CN212057333U

CN212057333U - Reciprocating grate segment with slag breaking and ventilating functions and/or combustion efficiency improving function

Info

Publication number: CN212057333U
Application number: CN202020140699.2U
Authority: CN
Inventors: 朴显泽
Original assignee: Jilin Sanyi Environmental Protection Boiler Co ltd
Current assignee: Jilin Sanyi Environmental Protection Boiler Co ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-12-01
Anticipated expiration: 2030-01-21

Abstract

The utility model provides a reciprocating grate segment with the functions of slag breaking and ventilation and/or combustion efficiency improvement, wherein the front side of a ridge is vertically provided with a first groove, the back side of the ridge is vertically provided with a second groove, the ridge is used for being lapped on a lapping platform of another reciprocating grate segment with the functions of slag breaking and ventilation and/or combustion efficiency improvement, and the first groove is used for being spliced with the second groove of the other reciprocating grate segment with the functions of slag breaking and ventilation and/or combustion efficiency improvement to form a vertical ventilation hole; and/or the reciprocating grate segment with the slag breaking and ventilating functions and/or the combustion efficiency is improved further comprises a slag breaking head, and the slag breaking head is arranged on the stepped head. The utility model discloses a reciprocating grate segment with broken sediment ventilation function and/or improve combustion efficiency has broken sediment ventilation function, and/or, and the air volume is sufficient, improves combustion efficiency, design benefit, and the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.

Description

Reciprocating grate segment with slag breaking and ventilating functions and/or combustion efficiency improving function

Technical Field

The utility model relates to a burning solid fuel boiler technical field, in particular to reciprocal grate segment technical field that burning solid fuel boiler used specifically indicate a reciprocal grate segment with broken sediment ventilation function and/or improvement combustion efficiency.

Background

The grate formed by the grate sheets with flat surfaces is in the same plane with the contact surface of coal, has no slag breaking and ventilating function, only has the function of pushing slag, has poor rolling effect of coal, is easy to generate fire holes, and is not beneficial to full combustion of fuel.

In addition, chinese patent No. ZL201320129304.9, filed for 2013, 3, 21 and entitled "a reciprocating grate bar with overlapped blowing sides at the head", discloses a reciprocating grate bar with overlapped blowing sides at the head, which solves the problems that the gap between the grate bar and the grate bar is difficult to control, the head is easy to be blocked by thermal expansion due to uneven heating, and grate accidents are caused, but the ventilation amount between the grate bar and the grate bar is still insufficient, and the combination of the head of the grate bar does not have slag breaking and ventilation capacity, so that the fuel combustion is insufficient.

Accordingly, it is desirable to provide a reciprocating grate segment that has a slag breaking ventilation function and/or a sufficient ventilation amount to improve combustion efficiency.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model discloses an object is to provide a reciprocating grate segment with broken sediment ventilation function and/or improve combustion efficiency, it has broken sediment ventilation function, and/or, the air volume is sufficient, improves combustion efficiency, is suitable for extensive popularization and application.

Another object of the utility model is to provide a reciprocating grate segment with broken sediment ventilation function and/or improve combustion efficiency, its design benefit, the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.

In order to achieve the above object, the utility model discloses a reciprocating grate segment with broken sediment ventilation function and/or improve combustion efficiency, including echelonment head, back, afterbody and overlap joint platform, reciprocating grate segment with broken sediment ventilation function and/or improve combustion efficiency set up along left right direction, the echelonment head the back with the afterbody connects gradually the setting from the right side left side, the overlap joint platform sets up under the back and towards the back protrusion in the back, its characteristics are:

the front side surface of the ridge is vertically provided with a first groove, the rear side surface of the ridge is vertically provided with a second groove, the ridge is used for being lapped on the lapping platform of another reciprocating grate segment with the functions of slag breaking and ventilation and/or combustion efficiency improvement, and the first groove is used for being spliced with the second groove of another reciprocating grate segment with the functions of slag breaking and ventilation and/or combustion efficiency improvement to form a vertical ventilation hole; and/or the presence of a gas in the gas,

the reciprocating grate segment with the slag breaking and ventilating function and/or the combustion efficiency improving function further comprises a slag breaking head, and the slag breaking head is arranged on the stepped head.

Preferably, the number of the first grooves is multiple, the first grooves are arranged at intervals in the left-right direction, the number of the second grooves is multiple, the second grooves are arranged at intervals in the left-right direction, and the first grooves are used for being spliced with the second grooves of the reciprocating grate segment with the slag breaking and ventilating function and/or the combustion efficiency improving function one by one to form the vertical ventilation holes.

More preferably, the distance between two adjacent first grooves is 15mm, and the distance between two adjacent second grooves is 15 mm.

Preferably, the first groove and the second groove are both semicircular grooves.

More specifically, the diameter of the semicircular groove is 5 mm.

Preferably, the first groove and the second groove are both disposed obliquely toward the stepped head, and the first groove and the second groove are both disposed at an acute angle to the upper surface of the back.

More preferably, the acute angle is 45 degrees.

Preferably, the slag breaking head is a triangular cylinder slag breaking head, the triangular cylinder slag breaking head is provided with a first side face, a second side face and a third side face, the first side face, the second side face and the third side face are sequentially connected end to end, the third side face is arranged on the stepped head, the first side face faces the upper surface of the ridge, and the second side face faces away from the upper surface of the ridge.

More preferably, the first side surface and the upper surface of the back form an angle of 12 degrees.

More preferably, the first side surface, the second side surface and the third side surface are 25mm in size in the front-rear direction, the first side surface is 75mm in size in the left-right direction, and the second side surface is 15mm in size in the left-right direction.

The beneficial effects of the utility model mainly lie in:

1. the utility model discloses a vertical first recess that is provided with the leading flank of the back of the reciprocating grate segment with broken slag ventilation function and/or improvement combustion efficiency, the trailing flank of the back is vertical to be provided with the second recess, the back is used for the overlap joint on another overlap joint platform of the reciprocating grate segment with broken slag ventilation function and/or improvement combustion efficiency, the first recess is used for forming vertical ventilation hole with the second recess concatenation of this another reciprocating grate segment with broken slag ventilation function and/or improvement combustion efficiency; and/or, the reciprocating grate segment with the slag breaking and ventilating function and/or the combustion efficiency improving function further comprises a slag breaking head, and the slag breaking head is arranged on the stepped head, so that the reciprocating grate segment with the slag breaking and ventilating function and/or the combustion efficiency improving function is provided with sufficient ventilation, and is suitable for large-scale popularization and application.

2. The utility model discloses a vertical first recess that is provided with the leading flank of the back of the reciprocating grate segment with broken slag ventilation function and/or improvement combustion efficiency, the trailing flank of the back is vertical to be provided with the second recess, the back is used for the overlap joint on another overlap joint platform of the reciprocating grate segment with broken slag ventilation function and/or improvement combustion efficiency, the first recess is used for forming vertical ventilation hole with the second recess concatenation of this another reciprocating grate segment with broken slag ventilation function and/or improvement combustion efficiency; and/or, the reciprocating grate segment with the slag breaking and ventilating functions and/or the combustion efficiency is improved further comprises a slag breaking head, and the slag breaking head is arranged on the stepped head, so that the reciprocating grate segment is ingenious in design, simple in structure, simple and convenient to manufacture, low in cost and suitable for large-scale popularization and application.

These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the appended claims, wherein like reference numerals refer to corresponding parts throughout the several views, and wherein like reference numerals refer to like parts throughout the several views.

Drawings

Fig. 1 is a schematic front view of an embodiment of the reciprocating grate segment with slag breaking and ventilation functions and/or improved combustion efficiency of the present invention.

Fig. 2 is a schematic rear view of the embodiment shown in fig. 1.

FIG. 3 is a schematic top perspective view of the embodiment shown in FIG. 1.

Fig. 4 is an M-direction view of the embodiment shown in fig. 1.

FIG. 5 is a schematic cross-sectional view of the embodiment shown in FIG. 1 at position A-A.

Fig. 6 is a schematic front view of another embodiment of the reciprocating grate segment with slag breaking and ventilation functions and/or improved combustion efficiency of the present invention.

Fig. 7 is a schematic rear view of the embodiment shown in fig. 6.

Fig. 8 is a schematic top view of the embodiment shown in fig. 6.

Fig. 9 is an M-direction view of the embodiment shown in fig. 6.

FIG. 10 is a schematic cross-sectional view of the B-B location of the particular embodiment shown in FIG. 6.

FIG. 11 is a schematic top view of a primary burner grate segment arranged using the embodiment shown in FIG. 1 and the embodiment shown in FIG. 6.

(symbol description)

1 a stepped head; 2, back; 3, tail part; 4, overlapping the platforms; 5 a first groove; 6 a second groove; 7 vertical vent holes; 8, reinforcing ribs; 9, breaking the slag head; 10 a first side; 11 a second side; 12 a third side; 13 third recess.

Detailed Description

In order to clearly understand the technical contents of the present invention, the following embodiments are specifically illustrated in detail.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 5, in a specific embodiment of the present invention, the reciprocating grate segment with the function of breaking slag and ventilating and/or improving combustion efficiency of the present invention comprises a stepped head 1, a back 2, a tail 3 and a lap joint platform 4, the reciprocating grate segment with the function of breaking slag and ventilating and/or improving combustion efficiency is arranged along the left and right direction, the stepped head 1, the back 2 and the tail 3 are sequentially connected from right to left, the lap joint platform 4 is arranged under the back 2 and protrudes backwards from the back 2, the front side of the back 2 is vertically provided with a first groove 5, the back side of the back 2 is vertically provided with a second groove 6, the back 2 is used for being lapped on the lap joint platform 4 of another reciprocating grate segment with the function of breaking slag and ventilating and/or improving combustion efficiency, the first groove 5 is used for being spliced with the second groove 6 of the reciprocating grate segment with the slag breaking and ventilating function and/or the combustion efficiency improving function to form a vertical ventilation hole 7.

In order to enhance the strength of the present invention, please refer to fig. 1-2 and 5, in an embodiment of the present invention, the reciprocating fire grate segment with the function of slag breaking and ventilation and/or improving combustion efficiency further includes a reinforcing rib 8, and the reinforcing rib 8 is disposed under the back 2 and is respectively connected to the stepped head 1 and the tail 3.

The number of the first grooves 5 and the number of the second grooves 6 can be determined as required, preferably, the number of the first grooves 5 is multiple, the first grooves 5 are arranged at intervals in the left-right direction, the number of the second grooves 6 is multiple, the second grooves 6 are arranged at intervals in the left-right direction, the first grooves 5 are used for being spliced with the second grooves 6 of the reciprocating grate segment with the slag breaking ventilation function and/or the combustion efficiency improving function one to form the vertical ventilation holes 7. Referring to fig. 1 to 3, in an embodiment of the present invention, the number of the first grooves 5 and the number of the second grooves 6 are 9.

Adjacent two interval between the first recess 5 and adjacent two interval between the second recess 6 can be confirmed as required the utility model discloses a specific embodiment, adjacent two interval between the first recess 5 is 15mm, adjacent two interval between the second recess 6 is 15 mm.

The first groove 5 and the second groove 6 may have any suitable shape, as shown in fig. 3, and in an embodiment of the present invention, the first groove 5 and the second groove 6 are both semicircular grooves. I.e. the cross-section of the first groove 5 and the cross-section of the second groove 6 are both semicircular.

The diameter of semicircular groove can be confirmed as required in the utility model discloses a specific embodiment, semicircular groove's diameter is 5 mm.

The first groove 5 and the second groove 6 may be completely vertically disposed, or may be disposed in an inclined manner relative to the vertical direction, as shown in fig. 1 to 3, in a specific embodiment of the present invention, the first groove 5 and the second groove 6 are disposed in an inclined manner toward the stepped head 1, and the first groove 5 and the second groove 6 are disposed at an acute angle with the upper surface of the back 2.

The size of the acute angle can be determined as required, and in a specific embodiment of the present invention, the acute angle is 45 degrees.

In order to further improve the ventilation effect and make the combustion more sufficient, thereby improving the combustion efficiency, please refer to fig. 2-3, in an embodiment of the present invention, the rear side of the lap-joint platform 4 is vertically provided with a third groove 13. The number of the third grooves 13 may be, for example, 8. The lapping platform 4 can also be provided with a limiting block.

In order to have the slag breaking and ventilating function, please refer to fig. 6 to 10, in another embodiment of the present invention, different from the above embodiment shown in fig. 1 to 5, the reciprocating fire grate segment having the slag breaking and ventilating function and/or improving the combustion efficiency further includes a slag breaking head 9, and the slag breaking head 9 is disposed on the stepped head 1.

Obviously, the reciprocating grate segment with the slag breaking and ventilating function and/or the combustion efficiency improving function can also only comprise the slag breaking head 9 without the first groove 5 and the second groove 6, so that the reciprocating grate segment with the slag breaking and ventilating function and/or the combustion efficiency improving function only has the slag breaking and ventilating function, and the ventilation quantity cannot be sufficient, so that the combustion efficiency is improved.

The slag breaking head 9 may have any suitable shape, as shown in fig. 6 to 7, in another embodiment of the present invention, the slag breaking head 9 is a triangular cylinder slag breaking head 9, the triangular cylinder slag breaking head 9 has a first side 10, a second side 11 and a third side 12, the first side 10, the second side 11 and the third side 12 are sequentially connected end to end, the third side 12 is disposed on the stepped head 1, the first side 10 faces the upper surface of the back 2, and the second side 11 faces away from the upper surface of the back 2. By triangular cylinder is meant a cylinder with a triangular cross-section, the three sides of which are located in the first side 10, the second side 11 and the third side 12, respectively.

The first side 10 and the upper surface of the back 2 may be at any suitable angle, and in another embodiment of the present invention, the first side 10 and the upper surface of the back 2 are at an angle of 12 degrees. That is, the side of the triangle located in the first side 10 makes an angle of 12 degrees with the upper surface of the ridge 2.

The first side 10, the second side 11 and the third side 12 may have any suitable size, and in another embodiment of the present invention, the sizes of the first side 10, the second side 11 and the third side 12 in the front-back direction are all 25mm, the size of the first side 10 in the left-right direction is 75mm, and the size of the second side 11 in the left-right direction is 15 mm. That is, the height of the triangular column is 25mm, the side length of the side of the triangle located in the first side surface 10 is 75mm, the side of the triangle located in the second side surface 11 is 15mm, or the side length of the side corresponding to the large angle of the triangle is 75mm, and the side length of the side corresponding to the small angle of the triangle is 15 mm.

Referring to fig. 11, when the main fire zone grate segments are installed, the embodiment shown in fig. 1 to 5 and the embodiment shown in fig. 6 to 10 are alternately arranged in the front-back direction and the left-right direction, when the back and the front are overlapped, the back 2 of the back grate segment is overlapped on the overlapping platform 4 of the front grate segment, and the first groove 5 of the back grate segment is spliced with the second groove 6 of the front grate segment to form the vertical vent hole 7. In the process of left and right propulsion of the fire grate, the slag breaking head 9 can roll coal and slag to play a role in breaking slag and ventilating, and the vertical ventilation holes 7 improve the ventilation effect, so that the combustion is more sufficient, and the combustion efficiency is improved.

Compared with the prior art, the utility model discloses following beneficial effect has:

a. the utility model discloses a both sides face is vertical respectively around the back of grate segment is provided with the recess, and after the overlap joint around two grate segments, form vertical ventilation hole, the grate surface is gone up to wind through overlap joint platform gap, vertical ventilation hole, and arranging of vertical ventilation hole has increased the draught area between piece and the piece, and it is abundant to have overcome grate segment head air supply in the past, and the problem of both sides amount of wind is not enough, makes the burning more abundant.

b. The utility model discloses a grate segment increases a broken sediment head on its echelonment head, and propulsive in-process about the grate can make coal, sediment roll, plays broken sediment ventilation effect, improves combustion efficiency.

To sum up, the utility model discloses a reciprocating grate segment with broken sediment ventilation function and/or improve combustion efficiency has broken sediment ventilation function, and/or, and the air volume is sufficient, improves combustion efficiency, design benefit, and the structure is succinct, makes portably, and is with low costs, is suitable for extensive popularization and application.

Therefore, the purpose of the utility model is completely and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments, and the embodiments may be modified without departing from the principles. Therefore, the present invention includes all modifications within the spirit and scope of the appended claims.

Claims

1. The utility model provides a reciprocal grate segment with broken sediment ventilation function and/or improve combustion efficiency, includes echelonment head, back, afterbody and overlap joint platform, reciprocal grate segment with broken sediment ventilation function and/or improve combustion efficiency set up along left right direction, the echelonment head the back with the afterbody connects gradually the setting from the right side left side, the overlap joint platform sets up under the back and towards the back protrusion in the back, its characterized in that:

the front side surface of the ridge is vertically provided with a first groove, the rear side surface of the ridge is vertically provided with a second groove, the ridge is used for being lapped on the lapping platform of another reciprocating grate segment with the slag breaking ventilation function and/or the combustion efficiency improvement, and the first groove is used for being spliced with the second groove of the another reciprocating grate segment with the slag breaking ventilation function and/or the combustion efficiency improvement to form a vertical ventilation hole; and/or the presence of a gas in the gas,

2. The reciprocating grate segment with the slag breaking and ventilating function and/or the combustion efficiency improving function as claimed in claim 1, wherein the number of the first grooves is multiple, the first grooves are arranged at intervals in the left-right direction, the number of the second grooves is multiple, the second grooves are arranged at intervals in the left-right direction, and the first grooves are used for being spliced with the second grooves of the other reciprocating grate segment with the slag breaking and ventilating function and/or the combustion efficiency improving function one by one to form the vertical ventilation holes.

3. The reciprocating grate segment with the function of slag breaking and ventilation and/or the function of improving combustion efficiency as claimed in claim 2, wherein the distance between two adjacent first grooves is 15mm, and the distance between two adjacent second grooves is 15 mm.

4. The reciprocating grate segment with the function of slag breaking and ventilation and/or the function of improving combustion efficiency as set forth in claim 1, wherein the first groove and the second groove are both semicircular grooves.

5. The reciprocating grate segment with the function of slag breaking and ventilation and/or the function of improving combustion efficiency as claimed in claim 4, wherein the diameter of the semicircular groove is 5 mm.

6. The reciprocating grate segment with the function of slag breaking and ventilation and/or the function of improving combustion efficiency of claim 1, wherein the first groove and the second groove are both obliquely arranged towards the stepped head, and the first groove and the second groove are both arranged at an acute angle with the upper surface of the ridge.

7. The reciprocating grate segment with the function of slag breaking and ventilation and/or the function of improving combustion efficiency as set forth in claim 6, wherein the acute angle is 45 degrees.

8. The reciprocating grate segment with the function of slag breaking and ventilation and/or the function of improving combustion efficiency as recited in claim 1, wherein said slag breaking head is a triangular cylinder slag breaking head, said triangular cylinder slag breaking head has a first side, a second side and a third side, said first side, said second side and said third side are sequentially connected end to end, said third side is disposed on said stepped head, said first side faces towards the upper surface of said ridge, said second side faces away from the upper surface of said ridge.

9. The reciprocating grate segment with slag breaking and ventilating functions and/or improving combustion efficiency as set forth in claim 8, wherein said first side surface forms an angle of 12 degrees with an upper surface of said ridge.

10. The reciprocating grate segment with the function of slag breaking and ventilation and/or the function of improving combustion efficiency as set forth in claim 8, wherein the first side surface, the second side surface and the third side surface are 25mm in size in the front-rear direction, the first side surface is 75mm in size in the left-right direction, and the second side surface is 15mm in size in the left-right direction.