IT1088075B - Controlling the operation of roller hearth tunnel kilns - using air preheated during cooling of the baked ceramic prods. - Google Patents
Controlling the operation of roller hearth tunnel kilns - using air preheated during cooling of the baked ceramic prods.Info
- Publication number
- IT1088075B IT1088075B IT2836877A IT2836877A IT1088075B IT 1088075 B IT1088075 B IT 1088075B IT 2836877 A IT2836877 A IT 2836877A IT 2836877 A IT2836877 A IT 2836877A IT 1088075 B IT1088075 B IT 1088075B
- Authority
- IT
- Italy
- Prior art keywords
- kiln
- air
- blower
- controlling
- during cooling
- Prior art date
Links
Landscapes
- Tunnel Furnaces (AREA)
- Furnace Details (AREA)
Abstract
The kilns ae used to bake ceramics or refractories and include a forced cooling zone near the outlet end of the kiln and fed by a blower with atmos air. Downstream from the blower is a suction fan extracting the cooling air mixed with combustion gases and recycling the mixt. partly to the kiln and partly to a blower. Blower is also fed with atmos. air, and supplies air for combustion to burners located along the tunnel kiln. Another suction fan is pref. used at the inlet end of the kiln to create a counter-current of burnt gas, i.e. travelling in the opposite direction to the workpieces; the gas includes gas and vapour arising from organic impurities in the workpieces. Zone pref. has air inlet pipes on each side of the kiln, and the angle of the air streams from these pipes can be varied. Provides accurate kiln control, e.g. in baking tiles or bricks.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2836877A IT1088075B (en) | 1977-10-07 | 1977-10-07 | Controlling the operation of roller hearth tunnel kilns - using air preheated during cooling of the baked ceramic prods. |
| FR7825504A FR2405448B1 (en) | 1977-10-07 | 1978-09-05 | INSTALLATION FOR CHECKING THE CONDUIT OF ROLLER OVENS FOR THE COOKING OF CERAMIC OR SIMILAR MATERIALS |
| DE2840284A DE2840284C2 (en) | 1977-10-07 | 1978-09-15 | Control device for the operation of roller kilns |
| GB7837288A GB2007810B (en) | 1977-10-07 | 1978-09-19 | Spa tunnel kiln for the thermal treatment of ceramic or refractory materials or the like |
| MX174986A MX150622A (en) | 1977-10-07 | 1978-09-22 | IMPROVEMENTS IN INSTALLATION FOR THE CONTROL OF THE CONDUCTION OF THE ROLL OVENS FOR THE COOKING OF CERAMIC OR SIMILAR MATERIALS |
| US05/947,176 US4249895A (en) | 1977-10-07 | 1978-09-29 | Kiln |
| JP12140878A JPS5499111A (en) | 1977-10-07 | 1978-10-02 | Kiln |
| ES473984A ES473984A1 (en) | 1977-10-07 | 1978-10-05 | Kiln |
| BR7806622A BR7806622A (en) | 1977-10-07 | 1978-10-05 | INSTALLATION FOR OPERATION CONTROL OF ROLLER OVENS FOR COOKING CERAMIC OR SIMILAR MATERIALS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2836877A IT1088075B (en) | 1977-10-07 | 1977-10-07 | Controlling the operation of roller hearth tunnel kilns - using air preheated during cooling of the baked ceramic prods. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1088075B true IT1088075B (en) | 1985-06-04 |
Family
ID=11223469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2836877A IT1088075B (en) | 1977-10-07 | 1977-10-07 | Controlling the operation of roller hearth tunnel kilns - using air preheated during cooling of the baked ceramic prods. |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1088075B (en) |
-
1977
- 1977-10-07 IT IT2836877A patent/IT1088075B/en active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961025 |