Corrosion-resistant furnace tube for petrochemical tubular furnace

Abstract

The utility model provides an anti-corrosion furnace tube for a petrochemical tubular furnace, which comprises a furnace tube body, an anti-collision protective sleeve is sleeved on the outer side of the furnace tube body, and an anti-abrasion protective sleeve is arranged on the inner side of the furnace tube body. The outer side of the furnace tube body is sleeved with the anti-collision protection sleeve, damage caused by collision between the furnace tube bodies can be reduced, the reinforcing strips are arranged on the anti-collision protection sleeve, the strength of the anti-collision protection sleeve can be enhanced, stronger impact and collision can be resisted, dust impurities and water vapor in air can be prevented from being accumulated on the outer surface side of the anti-collision protection sleeve, and the service life of the furnace tube is prolonged. The inner side of the furnace tube body is provided with the anti-wear protective sleeve, dust impurities and water vapor in air can be prevented from being accumulated on the inner surface side of the furnace tube body, on one hand, abrasion to the surface is prevented, and on the other hand, rusting and corrosion of the furnace tube caused by water vapor accumulation are prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a furnace tube, concretely is a kind of anti-corrosion type furnace tube for petroleum chemical tubular furnace. BACKGROUND

[0002] Tubular furnace furnace tube is a kind of long strip steel with hollow section, and there is no joint on the periphery.Tubular furnace furnace tube is a kind of economic section steel, and it is also an indispensable material for various conventional weapons.Tubular furnace furnace tube is mostly high-temperature-resistant and corrosion-resistant tube body.Tubular furnace furnace tube may collide with each other during transportation, which may cause damage to the surface, or dust and moisture in the air may accumulate on the inside and outside of the tubular furnace furnace tube during storage, and some particles in the dust may wear the inner and outer walls.Therefore, the problem needs to be solved, and the utility model provides an anti-corrosion type furnace tube for petroleum chemical tubular furnace. SUMMARY

[0003] The utility model aims at providing an anti-corrosion type furnace tube for petroleum chemical tubular furnace to solve the problems in the background art.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: an anti-corrosion type furnace tube for petroleum chemical tubular furnace, comprising a furnace tube body, an anti-collision protective sleeve is provided outside the furnace tube body, and an anti-wear protective sleeve is provided inside the furnace tube body.

[0005] The anti-collision protective sleeve comprises an elastic inner layer and a protective soft outer layer, a plurality of component sliding grooves are provided on the protective soft outer layer, and a reinforcing strip is installed in the component sliding groove.

[0006] The anti-wear protective sleeve comprises an anti-wear elastic layer and a protective reinforcing layer, a plurality of support sliding grooves are provided on the protective reinforcing layer, and the ends of the support arm are placed in the support sliding groove.

[0007] The number of support arms is 3-6.

[0008] Compared with the prior art, the utility model has the following advantages: the furnace tube body is provided with an anti-collision protective sleeve, which can reduce the damage caused by the collision between the furnace tube bodies, and a plurality of reinforcing strips are provided on the anti-collision protective sleeve, which can enhance the strength of the anti-collision protective sleeve and resist stronger impact and collision, and can also prevent dust and moisture in the air from accumulating on the outer surface of the furnace tube body, and the furnace tube body is provided with an anti-wear protective sleeve on the inside, which can prevent dust and moisture in the air from accumulating on the inner surface of the furnace tube body, on the one hand, to prevent wear on the surface, and secondly, to prevent rust and corrosion caused by the accumulation of water vapor. BRIEF DESCRIPTION OF DRAWINGS

[0009] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification. In the drawings:

[0010] Figure 1 is a structural schematic view of the present application;

[0011] Figure 2 is Figure 1 is an enlarged view of A in the figure;

[0012] Figure 3 is Figure 1 is an enlarged view of B in the figure;

[0013] In the figure: 1 furnace tube body; 2 anti-collision protective sleeve; 21 elastic inner layer; 22 protective soft outer layer; 3 anti-abrasion protective sleeve; 31 anti-abrasion elastic layer; 32 protective reinforcing layer; 4 component sliding groove; 5 reinforcing strip; 6 support piece sliding groove; 7 support piece branch arm. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0015] Please refer to Figures 1-3 The present application provides a technical scheme: an anti-corrosion furnace tube for a petroleum chemical tubular furnace, which comprises a furnace tube body 1, an anti-collision protective sleeve 2 is sleeved on the outer side of the furnace tube body 1, and an anti-abrasion protective sleeve 3 is arranged on the inner side thereof.

[0016] The anti-collision protective sleeve 2 comprises an elastic inner layer 21 and a protective soft outer layer 22, a plurality of component sliding grooves 4 are arranged along the circumference on the protective soft outer layer 22, and reinforcing strips 5 are installed in the component sliding grooves 4, so as to enhance the overall strength of the anti-collision protective sleeve 2.

[0017] The anti-abrasion protective sleeve 3 comprises an anti-abrasion elastic layer 31 and a protective reinforcing layer 32, a plurality of support piece sliding grooves 6 are arranged along the circumference on the protective reinforcing layer 32, and the ends of support piece branch arms 7 are arranged in the support piece sliding grooves 6 one by one.

[0018] The number of the support piece branch arms 7 is 3-6, preferably 3, which can ensure the stability of the anti-abrasion protective sleeve 3 as a whole.

[0019] It is to be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0020] Finally, it should be noted that the above-described embodiments are merely possible examples of implementing the present application, and thus are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified by those skilled in the art, or some technical features thereof can be replaced equivalently. Any modification, equivalent replacement, improvement, and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A corrosion resistant furnace tube for use in a petrochemical tubular furnace, comprising a furnace tube body (1), characterized in that: The furnace tube body (1) is provided with an anti-collision protective sleeve (2) outside and an anti-abrasion protective sleeve (3) inside, the anti-collision protective sleeve (2) comprises an elastic inner layer (21) and a protective soft outer layer (22), a plurality of component sliding grooves (4) are arranged on the protective soft outer layer (22) along the circumference, and a reinforcing strip (5) is installed in the component sliding groove (4), the anti-abrasion protective sleeve (3) comprises an anti-abrasion elastic layer (31) and a protective reinforcing layer (32), a plurality of support sliding grooves (6) are arranged on the protective reinforcing layer (32) along the circumference, and the end portions of support branch arms (7) are respectively arranged in the support sliding grooves (6).

2. The corrosion resistant furnace tube for use in a petrochemical tubular furnace according to claim 1, characterized in that: The number of the support branch arms (7) is 3-6.

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