CN204237808U - A kind of heating device for blast furnace - Google Patents
A kind of heating device for blast furnace Download PDFInfo
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- CN204237808U CN204237808U CN201420670906.XU CN201420670906U CN204237808U CN 204237808 U CN204237808 U CN 204237808U CN 201420670906 U CN201420670906 U CN 201420670906U CN 204237808 U CN204237808 U CN 204237808U
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- water tank
- water
- heat
- cooling wall
- water supply
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Abstract
The utility model embodiment discloses a kind of heating device for blast furnace, this device comprise choose from least two-layer cooling stave of blast furnace one-step cooling wall, heat water tank mechanism, heat water supply mechanism and heat backwater mechanism, wherein: heat water tank mechanism respectively with heat water supply mechanism and heat backwater mechanism and be connected, for providing the water of design temperature to heating water supply mechanism, and receive from the water heating backwater mechanism; Heat water supply mechanism respectively with heat one deck cooling stave nearest bottom water tank mechanism and one-step cooling wall middle distance blast furnace and be connected, for the water extraction supply one-step cooling wall that will heat water tank mechanism and provide; Heat backwater mechanism respectively with heat water tank mechanism and the nearest one deck cooling stave of one-step cooling wall middle distance Top of BF is connected, for the water extraction flowed out in one deck cooling stave nearest for one-step cooling wall middle distance Top of BF supply is heated water tank mechanism.The program can ensure that the temperature of high furnace interior reaches design temperature, and then ensures the quality of blast furnace overhaul.
Description
Technical field
The utility model relates to metallurgical technology field, particularly relates to a kind of heating device for blast furnace.
Background technology
Because blast furnace technology has, economic target is good, technique is simple, turnout is large, labor productivity is high, low power consumption and other advantages, therefore blast furnace technology obtains in the world and widely applies.
Usually, blast furnace adopts steel plate to make furnace shell, and building in furnace shell has refractory materials.In order to ensure the safety of blast furnace and normal use, need, regularly by blast furnace stopping, to build by laying bricks or stones the refractory materials of high furnace interior, Here it is usually said blast furnace overhaul.
Refractory materials requires very strict to envrionment temperature, envrionment temperature needs the performance just guaranteeing refractory materials in certain scope, and then ensures the quality of blast furnace overhaul.Usually can meet the requirement of refractory materials to envrionment temperature in summer, and in temperature lower winter, then cannot meet, and then the quality of blast furnace overhaul can not be ensured, there is certain potential safety hazard.Therefore, the temperature requirement that a kind of device can ensure also can meet in the winter time refractory materials is needed at present badly.
Utility model content
The utility model embodiment provides a kind of heating device for blast furnace, in order to ensure the temperature requirement that can meet refractory materials in the winter time.
According to the utility model embodiment, a kind of heating device for blast furnace is provided, described blast furnace comprises at least two-layer cooling stave, described heating device comprise choose from described at least two-layer cooling stave one-step cooling wall, heat water tank mechanism, heat water supply mechanism and heat backwater mechanism, wherein:
The described water tank mechanism that heats heats water supply mechanism with described and the described backwater mechanism that heats is connected respectively, for heating to described the water that water supply mechanism provides design temperature, and receives from the described water heating backwater mechanism;
The described water supply mechanism that heats heats one deck cooling stave nearest bottom blast furnace described in water tank mechanism and described one-step cooling wall middle distance be connected with described respectively, for the described water extraction heating water tank mechanism and provide is supplied described one-step cooling wall;
The described backwater mechanism that heats heats one deck cooling stave that described in water tank mechanism and described one-step cooling wall middle distance, Top of BF is nearest be connected with described respectively, described in the water extraction flowed out in one deck cooling stave nearest for Top of BF described in described one-step cooling wall middle distance being supplied, heat water tank mechanism.
Concrete, described in heat water tank mechanism and comprise water tank, steam-pipe and steam-pipe valve, wherein:
Described steam-pipe passes into described water tank from described water tank outside inner, and described steam-pipe is provided with steam-pipe valve, enters described water tank inside for controlling steam by described steam-pipe.
Concrete, described water tank is provided with top cover, and described steam-pipe passes into described water tank inside from described water tank is outside by the water-in described top cover.
Concrete, described in heat water supply mechanism and comprise power unit, water main, water supply endless tube and at least one the first connector element, wherein:
Described water main connects described water supply endless tube and describedly heats water tank mechanism;
Described power unit is arranged on described water main, for the described water heated in water tank mechanism is supplied to described one-step cooling wall by described water main and described water supply endless tube;
Described water supply endless tube is connected with one deck cooling stave nearest bottom blast furnace described in described one-step cooling wall middle distance by least one first connector element described.
Concrete, described first connector element comprises water supply arm, connecting joint and metallic hose, wherein:
Described water supply arm welds with described water supply endless tube and described connecting joint respectively;
The water-in of one deck cooling stave bottom described blast furnace is positioned in connecting joint described in described connection by metal hose and described one-step cooling wall.
Concrete, described water supply endless tube is arranged around one deck cooling stave nearest bottom blast furnace described in described one-step cooling wall middle distance.
Concrete, described in heat backwater mechanism and comprise backwater endless tube, return main and at least one the second connector element, wherein:
Described backwater endless tube is connected by one deck cooling stave that at least one second connector element described is nearest with Top of BF described in described one-step cooling wall middle distance;
Described return main connects described backwater endless tube and describedly heats water tank mechanism.
Concrete, described second connector element comprises return branch, connecting joint and metallic hose, wherein:
Described return branch is welded with described backwater endless tube and described connecting joint respectively;
The water outlet of one deck cooling stave of described Top of BF is positioned in connecting joint described in described connection by metal hose and described one-step cooling wall.
Concrete, described backwater endless tube is arranged around one deck cooling stave that Top of BF described in described one-step cooling wall middle distance is nearest.
The utility model beneficial effect is as follows:
The heating device for blast furnace that the utility model embodiment provides, comprise the one-step cooling wall chosen from least two-layer cooling stave of blast furnace, heat water tank mechanism, heat water supply mechanism and heat backwater mechanism, heat water tank mechanism respectively with heat water supply mechanism and heat backwater mechanism and be connected, heat water supply mechanism respectively with heat one deck cooling stave nearest bottom water tank mechanism and one-step cooling wall middle distance blast furnace and be connected, heat backwater mechanism respectively with heat water tank mechanism and the nearest one deck cooling stave of one-step cooling wall middle distance Top of BF is connected, one-step cooling wall, heat water tank mechanism, heat water supply mechanism and heat backwater mechanism formed one closed circuit, after steam enters water tank, water in water tank is heated, water after heating is successively by heating water supply mechanism, one-step cooling wall and get back to after heating backwater mechanism and heat in water tank mechanism, continue to perform above-mentioned working cycle, thus ensure that the temperature of high furnace interior reaches design temperature, even if also can ensure in the winter time to meet the requirement of refractory materials to temperature, and then ensure the quality of blast furnace overhaul.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the cooling stave of a kind of blast furnace in the utility model embodiment;
Fig. 2 is the structural representation of a kind of heating device for blast furnace in the utility model embodiment;
Fig. 3 is the structural representation of the first connector element in the utility model embodiment;
Fig. 4 is the structural representation of the second connector element in the utility model embodiment.
Embodiment
Technical scheme in the utility model is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
In order to ensure the temperature requirement that can meet refractory materials in the winter time, the utility model embodiment provides a kind of heating device for blast furnace, and the structure of this device as shown in Figure 2.
First the cooling stave of blast furnace is introduced, usual blast furnace comprises at least two-layer cooling stave, as shown in Figure 1, illustrate successively from top to bottom be the first layer cooling stave 11, second layer cooling stave 12 ..., n-th layer cooling stave 1N, these cooling staves are used for when blast furnace ironmaking lowering the temperature to blast furnace, can choose one-step cooling wall from this N layer cooling stave is in the present embodiment used in the heating device of blast furnace, heats blast furnace for during blast furnace overhaul in the winter time.
Heating device shown in Fig. 2 comprise choose from least two-layer cooling stave of blast furnace one-step cooling wall 21, heat water tank mechanism 22, heat water supply mechanism 23 and heat backwater mechanism 24, one-step cooling wall 21 can comprise the first layer cooling stave 11 to the third layer cooling stave 13 of blast furnace, also second layer cooling stave 12 to the layer 6 cooling stave 16 of blast furnace can be comprised, can choose according to actual needs, the one-step cooling wall 21 shown in Fig. 2 comprises the first layer cooling stave 11 to the layer 5 cooling stave 15 of blast furnace.
Heating water tank mechanism 22 to be connected with heating water supply mechanism 23 and heat backwater mechanism 24 respectively, for providing the water of design temperature to heating water supply mechanism 23, and receiving from the water heating backwater mechanism 24.
Heat water supply mechanism 23 respectively with heat one deck cooling stave 11 nearest bottom water tank mechanism 22 and one-step cooling wall 21 middle distance blast furnace and be connected, for the water extraction supply one-step cooling wall 21 that will heat water tank mechanism 22 and provide.
Heat backwater mechanism 24 respectively with heat water tank mechanism 22 and the nearest one deck cooling stave 15 of one-step cooling wall 21 middle distance Top of BF is connected, for the water extraction flowed out in one deck cooling stave 15 nearest for one-step cooling wall 21 middle distance Top of BF supply is heated water tank mechanism 22.
In the program, the one-step cooling wall selected from least two-layer cooling stave blast furnace, heat water tank mechanism, heat water supply mechanism and heat backwater mechanism formed one closed circuit, after steam enters water tank, water in water tank is heated, water after heating is successively by heating water supply mechanism, one-step cooling wall and get back to after heating backwater mechanism and heat in water tank mechanism, continue to perform above-mentioned working cycle, thus ensure that the temperature of high furnace interior reaches design temperature, even if also can ensure in the winter time to meet the requirement of refractory materials to temperature, and then ensure the quality of blast furnace overhaul.
Concrete, as shown in Figure 2, heat water tank mechanism 22 and comprise water tank 221, steam-pipe 222 and steam-pipe valve 223, wherein: steam-pipe 222 passes into water tank 221 from water tank 221 outside inner, steam-pipe 222 is provided with steam-pipe valve 223, enters water tank 221 inside for controlling steam by steam-pipe 222.
A kind of preferred mode, in order to prevent the water temperature drop in water tank too fast, can be provided with top cover on water tank 221, and it is inner that steam-pipe 222 passes into water tank 221 from water tank 221 outside by the water-in top cover.
The material of water tank can adopt steel plate etc., and water tank capacity can set according to actual needs, such as, be set as 80m
3, 100m
3etc..Whether steam-pipe can adopt seamless tube etc., passed through, can certainly control by other means, illustrate no longer one by one here by steam-pipe Valve controlling steam.
Steam-pipe is passed into water tank inside, is entered in water tank by steam-pipe Valve controlling steam, thus reaches the object of the water temperature controlled in water tank.
Concrete, as shown in Figure 2, heat water supply mechanism 23 and comprise power unit 231, water main 232, water supply endless tube 233 and at least one the first connector element 234, wherein:
Water main 232 connects water supply endless tube 233 and heats water tank mechanism 22;
Power unit 231 is arranged on water main 232, for the water heated in water tank mechanism 22 is supplied to one-step cooling wall 21 by water supply endless tube 233;
Water supply endless tube 233 is connected with one deck cooling stave 11 nearest bottom one-step cooling wall 21 middle distance blast furnace by least one first connector element 234.
Water main and water supply endless tube can adopt seamless tube etc., and power unit can be water circulating pump etc.
A kind of preferred mode, water supply endless tube 233 is arranged around nearest one deck cooling stave 11 bottom one-step cooling wall 21 middle distance blast furnace, can guarantee like this water heated in water tank mechanism is evenly flowed in one-step cooling wall, thus ensure the homogeneous temperature in blast furnace, there is no temperature head.
In order to ensure the homogeneous temperature in blast furnace, there is no temperature head, the first connector element 234 as shown in Figure 3 evenly can be set on water supply endless tube 233, water supply endless tube 233 and one-step cooling wall 21 is connected by the first connector element 234, first connector element 234 comprises water supply arm 2341, connecting joint 2342 and metallic hose 2343, wherein:
Water supply arm 2341 welds with water supply endless tube 233 and connecting joint 2342 respectively;
Metallic hose 2343 connects the water-in of one deck cooling stave 11 being positioned at blast furnace bottom portion in connecting joint 2342 and one-step cooling wall 21.
The water heated in water tank mechanism 22 is supplied to one deck cooling stave 11 nearest bottom 21 middle distance blast furnaces in one-step cooling wall by water main 232, water supply endless tube 233, water supply arm 2341, connecting joint 2342 and metallic hose 2343 by power unit 231, namely can realize water supply endless tube 233 by the first connector element 234 to be communicated with one-step cooling wall 21, thus guarantee heats the water extraction supply one-step cooling wall 21 that water supply mechanism 23 will heat in water tank mechanism 22.
Concrete, as shown in Figure 2, heat backwater mechanism 24 and comprise backwater endless tube 241, return main 242 and at least one the second connector element 243, wherein:
Backwater endless tube 241 is connected by one deck cooling stave 15 that at least one second connector element 243 is nearest with one-step cooling wall 21 middle distance Top of BF;
Return main 242 connects backwater endless tube 241 and heats water tank mechanism 22.
Return main and backwater endless tube can adopt seamless tube etc.A kind of preferred mode, backwater endless tube 241 is arranged around one deck cooling stave 15 that one-step cooling wall 21 middle distance Top of BF is nearest, can guarantee that the water in one-step cooling wall is flowed rapidly into like this and heat in backwater mechanism, thus guarantee to heat speed.
In order to ensure heating speed, the second connector element 243 as shown in Figure 4 evenly can be set on backwater endless tube 241, backwater endless tube 241 and one-step cooling wall 21 is connected by the second connector element 243, second connector element 243 comprises return branch 2431, connecting joint 2432 and metallic hose 2433, wherein:
Return branch 2431 is welded with backwater endless tube 241 and connecting joint 2432 respectively;
Metallic hose 2433 connects the water outlet of one deck cooling stave 15 being positioned at Top of BF in connecting joint 2432 and one-step cooling wall 21.
After water in one-step cooling wall 21 is flowed out by the water outlet being positioned at one deck cooling stave 15 of Top of BF in one-step cooling wall 21, successively by getting back in water tank 221 after metallic hose 2433, connecting joint 2432, return branch 2431, backwater endless tube 241 and return main 242, namely can realize backwater endless tube 241 by the second connector element 243 to be communicated with one-step cooling wall 21, thus ensure that the current heated in backwater mechanism 24 return and heat in water tank mechanism 22.
Be described above the structure of the heating device for blast furnace, introduce this principle of work for the heating device of blast furnace below in detail.
The one-step cooling wall 21 chosen from least two-layer cooling stave of blast furnace, heat water tank mechanism 22, heat water supply mechanism 23 and heat backwater mechanism 24 and form a closed cycle, after steam-pipe valve 223 is opened, steam is by steam-pipe 222, to the water heating in water tank 221, water after heating is supplied to water supply endless tube 233 by water main 232 by power unit 231, again by the water supply arm 2341 on the first connector element 234, connecting joint 2342 and metallic hose 2343 enter into one-step cooling wall 21, the water entered in one-step cooling wall 21 can heat cooling stave, improve in-furnace temperature, meet the requirement of refractory materials to temperature, guarantee the quality of blast furnace overhaul, water in one-step cooling wall 21 enters in backwater endless tube 241 by metallic hose 2433, connecting joint 2432 and return branch 2431, water tank 221 is entered into again by return main 242, complete a water cycle, this circulation of multiple exercise is also constantly heated water, thus ensure that the temperature of high furnace interior is constant temperature, effectively can to reach in blast furnace refractory materials to the requirement of temperature.
Obviously, those skilled in the art can carry out various change and modification to the utility model embodiment and not depart from the spirit and scope of the utility model embodiment.Like this, if these amendments of the utility model embodiment and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (9)
1. the heating device for blast furnace, described blast furnace comprises at least two-layer cooling stave, it is characterized in that, described heating device comprise choose from described at least two-layer cooling stave one-step cooling wall, heat water tank mechanism, heat water supply mechanism and heat backwater mechanism, wherein:
The described water tank mechanism that heats heats water supply mechanism with described and the described backwater mechanism that heats is connected respectively, for heating to described the water that water supply mechanism provides design temperature, and receives from the described water heating backwater mechanism;
The described water supply mechanism that heats heats one deck cooling stave nearest bottom blast furnace described in water tank mechanism and described one-step cooling wall middle distance be connected with described respectively, for the described water extraction heating water tank mechanism and provide is supplied described one-step cooling wall;
The described backwater mechanism that heats heats one deck cooling stave that described in water tank mechanism and described one-step cooling wall middle distance, Top of BF is nearest be connected with described respectively, described in the water extraction flowed out in one deck cooling stave nearest for Top of BF described in described one-step cooling wall middle distance being supplied, heat water tank mechanism.
2. device as claimed in claim 1, is characterized in that, described in heat water tank mechanism and comprise water tank, steam-pipe and steam-pipe valve, wherein:
Described steam-pipe passes into described water tank from described water tank outside inner, and described steam-pipe is provided with steam-pipe valve, enters described water tank inside for controlling steam by described steam-pipe.
3. device as claimed in claim 2, it is characterized in that, described water tank is provided with top cover, and described steam-pipe passes into described water tank inside from described water tank is outside by the water-in described top cover.
4. device as claimed in claim 1, is characterized in that, described in heat water supply mechanism and comprise power unit, water main, water supply endless tube and at least one the first connector element, wherein:
Described water main connects described water supply endless tube and describedly heats water tank mechanism;
Described power unit is arranged on described water main, for the described water heated in water tank mechanism is supplied to described one-step cooling wall by described water main and described water supply endless tube;
Described water supply endless tube is connected with one deck cooling stave nearest bottom blast furnace described in described one-step cooling wall middle distance by least one first connector element described.
5. device as claimed in claim 4, it is characterized in that, described first connector element comprises water supply arm, connecting joint and metallic hose, wherein:
Described water supply arm welds with described water supply endless tube and described connecting joint respectively;
The water-in of one deck cooling stave bottom described blast furnace is positioned in connecting joint described in described connection by metal hose and described one-step cooling wall.
6. device as claimed in claim 4, it is characterized in that, described water supply endless tube is arranged around one deck cooling stave nearest bottom blast furnace described in described one-step cooling wall middle distance.
7. device as claimed in claim 1, is characterized in that, described in heat backwater mechanism and comprise backwater endless tube, return main and at least one the second connector element, wherein:
Described backwater endless tube is connected by one deck cooling stave that at least one second connector element described is nearest with Top of BF described in described one-step cooling wall middle distance;
Described return main connects described backwater endless tube and describedly heats water tank mechanism.
8. device as claimed in claim 7, it is characterized in that, described second connector element comprises return branch, connecting joint and metallic hose, wherein:
Described return branch is welded with described backwater endless tube and described connecting joint respectively;
The water outlet of one deck cooling stave of described Top of BF is positioned in connecting joint described in described connection by metal hose and described one-step cooling wall.
9. device as claimed in claim 7, is characterized in that, described backwater endless tube is arranged around one deck cooling stave that Top of BF described in described one-step cooling wall middle distance is nearest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670906.XU CN204237808U (en) | 2014-11-11 | 2014-11-11 | A kind of heating device for blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670906.XU CN204237808U (en) | 2014-11-11 | 2014-11-11 | A kind of heating device for blast furnace |
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| Publication Number | Publication Date |
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| CN204237808U true CN204237808U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420670906.XU Expired - Fee Related CN204237808U (en) | 2014-11-11 | 2014-11-11 | A kind of heating device for blast furnace |
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| CN (1) | CN204237808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313218A (en) * | 2014-11-11 | 2015-01-28 | 山东钢铁股份有限公司 | Warming device for blast furnace |
-
2014
- 2014-11-11 CN CN201420670906.XU patent/CN204237808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313218A (en) * | 2014-11-11 | 2015-01-28 | 山东钢铁股份有限公司 | Warming device for blast furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150401 Termination date: 20171111 |