CN211562498U - Hazardous waste burns flue gas dry process deacidification and adsorption system - Google Patents
Hazardous waste burns flue gas dry process deacidification and adsorption system Download PDFInfo
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- CN211562498U CN211562498U CN201922301584.7U CN201922301584U CN211562498U CN 211562498 U CN211562498 U CN 211562498U CN 201922301584 U CN201922301584 U CN 201922301584U CN 211562498 U CN211562498 U CN 211562498U
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Abstract
The utility model relates to a hazardous waste burns flue gas dry process deacidification and adsorption system, including dry-type reaction tower, slaked lime conveyor and active carbon conveyor, the dry-type reaction tower is established to bushing type structure, and it includes interior tower body and outer tower body, the bottom of interior tower body is equipped with the flue gas import, and its top is equipped with the exhaust port that communicates with outer tower body, the bottom of outer tower body is equipped with exhanst gas outlet, slaked lime conveyor and the slaked lime jet intercommunication on the interior tower body, active carbon conveyor and the active carbon jet intercommunication on the interior tower body, the utility model discloses spray proper amount slaked lime to interior tower body with the help of slaked lime conveyor to get rid of acid gas in the flue gas, inwards spray proper amount of active carbon with the help of active carbon conveyor to the tower body in order to adsorb dioxin in the flue gas, simultaneously, dry-type reaction tower adopts bushing type structure, helps prolonging flue gas and slaked lime conveyor, The action time of the active carbon enables pollutants in incineration flue gas to reach the emission standard.
Description
Technical Field
The utility model belongs to the technical field of hazardous waste handles, specifically speaking relates to a hazardous waste burns flue gas dry process deacidification and adsorption system.
Background
With the development of industry, the discharge of dangerous waste in industrial production process is increasing. It is estimated that the worldwide annual production of hazardous waste is 3.3 million tons. The hazards presented by hazardous waste mainly include the following: 1. the ecological environment is destroyed, and the dangerous wastes which are randomly discharged and stored pollute water and soil under the long-term infiltration and diffusion action of rainwater and underground water, so that the environmental function level of the region is reduced. 2. The health of human beings is affected, hazardous wastes are poisoned or burned or exploded by ingestion, inhalation, skin absorption and eye contact, and the repeated contact of human beings easily causes long-term poisoning, carcinogenesis, teratogenesis, and degeneration. 3. The pollution of atmosphere, water source, soil and the like caused by the non-treatment or non-standard treatment of dangerous wastes becomes a bottleneck restricting economic activities.
At present, hazardous wastes are mainly incinerated by an incinerator and a rotary kiln, and the incineration method not only can thoroughly eliminate the toxicity and the hazard of the hazardous wastes, but also can reduce the volume of the hazardous wastes to the maximum extent, so the incineration treatment is the most powerful means for harmlessness and reduction of the hazardous wastes.
SUMMERY OF THE UTILITY MODEL
Aiming at various defects in the prior art, in order to solve the problems, a hazardous waste incineration flue gas dry deacidification and adsorption system is provided.
In order to achieve the above object, the utility model provides a following technical scheme:
a hazardous waste burns flue gas dry process deacidification and adsorption system includes:
the dry type reaction tower is of a sleeve type structure and comprises an inner tower body and an outer tower body, wherein the bottom of the inner tower body is provided with a flue gas inlet, the top of the inner tower body is provided with a smoke outlet communicated with the outer tower body, and the bottom of the outer tower body is provided with a flue gas outlet;
the slaked lime conveying device is communicated with the slaked lime injection port on the inner tower body;
and the activated carbon conveying device is communicated with the activated carbon injection port on the inner tower body.
Furthermore, the slaked lime injection device comprises a slaked lime bin, a first quantitative feeding assembly and a first injection fan, the top of the first quantitative feeding assembly is communicated with the outlet end of the slaked lime bin, the bottom of the first quantitative feeding assembly is communicated with a first injection pipeline, one end of the first injection pipeline is communicated with a slaked lime injection port, and the other end of the first injection pipeline is connected with the first injection fan.
Furthermore, a dust remover is arranged above the slaked lime bin, and the outlet end of the dust remover is provided with a vibration hopper.
Further, the first quantitative feeding assembly comprises a first weighing hopper, a first screw feeder and a first ash discharging valve, the inlet end of the first weighing hopper is communicated with the outlet end of the vibration hopper, the outlet end of the first weighing hopper is communicated with the inlet end of the first screw feeder, and the outlet end of the first screw feeder is communicated with the first spraying pipeline through the first ash discharging valve.
Further, a second ash discharging valve is connected between the first weighing hopper and the vibration hopper.
Further, an electric heater is arranged between the first injection pipeline and the first injection fan.
Further, the active carbon conveying device comprises an active carbon bin, a second quantitative feeding component and a second injection fan, wherein the top of the second quantitative feeding component is communicated with the outlet end of the active carbon bin, the bottom of the second quantitative feeding component is communicated with a second injection pipeline, one end of the second injection pipeline is communicated with an active carbon injection port, and the other end of the second injection pipeline is connected with the second injection fan.
Furthermore, an electric hoist is arranged above the activated carbon bin, and a third ash discharge valve is arranged at the outlet end of the electric hoist.
Further, the second quantitative feeding component comprises a second weighing hopper and a second screw feeder, the inlet end of the second weighing hopper is communicated with the outlet end of the activated carbon bin, the outlet end of the second weighing hopper is communicated with the inlet end of the second screw feeder, and the outlet end of the second screw feeder is communicated with the second spraying pipeline.
Further, the first injection pipeline and the second injection pipeline are both venturi tubes, and the first injection fan and the second injection fan are both roots fans.
The utility model has the advantages that:
the method is characterized in that a proper amount of slaked lime is sprayed to the inner tower body by the slaked lime conveying device to remove acid gas in the flue gas, a proper amount of activated carbon is sprayed to the inner tower body by the activated carbon conveying device to adsorb dioxin in the flue gas, and meanwhile, the dry type reaction tower adopts a sleeve type structure, so that the action time of the flue gas, the slaked lime and the activated carbon is prolonged, and pollutants in the incineration flue gas reach the emission standard.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a slaked lime feeding apparatus;
fig. 3 is a schematic structural diagram of an activated carbon delivery device.
In the drawings: 1-a quench tower, 2-a dry reaction tower, 201-an inner tower body, 202-an outer tower body, 3-a flue gas outlet, 4-an activated carbon injection port, 5-a slaked lime injection port, 6-an ash discharger, 7-a deduster, 8-a slaked lime bin, 9-a vibration hopper, 10-a first weighing hopper, 11-a first screw feeder, 12-a second ash discharge valve, 13-a first ash discharge valve, 14-a first injection fan, 15-a first injection pipeline, 16-an electric heater, 17-an electric hoist, 18-an activated carbon bin, 19-a second weighing hopper, 20-a third ash discharge valve, 21-a second screw feeder, 22-a second injection fan and 23-a second injection pipeline.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
The present invention will be further described with reference to the accompanying drawings and preferred embodiments.
The first embodiment is as follows:
as shown in fig. 1, a hazardous waste incineration flue gas dry deacidification and adsorption system comprises a dry reaction tower 2, a slaked lime conveying device and an active carbon conveying device, wherein the flue gas after hazardous waste incineration enters the dry reaction tower 2 through a waste heat utilization and quenching tower 1 to contact and react with sprayed slaked lime and active carbon, so that the purposes of removing acid gas in the flue gas and adsorbing dioxin in the flue gas are achieved.
Specifically, the dry reaction tower 2 is of a sleeve type structure and comprises an inner tower body 201 and an outer tower body 202, a flue gas inlet is formed in the bottom of the inner tower body 201, a smoke outlet communicated with the outer tower body 202 is formed in the top of the inner tower body 201, a flue gas outlet 3 is formed in the bottom of the outer tower body 202, namely, flue gas enters from the bottom of the inner tower body 201, and the dry reaction tower 2 is of the sleeve type structure, so that the action time of the flue gas, slaked lime and activated carbon is prolonged, and pollutants in the flue gas can reach the emission standard.
As shown in fig. 1 and 2, the slaked lime feeding device is connected to the slaked lime injection port 5 of the inner tower 201 for injecting slaked lime into the inner tower 201. Specifically, the slaked lime injection device comprises a slaked lime bin 8, a first quantitative feeding assembly and a first injection fan 14, the top of the first quantitative feeding assembly is communicated with the outlet end of the slaked lime bin 8, the bottom of the first quantitative feeding assembly is communicated with a first injection pipeline 15, one end of the first injection pipeline 15 is communicated with the slaked lime injection port 5, and the other end of the first injection pipeline is connected with the first injection fan 14. Meanwhile, a dust remover 7 is arranged above the slaked lime bin 8, and the outlet end of the dust remover is provided with a vibration hopper 9.
The first quantitative feeding assembly comprises a first weighing hopper 10, a first screw feeder 11 and a first ash discharging valve 13, the inlet end of the first weighing hopper 10 is communicated with the outlet end of the vibration hopper 9, the outlet end of the first weighing hopper 10 is communicated with the inlet end of the first screw feeder 11, the outlet end of the first screw feeder 11 is communicated with a first spraying pipeline 15 through the first ash discharging valve 13, a second ash discharging valve 12 is connected between the first weighing hopper 10 and the vibration hopper 9, and an electric heater 16 is arranged between the first spraying pipeline 15 and a first spraying fan 14. That is, the slaked lime in the slaked lime bin 8 passes through the vibration hopper 9, the first weighing hopper 10, the first screw feeder 11, and the first injection pipe 15 in sequence, and is injected into the inner tower 201 by the first injection fan 14.
As shown in fig. 1 and 3, the activated carbon delivery device is communicated with the activated carbon injection port 4 on the inner tower body 201 for injecting activated carbon into the inner tower body 201. The active carbon conveying device comprises an active carbon bin 18, a second quantitative feeding component and a second injection fan 22, wherein the top of the second quantitative feeding component is communicated with the outlet end of the active carbon bin 18, the bottom of the second quantitative feeding component is communicated with a second injection pipeline 23, one end of the second injection pipeline 23 is communicated with an active carbon injection port 4, and the other end of the second injection pipeline is connected with the second injection fan 22. Meanwhile, an electric hoist 17 is arranged above the activated carbon bin 18, and a third ash discharge valve 20 is arranged at the outlet end of the electric hoist.
The second quantitative feeding component comprises a second weighing hopper 19 and a second screw feeder 21, the inlet end of the second weighing hopper 19 is communicated with the outlet end of the activated carbon bin 18, the outlet end of the second weighing hopper 19 is communicated with the inlet end of the second screw feeder 21, and the outlet end of the second screw feeder 21 is communicated with a second spraying pipeline 23. That is, the activated carbon located inside the activated carbon bin 18 passes through the second weighing hopper 19, the second screw feeder 21, and the second injection pipe 23 in sequence, and is injected into the inner tower 201 by the second injection fan 22.
In this embodiment, the first injection pipeline 15 and the second injection pipeline 23 are both venturi tubes, the first injection fan 14 and the second injection fan 22 are both roots fans, and meanwhile, the first ash discharge valve 13, the second ash discharge valve 12 and the third ash discharge valve 20 are all star-shaped ash discharge valves. Meanwhile, the whole process can be monitored and controlled through an automatic control system, the automation degree is high, the labor intensity of workers is reduced, and the reliable operation of the system is ensured.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (10)
1. The utility model provides a hazardous waste burns flue gas dry process deacidification and adsorption system which characterized in that includes:
the dry type reaction tower is of a sleeve type structure and comprises an inner tower body and an outer tower body, wherein the bottom of the inner tower body is provided with a flue gas inlet, the top of the inner tower body is provided with a smoke outlet communicated with the outer tower body, and the bottom of the outer tower body is provided with a flue gas outlet;
the slaked lime conveying device is communicated with the slaked lime injection port on the inner tower body;
and the activated carbon conveying device is communicated with the activated carbon injection port on the inner tower body.
2. The hazardous waste incineration flue gas dry deacidification and adsorption system according to claim 1, wherein the slaked lime injection apparatus comprises a slaked lime bin, a first dosing assembly and a first injection fan, wherein the top of the first dosing assembly is communicated with the outlet end of the slaked lime bin, the bottom of the first dosing assembly is communicated with a first injection pipeline, one end of the first injection pipeline is communicated with a slaked lime injection port, and the other end of the first injection pipeline is connected with the first injection fan.
3. The hazardous waste incineration flue gas dry deacidification and adsorption system according to claim 2, wherein a deduster is arranged above the slaked lime bin, and the outlet end of the slaked lime bin is provided with a vibration hopper.
4. The hazardous waste incineration flue gas dry deacidification and adsorption system according to claim 3, wherein the first dosing assembly comprises a first weighing hopper, a first screw feeder, a first ash discharge valve, an inlet end of the first weighing hopper is communicated with an outlet end of the vibration hopper, an outlet end of the first weighing hopper is communicated with an inlet end of the first screw feeder, and an outlet end of the first screw feeder is communicated with the first injection pipeline through the first ash discharge valve.
5. The hazardous waste incineration flue gas dry deacidification and adsorption system according to claim 4, wherein a second ash discharge valve is connected between the first weighing hopper and the vibration hopper.
6. The hazardous waste incineration flue gas dry deacidification and adsorption system according to claim 4, wherein an electric heater is arranged between the first injection pipeline and the first injection fan.
7. The hazardous waste incineration flue gas dry deacidification and adsorption system according to any one of claims 3 to 6, wherein the activated carbon conveying device comprises an activated carbon bin, a second dosing assembly and a second injection fan, the top of the second dosing assembly is communicated with the outlet end of the activated carbon bin, the bottom of the second dosing assembly is communicated with a second injection pipeline, one end of the second injection pipeline is communicated with an activated carbon injection port, and the other end of the second injection pipeline is connected with the second injection fan.
8. The hazardous waste incineration flue gas dry deacidification and adsorption system according to claim 7, wherein an electric hoist is arranged above the activated carbon bin, and a third ash discharge valve is arranged at an outlet end of the electric hoist.
9. The hazardous waste incineration flue gas dry deacidification and adsorption system according to claim 8, wherein the second dosing assembly comprises a second weighing hopper and a second screw feeder, an inlet end of the second weighing hopper is communicated with an outlet end of the activated carbon bin, an outlet end of the second weighing hopper is communicated with an inlet end of the second screw feeder, and an outlet end of the second screw feeder is communicated with a second injection pipeline.
10. The hazardous waste incineration flue gas dry deacidification and adsorption system according to claim 9, wherein the first injection pipeline and the second injection pipeline are both venturi tubes, and the first injection fan and the second injection fan are both roots fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922301584.7U CN211562498U (en) | 2019-12-19 | 2019-12-19 | Hazardous waste burns flue gas dry process deacidification and adsorption system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922301584.7U CN211562498U (en) | 2019-12-19 | 2019-12-19 | Hazardous waste burns flue gas dry process deacidification and adsorption system |
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| Publication Number | Publication Date |
|---|---|
| CN211562498U true CN211562498U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922301584.7U Active CN211562498U (en) | 2019-12-19 | 2019-12-19 | Hazardous waste burns flue gas dry process deacidification and adsorption system |
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| CN (1) | CN211562498U (en) |
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