CN213977831U

CN213977831U - System for extracting zinc from industrial solid zinc-containing waste material

Info

Publication number: CN213977831U
Application number: CN202020789576.1U
Authority: CN
Inventors: 李良高; 李贤明
Original assignee: Yimen Gongchuang Resources Technology Co ltd
Current assignee: Yimen Gongchuang Resources Technology Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-08-17
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a system for extracting zinc from industrial solid zinc-containing waste, which comprises a negative pressure recovery mechanism and a magnetic separation recovery mechanism, wherein the negative pressure recovery mechanism comprises a batching device, a settling chamber, a rotary kiln, a dust removal cloth bag, a fan and a desulfurizing tower, and the dust removal cloth bag is connected with zinc oxide powder collecting equipment; the magnetic separation recovery mechanism consists of a rotary kiln, a cooling pool, a crushing and grading mechanism and a magnetic separation mechanism; the crushing and grading mechanism is arranged behind the cooling pool and consists of a crusher, a primary ball mill, a secondary ball mill and a first spiral classifier, and the secondary ball mill and a second spiral classifier are sequentially arranged behind the first spiral classifier through pipelines; the batching device comprises a base, a fixing frame, a feeding frame, a mixing rotor, a first conveying belt and a mixing box, wherein the mixing rotor is connected with the mixing box through the first conveying belt. The utility model is used for solve zinciferous waste material scabbing agglomeration easily before getting into the brickkiln, influence combustion efficiency's problem.

Description

System for extracting zinc from industrial solid zinc-containing waste material

Technical Field

The utility model relates to an organic solid waste handles and resourceization technical field, concretely relates to system for extract zinc from industry solid zinciferous waste material.

Background

Zinc is an important nonferrous metal element, and the application range is wide and the dosage is large. With the gradual reduction of zinc ore resources in China, numerous enterprises are seeking for industrial zinc-containing waste materials which can be developed and utilized, and attempt to extract valuable metal zinc from the waste materials. The industrial zinc-containing waste needs to be crushed into large materials before entering the rotary kiln to enhance the extraction and combustion efficiency, but the existing technology for extracting zinc from the industrial zinc-containing waste adopts a mode of crushing in advance, so that the materials are subjected to water loss and scabbing and blocking under a long-time unused state, and the combustion efficiency of the rotary kiln is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a system for draw zinc in follow industry solid zinciferous waste material solves zinciferous waste material and scabies the agglomeration easily before getting into the rotary kiln, influences combustion efficiency's problem.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a system for extracting zinc from industrial solid zinc-containing waste comprises a negative pressure recovery mechanism and a magnetic separation recovery mechanism, wherein the negative pressure recovery mechanism comprises a batching device, a settling chamber, a rotary kiln, a dust removal cloth bag, a fan and a desulfurizing tower, and the dust removal cloth bag is connected with zinc oxide powder collecting equipment; the magnetic separation recovery mechanism consists of a rotary kiln, a cooling pool, a crushing and grading mechanism and a magnetic separation mechanism; the crushing and grading mechanism is arranged behind the cooling pool and consists of a crusher, a primary ball mill, a secondary ball mill and a first spiral classifier, the secondary ball mill and a second spiral classifier are sequentially arranged behind the first spiral classifier through pipelines, and the first spiral classifier and the second spiral classifier are respectively connected with the magnetic separation mechanism through pipelines; the batching device comprises a base, a fixing frame, a feeding frame, a mixing rotor, a first conveying belt and a mixing box, wherein the mixing rotor is connected with the mixing box through the first conveying belt.

Further, the magnetic separation mechanism comprises a strong magnetic separator, a medium magnetic separator and a low-intensity magnetic separator, and a conveying mechanism is arranged on the lower portion of the low-intensity magnetic separator.

Furthermore, a settling chamber and a dust removal cloth bag are arranged at the rear part of the rotary kiln, and the rear part of the dust removal cloth bag is connected with the desulfurizing tower through a fan; the dust removal cloth bag is used for negative pressure dust removal.

Further, a fixing frame and a feeding frame are arranged at the upper part of the base, a mixing rotor is arranged in the base, and a crushing rod connected with a driving motor is arranged in the mixing rotor; the first conveying belt is located right below a discharge port of the mixing rotor and is connected with a material guide plate of the mixing box.

Furthermore, the mixing box is of a rectangular cavity structure, and a disturbing rod connected with the driving motor is arranged inside the mixing box.

Further, the second spiral classifier and the second-stage ball mill form a loop through a pipeline and a fluid director; the first spiral classifier and the first-stage ball mill form a loop through a pipeline.

Further, the lower part of the disturbance rod is provided with a discharge plate, the discharge plate is an arc plate with an opening in the middle, and the lower part of the discharge plate is provided with a second conveying belt.

Further, a water inlet is arranged at the upper part of the mixing box and is connected with an external water tank through a pipeline.

Further, the feeding frame is arranged on the upper portion of the mixing rotor, and a feeding hopper connected with a feeding port of the mixing rotor is arranged on the feeding frame.

Compared with the prior art, the utility model discloses following beneficial effect has:

the design has negative pressure to retrieve mechanism and magnetic separation and retrieves two way recovery circuit of mechanism, negative pressure is retrieved the mechanism and can be passed through the deposit room, the dust removal sack, fan and desulfurizing tower are directly removed dust through the negative pressure with tiny zinc-containing waste material and are retrieved, and magnetic separation is retrieved the mechanism and can be passed through the rotary kiln, the cooling bath, broken hierarchical mechanism and magnetic separation mechanism are broken ball-milling many times with the material, the magnetic separation is retrieved, and be provided with dosing unit in rotary kiln the place ahead, can carry out one step earlier broken ball-milling with the material, and carry out moist through the mixing box, improve rotary kiln combustion efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structure schematic diagram of the batching device of the utility model.

Fig. 3 is a schematic structural view of the mixing box of the present invention.

In the figure: 1-batching device, 2-settling chamber, 3-rotary kiln, 4-dust removal cloth bag, 5-blower, 6-desulfurizing tower, 9-first-stage ball mill, 10-first spiral classifier, 11-second-stage ball mill, 12-second spiral classifier, 13-fluid director, 15-strong magnetic separator, 16-base, 17-fixed frame, 18-feeding frame, 19-feeding hopper, 20-mixing rotor, 21-first conveying belt, 22-mixing box, 23-guide plate, 25-disturbing rod, 26-water inlet, 27-discharging plate, 28-second conveying belt, 29-medium magnetic separator and 30-weak magnetic separator.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

fig. 1-3 show: a system for extracting zinc from industrial solid zinc-containing waste comprises a negative pressure recovery mechanism and a magnetic separation recovery mechanism, wherein the negative pressure recovery mechanism is composed of a rotary kiln 3, a settling chamber 2, a dust removal cloth bag 4, a fan 5 and a desulfurizing tower 6, and the dust removal cloth bag 4 is connected with a zinc oxide powder collecting device; the magnetic separation recovery mechanism consists of a rotary kiln 3, a cooling pool 7, a crushing and grading mechanism and a magnetic separation mechanism; the crushing and grading mechanism is arranged behind the cooling pool 7 and consists of a crusher 8, a primary ball mill 9, a secondary ball mill 11 and a first spiral classifier 10, the secondary ball mill 11 and a second spiral classifier 12 are sequentially arranged behind the first spiral classifier 10 through pipelines, and the first spiral classifier 10 and the second spiral classifier 12 are respectively connected with the magnetic separation mechanism through pipelines; a batching device 1 is arranged in front of the rotary kiln 3, the batching device 1 comprises a base 16, a fixed frame 17, a feeding frame 18, a mixing rotor 20, a first conveying belt 21 and a mixing box 22, and the mixing rotor 20 is connected with the mixing box 22 through the first conveying belt 21; the magnetic separation mechanism comprises a strong magnetic separator 15, a middle magnetic separator 29 and a low-intensity magnetic separator 30, and a conveying mechanism is arranged at the lower part of the low-intensity magnetic separator 30; among the above-mentioned scheme, the design has negative pressure to retrieve mechanism and magnetic separation and retrieves two way recovery circuit of mechanism, negative pressure is retrieved the mechanism and can be through the deposit room, the dust removal sack, fan and desulfurizing tower directly remove dust through the negative pressure with tiny zinc-containing waste material and retrieve, and magnetic separation is retrieved the mechanism and can be through the rotary kiln, the cooling tank, broken hierarchical mechanism and magnetic separation mechanism are broken ball-milling many times with the material, the magnetic separation is retrieved, and be provided with dosing unit in rotary kiln the place ahead, can carry out one step earlier broken ball-milling with the material, and carry out moist through the mixing box, improve rotary kiln combustion efficiency.

Example 2:

in this embodiment, a rotary kiln 3 is further described on the basis of the existing embodiment 1, a settling chamber 2 and a dust removal cloth bag 4 are arranged at the rear part of the rotary kiln 3, and the rear part of the dust removal cloth bag 4 is connected with a desulfurizing tower 6 through a fan 5; the dust removal cloth bag 4 is used for negative pressure dust removal; the dust removal cloth bag 4 can extract and recover materials, and the rear part of the dust removal cloth bag 4 is provided with a desulfurizing tower 6, so that gas can be conveniently filtered and discharged; the first spiral classifier and the second spiral classifier are connected with the strong magnetic separation equipment through the cyclone, qualified materials are sent into the strong magnetic separation equipment, and the ball mills with unqualified patterns are ground again; the magnetic separation mechanism can separate out the fine iron powder for recycling.

Example 3:

in this embodiment, a base 16 is further described on the basis of the existing embodiment 1, a fixed frame 17 and a feeding frame 18 are arranged on the upper portion of the base 16, a mixing rotor 20 is arranged inside the base 16, and a crushing rod connected with a driving motor is arranged inside the mixing rotor 20; the first conveyer belt 21 is positioned right below the discharge port of the mixing rotor 20, and the first conveyer belt 21 is connected with a material guide plate 23 of the mixing box 22; the mixing box 22 is a rectangular hollow cavity structure, and a disturbing rod 25 connected with a driving motor is arranged inside the mixing box 22; mixing rotor 20 is inside to be provided with crushing pole, can stir the material piece of scabbing to send into mixing box 22 through first conveyer belt 21, mix the material as required with the moisture, improve subsequent combustion efficiency.

Example 4:

in this embodiment, a second spiral classifier 12 is further described on the basis of the prior embodiment 1, wherein the second spiral classifier 12 forms a loop with a two-stage ball mill through a pipeline and a flow guider 13; the first spiral classifier 10 and the first-stage ball mill 9 form a loop through a pipeline; the second spiral classifier 12 forms a loop through a second-stage ball mill after vibrating and screening the materials, and performs secondary grinding on unqualified materials.

Example 5:

in this embodiment, the disturbing rod 25 is further described on the basis of the prior embodiment 1, a discharge plate 27 is arranged at the lower part of the disturbing rod 25, the discharge plate 27 is an arc-shaped plate with an opening at the middle part, and a second conveyor belt 28 is arranged at the lower part of the discharge plate 27; the upper part of the mixing box 22 is provided with a water inlet 26, and the water inlet 26 is connected with an external water tank through a pipeline; the mixing box 22 can be used for adding different materials, and can add moisture as required to adjust the materials to a required proportion.

Example 6:

this embodiment is further described with reference to the prior embodiment 1, in which the feeding frame 18 is located above the mixing rotor 20, and the feeding frame 18 is provided with a feeding hopper 19 connected to the feeding port of the mixing rotor 20.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a system for extract zinc in follow industry solid zinc-containing waste material, includes that negative pressure retrieves mechanism and magnetic separation and retrieves mechanism, its characterized in that: the negative pressure recovery mechanism consists of a rotary kiln (3), a settling chamber (2), a dust removal cloth bag (4), a fan (5) and a desulfurizing tower (6), wherein the dust removal cloth bag (4) is connected with a zinc oxide powder collecting device; the magnetic separation recovery mechanism consists of a rotary kiln (3), a cooling pool (7), a crushing and grading mechanism and a magnetic separation mechanism; the crushing and grading mechanism is arranged behind the cooling pool (7) and consists of a crusher (8), a primary ball mill (9), a secondary ball mill (11) and a first spiral classifier (10), the secondary ball mill (11) and a second spiral classifier (12) are sequentially arranged behind the first spiral classifier (10) through pipelines, and the first spiral classifier (10) and the second spiral classifier (12) are respectively connected with the magnetic separation mechanism through pipelines; the rotary kiln is characterized in that a batching device (1) is arranged in front of the rotary kiln (3), the batching device (1) comprises a base (16), a fixing frame (17), a feeding frame (18), a mixing rotor (20), a first conveying belt (21) and a mixing box (22), and the mixing rotor (20) is connected with the mixing box (22) through the first conveying belt (21).

2. The system for extracting zinc from industrial solid zinc-containing waste material according to claim 1, wherein: the magnetic separation mechanism comprises a strong magnetic separator (15), a middle magnetic separator (29) and a low-intensity magnetic separator (30), and a conveying mechanism is arranged on the lower portion of the low-intensity magnetic separator (30).

3. The system for extracting zinc from industrial solid zinc-containing waste material according to claim 1, wherein: a settling chamber (2) and a dust removal cloth bag (4) are arranged at the rear part of the rotary kiln (3), and the rear part of the dust removal cloth bag (4) is connected with a desulfurizing tower (6) through a fan (5); the dust removal cloth bag (4) is used for negative pressure dust removal.

4. The system for extracting zinc from industrial solid zinc-containing waste material according to claim 1, wherein: a fixed frame (17) and a feeding frame (18) are arranged at the upper part of the base (16), a mixing rotor (20) is arranged in the base (16), and a crushing rod connected with a driving motor is arranged in the mixing rotor (20); the first conveying belt (21) is positioned right below a discharge port of the mixing rotor (20), and the first conveying belt (21) is connected with a material guide plate (23) of the mixing box (22).

5. The system for extracting zinc from industrial solid zinc-containing waste material according to claim 1, wherein: the mixing box (22) is of a rectangular cavity structure, and a disturbing rod (25) connected with a driving motor is arranged inside the mixing box (22).

6. The system for extracting zinc from industrial solid zinc-containing waste material according to claim 1, wherein: the second spiral classifier (12) forms a loop with the secondary ball mill through a pipeline and a fluid director (13); the first spiral classifier (10) and the first-stage ball mill (9) form a loop through a pipeline.

7. The system for extracting zinc from industrial solid zinc-containing waste material according to claim 5, wherein: the lower part of the disturbing rod (25) is provided with a discharge plate (27), the discharge plate (27) is an arc plate with an opening in the middle, and the lower part of the discharge plate (27) is provided with a second conveyer belt (28).

8. The system for extracting zinc from industrial solid zinc-containing waste material according to claim 1, wherein: the upper part of the mixing box (22) is provided with a water inlet (26), and the water inlet (26) is connected with an external water tank through a pipeline.

9. The system for extracting zinc from industrial solid zinc-containing waste material according to claim 1, wherein: the feeding frame (18) is positioned at the upper part of the mixing rotor (20), and the feeding frame (18) is provided with a feeding hopper (19) which is connected with the feeding port of the mixing rotor (20).