CN212283974U

CN212283974U - Tortoise shell net

Info

Publication number: CN212283974U
Application number: CN202020684100.1U
Authority: CN
Inventors: 李铭山
Original assignee: FUSHUN LIYUAN PETROCHEMICAL FITTINGS CO LTD
Current assignee: FUSHUN LIYUAN PETROCHEMICAL FITTINGS CO LTD
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-01-05
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a tortoise shell net, its characterized in that: form by being the mutual lock of trapezoidal wavy steel band, every net is the hexagon, connects through stationary dog (4) and rectangular hole (3) lock between the steel band, all is provided with mud claw (1) and corresponding opening (5) on the trapezoidal waist, mud claw (1) and opening (5) set up the border department at the steel band. The beneficial effects are that: the anchoring performance is enhanced, and the tortoise shell net in the structural form increases the overall performance of the high-abrasion-resistant lining and prevents flaking or large flakes from being stripped from the surface of the high-abrasion-resistant lining. The mud claws and the corresponding openings are positioned on the surface of the whole tortoise shell net, so that the anchoring of the high-wear-resistance lining on the surface is strengthened, and the flaking of the surface of the high-wear-resistance lining is further prevented.

Description

Tortoise shell net

Technical Field

The utility model belongs to the technical field of petrochemical, concretely relates to tortoise shell net of petrochemical catalytic cracking unit's lining anchor.

Background

At present, the inner walls of a plurality of containers in a catalytic cracking device of petrochemical industry need to be coated with a layer of wear-resistant lining, the wear-resistant lining needs to be anchored by a metal framework, and a tortoise-shell net is a commonly used lining anchoring structure.

The existing tortoise-shell nets are large in size, the existing tortoise-shell nets are provided with mud claws in the centers of tortoise-shell net strips, fixed claws of the tortoise-shell net strips are pressed inwards and attached to the tortoise-shell net strips, and cavities are not formed in the fixed claws. There are no mud claws in some grids, there are cavities between the fixing claws after the fixing claws of the tortoise shell net strip are inclined towards both sides, and a layer of net is added in the tortoise shell net grid, there are also mud claws on the tortoise shell net strip, there are cavities between the fixing claws of the tortoise shell net strip.

The tortoise-shell net in the above structural forms cannot prevent the flaking off of the surface layer of the high wear-resistant lining. The falling of the lining material can affect the normal operation of the device, and the device needs to be repaired in a shutdown mode when the falling of the lining material is serious.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem existing in the prior art, the utility model discloses the technical scheme who adopts is: the utility model provides a tortoise shell net, is formed by being the mutual lock connection of trapezoidal wavy steel band, and every net is the hexagon, connects through stationary dog and rectangular hole lock between the steel band, all is provided with mud claw and corresponding opening on the trapezoidal waist, mud claw and opening setting are in the border department of steel band. The trapezoidal wavy steel strip, the mud claws arranged on the trapezoidal wavy steel strip, the openings and the fixed claws are all formed by shearing, stamping and turning over the steel strip. The mud claws and the openings are arranged at the edge of the steel strip, the mud claws and the openings are not arranged in the middle of the steel strip but are positioned at the edge of the steel strip, and the design ensures that the mud claws and the openings are positioned at the surface of the whole tortoise shell net, so that the anchoring is strengthened on the high-wear-resistance lining on the surface, and the flaking of the surface of the high-wear-resistance lining is prevented.

Furthermore, two mud claws and an opening are arranged on each waist of the trapezoid, the two mud claws extend out in opposite directions and are perpendicular to the waist of the trapezoid, and four mud claws are arranged in each hexagonal grid. The two trapezoidal waists are respectively provided with two mud claws which extend out in opposite directions and are perpendicular to the trapezoidal waists and are Z-shaped, an opening is formed between the two mud claws, the steel belts are buckled and connected with each other through the fixed claws and the corresponding rectangular holes, the fixed claws arranged on one steel belt extend into the preset rectangular holes on the other steel belt and then are buckled, pressed and bent towards two sides and tightly attached to the steel belts, so that the whole tortoise-shell net is formed in a reciprocating mode, a cavity is formed between each pair of fixed claws, the design ensures that four mud claws, four openings and two cavities which are symmetrical up and down are uniformly distributed in each hexagon, four mud claws which are symmetrically arranged are arranged in each hexagon, the high-wear-resistant lining filler in each hexagon can be effectively anchored, and the high-wear-resistant lining filler is mutually connected between the adjacent hexagon grids through the four openings and the two cavities which are symmetrical, the tortoise shell net in this structure increases the whole performance of the high wear-resistant lining and prevents flaking or large flakes from flaking on the surface of the high wear-resistant lining.

Furthermore, each mud claw is provided with a circular or rectangular through hole. Further anchor the inside high wear-resisting lining filler of hexagonal net, increase anchoring force.

Furthermore, an extension part is welded on the mud claw. The lengthened mud claw further increases the contact area between the high-wear-resistance lining filler and the mud claw, and the high-wear-resistance lining filler inside the hexagonal grid is more effectively anchored, so that the anchoring force is increased.

Compared with the prior art, the beneficial effects of the utility model are that: this patent mud claw and corresponding opening are located the surface department of whole tortoise shell net, strengthen the anchor to the high wear-resisting lining on surface, prevent the flaking on high wear-resisting lining surface. The tortoise shell net has the advantages that four mud claws which are uniformly distributed are arranged inside each hexagonal grid of the tortoise shell net, two cavities which are symmetrical up and down are formed in the four openings, four mud claws which are symmetrically arranged are arranged inside each hexagon, high-abrasion-resistant lining filler inside the hexagonal grid can be effectively anchored, the high-abrasion-resistant lining filler is connected with the two cavities through the four openings which are symmetrical between the adjacent hexagonal grids, the connection area is increased, the anchoring performance is enhanced, the whole performance of the high-abrasion-resistant lining is improved through the tortoise shell net in the structural form, and flaking or large-piece associated flaking on the surface of the high-abrasion-resistant lining is prevented. The service life of the catalytic cracking device of the petrochemical industry is prolonged, the shutdown and maintenance times are reduced, and the production efficiency is greatly improved.

Drawings

Fig. 1 is a schematic view of the whole structure of the tortoise shell net of the present invention.

Fig. 2 is a schematic exploded view of the present invention.

Fig. 3 is a view from a-a of fig. 2 according to the present invention.

Fig. 4 is a schematic view of the overall structure of the present invention.

Fig. 5 is a schematic structural diagram of a single grid of the present invention.

Wherein: 1 mud claw, 2 cavities, 3 rectangular holes, 4 fixed claws and 5 openings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a tortoise shell net is formed by buckling and connecting trapezoid wavy steel belts, each grid is hexagonal, the steel belts are buckled and connected through fixing claws 4 and rectangular holes 3, the trapezoid waist is provided with mud claws 1 and corresponding openings 5, and the mud claws 1 and the openings 5 are arranged at the edges of the steel belts. The trapezoidal wavy steel strip, the mud claws arranged on the trapezoidal wavy steel strip, the openings and the fixed claws are all formed by shearing, stamping and turning over the steel strip. The mud claw 1 and the opening 5 are arranged at the edge of the steel strip, the mud claw 1 and the opening 5 are not arranged in the middle of the steel strip but are arranged at the edge of the steel strip, and the design ensures that the mud claw and the opening are arranged at the surface of the whole tortoise-shell net, so that the anchoring is strengthened on the high-wear-resistance lining of the surface, and the flaking of the surface of the high-wear-resistance lining is prevented.

Furthermore, two mud claws 1 and an opening 5 are arranged on each waist of the trapezoid, the two mud claws 1 extend out in opposite directions and are perpendicular to the waist of the trapezoid, and four mud claws 1 are arranged in each hexagonal grid. The two trapezoidal waists are respectively provided with two mud claws 1, the two mud claws 1 extend out in opposite directions and are perpendicular to the trapezoidal waists to form a Z shape, an opening 5 is arranged between the two mud claws 1, the steel belts are connected with each other in a buckling manner through the fixed claws 4 and the corresponding rectangular holes 3, the fixed claws 4 arranged on one steel belt extend into the rectangular holes 3 preset on the other steel belt, the two fixed claws 4 are buckled and bent towards two sides and are tightly attached to the steel belts, a cavity 2 is arranged between each pair of the fixed claws 4, the design ensures that four mud claws 1, four openings 5 and two cavities 2 which are vertically symmetrical are uniformly distributed in each hexagon, the four symmetrically arranged mud claws 1 are arranged in each hexagon, high-wear-resistant lining fillers in the hexagon grids can be effectively anchored, and the high-wear-resistant lining fillers are mutually connected between the adjacent hexagon grids through the four symmetrical openings 5 and the two cavities 2, the tortoise shell net in this structure increases the whole performance of the high wear-resistant lining and prevents flaking or large flakes from flaking on the surface of the high wear-resistant lining.

Furthermore, each mud claw 1 is provided with a circular or rectangular through hole. Further anchor the inside high wear-resisting lining filler of hexagonal net, increase anchoring force.

Further, the extension part is arranged on the mud claw 1 and welded at the tail end of the mud claw 1, the contact area between the high-wear-resistance lining filler and the mud claw 1 is further increased through the extended mud claw, the high-wear-resistance lining filler in the hexagonal grid is more effectively anchored, and the anchoring force is increased.

Further, the middle and the border of steel band can set up mud claw 1 and opening 5 simultaneously, and this design makes every hexagon inside have 8 evenly distributed's mud claw and 8 corresponding openings, and the tortoise shell net has two-layer parallel mud claw and opening, and the lining material layer of intercommunication is located whole tortoise shell net surface and steel band middle part respectively, and these two parallel to each other and the anchor structure of intercommunication strengthen the anchor to the high wear-resisting lining on surface, further prevent the flaking on high wear-resisting lining surface.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A tortoise shell net, which is characterized in that: form by being the mutual lock of trapezoidal wavy steel band, every net is the hexagon, connects through stationary dog (4) and rectangular hole (3) lock between the steel band, all is provided with mud claw (1) and corresponding opening (5) on the trapezoidal waist, mud claw (1) and opening (5) set up the border department at the steel band.

2. A tortoise-shell net according to claim 1, characterized in that: every trapezoidal waist all is provided with two mud claws (1) and an opening (5), two mud claws (1) stretch out and perpendicular to trapezoidal waist along opposite direction, have four mud claws (1) in every hexagonal net.

3. A tortoise-shell net according to claim 1, characterized in that: each mud claw (1) is provided with a circular or rectangular through hole.

4. A tortoise-shell net according to claim 1, characterized in that: the mud claw (1) is provided with an extension part, and the extension part is welded at the tail end of the mud claw (1).