CN108692577B - Automatic cloth grate bed - Google Patents
Automatic cloth grate bed Download PDFInfo
- Publication number
- CN108692577B CN108692577B CN201810771867.5A CN201810771867A CN108692577B CN 108692577 B CN108692577 B CN 108692577B CN 201810771867 A CN201810771867 A CN 201810771867A CN 108692577 B CN108692577 B CN 108692577B
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- China
- Prior art keywords
- grate
- grate plate
- fixed
- plate
- movable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
- F27D15/0213—Cooling with means to convey the charge comprising a cooling grate
- F27D15/022—Cooling with means to convey the charge comprising a cooling grate grate plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
- F27D15/0213—Cooling with means to convey the charge comprising a cooling grate
- F27D2015/0246—Combination of fixed and movable grates
Abstract
The invention discloses an automatic material distributing grate bed, wherein the grate plate group comprises a fixed grate plate and a movable grate plate, the fixed grate plate is arranged on a fixed beam, one end of the fixed grate plate is provided with a first pushing part, the thickness of the first pushing part gradually increases towards the direction away from the fixed grate plate, the movable grate plate is arranged on a movable beam, the movable grate plate is positioned at one side of the fixed grate plate, which is close to the first pushing part, and one end of the movable grate plate, which is close to the fixed grate plate, is positioned below the first pushing part. Through the automatic material distribution grate bed of the above-mentioned optimal design, through the optimal design to the comb board structure, improve the pushing efficiency of comb board greatly for the material evenly distributed on whole grate bed, thereby improve the heat exchange efficiency of material, prevent because the cooling inhomogeneous that local material is too thick causes.
Description
Technical Field
The invention relates to the technical field of cement clinker cooling, in particular to an automatic material distribution grate bed.
Background
On the novel dry cement production line, the cement clinker discharged from the rotary kiln directly falls into the grate cooler. Most of the existing grate coolers are third-generation grate coolers, and grate plates are arranged on a fixed beam and a movable beam and drive cement clinker to continuously move forwards on a grate bed along with the reciprocating motion of the movable beam driven by a transmission device. In the moving process, because the speed of pushing the clinker by the middle grate plate and the two side grate plates of the grate bed is the same, the clinker on the grate bed is always thick in the middle material layer and thin in the two side material layers. The resistance of the material layer is large, the cooling air quantity is less, and the clinker cannot be sufficiently cooled; the resistance of the thin part of the material layer is small, a large amount of cold air rapidly passes through, the contact time with clinker is short, and enough heat exchange cannot be obtained, so that the heat recovery efficiency of the kiln system is low. At present, in order to improve the condition of uneven distribution of the material layer, technicians are provided with blind plates and bridge plates at two sides of the grate bed, so as to slow down the movement speed of clinker at two sides and increase the accumulation of the clinker at two sides, but the problem of uneven distribution of the material layer is not fundamentally solved, and the ventilation area and the conveying capacity of the grate bed are sacrificed.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides an automatic material distributing grate bed.
The invention provides an automatic material distributing grate bed, which comprises a feeding bed body, a fixed beam, a movable beam and at least one grate plate group;
the grate plate group is arranged below the feeding bed body, the fixed beam and the movable beam are arranged below the grate plate group, the grate plate group comprises a fixed grate plate and a movable grate plate, the fixed grate plate is arranged on the fixed beam, one end of the fixed grate plate is provided with a first pushing part, the thickness of the first pushing part gradually increases towards a direction away from the fixed grate plate, the movable grate plate is arranged on the movable beam, the movable grate plate is positioned on one side of the fixed grate plate, which is close to the first pushing part, and one end of the movable grate plate, which is close to the fixed grate plate, is positioned below the first pushing part.
Preferably, the movable grate plate comprises a plurality of grate plate groups, one end of the movable grate plate of each grate plate group, which is far away from the fixed grate plate, is provided with a second pushing part, and the second pushing part is positioned above one end of the fixed grate plate of the adjacent grate plate group, which is far away from the first pushing part.
Preferably, the maximum thickness of the first pushing part of the plurality of grate plate groups gradually decreases in a direction away from the feeding bed body.
Preferably, the thickness of the second pushing part gradually increases in a direction away from the movable grate plate; preferably, the maximum thickness of the second pushing part of the plurality of grate plate groups gradually decreases in a direction away from the feeding bed body.
Preferably, the top of the fixed grate plate is provided with a first cambered surface with the middle part bent downwards.
Preferably, the fixed grate plate is provided with a first upper grate slit, one end of the first pushing part, which is far away from the fixed grate plate, is provided with a first pushing surface, and the first pushing surface is provided with a first end grate slit.
Preferably, the top of the movable grate plate is provided with a second cambered surface with the middle part bent downwards.
Preferably, the movable grate plate is provided with a second upper grate slit.
Preferably, one end of the second pushing part far away from the movable grate plate is provided with a second pushing surface, and the second pushing surface is provided with a second end grate slit.
Preferably, the bottom of the fixed grate plate is provided with a first reinforcing rib plate perpendicular to the fixed grate plate, and a second reinforcing rib plate perpendicular to the movable grate plate is arranged below the movable grate plate.
According to the automatic material distribution grate bed, a fixed beam and a movable beam are arranged on a feeding bed body, the grate plate group comprises a fixed grate plate and a movable grate plate, the fixed grate plate is arranged on the fixed beam, one end of the fixed grate plate is provided with a first material pushing part, the thickness of the first material pushing part gradually increases towards the direction away from the fixed grate plate, the movable grate plate is arranged on the movable beam, the movable grate plate is positioned on one side of the fixed grate plate close to the first material pushing part, and one end of the movable grate plate close to the fixed grate plate is positioned below the first material pushing part. Through the automatic material distribution grate bed of the above-mentioned optimal design, through the optimal design to the comb board structure, improve the pushing efficiency of comb board greatly for the material evenly distributed on whole grate bed, thereby improve the heat exchange efficiency of material, prevent because the cooling inhomogeneous that local material is too thick causes.
Drawings
Fig. 1 is a schematic structural view of an automatic material distributing grate bed according to the present invention.
FIG. 2 is a schematic view of section A-A of FIG. 1.
Fig. 3 is a schematic view of section B-B of fig. 1.
Fig. 4 is a schematic diagram of a front view of a fixed grate plate of an automatic distributing grate according to the present invention.
Fig. 5 is a schematic diagram of a front view structure of a movable grate plate of an automatic material distributing grate bed according to the present invention.
Detailed Description
As shown in fig. 1 to 5, fig. 1 is a schematic structural view of an automatic material distributing grate bed according to the present invention, fig. 2 is a schematic sectional view A-A of fig. 1, fig. 3 is a schematic sectional view B-B of fig. 1, fig. 4 is a schematic structural view of a fixed grate plate of an automatic material distributing grate bed according to the present invention, and fig. 5 is a schematic structural view of a movable grate plate of an automatic material distributing grate bed according to the present invention.
Referring to fig. 1 to 3, the invention provides an automatic distributing grate bed, which comprises a feeding bed body 1, a fixed beam 2 and at least one grate plate group of a movable beam 3;
the utility model discloses a feeding bed body, including a feeding bed body 1, a fixed beam 2, a movable beam 3, a fixed grid plate 4, a movable grid plate 5, a movable grid plate 4, a movable grid plate 5, a fixed grid plate 4 and a movable grid plate 5.
In the specific working process of the automatic material distributing grate bed, the first material pushing part of the fixed grate plate pushes the material on the movable grate plate forwards through the relative movement between the fixed grate plate and the movable grate plate; a plurality of grate plate groups are arranged, the movable grate plate and the fixed grate plate of each group move relatively, and forward pushing of materials is realized through the first pushing part and the second pushing part.
In this embodiment, the automatic cloth grate bed that proposes is equipped with fixed beam and fly beam on the feeding bed body, the comb board group is including fixed comb board and activity comb board, and fixed comb board is installed on the fixed beam, and fixed comb board one end is equipped with first pushing part, the thickness of first pushing part increases gradually to the direction of keeping away from fixed comb board, and the activity comb board is installed on the fly beam, and the activity comb board is located fixed comb board and is close to first pushing part one side, and activity comb board is close to fixed comb board one end and is located first pushing part below. Through the automatic material distribution grate bed of the above-mentioned optimal design, through the optimal design to the comb board structure, improve the pushing efficiency of comb board greatly for the material evenly distributed on whole grate bed, thereby improve the heat exchange efficiency of material, prevent because the cooling inhomogeneous that local material is too thick causes.
Referring to fig. 4, in a specific arrangement of the fixed grate plates, the maximum thickness of the first pushing parts of the plurality of grate plate groups gradually decreases in a direction away from the feed inlet; because the thickness of the material near the feed inlet is highest, through carrying out optimal design to the first pushing part of a plurality of comb board groups that set gradually for the comb board pushing efficiency near the feed inlet is highest, and the pushing efficiency to the direction comb board that keeps away from the feed inlet reduces gradually, further guarantees the material evenly distributed in the discharge direction of comb bed.
In other specific design modes of the grate plates, each grate plate can be composed of a plurality of grate plate units, and the heights of the pushing parts of the plurality of grate plate units can be gradually reduced from the middle part to the two sides, so that the pushing uniformity is further improved; as shown in fig. 1, the grid plate of the shadow part adopts the grid plate structure proposed by the embodiment, and the non-shadow part adopts the common grid plate structure.
Referring to fig. 5, in a specific arrangement manner of the movable grate plate, the thickness of the second pushing portion gradually increases in a direction away from the movable grate plate 5; preferably, the maximum thickness of the second pushing parts of the grid plate groups gradually decreases in a direction away from the feeding port; the pushing efficiency of the movable grate plate is improved, and the uniform distribution of materials is ensured.
Through the optimal design of the arrangement mode of the pushing parts of a plurality of grate plates on the grate bed, the whole grate bed material is finally uniformly distributed, the thickness of the material layer is basically the same in ideal state, and meanwhile, the upper grate seam is matched with the end grate seam, so that the material and cold air are subjected to full heat exchange, the full cooling of the material is facilitated, and the heat recovery efficiency of the system is improved.
In other specific embodiments, the top of the fixed grate plate 4 is provided with a first cambered surface with the middle part bent downwards, and the top of the movable grate plate 5 is provided with a second cambered surface with the middle part bent downwards; through setting the grid plate top to the cambered surface, guarantee that the pushing is smooth and easy to have no residue to improve pushing efficiency.
Referring to fig. 3-4, in order to improve the cooling effect, in a specific design manner of the fixed grate plate, a first upper grate slit is formed on the fixed grate plate 4, a first pushing surface is formed at one end of the first pushing part, which is far away from the fixed grate plate 4, and a first end grate slit is formed on the first pushing surface; in the pushing process, the cold air cools the materials through the grate slits, the heat exchange area is improved, the cooling effect is improved, the materials on the movable grate plate are further cooled through the grate slits at the first end, and the heat exchange efficiency is further improved.
Similarly, in the specific design mode of the movable grate plate, a second upper grate slit is arranged on the movable grate plate 5, a second pushing surface is arranged at one end of the second pushing part far away from the movable grate plate 5, and a second end grate slit is arranged on the second pushing surface.
In order to improve the strength of the fixed grate plate, in a specific embodiment, the bottom of the fixed grate plate 4 is provided with a first reinforcing rib plate, and the first reinforcing rib plate is perpendicular to the fixed grate plate 4; likewise, in order to improve the strength of the movable grate plate, the bottom of the movable grate plate 5 is provided with a second reinforcing rib plate, and the second reinforcing rib plate is perpendicular to the movable grate plate 5; in a specific design mode, the reinforcing rib plates are perpendicular to the grid plates to ensure supporting strength.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. An automatic distribution grate bed, comprising: the feeding bed comprises a feeding bed body (1), a fixed beam (2), a movable beam (3) and at least one grid plate group;
the utility model provides a feeding bed body (1) below is installed to comb board group, and fixed beam (2) and fly beam (3) set up comb board group below, comb board group is including fixed comb board (4) and activity comb board (5), and fixed comb board (4) are installed on fixed beam (2), and fixed comb board (4) one end is equipped with first pushing part, the thickness of first pushing part increases gradually to the direction of keeping away from fixed comb board (4), and activity comb board (5) are installed on fly beam (3), and activity comb board (5) are located fixed comb board (4) are close to first pushing part one side, and activity comb board (5) are close to fixed comb board (4) one end and are located first pushing part below.
2. The automatic distributing grate bed according to claim 1, characterized by comprising a plurality of grate plate groups, wherein one end of a movable grate plate (5) of each grate plate group, which is far away from a fixed grate plate (4), is provided with a second pushing part, and the second pushing part is positioned above one end, which is far away from the first pushing part, of the fixed grate plate (4) of the adjacent grate plate group.
3. The automatic distributing grate bed of claim 2, wherein the maximum thickness of the first pushing part of the plurality of grate plate groups gradually decreases in a direction away from the feeding bed body (1).
4. The automatic distributing grate bed according to claim 2, characterized in that the thickness of the second pushing part gradually increases in a direction away from the movable grate plate (5); the maximum thickness of the second pushing part of the grid plate groups gradually decreases towards the direction away from the feeding bed body (1).
5. The automatic distributing grate bed according to claim 1, characterized in that the top of the fixed grate plate (4) is provided with a first cambered surface with a downwards bent middle part.
6. The automatic distributing grate bed according to claim 1 or 5, characterized in that a first upper grate slit is arranged on the fixed grate plate (4), a first pushing surface is arranged at one end of the first pushing part far away from the fixed grate plate (4), and a first end grate slit is arranged on the first pushing surface.
7. The automatic distributing grate bed according to claim 1, characterized in that the top of the movable grate plate (5) is provided with a second cambered surface with a downwards bent middle part.
8. The automatic distributing grate bed according to claim 2, characterized in that the movable grate plate (5) is provided with a second upper grate slit.
9. The automatic material distributing grate bed according to claim 8, wherein one end of the second material pushing part far away from the movable grate plate (5) is provided with a second material pushing surface, and a second end grate slit is formed on the second material pushing surface.
10. The automatic distributing grate bed according to claim 1, wherein a first reinforcing rib plate perpendicular to the fixed grate plate (4) is arranged at the bottom of the fixed grate plate (4), and a second reinforcing rib plate perpendicular to the movable grate plate (5) is arranged below the movable grate plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771867.5A CN108692577B (en) | 2018-07-13 | 2018-07-13 | Automatic cloth grate bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771867.5A CN108692577B (en) | 2018-07-13 | 2018-07-13 | Automatic cloth grate bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108692577A CN108692577A (en) | 2018-10-23 |
| CN108692577B true CN108692577B (en) | 2023-09-01 |
Family
ID=63850694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810771867.5A Active CN108692577B (en) | 2018-07-13 | 2018-07-13 | Automatic cloth grate bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108692577B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001012864A (en) * | 1999-06-30 | 2001-01-19 | Taiheiyo Cement Corp | Clinker cooler and its grate plate |
| CN102353271A (en) * | 2011-10-19 | 2012-02-15 | 上海建丰重型机械有限公司 | Novel grate type cooler |
| CN204787856U (en) * | 2015-07-01 | 2015-11-18 | 兴化市振泰合金钢有限公司 | Ladder comb board |
| CN206222947U (en) * | 2016-09-28 | 2017-06-06 | 安徽海螺川崎装备制造有限公司 | A kind of integral inclined formula of heat-resistant antifriction fixes grate plate |
| CN208998569U (en) * | 2018-07-13 | 2019-06-18 | 安徽节源环保科技有限公司 | A kind of automatic distributing grate |
-
2018
- 2018-07-13 CN CN201810771867.5A patent/CN108692577B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001012864A (en) * | 1999-06-30 | 2001-01-19 | Taiheiyo Cement Corp | Clinker cooler and its grate plate |
| CN102353271A (en) * | 2011-10-19 | 2012-02-15 | 上海建丰重型机械有限公司 | Novel grate type cooler |
| CN204787856U (en) * | 2015-07-01 | 2015-11-18 | 兴化市振泰合金钢有限公司 | Ladder comb board |
| CN206222947U (en) * | 2016-09-28 | 2017-06-06 | 安徽海螺川崎装备制造有限公司 | A kind of integral inclined formula of heat-resistant antifriction fixes grate plate |
| CN208998569U (en) * | 2018-07-13 | 2019-06-18 | 安徽节源环保科技有限公司 | A kind of automatic distributing grate |
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| Publication number | Publication date |
|---|---|
| CN108692577A (en) | 2018-10-23 |
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