CN212669772U - Comprehensive utilization device for waste incineration fly ash resources - Google Patents
Comprehensive utilization device for waste incineration fly ash resources Download PDFInfo
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- CN212669772U CN212669772U CN202020925928.1U CN202020925928U CN212669772U CN 212669772 U CN212669772 U CN 212669772U CN 202020925928 U CN202020925928 U CN 202020925928U CN 212669772 U CN212669772 U CN 212669772U
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Abstract
The utility model relates to a waste incineration fly ash resource comprehensive utilization device, which comprises a cadmium smelting furnace, a Stirling generator, a feeding device, a sprinkling system and a control end, wherein the feeding device and the Stirling generator are positioned near the cadmium smelting furnace, and the control end is connected with the cadmium smelting furnace, the feeding device and the Stirling generator; the utility model provides a waste incineration flying dust resource comprehensive utilization in-process energy consumption high, the output is than low, and often causes secondary pollution.
Description
Technical Field
The utility model relates to a processing technology of the produced flying dust of msw incineration, concretely relates to waste incineration flying dust comprehensive utilization device.
Background
Domestic garbage treatment modes mainly comprise incineration, composting, landfill and the like, wherein the garbage incineration has the characteristics of high harmless level, high volume reduction ratio, small terminal treatment pressure and the like, and is generally applied to the garbage harmless treatment process as a main technical means. However, a large amount of fly ash is generated in the incineration process, which accounts for about 3% -5% of the total incineration amount, and the fly ash contains a large amount of heavy metals, so that underground water and soil are polluted due to improper disposal. The fly ash is mainly composed of spherical particles, polycrystalline polymer, amorphous glass and the like, wherein heavy metals such as cadmium and the like exist mainly in an inorganic state, mainly exist in a metal ion form, an oxide form and an amorphous form connected with the carbon surface, and a part of the heavy metals exist in a silicate form and an aluminosilicate form. The fly ash is fully released and extracted from beryllium, vanadium, chromium, manganese, nickel, copper, zinc, cadmium, lead and other heavy metals by adopting a proper technical means, and is utilized again.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a waste incineration fly ash resource comprehensive utilization device.
A waste incineration fly ash resource comprehensive utilization device comprises a cadmium smelting furnace, a Stirling generator, a throwing device, a water spraying system and a control end, wherein the throwing device and the Stirling generator are positioned near the cadmium smelting furnace, and the control end is connected with the cadmium smelting furnace, the throwing device and the Stirling generator; the top of the cadmium smelting furnace is provided with a fly ash inlet and a waste heat discharge port, one side of the cadmium smelting furnace is provided with a discharge port, a discharge pipeline is arranged near the discharge port, and the water spraying system is provided with a water storage tank, a submersible pump, a water delivery pipeline and a spraying head;
the method comprises the following steps:
s1, sequentially putting fly ash, a slag former, a reducing agent and a cosolvent into the cadmium smelting furnace, putting the slag former, the reducing agent and the cosolvent through a putting device, and mixing and smelting the fly ash, the slag former, the reducing agent and the cosolvent;
s2, under the instruction of a control end of the cadmium smelting furnace, the cadmium smelting furnace adopts biological particles as heating fuel, the biological particles comprise straws, wheat straws, broken wood, rice hulls and agricultural and forestry wastes as raw materials, an inner cavity of the cadmium smelting furnace is sequentially heated to 1300 ℃, 1400 ℃ and 1500 ℃ for three times, heavy metals of Cu, Cd and Ni are extracted from fly ash, a slagging agent, a reducing agent and a cosolvent in a high-temperature environment, the slagging agent is a mixture of silicon dioxide and lime, the reducing agent is activated carbon, the cosolvent is borax, the slagging agent, the reducing agent and the cosolvent are mixed together, and the proportion of the silicon dioxide to the lime is 30%: 20%, 8% of borax and 12% of activated carbon;
and S3, the cadmium smelting furnace carries out water quenching treatment on the smelted fly ash through a water spraying system, and the Stirling engine generates electricity by adopting waste heat generated during smelting of the cadmium smelting furnace.
Further, the step S1 is to put the slag former, the reducer and the cosolvent into the inner cavity of the cadmium smelting furnace in sequence under the control of the control end.
Further, in the step S2, the cadmium smelting furnace heats fly ash to 1300 ℃ and reduces the weight of fly ash by 50%, heats fly ash to 1400 ℃ and reduces the weight of fly ash by 70%, heats fly ash to 1500 ℃ and reduces the weight of fly ash by 75%, so as to obtain heavy metals of Cu, Cd and Ni, and the heavy metals of Cu, Cd and Ni are in a glass shape.
Furthermore, the fly ash inlet is connected with the feeding device, the waste heat discharge port is provided with a waste heat pipeline, the waste heat pipeline is provided with an electromagnetic valve, and the cadmium smelting furnace is connected with the Stirling generator through the waste heat pipeline.
Furthermore, the water storage tank is provided with a water inlet, a water level buoy is arranged near the water inlet, the water storage tank is provided with a submersible pump switch valve, the submersible pump is located at the bottom of the water storage tank and connected with a water conveying pipeline, and the sprinkler head is connected with the water conveying pipeline and fixed on a discharge pipeline.
Compared with the prior art, the utility model has the advantages that 1, the cadmium smelting furnace is adopted, and the biological particles are used as heating fuel, so that the problems of high energy consumption and low output ratio of the high-frequency furnace in the past are solved; 2. the slag former, the reducing agent and the cosolvent used in the utility model promote the heavy metal extraction of the fly ash in the smelting process; 3. the stirling generator of the utility model adopts waste heat power generation, and the environmental protection performance of the utility model is improved.
Drawings
FIG. 1 is a schematic structural view of a waste incineration fly ash resource comprehensive utilization device according to an embodiment of the present invention.
Fig. 2 is a schematic front view of the sprinkler system according to the embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and drawings.
Referring to fig. 1 and 2, an embodiment of the present invention is shown, in which a waste incineration fly ash resource comprehensive utilization apparatus includes a cadmium smelting furnace 10, a stirling generator 11, a feeding device 12, a water sprinkling system 13 and a control end 14, the feeding device 12 and the stirling generator 11 are located near the cadmium smelting furnace 10, and the control end 14 is connected to the cadmium smelting furnace 10, the feeding device 12 and the stirling generator 11; the top of the cadmium smelting furnace 10 is provided with a fly ash inlet 15 and a waste heat discharge port 16, one side of the cadmium smelting furnace 10 is provided with a discharge port 17, a discharge pipeline 18 is arranged near the discharge port 17, and the water spraying system 13 is provided with a water storage tank 19, a submersible pump 20, a water conveying pipeline 21 and a spraying head 22; the method comprises the following steps:
s1, sequentially putting fly ash, a slag former, a reducing agent and a cosolvent into the cadmium smelting furnace 10, putting the slag former, the reducing agent and the cosolvent through a putting device 12, and mixing and smelting the fly ash, the slag former, the reducing agent and the cosolvent;
s2, under the instruction of a control end 14, the cadmium smelting furnace 10 adopts biological particles as heating fuel, the biological particles comprise straws, wheat straws, broken wood, rice hulls and agricultural and forestry wastes as raw materials, an inner cavity of the cadmium smelting furnace 10 is sequentially heated to 1300 ℃, 1400 ℃ and 1500 ℃ for three times, heavy metals of Cu, Cd and Ni are extracted from fly ash, a slagging agent, a reducing agent and a cosolvent in a high-temperature environment, the slagging agent is a mixture of silicon dioxide and lime, the reducing agent is activated carbon, the cosolvent is borax, the slagging agent, the reducing agent and the cosolvent are mixed together, and the proportion of the silicon dioxide to the lime is 30%: 20%, 8% of borax and 12% of activated carbon;
s3, the cadmium smelting furnace 10 carries out water quenching treatment on the smelted fly ash through a water spraying system 13, and the Stirling engine 11 generates electricity by using waste heat generated during smelting of the cadmium smelting furnace 10.
S4, heating fly ash, a slagging agent, a reducing agent and a cosolvent in the inner cavity of the cadmium smelting furnace 10 by biological particles to obtain heavy metals of Cu, Cd and Ni, wherein the heavy metals of Cu, Cd and Ni are glassy, discharging out of the inner cavity of the cadmium smelting furnace 10 through a discharge port 17 and a discharge pipeline 18, and when passing through the discharge pipeline 18, a sprinkling system 13 sprinkles water on the glassy heavy metals of Cu, Cd and Ni under the control of a control end 14.
S5, repeating the steps S1, S2, S3 and S4.
Further, as a preferred embodiment of the present invention, the step S1 is to put the slag former, the reducing agent and the cosolvent into the inner cavity of the cadmium smelting furnace 10 in sequence under the control of the control end 14.
Further, as a preferred embodiment of the present invention, in step S2, the cadmium smelting furnace 10 heats fly ash to 1300 ℃ and reduces the weight of fly ash by 50%, heats fly ash to 1400 ℃ and reduces the weight of fly ash by 70%, heats fly ash to 1500 ℃ and reduces the weight of fly ash by 75%, so as to obtain heavy metals of Cu, Cd and Ni, wherein the heavy metals of Cu, Cd and Ni are in a glassy state.
Further, the fly ash inlet 15 is connected with the feeding device 12, the waste heat discharge port 16 is provided with a waste heat pipeline 23, the waste heat pipeline 23 is provided with an electromagnetic valve 24, and the cadmium smelting furnace 10 is connected with the stirling generator 11 through the waste heat pipeline 23.
Further, the water storage tank 19 is provided with a water inlet 25, a water level buoy 26 is arranged near the water inlet 25, the water storage tank 19 is provided with a submersible pump switch valve 27, the submersible pump 20 is positioned at the bottom of the water storage tank 19 and connected with the water conveying pipeline 21, and the sprinkler head 22 is connected with the water conveying pipeline 21 and fixed on the discharge pipeline 18.
The working principle is as follows: fly ash, a slagging agent, a reducing agent and a cosolvent are placed in a cadmium smelting furnace, the cadmium smelting furnace adopts biological particles as heating fuel, the cadmium smelting furnace is heated, the fly ash is smelted and extracted, the fly ash is heated to 1300 ℃ and is reduced by 50 percent, the fly ash is heated to 1400 ℃ and is reduced by 70 percent, the fly ash is heated to 1500 ℃ and is reduced by 75 percent, heavy metals Cu, Cd and Ni are obtained, the heavy metals Cu, Cd and Ni are in a glass shape, the heavy metals Cu, Cd and Ni are quenched by a water spraying system, and finally the heavy metals Cu, Cd and Ni are obtained.
It should be noted that the present invention is not limited to the above embodiments, and other changes can be made by those skilled in the art according to the spirit of the present invention, and all the changes made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (3)
1. The utility model provides a waste incineration flying ash resource comprehensive utilization device which characterized in that: the device comprises a cadmium smelting furnace, a Stirling generator, a feeding device, a water spraying system and a control end, wherein the feeding device and the Stirling generator are positioned near the cadmium smelting furnace, and the control end is connected with the cadmium smelting furnace, the feeding device and the Stirling generator; the top of the cadmium smelting furnace is provided with a fly ash inlet and a waste heat discharge port, one side of the cadmium smelting furnace is provided with a discharge port, a discharge pipeline is arranged near the discharge port, and the water spraying system is provided with a water storage tank, a submersible pump, a water delivery pipeline and a spraying head.
2. The waste incineration fly ash resource comprehensive utilization device of claim 1, characterized in that: the fly ash inlet is connected with the feeding device, the waste heat discharge port is provided with a waste heat pipeline, the waste heat pipeline is provided with an electromagnetic valve, and the cadmium smelting furnace is connected with the Stirling generator through the waste heat pipeline.
3. The waste incineration fly ash resource comprehensive utilization device of claim 1, characterized in that: the water storage tank is provided with a water inlet, a water level buoy is arranged near the water inlet, the water storage tank is provided with a submersible pump switch valve, the submersible pump is positioned at the bottom of the water storage tank and connected with a water conveying pipeline, and the spraying head is connected with the water conveying pipeline and fixed on a discharge pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020925928.1U CN212669772U (en) | 2020-05-27 | 2020-05-27 | Comprehensive utilization device for waste incineration fly ash resources |
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| CN202020925928.1U CN212669772U (en) | 2020-05-27 | 2020-05-27 | Comprehensive utilization device for waste incineration fly ash resources |
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| CN212669772U true CN212669772U (en) | 2021-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485112A (en) * | 2020-05-27 | 2020-08-04 | 深圳市绿沁环保投资有限公司 | Method for comprehensively utilizing waste incineration fly ash resources |
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- 2020-05-27 CN CN202020925928.1U patent/CN212669772U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485112A (en) * | 2020-05-27 | 2020-08-04 | 深圳市绿沁环保投资有限公司 | Method for comprehensively utilizing waste incineration fly ash resources |
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