CN201074821Y - Furnace grill brace device for hot-blast stove - Google Patents
Furnace grill brace device for hot-blast stove Download PDFInfo
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- CN201074821Y CN201074821Y CNU2007201017749U CN200720101774U CN201074821Y CN 201074821 Y CN201074821 Y CN 201074821Y CN U2007201017749 U CNU2007201017749 U CN U2007201017749U CN 200720101774 U CN200720101774 U CN 200720101774U CN 201074821 Y CN201074821 Y CN 201074821Y
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- fire grate
- furnace grate
- hot
- furnace
- grate
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Abstract
A furnace grate supporting post device which is used for a hot-air furnace belongs to the technical field of a high furnace iron-smelting device, which is used to solve the problem that heat exchanging rate of a furnace grate is accelerated. The utility model comprises a furnace grate, a supporting post and a joist, wherein the joist is positioned on the supporting post, the furnace grate is positioned on the joist, and a lattice brick is arranged on the furnace grate. The improved furnace grate is the double layer structure, which comprises a lower layer furnace grate and an upper layer furnace grate cover, wherein the lower layer furnace grate is distributed with regular hexagon cells, and each cell is covered with a furnace grate cover with an eyelet. The double layer flat furnace grate of the utility model and the regular hexagon structure of the lower layer furnace grate can eliminate the thermal load, the upper furnace grate and the lattice brick are holes which are mutually matched, which can increase the area of thermal storage and ensure the air flow unblocking of the furnace grate and the lattice brick hole. Furthermore, a cylindrical hollow supporting post can avoid the phenomenon that the plane flange which is arranged on the upper portion of the cross-shaped section are easily distorted and the stress of the flange is irregularly-distributed. The utility model can greatly accelerate the heat exchanging speed of a furnace grate, reduce the consumption of energy sources, and prolong the service life.
Description
Technical field
The utility model relates to a kind of stove device, provides the hot-blast stove fire grate and the pillar of hot blast in particular for blast furnace ironmaking, belongs to the blast furnace ironmaking equipment technical field.
Background technology
In the blast furnace ironmaking process, need high-temperature hot-air to be blown in the stove, and high-temperature hot-air is provided by the hot-blast stove of special setting.Hot-blast stove comprises furnace shell, combustion chamber, regenerator, pillar, fire grate etc., fire grate is by pillar supporting, whole checker brick of regenerator all are supported on the pillar by fire grate, pillar and fire grate are in the supporting checker brick, guarantee the heat transfer rate that air-flow is unimpeded, accelerate fire grate, reduce energy resource consumption.At present the hot-blast stove fire grate that extensively adopts of iron-smelter is two kinds of segment type or flat grates, and segment type hot-blast stove fire grate adopts 2 shore supports, and flame-proof sphere is bigger to fire grate pressure, and fire grate is short service life.Flat grate mostly is single layer structure, and the fire grate hole is little, and heating surface is little, and ventilatory effect is poor, and power consumption is serious.Its cross sectional shape of Chang Yong pillar is a cross in addition, and this shape is because of hot-blast stove furnace temperature height, and the face-flange time above the cross has been grown and has been easy to generate local deformation and stress distribution inequality, causes overall structure impaired, influences the service life of hot-blast stove thus.
Summary of the invention
The utility model is used to overcome the defective of prior art and a kind of hot-blast stove heat transfer rate that can effectively improve is provided, thus the fire grate leg unit that is used for hot-blast stove that improves the hot-blast stove serviceability, increases the service life.
The alleged problem of the utility model is realized by following technical scheme:
A kind of fire grate leg unit that is used for hot-blast stove, comprise fire grate, pillar and joist in the formation, described joist is positioned on the pillar, fire grate is positioned on the joist, fire grate is provided with checker brick, and its special feature is: described fire grate is a double-decker, and it is made up of lower floor's fire grate 3 and upper strata fire grate lid 4, distribution regular hexagon hole lattice 3-1 on lower floor's fire grate, one of bedding has the fire grate lid of eyelet on each hole lattice.
The above-mentioned fire grate leg unit that is used for hot-blast stove, described fire grate lid 4 and position checker brick 5 thereon have the eyelet that position and number mate mutually.
The above-mentioned fire grate leg unit that is used for hot-blast stove, described pillar 1 is a hollow cylindrical structure, described every fire grate has both sides at least by pillar or hot-blast stove wall support.
The above-mentioned fire grate leg unit that is used for hot-blast stove, described fire grate is 21, and described pillar is 18, and described fire grate lid is 19 holes with checker brick.
The utility model improves at the drawback of existing hot-blast stove fire grate and pillar, its characteristics are embodied in following aspect: 1. fire grate adopts double-deck flat grate structure, lower floor's fire grate and the mode that upper strata fire grate cover plate separates make both can free harmomegathus, fundamentally eliminate thermal stress.2. lower floor's fire grate adopts the regular hexagon structure, also can eliminate thermal stress, and wind is by guiding upper strata, the regular hexagon hole fire grate lid of lower floor's fire grate, upper strata fire grate and checker brick are the hole of mating mutually, thereby increased heating surface, also make the checker brick accurate positioning, be convenient to install, and ensured that fire grate and checker brick gas flow hole are unimpeded.3. adopt the circular cross-section pillar, can avoid face-flange time on star section top to grow and be easy to generate local deformation and stress distribution uneven phenomenon.Through above-mentioned improvement, the utility model can be accelerated the heat transfer rate of fire grate greatly, reduces energy resource consumption, increases the service life, and reduce production costs, and blast pressure is even, does not produce the hot-spot phenomenon.
Description of drawings:
Fig. 1 is the utility model structural representation:
Fig. 2 is the distribution schematic diagram of fire grate and pillar;
Fig. 3 is fire grate and fire grate lid schematic diagram.
Number in the figure is expressed as follows: 1. pillar; 2. joist, 3. fire grate; 3-1. regular hexagon hole lattice; 4. fire grate covers; 5. checker brick.
Specific implementation method:
Referring to Fig. 1, the utility model comprises fire grate, pillar 1 and joist 2 in constituting, and pillar is a hollow cylindrical structure, and joist is positioned on the pillar, and fire grate is positioned on the joist, and fire grate is a double-decker, and it is made up of lower floor's fire grate 3 and upper strata fire grate lid 4.Referring to Fig. 3, distribution regular hexagon hole lattice 3-1 on lower floor's fire grate, the regular hexagon structure of hole lattice can make it stressed evenly, effectively reduces thermal stress.One of bedding has the fire grate lid 4 of eyelet on each hole lattice, and fire grate lid and position checker brick 5 thereon have the eyelet that position and number mate mutually, are 19 holes in the present embodiment.The way that the utility model fire grate adopts double-decker and levels fire grate to separate makes both can free harmomegathus, fundamentally eliminates thermal stress, and checker brick are located easily, is convenient to install.Upper strata fire grate lid and checker brick all be 19 holes of mating mutually, when having increased heating surface, and have ensured that fire grate and checker brick gas flow hole are unimpeded.
Referring to Fig. 2, for making the whole stressed unanimity of fire grate, every fire grate has both sides at least by pillar or hot-blast stove wall support.Pillar 1 is a hollow cylindrical structure, and this structure face-flange time above the star section of having eliminated has been grown and has been easy to generate local deformation and stress distribution inequality, causes the impaired drawback of overall structure.Present embodiment, fire grate are 21, and pillar is 18.
Claims (4)
1. fire grate leg unit that is used for hot-blast stove, comprise fire grate, pillar and joist in the formation, described joist is positioned on the pillar, fire grate is positioned on the joist, fire grate is provided with checker brick, it is characterized in that: described fire grate is a double-decker, and it is made up of lower floor's fire grate (3) and upper strata fire grate lid (4), distribution regular hexagon hole lattice (3-1) on lower floor's fire grate, one of bedding has the fire grate lid of eyelet on each hole lattice.
2. the fire grate leg unit that is used for hot-blast stove according to claim 1 is characterized in that: described fire grate lid (4) and position checker brick (5) thereon have the eyelet that position and number mate mutually.
3. the fire grate leg unit that is used for hot-blast stove according to claim 2 is characterized in that: described pillar (1) is a hollow cylindrical structure, and described every fire grate has both sides at least by pillar or hot-blast stove wall support.
4. according to claim 1 or the 2 or 3 described fire grate leg units that are used for hot-blast stove, it is characterized in that: described fire grate is 21, and described pillar is 18, and described fire grate lid is 19 holes with checker brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201017749U CN201074821Y (en) | 2007-06-29 | 2007-06-29 | Furnace grill brace device for hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201017749U CN201074821Y (en) | 2007-06-29 | 2007-06-29 | Furnace grill brace device for hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074821Y true CN201074821Y (en) | 2008-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201017749U Expired - Fee Related CN201074821Y (en) | 2007-06-29 | 2007-06-29 | Furnace grill brace device for hot-blast stove |
Country Status (1)
| Country | Link |
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| CN (1) | CN201074821Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321776A (en) * | 2011-10-22 | 2012-01-18 | 河南省豫兴热风炉工程技术有限公司 | Hot-blast furnace combined grate suitable for stacking checker bricks with different structures |
| CN102449398A (en) * | 2009-04-08 | 2012-05-09 | 鲍姆加特博易勒系统有限公司 | Grate bar for an incinerator and method for producing such a grate bar |
| CN103290157A (en) * | 2013-05-15 | 2013-09-11 | 萨伯丁·安东 | Grating plate device of air heating furnace |
| CN112063787A (en) * | 2020-09-28 | 2020-12-11 | 中冶京诚工程技术有限公司 | Hot-blast furnace checker brick strutting arrangement |
| CN112251556A (en) * | 2020-09-30 | 2021-01-22 | 广东韶钢松山股份有限公司 | Method for recovering performance of grate support column equipment of blast furnace hot blast stove |
-
2007
- 2007-06-29 CN CNU2007201017749U patent/CN201074821Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102449398A (en) * | 2009-04-08 | 2012-05-09 | 鲍姆加特博易勒系统有限公司 | Grate bar for an incinerator and method for producing such a grate bar |
| CN102321776A (en) * | 2011-10-22 | 2012-01-18 | 河南省豫兴热风炉工程技术有限公司 | Hot-blast furnace combined grate suitable for stacking checker bricks with different structures |
| CN103290157A (en) * | 2013-05-15 | 2013-09-11 | 萨伯丁·安东 | Grating plate device of air heating furnace |
| CN103290157B (en) * | 2013-05-15 | 2016-02-10 | 萨伯丁·安东 | A kind of hot-air stove grate panel assembly |
| CN112063787A (en) * | 2020-09-28 | 2020-12-11 | 中冶京诚工程技术有限公司 | Hot-blast furnace checker brick strutting arrangement |
| CN112251556A (en) * | 2020-09-30 | 2021-01-22 | 广东韶钢松山股份有限公司 | Method for recovering performance of grate support column equipment of blast furnace hot blast stove |
| CN112251556B (en) * | 2020-09-30 | 2022-06-21 | 广东韶钢松山股份有限公司 | Method for recovering performance of grate support column equipment of blast furnace hot blast stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HEBEI JINXI IRON AND STEEL GROUP DAFANG HEAVY INDU Free format text: FORMER OWNER: TANGSHAN DAFANG CASTING CO., LTD. Effective date: 20111018 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111018 Address after: 064302 Hebei, Qianxi County, Tangshan City Province, three Tun Ying Town Patentee after: Hebei Jinxi Steel Group Dafang Industry Technology Co.,Ltd. Address before: 064302 three Tun Town, Qianxi County, Hebei Province Patentee before: Tangshan Dafang Foundry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20160629 |