, so that when carrying out bushing installation, it should
Roof insulating is still able to satisfy the demand of heat preservation.
In the technical solution of the embodiment of the present invention, since the roof insulating has above structure, by above-mentioned heat preservation
When canopy is applied to the installation of special (super) high voltage reactor, when facing various sizes of required spy (super) high voltage reactor installed,
It does not need to make new roof insulating, need to only increase or decrease the number of the inflatable column in roof insulating skeleton 1, i.e., adjustable roof insulating
Roof insulating skeleton 1 length, and then adjust roof insulating length, so as to meet spy (super) high pressure reactance of different length
Temperature requirements in device installation process ensure that going on smoothly for special (super) high voltage reactor installation.
Inventors have found that the diameter d of inflatable column is bigger, the support strength of roof insulating skeleton 1 is bigger, but in view of spy
The limitation (for example, unevenness of the positions such as mountainous region) of the installation site of (super) high voltage reactor, the occupied area of roof insulating is not
Can be excessive, i.e., the diameter of inflatable column cannot be excessive, therefore, in the actual installation process of special (super) high voltage reactor, to inflation
The diameter d of column carries out rationally setting and has a very important role.In the embodiment of the present invention preferably, pass through spy (super) to be installed
The height h of the roof insulating skeleton 1 of roof insulating needed for the specific size of high voltage reactor obtains and the span L of roof insulating skeleton 1, make
The diameter d of inflatable column meets d=k × (h × L), wherein the value range of k is 0.006m-1~0.020m-1, allow in this way
The air pressure inside of the roof insulating born is up to 15KPa~25KPa, wind resistance grade is greater than or equal to 8 grades, and then can be by the guarantor
Warm canopy is applied in the installing engineering of spy (super) high voltage reactor of ruthless area.
The specific structure of roof insulating skeleton 1 is described in detail in the attached drawing of combination of the embodiment of the present invention below:
Illustratively, as shown in Figure 10, roof insulating skeleton 1 includes front end face arch inflatable column 11, the inflation of rear end face arch
Column 12 and multiple intermediate arches shaped inflatable columns 13 between front end face arch inflatable column 11, rear end face arch inflatable column 12；
Front end face arch inflatable column 11, multiple intermediate arches shaped inflatable columns 13, rear end face arch inflatable column 12 are detachably connected.
In order to further reinforce the intensity of roof insulating, improve the stability of roof insulating, in the embodiment of the present invention, in front end
The rear end face arch area surrounded in the front end face arch area that face arch inflatable column 11 is surrounded with rear end face arch inflatable column 12
It is interior to be equipped with level inflation column 111 and vertical inflatable column 112, specifically, as shown in figure 11:
First level inflatable column 111, the second water are equipped in the front end face arch area that front end face arch inflatable column 11 is surrounded
Flat inflatable column 111, the first vertical inflatable column 112 and the second vertical inflatable column 112, specifically, first level inflatable column 111
One end is detachably connected with front end face arch inflatable column and one end of ground face contact, one end of the second level inflation column 111 and institute
It states front end face arch inflatable column and the other end of ground face contact is detachably connected, the other end of first level inflatable column 111 passes through
The arch portion of first vertical inflatable column 112 and front end face arch inflatable column is detachably connected, the second level inflation column 111 it is another
End is detachably connected by the arch portion of the second vertical inflatable column 112 and front end face arch inflatable column.
It is equipped with a level inflation column 111 in the rear end face arch area that rear end face arch inflatable column 12 is surrounded and one perpendicular
Straight inflatable column 112, specifically, the both ends of level inflation column 111 are detachably connected on rear end face arch inflatable column and ground face contact
Both ends between, arch portion of the both ends of vertical inflatable column 112 respectively with level inflation column 111 and rear end face arch inflatable column can
Dismantling connection.
Illustratively, as shown in figure 12, front end face arch inflatable column 11, rear end face arch inflatable column 12 and multiple centres
Arch inflatable column 13 includes arch portion 113 and the erection part 114 for being connected to 112 both ends of arch portion, illustratively, such as Fig. 9 institute
Show, be provided with connector 3 on arch portion 113 and erection part 114, front end face arch inflatable column, rear end face arch inflatable column with
And multiple intermediate arches shaped inflatable columns are detachably connected by connector 3.
Further, as shown in figure 11, in the front end face arch area that front end face arch inflatable column is surrounded, two vertical
Inflatable column 112 is detachably connected on two trisection points of arch portion 113, so that 11 structure pair of front end face arch inflatable column
Claim, so that the structure of the arch inflatable column 11 is more stable, two vertical inflatable columns 112 and arch portion 113 enclose at this time
At region be alternatively arranged as the entrance of aeration insulating canopy, entered and left for construction personnel；Similarly, rear end face arch inflatable column institute
In the rear end face arch area surrounded, vertical inflatable column 112 is detachably connected on the midpoint of arch portion 113, so that the jack arch shape
11 symmetrical configuration of inflatable column, so that the structure of the arch inflatable column 11 is more stable.
In the embodiment of the present invention, as shown in Figure 10, above-mentioned front end face arch inflatable column 11, rear end face arch inflatable column 12 with
And the front end face arch area of multiple intermediate arches shaped inflatable columns 13 being detachably connected and front end face arch inflatable column 11 is surrounded
The vertical support air column 113 and horizontally-supported air column in rear end face arch area that interior and rear end face arch inflatable column 12 is surrounded
114 be detachably connected can realize that the type of connector 3 has much by connector 3, for example, reducing as shown in fig. 13 that
Connector or three-way connector as shown in Figure 14 and Figure 15 etc., those skilled in the art can select according to actual needs
It selects.Illustratively, as shown in Figure 10, for the roof insulating skeleton 1 in the embodiment of the present invention, front end face arch inflatable column
11, rear end face arch inflatable column 12 and the specific connection type of multiple intermediate arches shaped inflatable columns 13 being detachably connected are as follows: preceding
End face arch inflatable column 11, rear end face arch inflatable column 12 and multiple intermediate arches shaped inflatable columns 13 are by being located at arch portion
113 and 114 middle position of erection part on reducing connector, and the tee T three-way connector positioned at 114 bottom end of erection part
It is connected；The rear end surrounded in the front end face arch area that front end face arch inflatable column 11 is surrounded with rear end face arch inflatable column 12
The specific connection type of vertical support air column 113 and horizontally-supported air column 114 in the arch area of face being detachably connected are as follows: pass through
The three-way connector of same diameter will be located in the front end face arch area that front end face arch inflatable column 11 is surrounded to encircle with rear end face
Each vertical air column 113, horizontal air column 114 and the erection part 114 and arch for the rear end face arch area that shaped inflatable column 12 is surrounded
Portion 113 is connected.
You need to add is that the present invention is real for the ease of covering on roof insulating on spy to be installed (super) high voltage reactor
It applies in example and the outside of erection part 114 is preferably provided with hoisting ring 5 as shown in figure 16.By hoisting ring 5 by roof insulating cover on to
It, can also be by earth anchor and across the bracing wire of hoisting ring 5, by roof insulating and ground after on spy (super) high voltage reactor of installation
It is fixed, such as 4 hoisting rings in the erection part 114 at 4 angles for being located at roof insulating skeleton 1 is selected to consolidate roof insulating and ground
Fixed, alternatively, selection is located at 4 hoisting rings in the erection part 114 at 4 angles of roof insulating skeleton 1, and selection is located at heat preservation
4 hoisting rings in 4 erection parts 11 of the centre in 4 faces of canopy skeleton 1 fix roof insulating and ground.
It is further preferred that as shown in figure 16, hoisting ring 5 is set to the apical lateral of erection part 114, on the one hand keep away
It is (super) high accurately to be covered on spy to be installed by the problem of having exempted from the gravity center instability of roof insulating in hoisting process and having tilted for roof insulating
It presses on reactor, on the other hand can also be achieved the best fixed effect of roof insulating.
In addition, inventor also found that heat preservation can also be effectively improved by carrying out reasonable selection to the material of roof insulating skeleton 1
The intensity of canopy, preferably roof insulating skeleton 1 is with high-intensitive building film material in the embodiment of the present invention.Since polyvinyl chloride is built
The abrasion resistance properties of membrane material are excellent, and therefore, in the embodiment of the present invention, preferably roof insulating skeleton 1 is polyvinyl chloride building film material, from
And it is able to extend the service life of roof insulating skeleton 1.It should be noted that since roof insulating skeleton 1 includes erection part 114, arch
Shape portion 113, vertical air column 113, horizontal air column 114 and connector 3, therefore, in the embodiment of the present invention, the material of roof insulating skeleton 1
Matter be polyvinyl chloride building film material refer to the erection part 114 that roof insulating skeleton 1 includes, arch portion 113, vertical air column 113,
The material of horizontal air column 114 and connector 3 is polyvinyl chloride building film material.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (3)
1. a kind of heat preserving method for the roof insulating installed for extra-high voltage or super-pressure reactor, electricity is installed in the roof insulating
Warmer, which is characterized in that the heat preserving method of the roof insulating includes:
Obtain the unit time heat dissipation capacity q of the roof insulating1With the unit time heat dissipation capacity q on ground in the roof insulating2；
According to the unit time heat dissipation capacity q of the roof insulating1With the unit time heat dissipation capacity q on ground in the roof insulating2, determine
The unit time of the roof insulating total heat dissipation capacity qs, wherein qs=q1+q2；
According to the unit time of the roof insulating total heat dissipation capacity qs, the power P of electric heater is adjusted equal to qs；
Wherein, the unit time heat dissipation capacity q of the roof insulating is obtained1The step of include:
Obtain the Coefficient K of the roof insulating1；Obtain the internal surface area A of the roof insulating1；In the canopy for obtaining the roof insulating
Holding temperature TnWith ambient temperature Tw；
According to the Coefficient K of the roof insulating1, the roof insulating internal surface area A1, the canopy inside holding temperature TnWith it is described
Ambient temperature Tw, determine the unit time heat dissipation capacity q of the roof insulating1, wherein q1=K1×A1×(Tn-Tw)；
Wherein, the Coefficient K of the roof insulating is obtained1The step of include:
Obtain the diameter d for the inflatable column that the roof insulating includes；Obtain the thermal coefficient λ of the inflatable column；Obtain the heat preservation
The coefficient of heat transfer a of canopy inner surfacen；Obtain the coefficient of heat transfer a of the roof insulating outer surfacew；
According to the diameter d of the inflatable column, the thermal coefficient λ of the inflatable column, the roof insulating inner surface coefficient of heat transfer anWith
The coefficient of heat transfer a of the roof insulating outer surfacew, determine the Coefficient K of the roof insulating1, wherein
Wherein, the step of obtaining the diameter d of the inflatable column include:
Obtain the height h of the roof insulating；Obtain the span L of the roof insulating；
According to the span L of the height h of the roof insulating and the roof insulating, the diameter d of the inflatable column is determined, wherein d=k
The value range of × (h × L), k are 0.006m-1~0.020m-1；
The step of obtaining the thermal coefficient λ of the inflatable column include:
Obtain the thermal coefficient λ of aira；Obtain the convection current equivalent heat conductivity λ in the roof insulatingc；It obtains in the roof insulating
Equivalent radiation thermal conductivity λr；
According to the thermal coefficient λ of the aira, convection current equivalent heat conductivity λ in the roof insulatingcIn the roof insulating
Equivalent radiation thermal conductivity λr, determine the thermal coefficient λ of the inflatable column, wherein λ=λa+λc+λr；
Obtain the convection current equivalent heat conductivity λ in the roof insulatingcThe step of include:
According to the diameter d of the inflatable column, the canopy inside holding temperature TnWith the ambient temperature Tw, determine the heat preservation
Convection current equivalent heat conductivity λ in canopyc, wherein λc=0.942d3/2(Tn-Tw)1/2；
Obtain the equivalent radiation thermal conductivity λ in the roof insulatingrThe step of include:
Obtain the emissivity ε of the interior tarpaulin in the roof insulating1；Obtain the emissivity ε of the outer tarpaulin in the roof insulating2；It obtains
Blackbody coefficient Cb；
According to the emissivity ε of the interior tarpaulin1, the outer tarpaulin emissivity ε2, the blackbody coefficient Cb, the inflation
The diameter d of column, the canopy inside holding temperature TnWith the ambient temperature Tw, determine that the rad equivalent in the roof insulating is led
Hot coefficient lambdar, wherein
The step of obtaining the unit time heat dissipation capacity q2 on ground in the roof insulating include:
Obtain the Coefficient K on ground in the roof insulating2；Obtain the area A on ground in the roof insulating2；Obtain the heat preservation
The canopy inside holding temperature T of canopyn；Obtain ambient temperature Tw；
According to the Coefficient K on ground in the roof insulating2, in the roof insulating ground area A2, the canopy inside holding temperature
TnWith the ambient temperature Tw, determine the unit time heat dissipation capacity q on ground in the roof insulating2, wherein q2=K2×A2×
(Tn-Tw)。
2. heat preserving method according to claim 1, which is characterized in that the emissivity ε of the interior tarpaulin1With the outer tarpaulin
Emissivity ε2It is equal.
3. heat preserving method according to claim 2, which is characterized in that the emissivity ε of the interior tarpaulin1With the outer tarpaulin
Emissivity ε2It is 0.9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610232708.9A CN105909002B (en) | 2016-04-14 | 2016-04-14 | The heat preserving method of roof insulating for special (super) high voltage reactor installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610232708.9A CN105909002B (en) | 2016-04-14 | 2016-04-14 | The heat preserving method of roof insulating for special (super) high voltage reactor installation |
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| CN105909002A CN105909002A (en) | 2016-08-31 |
| CN105909002B true CN105909002B (en) | 2019-01-18 |
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| US8997767B2 (en) * | 2011-10-28 | 2015-04-07 | Richard W. Hotes | Multi-layer shelter insulation system |
| CN202530828U (en) * | 2012-03-16 | 2012-11-14 | 郭伟 | Electric heating traveling tent |
| CN103452206B (en) * | 2013-09-23 | 2016-01-13 | 中国建筑西南设计研究院有限公司 | A kind of diabatic process computational methods of civilian construction self heat insulation wall |
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