CN2030595U - High-efficiency slotted cooler - Google Patents
High-efficiency slotted cooler Download PDFInfo
- Publication number
- CN2030595U CN2030595U CN 88210468 CN88210468U CN2030595U CN 2030595 U CN2030595 U CN 2030595U CN 88210468 CN88210468 CN 88210468 CN 88210468 U CN88210468 U CN 88210468U CN 2030595 U CN2030595 U CN 2030595U
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- cooler
- utility
- heat exchange
- exchange chamber
- heat
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Abstract
The utility model relates to a cement burning device, particularly a slotted cooler. The existing slotted cooler has the defects of low heat efficiency, large volume, high air consumption, easy damage to a box body at the tail part, influence to the service life and the running rate of equipment, etc. The utility model adopts the structure of a variable-section heat-exchanging chamber to effectively enhance the heat efficiency and reduce the volume of the slotted cooler, and besides, the utility model adopts an inversely ladder table-shaped air tank to reduce the air consumption. The utility model is also provided with an impact-proofing heat-insulating board at the tail part of the heat-exchanging chamber so that the service life and the running rate of the equipment are enhanced.
Description
The utility model relates to a kind of cement sintering equipment, is meant a kind of grate cooler especially.
In the manufacture of cement industry, vertical furnace is because power consumption is high, and product code numbering is low, so more and more be not used.In the big-and-middle-sized at home and abroad at present cement mill, nearly all adopt by rotary kiln, give the cement sintering system that thermal decomposition furnace and grate cooler are formed.Wherein the effect of grate cooler is to utilize the bed of combing that the grog that burns till is transported to discharge end, in the process of carrying, utilize air-cooled temperature to lower with grog, simultaneously the heat that reclaims is sent back to and give second stage employ in the thermal decomposition furnace, to improve thermo-efficiency, before and after the comb bed of present grate cooler (making the MG2AQ grate cooler as the Kawasaki, Japan heavy industry) is wide, the anterior bed utilization ratio of combing is very low, only concentrate on the centre of the anterior bed of combing by the grog that falls in the rotary kiln, topped grog seldom on the grate plate of the anterior bed both sides of combing, thereby this structure increased the volume of heat exchange chamber meaninglessly, influenced heat exchanger effectiveness.The transverse section of the bellows of existing grate cooler is square, and the wind that is blown into by the wind box side forms eddy current in wind box like this, causes very big invisible waste.In addition, when grog carries out fragmentation at the cooler afterbody, very easily produce and splash, bump damages the clay casing of internal water of heat exchange chamber, has influenced the work-ing life and the operation factor of equipment.
The purpose of this utility model is to propose a kind of grate cooler with new structure, to reach the raising heat exchanger effectiveness, reduce equipment volume, reduce invisible waste, improve the purpose of operation rate and prolongation service life of equipment simultaneously, thereby overcome the drawback that prior art exists.
The efficient grate cooler that the utility model proposes is made up of heat exchange chamber and its underpart bellows, the main point that the utility model is different from prior art is the structure of its heat exchange chamber, two portions width is unequal before and after this heat exchange chamber, the forward width is narrow than the rear portion, and the width of the comb bed that the front portion is laid also is narrower than the width of the comb bed that lays at the rear portion.In addition; the utility model is protected also improvement to some extent in the bellows shape of heat exchange chamber bottom and the inner bin of heat exchange afterbody; the shape of bellows of the present utility model is preferably the inverted trapezoidal shape; the cross section of bellows is inverted trapezoidal; the wind that blows into bellows like this from the bellows side is easy to blow to along the inclined-plane of inverted trapezoidal the grate plate of top, has reduced invisible waste.Produce when preventing that grog is broken and splash, bump and damage the cement system casing of cooler heat exchange chamber afterbody, the utility model also can be installed the protecting against shock warming plate at the heat exchange chamber afterbody, and the protecting against shock warming plate is made up of steel plate and slag wool.In conjunction with the accompanying drawings the utility model is described further, accompanying drawing 1,2,3 is the synoptic diagram of the structure of expression grate cooler, and accompanying drawing 4 has been represented the structure of protecting against shock warming plate.Front and rear heat exchange chamber at grate cooler is provided with the comb bed of being made up of grate plate 6 respectively, 9, fixedly grate plate and activity grate plate longitudinal interval are provided with, the width of rear portion comb bed 9 is greater than the width of the bed 6 of combing, the activity grate plate is by chassis 7,10 control to-and-fro movements, on bed 6 is combed in cement heat material is dropped on the heat exchange chamber of cooler by the feeding mouth of kiln tail by cooler front portion, the activity grate plate front-rear reciprocation movement of comb bed 6, make cement clinker constantly to the rear portion be moved into the rear portion comb the bed 9 on, by the bed 9 of combing cement clinker is delivered to rear portion outlet 11 then, enter pulverizer then, in the cement clinker whole motion process, the wind that enters bellows via air intake vent 12 enters heat exchange chamber along bellows inclined-plane 14 by eyelet on the grate plate and accumulation cement clinker thereon, also just realized simultaneously heat exchange, the temperature of wind raises, part high temperature wind enters rotary kiln again along inlet 1, part high temperature wind is entered by outlet 2 as secondary air and gives the thermolysis system and be used, because anterior heat exchange chamber volume reduces, wind-warm syndrome raises fast.The low temperature wind that produces at the heat exchange chamber rear portion is by outlet 4 discharges, and upward the cement clinker ulking thickness is bigger for bed owing to comb in the front portion, and the blast of anterior bellows also should corresponding increasing.Cement clinker is delivered to outlet 11 by the bed of combing and enters crusher then, produces the cement clinker that splashes when broken and impacts on the protecting against shock warming plate of being made up of steel plate 15,16 and slag wool 17, damages not producing the casing of heat exchange chamber.
The grate cooler that the utility model proposes adopts the variable section structure heat exchange chamber, not only reduced the volume of heat exchange chamber, and the hot blast temperature via mouth 1 and mouthful 2 outputs is raise, improved thermo-efficiency, adopt the inclined-plane bellows structure, reduced invisible waste, installing protecting against shock warming plate improves the work-ing life and the operation factor of equipment greatly.
Accompanying drawing 1 is the vertical cross-sectional schematic of grate cooler.1 is the grog inlet of cooler among the figure, the 2nd, and the outlet of secondary air, the 3rd, heat exchange chamber casing, the 4th, the outlet of low temperature wind, the 5th, protecting against shock warming plate casing, the 6th, the anterior bed of combing, the 7th, chassis, the 8th, bellows, the 9th, the rear portion bed of combing, the 10th, chassis, the 11st, cement clinker outlet.
Fig. 2 is a cooler A-A transverse sectional view, the 12nd, and the pressure wind of bellows inlet, the 14th, the inclined-plane of bellows, the 13rd, the leak down machine for zipper of cement of transportation grate plate.
Fig. 3 is a cooler comb bed part B-B schematic top plan view, the 6th, and the anterior bed of combing, the 9th, rear portion comb bed.
Fig. 4 is a protecting against shock warming plate structural representation, the 15th, and outside steel plate, the 16th, steel casing, the 17th, slag wool.
Embodiment:
The 500T/D grate cooler of Chaoyang Heavy-duty Machinery Factory, Liaoning Prov.'s design, anterior comb bed surface is long-pending to be 1.68 * 3.9m
2, 6 rows, 13 row grate plates are arranged, rear portion comb bed surface is long-pending to be 2.24 * 7.5m
2, 6 rows, 13 row grate plates are arranged, rear portion comb bed surface is long-pending to be 2.24 * 7.5m
2, 8 rows, 25 row grate plates are arranged, 14.5 ° at anterior grate plate angle of inclination, 13.5 ° at grate plate angle of inclination, rear portion, grate plate reciprocating stroke 130mm, the bottom bellows are 52 ° for the cross section tapering, protecting against shock warming plate outer steel thickness of slab 4.5mm, steel frame thickness is 10mm, the slag wool thickness of middle filling is 90mm.
Claims (3)
1, a kind of efficient grate cooler that is made of heat exchange chamber and wind box is characterized in that said heat exchange chamber front portion is narrower than the rear portion, and the comb bed that the front portion is laid is also narrow than the comb bed at rear portion.
2, efficient grate cooler as claimed in claim 1, what it is characterized in that said wind box is shaped as inverted trapezoidal shape body.
3, efficient grate cooler as claimed in claim 1 is characterized in that said heat exchange chamber afterbody is equipped with the protecting against shock warming plate that is made of steel plate and slag wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88210468 CN2030595U (en) | 1988-04-27 | 1988-04-27 | High-efficiency slotted cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88210468 CN2030595U (en) | 1988-04-27 | 1988-04-27 | High-efficiency slotted cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2030595U true CN2030595U (en) | 1989-01-11 |
Family
ID=4843965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88210468 Expired - Lifetime CN2030595U (en) | 1988-04-27 | 1988-04-27 | High-efficiency slotted cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2030595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567406A (en) * | 2014-12-30 | 2015-04-29 | 天津钢铁集团有限公司 | Heat insulation device for drag chain conveyors |
| CN108534561A (en) * | 2018-07-19 | 2018-09-14 | 江西银杉白水泥有限公司 | Integral type white cement clinker cools down equipment |
-
1988
- 1988-04-27 CN CN 88210468 patent/CN2030595U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567406A (en) * | 2014-12-30 | 2015-04-29 | 天津钢铁集团有限公司 | Heat insulation device for drag chain conveyors |
| CN108534561A (en) * | 2018-07-19 | 2018-09-14 | 江西银杉白水泥有限公司 | Integral type white cement clinker cools down equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |