CN218179608U - High-power energy-saving environment-friendly zirconia smelting furnace - Google Patents
High-power energy-saving environment-friendly zirconia smelting furnace Download PDFInfo
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- CN218179608U CN218179608U CN202220777811.2U CN202220777811U CN218179608U CN 218179608 U CN218179608 U CN 218179608U CN 202220777811 U CN202220777811 U CN 202220777811U CN 218179608 U CN218179608 U CN 218179608U
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Abstract
The utility model discloses a high-power energy-saving environment-friendly zirconia smelting furnace, which comprises a furnace body, an electrode lifting device and a short net electrically connected to a wire outlet terminal of an electric furnace transformer, wherein the electrode lifting device comprises an electrode clamping oil cylinder, the fixed end of the electrode clamping oil cylinder is fixedly connected with a conductive cross arm and an electrode chuck, the moving end of the electrode clamping oil cylinder is fixedly connected with an electrode band-type brake, and a graphite electrode is arranged between the electrode chuck and the electrode band-type brake; the furnace body tilting device is fixed on a fixed frame arranged on a foundation and comprises a hinged support and a tilting frame; operation platforms are installed on two sides of the tilting frame, the feeding device comprises an electromagnetic vibration feeder, a stokehole bin, a weighing sensor, a bin support, an electromagnetic vibration feeder and a bucket elevator, an outlet of the stokehole bin is aligned to an inlet of the electromagnetic vibration feeder, and an outlet of the electromagnetic vibration feeder is aligned to a furnace cover feeding pipe of the water-cooled furnace cover. The electrode lifting adjusting system adopts automatic lifting, and is convenient, reliable and energy-saving.
Description
Technical Field
The utility model belongs to the technical field of the smelting furnace, concretely relates to energy-concerving and environment-protective zirconia smelting furnace of high power.
Background
The types of the existing zirconia smelting furnaces in China are as follows:
1. the tilting electric furnace basically adopts the mode of a steelmaking electric arc furnace, a water jacket type cooling furnace shell and an integral water-cooled furnace cover are added, and a slip clutch or an alternating-current torque motor type automatic regulator or variable-frequency speed regulation is adopted for electrode lifting. The volume of the type is generally small, and the type is widely applied to small and medium-sized refractory material plants. The equipment has high power consumption, low yield and short service life of equipment and refractory materials.
2. The trunnion type rotary electric furnace adopts trunnion support and mechanical transmission, the furnace body of the electric furnace can rotate, the electric furnace is mostly adopted in the abrasive industry of China, and the power is generally 3000KVA. The lifting of the electrode adopts manual operation, the smelting period is long, the power consumption is high, the efficiency is low, and the operation is troublesome.
At present, domestic electric melting refractory materials are generally smelted by adopting a common steelmaking electric arc furnace. Due to the defects of the common steelmaking electric arc furnace: (1) is not suitable for smelting various refractory materials (2) and has low casting temperature. (3) The melting point of the electric melting refractory material is as high as 2700 ℃, so that the service life of the furnace cover of the furnace shell is short.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the high-power zirconia fused refractory smelting furnace is specially used for smelting fused zirconia, and the raw materials of the fused zirconia are heated in a furnace body through electric arcs to finish the smelting of various fused refractories such as zirconia. After smelting, the electrode is poured integrally with the furnace body to finish casting and blowing of the refractory material.
In order to achieve the above object, the utility model provides a following technical scheme: a high-power energy-saving environment-friendly zirconia smelting furnace comprises a furnace body, an electrode lifting device, an electric furnace transformer and a short net, wherein the electric furnace transformer supplies electric energy to the furnace body, the short net is electrically connected to a wire outlet terminal of the electric furnace transformer, the electrode lifting device comprises an electrode clamping oil cylinder, the fixed end of the electrode clamping oil cylinder is fixedly connected with a conductive cross arm and an electrode chuck, the moving end of the electrode clamping oil cylinder is fixedly connected with an electrode band-type brake, the short net is electrically connected to the conductive cross arm of the electrode lifting device through a water-cooled cable, and a graphite electrode is arranged between the electrode chuck and the electrode band-type brake;
the furnace body tilting device is fixed on a fixed frame arranged on the foundation and comprises a hinged support and a tilting frame; a hinged support is arranged at the front end of the fixed frame, one end of the tilting frame is hinged above the hinged support, a furnace body is fixedly arranged above the tilting frame, the middle part of the fixed frame is rotatably connected with a tilting oil cylinder, the upper end of the tilting oil cylinder is hinged with the lower end of the bottom of the tilting frame, and a water-cooled furnace cover is detachably arranged above the furnace body; operation platform is installed to the frame both sides that fascinate, feeding device is installed to the operation platform top, and feeding device includes electromagnetism vibrations batcher, stokehold feed bin, weighing sensor, feed bin support, electromagnetism vibrations batcher, bucket elevator, stokehold feed bin is hung and is established on the feed bin support and be located weighing sensor's upper end, weighing sensor installs on the feed bin support, feed bin support side fixed mounting bucket elevator, bucket elevator's export is to the entry of stokehold feed bin top, the entry of electromagnetism vibrations is aimed at in stokehold feed bin export, the bell filling tube of water-cooled furnace lid is aimed at in the export of electromagnetism vibrations batcher.
Preferably, a water-cooling furnace mouth is installed in furnace body the place ahead, ball room has been built by laying bricks or stones in water-cooling furnace mouth the place ahead, the shower is installed along the circumference under the furnace body flange, and water-cooling furnace mouth, shower pass through the pipe connection water source.
Preferably, the water-cooling furnace cover is provided with a furnace cover feeding pipe, an observation hole and a smoke exhaust pipe.
Preferably, the welding of tilting frame rear side top has the stand leading truck, the welding of below has the hanging rack, electrically conductive xarm below installation lift stand, electrically conductive xarm lower extreme fixed connection lift stand upper end, electrode lift cylinder stiff end bottom is installed on the hanging rack, electrode lift cylinder's removal end fixed connection the lift stand, electrode lift cylinder's removal end drives the lift stand and slides and go up and down through the inside slip of stand leading truck to drive electrode elevating gear oscilaltion. The short net is arranged in a water-cooled copper pipe regular triangle and is provided with a large-section water-cooled cable, and the cross arm is a copper-steel composite conductive cross arm.
Preferably, the middle part of the fixing frame is provided with a tilting oil cylinder support, the tilting oil cylinder support is hinged to be connected with a tilting oil cylinder, and the upper end of the tilting oil cylinder is hinged to be connected with the lower end of the tilting frame.
Preferably, the furnace body of the furnace body is internally provided with a layer of refractory bricks.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) The furnace body adopts a layer of refractory bricks built inside, and then the self-smelted material is naturally crusted to form a refractory lining in a special environment of spraying water and high-temperature electric arc outside, so that the furnace is safe, economic and reliable, and the service life of the furnace body is prolonged.
(2) The diameter of the furnace body is enlarged, the electric arc is not easy to corrode a refractory material and a furnace shell, the furnace discharge amount is increased, the service life of the furnace body is ensured, and the operation safety of the electric furnace is improved.
(3) The cross arm is a copper-steel composite conductive cross arm, so that the impedance is low, the load current is high, the structure is compact, and the loss is low.
(4) The electrode is lifted by adopting a hydraulic cylinder, the clamping is realized by adopting a disc spring, and the hydraulic pressure loosening structure is safe and reliable.
(5) One electrode is opposite to the furnace mouth and close to the furnace mouth, the temperature of the molten liquid is high during casting, and the casting and the ball blowing are convenient.
(6) The electric furnace transformer adopts a low-loss energy-saving transformer, and can be overloaded by 20% for a long time.
(7) When the furnace is tilted for casting, the electrode is inserted into the furnace and is tilted integrally with the furnace body, so that the casting temperature is high, and the ball blowing is convenient to cast.
(8) The flue gas adopts the fourth hole to remove dust, and the flue gas entrapment efficiency is high.
(9) The electrode lifting adjusting system adopts automatic lifting, and is convenient, reliable and energy-saving.
(10) The short net adopts water-cooled copper pipe space regular triangle arrangement and large-section water-cooled cables, so that the impedance is reduced, and the three-phase power balance is ensured. The electrode arrangement adopts the electrode to be over against the furnace mouth and be close to the furnace mouth, and the tapping temperature is high.
Drawings
FIG. 1 is a front structural view of a high power energy-saving environment-friendly zirconia smelting furnace of the present invention;
fig. 2 is a side structure view of the high-power energy-saving environment-friendly zirconia smelting furnace of the utility model.
FIG. 3 is a top view structural diagram of the high power energy-saving environment-friendly zirconia smelting furnace of the present invention;
fig. 4 is a partial structure diagram of a high-power energy-saving environment-friendly zirconia smelting furnace of the present invention.
In the figure: the device comprises an electric furnace transformer 1, a spray pipe 101, a hinged support 111, a fixing frame 112, a tilting oil cylinder support 114, a tilting oil cylinder 115, a short net 2, a water-cooled cable 3, an electrode lifting device 4, an electrode clamping oil cylinder 41, a conductive cross arm 42, an electrode chuck 43, a graphite electrode 44, an electrode band-type brake 45, a lifting upright post 46, an electrode lifting oil cylinder 47, a feeding device 5, a stokehole bin 51, a weighing sensor 52, a bin support 53, an electromagnetic vibration feeder 54, a bucket elevator 55, a water-cooled furnace cover 7, a furnace cover feeding pipe 71, an observation hole 72, a smoke exhaust pipe 73, a water-cooled furnace nozzle 8, a tilting frame 9, a furnace body 10, a furnace body tilting device 11, an upright post guide frame 15, a hanging frame 16, an operation platform 17 and a masonry ball blowing room 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-power energy-saving environment-friendly zirconia smelting furnace comprises a furnace body 10, an electrode lifting device 4, an electric furnace transformer 1 for providing electric energy for the furnace body 10, and a short net 2 electrically connected to a wire outlet terminal of the electric furnace transformer 1, wherein the model of the electric furnace transformer 1 is an on-load voltage regulation electric furnace transformer HSSP type, the electrode lifting device 4 comprises an electrode clamping oil cylinder 41, the fixed end of the electrode clamping oil cylinder 41 is fixedly connected with a conductive cross arm 42 and an electrode chuck 43, the moving end of the electrode clamping oil cylinder 41 is fixedly connected with an electrode band-type brake 45, the short net 2 is electrically connected to the conductive cross arm 42 of the electrode lifting device 4 through a water-cooled cable 3, and a graphite electrode 44 is arranged between the electrode chuck 43 and the electrode band-type brake 45;
the furnace body tilting device 11 is fixed on a fixed frame 112 arranged on the foundation, and the furnace body tilting device 11 comprises a hinged support 111 and a tilting frame 9; a hinged support 111 is arranged at the front end of the fixed frame 112, one end of the tilting frame 9 is hinged above the hinged support 111, a furnace body 10 is fixedly arranged above the tilting frame 9, the middle part of the fixed frame 112 is rotatably connected with a tilting oil cylinder 115, the upper end of the tilting oil cylinder 115 is hinged with the lower end of the bottom of the tilting frame 9, and a water-cooled furnace cover 7 is detachably arranged above the furnace body 10; operation platform 17 is installed to tilting frame 9 both sides, feeding device 5 is installed to operation platform 17 top, and feeding device 5 includes stokehold feed bin 51, weighing sensor 52, feed bin support 53, electromagnetic vibration batcher 54 bucket elevator 55, stokehold feed bin 51 is hung and is established on feed bin support 53 and be located weighing sensor 52's upper end, electromagnetic vibration batcher 54 weighing sensor 52 installs on feed bin support 53, feed bin support 53 side fixed mounting bucket elevator 55, the export of bucket elevator 55 is to the entry of stokehold feed bin 51 top, the entry of electromagnetic vibration batcher 54 is aimed at in stokehold feed bin 51 export, the export of electromagnetic vibration bell 54 is aimed at the inlet pipe 71 of water-cooled bell 7. The electromagnetic vibration feeder 54 is ZG-80. Load cell 52 is model ET-3.
Further, a water-cooling furnace mouth 8 is installed in front of the furnace body 10, a ball blowing room 18 is built in front of the water-cooling furnace mouth 8, a spray pipe 101 is installed along the circumference under a flange of the furnace body 10, and the water-cooling furnace mouth 8 and the spray pipe 101 are connected with a water source through a pipeline.
Further, a furnace cover feeding pipe 71, an observation hole 72 and a smoke exhaust pipe 73 are arranged on the water-cooling furnace cover 7.
Further, stand leading truck 15, welding of below have been welded to the top of tilting frame 9 rear side, conductive xarm 42 lower extreme fixed connection lift stand 46 upper end, electrode lift cylinder 47 stiff end bottom is installed on hanging rack 16, electrode lift cylinder 47 remove end fixed connection lift stand 46, lift stand 46 and the inside sliding connection of stand leading truck 15, electrode lift cylinder 47 remove the end and drive lift stand 46 slide and run through the inside lift that slides from top to bottom of stand leading truck 15 to drive electrode elevating gear 4 oscilaltion. The conductive cross arm 42 is a water-cooling composite conductive cross arm disclosed in Chinese patent No. CN95216700.
Furthermore, a tilting cylinder support 114 is installed in the middle of the fixing frame 112, the tilting cylinder support 114 is hinged to a tilting cylinder 115, and the upper end of the tilting cylinder 115 is hinged to the lower end of the tilting frame 9.
Furthermore, the furnace body 10 is made of a layer of refractory bricks.
Example (b): during smelting, after the bucket elevator 55 lifts the materials to the stokehole bin 51, the outlet of the electromagnetic vibration feeder 54 below the stokehole bin 51 firstly adds the mixed raw materials into the furnace body 10; the type of the bucket elevator 55 is TH type, the electric furnace transformer 1 is fixedly provided with three graphite electrodes 44 through the short net 2, the water-cooled cable 3, the conductive cross arm 42 and the electrode chuck 43, the electrode chuck 43 transmits electric energy to the 3 graphite electrodes 44, the water-cooled furnace cover 7 is provided with electrode holes, the water-cooled furnace cover 7 is provided with 3 electrode holes, the graphite electrodes 44 penetrate through the 3 electrode holes on the water-cooled furnace cover 7 and are inserted into the furnace body 10 to be close to the raw material surface to generate arc discharge to melt the raw material for smelting; in the smelting process, the current fluctuates; driven by an electrode lifting oil cylinder 47, a lifting upright column 46 slightly moves up and down in the upright column guide frame 15, and the lifting upright column 46 drives a graphite electrode 44 on the conductive cross arm 42 to slightly move up and down; and feeding and smelting according to the process requirement in the smelting process. After the smelting process is finished, the graphite electrode 44 is lifted, the tilting oil cylinder 115 acts, the tilting furnace frame 9, the furnace body 10 and the water-cooled furnace cover 7 are tilted and rotated integrally along the hinged support 111 at the front end of the tilting device, and the fused zirconia after smelting in the furnace body 10 flows out and is blown into a ball blowing room by compressed air to be cooled. After flowing out, the tilting oil cylinder 115 acts to restore the tilting frame 9, the furnace body 10 and the water-cooled furnace cover 7 to the original positions, and the smelting process of one furnace is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high-power energy-saving environment-friendly zirconia smelting furnace which is characterized in that,
the electrode lifting device comprises a furnace body (10), an electrode lifting device (4), an electric furnace transformer (1) for providing electric energy for the furnace body (10), and a short net (2) electrically connected to a wire outlet terminal of the electric furnace transformer (1), wherein the electrode lifting device (4) comprises an electrode clamping oil cylinder (41) and an electrode lifting oil cylinder (47), the fixed end of the electrode clamping oil cylinder (41) is fixedly connected with a conductive cross arm (42) and an electrode chuck (43), the moving end of the electrode clamping oil cylinder (41) is fixedly connected with an electrode band-type brake (45), the short net (2) is electrically connected to the conductive cross arm (42) of the electrode lifting device (4) through a water-cooling cable (3), a graphite electrode (44) is installed between the electrode chuck (43) and the electrode band-type brake (45), and the bottom of the fixed end of the electrode lifting oil cylinder (47) is installed on a hanging rack (16);
the furnace body tilting device (11) is arranged on the foundation, the furnace body tilting device (11) is fixed on a fixed frame (112) arranged on the foundation, and the furnace body tilting device (11) comprises a hinged support (111) and a tilting frame (9); a hinged support (111) is installed at the front end of the fixed frame (112), one end of the tilting frame (9) is hinged above the hinged support (111), a furnace body (10) is fixedly installed above the tilting frame (9), the middle part of the fixed frame (112) is rotatably connected with a tilting oil cylinder (115), the upper end of the tilting oil cylinder (115) is hinged with the lower end of the bottom of the tilting frame (9), and a water-cooled furnace cover (7) is detachably installed above the furnace body (10); operation platform (17) are installed to tilting frame (9) both sides, feeding device (5) are installed to operation platform (17) top, and feeding device (5) include stokehold feed bin (51), weighing sensor (52), feed bin support (53), electromagnetic vibration batcher (54), bucket elevator (55), stokehold feed bin (51) are hung and are established on feed bin support (53) and are located the upper end of weighing sensor (52), install on feed bin support (53) weighing sensor (52), feed bin support (53) side fixed mounting bucket elevator (55), the export of bucket elevator (55) is to the entry of stokehold feed bin (51) top, the entry of electromagnetic vibration batcher (54) is aimed at in stokehold feed bin (51) export, the bell filling tube (71) of water-cooled furnace lid (7) is aimed at in the export of electromagnetic vibration batcher (54).
2. The high-power energy-saving environment-friendly zirconia smelting furnace according to claim 1, characterized in that; water-cooling furnace mouth (8) are installed in furnace body (10) the place ahead, ball room (18) have been blown in building by laying bricks or stones in water-cooling furnace mouth (8) the place ahead, shower (101) are installed along the circumference under furnace body (10) flange, and water-cooling furnace mouth (8), shower (101) pass through the pipe connection water source.
3. A high power energy saving environmental protection zirconia smelting furnace according to claim 1, characterized in that the water cooled roof (7) is equipped with roof feed pipe (71), observation hole (72) and smoke exhaust pipe (73).
4. The high-power energy-saving environment-friendly zirconia smelting furnace according to claim 1, characterized in that a column guide frame (15) is welded above the rear side of the tilting frame (9), a hanging frame (16) is welded below the rear side of the tilting frame, the lower end of the conductive cross arm (42) is fixedly connected with the upper end of a lifting column (46), the moving end of the electrode lifting cylinder (47) is connected with the lifting column (46), and the moving end of the electrode lifting cylinder (47) drives the lifting column (46) to slide up and down through the inside of the column guide frame (15), so as to drive the electrode lifting device (4) to move up and down.
5. The high-power energy-saving environment-friendly zirconia smelting furnace according to claim 1, characterized in that a tilting cylinder support (114) is installed in the middle of the fixed frame (112), the tilting cylinder support (114) is hinged to a tilting cylinder (115), and the upper end of the tilting cylinder (115) is hinged to the lower end of the tilting frame (9).
6. A high power energy saving environmental protection zirconia smelting furnace according to claim 1, characterized by that the furnace body (10) is built with a layer of refractory bricks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220777811.2U CN218179608U (en) | 2022-04-06 | 2022-04-06 | High-power energy-saving environment-friendly zirconia smelting furnace |
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| CN202220777811.2U CN218179608U (en) | 2022-04-06 | 2022-04-06 | High-power energy-saving environment-friendly zirconia smelting furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117073367A (en) * | 2023-10-17 | 2023-11-17 | 河南中锆新材料有限公司 | Smelting equipment and process for preparing zirconia by using smelting equipment |
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2022
- 2022-04-06 CN CN202220777811.2U patent/CN218179608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117073367A (en) * | 2023-10-17 | 2023-11-17 | 河南中锆新材料有限公司 | Smelting equipment and process for preparing zirconia by using smelting equipment |
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