Dry ash closed-loop recovery processing device of triple stove

Abstract

The utility model relates to the technical field of non-ferrous metal metallurgy, in particular to a triple furnace dry ash closed-loop recovery processing device which comprises an ash collecting device, an ash metering device, a slag concentrate metering device and a mixing device. The cigarette ash collecting device comprises a bin type pump conveying pipeline, a seat bin type cloth bag dust collector, an exhaust fan, a cigarette ash bin and a cigarette ash bin support. The cigarette ash metering device comprises a cigarette ash gate valve and a metering screw feeder; the slag concentrate metering device comprises a slag concentrate steel bin, a steel bin support, a slag concentrate gate valve and a constant feeder. The mixing device comprises a feeding port, a cylindrical mixer and a discharging port. The device can uniformly mix smoke dust and slag concentrate in proportion, realizes closed-loop smoke dust recovery, solves the problem of smoke dust flying, improves the post operation environment and saves the production cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to non-ferrous metal smelting technical field, concretely relates to a three continuous furnace dry soot closed loop recycling processing device. BACKGROUND

[0002] The statements in this section merely provide background information related to the technical solutions of the present application and can not constitute the prior art of the technical solutions of the present application.

[0003] In recent years, with the continuous progress of pyrometallurgical process, the hot-state three continuous furnace of "oxygen-rich side-blown smelting + multi-gun top-blown continuous blowing + fire method anode refining" has broad application prospects. As a product of smelting, soot mainly comes from side-blown smelting waste heat boiler soot, electric dust collector soot, top-blown furnace waste heat boiler soot, electric dust collector soot, etc. Because soot contains many valuable metals, it needs to be recycled. There are mainly two kinds of soot treatment methods: 1. Use the warehouse pump to blow the soot to the top of the smelting furnace to join the smelting furnace; 2. Use the agricultural vehicle to transport to the concentrate warehouse and mix with the concentrate to join the smelting furnace. In the above processing steps, there are many safety problems and environmental pollution problems, as follows: 1. Dry soot is superfine soot, because the furnace is in a negative pressure environment, in the process of adding material, the soot is only suspended in the melt, part of the soot will enter the dust collection system again, and the soot that really participates in the reaction will be very little; 2. The agricultural vehicle cannot avoid the flying dust during loading, which pollutes the surrounding environment, and the vehicle also affects the surrounding environment during transportation. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problems existing in the prior art, the utility model provides a kind of three continuous furnace dry ash closed loop recycling processing device, it includes ash collecting device, ash metering device, slag concentrate metering device, mixing device, the ash collecting device includes warehouse pump conveying pipeline, seat warehouse bag dust catcher, exhaust fan, ash bin, ash bin support, the warehouse pump conveying pipeline is used to convey ash to the ash bin, the ash bin is installed on the ash bin support, the seat warehouse bag dust catcher is installed above the ash bin, and the exhaust fan is installed on the upper portion of the seat warehouse bag dust catcher;The ash metering device includes ash gate valve, metering screw feeder, the ash gate valve is connected in the lower portion of the ash bin, and the metering screw feeder is located below the ash gate valve;The slag concentrate metering device includes slag concentrate steel bin, steel bin support, slag concentrate gate valve, quantitative feeder, the slag concentrate steel bin is installed on the steel bin support, the lower portion of the slag concentrate steel bin is connected with the slag concentrate gate valve, and the quantitative feeder is located below the slag concentrate gate valve;The mixing device includes feed inlet, cylindrical mixer, discharge port, and the feed inlet is used to receive ash from the metering screw feeder and slag concentrate from the quantitative feeder.

[0005] In one embodiment, the three continuous furnace dry ash closed loop recycling processing device further includes a belt conveyor located below the discharge port.

[0006] In one embodiment, the mixing device further includes an exhaust port located above the discharge port.

[0007] In one embodiment, the seat warehouse bag dust catcher is provided with an ash inlet, and the exhaust fan is provided with an exhaust outlet.

[0008] In one embodiment, the inlet and outlet of the metering screw feeder are each provided with a flexible connection, and the lower portion of the flexible connection at the outlet is connected with the feed inlet of the mixing device.

[0009] In one embodiment, the metering screw feeder is provided with a weighing sensor below.

[0010] In one embodiment, a split gate valve is provided above the feed inlet.

[0011] In one embodiment, warehouse wall vibrators are provided on both sides of the ash bin and the slag concentrate steel bin.

[0012] In one embodiment, the feed inlet of the mixing device adopts a slope tee form, the straight port end of which is connected with the quantitative feeder, and the slope port end is connected with the metering screw feeder.

[0013] In one embodiment, the cylindrical mixer is provided with a lifting plate and a water injection pipe inside.

[0014] The device is simple and compact, can uniformly mix the smoke dust and the residue concentrate, has good mixing effect, the ash is measured by the metering screw feeder, the residue concentrate is measured by the quantitative feeder, accurate mixing of the two according to a set ratio is facilitated, closed-loop recovery of the ash is realized, the ash is avoided from being pulled by an agricultural vehicle, the problem of smoke dust flying is solved, the post operation environment is improved, and the production cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The embodiments of the utility model are further described below with reference to the drawings, wherein:

[0016] Figure 1 It is a front structure schematic view of three continuous furnace dry ash closed-loop recovery treatment device according to an embodiment,

[0017] Figure 2 It is a side structure schematic view of three continuous furnace dry ash closed-loop recovery treatment device according to an embodiment,

[0018] In the drawing, 1 is a warehouse type pump delivery pipeline, 2 is a seat warehouse type bag dust collector, 3 is an exhaust fan, 4 is an ash bin, 5 is an ash plug-in valve, 6 is a metering screw feeder, 7 is an ash bin support, 8 is a flexible connection, 9 is a residue concentrate steel bin, 10 is a steel bin support, 11 is a residue concentrate plug-in valve, 12 is a quantitative feeder, 13 is a feed inlet, 14 is a cylindrical mixer, 15 is a discharge outlet, 16 is an exhaust port, and 17 is a belt conveyor. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model is further described in detail below with reference to the drawings through specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.

[0020] Figure 1 It is a front structure schematic view of three continuous furnace dry ash closed-loop recovery treatment device according to an embodiment, Figure 2 It is a side structure schematic view of three continuous furnace dry ash closed-loop recovery treatment device according to an embodiment. The three continuous furnace dry ash closed-loop recovery treatment device comprises an ash collecting device, an ash metering device, a residue concentrate metering device and a mixing device.

[0021] The ash collecting device comprises a warehouse type pump delivery pipeline 1, a seat warehouse type bag dust collector 2, an exhaust fan 3, an ash bin 4 and an ash bin support 7. The warehouse type pump delivery pipeline 1 is used to deliver the ash into the ash bin 4, and the ash bin 4 is installed on the ash bin support 7. The seat warehouse type bag dust collector 2 is installed above the ash bin 4, and the exhaust fan 3 is installed on the upper part of the seat warehouse type bag dust collector 2.

[0022] The soot metering device comprises a soot flashboard valve 5 and a metering screw feeder 6. The soot flashboard valve 5 is connected to the lower part of the soot bin 4, and the metering screw feeder 6 is located below the soot flashboard valve 5.

[0023] The slag concentrate metering device comprises a slag concentrate steel bin 9, a steel bin support 10, a slag concentrate flashboard valve 11 and a dosing feeder 12. The slag concentrate steel bin 9 is installed on the steel bin support 10, the lower part of the slag concentrate steel bin 9 is connected to the slag concentrate flashboard valve 11, and the slag concentrate flashboard valve 11 is connected to the dosing feeder 12 below.

[0024] The mixing device comprises a feeding port 13, a cylindrical mixer 14 and a discharging port 15. The feeding port 13 is used to receive the soot from the metering screw feeder 6 and the slag concentrate from the dosing feeder 12.

[0025] The feeding port 13 can be arranged at the front end of the cylindrical mixer 14, and the discharging port 15 can be connected to a belt conveyor 17 below, so that the mixed material is transferred by the belt conveyor 17 after passing through the discharging port 15 and then added to the smelting furnace.

[0026] In an embodiment, the mixing device further comprises an exhaust port 16 located above the discharging port 15.

[0027] In an embodiment, the seat bin type bag dust collector 2 is provided with a soot inlet, and the exhaust fan 3 is provided with an exhaust outlet.

[0028] In an embodiment, the inlet and outlet of the metering screw feeder 6 are provided with a flexible connection 8, and the lower part of the flexible connection 8 at the outlet is connected to the feeding port 13 of the mixing device.

[0029] In an embodiment, a split flashboard valve is arranged above the feeding port 13.

[0030] In an embodiment, bin wall vibrators are arranged on both sides of the soot bin 4 and the slag concentrate steel bin 9.

[0031] In an embodiment, the feeding port 13 of the mixing device adopts a slope tee joint form, the straight port end of which is connected to the dosing feeder 12, and the slope port end is connected to the metering screw feeder 6.

[0032] In an embodiment, a lifting plate and a water spraying pipe are arranged inside the cylindrical mixer 14.

[0033] In an embodiment, the installation angle of the metering screw feeder 6 is 5°, and a weighing sensor is arranged below the metering screw feeder 6.

[0034] Compared with the prior art, the device is simple and compact, can uniformly mix the smoke dust and the residue concentrate, and has good mixing effect; the soot is measured by the metering screw feeder, and the residue concentrate is measured by the quantitative feeder, so that the two can be accurately mixed according to the set proportion; closed-loop recovery of soot is realized, agricultural vehicles are avoided for carrying soot, the problem of smoke flying is solved, the post operation environment is improved, and the production cost is saved.

[0035] Reference to "various embodiments", "some embodiments", "one embodiment" or "an embodiment" etc. in this document means that a particular feature, structure, or property described in connection with the embodiment is included in at least one embodiment. Therefore, the appearance of the phrase "in various embodiments", "in some embodiments", "in one embodiment" or "in an embodiment" etc. throughout this document does not necessarily mean that the same embodiment is referred to each time. In addition, a particular feature, structure, or property can be combined in any suitable way in one or more embodiments. Therefore, a particular feature, structure, or property shown or described in connection with one embodiment can be combined, in whole or in part, with the features, structures, or properties of one or more other embodiments, without limitation, as long as the combination is not illogical or unworkable. Expressions such as "according to A", "based on A", "by A" or "using A" appearing in this document mean non-exclusive, i.e. "according to A" can cover "only according to A", but also "according to A and B", unless the meaning is specifically stated to be "only according to A". In this application, some illustrative operational steps are described in a certain order for the sake of clarity, but those skilled in the art can understand that each of these operational steps is not essential, and some steps can be omitted or replaced by other steps. These operational steps also do not have to be executed in the order shown, on the contrary, some of these operational steps can be executed in different order or in parallel, as long as the new execution manner is not illogical or unworkable.

[0036] Some exemplary embodiments of the utility model are described above, it can be understood that the above-mentioned embodiments are only used for explaining the utility model, and do not constitute the limitation to the protection scope of the utility model. The features in these embodiments can be recombined in a suitable way, and the scheme obtained thereby is still within the protection scope required by the utility model. Based on the above-mentioned embodiments, all other embodiments obtained by those skilled in the art without making creative labor, i.e. all modifications, equivalent replacements and improvements etc. made within the spirit and principles of the application, are also within the protection scope required by the utility model.

Claims

1. A three-continuous furnace dry-ash closed-loop recycling treatment device, characterized in that, The ash collecting device, the ash metering device, the slag concentrate metering device, the mixing device, The ash collecting device comprises a warehouse pump conveying pipeline (1), a seat warehouse cloth bag dust collector (2), an exhaust fan (3), an ash warehouse (4), and an ash warehouse support (7). The warehouse pump conveying pipeline (1) is used for conveying ash into the ash warehouse (4). The ash warehouse (4) is installed on the ash warehouse support (7). The seat warehouse cloth bag dust collector (2) is installed above the ash warehouse (4). The exhaust fan (3) is installed on the upper part of the seat warehouse cloth bag dust collector (2). The ash metering device comprises an ash plug-in valve (5) and a metering screw feeder (6). The ash plug-in valve (5) is connected to the lower part of the ash warehouse (4). The metering screw feeder (6) is located below the ash plug-in valve (5). The slag concentrate metering device comprises a slag concentrate steel warehouse (9), a steel warehouse support (10), a slag concentrate plug-in valve (11), and a quantitative feeder (12). The slag concentrate steel warehouse (9) is installed on the steel warehouse support (10). The lower part of the slag concentrate steel warehouse (9) is connected to the slag concentrate plug-in valve (11). The quantitative feeder (12) is located below the slag concentrate plug-in valve (11). The mixing device comprises a feed inlet (13), a cylindrical mixer (14), and a discharge outlet (15). The feed inlet (13) is used for receiving ash from the metering screw feeder (6) and slag concentrate from the quantitative feeder (12).

2. The triple furnace dry-ash closed-loop recycling treatment device according to claim 1, further comprising: A belt conveyor (17) is located below the discharge outlet (15).

3. The triple furnace dry-ash closed-loop recycling treatment apparatus according to claim 1, wherein The mixing device further comprises an exhaust port (16) located above the discharge outlet (15).

4. The triple furnace dry-ash closed-loop recycling treatment apparatus according to claim 1, wherein The seat warehouse cloth bag dust collector (2) is provided with an ash inlet. The exhaust fan (3) is provided with an exhaust outlet.

5. The triple furnace dry-ash closed-loop recycling treatment apparatus according to claim 1, wherein The inlet and the outlet of the metering screw feeder (6) are both provided with a flexible connection (8). The lower part of the flexible connection (8) at the outlet is connected to the feed inlet (13) of the mixing device.

6. The triple furnace dry-ash closed-loop recycling treatment apparatus according to claim 1, wherein A weighing sensor is located below the metering screw feeder (6).

7. The triple furnace dry-ash closed-loop recycling treatment apparatus according to claim 1, wherein A split plug-in valve is provided above the feed inlet (13).

8. The triple furnace dry-ash closed-loop recycling treatment apparatus according to claim 1, wherein Warehouse wall vibrators are provided on both sides of the ash warehouse (4) and the slag concentrate steel warehouse (9).

9. The triple furnace dry-ash closed-loop recycling treatment apparatus according to claim 1, wherein, The feed inlet (13) of the mixing device adopts a slope tee joint form. The straight end of the slope tee joint is connected to the quantitative feeder (12). The inclined end is connected to the metering screw feeder (6).

10. The triple furnace dry-ash closed-loop recycling treatment apparatus according to claim 1, wherein A lifting plate and a water spraying pipe are provided inside the cylindrical mixer (14).

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