CN210463031U

CN210463031U - Novel grate block

Info

Publication number: CN210463031U
Application number: CN201921339243.2U
Authority: CN
Inventors: 周生光
Original assignee: Shanghai Nany Environmental Protection Tech Co Ltd; Shanghai Nany Environmental Protection Technology Co Ltd
Current assignee: Shanghai Nany Environmental Protection Tech Co Ltd; Shanghai Nany Environmental Protection Technology Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-05-05
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a novel grate block, which belongs to the field of waste incineration equipment, and comprises a connecting part and a bearing part which are connected, wherein the width of the connecting part is less than that of the bearing part, the bottom surface of the connecting part is provided with a clamping groove arranged along the width direction of the grate block, two ends of the clamping groove respectively run through two ends of the connecting part in the width direction, and the opening of the clamping groove faces downwards; the bearing part comprises a top surface and a bottom surface which are parallel to each other, a weight reducing concave cavity is arranged on one side of the bottom surface close to the connecting part, a plurality of reinforcing rib plates which are parallel to the length direction of the fire grate block are arranged in the weight reducing concave cavity, and the plurality of reinforcing rib plates are uniformly distributed at intervals along the width direction of the fire grate block; one side of the weight-reducing concave cavity, which is far away from the connecting part, is provided with a plurality of air outlets which are uniformly distributed at intervals along the width direction of the fire grate block, the air outlets have certain taper, and the small ends of the air outlets penetrate through the top surface. The utility model has the advantages of simple structure and reasonable design, can effectual reduction manufacturing cost and wearing and tearing to and reduce the possibility that the gas outlet blockked up.

Description

Novel grate block

Technical Field

The utility model relates to a waste incineration equipment field, in particular to novel grate block.

Background

Generally, one of the common treatment methods of domestic waste is to throw into the waste incineration device and burn and be used for the electricity generation, what the waste incineration device adopted at present is mechanical grate type incinerator usually, this kind of incinerator includes the grate block of fixed and activity, both are with ladder mode staggered arrangement, reciprocating motion through the grate block of activity impels rubbish constantly to move forward in the burning, because there is sliding friction during relative motion between activity grate block and the fixed grate block, consequently under high temperature environment, mechanical wear because of relative slip produces between the two is the leading cause that grate block loss was changed, and because current grate block overall structure is great, it is inconvenient inadequately to change and process. In addition, an air outlet used for supplying air to garbage carried at the upper part of the existing grate block is easily blocked by the garbage, the garbage combustion efficiency is influenced, and the garbage is insufficiently combusted.

SUMMERY OF THE UTILITY MODEL

To the problem that the grate block structure size that prior art exists is big, the design is reasonable inadequately and the air outlet blocks up easily, the utility model aims to provide a novel grate block.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a novel fire grate block comprises a connecting part and a bearing part which are connected, wherein the width of the connecting part is smaller than that of the bearing part, a clamping groove arranged along the width direction of the fire grate block is formed in the bottom surface of the connecting part, two ends of the clamping groove respectively penetrate through two ends of the connecting part in the width direction, and the opening of the clamping groove faces downwards; the bearing part comprises a top surface and a bottom surface which are parallel to each other, a weight-reducing concave cavity is arranged on one side of the bottom surface close to the connecting part, a plurality of reinforcing rib plates which are parallel to the length direction of the fire grate block are arranged in the weight-reducing concave cavity, and the plurality of reinforcing rib plates are uniformly distributed at intervals along the width direction of the fire grate block; one side of the weight-reducing concave cavity, which is far away from the connecting part, is provided with a plurality of air outlets which are uniformly distributed at intervals along the width direction of the fire grate block, the air outlets have certain taper, and the small ends of the air outlets penetrate through the top surface.

Preferably, the cross section of the air outlet is in a long strip shape, and the cross section of the air outlet is parallel to the length direction of the fire grate block.

Preferably, the reinforcing rib plate is arranged between two adjacent air outlets.

Preferably, the side wall of the weight-reducing cavity on the side far away from the connecting part is inclined from the top surface to the bottom surface of the bearing part to the direction close to the connecting part.

Preferably, the connecting part and the bearing part are integrally formed.

Preferably, one end of the top surface, which is far away from the connecting part, is provided with a chamfer or a radius.

By adopting the technical scheme, the width of the connecting part is smaller, so that the size of the part, which needs to be processed, of the clamping groove arranged on the connecting part is effectively reduced, the processing cost is reduced, and the weight is also reduced; the arrangement of the weight-reducing concave cavity is beneficial to reducing the weight of the fire grate block on one hand, and air forms turbulent flow on the bottom surface of the fire grate block on the other hand, so that better aggregation can be realized, and the waste incineration efficiency can be improved; the taper design that the small end of the air outlet faces upwards ensures that garbage impurities at the small end of the air outlet cannot accumulate in the air outlet to block the air outlet; simultaneously, the setting that has the gas outlet of tapering for air flow rate obtains improving, guarantees that the penetrating power of air in rubbish inside can obtain further promotion.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a bottom view of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 5 is a sectional view taken along line B-B in fig. 2.

In the figure, 1-a connecting part, 2-a bearing part, 21-a top surface, 22-a bottom surface, 23-a chamfer or a radius, 3-a clamping groove, 4-a weight-reducing cavity, 5-a reinforcing rib plate and 6-an air outlet.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-5, a novel grate block comprises a connecting part 1 and a bearing part 2 which are connected, wherein the width of the connecting part 1 is smaller than that of the bearing part 2, a clamping groove 3 arranged along the width direction of the grate block is arranged on the bottom surface of the connecting part 1, two ends of the clamping groove 3 respectively penetrate through two ends of the connecting part 1 in the width direction, and an opening of the clamping groove 3 faces downwards;

the bearing part 2 comprises a top surface 21 and a bottom surface 22 which are parallel to each other, a weight-reducing concave cavity 4 is arranged on one side of the bottom surface 22 close to the connecting part 1, a plurality of reinforcing rib plates 5 which are parallel to the length direction of the fire grate block are arranged in the weight-reducing concave cavity 4, and the plurality of reinforcing rib plates 5 are uniformly distributed at intervals along the width direction of the fire grate block;

one side of the weight-reducing cavity 4, which is far away from the connecting part 1, is provided with a plurality of air outlets 6 which are uniformly distributed at intervals along the width direction of the fire grate block, the air outlets 6 have certain taper, and the small ends of the air outlets 6 penetrate through the top surface 21.

In order to improve the contact degree between the air and the garbage, in the embodiment, the cross section of the air outlet 6 is a long strip shape, and the cross section of the air outlet is parallel to the length direction of the fire grate block.

In order to improve the air separation effect, in this embodiment, the above-mentioned reinforcing rib plate 5 is disposed between two adjacent air outlets 6.

After the air is filled into the weight-reduction cavity 4, in order to keep the air as much as possible in the cavity, the side wall of the cavity 4 far away from the connecting part 1 is inclined from the top surface 21 to the bottom surface 22 of the bearing part 2 to the direction close to the connecting part 1, so that the air is not rapidly lost after colliding against the inclined side wall, but forms vortex turbulence in the cavity 4 and flows more to the air outlet 6.

In the present embodiment, the connecting portion 1 and the bearing portion 2 are integrally formed, preferably cast.

Because the top surface 21 and the bottom surface 22 of two adjacent grate blocks are in mutual sliding friction, in order to ensure that the two grate blocks are not clamped, in the embodiment, one end of the top surface 21, which is far away from the connecting part 1, is provided with a chamfer or a radius 23.

In this embodiment, six air outlets 6 are provided, and correspondingly, five reinforcing rib plates 5 are provided.

When in use, like other grate blocks, a plurality of grate blocks are clamped on the cross beam in a row through the clamping grooves 3, and meanwhile, the bottom surface 22 (one end of the bearing part 2 far away from the connecting part 1) is lapped on the top surface 21 of the bearing part 2 in another grate block; through the movement of the cross beam, the grate block on the cross beam can reciprocate relative to the grate block on the other immovable cross beam, so that the garbage moves progressively along the grate blocks distributed in a step shape; meanwhile, in the process of waste incineration, air is fed from one side of the bottom surface 22 of the grate block, passes through the weight-reducing concave cavity 4 and the reinforcing rib plates 5 and is fed into the waste to be incinerated through the tapered air outlet 6, so that the oxygen content is improved, and the combustion of the waste is more sufficient.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a novel grate block which characterized in that: the grate comprises a connecting part and a bearing part which are connected, wherein the width of the connecting part is smaller than that of the bearing part, a clamping groove arranged along the width direction of a grate block is arranged on the bottom surface of the connecting part, two ends of the clamping groove respectively penetrate through two ends of the connecting part in the width direction, and the opening of the clamping groove faces downwards; the bearing part comprises a top surface and a bottom surface which are parallel to each other, a weight-reducing concave cavity is arranged on one side of the bottom surface close to the connecting part, a plurality of reinforcing rib plates which are parallel to the length direction of the fire grate block are arranged in the weight-reducing concave cavity, and the plurality of reinforcing rib plates are uniformly distributed at intervals along the width direction of the fire grate block; one side of the weight-reducing concave cavity, which is far away from the connecting part, is provided with a plurality of air outlets which are uniformly distributed at intervals along the width direction of the fire grate block, the air outlets have certain taper, and the small ends of the air outlets penetrate through the top surface.

2. The novel grate block of claim 1, wherein: the cross section of the air outlet is in a strip shape, and the cross section of the air outlet is parallel to the length direction of the fire grate block.

3. The novel grate block of claim 1, wherein: and the reinforcing rib plate is arranged between two adjacent air outlets.

4. The novel grate block of claim 1, wherein: the side wall of the weight-reducing cavity, which is far away from one side of the connecting part, inclines from the top surface to the bottom surface of the bearing part to the direction close to the connecting part.

5. The novel grate block of claim 1, wherein: the connecting part and the bearing part are integrally formed.

6. The novel grate block of claim 1, wherein: and one end of the top surface, which is far away from the connecting part, is provided with a chamfer or a radius.