CN215391533U - Processing apparatus who contains arsenic waste residue resource utilization - Google Patents
Processing apparatus who contains arsenic waste residue resource utilization Download PDFInfo
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- CN215391533U CN215391533U CN202121357268.2U CN202121357268U CN215391533U CN 215391533 U CN215391533 U CN 215391533U CN 202121357268 U CN202121357268 U CN 202121357268U CN 215391533 U CN215391533 U CN 215391533U
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Abstract
The utility model discloses a treatment device for resource utilization of arsenic-containing waste residues, which comprises a dryer, a material guide hopper, a material guide control valve, a vacuum reaction kettle, a discharge pipe, an ore mill, a first oxygen pressure leaching part, a second oxygen pressure leaching part, a gas pipe, a sulfur gas control valve, an arsenic gas pipe, an arsenic gas control valve, an arsenic condensation tank and a sulfur condensation tank, wherein the material guide hopper is arranged on the dryer; the dryer is connected with the vacuum reaction kettle through a material guide hopper, and a material guide control valve is arranged on the material guide hopper; the bottom of the vacuum reaction kettle is connected with one end of an ore mill through a discharge pipe with a discharge valve, and the other end of the ore mill is connected with the first oxygen pressure leaching part; the top of the vacuum reaction kettle is provided with a gas transmission pipe; the arsenic condensation tank is connected with the gas delivery pipe through the arsenic gas delivery pipe, and the arsenic gas delivery pipe is provided with an arsenic gas control valve; the sulfur condensation groove is connected with the gas pipe through the sulfur gas pipe, and the sulfur gas pipe is provided with a sulfur control valve. The utility model has the characteristics of realizing the recovery of arsenic and valuable metals, reducing the influence and pollution of arsenic on metal recovery and the like.
Description
Technical Field
The utility model relates to a treatment device for resource utilization of arsenic-containing waste residues.
Background
China has abundant and various mineral resources, and nonferrous metal mining and smelting enterprises are in the process of transportation. In the development of lead, zinc, copper and other non-ferrous metal mineral resources, arsenic resources are often associated, and in the smelting process, arsenic enters flue gas, waste water and waste residues in the form of oxides, sulfides and the like, only about 10 percent of arsenic is recycled, and the balance is industrial waste which is complex in components and difficult to treat. Wherein, the arsenic enriched into various smelting slags not only poses serious threat to local ecological environment, but also is not beneficial to the recycling of valuable metals in the smelting slags because of the huge amount and harmfulness of the smelting slags.
At present, the treatment process of arsenic-containing waste residue mainly comprises the processes of solidification and landfill, pyrogenic roasting, wet leaching and the like.
The curing agent is used for curing arsenic-containing waste residues by using cement, chemical agents, blast furnace slag, plastic materials and the like, so that the arsenic leaching toxicity of the waste residues is lower than the dangerous leaching toxicity concentration.
The pyrogenic process roasting process is to oxidize arsenic in the arsenic-containing waste residue to form arsenic trioxide by roasting, and then to prepare the arsenic trioxide into a product, thereby achieving the purpose of comprehensive utilization.
The wet leaching process includes leaching soluble elements such as arsenic from waste residue into solution under normal pressure or high pressure, separating insoluble matter from soluble matter, further separating soluble elements such as arsenic from solution, and preparing arsenic trioxide and other elements into corresponding products.
Wherein, the arsenic removal by the pyrogenic process is realized by adding an oxidant to roast arsenic-containing waste residue at the high temperature of 600-. The wet arsenic removal is to leach arsenic in the waste residue by using a chemical reagent, and then reduce and cool the arsenic by using sulfur dioxide to form arsenic trioxide recovery, so that the waste residue is recycled. In contrast, solidification landfill is widely used because of its advantages such as low cost and easy operation, but there are still problems such as non-recyclability and resource waste.
Disclosure of Invention
The utility model aims to provide a treatment device for resource utilization of arsenic-containing waste residues, aiming at the defects of the prior art.
In order to achieve the above object of the present invention, the following technical solutions are provided:
a treatment device for resource utilization of arsenic-containing waste residues comprises a dryer, a material guide hopper, a material guide control valve, a vacuum reaction kettle, a discharge pipe, an ore mill, a first oxygen pressure leaching part, a second oxygen pressure leaching part, a gas pipe, a sulfur gas control valve, an arsenic gas pipe, an arsenic gas control valve, an arsenic condensation tank and a sulfur condensation tank; the dryer is connected with the vacuum reaction kettle through a material guide hopper, and a material guide control valve is arranged on the material guide hopper; the bottom of the vacuum reaction kettle is connected with one end of an ore mill through a discharge pipe with a discharge valve, and the other end of the ore mill is connected with the first oxygen pressure leaching part; the top of the vacuum reaction kettle is provided with a gas conveying pipe; the arsenic condensation tank is connected with a gas delivery pipe through an arsenic gas delivery pipe, and the arsenic gas delivery pipe is provided with an arsenic gas control valve; the sulfur condensation tank is connected with the gas transmission pipe through the sulfur gas transmission pipe, and the sulfur gas transmission pipe is provided with a sulfur gas control valve.
As a further improvement of the technical scheme, the first oxygen pressure leaching part comprises a material guiding piece, a first discharging valve, a first feeding pipe, a first autoclave, a first flash tank, a first dense tank and a first filter press; a material guide piece and a first feeding pipe are mounted on the first autoclave, and the material guide piece is provided with a first discharge valve; one end of the first flash tank is connected with the top of the first high-pressure kettle, and the other end of the first flash tank is connected with one end of the first dense tank; the other end of the first dense groove is connected with a first filter press.
As a further improvement of the technical scheme, the treatment device for resource utilization of the arsenic-containing waste residue further comprises a first material conveying pipe, a first material feeding pipe, a first material pumping pump and a first control valve; one end of the first material pumping pump is connected with the first high-pressure kettle through a first material feeding pipe, and the other end of the first material pumping pump is connected with the first flash evaporation groove through a first material conveying pipe; wherein, the first conveying pipeline is provided with a first control valve.
As a further improvement of the technical scheme, the treatment device for resource utilization of the arsenic-containing waste residue further comprises a first slag discharge valve, a first slag discharge pipe, a first guide pipe and a first thickening valve; the first flash tank is connected with the first thickening tank through a first slag discharge pipe, and the first slag discharge pipe is provided with a first slag discharge valve; the first thickening tank is connected with the first filter press through a first guide pipe, and the first guide pipe is provided with a first thickening valve.
As a further improvement of the technical scheme, the second oxygen pressure leaching part comprises a material guide pipe, a second discharge valve, a second feeding pipe, a second autoclave, a second flash tank, a second dense tank and a second filter press; a material guide pipe and a second feeding pipe are mounted on the first high-pressure kettle, and the material guide pipe is provided with a second discharge valve; one end of the second flash tank is connected with the top of the second high-pressure kettle, and the other end of the second flash tank is connected with one end of the second dense tank; the other end of the second dense trough is connected with a second filter press.
As a further improvement of the technical scheme, the treatment device for resource utilization of the arsenic-containing waste residue further comprises a second conveying pipeline, a second feeding pipe, a second pumping pump and a second control valve; one end of the second material pumping pump is connected with the second high-pressure kettle through a second material feeding pipe, and the other end of the second material pumping pump is connected with the second flash evaporation tank through a second material conveying pipe; wherein, the second conveying pipeline is provided with a second control valve.
As a further improvement of the technical scheme, the treatment device for resource utilization of the arsenic-containing waste residue further comprises a second slag discharge valve, a second slag discharge pipe, a second guide pipe and a second thickening valve; the second flash evaporation tank is connected with the second thickening tank through a second slag discharge pipe, and the second slag discharge pipe is provided with a second slag discharge valve; the second dense tank is connected with the second filter press through a second guide pipe, and the second guide pipe is provided with a second dense valve.
As a further improvement of the technical scheme, the processing device for resource utilization of the arsenic-containing waste residue also comprises a master control valve; the gas transmission pipe is provided with a master control valve.
Compared with the prior art, the utility model has the advantages that:
1. the utility model recovers the sulfur and separates the arsenic, reduces the supporting facilities and reduces the processing cost; and then the high-pressure reaction kettle is utilized to carry out leaching reaction respectively, thereby realizing the recovery of arsenic and valuable metals, separating the recovery and utilization of arsenic and valuable metals and reducing the influence and pollution of arsenic on metal recovery.
2. The utility model sends the residual arsenic-removing waste residue in the vacuum reaction kettle into the first oxygen pressure leaching part for secondary treatment, the filter residue obtained after the treatment of the first oxygen pressure leaching part is used for recovering lead, and the filtrate is used for recovering rhenium, thereby realizing the recovery of valuable metals.
3. According to the utility model, the arsenic condensate residue in the arsenic condensate tank is sent to the second oxygen pressure leaching part for retreatment, the filter residue is used for recovering sulfur, and the filtrate is used for recovering and producing arsenic trioxide products, so that the arsenic metal can be recycled, and the recovery rate of arsenic-containing waste residue is improved.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of a treatment apparatus for resource utilization of arsenic-containing waste residues according to the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is a schematic view of the structure of a first oxygen pressure leaching section in the present invention;
FIG. 4 is a schematic view showing the structure of a second oxygen pressure leaching section in the present invention;
names and serial numbers of the components in the figure:
1-a dryer, 2-a material guide hopper, 3-a material guide control valve, 4-a stirring part, 5-a vacuum reaction kettle, 6-a discharge pipe and 7-an ore grinding machine;
8-a first oxygen pressure leaching part, 81-a first control valve, 82-a first conveying pipeline, 83-a first flash tank, 84-a first slag discharge valve, 85-a first slag discharge pipe, 86-a first dense tank, 87-a first pushing piece, 88-a first dense valve, 89-a first guide pipe, 810-a first filter press, 811-a first feeding pipe, 812-a first feeding valve, 813-a first autoclave, 814-a first feeding pipe, 815-a first discharge valve, 816-a guide piece, 817-a first stirring piece, 818-a first pumping pump;
9-a second oxygen pressure leaching part, 91-a second control valve, 92-a second gas conveying pipe, 93-a second flash tank, 94-a second slag discharging valve, 95-a second slag discharging pipe, 96-a second dense tank, 97-a second pushing piece, 98-a second dense valve, 99-a second guiding pipe, 910-a second filter press, 911-a second discharging pipe, 912-a second feeding valve, 913-a second autoclave, 914-a second feeding pipe, 915-a second discharging valve, 916-a guiding pipe, 917-a second stirring piece and 918-a second pumping pump;
10-an arsenic condensation tank, 11-a sulfur condensation tank, 12-an arsenic gas conveying pipe, 13-a sulfur control valve, 14-a sulfur gas conveying pipe, 15-an arsenic control valve, 16-a conveying pipe and 17-a master control valve.
Detailed Description
In order to make the technical solutions in the present application better understood, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application shall fall within the protection scope of the present application.
Example 1:
as shown in fig. 1 to 4, a treatment device for resource utilization of arsenic-containing waste residue comprises a dryer 1, a material guide hopper 2, a material guide control valve 3, a vacuum reaction kettle 5, a material discharge pipe 6, an ore mill 7, a first oxygen pressure leaching part 8, a second oxygen pressure leaching part 9, a gas pipe 16, a sulfur gas pipe 14, a sulfur gas control valve 13, an arsenic gas pipe 12, an arsenic gas control valve 15, an arsenic condensation tank 10 and a sulfur condensation tank 11; the dryer 1 is connected with the vacuum reaction kettle 5 through a material guide hopper 2, and a material guide control valve 3 is arranged on the material guide hopper 2; the bottom of the vacuum reaction kettle 5 is connected with one end of an ore mill 7 through a discharge pipe 6 with a discharge valve, and the other end of the ore mill 7 is connected with a first oxygen pressure leaching part 8; the top of the vacuum reaction kettle 5 is provided with a gas pipe 16; the arsenic condensation tank 10 is connected with an arsenic gas conveying pipe 16 through an arsenic gas conveying pipe 12, and the arsenic gas conveying pipe 12 is provided with an arsenic gas control valve 15; the sulfur condensation tank 11 is connected with a gas pipe 12 through a sulfur gas pipe 14, and the sulfur gas pipe 14 is provided with a sulfur control valve 13.
Install stirring 4 on vacuum reation kettle 5, stirring 4 stirs the material in the vacuum reation kettle 5, can be convenient for the material thermally equivalent.
The working mode is as follows:
sending the arsenic-rhenium-containing slag into a dryer 1 for drying, leading the dried arsenic-containing slag into a material guide hopper 2 from the dryer 1, leading the arsenic-containing slag into a vacuum reaction kettle 5 by the material guide hopper 2, carrying out step temperature control on the arsenic-containing slag in the vacuum reaction kettle 5,
the vacuum reaction kettle 5 controls the temperature to be 280-300 ℃ and carries out vacuum desulfurization for 2-4 hours under the vacuum condition that the vacuum degree is 30-90 kpa, the arsenic-containing slag is desulfurized, sulfur steam obtained through desulfurization is conveyed out of the vacuum reaction kettle 5 through the gas conveying pipe 16, at the moment, the arsenic control valve 15 is in a closed state, the sulfur steam is prevented from entering the arsenic condensation tank 10, the sulfur control valve 13 is opened, and the sulfur steam enters the sulfur condensation tank 11 through the sulfur gas conveying pipe 14 to be condensed and settled, so that a sulfur simple substance is obtained.
Controlling the temperature of the vacuum reaction kettle 5 at 600-650 ℃ and the vacuum degree of 30-90 kpa, and removing arsenic for 3-4 hours to obtain arsenic-containing gas and arsenic-removed waste residues, wherein the sulfur control valve 13 is in a closed state to prevent the arsenic-containing gas from entering the sulfur condensation tank 11; and opening the arsenic control valve 15, and allowing the arsenic-containing gas to enter the arsenic condensation tank 10 through the arsenic gas delivery pipe 12 for condensation and settlement to obtain arsenic-containing condensation slag.
The dearsenification waste residue is discharged into an ore mill 7 through a discharge pipe 6 through a vacuum reaction kettle 5, the dearsenification waste residue is ground by the ore mill 7, powder obtained by grinding is sent into a first oxygen pressure leaching part 8 for oxygen pressure leaching, the obtained ore pulp is cooled and depressurized and then concentrated, the concentrated ore pulp is filtered to obtain filter residue and filtrate, the filter residue is used for recovering lead, and the filtrate is used for recovering rhenium.
And (3) sending the arsenic condensate slag obtained in the arsenic condensation tank 10 into a second oxygen pressure leaching part 9 for oxygen pressure leaching reaction, cooling and depressurizing the obtained arsenic-containing ore pulp, concentrating, filtering the concentrated arsenic-containing ore pulp, recovering sulfur from filter residues, and recovering and producing an arsenic trioxide product from the filtrate.
Example 2:
compared with example 1, the difference is that: one form of construction of the first oxygen pressure leach section is given.
As shown in fig. 3, the first oxygen pressure leaching part 8 comprises a material guiding member 816, a first discharge valve 815, a first feeding pipe 814, a first autoclave 813, a first flash tank 83, a first dense tank 86 and a first filter press 810; a material guiding member 816 and a first feeding pipe 814 are installed on the first autoclave 813, and the material guiding member 816 is provided with a first discharging valve 815; one end of the first flash tank 83 is connected with the bottom of the first autoclave 813, and the other end thereof is connected with one end of the first dense tank 86; the other end of the first thickening tank 86 is connected to a first filter press 810.
The first thickening tank 86 is provided with a first pushing member 87, and the first pushing member 87 is convenient for discharging the slurry material in the first thickening tank 86 outwards.
The first autoclave 813 is provided with a first stirring member 817, and the first stirring member 817 stirs the contents of the first autoclave 813 so as to facilitate the complete reaction in the first autoclave 813.
The working mode is as follows:
the slag powder obtained by grinding by the ore mill 7 is subjected to size mixing and then is sent into the first high-pressure kettle 813 through the material guide member 815, the prepared sulfuric acid solution is sent into the first high-pressure kettle 813 through the first feeding pipe 814, oxygen is then introduced, the materials are subjected to pond leaching in the first high-pressure kettle 813, the leaching time is 2 hours, the reaction temperature is 115-125 ℃, and the pressure in the first high-pressure kettle 813 is 700-800 kPa.
After the oxygen pressure leaching reaction in the first high-pressure kettle 813 is finished, the ore pulp material is conveyed to the first flash tank 83 to be cooled and depressurized, then is conveyed to the first dense tank 86 to be concentrated, the concentrated ore pulp material is conveyed to the first filter press through the first dense tank 86 to be filtered, filter residue and filtrate are obtained, the filter residue is used for recovering lead, and the filtrate is used for recovering rhenium.
Example 3:
compared with the embodiment 2, the difference lies in that: a connection structure between the first autoclave and the first flash tank is shown, and for this purpose, a first feed pipe 82, a first feed pipe 811, a first pump 818 and a first control valve 81 are additionally installed.
As shown in fig. 3, one end of the first pumping pump 818 is connected to the first autoclave 813 through the first feeding pipe 811, and the other end thereof is connected to the first flash tank 83 through the first feeding pipe 82; wherein, the first material conveying pipe 82 is provided with a first control valve 81.
In order to enable the first autoclave to work, a first feeding valve 812 is additionally installed, and a first autoclave 813 is connected with a first feeding pipe 811 through the first feeding valve 812.
Example 4:
compared with the embodiment 2 or 3, the difference lies in that: a connecting structure form among the first flash tank, the first filter press and the first thickening tank is provided, and for this purpose, a first slag discharge valve 84, a first slag discharge pipe 85, a first guide pipe 89 and a first thickening valve 88 are additionally arranged.
As shown in fig. 3, the first flash tank 83 and the first dense tank 86 are connected by a first slag discharge pipe 85, and the first slag discharge pipe 85 is provided with a first slag discharge valve 84; the first thickening tank 86 is connected to a first filter press 810 via a first guide pipe 89, and a first thickening valve 88 is attached to the first guide pipe 89.
Example 5:
compared with any of examples 1 to 4, the difference is that: one form of construction of the second oxygen pressure leach section is given.
As shown in fig. 4, the second oxygen pressure leaching section 9 includes a material guiding pipe 916, a second material discharging valve 915, a second material feeding pipe 914, a second autoclave 913, a second flash tank 93, a second dense tank 96, and a second filter press 910; a material guide pipe 916 and a second feeding pipe 914 are installed on the first autoclave 913, and the material guide pipe 916 is provided with a second discharging valve 915; one end of the second flash tank 93 is connected to the top of the second autoclave 913, and the other end thereof is connected to one end of the second dense tank 96; the other end of the second thickening tank 96 is connected to a second filter press 910.
The second material pushing part 97 is installed on the second thickening tank 96, and the second material pushing part 97 is convenient for discharging the ore pulp material in the second thickening tank 96 outwards.
The second autoclave 913 is provided with a second stirring section 917, and the second stirring section 917 stirs the contents of the second autoclave 913 to facilitate the reaction in the second autoclave 913.
The working mode is as follows:
the arsenic-containing condensed slag in the arsenic condensation tank is sent into a second high-pressure kettle 913, oxygen is introduced into the second high-pressure kettle 913 through a second feeding pipe 914, oxygen is introduced into the second high-pressure kettle 913, oxygen pressure leaching reaction is carried out in the second high-pressure kettle 913 after the oxygen is introduced, the leaching time is 3 hours, the reaction temperature is 150 ℃, the oxygen pressure is 500kPa, the arsenic leaching rate is 98%, after the reaction is finished, the arsenic-containing ore slurry is sent into a second flash tank 93 for cooling and depressurization, then the arsenic-containing ore slurry enters a second dense tank 96 for concentration, the concentrated arsenic-containing ore slurry is sent into a second filter press 910, and is filtered and separated through the second filter press 910, so that filtrate and filter residue are obtained, the filter residue is used for recovering sulfur, and the filtrate is used for recovering and producing arsenic trioxide products.
Example 6:
compared with example 1, the difference is that: a connection structure between the second autoclave and the second flash tank is shown, and for this purpose, a second material conveying pipe 92, a second material feeding pipe 911, a second material pumping pump 918 and a second control valve 91 are additionally installed.
As shown in fig. 4, one end of the second pumping pump 918 is connected to the second autoclave 913 through a second feeding pipe 911, and the other end thereof is connected to the second flash tank 93 through a second feeding pipe 92; wherein, the second feed delivery pipe 92 is provided with a second control valve 91.
In order to facilitate the oxygen pressure leaching reaction in the second autoclave 913, a second feeding valve 912 is additionally arranged, and the second autoclave 913 is connected with a second feeding pipe 911 through the second feeding valve 912.
Example 7:
compared with example 5 or 6, the difference is that: a connecting structure form among the second flash evaporation tank, the second filter press and the second thickening tank is provided, and for this purpose, a second slag discharge valve 94, a second slag discharge pipe 95, a second guide pipe 99 and a second thickening valve 98 are additionally arranged.
As shown in fig. 4, the second flash tank 93 and the second dense tank 96 are connected by a second slag discharge pipe 95, and the second slag discharge pipe 95 is provided with a second slag discharge valve 94; the second thickening tank 96 and the second filter press 910 are connected by a second conduit pipe 99, and the second thickening valve 98 is attached to the second conduit pipe 99.
Example 8:
compared with any of examples 1 to 7, the difference is that: in order to facilitate the control of the gas discharge of the gas pipe, a master control valve 17 is additionally arranged.
As shown in FIG. 1, the air delivery pipe 16 is provided with a master control valve 17. The master control valve can be convenient for controlling the air pipe to ventilate or cut off.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the utility model.
Claims (8)
1. A processing apparatus who contains arsenic waste residue resource utilization which characterized in that: the device comprises a dryer (1), a material guide hopper (2), a material guide control valve (3), a vacuum reaction kettle (5), a discharge pipe (6), an ore mill (7), a first oxygen pressure leaching part (8), a second oxygen pressure leaching part (9), a gas pipe (16), a sulfur gas pipe (14), a sulfur gas control valve (13), an arsenic gas pipe (12), an arsenic gas control valve (15), an arsenic condensation tank (10) and a sulfur condensation tank (11);
the dryer (1) is connected with the vacuum reaction kettle (5) through a material guide hopper (2), and the material guide hopper (2) is provided with a material guide control valve (3);
the bottom of the vacuum reaction kettle (5) is connected with one end of an ore mill (7) through a discharge pipe (6) with a discharge valve, and the other end of the ore mill (7) is connected with a first oxygen pressure leaching part (8);
the top of the vacuum reaction kettle (5) is provided with a gas pipe (16);
the arsenic condensation tank (10) is connected with an arsenic gas conveying pipe (16) through an arsenic gas conveying pipe (12), and the arsenic gas conveying pipe (12) is provided with an arsenic gas control valve (15);
the sulfur condensation tank (11) is connected with the gas conveying pipe (12) through a sulfur gas conveying pipe (14), and the sulfur gas conveying pipe (14) is provided with a sulfur gas control valve (13).
2. The apparatus for treating arsenic-containing waste residue resource utilization according to claim 1, wherein: the first oxygen pressure leaching part (8) comprises a material guide member (816), a first discharge valve (815), a first feeding pipe (814), a first high-pressure kettle (813), a first flash tank (83), a first dense tank (86) and a first filter press (810);
a material guiding piece (816) and a first feeding pipe (814) are arranged on the first autoclave (813), and the material guiding piece (816) is provided with a first discharging valve (815);
one end of the first flash tank (83) is connected with the bottom of the first high-pressure kettle (813), and the other end of the first flash tank is connected with one end of the first dense tank (86);
the other end of the first thickening tank (86) is connected to a first filter press (810).
3. The apparatus for treating arsenic-containing waste residue resource utilization according to claim 2, wherein: the device also comprises a first material conveying pipe (82), a first material feeding pipe (811), a first material pumping pump (818) and a first control valve (81);
one end of the first pumping pump (818) is connected with the first autoclave (813) through a first feeding pipe (811), and the other end of the first pumping pump is connected with the first flash tank (83) through a first conveying pipe (82);
wherein, the first material conveying pipe (82) is provided with a first control valve (81).
4. The apparatus for treating arsenic-containing waste residue resource utilization according to claim 2, wherein: the slag separator also comprises a first slag discharge valve (84), a first slag discharge pipe (85), a first guide pipe (89) and a first thick valve (88);
the first flash tank (83) is connected with the first dense tank (86) through a first slag discharge pipe (85), and the first slag discharge pipe (85) is provided with a first slag discharge valve (84);
the first thickening tank (86) is connected to a first filter press (810) via a first guide pipe (89), and a first thickening valve (88) is attached to the first guide pipe (89).
5. The apparatus for treating resource utilization of arsenic-containing waste residue as claimed in any one of claims 1 to 4, wherein: the second oxygen pressure leaching part (9) comprises a material guide pipe (916), a second material discharge valve (915), a second material feeding pipe (914), a second high-pressure kettle (913), a second flash tank (93), a second dense tank (96) and a second filter press (910);
a material guide pipe (916) and a second material feeding pipe (914) are arranged on the second autoclave (913), and the material guide pipe (916) is provided with a second material discharging valve (915);
one end of the second flash tank (93) is connected with the bottom of the second high-pressure kettle (913), and the other end of the second flash tank is connected with one end of the second dense tank (96);
the other end of the second dense trough (96) is connected with a second filter press (910).
6. The apparatus for treating arsenic-containing waste residue resource utilization according to claim 5, wherein: the device also comprises a second material conveying pipe (92), a second material feeding pipe (911), a second material pumping pump (918) and a second control valve (91);
one end of the second pumping pump (918) is connected with the second high-pressure kettle (913) through a second feeding pipe (911), and the other end of the second pumping pump is connected with the second flash tank (93) through a second feeding pipe (92);
wherein, the second material conveying pipe (92) is provided with a second control valve (91).
7. The apparatus for treating arsenic-containing waste residue resource utilization according to claim 5, wherein: the slag separator also comprises a second slag discharge valve (94), a second slag discharge pipe (95), a second guide pipe (99) and a second thick valve (98);
the second flash evaporation tank (93) is connected with the second dense tank (96) through a second slag discharge pipe (95), and the second slag discharge pipe (95) is provided with a second slag discharge valve (94);
the second thickening tank (96) is connected to a second filter press (910) via a second conduit pipe (99), and a second thickening valve (98) is attached to the second conduit pipe (99).
8. The apparatus for treating arsenic-containing waste residue resource utilization according to claim 1, wherein: the system also comprises a master control valve (17);
the gas transmission pipe (16) is provided with a master control valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121357268.2U CN215391533U (en) | 2021-06-18 | 2021-06-18 | Processing apparatus who contains arsenic waste residue resource utilization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121357268.2U CN215391533U (en) | 2021-06-18 | 2021-06-18 | Processing apparatus who contains arsenic waste residue resource utilization |
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| CN215391533U true CN215391533U (en) | 2022-01-04 |
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| CN202121357268.2U Active CN215391533U (en) | 2021-06-18 | 2021-06-18 | Processing apparatus who contains arsenic waste residue resource utilization |
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2021
- 2021-06-18 CN CN202121357268.2U patent/CN215391533U/en active Active
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