CN205877596U

CN205877596U - Multi -functional compound incubation layer

Info

Publication number: CN205877596U
Application number: CN201620559671.6U
Authority: CN
Inventors: 韩松
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-06-12
Filing date: 2016-06-12
Publication date: 2017-01-11
Anticipated expiration: 2026-06-12

Abstract

The utility model provides a multi -functional compound incubation layer, including pipeline or equipment base member, at least for the heat preservation more than the one deck, at least for playing more than the one deck absorb the inflation, support the effect of not collapsing of whole insulation construction interior protective layer and at least for having of the high temperature resistant emissive material more than the one deck anticorrosive, hold one's breath, reduce metal material coefficient of heat transfer, coefficient of heat conductivity, keep apart pipe -hanger's heat -conduction, cold and hot bridge and improve the isolation layer of the effect of thermal shielding barrier, wherein, pipeline or the equipment base member outside is attached in proper order to have isolation layer, interior protective layer, a heat preservation, interior protective layer, heat preservation composite use interact, and the heat dissipation of NULL in order to solve radiation, conduction, convection current, every layer seam crossing staggers with implementation structure's no convection two adjacent layer selection different materials mutually. The utility model discloses a multi -functional compound incubation layer has solved the heat dissipation's of radiation, conduction, convection current problem.

Description

A kind of multi-functional composite heat-insulating layer

Technical field

This utility model relates to pipeline and insulation of equipment field, in particular to a kind of multi-functional composite heat-insulating layer.

Background technology

Nowadays, steel mill, power plant, petrochemical plant and many manufacturing enterprises are numerous due to the pipeline on process units, Therefore pipeline is taked good Insulation not only have energy-saving and cost-reducing realistic meaning, and can also reduce raw from source Produce cost, thus reach the purpose of energy-saving and emission-reduction.When selecting pipe insulation material, in addition to considering the heat conductivity of material, also It is considered as the indexs such as the water absorption rate of material, combustibility, intensity.

In prior art, pipe insulation mainly uses traditional single heat accumulating type material such as rock wool, alumina silicate fibre, single Structure not only heat-insulating property is poor, and heat loss is relatively big, and such structure is under using after 1-2 heat insulation effect rapidly Fall, heat-insulation layer hull-skin temperature gradually rises, and heat loss is very serious, so not only increases production cost, and adds The loading of device, also can there is potential safety hazard in process units longtime running in this case.

In view of this, special proposition this utility model.

Utility model content

The purpose of this utility model is to provide a kind of multi-functional composite heat-insulating layer, and this complex heat-preservation Rotating fields passes through will While sealing coat, heat-insulation layer, inner protective layer carry out compound use, solve the radiation loss of radiation, conduction, convection current, simultaneously Ensure area of dissipation and the radiation loss of integral insulation construction minimum, and ensure that the material carried in the duct will not exosmose The insulation material of outer layer is had any impact, reduces metal material heat transfer coefficient, heat conductivity, the heat of isolation pipe-hanger support Conduction, cold-heat bridge, and use the fissure of displacement structure of uniqueness to reach preferably to protect without heat loss through convection to realize insulation construction when mounted Temp effect, makes the service life of heat-insulation layer, heat insulation effect be significantly improved, it is ensured that minimum radiation loss, for enterprise Heat power equipment, pipeline provide preferably protection, and the fuel consumption reducing enterprise has saved the expense of frequent replacing insulation material With, also saving the production time simultaneously, improve production efficiency, application the most widely, both can use on pipeline and also might be used To carry out isothermal holding use on the equipment such as valve.

In order to realize above-mentioned purpose of the present utility model, spy by the following technical solutions:

This utility model provides a kind of multi-functional composite heat-insulating layer, including pipeline or equipment matrix, at least one layer Above heat-insulation layer, the inner protective layer of at least more than a layer are to play absorption expansion, to support what integral insulation construction did not caved in The sealing coat of effect and the high temperature resistant emissive material of at least more than a layer is to have anticorrosion, to hold one's breath, reduce metal material biography Hot coefficient, heat conductivity, the isolation conduction of heat of pipe-hanger support, cold-heat bridge and the effect of raising thermodynamic barrier；

Wherein, sealing coat, inner protective layer, heat-insulation layer, inner protective layer, insulation it are pasted with outside pipeline or equipment matrix successively Layer compound use interacts, and alternately arranged to solve radiation, conduction, the radiation loss of convection current, the seam crossing of every layer is staggered mutually Open to realize structure without heat loss through convection, adjacent two layers selects different materials.

So-called high-temperature pipe refers to carry metal (other exotic material) the heat enginnering pipeline of High Temperature High Pressure, this pipe Road is the most common in steel mill, power plant, petrochemical plant and many manufacturing enterprises, applies widely, just because of it uses Frequency is high, and the heat-insulating property that the most how can conscientiously improve utilidor itself becomes the research side that current field is important To, in prior art, pipe insulation mainly uses traditional single heat accumulating type material such as rock wool, alumina silicate fibre, and single structure is not Only heat-insulating property is poor, and heat loss is relatively big, and such structure heat insulation effect dramatic decrease after using 1-2, insulation Layer hull-skin temperature gradually rises, and heat loss is very serious, so not only increases production cost, and adds the negative of device Lotus amount, also can there is potential safety hazard in process units longtime running in this case, therefore utility model one good heat insulating, The composite heat-insulating layer of the little low cost again of heat loss is technical problem the most urgently to be resolved hurrily.

And in prior art, not about to needing the medium in the pipeline of isothermal holding or equipment to do at any isolation The correlation technique of reason, can be easy to, so that the material in pipeline or equipment exosmoses, especially carry if not doing isolation processing When material is high-temperature water vapor, the steam that throughout the year accumulates over a long period can ooze out the insulation construction to outside by pipeline and cause the tightest The corrosion failure of weight, has a strong impact on the service life of insulation construction itself.

Therefore, this utility model is in order to solve many technical problems present in prior art, and this utility model provides The multi-functional composite heat-insulating layer of a kind of novel structure, is coated with sealing coat, inner protective layer, guarantor successively in the outside of pipeline matrix Temperature layer, and the seam crossing of every layer needs to be staggered mutually, does not also have any relevant report, wherein in this structure prior art Inner protective layer, except having absorption linear expansion, prevents between pipeline and material outside the effect of mutual extrusion and collision, it is also possible to protect Card heat-insulation layer maintains certain low heat transfer coefficient, heat conductivity, reduces area of dissipation and radiation loss, prior be permissible Play the whole insulation construction of support not cave in, conscientiously extend the effect in insulation construction service life.Even if high-temperature pipe, high temperature set Standby process operation temperatures interval changes greatly, it is also ensured that have good heat insulation effect, the additionally seam of inner protective layer Locate the seam crossing with heat-insulation layer to need to be staggered mutually, but this is the most small through commonly overlooked ring during practice of construction Joint, this utility model is possible to prevent heat loss through convection with the unnecessary heat loss caused by limiting such structure, thus increases Strong heat-insulating property.

Wherein inner protective layer be ceramic fibre, containing pick fiber, crystal fibre, aeroge, aluminium silicate, rock wool, calcium silicates, many Solidifying foam glass, thermodynamic barrier launch the one of which in the inner protective layer of glass, foam glass, emissive material, both can be soft Material can also be hard material, has certain heat insulating effect, and the thickness of inner protective layer has certain control Scope, preferably between 2-150mm, more excellent for 6-20mm, it is also possible to for 15mm, 25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 80mm etc., inner protective layer the most also has the effect of decompression damping, and be possible to prevent pipeline shakes the heat-insulation layer to outer layer Have an impact, the thickness of certain inner protective layer unsuitable blocked up, also should not be the thinnest because thickness does not reaches may not have shockproof decompression And the certain heat transfer coefficient of heat-insulation layer outside maintaining, the effect of heat conductivity, thickness the thickest the most uneconomical also can increase scattered The long-pending burden with high-temperature pipe itself of hot side, reduces the safety of manufacturing enterprise, it is therefore desirable to suitable according to concrete Operating condition adjustment Thickness, but in the range of being preferably controlled in the suitable depth of above-mentioned requirements.Inner protective layer is typically selected has resistance to elevated temperatures Heat-insulating heat-preserving material as protective layer.Utilize soft material as between hard material and matrix, hard material and hard material Protective layer between material absorbs the integrity of linear expansion protection material.Medium temperature material high temperature resistant according to equipment pipe Performance dispoal choice protective layer material, the protective layer material of dispoal choice should ensure that protective layer material and structure under the high temperature conditions Complete.

Except inner protective layer, heat-insulation layer is ceramic fibre, containing pick fiber, crystal fibre, aeroge, aluminium silicate, rock wool, silicon Acid calcium, coagulate more foam glass, thermodynamic barrier launch glass, foam glass, emissive material heat-insulation layer in one of which, rock wool, Although calcium silicates, aluminium silicate heat-insulation layer heat loss are bigger, but also may be used by use of arranging in pairs or groups mutually with the protective layer of suitable depth Ensure certain low thermal conductivity, and aeroge protective layer and many solidifying foam glass heat-insulation layers itself have good heat insulating ability Can, the hydrophobicity performance of especially many solidifying foam glass heat-insulation layers itself is preferable with activity, and heat conductivity is low, and emissivity is high, the most right Requirement with its supporting protective layer is the most relative the highest, needs to adjust collocation according to practical situation and uses, side of the present utility model In case, each of announcement inner protective layer and heat-insulation layer all can be arranged in pairs or groups mutually uses, do not have specific requirement, flexible operation, needs It is adjusted according to actual condition.It addition, the thickness of heat-insulation layer is preferably controlled in certain scope, the THICKNESS CONTROL of heat-insulation layer At 2-200mm, more excellent control is at 50-150mm, it is also possible to for 35mm, 40mm, 60mm, 80mm, 90mm, 100mm, 120mm Deng, the reason that THICKNESS CONTROL is suitable is that thickness does not reaches the effect that may affect insulation, and thickness is the thickest the most uneconomical also can Increase the burden of high-temperature pipe itself, increase area of dissipation, reduce the safety of manufacturing enterprise, it is therefore desirable to according to concrete operating mode Adjust suitable thickness, but in the range of being preferably controlled in the suitable depth of above-mentioned requirements.Inner protective layer is collaborative with heat-insulation layer to be made By the effect jointly reaching insulation.Choosing of heat-insulation layer is according to temperature between inner protective layer and heat-insulation layer and heat-insulation layer step temperature The heat conductivity of degree, heat transfer coefficient, damage with farthest minimizing composite heat-insulating layer volume and reduction area of dissipation and heat radiation Lose, to protect the heat conductivity of next layer, heat transfer coefficient.And prior art commonly twines the measure area of dissipation of rock wool heat-preservation Greatly, parcel insulation material is more thick and heavy, can only play the effect of certain anti-scald, not reach energy conservation standard completely.

The material of sealing coat needs for high temperature resistant emissive material, select the sealing coat of this material be attached directly to pipeline or The outside of equipment matrix, thus there is anticorrosion, hold one's breath and improve the effect of thermodynamic barrier, select this material to exist as sealing coat Belonging to pioneering in this area, layer of typically holding one's breath of the prior art is not likely to be breached such effect, it is impossible to fundamentally Realization is held one's breath antiseptical function, but utility model people of the present utility model finds the isolation of this material by substantial amounts of practice Layer can well realize isolating material, antiseptical effect so that outside insulation construction will not be produced by the material of conveying appoints What impact, the gross thickness of sealing coat of the present utility model is preferably controlled between 1-100mm, between preferably 10-80mm, it is also possible to Selecting 20mm, 30mm, 40mm, 50mm, 60mm etc., sealing coat is segmented into 1-5 layer and not etc. does not attaches, but thickness should not be too Thickness, controls not interfere with the application performance of follow-up insulation construction in suitable thickness, the normal direction total emissivity of described sealing coat It is preferably controlled between 0.8-0.99.Further, hold one's breath effect to improve anticorrosion, can first sealing coat be coated on steel plate (steel The thickness of plate is 0.5-1.5mm) on, then it is wrapped in the outside of pipeline or equipment matrix to strengthen the effect that anticorrosion is held one's breath.

It addition, in the outside of the inner protective layer farthest apart from described pipeline or equipment matrix, be accompanied by external protection, outer guarantor Sheath is external protection or the external protection of resin material of metal material, if heat-insulation layer and inner protective layer are designed to work as, outward Protective layer can alleviate the weight of high-temperature pipe itself preferably with the external protection of resin material, the external protection of resin material Amount, reduces the heavy burdens, and the external protection of metal material is then easier heat radiation, and heat-insulating property is the best, but universal in prior art High-temperature pipe outermost layer all be use metal material external protection because the best waste heat spread out of of heat-insulating property can damage tree The external protection of fat material.But, utilizing the composite heat-insulating layer of this structure of this utility model, outermost external protection is complete The external protection of resin material can be used, because this utility model this composite heat-insulating layer structural thermal insulation performance is good, heat loss Little, occur thus without the impaired situation of the external protection having resin material.External protection of the present utility model can be also tool Having the external protection that phase transformation effect makes, its radiating rate is less than outermost inner protective layer, the radiating rate of heat-insulation layer.Outer guarantor Sheath have anticorrosion, attractive in appearance, also have reduction radiating rate, the effect of absorbing sound and lowering noise.

Preferably, sealing coat of the present utility model is except being directly attached on pipeline or equipment matrix, it is also possible to protect outside The inside and outside wall of layer has anticorrosion with at least more than one layer, holds one's breath, reduces metal material heat transfer coefficient, heat conductivity, isolates The sealing coat of the effect of the conduction of heat of pipe-hanger support, cold-heat bridge and raising thermodynamic barrier, it is also possible at this as hard material Heat-insulation layer, inner protective layer inwall on one layer of sealing coat, what the enforcement of these modes can expand sealing coat own should By scope, and waterproof effect can also be played.When external protection needs splicing, between plate and plate, use the waterproof material of high temperature Material seals, resin material seals or high temperature waterproof adhesive tape, longitudinal, special-shaped sealing ring annular, horizontal, and sealing strip, sealing gasket is close Envelope processes, between the relatively easy plate slided preferably with adhesive tape, use general marine glue also may can there is plate The phenomenon slided is there is between block.The mode of splicing can include that insertion slot type connects, dock connects, bridging type connects, double buckle One of which in formula connection, bonded connection.The mode of sealing coat coating can be appointing of spraying, brushing and melt surface A kind of mode of meaning, after so-called melt surface refers to first be melted by clad can be coated, remelted, then after spraying or brushing sealing coat Temperature fall is dried, and this mode can be by sealing coat more closely with to be coated compared with the mode of first two brushing and spraying Clad can combines, difficult drop-off.

Noticeable being, heat-insulation layer is spliced to form by some heat insulation tiles, plate, blanket, felt, block, heat insulation tile, Connection between plate, blanket, felt, block include insertion slot type connect, dock connect, bridging type connect, primary and secondary button connect, bonded One of which in connection.For the ease of installing, heat-insulation layer itself cuts into some watts or plate or then block splices, and To carry out cutting into two semicircles or multiple arcuation according to the size of utilidor, then with insertion slot type, dock, bridging type, Primary and secondary button, bonded carry out install docking, so install dock after can ensure that there is no any space, it is to avoid showing of heat loss As occurring, to ensure to carry out the fissure of displacement with ectonexine during concrete installation, to prevent heat loss through convection, this heat insulation tile of this utility model, Splicing construction between plate is not have any record in prior art, only could obtain with reference to the technical solution of the utility model To implement, by realizing utility model purpose of the present utility model.

Same, inner protective layer is desirably also and is spliced by some protections watt, plate, blanket, felt, block, described protection watt, Connecting method between plate, blanket, felt, block includes that insertion slot type connects, dock connects, bridging type connects, primary and secondary button connects, glues One of which in eliminant connection.

Preferably, this utility model also includes fastened layer annular, spiral, and described fastened layer is attached at described protective layer And/or the outside of heat-insulation layer is to play fastening effect.

Preferably, complex heat-preservation Rotating fields of the present utility model also includes coordinating inner protective layer to support integral insulation construction not Collapse Deformation, because material moisture absorption or material itself are containing moisture, the waterproof layer of making, protection adjacent layer and integral insulation construction are not Impacted, the waterproof layer use persistence with raising heat-insulation layer is preferably made when heat-insulation layer needs waterproof, described waterproof layer is tight Paste the outer wall of described heat-insulation layer, described waterproof layer include water-repellent paint, the waterproof layer of resin material, waterproof weave cotton cloth waterproof layer, One of which in the waterproof layer of metal material.

Finally, may also include the emission layer for improving thermodynamic barrier effect, described emission layer is close to described pipeline matrix, And/or described emission layer is arranged between described inner protective layer and described heat-insulation layer, and/or described emission layer is arranged at distance institute State between the farthest inner protective layer of pipeline matrix and described external protection.Emission layer itself has certain emissivity, can solve The certainly thermal-radiating problem of high-temperature pipe, can be coated with one layer of material with emissivity during concrete operations or cladding emissive material is equal Can.It specifically arranges position also the most flexibly, combines actual process operation temperature according to concrete operating mode, is adjusted.According to institute The emissivity reasonable Arrangement emission layer of material selection can solve the radiant heat loss of equipment pipe.Emission layer has full method and sends out mutually Penetrate between rate 0.80-0.99.The heat-preserving range of multi-functional composite heat-insulating layer controls between-273～1350 DEG C.

It addition, inner protective layer, heat-insulation layer, there is the emission layer heat transfer system according to material step temperature of thermodynamic barrier effect Number, heat conductivity, full method phase emissivity reasonable Arrangement protect the material property of next layer, maximum solution can radiate, conduct Radiation loss, reduces insulation construction volume and reduces outermost area of dissipation.Inner protective layer, heat-insulation layer, there is thermodynamic barrier effect Emission layer every layer between rub with the hands seam install, between the material of hard or blanket type insulation and material select insertion slot type be connected, right Connecing the one of which in formula connection, dock bonding link, bridging type connection, the connection of primary and secondary button, bonded connection, it is right to solve The loss of flow heat dissipation.

This utility model needs to consider following several respects when whole complex heat-preservation Rotating fields is carried out rational deployment Content: 1. medium temperature；2. the convection heat transfer' heat-transfer by convection of material itself during high temperature；3. shape when equipment and the vibrations of pipeline and variations in temperature Become；4. use the material deformation when variations in temperature；5. emission layer, protective layer, the structure of heat-insulation layer are arranged as lower layer of material Consider optimal performance；6. the thickness of every layer material；7. the resistance to elevated temperatures of material；8. the heat transfer coefficient of step temperature, heat conduction Coefficient；9. the full normal emittance of step temperature；10. the performance that moistureproof and waterproof anticorrosion is held one's breath；11. thawings circulate quality of materials Impact；12. outermost minimum heat areas, radiation loss, moistureproof and waterproof anticorrosion, absorbing sound and lowering noise；13. overall heat-transfer coefficients； 14. support fixing equipment and the conduction of heat of pipe-hanger support and cold-heat bridge；15. ensure integrally-built integrity；16. Compound Fabric Put the energysaving effectiveness of use.Only comprehensively examine after taking into full account these several respects when carrying out practice of construction operation After amount, can carry out building complex heat-preservation Rotating fields rather than the most careless carrying out selects just to draw scheme.

To sum up, preferably a kind of embodiment of this utility model can be: three layers of inner protective layer, two layers of heat-insulation layer, one layer Sealing coat, is followed successively by pipeline matrix, sealing coat, inner protective layer, heat-insulation layer, inner protective layer, heat-insulation layer, inner protective layer, interior protection Being surrounded by external protection outside Ceng again, this embodiment can meet the high temperature of arbitrary temp requirement (-273～1350 DEG C) substantially Equipment and pipeline, belong to concrete and install operation more preferably a kind of mode of operation of time ratio.More excellent embodiment is in three layers On the basis of protective layer, two-layer heat-insulation layer, the outside being close to pipeline matrix arranges one layer of emission layer again, to solve thermal-radiating asking Topic, so so that heat-insulating property reaches optimal.

Wherein, protective layer material includes: ceramic fibre, containing pick fiber, crystal fibre, aeroge, silicate, aluminium silicate, Rock wool.

Heat-insulation layer material includes: aeroge, silicate, aluminium silicate, rock wool, calcium silicates, coagulates foam glass more, coagulate foam more Glass, aeroge.

Emissive layer materials includes: high-emissivity material etc..

It addition, multi-functional composite heat-insulating layer of the present utility model also includes the interior suspension and support for fixing support, props up outward Suspension bracket, interior suspension and support is arranged at pipeline or the bottom of equipment matrix or top for fixed support tube road or equipment matrix, props up outward Suspension bracket is arranged at the bottom of described composite heat-insulating layer or top and hangs with outer for the whole insulation construction of fixing support, interior suspension and support The bolt-through using adjustable distance between frame is fixed, and the nut being positioned at bolt both sides sinks into suspension and support respectively, outer propping up is hung The inside of frame, so ensure that nut will not contact to reach with suspension and support heat insulation effect.

In order to improve the effect of heat-insulation and heat-preservation further, preferably with heat insulating material filling between interior suspension and support and outer suspension and support Filling and isolate to prevent conduction of heat and cold-heat bridge, also the bolt sleeve on bolt, bolting pad, obstruction are preferably also and use insulation material Material.

If treating that heat-preserving equipment is abnormally-structured, in order to improve heat insulation effect, outside needing according to equipment pipe suspension and support Shape structure fabrication becomes the coat of more than a layer, and heat-insulation layer can not directly be coated on outside, otherwise has meeting in the case of space Affect heat insulation effect.

Prior art is compared, and the beneficial effects of the utility model are:

1) the complex heat-preservation Rotating fields of this utility model embodiment is by carrying out compound use by heat-insulation layer and inner protective layer While, and using the fissure of displacement structure of uniqueness to achieve heat insulation effect well when mounted, heat-insulation layer uses durability degree to obtain Being obviously improved, heat loss is little；

2) this specific heat insulation layer structure of this utility model has the relatively low heat transfer coefficient of step temperature, heat conductivity, Solve conduction of heat, heat radiation and the problem of thermal convection current three aspect simultaneously, reduce area of dissipation, radiation loss, omnibearing Ensure that heat insulation effect, this complex heat-preservation Rotating fields the most still belongs to pioneering, either with or without any record in prior art, Should vigorously promote the use, provide a kind of soluble approach for the insulation problem of manufacturing enterprise, low cost, easy to use, Persistence is high.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the required accompanying drawing used is briefly described in description of the prior art.

Fig. 1 is every Rotating fields figure of the multi-functional composite heat-insulating layer of this utility model embodiment one；

Fig. 2 is the docking structure figure between the heat insulation tile in the composite heat-insulating layer of this utility model embodiment one；

Fig. 3 is every Rotating fields figure of the multi-functional composite heat-insulating layer of this utility model embodiment two；

Fig. 4 is the docking structure figure between the warming plate in the composite heat-insulating layer of this utility model embodiment two；

Fig. 5 is the structure chart of the inside and outside suspension and support of the multi-functional composite heat-insulating layer of this utility model embodiment two；

Reference:

101-pipeline or equipment matrix；102-inner protective layer；

103-heat-insulation layer；104-external protection；

105-emission layer；106-sealing coat；

Suspension and support in 107-；The outer suspension and support of 108-；

109-bolt；110-nut；

111-bolt sleeve, obstruction.

Detailed description of the invention

Below in conjunction with embodiment, embodiment of the present utility model is described in detail, but those skilled in the art It will be appreciated that the following example is merely to illustrate this utility model, and it is not construed as limiting scope of the present utility model.Embodiment In unreceipted actual conditions person, the condition advised according to normal condition or manufacturer is carried out.Agents useful for same or the unreceipted life of instrument Producing manufacturer person, being can be by the commercially available conventional products bought and obtain.

Embodiment 1

Shoudu Iron and Steel Co steel-making RH stove superheat steam pipeline insulation improvement project, caliber DN325, length 906m, medium temperature 285 DEG C, it is as follows that step is implemented in experiment:

1, it is close to pipeline or equipment matrix 101 installs the sealing coat 106 of one layer of high temperature resistant emissive material, then install one layer and contain The inner protective layer 102 of pick fibrous material, the THICKNESS CONTROL of inner protective layer is at 12mm, and the THICKNESS CONTROL of sealing coat is at 1mm；

2, installing full normal emittance according to the temperature between inner protective layer and heat-insulation layer selects thermodynamic barrier to launch glass Emission layer 105, thickness is 50mm, cuts into multiple heat insulation tile according to the surface configuration of heat power equipment and pipeline, is mutually lapped formula Connect；

3, one layer of pottery fibre is installed in the outside being close to the emission layer 105 that full normal emittance selects thermodynamic barrier to launch glass again The inner protective layer 102 of dimension material, thickness is 6mm；

4, according to the hull-skin temperature of preceding layer, then installing many solidifying foam glass adiabator heat-insulation layers 103, thickness is 50mm；

5, installing the inner protective layer 102 of one layer of fibrous material again, thickness is 20mm；

6, the outermost layer of inner protective layer uses metallic aluminium skin external protection 104 to be coated with, seam crossing between layers The fissure of displacement that is staggered mutually is installed to realize without heat loss through convection.

Embodiment 2

30WM Main Steam Pipeline of Unit insulation improvement project, caliber DN325, length 170m, medium temperature 545 DEG C, experiment Implement step as follows:

1, it is close to pipeline or equipment matrix 101 installs the sealing coat 106 of high temperature resistant emissive material, then crystal fibre is installed Inner protective layer 102, the THICKNESS CONTROL of inner protective layer is hot to absorb as the protective layer between pipeline matrix and heat-insulation layer at 12mm Expand and reduce pressure damping, supports integral insulation construction and does not caves in, with protective conduit matrix and heat-insulation layer, the THICKNESS CONTROL of sealing coat It is divided into three layers of brushing at 100mm；

2, according to the hull-skin temperature of ground floor inner protective layer 102, then the heat-insulation layer 103 of one layer of calcium silicates material is installed, The THICKNESS CONTROL of heat-insulation layer, at 50mm, cuts into multiple warming plate, mutual slot according to the surface configuration of heat power equipment and pipeline Formula connects；

3, it is close to calcium silicates internal layer adiabator heat-insulation layer 103 and one layer of inner protective layer 102 containing zirconium fibrous material is installed again, Thickness is 10mm；

4, according to the hull-skin temperature of third layer, the heat conductivity of the step temperature of insulation material installs calcium silicates material again Heat-insulation layer 103, thickness is 50mm, the waterproof layer of the outside of heat-insulation layer cladding metal material；

5, installing one layer of inner protective layer 102 containing zirconium fibrous material again, thickness is 10mm；

6, the external protection 104 that the outermost layer of inner protective layer uses high temperature resistant resin board to make is coated with, layer and layer it Between seam crossing be staggered mutually the fissure of displacement install with realize without heat loss through convection, each layer is both needed to add fastened layer and carries out fastening process.

7, in order to play consolidation effect, the bottom of pipeline or equipment matrix 101 is provided with interior suspension and support 107, external protection The bottom of 104 is provided with outer suspension and support 108, uses bolt 109 to run through fixing, be positioned at bolt between interior suspension and support and outer suspension and support The nut 110 of both sides sinks into interior suspension and support 107, the inside of outer suspension and support 108 respectively, best between interior suspension and support and outer suspension and support Using filled thermal insulation materials, also the bolt sleeve 111 on bolt, bolting pad, obstruction are insulation material material.

Embodiment 3

The Temple of Moon UNICOM of heating power Group Co., Ltd of Beijing line main line improvement project, caliber DN720, length 3920m, medium Temperature 103 DEG C, it is as follows that step is implemented in experiment:

1, it is close to pipeline or equipment matrix 101 installs the sealing coat 106 of high temperature resistant emissive material, then the interior of aeroge is installed Protective layer 102, the THICKNESS CONTROL of inner protective layer at 2mm using as the protective layer absorbing thermal expansion between pipeline matrix and heat-insulation layer And damping of reducing pressure, support integral insulation construction and do not cave in, with protective conduit matrix and heat-insulation layer, the THICKNESS CONTROL of sealing coat exists 80mm is divided into two-layer to invest pipeline or equipment matrix surface by the way of melt surface；

2, according to the hull-skin temperature of ground floor inner protective layer 102, then the heat-insulation layer of one layer of foam glass material is installed, protects The THICKNESS CONTROL of temperature layer is at 40mm；

3, the external protection 104 that the outermost layer of inner protective layer uses high temperature resistant resin board to make is coated with, external protection Inner-wall spraying have sealing coat thick for one layer of 10mm for waterproof, the fissure of displacement that is staggered mutually of seam crossing between layers is installed with reality Now without heat loss through convection, each layer is both needed to add fastened layer and carries out fastening process, and external protection cuts into multiple plate, adopts between plate By waterproof adhesive tape or marine glue encapsulation process.

Embodiment 4

Jing Tang company cold rolling portion bell furnace improvement project, medium temperature 1250 DEG C, it is as follows that step is implemented in experiment:

1, be close to pipeline or equipment matrix 101 install the sealing coat 106 of one layer of high temperature resistant emissive material, then install one layer resistance to High-temperature coatings spraying formed inner protective layer 102, the THICKNESS CONTROL of inner protective layer at 10mm using as pipeline matrix and heat-insulation layer Between protective layer absorbing thermal expansion and damping of reducing pressure, with protective conduit matrix and heat-insulation layer, the THICKNESS CONTROL of sealing coat exists 10mm invests pipeline or equipment matrix surface by the way of spraying；

2, according to the hull-skin temperature of ground floor inner protective layer 102, then one layer of heat-insulation layer containing zirconium Fiber Materials is installed 103, the THICKNESS CONTROL of heat-insulation layer 103, at 150mm, cuts into multiple warming plate according to the surface configuration of heat power equipment and pipeline, Formation adhered to one another；

4, according to the hull-skin temperature of third layer, one layer of heat-insulation layer containing zirconium Fiber Materials, the thickness control of heat-insulation layer are installed Make at 200mm, cut into multiple warming plate, formation adhered to one another according to the surface configuration of heat power equipment and pipeline, utilize containing zirconium Multiple modules insulation formed protect next layer；

5, installing the inner protective layer 102 of one layer of aerogel material again, thickness is 10mm；

6, the outermost layer of inner protective layer uses the external protection 104 of 310S high temperature resistant stainless steel to be coated with, layer and layer it Between seam crossing be staggered mutually, the fissure of displacement install with realize without heat loss through convection, each layer is both needed to add fastened layer and carries out fastening process.

In above example, inner protective layer, heat-insulation layer are respectively provided with effect of insulation, and therefore on gauge, both are can With exchange.

Embodiment 5

Unicom pipeline improvement project made steel by Shoudu Iron and Steel Co 1.2, caliber DN377, length 1300m, medium temperature 210 DEG C, and experiment is real Execute step as follows:

1, it is close to pipeline or equipment matrix 101 installs the inner protective layer 102 of one layer of aeroge, the THICKNESS CONTROL of inner protective layer At 12mm；

2, according to the surface temperature of inner protective layer 102, the biography of the step temperature of insulation material, heat conductivity, full method is installed Selecting thermodynamic barrier to launch the emission layer 105 of glass to emissivity, the THICKNESS CONTROL of emission layer is taken at 60mm, shell or shoe monolayer Connect the fissure of displacement between protective layer and (needing fastening) is installed；

3, outermost layer uses the external protection 104 that fire resistant resin sheet material makes, compared to traditional galvanized iron sheet, aluminum skin Maximum reduces radiation loss.

Embodiment 6

Jing Tang company 30WM unit reheat steam pipeline modification engineering, caliber DN325, length 170m, medium temperature 545 DEG C, it is as follows that step is implemented in experiment:

1, it is close to pipeline or equipment matrix 101 installs the inner protective layer 102 of one layer of polycrystalline fibre material, the thickness of inner protective layer Degree controls at 12mm, to protect heat transfer coefficient and the heat conductivity of heat-insulation layer；

2, according to the hull-skin temperature of ground floor inner protective layer 102, then the heat-insulation layer 103 of one layer of aluminium silicate material is installed, The THICKNESS CONTROL of heat-insulation layer, at 50mm, cuts into multiple warming plate, mutual slot according to the surface configuration of heat power equipment and pipeline Formula connects, and utilizes the heat-insulating property of aluminium silicate to protect next layer；

3, installing one layer of inner protective layer 102 containing pick fibrous material again, the THICKNESS CONTROL of inner protective layer is at 10mm；

4, according to the hull-skin temperature of last layer, then the heat-insulation layer 103 of one layer of aluminium silicate material is installed, the thickness of heat-insulation layer Control at 30mm, utilize the heat-insulating property of aluminium silicate to protect next layer；

5, installing the inner protective layer 102 of one layer of ceramic fibre material again, the THICKNESS CONTROL of inner protective layer is at 5mm；

6, according to the surface temperature of last layer, the heat conductivity of the step temperature of insulation material selects the insulation of rock wool material Layer 103, the thickness of heat-insulation layer is 50mm；

7, installing the inner protective layer 102 of one layer of ceramic fibre material again, the THICKNESS CONTROL of inner protective layer is at 5mm；

8, according to the surface temperature of last layer, the heat conductivity of the step temperature of insulation material selects the insulation of rock wool material Layer 103, the thickness of heat-insulation layer is 30mm；

9, the waterproof layer that glass wool cloth, fire resistant resin make；

10, outermost layer uses the external protection 104 that aluminum leather is made.

Embodiment 7

Jing Tang company hot rolling 1580 roughing thermal insulation cover improvement project, medium temperature 1350 DEG C；

1, it is close to pipeline or equipment matrix 101 installs the inner protective layer 102 of one layer of GH99 sheet material, the thickness control of inner protective layer Making at 20mm, double buckle connects, and has high temperature corrosion-resisting function；

2, the emission layer 105 of one layer of sintering emissive material is installed, intercepts hyperthermia radiation；

3, installing the inner protective layer 102 of one layer of polycrystalline fibre material again, the THICKNESS CONTROL of inner protective layer is at 12mm；

4, according to the hull-skin temperature of last layer, then one layer of heat-insulation layer 103 containing pick Fiber Materials, the thickness of heat-insulation layer are installed Degree controls at 30mm, utilizes the heat-insulating property containing pick module to protect next layer；

5, installing the inner protective layer 102 of one layer of ceramic fibre material again, the THICKNESS CONTROL of inner protective layer is at 12mm；

6, according to the surface temperature of last layer, the heat conductivity of the step temperature of insulation material selects the guarantor of aeroge material Temperature layer 103, the thickness of heat-insulation layer is 6-12mm, utilizes the heat-insulating property of aeroge to protect next layer；

7, installing the inner protective layer 102 of solidifying foam glass material more than a layer again, the THICKNESS CONTROL of inner protective layer is at 50mm, son Box formula connects；

8, outermost layer uses the external protection 104 of thickness 5mm cover plate.

Embodiment 8

Space flight three phase plume water conservancy diversion deep refrigerating project, medium temperature-265 DEG C, diameter 159 length 105 meters, heat-insulation layer outer surface Temperature rise 2 DEG C is freezed without frosting；

1, it is close to pipeline or equipment matrix 101 installs the inner protective layer 102 of one layer of crystal fibre, the thickness control of inner protective layer System is at 2mm；

2, according to the hull-skin temperature of ground floor inner protective layer 102, then the insulation of solidifying foam glass material more than a layer is installed Layer 103, the THICKNESS CONTROL of heat-insulation layer 103 is at 50mm；

3, installing the inner protective layer 102 of one layer of crystal fibre, the THICKNESS CONTROL of inner protective layer is at 2mm；

4, according to the hull-skin temperature of inner protective layer 102, then the heat-insulation layer 103 of solidifying foam glass material more than a layer is installed, The THICKNESS CONTROL of heat-insulation layer 103 is at 50mm；

5, outermost layer uses the external protection 104 that aluminium sheet makes.

Comparative example 1

Application experiment ground point selection, during Qian'an, Datang world thermoelectricity 220MW major overhaul is stopped transport, has carried out compound guarantor Temperature layer implements structure of modification, and unit steam and reheated steam section of tubing have carried out insulation transformation, and experiment implements step such as Under:

1, Pipe installing two-layer decompression buffer layer and zirconium-containing alumina fiber transition zone it are close to；

2, rock wool heat-storing material is installed to protect；

3, insulation material outermost layer uses metallic aluminium skin to be coated with.

Experimental example 1

After the performance of above-described embodiment 1 with the insulation material of the application experiment of comparative example 1 is contrasted: examination criteria: According to standard GB/T/T4272-1992, GB/T8174-1987, GB/T18021-2000, GB/T16617-1996, CJ/ T140-2001.The embodiment outer surface mean temperature of comparative example 1 is 165 DEG C, and area of dissipation is 408 square meters.Embodiment 1 Outer surface mean temperature is 50 DEG C, and area of dissipation is 397 square meters.Reduce radiation loss 115 DEG C, reduce area of dissipation 11 square meter. The guarantor of the heating power induction system throughout the year run in standard GB/T/T15910-2009 heating power induction system energy-saving monitoring standard In the maximum permissible value of temperature body structure surface temperature rise, the highest medium temperature of regulation is 350 DEG C, and service life is than the insulation of comparative example 1 Structure at least extends 5-10.

Economic benefit aspect: calculate according to standard GB/T/T15910-2009, according to 30MW generator set heat radiation area 4600 square meters calculate, and compared with comparative example 1, can save standard coal 13616 tons, direct economic benefit 6,800,000 yuans every year.

Experimental example 2

After the performance of above-described embodiment 2 with the insulation material of the application experiment of comparative example 1 is contrasted: examination criteria: According to standard GB/T/T4272-1992, GB/T8174-1987, GB/T18021-2000, GB/T16617-1996, CJ/ T140-2001.The embodiment outer surface mean temperature of comparative example 1 is 165 DEG C, and area of dissipation is 408 square meters.Embodiment 2 Outer surface mean temperature is 50 DEG C, and area of dissipation is 397 square meters.Reduce radiation loss 115 DEG C, reduce area of dissipation 11 square meter. The guarantor of the heating power induction system throughout the year run in standard GB/T/T15910-2009 heating power induction system energy-saving monitoring standard In the maximum permissible value of temperature body structure surface temperature rise, the highest medium temperature of regulation is 350 DEG C, and service life is than the insulation of comparative example 1 Structure at least extends 5-10.

Economic benefit aspect: calculate according to standard GB/T/T15910-2009, according to 30MW generator set heat radiation area 4600 square meters calculate, and can save standard coal 13616 tons, direct economic benefit 6,800,000 yuans compared with comparative example 1 every year.

The heat accumulating type Single-layer Insulation structural advantage that the heat-insulating property of the composite heat-insulating layer of this utility model embodiment is more traditional Substantially, energy-saving effect is notable, and the update for enterprise's novel heat insulation system provides new selection, for effectively reducing enterprise's energy Water consumption is put down, and Improve Efficiency space provides effective way.

Although illustrate and describing this utility model with specific embodiment, but it will be appreciated that without departing substantially from this reality With may be made that in the case of novel spirit and scope many other change and amendment.It is, therefore, intended that in appended power Profit requires to include belonging to all such changes and modifications in the range of this utility model.

Claims

1. a multi-functional composite heat-insulating layer, it is characterised in that include pipeline or equipment matrix, the guarantor of at least more than a layer Playing of temperature layer, at least more than one layer absorbs expansion, supports the inner protective layer of the integral insulation construction effect of not caving in, Yi Jizhi Be the sealing coat of the high temperature resistant emissive material of more than a layer less, described sealing coat have anticorrosion, hold one's breath, reduce metal material heat transfer Coefficient, heat conductivity, the isolation conduction of heat of pipe-hanger support, cold-heat bridge and the effect of raising thermodynamic barrier；

Wherein, described sealing coat, inner protective layer, heat-insulation layer, described interior guarantor it are pasted with outside described pipeline or equipment matrix successively Sheath, heat-insulation layer compound use interact, alternately arranged to solve radiation, conduction, the radiation loss of convection current, the seam of every layer Place be staggered mutually to realize structure without heat loss through convection, the material that adjacent two layers selection is different；

Described inner protective layer is ceramic fibre, steeps containing pick fiber, crystal fibre, aeroge, aluminium silicate, rock wool, calcium silicates, coagulate more Foam glass, thermodynamic barrier launch the one of which in the inner protective layer of glass, foam glass, emissive material；

Described heat-insulation layer is ceramic fibre, containing pick fiber, crystal fibre, aeroge, aluminium silicate, rock wool, calcium silicates, coagulate foam more Glass, thermodynamic barrier launch the one of which in glass, foam glass, emissive material heat-insulation layer, and described inner protective layer, heat-insulation layer are multiple Close use, the material used during to ensure step temperature itself without convection heat transfer' heat-transfer by convection with guarantee step temperature heat transfer coefficient, lead Hot coefficient.

A kind of multi-functional composite heat-insulating layer the most according to claim 1, it is characterised in that the thickness of described inner protective layer Control between 2-150mm.

A kind of multi-functional composite heat-insulating layer the most according to claim 1, it is characterised in that the thickness control of described heat-insulation layer System is between 2-200mm.

A kind of multi-functional composite heat-insulating layer the most according to claim 1, it is characterised in that the thickness control of described sealing coat System is between 1-100mm.

A kind of multi-functional composite heat-insulating layer the most according to claim 4, it is characterised in that the number of plies control of described sealing coat System is at 1-5 layer, and the gross thickness of sealing coat controls between 1-100mm.

6. according to a kind of multi-functional composite heat-insulating layer described in any one of claim 1-5, it is characterised in that described heat-insulation layer Being spliced by some heat insulation tiles, plate, blanket, felt, block, the connecting method between described heat insulation tile, plate, blanket, felt, block includes slot One of which in formula connection, dock connection, bridging type connection, the connection of primary and secondary button, bonded connection.

7. according to a kind of multi-functional composite heat-insulating layer described in any one of claim 1-5, it is characterised in that described interior protection Layer is spliced by some protections watt, plate, blanket, felt, block, and the connecting method between described protection watt, plate, blanket, felt, block includes inserting One of which in slot type connection, dock connection, bridging type connection, the connection of primary and secondary button, bonded connection.

8. according to a kind of multi-functional composite heat-insulating layer described in any one of claim 1-5, it is characterised in that also include outer guarantor Sheath, described external protection is coated on apart from the farthest inner protective layer of described pipeline or equipment matrix or the outside of heat-insulation layer, institute State the inside and outside wall sealing coat with the high temperature resistant emissive material of at least more than a layer of external protection.

A kind of multi-functional composite heat-insulating layer the most according to claim 8, it is characterised in that also include interior suspension and support, outer Suspension and support；

Described interior suspension and support is arranged at described pipeline or the top of equipment matrix or bottom and for the described pipeline of fixing support or sets Standby matrix, described outer suspension and support is arranged at the top of described composite heat-insulating layer or bottom for the whole insulation construction of fixing support, Use the bolt-through of adjustable distance to fix between described interior suspension and support and described outer suspension and support, be positioned at the nut of bolt both sides Sink into described interior suspension and support, the inside of outer suspension and support respectively.

A kind of multi-functional composite heat-insulating layer the most according to claim 9, it is characterised in that described interior suspension and support is with outer Filled thermal insulation materials is used to isolate to prevent conduction of heat and cold-heat bridge between suspension and support.