Quartz sand pickling apparatus

Abstract

The quartz sand pickling equipment relates to the quartz sand processing field and comprises a kettle body, a feeding port and a liquid inlet are arranged on the side of the top of the kettle body, a first motor is installed at the center of the top of the kettle body, the output shaft of the first motor is connected with a stirring shaft downward, the main body of the stirring shaft extends into the kettle body, the stirring shaft is connected with stirring blades, a discharge port and a liquid outlet are arranged at the top and bottom of the kettle body, a second motor is arranged on one side of the kettle body, the output shaft of the second motor is connected with a rotating shaft which extends into the kettle body and is connected with a sleeve, the sleeve is located below the stirring blades and has a spacing with the stirring blades, and a plurality of tapered heads are arranged on the outer wall of the sleeve. The first motor is used for driving the stirring blades to strengthen the contact between the acid liquid and the quartz sand, when the acid liquid is discharged after pickling, the quartz sand is accumulated in the lower part of the kettle body, the second motor is started, the quartz sand at the bottom of the reaction kettle is stirred by the tapered heads of the sleeve, the formation of hard agglomerates is avoided, the discharge port is not blocked, and the kettle does not need to be opened for maintenance.

Description

Technical Field

[0001] This invention relates to the field of quartz sand processing, and in particular to a quartz sand acid washing device. Background Technology

[0002] Static soaking is a commonly used method in the acid washing and purification process of quartz sand, but it has some obvious problems that greatly affect the quality of quartz sand.

[0003] During static soaking, uneven contact between the acid and the quartz sand is a prominent issue. Because there is no dynamic stirring to ensure thorough mixing, the acid distribution is uneven; only some of the quartz sand comes into full contact with the acid, while the remaining sand has limited contact. This results in incomplete reaction of impurities, leaving many impurities that should be removed still in the quartz sand.

[0004] To address this issue, the existing solution uses a stirred reactor to enhance contact. However, this leads to new problems: when the acid is discharged after pickling, the quartz sand forms hard clumps due to the surface adsorption of water and the tension of the acid, clogging the discharge port. This requires stopping the reactor and manually crushing and cleaning the clumps, which not only increases labor costs but also easily causes equipment wear. Summary of the Invention

[0005] This invention provides a quartz sand acid washing device that enables the emptying of quartz sand without opening the cover.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] This invention provides a quartz sand pickling device, including a vessel body. The top side of the vessel body is provided with a feed inlet and a liquid inlet. A first motor is installed at the center of the top of the vessel body. The output shaft of the first motor is connected downward to a stirring shaft. The main body of the stirring shaft extends into the vessel body and is connected to stirring blades. The bottom of the top of the vessel body is provided with a discharge outlet and a liquid outlet.

[0008] A second motor is placed on one side of the vessel body. The output shaft of the second motor is connected to a rotating shaft that extends into the vessel body and connects to a sleeve. The sleeve is located below the stirring blade and is spaced apart from the stirring blade. Several cones are provided on the outer wall of the sleeve.

[0009] Further technology of the present invention:

[0010] Preferably, the pickling equipment also includes a transverse pipe, one end of which is closed and the other end is connected to a water pipe installed on the side wall of the vessel. The water pipe is connected to an external water pump. The transverse pipe is provided with an outlet. A sleeve is fitted onto the transverse pipe and has a notch. A second motor drives the sleeve to rotate. The notch is connected to or misaligned with the outlet. When misaligned, the sleeve closes the outlet.

[0011] Preferably, the water outlet is provided in several groups and is evenly arranged circumferentially on the sleeve.

[0012] Preferably, the transverse tube and sleeve are located directly above the discharge port, and one of the water outlets on the transverse tube faces the discharge port.

[0013] Preferably, the second motor is mounted on the base plate, which is connected to the side wall of the vessel body via a hydraulic cylinder. The rotating shaft moves laterally under the extension and retraction of the piston rod of the hydraulic cylinder, and the sleeve moves along the transverse tube body.

[0014] Preferably, the notch of the sleeve is moved outside the transverse pipe body, and the sleeve completely seals the outlet of the transverse pipe body.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] This invention enhances the contact between acid and quartz sand by using a first motor to drive the stirring blades. When the acid is discharged after pickling, the quartz sand accumulates at the bottom of the reactor. When the second motor is started, the quartz sand at the bottom of the reactor is stirred by the conical head of the sleeve, which prevents the formation of hard clumps that block the discharge port, and eliminates the need to stop the machine and open the lid. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the sand discharge state structure of the quartz sand pickling equipment provided by the present invention.

[0019] Figure 2 This is a schematic diagram of the acid washing state structure of the quartz sand acid washing equipment provided by the present invention.

[0020] Figure 3 This is a schematic diagram of the transverse tube structure in this invention.

[0021] Figure 4 This is a schematic diagram showing the positional relationship between the horizontal pipe and the casing in the sand discharge state of a quartz sand pickling equipment.

[0022] Figure 5 This is a schematic diagram showing the positional relationship between the horizontal pipe and the sleeve in the pickling state of a quartz sand pickling equipment.

[0023] In the attached diagram, 10-vessel body, 11-feed inlet, 12-liquid inlet, 13-first motor, 14-stirring shaft, 15-stirring blade, 16-discharge outlet, 17-liquid outlet, 18-support, 19-second motor, 20-rotating shaft, 21-sleeve, 22-cone head, 23-transverse tube, 24-water pipe, 25-external water pump, 26-water outlet, 27-bottom plate, 28-hydraulic cylinder, 29-notch. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0025] like Figure 1-5 This embodiment provides a quartz sand pickling device, including a vessel body 10. The top side of the vessel body 10 is provided with a feed inlet 11 and a liquid inlet 12. A first motor 13 is installed at the center of the top of the vessel body 10. The output shaft of the first motor 13 is connected downward to a stirring shaft 14. The main body of the stirring shaft 14 extends into the vessel body 10 and is connected to a stirring blade 15. The top and bottom of the vessel body 10 are provided with a discharge outlet 16 and a liquid outlet 17. The bottom of the vessel body 10 is supported by a bracket 18.

[0026] A second motor 19 is placed on one side of the vessel body 10. The output shaft of the second motor 19 is connected to a rotating shaft 20 that extends into the vessel body 10 and is connected to a sleeve 21. The sleeve 21 is located below the stirring blade 15 and has a gap between it and the stirring blade 15. Several cones 22 are provided on the outer wall of the sleeve 21.

[0027] In the above structure, both the first motor 13 and the second motor 19 are connected to an external power source for power supply. Quartz sand to be pickled is fed into the feed inlet 11, and acid enters through the inlet 12. The first motor 13 and the second motor 19 are then started. The first motor 13 drives the stirring shaft 14 to rotate, which in turn drives the stirring blades 15 to stir the quartz sand in the upper part of the vessel body 10. The second motor 19 drives the rotating shaft 20 to rotate, which in turn drives the conical head 22 on the sleeve 21 to stir the quartz sand in the lower part of the vessel body 10. The two motors have different stirring directions, and the acid flow direction within the vessel body 10 is inconsistent, thus enhancing the contact between the acid and the quartz sand.

[0028] Meanwhile, when the acid is discharged after pickling, the quartz sand accumulates at the bottom of the reactor body 10. When the second motor 19 is started, the quartz sand at the bottom of the reactor is stirred by the conical head 22 of the sleeve 21, which breaks up the agglomerated quartz sand.

[0029] Crushing alone may not be enough to remove the quartz sand from the discharge port 16. To address this, a flushing system is added in this embodiment. While crushing, the quartz sand is carried out of the vessel body 10 by the water flow. At the same time, the flushing can also wash away any acid residue.

[0030] Before implementing this embodiment, an attempt was made to add water through the inlet 12. It was found that the density of the quartz sand prevented the added water from quickly penetrating to the bottom of the vessel 10. Most of the water remained on the upper layer of the quartz sand and slowly seeped down, losing the effect of water flow impact. Therefore, it is necessary to perform water flow impact at the bottom of the vessel 10 and inside the quartz sand. Thus, in this embodiment, the pickling equipment also includes a transverse pipe 23. One end of the transverse pipe 23 is closed, and the other end is connected to a water pipe 24 set on the side wall of the vessel 10. The water pipe 24 is connected to an external water pump 25. The transverse pipe 23 is provided with an outlet 26. A sleeve 21 is fitted on the transverse pipe 23. The sleeve 21 is provided with a notch 28. The second motor 19 drives the sleeve 21 to rotate. The notch 28 is connected to or misaligned with the outlet 26. When misaligned, the sleeve 21 closes the outlet 26.

[0031] In the above structure, when the external water pump 25 is turned on and the second motor 19 drives the sleeve 21 to rotate, and the notch 28 is connected to the outlet 26, it should be noted that in this embodiment, the outlet 26 is a funnel shape with a larger inner diameter and a smaller outer diameter. The water flow rushes out of the outlet 26 quickly and impacts the quartz sand. On the one hand, it can also break up the clumps of quartz sand. On the other hand, the water flow directly rushes into the bottom of the quartz sand from the lower part of the vessel body 10, and the water flow quickly drives the quartz sand to flow out from the discharge port 16.

[0032] When the notch 28 is misaligned with the outlet 26, the sleeve 21 closes the outlet 26. The quartz sand is agitated by the cone 22 of the sleeve 21. The intermittent combination of water flow impact and cone 22 agitation has a better effect on breaking up agglomerated quartz sand.

[0033] The outlet 26 is provided in several groups and is evenly arranged circumferentially on the sleeve 21.

[0034] The transverse pipe 23 and the sleeve 21 are located directly above the discharge port 16. In this embodiment, the transverse pipe 23 and the sleeve 21 are a certain distance away from the discharge port 16 to avoid blocking the quartz sand from flowing out of the discharge port 16. One of the water outlets 26 on the transverse pipe 23 faces the discharge port 16. The quartz sand at the discharge port 16 is impacted by the water flow from the water outlet 26 facing the discharge port 16, which breaks it and causes it to flow out quickly.

[0035] The aforementioned structure with added transverse pipe 23 further improves the outflow of quartz sand by spraying water through outlet 26. However, during the quartz sand pickling process, due to the presence of notch 28, when the sleeve 21 rotates, notch 28 will connect with outlet 26, causing acid to flow into the transverse pipe 23. Therefore, it is necessary to completely block outlet 26 when the sleeve 21 rotates during the quartz sand pickling process, while simultaneously requiring outlet 26 to remain open during quartz sand discharge. To address this, the sleeve 21 is designed as a telescopic structure. Specifically:

[0036] The second motor 19 is mounted on the base plate 27, which is connected to the side wall of the vessel body 10 via a hydraulic cylinder 28. The rotating shaft 20 moves laterally under the extension and retraction of the piston rod of the hydraulic cylinder 28, and the sleeve 21 moves along the transverse tube 23. The notch 28 of the sleeve 21 moves to the outside of the transverse tube 23, and the sleeve 21 completely seals the outlet 26 of the transverse tube 23.

[0037] It should be noted that the reactor body 10 in the above structure has a sealing structure on its side wall to prevent water leakage during the rotation and lateral movement of the rotating shaft 20. When the second motor 19 stops working, the hydraulic cylinder 28 is activated. The piston rod of the hydraulic cylinder 28 moves, driving the base plate 27 to move, thereby driving the second motor 19 and the rotating shaft 20 to move laterally. The notch 28 of the sleeve 21 moves outside the lateral tube 23, and the sleeve 21 completely seals the outlet 26 of the lateral tube 23. At this time, the hydraulic cylinder 28 stops working, the second motor 19 is activated, and the rotating shaft 20 drives the sleeve 21 to rotate, agitating the quartz sand inside the reactor body 10. After the acid is discharged, the second motor 19 stops working, the hydraulic cylinder 28 is activated, and the sleeve 21 is pulled back so that the notch 28 on the sleeve 21 can connect with the outlet 26. The hydraulic cylinder 28 stops working, the second motor 19 is activated, and the external water pump 25 is turned on simultaneously to perform sand removal.

[0038] In this embodiment, both the sleeve 21 and the transverse tube 23 are slender structures, which reduces the resistance to lateral movement in the quartz sand.

[0039] In this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0040] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A quartz sand pickling equipment, characterized in that, The vessel includes a vessel body, with a feed inlet and a liquid inlet on the top side of the vessel body. A first motor is installed at the center of the top of the vessel body, and the output shaft of the first motor is connected downward to a stirring shaft. The main body of the stirring shaft extends into the vessel body and is connected to stirring blades. A discharge outlet and a liquid outlet are provided at the top and bottom of the vessel body. A second motor is placed on one side of the vessel body. The output shaft of the second motor is connected to a rotating shaft that extends into the vessel body and connects to a sleeve. The sleeve is located below the stirring blade and is spaced apart from the stirring blade. Several cones are provided on the outer wall of the sleeve.

2. The quartz sand pickling equipment according to claim 1, characterized in that, It also includes a horizontal tube body, one end of which is closed and the other end is connected to a water pipe set on the side wall of the vessel body. The water pipe is connected to an external water pump. The horizontal tube body is provided with a water outlet. A sleeve is fitted onto the horizontal tube body. The sleeve is provided with a notch. A second motor drives the sleeve to rotate. The notch is connected to or misaligned with the water outlet. When misaligned, the sleeve closes the water outlet.

3. The quartz sand pickling equipment according to claim 2, characterized in that, The water outlet is provided in several groups and is evenly arranged circumferentially on the sleeve.

4. The quartz sand pickling equipment according to claim 3, characterized in that, The transverse pipe and sleeve are located directly above the discharge port, and one of the water outlets on the transverse pipe faces the discharge port.

5. The quartz sand pickling equipment according to claim 3, characterized in that, The second motor is mounted on the base plate, which is connected to the side wall of the vessel body via a hydraulic cylinder. The rotating shaft moves laterally under the extension and retraction of the piston rod of the hydraulic cylinder, and the sleeve moves along the transverse tube body.

6. The quartz sand pickling equipment according to claim 5, characterized in that, The notch of the sleeve is moved to the outside of the transverse pipe, and the sleeve completely seals the outlet of the transverse pipe.

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