CN204574771U - A kind of vertical sponge iron sintering equipment - Google Patents
A kind of vertical sponge iron sintering equipment Download PDFInfo
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- CN204574771U CN204574771U CN201520237883.8U CN201520237883U CN204574771U CN 204574771 U CN204574771 U CN 204574771U CN 201520237883 U CN201520237883 U CN 201520237883U CN 204574771 U CN204574771 U CN 204574771U
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Abstract
The utility model discloses a kind of vertical sponge iron sintering equipment, comprise feeding chamber, perpendicular tank body, the second combustion chamber, Heat Room, waste-heat recovery device and discharge device; The top of described perpendicular tank body is provided with feeding chamber and distribution device, perpendicular tank body bottom portion is provided with discharge device, top in perpendicular tank body is provided with prereduction section, the below of prereduction section is provided with exhaust outlet, the middle part of perpendicular tank body is provided with direct-reduction section, the bottom of perpendicular tank body is provided with cooling section, and the below of cooling section is provided with cooling coal gas exhaust outlet; Be provided with water tank, impeller, decelerator, screw rod and discharge flue in described waste-heat recovery device, outside discharge flue, be provided with water tank.The prereduction section that the utility model is arranged, can make the heating gas that passes into the not only furnace charge that declines of preheating, but also can carry out prereduction to furnace charge; Meanwhile, the waste-heat recovery device of setting, can further utilize waste heat.
Description
Technical field
The utility model relates to sponge iron and manufactures apparatus, specifically a kind of vertical sponge iron sintering equipment.
Background technology
Current, sponge iron has mostly adopted direct reduction iron making to produce, direct reduction iron making comprises gas base directly reducing iron-refining process and coal-based direct reduction iron-refining process two kinds of methods, and due to China's natural gas shortage of resources, the application of coal-based direct reduction iron-refining process is more extensive; The device that coal-based direct reduction iron-refining process adopts has tunnel cave, rotary kiln, rotary hearth furnace and shaft furnace etc.; Different smelting devices has respective advantage when processing specific raw material, but also there is shortcoming simultaneously.Adopt the good product quality that tunnel cave obtains, but tunnel cave production efficiency is low, and energy consumption is high; The efficiency of energy utilization of rotary kiln is high, but easy ring formation in kiln; The smelting speed of rotary hearth furnace is fast, but the poor product quality that rotary hearth furnace obtains; Coal-based direct reduction shaft furnace adopts the mode of external heat, and because external heat heat transfer rate is slow, heat transfer efficiency is low, so the reduction rate of ferriferous oxide is slow in stove, production efficiency is low; Meanwhile, the tail gas in the process of producing sponge iron after heat exchange still has a lot of heat to be wasted along with exhaust emissions, and waste heat can not more effectively utilize.
Utility model content
The purpose of this utility model is to provide a kind of easy to use, vertical sponge iron sintering equipment that can improve utilization rate of waste heat, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of vertical sponge iron sintering equipment, comprises feeding chamber, perpendicular tank body, the second combustion chamber, Heat Room, waste-heat recovery device and discharge device, the top of described perpendicular tank body is provided with feeding chamber and distribution device, perpendicular tank body bottom portion is provided with discharge device, top in perpendicular tank body is provided with prereduction section, the below of prereduction section is provided with exhaust outlet, the middle part of perpendicular tank body is provided with direct-reduction section, the bottom of perpendicular tank body is provided with cooling section, the below of cooling section is provided with cooling coal gas exhaust outlet, the both sides of the prereduction section of perpendicular tank body are provided with the first combustion chamber communicated with prereduction section, the both sides of the direct-reduction section of perpendicular tank body are provided with the second combustion chamber communicated with direct-reduction section, the wherein side of perpendicular tank body is provided with Heat Room, the below of described Heat Room is provided with flue, the below of the first combustion chamber and the second combustion chamber is provided with quirk, prereduction section, direct-reduction section, cooling section and exhaust outlet is provided with from top to bottom in perpendicular tank body, wherein, the refractory material of prereduction section and cooling section and version are flame retardant coating, heat-insulation layer and steel shell from inside to outside respectively, flame retardant coating is high aluminium brick layer, and heat-insulation layer adopts diatomite brick layer and fibre felt layer, the direct-reduction section of described perpendicular tank body is built by laying bricks or stones by high-termal conductivity silicon carbide brick, and the exhaust outlet below prereduction section and the cooling coal gas exhaust outlet below cooling section are built by laying bricks or stones by high-alumina brick and formed, and exhaust outlet and exhaust outlet distribute symmetrically and evenly, first combustion chamber and second combustion chamber of described perpendicular tank body both sides are built by laying bricks or stones by high-alumina brick, be provided with multiple staggered up and down and there is the heat conduction partition wall of passage in second combustion chamber, heat conduction partition wall is made up of the high-alumina brick of abnormal shape, heat conduction partition wall has been evenly arranged several air burners and thermocouple, gas passage and air duct is also provided with in described Heat Room, Heat Room is by customizing high alumina cylinder brick masonry, the right side of flue is provided with flue-gas treater, the top of flue-gas treater is provided with tube connector, the top of tube connector is provided with waste-heat recovery device, be provided with water tank, impeller, decelerator, screw rod and discharge flue in waste-heat recovery device, outside discharge flue, be provided with water tank, described discharge flue upper end open place is provided with impeller, is provided with decelerator above discharge flue, and the power shaft of the rotating shaft connection reducer of impeller, in addition, is provided with screw rod in water tank, the output shaft of screw rod connection reducer, and discharge flue inwall is provided with helix.
As further program of the utility model: described water tank is made up of insulation material.
As further program of the utility model: described first combustion chamber, the second combustion chamber and Heat Room are all arranged on the side of perpendicular tank body.
As further program of the utility model: described Heat Room is connected by quirk with between the first combustion chamber and the second combustion chamber.
Compared with prior art, the prereduction section that the utility model is arranged, can make the heating gas that passes into the not only furnace charge that declines of preheating, but also can carry out prereduction to furnace charge; The design of cooling section makes the sponge iron of cooled coal gas and the decline passed into carry out heat exchange, the coal gas of preheating reduces furnace charge further in uphill process, reduce heat exhaustion and the recovery time of direct-reduction section significantly, substantially increase reduction efficiency and the efficiency of energy utilization of furnace charge, thus improve production efficiency, reduce production cost; Meanwhile, the waste-heat recovery device of setting, can further utilize waste heat.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of vertical sponge iron sintering equipment.
Fig. 2 be in a kind of vertical sponge iron sintering equipment A-A to structural representation.
Fig. 3 be in a kind of vertical sponge iron sintering equipment B-B to structural representation.
In figure: 1-feeding chamber, 2-prereduction section, 3-exhaust outlet, 4-direct-reduction section, 5-cooling section, 6-exhaust outlet, 7-discharge device, 8-Heat Room, 9-flue, 10-flue-gas treater, 11-tube connector, 12-water tank, 13-helix, 14-screw rod, 15-decelerator, 16-impeller, 17-discharge flue, 18-high aluminium brick layer, 19-diatomite brick layer, 20-erects tank body, 21-fibre felt layer, 22-gas passage, 23-air duct, 24-air burner, 25-high-termal conductivity silicon carbide brick, 26-high-alumina brick, 27-first combustion chamber, 28-second combustion chamber, 29-heat conduction partition wall, 30-quirk.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1-3, a kind of vertical sponge iron sintering equipment, comprise feeding chamber 1, perpendicular tank body 20, second combustion chamber 28, Heat Room 8, waste-heat recovery device and discharge device 7, the top of described perpendicular tank body 20 is provided with feeding chamber 1 and distribution device, the discharge device 7 be made up of several material rollers is provided with bottom perpendicular tank body 20, top in perpendicular tank body 20 is provided with prereduction section 2, the below of prereduction section 2 is provided with exhaust outlet 3, the middle part of perpendicular tank body 20 is provided with direct-reduction section 4, the bottom of perpendicular tank body 20 is provided with cooling section 5, the below of cooling section 5 is provided with cooling coal gas exhaust outlet 6, the both sides of the prereduction section 2 of perpendicular tank body 20 are provided with the first combustion chamber 27 communicated with prereduction section 2, the both sides of the direct-reduction section 4 of perpendicular tank body 20 are provided with the second combustion chamber 28 communicated with direct-reduction section 4, the wherein side of perpendicular tank body 20 is provided with Heat Room 8, first combustion chamber 27, second combustion chamber 28 and Heat Room 8 are all arranged on the side of perpendicular tank body 20, the below of described Heat Room 8 is provided with flue 9, the below of the first combustion chamber 27 and the second combustion chamber 28 is provided with quirk 30, Heat Room 8 is connected by quirk 30 with between the first combustion chamber 27 and the second combustion chamber 28, be provided with prereduction section 2, direct-reduction section 4, cooling section 5 and exhaust outlet from top to bottom in perpendicular tank body 20, the refractory material that prereduction section 2, direct-reduction section 4 and cooling section 5 use and version different, wherein, the refractory material of described prereduction section 2 and cooling section 5 and version are flame retardant coating, heat-insulation layer and steel shell from inside to outside respectively, flame retardant coating is high aluminium brick layer 18, heat-insulation layer adopts diatomite brick layer 19 and fibre felt layer 21, and high aluminium brick layer 18, diatomite brick layer 19 and fibre felt layer 21 respectively layering build prereduction section 2 in perpendicular tank body 20 by laying bricks or stones with cooling section 5, the steel shell of described perpendicular tank body 20 can adopt ordinary carbon steel weld or adopt other metal shell, direct-reduction section 4 is built by laying bricks or stones by high-termal conductivity silicon carbide brick 25, exhaust outlet 3 below prereduction section 2 is built by laying bricks or stones by high-alumina brick 26 with the cooling coal gas exhaust outlet 6 below cooling section 5 and is formed, and exhaust outlet 3 and exhaust outlet 6 distribute symmetrically and evenly, first combustion chamber 27 of described perpendicular tank body 20 both sides and the second combustion chamber 28 are built by laying bricks or stones by high-alumina brick 26, be provided with multiple staggered up and down and there is the heat conduction partition wall 29 of passage in second combustion chamber 28, heat conduction partition wall 29 is made up of the high-alumina brick 26 of abnormal shape, heat conduction partition wall 29 has been evenly arranged several air burner 24 and thermocouples, described Heat Room 8 is auxiliary bodies of the second combustion chamber 28, Heat Room 8 mainly utilizes the waste heat of burnt gas to come preheated air and coal gas, gas passage 22 and air duct 23 is also provided with in Heat Room 8, Heat Room 8 is by customization high alumina cylinder brick masonry, coal gas and air pass through respectively in the gas passage 22 of high alumina cylinder brick masonry and air duct 23, the right side of flue 9 is provided with flue-gas treater 10, and the waste gas after heat exchange enters flue-gas treater 10 from the flue 9 of high alumina cylinder brick masonry, the top of described flue-gas treater 10 is provided with tube connector 11, the top of tube connector 11 is provided with waste-heat recovery device, water tank 12, impeller 16, decelerator 15, screw rod 14 and discharge flue 17 is provided with in waste-heat recovery device, water tank 12 is provided with outside discharge flue 17, water tank 12 can absorb heat from flue gas, flue gas after heat exchange is by the water heating in water tank 12, and hot water can be lived for people, described water tank 12 is made up of insulation material, and discharge flue 17 upper end open place is provided with impeller 16, is provided with decelerator 15 above discharge flue 17, the power shaft of the rotating shaft connection reducer 15 of impeller 16, in addition, screw rod 14 in water tank 12, is provided with, the output shaft of screw rod 14 connection reducer 15, in production, the air-flow risen blows impeller 16 and impeller 16 rotates, by decelerator 15 by the Movement transmit of impeller 16 to screw rod 14, screw rod 14 is driven to rotate, screw rod 14 rotates water in rear drive water tank 12 at water tank 12 internal circulation flow, thus water is sufficiently heated, decelerator 15 can increase the moment of output, in addition, described discharge flue 17 inwall is provided with helix 13, helix 13 can make the hot-air in discharge flue 17 rotate rising, air can be made to overturn in discharge flue 17 simultaneously, thus water tank 12 can be transferred heat to more fully, air can increase the flow velocity of air while rotating and rising, thus impeller 16 can be made to obtain larger rotating speed.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (4)
1. a vertical sponge iron sintering equipment, comprises feeding chamber (1), perpendicular tank body (20), the second combustion chamber (28), Heat Room (8), waste-heat recovery device and discharge device (7), it is characterized in that, the top of described perpendicular tank body (20) is provided with feeding chamber (1) and distribution device, perpendicular tank body (20) bottom is provided with discharge device (7), top in perpendicular tank body (20) is provided with prereduction section (2), the below of prereduction section (2) is provided with exhaust outlet (3), the middle part of perpendicular tank body (20) is provided with direct-reduction section (4), the bottom of perpendicular tank body (20) is provided with cooling section (5), the below of cooling section (5) is provided with cooling coal gas exhaust outlet (6), the both sides of the prereduction section (2) of perpendicular tank body (20) are provided with the first combustion chamber (27) communicated with prereduction section (2), the both sides of the direct-reduction section (4) of perpendicular tank body (20) are provided with the second combustion chamber (28) communicated with direct-reduction section (4), the wherein side of perpendicular tank body (20) is provided with Heat Room (8), the below of described Heat Room (8) is provided with flue (9), the below of the first combustion chamber (27) and the second combustion chamber (28) is provided with quirk (30), prereduction section (2), direct-reduction section (4), cooling section (5) and exhaust outlet is provided with from top to bottom in perpendicular tank body (20), wherein, the refractory material of prereduction section (2) and cooling section (5) and version are flame retardant coating, heat-insulation layer and steel shell from inside to outside respectively, flame retardant coating is high aluminium brick layer (18), and heat-insulation layer adopts diatomite brick layer (19) and fibre felt layer (21), the direct-reduction section (4) of described perpendicular tank body (20) is built by laying bricks or stones by high-termal conductivity silicon carbide brick (25), the exhaust outlet (3) of prereduction section (2) below is built by laying bricks or stones by high-alumina brick (26) with the cooling coal gas exhaust outlet (6) of cooling section (5) below and is formed, and exhaust outlet (3) and exhaust outlet (6) distribute symmetrically and evenly, first combustion chamber (27) and the second combustion chamber (28) of described perpendicular tank body (20) both sides are built by laying bricks or stones by high-alumina brick (26), be provided with multiple staggered up and down and there is the heat conduction partition wall (29) of passage in second combustion chamber (28), heat conduction partition wall (29) is made up of the high-alumina brick (26) of abnormal shape, heat conduction partition wall (29) has been evenly arranged several air burners (24) and thermocouple, gas passage (22) and air duct (23) is also provided with in described Heat Room (8), Heat Room (8) is by customization high alumina cylinder brick masonry, the right side of flue (9) is provided with flue-gas treater (10), the top of flue-gas treater (10) is provided with tube connector (11), the top of tube connector (11) is provided with waste-heat recovery device, be provided with water tank (12), impeller (16), decelerator (15), screw rod (14) and discharge flue (17) in waste-heat recovery device, discharge flue (17) outside is provided with water tank (12), described discharge flue (17) upper end open place is provided with impeller (16), discharge flue (17) top is provided with decelerator (15), the power shaft of the rotating shaft connection reducer (15) of impeller (16), in addition, screw rod (14) is provided with in water tank (12), the output shaft of screw rod (14) connection reducer (15), discharge flue (17) inwall is provided with helix (13).
2. the vertical sponge iron sintering equipment of one according to claim 1, is characterized in that, described water tank (12) is made up of insulation material.
3. the vertical sponge iron sintering equipment of one according to claim 1, is characterized in that, described first combustion chamber (27), the second combustion chamber (28) and Heat Room (8) are all arranged on the side of perpendicular tank body (20).
4. the vertical sponge iron sintering equipment of one according to claim 1, is characterized in that, described Heat Room (8) is connected by quirk (30) with between the first combustion chamber (27) and the second combustion chamber (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237883.8U CN204574771U (en) | 2015-04-20 | 2015-04-20 | A kind of vertical sponge iron sintering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520237883.8U CN204574771U (en) | 2015-04-20 | 2015-04-20 | A kind of vertical sponge iron sintering equipment |
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| Publication Number | Publication Date |
|---|---|
| CN204574771U true CN204574771U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520237883.8U Expired - Fee Related CN204574771U (en) | 2015-04-20 | 2015-04-20 | A kind of vertical sponge iron sintering equipment |
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| Country | Link |
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| CN (1) | CN204574771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367608A (en) * | 2016-11-22 | 2017-02-01 | 江苏省冶金设计院有限公司 | System and method for treating copper slag through ore grinding and magnetic separation |
| CN117647104A (en) * | 2024-01-29 | 2024-03-05 | 达州市方正源环保建材有限公司 | Hierarchical distributed sintering kiln for high-strength light insulating bricks |
-
2015
- 2015-04-20 CN CN201520237883.8U patent/CN204574771U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367608A (en) * | 2016-11-22 | 2017-02-01 | 江苏省冶金设计院有限公司 | System and method for treating copper slag through ore grinding and magnetic separation |
| CN106367608B (en) * | 2016-11-22 | 2018-02-09 | 江苏省冶金设计院有限公司 | A kind of system and method for mill ore magnetic selection processing copper ashes |
| CN117647104A (en) * | 2024-01-29 | 2024-03-05 | 达州市方正源环保建材有限公司 | Hierarchical distributed sintering kiln for high-strength light insulating bricks |
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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: 20150819 Termination date: 20170420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |