CN218723050U - Static roasting furnace containing chromium-aluminum-vanadium mud - Google Patents
Static roasting furnace containing chromium-aluminum-vanadium mud Download PDFInfo
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- CN218723050U CN218723050U CN202122800519.6U CN202122800519U CN218723050U CN 218723050 U CN218723050 U CN 218723050U CN 202122800519 U CN202122800519 U CN 202122800519U CN 218723050 U CN218723050 U CN 218723050U
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Abstract
The utility model discloses a static state of containing chromium aluminium vanadium mud bakes burning furnace over a slow fire, include: the furnace body is in a hollow circular ring shape, and a preheating zone, a high-temperature zone, a cooling zone and a discharging zone are sequentially arranged in the furnace body in an anticlockwise order; the hearth is in an annular plate shape and is rotatably connected to the bottom of the inner side of the furnace body; the inlet of the feeding device is fixedly connected with a feeding bin, the outlet of the feeding device is positioned in the preheating zone, and the feeding device is fixedly connected with the furnace body; the plurality of electric heating devices are symmetrically distributed in the high-temperature area and are respectively fixedly connected with the furnace body; and an input port of the discharging device is positioned in the discharging area, and the discharging device is fixedly connected with the furnace body. The utility model discloses have the beneficial effect that reduces the cost of labor, reduces the place and occupies, reduces the consumption of non renewable energy, reduces carbon emission.
Description
Technical Field
The utility model relates to a bake burning furnace over a slow fire, more specifically the utility model relates to a static state of chromium-aluminum-vanadium-containing mud over a slow fire burning furnace over a slow fire.
Background
The chromium-aluminum-vanadium-containing mud is waste in industrial production, wherein chromium and vanadium have toxicity and easily cause environmental pollution. The chromium-containing aluminum vanadium mud also contains a large amount of aluminum which needs to be recovered. Therefore, the method for removing chromium and vanadium from the chromium-containing aluminum vanadium mud and recovering metal aluminum not only can solve the problem of environmental pollution, but also can bring considerable economic benefits.
In the prior art, the chromium-aluminum-vanadium-containing mud is dynamically roasted by adopting a rotary kiln, and the rotary kiln has the following defects: the volume is long, and the occupied space is large; the heat loss is large; the energy consumption is large; the process is long and the number of operators is large. The natural gas which is used as a main energy source belongs to non-renewable energy sources, the reaction of consumed oxygen on materials is unstable, and the carbon emission is large. The static roasting furnace containing the chromium-aluminum-vanadium mud is simple in process, small in occupied space, low in carbon emission and low in electric energy consumption, does not consume non-renewable energy sources, and is particularly important.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a static roasting furnace containing aluminumoxystone, comprising:
the furnace body is in a hollow circular ring shape, and a preheating zone, a high-temperature zone, a cooling zone and a discharging zone are sequentially arranged in the furnace body in an anticlockwise order;
the hearth is in an annular plate shape and is rotatably connected to the bottom of the inner side of the furnace body;
the inlet of the feeding device is fixedly connected with a feeding bin, the outlet of the feeding device is positioned in the preheating zone, and the feeding device is fixedly connected with the furnace body;
the plurality of electric heating devices are symmetrically distributed in the high-temperature area and are respectively fixedly connected with the furnace body;
and an input port of the discharging device is positioned in the discharging area, and the discharging device is fixedly connected with the furnace body.
Preferably, the waste heat utilization device further comprises a waste heat utilization device, wherein an input port of the waste heat utilization device is communicated with a flue gas waste heat recovery pipeline, the flue gas waste heat recovery pipeline is communicated with a high-temperature fan, and the high-temperature fan is communicated with the furnace body corresponding to the cooling area; a heat output port of the waste heat utilization device is connected with a heat transmission pipeline, the other end of the heat transmission pipeline is communicated with the furnace body, and the other end of the heat transmission pipeline is positioned in the preheating zone; the heat transmission pipeline is also provided with a branch pipe, and the branch pipe is communicated with the feeding bin.
Preferably, the waste heat recovery device further comprises a tail gas treatment device, an input port of the tail gas treatment device is communicated with a tail gas discharge port of the waste heat utilization device, and an output port of the tail gas treatment device is communicated with a chimney.
Preferably, the hearth is rotatably connected to the bottom of the inner side of the furnace body in a manner that: the bottom of furnace uses the centre of a circle of furnace as central integrated into one piece protrusion and is provided with cyclic annular bevel gear, the bottom of furnace body is a plurality of synchronous machine of fixedly connected with of symmetry all around, and is a plurality of synchronous machine is connected with a plurality of bevel gear that the specification is the same, and is a plurality of bevel gear with cyclic annular bevel gear transmission is connected.
Preferably, the high-temperature fan is a variable-frequency high-temperature fan.
Preferably, a plurality of the synchronous motors are all set as variable frequency synchronous motors, and the rotating speed of the variable frequency synchronous motors is set to be 20-40 r/min.
Preferably, the temperature generated by the plurality of electric heating devices is set to 900-1500 ℃.
Preferably, a partition wall is arranged between the discharging zone and the preheating zone, and the partition wall is fixedly connected with the furnace body.
Preferably, wherein the feeding device is provided as a metered feeding device.
The utility model discloses at least, include following beneficial effect:
one of them, the utility model discloses, the process is simple, take up an area of the space little, do not consume the non renewable energy, the carbon emission is low, only consume the electric energy source, have the beneficial effect that reduces the cost of labor, reduces the place and occupy, reduce the consumption of the non renewable energy, reduce the carbon emission.
And secondly, through the utility model discloses the waste heat utilization device who sets up carries the high-temperature gas of cooling space to preheating space and feeding storehouse through high temperature fan and treats the chromium-containing aluminum vanadium mud of calcination and preheat, has reduced energy resource consumption and has accelerated the cooling time of chromium-containing aluminum vanadium mud after the cooling space calcination.
Thirdly, through the tail gas treatment device, poisonous and harmful gas generated by roasting the chromium-aluminum-vanadium-containing mud in the furnace body is purified and then discharged through a chimney, and the method has the advantage of preventing environmental pollution.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structure schematic diagram of the furnace chamber and the furnace body of the utility model.
Fig. 3 is a schematic view of the connection between the furnace chamber and the furnace body of the utility model.
The specific implementation mode is as follows:
the present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that in the description of the present invention, the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or a connection between two elements, and those skilled in the art will understand the specific meaning of the terms in the present invention in a specific context.
Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature in direct contact with the first and second features, or in indirect contact with the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Fig. 1 shows an implementation form of the present invention, which includes:
the furnace body 1 is in a hollow circular ring shape, and a preheating zone 11, a high-temperature zone 12, a cooling zone 13 and a discharging zone 14 are sequentially arranged in the furnace body 1 in a counterclockwise sequence;
the hearth 2 is in an annular plate shape, and the hearth 2 is rotatably connected to the bottom of the inner side of the furnace body 1; the hearth 2 has the function of anticlockwise rotating in the furnace body 1, and conveys the roasted chromium-aluminum-vanadium-containing mud through a preheating zone 11, a high-temperature zone 12, a cooling zone 13 and a discharging zone 14 in sequence.
The input port of the feeding device 4 is fixedly connected with a feeding bin 41, the output port of the feeding device 4 is positioned in the preheating zone 11, and the feeding device 4 is fixedly connected with the furnace body 1; the feeding device 4 is used for conveying the chromium-aluminum-vanadium-containing mud in the feeding bin 41 to the hearth 2 and is positioned in a preheating zone in the furnace body 1.
The plurality of electric heating devices 5 are symmetrically distributed in the high-temperature area 12, and the plurality of electric heating devices 5 are respectively and fixedly connected with the furnace body 1; the plurality of electric heating devices 5 are used for generating high temperature in the high-temperature area 12 to roast the chromium-aluminum-vanadium-containing mud conveyed from the hearth 2.
And the input port of the discharging device 6 is positioned in the discharging area 14, and the discharging device 6 is fixedly connected with the furnace body 1. The discharging device 6 is used for conveying the roasted and cooled chromium-aluminum-containing vanadium mud out of the furnace body 1.
The working principle is as follows: the chromium-aluminum-vanadium-containing mud to be roasted is injected into the feeding bin 41, the chromium-aluminum-vanadium-containing mud to be roasted is conveyed to the preheating zone 11 on the hearth 2 and in the furnace body 1 through the feeding device 4, the hearth 2 drives the chromium-aluminum-vanadium-containing mud to enter the high-temperature zone 12 when rotating anticlockwise in the furnace body 1, and the chromium-aluminum-vanadium-containing mud is roasted through high temperature generated by the plurality of electric heating devices 5. After the chromium-aluminum-vanadium-containing mud is roasted, the roasted mud enters a cooling zone 13 to be cooled under the drive of a hearth 2, and after the roasted chromium-aluminum-vanadium-containing mud is cooled at the temperature, the roasted mud enters a discharging zone 14 under the drive of the hearth 2 and is conveyed out of the furnace body 1 through a discharging device 6. In the technical scheme, the process is simple, the occupied space is small, the non-renewable energy is not consumed, the carbon emission is low, only the electric energy source is consumed, and the method has the advantages of reducing labor cost, reducing occupied space, reducing consumption of the non-renewable energy and reducing carbon emission.
In the above scheme, the waste heat utilization device 8 is further provided, an input port of the waste heat utilization device is communicated with a flue gas waste heat recovery pipeline 81, the flue gas waste heat recovery pipeline 81 is communicated with a high temperature fan 7, and the high temperature fan 7 is communicated with the furnace body 1 corresponding to the cooling area 13; a heat output port of the waste heat utilization device 8 is connected with a heat transmission pipeline 82, the other end of the heat transmission pipeline 82 is communicated with the furnace body 1, and the other end of the heat transmission pipeline 82 is positioned in the preheating zone 11; the heat transmission pipeline 82 is further provided with a branch pipe 83, and the branch pipe 83 is communicated with the feeding bin 41.
The working principle is as follows: when the high-temperature fan 7 is started, the air flow of the cooling zone 13 is accelerated, high-temperature gas and harmful flue gas generated by the roasted chromium-aluminum-containing vanadium mud are conveyed to the waste heat utilization device 8 through the flue gas waste heat recovery pipeline 81, the waste heat utilization device 8 conveys the waste heat into the preheating zone 11 and the feeding bin 41 through the heat conveying pipeline 82 and the branch pipes 83 respectively to preheat the chromium-aluminum-containing vanadium mud to be roasted, and the beneficial effects of heat recycling and resource consumption reduction are achieved. Also, this manner is merely an illustration of a preferred example, but not limited thereto. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
According to the scheme, the waste heat recovery device further comprises a tail gas treatment device 9, wherein an input port of the tail gas treatment device 9 is communicated with a tail gas discharge port of the waste heat utilization device 8, and an output port of the tail gas treatment device 9 is communicated with a chimney 91. Harmful flue gas absorbed by the waste heat utilization device 8 is purified through the tail gas treatment device 9, and is discharged through the chimney 91, so that the environment pollution caused by the harmful flue gas is prevented. Also, this manner is merely an illustration of a preferred example, but not limited thereto. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
In the above scheme, the mode that the furnace 2 is rotatably connected to the inner bottom of the furnace body 1 is as follows: the bottom of furnace 2 uses the centre of a circle of furnace 2 as central integrated into one piece protrusion and is provided with cyclic annular bevel gear 21, the bottom of furnace body 1 is a plurality of synchronous machine 3 of fixedly connected with of symmetry all around, and is a plurality of synchronous machine 3 is connected with a plurality of bevel gear 31 that the specification is the same, and is a plurality of bevel gear 31 with cyclic annular bevel gear 21 transmission is connected. When the synchronous motors 3 rotate simultaneously in the mode, the hearth 2 is driven to rotate slowly anticlockwise through the difference of the tooth numbers between the bevel gear 31 and the annular bevel gear 21, and the method has the advantages of ensuring that the hearth 2 can uniformly rotate and ensuring the roasting effect. Also, this manner is merely an illustration of a preferred example, but not limited thereto. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
In the above solution, the high temperature fan 7 is a variable frequency high temperature fan. By adopting the method, the cooling time of the roasted chromium-aluminum-containing vanadium mud can be adjusted according to actual requirements, and the preheating speed of the chromium-aluminum-containing vanadium mud to be roasted in the preheating zone 11 and the feeding bin 41 can be adjusted. Also, this manner is merely an illustration of a preferred example, but not limited thereto. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
In the above scheme, a plurality of synchronous motors 3 are all set as variable frequency synchronous motors, and the rotating speed of the variable frequency synchronous motors 3 is set to be 20-40 r/min. The method has the advantages that the rotating speed of the hearth 2 can be adjusted according to the use requirement, and the roasting effect is guaranteed. Also, this manner is merely an illustration of a preferred example, but not limited thereto. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
In the above solution, the temperature generated by the plurality of electric heaters 5 is set to 900 to 1500 ℃. The scheme has the advantage of ensuring the roasting effect of the chromium-aluminum-vanadium-containing mud. Also, this manner is merely an illustration of a preferred example, but not limited thereto. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
In the above solution, a partition wall 15 is disposed between the discharging zone 14 and the preheating zone 11, and the partition wall 15 is fixedly connected with the furnace body 1. In this way, the temperature and the gas between the discharging zone 14 and the preheating zone 11 are isolated, and the roasting effect is guaranteed. Also, this manner is merely an illustration of a preferred example, but not limited thereto. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
In the above solution, the feeding device 4 is provided as a metering feeding device. The method has the advantages that the method is convenient for workers to control the feeding amount of the chromium-aluminum-vanadium-containing mud, and the roasting effect of the chromium-aluminum-vanadium-containing mud is ensured. Also, this manner is merely an illustration of a preferred example, but not limited thereto. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (9)
1. A static roasting furnace containing chromium-aluminum-vanadium mud is characterized by comprising:
the furnace body is in a hollow circular ring shape, and a preheating zone, a high-temperature zone, a cooling zone and a discharging zone are sequentially arranged in the furnace body in an anticlockwise order;
the hearth is in an annular plate shape and is rotatably connected to the bottom of the inner side of the furnace body;
the inlet of the feeding device is fixedly connected with a feeding bin, the outlet of the feeding device is positioned in the preheating zone, and the feeding device is fixedly connected with the furnace body;
the plurality of electric heating devices are symmetrically distributed in the high-temperature area and are respectively fixedly connected with the furnace body;
and an input port of the discharging device is positioned in the discharging area, and the discharging device is fixedly connected with the furnace body.
2. The static roasting furnace containing chromium-aluminum-vanadium mud according to claim 1, further comprising a waste heat utilization device, wherein an input port of the waste heat utilization device is communicated with a flue gas waste heat recovery pipeline, the flue gas waste heat recovery pipeline is communicated with a high temperature fan, and the high temperature fan is communicated with the furnace body corresponding to the cooling zone; a heat output port of the waste heat utilization device is connected with a heat transmission pipeline, the other end of the heat transmission pipeline is communicated with the furnace body, and the other end of the heat transmission pipeline is positioned in the preheating zone; the heat transmission pipeline is also provided with a branch pipe, and the branch pipe is communicated with the feeding bin.
3. The static roasting furnace containing chromium-aluminum-vanadium mud according to claim 2, further comprising a tail gas treatment device, wherein an input port of the tail gas treatment device is communicated with a tail gas discharge port of the waste heat utilization device, and an output port of the tail gas treatment device is communicated with a chimney.
4. The static roasting furnace containing chromium-aluminum-vanadium mud according to claim 1, wherein the hearth is rotatably connected to the inner bottom of the furnace body in a manner that: the bottom of furnace uses the centre of a circle of furnace as central integrated into one piece protrusion and is provided with cyclic annular conical gear, the bottom of furnace body is a plurality of synchronous machine of fixedly connected with of symmetry all around, and is a plurality of synchronous machine is connected with a plurality of conical gear that the specification is the same, and is a plurality of conical gear with cyclic annular conical gear transmission is connected.
5. The static roasting furnace for chromium-aluminum-vanadium-containing sludge as claimed in claim 2, wherein the high-temperature fan is a variable-frequency high-temperature fan.
6. The static roasting furnace containing the chromium-aluminum-vanadium mud as claimed in claim 4, wherein a plurality of the synchronous motors are frequency conversion synchronous motors, and the rotating speed of the frequency conversion synchronous motors is set to be 20-40 r/min.
7. The static roasting furnace for chromium-aluminum-vanadium-containing sludge as claimed in claim 1, wherein the temperature generated by the plurality of electric heating means is set to 900 to 1500 ℃.
8. The static roasting furnace for chromium-aluminum-vanadium-containing sludge as claimed in claim 1, wherein a partition wall is arranged between the discharging zone and the preheating zone, and the partition wall is fixedly connected with the furnace body.
9. The static baking furnace for chromium-aluminum-vanadium-containing sludge as claimed in claim 1, wherein the feeding device is configured as a metering feeding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122800519.6U CN218723050U (en) | 2021-11-11 | 2021-11-11 | Static roasting furnace containing chromium-aluminum-vanadium mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122800519.6U CN218723050U (en) | 2021-11-11 | 2021-11-11 | Static roasting furnace containing chromium-aluminum-vanadium mud |
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| CN218723050U true CN218723050U (en) | 2023-03-24 |
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| CN202122800519.6U Active CN218723050U (en) | 2021-11-11 | 2021-11-11 | Static roasting furnace containing chromium-aluminum-vanadium mud |
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