CN210874508U - Urban fly ash comprehensive treatment system - Google Patents
Urban fly ash comprehensive treatment system Download PDFInfo
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- CN210874508U CN210874508U CN201921451869.2U CN201921451869U CN210874508U CN 210874508 U CN210874508 U CN 210874508U CN 201921451869 U CN201921451869 U CN 201921451869U CN 210874508 U CN210874508 U CN 210874508U
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Abstract
The utility model relates to a chemical reaction and equipment, a municipal fly ash comprehensive treatment system, which comprises a fly ash collector, a dust outlet, a mixed elution device, a wastewater outlet, a water suction pump, a water suction pipeline, a wastewater collection tank, a waste gas filter screen, a waste gas discharge port, a fly ash-containing waste gas inlet, a steam discharge pipe and a liquid inlet, wherein the fly ash collector is formed by enclosing the outer wall of the wastewater collection tank, the fly ash-containing waste gas inlet, the waste gas discharge port and the outer wall of the fly ash collector in a sealing way, and the bottom of the fly ash collector is provided with; an exhaust gas filter screen is arranged at the exhaust gas outlet; the fly ash collector is connected with the upper end of the mixed elution device through the dust outlet, the bottom of the mixed elution device is provided with a wastewater outlet, the wastewater outlet is connected with a water suction pump through a water suction pipeline, and the water suction pipeline is connected with a wastewater collection tank. Through the utility model discloses in flying dust integrated processing system, when cooling down high temperature gas, realized the innocent treatment to the scrubbing waste liquid, effectively realized no waste water and removed dust.
Description
Technical Field
The utility model relates to an environmental protection refuse treatment equipment, concretely relates to urban fly ash integrated processing system originally belongs to environmental protection equipment technical field.
Background
Most of the urban fly ash is fly ash generated by burning domestic garbage, and the fly ash has complex components and also contains toxic and harmful substances such as dioxin, heavy metals and the like.
The prior method for treating toxic and harmful substances in waste incineration fly ash mainly comprises the following steps: washing, acid leaching, cement solidification, melting solidification, chemical agent chelation stabilization, sanitary landfill and the like. In the methods, one part is to wrap toxic and harmful substances in the fly ash in a stable curing agent to avoid pollution to the environment; the other part is to elute the heavy metal in the fly ash, and the eluted heavy metal and the fly ash can be recycled.
Disclosure of Invention
For solving the problem that exists among the prior art, the utility model provides an urban fly ash integrated processing system can effectual waste water and the heat energy of retrieving the production in the flying ash processing procedure. The utility model discloses a concrete technical scheme as follows:
an urban fly ash comprehensive treatment system comprises a fly ash collector, a dust outlet, a mixed elution device, a filtering membrane, a waste water outlet, a water pump, a water pumping pipeline, a waste water collecting tank, a waste gas filtering screen, a waste gas outlet, a fly ash-containing waste gas inlet, a steam discharge pipe and a liquid inlet,
the fly ash collector is formed by enclosing the outer wall of the wastewater collecting tank, the fly ash-containing waste gas inlet, the waste gas discharge port and the outer wall of the fly ash collector in a sealing way, and the bottom of the fly ash collector is provided with a dust outlet;
the waste gas outlet is provided with a waste gas filter screen;
the fly ash collector pass through the dust outlet with mixed elution ware upper end connect, mixed elution ware bottom be provided with the waste water export, the waste water export through draw water the pipeline with the suction pump be connected, the pipeline connection that draws water the waste water collecting vat.
Further, a steam discharge pipe is arranged at the top end of the wastewater collection tank.
Furthermore, a filter membrane is detachably arranged in the mixed elution device, and when the fly ash after elution needs to be cleaned, the filter membrane can be detached to clean the fly ash.
Further, a top end of the mixed elution device is detachably provided with a mixed elution device top cover 204.
Furthermore, a liquid inlet and a dust outlet inlet hole matched with the dust outlet are formed in the top cover of the mixed elution device.
Furthermore, the dust outlet is a telescopic pipeline, when the mixed elution device needs to be cleaned, the dust outlet pipeline is shortened, and the fly ash after elution is conveniently cleaned.
Furthermore, an ultrasonic cleaning assembly is installed at the bottom of the mixed elution device, and the ultrasonic cleaning assembly emits ultrasonic waves to mix, wash and acid wash the fly ash in the mixed elution device.
The specific fly ash treatment process comprises the following steps: cooling the waste gas containing the fly ash, depositing in a fly ash collector, then discharging into a mixed elution device, carrying out ultrasonic mixing, water washing and acid washing in the elution device, carrying out suction filtration, leaving the eluted fly ash on a filtering membrane, and cleaning the filtering membrane in the mixed elution device when the thickness of the fly ash influences the suction filtration effect; the generated wastewater is heated in a wastewater collecting tank by utilizing high-temperature waste gas discharged from an incinerator, water in a wastewater collector is evaporated to be vapor to be discharged, and the concentrated solution containing heavy metal ions can be used for recovering heavy metals in the solution by an electrolytic method or recovering the heavy metal ions by a chemical precipitation method.
The utility model has the advantages that: through the utility model discloses in flying dust integrated processing system, the flying dust of burning has very high temperature, heats the waste liquid through high temperature flying dust, when cooling down for the flying dust, the moisture in the waste water evaporates, moisture in the waste water becomes vapor and collects once more and becomes the distilled water, by recycling, waste water is concentrated to the solution that contains high enriched heavy metal ion, through electroplating recovery heavy metal ion, realize the recycle of resource, reduced the emission of waste water, realized heavy metal ion's high efficiency recycle.
The utility model discloses an ultrasonic wave and mechanical stirring combined use accomplish the washing and the pickling of flying dust in a jar is internal, make the flying dust washing more abundant. And moreover, the generated wastewater is efficiently recovered by utilizing the heat in the system, and the heavy metal ion solution is concentrated, so that the subsequent recovery of the heavy metal ions is easier.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a mixed elution device in an embodiment of the present invention.
The device comprises a fly ash collector 1, a dust outlet 101, a mixed elution device 2, a filtering membrane 201, a waste water outlet 202, a mixed elution device top cover 203, a liquid inlet 204, a dust outlet inlet 205, a water suction pump 3, a water suction pipeline 4, a waste water collecting tank 5, a waste gas filtering screen 6, a waste gas outlet 7, a fly ash-containing waste gas inlet 8 and a steam discharge pipe 9.
The specific implementation mode is as follows:
in order to deepen understanding of the present invention, the following detailed description is made on the embodiments of the present invention with reference to the accompanying drawings.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve.
An urban fly ash comprehensive treatment system comprises a fly ash collector 1, a dust outlet 101, a mixed elution device 2, a filtering membrane 201, a waste water outlet 202, a mixed elution device top cover 203, a liquid inlet 204, a dust outlet inlet hole 205, water pumping 3, a water pumping pipeline 4, a waste water collecting tank 5, a waste gas filtering screen 6, a waste gas outlet 7, a fly ash-containing waste gas inlet 8 and a steam discharge pipe 9,
the fly ash collector 1 is formed by enclosing the outer wall of the wastewater collection tank 5, the fly ash-containing waste gas inlet 8, the waste gas outlet 7 and the outer wall of the fly ash collector 1, and the bottom of the fly ash collector 1 is provided with a dust outlet 101;
an exhaust gas filter screen 6 is arranged at the exhaust gas outlet 7;
Further, a steam discharge pipe 9 is provided at the top end of the wastewater collection tank 5.
Furthermore, a filter membrane 201 is detachably installed inside the mixed elution device 2, and when the fly ash after elution needs to be cleaned, the filter membrane 201 can be detached to perform the fly ash cleaning work.
Further, a top end of the mixer-eluter 2 is detachably mounted with a mixer-eluter cap 203.
Furthermore, a liquid inlet 204 and a dust outlet inlet hole 205 matched with the dust outlet are arranged on the top cover 203 of the mixed elution device.
Furthermore, the dust outlet 101 is a retractable pipe, and when the mixed elution device needs to be cleaned, the pipe is shortened, so that the fly ash after elution in the mixed elution device can be cleaned conveniently.
Furthermore, the bottom of the mixed elution device 2 is provided with an ultrasonic cleaning component, and the ultrasonic cleaning component emits ultrasonic waves to mix, wash and pickle the fly ash in the mixed elution device.
The specific fly ash treatment process comprises the following steps: high-temperature waste gas containing fly ash discharged from a waste incinerator is cooled and deposited in a fly ash collector through a waste water collector, then the high-temperature waste gas is discharged into a mixed elution device through a dust outlet, the high-temperature waste gas is subjected to ultrasonic mixing, water washing and acid washing in the elution device, and is subjected to suction filtration, the eluted fly ash is left on a filtering membrane, and when the thickness of the fly ash influences the suction filtration effect, the filtering membrane in the mixed elution device is cleaned; the generated wastewater is heated in a wastewater collecting tank by utilizing high-temperature waste gas discharged from an incinerator, water in a wastewater collector is evaporated to be vapor to be discharged, and the concentrated solution containing heavy metal ions can be used for recovering heavy metals in the solution by an electrolytic method or recovering the heavy metal ions by a chemical precipitation method.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme consisting of the equivalent replacement of the technical features. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (7)
1. An urban fly ash comprehensive treatment system is characterized by comprising a fly ash collector, a dust outlet, a mixed elution device, a wastewater outlet, a water suction pump, a water suction pipeline, a wastewater collection tank, a waste gas filter screen, a waste gas outlet, a fly ash-containing waste gas inlet, a steam discharge pipe and a liquid inlet,
the fly ash collector is formed by enclosing the outer wall of the wastewater collecting tank, the fly ash-containing waste gas inlet, the waste gas discharge port and the outer wall of the fly ash collector in a sealing way, and the bottom of the fly ash collector is provided with a dust outlet;
the waste gas outlet is provided with a waste gas filter screen;
the fly ash collector pass through the dust outlet with mixed elution ware upper end connect, mixed elution ware bottom be provided with the waste water export, the waste water export through draw water the pipeline with the suction pump be connected, the pipeline connection that draws water the waste water collecting vat.
2. The municipal fly ash comprehensive treatment system according to claim 1, wherein a steam discharge pipe is provided at the top end of the wastewater collection tank.
3. The municipal fly ash comprehensive treatment system according to claim 1, wherein a filtration membrane is detachably installed inside the mixed elution device.
4. The municipal fly ash comprehensive treatment system according to claim 1, wherein a top cover of the mixed elution device is detachably mounted on the top end of the mixed elution device.
5. The municipal fly ash comprehensive treatment system according to claim 4, wherein the top cover of the mixed elution device is provided with a liquid inlet and a dust outlet inlet hole matched with the dust outlet.
6. The municipal fly ash comprehensive treatment system according to claim 1, wherein the dust outlet is a retractable duct.
7. The municipal fly ash comprehensive treatment system according to claim 4, wherein an ultrasonic cleaning component is installed at the bottom of the mixed elutriator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921451869.2U CN210874508U (en) | 2019-09-03 | 2019-09-03 | Urban fly ash comprehensive treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921451869.2U CN210874508U (en) | 2019-09-03 | 2019-09-03 | Urban fly ash comprehensive treatment system |
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| CN210874508U true CN210874508U (en) | 2020-06-30 |
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| CN201921451869.2U Active CN210874508U (en) | 2019-09-03 | 2019-09-03 | Urban fly ash comprehensive treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871856A (en) * | 2020-12-29 | 2021-06-01 | 山东大学 | Water scrubber and water scrubbing method for waste incineration fly ash |
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2019
- 2019-09-03 CN CN201921451869.2U patent/CN210874508U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871856A (en) * | 2020-12-29 | 2021-06-01 | 山东大学 | Water scrubber and water scrubbing method for waste incineration fly ash |
| CN112871856B (en) * | 2020-12-29 | 2022-06-07 | 山东大学 | Water scrubber and water scrubbing method for waste incineration fly ash |
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