Thermal insulation sleeve for oxygen-nitrogen separation output pipeline

Abstract

The utility model provides an oxygen-nitrogen separation output pipeline heat preservation sleeve which comprises a mounting bottom plate, the mounting bottom plate is arranged in a double-layer mode, a communicating cavity with the two sides communicated in a penetrating mode is formed in the mounting bottom plate, a circular-ring-shaped connecting groove with an outward opening is formed in the end face of one side of the mounting bottom plate, and a sleeve is installed in the connecting groove. Columnar side rods are arranged at the two ends of the sleeve, and connecting holes with upward openings are formed in the two sides of the upper end face of the sleeve. According to the scheme, the telescopic supporting rod is grabbed, the multi-stage sleeve is taken down, then direct contact with the liquid nitrogen separation pipeline can be avoided, a worker can preliminarily judge the temperature of the surface of the internal liquid nitrogen separation pipeline through heat insulation protection of the sleeve, and the operation safety of a maintainer can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air separation manufacturing, in particular to an oxygen-nitrogen separation output pipeline insulation sleeve. Background Art

[0002] In the process of air separation manufacturing, when different low-temperature separations are used as process prerequisites, during the air separation process, since the separated gas temperature is low, when passing through the output pipeline, the temperature will be rapidly reduced due to the temperature propagation, and since the pipeline is exposed to the air, the temperature inside the output pipeline will change instantly.

[0003] Moreover, if there is not enough time to wait for the temperature of some output pipes to rise, workers may get frostbite if they touch them directly with their hands. If they wear gloves, some output pipes will be too small for workers to operate, which will reduce the efficiency of pipeline inspection and replacement. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides an oxygen-nitrogen separation output pipeline insulation sleeve, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: an oxygen-nitrogen separation output pipeline insulation sleeve, including a mounting base plate, the mounting base plate is double-layered, and a connecting cavity is provided in the mounting base plate with two sides passing through and connecting, and a circular connecting groove with an opening facing outward is provided on one end face of the mounting base plate, a sleeve is installed in the connecting groove, and columnar side rods are provided at both ends of the sleeve, and connecting holes with openings facing upward are provided on both sides of the upper end face of the sleeve, and the connecting holes are symmetrical on both sides, and two assembly rods are fixedly provided on the other end face of the sleeve, and the assembly rods on both sides are symmetrically positioned, and the assembly rods can be inserted into the connecting holes, thereby realizing multi-stage sleeve installation and superposition, and mounting holes are provided at the four corners of the mounting base plate and connected to the installation.

[0008] Preferably, a cold-isolating groove is provided on one side where the mounting base plates are connected to each other for filling connection.

[0009] Preferably, arc-shaped protective plates are sleeved at the sleeve connections on both sides, and the arc-shaped protective plates are divided into two symmetrical arc plates. Snap-on plates are fixed on both sides of one end surface of the arc-shaped protective plate, and the snap-on plates on both sides are installed and connected by threaded nuts.

[0010] Preferably, a supporting connecting plate is fixedly provided at the bottom of the arc-shaped protection plate on one side, and telescopic support rods at both ends are fixedly provided on the lower end surface of the supporting connecting plate, and the telescopic support rods at both ends are slidably connected through the telescopic rods.

[0011] Preferably, an opening is provided on the lower end surface of the telescopic support rod at the bottom to allow for an installation cavity to be opened.

[0012] Preferably, a support base is installed in the installation cavity.

[0013] (III) Beneficial effects

[0014] The utility model provides an insulation sleeve for oxygen-nitrogen separation output pipeline, which has the following beneficial effects:

[0015] 1. This solution can avoid direct contact with the liquid nitrogen separation pipeline by grabbing the telescopic support rod and removing the multi-stage sleeve. The thermal insulation protection of the sleeve can enable the staff to make a preliminary judgment on the surface temperature of the internal liquid nitrogen separation pipeline, which can improve the operational safety of the maintenance personnel.

[0016] 2. This solution achieves a stable support effect by supporting the base in contact with the ground, thereby ensuring that the sleeve plays a protective role on the outer end of the liquid nitrogen separation output pipeline. The stable support of the telescopic support rod makes the installation of the sleeve more stable, and the liquid nitrogen separation output pipeline can be output at a stable output angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 3 This is a front view of the structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 Cross-sectional view along the AA direction.

[0021] In the figure: 101, mounting base plate; 102, mounting hole; 103, supporting base; 104, telescopic support rod; 105, telescopic rod; 107, connecting hole; 108, arc-shaped protection plate; 109, sleeve; 110, connecting cavity; 111, supporting connecting plate; 112, mounting cavity; 113, clamping plate; 114, threaded nut; 115, cold insulation groove; 116, connecting groove; 117, assembly rod. DETAILED DESCRIPTION

[0022] The utility model embodiment provides an oxygen-nitrogen separation output pipeline insulation cover, such as Figure 1-4 As shown, it includes a mounting base plate 101, and the mounting base plate 101 has a double-layer arrangement. A connecting cavity 110 that penetrates and connects on both sides is provided in the mounting base plate 101. A circular connecting groove 116 that opens outward is provided on one end face of the mounting base plate 101. A sleeve 109 is installed in the connecting groove 116. Columnar side rods are provided at both ends of the sleeve 109. Connecting holes 107 that open upward are provided on both sides of the upper end face of the sleeve 109. The connecting holes 107 are symmetrical on both sides. Two assembling rods 117 are fixedly provided on the other end face of the sleeve 109. The assembling rods 117 on both sides are symmetrically positioned. The assembling rods 117 can be inserted into the connecting holes 107, thereby realizing the installation and stacking of multiple levels of sleeves 109. Mounting holes 102 are provided at the four corners of the mounting base plate 101 and are connected to the installation.

[0023] It should be further explained that the installation base plate 101 is made of ultra-low temperature resistant material.

[0024] Furthermore, a cold-isolating groove 115 is provided on one side where the mounting base plates 101 are connected to each other for filling and connection.

[0025] Furthermore, an arc-shaped protective plate 108 is sleeved at the connection of the sleeves 109 on both sides. The arc-shaped protective plate 108 is divided into two symmetrical arc plates. A clamping plate 113 is fixed on both sides of the end surface of one side of the arc-shaped protective plate 108. The clamping plates 113 on both sides are installed and connected by threaded nuts 114.

[0026] Furthermore, a supporting connecting plate 111 is fixedly provided at the bottom of the arc-shaped protection plate 108 on one side, and telescopic support rods 104 at both ends are fixedly provided at the lower end surface of the supporting connecting plate 111 , and the telescopic support rods 104 at both ends are slidably connected through the telescopic rod 105 .

[0027] It should be further explained that the telescopic rod 105 is inserted into the telescopic support rods 104 on both sides, and is telescopically and fixedly connected to the inner wall of the telescopic support rod 104 via a spring.

[0028] Furthermore, an open mounting cavity 112 is formed on the lower end surface of the telescopic support rod 104 at the bottom.

[0029] Furthermore, a support base 103 is installed in the installation cavity 112 .

[0030] It is worth noting that a thread groove is provided in the installation cavity 112 , and the support base 103 can be threadedly connected to the inside of the installation cavity 112 .

[0031] It should be noted that the support base 103 can contact the ground to provide a stable support.

[0032] When using this solution, first, the two mounting base plates 101 are installed to the outer surface of the output port of the nitrogen and oxygen separation equipment by means of threaded fixing. At this time, the nitrogen and oxygen separation output pipeline is passed into the connecting cavity 110 between the mounting base plates 101 on both sides, and the cold isolation groove 115 is filled with air between the connecting cavity 110 and the output pipeline to achieve ultra-low temperature isolation, thereby protecting the box wall of the liquid nitrogen separation box from being affected by the ultra-low temperature and causing rupture.

[0033] Subsequently, according to the length of the nitrogen oxygen separation pipeline, a multi-stage sleeve 109 is sleeved on the surface, and the assembly rod 117 of the sleeve 109 cooperates with the connecting hole 107 to perform multi-stage accumulation, and an arc-shaped protective plate 108 is sleeved between the sleeves 109 on both sides and a threaded nut 114 is used to achieve a stable connection effect, thereby preventing gaps in the accumulation area between the multi-stage sleeves 109 from causing low-temperature leakage.

[0034] After the preliminary installation of the sleeve 109 is completed, a telescopic support rod 104 can be installed at the bottom of each level of the arc-shaped protection plate 108, and the length can be adjusted through the telescopic rod 105, and the support base 103 is in contact with the ground to achieve a stable support effect, thereby ensuring that the sleeve 109 plays a protective effect on the outer end of the liquid nitrogen separation output pipeline. Through the stable support of the telescopic support rod 104, the installation of the sleeve 109 is more stable, and the liquid nitrogen separation output pipeline can be output at a stable output angle.

[0035] When the staff needs to enter the maintenance room, they can directly avoid direct contact with the liquid nitrogen separation pipeline by grabbing the telescopic support rod 104 and removing the multi-stage sleeve 109. The heat insulation protection of the sleeve 109 can enable the staff to make a preliminary judgment on the surface temperature of the internal liquid nitrogen separation pipeline, and can also improve the operating safety of the maintenance personnel.

[0036] 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. Oxygen and nitrogen separation output pipeline insulation cover, characterized by: The invention comprises a mounting base plate (101), wherein the mounting base plate (101) is double-layered, and a connecting cavity (110) is provided in the mounting base plate (101) and is connected with two sides thereof. A connecting groove (116) opening outward is provided on one end surface of the mounting base plate (101), and a sleeve (109) is installed in the connecting groove (116). Connecting holes (107) opening upward are provided on both sides of the upper end surface of the sleeve (109), and the connecting holes (107) are symmetrical on both sides. Two assembly rods (117) are fixedly provided on the other end surface of the sleeve (109), and the assembly rods (117) on both sides are symmetrically positioned, and the assembly rods (117) can be inserted into the connection holes (107). The mounting base plate (101) is provided with mounting holes (102) at four corners and is connected to the mounting holes.

2. The oxygen-nitrogen separation output pipeline insulation cover according to claim 1, characterized in that: A cold-isolating groove (115) is provided on one side where the mounting base plates (101) are connected to each other for filling and connection.

3. The oxygen-nitrogen separation output pipeline insulation cover according to claim 1, characterized in that: An arc-shaped protective plate (108) is sleeved at the connection of the sleeves (109) on both sides. The arc-shaped protective plate (108) is divided into two symmetrical arc plates. A clamping plate (113) is fixedly provided on both sides of the end surface of one side of the arc-shaped protective plate (108). The clamping plates (113) on both sides are installed and connected by threaded nuts (114).

4. The oxygen-nitrogen separation output pipeline insulation cover according to claim 3, characterized in that: A supporting connection plate (111) is fixedly provided at the bottom of the arc-shaped protection plate (108) on one side, and telescopic support rods (104) at both ends are fixedly provided on the lower end surface of the supporting connection plate (111), and the telescopic support rods (104) at both ends are slidably connected via a telescopic rod (105).

5. The oxygen-nitrogen separation output pipeline insulation cover according to claim 4, characterized in that: The lower end surface of the telescopic support rod (104) at the bottom is provided with an open mounting cavity (112).

6. The oxygen-nitrogen separation output pipeline insulation cover according to claim 5, characterized in that: A supporting base (103) is installed in the installation cavity (112).

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