CN213680354U

CN213680354U - Secondary continuous melting device for removing quartz metal and nonmetal impurities

Info

Publication number: CN213680354U
Application number: CN202022120776.0U
Authority: CN
Inventors: 孙启兵
Original assignee: Donghai Aolan Quartz Technology Co ltd
Current assignee: Donghai Aolan Quartz Technology Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-13
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to an inorganic non metallic material-functional glass makes technical field, and discloses a second grade is even melts device for getting rid of quartz metal and non-metallic impurity, including first furnace body and second furnace body, be provided with first tungsten net between first continuous melting stove tungsten molybdenum crucible inner chamber and the first furnace body, be provided with second tungsten net between second continuous melting stove tungsten molybdenum crucible inner chamber and the second furnace body, the bottom of first continuous melting stove tungsten molybdenum crucible inner chamber and second continuous melting stove tungsten molybdenum crucible inner chamber one side all is provided with the admission line, the top of first continuous melting stove tungsten molybdenum crucible inner chamber and second continuous melting stove tungsten molybdenum crucible inner chamber is provided with exhaust duct. This a second grade is even melted device for getting rid of quartz metal and nonmetal impurity through setting up first tungsten net, second tungsten net, admission line and exhaust duct, makes the utility model discloses have the high-efficient miscellaneous function of arranging of hydrogen self-loopa, solved current quartzy powder production process flow many and the few defect of edulcoration, effectively reduce the production link, reach disposable processing impurity.

Description

Secondary continuous melting device for removing quartz metal and nonmetal impurities

Technical Field

The utility model relates to the technical field of inorganic non-metallic material-functional glass manufacturing, in particular to a secondary continuous melting device for removing quartz metal and non-metallic impurities.

Background

At present, in the quartz glass industry, the 80-120 mesh production of high-purity quartz powder raw materials needs a plurality of complex processes such as 72-hour acid washing of quartz powder, high-temperature drying, medium-high magnetic iron removal, 80-120 mesh screening, purity detection and the like, the production process is multiple, the processing cost is high, the production efficiency is low and the like, and the method is the most common treatment method for the high-purity quartz powder raw materials in the domestic quartz glass industry at present.

At present, after raw quartz is mechanically crushed, lump hydrofluoric acid and hydrochloric acid are soaked for 96 hours to remove impurities on the surface of the quartz lump, after drying, mechanical crushing and screening are carried out to 80-120 meshes, then 80-120 meshes of quartz powder are soaked for 72 hours in hydrofluoric acid and hydrochloric acid, drying is carried out again, high-medium magnetic iron is removed, and multi-stage removal of metal impurities of the quartz powder is carried out, so that the process flow is complicated, the efficiency is low, meanwhile, the quartz powder contains a lot of metal and nonmetal impurities, and cannot be completely removed in a multiple acid washing process, and partial residual impurities are formed among quartz lattices and cannot be replaced through a physical process, so that improvement on the quartz powder is needed.

SUMMERY OF THE UTILITY MODEL

The utility model is not enough to prior art, the utility model provides a second grade is even melted device for getting rid of quartz metal and nonmetal impurity, possess the advantage of the high-efficient edulcoration function of hydrogen self-loopa, it is many to have solved present quartz powder raw materials production edulcoration process flow, the edulcoration is few, the numerous serious defect of technology, and through having reduced the production link, reach disposable processing impurity, the best effect of disposable shaping production, total impurity content reaches and is less than or equal to 10ppm, be superior to the prior art who utilizes pickling process to handle impurity, reach internal leading level, the pollution to the environment is reduced simultaneously by a wide margin, labor efficiency is improved.

The utility model provides a following technical scheme: the two-stage continuous melting device for removing quartz metal and nonmetal impurities comprises a first furnace body and a second furnace body, a first tungsten-molybdenum crucible inner cavity is arranged in the first furnace body, a first tungsten net is arranged between the first tungsten-molybdenum crucible inner cavity and the first furnace body, a second continuous melting furnace tungsten-molybdenum crucible inner cavity is arranged inside the second furnace body, a second tungsten net is arranged between the second continuous melting furnace tungsten-molybdenum crucible inner cavity and the second furnace body, a first thermocouple temperature sensor is arranged in the inner cavity of the first continuous melting furnace tungsten-molybdenum crucible, a second thermocouple temperature sensor is arranged in the inner cavity of the second continuous melting furnace tungsten-molybdenum crucible, the bottom ends of one side of the inner cavity of the first continuous melting furnace tungsten-molybdenum crucible and one side of the inner cavity of the second continuous melting furnace tungsten-molybdenum crucible are both provided with an air inlet pipeline, and exhaust pipelines are arranged at the top ends of the inner cavity of the first continuous melting furnace tungsten-molybdenum crucible and the inner cavity of the second continuous melting furnace tungsten-molybdenum crucible.

Preferably, the bottom of the first furnace body is connected with the second furnace body through a support rod, a material guide pipeline is arranged at the bottom of the first furnace body, a second feeding hole is formed in the top of the second furnace body, and the tail end of the material guide pipeline is arranged inside the second feeding hole.

Preferably, a baffle is arranged inside the material guide pipeline, a rotating handle is arranged outside the baffle, and one end of the rotating handle is connected with the baffle

Preferably, the top of first furnace body is provided with first feed inlet, first feed inlet sets up to can the closed feed inlet, the bottom of second furnace body is provided with the second feed opening, the second feed opening sets up to can the closed feed opening.

Preferably, copper bars are symmetrically arranged on two sides of the first furnace body and the second furnace body, and a PLC (programmable logic controller) is arranged on the surface of the second furnace body.

Preferably, all be provided with the heat preservation on the inside lateral wall of first furnace body and second furnace body, the heat preservation sets up to high temperature resistant zirconia jade brick and piles up to form.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the secondary continuous melting device for removing the impurities of the quartz metal and the nonmetal has the advantages that the novel device has a high-efficiency impurity removing function by arranging the first tungsten net, the second tungsten net, the first thermocouple temperature sensor and the second thermocouple temperature sensor, overcomes the defects of more process flows, less impurity removal and more processes in the existing quartz powder production process, effectively reduces production links, achieves one-time impurity treatment, and detects the temperature conditions of the first tungsten net and the second tungsten net in the tungsten-molybdenum crucible inner cavity of the first continuous melting furnace and the tungsten-molybdenum crucible inner cavity of the second continuous melting furnace respectively through the first tungsten net and the second tungsten net and the first thermocouple temperature sensor and the second thermocouple temperature sensor respectively, so that the temperature in the tungsten-molybdenum crucible inner cavity of the first continuous melting furnace is conveniently controlled to be between 1500 degrees and 1700 degrees, removing partial metal and nonmetal impurities in the quartz powder, controlling the temperature in the inner cavity of the tungsten-molybdenum crucible of the second continuous melting furnace to be 2100-2500 ℃, removing metal impurities such as iron, potassium, sodium, lithium, calcium, magnesium, aluminum and the like which are lower than the melting point of quartz and nonmetal impurities such as feldspar, mica and the like, and realizing efficient impurity removal.

2. This a second grade is even melts device for getting rid of quartz metal and nonmetal impurity through setting up admission line and exhaust duct, makes this use novel hydrogen self-loopa function has, conveniently discharges through the secondary, effectively takes away the harmful impurity in the quartz powder raw materials, when using, lets in through admission line and admit air in first continuous smelting pot tungsten molybdenum crucible inner chamber and the second continuous smelting pot tungsten molybdenum crucible inner chamber to carry out the hydrogen circulation through exhaust duct, take away gaseous impurity simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a schematic structural diagram of a portion a in fig. 1 according to the present invention.

In the figure: 1. a first furnace body; 2. a second furnace body; 3. an exhaust duct; 4. copper bars; 5. an air intake duct; 6. a support bar; 7. a feeding port; 8. a second thermocouple temperature sensor; 9. a second feed port; 10. A heat-insulating layer; 11. an inner cavity of a tungsten-molybdenum crucible of a first continuous melting furnace; 12. a first tungsten mesh; 13. a first thermocouple temperature sensor; 14. a first feed port; 15. a material guide pipeline; 16. a PLC controller; 17. a baffle plate; 18. Rotating the handle; 19. the inner cavity of the tungsten-molybdenum crucible of the second continuous melting furnace; 20. a second tungsten mesh.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a two-stage continuous melting device for removing impurities of quartz metal and nonmetal comprises a first furnace body 1 and a second furnace body 2, wherein the bottom of the first furnace body 1 is connected with the second furnace body 2 through a support rod 6, a first feed inlet 14 is arranged at the top of the first furnace body 1, the first feed inlet 14 is arranged as a closable feed inlet, a second feed outlet 7 is arranged at the bottom of the second furnace body 2, the second feed outlet 7 is arranged as a closable feed outlet, a material guide pipeline 15 is arranged at the bottom of the first furnace body 1, a second feed inlet 9 is arranged at the top of the second furnace body 2, the tail end of the material guide pipeline 15 is arranged inside the second feed inlet 9, a baffle 17 is arranged inside the material guide pipeline 15, a rotating handle 18 is arranged outside the baffle 17, one end of the rotating handle 18 is connected with the baffle 17, copper bars 4 are symmetrically arranged at two sides of the first furnace body 1 and the second furnace body 2, can be conveniently connected with a first tungsten net and a second tungsten net through a conductive copper bar to realize 24-hour power supply, a PLC (programmable logic controller) 16 is installed on the surface of a second furnace body 2, the PLC 16 is the prior art, the PLC 16 is S7400 in model, heat insulating layers 10 are arranged on the side walls inside the first furnace body 1 and the second furnace body 2, the heat insulating layers 10 are formed by stacking high-temperature-resistant zircon jade bricks, a first continuous melting furnace tungsten-molybdenum crucible inner cavity 11 is arranged inside the first furnace body 1, a first tungsten net 12 is arranged between the first continuous melting furnace tungsten-molybdenum crucible inner cavity 11 and the first furnace body 1, a second continuous melting furnace tungsten-molybdenum crucible inner cavity 19 is arranged inside the second furnace body 2, a second tungsten net 20 is arranged between the second continuous melting furnace tungsten-molybdenum crucible inner cavity 19 and the second furnace body 2, a first thermocouple temperature sensor 13 is installed inside the first continuous melting furnace tungsten-molybdenum crucible inner cavity 11, and the first thermocouple temperature sensor 13 is the prior art, and the model of the first thermocouple temperature sensor 13 is K43U-010-05C-9HP49, a second thermocouple temperature sensor 8 is arranged in the inner cavity 19 of the tungsten-molybdenum crucible of the second continuous melting furnace, the second thermocouple temperature sensor 19 is the prior art, the model of the second thermocouple temperature sensor 19 is K43U-010-05C-9HP49, the bottom ends of one sides of the inner cavity 11 of the first continuous melting furnace tungsten-molybdenum crucible and the inner cavity 19 of the second continuous melting furnace tungsten-molybdenum crucible are both provided with an air inlet pipeline 5, the top ends of the inner cavity 11 of the first continuous melting furnace tungsten-molybdenum crucible and the inner cavity 19 of the second continuous melting furnace tungsten-molybdenum crucible are provided with an air outlet pipeline 3, can be convenient for delivering hydrogen to the

inner cavities

11 and 19 of the first continuous melting furnace tungsten-molybdenum crucible and the second continuous melting furnace tungsten-molybdenum crucible through the gas inlet pipeline 5, and the hydrogen and gaseous impurities in the

inner cavities

11 and 19 of the tungsten-molybdenum crucible of the first continuous melting furnace and the second continuous melting furnace are discharged through the exhaust pipeline 3.

When the device works, a worker puts raw materials into the inner cavity 11 of the tungsten-molybdenum crucible of the first continuous melting furnace through the first feeding hole 14, so that the first tungsten mesh 12 is subjected to high-temperature melting under the conduction of the copper bar 4, the temperature inside the inner cavity is detected through the first thermocouple temperature sensor 13, the temperature in the inner cavity 11 of the tungsten-molybdenum crucible of the first continuous melting furnace is controlled within the temperature range of 1500-1700 degrees of a non-melting state, meanwhile, hydrogen is introduced into the inner cavity 11 of the tungsten-molybdenum crucible of the first continuous melting furnace through the air inlet pipeline 5, so that the hydrogen permeates among quartz powder crystal cells, part of metal and nonmetal impurities in a high-temperature thermal state form an atomizing state and are discharged through the exhaust pipeline 3, meanwhile, the rotating handle 18 can be rotated to drive the baffle 17 to rotate, and the material discharging speed is adjusted by controlling the size between the baffle 17 and the inner wall of the material guide pipeline 15, when the raw materials enter the inner cavity 19 of the tungsten-molybdenum crucible of the second continuous melting furnace, the second tungsten mesh 20 is used for heating the inner cavity 19 of the tungsten-molybdenum crucible of the second continuous melting furnace under the conduction of the copper bar 4, the temperature in the inner cavity 19 of the tungsten-molybdenum crucible of the second continuous melting furnace can be detected through the second thermocouple temperature sensor 8, the temperature in the inner cavity 19 of the tungsten-molybdenum crucible of the second continuous melting furnace is controlled between 2100 and 2500 ℃, the formation structure of quartz crystal lattices is damaged, a thermal vortex is continuously formed in a high-temperature melting state, quartz powder is in a hot melt liquid state after being melted at high temperature, a thermal vortex is formed in the furnace, metal impurities such as iron, potassium, sodium, lithium, calcium, magnesium, aluminum and the like and non-metal impurities such as feldspar, mica and the like which are lower than the melting point of quartz are released after being melted, and are discharged through the exhaust pipeline 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A second grade continuous melting device for getting rid of quartz metal and nonmetal impurity, including first furnace body (1) and second furnace body (2), its characterized in that: the inside of first furnace body (1) is provided with first continuous melting stove tungsten molybdenum crucible inner chamber (11), be provided with first tungsten net (12) between first continuous melting stove tungsten molybdenum crucible inner chamber (11) and first furnace body (1), the inside of second furnace body (2) is provided with second continuous melting stove tungsten molybdenum crucible inner chamber (19), be provided with second tungsten net (20) between second continuous melting stove tungsten molybdenum crucible inner chamber (19) and second furnace body (2), the internally mounted of first continuous melting stove tungsten molybdenum crucible inner chamber (11) has first thermocouple temperature sensor (13), the internally mounted of second continuous melting stove tungsten molybdenum crucible inner chamber (19) has second thermocouple temperature sensor (8), the bottom of first continuous melting stove tungsten molybdenum crucible inner chamber (11) and second continuous melting stove tungsten molybdenum crucible inner chamber (19) one side all is provided with pipeline (5) of admitting air, the top of first continuous melting stove tungsten molybdenum crucible inner chamber (11) and second continuous melting stove tungsten molybdenum crucible inner chamber (19) is established tungsten crucible inner chamber (11), and is established tungsten molybdenum crucible inner chamber (19) and is established An exhaust duct (3) is provided.

2. The two-stage continuous melting apparatus for removing quartz metal and non-metal impurities according to claim 1, characterized in that: the bottom of the first furnace body (1) is connected with the second furnace body (2) through a support rod (6), a material guide pipeline (15) is arranged at the bottom of the first furnace body (1), a second feed port (9) is arranged at the top of the second furnace body (2), and the tail end of the material guide pipeline (15) is arranged inside the second feed port (9).

3. The two-stage continuous melting apparatus for removing quartz metal and non-metal impurities as claimed in claim 2, wherein: the inside of guide pipeline (15) is provided with baffle (17), the outside of baffle (17) is provided with twist grip (18), the one end and the baffle (17) of twist grip (18) are connected.

4. The two-stage continuous melting apparatus for removing quartz metal and non-metal impurities according to claim 1, characterized in that: the top of first furnace body (1) is provided with first feed inlet (14), first feed inlet (14) set up to can seal the formula feed inlet, the bottom of second furnace body (2) is provided with second feed opening (7), second feed opening (7) set up to can seal the formula feed opening.

5. The two-stage continuous melting apparatus for removing quartz metal and non-metal impurities according to claim 1, characterized in that: copper bars (4) are symmetrically arranged on two sides of the first furnace body (1) and the second furnace body (2), and a PLC (programmable logic controller) (16) is arranged on the surface of the second furnace body (2).

6. The two-stage continuous melting apparatus for removing quartz metal and non-metal impurities according to claim 1, characterized in that: all be provided with heat preservation (10) on the inside lateral wall of first furnace body (1) and second furnace body (2), heat preservation (10) set up to be high temperature resistant zircon jade brick and pile up to form.