CN216473293U - Atomized water cooling device used in closed blast furnace front iron notch - Google Patents
Atomized water cooling device used in closed blast furnace front iron notch Download PDFInfo
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- CN216473293U CN216473293U CN202122209877.XU CN202122209877U CN216473293U CN 216473293 U CN216473293 U CN 216473293U CN 202122209877 U CN202122209877 U CN 202122209877U CN 216473293 U CN216473293 U CN 216473293U
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- atomized water
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- water
- blast furnace
- cooling device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 166
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000001816 cooling Methods 0.000 title claims abstract description 44
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 37
- 239000007921 spray Substances 0.000 claims abstract description 23
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000000889 atomisation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses an atomized water cooling device used in a furnace front iron notch sealing, which comprises an atomized gas tank and an atomized water spraying head, wherein the atomized gas tank and the atomized water spraying head are connected through a metal hose, and the atomized water spraying head is provided with atomized water holes. Atomized water shower head adopts DN40 galvanized pipe to make, and atomized water shower head is long for 3000mm, and the aperture in atomized water hole is 4mm, and the hole pitch in atomized water hole is 150mm and the atomized water hole sets up for evenly distributed for atomized water hole spun atomized water evenly distributed and all standing spray seal the inner chamber at the iron notch, thereby ensure atomized water cooling device's cooling effect. The atomized water cooling device can diffuse the heat of the closed inner cavity of the stokehole in a short time, ensure that stokehole workers are not damaged by high-temperature environment, ensure the safety production of the blast furnace, and simultaneously has the characteristics of simple structure, convenience in maintenance, low use cost and the like.
Description
Technical Field
The utility model relates to the technical field of blast furnaces, in particular to an atomized water cooling device used in a closed iron notch in front of a blast furnace.
Background
The blast furnace uses steel plate as furnace shell, and refractory brick lining is built in the shell. The blast furnace body is divided into a furnace throat, a furnace body, a furnace waist, a furnace belly and a furnace hearth 5 from top to bottom. Because of the advantages of good economic index, simple process, large production capacity, high labor production efficiency, low energy consumption and the like of the blast furnace ironmaking technology, the iron produced by the method accounts for the vast majority of the total iron production in the world. In the production of a blast furnace, iron ore, coke, and a flux (limestone) for slag formation are charged from the top of the furnace, and preheated air is blown through tuyeres located along the periphery of the furnace at the lower part of the furnace. Carbon in coke (some blast furnaces also blow auxiliary fuel such as coal dust, heavy oil, natural gas and the like) at high temperature is combusted with oxygen blown into air to generate carbon monoxide and hydrogen, and oxygen in iron ore is removed in the ascending process in the furnaces, so that iron is obtained by reduction. The smelted molten iron is discharged from the iron notch. Unreduced impurities in the iron ore are combined with fluxes such as limestone to generate slag, and the slag is discharged from a slag hole. The generated gas is discharged from the top of the furnace, and is used as fuel for hot blast stoves, heating furnaces, coke ovens, boilers and the like after dust removal. The main products of blast furnace smelting are pig iron, and blast furnace slag and blast furnace gas are also by-products.
When the iron notch needs to be cooled in front of the existing blast furnace, compressed air and a fan are generally used for blowing and cooling, the cooling effect is poor, the furnace front worker is easily harmed by a high-temperature environment, the use cost is high, and the occupied area is large.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the atomized water cooling and cooling device for the closed inner cavity of the front iron notch of the blast furnace, which can diffuse the heat of the closed inner cavity of the front iron notch in a short time, has good cooling effect, ensures that the front furnace is not damaged by high-temperature environment and ensures the safe production of the blast furnace.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the atomized water cooling and cooling device comprises a compressor unit, a steam-water mixing pipe, an atomized gas tank, a metal hose and an atomized water spraying head, wherein the atomized water spraying head, the metal hose, the steam-water mixing pipe, the atomized gas tank and the compressor unit are sequentially connected, the compressor unit is used for producing compressed air, and the atomized water spraying head is arranged in a closed inner cavity of a taphole; the atomizing gas tank comprises a tank body, a water inlet and an air inlet are formed in the top of the tank body, a water outlet is formed in the side wall of the tank body, the water outlet is connected with a water outlet pipe, the other end of the water outlet pipe is connected with a steam-water mixing pipe, and the water outlet pipe is provided with a water outlet pipe ball valve.
As a further improvement of the utility model: the compressor unit is connected with a first pressure pipeline and a second pressure pipeline, the first pressure pipeline is connected with an air inlet, the second pressure pipeline is connected with a steam-water mixing pipe, and the steam-water mixing pipe is provided with a gasified water ball valve.
As a further improvement of the utility model: the first pressure pipeline is provided with a first compressed air flow valve, and the second pressure pipeline is provided with a second compressed air flow valve. The first compressed air flow valve and the second compressed air flow valve are used for controlling the flow of compressed air.
As a further improvement of the utility model: the atomized water spraying head is provided with atomized water holes which are uniformly distributed, so that the cooling effect of the atomized water cooling device is improved.
As a further improvement of the utility model: the atomized water spray head is made of a DN40 galvanized pipe.
As a further improvement of the utility model: the length of the atomized water spray head is 3000 mm; the aperture of the atomized water hole is 4mm, and the pitch of the atomized water hole is 150 mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the atomized water cooling and cooling device, the atomized water sprayed by the atomized water spraying heads cools and cools the closed inner cavity of the iron notch in front of the furnace, so that the heat of the closed inner cavity of the iron notch in front of the furnace can be diffused in a short time, the temperature of the high-temperature environment of the closed inner cavity of the iron notch is greatly reduced, the stokehole workers can normally operate before the inner cavity is closed, the stokehole workers cannot be influenced by the high-temperature environment, and the safe production of the blast furnace is ensured.
2. According to the utility model, the atomized water spray head is made of DN40 galvanized pipe, the length of the atomized water spray head is 3000mm, the aperture of the atomized water holes is 4mm, the hole distance of the atomized water holes is 150mm, and the atomized water holes are uniformly distributed, so that the atomized water sprayed from the atomized water holes is uniformly distributed and fully sprayed in the closed inner cavity of the taphole, thereby ensuring the cooling effect of the atomized water cooling device.
3. The atomized water cooling device has the advantages of simple structure, convenience in maintenance, low use cost and the like.
Drawings
Fig. 1 is a schematic structural diagram 1 of the present invention.
Fig. 2 is a schematic structural diagram 2 of the present invention.
Detailed Description
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The utility model will now be further described with reference to the accompanying description and examples:
referring to fig. 1-2, an atomized water cooling device for use in the closed front iron notch of a blast furnace comprises a compressor unit 1, a steam-water mixing pipe 2, an atomized gas tank 3, a metal hose 4 and an atomized water spray head 5, wherein the compressor unit 1 is used for producing compressed air, and the atomized water spray head 5 is used for cooling the closed inner cavity of the front iron notch 6 of the blast furnace.
The compressor unit 1 is connected with a first pressure pipeline 11 and a second pressure pipeline 12, the first pressure pipeline 11 is provided with a first compressed air flow valve 13, and the second pressure pipeline 12 is provided with a second compressed air flow valve 14.
The atomization gas tank 3 comprises a tank body 31, a water inlet 32 and a gas inlet 33 are arranged at the top of the tank body 31, a water outlet 34 is arranged on the side wall of the tank body 31, the water outlet 34 is connected with a water outlet pipe 35, the other end of the water outlet pipe 35 is connected with the steam-water mixing pipe 2, and the water outlet pipe 35 is provided with a water outlet pipe ball valve 36.
The first pressure pipeline 11 is connected with the air inlet 33, the second pressure pipeline 12 is connected with the steam-water mixing pipe 2, and the steam-water mixing pipe 2 is provided with a gasified water ball valve 21.
The atomized water spray head 5 is arranged in a closed inner cavity of the iron notch 6 and is connected with the atomized gas tank 3 through the metal hose 4 and the steam-water mixing pipe 2. After atomized water vapor is sprayed to the closed inner cavity of the taphole 6, the atomized water cooling device can reduce the ambient temperature of the closed inner cavity of the taphole 6 in front of the furnace, thereby ensuring that the furnace front worker can normally operate before the closed inner cavity, ensuring that the furnace front worker cannot be influenced by high-temperature environment, and ensuring the safety production of the blast furnace.
The flow of compressed air is controlled through the first compressed air flow valve 13 and the second compressed air flow valve 14, the flow of water is controlled through the water outlet pipe ball valve 36, the compressed air and the water are fully mixed to form uniformly dispersed atomized water, the atomized water enters the iron notch 6 to seal the inner cavity, and the cooling effect of the inner cavity sealed by the iron notch 6 is greatly improved.
The atomizing water spray head 5 is provided with an atomizing water hole 51. Atomized water shower head 5 adopts DN40 galvanized pipe to make, atomized water shower head 5 is long for 3000mm, atomized water hole 51's aperture is 4mm, and the hole distance is 150mm, and atomized water hole 51 sets up for evenly distributed for atomized water hole 51 spun atomized water evenly distributed and all standing spray at 6 closed inner chambers in iron mouthful, thereby ensure atomized water cooling heat sink's cooling effect.
The working principle of the utility model is as follows:
the atomized water vapor spraying head 5 is installed in a closed inner cavity of an iron notch 6, the atomized water vapor spraying head 5 is connected with an atomized gas tank 3 through a metal hose 4 and a steam-water mixing pipe 2, the atomized gas tank 3 is filled with water, a gasified water ball valve 21 is opened, then a water outlet pipe ball valve 36 is opened, and then a first compressed air flow valve 13 and a second compressed air flow valve 14 are opened. Flow through compressed air flow valve 13 and the second 14 control compressed air of compressed air flow valve, through the flow of outlet pipe ball valve 36 control water, can make compressed air and water intensive mixing form the even atomizing water of dispersion and get into 6 closed inner chambers of iron notch through atomizing steam sprinkler head 5, make the atomizing water that atomizing gas pitcher 3 produced enter into atomizing water sprinkler head 5 through metal collapsible tube 4, the rethread atomizing water hole 51 sprays 6 closed inner chambers of iron notch 5 minutes, just can greatly reduced 6 closed inner chambers of iron notch's ambient temperature.
The implementation case is as follows:
the atomized water cooling and cooling device for the closed inner iron notch of the blast furnace comprises a compressor set 1, a steam-water mixing pipe 2, an atomized gas tank 3, a metal hose 4 and an atomized water spray head 5, wherein the compressor set 1 is used for producing compressed air, and the atomized water spray head 5 is used for cooling the closed inner cavity of the closed inner iron notch 6 of the blast furnace; the compressor unit 1 is connected with a first pressure pipeline 11 and a second pressure pipeline 12, the first pressure pipeline 11 is provided with a first compressed air flow valve 13, and the second pressure pipeline 12 is provided with a second compressed air flow valve 14; the atomization gas tank 3 comprises a tank body 31, a water inlet 32 and a gas inlet 33 are arranged at the top of the tank body 31, a water outlet 34 is arranged on the side wall of the tank body 31, the water outlet 34 is connected with a water outlet pipe 35, the other end of the water outlet pipe 35 is connected with the steam-water mixing pipe 2, and the water outlet pipe 35 is provided with a water outlet pipe ball valve 36; the first pressure pipeline 11 is connected with the air inlet 33, the second pressure pipeline 12 is connected with the steam-water mixing pipe 2, and the steam-water mixing pipe 2 is provided with a gasified water ball valve 21. The atomized water vapor spray head 5 is arranged in a closed inner cavity of the taphole 6 and is connected with the atomized gas tank 3 through the metal hose 4 and the steam-water mixing pipe 2, and the atomized water cooling and cooling device can reduce the ambient temperature of the closed inner cavity of the taphole 6 in front of the furnace after the atomized water vapor is sprayed in the closed inner cavity of the taphole 6. The atomizing water spray head 5 is provided with an atomizing water hole 51. Atomized water shower head 5 adopts DN40 galvanized pipe to make, atomized water shower head 5 is long for 3000mm, atomized water hole 51's aperture is 4mm, and the hole distance is 150mm, and atomized water hole 51 sets up for evenly distributed for atomized water hole 51 spun atomized water evenly distributed and all standing spray at 6 closed inner chambers in iron mouthful, thereby ensure atomized water cooling heat sink's cooling effect.
The main functions of the utility model are as follows:
according to the atomized water cooling and cooling device, the atomized water sprayed by the atomized water spraying heads cools and cools the closed inner cavity of the iron notch in front of the furnace, so that the heat of the closed inner cavity of the iron notch in front of the furnace can be diffused in a short time, the temperature of the high-temperature environment of the closed inner cavity of the iron notch is greatly reduced, the stokehole workers can normally operate before the inner cavity is closed, the stokehole workers cannot be influenced by the high-temperature environment, and the safe production of the blast furnace is ensured. According to the utility model, the atomized water spray head is made of DN40 galvanized pipe, the length of the atomized water spray head is 3000mm, the aperture of the atomized water holes is 4mm, the hole distance of the atomized water holes is 150mm, and the atomized water holes are uniformly distributed, so that the atomized water sprayed from the atomized water holes is uniformly distributed and fully sprayed in the closed inner cavity of the taphole, thereby ensuring the cooling effect of the atomized water cooling device. The atomized water cooling device has the advantages of simple structure, convenience in maintenance, low use cost and the like.
In the description of the present invention, it is to be understood that the terms "upper end surface", "lower end surface", "top", "bottom", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and thus are not to be construed as limiting the practical use direction of the present invention.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.
Claims (5)
1. The utility model provides a be used for blast furnace stokehold iron notch to seal interior atomizing water cooling heat sink which characterized in that: the device comprises a compressor set, a steam-water mixing pipe, an atomized gas tank, a metal hose and an atomized water spray head, wherein the atomized water spray head, the metal hose, the steam-water mixing pipe, the atomized gas tank and the compressor set are sequentially connected, the compressor set is used for producing compressed air, and the atomized water spray head is arranged in a closed inner cavity of an iron notch;
the atomization gas tank comprises a tank body, a water inlet and a gas inlet are formed in the top of the tank body, a water outlet is formed in the side wall of the tank body, the water outlet is connected with a water outlet pipe, the other end of the water outlet pipe is connected with a steam-water mixing pipe, and the water outlet pipe is provided with a water outlet pipe ball valve;
the compressor unit is connected with a first pressure pipeline and a second pressure pipeline, the first pressure pipeline is connected with an air inlet, the second pressure pipeline is connected with a steam-water mixing pipe, and the steam-water mixing pipe is provided with a gasified water ball valve.
2. The atomized water cooling device used in the closed blast furnace front taphole of the blast furnace as claimed in claim 1, characterized in that: the first pressure pipeline is provided with a first compressed air flow valve, and the second pressure pipeline is provided with a second compressed air flow valve.
3. The atomized water cooling device used in the closed blast furnace front taphole according to claim 2, characterized in that: the atomized water spraying head is provided with atomized water holes which are uniformly distributed.
4. The atomized water cooling device used in the closed blast furnace front taphole of the blast furnace as claimed in claim 1, characterized in that: the atomized water spray head is made of a DN40 galvanized pipe.
5. The atomized water cooling device used in the closed blast furnace front taphole according to the claim 3, characterized in that: the length of the atomized water spray head is 3000 mm; the aperture of the atomized water hole is 4mm, and the pitch of the atomized water hole is 150 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122209877.XU CN216473293U (en) | 2021-09-13 | 2021-09-13 | Atomized water cooling device used in closed blast furnace front iron notch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122209877.XU CN216473293U (en) | 2021-09-13 | 2021-09-13 | Atomized water cooling device used in closed blast furnace front iron notch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216473293U true CN216473293U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122209877.XU Active CN216473293U (en) | 2021-09-13 | 2021-09-13 | Atomized water cooling device used in closed blast furnace front iron notch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216473293U (en) |
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2021
- 2021-09-13 CN CN202122209877.XU patent/CN216473293U/en active Active
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