Abrasion-proof grating structure of water cooling wall of boiler

Abstract

The utility model discloses an anti-abrasion grating structure of a water cooling wall of a boiler. The anti-abrasion grating structure comprises a grating body vertically arranged on the horizontal plane. The using assembly comprises boiler water cooling wall fins and boiler water cooling wall pipelines; the boiler water-cooled wall fins are arranged on the front wall of the grille body, the boiler water-cooled wall fins are installed at the front end of the grille body, and the using assembly further comprises a steam soot blower and an anti-abrasion pouring material area. The steam soot blower is installed at the front end of the grille body, the anti-abrasion pouring material area is arranged on the right side of the front end of the grille body, and anti-abrasion pouring materials in the anti-abrasion pouring material area are replaced with silicon carbide anti-abrasion pouring materials from common pouring materials. The problems that an existing anti-abrasion grating material for the water cooling wall of the boiler is a common castable, and when the common castable is used for protecting the heating surface of the water cooling wall, the castable is large in construction area, prone to falling off, thick in castable protection layer, high in overhaul cost and poor in heat conductivity, and consequently the smoke exhaust temperature of the boiler rises are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler water wall anti-abrasion technical field, in particular to a boiler water wall anti-abrasion grating structure. BACKGROUND

[0002] The boiler water wall anti-abrasion grating is an innovative solution for reducing water wall abrasion. It changes the flow direction and speed of flue gas and solid particles by installing specific anti-abrasion plates on the water wall, forming a protective barrier that effectively reduces the direct impact and abrasion of high-speed particles on the water wall.

[0003] The existing boiler water wall anti-abrasion grating material is ordinary castable, which has the problems of large castable construction area, easy to fall off, thick castable protective layer, high maintenance cost and poor thermal conductivity when protecting the water wall heating surface, causing the boiler exhaust gas temperature to rise. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a boiler water wall anti-abrasion grating structure to solve the problem of the existing boiler water wall anti-abrasion grating material being ordinary castable, which has the problems of large castable construction area, easy to fall off, thick castable protective layer, high maintenance cost and poor thermal conductivity when protecting the water wall heating surface, causing the boiler exhaust gas temperature to rise.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model is a boiler water wall anti-abrasion grating structure, which comprises:

[0007] The grating body is vertically arranged on the horizontal plane;

[0008] The use assembly comprises a boiler water wall fin and a boiler water wall pipeline;

[0009] The boiler water wall fin is arranged on the front wall of the grating body, and the boiler water wall fin is installed on the front end of the grating body.

[0010] Further, the use assembly further comprises a steam soot blower and an anti-abrasion cast material area;

[0011] The steam soot blower is installed on the front end of the grating body, and the anti-abrasion cast material area is arranged on the right side of the front end of the grating body.

[0012] Further, the anti-abrasion cast material area is arranged on the right lower side of the steam soot blower, and the 4th pipeline to the right is coated with 40*60*3cm thick cast material, and the anti-abrasion cast material area is the best position for the boiler water wall anti-abrasion cast material of the furnace soot blower.

[0013] Further, the anti-abrasion castable in the anti-abrasion castable area is replaced by a common castable.

[0014] Further, the anti-abrasion castable in the anti-abrasion castable area is replaced by a common castable.

[0015] Further, the auxiliary assembly is further included;

[0016] The auxiliary assembly includes a first clamping ring and a second clamping ring;

[0017] The first clamping ring is rotationally connected to the right end of the rear side of the grid body, and the second clamping ring is rotationally connected to the left end of the rear side of the grid body.

[0018] Further, the auxiliary assembly further includes a bolt, a first screw groove and a second screw groove;

[0019] The first screw groove is provided at one end of the first clamping ring, the second screw groove is provided at one end of the second clamping ring, and the bolt is threadedly connected to the inside of the second screw groove.

[0020] Further, the first screw groove and the second screw groove are arranged on the same central axis, and the bolt and the first screw groove are threadedly connected.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] The utility model discloses a boiler auxiliary assembly, which comprises a grid body, a steam soot blower and an anti-abrasion castable area.

[0023] Based on the above beneficial effects, the auxiliary assembly is provided, and the first clamping ring and the second clamping ring are aligned and clamped through the auxiliary cooperation between the first clamping ring and the second clamping ring, and the first clamping ring and the second clamping ring are threadedly limited through the bolt, so that the staff can stably install the grid, and the stability of the grid welding is increased. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creating creative labor.

[0025] Figure 1 It is the shaft side view of the utility model.

[0026] Figure 2 is another shaft side view of the utility model;

[0027] Figure 3 is a split view of the auxiliary assembly of the utility model;

[0028] Figure 4 is a welding view of the utility model.

[0029] In the drawings, the components represented by each reference numeral are listed as follows:

[0030] 11, grid body;

[0031] 21, boiler water wall fin; 22, boiler water wall pipe; 23, steam soot blower; 24, anti-abrasion cast material area;

[0032] 31, first snap ring; 32, second snap ring; 33, bolt; 34, first screw groove; 35, second screw groove. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0034] In the following description, a lot of specific details are set forth in order to give a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0035] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0036] Please refer to Figures 1-4 The embodiment is a boiler water wall anti-abrasion grid structure, which comprises:

[0037] The grid body 11 is vertically arranged on the horizontal plane;

[0038] The use assembly comprises a boiler water wall fin 21 and a boiler water wall pipe 22;

[0039] The boiler water wall fin 21 is arranged on the front wall of the grid body 11, and the boiler water wall fin 21 is installed on the front end of the grid body 11;

[0040] The use assembly further comprises a steam soot blower 23 and an anti-abrasion cast material area 24;

[0041] The steam soot blower 23 is installed at the front end of the grid body 11, and the anti-abrasion castable area 24 is arranged at the right side of the front end of the grid body 11.

[0042] The anti-abrasion castable area 24 is used to provide a casting space for the coating;

[0043] Through the auxiliary cooperation between the steam soot blower 23 and the anti-abrasion castable area 24, the stability and safety of the boiler are improved, the loss of maintenance materials is reduced, the construction area of the anti-abrasion castable is reduced, and the stability of the boiler combustion and the heat transfer effect of the heating surface are improved;

[0044] Working principle: when the staff uses the grid;

[0045] Firstly, by replacing the anti-abrasion castable in the anti-abrasion castable area 24 with silicon carbide anti-abrasion castable, the construction area of the anti-abrasion castable is reduced, and the stability of the boiler combustion and the heat transfer effect of the heating surface are improved;

[0046] Then, according to the steam nozzle of the furnace steam soot blower 23 and the initial point of steam spraying during soot blowing, the coating position of the anti-abrasion castable area 24 is planned;

[0047] This step is convenient for later maintenance and repair, not only simple and reliable in principle, but also obvious in expected effect of anti-abrasion, and has wide applicability.

[0048] Please refer to Figures 1-4 The embodiment further includes an auxiliary assembly on the basis of the above-mentioned embodiment.

[0049] The auxiliary assembly includes a first clasp 31 and a second clasp 32.

[0050] The first clasp 31 is rotationally connected to the right end of the rear side of the grid body 11, and the second clasp 32 is rotationally connected to the left end of the rear side of the grid body 11.

[0051] The auxiliary assembly further includes a bolt 33, a first screw groove 34 and a second screw groove 35.

[0052] The first screw groove 34 is arranged at one end of the first clasp 31, the second screw groove 35 is arranged at one end of the second clasp 32, and the bolt 33 is threadedly connected to the inside of the second screw groove 35.

[0053] The first clasp 31 and the second clasp 32 are arranged on the same central axis, the first clasp 31 is used to arrange the first screw groove 34, the second clasp 32 is used to arrange the second screw groove 35, the first screw groove 34 and the second screw groove 35 are arranged on the same central axis, and the bolt 33, the first screw groove 34 and the second screw groove 35 are threadedly connected.

[0054] Through the auxiliary cooperation between the first clasp 31 and the second clasp 32, the first clasp 31 and the second clasp 32 can be aligned and clamped, and the two are threadedly limited through the bolt 33.

[0055] Working principle: before the staff weld several groups of grids,

[0056] Firstly, through the auxiliary alignment of the first clasp 31 of one group of grids and the second clasp 32 of another group of grids, the first screw groove 34 opened at one end of the first clasp 31 and the second screw groove 35 opened at one end of the second clasp 32 can be located on the same central axis.

[0057] Then, clockwise rotating the bolt 33 threadedly connected in the second screw groove 35 can make one end of the bolt 33 and the first screw groove 34 threadedly connected, so as to complete the auxiliary connection between the two groups of grids and then weld.

[0058] This step can assist the staff in stably installing the grid and increase the stability of the grid welding.

[0059] In the description of the present application, it should be further pointed out that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0060] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A boiler waterwall abrasion protection grid structure, characterized by, Include: The grid body (11) is vertically arranged in the horizontal plane; The use assembly includes a boiler water wall fin (21) and a boiler water wall pipe (22); The boiler water wall fin (21) is arranged on the front wall of the grid body (11), and the boiler water wall fin (21) is installed on the front end of the grid body (11).

2. A boiler water wall abrasion protection grid structure according to claim 1, characterized in that, The use assembly further includes a steam soot blower (23) and a wear-resistant castable area (24); The steam soot blower (23) is installed on the front end of the grid body (11), and the wear-resistant castable area (24) is arranged on the right side of the front end of the grid body (11).

3. A boiler water wall abrasion protection grid structure according to claim 2, characterized in that The wear-resistant castable area (24) is arranged on the right lower side of the steam soot blower (23) to the right of the 40*60*3cm thick castable, and the wear-resistant castable area (24) is the best position of the furnace soot blower water wall wear-resistant castable.

4. A boiler water wall abrasion protection grid structure according to claim 2, characterized in that, The wear-resistant castable in the wear-resistant castable area (24) is replaced by ordinary castable.

5. A boiler water wall abrasion protection grid structure as claimed in claim 2, wherein, The steam soot blower (23) is mainly used for the position of the boiler water wall pipe wear position, which is generally the right lower side of the steam soot blower (23) from the 4th to the 10th pipe.

6. A boiler water wall abrasion protection grid structure as claimed in claim 1, wherein, Further comprising an auxiliary assembly; The auxiliary assembly includes a first clasp (31) and a second clasp (32); The first clasp (31) is rotatably connected to the right rear end of the grid body (11), and the second clasp (32) is rotatably connected to the left rear end of the grid body (11).

7. A boiler water wall abrasion protection grid structure according to claim 6, characterised in that, The auxiliary assembly further includes a bolt (33), a first screw groove (34) and a second screw groove (35); The first screw groove (34) is arranged at one end of the first clasp (31), the second screw groove (35) is arranged at one end of the second clasp (32), and the bolt (33) is screwedly connected to the inside of the second screw groove (35).

8. A boiler water wall abrasion protection grid structure according to claim 7, characterized in that The first screw groove (34) and the second screw groove (35) are arranged on the same center axis, and the bolt (33) and the first screw groove (34) are screwedly connected.

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