CN213090476U - Water-cooling furnace door opening and closing device - Google Patents
Water-cooling furnace door opening and closing device Download PDFInfo
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- CN213090476U CN213090476U CN202021669491.6U CN202021669491U CN213090476U CN 213090476 U CN213090476 U CN 213090476U CN 202021669491 U CN202021669491 U CN 202021669491U CN 213090476 U CN213090476 U CN 213090476U
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- water
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- furnace door
- cylinder
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- 238000001816 cooling Methods 0.000 title claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000498 cooling water Substances 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000002893 slag Substances 0.000 abstract description 4
- 230000008021 deposition Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 10
- 238000007670 refining Methods 0.000 description 6
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Images
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses a water-cooling furnace gate switching device, include: the water cooling frame comprises 2 frames II which are arranged in parallel at intervals, a frame I used for connecting the left ends of the 2 frames II and a frame III used for connecting the right ends of the 2 frames II; a cooling water flow passage is formed in the water cooling frame, a water inlet and a water outlet of the cooling water flow passage are arranged on the water cooling frame in a staggered mode, and the cooling water flow passage is connected with a circulating cooling water pipeline through the water inlet and the water outlet when the water cooling frame works; the water-cooling furnace door can be placed at the top of the water-cooling frame in a left-right sliding manner, and a wear-resisting device is arranged between the water-cooling furnace door and the water-cooling frame; 2 cylinders (preferably water-cooled cylinders) arranged at the top of the water-cooling frame at intervals along the front-back direction, a cylinder body of each cylinder is arranged on the third frame, a piston rod of each cylinder is connected with a water-cooling furnace door, and each cylinder is used for driving the water-cooling furnace door to move left and right along the water-cooling frame so as to realize opening or closing actions. The device has the functions of high temperature resistance and slag deposition prevention.
Description
Technical Field
The utility model belongs to the technical field of the refining furnace, a setting of refining furnace water-cooling furnace gate specifically is water-cooling furnace gate switching device is related to.
Background
In the production and smelting of steel, the refining technology is the most important refining link of high-quality and special steel, and the smoothness of the production rhythm is determined by the stability of equipment, for example, a water-cooled furnace cover is the core equipment of an LF (ladle refining furnace), and the working state of the whole LF and even the whole steel-making workshop can be directly influenced by the quality of the use condition of the water-cooled furnace cover. Usually, a furnace door is arranged on a water-cooled furnace cover and used for temperature measurement sampling, feeding or oxygen lance lowering and the like so as to match with the processes of temperature measurement sampling, alloy auxiliary material addition, top argon blowing and the like, and a water-cooled furnace door is arranged on the furnace door in a matching manner and used for opening and closing the furnace door. The water-cooling furnace door is welded by the water pipe and forms, and the water-cooling furnace door generally slidable sets up on the bottom plate to rely on the drive of cylinder to realize opening or closing action, and the door mouth of in-process often can be because of high temperature, and a large amount of long-pending sediment of bottom plate (like the water-cooling furnace lid water-cooling furnace door that the chinese patent document that application number is 201410133169.4 discloses) etc. lead to warping and switch difficulty, and the maintenance environment is abominable, has the potential safety hazard, and the rate of repeated maintenance is high, is restricting production.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the to-be-solved technical problem of the utility model is to provide a water-cooling furnace door switch device which is high temperature resistant and prevents slag accumulation.
In order to realize the purpose, the adopted technical scheme is as follows: water-cooling furnace gate switching device includes:
the water cooling frame comprises 2 frames II which are arranged in parallel at intervals, a frame I used for connecting the left ends of the 2 frames II and a frame III used for connecting the right ends of the 2 frames II;
a cooling water flow passage is formed in the water cooling frame, a water inlet and a water outlet of the cooling water flow passage are arranged on the water cooling frame in a staggered mode, and the cooling water flow passage is connected with a circulating cooling water pipeline through the water inlet and the water outlet when the water cooling frame works;
the water-cooling furnace door can be placed at the top of the water-cooling frame in a left-right sliding manner, and a wear-resisting device is arranged between the water-cooling furnace door and the water-cooling frame;
2 cylinders (preferably water-cooled cylinders) arranged at the top of the water-cooled frame at intervals along the front-back direction are arranged on the frame III, the cylinder body of each cylinder is arranged on the frame III, the piston rod of each cylinder is connected with the water-cooled furnace door, and each cylinder is used for driving the water-cooled furnace door to move left and right along the water-cooled frame, so that the opening or closing action of the furnace door opening is realized.
Furthermore, the wear-resisting devices are wear-resisting strips which are respectively laid on the tops of the 2 frames II, the wear-resisting strips are respectively laid along the length direction of the frames II, the bottom of the water-cooling furnace door is in sliding fit with the wear-resisting strips, and the wear-resisting strips are made of NM360 materials.
Further, the water-cooling flow channel device further comprises 2-3 hollow support rods arranged along the left-right direction at intervals in sequence, the front ends of the hollow support rods are connected with the second frame in front in a welding mode, the rear ends of the hollow support rods are connected with the second frame in rear in a welding mode, communication holes are formed in the positions, corresponding to the hollow support rods, of the second frame, and the interior of each hollow support rod is communicated with the water-cooling flow channel in a sealing mode.
Furthermore, the first frame, the third frame and the hollow support rod are parallel to each other and are perpendicular to the second frame.
Still further, the first frame, the second frame, the third frame and the hollow support rod are all 310S stainless steel square tubes.
The utility model has the advantages that: the water-cooling furnace door opening and closing device of the utility model has wide application, and can avoid deformation of the furnace door opening when being used with a water-cooling furnace cover; during refining and smelting, the device can prevent sparks from splashing, is smooth to open and close, has no accumulated slag, greatly prolongs the service life of a furnace door, and reduces the maintenance amount.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view (in a plan view) of a water-cooled furnace door opening and closing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural view (in a top view direction) of a water-cooling furnace door opening and closing device in an embodiment of the present invention in a closed state;
fig. 3 is a schematic structural view (in a top view direction) of the opening/closing device of the water-cooling oven door according to the embodiment of the present invention;
fig. 4 is a schematic structural view (front view direction) of the opening/closing device of the water-cooling furnace door in the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a water-cooling frame of a water-cooling furnace door opening and closing device in an embodiment of the present invention;
fig. 6 is a schematic flow diagram of cooling water in the water-cooling frame of the opening and closing device for the water-cooling oven door according to the embodiment of the present invention (the arrow in the figure represents the flow direction of the cooling water);
in the figure: 1. the water-cooling furnace comprises a water-cooling furnace cover, 2. a water-cooling furnace door, 3. a water-cooling frame, 301. a frame I, 302. a frame II, 303. a frame III, 304. a water inlet, 305. a water outlet, 306. a hollow supporting rod, 4. a cylinder and 5. a wear-resistant strip.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which show only the components that are relevant to the present invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to assist in the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
As shown in fig. 1 to 6, the opening and closing apparatus for a water-cooled furnace door includes a water-cooled frame 3, a cooling water flow passage formed in the water-cooled frame 3, a water-cooled furnace door 2, and 2 cylinders 4. The water-cooling frame 3 comprises 2 second frames 302 which are arranged in parallel at intervals, a first frame 301 which is used for connecting the left ends of the 2 second frames 302, and a third frame 303 which is used for connecting the right ends of the 2 second frames 302. The water inlet 304 and the water outlet 305 of the cooling water flow passage are provided in a staggered manner on the water cooling frame 3, and the cooling water flow passage is connected to the circulating cooling water pipe through the water inlet 304 and the water outlet 305 during operation. The water-cooling furnace door 2 can be placed at the top of the water-cooling frame 3 in a left-right sliding mode, and a wear-resisting device is arranged between the water-cooling furnace door 2 and the water-cooling frame 3. 2 cylinder 4 sets up at the top of water-cooling frame 3 along fore-and-aft direction interval, and the cylinder body of cylinder 4 is installed on three 303 of frame, and the piston rod of cylinder 4 is connected with water-cooling furnace gate 2, the cylinder is used for driving water-cooling furnace gate 2 and removes along water-cooling frame 3, and then realizes opening or closing the action at the furnace gate mouth.
The concrete forming method of the water-cooling runner comprises the following steps: the first frame 301, the second frame 302 and the third frame 303 are hollow rods, a first single-face hole communicated with the inside of the first frame 301 is formed in each of the front end and the rear end of the first frame 301, a third single-face hole is formed in the rear end of the third frame 303, the water outlet 305 communicated with the inside of the third frame 303 is formed in the front end of the third frame 303, 2 first single-face holes II are formed in the second frame 302 located behind, a second single-face hole II is formed in the left end of the second frame 302 located in front, and the water inlet 304 is formed in the right end of the second frame 302 located in front. The rear end of the first frame 301 is connected with the left end of the second frame 302 positioned behind in a welding mode, one first single-face hole II corresponds to and is connected with the single-face hole I at the rear end of the first frame 301 in a sealing mode, the rear end of the third frame 303 is connected with the right end of the second frame 302 positioned behind in a welding mode, and the other first single-face hole II corresponds to and is connected with the single-face hole III at the rear end of the third frame 303 in a sealing mode. The front end of the first frame 301 is connected with the left end of the second frame 302 in front in a welding mode, the second single-face hole II corresponds to and is connected with the single-face hole I in the front end of the first frame 301 in a sealing mode, the front end of the third frame 303 is connected with the right end of the second frame 302 in front in a welding mode, and the welding point is staggered with the water outlet 305 and the water inlet 304.
Still include 2 to 3 this embodiments for 3 hollow support bars 306 along left right direction interval arrangement in proper order, the front end and the two 302 welded connections of frame that are located the place ahead of hollow support bar 306, the rear end and the two 302 connected of frame that are located the back of hollow support bar 306, the intercommunicating pore has been seted up with the position that hollow support bar 306 corresponds to frame two 302 for the inside and the airtight intercommunication of water-cooling runner of hollow support bar 306. Preferably, the first frame 301, the third frame 303 and the hollow support bar 306 are parallel to each other and perpendicular to the second frame 302.
The wear-resistant devices are wear-resistant strips 5 respectively laid on the tops of the 2 second frames 302, the wear-resistant strips 5 are respectively laid along the length direction of the second frames 302, and the bottoms of the water-cooling furnace doors 2 are in sliding fit with the wear-resistant strips 5.
More specifically, the water-cooling frame 3 is a rectangular frame made of 310S stainless steel square pipes, the welding positions are fully welded by stainless steel wire gas shielded welding, and after welding is finished, protruding craters are integrally ground, polished and ground. The water-cooling furnace door 2 is made of a cast iron plate, 4 sliding plate fixing pin holes are welded on the cast iron plate by utilizing the characteristic that the cast iron plate is difficult to accumulate slag and resist temperature, and the water-cooling furnace door is conveniently connected with the front end of a piston rod of the cylinder 4. The surface of the integral cast iron plate is polished to be convenient to slide. The cylinder 4 adopts SLSC125 x 700 water-cooling cylinder with water-cooling device to water-cool the furnace door 2. Wear resistant strip 5 adopts the preparation of NM360 material, has good wearability and guarantees that bottom water-cooling frame 3 frame can not wear and tear, its life of greatly increased, and it is also convenient to change.
The air cylinder 4 is controlled through a manual or automatic electromagnetic valve, during actual operation, a furnace door can be opened and closed only through reversing of the manual electromagnetic valve, convenience and rapidness are achieved, a remote control button can be manufactured in addition, or a PLC is connected to achieve computer operation.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. Water-cooling furnace gate switching device, its characterized in that: the method comprises the following steps:
the water cooling frame (3) comprises 2 frames II (302) which are arranged in parallel at intervals, a frame I (301) used for connecting the left ends of the 2 frames II (302), and a frame III (303) used for connecting the right ends of the 2 frames II (302);
a cooling water flow channel is formed in the water cooling frame (3), a water inlet (304) and a water outlet (305) of the cooling water flow channel are arranged on the water cooling frame (3) in a staggered mode, and when the water cooling frame works, the cooling water flow channel is connected with a circulating cooling water pipeline through the water inlet (304) and the water outlet (305);
the water-cooling furnace door (2), the water-cooling furnace door (2) can be placed on the top of the water-cooling frame (3) in a left-right sliding manner, and a wear-resisting device is arranged between the water-cooling furnace door (2) and the water-cooling frame (3);
set up 2 cylinders (4) at water-cooling frame (3) top along preceding back direction interval, the cylinder body of cylinder (4) is installed on frame three (303), and the piston rod and the water-cooling furnace gate (2) of cylinder (4) are connected, cylinder (4) are used for driving water-cooling furnace gate (2) to remove along water-cooling frame (3), and then realize opening or closing the action at the furnace gate mouth.
2. The water-cooled oven door opening and closing device according to claim 1, wherein: the wear-resisting devices are wear-resisting strips (5) respectively laid on the tops of the 2 second frames (302), the wear-resisting strips (5) are respectively laid along the length direction of the second frames (302), the bottom of the water-cooling furnace door (2) is in sliding fit with the wear-resisting strips (5), and the wear-resisting strips (5) are made of NM 360.
3. The water-cooled oven door opening and closing device according to claim 1, wherein: the water-cooling flow passage structure is characterized by further comprising 2-3 hollow support rods (306) which are sequentially arranged at intervals in the left-right direction, the front ends of the hollow support rods (306) are in welded connection with the second frame (302) located in front, the rear ends of the hollow support rods (306) are in welded connection with the second frame (302) located behind, and communication holes are formed in the positions, corresponding to the second frame (302) and the hollow support rods (306), of the hollow support rods (306) and are used for being communicated with the water-cooling flow passage in a sealed mode.
4. The water-cooled oven door opening and closing device according to claim 3, wherein: the first frame (301), the third frame (303) and the hollow support rod (306) are parallel to each other and are perpendicular to the second frame (302).
5. The water-cooled oven door opening and closing device according to claim 4, wherein: the first frame (301), the second frame (302), the third frame (303) and the hollow support rod (306) are 310S stainless steel square tubes, and the air cylinder is a water-cooled air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021669491.6U CN213090476U (en) | 2020-08-12 | 2020-08-12 | Water-cooling furnace door opening and closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021669491.6U CN213090476U (en) | 2020-08-12 | 2020-08-12 | Water-cooling furnace door opening and closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213090476U true CN213090476U (en) | 2021-04-30 |
Family
ID=75629928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021669491.6U Active CN213090476U (en) | 2020-08-12 | 2020-08-12 | Water-cooling furnace door opening and closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213090476U (en) |
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2020
- 2020-08-12 CN CN202021669491.6U patent/CN213090476U/en active Active
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