CN202304448U - Grate plate of grate cooler - Google Patents
Grate plate of grate cooler Download PDFInfo
- Publication number
- CN202304448U CN202304448U CN201120374177XU CN201120374177U CN202304448U CN 202304448 U CN202304448 U CN 202304448U CN 201120374177X U CN201120374177X U CN 201120374177XU CN 201120374177 U CN201120374177 U CN 201120374177U CN 202304448 U CN202304448 U CN 202304448U
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- plate
- grate plate
- grate
- groove
- grog
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Abstract
The utility model relates to the technical field of cement clinker line grate coolers, in particular to a grate plate of a grate cooler. The grate plate comprises plate surfaces, each plate surface is provided with a groove, and a flange capable of supplementing the plate surface joint clearance is arranged on at least one joint side edge of the plate surfaces. As improvement, each groove is provided with holes, and the opening direction of the holes is consistent with the advancing direction of a clinker. Preferably, the holes are elongated. According to the grate plate of the grate cooler, the flange capable of supplementing the plate surface joint clearance is arranged on at least one joint side edge of the plate surfaces; and when the grate plate is used, the flange supplements the joint clearance between the two plate surfaces, so that the clinker cannot flow out of the clearance, and the problem about material leakage at the joint of two sides of the grate plate is solved.
Description
Technical field
The utility model relates to clinker line cold prevention machine technical field, relates to a kind of cold prevention machine grate plate especially.
Background technology
Cold prevention machine is the critical host equipment in the grog firing system of cement plant, and its major function is that clinker is cooled off, carries; For rotary kiln and dore furnace etc. provide hot-air, be the capital equipment of firing system recuperation of heat simultaneously.Along with developing rapidly of modern new dry cement production technology and equipment, and the technology of clinker cold prevention machine improves constantly, and high-effect, reliable grog cold prevention machine becomes the key of guaranteeing system's production capacity.And cold prevention machine grate plate is the important composition parts of the grog cold prevention machine in the cement industry firing system.The grate plate is used for mean allocation cold wind cooling grog, makes grog that temperature is cooled to 100 ℃ of exit temperature and carries grog for 1350 ℃ from the porch.
Existing third generation cold prevention machine grate plate all is referred to as the low material grate plate that leaks of high-drag.Reason with high-drag grate plate is to improve the average air distribution problem of grog material bed.Cold wind is blown over the grate plate earlier, arrive grog again, and grate plate and grog all has resistance, and former grate plate resistance power is very low, so the resistance of the bed of material has determined whether air distribution is average; The size particles of the bed of material is not evenly distributed again, thereby causes the uneven problem of air distribution.Unequal air distribution can produce " Red River ", and Red River is the thin grog stream of high temperature, its flow fast can damage grate plate etc. the equipment of cold prevention machine, also cause a series of negative effects such as the clinker temperature of outlet is higher.High-drag grate plate is invented to unequal air distribution problem, and the reason of high-drag is that pressure falls is the twice that is proportional to wind speed, the wind speed of cold wind through the grate plate hole from before 10m/s bring up to 40m/s, this falls than bigger in the past pressure with regard to producing.The increase of grate plate resistance power improves the problem of unequal air distribution greatly.
But, existing most high-drag grate plate, there is serious leakage material problem in the place that the grate plate is adjacent with the grate plate.The perforate mode in the pattern of recessing, not recessing or grate hole is all not too reasonable on the grate plate, opens slotted hole like both sides in groove, causes unnecessary crushing easily.
Summary of the invention
The invention provides a kind of cold prevention machine grate plate, solve the leakage material problem that grate plate and grate plate adjacent exist.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of cold prevention machine grate plate comprises the plate face, and said plate face is provided with groove, and at least one side that said plate face engages with the plate face is provided with the flange that can mend plate face joint clearance.Wherein, said flange is arranged at the below of plate face side.
During actual the use; Can develop two kinds of grate plates, a kind of both sides at the grate plate are provided with flange, and an another kind of side at the grate plate is provided with flange; When the grate plate is used; Flange has been mended the joint clearance between the two plate faces, and grog can not be flowed out from the gap, and having solved grate plate both sides is the leakage material problem of joint.Wherein, the size in gap is generally 2-3mm, so the size of flange can be according to the size making in gap, to save material and cost of manufacture.
One of improve, be provided with the hole in the said groove, the opening direction in said hole is consistent with the direction of advance of grog.The opening direction in hole is consistent with the direction of advance of grog, and promptly air-out direction is consistent with the direction of advance of grog, can help grog to move forward thus, has alleviated the load of transmission system.
Alternatively, said hole is elongated, and the design in strip hole has bigger draught area than circular hole, further improves the operating efficiency of grate plate.
Two of improvement also is provided with lateral orifices in the said groove.The design of lateral orifices has further increased the draught area of grate plate.When adopting three or during with the grate plate of upper groove, if enough draught areas are arranged, the design that also can save lateral orifices reduces operation.
As further improvement, said groove is a rectangular recess, and its long limit arranged direction is vertical with the grog direction of advance, and the long limit of said groove is of a size of 80-90mm.The arranged direction of existing grate plate groove is different with the utility model cold prevention machine grate plate, is generally vertical design, and promptly the long side direction of rectangular recess is parallel with the direction of advance of grog.Through industrial test, the design of the groove size of this cold prevention machine grate plate makes its cloth wind effect the most desirable.Groove is used for splendid attire extremely expects, promptly motionless grog, and dead material can be used for protecting the grate plate to increase the service life of grate plate.
The grate plate groove that the groove of this cold prevention machine grate plate is more general is big; The groove that size is big can load more grog; When large-sized groove makes cold wind through grog grog there is better peptizaiton; Also can make simultaneously the grate plate obtain better protection, reduce its rate of wear, thereby prolonged service life widely.
Compared with prior art, the invention has the beneficial effects as follows:
The utility model cold prevention machine grate plate is provided with the flange that can mend plate face joint clearance at least one side that the plate face engages with the plate face; When the grate plate is used; Flange has been mended the joint clearance between the two plate faces, and grog can not be flowed out from the gap, and having solved grate plate both sides is the leakage material problem of joint.
Description of drawings
Fig. 1 is the structural representation of the utility model cold prevention machine grate plate.
The specific embodiment
Below in conjunction with the specific embodiment the present invention is further described.
Be illustrated in figure 1 as the embodiment of the utility model cold prevention machine grate plate, comprise plate face 10, plate face 10 is provided with groove 11, and at least one side that the plate face engages with the plate face is provided with the flange 12 that can mend plate face joint clearance.Wherein, flange 12 is arranged at the below of plate face 10 sides.
At least one side that this cold prevention machine grate plate engages with the plate face at the plate face is provided with the flange 12 that can mend plate face joint clearance; When the grate plate is used; Flange 12 has been mended the joint clearance between the two plate faces, and grog can not be flowed out from the gap, and having solved grate plate both sides is the leakage material problem of joint.
During actual the use; Can develop two kinds of grate plates, a kind of both sides at the grate plate are provided with flange 12, and an another kind of side at the grate plate is provided with flange 12; When the grate plate is used; Flange 12 has been mended the joint clearance between the two plate faces, and grog can not be flowed out from the gap, and having solved grate plate both sides is the leakage material problem of joint.Wherein, the size in gap is generally 2-3mm, so the size of flange 12 can be according to the size making in gap, to save material and cost of manufacture.
Wherein, be provided with hole 111 in the groove 11, present embodiment is as improvement, and the opening direction in the hole 111 that groove 11 is provided with is consistent with the direction of advance of grog.The opening direction in hole 111 is consistent with the direction of advance of grog, and promptly air-out direction is consistent with the direction of advance of grog, can help grog to move forward thus, has alleviated the load of transmission system.In order further to improve the operating efficiency of grate plate, hole 111 is designed to strip, and there is bigger draught area in the strip hole than circular port, thereby reaches better ventilation effect.
As the further improvement of present embodiment, also be provided with lateral orifices 112 in the groove 11.The design of lateral orifices 112 has further increased the draught area of grate plate.When adopting three or during with the grate plate of upper groove 11, if enough draught areas are arranged, the design that also can save lateral orifices 112 reduces operation.
As the further improvement of present embodiment, groove 11 is a rectangular recess, and its long limit arranged direction is vertical with the grog direction of advance, and groove 11 long limits are of a size of 80-90mm, and present embodiment is selected the size of 85mm for use.The arranged direction of existing grate plate groove is different with the utility model cold prevention machine grate plate, is generally vertical design, and promptly the long side direction of rectangular recess is parallel with the direction of advance of grog.Through industrial test, groove 11 size design of this cold prevention machine grate plate make its cloth wind effect the most desirable.Groove is used for splendid attire extremely expects, promptly motionless grog, and dead material can be used for protecting the grate plate to increase the service life of grate plate.The grate plate groove that the groove 11 of this cold prevention machine grate plate is more general is big; The groove that size is big can load more grog; When large-sized groove makes cold wind through grog grog there is better peptizaiton; Also can make simultaneously the grate plate obtain better protection, reduce its rate of wear, thereby prolonged service life widely.
Claims (7)
1. a cold prevention machine grate plate comprises plate face (10), and said plate face is provided with groove (11), it is characterized in that: at least one side that said plate face engages with the plate face is provided with the flange (12) that can mend plate face joint clearance.
2. cold prevention machine grate plate according to claim 1, it is characterized in that: said flange is arranged at the below of plate face side.
3. cold prevention machine grate plate according to claim 1 is characterized in that: be provided with hole (111) in the said groove, the opening direction in said hole is consistent with the direction of advance of grog.
4. cold prevention machine grate plate according to claim 3, it is characterized in that: said hole is elongated.
5. cold prevention machine grate plate according to claim 3 is characterized in that: also be provided with lateral orifices (112) in the said groove.
6. according to the arbitrary described cold prevention machine grate plate of claim 1-5, it is characterized in that: said groove is a rectangular recess, and its long limit arranged direction is vertical with the grog direction of advance.
7. cooling machine comb plate according to claim 6 is characterized in that: the long limit of said groove is of a size of 80-90mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120374177XU CN202304448U (en) | 2011-10-08 | 2011-10-08 | Grate plate of grate cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120374177XU CN202304448U (en) | 2011-10-08 | 2011-10-08 | Grate plate of grate cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202304448U true CN202304448U (en) | 2012-07-04 |
Family
ID=46373331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120374177XU Expired - Lifetime CN202304448U (en) | 2011-10-08 | 2011-10-08 | Grate plate of grate cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202304448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108291777A (en) * | 2015-12-03 | 2018-07-17 | Khd洪保德韦达克有限公司 | Grate plate for formula cooler of combing |
-
2011
- 2011-10-08 CN CN201120374177XU patent/CN202304448U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108291777A (en) * | 2015-12-03 | 2018-07-17 | Khd洪保德韦达克有限公司 | Grate plate for formula cooler of combing |
| CN108291777B (en) * | 2015-12-03 | 2019-12-20 | Khd洪保德韦达克有限公司 | Grate plate for grate cooler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |