CN213578705U - Heat accumulating type hydraulic tilting aluminum melting and heat preserving integrated furnace - Google Patents
Heat accumulating type hydraulic tilting aluminum melting and heat preserving integrated furnace Download PDFInfo
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- CN213578705U CN213578705U CN202022325077.XU CN202022325077U CN213578705U CN 213578705 U CN213578705 U CN 213578705U CN 202022325077 U CN202022325077 U CN 202022325077U CN 213578705 U CN213578705 U CN 213578705U
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Abstract
The utility model relates to a metallurgical equipment field, concretely relates to heat accumulation formula hydraulic pressure is tumbled aluminium and is melted integrative stove that keeps warm, the induction cooker comprises a cooker bod, the furnace body left and right sides all is provided with a plurality of heat accumulation formula combustors, heat accumulation formula combustor includes nozzle and heat accumulation case, the heat accumulation case is located the nozzle below. The utility model discloses a plurality of heat accumulation formula combustors can cycle work, heat or keep warm in the stove, make the interior temperature of stove even, help giving the furnace charge with the heat is effectual, reduce the scaling loss, reduce the energy consumption, avoid combustor heat time overlength to make aluminium liquid local temperature high to cause the loss simultaneously, avoid the distal end temperature to melt slowly on the low side, prolong the nozzle life-span, reduce the manufacturing cost of enterprise.
Description
Technical Field
The utility model relates to a metallurgical equipment field, concretely relates to heat accumulation formula hydraulic pressure is tumbled aluminium and is melted integrative stove that keeps warm.
Background
In the aluminum material metallurgy industry, for a tilting type melting and heat preservation integrated furnace commonly used for aluminum smelting, if an 85 ton + heat accumulation type hydraulic tilting aluminum melting and heat preservation integrated furnace used by the enterprise, a 6000-type burner system is selected as a combustion system, and each furnace is provided with 2 heat accumulation type burners. The feeding proportion of each furnace is 70 percent of aluminum water and 30 percent of cold materials, the melting efficiency is 6-7 tons per hour, and the fuel gas consumption is 720m3And h, carrying out gas single consumption 32 m/ton. However, the melting efficiency is slower after the heat storage chamber is used for half a year, the heat storage ball is found to be agglomerated by checking the heat storage chamber, the grate of the heat storage chamber is aged, and the grate and the heat storage ball need to be replaced. Because the upper heat storage chamber type combustion system changes the heat storage ball, the work site is small, the ambient temperature is high, and the periodic dredging is not easy, the heat energy loss is increased, and the heat utilization rate is reduced. In addition, because the furnace is large in size, the aluminum loss is easily caused due to the high temperature of the near end of the burner, the aluminum metal melting is slow due to the low temperature of the far end, and the furnace door needs to be opened under the conditions of feeding, sampling, temperature measurement and the like, but the heat loss is caused due to the large opening of the furnace door.
Disclosure of Invention
The utility model discloses a solve the problem that the temperature is uneven, the heat utilization ratio is low in melting the integrative stove of heat preservation, provide a heat accumulation formula hydraulic pressure tilt aluminium and melt integrative stove of heat preservation, the furnace internal temperature is even, has reduced the scaling loss, has reduced the energy consumption, has reduced the manufacturing cost of enterprise.
In order to realize the purpose, the technical scheme of the utility model is that:
the utility model provides an integrative stove of heat accumulation formula hydraulic pressure tilt aluminium melting heat preservation, includes the furnace body, the furnace body left and right sides all is provided with a plurality of heat accumulation formula combustors, heat accumulation formula combustor includes nozzle and heat accumulation case, the heat accumulation case is located the nozzle below.
Furthermore, the heat storage box is circular, and a layer of refractory lining poured by refractory materials is arranged in the heat storage box.
Furthermore, a ceramic ball for heat storage is arranged in the heat storage box.
Furthermore, the furnace body is provided with two furnace doors, and the two furnace doors are different in size.
Furthermore, a rotary connecting pipe is fixedly arranged at the soup outlet of the furnace body, the rotary connecting pipe is rotatably connected with a fixed connecting pipe, and the fixed connecting pipe is connected with a soup outlet pipe.
Furthermore, the butt joint of the rotary connecting pipe and the fixed connecting pipe is provided with a connecting ring plate, a plurality of waist-shaped holes are formed in the connecting ring plate of the fixed connecting pipe, the waist-shaped holes are distributed in an arc shape by taking the axis of the fixed connecting pipe as the center, and the fixed connecting pipe and the rotary connecting pipe sequentially penetrate through the waist-shaped holes and the connecting ring plate of the rotary connecting pipe through fastening bolts to be connected in a rotating mode.
Furthermore, a sealing gasket is arranged between the connecting ring plates of the rotating connecting pipe and the fixed connecting pipe.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a furnace body left and right sides all is provided with a plurality of regenerative burners, and a plurality of regenerative burners can cycle work, heats or keeps warm in to the stove, makes furnace inner temperature even, helps giving the furnace charge with the heat is effectual, reduces the loss of burning, reduces the energy consumption, avoids combustor heat time overlength to make aluminium liquid local temperature high to cause the loss simultaneously, avoids the distal end temperature to melt slowly on the low side, prolongs the nozzle life-span, reduces the manufacturing cost of enterprise.
The utility model discloses a furnace body is provided with two furnace gates of variation in size, and according to the operation needs of difference and open different furnace gates, avoids frequently making the furnace body be in open state, reduces molten bath calorific loss, also avoids workman direct contact high temperature environment simultaneously to further reduce and melt the heat preservation energy consumption.
The utility model discloses a go out hot water mouth and go out and be provided with rotation connecting pipe and fixed connection pipe, rotate the connecting pipe and pass through the connecting ring board with fixed connection pipe and rotate and be connected, form the play hot water form of rotary joint formula, go out the hot water and leak-proof aluminium, convenient clearance, operation safety.
Drawings
FIG. 1 is a schematic view of the heat accumulating type hydraulic tipping aluminum melting and heat preserving integrated furnace;
FIG. 2 is a schematic top view of the heat accumulating type hydraulic tipping aluminum melting and heat preserving integrated furnace of the present invention;
FIG. 3 is a schematic structural view of the soup outlet of the present invention;
fig. 4 is a schematic structural diagram of the rotating connecting pipe and the fixed connecting pipe of the present invention.
The reference numbers in the drawings are as follows: the furnace comprises a furnace body 1, a heat accumulating type combustor 2, a burner 201, a heat accumulating box 202, a rotary connecting pipe 3, a fixed connecting pipe 4, a connecting ring plate 5, a kidney-shaped hole 6, a sealing washer 7, a large furnace door 8 and a small furnace door 9.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
in the description of the present invention, it is to be understood that the terms "left", "right", "upper", "lower", "lateral", "vertical", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
As shown in fig. 1 to 4, the present embodiment provides a heat accumulating type hydraulic tilting aluminum melting and heat preserving integrated furnace, which includes a furnace body 1, a plurality of heat accumulating type burners 2 are disposed on both sides of the furnace body 1, each heat accumulating type burner 2 includes a burner 201 and a heat accumulating box 202, and the heat accumulating box 202 is located below the burner 201. As a specific implementation manner, in this embodiment, two heat accumulating type burners 2 are arranged on both left and right sides of the furnace body 1, the furnace is heated by four burners 201 on both left and right sides of the furnace body 1, the operating modes of the four heat accumulating type burners 2 can be controlled and adjusted to enable the four heat accumulating type burners to operate circularly, and the four heat accumulating type burners can be simultaneously fired to heat the furnace; the A, B heat accumulating type burner and the C, D heat accumulating type burner can be alternately combusted and accumulated heat; a. C, the heat accumulating type burner and the B, D heat accumulating type burner are used for alternately burning and accumulating heat; a. D heat accumulating type burners and B, C heat accumulating type burners are used for alternately burning and accumulating heat. The temperature in the furnace is uniform, heat can be effectively transferred to furnace materials, the temperature of each corner of a molten pool is uniform, the burning loss is reduced, the energy consumption is reduced, higher special melting rate (the special melting rate refers to the melting rate obtained by each square meter of the molten pool) can be provided, the loss caused by high local temperature of molten aluminum due to overlong heating time of a burner is avoided, the low melting speed of the far-end temperature is avoided, and the service life of a burner is prolonged; and, heat accumulation case 202 is located the nozzle below, and the heat accumulation case is put down and is made the maintenance of heat accumulation case convenient.
Further, the heat storage tank 202 is circular, and a layer of refractory lining poured by refractory materials is arranged in the heat storage tank 202. And ceramic balls for heat storage are also arranged in the heat storage box 202. The melting efficiency rises from 7 tons per hour to 9 tons per hour, the unit consumption of gas decreases from 33.8 m/ton to 27.3 m/ton, and the melting time is shortened by about 50 minutes per furnace.
Further, the furnace body 1 is provided with two furnace doors, and the two furnace doors are different in size. The large furnace door 8 is used for discharging materials of the charging car, so that short charging time can be realized, heat loss and energy consumption are further reduced, the efficiency is high, workers are prevented from directly contacting a high-temperature environment, the furnace door is closed after charging materials, ignition and melting are carried out, and the large furnace door 8 does not need to be opened in the whole melting process except for batching and refining operations, so that heat loss is reduced; the small furnace door 9 is used for dumping molten aluminum which is delivered from the aluminum water bag after the intermediate frequency furnace and the rotary furnace are melted, and measuring the temperature of the molten pool, and the small furnace door 9 only needs to be lifted by 600mm when the molten aluminum is dumped, so that the heat loss of the molten pool is further reduced.
Furthermore, a rotary connecting pipe 3 is fixedly arranged at a soup outlet of the furnace body 1, the rotary connecting pipe 3 is rotatably connected with a fixed connecting pipe 4, the fixed connecting pipe 4 is connected with a soup outlet pipe, and the soup outlet pipe is connected with a device for containing aluminum liquid. Specifically, the butt joint of rotating connecting pipe 3 and fixed connection pipe 4 all is provided with connecting ring plate 5, a plurality of waist type holes 6 have been seted up on the connecting ring plate 5 of fixed connection pipe 4, waist type hole 6 uses the axle center of fixed connection pipe 4 to be the arc and lays as the center, and it is provided with a plurality of bolt holes to correspond waist type hole 6 on the connecting ring plate 5 of rotating connecting pipe 3, and fixed connection pipe 4 passes waist type hole 6 and bolt hole in proper order through fastening bolt with rotating connecting pipe 3 and rotates the connection. When the heat accumulating type hydraulic tilting aluminum melting and heat preserving integrated furnace tilts aluminum liquid, the furnace body needs to tilt about 50 degrees, and the aluminum liquid flows to the rotating connecting pipe 3 from the liquid outlet and is discharged through the fixed connecting pipe 4 and the liquid outlet pipe. Two connection ring boards 5, waist type hole 6 and fastening bolt form the rotation type and connect, in the furnace body process of tumbling, it is fixed to go out the hot water pipe, in order to guarantee the security of going out hot water, along with the rotation of furnace body, it is rotatory to rotate connecting pipe 3, drive fastening bolt simultaneously at waist type hole 6 internal rotation, it is rotatory to realize rotating connecting pipe 3, the fixed state of fixed connection pipe 4, thereby, realize tumbling of furnace body promptly, realize going out the fixed of hot water pipe again, and, the phenomenon of interface calorization has also been avoided to the swivelling joint relation of rotating connecting pipe 3 and fixed connection pipe 4, also convenient clearance, operation safety.
A sealing washer 7 is arranged between the connecting ring plate 5 of the rotating connecting pipe 3 and the fixed connecting pipe 4, and through holes are formed in the sealing washer 7 corresponding to bolt holes, so that fastening bolts for connecting the rotating connecting pipe 3 and the fixed connecting pipe 4 penetrate through the sealing washer 7, and the interface connection of the rotating connecting pipe 3 and the fixed connecting pipe 4 is more tight and leak-proof.
Brief description of the operation of melting aluminum:
(1) the aluminum ingot, ingot head, leftover materials and the like which are prepared in advance realize shorter charging time through the large furnace door 8 charging vehicle, effectively reduce heat loss and energy consumption, close the large furnace door after charging for ignition and melting, and do not need to open the large furnace door again to reduce heat loss except batching and refining operation in the whole melting process.
(2) The small furnace door 9 is opened, and molten aluminum from the intermediate frequency furnace and revolving is added, and the total amount of liquid aluminum is 60 to 70 percent.
(3) The melting efficiency of 9 tons per hour is about 3 hours and 10 minutes, the molten pool aluminum liquid temperature reaches 720-760 ℃, and a small furnace door is opened for temperature measurement and sampling.
(4) Opening a big furnace door to remove scum, mixing, stirring, refining, removing slag after refining, sampling, finally reaching casting conditions, and pouring molten aluminum.
Through the utility model discloses an integrative stove keeps warm makes in the stove heating temperature even, avoids the aluminium loss that local high temperature caused, has reduced the scaling loss, has reduced the energy consumption, has reduced the gas consumption to reduce the manufacturing cost of enterprise, the calorization phenomenon when avoiding empting aluminium liquid makes the operation safer, the clearance of also being convenient for has reduced the amount of manual labor, has promoted the productivity effect of enterprise.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (7)
1. The utility model provides a heat accumulation formula hydraulic pressure is tilted to turn over aluminium and is melted integrative stove that keeps warm, includes furnace body (1), its characterized in that, the furnace body (1) left and right sides all is provided with a plurality of heat accumulation formula combustors (2), heat accumulation formula combustor (2) are including nozzle (201) and heat accumulation case (202), heat accumulation case (202) are located nozzle (201) below.
2. A regenerative hydraulic tilting aluminum melting and heat preserving integrated furnace as claimed in claim 1 wherein the regenerative tank (202) is circular and a refractory lining cast from refractory material is disposed in the regenerative tank (202).
3. A regenerative hydraulic tilting aluminum melting and heat preserving integrated furnace as claimed in claim 2, characterized in that the heat storage tank (202) is further provided with ceramic balls for heat storage.
4. A regenerative hydraulic tilting aluminum melting and heat preserving integrated furnace as claimed in claim 1, characterized in that said furnace body (1) is provided with two furnace doors, the two said doors being of different sizes.
5. A regenerative hydraulic tilting aluminum melting and heat preserving integrated furnace as claimed in claim 1, characterized in that a rotary connecting pipe (3) is fixedly arranged at the soup outlet of the furnace body (1), the rotary connecting pipe (3) is rotatably connected with a fixed connecting pipe (4), and the fixed connecting pipe (4) is connected with a soup outlet pipe.
6. A heat accumulating type hydraulic tilting aluminum melting and heat preserving integrated furnace as claimed in claim 5, characterized in that the butt joints of the rotating connecting pipe (3) and the fixed connecting pipe (4) are provided with connecting ring plates (5), a plurality of waist-shaped holes (6) are formed in the connecting ring plates (5) of the fixed connecting pipe (4), the waist-shaped holes (6) are arranged in an arc shape with the axis of the fixed connecting pipe (4) as the center, and the fixed connecting pipe (4) and the rotating connecting pipe (3) are connected in rotation by fastening bolts sequentially penetrating through the waist-shaped holes (6) and the connecting ring plates (5) of the rotating connecting pipe (3).
7. A regenerative hydraulic tilting aluminum melting and heat preserving integrated furnace as claimed in claim 6, characterized in that a sealing washer (7) is arranged between the rotary connecting pipe (3) and the connecting ring plate (5) of the fixed connecting pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022325077.XU CN213578705U (en) | 2020-10-19 | 2020-10-19 | Heat accumulating type hydraulic tilting aluminum melting and heat preserving integrated furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022325077.XU CN213578705U (en) | 2020-10-19 | 2020-10-19 | Heat accumulating type hydraulic tilting aluminum melting and heat preserving integrated furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213578705U true CN213578705U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022325077.XU Active CN213578705U (en) | 2020-10-19 | 2020-10-19 | Heat accumulating type hydraulic tilting aluminum melting and heat preserving integrated furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213578705U (en) |
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- 2020-10-19 CN CN202022325077.XU patent/CN213578705U/en active Active
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