CN208348805U - The adiabatic heat-insulation device of heat distribution pipeline - Google Patents
The adiabatic heat-insulation device of heat distribution pipeline Download PDFInfo
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- CN208348805U CN208348805U CN201820914715.1U CN201820914715U CN208348805U CN 208348805 U CN208348805 U CN 208348805U CN 201820914715 U CN201820914715 U CN 201820914715U CN 208348805 U CN208348805 U CN 208348805U
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Abstract
The utility model provides a kind of adiabatic heat-insulation device of heat distribution pipeline, comprising: inner panel, the inner panel are wrapped in heat distribution pipeline outer wall, for being in close contact with heat distribution pipeline outer wall, realize that the first order is heat-insulated；Outside plate, the outside plate setting are equipped with cavity between inner panel periphery and inner panel, and outside plate end and inner panel are tightly connected, and outside plate is equipped with and vacuumizes interface；Thermal insulation layer, the thermal insulation layer are arranged in the cavity between inner panel and outside plate, and thermal insulation layer both ends are fixedly connected on the medial surface of outside plate end, and the thermal insulation layer is used between inner panel and outside plate realize that the second level is heat-insulated in cavity.The utility model is theoretical according to heat transfer, thermal convection and heat radiation, thermal convection and the loss of heat transfer account for the overwhelming majority of radiation loss in INSULATION DESIGN, thermal convection and heat transfer are limited from the root by vacuum heat-preserving technology, further through the use of low-emissivity material, radiant heat loss is effectively reduced, the heat insulation effect being almost insulated is finally reached.
Description
Technical field
The utility model relates to thermodynamic transport technological systems, and in particular to a kind of adiabatic heat-insulation device of heat distribution pipeline.
Background technique
It is well known that municipal administration and enterprise's heat supply need to lay transmission pipeline, by laying heat supply transmission pipeline, heat is passed
It is defeated to arrive huge numbers of families.In view of the efficiency of transmission, seem most important for the insulation of transmission pipeline, with ensure will to the greatest extent can
Heat utilization more than energy reduces the thermal losses in transmission in the heat supply to user.
Currently, heat distribution pipeline is kept the temperature using thermal insulation materials such as rock wool, polyurethane, in order to further decrease heat dissipation damage
It loses, by pipe arrangement and trench, or it is directly that pipeline is buried.Such heat preserving mode has the disadvantage that
1, heat insulation effect is general, and insulation construction volume is big, increases pipe arrangement difficulty, especially transformation project, this
Come space to be just limited；
2, in the thermal insulation materials installation process such as rock wool, polyurethane, worker works under hard conditions；
3, the thermal insulation materials quality such as rock wool, polyurethane is difficult to control, and construction quality is also difficult to control, and eventually leads to heat preservation effect
Design requirement is not achieved in fruit, and even if discovery material or construction problem, since difficulty of doing over again is big, can not apply again substantially
Work；
4, in order to further decrease radiation loss, by pipe arrangement and trench, or it is directly that pipeline is buried, cause ground
Face is excavated, and project amount is increased.
Utility model content
In consideration of it, the utility model provides a kind of adiabatic heat-insulation device of heat distribution pipeline, according to heat transfer, thermal convection and heat
Theory of radiation, thermal convection and the loss of heat transfer account for the overwhelming majority of radiation loss in INSULATION DESIGN, pass through vacuum heat-preserving
Technology limits thermal convection and heat transfer from the root, further through the use of low-emissivity material, effectively reduces heat loss through radiation
Loss, is finally reached the heat insulation effect being almost insulated.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of adiabatic heat-insulation device of heat distribution pipeline, the adiabatic heat-insulation device include:
Inner panel, the inner panel is wrapped in heat distribution pipeline outer wall, and is in close contact with heat distribution pipeline outer wall；
Outside plate, the outside plate setting are equipped with cavity between inner panel periphery and inner panel, and outside plate end and inner panel sealing connect
It connects, the outside plate is equipped with and vacuumizes interface；
Thermal insulation layer, the thermal insulation layer are arranged in the cavity between inner panel and outside plate, and thermal insulation layer both ends are fixedly connected with outside plate
On the medial surface of end, the thermal insulation layer is heat-insulated for realizing in cavity between inner panel and outside plate.
The adiabatic heat-insulation device of heat distribution pipeline as described above, it is preferable that the adiabatic heat-insulation device further include:
Supporting part, the supporting part have multiple, are separately positioned on inner panel and thermal insulation layer, in adiabatic heat-insulation device
Portion is supported；
Interconnecting part, the interconnecting part are arranged on thermal insulation layer, for external cavity in thermal insulation layer to be connected to.
The adiabatic heat-insulation device of heat distribution pipeline as described above, it is preferable that the thermal insulation layer includes the first thermal insulation board and second
Thermal insulation board, the second thermal insulation board setting are equipped with cavity in the first thermal insulation board periphery between the first thermal insulation board and the second thermal insulation board,
First thermal insulation board and the second heat-insulated board ends are fixedly connected on the medial surface of outside plate end.
The adiabatic heat-insulation device of heat distribution pipeline as described above, it is preferable that on first thermal insulation board and the second thermal insulation board
Equipped with supporting part；
Preferably, interconnecting part is equipped on first thermal insulation board and the second thermal insulation board.
The adiabatic heat-insulation device of heat distribution pipeline as described above, it is preferable that the inner panel, the first thermal insulation board and the second thermal insulation board
Outer surface be coated with low-emissivity material, or the outer surface of the inner panel, the first thermal insulation board and the second thermal insulation board is carried out
Polishing treatment.
The adiabatic heat-insulation device of heat distribution pipeline as described above, it is preferable that the supporting part is expansion joint；
Preferably, it is connected at the top of the expansion joint on the inner panel with the first thermal insulation board inner surface, described first is heat-insulated
It is connected at the top of expansion joint on plate with the second thermal insulation board inner surface, expansion joint top and outside plate on second thermal insulation board
Inner surface connects；
Preferably, the interconnecting part is through-hole；
Preferably, the through-hole face of the through-hole of first thermal insulation board and the second thermal insulation board is arranged；
Preferably, the interface that vacuumizes is equipped with valve.
The adiabatic heat-insulation device of heat distribution pipeline as described above, it is preferable that the inner panel, outside plate, the first thermal insulation board and second
Thermal insulation board includes multiple units, and the junction of adjacent cells is equipped with bridge cut-off mechanism, the bridge cut-off mechanism for prevent layer with
Heat transfer between layer.
The adiabatic heat-insulation device of heat distribution pipeline as described above, it is preferable that the connection side between the adjacent cells of the inner panel
Formula is welding, and the connection type between the adjacent cells of the outside plate is welding.
The adiabatic heat-insulation device of heat distribution pipeline as described above, it is preferable that the bridge cut-off mechanism includes:
Abutment, the abutment are fixedly connected on the junction of adjacent cells, are used to support the body of a bridge；Each bridge cut-off machine
Structure includes there are two abutment, and described two abutments are oppositely arranged on the unit junction of adjacent layer；
The body of a bridge, the body of a bridge are made of heat-barrier material, and body of a bridge both ends are respectively embedded into two abutments.
The adiabatic heat-insulation device of heat distribution pipeline as described above, it is preferable that the abutment is the tube that side is equipped with opening,
The astomous side of abutment is welded on adjacent cells junction, and the opening of described two abutments is oppositely arranged；The body of a bridge is plate
The both ends of shape, the body of a bridge are embedded in inside abutment by the opening of abutment side.
Compared with the immediate prior art, technical solution provided by the utility model has following excellent effect:
1. existing heating network heat loss generally presses 5% consideration, the utility model can drop the heat loss of heating network
Within 0.5%, i.e., every kilometer of temperature drop control is within 0.02 DEG C；
2. work as pipe diameter 1m, it is 95 DEG C of pipe temperature, subzero 20 DEG C of environment temperature, wind speed 5m/s, conventional when night-environment
Heat preserving mode will reach the heat loss of heating network lower than 0.5%, and insulation thickness needs to reach 100mm or more (thermal insulation material choosing
In the case where with high-quality rock wool), and the adiabatic heat-insulation device of the utility model only needs 50mm, is conventional heat preserving mode insulation thickness
Half, when pipe temperature is higher, advantageous thinness be will be apparent from；
3. the adiabatic heat-insulation device of the utility model has outstanding thermal insulation property, it is contemplated that appropriate amplification heat distribution pipeline
Caliber facilitates to reduce pipeline water resistance in this way；
4. being placed on the outside of pipeline when the adiabatic heat-insulation device installation of the utility model, it is not required to be welded with pipeline, i.e., not
It need to get angry on pipeline, save material resources manpower when installation, it, can be in the case where not having to cutting pipeline for Reconstruction in field project
Improvement and installation；
5. the adiabatic heat-insulation device of the utility model is equipped with dynamic and vacuumizes interface, taken out very for unified after being installed
Sky, and facilitate after discovery loss of vacuum in maintenance process and vacuumized again；
6. expansion joint is arranged on every layer of partition of adiabatic heat-insulation device of the utility model, on the one hand it can compensate for each layer partition
Swollen difference caused by temperature is different, on the other hand it can be used for self-supporting inside the present apparatus, avoid due to two sides atmospheric pressure by its
Flatten, support device only with adjacent outer baffle contacts, and be line contact or point contact, theoretically it is believed that contact area
It is zero, so negligible due to heat transfer caused by contacting；
7. the adiabatic heat-insulation device of the utility model has outstanding heat insulation effect and advantageous thinness, so can directly will be hot
The aerial arrangement of hydraulic piping, is not required to heat distribution pipeline direct-burried or is placed in trench.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Wherein:
Fig. 1 is the adiabatic heat-insulation device use state diagram of the utility model embodiment；
Fig. 2 is the adiabatic heat-insulation device unit junction general structure schematic diagram of the utility model embodiment；
Fig. 3 is A-A the schematic diagram of the section structure in Fig. 2；
Fig. 4 is B-B the schematic diagram of the section structure in Fig. 3；
Fig. 5 is partial enlargement structural representation at C in Fig. 3；
Fig. 6 is partial enlargement structural representation at D in Fig. 4.
Description of symbols:
1- heat distribution pipeline；2- inner panel；The first thermal insulation board of 3-；The second thermal insulation board of 4-；5- outside plate；6- vacuumizes interface；7- is held
Support portion；
8- bridge cut-off mechanism；801- abutment pad；802- abutment；The 803- body of a bridge；
9- element solder point；12- interconnecting part.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that not conflicting
In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.Term used in the utility model " connected ", " connection " shall be understood in a broad sense,
For example, it may be being fixedly connected, may be a detachable connection；It can be directly connected, it can also be indirect by intermediate member
It is connected, for the ordinary skill in the art, can understands the concrete meaning of above-mentioned term as the case may be.
As shown in Figure 1, embodiment according to the present utility model, provides a kind of adiabatic heat-insulation device of heat distribution pipeline, absolutely
Hot attemperator includes: inner panel 2, and inner panel 2 is wrapped in 1 outer wall of heat distribution pipeline, real for being in close contact with 1 outer wall of heat distribution pipeline
The existing first order is heat-insulated.Outside plate 5, the setting of outside plate 5 are equipped with cavity, 5 end of outside plate and inner panel 2 between 2 periphery of inner panel and inner panel 2
It is tightly connected, the outside plate 5 is equipped with and vacuumizes interface 6.The cavity between inner panel 2 and outside plate 5 is arranged in thermal insulation layer, thermal insulation layer
In, thermal insulation layer both ends are fixedly connected on the medial surface (i.e. the inner surface of the side wall of connection 5 end of outside plate) of 5 end of outside plate, described
Thermal insulation layer is used between inner panel 2 and outside plate 5 realize that the second level is heat-insulated in cavity.
As shown in Fig. 2, heat distribution pipeline 1, inner panel 2, outside plate 5 and thermal insulation layer are equal in the specific embodiment of the present embodiment
For circular tube shaped, heat distribution pipeline 1, inner panel 2, thermal insulation layer, outside plate 5 are set gradually from inside to outside, is equipped on the outside of outside plate 5 and vacuumizes interface
6。
In the present invention, because of heat distribution pipeline 1, inner panel 2, outside plate 5 and thermal insulation layer (and mentioned below first
Thermal insulation board 3 and the second thermal insulation board 4) it is circular tube shaped and constitutes sealing cavity, the medial surface that the utility model is previously mentioned, which refers to, to be leaned on
The side of the paraxial heart or the inner surface of end sidewalls, the lateral surface being previously mentioned refer to far from the side in axle center or the appearance of end sidewalls
Face, restriction are only used for facilitating description, not be construed as limiting to the utility model.
In the exemplary embodiment of the utility model, adiabatic heat-insulation device further include: supporting part 7, supporting part 7 have more
It is a, it is separately positioned on inner panel 2 and thermal insulation layer, for being supported inside adiabatic heat-insulation device.Interconnecting part 12, interconnecting part 12
It is arranged on thermal insulation layer, for by the air communication in external cavity in thermal insulation layer.It is played inside adiabatic heat-insulation device supporting part 7
Self-supporting effect, when using vacuum pump by vacuumizing interface 6 for being evacuated inside adiabatic heat-insulation device, outside plate 5 is big
Very big pressure can be undertaken under the action of atmospheric pressure, by supporting part 7 by outside plate pressure dissipation to thermal insulation layer and inner panel 2 and heat
Hydraulic piping 1 protects adiabatic heat-insulation device not to be crushed.
In the present embodiment, preferably, every layer of supporting part 7 is arranged according to certain rules, for example, etc. between
Supporting part 7 of every layer away from setting, 7 spacing of supporting part between layers are also arranged according to certain rules, such as closer to outer
The layer of boundary's atmosphere, 7 spacing of supporting part are smaller.
In the exemplary embodiment of the utility model, thermal insulation layer includes the first thermal insulation board 3 and the second thermal insulation board 4, described
The setting of second thermal insulation board 4 is equipped with cavity in the periphery of the first thermal insulation board 3 between first thermal insulation board 3 and the second thermal insulation board 4, first every
Hot plate 3 and 4 both ends of the second thermal insulation board are fixedly connected on the medial surface of 5 end of outside plate.First thermal insulation board 3 and the second thermal insulation board
The cavity that inner panel 2 and outside plate 5 are surrounded is divided into three layers of independent sub- cavity by 4, and three straton cavitys are mutual by interconnecting part 12
Connection.
In the exemplary embodiment of the utility model, supporting part 7 is equipped on the first thermal insulation board 3 and the second thermal insulation board 4.
In the exemplary embodiment of the utility model, interconnecting part is equipped on the first thermal insulation board 3 and the second thermal insulation board 4
12。
As shown in Fig. 2, in the specific embodiment of the present embodiment, the specific structure of adiabatic heat-insulation device are as follows: by interior
Inner panel 2, the first thermal insulation board 3, the second thermal insulation board 4 and outside plate 5, inner panel 2, the first thermal insulation board 3, the second thermal insulation board 4 are set gradually outside
Spaced apart between outside plate 5,5 end face of outside plate and 2 lateral surface of inner panel (i.e. outer surface) are tightly connected, outside plate 5 with it is interior
Closed cavity is formed between plate 2, the first thermal insulation board 3 and the second thermal insulation board 4, the first thermal insulation board 3 and are set in closed cavity
The end face of two thermal insulation boards 4 is fixedly attached on the medial surface of 5 end face of outside plate.The medial surface (i.e. inner surface) and thermal pipe of inner panel 2
The tube wall in road 1 is in close contact.
In the adiabatic heat-insulation device of above-mentioned heat distribution pipeline, it is preferable that inner panel 2, the first thermal insulation board 3 and the second thermal insulation board 4
Outer surface be coated with low-emissivity material.
In specific embodiment of the utility model, inner panel 2, the first thermal insulation board 3, the second thermal insulation board 4 and outside plate 5 use steel
Matter pipe, steel pipe surface can give next layer of steel tube by infra-red radiation with transmitting portions heat, cause thermal loss, therefore
The outer surface of inner panel 2, the first thermal insulation board 3 and the second thermal insulation board 5 applies low-emissivity material, can be effectively prevented between tube layer by red
External radiation carries out the conduction of heat, and low-emissivity material can be selected metal low-emissivity material, for example aluminium foil, copper foil, surface are thick
The emissivity of the lower aluminium foil of rugosity and copper foil can control within 0.1, can preferably prevent heat loss through radiation.
In the present embodiment, preferably, the outer surface of inner panel 2, the first thermal insulation board 3 and the second thermal insulation board 4 carries out
Polishing treatment.The steel tube surface roughness of polishing controls within 1 μm, and infrared emittance, can also between 0.05-0.2
Preferably prevent heat loss through radiation.
In the exemplary embodiment of the utility model, it is the part by respective plates that the supporting part 7, which is expansion joint,
Outside bulging and inverted U-shaped structure, semicircular structure or the triangular structure formed, referring to one section of plate of Fig. 1, such as inner panel 2
It bulges and forms a semicircular expansion joint.It is preferred that expansion joint is semicircular structure.
In the exemplary embodiment of the utility model, the expansion joint top on the inner panel 2 and table in the first thermal insulation board 3
Face contact connects, and connects at the top of the expansion joint on first thermal insulation board 3 with 4 inner surface of the second thermal insulation board, described second
It is connected at the top of expansion joint on thermal insulation board 4 with 5 inner surface of outside plate.The medial surface at the expansion joint top and lamina rara externa of inner plating
(i.e. inner surface) contact, due to being arc-shaped at the top of expansion joint, the way of contact is point contact, even if can also when there is slight deformation
It is considered that line contacts, therefore theoretically it is believed that contact area is zero, so negligible due to heat transfer caused by contacting.
In the exemplary embodiment of the utility model, interconnecting part 12 is through-hole.
In the exemplary embodiment of the utility model, the through-hole 12 of the first thermal insulation board 3 and the through-hole 12 of the second thermal insulation board
Face setting.
In specific embodiment of the utility model, the through-hole 12 of the through-hole 12 of the first thermal insulation board 3 and the second thermal insulation board 4 is equal
There is one, the lower section for vacuumizing interface 6 is set, in closed cavity, is set respectively on the first thermal insulation board 3 and the second thermal insulation board 4
It sets a through-hole and can be realized and all vacuumized inside closed cavity, meanwhile, in normal heat preservation, through-hole is fewer, confined air
Residual air convection current in chamber is also smaller, effectively reduces thermal convection.
In the adiabatic heat-insulation device of above-mentioned heat distribution pipeline, it is preferable that the interface 6 that vacuumizes is equipped with valve.In this reality
With in novel specific embodiment, check valve or air-stopping valve is can be selected in valve, in order to preferably prevent the infiltration of outside air,
End cover can be set vacuumizing at interface 6.
As shown in Figure 2, Figure 3 and Figure 4, in a specific embodiment of the exemplary embodiment of the utility model, inner panel
2, outside plate 5, the first thermal insulation board 3 and the second thermal insulation board 4 include multiple units, and the junction of adjacent cells is equipped with bridge cut-off machine
Structure 8, bridge cut-off mechanism 8 are used to prevent heat transfer between layers.Inside adiabatic heat-insulation device seal cavity first every
Hot plate 3 and the second thermal insulation board 4 include multiple units, it is huge to carry out being fully welded workload between multiple units, therefore using branch
Frame is supported in inside, it is only necessary to which spot welding or overlap joint are fixed；Inner panel 2 is contacted with 1 outer wall of heat distribution pipeline, is had and heat
The identical temperature of 1 outer wall of hydraulic piping, can be in inner panel 2, the first thermal insulation board 3, the second thermal insulation board 4 and outside plate according to all-metal support
Form heat bridge between 5, thermally conductive aggravation, therefore select bridge cut-off mechanism 8 prevents the formation of heat bridge while support, prevent layer with
The formation of heat bridge is between layer to prevent interlayer heat transfer, while can promote installation effectiveness.
In the exemplary embodiment of the utility model, the connection type between inner panel Unit 2 is welding, the outside plate 5
Connection type between unit is welding.
Connection type in a specific embodiment of the exemplary embodiment of the utility model, between inner panel Unit 2
For sealing welding, the connection type between outside plate Unit 5 is sealing welding, the junction of inner panel Unit 2, outside plate Unit 5
Junction be equipped with element solder point 9, implement to weld in element solder point 9, connection type is between the first thermal insulation board Unit 3
Overlap joint, the connection type between the second thermal insulation board Unit 4 are overlap joint, between outside plate 5 and the second thermal insulation board 4, the second thermal insulation board 4 with
The junction of unit between first thermal insulation board 3, between the first thermal insulation board 3 and inner panel 2 is equipped with bridge cut-off mechanism 8, bridge cut-off mechanism 8
One end is connected to the junction of a layer unit, and the other end is connected to junction (the unit company of adjacent layer and unit corresponding thereto
The place of connecing refers to the contact portion between two adjacent cells of same plate layer).
In another specific embodiment of the exemplary embodiment of the utility model, connect between the first thermal insulation board Unit 3
Connecing mode is spot welding, and the connection type between the second thermal insulation board Unit 4 is spot welding.
In the exemplary embodiment of the utility model, preferably, one layer of any cell, on adjacent layer with
Corresponding unit length having the same, therefore the unit and other layer units corresponding with the unit have and are in
Conplane unit junction, so that bridge cut-off mechanism 8 is arranged.
As shown in Figure 5, Figure 6, in the exemplary embodiment of the utility model, the bridge cut-off mechanism 8 includes: abutment 802,
Abutment 802 is fixedly connected on the junction of the adjacent cells of same plate layer, is used to support the body of a bridge 803, each bridge cut-off machine
Structure 8 includes there are two abutment 802, and described two abutments 802 are oppositely arranged on the unit junction of adjacent layer.The body of a bridge 803, bridge
Body 803 is made of heat-barrier material, and 803 both ends of the body of a bridge are respectively embedded into two abutments 802.
In the exemplary embodiment of the utility model, abutment 802 is that side is equipped with the tube being open, and the width being open
Degree is less than the diameter of tubulose abutment 802, and the astomous side of abutment 802 is welded on the adjacent cells junction of same plate layer, and two
The opening of a abutment 802 is oppositely arranged；The body of a bridge 803 is both ends thickness, the plate of intermediate thin, and the both ends of the body of a bridge 803 pass through bridge
Inside the opening insertion abutment 802 of 802 side of base.
In specific embodiment of the utility model, bridge cut-off mechanism 8 have it is multiple, interlayer annulus inner periphery arrange,
It is equipped with abutment pad 801 in the contact position of abutment 802 Yu unit junction, abutment 802 is implemented to weld in abutment pad 801
It connects, abutment 802 is made of metal material, and iron or steel alloy can be selected, and the body of a bridge 803 is both ends thickness, the plate of intermediate thin, installation
When by inside the thicker position insertion abutment 802 in both ends, the body of a bridge 803 is made of heat-barrier material, and polytetrafluoroethylene (PTFE), hard can be selected
Matter rubber or other rigid plastics.The both ends of the body of a bridge 803 cooperated with abutment 802 are arc-shaped, radian and tubulose abutment
802 match, in order to which the inside of abutment 802, and clamping are inserted into the end of the body of a bridge 803.
In specific embodiment of the utility model, preferably, heat distribution pipeline 1 diameter 1m, 95 DEG C of pipe temperature,
Subzero 20 DEG C of environment temperature, wind speed 5m/s, adiabatic heat-insulation device integral thickness is 30mm, and inner panel 2 and the thickness of outside plate 5 are
The thickness of 1mm, the first thermal insulation board 3 and the second thermal insulation board 4 is 1mm, and interfloor distance 15mm, 7 height of supporting part is 15mm, is held
7 top of support portion is arc-shaped, and interconnecting part 12 is the through-hole of diameter 8mm, and 8 whole height of bridge cut-off mechanism is 15mm, in adjacent interlayer
6 bridge cut-off mechanisms 8 of annulus circle distribution, abutment 802 in side be equipped with opening circular tube shaped, with a thickness of 1mm, diameter is
5m, opening width 1mm, 803 length of the body of a bridge are 13mm, and 803 end surface thickness of the body of a bridge is 3mm, and 803 interior thickness of the body of a bridge is 1mm.
The adiabatic heat-insulation device of the utility model has different mounting means in varied situations:
1. completely new pipeline can be installed together when factory is piped, the adiabatic heat-insulation device of the utility model is direct
It is sleeved on heat distribution pipeline 1, or in the production phase of heat distribution pipeline 1, inner panel 2 and 1 outer wall of heat distribution pipeline can be considered as one
Body directly processes the first thermal insulation board 3, the second thermal insulation board 4 and outside plate 5,1 outer wall of heat distribution pipeline, on 1 outer wall of heat distribution pipeline
One thermal insulation board 3 and the second thermal insulation board 4 are equipped with supporting part 7, and the first thermal insulation board 3 and the second thermal insulation board 4 are equipped with interconnecting part 12, outside
Plate 5, which is set, vacuumizes interface 6；
2. for installing at the scene in the heat distribution pipeline used: the pipeline that heat supply network need to be transformed is installed at the scene.
Integral installation sequence is from-inner-to-outer, first that inner panel 2 is split along longitudinal direction, is then placed on open butt weld on heat distribution pipeline 1, then
The end cap at 5 both ends of outside plate is isolated or is added annular end cap from original outside plate 5, sealing welding is on inner panel 2, inner panel 2
The contact position (junction) of unit is sealed welding, is then uniformly arranged along the circumference six in the unit contact position of inner panel 2 and breaks
Bridge mechanism 8 simultaneously fix by spot welding；Secondly, multiple units of the first thermal insulation board 3 are installed one by one, by first list of the first thermal insulation board 3
Member is split along longitudinal direction, is placed on inner panel 2 and welds opening, the bridge cut-off of first cell end and inside of the first thermal insulation board 3
Mechanism carries out spot welding and fixes, and is laid with second unit later, the contact position of second unit and first unit is welded,
And so on the multiple units of installation, the end of 3 the last one unit of the first thermal insulation board is welded with rubbing surface of end cover, first
The unit contact position of thermal insulation board 3 is along the circumferential direction uniformly arranged six bridge cut-off mechanisms and spot welding is fixed；Furthermore installation second is heat-insulated
Plate 4, method are identical with 3 installation method of the first thermal insulation board；Outside plate 5 is finally installed, multiple units of outside plate 5 are split along longitudinal direction,
Multiple units of outside plate 5 are installed one by one and carry out sealing welding, the contact position that will be close to the two pieces of outside plates 5 and end cap of end cap is close
Soldering and sealing connects.
For the different embodiments in the utility model specific embodiment, corresponding to installation method not yet
Together, in the installation method of the adiabatic heat-insulation device of another specific embodiment, between the unit of the first thermal insulation board 3, second every
The connection type that is respectively adopted that overlapped between the unit of hot plate 4, the interlayer that bridge cut-off mechanism 8 is contacted with it is using overlapped connection
Mode.Between interlayer unit, between bridge cut-off mechanism 8 and layer there are many connection types, for example hole axle cooperates, snaps connection, contacts
Engagement connection etc., is not limited only to the connection type mentioned in the utility model embodiment.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of adiabatic heat-insulation device of heat distribution pipeline, which is characterized in that the adiabatic heat-insulation device includes:
Inner panel, the inner panel is wrapped in heat distribution pipeline outer wall, and is in close contact with heat distribution pipeline outer wall；
Outside plate, the outside plate setting are equipped with cavity between inner panel periphery and inner panel, and outside plate end and inner panel are tightly connected, institute
State outside plate be equipped with vacuumize interface；
Thermal insulation layer, the thermal insulation layer are arranged in the cavity between inner panel and outside plate, and thermal insulation layer both ends are fixedly connected with outside plate end
Medial surface on, the thermal insulation layer for realized in cavity between inner panel and outside plate it is heat-insulated.
2. the adiabatic heat-insulation device of heat distribution pipeline as described in claim 1, which is characterized in that the adiabatic heat-insulation device also wraps
It includes:
Supporting part, the supporting part have multiple, are separately positioned on inner panel and thermal insulation layer, for inside adiabatic heat-insulation device into
Row support；
Interconnecting part, the interconnecting part are arranged on thermal insulation layer, for external cavity in thermal insulation layer to be connected to.
3. the adiabatic heat-insulation device of heat distribution pipeline as claimed in claim 2, which is characterized in that the thermal insulation layer include first every
Hot plate and the second thermal insulation board, second thermal insulation board setting in the first thermal insulation board periphery, the first thermal insulation board and the second thermal insulation board it
Between be equipped with cavity, the first thermal insulation board and the second heat-insulated board ends are fixedly connected on the medial surface of outside plate end.
4. the adiabatic heat-insulation device of heat distribution pipeline as claimed in claim 3, which is characterized in that first thermal insulation board and second
Supporting part is equipped on thermal insulation board；Interconnecting part is equipped on first thermal insulation board and the second thermal insulation board.
5. the adiabatic heat-insulation device of heat distribution pipeline as claimed in claim 4, which is characterized in that the inner panel, the first thermal insulation board
It is coated with low-emissivity material with the outer surface of the second thermal insulation board, or to the inner panel, the first thermal insulation board and the second thermal insulation board
Outer surface be processed by shot blasting.
6. the adiabatic heat-insulation device of heat distribution pipeline as claimed in claim 4, which is characterized in that the supporting part is expansion joint；
It is connected at the top of expansion joint on the inner panel with the first thermal insulation board inner surface, the expansion joint on first thermal insulation board
Top and the second thermal insulation board inner surface connect, and contact company with outside plate inner surface at the top of the expansion joint on second thermal insulation board
It connects；
The interconnecting part is through-hole；
The through-hole of first thermal insulation board and the through-hole face of the second thermal insulation board are arranged；
The interface that vacuumizes is equipped with valve.
7. the adiabatic heat-insulation device of heat distribution pipeline as claimed in claim 3, which is characterized in that the inner panel, outside plate, first heat-insulated
Plate and the second thermal insulation board include multiple units, and the junction of adjacent cells is equipped with bridge cut-off mechanism, and the bridge cut-off mechanism is used for
Prevent heat transfer between layers.
8. the adiabatic heat-insulation device of heat distribution pipeline as claimed in claim 7, which is characterized in that between the adjacent cells of the inner panel
Connection type be welding, the connection type between the adjacent cells of the outside plate is welding.
9. the adiabatic heat-insulation device of heat distribution pipeline as claimed in claim 7, which is characterized in that the bridge cut-off mechanism includes:
Abutment, the abutment are fixedly connected on the junction of adjacent cells, are used to support the body of a bridge；Each bridge cut-off mechanism is equal
Including there are two abutment, described two abutments are oppositely arranged on the unit junction of adjacent layer；
The body of a bridge, the body of a bridge are made of heat-barrier material, and body of a bridge both ends are respectively embedded into two abutments.
10. the adiabatic heat-insulation device of heat distribution pipeline as claimed in claim 9, which is characterized in that the abutment is equipped with for side and opens
The tube of mouth, the astomous side of abutment are welded on adjacent cells junction, and the opening of described two abutments is oppositely arranged；Institute
Stating the body of a bridge is plate, and the both ends of the body of a bridge are embedded in inside abutment by the opening of abutment side.
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| CN201820914715.1U CN208348805U (en) | 2018-06-13 | 2018-06-13 | The adiabatic heat-insulation device of heat distribution pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548054A (en) * | 2018-06-13 | 2018-09-18 | 国电龙源节能技术有限公司 | The adiabatic heat-insulation device of heat distribution pipeline |
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2018
- 2018-06-13 CN CN201820914715.1U patent/CN208348805U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548054A (en) * | 2018-06-13 | 2018-09-18 | 国电龙源节能技术有限公司 | The adiabatic heat-insulation device of heat distribution pipeline |
| CN108548054B (en) * | 2018-06-13 | 2023-11-03 | 国能龙源蓝天节能技术有限公司 | Heat insulation device of heating pipeline |
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