Sand washing roller for quartz sand pickling

Abstract

The utility model discloses a sand washing roller for quartz sand pickling, which comprises a base, a roller body, a feeding hopper, a rotary driving mechanism, a spiral conveying sheet, a stirring sheet, a hopper and a liquid inlet pipe, and the rotary driving mechanism is used for driving the roller body to rotate; the feeding hopper is arranged at one end of the roller body, the material leaking hopper is arranged at the other end of the roller body, the liquid inlet pipe is connected with the material leaking hopper, a first area and a second area are sequentially arranged on the inner wall of the roller body in the direction from the feeding hopper to the material leaking hopper, the spiral conveying piece is arranged on the first area, and the stirring piece is arranged on the second area. The rotary driving mechanism can drive the roller body to rotate, the spiral conveying pieces can gradually convey quartz sand along the line through spiral thrust, in the conveying process, the quartz sand is kept in a flowing state and makes contact with an acid pickling solution, surface impurities are removed, the stirring pieces can flap and disperse the quartz sand, and therefore the quartz sand can be evenly stirred. The contact area of particles and a pickling solution is increased, particle aggregation is prevented, and the impurity removal effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sand washing drum, especially to a sand washing drum for quartz sand pickling. BACKGROUND

[0002] Quartz sand is a mineral raw material widely used in glass, ceramics, photovoltaic and electronic industry, and the main component is silicon dioxide. Natural quartz sand usually contains impurities such as iron, aluminum and titanium. Therefore, during the processing of quartz sand, it needs to be pickled to remove impurities and improve the purity of the product.

[0003] In the prior art, the existing quartz sand pickling device can not uniformly penetrate the surface of all particles during the pickling process of quartz sand particles in the drum or stirring device, thereby affecting the removal effect of impurities. In addition, the flowability of quartz sand material in the container during the pickling process is low, which leads to insufficient friction and stirring between quartz sand particles, thereby affecting the pickling efficiency of quartz sand.

[0004] Therefore, the prior art has defects and needs to be improved. TECHNICAL PROBLEM

[0005] The technical problem to be solved by the utility model is to provide a sand washing drum for quartz sand pickling, which has good pickling effect and effectively improves the pickling efficiency.

[0006] To achieve this purpose, the utility model adopts the following technical scheme: a sand washing drum for quartz sand pickling, comprising a base, a drum body, an inlet hopper, a rotary drive mechanism, a spiral conveying piece, a stirring piece, a discharge hopper and a liquid inlet pipe.

[0007] The drum body is arranged on the base, the rotary drive mechanism is connected with the drum body, and the rotary drive mechanism is used to drive the rotation of the drum body.

[0008] The inlet hopper is arranged at one end of the drum body, and the inlet hopper is used to convey quartz sand into the drum body. The discharge hopper is arranged at the other end of the drum body, and the discharge hopper is rotatably connected with the drum body through a sealing bearing. The liquid inlet pipe is connected with the discharge hopper, and the liquid inlet pipe is used to convey pickling solution into the drum body.

[0009] The inner wall of the drum body is provided with a first region and a second region in sequence from the inlet hopper to the discharge hopper. The spiral conveying piece is arranged on the first region, and the stirring piece is arranged on the second region. The spiral conveying piece is used to convey quartz sand spirally to the second region, and the stirring piece is used to stir and disperse quartz sand material.

[0010] The bottom of the leakage hopper is provided with a discharge plate, and the discharge plate is detachably connected with the leakage hopper.

[0011] With the above technical scheme, in the quartz sand acid washing sand washing drum, a plurality of stirring blades are arranged along the circumferential direction of the inner wall of the drum body, and an included angle is formed between the horizontal axis of the stirring blade and the axis of the drum body, and the included angle is 25-40°.

[0012] With the above technical scheme, in the quartz sand acid washing sand washing drum, the rotating driving mechanism comprises a speed reducer motor, a chain wheel assembly, a transmission shaft, an outer gear ring, a driving gear and a supporting gear.

[0013] Two outer gear rings are respectively sleeved on the outer wall of the drum body, the driving gear and the supporting gear are respectively located on the two sides of the outer gear ring and are connected with the outer gear ring through meshing, and the drum body is used for rotating with the rotation of the outer gear ring.

[0014] The two driving gears are connected through the transmission shaft, the speed reducer motor is arranged on the base, and the speed reducer motor is connected with the transmission shaft through the chain wheel assembly, and the speed reducer motor is used for driving the transmission shaft to rotate.

[0015] With the above technical scheme, in the quartz sand acid washing sand washing drum, the surface of the spiral conveying piece and the stirring blade is coated with a polytetrafluoroethylene coating.

[0016] With the above technical scheme, in the quartz sand acid washing sand washing drum, the side end of the driving gear is provided with a limiting baffle, and the limiting baffle is used for limiting the axial displacement of the drum body.

[0017] With the above technical scheme, in the quartz sand acid washing sand washing drum, the length of the spiral conveying piece and the length of the drum body are 0.5-0.75.

[0018] Compared with the prior art, the quartz sand acid washing sand washing drum has the following beneficial effects:

[0019] The rotary driving mechanism can drive the drum body to rotate, the quartz sand particles in the drum body are constantly turned and moved, the spiral conveying piece can convey the quartz sand along the line gradually through the spiral thrust, in the conveying process, the quartz sand keeps flowing and contacts with the pickling solution, removes the surface impurities, then the stirring piece can beat and disperse the quartz sand, so that the contact area of the particles and the pickling solution is increased, the particles are prevented from gathering, and the removal effect of the impurities is improved; in addition, the horizontal axis of the stirring piece and the axis of the drum body form an included angle, so that the quartz sand not only flows along the axial direction of the drum body, but also can move laterally along the inner wall, so that the friction and collision of the quartz sand particles are intensified, and thus the stripping effect of the impurities is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained on the basis of these drawings without creative labor.

[0021] The structure, proportion, size and the like shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the present application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0023] Figure 2 It is a schematic diagram of the rotary driving mechanism structure of the present application;

[0024] Figure 3 It is a schematic diagram of the side surface structure of the drum body of the present application;

[0025] Figure 4 It is a schematic diagram of the internal structure of the drum body of the present application;

[0026] Figure 5 It is a schematic diagram of the spiral conveying piece structure of the present application. DETAILED DESCRIPTION

[0027] In order to make the utility model of the utility model purpose, characteristics, advantages can be more obvious and easy to understand, the following will be combined with the utility model embodiment in the drawings, the technical scheme in the utility model embodiment is clearly and completely described, obviously, the following described embodiments are only a 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 the ordinary skill in the art without creative labor are within the scope of the utility model protection.

[0028] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there can be a component disposed therebetween.

[0029] The technical scheme of the utility model will be further illustrated below by combining the drawings and through specific embodiments.

[0030] As shown in Figures 1 to 5 The utility model embodiment provides a sand washing drum for quartz sand pickling, which comprises a base 1, a drum body 2, a feeding hopper 3, a rotary driving mechanism 4, spiral conveying blades 5, stirring blades 6, a leakage hopper 7 and a liquid inlet pipe 8, the drum body 2 is arranged on the base 1, the rotary driving mechanism 4 is connected with the drum body 2, the rotary driving mechanism 4 is used for driving the drum body 2 to rotate, the feeding hopper 3 is arranged at one end of the drum body 2, the feeding hopper 3 is used for conveying quartz sand into the drum body 2, the leakage hopper 7 is arranged at the other end of the drum body 2, and the leakage hopper 7 and the drum body 2 are rotatably connected through a sealing bearing, the liquid inlet pipe 8 is connected with the leakage hopper 7, and the liquid inlet pipe 8 is used for conveying a pickling solution into the drum body 2; when the drum body 2 rotates, the quartz sand particles in the drum body 2 can be continuously turned over and moved, so that the material is prevented from accumulating or depositing in the drum body 2, thereby improving the fluidity of the quartz sand and enabling the quartz sand to be uniformly conveyed along the direction of the drum body 2; the leakage hopper 7 and the drum body 2 are rotatably connected through a sealing bearing, so that the pickling solution can be prevented from leaking when the drum body 2 rotates relative to the leakage hopper 7.

[0031] The inner wall of the drum body 2 is sequentially provided with a first region and a second region in the direction of the discharge hopper 7 from the feeding hopper 3, the spiral conveying blade 5 is arranged on the first region, and the stirring blade 6 is arranged on the second region. The spiral conveying blade 5 is used to convey quartz sand to the second region, and the stirring blade 6 is used to stir and disperse the quartz sand material. The spiral conveying blade 5 is arranged in the first region. The quartz sand can be continuously pushed forward by the thrust of the spiral structure, so as to be conveyed into the second region. In the pushing process, the quartz sand always maintains a flowing state, avoids material accumulation, and can be subjected to a certain stirring action, so that the quartz sand particles can uniformly contact the acid solution to preliminarily remove surface impurities. When the quartz sand enters the second region, the stirring blade 6 can beat and disperse the quartz sand to avoid particle agglomeration, effectively increase the contact area of the pickling solution with the surface of the quartz sand, make the quartz sand particles be fully washed, and improve the uniformity of pickling and impurity removal effect.

[0032] The discharge plate 70 is detachably connected with the discharge hopper 7. When the pickling is completed, the operator can open the discharge plate 70 to discharge the quartz sand subjected to pickling downward. It should be noted that before discharging the quartz sand, the pickling solution in the drum body 2 needs to be pumped out through an external water pumping pipeline.

[0033] As shown in Figure 4 Further, a plurality of stirring blades 6 are arranged at intervals in the circumferential direction of the inner wall of the drum body 2, and an included angle a is formed between the horizontal axis of the stirring blade 6 and the axis of the drum body 2, and the included angle a is 25-40°. In this embodiment, the included angle a between the horizontal axis of the stirring blade 6 and the axis of the drum body 2 is 30°. In this way, the stirring blade 6 can not only push the quartz sand material to flow in the axial direction of the drum body 2, but also make the quartz sand material move laterally along the inner wall of the drum body 2 to intensify the relative friction and collision between the quartz sand materials and enhance the stripping effect of impurities in the pickling process.

[0034] As shown in Figure 1 and Figure 2As shown, further, the rotating driving mechanism 4 comprises a reduction motor 41, a chain wheel assembly 42, a transmission shaft 43, two outer gear rings 44, a driving gear 45 and a supporting gear 46, the two outer gear rings 44 are respectively sleeved on the outer wall of the drum body 2, the driving gear 45 and the supporting gear 46 are respectively located on the two sides of the outer gear ring 44 and are connected with the outer gear ring 44 through meshing, the drum body 2 is used to rotate with the rotation of the outer gear ring 44, the two driving gears 45 are connected through the transmission shaft 43, the reduction motor 41 is arranged on the base 1 and is connected with the transmission shaft 43 through the chain wheel assembly 42, the reduction motor 41 is used to drive the rotation of the transmission shaft 43, and then drives the rotation of the outer gear ring 44 through the driving gear 45, so that the rotation of the drum body 2 is realized. The driving gear 45 and the supporting gear 46 are respectively arranged on the two sides of the outer gear ring 44, can provide support for the drum body 2, prevent the drum body 2 from being radially displaced during the rotation process, and improve the overall structural stability.

[0035] Further, the surfaces of the spiral conveying piece 5 and the stirring piece 6 are coated with a polytetrafluoroethylene coating. The polytetrafluoroethylene coating has high corrosion resistance and wear resistance, can effectively resist the erosion of acidic chemicals, and can slow down the wear rate of the spiral conveying piece 5 and the stirring piece 6, thereby improving the service life of the equipment.

[0036] As shown in the figure, Figure 2 Further, the driving gear 45 is provided with a limiting baffle 451 at the side end, the limiting baffle 451 is used to limit the axial displacement of the drum body 2, avoid the displacement of the drum body 2 due to the thrust, and make the drum body 2 always operate at the preset position.

[0037] Further, the length of the spiral conveying piece 5 is 0.5-0.75 times the length of the drum body 2. In the embodiment, the length of the spiral conveying piece 5 is 0.75 times the length of the drum body 2.

[0038] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A sand washing drum for acid washing of quartz sand, characterized in that, The base, the drum body, the feeding hopper, the rotary driving mechanism, the spiral conveying blade, the stirring blade, the discharging hopper and the liquid inlet pipe are included. The drum body is arranged on the base, and the rotary driving mechanism is connected with the drum body and used for driving the drum body to rotate. The feeding hopper is arranged at one end of the drum body and used for conveying quartz sand into the drum body, the discharging hopper is arranged at the other end of the drum body and rotatably connected with the drum body through a sealing bearing, and the liquid inlet pipe is connected with the discharging hopper and used for conveying pickling solution into the drum body. The inner wall of the drum body is sequentially provided with a first region and a second region along the direction from the feeding hopper to the discharging hopper, the spiral conveying blade is arranged on the first region, and the stirring blade is arranged on the second region. The discharging hopper is provided with a discharging plate which is detachably connected with the discharging hopper.

2. The sand washing drum for acid washing of quartz sand according to claim 1, characterized in that, A plurality of stirring blades are arranged along the circumferential direction of the inner wall of the drum body, and an included angle is formed between the horizontal axis of the stirring blade and the axis of the drum body, and the included angle is 25-40°.

3. The sand washing drum for acid washing of quartz sand according to claim 1, characterized by The rotary driving mechanism includes a speed reducer, a chain wheel assembly, a transmission shaft, an outer gear ring, a driving gear and a supporting gear. Two outer gear rings are respectively sleeved on the outer wall of the drum body, the driving gear and the supporting gear are respectively located on the two sides of the outer gear ring and connected with the outer gear ring through meshing, and the drum body is used for rotating with the rotation of the outer gear ring. The two driving gears are connected through the transmission shaft, the speed reducer is arranged on the base and connected with the transmission shaft through the chain wheel assembly, and the speed reducer is used for driving the transmission shaft to rotate.

4. The sand washing drum for acid washing of quartz sand according to claim 1, characterized by The surfaces of the spiral conveying blade and the stirring blade are coated with a polytetrafluoroethylene coating.

5. The sand washing drum for acid washing of quartz sand according to claim 3, characterized by The side end of the driving gear is provided with a limiting baffle used for limiting the axial displacement of the drum body.

6. The sand washing drum for acid washing of quartz sand according to claim 1, characterized by The length ratio of the spiral conveying blade to the drum body is 0.5-0.75.

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