Environment-friendly corrosion-resistant PIR cold insulation pipe
By designing protective covers and limit fastening mechanisms in PIR cold-insulating pipes, the problem of difficult construction quality in traditional construction methods is solved, the equipment is highly sealed and convenient maintenance is achieved, and the later maintenance costs are reduced.
Patent Information
- Application Number
- CN202421477978.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The traditional PIR cold-keeping pipeline construction methods have many splicing seams, a wide variety of materials, and a high labor intensity for workers, which makes it difficult to ensure the construction quality, and frequent cold leakage, which increases the cost of later maintenance.
An environmentally friendly corrosion-resistant PIR cold-insulation pipe is designed, using a protective sleeve cover and a limit fastening mechanism. By setting a limit fastening mechanism on the outer wall of the protective sleeve and a protective sleeve groove on the inside of the protective sleeve cover, the equipment is enhanced. Confined and protective.
It effectively improves the sealing of the equipment, reduces leakage, facilitates later maintenance and maintenance, and enhances the airtightness and protective effect of the pipe.
Smart Images
Figure CN222527189U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline transportation, in particular to an environmentally friendly, corrosion-resistant PIR cold-insulating pipe. Background Art
[0002] PIR is the main material for cold insulation structure of LNG receiving station pipelines built at home and abroad due to its excellent thermal conductivity, mechanical properties and dimensional stability under cryogenic conditions. The traditional construction method is that large pieces of PIR foam materials are cut and processed into pipe shells of different specifications in the factory, and then workers splice them on site with multiple layers of staggered seams. Different cold insulation layers are separated by moisture-proof layers, and then the outermost layer is used as external protection. This construction method has the disadvantages of many splicing seams, a wide variety of materials, and high labor intensity for workers. All links are manually operated by workers, and the construction quality is difficult to guarantee, resulting in frequent cold leakage in the pipeline and increasing the cost of later maintenance.
[0003] When workers are installing the pipes, the different degrees of airtightness at the joints often cause leakage, which increases the maintenance cost of the equipment in the later stage. To solve this problem, an environmentally friendly and corrosion-resistant PIR cold insulation pipe is proposed. Utility Model Content
[0004] The utility model provides the following technical solutions: an environmentally friendly, corrosion-resistant PIR cold-keeping pipe, comprising a protective sleeve cover and a limiting fastening mechanism, the interior of the protective sleeve cover is sleeved with a protective sleeve, the outer wall of the protective sleeve is sleeved with a fixing belt, the outer wall of the fixing belt is provided with a fixing groove, the fixing grooves are distributed in a circular array on the outer wall of the fixing belt, the outer wall of the fixing belt is provided with an annular slide groove, the outer wall of the fixing groove is provided with a fixing block, the outer wall of the fixing block is fixedly connected with an adjusting rod, the outer wall of the fixing block is fixedly connected with a telescopic belt, the outer wall of the fixing block is sleeved with a limiting outer ring, the outer wall of the limiting outer ring is fixedly connected with a plurality of gear lever limiting blocks, the plurality of gear lever limiting blocks are distributed in a circular array on the outer wall of the limiting outer ring, and the outer wall of the limiting outer ring is provided with an arcuate slide groove.
[0005] As a preferred technical solution of the utility model, a plurality of protective baffles are fixedly connected to the outer wall of the protective sleeve cover, and the plurality of protective baffles are distributed in a circular array on the outer wall of the protective sleeve cover, and the protective sleeve cover is symmetrically distributed on the outer walls of both sides of the protective sleeve.
[0006] As a preferred technical solution of the utility model, the inner wall of the protective sleeve is sleeved with a first protective layer, the inner wall of the first protective layer is sleeved with a second protective layer, the inner wall of the second protective layer is sleeved with an airtight sealing layer, the inner wall of the airtight sealing layer is sleeved with a cold-keeping pipe body, the outer wall of the cold-keeping pipe body is fixedly connected with a conveying pipe, and the conveying pipes are symmetrically distributed on the outer walls of both sides of the cold-keeping pipe body.
[0007] As a preferred technical solution of the utility model, a protective sleeve groove is provided on the inner wall of the protective sleeve cover, and the protective sleeve groove is sleeved with the cold-keeping pipe body.
[0008] As a preferred technical solution of the utility model, a plurality of limit rods are fixedly connected to the outer wall of the protective baffle rod, and the plurality of limit rods are distributed in a circular array on the outer wall of the protective cover, and the limit rods are socketed with the baffle rod limit blocks.
[0009] As a preferred technical solution of the utility model, the diameter of the cold-keeping pipe body is much smaller than the diameter of the protective sleeve, and the protective sleeve and the cold-keeping pipe body are sleeved layer by layer.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] 1. The environmentally friendly and corrosion-resistant PIR cold-insulating pipe is provided with a limit fastening mechanism on the outer wall of the protective sleeve, so that the equipment can curl and fix the pipes sleeved inside it, and by pulling the fixing block, the fixing belt can fasten the protective sleeve, which also increases the airtightness of the equipment, making it less likely to leak during work and convenient for later maintenance.
[0012] 2. The environmentally friendly and corrosion-resistant PIR cold-insulating pipe has a protective sleeve groove arranged inside the protective sleeve cover, so that after the equipment is installed, its protective effect on multiple stacked pipes is enhanced and the air tightness of the pipes can be effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 A schematic diagram of the three-dimensional structure of an environmentally friendly, corrosion-resistant PIR cold-insulation pipe;
[0014] Figure 2 A schematic diagram of the structure of a protective sleeve groove in an environmentally friendly and corrosion-resistant PIR cold-insulating pipe;
[0015] Figure 3 A schematic diagram of the structure of a cold-insulating tube body in an environmentally friendly, corrosion-resistant PIR cold-insulating tube;
[0016] Figure 4 This is a structural schematic diagram of a limiting fastening mechanism in an environmentally friendly, corrosion-resistant PIR cold-insulation pipe.
[0017] In the figure: 1. Protective sleeve cover; 2. Protective baffle; 3. Limit rod; 4. Protective sleeve; 5. Limit fastening mechanism; 51. Fixing belt; 52. Fixing slot; 53. Annular slide; 54. Fixing block; 55. Adjusting rod; 56. Telescopic belt; 57. Limit outer ring; 58. Baffle bar limit block; 59. Arc slide; 6. Protective sleeve slot; 7. First protective layer; 8. Second protective layer; 9. Airtight sealing layer; 10. Cold insulation pipe body; 11. Delivery pipe. DETAILED DESCRIPTION
[0018] 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.
[0019] See also Figure 1-4An environmentally friendly and corrosion-resistant PIR cold-keeping pipe comprises a protective sleeve 1 and a limiting fastening mechanism 5. The protective sleeve 1 is sleeved with a protective sleeve 4 inside, and a fixing belt 51 is sleeved with an outer wall of the protective sleeve 4. A fixing groove 52 is provided on the outer wall of the fixing belt 51. The fixing groove 52 is distributed on the outer wall of the fixing belt 51 in a circumferential array. An annular sliding groove 53 is provided on the outer wall of the fixing belt 51. A fixing block 54 is provided on the outer wall of the fixing groove 52. An adjusting rod 55 is fixedly connected to the outer wall of the fixing block 54. A telescopic belt 56 is fixedly connected to the outer wall of the fixing block 54. A limiting outer ring 57 is sleeved on the outer wall of the limiting outer ring 57. A plurality of gear lever limiting blocks 58 are fixedly connected to the outer wall of the limiting outer ring 57. The plurality of gear lever limiting blocks 58 are distributed on the limiting outer ring 57 in a circumferential array. The outer wall of the limiting outer ring 57 is provided with an arc-shaped slide groove 59, wherein, by arranging a limiting fastening mechanism 5 on the outer wall of the protective sleeve 4, the equipment can curl and fix the pipe sleeved inside it, and by pulling the fixing block 54, the fixing belt 51 can fasten the protective sleeve 4, which also increases the airtightness of the equipment, making it less likely to leak during operation and convenient for later maintenance. The outer wall of the protective sleeve cover 1 is fixedly connected with a plurality of protective baffles 2, and the plurality of protective baffles 2 are distributed in a circular array on the outer wall of the protective sleeve cover 1, and the protective sleeve cover 1 is symmetrically distributed on the outer walls of both sides of the protective sleeve 4. The protective baffles 2 distributed in a circular array enhance the rigidity of the equipment, making it less likely for the equipment to be bumped and damaged during operation, and at the same time It can also play a good protective role for the protective sleeve 4. The inner wall of the protective sleeve 4 is sleeved with a first protective layer 7, the inner wall of the first protective layer 7 is sleeved with a second protective layer 8, the inner wall of the second protective layer 8 is sleeved with an airtight blocking layer 9, the inner wall of the airtight blocking layer 9 is sleeved with a cold-keeping pipe body 10, the outer wall of the cold-keeping pipe body 10 is fixedly connected with a conveying pipe 11, and the conveying pipes 11 are symmetrically distributed on the outer walls of the two sides of the cold-keeping pipe body 10, wherein, by arranging a plurality of sleeved first protective layers 7, second protective layers 8, and airtight blocking layers 9 inside the protective sleeve 4, the protection of the equipment to the cold-keeping pipe body 10 and its airtightness are improved, the inner wall of the protective sleeve cover 1 is provided with a protective sleeve groove 6, and the protective sleeve groove 6 is sleeved with the cold-keeping pipe body 10, wherein, ... The sheath groove 6 can be the same as the connection pattern of multiple pipe grooves, so that when the equipment is working, its protection of the pipe groove is enhanced and the pipe groove is not easily damaged. The outer wall of the protective barrier rod 2 is fixedly connected with multiple limit rods 3, and the multiple limit rods 3 are distributed in a circular array on the outer wall of the protective sleeve cover 1, and the limit rod 3 is socketed with the barrier rod limit block 58. Among them, by socketing the limit rod 3 with the barrier rod limit block 58, the limit rod 3 can support and fix the barrier rod limit block 58, and can also effectively prevent the limit fastening mechanism 5 from detaching from the equipment. The diameter of the cold-keeping pipe body 10 is much smaller than the diameter of the protective sleeve 4, and the protective sleeve 4 is socketed with the cold-keeping pipe body 10 layer by layer, so that the protective sleeve 4 can protect the layer of pipes arranged inside it.
[0020] Working principle: when the device needs to be used, the operator pulls the adjusting rod 55, moves the fixing block 54 to a suitable position, and then fixes the fixing block 54 to the fixing slot 52, so that the fixing belt 51 can fasten the protective sleeve 4 and the coiled material inside it, and then fixes the conveying pipe 11 to the external connecting pipeline.
[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An environmentally friendly, corrosion-resistant PIR cold-keeping pipe, comprising a protective cover (1) and a position-limiting fastening mechanism (5), characterized in that: The protective sleeve (1) is sleeved with a protective sleeve (4) inside, the outer wall of the protective sleeve (4) is sleeved with a fixing belt (51), the outer wall of the fixing belt (51) is provided with fixing grooves (52), the fixing grooves (52) are distributed in a circular array on the outer wall of the fixing belt (51), the outer wall of the fixing belt (51) is provided with an annular sliding groove (53), the outer wall of the fixing groove (52) is provided with a fixing block (54), the fixing block (54) ) is fixedly connected to an adjusting rod (55), the outer wall of the fixing block (54) is fixedly connected to a telescopic belt (56), the outer wall of the fixing block (54) is sleeved with a limiting outer ring (57), the outer wall of the limiting outer ring (57) is fixedly connected to a plurality of gear lever limiting blocks (58), the plurality of gear lever limiting blocks (58) are distributed in a circular array on the outer wall of the limiting outer ring (57), and the outer wall of the limiting outer ring (57) is provided with an arc-shaped sliding groove (59).
2. The environmentally friendly, corrosion-resistant PIR cold-insulation pipe according to claim 1, characterized in that: The outer wall of the protective sleeve cover (1) is fixedly connected to a plurality of protective baffle bars (2), and the plurality of protective baffle bars (2) are distributed in a circular array on the outer wall of the protective sleeve cover (1), and the protective sleeve cover (1) is symmetrically distributed on the outer walls of both sides of the protective sleeve tube (4).
3. The environmentally friendly, corrosion-resistant PIR cold-insulation pipe according to claim 1, characterized in that: The inner wall of the protective sleeve (4) is sleeved with a first protective layer (7), the inner wall of the first protective layer (7) is sleeved with a second protective layer (8), the inner wall of the second protective layer (8) is sleeved with an airtight blocking layer (9), the inner wall of the airtight blocking layer (9) is sleeved with a cold-keeping pipe body (10), the outer wall of the cold-keeping pipe body (10) is fixedly connected with a delivery pipe (11), and the delivery pipes (11) are symmetrically distributed on the outer walls of both sides of the cold-keeping pipe body (10).
4. The environmentally friendly, corrosion-resistant PIR cold-insulation pipe according to claim 3 is characterized by: The inner wall of the protective sleeve cover (1) is provided with a protective sleeve groove (6), and the protective sleeve groove (6) is sleeved with the cold-insulating pipe body (10).
5. The environmentally friendly, corrosion-resistant PIR cold-insulation pipe according to claim 2, characterized in that: The outer wall of the protective barrier rod (2) is fixedly connected with a plurality of limit rods (3), and the plurality of limit rods (3) are distributed in a circular array on the outer wall of the protective sleeve cover (1), and the limit rods (3) are sleeved with the barrier rod limit blocks (58).
6. The environmentally friendly, corrosion-resistant PIR cold-insulation pipe according to claim 3, characterized in that: The diameter of the cold-keeping pipe body (10) is much smaller than the diameter of the protective sleeve (4), and the protective sleeve (4) and the cold-keeping pipe body (10) are sleeved in layers.