CN114166030A - Water-cooling furnace door for cooling furnace eye of electric furnace - Google Patents
Water-cooling furnace door for cooling furnace eye of electric furnace Download PDFInfo
- Publication number
- CN114166030A CN114166030A CN202111261592.9A CN202111261592A CN114166030A CN 114166030 A CN114166030 A CN 114166030A CN 202111261592 A CN202111261592 A CN 202111261592A CN 114166030 A CN114166030 A CN 114166030A
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- CN
- China
- Prior art keywords
- furnace
- cooling
- water
- eye
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000000498 cooling water Substances 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 206010015915 eye discharge Diseases 0.000 abstract 1
- 230000006978 adaptation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1858—Doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/15—Tapping equipment; Equipment for removing or retaining slag
- F27D3/1509—Tapping equipment
- F27D3/1518—Tapholes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a water-cooled furnace door for cooling a furnace eye of an electric furnace, which comprises a furnace door body, a water outlet pipeline and a water inlet pipeline, wherein the furnace door body comprises an end cover and a cooling body, the cooling body is arranged on the end cover, the cooling body is of a tubular structure, a cooling water channel is arranged in the cooling body, the water outlet pipeline and the water inlet pipeline are arranged on the outer side surface of the cooling body, the water outlet pipeline and the water inlet pipeline are respectively connected with a water inlet and a water outlet of the cooling water channel, a thread for installing the furnace eye is arranged at the position, close to the end cover, of the inner side of the cooling body, a furnace eye hole through which the furnace eye passes is arranged in the center of the end cover, the service life of a furnace eye electrode can be prolonged, the stable operation of the electric furnace is guaranteed, the element replacement cost of an enterprise is reduced, water-cooling equipment is arranged outside the furnace eye electrode, the temperature when the furnace eye discharges slag is reduced, the service life of the furnace eye electrode is prolonged, and the water-cooled furnace door is cooled, the durability is improved.
Description
Technical Field
The invention belongs to the technical field of electric furnaces, and particularly relates to a water-cooling furnace door for cooling a furnace eye of an electric furnace.
Background
The working state of the electric furnace is high-temperature flame combustion, the hearth is in positive pressure, the gas overflow and radiation heat loss of the discharge port of the heating furnace are quite large, the furnace eye is used as a first checkpoint in direct contact sealing, the furnace door is used as a second checkpoint, the main functions of the first checkpoint and the second checkpoint are to seal the discharge port, the heat loss is reduced, the temperature fluctuation of the hearth is reduced, and the furnace door with good performance reduces the heat loss of the hearth and improves the heating quality.
Because the slag output of the electric furnace is large, the furnace eye needs to be stopped and replaced in about 4 months, the furnace eye replacement time is 4.5 days when the furnace is stopped, the furnace eye replacement is carried out for a single electric furnace for 3 times every year, and the total number of 4 electric furnaces in the whole year is 12. Therefore, stable operation of the electric furnace and the yield of yellow phosphorus are affected to a certain extent, the working environment of the furnace eye is very severe, and the furnace eye needs to continuously bear high temperature of more than 1200 ℃ when the blast furnace works, so that the temperature of the furnace eye is reduced, the high temperature resistance of the furnace eye is improved, and the service life of the furnace eye is prolonged as much as possible.
The inventor finds that the prior arts have at least the following technical problems in the practical use process:
the furnace eye electrode in the yellow phosphorus industry is washed by high-temperature molten slag, and the furnace eye is continuously enlarged along with long-time opening and use, so that certain influence is caused on the stable operation of the electric furnace, and certain safety risk exists. The furnace eye electrode can be replaced and used again after being used for a period of time, and the yield of the electric furnace is influenced.
Disclosure of Invention
In order to overcome the defects, the inventor of the invention continuously reforms and innovates through long-term exploration and trial and multiple experiments and efforts, and provides the water-cooling furnace door for cooling the furnace eye of the electric furnace, which can prolong the service life of the furnace eye electrode, ensure the stable operation of the electric furnace, reduce the element replacement cost of enterprises, install water-cooling equipment outside the furnace eye electrode, reduce the temperature of the furnace eye during slag tapping so as to prolong the service life of the furnace eye electrode, cool the water-cooling furnace door and improve the durability.
In order to achieve the purpose, the invention adopts the technical scheme that: a water-cooled furnace door for cooling an electric furnace eye is provided. It includes furnace gate body, outlet conduit, inlet channel, the furnace gate body includes end cover and cooling body, the cooling body is installed on the end cover, and the cooling body is tubular structure and inside cooling water route that is provided with, and outlet conduit, inlet channel set up on the outside surface of cooling body, and outlet conduit, inlet channel connect the water inlet and the delivery port in cooling water route respectively, and the position of pressing close to the end cover in the inboard of cooling body is provided with the screw thread of installation furnace eye, and the end cover center is provided with the furnace eye hole that the furnace eye passed.
According to the invention, the further preferable technical scheme is as follows: the included angle between the water outlet pipeline and the water inlet pipeline is 180 degrees or 90 degrees.
According to the invention, the further preferable technical scheme is as follows: when the included angle is 180 degrees, the water outlet pipeline and the water inlet pipeline are arranged towards two sides, and when the included angle is 90 degrees, the water outlet pipeline and the water inlet pipeline are arranged upwards.
According to the invention, the further preferable technical scheme is as follows: and a reinforcing plate is arranged at the connecting edge of the end cover and the cooling body.
According to the invention, the further preferable technical scheme is as follows: the reinforcing plates are uniformly arranged around the cooling body, and the number of the reinforcing plates is 12-14.
According to the invention, the further preferable technical scheme is as follows: the reinforcing plate is a right-angle triangular plate, and the right-angle side is respectively attached to the end cover and the cooling body.
According to the invention, the further preferable technical scheme is as follows: the edge position of the end cover is circularly provided with a circle of mounting holes.
According to the invention, the further preferable technical scheme is as follows: the inner diameter of the cooling body is matched with the outer diameter of the furnace eye.
According to the invention, the further preferable technical scheme is as follows: the furnace door body is made of high-temperature-resistant steel.
According to the invention, the further preferable technical scheme is as follows: the cooling water channel in the cooling body is set to be in a flat arc shape according to the shape of the cooling body.
Compared with the prior art, the technical scheme of the invention has the following advantages/beneficial effects:
1. the water-cooled furnace door can prolong the service life of the furnace eye electrode, ensure the stable operation of the electric furnace, reduce the element replacement cost of enterprises and reduce the replacement blowing-out.
2. The water-cooling furnace door is characterized in that water-cooling equipment is arranged outside a furnace eye electrode, so that the temperature of the furnace eye during slag discharge is reduced to prolong the service life of the furnace eye electrode.
3. The water-cooling furnace door is cooled, and the durability is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic front view of a water-cooled furnace door for cooling an electric furnace eye according to the present invention.
FIG. 2 is a schematic view of the back structure of a water-cooled furnace door for cooling an electric furnace eye according to the present invention.
FIG. 3 is a schematic structural view of a water-cooled furnace door for cooling an electric furnace hearth according to the present invention after the furnace hearth is installed.
Fig. 4 is a front view of fig. 3.
Fig. 5 is a cross-sectional view at a-a in fig. 4.
The labels in the figure are respectively: 1. the furnace door comprises a furnace door body 101, an end cover 102, a cooling body 103, a cooling water path 2, a water outlet pipeline 3, a water inlet pipeline 4, threads 5, a mounting hole 6, a reinforcing plate 7, a furnace eye hole 8 and a furnace eye.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
Example 1:
as shown in FIG. 1, a water-cooled furnace door for cooling an electric furnace eye. It includes furnace gate body 1, outlet conduit 2, 3 way of inlet channel, furnace gate body 1 includes end cover 101 and cooling body 102, cooling body 102 is installed on end cover 101, and cooling body 102 is tubular structure and inside cooling water route 103 that is provided with, and outlet conduit 2, 3 way settings of inlet channel are on the outside surface of cooling body 102, and outlet conduit 2, 3 way water inlets and the delivery port of connecting cooling water route 103 respectively of inlet channel, press close to the position of end cover 101 in the inboard of cooling body 102 and are provided with the screw thread 4 of installation furnace eye, and end cover 101 center is provided with the furnace eye hole 7 that furnace eye 8 passed.
The included angle between outlet pipe 2, 3 water inlet pipe ways is 180 or 90 settings, certainly, its angle setting is only in order to adapt to most operating environment, and it does not set up fixed restraint angle, can revise according to actual environment.
The outlet conduit 2, 3 towards both sides settings of inlet channel when the 180 setting of contained angle, outlet conduit 2, 3 up settings of inlet channel when the 90 setting of contained angle, the basic principle adopts symmetrical design as far as possible, can the furthest increase the flow distance of cooling water.
The reinforcing plates 6 are arranged at the connecting edges of the end covers 101 and the cooling body 102, the reinforcing plates 6 play a role in reinforcing connection, the reinforcing plates 6 are uniformly arranged around the cooling body 102, the number of the reinforcing plates 6 is 12-14, and the specific number is comprehensively considered according to the strength and the position condition.
A circle of mounting holes 5 are circularly arranged at the edge position of the end cover 101 and used for mounting the water-cooling furnace door on the electric furnace.
The inner diameter of the cooling body 102 is matched with the outer diameter of the furnace eye, and the close fit can better realize temperature conduction and facilitate heat dissipation.
The furnace door body 1 is made of high-temperature-resistant steel, so that the furnace door is prevented from being damaged by high temperature of furnace slag.
The cooling water passage 103 inside the cooling body 102 is formed in a flat arc shape conforming to the shape of the cooling body 102. And other reasonable structures can be adopted, the water-cooling furnace door is a cooling device arranged outside the furnace eye electrode, the furnace eye electrode is wrapped externally, water enters the water inlet pipeline 3 times after being cooled, cold water enters the water-cooling furnace door and exchanges heat with the furnace eye electrode to reduce the temperature of the furnace eye electrode, and hot water enters the cooling tower through the water outlet pipeline 2 to be cooled and then is reused.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. The utility model provides an electric stove fire hole is water-cooling furnace gate for cooling, its characterized in that, it includes furnace gate body, outlet conduit, inlet channel, the furnace gate body includes end cover and cooling body, the cooling body is installed on the end cover, and the cooling body is the tubular structure and inside is provided with the cooling water route, and outlet conduit, inlet channel set up at the outside surface of the cooling body, and outlet conduit, inlet channel connect the water inlet and the delivery port in cooling water route respectively, and the position of pressing close to the end cover in the inboard of the cooling body is provided with the screw thread of installation fire hole, and the end cover center is provided with the fire hole that the fire hole passed.
2. The water-cooled furnace door for cooling the furnace eye of the electric furnace according to claim 1, wherein an included angle between the water outlet pipeline and the water inlet pipeline is 180 degrees or 90 degrees.
3. The water-cooled furnace door for cooling the furnace eye of the electric furnace according to claim 2, wherein the water outlet pipeline and the water inlet pipeline are arranged towards two sides when the included angle is 180 degrees, and the water outlet pipeline and the water inlet pipeline are arranged upwards when the included angle is 90 degrees.
4. The water-cooled furnace door for cooling the furnace eye of the electric furnace as claimed in claim 1, wherein a reinforcing plate is provided at a connecting edge of the end cover and the cooling body.
5. The water-cooled furnace door for cooling the furnace eye of the electric furnace as claimed in claim 4, wherein the reinforcing plates are uniformly arranged around the cooling body, and the number of the reinforcing plates is 12-14.
6. The water-cooled furnace door for cooling the furnace eye of the electric furnace as claimed in claim 4, wherein the reinforcing plate is a right-angled triangular plate, and the right-angled sides are respectively attached to the end cover and the cooling body.
7. The water-cooled furnace door for cooling the furnace eye of the electric furnace as claimed in claim 1, wherein a circle of mounting holes is circularly formed at the edge of the end cover.
8. The water-cooled furnace door for cooling the furnace eye of the electric furnace as claimed in claim 1, wherein the inner diameter of the cooling body is matched with the outer diameter of the furnace eye.
9. The water-cooled furnace door for cooling the furnace eye of the electric furnace as claimed in claim 1, wherein the furnace door body is made of high temperature resistant steel.
10. The water-cooled furnace door for cooling the electric furnace eye according to claim 1, wherein the cooling water channel inside the cooling body is arranged in a flat arc shape according to the shape of the cooling body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111261592.9A CN114166030A (en) | 2021-10-28 | 2021-10-28 | Water-cooling furnace door for cooling furnace eye of electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111261592.9A CN114166030A (en) | 2021-10-28 | 2021-10-28 | Water-cooling furnace door for cooling furnace eye of electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114166030A true CN114166030A (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111261592.9A Pending CN114166030A (en) | 2021-10-28 | 2021-10-28 | Water-cooling furnace door for cooling furnace eye of electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114166030A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05331521A (en) * | 1992-06-01 | 1993-12-14 | Kawasaki Steel Corp | Steel tapping hole in refining furnace for steel-making |
| CN201852465U (en) * | 2010-11-09 | 2011-06-01 | 北京科技大学 | Structure of iron notch of water-cooled ore heating furnace |
| CN204400620U (en) * | 2015-01-30 | 2015-06-17 | 贵州省瓮安县瓮福黄磷有限公司 | Yellow phosphorus furnace stove eye device |
| CN204690025U (en) * | 2015-01-03 | 2015-10-07 | 张恩录 | The clay gun machine that the anti-melting loss clay gun of water cooling is chewed |
| CN105021046A (en) * | 2015-07-08 | 2015-11-04 | 云南建水锰矿有限责任公司 | Hearth assembly |
| CN208238552U (en) * | 2017-12-26 | 2018-12-14 | 石嘴山市宝马兴庆特种合金有限公司 | A kind of tapping hole of refining furnace |
-
2021
- 2021-10-28 CN CN202111261592.9A patent/CN114166030A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05331521A (en) * | 1992-06-01 | 1993-12-14 | Kawasaki Steel Corp | Steel tapping hole in refining furnace for steel-making |
| CN201852465U (en) * | 2010-11-09 | 2011-06-01 | 北京科技大学 | Structure of iron notch of water-cooled ore heating furnace |
| CN204690025U (en) * | 2015-01-03 | 2015-10-07 | 张恩录 | The clay gun machine that the anti-melting loss clay gun of water cooling is chewed |
| CN204400620U (en) * | 2015-01-30 | 2015-06-17 | 贵州省瓮安县瓮福黄磷有限公司 | Yellow phosphorus furnace stove eye device |
| CN105021046A (en) * | 2015-07-08 | 2015-11-04 | 云南建水锰矿有限责任公司 | Hearth assembly |
| CN208238552U (en) * | 2017-12-26 | 2018-12-14 | 石嘴山市宝马兴庆特种合金有限公司 | A kind of tapping hole of refining furnace |
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