CN112228885A - Fire grate ash discharge anti-blocking structure - Google Patents
Fire grate ash discharge anti-blocking structure Download PDFInfo
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- CN112228885A CN112228885A CN202011189463.9A CN202011189463A CN112228885A CN 112228885 A CN112228885 A CN 112228885A CN 202011189463 A CN202011189463 A CN 202011189463A CN 112228885 A CN112228885 A CN 112228885A
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- block
- movable row
- row
- movable
- plane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H11/00—Travelling-grates
- F23H11/18—Details
- F23H11/24—Removal of ashes; Removal of clinker
- F23H11/26—Removal of ashes; Removal of clinker by dumping
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a fire grate ash discharge anti-blocking structure which comprises a fixed row (1) and a movable row (2) which are obliquely arranged at intervals, wherein the movable row comprises at least two movable row blocks (21) which are arranged side by side, each movable row block (21) is provided with a first clamping groove (31) and a second clamping groove (32), the two clamping grooves form a splayed structure with a narrow outer part and a wide inner part, a conical structure with a wide outer part and a narrow inner part is formed between the first clamping groove (31) and the second clamping groove (32) between every two adjacent movable row blocks (21), a clamping block (4) is inserted in the conical structure, and an inclined surface (43) is arranged on the clamping block (4). The movable row is provided with the clamping blocks, so that non-ferrous metal sheets are prevented from entering the gap in the moving process of the movable row, the moving smoothness of the movable row is ensured, meanwhile, the smoothness of charging from the gap position to the hearth is ensured, and the combustion efficiency is improved.
Description
Technical Field
The invention relates to the field of boiler grate manufacturing, in particular to a grate ash discharge anti-blocking structure.
Background
The boiler burning can produce higher temperature, the grate in the furnace naturally is the operation under high temperature environment, move the reciprocating motion of arranging and turn the raw materials in furnace, so that it can fully burn, because there is the clearance between the row of moving, at the in-process of moving row reciprocating motion, can remain non ferrous metal debris in raw materials and the raw materials residue after the burning, and very easily fall into the clearance and block, this directly influences the mutual removal between the row of moving, when residue or the metal debris in the clearance pile up to certain degree, can form the interference between the lateral wall between the adjacent row of moving, can influence the removal uniformity between the adjacent row of moving, lead even to actuate row jamming, under the condition that the row of moving can not move, the residue after the burning is piled up and is covered the clearance on the row of moving, directly influence the combustion efficiency of furnace like this, the boiler can not normally be used.
Disclosure of Invention
The invention aims to solve the technical problem of providing a fire grate ash discharge anti-sticking structure which can prevent non-ferrous metal sticking and can also make raw materials fully combusted.
The technical scheme of the invention is as follows:
a fire grate ash discharge anti-blocking structure comprises a fixed row and a movable row which are obliquely arranged at intervals, wherein the movable row comprises at least two movable row blocks which are arranged side by side, each movable row block is provided with a first clamping groove and a second clamping groove, the two clamping grooves form a splayed structure with a narrow outer part and a wide inner part, the first clamping grooves and the second clamping grooves on the two adjacent movable row blocks are arranged in a staggered mode, and a tapered structure with a wide outer part and a narrow inner part is formed; a fixture block is arranged between the two movable row blocks and comprises a first insert block and a second insert block, the fixture block is arranged between two adjacent movable row blocks, namely the first insert block is inserted into a first slot of one movable row block, and the second insert block is inserted into a second slot of the adjacent movable row block (21); the fixture block is provided with an inclined plane, and the lower end surface of the fixture block is flush with the lower end surface of the movable row block.
By adopting the structure, each movable row block is provided with a first clamping groove and a second clamping groove in a shape like a Chinese character 'ba', four clamping grooves on two adjacent movable row blocks are arranged in a mutually staggered mode, a clamping block is arranged between the two movable row blocks, firstly, raw materials and combustion waste materials are prevented from entering gaps between the movable row blocks in the moving direction of the movable row blocks, secondly, due to the fact that the movable row blocks are arranged obliquely, reciprocating movement of the movable row blocks is beneficial to pushing the raw materials entering in the combustion process and combustion residues accumulated on the fixed row, and the clamping blocks are provided with inclined planes which are more beneficial to turning the bottom of the accumulation position of the residues on the fixed row blocks, so that the residues can be fully combusted, if more deposits exist on the fixed row blocks, when the upper end faces of the movable row blocks are overflowed, the deposits move along the inclined planes on the clamping blocks and move to the lower end to be discharged along the oblique arrangement directions of the fixed; the lower end surface of the clamping block is flush with the lower end surface of the movable grate block, so that furnace ash can not enter the lower end of the clamping block, and the clamping block is prevented from being clamped to influence the movement of the movable grate; in the whole use, the inserting of fixture block has reduced the deflection of the clearance under the great condition of the difference in temperature between the movable row piece, has also reduced the probability that the metal fragment falls into the clearance, more is favorable to filling the air in order to do benefit to the raw materials fully to burn from this clearance position, and simple structure is practical, and the dismouting is convenient.
In order to facilitate the movement of the power strip block to drive the clamping block to move simultaneously, the widths of the first inserting block and the second inserting block are matched with the widths of the corresponding clamping grooves.
In order to facilitate the movement of the combustion waste, preferably, the first insert block and the second insert block are respectively provided with a section of transition inclined plane, and the plane where the transition inclined plane is located and the plane where the inclined plane is located are mutually communicated and flush.
In order to improve the efficiency of the turning shovel, the inclined plane is preferably in a trapezoidal structure with a wide lower part and a narrow upper part.
In order to reduce the accumulation of the combustion waste on the fixed row, the inclination angle of the inclined plane is preferably 35-45 degrees.
In order to avoid the influence of the compression deformation of the clamping block on the shovel turning effect at high temperature, preferably, a section of plane section is arranged at the lower end of the inclined plane, the vertical height of the plane section is 8-10 mm, and the included angle between the plane section and the horizontal plane is 80 degrees.
Has the advantages that: the movable row is provided with the clamping blocks, so that non-ferrous metal sheets are prevented from entering the gap in the moving process of the movable row, the moving smoothness of the movable row is ensured, meanwhile, the smoothness of charging from the gap position to the hearth is ensured, and the combustion efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the movable row block.
Fig. 3 is a schematic structural diagram of a fixture block.
Fig. 4 is a use state diagram of the present invention.
Fig. 5 is a schematic view of the mounting structure of the movable row and the fixed row.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention includes a fixed row 1 and a movable row 2 which are obliquely arranged at intervals, the movable row includes at least two movable row blocks 21 which are arranged side by side, each movable row block 21 is provided with a first slot 31 and a second slot 32, and the first slots 31 and the second slots 32 on two adjacent movable row blocks 21 are arranged in a staggered manner.
Two the draw-in groove forms outer narrow wide "eight" font structure in, adjacent two move and form outer wide narrow toper structure in between the row piece 21 between first draw-in groove 31 and the second draw-in groove 32, be equipped with a fixture block 4 between adjacent two move row pieces 21, the lower terminal surface of this fixture block 4 flushes with the lower terminal surface that moves row piece 21, fixture block 4 includes first inserted block 41 and second inserted block 42, the fixture block sets up and moves between row piece 21 adjacent two, and first inserted block 41 inserts in the first draw-in groove 31 of a row piece 21 that moves promptly, and second inserted block 42 inserts in the second draw-in groove 32 of adjacent row piece 21 that moves, the width of first inserted block 41 and second inserted block 42 and the draw-in groove width looks adaptation that corresponds.
An inclined plane 43 with an inclination angle of 35-45 degrees is arranged on the fixture block 4, preferably 40 degrees, the inclined plane 43 is of a trapezoidal structure with a wide bottom and a narrow top, a section of transition inclined plane is arranged on each of the first insertion block 41 and the second insertion block 42, and the plane where the transition inclined plane is located and the plane where the inclined plane 43 is located are mutually communicated and flush; the lower end of the inclined plane 43 is provided with a plane section, the vertical height of the plane section is 8-10 mm, and the included angle between the plane section and the horizontal plane is 80 degrees.
The using method of the invention is as follows:
as shown in fig. 1 to 5, the movable row 2 and the fixed row 1 in the furnace are obliquely arranged for discharging ash, wherein the fixed row 1 and the movable row 2 are arranged at intervals, the fixed row 1 is fixed, and the movable row 2 is reciprocated in the oblique direction by a transmission device, so that the raw materials are fully combusted and the combusted ash is sequentially dumped out of the furnace.
The movable row 2 is formed by splicing at least two movable row blocks 21, each movable row block 21 is provided with a first clamping groove 31 and a second clamping groove 32 in a shape like a Chinese character 'ba', four clamping grooves on two adjacent movable row blocks 21 are arranged in a staggered manner, a clamping block 4 is arranged between the two movable row blocks 21, firstly, raw materials and combustion waste materials are prevented from entering gaps between the movable row blocks 21 in the moving direction of the movable row 2, secondly, due to the fact that the movable row 2 is obliquely arranged, reciprocating movement of the movable row blocks 21 is beneficial to pushing the raw materials entering in the combustion process and combustion residues accumulated on the fixed row 1, and the clamping block 4 is provided with an inclined surface 43 which is more beneficial to turning the bottom of the residue accumulation position on the fixed row 1, so that the residues can be fully combusted, for example, more deposits exist on the fixed row 1, when the upper end face of the movable row block 21 is emitted, the deposits move along the inclined surface 43 on the clamping block 4 and move along the oblique arrangement direction of the fixed row 1 and the movable, moving to the lower end for discharging.
In the whole use process, the fixture block 4 is only inserted into the corresponding first clamping groove 31 and second clamping groove 32 by the first inserting block 41 and the second inserting block 42, the splayed structure of the two clamping grooves on the same movable row block 21 is utilized, namely the two clamping grooves are oblique grooves, thus, between two adjacent movable row blocks 21, a tapered structure with the outer width and the inner width is formed between the adjacent first clamping groove 31 and the adjacent second clamping groove 32, when the movable row 2 starts to move, the movable row block 21 pushes the fixture block 4 to move together, when the movable row block 21 moves back, the inner wall of the clamping groove at the corresponding end is mutually attached and abutted with the outer side wall of the inserting block, the fixture block 4 is driven to move together, other connecting and fixing forms are not needed, when the fixture block 4 needs to be detached, the fixture block 4 can be directly taken out from the upper end, the structure is simplified, and the disassembly and assembly are.
The insertion of the clamping block 4 reduces the deformation of the gap between the movable row blocks 21 under the condition of large temperature difference, also reduces the probability that metal fragments fall into the gap, is more favorable for filling air from the gap position to be favorable for the sufficient combustion of raw materials, and has simple and practical structure and convenient and fast disassembly and assembly.
The number of the movable row blocks 21 is selected according to the size of the hearth, and should be set and designed according to needs, and the number setting is not described in detail in this embodiment.
The undescribed parts of the present invention are consistent with the prior art and will not be described in detail herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.
Claims (6)
1. The utility model provides a fire grate ash discharge anti-sticking structure, includes row (1) surely and move row (2) that the slant interval set up, its characterized in that: the movable row comprises at least two movable row blocks (21) which are arranged side by side, a first clamping groove (31) and a second clamping groove (32) are arranged on each movable row block (21), the two clamping grooves form a splayed structure with a narrow outer part and a wide inner part, the first clamping grooves (31) and the second clamping grooves (32) on the adjacent two movable row blocks (21) are arranged in a staggered mode, and a tapered structure with a wide outer part and a narrow inner part is formed; a fixture block (4) is arranged between two adjacent movable row blocks (21), the fixture block (4) comprises a first insert block (41) and a second insert block (42), the fixture block is arranged between two adjacent movable row blocks (21), namely the first insert block (41) is inserted into a first clamping groove (31) of one movable row block (21), and the second insert block (42) is inserted into a second clamping groove (32) of the adjacent movable row block (21); the fixture block (4) is provided with an inclined surface (43), and the lower end surface of the fixture block (4) is flush with the lower end surface of the movable row block (21).
2. A fire ash discharge anti-seize structure according to claim 3, wherein: the widths of the first insertion block (41) and the second insertion block (42) are matched with the widths of the corresponding card slots.
3. A fire ash discharge anti-seize structure according to claim 3, wherein: the first insert block (41) and the second insert block (42) are respectively provided with a section of transition inclined surface, and the plane where the transition inclined surfaces are located and the plane where the inclined surfaces (43) are located are mutually communicated and flush.
4. A fire ash discharge anti-seize structure according to claim 3, wherein: the inclined plane (43) is of a trapezoidal structure with a wide lower part and a narrow upper part.
5. A fire ash discharge anti-seize structure according to claim 3, wherein: the inclination angle of the inclined plane (43) is 35-45 degrees.
6. A fire ash discharge anti-seize structure according to claim 3, wherein: the lower end of the inclined plane (43) is provided with a plane section, the vertical height of the plane section is 8-10 mm, and the included angle between the plane section and the horizontal plane is 80 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011189463.9A CN112228885B (en) | 2020-10-30 | 2020-10-30 | Fire ash discharging anti-blocking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011189463.9A CN112228885B (en) | 2020-10-30 | 2020-10-30 | Fire ash discharging anti-blocking structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112228885A true CN112228885A (en) | 2021-01-15 |
| CN112228885B CN112228885B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011189463.9A Active CN112228885B (en) | 2020-10-30 | 2020-10-30 | Fire ash discharging anti-blocking structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902202A (en) * | 2021-02-02 | 2021-06-04 | 重庆电力高等专科学校 | Labyrinth air passage type fire grate anti-blocking structure |
Citations (10)
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|---|---|---|---|---|
| JPH06265126A (en) * | 1993-03-15 | 1994-09-20 | Unitika Ltd | Fire grate for refuse incinerator |
| JP2000028125A (en) * | 1998-07-10 | 2000-01-25 | Hitachi Zosen Corp | Fire grate structure of refuse incinerator |
| CN201074814Y (en) * | 2007-07-19 | 2008-06-18 | 重庆科技学院 | Grate piece with multiple blades protruding platform |
| CN101398180A (en) * | 2008-10-22 | 2009-04-01 | 西安交通大学 | Scaled refuse incineration drum grate |
| CN202040818U (en) * | 2011-05-16 | 2011-11-16 | 马成果 | Strip-shaped fire grate capable of being assembled and disassembled fast |
| WO2012012909A2 (en) * | 2010-07-30 | 2012-02-02 | Doikos Investments Ltd. | Water-cooled sliding combustion grate having a parallel drive |
| CN104235861A (en) * | 2014-10-14 | 2014-12-24 | 济南锅炉集团有限公司 | Labyrinth type reciprocating fire grate segment of grate |
| CN105910121A (en) * | 2016-06-21 | 2016-08-31 | 徐州市凯舜乳业有限公司 | Fire grate cleaner |
| JP2017120163A (en) * | 2015-12-28 | 2017-07-06 | クボタ環境サ−ビス株式会社 | Fire grate and hearth of stoker-type incinerator |
| DE102017100408A1 (en) * | 2017-01-11 | 2018-07-12 | Richard Kablitz GmbH | Rust for combustion plants |
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2020
- 2020-10-30 CN CN202011189463.9A patent/CN112228885B/en active Active
Patent Citations (10)
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|---|---|---|---|---|
| JPH06265126A (en) * | 1993-03-15 | 1994-09-20 | Unitika Ltd | Fire grate for refuse incinerator |
| JP2000028125A (en) * | 1998-07-10 | 2000-01-25 | Hitachi Zosen Corp | Fire grate structure of refuse incinerator |
| CN201074814Y (en) * | 2007-07-19 | 2008-06-18 | 重庆科技学院 | Grate piece with multiple blades protruding platform |
| CN101398180A (en) * | 2008-10-22 | 2009-04-01 | 西安交通大学 | Scaled refuse incineration drum grate |
| WO2012012909A2 (en) * | 2010-07-30 | 2012-02-02 | Doikos Investments Ltd. | Water-cooled sliding combustion grate having a parallel drive |
| CN202040818U (en) * | 2011-05-16 | 2011-11-16 | 马成果 | Strip-shaped fire grate capable of being assembled and disassembled fast |
| CN104235861A (en) * | 2014-10-14 | 2014-12-24 | 济南锅炉集团有限公司 | Labyrinth type reciprocating fire grate segment of grate |
| JP2017120163A (en) * | 2015-12-28 | 2017-07-06 | クボタ環境サ−ビス株式会社 | Fire grate and hearth of stoker-type incinerator |
| CN105910121A (en) * | 2016-06-21 | 2016-08-31 | 徐州市凯舜乳业有限公司 | Fire grate cleaner |
| DE102017100408A1 (en) * | 2017-01-11 | 2018-07-12 | Richard Kablitz GmbH | Rust for combustion plants |
Non-Patent Citations (1)
| Title |
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| 黄家瑶;: "低挥发分无烟煤链条炉的炉排", 工业锅炉 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902202A (en) * | 2021-02-02 | 2021-06-04 | 重庆电力高等专科学校 | Labyrinth air passage type fire grate anti-blocking structure |
| CN112902202B (en) * | 2021-02-02 | 2022-07-01 | 重庆电力高等专科学校 | Labyrinth air passage type fire grate anti-blocking structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112228885B (en) | 2023-06-27 |
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