Heat-proof and high-temperature-resistant stainless steel pipe

Abstract

The utility model discloses a heatproof high-temperature-resistant stainless steel pipe which comprises a pipe body, flanges are arranged on and fixedly connected with the circumferential outer walls of the two ends of the pipe body in a sleeved mode, installation grooves are symmetrically formed in the middles of the front sides and the rear sides of the faces, close to each other, of the two flanges, and fixing mechanisms are installed in the installation grooves. Two flanges are arranged on the outer side of the pipeline body, positioning grooves are formed in the middles of the upper ends and the lower ends of the faces, close to each other, of the two flanges, the outer side of the pipeline body is sleeved with a heat preservation sleeve, and the outer side of the heat preservation sleeve is sleeved with a protection sleeve. The protective sleeve and the heat preservation sleeve are both of a combined structure, the protective sleeve is fixed and locked through the fixing mechanism installed on the flange, the heat preservation sleeve can be protected through the protective sleeve, if replacement needs to be carried out, only a rotating plate of the fixing mechanism needs to be rotated out of a supporting plate on the protective sleeve, then disassembly can be carried out, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipes, in particular to a heat-proof and high-temperature resistant stainless steel pipe. Background Art

[0002] High temperature resistant stainless steel pipe, also known as 310S (0Cr25Ni20) stainless steel, is an austenitic chromium-nickel stainless steel with excellent oxidation resistance and corrosion resistance. Due to the higher percentage of chromium and nickel, it has much better creep strength, can operate continuously at high temperatures, and has good high temperature resistance. Due to the high nickel and chromium content, it has good oxidation resistance, corrosion resistance, acid and alkali resistance, and high temperature resistance. It can be used for the transmission of gas or liquid. Since the stainless steel pipe is strong, high temperature resistant and corrosion resistant, it can ensure the long-term and stable operation of the equipment.

[0003] At present, when high-temperature resistant stainless steel pipes used in medical treatment are transporting high-temperature materials, in order to reduce the loss of heat in the process of heat transfer, the outside of the pipes are usually wrapped with insulation materials to make the stainless steel pipes have the function of heat preservation. However, as the use time increases, the insulation materials will be damaged and need to be replaced. The insulation materials are mostly wrapped around the outside of the pipes by winding, which is troublesome, time-consuming and labor-intensive to replace. Utility Model Content

[0004] The utility model aims to provide a heat-resistant and high-temperature resistant stainless steel pipe to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat-proof and high-temperature resistant stainless steel pipe, comprising a pipe body, flanges are sleeved and fixedly connected on the circumferential outer walls at both ends of the pipe body, mounting grooves are symmetrically provided in the middle of the front and rear sides of the two flanges on the side close to each other, fixing mechanisms are installed inside the mounting grooves, positioning grooves are provided in the middle of the upper and lower ends of the two flanges on the side close to each other, an insulation sleeve is sleeved on the outer side of the pipe body, a protective sleeve is sleeved on the outer side of the insulation sleeve, the protective sleeve and the insulation sleeve are both combined structures, sleeve plates are symmetrically sleeved on the outer sides of both ends of the protective sleeve, the sleeve plates are both semicircular ring structures, support plates are fixedly connected on the circumferential outer walls of the two sleeve plates on the same side that are pressed together and in conflict with each other, a slot is provided on the side of the support plate away from the middle of the pipe body, and a through groove is provided on the side wall of the two support plates on the same side away from each other;

[0006] The fixing mechanisms all include a rotating shaft, and the rotating shafts are vertically rotatably connected to the inside of the installation grooves. The middle parts of the upper and lower ends of the rotating shafts are sleeved and fixedly connected with rotating plates, and the rotating plates are all inserted into the slots on the support plates on the same side. The two rotating plates on the same rotating shaft are fixedly connected to the sides away from each other with support rods, and the support rods are clamped into the inside of the through grooves on the support plates on the same side.

[0007] Preferably, a positioning strip is fixedly connected to one side of the sleeve plate away from the middle of the pipe body, and the positioning strip is clamped in a positioning groove on the flange on the same side.

[0008] Preferably, a positioning sleeve is sleeved and fixedly connected to the outer side of the middle part of the rotating shaft, and the upper and lower ends of the positioning sleeve are both against the rotating plate on the same side.

[0009] Preferably, the thickness of the rotating plate is the same as the depth of the slot in which it is located, both sides of the rotating plate are semicircular structures, and the side of the rotating plate away from the middle of the pipe body is located on the same center line as the rotating shaft.

[0010] Preferably, the support rods are all T-shaped structures, and the ends of the two support rods on the same side that are away from each other extend to the outside of the support plate on the same side, and the diameters of the ends of the two support rods on the same side that are away from each other are larger than the diameters of the ends that are close to each other.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the insulation sleeve of the utility model is covered on the outside of the pipe body through the protective sleeve, and the protective sleeve and the insulation sleeve are both combined structures, and the protective sleeve is fixed and locked by a fixing mechanism installed on the flange, and the insulation sleeve can be protected by the protective sleeve. If replacement is required, only the rotating plate of the fixing mechanism needs to be turned out from the support plate on the protective sleeve, and then it can be disassembled, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a side cutaway structural schematic diagram of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the thermal insulation cover and the protective cover of the utility model;

[0014] Figure 3 It is a schematic diagram of the structure of the utility model;

[0015] Figure 4 It is a schematic diagram of the side cutaway structure of the flange of the utility model;

[0016] Figure 5 This is a schematic diagram of the flange structure of the utility model;

[0017] Figure 6 It is a schematic diagram of the external structure of the utility model.

[0018] In the figure: 1. Pipe body; 2. Insulation sleeve; 3. Protective sleeve; 4. Sleeve plate; 5. Support plate; 6. Slot; 7. Through slot; 8. Flange; 9. Fixing mechanism; 91. Rotating shaft; 92. Rotating plate; 93. Support rod; 94. Positioning sleeve; 10. Mounting slot; 11. Positioning slot; 12. Positioning strip. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-6 The utility model provides a technical solution: a heat-resistant and high-temperature resistant stainless steel pipe, comprising a pipe body 1, flanges 8 are sleeved and fixedly connected on the circumferential outer walls at both ends of the pipe body 1, mounting grooves 10 are symmetrically provided in the middle of the front and rear sides of the two flanges 8 that are close to each other, and fixing mechanisms 9 are installed inside the mounting grooves 10, positioning grooves 11 are provided in the middle of the upper and lower ends of the two flanges 8 that are close to each other, an insulation sleeve 2 is sleeved on the outer side of the pipe body 1, a protective sleeve 3 is sleeved on the outer side of the insulation sleeve 2, and the protective sleeve 3 and the insulation sleeve 2 are both combined structures, and sleeve plates 4 are symmetrically sleeved on the outer sides of both ends of the protective sleeve 3, and the sleeve plates 4 are both semicircular ring structures, and support plates 5 are fixedly connected on the circumferential outer walls of the two sleeve plates 4 on the same side that are against each other and in conflict, and the support plates 5 are away from the pipe body. A slot 6 is provided on one side of the middle part of the body 1, and a through slot 7 is provided on the side wall of the two support plates 5 on the same side away from each other; the fixing mechanism 9 includes a rotating shaft 91, and the rotating shaft 91 is vertically rotatably connected to the inside of the mounting groove 10, and a rotating plate 92 is sleeved and fixedly connected in the middle of the upper and lower ends of the rotating shaft 91, and the rotating plate 92 is inserted into the slot 6 on the support plate 5 on the same side, and the two rotating plates 92 on the same rotating shaft 91 are fixedly connected to the side away from each other with a support rod 93, and the support rod 93 is clamped in the through slot 7 on the support plate 5 on the same side. When in use, the support plate 5 is fixed to the flange 8 together with the sleeve plate 4 by inserting the rotating plate 92 and the support rod 93 into the slot 6 and the through slot 7 on the support plate 5 on the same side respectively, and the two sleeve plates 4 on the same side are pressed together, so as to facilitate fixing the two protective sleeves 3 together.

[0021] The thickness of the rotating plate 92 is the same as the depth of the slot 6, and both sides of the rotating plate 92 are semicircular structures. The side of the rotating plate 92 away from the middle of the pipe body 1 is located on the same center line as the rotating shaft 91, which is convenient for receiving the rotating plate 92 in the installation groove 10. The support rods 93 are T-shaped structures, and the ends of the two support rods 93 on the same side that are away from each other extend to the outside of the support plate 5 on the same side. The diameter of the ends of the two support rods 93 on the same side that are away from each other is larger than the diameter of the ends close to each other, which is convenient for replacing the insulation. When sleeve 2 is inserted, the rotating plate 92 is rotated out of the slot 6. The side of the sleeve plate 4 away from the middle of the pipeline body 1 is fixedly connected with a positioning strip 12. The positioning strips 12 are all clamped in the positioning grooves 11 on the flange 8 on the same side, which is convenient for fixing the position of the sleeve plate 4. The middle outer side of the rotating shaft 91 is sleeved and fixedly connected with a positioning sleeve 94. The upper and lower ends of the positioning sleeve 94 are both against the rotating plate 92 on the same side, which is convenient for supporting the two rotating plates 92 on the same side and reducing the load on the connection between the rotating plate 92 and the rotating shaft 91.

[0022] Specifically, during installation, the insulation sleeve 2 is sleeved on the outside of the pipe body 1, and then the first protective sleeve 3 is sleeved on the outside of the insulation sleeve 2, the sleeve plate 4 is clamped on the outside of the protective sleeve 3, and the positioning strip 12 on the sleeve plate 4 is inserted into the positioning groove 11 on the flange 8 on the same side, and the two sleeve plates 4 on the same side and the set support plate 5 are pressed together, and then the rotating plate 92 is rotated, and the rotating plate 92 and the set support rod 93 are respectively inserted into the slot 6 and the through groove 7 on the support plate 5 on the same side, and the support plate 5 is tightened and fixed on the flange 8 on the same side, and the two support plates 5 on the same side and the sleeve plate 4 are fixed together, and the two protective sleeves 3 are fixed together. , wrap the two insulation sleeves 2 together through two protective sleeves 3 and press them against the pipeline body 1, then connect the pipeline body 1 with other pipelines through flange 8, and then start to transport high-temperature substances. The insulation sleeve 2 arranged on the outside of the pipeline body 1 can slow down the heat consumed in the process of transporting high-temperature substances, and the protective sleeve 3 can protect the insulation sleeve 2. Later, when replacing the insulation sleeve 2, rotate the rotating plate 92 in the opposite direction through the support rod 93, receive the rotating plate 92 in the mounting groove 10 on the same side, remove the sleeve plate 4, the protective sleeve 3 and the insulation sleeve 2 in turn, and repeat the above operation to replace a new insulation sleeve 2.

[0023] 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. A heat-resistant and high-temperature resistant stainless steel pipe, characterized in that: The invention comprises a pipe body (1), flanges (8) are sleeved and fixedly connected on the circumferential outer walls of both ends of the pipe body (1), mounting grooves (10) are symmetrically provided in the middle of the front and rear sides of the two flanges (8) on the side close to each other, fixing mechanisms (9) are installed inside the mounting grooves (10), positioning grooves (11) are provided in the middle of the upper and lower ends of the two flanges (8) on the side close to each other, a heat preservation sleeve (2) is sleeved on the outside of the pipe body (1), and a waterproof sleeve (2) is sleeved on the outside of the heat preservation sleeve (2). A protective sleeve (3), wherein the protective sleeve (3) and the heat-insulating sleeve (2) are both of a combined structure, and sleeve plates (4) are symmetrically sleeved on the outer sides of both ends of the protective sleeve (3), and the sleeve plates (4) are both of a semicircular ring structure, and support plates (5) are fixedly connected to the circumferential outer walls of the two sleeve plates (4) on the same side that are pressed together and in contact with each other, and a slot (6) is provided on the side of the support plates (5) away from the middle of the pipeline body (1), and a through groove (7) is provided on the side wall of the two support plates (5) on the same side that is away from each other; The fixing mechanisms (9) each comprise a rotating shaft (91), the rotating shaft (91) each being vertically rotatably connected inside the mounting groove (10) where it is located, a rotating plate (92) being sleeved and fixedly connected at the middle of the upper and lower ends of the rotating shaft (91), the rotating plates (92) each being inserted into the inside of a slot (6) on the support plate (5) on the same side, and a support rod (93) being fixedly connected at the far side of the two rotating plates (92) on the same rotating shaft (91), the support rod (93) each being clamped into the inside of a through slot (7) on the support plate (5) on the same side.

2. The heat-resistant and high-temperature-resistant stainless steel pipe according to claim 1, characterized in that: A positioning strip (12) is fixedly connected to one side of the sleeve plate (4) away from the middle of the pipeline body (1), and the positioning strip (12) is clamped in a positioning groove (11) on the flange (8) on the same side.

3. The heat-resistant and high-temperature-resistant stainless steel pipe according to claim 1, characterized in that: A positioning sleeve (94) is sleeved and fixedly connected to the outer side of the middle part of the rotating shaft (91), and the upper and lower ends of the positioning sleeve (94) are both against the rotating plate (92) on the same side.

4. The heat-resistant and high-temperature-resistant stainless steel pipe according to claim 1, characterized in that: The thickness of the rotating plate (92) is the same as the depth of the slot (6) in which it is located. Both sides of the rotating plate (92) are semicircular structures. The side of the rotating plate (92) away from the middle of the pipeline body (1) is located on the same center line as the rotating shaft (91).

5. The heat-resistant and high-temperature-resistant stainless steel pipe according to claim 1, characterized in that: The support rods (93) are all T-shaped structures, and the ends of the two support rods (93) on the same side that are away from each other extend to the outside of the support plate (5) on the same side, and the diameters of the ends of the two support rods (93) on the same side that are away from each other are larger than the diameters of the ends that are close to each other.

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