CN219037617U - Novel melting furnace for rock wool production - Google Patents
Novel melting furnace for rock wool production Download PDFInfo
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- CN219037617U CN219037617U CN202223172749.3U CN202223172749U CN219037617U CN 219037617 U CN219037617 U CN 219037617U CN 202223172749 U CN202223172749 U CN 202223172749U CN 219037617 U CN219037617 U CN 219037617U
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Abstract
The utility model relates to a novel melting furnace for rock wool production, and belongs to the technical field of melting furnaces; the device comprises a melting furnace body and burning guns, wherein a plurality of burning guns are arranged on the melting furnace body along a circumferential array, a homogenization material channel is arranged at the bottom of the side wall of the melting furnace body, an outlet pipe of each burning gun is inclined downwards in the melting furnace body in the vertical direction, the outlet direction of the outlet pipe of each burning gun is arranged along a horizontal virtual circular tangential direction in the melting furnace body in the horizontal direction, each burning gun comprises an oxygen inlet pipe, a gas inlet pipe, a cooling water pipe and a feeding groove, the oxygen inlet pipe extends into the melting furnace body, the gas inlet pipe and the cooling water pipe are sleeved outside one end of the outlet of the oxygen inlet pipe in sequence, and the feeding groove is positioned outside the melting furnace body and communicated with the interior of the oxygen inlet pipe; solves the problems of high energy consumption, large environmental pollution and unstable quality caused by intermittent production when the prior rock wool industry adopts a cupola method to melt raw materials.
Description
Technical Field
The utility model belongs to the technical field of melting furnaces, and particularly relates to a novel melting furnace for rock wool production.
Background
The rock wool industry generally adopts steelmaking type cupola furnace equipment when raw materials are melted, the energy adopted when the raw materials are melted by the existing cupola furnace method is coke, a combustion medium is air, intermittent production is adopted, the production mode and the production equipment are high in energy consumption, high in produced smoke amount and high in produced nitrogen oxide, and therefore a large amount of energy is needed to meet the requirements of production, environmental pollution is high, and quality is unstable due to intermittent production.
Disclosure of Invention
The utility model overcomes the defects of the prior art and provides a novel melting furnace for rock wool production; solves the problems of high energy consumption, large environmental pollution and unstable quality caused by intermittent production when the prior rock wool industry adopts a cupola method to melt raw materials.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme.
The utility model provides a novel melting furnace for rock wool production, including melting furnace body and burning torch, many burning torches set up on the melting furnace body along the border array, be provided with one section horizontally homogenization material way in the lateral wall bottom of melting furnace body, in vertical direction, the outlet pipe of burning torch is inside slope downwards at the melting furnace body, in horizontal direction, the outlet pipe export direction of every burning torch all sets up along the inside virtual tangential of a horizontally of melting furnace body, every burning torch all includes an oxygen inlet pipe, a gas inlet pipe, a condenser tube, a feed chute, the oxygen inlet pipe stretches into the melting furnace body inside, gas inlet pipe, condenser tube cup joints in proper order in the export one end outside of oxygen inlet pipe, the one end that the gas inlet pipe is located the melting furnace body outside is provided with the gas inlet, the one end that the condenser tube is located the melting furnace body outside is provided with cooling water import and cooling water export, the feed chute is located the melting furnace body outside and is linked together with the oxygen inlet pipe inside.
Further, the whole cylinder structure that is of melting furnace body, diameter are 3~8m, and the top is upwards gradually narrowing's conical structure, and conical structure's upper end export is the exhaust port.
Further, the homogenizing material channel is communicated with the bottom of the inner space of the melting furnace body.
Further, the height of the outlet of the burning torch is 0.5 to 1.5m from the height of the inner bottom surface of the melting furnace body.
Further, in the vertical direction, the angle between the outlet pipe of the burning torch and the horizontal plane is 10-20 degrees; in the horizontal direction, the outlet direction of the outlet pipe of each burning gun and the radial angle of the melting furnace body are 15-30 degrees.
Further, the gas inlet pipe is provided with an inlet pipe at one end of the gas inlet, the inner diameter of the inlet pipe is larger than that of the gas inlet pipe, the inlet pipe and the gas inlet pipe are in transitional connection through conical surfaces, and the gas inlet is arranged on the side wall of the inlet pipe.
Further, the gas inlet pipe is kept flush with the outlet end of the oxygen inlet pipe at the outlet end, and the gas inlet pipe is kept open at the outlet end and communicated with the interior of the melting furnace body.
Further, the cooling water inlet is connected with a cooling water inlet pipeline, and the cooling water outlet is connected with a cooling water return pipeline.
Further, the feed chute is of a horn mouth structure, the axis of the feed chute is perpendicular to the axis of the oxygen inlet pipe, and the outlet of the feed chute is communicated with the inside of the oxygen inlet pipe through a communicating pipe.
Further, the axis of the communicating pipe and the oxygen flowing direction inside the oxygen inlet pipe are obtuse angles, and the axis of the communicating pipe and the axis of the feed chute are obtuse angles.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The novel melting furnace provided by the utility model has the advantages that the spiral flame formed by the plurality of full-oxygen strip burning guns which are arranged at a certain angle directly uses oxygen as power, so that the batch is heated more fully and the thermal efficiency is higher, and the energy consumption required by production can be met by using less energy sources;
(2) According to the novel melting furnace provided by the utility model, the batch is heated more fully due to the spiral flame, so that the generation amount of nitrogen oxides can be reduced; meanwhile, the waste heat recovery system, the dust removal system and other related equipment are arranged on the outer side of the smoke outlet of the melting furnace, so that the waste heat is treated and then discharged after reaching standards, the pollutant and smoke dust discharge amount is reduced, and the atmospheric pollution is reduced.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the arrangement of the burning torch in a vertical plane;
FIG. 2 is a schematic view of the arrangement of the burning torch in a horizontal plane;
FIG. 3 is a schematic structural view of the burning torch;
wherein, 1 is a melting furnace body, 2 is a homogenizing material channel, 3 is a smoke outlet, 4 is a burning gun, 5 is a virtual circle, 6 is an oxygen inlet pipe, 7 is a gas inlet pipe, 8 is an inlet pipe, 9 is a gas inlet, 10 is a cooling water pipe, 11 is a cooling water inlet, 12 is a cooling water outlet, 13 is a feeding groove, and 14 is a communicating pipe.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail by combining the embodiments and the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. The following describes the technical scheme of the present utility model in detail with reference to examples and drawings, but the scope of protection is not limited thereto.
As shown in fig. 1-3, the utility model provides a novel melting furnace for rock wool production, which comprises a melting furnace body 1 and burning guns 4, wherein a plurality of burning guns 4 are arranged on the melting furnace body 1 along a circumferential array, and the number of the burning guns 4 is 3-10.
The melting furnace body 1 is integrally of a cylindrical structure, the diameter is 3-8 m, the top end of the melting furnace body is of a conical structure which is gradually narrowed upwards, and an outlet at the upper end of the conical structure is a smoke outlet 3. A section of horizontal homogenizing material channel 2 is arranged at the bottom of the side wall of the melting furnace body 1, and the homogenizing material channel 2 is communicated with the bottom of the inner space of the melting furnace body 1.
The burning torch 4 extends into the melting furnace body 1 from the outer side of the melting furnace body 1, and the height of an outlet of the burning torch 4 is 0.5-1.5 m from the height of the inner bottom surface of the melting furnace body 1. In the vertical direction, the outlet pipe of the burning torch 4 is inclined downward in the melting furnace body 1, and the angle between the outlet pipe and the horizontal plane is 10-20 degrees. In the horizontal direction, the outlet direction of the outlet pipe of each burning gun 4 is tangentially arranged along a horizontal virtual circle 5 inside the melting furnace body 1, the center of the virtual circle 5 is positioned on the axis of the melting furnace body 1, and the radial angle between the outlet direction of the outlet pipe of each burning gun 4 and the melting furnace body 1 is 15-30 degrees.
Each burning torch 4 comprises an oxygen inlet pipe 6, a gas inlet pipe 7, a cooling water pipe 10 and a feeding groove 13.
The oxygen inlet pipe 6 is of a straight pipe structure, one end of the inner side extends into the melting furnace body 1, one end of the outer side is filled with oxygen, and the oxygen is fed into the melting furnace body 1 through the oxygen inlet pipe 6.
The gas inlet pipe 7 is sleeved outside one end of the outlet of the oxygen inlet pipe 6, the length of the gas inlet pipe 7 is smaller than that of the oxygen inlet pipe 6, a gas inlet 9 is arranged on the side wall of one end of the gas inlet pipe 7, and gas is supplied into the gas inlet pipe 7 through the gas inlet 9; the gas inlet pipe 7 is kept flush with the outlet end of the oxygen inlet pipe 6 at the outlet end, and the gas inlet pipe 7 is kept open at the outlet end, communicating with the interior of the melting furnace body 1. On the gas inlet pipe 7, a gas inlet 9 is positioned at the outer side of the melting furnace body 1.
Specifically, the gas inlet pipe 7 is provided with an inlet pipe 8 at one end of the gas inlet 9, the inner diameter of the inlet pipe 8 is larger than that of the gas inlet pipe 7, and the inlet pipe 8 is in transitional connection with the gas inlet pipe 7 through a conical surface. The gas inlet 9 is provided on the side wall of the inlet pipe 8.
The cooling water pipe 10 is sleeved outside one end of the gas inlet pipe 7, one end of the outside and one end of the inside are respectively arranged outside and inside the melting furnace body 1, and one end of the outside and one end of the inside are kept closed. The inner end of the cooling water pipe 10 is flush with the outlet end of the gas inlet pipe 7. The cooling water inlet 11 and the cooling water outlet are symmetrically arranged on two sides of one end of the outer side of the cooling water pipe 10 respectively, the cooling water inlet 11 is connected with a cooling water inlet pipeline, the cooling water outlet 12 is connected with a cooling water return pipeline, and circulation of cooling water in the cooling water pipe 10 is realized through the pipeline connection, so that heat exchange is realized.
The feed chute 13 is provided on the side wall of the inlet end of the oxygen inlet pipe 6 and is located outside the melting furnace body 1. The feed chute 13 is of a horn mouth structure, the axis of the feed chute 13 is perpendicular to the axis of the oxygen inlet pipe 6, and the outlet of the feed chute 13 is communicated with the inside of the oxygen inlet pipe 6 through a communicating pipe 14. The axis of the communicating pipe 14 is obtuse with the oxygen flowing direction inside the oxygen inlet pipe 6, and the axis of the communicating pipe 14 is obtuse with the axis of the feed chute 13.
The working principle of the utility model is as follows:
during production, oxygen with a certain speed enters from the inlet end of the oxygen inlet pipe 6, batch materials formed by various raw materials enter the oxygen inlet pipe 6 from the feed chute 13 and the communicating pipe 14, oxygen is mixed with the oxygen far away from the inside of the oxygen inlet pipe 6 and is sprayed into the melting furnace body 1 together, and meanwhile, the gas is sprayed into the melting furnace body 1 from the outlet end of the gas inlet pipe 7, so that the raw materials, oxygen and gas are fully mixed and combusted integrally in the melting furnace.
Because the burning guns 4 are arranged in the same angle circular array, a spiral flame with the diameter of 1-5 m is formed inside the melting furnace body 1. The batch materials are fully heated and melted in the spiral flame formed by a plurality of burning guns 4, the smoke is spiral and is discharged from a smoke outlet 3 with the top diameter of 0.8-2 m, and the smoke enters relevant equipment such as a corresponding waste heat recovery system, a dust removal system and the like to be treated and then is discharged after reaching standards. The formed melt flows out through a homogenizing material channel 2 with a certain length and width outside the bottom pool and is used for rock wool production and molding.
The spiral flame formed by the plurality of oxygen strip burning guns 4 arranged at a certain angle enables the heating of the batch to be more sufficient and the heat efficiency to be larger.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A novel melting furnace for rock wool production, its characterized in that: including melting furnace body (1) and burning torch (4), many burning torches (4) set up on melting furnace body (1) along the border array, be provided with one section horizontally homogenization material way (2) in the lateral wall bottom of melting furnace body (1), in vertical orientation, the outlet pipe of burning torch (4) is in the inside slope of melting furnace body (1) downwards, in the horizontal orientation, the outlet pipe export orientation of every burning torch (4) all sets up along the tangential of a horizontally virtual circle (5) inside melting furnace body (1), every burning torch (4) all include an oxygen inlet pipe (6), a gas inlet pipe (7), a condenser tube (10), a feed chute (13), oxygen inlet pipe (6) stretch into inside melting furnace body (1), gas inlet pipe (7), condenser tube (10) cup joint in proper order in the export one end outside of oxygen inlet pipe (6), one end that gas inlet pipe (7) are located melting furnace body (1) outside is provided with gas inlet (9), cooling tube (10) are located outside melting furnace body (1) and are located cooling tube (12) outside and are located cooling tube (13) outside cooling tube (1), and cooling tube (12) are located outside cooling tube (13) outside and are located inside cooling tube (1).
2. A novel melting furnace for rock wool production according to claim 1, characterized in that: the melting furnace body (1) is integrally of a cylindrical structure, the diameter of the melting furnace body is 3-8 m, the top end of the melting furnace body is of a conical structure which is gradually narrowed upwards, and an outlet at the upper end of the conical structure is a smoke outlet (3).
3. A novel melting furnace for rock wool production according to claim 1, characterized in that: the homogenizing material channel (2) is communicated with the bottom of the inner space of the melting furnace body (1).
4. A novel melting furnace for rock wool production according to claim 1, characterized in that: the height of the outlet of the burning torch (4) is 0.5 to 1.5m from the height of the inner bottom surface of the melting furnace body (1).
5. A novel melting furnace for rock wool production according to claim 1, characterized in that: in the vertical direction, the angle between an outlet pipe of the burning torch (4) and the horizontal plane is 10-20 degrees; in the horizontal direction, the outlet direction of the outlet pipe of each burning gun (4) and the radial angle of the melting furnace body (1) are 15-30 degrees.
6. A novel melting furnace for rock wool production according to claim 1, characterized in that: the gas inlet pipe (7) is provided with an inlet pipe (8) at one end of the gas inlet (9), the inner diameter of the inlet pipe (8) is larger than that of the gas inlet pipe (7), the inlet pipe (8) and the gas inlet pipe (7) are in transitional connection through conical surfaces, and the gas inlet (9) is arranged on the side wall of the inlet pipe (8).
7. A novel melting furnace for rock wool production according to claim 1, characterized in that: the gas inlet pipe (7) is kept flush with the outlet end of the oxygen inlet pipe (6) at the outlet end, and the gas inlet pipe (7) is kept open at the outlet end and communicated with the interior of the melting furnace body (1).
8. A novel melting furnace for rock wool production according to claim 1, characterized in that: the cooling water inlet (11) is connected with a cooling water inlet pipeline, and the cooling water outlet (12) is connected with a cooling water return pipeline.
9. A novel melting furnace for rock wool production according to claim 1, characterized in that: the feeding chute (13) is of a horn mouth structure, the axis of the feeding chute (13) is perpendicular to the axis of the oxygen inlet pipe (6), and the outlet of the feeding chute (13) is communicated with the inside of the oxygen inlet pipe (6) through a communicating pipe (14).
10. A novel melting furnace for rock wool production according to claim 9, characterized in that: the axis of the communicating pipe (14) is obtuse with the oxygen flowing direction inside the oxygen inlet pipe (6), and the axis of the communicating pipe (14) is obtuse with the axis of the feed chute (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223172749.3U CN219037617U (en) | 2022-11-29 | 2022-11-29 | Novel melting furnace for rock wool production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223172749.3U CN219037617U (en) | 2022-11-29 | 2022-11-29 | Novel melting furnace for rock wool production |
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| Publication Number | Publication Date |
|---|---|
| CN219037617U true CN219037617U (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223172749.3U Active CN219037617U (en) | 2022-11-29 | 2022-11-29 | Novel melting furnace for rock wool production |
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| Country | Link |
|---|---|
| CN (1) | CN219037617U (en) |
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- 2022-11-29 CN CN202223172749.3U patent/CN219037617U/en active Active
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