GB924346A - A method of cooling small lumpy material on air-permeable conveyor means - Google Patents
A method of cooling small lumpy material on air-permeable conveyor meansInfo
- Publication number
- GB924346A GB924346A GB592362A GB592362A GB924346A GB 924346 A GB924346 A GB 924346A GB 592362 A GB592362 A GB 592362A GB 592362 A GB592362 A GB 592362A GB 924346 A GB924346 A GB 924346A
- Authority
- GB
- United Kingdom
- Prior art keywords
- air
- bed
- chamber
- grate
- cooling
- Prior art date
- 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.)
- Expired
Links
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
- F27D15/0266—Cooling with means to convey the charge on an endless belt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/10—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material
- F28C3/12—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
- F28C3/16—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid the particulate material forming a bed, e.g. fluidised, on vibratory sieves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
924,346. Cooling furnace charges. POLYSIUS G.m.b.H. Feb. 15, 1962 [March 9, 1961], No. 5923/62. Class 51 (2). In a method of cooling small lumpy material such as cement clinker or burnt limestone in the form of a bed on an air permeable travelling grate cooler by air which is subsequently used wholly as combustion air in a preceding furnacing or kilning plant, a proportion of the total volume of cooling air is passed in crossflow once through the bed of material in a section of the travelling grate immediately adjacent its entry end whilst the remainder of the air is passed in cross-flow two or more times through the bed of material in a following section of grate, beginning at the discharge end of the travelling grate and then consecutively passing through progressively hotter sections of material. The Figure shows how the method may be applied to rotary cement kiln. Material leaving the rotary kiln 1 enters a pre-cooling zone 2 of an air-permeable travelling grate cooler upon which it is then conveyed through the chamber 3 and 4 constituting an after-cooling zone to be discharged from the grate at 5. Below the pre-cooling zone 2 is situated an air chamber 6 into which a fan 7 forces between 20 and 40% of the total cooling air at a high pressure of about 200-300 mm. water column the air escaping through the grate and the bed of material thereon at such velocity as to fluidize the material to the zone 2 lowering the temperature of the material falling on to the said grate to such a degree that it ceases to cake and aggregate in the bed. A fan 10 blows fresh air at a low pressure, say 50 mm. water column into an air chamber 9 situated below the chamber 4 into which air flows through the bed of material on the travelling grate. The low-pressure air is extracted from the chamber 4 by a fan 12 through a duct 11 and is fed to a chamber 8 from which it passes through the bed for a second time, this time passing into the chamber 3 from whence after mixing with the high-pressure air from the fan 7 it passes to the kiln 1.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP0026729 | 1961-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB924346A true GB924346A (en) | 1963-04-24 |
Family
ID=7370554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB592362A Expired GB924346A (en) | 1961-03-09 | 1962-02-15 | A method of cooling small lumpy material on air-permeable conveyor means |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH402708A (en) |
| GB (1) | GB924346A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2467889A1 (en) * | 1979-10-22 | 1981-04-30 | Asarco Inc | METHOD AND APPARATUS FOR COOLING A SINTERED METAL OXIDE PRODUCT OBTAINED FROM A SULFIDE ORE |
| CN109737758A (en) * | 2019-01-24 | 2019-05-10 | 南京西普水泥工程集团有限公司 | A kind of mobile adjustable plenum chamber structure and cement clinker cooler |
| CN115505657A (en) * | 2022-10-26 | 2022-12-23 | 中冶节能环保有限责任公司 | High-temperature steel slag efficient cooling heat exchange method and grate type air cooling bed |
-
1962
- 1962-02-09 CH CH158462A patent/CH402708A/en unknown
- 1962-02-15 GB GB592362A patent/GB924346A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2467889A1 (en) * | 1979-10-22 | 1981-04-30 | Asarco Inc | METHOD AND APPARATUS FOR COOLING A SINTERED METAL OXIDE PRODUCT OBTAINED FROM A SULFIDE ORE |
| CN109737758A (en) * | 2019-01-24 | 2019-05-10 | 南京西普水泥工程集团有限公司 | A kind of mobile adjustable plenum chamber structure and cement clinker cooler |
| CN109737758B (en) * | 2019-01-24 | 2024-06-04 | 南京西普国际工程有限公司 | Movable adjustable air chamber structure and cement clinker cooler |
| CN115505657A (en) * | 2022-10-26 | 2022-12-23 | 中冶节能环保有限责任公司 | High-temperature steel slag efficient cooling heat exchange method and grate type air cooling bed |
Also Published As
| Publication number | Publication date |
|---|---|
| CH402708A (en) | 1965-11-15 |
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