CN115091124A - Forming process of heat preservation module with single-side metal protection - Google Patents
Forming process of heat preservation module with single-side metal protection Download PDFInfo
- Publication number
- CN115091124A CN115091124A CN202210684573.5A CN202210684573A CN115091124A CN 115091124 A CN115091124 A CN 115091124A CN 202210684573 A CN202210684573 A CN 202210684573A CN 115091124 A CN115091124 A CN 115091124A
- Authority
- CN
- China
- Prior art keywords
- wall
- connecting part
- forming
- heat
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002184 metal Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004321 preservation Methods 0.000 title claims description 9
- 238000003466 welding Methods 0.000 claims abstract description 27
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 239000004809 Teflon Substances 0.000 claims description 6
- 229920006362 Teflon® Polymers 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000004964 aerogel Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000009958 sewing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 26
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
- F16L59/022—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves with a single slit
- F16L59/023—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves with a single slit with a hinge opposite the slit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
- F16L59/024—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves composed of two half sleeves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
- F16L59/025—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves with more then two segments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/10—Bandages or covers for the protection of the insulation, e.g. against the influence of the environment or against mechanical damage
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention relates to the field of pipeline heat-insulation product molding, in particular to a molding process of a heat-insulation module with single-side metal protection, which comprises the following steps: a. preparing a shell: a1, taking a metal plate, forming an outer wall with a semicircular cross section, an inner wall I, an inner wall II, a connecting wall, a connecting part I, a connecting part II and a connecting part III which are in an arc plane shape through a plate bending machine and a cutting machine, wherein the width of the connecting part I is equal to the sum of the connecting part II and the connecting part III; a2, one end of the outer wall obtained by the a1 is welded with the inner wall through a first connecting part and the same axis to form a whole, the other end of the outer wall is welded with a second connecting part to form a whole, the free end of the connecting wall is welded with a third connecting part, the free end of the third connecting part is welded with the second inner wall, the outer wall, the connecting wall, the first inner wall and the second inner wall are all coaxially arranged after welding, and the first inner wall and the second inner wall are located on the same arc surface. The invention solves the problem that the existing pipeline heat-insulating sleeve is not beneficial to installation.
Description
Technical Field
The invention relates to the field of pipeline heat-insulation product molding, in particular to a molding process of a heat-insulation module with single-side metal protection.
Background
In fields such as nuclear power, petroleum, chemical industry, electric power, a lot of all need use relevant equipment such as steam turbine, valve, corresponding also need be through fluid such as pipeline transport liquid, gas, and in pipeline transmission process, in order to prevent thermal scattering and disappearing, heat preservation structure need add on the pipeline surface usually. The applicant applies Chinese patent of 31/08/2020, the new turbine noise reduction and insulation jacket comprises a fire-resistant coating, an insulation layer, a noise reduction layer and an outer protection layer; the fire-resistant coating is coated on the bottom surface of the heat preservation layer, and the top surface of the heat preservation layer is sequentially provided with a noise reduction layer and an outer protective layer.
The basic structure for pipeline heat insulation is the basic structure on the market at present. While in use it has been found that the above arrangement is clearly disadvantageous for installation if the duct is long.
Disclosure of Invention
Therefore, the invention provides a molding process of a heat insulation module with single-side metal protection, which solves the problem that the existing pipeline heat insulation sleeve is not beneficial to installation.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a molding process of a heat preservation module with single-side metal protection comprises the following steps:
a. preparing a shell:
a1, taking a metal plate, forming an outer wall with a semicircular cross section, an inner wall I, an inner wall II, a connecting wall, a connecting part I, a connecting part II and a connecting part III which are in an arc plane shape through a plate bending machine and a cutting machine, wherein the width of the connecting part I is equal to the sum of the connecting part II and the connecting part III;
a2, welding one end of the outer wall obtained from a1 and the inner wall together through a first connecting part to form a whole, welding the other end of the outer wall and the connecting wall through a second connecting part to form a whole, welding the free end of the connecting wall and a third connecting part, welding the free end of the third connecting part and the second inner wall, coaxially arranging the outer wall, the connecting wall, the first inner wall and the second inner wall after welding, and enabling the first inner wall and the second inner wall to be positioned on the same arc surface; the outer wall, the connecting wall, the first inner wall and the second inner wall form a filling cavity for placing the heat-insulating layer;
b. preparing a heat-insulating layer;
b1, forming the heat-insulating material by using a forming die to obtain an inner core, wherein the shape of the inner core is matched with that of the filling cavity, and the inner side surface of the inner core, the inner wall I and the inner wall II are positioned on the same arc surface;
b2, covering an outer wrapping layer on the surface of the inner core, and sewing to obtain the heat-insulating layer;
c. the heat-insulating layer is arranged in the filling cavity;
d. and high-temperature resistant materials are adhered to the inner surfaces of the arcs of the first inner wall, the second inner wall and the connecting wall.
Preferably, in the step a2, the connecting wall and the inner wall may form two structures, namely an inner step section located in the arc surface of the outer wall and an outer step section located outside the arc surface of the outer wall, and the inner step section and the outer step section may be assembled to each other.
Preferably, the method further comprises the step e: and welding a connecting piece for installation on the outer wall obtained in the step a1 along the peripheral side of the outer surface.
Preferably, the plate bending machine comprises a frame, a female die arranged on the frame, and a male die arranged above the frame and adapted to the female die, wherein a lifting mechanism for driving the male die to reciprocate is arranged on the male die, the male die is provided with three forming press blocks for forming an outer wall, a first inner wall, a second inner wall and a connecting wall, and the female die is provided with a press groove structure adapted to the forming press blocks.
Preferably, the width of the indent for forming the outer wall is smaller than the axial width of the outer wall to form a bending portion for facilitating welding.
Preferably, positioning blocks for positioning the metal plate are arranged at two ends of each pressing groove.
Preferably, the heat insulation material is aerogel, and the outer wrapping layer is teflon cloth.
Preferably, the high-temperature resistant material is teflon adhesive tape.
Preferably, the metal plate is a stainless steel plate.
By adopting the technical scheme, the invention has the beneficial effects that:
in the technical scheme, the shell structure made of metal is adopted, so that the shell is more impact-resistant and higher in strength compared with the traditional shell made of plastic;
the two semicircular shells are combined and installed during installation, the structure is different from the traditional heat-insulation module structure with a full-circle section, the installation can be simple, and the transportation is facilitated when the two semicircular shells are separated;
the product is accurately formed by welding during forming, and the second inner wall and the first inner wall of the product form a structural support, so that an internal heat insulation layer is erected, and the connection between the shell and the pipeline is supported;
correspondingly, the first inner wall and the second inner wall are provided with high-temperature-resistant materials which are combined with the heat-insulating layer, so that the contact surface between the shell assembly and the pipeline is free of exposed metal, the direct contact between the shell and the pipeline can be avoided, the heat loss caused by heat bridge transfer is reduced, the friction between metal parts is avoided, the product has good heat-insulating effect, no noise is generated, and good heat-insulating/noise-reducing effect is achieved;
the casing is coaxial/communication setting at the installation back pipeline, can the homodisperse atress when receiving the impact, and then improves holistic shock resistance.
Drawings
FIG. 1 is a schematic structural diagram of a forming process of a housing according to an embodiment of the present invention;
FIG. 2 is a schematic view of an installation structure of a housing and an insulating layer according to an embodiment of the present invention;
FIG. 3 is a schematic view of the mounting structure of the two-piece housing assembly of the present invention;
FIG. 4 is a schematic cross-sectional view of a two-piece housing assembly (four) of the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 4;
FIG. 6 is a schematic view of the structure of the female die of the plate bender;
FIG. 7 is a schematic structural view of a plate bender;
fig. 8 is a schematic view of the axial edge structure of the outer wall.
Reference numerals: 1. a housing; 11. an outer wall; 111. a bent portion; 12a, a first inner wall; 12b and an inner wall II; 13. a connecting wall; 14a, a first connecting part; 14b, a second connecting part; 14c, a third connecting part; 15. filling the cavity; 16a, an inner step section; 16b, an outer step section; 17. a high temperature resistant layer; 18. a connecting member; 19. a fastening tape; 2. a heat-insulating layer; 3. bending a plate machine; 31. a female die; 311. pressing a groove; 32. a male die; 321. forming and pressing blocks; 33. a lifting mechanism; 331. a support frame; 332. a hydraulic cylinder; 34. and (5) positioning the blocks.
Detailed Description
The following detailed description will be provided to explain embodiments of the present invention with reference to specific embodiments, so as to fully understand and implement the technical effects of the present invention by applying technical means to solve the technical problems.
Referring to fig. 1 and 2, a molding process of a single-sided metal-protected heat preservation module includes the following steps:
a. preparing a shell 1:
1, taking a metal plate, specifically a stainless steel plate with the thickness of 1mm, forming an outer wall 11, an inner wall I12 a, an inner wall II 12b and a connecting wall 13 with semicircular cross sections, and a connecting part I14 a, a connecting part II 14b and a connecting part III 14c which are in circular-arc plane shapes through a plate bending machine 3 and a cutting machine, wherein the width of the connecting part I14 a is equal to the sum of the connecting part II 14b and the connecting part III 14 c;
a2, welding one end of the outer wall 11 obtained from a1 and the first inner wall 12a coaxially into a whole through the first connecting part 14a, welding the other end of the outer wall 11 and the connecting wall 13 into a whole through the second connecting part 14b, welding the free end of the connecting wall 13 and the third connecting part 14c, welding the free end of the third connecting part 14c and the second inner wall 12b, coaxially arranging the outer wall 11, the connecting wall 13, the first inner wall 12a and the second inner wall 12b after welding, and enabling the first inner wall 12a and the second inner wall 12b to be located on the same arc surface; the outer wall 11, the connecting wall 13, the first inner wall 12a and the second inner wall 12b form a filling cavity 15 for placing the heat-insulating layer 2;
during specific forming, the first connecting part 14a is located on one side, the second connecting part 14b and the third connecting part 14c are located on the other side and are arranged along the radial surface of the outer wall 11, and the connecting wall 13 and the second inner wall 12b are respectively welded with the second connecting part 14b and the third connecting part 14c end to end, so that the width of the first connecting part 14a is equal to the sum of the second connecting part 14b and the third connecting part 14c, and the welded first inner wall 12a and the welded second inner wall 12b are located on the same arc-shaped surface;
meanwhile, the end-to-end welding may also be performed along two directions, specifically, as shown in fig. 1 to 5, in the step a2, the connecting wall 13 and the second inner wall 12b may form two structures, i.e., an inner step section 16a located in the arc surface of the outer wall 11 and an outer step section 16b located outside the arc surface of the outer wall 11, and the inner step section 16a and the outer step section 16b may be assembled together, and the outer walls 11 of the two housings 1 after being assembled are located on or substantially located on the same arc surface.
b. Preparing a heat insulation layer 2;
b1, forming the heat-insulating material through a forming die to obtain the inner core, wherein the heat-insulating material is aerogel, so that the forming is facilitated, and the heat-insulating effect is excellent;
the shape of the inner core is matched with that of the filling cavity 15, and the inner side surface of the inner core, the first inner wall 12a and the second inner wall 12b are positioned on the same arc surface;
b2, coating an outer wrapping layer on the surface of the inner core, and sewing to obtain the heat-insulating layer 2, wherein the outer wrapping layer is made of Teflon cloth and is sewn through high-temperature-resistant threads to meet the requirements of heat insulation, flame retardance and heat resistance;
c. the heat-insulating layer 2 is arranged in the filling cavity 15;
d. and high-temperature-resistant materials are attached to the inner surfaces of the arcs of the first inner wall 12a, the second inner wall 12b and the connecting wall 13 to form a high-temperature-resistant layer 17, wherein the high-temperature-resistant materials are Teflon adhesive tapes.
In this embodiment, the method further includes step e: a connecting piece 18 for installation is welded on the outer wall 11 obtained in the step a1 along the peripheral side of the outer surface, the connecting piece 18 is of a metal hasp structure, installation is convenient, a certain degree of adjustment can be realized during fixed connection after installation, and the requirement on installation accuracy of the connecting piece 18 is lowered; and, after the insulation module is mounted on the pipeline, the outer surface may be provided with a plurality of fastening bands 19 for structural reinforcement; the fastening belt 19 is a stainless steel belt, which can form a secondary reinforcement for the structure, and further improve the stability of the structure.
When a metal plate is machined and formed, the structure of the plate bending machine 3 adopted refers to fig. 6 and 7, and the plate bending machine comprises a rack, a female die 31 arranged on the rack, and a male die 32 arranged above the rack and matched with the female die 31, wherein a lifting mechanism 33 for driving the male die 32 to reciprocate is arranged on the male die, the lifting mechanism 33 comprises a support frame 331 structure arranged on the rack, a hydraulic cylinder 332 arranged on the support frame 331 and a related transmission component;
the male die 32 is provided with three forming pressing blocks 321 for forming the outer wall 11, the first inner wall 12a, the second inner wall 12b and the connecting wall 13, and the female die 31 is provided with a pressing groove 311 structure matched with the forming pressing blocks 321; during forming, the equipment is operated once to realize three plate bending forms of the outer wall 11, the inner wall I12 a, the inner wall II 12b and the connecting wall 13, so that the forming efficiency can be greatly improved;
referring to fig. 7 and 8, the width of the indent 311 for forming the outer wall 11 is smaller than the axial width of the outer wall 11 to form a bending portion 111 for welding; the width of the indent 311 is only slightly smaller than the axial width of the outer wall 11, the formed bending part 111 is also slightly bent, and fillet transition is formed at the two axial ends of the outer wall 11 after welding, so that the appearance attractiveness is improved, and convenience is provided for welding;
in addition, in order to ensure the accurate operation of the plate bending machine 3, positioning blocks 34 for positioning the metal plate are arranged at two ends of each pressing groove 311, and the positions of the positioning blocks 34 can be adjusted according to requirements, so that the peripheral sides of the unformed plates are fixed, and the metal plate is prevented from being deviated when a force is applied by the forming pressing blocks 321.
In the technical scheme, the shell 1 made of metal is adopted, so that compared with the traditional shell 1 made of plastic, the shell is more impact-resistant and higher in strength;
the two semi-circular shells are assembled and installed during installation, the structure is different from the traditional heat-preservation module structure with a full-circle section, the installation can be simple, and the transportation is facilitated when the two semi-circular shells are separated;
during forming, the product is accurately formed by welding, and the upper inner wall II 12b and the inner wall I12 a of the product form a structural support, so that the internal heat insulation layer 2 is erected, and the connection between the shell and the pipeline is supported;
correspondingly, high-temperature-resistant materials are arranged on the inner walls I12 a and II 12b and are combined with the heat-insulating layer 2, so that the contact surface between the shell assembly and the pipeline is free from exposed metal, the direct contact between the shell 1 and the pipeline can be avoided, the heat loss caused by heat bridge transmission is reduced, the friction between metal parts is avoided, the product has good heat-insulating effect, no noise is generated, and good heat-insulating/noise-reducing effect is achieved;
the casing is coaxial/communication setting at the installation back pipeline, can the homodisperse atress when receiving the impact, and then improves holistic shock resistance.
In the technical scheme, a forming mold of the heat insulating material is not specifically stated, which is well known to those skilled in the art, and thus, the description thereof is omitted. While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A molding process of a heat preservation module with single-side metal protection is characterized by comprising the following steps:
a. preparation of the shell (1):
a1, taking a metal plate, forming an outer wall (11), a first inner wall (12a), a second inner wall (12b) and a connecting wall (13) with semicircular cross sections, and a first connecting part (14a), a second connecting part (14b) and a third connecting part (14c) which are arc-plane-shaped through a plate bending machine (3) and a cutting machine, wherein the width of the first connecting part (14a) is equal to the sum of the second connecting part (14b) and the third connecting part (14 c);
a2, welding one end of the outer wall (11) obtained from a1 and the inner wall I (12a) through a connecting part I (14a) into a whole in a coaxial welding mode, welding the other end of the outer wall (11) and the connecting wall (13) through a connecting part II (14b) into a whole in a welding mode, welding the free end of the connecting wall (13) and a connecting part III (14c), welding the free end of the connecting part III (14c) and the inner wall II (12b), coaxially arranging the outer wall (11), the connecting wall (13), the inner wall I (12a) and the inner wall II (12b) after welding forming, and enabling the inner wall I (12a) and the inner wall II (12b) to be located on the same arc surface; the outer wall (11), the connecting wall (13), the first inner wall (12a) and the second inner wall (12b) form a filling cavity (15) for placing the heat-insulating layer (2);
b. preparing a heat-insulating layer (2);
b1, forming the heat-insulating material by using a forming die to obtain an inner core, wherein the shape of the inner core is matched with that of the filling cavity (15), and the inner side surface of the inner core, the first inner wall (12a) and the second inner wall (12b) are positioned on the same arc surface;
b2, coating an outer wrapping layer on the surface of the inner core, and sewing to obtain the heat-insulating layer (2);
c. the heat-insulating layer (2) is arranged in the filling cavity (15);
d. and high-temperature resistant materials are attached to the inner surfaces of the arcs of the first inner wall (12a), the second inner wall (12b) and the connecting wall (13).
2. The molding process of a single-sided metal-protected thermal module according to claim 1, wherein: in the step a2, the connecting wall (13) and the second inner wall (12b) may form two structures, namely an inner step section (16a) located in the arc surface of the outer wall (11) and an outer step section (16b) located outside the arc surface of the outer wall (11), and the inner step section (16a) and the outer step section (16b) may be assembled to each other.
3. The process of claim 2, further comprising step e: and a connecting piece (18) for installation is welded on the outer wall (11) obtained in the step a1 along the peripheral side of the outer surface.
4. The process for forming a single-sided metal protected insulation module according to claim 1, 2 or 3, wherein: the plate bending machine (3) comprises a rack, a female die (31) arranged on the rack, and a male die (32) arranged above the rack and matched with the female die (31), wherein a lifting mechanism (33) for driving the male die (32) to reciprocate is mounted on the male die, the male die (32) is provided with three forming pressing blocks (321) for forming an outer wall (11), a first inner wall (12a), a second inner wall (12b) and a connecting wall (13), and the female die (31) is provided with a pressing groove (311) structure matched with the forming pressing blocks (321).
5. The molding process of a single-sided metal-protected thermal module according to claim 4, wherein: the width of the pressure groove (311) for molding the outer wall (11) is smaller than the axial width of the outer wall (11) so as to form a bending part (111) for facilitating welding.
6. The molding process of a single-sided metal-protected thermal module according to claim 4, wherein: and positioning blocks (34) for positioning the metal plate are arranged at two ends of each pressing groove (311).
7. The process for forming a single-sided metal protected insulation module according to claim 1, 2 or 3, wherein: the heat-insulating material is aerogel, and the outer wrapping layer is Teflon cloth.
8. The process for forming a single-sided metal protected insulation module according to claim 1, 2 or 3, wherein: the high-temperature resistant material is a Teflon adhesive tape.
9. The process for forming a single-sided metal protected insulation module according to claim 1, 2 or 3, wherein: the metal plate is a stainless steel plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210684573.5A CN115091124B (en) | 2022-06-16 | 2022-06-16 | Forming process of single-sided metal-protected heat-insulation module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210684573.5A CN115091124B (en) | 2022-06-16 | 2022-06-16 | Forming process of single-sided metal-protected heat-insulation module |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115091124A true CN115091124A (en) | 2022-09-23 |
CN115091124B CN115091124B (en) | 2023-12-22 |
Family
ID=83291090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210684573.5A Active CN115091124B (en) | 2022-06-16 | 2022-06-16 | Forming process of single-sided metal-protected heat-insulation module |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115091124B (en) |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000035192A (en) * | 1998-07-22 | 2000-02-02 | Ask Corp | Heat insulating device |
US20070221284A1 (en) * | 2004-05-07 | 2007-09-27 | Saipem S.A. | Metal-Clad Insulating Complex for a Pipe |
CN202032245U (en) * | 2011-05-04 | 2011-11-09 | 桐庐县特种耐火材料厂 | Heat preserving box for forming thermal insulation layers through outer wall assembly used for pipelines or equipment |
CN104373756A (en) * | 2014-10-29 | 2015-02-25 | 浙江创想节能科技有限公司 | Metallic reflection heat preservation cover and manufacturing method thereof |
CN105221891A (en) * | 2015-09-29 | 2016-01-06 | 南京晨光汉森柔性管有限公司 | A kind of metallic tape type insulation block |
CN106285891A (en) * | 2016-09-30 | 2017-01-04 | 重庆三二绝热制品有限公司 | A kind of pipe insulation device and manufacture method thereof |
CN205859499U (en) * | 2016-07-26 | 2017-01-04 | 北京航信伟业保温科技有限公司 | A kind of unitary tubes heat-insulation system |
CN108317348A (en) * | 2018-03-03 | 2018-07-24 | 吴胜利 | Elbow is quickly beautiful to keep the temperature Two Piece Set |
CN210661922U (en) * | 2019-09-24 | 2020-06-02 | 江苏麦斯绝热材料有限公司 | A can dismantle heat preservation box for special-shaped pipeline |
CN111360486A (en) * | 2018-12-25 | 2020-07-03 | 四川明日宇航工业有限责任公司 | Forming method of flat pipe fitting |
CN211853199U (en) * | 2020-01-19 | 2020-11-03 | 浙江创想节能科技有限公司 | Heat preservation box with backing sheet |
CN215589924U (en) * | 2021-08-10 | 2022-01-21 | 卢志涛 | Forming die for elbow heat-insulation cotton |
CN216743444U (en) * | 2021-12-31 | 2022-06-14 | 浙江福兰特有限公司 | Corrosion-resistant heat-insulating stainless steel clamping-pressing type pipe fitting |
-
2022
- 2022-06-16 CN CN202210684573.5A patent/CN115091124B/en active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000035192A (en) * | 1998-07-22 | 2000-02-02 | Ask Corp | Heat insulating device |
US20070221284A1 (en) * | 2004-05-07 | 2007-09-27 | Saipem S.A. | Metal-Clad Insulating Complex for a Pipe |
CN202032245U (en) * | 2011-05-04 | 2011-11-09 | 桐庐县特种耐火材料厂 | Heat preserving box for forming thermal insulation layers through outer wall assembly used for pipelines or equipment |
CN104373756A (en) * | 2014-10-29 | 2015-02-25 | 浙江创想节能科技有限公司 | Metallic reflection heat preservation cover and manufacturing method thereof |
CN105221891A (en) * | 2015-09-29 | 2016-01-06 | 南京晨光汉森柔性管有限公司 | A kind of metallic tape type insulation block |
CN205859499U (en) * | 2016-07-26 | 2017-01-04 | 北京航信伟业保温科技有限公司 | A kind of unitary tubes heat-insulation system |
CN106285891A (en) * | 2016-09-30 | 2017-01-04 | 重庆三二绝热制品有限公司 | A kind of pipe insulation device and manufacture method thereof |
CN108317348A (en) * | 2018-03-03 | 2018-07-24 | 吴胜利 | Elbow is quickly beautiful to keep the temperature Two Piece Set |
CN111360486A (en) * | 2018-12-25 | 2020-07-03 | 四川明日宇航工业有限责任公司 | Forming method of flat pipe fitting |
CN210661922U (en) * | 2019-09-24 | 2020-06-02 | 江苏麦斯绝热材料有限公司 | A can dismantle heat preservation box for special-shaped pipeline |
CN211853199U (en) * | 2020-01-19 | 2020-11-03 | 浙江创想节能科技有限公司 | Heat preservation box with backing sheet |
CN215589924U (en) * | 2021-08-10 | 2022-01-21 | 卢志涛 | Forming die for elbow heat-insulation cotton |
CN216743444U (en) * | 2021-12-31 | 2022-06-14 | 浙江福兰特有限公司 | Corrosion-resistant heat-insulating stainless steel clamping-pressing type pipe fitting |
Also Published As
Publication number | Publication date |
---|---|
CN115091124B (en) | 2023-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5642775A (en) | Ribbon-like plate heat pipes | |
CN101868076B (en) | Soft belt type electromagnetic induction heater | |
CN102407410B (en) | Resistance welding tube and manufacturing method and application thereof | |
CN115091124A (en) | Forming process of heat preservation module with single-side metal protection | |
CN102790247B (en) | Waveguide ring flange, flexible waveguide assembly containing waveguide ring flange and assembly method of flexible waveguide assembly | |
KR20110039003A (en) | The method for manufacturing of a al-cu bus bar | |
CN109058635A (en) | Prefabricated thermal insulation bilayer bend pipe and preparation method thereof | |
CN202662744U (en) | Waveguide flange plate and flexible waveguide assembly containing same | |
KR20190124244A (en) | Flexible Insulated Air Duct and Modular Flexible Insulated Air-Duct Systems | |
CN102473506A (en) | Inductive component equipped with a liquid cooling and a method for manufacturing an inductive component | |
US3858647A (en) | Heat exchanger and method of manufacture therefor | |
CN217890083U (en) | Mechanical composite steel pipe | |
US3941296A (en) | Process for manufacturing flexible tubing capable of withstanding substantial pressures and flexible metal tubing made thereby | |
CA2330158C (en) | Method and apparatus for bending tubing | |
CN104100805A (en) | Thermal insulating pipe shell for liquefied natural gas pipeline | |
CN104100807A (en) | Pipeline thermal insulation tube case | |
CN202479712U (en) | Resistance welding tube and air conditioner compressor utilizing same | |
CN207975664U (en) | A kind of titanium lining stainless steel chimney | |
CN101275692B (en) | Integral loop metal flexible pipe and assembling method thereof | |
CN212805697U (en) | Chimney structure with expansion joint | |
CN201159350Y (en) | Bi-metal pipe fitting for steel skeleton plastic composite pipe | |
CN110564946A (en) | Cooling-free induction heater for postweld heat treatment of small-diameter pipe welding joint and manufacturing method thereof | |
CN115650605B (en) | Double-chamber lime kiln fire hole pulling structure and preparation method | |
CN201318881Y (en) | Composite-pipe type air cooler | |
US1906011A (en) | Tubing or pipe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |