CN215610473U - Lime production exhaust treatment device - Google Patents
Lime production exhaust treatment device Download PDFInfo
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- CN215610473U CN215610473U CN202121259759.3U CN202121259759U CN215610473U CN 215610473 U CN215610473 U CN 215610473U CN 202121259759 U CN202121259759 U CN 202121259759U CN 215610473 U CN215610473 U CN 215610473U
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Abstract
The utility model relates to a lime production waste gas treatment device, which comprises: compared with the prior art, the lime rotary kiln comprises a lime rotary kiln, a first smoke exhaust pipeline, a heat insulation wall, a smoke radiator, a dust collector smoke inlet pipeline, a dust collector, a second smoke exhaust pipeline, a spray tower, a third smoke exhaust pipeline, a mixing chamber, a fourth smoke exhaust pipeline and a filter, wherein the heat insulation wall is arranged to prevent the smoke radiator from being in direct contact with the lime rotary kiln, the first smoke exhaust pipeline is arranged in the heat insulation wall in a penetrating mode and communicated with a radiator interface of the smoke radiator, so that the process that smoke directly enters the radiator is delayed, the working efficiency of the smoke radiator is improved to a certain extent, and the service life of the smoke radiator is prolonged to a certain extent; simultaneously through setting up the mixing chamber, can carry out neutralization treatment to the flue gas at the spray column after handling flue gas desorption sulfur dioxide/other harmful gas for the filter is more thorough to the gas fume smell filterable.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment devices, in particular to a lime production waste gas treatment device.
Background
The lime rotary kiln is used in the lime production process, flue gas is generated in the lime rotary kiln in the material drying process, high-temperature flue gas exchanges heat with the material in the drying cylinder, the material bears heat, the temperature of the material is increased, water is evaporated along with the increase of the temperature, the flue gas is gradually cooled and finally discharged from the tail of the lime rotary kiln, the flue gas is recycled by a dust removal device or is directly discharged into the atmosphere after being discharged, and the flue gas contains components harmful to the air, so that the conventional lime production waste gas treatment device is generally provided with the dust removal device at the tail of the lime rotary kiln, the flue gas is prevented from being directly discharged into the air, the atmospheric pollution is reduced, most of combustion materials used in the lime production process of the conventional lime rotary kiln are coal, bituminous coal or anthracite or other coal can be used in the production process, and the conventional lime production waste gas treatment device cannot sufficiently treat the flue gas, the treatment effect is not good.
SUMMERY OF THE UTILITY MODEL
To this end, the utility model provides a lime production waste gas treatment device to solve and optimize the problems mentioned in the background above.
The utility model provides a lime production waste gas treatment device, which comprises: the lime rotary kiln comprises a lime rotary kiln, a first smoke exhaust pipeline, a heat insulation wall, a smoke radiator, a dust collector smoke inlet pipeline, a dust collector, a second smoke exhaust pipeline, a spray tower, a third smoke exhaust pipeline, a mixing chamber, a fourth smoke exhaust pipeline and a filter, wherein the first smoke exhaust pipeline is arranged on one side of the lime rotary kiln, one part of the first smoke exhaust pipeline is arranged in the heat insulation wall in a penetrating mode, a radiator connector is arranged on one side of the smoke radiator, a heat exchange pipeline is arranged on the other side, opposite to the radiator connector, of the smoke radiator, the radiator connector is connected with the first smoke exhaust pipeline, one end of the heat exchange pipeline is connected with the dust collector smoke inlet pipeline, the dust collector smoke inlet pipeline is arranged on one side of the dust collector, the second smoke exhaust pipeline is arranged on the top of the dust collector, one end of the second smoke exhaust pipeline is connected with the spray tower in a penetrating mode, and the third smoke exhaust pipeline is arranged on the top of the spray tower, third exhaust pipe one end with the mixing chamber lateral wall links to each other, and the installation the third exhaust pipe is relative the mixing chamber lateral wall is installed the fourth exhaust pipe, fourth exhaust pipe one end is connected and is installed the filter.
Further, the dust remover includes:
the supporting frame is arranged on the dust remover and used for assisting in supporting the vertical placement of the dust remover;
the dust exhaust port is arranged at the bottom of the dust remover;
and the dust collection bin is arranged at a specified position at the bottom of the dust exhaust port.
Furthermore, a plurality of adsorption chambers are arranged in the spray tower, spray heads are respectively arranged in the adsorption chambers, and the default spray liquid in the spray tower is an alkaline solution mixed with water.
Further, a blower is arranged between the spray tower and the mixing chamber, and a blower pipeline is installed on the blower.
Furthermore, a splitter plate is arranged in the third smoke exhaust pipeline, the third smoke exhaust pipeline is divided into an upper layer and a lower layer by the splitter plate, and the outer wall of the lower layer of the third smoke exhaust pipeline is communicated with the air blower pipeline.
Further, the filter includes:
a bracket mounted at the filter bottom;
a discharge duct installed at one side of the filter;
a chimney which is connected and arranged on the discharge pipeline;
and the induced draft fan is arranged at the top of the chimney.
Compared with the prior art, the heat insulation wall is arranged, so that the flue gas radiator is prevented from being in direct contact with the lime rotary kiln, the first smoke exhaust pipeline penetrates through the heat insulation wall and is communicated with the radiator interface of the flue gas radiator, the process that the flue gas directly enters the radiator is delayed, the working efficiency of the flue gas radiator is improved to a certain extent, and the service life of the flue gas radiator is prolonged to a certain extent; simultaneously through setting up the mixing chamber, can carry out neutralization treatment to the flue gas at the spray column after handling flue gas desorption sulfur dioxide/other harmful gas for the filter is more thorough to the gas fume smell filterable.
Drawings
FIG. 1 is a schematic view of the overall structure of a lime production waste gas treatment device according to the present invention;
fig. 2 is a working principle diagram of a lime production waste gas treatment device according to the utility model.
Detailed Description
In order that the objects and advantages of the utility model will be more clearly understood, the utility model is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the 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, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail with reference to the accompanying drawings.
Please refer to fig. 1 and fig. 2, which are schematic structural diagrams of a lime production waste gas treatment device according to the present invention, including a lime rotary kiln 1, a heat insulation wall 2, a first exhaust pipe 3, a radiator connector 4, a flue gas radiator 5, a heat exchange pipe 6, a dust collector smoke inlet pipe 7, a dust collector 8, a support frame 9, a dust exhaust port 10, a dust collection bin 11, a second exhaust pipe 12, a spray tower 13, an adsorption chamber 14, a spray head 15, a third exhaust pipe 16, a splitter plate 17, a blower 18, a blower pipe 19, a mixing chamber 20, a fourth exhaust pipe 21, a filter 22, a support 23, an exhaust pipe 24, a chimney 25, and an induced draft fan 26, wherein the first exhaust pipe 3 is disposed on one side of the lime rotary kiln 1, a part of the first exhaust pipe 3 is disposed in the heat insulation wall 2, the radiator connector 4 is disposed on one side of the flue gas radiator 5, a heat exchange pipeline 6 is arranged on the other side of the flue gas radiator 5 opposite to the radiator interface 4, the radiator interface 4 is connected with the first smoke exhaust pipeline 3, one end of the heat exchange pipeline 6 is connected with the dust remover smoke inlet pipeline 7, the dust remover smoke inlet pipeline 7 is arranged on one side of the dust remover 8, a second smoke exhaust pipeline 12 is arranged on the top of the dust remover 8, one end of the second smoke exhaust pipeline 12 is connected with the spray tower 13 in a penetrating manner, a third smoke exhaust pipeline 16 is arranged on the top of the spray tower 13, one end of the third smoke exhaust pipeline 16 is connected with the side wall of the mixing chamber 20, a fourth smoke exhaust pipeline 21 is arranged on the side wall of the mixing chamber 20 opposite to the third smoke exhaust pipeline 16, and one end of the fourth smoke exhaust pipeline 21 is connected with the filter 22; the dust remover 8 is a cyclone dust remover, and the dust remover 8 comprises: the supporting frame 9 is arranged on the dust remover 8 and used for assisting in supporting the vertical placement of the dust remover 8; a dust discharge port 10 arranged at the bottom of the dust remover 8; a dust collection bin 11 arranged at a designated position at the bottom of the dust discharge port 10; a plurality of adsorption chambers 14 are arranged in the spray tower 13, and spray heads 15 are respectively arranged in the adsorption chambers 14; a blower 18 is arranged between the spray tower 13 and the mixing chamber 20, and a blower pipeline 19 is arranged on the blower 18; a splitter plate 17 is arranged in the third smoke exhaust pipeline 16, the third smoke exhaust pipeline 16 is divided into an upper layer and a lower layer by the splitter plate 17, and the outer wall of the lower layer of the third smoke exhaust pipeline 16 is communicated with the blower pipeline 19; the filter 22 includes: a bracket 23 installed at the bottom of the filter 22; a discharge duct 24 installed at one side of the filter 22; a chimney 25 connectively disposed on the discharge duct 24; and the induced draft fan 26 is arranged at the top of the chimney 25.
When the device is operated, hot flue gas containing dust generated by combustion in the lime rotary kiln 1 passes through the heat insulation wall 2 via the first smoke exhaust pipeline 3 to enter the radiator interface 4 and then enters the inside of the flue gas radiator 5 via the radiator interface 4, the flue gas after heat exchange treatment of the hot flue gas containing dust is carried out by the flue gas radiator 5 to enter the flue gas inlet pipeline 7 of the dust remover via the heat exchange pipeline 6 and then is sent into the dust remover 8 via the flue gas inlet pipeline 7 of the dust remover, the dust remover 8 is a cyclone dust remover, the dust removing mechanism is that the airflow containing dust flue gas makes rotary motion, dust particles are separated from the airflow containing dust flue gas by means of centrifugal force and collected on the wall of the flue gas, then the dust particles in the airflow containing dust flue gas are removed into the dust collecting bin 11 at the bottom of the dust remover 8 by means of gravity, the flue gas after dust removal enters the spray tower 13 via the second smoke exhaust pipeline 12, and spray liquid adopted by the spray tower 13 needs to be added according to the combustion material in the lime rotary kiln 1, after dust removal, flue gas is sprayed out of the adsorption chamber 14 in the spray tower 13 and the spray head 15 to be subjected to alkaline spray matching treatment, then enters the mixing chamber 20 through the upper third smoke exhaust pipeline 16 after being shunted by the shunting plate 17 through the third smoke exhaust pipeline 16, meanwhile, the air blower 18 sucks external air, enters the lower third smoke exhaust pipeline 16 after being shunted by the shunting plate 17 through the air blower pipeline 19, enters the mixing chamber 20 to be mixed with the flue gas, the neutralized flue gas passes through the fourth smoke exhaust pipeline 21 and enters the filter 22 to be subjected to filtering treatment, the filtered flue gas enters the flue gas 25 through the exhaust pipeline 24, and the filtered flue gas is discharged by the induced draft fan 26 after being pumped out.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A lime production waste gas treatment device is characterized by comprising a lime rotary kiln, a first smoke exhaust pipeline, a heat insulation wall, a smoke radiator, a dust collector smoke inlet pipeline, a dust collector, a second smoke exhaust pipeline, a spray tower, a third smoke exhaust pipeline, a mixing chamber, a fourth smoke exhaust pipeline and a filter, wherein the first smoke exhaust pipeline is arranged on one side of the lime rotary kiln, one part of the first smoke exhaust pipeline penetrates through the heat insulation wall, a radiator connector is arranged on one side of the smoke radiator, a heat exchange pipeline is arranged on the other side, opposite to the radiator connector, of the smoke radiator, the radiator connector is connected with the first smoke exhaust pipeline, one end of the heat exchange pipeline is connected with the dust collector smoke inlet pipeline, the dust collector smoke inlet pipeline is arranged on one side of the dust collector, the second smoke exhaust pipeline is arranged at the top of the dust collector, one end of the second smoke exhaust pipeline penetrates through the spray tower, the utility model discloses a filter, including spraying tower, mixing chamber, third exhaust pipe one end with mixing chamber lateral wall links to each other, and with the installation the third exhaust pipe is relative mixing chamber lateral wall installs the fourth exhaust pipe, fourth exhaust pipe one end is connected and is installed the filter.
2. The lime production waste gas treatment device according to claim 1, wherein the dust remover is a cyclone dust remover, and the dust remover comprises:
the supporting frame is arranged on the dust remover and used for assisting in supporting the vertical placement of the dust remover;
the dust exhaust port is arranged at the bottom of the dust remover;
and the dust collection bin is arranged at a specified position at the bottom of the dust exhaust port.
3. The lime production waste gas treatment device according to claim 1, wherein a plurality of adsorption chambers are arranged in the spray tower, spray heads are respectively arranged in the adsorption chambers, and the default spray liquid in the spray tower is an alkaline solution mixed with water.
4. The lime production waste gas treatment device according to claim 1, wherein a blower is arranged between the spray tower and the mixing chamber, and a blower pipeline is mounted on the blower.
5. The lime production waste gas treatment device according to claim 1, wherein a splitter plate is arranged in the third smoke exhaust pipeline, the splitter plate divides the third smoke exhaust pipeline into an upper layer and a lower layer, and the lower outer wall of the third smoke exhaust pipeline is communicated with the blower pipeline.
6. A lime production exhaust gas treatment device according to claim 1, the filter comprising:
a bracket mounted at the filter bottom;
a discharge duct installed at one side of the filter;
a chimney which is connected and arranged on the discharge pipeline;
and the induced draft fan is arranged at the top of the chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121259759.3U CN215610473U (en) | 2021-06-07 | 2021-06-07 | Lime production exhaust treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121259759.3U CN215610473U (en) | 2021-06-07 | 2021-06-07 | Lime production exhaust treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215610473U true CN215610473U (en) | 2022-01-25 |
Family
ID=79941809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121259759.3U Active CN215610473U (en) | 2021-06-07 | 2021-06-07 | Lime production exhaust treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215610473U (en) |
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2021
- 2021-06-07 CN CN202121259759.3U patent/CN215610473U/en active Active
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