CN113879862A - Grading feeding device and method for electronic glass kiln - Google Patents
Grading feeding device and method for electronic glass kiln Download PDFInfo
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- CN113879862A CN113879862A CN202111146700.8A CN202111146700A CN113879862A CN 113879862 A CN113879862 A CN 113879862A CN 202111146700 A CN202111146700 A CN 202111146700A CN 113879862 A CN113879862 A CN 113879862A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/46—Devices for emptying otherwise than from the top using screw conveyors
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Abstract
The invention belongs to the technical field of electronic glass production equipment, and particularly relates to a graded feeding device and a graded feeding method for an electronic glass kiln. Through setting up one-level feed bin, second grade feed bin, one-level screw conveyer and second grade spiral feeder and throw the material in grades, make the one-level feed bin not influenced by kiln temperature, second grade feed bin raw materials is difficult for piling up, has maintained the stability of throw material volume, has avoided the fluctuation of glass liquid level in the kiln.
Description
Technical Field
The invention belongs to the technical field of electronic glass production equipment, and particularly relates to a grading feeding device and method for an electronic glass kiln.
Background
The feeding system of the electronic glass kiln generally comprises one or more groups of kiln head bin feeders. The powder in the bin is directly fed into the kiln by the spiral feeder, the bin at the head of each kiln is filled with the powder during working, the lower part of the bin is connected with the spiral feeder, the raw material is filled with the hopper at the inlet of the spiral feeder under the action of self weight, and the spiral shaft in the spiral feeder pushes the material into the kiln after rotating. Because the pressure generated by the powder in the kiln head bin at different material positions is different and the density degree of the powder in the charging barrel is correspondingly changed, when the kiln head bin is full of materials, the stacking density of the powder in the hopper is relatively large, and the feeding amount in unit time is large; when the material in the kiln head bin is small, the powder accumulation density in the material barrel is relatively small, and the feeding amount in unit time is small. Especially, the kiln storage bin is close to the kiln, the environment temperature is high, local heating agglomeration in the storage bin can be caused, the feeding stability is influenced, the liquid level fluctuation of the kiln is caused, and the kiln process is directly influenced.
Disclosure of Invention
The invention aims to provide a grading feeding device and a grading feeding method for an electronic glass kiln, which are used for solving the technical problem that the liquid level of the kiln fluctuates due to unstable feeding speed caused by raw material caking caused by different material levels of a bin of the electronic glass kiln and the environmental temperature.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the invention provides a graded feeding device of an electronic glass kiln, which comprises a primary bin, a primary screw conveyor, a secondary bin, a secondary screw feeder and a kiln; the one-level feed bin bottom delivery outlet links to each other with one-level screw conveyer feed inlet, one-level screw conveyer discharge gate links to each other with the second grade feed bin, the discharge gate and the second grade spiral feeder feed inlet of second grade feed bin bottom link to each other, and second grade spiral feeder discharge gate links to each other with the kiln.
The invention further improves the following steps: a secondary bin material loading level meter and a secondary bin material discharging level meter are further arranged in the secondary bin, the secondary bin material loading level meter is arranged at the upper part of the inner side of the secondary bin, and a secondary bin material discharging level meter is arranged below the secondary bin material loading level meter; a primary screw conveyor control unit is arranged on the primary screw conveyor; and the second-level bin material loading level meter and the second-level bin material unloading level meter are connected with the first-level screw conveyor control unit.
The invention further improves the following steps: a liquid level detection device is also arranged in the kiln; the secondary spiral feeder is provided with a secondary spiral feeder control unit; the liquid level detection device is connected with the control unit of the secondary spiral feeder.
The invention further improves the following steps: a first gate valve is arranged between the first-stage storage bin and the first-stage spiral conveyor, and a second gate valve is arranged between the second-stage storage bin and the second-stage spiral feeder.
The invention further improves the following steps: the volume between the charge level indicator on the second grade feed bin and the charge level indicator under the second grade feed bin is 3 ~ 5 times of second grade spiral feeder every minute input, and the volume between the hopper of second grade spiral feeder is 5 ~ 8 times of second grade spiral feeder every minute input under the second grade feed bin.
The invention further improves the following steps: the material loading level of the secondary storage bin is in a mechanical contact type, and the material loading level of the secondary storage bin is in one of a mechanical contact type or a light sensation non-contact type.
The invention further improves the following steps: the liquid level detection device is one of an infrared detection type or a mechanical contact type.
The invention further improves the following steps: and the middle part of the outer side of the first-level bin is provided with a first-level bin weighing device.
The invention further improves the following steps: the first-level screw conveyor is in flexible connection with the second-level bin through powder, and the lower end of the second gate valve is in rigid connection or flexible connection with the second-level screw feeder through powder.
The invention further improves the following steps: the kiln is connected with at least one outlet of a secondary spiral feeder.
In a second aspect, the invention provides a graded feeding method for an electronic glass kiln, which comprises the following steps:
the raw materials are put into a first-level storage bin, a first-level screw conveyor and a second-level screw feeder are started, and the raw materials pass through the first-level screw conveyor from an outlet of the first-level storage bin and enter the second-level storage bin.
The invention further improves the following steps: further comprising the steps of:
monitoring the position of the raw material entering the secondary storage bin, and if the position of the raw material is above the feeding position, feeding a signal back to the primary screw conveyor to control the primary screw conveyor to decelerate or close; if the position of the raw material is lower than the blanking position, feeding back a signal to the primary screw conveyor to control the primary screw conveyor to start or accelerate; the raw material in the secondary storage bin is kept between the feeding level and the discharging level.
The invention further improves the following steps: the position of the raw material entering the secondary bin is monitored by a secondary bin feeding level meter and a secondary bin discharging level meter.
The invention further improves the following steps: further comprising the steps of:
and monitoring the liquid level in the kiln, feeding a signal back to the secondary spiral feeder when the fluctuation of the liquid level exceeds a set value, and controlling the secondary spiral feeder to correspondingly increase or decrease the feeding amount per minute so as to enable the fluctuation of the liquid level to be within the set value.
The invention further improves the following steps: the liquid level in the kiln is monitored by a liquid level detection device.
Compared with the prior art, the invention has the beneficial effects that:
1. the primary storage bin, the secondary storage bin, the primary screw conveyor and the secondary screw feeder are arranged for feeding materials in a grading manner, so that the primary storage bin is not influenced by the temperature of the kiln, raw materials of the secondary storage bin are not easy to accumulate, the stability of the feeding amount is maintained, and the fluctuation of the glass liquid level in the kiln is avoided;
2. the liquid level detection realizes the real-time adjustment function of the glass liquid level by the feedback signal of the spiral batch feeder;
3. the layout of the graded feeding realizes that the kiln is kept away from the first-level storage bin in space, reduces the environmental temperature of the storage bin and avoids the high-temperature caking problem of the glass raw materials.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a graded feeding device of an electronic glass kiln.
In the figure: 1. a first-level storage bin; 2. a primary screw conveyor; 3. a secondary storage bin; 4. a secondary spiral feeder; 5. a first-level bin weigher; 6. a second-level storage bin level meter; 7. a second-level bin level meter; 8. a primary screw conveyor control unit; 9; a secondary spiral feeder control unit; 10. a liquid level detection device; 11. a first gate valve; 12. a second gate valve; 13. a kiln.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
Example 1
As shown in fig. 1, the invention provides a graded feeding device of an electronic glass kiln, which comprises a first-stage storage bin 1, a first-stage screw conveyor 2, a second-stage storage bin 3, a second-stage screw feeder 4, a first-stage storage bin weighing device 5, a second-stage storage bin feeding level indicator 6, a second-stage storage bin discharging level indicator 7, a first-stage screw conveyor control unit 8, a second-stage screw feeder control unit 9, a liquid level detection device 10, a first gate valve 11 and a second gate valve 12;
an output port at the bottom of the primary storage bin 1 is rigidly connected with a feed inlet at one end of the primary screw conveyor 2, and a first gate valve 11 is arranged at the joint to control the raw materials in the primary storage bin 1 to be transmitted to the primary screw conveyor 2; the output port at the other end of the primary screw conveyor 2 is in soft connection with the inlet of the secondary bin 3 through powder. The primary bin 1 and the primary screw conveyor 2 are weighed as a whole by a primary bin weigher 5.
A second gate valve 12 is arranged between an output port at the bottom of the second-stage storage bin 3 and an input port of the second-stage spiral feeder 4, the raw materials in the second-stage storage bin are controlled to be transmitted to the second-stage spiral feeder 4, and the lower end of the second gate valve 12 is in quick-release rigid connection or powder soft connection with the second-stage spiral feeder 4.
The inner side of the upper part of the second-level bin 3 is provided with a second-level bin feeding level indicator 6, and a second-level bin discharging level indicator 7 is arranged below the second-level bin feeding level indicator 6.
The material level meter 7 of the second-level storage bin adopts a mechanical contact type, and the material level meter 6 of the second-level storage bin adopts one of a mechanical contact type or a light sensation non-contact type.
The liquid level detection device 10 is connected with the secondary spiral feeder control unit 9, when the fluctuation of the liquid level exceeds the set value of the liquid level detection device, the liquid level detection device 10 outputs a signal to the secondary spiral feeder control unit 9, so that the feeding amount per minute of the secondary spiral feeder 4 is controlled, and the real-time adjustment of the liquid level is formed.
The conveying capacity of the primary screw conveyor 2 is 1.1-1.3 times of the feeding capacity per minute of the secondary screw feeder.
The screw shafts of the primary screw conveyor 2 and the secondary screw feeder 4 are made of wear-resistant alloy materials.
The second-stage storage bin 3 is designed to be in a circular truncated cone shape, the upper end face of the second-stage storage bin is larger than the lower end face of the second-stage storage bin, and powder is prevented from staying and adhering on the wall of the second-stage storage bin.
The volume between the material level meter 7 of the secondary material bin and the hopper of the secondary spiral feeder 4 is 5-8 times of the feeding amount of the secondary spiral feeder 4 in the kiln 13 per minute, and the retention time of the raw materials in the secondary material bin 3 is less than 20 minutes.
The volume between the material loading level meter 6 of the second-level material bin and the material unloading level meter 7 of the second-level material bin 3 is 3-5 times of the material feeding amount of the second-level spiral feeding machine 4 per minute in the kiln 13
The primary spiral feeder 2 controls the start and stop of the working state of the primary spiral feeder 2 according to the feedback signals of the secondary bin feeding level indicator 6 and the secondary bin discharging level indicator 7.
The secondary spiral feeder 4 controls the feeding amount per minute of the secondary spiral feeder 4 according to a feedback signal of the liquid level detection device 10 of the kiln 13.
Example 2
The invention also provides a method for feeding the electronic glass kiln in a grading manner, and the device for feeding the electronic glass kiln in a grading manner based on the embodiment 1 comprises the following steps:
the method comprises the following steps: putting raw materials into a first-stage storage bin 1, opening a first gate valve 11 and a second gate valve 12, starting a first-stage screw conveyor 2 and a second-stage screw feeder 4, and enabling the raw materials to pass through the first-stage screw conveyor 2 from an outlet of the first-stage storage bin 1 and enter a second-stage storage bin 3;
step two: judging the position of the raw material entering the secondary bin 3, if the raw material is positioned above the feeding level indicator 6 of the secondary bin, feeding a signal back to the control unit 8 of the primary screw conveyor by the feeding level indicator of the secondary bin, so that the primary screw conveyor 2 is closed, and the first gate valve 11 is closed; if the position of the raw material is lower than the secondary bin level meter 7, the secondary bin level meter 7 feeds back a signal to a secondary spiral feeder control unit 9, so that the primary spiral conveyor 2 is started, and the first gate valve 11 is opened; the raw materials in the secondary bin 3 are kept between the secondary bin feeding level indicator 6 and the secondary bin discharging level indicator 7, and meanwhile, the raw materials are fed into a kiln 13 through a secondary spiral feeder 4.
Step three: the glass liquid level is detected by the liquid level detection device 10 in the kiln 13, when the fluctuation of the liquid level exceeds the set value of the liquid level detection device 10, the liquid level detection device 10 forms a feedback to be sent to the secondary spiral feeder 4, the feeding amount per minute of the secondary spiral feeder 4 is increased or reduced, and the real-time adjustment of the liquid level is formed.
One kiln 13 can be used in cooperation with a plurality of electronic glass kiln grading feeding devices.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. The grading feeding device of the electronic glass kiln is characterized by comprising a primary storage bin (1), a primary screw conveyor (2), a secondary storage bin (3), a secondary screw feeder (4) and a kiln (13);
the one-level feed bin (1) bottom delivery outlet links to each other with one-level screw conveyer (2) feed inlet, one-level screw conveyer (2) discharge gate links to each other with second grade feed bin (3), the discharge gate and the second grade spiral feeder (4) feed inlet of second grade feed bin (3) bottom link to each other, and second grade spiral feeder discharge gate links to each other with kiln (13).
2. The graded feeding device of the electronic glass kiln, according to claim 1, characterized in that a secondary bin feeding level indicator (6) and a secondary bin discharging level indicator (7) are further arranged in the secondary bin (3), the secondary bin feeding level indicator (6) is arranged at the upper part of the inner side of the secondary bin (3), and the secondary bin discharging level indicator (7) is arranged below the secondary bin feeding level indicator (6); a primary screw conveyor control unit (8) is arranged on the primary screw conveyor (2); and the secondary bin feeding level indicator (6) and the secondary bin discharging level indicator (7) are connected with a primary screw conveyor control unit (8).
3. The graded feeding device of the electronic glass kiln as claimed in claim 1, characterized in that a liquid level detection device (10) is further arranged in the kiln (13); a secondary spiral feeder control unit (9) is arranged on the secondary spiral feeder (4); the liquid level detection device (10) is connected with a control unit (9) of the secondary spiral batch feeder.
4. The graded feeding device of the electronic glass kiln, according to claim 1, characterized in that a first gate valve (11) is arranged between the primary bunker (1) and the primary screw conveyor (2), and a second gate valve (12) is arranged between the secondary bunker (3) and the secondary screw feeder (4).
5. The graded feeding device of the electronic glass kiln, according to claim 2, characterized in that the volume between the secondary bin level meter (6) and the secondary bin level meter (7) in the secondary bin (3) is 3-5 times of the feeding amount per minute of the secondary spiral feeder (4), and the volume between the secondary bin level meter (7) and the hopper of the secondary spiral feeder (4) is 5-8 times of the feeding amount per minute of the secondary spiral feeder (4).
6. The graded feeding device of the electronic glass kiln according to claim 2, wherein the secondary bin level down indicator (7) is in mechanical contact type, and the secondary bin level up indicator (6) is in one of mechanical contact type or light sensation non-contact type.
7. The graded feeding device of the electronic glass kiln as claimed in claim 4, wherein the first-stage screw conveyor (2) is in soft powder connection with the second-stage storage bin (3), and the lower end of the second gate valve (12) is in one of rigid connection and soft powder connection with the second-stage screw feeder (4).
8. The graded feeding method of the electronic glass kiln, which is characterized in that the graded feeding device of the electronic glass kiln based on claim 1 comprises the following steps:
the raw materials are put into a first-level storage bin (1), a first-level screw conveyor (2) and a second-level screw feeder (4) are started, and the raw materials enter a second-level storage bin (3) from an outlet of the first-level storage bin (1) through the first-level screw conveyor (2).
9. The graded feeding method of the electronic glass kiln as recited in claim 8, further comprising the steps of:
monitoring the position of the raw material entering the secondary storage bin (3), and if the position of the raw material is above the feeding position, feeding a signal back to the primary screw conveyor (2) to control the primary screw conveyor (2) to decelerate or close; if the position of the raw material is lower than the blanking position, feeding back a signal to the primary screw conveyor (2) to control the primary screw conveyor (2) to start or accelerate; the raw material in the secondary storage bin (3) is kept between the feeding level and the discharging level.
10. The graded feeding method of the electronic glass kiln as recited in claim 8, further comprising the steps of:
the liquid level in the kiln (13) is monitored, when the fluctuation of the liquid level exceeds a set value, a signal is fed back to the secondary spiral feeder (4), and the secondary spiral feeder (4) is controlled to correspondingly increase or decrease the feeding amount per minute, so that the fluctuation of the liquid level is within the set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146700.8A CN113879862A (en) | 2021-09-28 | 2021-09-28 | Grading feeding device and method for electronic glass kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146700.8A CN113879862A (en) | 2021-09-28 | 2021-09-28 | Grading feeding device and method for electronic glass kiln |
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| CN113879862A true CN113879862A (en) | 2022-01-04 |
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| CN202111146700.8A Pending CN113879862A (en) | 2021-09-28 | 2021-09-28 | Grading feeding device and method for electronic glass kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115259198A (en) * | 2022-07-25 | 2022-11-01 | 江西石磊氟化学有限公司 | Dry treatment process and equipment for high-calcium-carbonate fluorite powder |
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2021
- 2021-09-28 CN CN202111146700.8A patent/CN113879862A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115259198A (en) * | 2022-07-25 | 2022-11-01 | 江西石磊氟化学有限公司 | Dry treatment process and equipment for high-calcium-carbonate fluorite powder |
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