CN112325318B - Hearth fire grate anti-blocking structure and machining method thereof - Google Patents
Hearth fire grate anti-blocking structure and machining method thereof Download PDFInfo
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- CN112325318B CN112325318B CN202011185394.4A CN202011185394A CN112325318B CN 112325318 B CN112325318 B CN 112325318B CN 202011185394 A CN202011185394 A CN 202011185394A CN 112325318 B CN112325318 B CN 112325318B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H17/00—Details of grates
- F23H17/02—End fittings on bars
- F23H17/04—End fittings on bars of travelling-grates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention discloses a hearth grate anti-blocking structure and a processing method thereof, and the hearth grate anti-blocking structure 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 block (31) and a second clamping block (32), the two clamping blocks 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 block (31) and the second clamping block (32) between every two adjacent movable row blocks (21), a buckle (4) is inserted in the conical structure, and an inclined plane (43) is arranged on each clamping block (4). The movable row is provided with the buckles, so that non-ferrous metal sheets are prevented from entering the gaps 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 hearth grate anti-blocking structure and a processing method thereof.
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 hearth fire grate anti-sticking structure which can prevent non-ferrous metal sticking and stick up and can enable raw materials to be fully combusted and a processing method thereof.
The technical scheme of the invention is as follows:
a hearth grate 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 block and a second clamping block, the two clamping blocks form a splayed structure with a narrow outer part and a wide inner part, a tapered structure with a wide outer part and a narrow inner part is formed between the first clamping block and the second clamping block between every two adjacent movable row blocks, a buckle is inserted in the tapered structure and comprises a first inserting groove and a second inserting groove, the buckle is arranged between every two adjacent movable row blocks, namely the first inserting groove is inserted into the first clamping block of one movable row block, meanwhile, the second inserting groove is inserted into the second clamping block of the adjacent movable row block, the buckle is inserted into the space between every two adjacent movable row blocks from top to bottom, and the widths of the first inserting groove and the second inserting groove are matched with the corresponding widths of the buckle; the buckle is provided with an inclined plane.
By adopting the structure, each movable row block is provided with the first clamping block and the second clamping block in the shape of the Chinese character 'ba', the four clamping blocks on the two adjacent movable row blocks are arranged in a staggered manner, the clamping buckle 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, as the movable row blocks are arranged in an inclined manner, 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 buckle is provided with the inclined surface which is more beneficial to turning the bottom of the accumulation position of the residues on the fixed row, so that the residues can be fully combusted, if more deposits exist on the fixed row blocks, when the upper end face of the movable row blocks is overflowed, the deposits move along the inclined surface on the clamping blocks and move to the lower end to be discharged along the inclined arrangement direction of the fixed row blocks and the movable row; in the whole use, the buckle inserts and has reduced the deflection of the clearance between the movable row piece under the great condition of the difference in temperature, has also reduced the probability that the metal fragment falls into the clearance, more is favorable to filling into the air from this clearance position in order to do benefit to the raw materials fully to burn, simple structure is practical, and the dismouting is convenient.
For convenience in installation and machining, preferably, the first clamping blocks and the second clamping blocks on the at least two movable row blocks are arranged in a staggered mode.
In order to facilitate the movement of the combustion waste, preferably, the first fixture block and the second fixture block are respectively provided with a section of transition inclined plane, and the plane where the transition inclined plane is located is communicated with the plane where the inclined plane is located and is level.
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 vertically arranged at the lower end of the inclined plane, and the height of the plane section is 8-10 mm.
Further, the processing method of the hearth grate anti-blocking structure comprises a positioning tool, wherein the positioning tool comprises a fixed block, one end of the fixed block is provided with an installation inclined plane, the fixed block is provided with a first positioning groove and a second positioning groove, the two positioning grooves form a splayed structure, an inserting plate extending outwards is arranged at a position, corresponding to the position between the two positioning grooves, on the installation inclined plane, and the inserting plate is inserted into a gap between every two adjacent movable grate blocks; the other end of the fixed block is provided with a handle, the processing steps are as follows,
1) a first clamping block and a second clamping block are respectively arranged in the first positioning groove and the second positioning groove, so that the two clamping blocks form a splayed structure with wide outside and narrow inside;
2) the inserting plate is inserted and positioned with the corresponding position on the movable row, and meanwhile, the two clamping blocks are positioned at the corresponding position at the front end of the movable row 2 and are abutted and positioned;
3) spot-welding and fixing the positioned fixture block at the front end of the movable row, and taking down the positioning tool;
4) reinforcing and welding the first clamping block and the second clamping block, removing welding slag, and polishing;
5) and inserting the buckle into the two clamping blocks from top to bottom.
Furthermore, the inserting plate and the installation inclined plane are perpendicular to each other, and the included angle between the handle and the horizontal plane is 11 degrees.
Has the advantages that: the movable row is provided with the buckles, so that non-ferrous metal sheets are prevented from entering the gaps 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 view of the state of the installation welding of the present invention.
Fig. 2 is a schematic structural view of the movable row block and the fixture block.
Fig. 3 is a schematic view of an installation structure of the movable row block and the buckle.
FIG. 4 is a cross-sectional view of the moving row block with the snap fit.
Fig. 5 is a schematic structural view of the positioning tool.
Fig. 6 is a schematic view of the use state 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, fig. 5 and fig. 6, the 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 block 31 and a second block 32, and the first block 31 and the second block 32 on two adjacent movable row blocks 21 are arranged in a staggered manner.
Two the fixture block forms outer narrow wide "eight" font structure in, adjacent two move and form outer wide narrow toper structure in between row's piece 21 first fixture block 31 and the second fixture block 32, move and be equipped with a buckle 4 between row piece 21 adjacent two, buckle 4 includes first slot 41 and second slot 42, buckle 4 sets up and moves between row piece 21 adjacent two, and first slot 41 moves first fixture block 31 of row piece 21 with one and pegs graft promptly, and simultaneously, second slot 42 and adjacent second fixture block 32 that moves row piece 21 peg graft, and buckle 4 is followed and is down pegged graft to adjacent two and is moved between row piece 21, the width of first slot 41 and second slot 42 and the fixture block width looks adaptation that corresponds.
An inclined plane 43 with an inclination angle of 35-45 degrees is arranged on the buckle 4, the inclined plane 43 is preferably 40 degrees, the inclined plane 43 is of a trapezoidal structure with a wide lower part and a narrow upper part, a section of transition inclined plane is arranged on each of the first fixture block 31 and the second fixture block 32, and the plane where the transition inclined plane is arranged is mutually communicated with and flush with the plane where the inclined plane 43 is arranged; the lower end of the inclined plane 43 is vertically provided with a plane section, and the height of the plane section is 8-10 mm.
As shown in fig. 1, 2 to 5, the processing steps of the present invention are as follows:
1. a first fixture block 31 and a second fixture block 32 are arranged in the fixture blocks of the positioning tool, so that the two fixture blocks form a splayed structure with a wide outer part and a narrow inner part;
2. the positioning tool is inserted and positioned with a corresponding position on the movable row, and meanwhile, the two clamping blocks are positioned at the corresponding position at the front end of the movable row 2 and are abutted and positioned;
3. spot-welding and fixing the positioned fixture block at the front end of the movable row 2, and taking down the positioning tool;
4. the first fixture block 31 and the second fixture block 32 are welded in a reinforcing mode, welding slag is removed, and polishing and finishing are conducted;
5. the buckle 4 is inserted into the two clamping blocks from top to bottom.
The positioning tool comprises a fixed block 5, an installation inclined plane is arranged at one end of the fixed block 5, a first positioning groove 51 and a second positioning groove 52 are arranged on the fixed block 5, the two positioning grooves form a splayed structure, an inserting plate 53 extending outwards is arranged at a position, corresponding to the position between the two positioning grooves, on the installation inclined plane, and the inserting plate 53 is inserted into a gap between every two adjacent movable row blocks 21; the other end of the fixed block 5 is provided with a handle 54; the inserting plate 53 and the installation inclined plane are perpendicular to each other, and the included angle between the handle 54 and the horizontal plane is 11 degrees.
As shown in figures 3, 4 and 6, when in use, 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 reciprocated in the oblique direction by a transmission device so as to fully combust raw materials and turn over the combusted ash out of the hearth in sequence.
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 block 31 and a second clamping block 32 in a shape like a Chinese character 'ba', four clamping blocks on two adjacent movable row blocks 21 are arranged in a staggered mode, a clamping buckle 4 is arranged between the two movable row blocks 21, firstly, raw materials and combustion waste materials are prevented from entering a gap between the two adjacent movable row blocks 21 in the moving direction of the movable row 2, secondly, due to the fact that the movable row blocks 2 are arranged obliquely, 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, an inclined surface 43 is arranged on the clamping buckle 4, the bottom of the accumulation position of the residues on the fixed row 1 is more beneficial to turning over, the residues can be fully combusted, if more deposits exist on the fixed row 1, when the upper end face of the movable row blocks 21 is popped out, the deposits move along the inclined surface 43 on the clamping buckle 4, and moves to the lower end along the oblique arrangement direction of the fixed row 1 and the movable row 2 for discharging.
In the whole use process, the buckle 4 is only inserted into the corresponding first clamping block 31 and second clamping block 32 through the first slot 41 and the second slot 42, the splayed structure of the two clamping blocks on the same movable row block 21 is utilized, namely the two clamping blocks are obliquely arranged, thus, between the two adjacent movable row blocks 21, a tapered structure with the outer width and the inner width is formed between the adjacent first clamping block 31 and the adjacent second clamping block 32, when the movable row 2 starts to move, the movable row block 21 pushes the buckle 4 to move together, when the movable row block 21 moves back, the outer wall of the clamping block at the corresponding end is mutually attached and abutted to the inner side wall of the slot, the buckle 4 is driven to move together, other connecting and fixing forms are not needed, when the buckle 4 needs to be detached, the buckle 4 can be directly taken out from the upper end, the structure is simplified, and the disassembly and assembly are convenient.
The insertion of buckle 4 has reduced the deflection of the clearance under the great condition of the difference in temperature between the movable row piece 21, has also reduced the probability that the metal fragment falls into the clearance, more is favorable to filling the air from this clearance position in order to do benefit to the raw materials fully to burn, simple structure is practical, and the dismouting is convenient.
The number of the movable row blocks 21 is selected according to the size of the furnace, and should be set and designed according to the needs, which is not unique in this embodiment and is not repeated for setting the number.
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 (7)
1. The utility model provides a furnace grate anti-sticking structure which characterized in that: arrange (1) and move row (2) including deciding that the slant interval set up, its characterized in that: the movable row comprises at least two movable row blocks (21) arranged side by side, a first clamping block (31) and a second clamping block (32) are arranged on each movable row block (21), the two clamping blocks form a splayed structure with a narrow outer part and a wide inner part, a tapered structure with a wide outer part and a narrow inner part is formed between the first clamping block (31) and the second clamping block (32) between every two adjacent movable row blocks (21), a buckle (4) is inserted between every two adjacent movable row blocks (21), the buckle (4) comprises a first slot (41) and a second slot (42), the buckle (4) is arranged between every two adjacent movable row blocks (21), namely the first slot (41) is inserted into the first clamping block (31) of one movable row block (21), meanwhile, the second slot (42) is inserted into the second clamping block (32) of the adjacent movable row block (21), and the buckle (4) is inserted into the two adjacent movable row blocks (21) from top to bottom, the widths of the first slot (41) and the second slot (42) are matched with the widths of the corresponding clamping blocks; an inclined plane (43) is arranged on the buckle (4).
2. The hearth grate anti-sticking structure of claim 1, wherein: the first fixture blocks (31) and the second fixture blocks (32) on the at least two movable row blocks (21) are arranged in a staggered mode.
3. The hearth grate anti-seize structure according to claim 1, characterized in that: the first clamping block (31) and the second clamping block (32) 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. The hearth grate anti-seize structure according to claim 1, characterized in that: the inclination angle of the inclined plane (43) is 35-45 degrees.
5. The hearth grate anti-sticking structure of claim 1, wherein: the lower end of the inclined plane (43) is vertically 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.
6. A method for processing the furnace grate anti-seize structure according to any one of claims 1 to 5, characterized in that: the positioning fixture comprises a positioning fixture, wherein the positioning fixture comprises a fixed block (5), an installation inclined plane is arranged at one end of the fixed block (5), a first positioning groove (51) and a second positioning groove (52) are formed in the fixed block (5), the two positioning grooves form a splayed structure, an inserting plate (53) extending outwards is arranged at a position, corresponding to the position between the two positioning grooves, on the installation inclined plane, and the inserting plate (53) is inserted into a gap between two adjacent movable row blocks (21); the other end of the fixed block (5) is provided with a handle (54), the processing steps are as follows,
1) a first fixture block (31) and a second fixture block (32) are respectively arranged in the first positioning groove (51) and the second positioning groove (52), so that the two fixture blocks form a structure in the shape of a Chinese character 'ba' with wide outer part and narrow inner part;
2) the inserting plate (53) is inserted and positioned with the corresponding position on the movable row, and meanwhile, the two clamping blocks are positioned at the corresponding position at the front end of the movable row (2) and are abutted and positioned;
3) spot-welding and fixing the positioned fixture block at the front end of the movable row (2), and taking down the positioning tool;
4) reinforcing and welding the first clamping block (31) and the second clamping block (32), removing welding slag, and polishing;
5) and the buckle (4) is inserted into the two clamping blocks from top to bottom.
7. The processing method of the hearth grate anti-sticking structure according to claim 6, characterized in that: the inserting plate (53) and the installation inclined plane are perpendicular to each other, and the included angle between the handle (54) and the horizontal plane is 11 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011185394.4A CN112325318B (en) | 2020-10-30 | 2020-10-30 | Hearth fire grate anti-blocking structure and machining method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011185394.4A CN112325318B (en) | 2020-10-30 | 2020-10-30 | Hearth fire grate anti-blocking structure and machining method thereof |
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| Publication Number | Publication Date |
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| CN112325318A CN112325318A (en) | 2021-02-05 |
| CN112325318B true CN112325318B (en) | 2022-08-26 |
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| CN202011185394.4A Active CN112325318B (en) | 2020-10-30 | 2020-10-30 | Hearth fire grate anti-blocking structure and machining method thereof |
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| GB865129A (en) * | 1957-01-30 | 1961-04-12 | Brvni Brnenska Strojirny Zd Y | Improvements in or relating to furnace grates |
| DE4335085C1 (en) * | 1993-10-14 | 1995-06-22 | Kawasaki Heavy Ind Ltd | Grate supporting fuel bed in rubbish incinerating furnace |
| CN101225965A (en) * | 2007-01-17 | 2008-07-23 | 上海环保工程成套有限公司 | Automatic cleaning to-and-fro fire grate of garbage cremator |
| CN101398180A (en) * | 2008-10-22 | 2009-04-01 | 西安交通大学 | Scaled refuse incineration drum grate |
| CN201795504U (en) * | 2010-09-01 | 2011-04-13 | 重庆科技学院 | Incinerator grate with fins in transverse matrix arrangement |
| CN102062402A (en) * | 2010-11-22 | 2011-05-18 | 深圳市鼎铸环保技术有限公司 | Reciprocating inverse-pushing type garbage incinerator |
| CN207394884U (en) * | 2017-09-19 | 2018-05-22 | 浙江蓝孔雀纺织科技有限公司 | A kind of heat transfer oil heater fire grate Anti-clamping structure |
| CN110617484A (en) * | 2019-10-07 | 2019-12-27 | 上海康恒环境股份有限公司 | Fire grate block structure of household garbage incineration grate |
| CN110779024A (en) * | 2018-07-27 | 2020-02-11 | 欧洲焚烧技术服务一人简易股份公司 | Method for modifying a grate of an incinerator, tray support and incinerator |
| CN111043608A (en) * | 2019-11-19 | 2020-04-21 | 瀚蓝绿电固废处理(佛山)有限公司 | Reverse-pushing riding wheel structure of garbage incinerator |
-
2020
- 2020-10-30 CN CN202011185394.4A patent/CN112325318B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB865129A (en) * | 1957-01-30 | 1961-04-12 | Brvni Brnenska Strojirny Zd Y | Improvements in or relating to furnace grates |
| DE4335085C1 (en) * | 1993-10-14 | 1995-06-22 | Kawasaki Heavy Ind Ltd | Grate supporting fuel bed in rubbish incinerating furnace |
| CN101225965A (en) * | 2007-01-17 | 2008-07-23 | 上海环保工程成套有限公司 | Automatic cleaning to-and-fro fire grate of garbage cremator |
| CN101398180A (en) * | 2008-10-22 | 2009-04-01 | 西安交通大学 | Scaled refuse incineration drum grate |
| CN201795504U (en) * | 2010-09-01 | 2011-04-13 | 重庆科技学院 | Incinerator grate with fins in transverse matrix arrangement |
| CN102062402A (en) * | 2010-11-22 | 2011-05-18 | 深圳市鼎铸环保技术有限公司 | Reciprocating inverse-pushing type garbage incinerator |
| CN207394884U (en) * | 2017-09-19 | 2018-05-22 | 浙江蓝孔雀纺织科技有限公司 | A kind of heat transfer oil heater fire grate Anti-clamping structure |
| CN110779024A (en) * | 2018-07-27 | 2020-02-11 | 欧洲焚烧技术服务一人简易股份公司 | Method for modifying a grate of an incinerator, tray support and incinerator |
| CN110617484A (en) * | 2019-10-07 | 2019-12-27 | 上海康恒环境股份有限公司 | Fire grate block structure of household garbage incineration grate |
| CN111043608A (en) * | 2019-11-19 | 2020-04-21 | 瀚蓝绿电固废处理(佛山)有限公司 | Reverse-pushing riding wheel structure of garbage incinerator |
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| CN112325318A (en) | 2021-02-05 |
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