CN201610435U - Hearth rotating mechanism for rotary hearth furnace - Google Patents
Hearth rotating mechanism for rotary hearth furnace Download PDFInfo
- Publication number
- CN201610435U CN201610435U CN2009203153889U CN200920315388U CN201610435U CN 201610435 U CN201610435 U CN 201610435U CN 2009203153889 U CN2009203153889 U CN 2009203153889U CN 200920315388 U CN200920315388 U CN 200920315388U CN 201610435 U CN201610435 U CN 201610435U
- Authority
- CN
- China
- Prior art keywords
- stove
- standing
- metal plate
- against fire
- precaution against
- 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 - Fee Related
Links
Images
Landscapes
- Tunnel Furnaces (AREA)
Abstract
The utility model discloses a hearth rotating mechanism for a rotary hearth furnace, which is used in the new process that coal-based materials are used for directly obtaining reduced iron. A fire-resisting material layer is arranged on an upper furnace plate; supporting devices are uniformly arranged on the outer circumference of the bottom surface of a lower furnace plate; each supporting device comprises a forged steel supporting roll, a supporting turning wheel and a supporting track; driving devices are uniformly arranged on the outer circumference of the lower furnace plate; a ring-shaped gap is formed between the furnace plate and a furnace wall; and a water seal device is arranged under the ring-shaped gap. The mechanism is applicable to the large-scale rotary hearth furnace (the annual yield of the reduced iron is more than 100 tons), and a stable basis is provided for positioning a large amount of raw materials in the rotary hearth furnace, therefore the productive capacity is high.
Description
Technical field
The utility model relates to coal-based direct reduction iron production unit field, more particularly, relates to mechanism at the bottom of a kind of commentaries on classics that is used for rotary hearth furnace.
Background technology
Along with the continuous development of international steel industry and the quick raising of production capacity, opposite scarcity of coking coal resource and improving constantly of environmental requirement have also brought huge pressure for steel sustainable development.
Iron And Steel Industry adapts to the environmental protection requirement that improves day by day in order to break away from the yoke of coking coal resource shortage to the Iron And Steel Industry development, realizes energy-saving and cost-reducing; improve the steel products structure; realize the comprehensive utilization of resource, under this environment, the coal-based direct reduction iron technology is also promoted development fast.The industrial scale of coal-based direct reduction iron novel process is less at present, and the maximum in the world at present rotary hearth furnace coal base reduction iron U.S. IRON of power Inland Steel annual production is 500,000 tons, and existing equipment has restricted output.
The utility model content
Technical problem to be solved in the utility model is, overcomes the deficiencies in the prior art, provides a kind of rotary hearth furnace that is used for the coal-based direct reduction iron novel process to change end mechanism.
The utility model rotary hearth furnace changes end mechanism, be achieved by following technical proposals, furnace bottom is made up of upper stone or metal plate for standing on a stove as a precaution against fire and lower stone or metal plate for standing on a stove as a precaution against fire, on the described upper stone or metal plate for standing on a stove as a precaution against fire refractory masses is set, described lower stone or metal plate for standing on a stove as a precaution against fire bottom surface excircle evenly is provided with bracing or strutting arrangement, described bracing or strutting arrangement comprises the forged steel supporting roll, supports runner and supporting track, and lower stone or metal plate for standing on a stove as a precaution against fire bottom surface excircle is the forged steel supporting roll fixedly; Each forged steel supporting roll lower end fixed support runner; Described support runner is arranged in the supporting track, and supporting track is installed on the concrete foundation; Described lower stone or metal plate for standing on a stove as a precaution against fire excircle evenly is provided with drive unit, described drive unit is made up of oil motor, step-down gear, transmitting gear, pin gear, the pin gear is changeing beneath stone or metal plate for standing a stove on as a precaution against fire excircle with Bolt Connection, described oil motor connects step-down gear and transmitting gear successively, transmitting gear and pin toothing; Between described stone or metal plate for standing a stove on as a precaution against fire and the furnace wall circumferential weld is arranged, described circumferential weld below is provided with water sealed tank, and water sealed tank is fixed on the supporting plate of furnace wall outside furnace stay, and fixedly water seal cutter and rotation water seal cutter are set in the water sealed tank, described fixedly water seal cutter is fixed on the furnace wall supporting plate, rotates the water seal cutter and is fixed on the lower stone or metal plate for standing on a stove as a precaution against fire backplate; Above-mentioned water seal cutter lower rim is positioned at the water sealed tank underwater.
The utility model is applicable to large-scale rotary hearth furnace equipment (annual production megaton equipment), provides firm support for placing a large amount of raw materials in the rotary hearth furnace, thereby realizes high production capacity; Place raw material on the upper stone or metal plate for standing on a stove as a precaution against fire refractory masses, heat resisting temperature can reach about 1000 ℃, can ensure under hot conditions the support to raw material.
Description of drawings
Fig. 1 the utility model structural representation;
Fig. 2 the utility model support device structure synoptic diagram;
Fig. 3 the utility model driving device structure synoptic diagram;
Fig. 4 the utility model water seal arrangement structural representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1, the rotary hearth furnace furnace bottom is made up of upper stone or metal plate for standing on a stove as a precaution against fire 14 and lower stone or metal plate for standing on a stove as a precaution against fire 15, refractory masses 16 is set on the described upper stone or metal plate for standing on a stove as a precaution against fire, described lower stone or metal plate for standing on a stove as a precaution against fire bottom surface excircle evenly is provided with bracing or strutting arrangement 12, described lower stone or metal plate for standing on a stove as a precaution against fire excircle evenly is provided with drive unit 11, between described stone or metal plate for standing a stove on as a precaution against fire and the furnace wall circumferential weld is arranged, described circumferential weld below is provided with water seal arrangement 13;
As shown in Figure 2, bracing or strutting arrangement comprises forged steel supporting roll 1, supports runner 2 and supporting track 3, and lower stone or metal plate for standing on a stove as a precaution against fire bottom surface excircle is the forged steel supporting roll fixedly; Each forged steel supporting roll lower end fixed support runner; Described support runner is arranged in the supporting track, and supporting track is installed on the concrete foundation 4;
As shown in Figure 3, described drive unit is made up of oil motor 31, step-down gear 32, transmitting gear 33, pin gear 34, the pin gear is changeing beneath stone or metal plate for standing a stove on as a precaution against fire excircle with Bolt Connection, and described oil motor connects step-down gear and transmitting gear successively, transmitting gear and pin toothing;
As shown in Figure 4, between described stone or metal plate for standing a stove on as a precaution against fire and the furnace wall circumferential weld is arranged, described circumferential weld below is provided with water sealed tank 23, water sealed tank is fixed on the supporting plate of furnace wall 22 outside furnace stays, fixedly water seal cutter 24 and rotation water seal cutter 25 are set in the water sealed tank, described fixedly water seal cutter is fixed on furnace wall 22 supporting plates, rotates the water seal cutter and is fixed on lower stone or metal plate for standing on a stove as a precaution against fire 21 backplates; Above-mentioned water seal cutter lower rim is positioned at the water sealed tank underwater.
Rotary hearth furnace in use lower stone or metal plate for standing on a stove as a precaution against fire is subjected to drive rotation, and supporting roll rotates with supporting in the supporting track of runner on concrete foundation simultaneously, for whole furnace bottom is done an effectively overfill protection.
Embodiment recited above is described the utility model preferred implementation; be not that design of the present utility model and scope are limited; under the prerequisite that does not break away from the utility model design philosophy; common engineering technical personnel make the technical solution of the utility model in this area various distortion and improvement all should belong to protection domain of the present utility model.
Claims (1)
1. a rotary hearth furnace changes end mechanism, furnace bottom is made up of upper stone or metal plate for standing on a stove as a precaution against fire and lower stone or metal plate for standing on a stove as a precaution against fire, it is characterized in that, on the described upper stone or metal plate for standing on a stove as a precaution against fire refractory masses is set, described lower stone or metal plate for standing on a stove as a precaution against fire bottom surface excircle evenly is provided with bracing or strutting arrangement, described bracing or strutting arrangement comprises the forged steel supporting roll, supports runner and supporting track, and lower stone or metal plate for standing on a stove as a precaution against fire bottom surface excircle is the forged steel supporting roll fixedly; Each forged steel supporting roll lower end fixed support runner; Described support runner is arranged in the supporting track, and supporting track is installed on the concrete foundation; Described lower stone or metal plate for standing on a stove as a precaution against fire excircle evenly is provided with drive unit, described drive unit is made up of oil motor, step-down gear, transmitting gear, pin gear, the pin gear is changeing beneath stone or metal plate for standing a stove on as a precaution against fire excircle with Bolt Connection, described oil motor connects step-down gear and transmitting gear successively, transmitting gear and pin toothing; Between described stone or metal plate for standing a stove on as a precaution against fire and the furnace wall circumferential weld is arranged, described circumferential weld below is provided with water sealed tank, and water sealed tank is fixed on the supporting plate of furnace wall outside furnace stay, and fixedly water seal cutter and rotation water seal cutter are set in the water sealed tank, described fixedly water seal cutter is fixed on the furnace wall supporting plate, rotates the water seal cutter and is fixed on the lower stone or metal plate for standing on a stove as a precaution against fire backplate; Above-mentioned water seal cutter lower rim is positioned at the water sealed tank underwater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203153889U CN201610435U (en) | 2009-11-21 | 2009-11-21 | Hearth rotating mechanism for rotary hearth furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203153889U CN201610435U (en) | 2009-11-21 | 2009-11-21 | Hearth rotating mechanism for rotary hearth furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201610435U true CN201610435U (en) | 2010-10-20 |
Family
ID=42961067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203153889U Expired - Fee Related CN201610435U (en) | 2009-11-21 | 2009-11-21 | Hearth rotating mechanism for rotary hearth furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201610435U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829607A (en) * | 2012-09-17 | 2012-12-19 | 辽宁科技大学 | Rotary hearth furnace brown coal drying method and device |
| CN103388979A (en) * | 2013-08-05 | 2013-11-13 | 吉林大华机械制造有限公司 | Continuous-heating cooling furnace |
| CN103673594A (en) * | 2013-12-11 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Rotary hearth mechanical device for non-heat-carrier heat storage type rotary bed pyrolysis |
-
2009
- 2009-11-21 CN CN2009203153889U patent/CN201610435U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829607A (en) * | 2012-09-17 | 2012-12-19 | 辽宁科技大学 | Rotary hearth furnace brown coal drying method and device |
| CN102829607B (en) * | 2012-09-17 | 2014-07-16 | 辽宁科技大学 | Rotary hearth furnace brown coal drying method and device |
| CN103388979A (en) * | 2013-08-05 | 2013-11-13 | 吉林大华机械制造有限公司 | Continuous-heating cooling furnace |
| CN103388979B (en) * | 2013-08-05 | 2015-09-30 | 吉林大华机械制造有限公司 | A kind of laser heating cool furnace |
| CN103673594A (en) * | 2013-12-11 | 2014-03-26 | 北京神雾环境能源科技集团股份有限公司 | Rotary hearth mechanical device for non-heat-carrier heat storage type rotary bed pyrolysis |
| CN103673594B (en) * | 2013-12-11 | 2015-10-28 | 北京神雾环境能源科技集团股份有限公司 | A kind ofly turn end mechanical device without the pyrolysis of heat carrier heat accumulating type rotating bed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201610435U (en) | Hearth rotating mechanism for rotary hearth furnace | |
| CN102266916B (en) | High-quality high-yield steel ingot preparing method | |
| CN201575694U (en) | Mechanical apparatus at bottom of circular rotary hearth furnace | |
| CN203657462U (en) | Rotary bottom mechanical device for heat-carrier-free heat-storage-type revolving bed pyrolysis | |
| CN102311112A (en) | Furnace for graphitization and corresponding method for graphitization | |
| CN211284490U (en) | Large cover with heat-preservation and heating function for titanium sponge distillation production | |
| CN201751385U (en) | Graphitizing furnace | |
| CN201598305U (en) | Rotary hearth furnace hearth structure | |
| CN102071273A (en) | Rotary hearth furnace for directly reducing coal base into iron | |
| CN201598304U (en) | Furnace bottom structure with water seal devices | |
| CN201598303U (en) | Structure of driving furnace bottom | |
| CN201532107U (en) | Partition structure in rotary hearth furnace | |
| CN201532106U (en) | Hearth supporting device of rotary hearth furnace | |
| CN202973842U (en) | Improved rotary kiln catch wheel device | |
| CN201662318U (en) | Novel rotary kiln body | |
| CN203984183U (en) | A kind of single-bearing machine false bearings bearing | |
| CN102072646A (en) | Insulating furnace bottom structure | |
| CN205821416U (en) | A kind of aluminium scrap, aluminum ash regeneration system | |
| CN208711253U (en) | A kind of continuous deslagging device in fluidizing chlorination production titanium tetrachloride | |
| CN201532105U (en) | Hearth transmission device of rotary hearth furnace | |
| CN102071274A (en) | Refractory driving furnace bottom structure | |
| CN202786311U (en) | Converter alloy feeding rotary device | |
| CN201660652U (en) | Water seal structure between hearth and furnace wall of rotary hearth furnace | |
| CN202628126U (en) | Auxiliary machine for hydraulic support assembly and disassembly | |
| CN110904345A (en) | Large cover with heat-preservation and heating function for titanium sponge distillation production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |