Novel ultralow-temperature pipeline heat preservation structure
By using the combination of the infusion foaming area and the protective layer of the aluminum foil cloth in the pipeline insulation structure, the existing pipeline insulation structure has been solved, and a fast, economical and efficient insulation effect has been achieved.
Patent Information
- Application Number
- CN202421872594.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-05
AI Technical Summary
The construction steps of existing pipeline insulation structures are cumbersome, the construction period is long, the cost is high, the insulation performance is poor, and the probability of later insulation problems is high.
The new ultra-low temperature pipeline insulation structure is adopted, including stainless steel pipes, inner pipes and outer pipes. The outer pipe is equipped with a filling foaming area and an aluminum foil cloth protective layer. The inner pipe is equipped with a glass wool and an aluminum foil cloth protective layer. The foam is filled and foamed by infusing foaming agent instead of low-temperature glue bonding to improve insulation performance.
The structure is fast construction, low cost and strong insulation performance. It can effectively avoid the generation of gaps and holes, and respond well to the expansion and expansion of the pipeline in hot and cold environments.
Smart Images
Figure CN222894872U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of storage tanks for new energy, natural gas and the like, and specifically is a novel ultra-low temperature pipeline insulation structure. Background Art
[0002] In chemical enterprises, liquids, gases, etc. are often transported through pipelines. In order to ensure that the temperature of the liquids, gases, etc. in the pipelines meets the use requirements, it is necessary to insulate the pipelines.
[0003] Deficiencies of existing technology:
[0004] At present, there are generally three types of pipeline insulation structures. The first type is equipped with PU pipe shell and GRP (glass reinforced plastic) outer sheath, the second type is equipped with PU pipe shell, mastic and sheet metal outer sheath, and the third type is equipped with rubber-plastic cotton and sheet metal outer sheath. The above insulation structures have the disadvantages of complicated construction steps, long construction period, high cost requirements, poor insulation performance, and high probability of insulation problems in the later stage. Utility Model Content
[0005] The purpose of the utility model is to provide a novel ultra-low temperature pipeline insulation structure to solve the problems raised in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical solutions: a novel ultra-low temperature pipeline insulation structure, comprising a stainless steel pipe, an inner layer pipe and an outer layer pipe are arranged outside the stainless steel pipe, the outer layer pipe is arranged as an insulating layer, and the outer layer pipe is provided with a strengthening insulation device, and the strengthening insulation device comprises:
[0007] A perfusion and foaming area, wherein the perfusion and foaming area is vertically arranged on the outer tube;
[0008] An aluminum foil cloth protective layer is arranged on the outer surface of the outer tube.
[0009] Preferably, the inner tube is provided as a heat-insulating layer, and an aluminum foil protective layer is also provided on the outer surface of the inner tube.
[0010] Preferably, a kraft paper tape is provided at the joint between the inner tube and the outer tube.
[0011] Preferably, a plurality of glass wools are vertically arranged inside the inner tube, and the glass wools are arranged at a gap of 10 mm to 20 mm at the joint between the inner tube and the outer tube.
[0012] Preferably, the perfusion foaming area is arranged at a gap of 10 mm to 20 mm at the seam of the outer tube.
[0013] Preferably, the surface of the stainless steel tube and the surface of the inner tube are provided with glass mesh.
[0014] Preferably, a protective layer and a hand-coated protective layer are provided outside the aluminum foil cloth protective layer.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. This novel ultra-low temperature pipe insulation structure is provided with an enhanced insulation device, which includes a perfusion foaming part and an aluminum foil cloth protective layer. The perfusion foaming part is filled with a perfusion foaming agent to replace the original low-temperature glue bonding. The perfusion foaming efficiency is high, the cost is low, the construction is fast and convenient, and the manpower is reduced. The perfusion foaming can effectively avoid gaps and holes caused by uneven application of low-temperature glue, and the compression and tensile properties of the PU foam itself can better cope with the expansion and contraction of the pipeline in cold and hot environments, and the insulation effect is enhanced. The perfusion foaming itself and the outer pipe are made of the same material, and there will be no incompatibility between the materials.
[0017] 2. This new type of ultra-low temperature pipe insulation structure uses aluminum foil cloth instead of the original mastic, which effectively improves the insulation performance and reduces the difficulty of construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 It is a cross-sectional view of the overall structure of the utility model;
[0020] In the figure: 110, stainless steel pipe; 120, inner pipe; 121, insulation layer; 122, glass wool; 130, outer pipe; 131, insulation layer; 141, injection foaming area; 142, aluminum foil protective layer; 150, kraft paper tape; 160, glass mesh; 170, protective layer; 180, hand-applied protective layer. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0023] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, it can be fixed connection, setting, or detachable connection, setting, or integrated connection, setting. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.
[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.
[0025] Example
[0026] See also Figure 1-2 As shown, the utility model provides a novel ultra-low temperature pipeline insulation structure technical solution: including a stainless steel pipe 110, the stainless steel pipe 110 is provided with an inner layer pipe 120 and an outer layer pipe 130 on the outside, the inner layer pipe 120 is set as an insulation layer 121, the outer layer pipe 130 is set as an isolation layer 131, the outer layer pipe 130 is provided with an enhanced insulation device, the enhanced insulation device includes a perfusion foaming part 141 and an aluminum foil cloth protective layer 142, the perfusion foaming part 141 is vertically opened on the outer layer pipe 130, the perfusion foaming part 141 is opened at a gap of 10mm to 20mm at the joint of the outer layer pipe 130, the aluminum foil cloth protective layer 142 is laid on the outer surface of the outer layer pipe 130, the outer surface of the inner layer pipe 120 is laid with the aluminum foil cloth protective layer 142, the perfusion foaming part 141 is filled and foamed with a perfusion foaming agent to replace the original low-temperature glue bonding, the perfusion foaming efficiency is high, the cost is low, and the construction is quick and convenient.
[0027] Furthermore, a kraft paper tape 150 is pasted at the joint of the inner tube 120 and the outer tube 130, and a plurality of glass wools 122 are vertically arranged inside the inner tube 120. The glass wools 122 are arranged at a gap of 10 mm to 20 mm at the joint of the inner tube 120 and the outer tube 130. A glass mesh 160 is laid on the surface of the stainless steel tube 110 and the surface of the inner tube 120, and a protective layer 170 and a hand-coated protective layer 180 are laid on the outside of the aluminum foil protective layer 142. During installation, the inside of the stainless steel tube 110 is cleaned first, and then the kraft paper tape 150 is placed at the joint of the inner tube 120. The glass wool 122 is placed at a gap of 10 mm to 20 mm at the joint of the inner tube 120 and the outer tube 130. The glass wool 122 plays a shrinking role and is laid on the outer surface of the inner tube 120. A layer of aluminum foil cloth protective layer 142 is provided to enhance the moisture-proof effect; secondly, the outer tube 130 is installed, and a perfusion foaming part 141 is opened at the 10mm-20mm gap at the joint of the outer tube 130. The perfusion foaming part 141 is filled with a perfusion foaming agent for foaming. After the foaming is completed, the outer tube 130 is wrapped with a layer of aluminum foil cloth protective layer 142 to play a shielding role again to prevent external moisture from invading. Finally, the protective layer 170 and the hand-coated protective layer 180 are installed. The protective layer 170 can be constructed with GRP or sheet metal technology. The perfusion foaming can effectively avoid gaps and holes caused by uneven application of low-temperature glue, and the compression and tensile properties of the PU foaming itself can better cope with the expansion and contraction of the pipeline in hot and cold environments. The perfusion foaming itself and the outer tube 130 are made of the same material, and there will be no incompatibility between the materials.
[0028] Furthermore, the infusion foaming agent can be replaced with a bottled foaming filler, and the aluminum foil cloth can be replaced with a waterproof cloth-based tape.
[0029] The working principle of the utility model is as follows:
[0030] When using a novel ultra-low temperature pipeline insulation structure of this embodiment, first clean the inside of the stainless steel pipe 110, then place kraft paper tape 150 at the joint of the inner layer pipe 120, and place glass wool 122 at the gap of 10mm to 20mm between the joint of the inner layer pipe 120 and the outer layer pipe 130. The glass wool 122 plays a shrinking role, and a layer of aluminum foil protective layer 142 is laid on the outer surface of the inner layer pipe 120 to improve the moisture-proof effect; then install the outer layer pipe 130, and open a perfusion foaming part 141 at the gap of 10mm to 20mm at the joint of the outer layer pipe 130. 41 is used to perform filling and foaming with a perfusion foaming agent. After the foaming is completed, the outer tube 130 is wrapped with an aluminum foil protective layer 142 to play a shielding role again to prevent the invasion of external moisture. Finally, the protective layer 170 and the hand-coated protective layer 180 are installed. The protective layer 170 can be constructed with GRP or sheet metal technology. The perfusion foaming can effectively avoid gaps and holes caused by uneven application of low-temperature glue, and the compression and tensile properties of the PU foaming itself can better cope with the expansion and contraction of the pipeline in hot and cold environments. The perfusion foaming itself and the outer tube 130 are made of the same material, and there will be no incompatibility between the materials.
[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A novel ultra-low temperature pipeline insulation structure, comprising a stainless steel pipe (110), characterized in that: The stainless steel tube (110) is provided with an inner tube (120) and an outer tube (130) outside, the outer tube (130) is provided as an insulating layer (131), and the outer tube (130) is provided with a reinforced heat preservation device, and the reinforced heat preservation device comprises: A perfusion and foaming area (141), wherein the perfusion and foaming area (141) is vertically arranged on the outer layer tube (130); An aluminum foil cloth protective layer (142), wherein the aluminum foil cloth protective layer (142) is disposed on the outer surface of the outer layer tube (130).
2. The novel ultra-low temperature pipeline insulation structure according to claim 1 is characterized in that: The inner tube (120) is provided as a heat-insulating layer (121), and an aluminum foil protective layer (142) is also provided on the outer surface of the inner tube (120).
3. The novel ultra-low temperature pipeline insulation structure according to claim 1 is characterized in that: A kraft paper tape (150) is provided at the joint between the inner layer tube (120) and the outer layer tube (130).
4. The novel ultra-low temperature pipeline insulation structure according to claim 1 is characterized in that: A plurality of glass wools (122) are vertically arranged inside the inner tube (120), and the glass wools (122) are arranged at a gap of 10 mm to 20 mm at the joint between the inner tube (120) and the outer tube (130).
5. The novel ultra-low temperature pipeline insulation structure according to claim 1 is characterized in that: The perfusion foaming area (141) is arranged at a gap of 10 mm to 20 mm at the seam of the outer layer tube (130).
6. The novel ultra-low temperature pipeline insulation structure according to claim 1 is characterized in that: Glass mesh (160) is provided on the surface of the stainless steel tube (110) and the surface of the inner tube (120).
7. The novel ultra-low temperature pipeline insulation structure according to claim 1 is characterized by: A protective layer (170) and a hand-coated protective layer (180) are arranged outside the aluminum foil cloth protective layer (142).