Drying device for quartz sand production

Abstract

The utility model discloses a drying device for quartz sand production, and belongs to the technical field of quartz sand processing. The device mainly comprises a base, a drying box is fixedly connected to the base, a drying pipeline is connected into the drying box in a sealed mode, six hollow rollers are rotationally connected into the drying pipeline, the drying box is divided into three bins through the drying pipeline, and an oil conveying opening is fixedly connected to the upper portion of one side of the drying box and communicates with a second heating bin. An oil outlet is fixedly connected to the lower portion of one side of the drying box and communicated with the third heating bin, a first heating device is fixedly connected to the other side of the drying box, two sliding grooves are formed in each of the two sides of the drying box, a steam exhaust pipe is fixedly connected to the top of the drying box, and a discharging groove fixedly connected with the drying box is formed in one side of the steam exhaust pipe. The heat conduction oil is heated through the first heating device, the hollow roller is heated through the second heating device, the heat efficiency is higher, quartz sand is continuously conveyed into the device through the conveying device, the continuity is better, and more energy is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to quartz sand processing technical field, concretely speaking, especially relate to a quartz sand production drying device. BACKGROUND

[0002] In quartz sand production, drying is a key link. The traditional quartz sand drying device has the problems of low drying efficiency and high energy consumption. Some equipment is unevenly heated, resulting in uneven drying quality of quartz sand and affecting the performance of subsequent products.

[0003] The patent with the authorized announcement number "CN220229879U" discloses a quartz sand dryer, which comprises a device seat, a drying box rotatably installed on the top left side of the device seat, a first motor installed on the bottom right side of the device seat, an output shaft of the first motor fixedly connected with a shaft rod, a moving block threadedly connected with the outer side of the shaft rod, a blower installed on the right side of the drying box and having a fixed pipe in communication with the air outlet end of the blower, a filter plate installed on the top left and right sides of the drying box, an electric heating wire arranged on the inner right side of the fixed pipe, the moving block slidably installed on the top of the device seat, and a supporting rod rotatably installed on the top of the moving block. The above-mentioned patent solves the problem of caking during the drying process of quartz sand, but a large amount of quartz sand enters the device, which increases the drying time of the device, and the quartz sand in the drying box can only be dried for the next time after the drying is completed, which has poor continuity. Moreover, the air is heated by the electric heating wire, the heat transfer efficiency is low, and a large amount of energy is consumed.

[0004] In view of the above technical problems, the present application provides a solution. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a quartz sand production drying device. The device heats the heat-conducting oil by the heating device one and heats the hollow roller by the heating device two, which has higher heat efficiency and faster water evaporation. The device can continuously transport quartz sand into the device by the conveying device, which has better continuity and saves energy.

[0006] The quartz sand production drying device, including base, fixedly connected with drying box on base, sealedly connected with drying pipeline in drying box, drying pipeline is "V" shape, six hollow rollers are rotatably connected in drying pipeline, drying pipeline divides drying box into three compartments, heating compartment one, heating compartment two and heating compartment three, heating compartment one, heating compartment two and heating compartment three are communicated with each other, fixedly connected with oil inlet on one side of drying box, oil inlet is communicated with heating compartment two, fixedly connected with oil outlet on one side of drying box, oil outlet is communicated with heating compartment three, fixedly connected with heating device one on the other side of drying box, two grooves are arranged on both sides of drying box, fixedly connected with steam exhaust pipe on the top of drying box, one end of steam exhaust pipe is communicated with drying pipeline through heating compartment two, one side of steam exhaust pipe is fixedly connected with discharging groove, discharging groove is communicated with one end of drying pipeline, fixedly connected with sand discharge pipe on the bottom of drying box, sand discharge pipe is fixedly connected with the other end of drying pipeline.

[0007] Preferably, one end of the drying box is slidably connected with a heating device two, the heating device two includes a limiting column slidably connected with the sliding groove, the limiting column is fixedly connected with a fixed plate on one side, the fixed plate is fixedly connected with six annular heating rods on one side, the annular heating rods are on the same side of the limiting column, the annular heating rods are in the hollow rollers, the fixed plate is fixedly connected with a handle and a second power inlet on the other side, the second power inlet is electrically connected with the annular heating rods.

[0008] Preferably, the heating device one includes a heat pipe in the heating compartment one, the heat pipe is fixedly connected with a baffle fixed on the drying box on one side, the baffle is fixedly connected with a first power inlet on one side, the first power inlet is electrically connected with the heat pipe.

[0009] Preferably, the heat pipe and the annular heating rod are both made of silicon carbide ceramic.

[0010] Preferably, the hollow roller includes a hollow inside the roller wall, a plurality of tooth columns are arranged on the outer surface of the roller wall, the tooth columns abut against the drying pipeline, one side of the roller wall is rotatably connected with the drying box, the other side of the roller wall is fixedly connected with a shaft, the shaft is rotatably connected with the drying box, the shaft is fixedly connected with a sprocket, a chain is meshingly and drivingly connected with the sprocket, the six hollow rollers are driven by the chain.

[0011] Preferably, the hollow rollers have inconsistent diameters, including four small-diameter and two large-diameter hollow rollers.

[0012] Preferably, one side of the drying box is provided with a conveying device fixedly connected with the base, one end of the conveying device is fixedly connected with one side of the discharging groove, the conveying device has a certain angle with the base, so that the conveying device is inclined, the driving device one and the driving device two are fixedly connected with the base below the conveying device.

[0013] Preferably, the extension end of the driving device one is fixedly connected with a chain wheel, a chain is transmissionally engaged with the chain wheel, and a chain wheel is fixedly connected to the conveying device and is transmissionally engaged with the chain wheel on the driving device one through the chain.

[0014] Preferably, the heating bin one, the heating bin two and the heating bin three are filled with heat-conducting oil.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1、The utility model discloses a heat-conducting oil is added in three annular heating bins and is heated to the heat-conducting oil through heating device, and the heating is more uniform, and annular heating rods are arranged in the hollow roller and heat the quartz sand on two sides, so that the heating efficiency is higher, and energy is more saved, only need to pull the handle, can take out the annular heating rod from the hollow roller, and the annular heating rod is more easily replaced.

[0017] 2、The hollow roller has a plurality of tooth columns, can divide the quartz sand that enters the drying pipeline and reduce the thickness of the quartz sand, improve the drying efficiency, and the hollow roller adopts different aperture, and the drying pipeline adopts V shape, so that the quartz sand can stay longer in the drying pipeline, and the area of contact with the quartz sand is larger, so that the quartz sand is dried more thoroughly, and the utility model can work continuously and stably provide the dried quartz sand to the outside. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic drawing of the utility model;

[0019] Figure 2 It is the structure schematic drawing of another view of the utility model;

[0020] Figure 3 It is the internal structure schematic drawing of the utility model;

[0021] Figure 4 It is the structure schematic drawing of the drying box;

[0022] Figure 5 It is the structure schematic drawing of the heating device one;

[0023] Figure 6 It is the structure schematic drawing of the hollow roller;

[0024] Figure 7 It is the structure schematic drawing of the heating device two;

[0025] In the figure, 1, base; 2, drying box; 201, oil inlet; 202, oil outlet; 203, chute; 204, drying pipeline; 205, heating bin one; 206, heating bin two; 207, heating bin three; 3, steam exhaust pipe; 4, discharge chute; 5, conveying device; 6, chain wheel; 7, chain; 8, driving device one; 9, driving device two; 10, heating device one; 1001, heat pipe; 1002, power transmission port one; 11, hollow roller; 1101, shaft; 1102, tooth column; 1103, roller wall; 12, heating device two; 1201, power transmission port two; 1202, handle; 1203, fixed plate; 1204, limiting column; 1205, annular heating rod; 13, sand exhaust pipe. DETAILED DESCRIPTION

[0026] The utility model will be further explained in connection with the drawings:

[0027] The orientation terms involved in the paragraphs of detailed description are only for the convenience of the person skilled in the art to understand the technical solutions recorded in the application according to the visual orientation shown in the drawings. Except for explicit provisions and limitations, the terms such as "setting", "installing", "connecting" should be understood broadly, and for the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] For example, Figures 1 to 7As shown, a quartz sand production drying device, including base 1, base 1 is fixedly connected with drying box 2, drying box 2 is sealedly connected with drying pipeline 204 inside, drying pipeline 204 is "V" shape, the advantage of such design is that the travel of quartz sand inside drying pipeline 204 can be increased, and the drying efficiency is improved. Six hollow rollers 11 are rotatably connected inside drying pipeline 204, drying pipeline 204 divides drying box 2 into three compartments, which are heating compartment one 205, heating compartment two 206 and heating compartment three 207, heating compartment one 205, heating compartment two 206 and heating compartment three 207 are communicated with each other, one side of the upper part of drying box 2 is fixedly connected with oil inlet 201, oil inlet 201 is communicated with heating compartment two 206, one side of the lower part of drying box 2 is fixedly connected with oil outlet 202, oil outlet 202 is communicated with heating compartment three 207, the other side of drying box 2 is fixedly connected with heating device one 10, heating oil from oil inlet 201 can fill the three compartments at the same time, and one heating device one 10 can also heat the three compartments at the same time. Two chutes 203 are arranged on both sides of drying box 2, exhaust pipe 3 is fixedly connected to the top of drying box 2, one end of exhaust pipe 3 penetrates heating compartment two 206 and is communicated with drying pipeline 204, so that the water vapor evaporated inside drying pipeline 204 can be discharged from drying box 2 through exhaust pipe 3. One side of exhaust pipe 3 is provided with a discharge chute 4 fixedly connected with drying box 2, the discharge chute 4 is communicated with one end of drying pipeline 204, the bottom of drying box 2 is fixedly connected with sand discharge pipe 13, the other end of drying pipeline 204 is fixedly connected with sand discharge pipe 13, and the dried quartz sand is discharged from drying box 2.

[0029] One end of drying box 2 is slidably connected with heating device two 12, heating device two 12 includes a limiting column 1204 slidably connected with chute 203, one side of limiting column 1204 is fixedly connected with a fixed plate 1203, one side of fixed plate 1203 is fixedly connected with six annular heating rods 1205, annular heating rods 1205 are on the same side of limiting column 1204, annular heating rods 1205 are inside hollow rollers 11, the other side of fixed plate 1203 is fixedly connected with a handle 1202 and an electricity inlet two 1201, electricity inlet two 1201 is electrically connected with annular heating rods 1205. Heating device one 10 includes a heat pipe 1001 inside heating compartment one 205, one side of heat pipe 1001 is fixedly connected with a baffle fixed on drying box 2, one side of the baffle is fixedly connected with an electricity inlet one 1002, electricity inlet one 1002 is electrically connected with heat pipe 1001, heat pipe 1001 and annular heating rods 1205 are heated by supplying electricity to electricity inlet one 1002 and electricity inlet two 1201. The material of heat pipe 1001 and annular heating rods 1205 is silicon carbide ceramic, the advantage of using silicon carbide ceramic is that it has very high high-temperature resistance and can withstand high temperatures above 1600℃, and it also has good thermal conductivity and chemical stability, and can be in good contact with heat-conducting oil without chemical reaction. It can be used to heat heat-conducting oil.

[0030] The hollow roller 11 comprises a hollow inside the roller wall 1103, the outer surface of the roller wall 1103 is provided with a plurality of tooth columns 1102, the tooth columns 1102 abut the drying pipe 204, the tooth columns 1102 serve to divide the quartz sand into small pieces, reduce the thickness of the quartz sand, and increase the drying efficiency, one side of the roller wall 1103 is rotatably connected with the drying box 2, and the opening side of the roller wall 1103 is outside the drying box 2, so that the second heating device can enter. The other side of the roller wall 1103 is fixedly connected with a shaft 1101, the shaft 1101 is rotatably connected with the drying box 2, the shaft 1101 is fixedly connected with a sprocket 6, the sprocket 6 is meshingly and drivingly connected with a chain 7, and the six hollow rollers 11 are driven by the chain 7. The hollow rollers 11 have different diameters, including four small-diameter hollow rollers 11 and two large-diameter hollow rollers 11. The advantage of this design is that the small-diameter hollow rollers 11 can divide the quartz sand into smaller pieces, and the large-diameter hollow rollers 11 inside the drying pipe 204 can increase the contact area of the quartz sand with the drying pipe 204 and the hollow rollers 11, thereby improving the drying efficiency. One side of the drying box 2 is provided with a conveying device 5 fixedly connected with the base 1, one end of the conveying device 5 is fixedly connected with one side of the discharge chute 4, and the conveying device 5 has a certain angle with the base 1, so that the conveying device 5 is inclined. The advantage of this design is that the quartz sand containing more water will not enter the drying box 2, but will be affected by gravity and remain on the ground, and the water adhering to the quartz sand will enter the inside of the drying pipe 204, thereby reducing the drying pressure of the drying box 2. The lower part of the conveying device 5 is fixedly connected with a driving device one 8 and a driving device two 9 on the base 1.

[0031] The extending end of the driving device one 8 is fixedly connected with a sprocket 6, the sprocket 6 is meshingly and drivingly connected with a chain 7, and the conveying device 5 is fixedly connected with a sprocket 6. The sprocket 6 on the driving device one 8 is meshingly and drivingly connected with the chain 7, the driving device one 8 provides power to the conveying device 5 through the chain 7, the conveying device 5 of the utility model refers to a conveyor belt, and the quartz sand is moved from the bottom to the discharge chute 4 through the conveying device 5. The extending end of the driving device two 9 is fixedly connected with a sprocket 6, which is meshingly and drivingly connected with the sprocket 6 on the hollow roller 11 through the chain 7. The driving device two 9 transmits power to the hollow roller 11, so that the hollow roller 11 rotates and moves the quartz sand downward.

[0032] The heating bin one 205, the heating bin two 206 and the heating bin three 207 are filled with heat-conducting oil, and the advantage is that only one heating device one 10 needs to be provided in the heating bin one 205 to heat the heat-conducting oil in the other two chambers at the same time, and the temperature is increased to the same temperature. A high-temperature environment is provided outside the drying pipe 204, and the temperature can be conducted to the inside of the drying pipe 204.

[0033] The person skilled in the art can limit the specified positions of the execution components in the following movement process by means of the prior art known to him, such as installing corresponding mechanical limit switches or photoelectric sensors; in order to realize automatic operation, the utility model can adopt numerical control technology or PLC to control the movement of the execution components.

[0034] Working process: open the oil inlet 201, inject heat conducting oil into the heating bin one 205, the heating bin two 206 and the heating bin three 207, and close the oil inlet 201. Start the heating device one 10, heat the heat conducting oil to a specified temperature through the heat pipe 1001, and drive the heating device two 12 to heat the annular heating rod 1205 to a specified temperature.

[0035] Start the driving device one 8, the sprocket 6 on the driving device one 8 drives the chain 7 to rotate, and then drives the conveying device 5 to rotate. Start the driving device two 9, and drive the hollow roller 11 inside the drying pipeline 204 to rotate through the driving device two 9. Move the quartz sand to the conveying device 5, and the excess water in the quartz sand flows downward. The quartz sand moves upward, moves to the inside of the drying pipeline 204 through the discharge slot 4, and the tooth column 1102 on the hollow roller 11 separates the quartz sand. The separated quartz sand is in contact with the roller wall 1103 on one side and the inner wall of the drying pipeline 204 on the other side. The water on the quartz sand is evaporated by the high temperature on both sides, and the evaporated water vapor is discharged to the air along the exhaust pipe 3. When the quartz sand moves from one hollow roller 11 to the next hollow roller 11, the part of the quartz sand that is dry and hard will be re-rolled and crushed. Then continue to experience the drying process until it moves from the drying pipeline 204 to the sand discharge pipe 13 and is discharged to the outside of the drying box.

[0036] If the annular heating rod 1205 malfunctions during use, the annular heating rod 1205 can be pulled out from the inside of the hollow roller 11 by pulling the handle 1202, which facilitates maintenance.

[0037] Finally, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity. The person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that the person skilled in the art can understand.

Claims

1. A quartz sand production drying device comprising a base (1), characterized in that: The base (1) is fixedly connected with a drying box (2), the drying box (2) is sealingly connected with a drying pipeline (204) inside, the drying pipeline (204) is V-shaped, six hollow rollers (11) are rotatably connected inside the drying pipeline (204), the drying pipeline (204) divides the drying box (2) into three chambers, which are heating chamber one (205), heating chamber two (206) and heating chamber three (207) respectively, the heating chamber one (205), the heating chamber two (206) and the heating chamber three (207) are interconnected, an oil inlet (201) is fixedly connected to the upper side of the drying box (2), the oil inlet (201) is communicated with the heating chamber two (206), an oil outlet (202) is fixedly connected to the lower side of the drying box (2), the oil outlet (202) is communicated with the heating chamber three (207), a heating device one (10) is fixedly connected to the other side of the drying box (2), two sliding grooves (203) are arranged on the two sides of the drying box (2), a steam discharge pipe (3) is fixedly connected to the top of the drying box (2), one end of the steam discharge pipe (3) penetrates through the heating chamber two (206) and is communicated with the drying pipeline (204), a discharging chute (4) is arranged on one side of the steam discharge pipe (3) and fixedly connected with the drying box (2), the discharging chute (4) is communicated with one end of the drying pipeline (204), a sand discharge pipe (13) is fixedly connected to the bottom of the drying box (2), and the sand discharge pipe (13) is fixedly connected with the other end of the drying pipeline (204).

2. A quartz sand drying device according to claim 1, characterized in that: The drying box (2) is slidingly connected with a heating device two (12) at one end, the heating device two (12) comprises a limiting column (1204) slidingly connected with the sliding groove (203), the limiting column (1204) is fixedly connected with a fixed plate (1203) on one side, the fixed plate (1203) is fixedly connected with six annular heating rods (1205) on one side, the annular heating rods (1205) are on the same side of the limiting column (1204), the annular heating rods (1205) are inside the hollow roller (11), the fixed plate (1203) is fixedly connected with a handle (1202) and a power inlet two (1201) on the other side, the power inlet two (1201) is electrically connected with the annular heating rod (1205).

3. The quartz sand drying device according to claim 1, characterized in that: The heating device one (10) comprises a heat pipe (1001) inside the heating chamber one (205), the heat pipe (1001) is fixedly connected with a baffle fixed on the drying box (2) on one side, the baffle is fixedly connected with a power inlet one (1002) on one side, and the power inlet one (1002) is electrically connected with the heat pipe (1001).

4. The quartz sand drying device according to claim 3, characterized in that: The heat pipe (1001) and the annular heating rod (1205) are both made of silicon carbide ceramic.

5. The quartz sand drying device according to claim 1, characterized in that: The hollow roller (11) includes a hollow inside a roller wall (1103), the outer surface of the roller wall (1103) is provided with a plurality of teeth column (1102), the teeth column (1102) is opposite with the drying pipeline (204), one side of the roller wall (1103) is rotatably connected with the drying box (2), the other side of the roller wall (1103) is fixedly connected with the shaft (1101), the shaft (1101) is rotatably connected with the drying box (2), the shaft (1101) is fixedly connected with the sprocket (6), the sprocket (6) is meshingly and drivingly connected with the chain (7), and the six hollow rollers (11) are driven by the chain (7).

6. The quartz sand drying device according to claim 1, characterized in that: The hollow roller (11) has inconsistent hole diameters, including four small-diameter and two large-diameter hollow rollers (11).

7. The quartz sand drying device according to claim 1, characterized in that: One side of the drying box (2) is provided with a conveying device (5) fixedly connected with the base (1), one end of the conveying device (5) is fixedly connected with one side of the discharging chute (4), and the conveying device (5) and the base (1) have a certain included angle, so that the conveying device (5) is inclined, and the lower part of the conveying device (5) is fixedly connected with driving device one (8) and driving device two (9) on the base (1).

8. The quartz sand drying device according to claim 7, characterized in that: The protruding end of the driving device one (8) is fixedly connected with the sprocket (6), the sprocket (6) is meshingly and drivingly connected with the chain (7), the sprocket (6) is fixedly connected with the conveying device (5), and the sprocket (6) on the driving device one (8) is meshingly and drivingly connected with the chain (7), the protruding end of the driving device two (9) is fixedly connected with the sprocket (6), and the sprocket (6) on the hollow roller (11) is meshingly and drivingly connected with the chain (7).

9. The quartz sand drying device according to claim 1, characterized in that: The heating bin one (205), the heating bin two (206) and the heating bin three (207) are filled with heat-conducting oil.

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