Quartz sand drying machine

Abstract

The utility model discloses a quartz sand dryer, which relates to the technical field of dryers and comprises a base, a drying structure and a pretreatment structure. The drying structure comprises a rotary drum, a first supporting net drum fixedly arranged on the inner wall of the rotary drum, a gear ring connected to the outer wall of the rotary drum in a sleeving mode, a first motor located above the base, a gear located at the output end of the first motor, an air heater fixedly arranged at the upper end of the base, a hot air pipe located at the output end of the air heater, a flow guide cover communicating with the hot air pipe and a discharge outlet formed in the lower end of the flow guide cover. The pretreatment structure comprises a mounting frame, a grid barrel at one end of the mounting frame, a supporting net barrel II on the inner wall of the grid barrel, a motor II positioned above the grid barrel, a rotating shaft positioned at the lower end of the motor II, a flow guide hopper fixedly arranged on the inner wall of the supporting net barrel II, and a rotating plate positioned on the outer wall of the rotating shaft; according to the quartz sand drying device, the pretreatment structure is utilized, the problems that the drying time is prolonged, the drying cost is increased and the drying efficiency is reduced due to the fact that moisture in quartz sand is much when the quartz sand is directly dried are solved, and efficient and time-saving drying is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drying machine technical field, concretely is a quartz sand drying machine. BACKGROUND

[0002] Quartz sand is a kind of natural mineral with silica as main component, usually by quartzite is broken, screening, washing process processing, quartz sand in mining and processing process can contain moisture, quartz sand is an important industrial raw material, drying is the key step in quartz sand processing, can improve purity, improve fluidity and meet the process requirements.

[0003] Chinese patent discloses a kind of drying device for quartz processing (authorized announcement No.CN221859102U), the patent technology includes jar body, the inside of the jar body is provided with the drying mechanism for drying quartz, the outside of the jar body is provided with the discharge assembly for facilitating jar body discharge, when using, the quartz to be dried is poured into jar body through feed inlet, then start blower, gas blown by blower enters the inside of jar body through connecting cavity, then start motor, motor drives rotating rod, connecting rod and material collecting hopper rotation, when material collecting hopper rotates, quartz is shovelled into material collecting hopper, then when material collecting hopper is at the top inside jar body, quartz falls down, at this time, quartz can be uniformly contacted with gas, so that the water on the surface of quartz is accelerated to dry, then discharge assembly can make jar body rotate, so that feed inlet is downward, at this time, quartz is discharged.

[0004] The patent technology realizes accelerated drying to quartz in the process of using, but there are still deficiencies in the process of using, quartz sand is directly dried, there is more moisture inside, the drying time of moisture increase is increased by drying equipment, the drying efficiency is reduced, and the drying cost is increased, therefore, the quartz sand drying machine is provided by the person skilled in the art to solve the problems raised in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of quartz sand drying machine to solve the problems raised in the above background technology.

[0006] To solve the above technical problems, the quartz sand drying machine provided by the utility model includes a base, a drying structure and a pretreatment structure.

[0007] The drying structure includes a rotating drum, a support net cylinder one fixed to the inner wall of the rotating drum, a gear ring sleeved to the outer wall of the rotating drum, a motor one located above the base, a gear wheel located at the output end of the motor one and engaged with the gear ring, a hot air blower fixed to the upper end of the base, a hot air pipe located at the output end of the hot air blower, a flow guide cover communicated with the hot air pipe and suspended inside the upper end of the rotating drum, and discharge ports opened at the lower end of the flow guide cover in equidistant distribution.

[0008] The pre-treatment structure comprises a mounting frame fixed on the upper end of the base, a grid cylinder fixed on one end of the mounting frame, a support net cylinder two fixed on the inner wall of the grid cylinder, a motor two located above the grid cylinder, a rotating shaft located at the lower end of the motor two, a plurality of flow guide hoppers fixed on the inner wall of the support net cylinder two and equidistantly distributed, and a plurality of rotating plates located on the outer wall of the rotating shaft and arranged in a plurality of annular arrays.

[0009] Further, the upper end of the base is provided with a ring seat, and the rotating cylinder is inclined and the outer wall is provided with a rotating ring which is symmetrically distributed and rotatably installed in the inner part of the ring seat.

[0010] Specifically, the rotating cylinder is installed in an inclined manner, so that the quartz sand slowly moves under the action of gravity and the drying time is prolonged.

[0011] Further, the rotating cylinder and the support net cylinder one are provided with a drainage cavity, and the drainage cavity penetrates one end of the rotating cylinder at a low horizontal position.

[0012] Specifically, the drainage cavity collects and discharges the free moisture in the quartz sand, so that the drying load is reduced.

[0013] Further, the upper end of the grid cylinder is provided with a hopper, the hopper is fixed with the motor two through a support, and one end of the mounting frame is provided with a sleeve which is sleeved on the outer side of the grid cylinder.

[0014] Specifically, the hopper is used for feeding the quartz sand, the motor is fixed through the support, and the sleeve intercepts the liquid material discharged from the grid cylinder.

[0015] Further, the lower end of the grid cylinder is provided with a guide cylinder, and the lower end of the guide cylinder is provided with a conveying pipe located in the inner part of one end of the rotating cylinder.

[0016] Specifically, the guide cylinder and the conveying pipe accurately convey the pre-treated quartz sand to the rotating cylinder, so that the material is prevented from spilling.

[0017] Further, the outer wall of the lower end of the grid cylinder is provided with a guide ring which is annular and located below the guide cylinder, one end of the mounting frame is provided with a water collecting tank which is sleeved on the outer side of the guide cylinder and located below the guide ring, and a drainage pipe is connected and mounted at the lower end of the water collecting tank.

[0018] Specifically, the water collecting tank collects the moisture discharged in the pre-treatment process, and the moisture is conveniently discharged through the drainage pipe.

[0019] Compared with the prior art, the hot air machine delivers high-temperature drying gas to dry the quartz sand in the rotating cylinder, the quartz sand flows by itself through the rotation of the rotating cylinder, the contact with the hot gas flow is improved, and the drying efficiency of the quartz sand is improved without stopping the operation of the equipment.

[0020] Meanwhile, the quartz sand is first conveyed into the support net cylinder before drying, and the falling quartz sand is hit by the rotating blade, so that the quartz sand impacts the support net cylinder, the water on the surface of the quartz sand is directly thrown out, the water content of the quartz sand is reduced, and then the water on the outer wall of the quartz sand evaporates fast during drying, the drying time and energy consumption are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front view three-dimensional structure schematic diagram in the utility model;

[0022] Figure 2 It is a back view three-dimensional structure schematic diagram in the utility model;

[0023] Figure 3 It is a main sectional view three-dimensional structure schematic diagram of the rotating cylinder in the utility model;

[0024] Figure 4 It is a top view three-dimensional structure schematic diagram of the pretreatment structure in the utility model;

[0025] Figure 5 It is a main sectional view three-dimensional structure schematic diagram of the pretreatment structure in the utility model;

[0026] Figure 6 It is a main sectional view three-dimensional structure schematic diagram of the grid cylinder in the utility model.

[0027] In the drawing:

[0028] 100, base;

[0029] 200, drying structure; 201, rotating cylinder; 202, hot air machine; 203, ring seat; 204, gear ring; 205, support net cylinder one; 206, hot air pipe; 207, rotating ring; 208, flow guide cover; 209, discharge port; 210, motor one; 211, gear;

[0030] 300, pretreatment structure; 301, motor two; 302, rotating shaft; 303, hopper; 304, sleeve; 305, water collecting tank; 306, drain pipe; 307, conveying pipe; 308, mounting frame; 309, flow guide hopper; 310, grid cylinder; 311, guide ring; 312, rotating plate; 313, support net cylinder two; 314, guide cylinder. DETAILED DESCRIPTION

[0031] The technical scheme 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.

[0032] Please refer to Figures 1-6 The utility model provides a technical scheme, Embodiment

[0033] A quartz sand drying machine, including base 100, preprocessing structure 300;

[0034] Drying structure 200 includes rotary drum 201, support net cylinder one 205 fixed in the inner wall of rotary drum 201, gear ring 204 sleeved on the outer wall of rotary drum 201, motor one 210 located above base 100, gear 211 located at the output end of motor one 210 and engaged with gear ring 204, hot air blower 202 fixed on the upper end of base 100, hot air pipe 206 located at the output end of hot air blower 202, flow guide cover 208 communicated with hot air pipe 206 and suspended in the inner part of the upper end of rotary drum 201, discharge port 209 opened in the lower end of flow guide cover 208 and equidistantly distributed;

[0035] The upper end of base 100 is provided with ring seat 203, and rotary drum 201 is inclined and the outer wall is provided with rotating ring 207 symmetrically distributed and rotatingly installed in the inner part of ring seat 203;

[0036] Drainage cavity is arranged between rotary drum 201 and support net cylinder one 205, and one end of the drainage cavity penetrates the low horizontal position of rotary drum 201;

[0037] In this embodiment, after the quartz sand is conveyed into the inner part of rotary drum 201, motor one 210 and hot air blower 202 operate, motor one 210 drives gear 211 to rotate and push gear ring 204, because rotary drum 201 is rotationally supported in ring seat 203 through rotating ring 207, the quartz sand is turned over in the flowing process in the inner wall of support net cylinder one 205, the hot air flow output by hot air blower 202 is uniformly contacted with quartz stone, and after drying, it is directly discharged through the opening of support net cylinder one 205, avoiding shutdown operation, realizing the continuity of quartz sand drying and improving the drying efficiency of quartz sand. Embodiment

[0038] This embodiment further includes drying structure 200 on the basis of embodiment 1,

[0039] Preprocessing structure 300 includes mounting bracket 308 fixed on the upper end of base 100, grid cylinder 310 fixed on one end of mounting bracket 308, support net cylinder two 313 fixed on the inner wall of grid cylinder 310, motor two 301 located above grid cylinder 310, rotating shaft 302 located at the lower end of motor two 301, flow guide hopper 309 fixed on the inner wall of support net cylinder two 313 and equidistantly distributed, and rotating plate 312 located on the outer wall of rotating shaft 302 and arranged in multiple groups in annular array.

[0040] The upper end of the grid cylinder 310 is provided with a hopper 303, the hopper 303 is fixed with the motor two 301 through a support, and one end of the mounting frame 308 is provided with a sleeve 304 sleeved outside the grid cylinder 310;

[0041] The lower end of the grid cylinder 310 is provided with a guide cylinder 314, and the lower end of the guide cylinder 314 is provided with a conveying pipe 307 located inside one end of the rotating cylinder 201;

[0042] The outer wall of the lower end of the grid cylinder 310 is provided with a guide ring 311 in the form of a ring and located below the guide cylinder 314, one end of the mounting frame 308 is provided with a water collecting tank 305 sleeved outside the guide cylinder 314 and located below the guide ring 311, and the water collecting tank 305 is communicated and mounted with a drain pipe 306 at the lower end;

[0043] In the embodiment, the wet quartz sand enters the grid cylinder 310 through the hopper 303, the rotating shaft 302 and the rotating plate 312 are driven to rotate by the motor two 301, the wet quartz sand is hit by the rotating plate 312, and the wet quartz sand is hit to the support net cylinder two 313, most of the water in the wet quartz sand is thrown out under the action of impact and centrifugal force, the water is discharged through the grid cylinder 310, the discharged water is discharged through the sleeve 304, flows into the water collecting tank 305 through the guide ring 311, and is finally discharged through the drain pipe 306, the pretreatment structure 300 removes the surface water, reduces the load during drying, and reduces the energy consumption, the pretreatment is combined with drying, and the low efficiency problem caused by directly drying the high-moisture quartz sand in the traditional equipment is solved.

[0044] Working principle: the wet quartz sand enters the grid cylinder 310 through the hopper 303, the rotating shaft 302 is driven to rotate by the motor two 301, the rotating shaft 302 drives the rotating plate 312 to hit the wet quartz sand, the rotating plate 312 hits the wet quartz sand to the inner wall of the support net cylinder two 313, the wet quartz sand falling downward in the grid cylinder 310 is buffered by the guide chute 309 for multiple times, the pretreatment time is prolonged, the surface water of the wet quartz sand is quickly separated under the action of centrifugal force and impact force, the separated water is discharged through the mesh holes of the grid cylinder 310, guided to the guide ring 311 through the sleeve 304, and finally discharged through the drain pipe 306, the pretreated quartz sand is accurately conveyed to the inside of the rotating cylinder 201 through the guide cylinder 314 and the conveying pipe 307, and enters the drying stage;

[0045] The rotary drum 201 is installed in an inclined manner, the rotary drum 201 has an inclination angle of 2°-5°, the quartz sand slowly moves to the low end under the action of gravity, the air heater 202 is started, high-temperature hot air of 200-600 DEG C is generated, is transported to the fairing 208 through the hot air pipe 206, the discharge port 209 is arranged at the lower end of the fairing 208 in an equidistant manner, the hot air is uniformly distributed to the inside of the rotary drum 201 and fully contacts the quartz sand, the motor one 210 drives the gear 211 to rotate, the gear 211 is engaged with the gear ring 204, the rotary drum 201 is driven to rotate, the rotary drum 201 is supported in the ring seat 203 through the rotating ring 207, the rotation is stable, the quartz sand is continuously turned over in the flowing process on the inner wall of the supporting net cylinder one 205, the contact area with the hot air is increased, the drying efficiency is improved, the free water in the quartz sand flows into the drainage cavity through the mesh of the supporting net cylinder one 205, the drainage cavity penetrates one end of the rotary drum 201 at the low horizontal position, the water is naturally discharged, the drying load is reduced, the quartz sand after drying is discharged from the low end of the rotary drum 201 and enters the next process or is stored, and continuous production is realized.

Claims

1. A quartz sand dryer characterized by comprising: Base (100), drying structure (200) and pretreatment structure (300) are included. The drying structure (200) includes a rotating drum (201), a support net cylinder one (205) fixedly arranged on the inner wall of the rotating drum (201), a gear ring (204) sleeved on the outer wall of the rotating drum (201), a motor one (210) located above the base (100), a gear (211) located at the output end of the motor one (210) and engaged with the gear ring (204), a hot air machine (202) fixedly arranged on the upper end of the base (100), a hot air pipe (206) located at the output end of the hot air machine (202), a flow guide cover (208) in communication with the hot air pipe (206) and suspended inside the upper end of the rotating drum (201), and a discharge port (209) opened at the lower end of the flow guide cover (208) and equidistantly distributed. The pretreatment structure (300) includes a mounting bracket (308) fixedly arranged on the upper end of the base (100), a grid cylinder (310) fixedly arranged on one end of the mounting bracket (308), a support net cylinder two (313) fixedly arranged on the inner wall of the grid cylinder (310), a motor two (301) located above the grid cylinder (310), a rotating shaft (302) located at the lower end of the motor two (301), a flow guide hopper (309) fixedly arranged on the inner wall of the support net cylinder two (313) and equidistantly distributed, and a rotating plate (312) located on the outer wall of the rotating shaft (302) and arranged in a plurality of annular arrays.

2. A quartz sand dryer as claimed in claim 1, characterized in that: The upper end of the base (100) is provided with a ring seat (203), the rotating drum (201) is inclined and the outer wall is provided with a rotating ring (207) symmetrically distributed and rotatably arranged inside the ring seat (203).

3. A quartz sand dryer as claimed in claim 1, characterized in that: A drainage cavity is arranged between the rotating drum (201) and the support net cylinder one (205), and the drainage cavity penetrates one end of the rotating drum (201) at a low horizontal position.

4. A quartz sand dryer as claimed in claim 1, characterized in that: The upper end of the grid cylinder (310) is provided with a hopper (303), the hopper (303) is fixed with the motor two (301) through a support, and one end of the mounting bracket (308) is provided with a sleeve (304) sleeved on the outer side of the grid cylinder (310).

5. A quartz sand dryer as claimed in claim 1, characterized in that: The lower end of the grid cylinder (310) is provided with a guide cylinder (314), and the lower end of the guide cylinder (314) is provided with a conveying pipe (307) located inside one end of the rotating drum (201).

6. A quartz sand dryer as claimed in claim 5, characterized in that: The outer wall of the lower end of the grid cylinder (310) is provided with a guide ring (311) in the form of an annulus and located below the guide cylinder (314), one end of the mounting bracket (308) is provided with a water collecting tank (305) sleeved on the outer side of the guide cylinder (314) and located below the guide ring (311), and a drain pipe (306) is communicated and mounted at the lower end of the water collecting tank (305).

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