Preparation device of modified nano activated carbon for tailing pond treatment

Abstract

The utility model discloses a preparation device of modified nano activated carbon for tailing pond treatment, which relates to the technical field of tailing pond treatment and comprises a base plate and a main frame arranged on the base plate. The device further comprises an activated carbon preparation assembly, a uniform spraying assembly, a mixing and stirring assembly and an auxiliary assembly, the bottom end of the main frame is welded to the base plate, and two adding cylinders are fixed to the top end of the main frame through screws; by means of the specially-designed stirring blades, preparation materials and tailings pond materials can be fully mixed in the stirring pipe, and the mixing uniformity is improved; according to the device, through the arrangement of the ultrasonic generator and the heating coil, the material characteristics of amino-modified charcoal-loaded nanoscale zero-valent iron are fully played by utilizing the effects of ultrasonic waves and heating, and the adsorption and reduction capacity rates of harmful substances in tailings are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tailing pond processing technical field, concretely is a kind of preparation device of tailing pond processing modified nano activated carbon. BACKGROUND

[0002] Tailing pond as by-product of mining, often contain a large number of heavy metals and toxic substances, pose a serious threat to the surrounding environment and ecological system;Modified nano activated carbon due to its high adsorption performance and low cost, widely used in heavy metals passivation in soil, can effectively reduce the bioavailability of heavy metals in soil, reduce its mobility and accumulation in soil and plants.

[0003] The existing preparation device when mixing and stirring preparation material and tailing pond, there is uneven stirring, cannot fully play material characteristics to improve the problem of adsorption and reduction capacity. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of preparation device of tailing pond processing modified nano activated carbon, with the advantages of uniform mixing, improve material adsorption reduction capacity, to solve the problem of uneven stirring and material reaction insufficient when mixing of existing equipment.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of preparation device of tailing pond processing modified nano activated carbon, including base plate and the main frame being located on the base plate, still including activated carbon preparation component, uniform spraying component, mixing and stirring component and auxiliary component, wherein:

[0006] The main frame bottom end is welded on base plate, and the main frame top end is fixed with two adding barrels by screw;

[0007] The uniform spraying component includes spray disc, the spray disc bottom is equipped with a plurality of spray holes, the spray disc is located inside mixing cylinder, and the spray disc top is connected with booster pump;

[0008] The mixing and stirring component includes servo motor, one end of the servo motor is connected with stirring shaft, helical fan blade is welded on the stirring shaft, and a plurality of convex columns are arranged on the helical fan blade.

[0009] As a preferred technical scheme of the utility model, the helical fan blade is nested with stirring pipe outside, the stirring pipe top is communicated with mixing cylinder by pipeline, support plate is arranged on the both sides of the mixing cylinder, and the support plate is welded with main frame.

[0010] As a preferred technical scheme of the utility model, the activated carbon preparation component includes mixing pipe, the mixing pipe is communicated with the bottom of adding barrel by downcomer on the both sides, the mixing pipe bottom is connected with booster pump, and valve is installed on one side of the downcomer.

[0011] As a preferred technical scheme of the utility model, one side of the mixing cylinder is communicated with the feeding pipe through the flange, and the feeding pipe is connected with the mortar pump.

[0012] As a preferred technical scheme of the utility model, the bottom surface of the supporting plate is fixed with the ultrasonic generator through screws, one side of the ultrasonic generator is electrically connected with the vibration rod, and the vibration rod is fixed on one side of the mixing cylinder and extends into the interior thereof.

[0013] As a preferred technical scheme of the utility model, the auxiliary assembly comprises a temperature controller, the temperature controller is electrically connected with the heating coil, and the heating coil is wound on the outer side of the stirring pipe.

[0014] As a preferred technical scheme of the utility model, one end of the stirring pipe is fixed with the servo motor through screws, and the other end is welded with the discharging head.

[0015] Compared with the prior art, the utility model provides a preparation device for modified nano active carbon for tailing pond treatment, and has the following beneficial effects: the utility model can make the preparation material and the tailing pond material fully mix in the stirring pipe through the specially designed stirring blade, improve the mixing uniformity, the device is provided with the ultrasonic generator and the heating coil, utilizes the action of ultrasonic waves and heating, fully plays the material characteristics of the amino modified biochar supported nano zero-valent iron, and improves the adsorption and reduction capacity rate of harmful substances in the tailings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the active carbon preparation assembly structure view of the utility model;

[0018] Figure 3 It is the uniform spraying assembly structure schematic view of the utility model;

[0019] Figure 4 It is the mixing and stirring assembly structure view of the utility model;

[0020] Figure 5 It is the auxiliary assembly structure schematic view of the utility model.

[0021] In the figure: 1, base plate; 2, main frame; 3, activated carbon preparation assembly; 4, uniform spraying assembly; 5, mixing and stirring assembly; 6, auxiliary assembly; 31, adding cylinder; 32, mixing pipe; 33, liquid outlet pipe; 34, valve; 41, spray disc; 42, spray hole; 43, mixing cylinder; 431, support plate; 44, booster pump; 45, feeding pipe; 46, mortar pump; 51, servo motor; 52, stirring shaft; 53, spiral fan blade; 54, protruding column; 55, stirring pipe; 56, discharge head; 61, ultrasonic generator; 62, vibrating rod; 63, temperature controller; 64, heating coil. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment one

[0023] Please refer to Figures 1-5 The utility model discloses a preparation device of modified nano activated carbon of tailing pond treatment, including base plate 1 and the main frame 2 of being established on base plate 1, still including activated carbon preparation assembly 3, uniform spraying assembly 4, mixing and stirring assembly 5 and auxiliary assembly 6, wherein:

[0024] The bottom end of the main frame 2 is welded to the base plate 1, and two adding cylinders 31 are fixed to the top end of the main frame 2 through screws;

[0025] Please refer to the attached Figure 3 The uniform spraying assembly 4 comprises a spray disc 41, the bottom of the spray disc 41 is provided with a plurality of spray holes 42, the spray disc 41 is arranged in the mixing cylinder 43, and the top of the spray disc 41 is connected with a booster pump 44. Specifically, the booster pump 44 can pressurize the reaction solution, so that the reaction solution is sprayed out in the form of water mist from the spray disc 41, the spraying area is wider, and the mixing with the material is more uniform.

[0026] Please refer to the attached Figure 4 The mixing and stirring assembly 5 comprises a servo motor 51, one end of the servo motor 51 is connected with a stirring shaft 52, the stirring shaft 52 is welded with a spiral fan blade 53, a plurality of protruding columns 54 are arranged on the spiral fan blade 53, and specifically, the protruding columns 54 on the spiral fan blade 53 can generate stirring forces in different directions during stirring, so that the preparation material and the tailing pond material are mixed more uniformly.

[0027] The stirring pipe 55 is nested outside the spiral fan blade 53, the top of the stirring pipe 55 is connected with the mixing cylinder 43 through a pipeline, support plates 431 are arranged on the two sides of the mixing cylinder 43, and the support plates 431 are welded with the main frame 2.

[0028] In the embodiment, the amino-modified biochar supported nano zero-valent iron is sprayed from the spray holes 42 of the spray disc 41, so as to be uniformly mixed and reacted with the entering mortar, the design of the spray makes the material mixing more uniform and sufficient, the servo motor 51 drives the spiral fan blade 53 to rotate through the stirring shaft 52, the spiral fan blade 53 uniformly stirs and rolls the mortar, and the mixing and reaction efficiency is greatly improved. Embodiment two

[0029] Based on the above embodiment 1, please refer to the attached Figure 2 And Figure 5 The activated carbon preparation assembly 3 comprises a mixing pipe 32, the mixing pipe 32 is communicated with the bottom of the adding cylinder 31 through the liquid outlet pipe 33 on both sides, the bottom of the mixing pipe 32 is connected with the booster pump 44, and the liquid outlet pipe 33 is provided with the valve 34 on one side.

[0030] One side of the mixing cylinder 43 is communicated with the feeding pipe 45 through a flange, the feeding pipe 45 is connected with the mortar pump 46, and specifically, the mortar pump 46 can draw the tailing pond material from the feeding pipe 45 into the mixing cylinder 43 to participate in the reaction.

[0031] The bottom surface of the supporting plate 431 is fixed with the ultrasonic generator 61 through screws, one side of the ultrasonic generator 61 is electrically connected with the vibration rod 62, and the vibration rod 62 is fixed on one side of the mixing cylinder 43 and extends into the mixing cylinder 43.

[0032] The auxiliary assembly 6 comprises the temperature controller 63, the temperature controller 63 is electrically connected with the heating coil 64, and the heating coil 64 is wound outside the stirring pipe 55.

[0033] One end of the stirring pipe 55 is fixed with the servo motor 51 through screws, and the other end is welded with the discharge head 56.

[0034] In the embodiment, the ultrasonic generator 61 emits ultrasonic waves to the inside of the mixing cylinder 43 through the vibration rod 62 and acts on the material, so that the active sites of the amino-modified biochar supported nano zero-valent iron are fully exposed, thereby improving the adsorption and reduction capacity, the temperature controller 63 heats the stirring pipe 55 through the heating coil 54, and then heats the mixed material, accelerates the reaction rate, and further improves the adsorption and reduction efficiency.

[0035] The working principle and use process of the utility model are as follows: firstly, the valve 34 is rotated to make the liquid outlet pipe 33 in the closed state, corn straw biochar and polyethylene imine solution are mixed and added into one of the adding cylinders 31, after mixing, the amino-modified biochar is obtained by reaction, and the other adding cylinder 31 is added with ferrous sulfate solution and sodium borohydride reducing agent to fully react to obtain zero-valent iron solution, then the valve 34 is opened to mix in the mixing pipe 32 to obtain the amino-modified biochar supported nano zero-valent iron.

[0036] Subsequently, the slurry pump 46 is opened, the slurry containing tailings in the feed pipe 45 is pumped into the mixing cylinder 43, and the booster pump 44 is opened to spray the amino-modified biochar-loaded nano zero-valent iron from the nozzle 42 of the spray disc 41, so as to be uniformly mixed and reacted with the entering slurry, and the ultrasonic generator 61 is opened, the ultrasonic generator 61 emits ultrasonic waves to the inside of the mixing cylinder 43 through the vibration rod 62 and acts on the material, so as to fully expose the active sites of the amino-modified biochar-loaded nano zero-valent iron, thereby improving the adsorption and reduction capacity;

[0037] Subsequently, the slurry falls into the stirring pipe 55 from the mixing cylinder 43, the servo motor 51 is opened, the servo motor 51 drives the spiral fan blade 53 to rotate through the stirring shaft 52, the spiral fan blade 53 uniformly stirs and rolls the slurry, greatly improving the mixing efficiency, at this time the temperature controller 63 is connected to the external power supply and adjusted to the appropriate heating temperature, the temperature controller 63 heats the stirring pipe 55 through the heating coil 54, and then heats the mixed material, accelerates the reaction rate, and further improves the adsorption and reduction efficiency, and finally the completely reacted material is extruded from the discharge head 56 for subsequent treatment process.

Claims

1. A device for preparing modified nano-activated carbon for tailings pond treatment, comprising a substrate (1) and a main frame (2) disposed on the substrate (1), characterized in that, It also includes an activated carbon preparation component (3), a uniform spraying component (4), a mixing and stirring component (5), and an auxiliary component (6), wherein: The bottom end of the main frame (2) is welded to the base plate (1), and the top end of the main frame (2) is fixed with two adding cylinders (31) by screws. The uniform spraying assembly (4) includes a spray disc (41), the bottom of which is provided with a plurality of spray holes (42), the spray disc (41) is located inside the mixing cylinder (43), and the top of the spray disc (41) is connected to a booster pump (44). The mixing assembly (5) includes a servo motor (51), one end of which is connected to a stirring shaft (52). A spiral fan blade (53) is welded onto the stirring shaft (52), and several protrusions (54) are provided on the spiral fan blade (53).

2. The apparatus for preparing modified nano-activated carbon for tailings dam treatment according to claim 1, characterized in that: The spiral fan blade (53) is nested outside the stirring tube (55), and the top of the stirring tube (55) is connected to the mixing cylinder (43) through a pipe. The mixing cylinder (43) is provided with support plates (431) on both sides, and the support plates (431) are welded to the main frame (2).

3. The apparatus for preparing modified nano-activated carbon for tailings dam treatment according to claim 2, characterized in that: The activated carbon preparation component (3) includes a mixing tube (32), the two sides of which are connected to the bottom of the addition cylinder (31) through a liquid drain pipe (33), the bottom of the mixing tube (32) is connected to a booster pump (44), and a valve (34) is installed on one side of the liquid drain pipe (33).

4. The apparatus for preparing modified nano-activated carbon for tailings dam treatment according to claim 3, characterized in that: The mixing cylinder (43) is connected to the feed pipe (45) via a flange on one side, and the feed pipe (45) is connected to the mortar pump (46).

5. The apparatus for preparing modified nano-activated carbon for tailings dam treatment according to claim 4, characterized in that: An ultrasonic generator (61) is fixed to the bottom surface of the support plate (431) by screws. The ultrasonic generator (61) is electrically connected to a vibrating rod (62) on one side. The vibrating rod (62) is fixed to one side of the mixing cylinder (43) and extends into it.

6. The apparatus for preparing modified nano-activated carbon for tailings dam treatment according to claim 1, characterized in that: The auxiliary component (6) includes a temperature controller (63) which is electrically connected to a heating coil (64) which is wound around the outside of the stirring tube (55).

7. The apparatus for preparing modified nano-activated carbon for tailings dam treatment according to claim 6, characterized in that: One end of the stirring tube (55) is fixed with a servo motor (51) by screws, and the other end is welded with a discharge head (56).

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