CN112228885B - Fire ash discharging anti-blocking structure - Google Patents
Fire ash discharging anti-blocking structure Download PDFInfo
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- CN112228885B CN112228885B CN202011189463.9A CN202011189463A CN112228885B CN 112228885 B CN112228885 B CN 112228885B CN 202011189463 A CN202011189463 A CN 202011189463A CN 112228885 B CN112228885 B CN 112228885B
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- block
- movable row
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- row
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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 utility model discloses a fire ash discharging and blocking preventing 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 an outer-narrow-inner-wide splayed structure, a conical structure with an outer-wide inner-narrow structure is formed between the first clamping groove (31) and the second clamping groove (32) between 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). According to the utility model, the clamping blocks are arranged on the movable row, nonferrous metal sheets are prevented from entering the gap in the moving process of the movable row, so that the moving smoothness of the movable row is ensured, the smoothness of the gas filling from the gap position to the hearth is also ensured, and the combustion efficiency is improved.
Description
Technical Field
The utility model relates to the field of boiler grate manufacturing, in particular to a grate ash blocking preventing structure.
Background
The boiler burns and can produce higher temperature, the grate in the furnace naturally is the operation under high temperature environment, move the raw materials of row's reciprocating motion turnover in the furnace for it can fully burn, owing to move the clearance that exists between the row, can remain non-ferrous metal incomplete in the raw materials and the raw materials residue after burning in row reciprocating motion's the in-process, and very easily fall into the clearance and block, this directly influences and moves the mutual removal between the row, when the residue or the metal incomplete in the clearance piles up to a certain extent, can form the interference between the lateral wall between the adjacent row that moves, can influence the removal uniformity between the adjacent row that moves, even lead to actuate row jamming, under the condition that moves the row and block, the residue pile up after the burning covers the clearance on the row, like this directly influences the combustion efficiency of furnace, the boiler can not normally use.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a fire ash discharging and clamping preventing structure which can prevent nonferrous metals from clamping and moving and can fully burn raw materials.
The technical scheme of the utility model is as follows:
the ash discharging 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 an eight-shaped structure with a narrow outer part and a wide inner part, the first clamping grooves and the second clamping grooves on the adjacent two movable row blocks are mutually staggered, and a conical structure with a wide outer part and a narrow inner part is formed; a clamping block is arranged between the two movable row blocks, the clamping block comprises a first inserting block and a second inserting block, the clamping block is arranged between two adjacent movable row blocks, namely, the first inserting block is inserted into a first clamping groove of one movable row block, and the second inserting block is inserted into a second clamping groove of the adjacent movable row block; the clamping block is provided with an inclined plane, and the lower end surface of the clamping block is flush with the lower end surface of the movable row block.
By adopting the structure, the first clamping groove and the second clamping groove which are in the shape of the eight are arranged on each movable row block, the four clamping grooves on two adjacent movable row blocks are arranged in a staggered manner, a clamping block is arranged between the two movable row blocks, firstly, raw materials and combustion waste materials are prevented from entering a gap between the movable row blocks in the moving direction of the movable row, secondly, the movable row blocks are obliquely arranged, the 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 block is provided with an inclined surface which is more beneficial to turning the bottom of the residue accumulation position on the fixed row, so that more accumulated materials can be fully combusted on the fixed row, and when the upper end face of the movable row block is dug out, the accumulated materials move along the inclined surface on the clamping block and move to the lower end in the oblique setting direction of the fixed row and the movable row for discharging; the lower end face of the clamping block is flush with the lower end face of the movable discharging block, so that furnace dust can not enter the lower end of the clamping block, and the clamping stagnation of the clamping block is prevented from affecting the movement of the movable discharging block; in the whole use, the insertion of the fixture block reduces the deformation of the gap between the movable row blocks under the condition of larger temperature difference, also reduces the probability that metal fragments fall into the gap, is more beneficial to filling air from the gap position so as to be beneficial to the full combustion of raw materials, has a simple and practical structure, and is convenient to assemble and disassemble.
In order to facilitate the movable row blocks to drive the clamping blocks to move simultaneously, preferably, the widths of the first inserting blocks and the second inserting blocks are matched with the widths of the corresponding clamping grooves.
In order to facilitate movement of the combustion waste, preferably, a section of transition inclined plane is arranged on each of the first insert block and the second insert block, and the plane of the transition inclined plane is communicated with and flush with the plane of the inclined plane.
In order to improve the efficiency of the turning shovel, preferably, the inclined plane is of a trapezoid structure with a wide bottom and a narrow top.
In order to reduce the accumulation of combustion waste on the fixed row, the inclined surface preferably has an inclination angle of 35 to 45 °.
In order to avoid the impact of the compression deformation of the clamping block at high temperature on the turning shovel effect, preferably, the lower end of the inclined plane is provided with a section of 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 beneficial effects are that: according to the utility model, the clamping blocks are arranged on the movable row, nonferrous metal sheets are prevented from entering the gap in the moving process of the movable row, so that the moving smoothness of the movable row is ensured, the smoothness of the gas filling from the gap position to the hearth is also ensured, and the combustion efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of the structure of the movable row block.
Fig. 3 is a schematic structural diagram of the fixture block.
Fig. 4 is a use state diagram of the present utility model.
Fig. 5 is a schematic view of the mounting structure of the movable row and the fixed row.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4 and 5, the utility model comprises a fixed row 1 and a movable row 2 which are obliquely arranged at intervals, 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, and the first clamping grooves 31 and the second clamping grooves 32 on the two adjacent movable row blocks 21 are mutually staggered.
Two clamping grooves form an eight-shaped 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 a first clamping groove 31 and a second clamping groove 32 between two adjacent movable row blocks 21, a clamping block 4 is arranged between two adjacent movable row blocks 21, the lower end face of the clamping block 4 is flush with the lower end face of the movable row block 21, the clamping block 4 comprises a first inserting block 41 and a second inserting block 42, the clamping block is arranged between two adjacent movable row blocks 21, namely the first inserting block 41 is inserted into the first clamping groove 31 of one movable row block 21, the second inserting block 42 is inserted into the second clamping groove 32 of the adjacent movable row block 21, and the widths of the first inserting block 41 and the second inserting block 42 are matched with the corresponding clamping groove widths.
The fixture block 4 is provided with an inclined plane 43 with an inclination angle of 35-45 degrees, preferably 40 degrees, the inclined plane 43 is of a trapezoid structure with a wide bottom and a narrow top, the first plug block 41 and the second plug block 42 are respectively provided with a section of transition inclined plane, and the plane of the transition inclined plane is communicated with and is flush with the plane of the inclined plane 43; the lower end of the inclined surface 43 is provided with a section of 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 application method of the utility model is as follows:
as shown in fig. 1 to 5, the movable row 2 and the fixed row 1 in the hearth are obliquely arranged so as to facilitate ash discharge, 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 made to reciprocate in an oblique direction through a transmission device so as to fully burn raw materials and sequentially turn over burnt ash and slag out of the hearth.
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 which are in an eight shape, four clamping grooves on two adjacent movable row blocks 21 are arranged in a staggered mode, 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, the movable row 2 is obliquely arranged, the 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 fixed row 1 can fully burn, for example, more accumulated matters are arranged on the fixed row 1, and when the upper end face of the movable row block 21 is pulled out, the accumulated matters move along the inclined surface 43 on the clamping block 4 and move to the lower end of the fixed row 1 and the oblique arrangement direction of the movable row 2.
In the whole use process, the clamping blocks 4 are only inserted into the corresponding first clamping grooves 31 and second clamping grooves 32 by the first inserting blocks 41 and the second inserting blocks 42, the two clamping grooves are of an splayed structure by utilizing the two clamping grooves on the same movable row block 21, namely, the two clamping grooves are oblique grooves, so that a conical structure with wide outside and narrow inside is formed between the adjacent movable row blocks 21 and between the adjacent first clamping grooves 31 and the adjacent second clamping grooves 32, when the movable row block 2 starts to move, the movable row block 21 pushes the clamping blocks 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 walls of the inserting blocks to drive the clamping blocks 4 to move together, other connecting and fixing modes are not needed, and when the movable row block 21 needs to be removed, the clamping blocks 4 can be directly taken out from the upper end, the structure is simplified, and the disassembly is convenient.
The insertion of the clamping blocks 4 reduces the deformation of the gaps between the movable row blocks 21 under the condition of larger temperature difference, reduces the probability that metal fragments fall into the gaps, is more beneficial to filling air from the gaps to facilitate the full combustion of raw materials, and has the advantages of simple and practical structure and convenient disassembly and assembly.
The number of the movable row blocks 21 is selected according to the size of the furnace chamber, and should be set and designed according to the needs, and the number of the movable row blocks is not repeated in this embodiment.
The undescribed portions of the utility model are consistent with the prior art and are not described in detail herein.
The foregoing is only the embodiments of the present utility model, and therefore, the patent scope of the utility model is not limited thereto, and all equivalent structures made by the description of the utility model and the accompanying drawings are directly or indirectly applied to other related technical fields, which are all within the scope of the utility model.
Claims (6)
1. The utility model provides a fire ash anti-sticking structure, includes fixed row (1) and movable row (2) that 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 an eight-shaped 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 movable row blocks (21) are arranged in a staggered mode, and a conical structure with a wide outer part and a narrow inner part is formed; a clamping block (4) is arranged between two adjacent movable row blocks (21), the clamping block (4) comprises a first inserting block (41) and a second inserting block (42), the clamping block is arranged between the two adjacent movable row blocks (21), namely, the first inserting block (41) is inserted into a first clamping groove (31) of one movable row block (21), and the second inserting block (42) is inserted into a second clamping groove (32) of the adjacent movable row block (21); an inclined surface (43) is arranged on the clamping block (4), and the lower end surface of the clamping block (4) is flush with the lower end surface of the movable row block (21).
2. The fire ash anti-seize structure as defined in claim 1, characterized in that: the widths of the first inserting block (41) and the second inserting block (42) are matched with the widths of the corresponding clamping grooves.
3. The fire ash anti-seize structure as defined in claim 1, characterized in that: 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 of the transition inclined plane is communicated with and is flush with the plane of the inclined plane (43).
4. A fire ash anti-seize structure according to claim 3, characterized in that: the inclined plane (43) is of a trapezoid structure with a wide bottom and a narrow top.
5. A fire ash anti-seize structure according to claim 3, characterized in that: the inclination angle of the inclined surface (43) is 35-45 degrees.
6. A fire ash anti-seize structure according to claim 3, characterized in that: the lower end of the inclined plane (43) is provided with a section of 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 CN112228885A (en) | 2021-01-15 |
| CN112228885B true CN112228885B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011189463.9A Active CN112228885B (en) | 2020-10-30 | 2020-10-30 | Fire ash discharging anti-blocking structure |
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| CN (1) | CN112228885B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2020
- 2020-10-30 CN CN202011189463.9A patent/CN112228885B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|
| 低挥发分无烟煤链条炉的炉排;黄家瑶;;工业锅炉(01);第17-20页 * |
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| Publication number | Publication date |
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| CN112228885A (en) | 2021-01-15 |
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