CN211057191U - Hazardous waste incineration residue treatment system - Google Patents

Hazardous waste incineration residue treatment system Download PDF

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Publication number
CN211057191U
CN211057191U CN201921988709.1U CN201921988709U CN211057191U CN 211057191 U CN211057191 U CN 211057191U CN 201921988709 U CN201921988709 U CN 201921988709U CN 211057191 U CN211057191 U CN 211057191U
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lead
zinc
hazardous waste
waste incineration
fuming
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CN201921988709.1U
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姚建明
陈德喜
高术杰
胡立琼
李兴杰
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Manufacture And Refinement Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The utility model provides a hazardous waste burns processing system of residue. The processing method comprises the following steps: carrying out oxidation smelting on the hazardous waste incineration residues, a lead-zinc containing raw material and oxygen-enriched air to obtain a first lead-containing metal phase and zinc-containing slag; carrying out reduction smelting on the zinc-containing slag and a reducing material to obtain a second lead-containing metal phase and a reducing slag; the reduced furnace slag is subjected to fuming treatment to obtain zinc oxide smoke dust and fuming furnace slag. The treatment of the incineration residue containing hazardous wastes together with the raw materials containing lead and zinc can convert the zinc element contained in the two raw materials into zinc oxide and transfer the lead element into harmless fuming slag. By adopting the treatment method, the zinc oxide in the raw materials can be recovered, and the hazardous waste incineration residues can be converted into more environment-friendly fuming furnace slag. The fuming slag can be used as a building raw material, and the economic value of the hazardous waste incineration residue is greatly improved. Meanwhile, the treatment method is energy-saving and environment-friendly, and the process is simple.

Description

Hazardous waste incineration residue treatment system
Technical Field
The utility model relates to a hazardous waste burns residue and handles field particularly, relates to a hazardous waste burns residue's processing system.
Background
At present, hazardous wastes are mainly disposed of by landfills or incineration processes. Although the incineration disposal can effectively reduce the waste, a large amount of bottom slag and fly ash are generated in the waste incineration process. The existing incineration bottom slag is mainly treated in a landfill mode. Not only can a large amount of land resources be occupied, but also heavy metal components (such as lead) in the water and soil can enter the water and soil along with rainwater, so that the water and soil, vegetation, organisms and the like are damaged. A large amount of incineration bottom slag enters a hazardous waste landfill for landfill disposal, and the storage capacity of the landfill must be increasingly stressed.
In view of the above problems, it is desirable to provide a method and an apparatus for treating incineration residue of hazardous waste.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a hazardous waste burns processing system of residue to solve current hazardous waste and burn the problem that the residue can't carry out effective processing.
In order to accomplish the above object, the present invention provides a hazardous waste incineration residue treatment system, comprising: the device comprises an oxidation smelting device, a reduction smelting device and a fuming device, wherein the oxidation smelting device is provided with an oxidation smelting inlet, a first lead-containing metal phase outlet and a zinc-containing slag outlet, wherein the oxidation smelting inlet is used for adding hazardous waste incineration residues, a lead-containing zinc raw material and oxygen-enriched air; the reduction smelting device is provided with a reduction smelting inlet, a first metal phase outlet and a reduction slag outlet, wherein the reduction smelting inlet is communicated with the zinc-containing slag outlet; and the fuming device is provided with a fuming inlet which is communicated with the reducing furnace slag outlet.
Further, the treatment system also comprises a metering device for controlling the weight ratio of the hazardous waste incineration residues to the lead-zinc containing raw material.
Furthermore, the oxidation smelting device is also provided with a first smoke outlet, the reduction smelting device is also provided with a second smoke outlet, the fuming device is also provided with a third smoke outlet, the processing system further comprises a dust collecting device, the dust collecting device is provided with a smoke inlet, an acid gas outlet and a smoke outlet, and the smoke inlet is respectively communicated with the first smoke outlet, the second smoke outlet and the third smoke outlet.
Further, the treatment system further comprises an acid making system, the acid making system is provided with an acid gas inlet, and the acid gas inlet is communicated with the acid gas outlet.
Further, the processing system further includes: the device comprises a hazardous waste incineration residue supply device and a lead-zinc containing raw material supply device, wherein the hazardous waste incineration residue supply device is provided with a hazardous waste incineration residue supply port; the lead-zinc containing raw material supply device is provided with a lead-zinc containing raw material supply port, and the hazardous waste incineration residue supply port and the lead-zinc containing raw material supply port are both communicated with the oxidation smelting inlet.
Furthermore, the hazardous waste incineration residue supply device is also provided with a smoke dust recovery port which is communicated with the smoke dust outlet.
Further, the fuming apparatus, the reduction melting apparatus and the oxidation melting apparatus are each independently selected from an electric heating melting apparatus and a molten bath melting apparatus.
Use the technical scheme of the utility model, contain hazardous waste and burn the residue and handle jointly with lead-zinc containing raw materials and can make the zinc element that contains turn into zinc oxide in above-mentioned two kinds of raw materials, make lead element shift to harmless fuming slag simultaneously. By adopting the treatment method, zinc oxide in the raw material containing lead and zinc can be recovered, and the hazardous waste incineration residue can be converted into more environment-friendly fuming slag. The fuming slag can be used as a building raw material subsequently, and the economic value of the hazardous waste incineration residue is greatly improved. Meanwhile, the treatment method is energy-saving and environment-friendly, and the treatment process is simple. The above-described treatment process thus provides a simple, efficient and economical treatment of hazardous waste residues.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view illustrating a hazardous waste incineration residue treatment system according to a preferred embodiment of the present invention.
Wherein the figures include the following reference numerals:
100. a hazardous waste incineration residue supply device; 101. a hazardous waste incineration residue supply port; 102. a smoke dust recycling port;
200. a lead and zinc containing raw material supply device; 201. a lead and zinc containing raw material supply port;
300. an oxidation smelting device; 301. an oxidizing smelting inlet; 302. a zinc-containing slag outlet; 303. a first flue gas outlet;
400. a reduction smelting device; 401. a reduction smelting inlet; 402. a reduced slag outlet; 403. a second flue gas outlet;
500. a fuming device; 501. a fuming inlet; 502. a third flue gas outlet;
600. a metering device;
700. a dust collecting device; 701. a flue gas inlet; 702. an acid gas outlet; 703. a smoke outlet;
800. an acid making system; 801. and an acid gas inlet.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail with reference to examples.
As described in the background art, the conventional hazardous waste incineration residue cannot be effectively treated. In order to solve the above technical problem, the present application provides a hazardous waste incineration residue treatment system, as shown in fig. 1, the treatment system comprising: an oxidation smelting device 300, a reduction smelting device 400 and a fuming device 500. The oxidation smelting device 300 is provided with an oxidation smelting inlet 301, a first lead-containing metal phase outlet and a zinc-containing slag outlet 302, wherein the oxidation smelting inlet 301 is used for adding hazardous waste incineration residues, a lead-containing zinc raw material and oxygen-enriched air; the reduction smelting device 400 is provided with a reduction smelting inlet 401, a first metal phase outlet and a reduction slag outlet 402, wherein the reduction smelting inlet 401 is communicated with the zinc-containing slag outlet 302; and a fuming inlet 501 is arranged on the fuming device 500, and the fuming inlet 501 is communicated with the reducing slag outlet 402.
The hazardous waste incineration residues, the lead-zinc-containing raw materials and the oxygen-enriched raw materials are subjected to oxidation smelting in an oxidation smelting device 300, so that lead elements exist in the form of crude lead to form a first lead-containing metal phase (first crude lead), and zinc elements in the lead-zinc-containing raw materials are left in solid slag to form zinc-containing slag, so that the lead elements and the zinc elements are separated; the zinc-containing slag and the reducing material are subjected to reduction smelting in a reduction smelting device 400, so that lead elements in the lead-containing waste can be reduced to form a second metal phase (second lead bullion) and reducing slag; the reduced slag is fuming in the fuming apparatus 500 to form zinc oxide and harmless fuming slag.
The treatment of the incineration residue containing hazardous wastes together with the raw material containing lead and zinc can convert the zinc element contained in the two raw materials into zinc oxide and transfer the lead element into harmless fuming slag. By adopting the treatment system, zinc oxide in the lead-zinc-containing raw material can be recovered, and hazardous waste incineration residues can be converted into more environment-friendly fuming furnace slag. The fuming slag can be used as a building raw material subsequently, and the economic value of the hazardous waste incineration residue is greatly improved. Meanwhile, the treatment method is energy-saving and environment-friendly, and the treatment process is simple.
In a preferred embodiment, as shown in fig. 1, the treatment system further comprises a metering device 600 for controlling the weight ratio of the hazardous waste incineration residue to the lead-zinc containing raw material. The provision of the metering device 600 facilitates better control of the weight ratio of hazardous waste incineration residues to the lead-zinc containing raw material, thereby facilitating further improvement of the efficiency of treatment of the hazardous waste incineration residues.
In a preferred embodiment, as shown in fig. 1, the oxidation smelting device 300 is further provided with a first flue gas outlet 303, the reduction smelting device 400 is further provided with a second flue gas outlet 403, the fuming device 500 is further provided with a third flue gas outlet 502, the processing system further includes a dust collecting device 700, the dust collecting device 700 is provided with a flue gas inlet 701, an acid gas outlet 702 and a flue gas outlet 703, and the flue gas inlet 701 is respectively communicated with the first flue gas outlet 303, the second flue gas outlet 403 and the third flue gas outlet 502. The solid dust and the acid gas in the first smoke dust, the second smoke dust and the third smoke dust can be separated through dust collection treatment, so that targeted recovery treatment can be conveniently carried out subsequently.
Preferably, as shown in fig. 1, the treatment system further includes an acid making system 800, the acid making system 800 is provided with an acid gas inlet 801, and the acid gas inlet 801 is communicated with the acid gas outlet 702.
In order to increase the degree of automation of the processing system, in a preferred embodiment, as shown in fig. 1, the processing system further comprises: the system comprises a hazardous waste incineration residue supply device 100 and a lead-zinc containing raw material supply device 200, wherein the hazardous waste incineration residue supply device 100 is provided with a hazardous waste incineration residue supply port 101, the lead-zinc containing raw material supply device 200 is provided with a lead-zinc containing raw material supply port 201, and the hazardous waste incineration residue supply port 101 and the lead-zinc containing raw material supply port 201 are both communicated with an oxidation smelting inlet 301.
Preferably, as shown in fig. 1, the hazardous waste incineration residue supply device 100 is further provided with a smoke recovery port 102, and the smoke recovery port 102 is communicated with the smoke outlet 703. The communication between the smoke recycling port 102 and the smoke outlet 703 is advantageous for further improving the efficiency of disposing the incineration residue of the hazardous waste.
The hazardous waste incineration residue and the lead-zinc containing raw material can be fed by a feeding method commonly used in the art, such as direct feeding, and more preferably by a spray gun. The spraying by the spray gun is beneficial to further improving the treatment efficiency of the hazardous waste incineration residues and the lead-zinc containing raw materials.
In a preferred embodiment, fuming apparatus 500, reduction smelting apparatus 400, and oxidation smelting apparatus 300 are each independently selected from an electric heat smelting apparatus and a molten bath smelting apparatus. Molten bath melting devices include, but are not limited to, side-blown melting devices, top-blown melting devices, or bottom-blown melting devices.
Another aspect of the present application also provides a method for treating hazardous waste incineration residue, the method comprising: carrying out oxidation smelting on the hazardous waste incineration residues, a lead-zinc containing raw material and oxygen-enriched air to obtain a first lead-containing metal phase and zinc-containing slag; carrying out reduction smelting on the zinc-containing slag and a reducing material to obtain a second lead-containing metal phase and a reducing slag; the reduced furnace slag is subjected to fuming treatment to obtain zinc oxide smoke dust and fuming furnace slag.
Because the hazardous waste incineration residue often contains high-content heavy metals such as lead, zinc and the like, the hazardous waste incineration residue, the lead-zinc-containing raw material and the oxygen-enriched raw material are subjected to oxidation smelting, so that lead element exists in the form of crude lead to form a first lead-containing metal phase (first crude lead), and zinc element in the lead-zinc-containing raw material is left in solid slag to form zinc-containing slag, so that the lead element and the zinc element are separated; reducing and smelting the zinc-containing slag and the reducing material, so that lead elements in the lead-containing waste can be reduced to form a second metal phase (second lead bullion), and reducing slag; the reduced slag is fuming in the subsequent fuming process to form zinc oxide and harmless fuming slag.
The treatment of the incineration residue containing hazardous wastes together with the raw material containing lead and zinc can convert the zinc element contained in the two raw materials into zinc oxide and transfer the lead element into harmless fuming slag. By adopting the treatment method, zinc oxide in the raw material containing lead and zinc can be recovered, and the hazardous waste incineration residue can be converted into more environment-friendly fuming slag. The fuming slag can be used as a building raw material subsequently, and the economic value of the hazardous waste incineration residue is greatly improved. Meanwhile, the treatment method is energy-saving and environment-friendly, and the treatment process is simple. The above-described treatment process thus provides a simple, efficient and economical treatment of hazardous waste residues.
In a preferred embodiment, the content of the hazardous waste incineration residue is 0.1-20% by weight of the hazardous waste incineration residue and the lead-zinc containing raw material. The weight ratio of the hazardous waste incineration residue to the lead-zinc containing raw material includes, but is not limited to, the above range, and it is advantageous to further improve the treatment efficiency of the hazardous waste incineration residue by limiting it to the above range. In order to further improve the treatment efficiency of the hazardous waste incineration residue, more preferably, the content of the hazardous waste incineration residue is 10-20% by weight of the hazardous waste incineration residue and the lead-zinc containing raw material.
In a preferred embodiment, the fuming treatment process is performed at 1100-1300 ℃, the oxidizing smelting process is performed at 1100-1400 ℃, and the reducing smelting process is performed at 1100-1400 ℃. The temperatures of the fuming treatment process, the oxidation smelting process and the reduction smelting process include, but are not limited to, the above ranges, and limiting them within the above ranges is advantageous for further improving the efficiency of the treatment of the hazardous waste incineration residue, and also for improving the recovery rates of the lead element and the zinc element. In order to further improve the treatment efficiency of the hazardous waste incineration residues and the recovery rate of the lead element and the zinc element, more preferably, the temperature in the fuming treatment process is 1050-1200 ℃, the temperature in the oxidation smelting process is 1150-1250 ℃, and the temperature in the reduction smelting process is 1200-1300 ℃.
In a preferred embodiment, the products of the oxidative smelting process further include first fumes, the products of the reductive smelting process further include second fumes, and the products of the fuming process further include third fumes, the process further comprising: carrying out dust collection treatment on the first smoke dust, the second smoke dust and the third smoke dust to obtain solid dust and acid gas; acid gas is used as a raw material to prepare acid, and the solid dust is subjected to oxidation smelting again. The solid dust and the acid gas in the first smoke dust, the second smoke dust and the third smoke dust can be separated through dust collection treatment, so that targeted recovery treatment can be conveniently carried out subsequently. For example, the acid gas obtained after dust collection of the flue gas is used for preparing acid (such as hydrochloric acid and sulfuric acid), and the solid dust and the hazardous waste incineration residue are used as raw materials for treatment again.
The above treatment method provided in the present application can use all hazardous waste incineration residues in the art. In a preferred embodiment, the hazardous waste incineration residue includes, but is not limited to, one or more of combustion residue, fly ash, and solid matter obtained after dust collection treatment.
In the above treatment method, the fuel used in the molten bath smelting unit includes, but is not limited to, one or more of natural gas, coke oven gas, pulverized coal, waste mineral oil and diesel oil.
The present application is described in further detail below with reference to specific examples, which should not be construed as limiting the scope of the invention as claimed.
In terms of the weight percentage of the mixture of the hazardous waste incineration residue, the raw material containing lead and zinc and the reducing material, the weight percentage of the hazardous waste incineration residue used in the embodiment is not more than 20 wt%, and in the mixture of the hazardous waste incineration residue and the raw material containing lead and zinc, the proportion of Pb element is more than or equal to 30%, the proportion of Zn element is 0-20%, and the proportion of Cl element is less than or equal to 1%.
Example 1
The method is characterized in that natural gas is used as a main fuel, waste mineral oil is used as an auxiliary fuel, three raw materials of 90 wt% of lead concentrate, 9 wt% of hazardous waste incineration residue and 1 wt% of dry particles of waste incineration fly ash are melted, and oxygen-enriched air is blown into a melt for oxidation smelting. Wherein the oxidation smelting temperature is 1200 ℃, and a primary crude lead product (the lead element content is 92 wt%), high zinc slag (the zinc element content is 60 wt%) and first flue gas are prepared.
And adding coke into the high-zinc slag as a reducing material, and carrying out reduction smelting at 1300 ℃ to obtain a secondary lead bullion product (the content of lead element is 95 wt%), a reducing slag and second flue gas.
And (3) fuming the reduced slag, wherein the fuming temperature is 1100 ℃, and obtaining zinc oxide, harmless slag and third flue gas. Carrying out water quenching treatment on the discharged harmless slag to obtain water-quenched slag as a building material;
and (3) feeding the first flue gas, the second flue gas and the third flue gas into an acid making system to respectively prepare industrial sulfuric acid and industrial hydrochloric acid.
The recovery rate of zinc element is 90.2% and the recovery rate of lead element is 93.3%.
Example 2
The method comprises the steps of taking natural gas as a main fuel, taking waste mineral oil as an auxiliary fuel, taking three raw materials of lead concentrate with the weight percentage of 90%, hazardous waste incineration residue with the weight percentage of 9%, dry particles of waste incineration fly ash with the weight percentage of 1% and coke as reducing materials, and carrying out reduction smelting, wherein the reduction smelting temperature is 1300 ℃, so as to obtain a secondary crude lead product (the content of lead element is 90.6 wt%), a reduction furnace slag and second flue gas.
And (3) fuming the reduced slag, wherein the fuming temperature is 1100 ℃, and obtaining zinc oxide, harmless slag and third flue gas. Carrying out water quenching treatment on the discharged harmless slag to obtain water-quenched slag as a building material; and feeding the second flue gas and the third flue gas into an acid making system to respectively prepare industrial sulfuric acid and industrial hydrochloric acid.
The recovery rate of the zinc element and the recovery rate of the lead element after the treatment are 85.9% and 91.0%.
Example 3
The method comprises the steps of taking natural gas as a main fuel, taking waste mineral oil as an auxiliary fuel, and carrying out fuming treatment on three raw materials of 90 wt% of lead concentrate, 9 wt% of hazardous waste incineration residue and 1 wt% of dry particles of waste incineration fly ash, wherein the fuming temperature is 1100 ℃, so as to obtain zinc oxide, harmless slag and third flue gas. Carrying out water quenching treatment on the discharged harmless slag to obtain water-quenched slag as a building material; and sending the third flue gas into an acid making system to respectively prepare industrial sulfuric acid and industrial hydrochloric acid.
The recovery rate of zinc element is 75.3% and the recovery rate of lead element is 85.4%.
Example 4
The differences from example 1 are: the temperature of the oxidation smelting is 1050 ℃, the temperature of the reduction smelting process is 1100 ℃, and the temperature of the fuming treatment process is 1200 ℃.
The recovery rate of zinc element after the treatment is 84.3%, and the recovery rate of lead element is 90.0%.
Example 5
The differences from example 1 are: the temperature of the oxidation smelting is 1400 ℃, the temperature of the reduction smelting process is 1400 ℃, and the temperature of the fuming treatment process is 1300 ℃.
The recovery rate of the zinc element and the recovery rate of the lead element are respectively 89.8% and 95.6%.
Example 6
The differences from example 1 are: the hazardous waste incineration residue was 18% by weight.
The recovery rate of zinc element is 90.5% and the recovery rate of lead element is 92.1% after the treatment.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: by adopting the treatment method, zinc oxide in the raw material containing lead and zinc can be recovered, and the hazardous waste incineration residue can be converted into more environment-friendly fuming slag. The fuming slag can be used as a building raw material subsequently, and the economic value of the hazardous waste incineration residue is greatly improved. Meanwhile, the treatment method is energy-saving and environment-friendly, and the treatment process is simple. The above-described treatment process thus provides a simple, efficient and economical treatment of hazardous waste residues.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (7)

1. A hazardous waste incineration residue treatment system, the treatment system comprising:
an oxidation smelting device (300), wherein the oxidation smelting device (300) is provided with an oxidation smelting inlet (301), a first lead-containing metal phase outlet and a zinc-containing slag outlet (302), wherein the oxidation smelting inlet (301) is used for adding the hazardous waste incineration residue, a lead-containing zinc raw material and oxygen-enriched air;
a reduction smelting apparatus (400), the reduction smelting apparatus (400) being provided with a reduction smelting inlet (401), a second lead-containing metal phase outlet and a reduction slag outlet (402), wherein the reduction smelting inlet (401) is in communication with the zinc-containing slag outlet (302); and
a fuming device (500), the fuming device (500) being provided with a fuming inlet (501), the fuming inlet (501) being communicated with the reduced slag outlet (402).
2. The treatment system according to claim 1, further comprising a metering device (600) for controlling the weight ratio of said hazardous waste incineration residue to said lead-zinc containing raw material.
3. The treatment system according to claim 1 or 2, wherein the oxidation smelting device (300) is further provided with a first flue gas outlet (303), the reduction smelting device (400) is further provided with a second flue gas outlet (403), the fuming device (500) is further provided with a third flue gas outlet (502), the treatment system further comprises a dust collecting device (700), the dust collecting device (700) is provided with a flue gas inlet (701), an acid gas outlet (702) and a flue gas outlet (703), and the flue gas inlet (701) is respectively communicated with the first flue gas outlet (303), the second flue gas outlet (403) and the third flue gas outlet (502).
4. A treatment system according to claim 3, further comprising an acid making system (800), the acid making system (800) being provided with an acid gas inlet (801), the acid gas inlet (801) being in communication with the acid gas outlet (702).
5. The processing system of claim 3, further comprising:
a hazardous waste incineration residue supply device (100), the hazardous waste incineration residue supply device (100) being provided with a hazardous waste incineration residue supply port (101);
the lead-zinc containing raw material supply device (200), the lead-zinc containing raw material supply device (200) is provided with a lead-zinc containing raw material supply port (201), and the hazardous waste incineration residue supply port (101) and the lead-zinc containing raw material supply port (201) are both communicated with the oxidation smelting inlet (301).
6. A treatment system according to claim 5, wherein the hazardous waste incineration residue supply device (100) is further provided with a smoke recovery port (102), the smoke recovery port (102) being in communication with the smoke outlet (703).
7. The processing system of claim 1 or 2, wherein the fuming device (500), the reduction smelting device (400), and the oxidation smelting device (300) are each independently selected from an electrothermal smelting device and a bath smelting device.
CN201921988709.1U 2019-11-15 2019-11-15 Hazardous waste incineration residue treatment system Active CN211057191U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110735043A (en) * 2019-11-15 2020-01-31 中国恩菲工程技术有限公司 Treatment method and treatment system for hazardous waste incineration residues

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110735043A (en) * 2019-11-15 2020-01-31 中国恩菲工程技术有限公司 Treatment method and treatment system for hazardous waste incineration residues

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