CN215983647U

CN215983647U - High-purity quartz sand drying equipment

Info

Publication number: CN215983647U
Application number: CN202122665411.0U
Authority: CN
Inventors: 郑向春
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-08
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses high-purity quartz sand drying equipment, which relates to the field of high-purity quartz sand drying equipment and comprises a heating device, an outlet fan and a plurality of drying boxes, wherein reinforcing rib plates are arranged in the drying boxes and used for supporting heat exchange tubes, and shutters are arranged on two sides of the drying boxes. The heat exchange tube is supported by the reinforcing rib plate arranged in the drying box, so that creep caused by overlong heat exchange tubes can be effectively prevented, the risk of deformation or breakage of the heat exchange tubes is reduced, the service life of the heat exchange tubes is longer, and the cost is saved more. Meanwhile, the shutters are arranged on the two sides of the drying box, and compared with the existing mesh heat dissipation window, the heat dissipation of the shutters can effectively reduce the risk that high-purity quartz sand leaks out of the drying box, so that the raw material waste and the risk of operators are reduced.

Description

High-purity quartz sand drying equipment

Technical Field

The utility model belongs to the field of high-purity quartz sand drying equipment, and particularly relates to high-purity quartz sand drying equipment.

Background

The unique physical and chemical properties of quartz sand make IT play a very important role in aviation, aerospace, electronics, machinery and the current rapidly-developing IT industry, especially the internal molecular chain structure, crystal shape and lattice change rule, so that the quartz sand has high temperature resistance, small thermal expansion coefficient, high insulation, corrosion resistance, piezoelectric effect, resonance effect and unique optical properties, and plays an increasingly important role in many high-tech products.

The quartz sand as a core raw material of the silicon raw material plays an irreplaceable important basic role in the production and supply of the silicon raw material. The special physical and chemical optical characteristics of the material make IT play an increasingly important role in many high-tech products, such as core technology products of IT industry-computer chips, optical fibers, resonators of electronic industry, novel electric light sources, high-insulation sealing materials, aerospace instruments, military technology products, special optical glass, chemical analysis instruments and the like, all of which can not leave the basic raw materials. The quartz stone with beautiful crystal and shape can be used as glasses and noble handicraft, and the piezoelectric property of quartz crystal can be used for making frequency stabilizer and quartz filter in radio wire industry. Can be used for making various lenses, reflectors, spectral tubes, light guide tubes, prisms, polarizers and the like in optical instruments. The hydrothermal temperature difference method is widely applied to manufacturing artificial quartz crystals for manufacturing piezoelectric elements. In the chemical industry, quartz is used in acid and temperature resistant instruments and vessels; in the electrical industry, quartz is often used as an excellent insulating material; quartz is also a good raw material in the glass, enamel and refractory brick manufacturing industries; the outstanding properties of fused quartz also make it widely used in the metallurgical, food, pharmaceutical and paper industries. The quartz stones (sand) at the outlet are mostly used in the metallurgy and refractory material industries.

The high-purity quartz sand drying equipment generally adopts contact type drying, and the high-purity quartz sand is contacted with a heat exchange tube communicated with a heat exchange medium, so that the high-purity quartz sand is subjected to heat exchange with the heat exchange tube, and the high-purity quartz sand is dried.

However, the drying box of the existing high-purity quartz sand drying equipment adopts a mesh heat dissipation window, so that high-purity quartz sand is easy to leak out of the equipment in the drying process, is harmful to human bodies, threatens the health of operators and causes the loss of raw materials; simultaneously, for making the pipe heat area bigger, the heat transfer is more abundant, and current heat transfer pipe length generally can all set up than long, in long-term use, especially under the high temperature, metal tubular product takes place irreversible creep easily, directly embodies the stress concentration region for the heat exchange tube and takes place bending deformation, serious can arouse the fracture even.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, the present invention is directed to providing.

The technical scheme adopted by the utility model is as follows:

the utility model provides a high-purity quartz sand drying equipment, including heating device, export fan and a plurality of stoving case, a plurality of stoving incasement portions intercommunication just piles up the setting layer upon layer, stoving incasement portion is provided with a plurality of heat exchange tubes, the stoving case of bottom is provided with the lower hopper of high-purity quartz sand, the feed inlet of high-purity quartz sand is seted up to the stoving case of top, heating device is connected with the stoving case of bottom, export fan is connected with the stoving case of top, two adjacent stoving cases with the one end through the hot-blast main connection, the both ends of stoving case are provided with the perforated plate, the hole of relative position passes through the heat exchange tube connection on two perforated plates, stoving incasement portion is provided with the rib plate, the rib plate is used for supporting the heat exchange tube, the both sides of stoving case are provided with the shutter.

As optional, the stoving case both ends are provided with the toper section, and the main aspects and the perforated plate of toper section are connected, and the tip of the toper section of bottom stoving case inlet end is connected with heating device, and the tip of the toper section of top stoving case end of giving vent to anger is connected with the export fan, connects through the hot-blast main between the toper section of two adjacent stoving cases with the one end.

As optional, be provided with a plurality of regulating ducts between the stoving case of hopper and bottom down, a plurality of regulating ducts parallel arrangement become one row, all is provided with the regulating duct between two adjacent heat exchange tubes, and the regulating duct is used for adjusting the clearance between two adjacent heat exchange tubes in bottom, and the bottom of regulating duct is provided with a plurality of pulse tubes, and a plurality of pulse tubes all are connected with the air compression pipeline.

Optionally, the reinforcing rib plate is provided with a plurality of through holes for supporting the heat exchange tubes, and the hole site distribution of the reinforcing rib plate corresponds to the perforated plates one by one.

Optionally, the outlet end of the outlet fan is connected with a dust remover.

As optional, the stoving bottom of the case portion of bottom is provided with a plurality of evenly distributed's supporting leg.

As optional, the quantity of stoving case is three, and three stoving incasement portion communicate and pile up the setting layer upon layer.

As optional, the material of stoving case and heat exchange tube all chooses for use the aluminum alloy.

The utility model has the beneficial effects that:

1) the utility model provides high-purity quartz sand drying equipment which comprises a heating device, an outlet fan and a plurality of drying boxes, wherein the drying boxes are communicated and stacked layer by layer, a plurality of heat exchange tubes are arranged in each drying box, a discharging hopper of high-purity quartz sand is arranged in each drying box at the bottom, a feed inlet of the high-purity quartz sand is arranged in each drying box at the top, the heating device is connected with the drying boxes at the bottom, the outlet fan is connected with the drying boxes at the top, the same ends of every two adjacent drying boxes are connected through a hot air tube, porous plates are arranged at two ends of each drying box, holes in opposite positions on the two porous plates are connected through the heat exchange tubes, reinforcing floor plates are arranged in each drying box and used for supporting the heat exchange tubes, and the reinforcing floor plates are arranged in the drying boxes to support the heat exchange tubes, so that creep caused by overlong heat exchange tubes can be effectively prevented, and the risk of deformation or fracture of the heat exchange tubes is reduced, the service life of the heat exchange tube is longer, and the cost is saved.

2) Meanwhile, the shutters are arranged on the two sides of the drying box, and compared with the existing mesh heat dissipation window, the heat dissipation of the shutters can effectively reduce the risk that high-purity quartz sand leaks out of the drying box, so that the raw material waste and the risk of operators are reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of a drying box of the present invention.

Fig. 3 is a schematic view of the installation of the regulator tube of the present invention.

In the figure: 1-heating device, 11-conical section, 12-hot air pipe, 2-drying box, 21-perforated plate, 22-heat exchange pipe, 23-reinforced rib plate, 3-shutter, 4-blanking hopper, 5-air pressure pipeline, 51-pulse pipe, 52-adjusting pipe, 53-adjusting ring, 6-supporting leg, 7-outlet fan and 8-dust remover.

Detailed Description

The first embodiment is as follows:

in this embodiment, as shown in fig. 1 and fig. 2, a high-purity quartz sand drying apparatus comprises a heating device 1, an outlet fan 7 and a plurality of drying boxes 2, wherein the plurality of drying boxes 2 are communicated and stacked layer by layer, the plurality of heat exchange tubes 22 are arranged inside the drying boxes 2, the drying box 2 at the bottom is provided with a discharge hopper 4 for high-purity quartz sand, the drying box 2 at the top is provided with a feed inlet for high-purity quartz sand, the heating device 1 is connected with the drying box 2 at the bottom, the outlet fan 7 is connected with the drying box 2 at the top, the same ends of two adjacent drying boxes 2 are connected through a hot air tube 12, the two ends of the drying box 2 are provided with porous plates 21, holes at opposite positions on the two porous plates 21 are connected through the heat exchange tubes 22, the drying box 2 is internally provided with a reinforcing rib plate 23 for supporting the heat exchange tubes 22, the heat exchange tubes 22 are supported by the reinforcing rib plate 23 arranged in the drying box 2, creep caused by overlong heat exchange tubes 22 can be effectively prevented, the risk of deformation or fracture of the heat exchange tubes is reduced, the service life of the heat exchange tubes 22 is longer, and cost is saved.

Meanwhile, in the embodiment, as shown in fig. 1 and 2, the shutters 3 are arranged on two sides of the drying box 2, and the heat dissipation of the shutters 3 can effectively reduce the risk of leakage of the high-purity quartz sand from the drying box 2 compared with the existing mesh heat dissipation window, so that the raw material waste and the risk of operators are reduced.

In the present embodiment, as shown in fig. 1, the bottom of the drying box 2 is provided with a plurality of uniformly distributed supporting legs 6.

Specifically, four apex angle play of the stoving case 2 bottom of bottom all are provided with supporting leg 6.

Specifically, in the present embodiment, the reinforcing rib 23 is provided with a plurality of through holes for supporting the heat exchange tubes 22, and the hole positions of the reinforcing rib 23 are distributed in one-to-one correspondence with the porous plates 21.

Specifically, in the present embodiment, a reinforcing rib 23 is provided, and the reinforcing rib 23 is provided in the middle of the heat exchange tube 22.

In this embodiment, specifically, the number of drying boxes 2 is three, and three drying boxes 2 are communicated and stacked layer by layer.

Specifically, the number of the heat exchange tubes 22 is equal to the number of the through holes in the porous plate 21, and the number of the heat exchange tubes 22 depends on the required amount of the heat exchange area, and can be designed according to the actual process requirements.

In this embodiment, specifically, the drying box 2 and the heat exchange tube 22 are made of 6061 aluminum alloy. 6061 aluminum alloy is a high-quality aluminum alloy product produced by a heat treatment pre-stretching process, has stronger strength than magnesium and silicon alloy, has the excellent characteristics of excellent processing performance, excellent welding performance, electroplating performance, excellent corrosion resistance, high toughness, no deformation after processing, compact and defect-free material, easy polishing, easy coloring film, excellent oxidation effect and the like, can effectively improve the integral strength of the drying box 2, and ensures that a machine does not deform.

Example two:

the embodiment provides an alternative for the specific structure of the drying box 2 on the basis of the first embodiment.

In this embodiment, as shown in fig. 1, two ends of the drying box 2 are provided with tapered sections 11, a large end of each tapered section 11 is connected with the porous plate 21, a small end of the tapered section 11 at the air inlet end of the bottom drying box 2 is connected with the heating device 1, a small end of the tapered section 11 at the air outlet end of the top drying box 2 is connected with the outlet fan 7, and the tapered sections 11 at the same end of two adjacent drying boxes 2 are connected through the hot air pipe 12.

Specifically, the drying box 2 is divided into a material channel and a heat exchange medium channel, the material channel is an inner cavity part of the three layers of drying boxes 2 which are communicated with each other, high-purity quartz sand is fed from the top layer of the drying box 2 at the top, the heat exchange medium channel starts from the air inlet of the heat exchange tube 22 of the drying box 2 at the bottom, and the air outlet of each layer of drying box 2 is connected with the air outlet of the drying box 2 at the upper layer adjacent to the air outlet of the drying box 2 at the upper layer through the hot air tube 12.

In this embodiment, heating device 1 is the combustion chamber, produces steam through adding the combustible substance in the combustion chamber, forms high temperature space in stoving case 2 inside, and high-purity quartz sand enters into stoving case 2 inside back from top stoving case 2 entry, drops downwards to with the contact of heat exchange tube, steam enters into heat transfer medium passageway from the air inlet of bottom stoving case 2, through the heat exchange of the high-purity quartz sand in stoving case 2 in the heat exchange tube 22, thereby dry high-purity quartz sand, later with discharge fan from the export.

Example three:

the present embodiment provides an alternative to the above-mentioned any embodiment for the specific structure of the lower hopper 4.

In the present embodiment, as shown in fig. 1 and fig. 3, a plurality of adjusting pipes 52 are arranged between the discharging hopper 4 and the drying box 2 at the bottom, the plurality of adjusting pipes 52 are arranged in a row in parallel, the adjusting pipe 52 is arranged between two adjacent heat exchange pipes 22, the adjusting pipe 52 is used for adjusting the gap between two adjacent heat exchange pipes 22 at the bottom end, a plurality of pulse pipes 51 are arranged at the bottom of the adjusting pipe 52, and the plurality of pulse pipes 51 are all connected with the air pressure pipeline 5.

In the embodiment, specifically, the adjusting pipe 52 is arranged between the drying box 2 at the bottommost part and the lower hopper 4, the adjusting pipe 52 is parallel to the heat exchanging pipes 22, the adjusting pipe 52 is arranged above the heat exchanging pipe 22 at the bottommost part, each adjusting pipe 52 is respectively located above the gap between two heat exchanging pipes 22, after the quartz sand enters the drying box 2 from the drying box 2 at the top end, the quartz sand is dried layer by layer through the multiple layers of heat exchanging pipes 22 and enters the lower hopper 4 from the gap between the heat exchanging pipes 22 at the bottom end, the adjusting pipe 52 can reduce the gap between two adjacent heat exchanging pipes 22, the undried quartz sand can be bonded into blocks, after the adjusting pipe 52 is arranged, the dried quartz sand can be quickly clamped on the gap between the adjusting pipe 52 and the heat exchanging pipes 22 and cannot enter the lower hopper 4, the undried quartz sand blocks can be effectively prevented from entering the lower hopper 4, but when too many quartz sand blocks are accumulated on the gap between the adjusting pipe 52 and the heat exchanging pipes 22, the area of the blanking is reduced, and the discharging speed is reduced.

In this embodiment, as shown in fig. 3, three pulse tubes 51 are provided, three pulse tubes 51 are arranged in parallel to the porous plate 21, each pulse tube 51 is provided with a plurality of air outlet holes, the number of the air outlet holes is equal to the number of the regulating tubes 52, each air outlet hole is directly opposite to one regulating tube 52, one end of each pulse tube 51 is closed, the other end of each pulse tube 51 is communicated with the air pressure pipeline 5, and a pulse valve set is installed on each pulse tube 51 and used for cutting off or communicating the connection between the air pressure pipeline and the pulse tube 51, compressed air in the air pressure pipeline 5 blows the regulating tube 52 through the air outlet holes of the pulse tube 51, when the air outlet holes of the pulse tubes 51 blow one regulating tube 52 at a certain frequency, the regulating tube 52 can vibrate at the same frequency, so that the regulating tube 51 can displace the quartz sand blocks accumulated in the gap between the regulating tube 52 and the heat exchange tube 22, thereby leading the dried and fine quartz sand particles to fall down and preventing material blockage. Meanwhile, after the quartz sand block is baked for a period of time, the quartz sand block is converted into fine quartz sand particles to enter the discharging hopper 4 by the vibration of the regulated pipe 52.

In the present embodiment, as shown in fig. 3, a plurality of adjusting rings 53 are uniformly disposed on the adjusting pipe 52, and the adjusting rings 53 can further reduce the gap between the two heat exchanging pipes 22.

Example four:

in this embodiment, on the basis of any of the above embodiments, the outlet end of the outlet fan 7 is connected to a dust remover 8, and the dust remover 8 is used for removing suspended matters such as dust in hot air to prevent air pollution.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The utility model provides a high-purity quartz sand drying equipment, includes heating device (1), export fan (7) and a plurality of stoving case (2), and is a plurality of stoving case (2) inside intercommunication and pile up the setting layer upon layer of stoving case (2), stoving case (2) inside is provided with a plurality of heat exchange tubes (22), and stoving case (2) of bottom are provided with hopper (4) down of high-purity quartz sand, and the feed inlet of high-purity quartz sand is seted up in stoving case (2) at top, heating device (1) is connected with stoving case (2) of bottom, export fan (7) are connected with stoving case (2) at top, and two adjacent stoving cases (2) are passed through hot-blast main (12) with one end and are connected its characterized in that: perforated plates (21) are arranged at two ends of the drying box (2), holes in opposite positions on the two perforated plates (21) are connected through heat exchange tubes (22), reinforcing floor plates (23) are arranged inside the drying box (2), the reinforcing floor plates (23) are used for supporting the heat exchange tubes (22), and shutters (3) are arranged on two sides of the drying box (2).

2. The drying equipment for the high-purity quartz sand, according to the claim 1, is characterized in that two ends of the drying box (2) are provided with conical sections (11), the big end of each conical section (11) is connected with the perforated plate (21), the small end of the conical section (11) at the air inlet end of the bottom drying box (2) is connected with the heating device (1), the small end of the conical section (11) at the air outlet end of the top drying box (2) is connected with the outlet fan (7), and the conical sections (11) at the same end of the two adjacent drying boxes (2) are connected through the hot air pipe (12).

3. The drying equipment for the high-purity quartz sand, according to the claim 2, is characterized in that a plurality of adjusting pipes (52) are arranged between the blanking hopper (4) and the drying box (2) at the bottom, a plurality of adjusting pipes (52) are arranged in parallel to form a row, an adjusting pipe (52) is arranged between every two adjacent heat exchange pipes (22), the adjusting pipes (52) are used for adjusting the gap between every two adjacent heat exchange pipes (22) at the bottom end, a plurality of pulse pipes (51) are arranged at the bottom of the adjusting pipes (52), and a plurality of pulse pipes (51) are connected with the air pressure pipeline (5).

4. The drying equipment for the high-purity quartz sand as claimed in claim 3, wherein a plurality of through holes for supporting the heat exchange tubes (22) are formed in the reinforcing rib plates (23), and the through holes of the reinforcing rib plates (23) are distributed in one-to-one correspondence with the porous plates (21).

5. The drying equipment for the high-purity quartz sand according to the claim 1, characterized in that the outlet end of the outlet fan (7) is connected with a dust remover (8).

6. A drying apparatus for high purity quartz sand according to claim 1, characterized in that the bottom of said drying box (2) is provided with a plurality of evenly distributed supporting legs (6).

7. The drying equipment for the high-purity quartz sand as claimed in claim 1, wherein the number of the drying boxes (2) is three, and the three drying boxes (2) are communicated and are stacked layer by layer.

8. The drying equipment for the high-purity quartz sand as claimed in claim 1, wherein the drying box (2) and the heat exchange tube (22) are both made of 6061 aluminum alloy.