CN102321776A - Hot-blast furnace combined grate suitable for stacking checker bricks with different structures - Google Patents
Hot-blast furnace combined grate suitable for stacking checker bricks with different structures Download PDFInfo
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- CN102321776A CN102321776A CN201110323324A CN201110323324A CN102321776A CN 102321776 A CN102321776 A CN 102321776A CN 201110323324 A CN201110323324 A CN 201110323324A CN 201110323324 A CN201110323324 A CN 201110323324A CN 102321776 A CN102321776 A CN 102321776A
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- checker brick
- grate
- fire grate
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Abstract
The invention relates to a hot-blast furnace combined grate suitable for stacking checker bricks with different structures, and can effectively solve the problem that the checker bricks are broken due to slippage between the checker bricks and the grate. A grate body is provided with round through holes; each positioning sleeve is a T-shaped cylinders formed by sleeving a big ring at one end of a small cylinder; small cylinders are arranged in the round through holes at equal intervals; the lower end faces of big rings are arranged on the hole walls of the grate body; positioning sleeves arranged on the grate body at intervals form positioning lug bosses; the positioning lug bosses are matched with grooves on checker brick transition blocks; and the checker brick transition blocks are arranged on the grate body and closely combined with the checker bricks. By the hot-blast furnace combined grate, the accuracy of stacking the checker bricks is improved, the through hole rate of the checker bricks is improved, the checker bricks are prevented from being damaged, and the effects of improving a flow field structure and enhancing heat transfer are achieved.
Description
Technical field
The present invention relates to a kind of hotblast stove combination stove grate that is suitable for stacking the different structure checker brick that the blast funnace hot blast stove regenerator is used.
Background technology
Hotblast stove is the cast iron structure that is used for supporting heat storage with fire grate, adopts one-piece construction usually or is divided into the structure of several bulks, directly puts checker brick on it.Do like this and very easily cause the aperture through hole of opening on checker brick aperture and the bulk fire grate to be not easy to aim at, cause the through-hole rate of checker brick to descend.In addition; The thermal expansivity of fire grate and the thermal expansivity of checker brick differ bigger; This slippage between checker brick and fire grate that can cause being in operation, this sliding motion can not realize that because of the load-bearing above the checker brick this will cause easily that the checker brick that contact with fire grate are damaged.
Summary of the invention
To above-mentioned situation, for overcoming the prior art defective, the present invention's purpose just provides a kind of hotblast stove combination stove grate that is suitable for stacking the different structure checker brick, can effectively solve the slippage between checker brick and fire grate, causes the damaged problem of checker brick.
The technical scheme that the present invention solves is; Abutment sleeve and checker brick transition block by tabular fire grate daughter, T shape are formed; Have the manhole of evenly arranging by the equilateral triangle spacing in the fire grate daughter; Hole wall between the Kong Yukong all becomes the load larrying member of fire grate, and abutment sleeve is that a large circle is enclosed within an end of a little cylinder and the T font cylindrical body formed, roundlet tube equidistance and insert in the manhole of evenly arranging in the fire grate daughter at interval; The lower surface of large circle is shelved on the hole wall of fire grate daughter; The abutment sleeve that is placed at interval in the fire grate daughter forms the positioning boss that rule is arranged, and the groove on positioning boss and the checker brick transition block matches closely, and the checker brick transition block is placed in the fire grate daughter exactly; Boss on the checker brick transition block and the checker brick of placing on it are combined closely; Checker brick are positioned on the fire grate, change the structure of checker brick transition block, and the different checker brick of checkerwork cell diameter checkerwork cell number different or onesize area all can be complementary with the fire grate with spline structure.
The present invention is a kind of combined fire grate structure; So that improve the particularity of making and the convenience of Installation and Debugging; The present invention had both accomplished to improve the accuracy of the stacking of checker brick; Improve the through-hole rate of checker brick again, and prevented the damage of checker brick, gone back the effect that affix improves flow field structure and enhance heat transfer simultaneously.
Description of drawings
Fig. 1 is a structure vertical view of the present invention.
Fig. 2 for the A-A of Fig. 1 of the present invention to the structural profile front view.
Fig. 3 is a checker brick transition block structural front view of the present invention.
Fig. 4 is the structural front view of the abutment sleeve on fire grate daughter of the present invention and top thereof.
Fig. 5 is the structure vertical view of Fig. 4 of the present invention.
Fig. 6 is the structure vertical view of another embodiment of the present invention.
Fig. 7 for the A-A of Fig. 6 of the present invention to the structural profile front view.
Embodiment
Elaborate below in conjunction with the accompanying drawing specific embodiments of the invention.
Provide by Fig. 1-Fig. 7; The present invention is made up of the abutment sleeve 2 and the checker brick transition block 3 of tabular fire grate daughter 1, T shape; Have the manhole of evenly arranging by the equilateral triangle spacing 4 in the fire grate daughter 1; Hole wall 5 between the Kong Yukong all becomes the load larrying member of fire grate, and abutment sleeve 2 is that a large circle is enclosed within an end of a little cylinder and the T font cylindrical body formed, roundlet tube equidistance and insert in the manhole of evenly arranging in the fire grate daughter 14 at interval; The lower surface 6 of large circle is shelved on the hole wall 5 of fire grate daughter; The abutment sleeve 2 that is placed at interval in the fire grate daughter 1 forms the positioning boss that rule is arranged, and the groove 9 on positioning boss and the checker brick transition block 3 matches closely, and checker brick transition block 3 is placed in the fire grate daughter 1 exactly; Boss 8 on the checker brick transition block 3 and the checker brick of placing on it 10 are combined closely; Checker brick are positioned on the fire grate, change the structure of checker brick transition block 3, and the different checker brick of checkerwork cell diameter checkerwork cell number different or onesize area all can be complementary with the fire grate with spline structure.
Have the manhole of evenly arranging by the equilateral triangle spacing 4 in the described fire grate daughter 1, its aperture is 20～40mm, and pitch of holes is 1.5～1.8 mm; Described checker brick transition block 3 is consistent with the checker brick that stack on checker brick transition block top, has between the upper and lower surfaces and is uniformly distributed with through hole 7, and one side has boss 8, and another side is fluted 9, and groove quantity is greater than boss quantity, to realize through hole 7 intercommunication each other; Described checker brick 10 are consistent with checker brick transition block 3 structures, change the structure that checker brick 10 structures just must change corresponding checker brick transition block 3; Described checker brick 10 are the 19 hole checker brick (as shown in Figure 6) in 25～30mm aperture or the 37 hole checker brick (as shown in fig. 1) in the following aperture of 19mm.
Can know that by said structure the present invention, is fused the checker brick transition block by means of the abutment sleeve of T shape structure by the tabular fire grate daughter (look the stove diameter or be divided into some) of even perforate, forms compound fire grate structure.As long as change the bore size of checker brick transition block; Can realize being connected of checker brick of same fire grate daughter and different size, change the structure of checker brick transition block 3, just can make different checkerwork cell diameters; Or onesize area and the different checker brick of checkerwork cell number can be complementary with the fire grate with spline structure; For example the checker brick transition block of 19 holes layout changes the checker brick transition block that 37 holes are arranged into, the checker brick that stacking 37 holes are arranged on the fire grate that just can realize arranging by 19 holes.So just brought convenience for the design fire grate; The mixing use that also is the checker brick of different checkerwork cells layouts has brought convenience; Especially for adopting the small-bore checker brick to bring the daughter of design fire grate convenient, simultaneously, reach the transformation of flow pattern because of the intercommunication setting of the big or small checkerwork cell of fluid process; The homogeneity in its flow field and and checker brick between heat transfer all can improve, the structure that changes transition block can also realize that the different structure checker brick are in the stacking of not having damage with stable on a kind of fire grate.
The present invention is because the even perforate of equilateral triangle spacing is pressed in the fire grate daughter; And press certain intervals placement positioning sleeve; The positioning boss of its upper end is connected with the groove of checker brick transition block; And the boss on the checker brick transition block face links to each other with the groove of checker brick; All there is the adjusting surplus in connection each time, just can guarantee 100% the through-hole rate and the accuracy of stacking so the checker brick the first layer is stacked, and checker brick stacking through-hole rate is low like this, the stacking internal stress is big and inhomogeneous and the bottom checker brick have all obtained effective solution because of thermal stresses causes the problem of damage.
Claims (5)
1. hotblast stove combination stove grate that is suitable for stacking the different structure checker brick; It is characterized in that; Abutment sleeve (2) and checker brick transition block (3) by tabular fire grate daughter (1), T shape are formed; Have the manhole of evenly arranging by the equilateral triangle spacing (4) in the fire grate daughter (1); Hole wall between the Kong Yukong (5) all becomes the load larrying member of fire grate, and abutment sleeve (2) is that a large circle is enclosed within an end of a little cylinder and the T font cylindrical body formed, roundlet tube equidistance and insert fire grate daughter (1) at interval and go up in the manhole of evenly arranging (4); The lower surface of large circle (6) is shelved on the hole wall (5) of fire grate daughter; The abutment sleeve (2) that is placed at interval in the fire grate daughter (1) forms the positioning boss that rule is arranged, and the groove (9) on positioning boss and the checker brick transition block (3) matches closely, and checker brick transition block (3) is placed in the fire grate daughter (1) exactly; Boss (8) on the checker brick transition block (3) and the checker brick of placing on it (10) are combined closely; Checker brick are positioned on the fire grate, change the structure of checker brick transition block (3), and the different checker brick of checkerwork cell diameter checkerwork cell number different or onesize area all can be complementary with the fire grate with spline structure.
2. the hotblast stove combination stove grate that is suitable for stacking the different structure checker brick according to claim 1; It is characterized in that; Have the manhole of evenly arranging by the equilateral triangle spacing (4) in the described fire grate daughter (1), its aperture is 20～40mm, and pitch of holes is 1.5～1.8 mm.
3. the hotblast stove combination stove grate that is suitable for stacking the different structure checker brick according to claim 1; It is characterized in that described checker brick transition block (3) is consistent with the checker brick that stack on checker brick transition block top, has between the upper and lower surfaces and is uniformly distributed with through hole (7); One side has boss (8); Another side fluted (9), groove quantity are greater than boss quantity, to realize through hole (7) intercommunication each other.
4. the hotblast stove combination stove grate that is suitable for stacking the different structure checker brick according to claim 1; It is characterized in that; Described checker brick (10) are consistent with checker brick transition block (3) structure, change the structure that checker brick (10) structure just must change corresponding checker brick transition block (3).
5. the hotblast stove combination stove grate that is suitable for stacking the different structure checker brick according to claim 1 is characterized in that, described checker brick (10) are the 19 hole checker brick in 25～30mm aperture or the 37 hole checker brick in the following aperture of 19mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110323324A CN102321776A (en) | 2011-10-22 | 2011-10-22 | Hot-blast furnace combined grate suitable for stacking checker bricks with different structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110323324A CN102321776A (en) | 2011-10-22 | 2011-10-22 | Hot-blast furnace combined grate suitable for stacking checker bricks with different structures |
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| Publication Number | Publication Date |
|---|---|
| CN102321776A true CN102321776A (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110323324A Pending CN102321776A (en) | 2011-10-22 | 2011-10-22 | Hot-blast furnace combined grate suitable for stacking checker bricks with different structures |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912056A (en) * | 2012-10-30 | 2013-02-06 | 陈维汉 | Hot air furnace with function of jetting individual premixed gas streams to flow back into preheating regenerator to be combusted |
| CN103290156A (en) * | 2013-05-15 | 2013-09-11 | 萨伯丁·安东 | A grate plate device for a checker brick hot blast stove |
| CN111961778A (en) * | 2020-09-28 | 2020-11-20 | 中冶京诚工程技术有限公司 | Anti-sliding structure for checker brick and checker brick masonry structure |
| CN111981851A (en) * | 2020-06-24 | 2020-11-24 | 中冶南方武汉钢铁设计研究院有限公司 | Grate with flow dividing function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL148940B (en) * | 1972-09-04 | 1976-03-15 | Hoogovens Ijmuiden Bv | GRID FOR CARRYING THE FIREPROOF STACKING OF A WIND HEATER. |
| CN201040761Y (en) * | 2007-06-01 | 2008-03-26 | 济南济钢设计院 | Hot blast stove checker brick supporting device |
| CN201074821Y (en) * | 2007-06-29 | 2008-06-18 | 唐山大方铸造有限公司 | Furnace grill brace device for hot-blast stove |
| CN201942698U (en) * | 2010-12-28 | 2011-08-24 | 鞍钢集团工程技术有限公司 | Device for fixing checker bricks of hot air furnace |
| CN201983451U (en) * | 2011-03-25 | 2011-09-21 | 河南省豫兴热风炉工程技术有限公司 | Combined fire grate of hot air furnace |
| CN202272901U (en) * | 2011-10-22 | 2012-06-13 | 河南省豫兴热风炉工程技术有限公司 | Hot-blast stove combination furnace grill suitable for stacking checker bricks with different structures |
-
2011
- 2011-10-22 CN CN201110323324A patent/CN102321776A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL148940B (en) * | 1972-09-04 | 1976-03-15 | Hoogovens Ijmuiden Bv | GRID FOR CARRYING THE FIREPROOF STACKING OF A WIND HEATER. |
| CN201040761Y (en) * | 2007-06-01 | 2008-03-26 | 济南济钢设计院 | Hot blast stove checker brick supporting device |
| CN201074821Y (en) * | 2007-06-29 | 2008-06-18 | 唐山大方铸造有限公司 | Furnace grill brace device for hot-blast stove |
| CN201942698U (en) * | 2010-12-28 | 2011-08-24 | 鞍钢集团工程技术有限公司 | Device for fixing checker bricks of hot air furnace |
| CN201983451U (en) * | 2011-03-25 | 2011-09-21 | 河南省豫兴热风炉工程技术有限公司 | Combined fire grate of hot air furnace |
| CN202272901U (en) * | 2011-10-22 | 2012-06-13 | 河南省豫兴热风炉工程技术有限公司 | Hot-blast stove combination furnace grill suitable for stacking checker bricks with different structures |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912056A (en) * | 2012-10-30 | 2013-02-06 | 陈维汉 | Hot air furnace with function of jetting individual premixed gas streams to flow back into preheating regenerator to be combusted |
| CN103290156A (en) * | 2013-05-15 | 2013-09-11 | 萨伯丁·安东 | A grate plate device for a checker brick hot blast stove |
| CN103290156B (en) * | 2013-05-15 | 2016-03-02 | 萨伯丁·安东 | Grid plate device of lattice brick hot-blast stove |
| CN111981851A (en) * | 2020-06-24 | 2020-11-24 | 中冶南方武汉钢铁设计研究院有限公司 | Grate with flow dividing function |
| CN111961778A (en) * | 2020-09-28 | 2020-11-20 | 中冶京诚工程技术有限公司 | Anti-sliding structure for checker brick and checker brick masonry structure |
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Application publication date: 20120118 |