• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Thermal insulation system for pipes, tanks and industrial equipment at high temperature, which is formed by a plurality of removable panels (1), which have at least one outer layer of flexible insulating material (15), at least one inner layer of material insulator (14), and an outer metal sheet (6) to which the layers of insulating material (14, 15) are fixed. The thermal insulation system also has a support system (2) for the panels (1) to the surface to be insulated (21), a system for fixing each panel to the lower panel (5), and lateral fixing means (3) between panels (1). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2819327A1
    申请号:ES201930912
    申请日:2019-10-15
    公开日:2021-04-15
    发明作者:Suay Luis Miguel Navarro；Garcia Pelayo Coya；Fernández Juan Luis Menéndez；Fernandez Sergio Ordoñez；Iglesias Fermín Granda
    申请人:Aislamientos Suaval SA；
    IPC主号:
    专利说明:

    [0002] THERMAL INSULATION SYSTEM FOR DUCTS, TANKS AND INDUSTRIAL EQUIPMENT AT HIGH TEMPERATURE
    [0004] Field of the invention
    [0006] The present invention belongs to the technical field of pipes, tanks and industrial equipment operating at very high temperatures, such as installations for thermal and solar thermal plants, chemical and petrochemical plants and the like, in which pipes, tanks and equipment undergo significant thermal expansion due to temperature changes during operation.
    [0008] The invention relates in particular to thermal insulation systems necessary for conduits, tanks and industrial equipment operating at very high temperatures, in order to be able to absorb expansions while maintaining the necessary insulating and watertight properties, and which also facilitate the assembly and disassembly of specific areas. for inspection and repair work.
    [0010] Background of the invention
    [0012] A very important part of the industrial plants and facilities, mainly those related to thermal and solar thermal plants, or chemical and petrochemical plants, generally carry out production processes that require establishing and maintaining high temperatures, and therefore need very industrial insulation systems. technical and complex for pipes, flanges, valves, filters, conduits, tanks and equipment in general. Especially in refineries and in the generation plants of the different types of energy, practically almost all pipes and industrial equipment are thermally and / or acoustically insulated.
    [0014] Most of these elements that need to be insulated are usually made of metals such as carbon steel, stainless steel or special steel alloys. These materials have a coefficient of thermal expansion that causes expansion of the walls of tanks, warehouses and equipment due to high temperatures, considerably increasing its size compared to its own dimensions at room temperature. This increase in size varies depending on the size of the tank or equipment, as well as the temperature to which it is subjected internally due to the fluid or gas that circulates inside it.
    [0016] In small equipment, the expansion and contraction of the walls is not very significant. The walls of this equipment expand and return to their original dimensions several times with the start and stop of the production process, depending on the needs of production, without very relevant effects. However, in large equipment, tanks or pipes, the expansion and contraction is very significant and can negatively affect the insulation systems used, as well as the overall performance of the installation.
    [0018] Additionally, the operation of the plants is characterized by their discontinuous operation with periods of work alternated with periods of shutdown, and this causes thermal and mechanical stresses that, in the long run, can cause problems and damage to hot surfaces, such as cracks, breaks, bulges and misalignments.
    [0020] In order to detect early the appearance of such problems on the surfaces of industrial facilities, it is essential to carry out periodic inspections of the same and, if problems are detected, proceed to repair them. Both for inspection and repair work on hot surfaces, it is essential to remove the thermal insulation and its covering. For specific inspections in specific areas, small operable windows are usually installed during the initial insulation assembly phase that, when removed, allow the inspection of that area without having to disassemble all the nearby insulation. In the case of repair work or in the case of more complete inspections, such as the state of the welds, thickness or level of corrosion of the metal sheets, it is necessary to partially or totally disassemble both the thermal insulation and its coating, of the parts to be inspected of the equipment, tank or conduit.
    [0022] Once the inspection or repair of the surface has been carried out and before the installation is put into operation again, it is necessary to reinstall the thermal insulation and covering it with the corresponding anchors. This requires, in most cases, not being able to reuse the thermal insulation material, the metallic coating and the anchors that hold the whole system, and the entire surface has to be re-insulated again, with a great impact on cost (scaffolding, supply of materials, assembly, supervision, etc.) and on time with the installation stopped.
    [0024] Today, insulation systems are mainly made up of four elements: insulation materials, covering materials, support systems and anchoring systems. All these elements must resist the expansions and contractions of the walls of the element to be insulated due to temperature without suffering ruptures or tears.
    [0026] Insulation materials are used to minimize thermal losses on the surface of the element to be insulated. These insulation materials must maintain their integrity after the expansions and contractions of the insulated element, avoiding the formation of voids and empty joints between the insulation materials that can create a thermal bridge. In the same way, it is critical that they maintain the thickness designed during the engineering phase through thermal calculations in such a way that when the surface to be insulated expands and exerts pressure on the insulation material, the coating does not resist the expansion with the result of decreasing the insulation thickness.
    [0028] The coating materials are used as mechanical and atmospheric protection of the insulation material. These covering materials must maintain their integrity after the expansion and contraction of the surface to be insulated, since any breakage produced by the stresses derived from expansions and contractions can create empty joints between the covering elements, leaving the insulation exposed to the entrance. rainwater and wind, which can deteriorate the qualities of said material and, consequently, could make the production process unsustainable. Wind ingress between cladding elements can cause support systems to fail and parts of the cladding to detach.
    [0029] The support systems are used so that the insulation and the covering are held in position, avoiding movements and displacements of these. These support systems support the insulation and coating materials, avoiding movements and displacements of these, and thus avoiding the creation of air chambers and the entry of atmospheric agents such as rain or wind to the insulation material, reducing the efficiency of the system and the production processes of the plant. The support systems have to be dimensioned to support the weight of the insulation and the coating, and to absorb the expansions and contractions that occur in the pipes or equipment to be insulated due to being subjected to very high operating temperatures. In addition, these support systems have to facilitate that the insulation and covering materials can jointly absorb these expansions or contractions without deterioration or displacement of these.
    [0031] The anchoring systems are used to assemble the entire previous assembly. The anchoring systems must be designed in such a way that they can withstand the expansions and contractions resulting from the high temperatures of the walls of the equipment, tanks or pipes without loosening and without causing deformations, tears or even breaks in the elements of the coating system. who are responsible for fixing.
    [0033] Most industrial plants have thousands of linear meters of pipes and thousands of square meters of equipment goods that require these technical industrial insulation systems.
    [0035] Some examples of current insulation systems for equipment, tanks and pipes subject to high temperatures are the following:
    [0037] CASE 1: Conventional thermal insulation system (not removable). This system has a support structure composed of rings, plates, studs or different types of profiles that maintain the distance between the wall of the equipment, tank or conduit and the elements of the coating system. These supporting structures support the weight of the insulation and covering material during the operation of the installation. By being welded to the surface, when the equipment, tank or conduit comes into operation and heats up, thermal expansions occur that are transmitted to the supporting structure. On the supporting structure and the insulating surface, without leaving an air chamber, each of the insulation layers are fixed, fixed with the appropriate systems to absorb the expansions. On the last layer of insulation, the covering and the appropriate anchoring systems are installed. The associated problems in this case is that, since the system has not been designed to be reusable, when it is necessary to inspect the welds or carry out the repair of the surface of the equipment, tank or conduit, it must be isolated and disassembled in its entirety as if it were a new equipment, having to replace all the fixing systems (straps, screws, ...) and a large part of the insulation and coating, being difficult to guarantee a correct assembly and not leaving joints that affect the effectiveness of the assembly since they are associated with greater thermal losses and the possibility of water entering the insulation.
    [0039] CASE 2: Insulation system using panels (totally or partially removable). This system has a support structure composed of rings, plates, pins, various profiles, welded or fixed in different ways to the surfaces to be insulated and are those that support the weight of the panels. The panels may or may not have a coating on the inside of the panel and the sides to make them more consistent and are prefabricated in the workshop by joining the covering material to the different layers of insulation material using pins or pins and they are assembled together. There are several systems for joining or fixing the panels together, and this conditions the removability of the panel system (total and partial), its difficulty and the use of special tools. To allow the dismantling of complete lines of panels (vertical or horizontal), metal straps or cables are used that force all the panels to be dismantled simultaneously, not allowing dismantling only one panel. This case can be divided into three different sub-cases, with the associated problems detailed below:
    [0041] - Sub-case 2.1: Panels without an air chamber between the panel and the surface to be insulated, with allowed radial movement thereof. When the equipment expands, it pushes the panels outwards and this causes the appearance of openings in the joints between panels, and both in the insulation (greater thermal losses) and in the coating (loss of mechanical and atmospheric protection and risk of entry of water). Since in case of inspection or repair it is essential to disassemble the fixing systems that hold the panels together, it is not possible to disassemble only one panel.
    [0043] - Sub-case 2.2: Panels without an air chamber between the panel and the surface to be insulated, with not allowed radial movement of the same. When the equipment expands, it pushes the panels out, and since they are all fixed by the outer covering, the compression of the insulation material is caused and therefore its thickness reduction with respect to the initial one, increasing thermal losses. Likewise, the external fixing systems of the panels are mechanically highly demanded and there is a risk of their breakage and the panels falling to the ground. Since in case of inspection or repair it is essential to disassemble the fixing systems that hold the panels together, it is not possible to disassemble only one panel.
    [0045] - Sub-case 2.3: Panels with an air chamber between the panel and the surface to be insulated. The existence of the air chamber increases the thermal losses of the entire system and, additionally, causes the appearance of the so-called “chimney effect” when the vertical movement of hot air continuously escapes through the joints between panels. When the equipment expands, the air chamber shrinks, but it still exists. Depending on the external fixing system of the panels, individual disassembly of the panels is allowed or not.
    [0047] In general, the designed thermal insulation system must guarantee an adequate and constant level of thermal losses throughout the life of the installation. In particular, the panel insulation system must guarantee, on the one hand, that the panels can be disassembled and assembled, without limitation in number of times, throughout the life of the installation, and, on the other hand, that they are minimizes the time of disassembly / assembly of the same, and the insulation, fixing or covering materials, reusing them all after each disassembly
    [0049] Therefore, a thermal insulation system for ducts, tanks and industrial equipment is desirable, which absorbs the expansions of the surface to be insulated, keeping its insulating properties intact and facilitates its timely disassembly and assembly in specific areas for inspections and repairs, avoiding existing inconveniences. in the previous systems of the state of the art.
    [0050] Description of the invention
    [0052] The present invention solves the existing problems in the state of the art by means of a thermal insulation system for pipes, tanks and industrial equipment at high temperature, which has a plurality of removable panels, which are usually prefabricated in the workshop, and which are formed by in turn by at least one outer layer of flexible insulating material that is arranged on the surface to be insulated, by at least one inner layer of insulating material following the outer layer of insulating material, and by an outer metal sheet following the inner layer of insulating material, to which the previous layers of insulating material are attached, preferably by means of bolts or spikes, and washers.
    [0054] Thus, each panel of the system is independent from the rest, both in its manufacture and in the disassembly and assembly tasks that are carried out quickly and easily, and without the need for specific tools or tools.
    [0056] The outer layer of flexible insulating material is the sacrificial layer, or the one in charge of absorbing the thermal expansions of the surface to be insulated, and avoids the existence of air chambers between the surface to be insulated before, during and after heating the equipment. and the isolation system.
    [0058] Additionally, the thermal insulation system has a support system, which fixes each panel to the surface to be safely and removably insulated, a system for fixing each panel to the lower panel, and lateral fixing means between panels, which allow the assembly and disassembly of each panel independently, facilitating inspection, review, maintenance and repair work in specific areas of the facility.
    [0060] In this way, the present thermal insulation system does not leave an air chamber with the surface to be insulated, it absorbs the expansions and contractions of said surfaces to be insulated, and allows a simple disassembly of each panel individually, without having to remove the panels. adjacent.
    [0062] In particular, the support system of each panel to the surface to be insulated has at least one floating profile on which the layers of insulating material rest and which is fixed to structural metal supports that in turn contact the surface to be insulated. In this configuration, the panels are fixed to the support system by joining the metal sheet to a flange of the floating profile. Preferably, the flange can have a material for breaking the thermal bridge.
    [0064] According to a particular embodiment of the invention, the floating profile is fixed to the structural metal supports by means of self-guiding arranged in said floating profile, which easily connect with said structural metal supports, facilitating the guided movement of the profile, and thus the panel mounting.
    [0066] In particular, to minimize the appearance of thermal bridges between the floating profile and the structural metal supports of the support system, insulating sliding plates can be arranged between them.
    [0068] According to different embodiments, the lateral fixing means between panels have a fold on the lateral edges of the outer metal sheet of the panels, and a sheath that fits with the folds of the lateral edges of the metal sheet of adjacent panels, which maintains joined the adjacent panels laterally, but allows their removal in a simple way by longitudinal sliding of the sheath, to separate the panels laterally. In this case, both the folds of the side edges of the sheet metal of the panels and the sheath preferably have the full length of the side edge of the sheet, which will provide a more secure fixation. Alternatively, folds could be made only in the upper or lower part of the edge, which would require smaller sheaths, but the lateral attachment to the adjacent panel would not be as firm as in the previous case.
    [0070] Preferably, the panels can have at least one stiffening profile arranged on the external face of the outer metal sheet.
    [0072] According to a preferred embodiment of the invention, the fastening system of the panel to the lower panel is formed by at least one sliding pin along longitudinal guides arranged on the external sheet metal face of the panels, the guides of the panel being aligned. top and bottom panel. In particular, if the The panels have stiffening profiles, the longitudinal guides can be arranged in them, so the pin will slide along the stiffening profiles of the upper and lower panel.
    [0074] Preferably, the panels can have at least one handle on the external face of the metal sheet, which facilitates their handling for the assembly and disassembly of said panels.
    [0076] The metal parts that make up the support system in contact with the surface to be insulated will be manufactured in a steel compatible with the material used in the manufacture of the equipment, tank or conduit to be insulated.
    [0078] Regarding the rest of the metallic components that make up the panel and the different fixing systems, stainless steel is preferably used due to its ease of forming and high resistance to fire, although any other metallic material can be used depending on the needs and conditions. environmental conditions of the facility.
    [0080] The thermal insulation system object of the present invention based on panels allows the quick and easy assembly and disassembly of specific areas of the installation for inspection, maintenance or repair, without having to remove all the thermal insulation from larger areas, such as it happens with the isolates of the state of the art.
    [0082] Indeed, by removing the nuts / washers that hold each panel to the support system, removing the side pods that secure each panel to the adjacent side panels and moving the pins installed on the upper level of panels and on the panel itself, the panel is released. from its position and allows easy handling, by means of the handles installed for this purpose, for disassembly work, leaving the rest of the upper, lower and side panels untouched.
    [0084] For the subsequent assembly of each panel in its position, after placing the panel in its final position and tightening it so that the inner layer of flexible material is compressed, it is necessary to install the nuts / washers that hold it to the support system, insert the pods sides that secure it to the adjacent side panels, move the
    [0087] pins installed in the upper level of panels and lower the pins of the panel itself.
    [0089] Brief description of the drawings
    [0091] Next, to facilitate understanding of the invention, an embodiment of the invention will be described by way of illustration but not limitation, making reference to a series of figures.
    [0093] Figure 1 shows a perspective view of a panel of the insulation system object of the present invention, arranged on a support system and the lateral fixing systems between panels and fixing to the lower prison.
    [0095] Figure 2 is an exploded perspective view of the panel of Figure 1 to show its essential elements.
    [0097] Figure 3 is a plan view of a particular embodiment of a floating profile and its attachment to the surface to be insulated by means of structural metal supports.
    [0099] Figure 4 is a side sectional view of the floating profile and structural metal support of the support system of Figure 3.
    [0101] Figure 5 shows two adjacent panels of an insulation system joined laterally by sheaths and folds according to a particular embodiment of the invention.
    [0103] Figure 6 is a sectional view showing the connection between adjacent panels by means of the sheath and folds of Figure 5.
    [0105] Figure 7 schematically shows an embodiment of the system for fixing a panel to the lower panel. Figure 7a shows the pin arranged along both panels, and therefore both joined. Figure 7b shows the pin arranged along only the top panel, and therefore both panels separated, for disassembly.
    [0106] In these figures, reference is made to a set of elements that are:
    [0107] 1. panels
    [0108] 2. system for supporting the panels to the surface to be insulated
    [0109] 3. lateral fixing means between panels
    [0110] 4. fixing system of the panels to the support system
    [0111] 5. fixing system to the lower panel
    [0112] 6. outer sheet metal of the panels
    [0113] 7. sheath of the lateral fixing means between panels
    [0114] 8. stiffening profiles
    [0115] 9. longitudinal guides of the panel fixing system to the lower panel
    [0116] 10. panel fastening system pin to bottom panel
    [0117] 11. fold in the lateral edges of the outer sheet metal of the panels 12. holes
    [0118] 13. skewers
    [0119] 14. inner layer of insulating material of the panels
    [0120] 15. outer layer of flexible insulating material of the panels
    [0121] 16. retaining washers
    [0122] 17. structural metal supports
    [0123] 18. floating profile of the panel support system
    [0124] 19. bolts
    [0125] 20. panel handle
    [0126] 21. surface to be insulated
    [0127] 22. means of autoguiding the floating profile
    [0128] 23. floating profile tab
    [0129] 24. insulating slide plates
    [0131] Detailed description of the invention
    [0133] The object of the present invention is a thermal insulation system for pipes, tanks and industrial equipment at high temperatures.
    [0135] As can be seen in the figures, the thermal insulation system has a plurality of removable panels 1, which are in turn formed by at least one outer layer of flexible insulating material 15 that is arranged on the surface to be insulated 21 , by at least one inner layer of insulating material 14 to continuation of the outer layer of insulating material 15, and by an outer metal sheet 6 following the inner layer of insulating material 14, to which the previous layers of insulating material 14,15 are attached. Preferably, as can be seen in Figures 1 and 2, the layers of insulating material 14,15 are fixed to the metal sheet 6 by means of spikes 13 and retaining washers 16 distributed along the entire surface of the panel. 1.
    [0137] Additionally, the thermal insulation system has a support system 2 for the panels 1, which fixes each panel 1 to the surface to be insulated 21 in a secure and removable way, a system for fixing each panel to the lower panel 5, and means of side fixing 3 between panels. The set of these systems allow the assembly and disassembly of each panel 1 independently without limitation in number of times, throughout the life of the installation, facilitating the inspection, review, maintenance and repair work of specific areas of the installation.
    [0139] In particular, the support system 2 of each panel 1 to the surface to be insulated 21 has at least one floating profile 18 on which the layers of insulating material 14,15 rest, and which is fixed to structural metal supports 17 that contact in turn with the surface to be insulated 21, fixing the floating profile 18 to it, and through it to the panel 1. In this configuration, the panels 1 are fixed to the support system 2 by means of the union of the metal sheet 6 of said panels 1 to a flange 23 of the floating profile 18. The union of the metal sheet 6 to the flange 23 is made by means of bolts 19 protruding from the flange 23 that pass through the metal sheet 6 of the panel 1 through holes 12 , and a fixing system 4 formed by nuts and washers. Preferably, the flange 23 can have a material for breaking the thermal bridge.
    [0141] According to a particular embodiment of the invention, which can be seen in Figures 4 and 5, the floating profile 18 is fixed to the structural metal supports 17 by means of self-guiding 22 arranged on said floating profile 18, which easily connect with said structural metal supports 17, thus facilitating the guided movement of the floating profile 18 on the structural metal supports 17, and thus the assembly of the panel 1.
    [0143] In particular, to minimize the appearance of thermal bridges between the profile
    [0146] floating 18 and the structural metal supports 17 of the support system 2, insulating sliding plates 24 can be installed between them, as can be seen in detail in figure 4.
    [0148] According to different embodiments, the lateral fixing means 3 between panels 1 have a fold 11 on the lateral edges of the outer metal sheet 6 of the panels 1, and a sheath 7, which fits with the folds 11 of the lateral edges of the metal sheet 6 of adjacent panels 1, keeping the adjacent panels 1 together laterally, and allowing their removal in a simple way by longitudinal sliding of the sheath 7, to laterally separate the panels 1. In this case, both the folds 11 of the lateral edges of the metal sheet 6 of the panels 1 as the sheath 7 preferably present the full length of the lateral edge of the sheet 6, which will provide a more secure fixation. Figures 5 and 6 show this embodiment of sheath 7 and pleats 11. Alternatively, pleats 11 could be made only in the upper or lower part of the edge of the metal sheet 6, which would require smaller sized sheaths 7, although the lateral fixation to adjacent panel 1 would not be as firm as in the previous embodiment.
    [0150] Preferably, as can be seen in Figures 1, 2, 7a and 7b, the panels 1 can have at least one stiffening profile 8 arranged on the external face of the outer metal sheet 6.
    [0152] According to a preferred embodiment of the invention, the system for fixing the panel to the lower panel 5 is formed by at least one pin 10 slidable along longitudinal guides 9 that are arranged on the external face of sheet metal 6 of the panels 1, the guides 9 of the upper and lower panel 1 being aligned. In particular, if the panels 1 have stiffening profiles 8, the longitudinal guides 9 can be arranged therein, whereby the pin 10 will slide along the stiffening profiles 8 of the upper and lower panel 1. Figures 7a and 7b show the operation of the pin and the longitudinal guides 9 for fixing the panel 1 to the lower panel 1, and for removing the latter.
    [0154] Preferably the panels 1 can have at least one handle 20 on the external face of the metal sheet 6, which facilitates their handling for the assembly and disassembly of said panels 1. Figures 1 and 2 show said handle 20 and its preferred arrangement on sheet metal 6 of panel 1.
    1
    权利要求:
    Claims (9)
    [1]
    1. Thermal insulation system for pipes, tanks and industrial equipment at high temperature, characterized in that it comprises
    - A plurality of panels (1) individually removable independently of the rest of the panels (1), and completely reusable, which in turn comprise
    - at least one outer layer of flexible insulating material (15), configured to be arranged on the surface to be insulated (21), and to absorb the expansions of said surface to be insulated (21).
    - at least one inner layer of insulating material (14) following the outer layer of insulating material (15),
    - and an outer metal sheet (6) next to the inner layer of insulating material (14), to which the layers of insulating material (14,15) are attached, - a support system (2) for the panels ( 1) to the surface to be insulated (21), - a system for fixing each panel to the lower panel (5) removable and completely reusable,
    - and lateral fixing means (3) between panels (1) easily removable and completely reusable
    [2]
    2. Thermal insulation system for pipes, tanks and industrial equipment at high temperature, according to the preceding claim, in which the support system (2) of each panel (1) to the surface to be insulated (1) comprises at least one floating profile (18) on which the layers of insulating material (14,15) rest and fixed to structural metal supports (17) configured to contact the surface to be insulated (21), the panels (1) being fixed to the system of support (2) by joining the metal sheet (6) to a flange (23) of the floating profile (18).
    [3]
    3. Thermal insulation system for pipes, tanks and industrial equipment at high temperature, according to any of the preceding claims, in which the lateral fixing means (3) between panels (1) comprise a fold (11) on the lateral edges of the outer sheet metal (6) of the panels (1) and a sheath (7) configured to engage with the folds (11) of the lateral edges of the sheet metal (6) of adjacent panels (1).
    [4]
    4. Thermal insulation system for pipes, tanks and industrial equipment at high temperature, according to any of the preceding claims, in which the system for fixing the panel to the lower panel (5) comprises at least one pin (10) slidable along length of longitudinal guides (9) arranged on the external face of the metal sheet (6) of the panels (1), the guides (9) of the upper and lower panel (1) aligned.
    [5]
    5. Thermal insulation system for pipes, tanks and industrial equipment at high temperature, according to any of the preceding claims, in which the panels (1) comprise at least one stiffening profile (8) arranged on the external face of the metal sheet (6) outside.
    [6]
    6. Thermal insulation system for pipes, tanks and industrial equipment at high temperature, according to claims 4 and 5, in which the longitudinal guides (9) are arranged in the stiffening profiles (8).
    [7]
    7. Thermal insulation system for pipes, tanks and industrial equipment at high temperature, according to any of claims 2 to 6, in which the floating profile (18) is fixed to the structural metal supports (17) by means of self-guiding ( 22) arranged in said floating profile (18).
    [8]
    8. Thermal insulation system for pipes, tanks and industrial equipment at high temperature, according to any of claims 2 to 7, in which the support system (2) comprises insulating sliding plates (24) arranged between the floating profile (18 ) and structural metal supports (17).
    [9]
    9. Thermal insulation system for pipes, tanks and industrial equipment at high temperature, according to any of the preceding claims, in which the panels (1) comprise at least one handle (20) arranged on the external face of the metal sheet ( 6).
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    同族专利:
    公开号 | 公开日
    ES2819327B2|2021-08-26|
    WO2021074465A1|2021-04-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US20130292391A1|2012-05-02|2013-11-07|Jhonny Ramon Ramirez Dala|External Insulation System for Tanks and the Like|
    WO2017071142A1|2015-10-30|2017-05-04|Shenzhen Tec-Motion Technologies Co., Ltd.|Screen protector and manufacture method thereof|
    US10323190B2|2016-04-26|2019-06-18|Insultherm, Inc.|Insulated coke drum, insulation system therefore, and method of installing same|
    MA43142B1|2015-11-02|2019-12-31|Aislamientos Suaval S A|Thermal insulation system for tanks and industrial equipment at high temperatures|
    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201930912A|ES2819327B2|2019-10-15|2019-10-15|Thermal insulation system for pipes, tanks and industrial equipment at high temperature|ES201930912A| ES2819327B2|2019-10-15|2019-10-15|Thermal insulation system for pipes, tanks and industrial equipment at high temperature|
    PCT/ES2020/070592| WO2021074465A1|2019-10-15|2020-09-30|Heat-insulating system for high-temperature industrial equipment, pipes and tanks|
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