CN212390853U - Flue gas treatment device for roasting furnace - Google Patents
Flue gas treatment device for roasting furnace Download PDFInfo
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- CN212390853U CN212390853U CN202021103980.5U CN202021103980U CN212390853U CN 212390853 U CN212390853 U CN 212390853U CN 202021103980 U CN202021103980 U CN 202021103980U CN 212390853 U CN212390853 U CN 212390853U
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Abstract
The utility model discloses a roasting furnace flue gas treatment device, which belongs to the technical field of roasting furnaces and comprises a furnace body, at least one burner part, an air pipe component and at least one waste gas pipe component, wherein the burner part is fixed on the side wall of the furnace body and extends into the furnace body; the waste gas pipe assembly is communicated with a waste gas outlet of the furnace body; still include a flue gas treatment component, including a filter element, a heat exchange part and a driver part, filter element and driver part all are fixed in on the furnace body lateral wall, and filter element connects in the output of exhaust pipe subassembly, and the heat exchange part is fixed in driver part one side to communicate with air pipe subassembly. The device can effectively recover heat energy in the waste gas, preheat injected air, shorten roasting time, save energy consumption, effectively filter impurities in the waste gas and improve the environmental protection of the roasting furnace.
Description
Technical Field
The utility model belongs to the technical field of bake burning furnace, in particular to bake burning furnace flue gas processing apparatus over a slow fire.
Background
The roasting furnace is common sintering equipment in industrial production and processing. The calcination reaction is mainly a solid-gas reaction, and sometimes has both solid-solid, solid-liquid and gas-liquid interactions or actions. Roasting is mostly prepared for main smelting operations such as smelting or leaching in the next step, so that a charging preparation process is often adopted in a smelting process, but the roasting can also be used as an enrichment, impurity removal, metal powder preparation or refining process. The roasting furnace can obviously reduce the sintering temperature, greatly reduce the energy consumption, and is greatly helpful for protecting the environment and improving the efficiency.
However, in the sintering process of the existing roasting furnace, certain air needs to be injected, the sintering time of the cooler air is long, the energy consumption is high, the temperature of the waste gas generated in the sintering process of the roasting furnace is high, the heat energy waste can be caused by direct discharge, and meanwhile, the discharged waste gas contains certain impurities, and the direct discharge can cause certain pollution to the environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a roasting furnace flue gas processing apparatus can effectively retrieve the heat energy in the waste gas, preheats the injected air, shortens the calcination time, practices thrift the energy consumption, can effectively filter the impurity in the waste gas, improves the feature of environmental protection of burning the burning furnace over a slow fire.
In order to achieve the above purpose, the solution of the present invention is:
a roasting furnace flue gas treatment device comprises a furnace body, at least one burner part, an air pipe assembly and at least one waste gas pipe assembly, wherein the burner part is fixed on the side wall of the furnace body and extends into the furnace body; the waste gas pipe assembly is communicated with a waste gas outlet of the furnace body;
the flue gas treatment assembly comprises a filtering part, a heat exchange part and a driving part, wherein the filtering part and the driving part are fixed on the outer side wall of the furnace body; the driving part comprises two propellers, a driving shaft, a base and a driving motor, the driving motor is positioned in the base, and the output end of the driving motor is fixed with a driving gear; the driving shaft transversely penetrates through the base, and two ends of the driving shaft respectively extend into the air pipe assembly and the exhaust gas pipe assembly; the two propellers are respectively positioned in the air pipe assembly and the waste gas pipe assembly and are used for pushing gas to flow; and the rotating shafts of the propellers are fixed with linkage gears which are meshed with racks arranged at two ends of the driving shaft.
The burner component comprises a burner, a flow control valve and a gas collecting pipe, wherein the burner is fixed on the surface of the furnace body, the ignition end of the burner is positioned inside the furnace body, and the gas transmission end is positioned outside the furnace body; the gas collecting pipe is communicated with the gas conveying end of the burner, and the other end of the gas collecting pipe is communicated with the air pipe assembly; the flow control valve is positioned in the center of the gas collecting pipe and used for controlling the flow of the fluid in the gas collecting pipe.
The waste gas pipe assembly comprises an air outlet pipe and an exhaust pipe, wherein the air outlet pipe and the exhaust pipe are respectively positioned at two ends of the heat exchange component, the exhaust pipe is communicated with a waste gas outlet of the furnace body, and the air outlet pipe is communicated with ambient air.
The air pipe assembly comprises a gas-air mixing pipe and an air pipe, the gas-air mixing pipe comprises a gas guide pipe and a gas distribution pipe, the gas guide pipe is communicated with the gas distribution pipe, one end of the gas guide pipe is communicated with the heat exchange component, and the other end of the gas guide pipe is communicated with the gas distribution pipe; the output end of the gas distribution pipe is communicated with the gas collecting pipe; the air pipe comprises an air outlet pipe section, an air guide pipe section and an air inlet pipe section, the air outlet pipe section, the air guide pipe section and the air inlet pipe section are sequentially communicated, the air outlet pipe section is communicated with the heat exchange component, and the air inlet pipe section is communicated with ambient air.
The air outlet pipe section, the air guide pipe section and the air inlet pipe section are arranged in a Z-shaped structure.
The heat exchange component comprises a heat exchange coil and a heat exchange box, the heat exchange coil is arranged in the heat exchange box, and two ends of the heat exchange coil are respectively communicated with the gas-air mixing pipe and the air pipe.
The filter unit at least comprises two filter screens, a discharge pipe and a filter box, and the exhaust pipe assembly and the discharge pipe are respectively positioned at two ends of the filter box; the filter screen is inserted in the filter box and used for filtering pollutants in the waste gas.
And sealing bearings are arranged at the joints of the air pipe assembly and the exhaust gas pipe assembly and the driving shaft.
The middle part and the two ends of the driving shaft are respectively provided with an annular thread rack, the annular thread racks in the middle part of the driving shaft are meshed with the driving gear, and the annular thread racks at the two ends of the driving shaft are meshed with the two linkage gears respectively.
The furnace body is provided with a control panel, and the control panel is provided with a display screen and a control button and used for controlling the power-on and power-off of the driving motor.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
(1) by adopting the driving part of the flue gas treatment component, the driving shaft can be effectively driven to rotate by the driving motor of the driving part, so that the linkage gear and the propeller rotate, air is sucked into the air pipe component, waste gas is discharged out of the waste gas pipe component, the flowing speed of the gas is improved, and the aims of quickly feeding and burning air and quickly discharging the waste gas are fulfilled;
(2) by adopting the heat exchange part of the flue gas treatment assembly, waste gas generated after combustion can be effectively sucked into the heat exchange box, and injected air is subjected to heat exchange, so that the temperature of the injected air is increased, the initial combustion temperature of the burner nozzle part is increased, the roasting time is shortened, and the energy consumption is saved;
(3) through the filter unit who adopts the flue gas treatment component, can effectively discharge after filtering in getting into filter unit through the air that the heat traded, effectively strain the pollutant in the waste gas, get rid of impurity and peculiar smell in the waste gas, guarantee the cleanliness factor of exhaust gas, improved the feature of environmental protection of burning a burning furnace over a slow fire.
Drawings
Fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic side sectional view of the present invention;
fig. 3 is a schematic view of the internal structure of the heat exchanging component of the present invention.
Reference numerals:
a furnace body 1;
the burner component 2, the burner 21, the flow control valve 22 and the gas collecting pipe 23;
a gas-air mixing pipe 3, an air duct 31 and a gas distributing pipe 32;
an air outlet pipe 4;
a filter part 5, a filter screen 51, a discharge pipe 52, a filter box 53;
an air pipe 6, an air outlet pipe section 61, an air guide pipe section 62 and an air inlet pipe section 63;
a heat exchange component 7, a heat exchange coil 71 and a heat exchange box 72;
an exhaust pipe 8;
a driving member 9, a propeller 91, a link gear 92, a driving shaft 93, a base 94, a driving gear 95, and a driving motor 96;
a roasting furnace flue gas treatment device 100.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the present invention provides a flue gas treatment device 100 for a roasting furnace, comprising a furnace body 1, two burner components 2, an air pipe component and a waste gas pipe component; the burner nozzle part 2 is fixed on the side wall of the furnace body 1 and extends into the furnace body 1; the air pipe assembly and the waste gas pipe assembly are fixed on the furnace body 1, one end of the air pipe assembly is communicated with the environment, and the other end of the air pipe assembly is communicated with the burner part 2; in this embodiment, the burner part 2 includes a burner tip 21, a flow control valve 22 and a gas collecting pipe 23; the burner 21 is fixed on the surface of the furnace body 1, the ignition end of the burner 21 is positioned inside the furnace body 1, and the gas transmission end is positioned outside the furnace body 1; the gas collecting pipe 23 is communicated with the gas transmission end of the burner 21, and the other end of the gas collecting pipe 23 is communicated with the air pipe assembly; the flow control valve 22 is positioned in the center of the gas collecting pipe 23 and is used for controlling the flow of fluid in the gas collecting pipe 23; the waste gas pipe assembly is communicated with a waste gas outlet of the furnace body 1.
The utility model discloses an improvement point lies in: the device also comprises a smoke processing component; the flue gas treatment assembly comprises a filter part 5, a heat exchange part 7 and a driving part 9, wherein the filter part 5 and the driving part 9 are fixed on the outer side wall of the furnace body 1; the filtering component 5 is connected to the output end of the exhaust pipe assembly; in this embodiment, the filter unit 5 includes three filter screens 51, a discharge pipe 52, and a filter box 53; the offgas duct assembly and the discharge duct 52 are located at both ends of the filter box 53, respectively; the filter screen 51 is inserted in the filter box 53 and used for filtering pollutants in the waste gas and reducing the pollution of impurities in the waste gas to the environment; in this embodiment, the filter screen 51 adopts the active carbon filter screen, effectively gets rid of impurity and peculiar smell in the waste gas, guarantees the cleanliness factor of exhaust gas.
The heat exchange part 7 is fixed on one side of the driving part 9 and is communicated with the air pipe assembly; in this embodiment, the air pipe assembly includes a gas-air mixing pipe 3 and an air pipe 6; the gas-air mixing pipe 3 comprises a gas-guide pipe 31 and a gas-distributing pipe 32; the air duct 31 is communicated with the air distributing pipe 32; one end of the air duct 31 is communicated with the heat exchange part 7, and the other end is communicated with the air distributing pipe 32; the output end of the gas distribution pipe 32 is communicated with the gas collecting pipe 23; the air pipe 6 comprises an air outlet pipe section 61, an air guide pipe section 62 and an air inlet pipe section 63; the air outlet pipe section 61, the air guide pipe section 62 and the air inlet pipe section 63 are sequentially communicated, the air outlet pipe section 61 is communicated with the heat exchange part 7, and the air inlet pipe section 63 is communicated with ambient air; in this embodiment, the air outlet pipe section 61, the air guide pipe section 62 and the air inlet pipe section 63 are arranged in a "Z" shape; in this embodiment, the heat exchanging element 7 includes a heat exchanging coil 71 and a heat exchanging box 72; the heat exchange coil 71 is arranged inside the heat exchange box 72, and two ends of the heat exchange coil 71 are respectively communicated with the gas-air mixing pipe 3 and the air pipe 6; in this embodiment, the exhaust pipe assembly includes an outlet pipe 4 and an exhaust pipe 8; the air outlet pipe 4 and the exhaust pipe 8 are respectively positioned at two ends of the heat exchange component 7; the exhaust pipe 8 is communicated with a waste gas outlet of the furnace body 1; the air outlet pipe 4 is communicated with ambient air, so that the ambient air can be conveniently injected into the burner part 2 for combustion, and waste gas is discharged through the air outlet pipe 4 and the exhaust pipe 8.
In this embodiment, a gas pipe is further connected to the gas-guiding pipe 31, so that the injected air and gas are mixed and then fed into the burner 21 for combustion, thereby realizing the roasting operation of the roasting furnace.
The driving part 9 comprises two propellers 91, a driving shaft 93, a base 94 and a driving motor 96; the driving motor 96 is positioned in the base 94, and the output end of the driving motor 96 is fixed with a driving gear 95; the driving shaft 93 transversely penetrates through the base 94, and two ends of the driving shaft 93 respectively extend into the air inlet pipe section 63 and the exhaust pipe 8 in the air pipe assembly and the exhaust pipe assembly; in this embodiment, the air inlet pipe section 63 and the exhaust pipe section of the air pipe assembly and the exhaust pipe assembly are provided with sealing bearings at the joints of the exhaust pipe 8 and the driving shaft 93, so that the sealing performance of the air pipe assembly and the exhaust pipe assembly is ensured; the two propellers 91 are respectively positioned in the air pipe assembly and the waste gas pipe assembly and are used for pushing gas to flow; a rotating shaft of the propeller 91 is fixed with a linkage gear 92, and the linkage gear 92 is meshed with racks arranged at two ends of a driving shaft 93; in this embodiment, the middle part and the both ends of drive shaft 93 all are equipped with cyclic annular screw rack, and the cyclic annular screw rack and the drive gear 95 intermeshing in the middle part of drive shaft 93, the cyclic annular screw rack at drive shaft 93 both ends respectively with two link gear 92 intermeshing, when being convenient for driving motor 96 to rotate, drive gear 95 drives drive shaft 93 and rotates, and then two screws 91 of interlock rotate, in the air suction air pipe subassembly, and with waste gas exhaust pipe subassembly, realize burning furnace air's injection and the emission of flue gas.
In this embodiment, be equipped with control panel on the furnace body 1, last display screen and the control button of being equipped with of control panel for control drive motor 96 circular telegram outage, and then control drive motor 96 circular telegram work through control panel, make drive motor 96 drive shaft 93 rotate, and then two screw 91 of interlock rotate, with the air suction in the air pipe subassembly, and with waste gas exhaust waste gas pipe subassembly.
When the roasting furnace works, the driving motor 96 is controlled to work through the control panel, so that the driving motor 96 drives the driving gear 95 to rotate and is meshed with the driving shaft 93 to rotate, the driving shaft 93 is further meshed with the linkage gear 92 and the propeller 91 to rotate, air is sucked into the air pipe assembly, waste gas is discharged out of the waste gas pipe assembly, the flowing speed of the gas is improved, and the purposes of quickly feeding and burning air and quickly discharging the waste gas are achieved; at the moment, air enters the heat exchange coil 71 of the heat exchange box 72 through the air pipe 6, is guided into the gas and air mixing pipe 3, is mixed with gas and then is sent into the burner component 2 for combustion; waste gas generated after combustion is sucked into the heat exchange box 72 through the exhaust pipe 8 by the propeller 91, and the injected air is subjected to heat exchange, so that the temperature of the injected air is increased, the initial combustion temperature of the burner part 2 is increased, the roasting time is shortened, and the energy consumption is saved; the air after heat exchange enters the filtering part 5 to be filtered and then discharged, so that pollutants in the waste gas are effectively filtered, impurities and peculiar smell in the waste gas are removed, the cleanliness of the discharged gas is ensured, and the environmental protection of the roasting furnace is improved.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A roasting furnace flue gas treatment device comprises a furnace body, at least one burner part, an air pipe assembly and at least one waste gas pipe assembly, wherein the burner part is fixed on the side wall of the furnace body and extends into the furnace body; the waste gas pipe assembly is communicated with a waste gas outlet of the furnace body; the method is characterized in that:
the flue gas treatment assembly comprises a filtering part, a heat exchange part and a driving part, wherein the filtering part and the driving part are fixed on the outer side wall of the furnace body; the driving part comprises two propellers, a driving shaft, a base and a driving motor, the driving motor is positioned in the base, and the output end of the driving motor is fixed with a driving gear; the driving shaft transversely penetrates through the base, and two ends of the driving shaft respectively extend into the air pipe assembly and the exhaust gas pipe assembly; the two propellers are respectively positioned in the air pipe assembly and the waste gas pipe assembly and are used for pushing gas to flow; and the rotating shafts of the propellers are fixed with linkage gears which are meshed with racks arranged at two ends of the driving shaft.
2. A flue gas treatment apparatus for a roasting furnace according to claim 1, wherein: the burner component comprises a burner, a flow control valve and a gas collecting pipe, the burner is fixed on the surface of the furnace body, the ignition end of the burner is positioned in the furnace body, and the gas transmission end is positioned outside the furnace body; the gas collecting pipe is communicated with the gas conveying end of the burner, and the other end of the gas collecting pipe is communicated with the air pipe assembly; the flow control valve is positioned in the center of the gas collecting pipe and used for controlling the flow of the fluid in the gas collecting pipe.
3. A flue gas treatment apparatus for a roasting furnace according to claim 2, wherein: the waste gas pipe assembly comprises an air outlet pipe and an exhaust pipe, the air outlet pipe and the exhaust pipe are respectively positioned at two ends of the heat exchange component, the exhaust pipe is communicated with a waste gas outlet of the furnace body, and the air outlet pipe is communicated with ambient air.
4. A flue gas treatment apparatus for a roasting furnace according to claim 2, wherein: the air pipe assembly comprises a gas-air mixing pipe and an air pipe, the gas-air mixing pipe comprises a gas guide pipe and a gas distribution pipe, the gas guide pipe is communicated with the gas distribution pipe, one end of the gas guide pipe is communicated with the heat exchange component, and the other end of the gas guide pipe is communicated with the gas distribution pipe; the output end of the gas distribution pipe is communicated with the gas collecting pipe; the air pipe comprises an air outlet pipe section, an air guide pipe section and an air inlet pipe section, the air outlet pipe section, the air guide pipe section and the air inlet pipe section are sequentially communicated, the air outlet pipe section is communicated with the heat exchange component, and the air inlet pipe section is communicated with ambient air.
5. The roasting furnace flue gas treatment device according to claim 4, wherein: the air outlet pipe section, the air guide pipe section and the air inlet pipe section are arranged in a Z-shaped structure.
6. The roasting furnace flue gas treatment device according to claim 4, wherein: the heat exchange component comprises a heat exchange coil and a heat exchange box, the heat exchange coil is arranged in the heat exchange box, and two ends of the heat exchange coil are respectively communicated with the gas-air mixing pipe and the air pipe.
7. A flue gas treatment apparatus for a roasting furnace according to claim 1, wherein: the filter unit at least comprises two filter screens, a discharge pipe and a filter box, and the waste gas pipe assembly and the discharge pipe are respectively positioned at two ends of the filter box; the filter screen is inserted in the filter box and used for filtering pollutants in the waste gas.
8. A flue gas treatment apparatus for a roasting furnace according to claim 1, wherein: and sealing bearings are arranged at the joints of the air pipe assembly and the driving shaft and the joints of the exhaust gas pipe assembly and the driving shaft.
9. The flue gas treatment device for the roasting furnace according to claim 8, wherein: the middle part and the two ends of the driving shaft are respectively provided with an annular thread rack, the annular thread racks in the middle part of the driving shaft are meshed with the driving gear, and the annular thread racks at the two ends of the driving shaft are meshed with the two linkage gears respectively.
10. A flue gas treatment apparatus for a roasting furnace according to claim 1, wherein: the furnace body is provided with a control panel, and the control panel is provided with a display screen and a control button and is used for controlling the power-on and power-off of the driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021103980.5U CN212390853U (en) | 2020-06-15 | 2020-06-15 | Flue gas treatment device for roasting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021103980.5U CN212390853U (en) | 2020-06-15 | 2020-06-15 | Flue gas treatment device for roasting furnace |
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| CN212390853U true CN212390853U (en) | 2021-01-22 |
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| CN202021103980.5U Active CN212390853U (en) | 2020-06-15 | 2020-06-15 | Flue gas treatment device for roasting furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578729A (en) * | 2020-06-15 | 2020-08-25 | 德亚炉业科技江苏有限公司 | Flue gas treatment device for roasting furnace |
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2020
- 2020-06-15 CN CN202021103980.5U patent/CN212390853U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578729A (en) * | 2020-06-15 | 2020-08-25 | 德亚炉业科技江苏有限公司 | Flue gas treatment device for roasting furnace |
| CN111578729B (en) * | 2020-06-15 | 2024-06-25 | 德亚炉业科技江苏有限公司 | Roasting furnace flue gas treatment device |
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