CN109516674B

CN109516674B - Automatic liquid level control device

Info

Publication number: CN109516674B
Application number: CN201811645788.6A
Authority: CN
Inventors: 王永杰
Original assignee: Chongqing Hoson Glass Co ltd
Current assignee: Chongqing Hoson Glass Co ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2021-11-12
Anticipated expiration: 2038-12-29
Also published as: CN109516674A

Abstract

The invention relates to the field of liquid level control, in particular to an automatic liquid level control device, which comprises a rack, a ball screw pair and a hollow plate, wherein the rack is provided with a guide rail; the side wall of the glass kiln is spirally provided with a return pipe, the return pipe comprises a feeding end and a discharging end, the hollow plate divides the glass kiln into an upper chamber and a lower chamber, the side wall of the lower chamber is provided with a material leakage port, the feeding end of the return pipe is positioned in the lower chamber, and the discharging end of the return pipe is positioned in the upper chamber; the ball screw pair comprises a screw and a nut seat, the screw is rotatably arranged on the rack, one end of the screw is fixedly provided with a rotary pushing assembly, and the rotary pushing assembly is positioned in the lower cavity; the automatic fire extinguisher is characterized in that a support tube capable of being in contact with the fire maker is fixed on the nut seat, a guide rod in sliding connection with the nut seat is fixed on the rack, the guide rod is in sliding connection with the support tube, and the support tube is communicated with the discharge end of the return tube. When the technical scheme is adopted, the impurity content in the discharged molten liquid can be reduced.

Description

Automatic liquid level control device

Technical Field

The invention relates to the field of liquid level control, in particular to an automatic liquid level control device.

Background

In the in-process of glass bottle production, need earlier mix the melting into with glass bits of broken slag and fluxing agent, the in-process of melting can produce impurity, then shift the melting into the glass kiln stove, the flame of the lighter spun that glass kiln stove one side slope set up shines to the liquid level after to keep warm to the melting is favorable to the impurity to subside by the melting after the flame shines, and the melting that flows from glass kiln discharge gate department is used for the glass bottle to blow.

The in-process that the liquation flows from the glass kiln stove, the liquid level moves down gradually, and the lighter is different at the ignition point that falls of liquid level, and the lighter shines the ignition point that falls to on the liquid level and is close to glass kiln discharge gate department gradually promptly, and the time that impurity subsides just is insufficient like this, and the liquation quality of coming out of the stove is not high enough, influences the finished product quality of glass bottle.

Disclosure of Invention

The invention aims to provide a liquid level automatic control device capable of reducing the content of impurities in discharged molten liquid.

In order to achieve the aim, the technical scheme of the invention provides an automatic liquid level control device which comprises a rack, a ball screw pair and a hollow plate; the side wall of the glass kiln is spirally provided with a return pipe, the return pipe comprises a feeding end and a discharging end, the hollow plate divides the glass kiln into an upper chamber and a lower chamber, the side wall of the lower chamber is provided with a material leakage port, the feeding end of the return pipe is positioned in the lower chamber, and the discharging end of the return pipe is positioned in the upper chamber; the ball screw pair comprises a screw and a nut seat, the screw is rotatably arranged on the rack, one end of the screw is fixedly provided with a rotary pushing assembly, and the rotary pushing assembly is positioned in the lower cavity; the automatic fire extinguisher is characterized in that a support tube capable of being in contact with the fire maker is fixed on the nut seat, a guide rod in sliding connection with the nut seat is fixed on the rack, the guide rod is in sliding connection with the support tube, and the support tube is communicated with the discharge end of the return tube.

The technical effect of the scheme is as follows: 1. the in-process that the liquation flowed out from glass kiln, screw rod forward rotation drives nut seat and stay tube rebound, stay tube rebound and promotion sparker rotate, adjust sparker the ignition point that falls on the liquid level, ensure the in-process that moves down gradually at the liquid level, sparker shines the ignition point that falls on the liquid level and is located same vertical line basically, the distance that sparker fell between ignition point and glass kiln discharge gate department at the liquid level keeps unchangeable promptly, thereby ensure that the impurity in the glass liquation fully subsides, ensure the quality of the liquation of coming out of the stove.

2. In the process that the molten liquid in the upper cavity falls to the lower cavity through the hollow plate, the screw rod rotating in the forward direction drives the rotary pushing assembly to rotate, so that the molten liquid is pushed to flow back into the upper cavity through the return pipe, and the negative pressure generated in the support pipe is beneficial to the flow of the molten liquid in the return pipe; in the process that the melt flows back to the upper chamber gradually, after flame generated by the igniter irradiates to the liquid level, impurities in the glass melt gradually settle until most of the melt flows back to the upper chamber, the impurity content in the melt in the lower chamber and the return pipe is higher, the melt in the upper chamber also flows out completely at the moment, after the material leakage port is opened, the screw rod rotates reversely, the support pipe moves downwards, the flowing gas generated in the support pipe is beneficial to the melt in the return pipe to flow back to the lower chamber, and therefore the melt with higher impurity content is removed from the material leakage port.

Furthermore, the discharge end of the return pipe is inclined downwards, and the supporting pipe is communicated with the inclined part of the discharge end. The technical effect of the scheme is as follows: when the negative pressure generated in the supporting pipe is ensured to adsorb the molten liquid in the return pipe, the molten liquid can not enter the supporting pipe.

Furthermore, the upper end of stay tube is equipped with the supporting shoe, be equipped with the arc wall that can contact with the lighter on the supporting shoe. The technical effect of the scheme is as follows: the supporting pipe is ensured to smoothly push the fire maker to rotate when moving upwards, and the distance between the fire maker at the fire falling point of the liquid level and the discharge port of the glass kiln is ensured to be unchanged.

Furthermore, a collecting basin is arranged at the material leakage opening. The technical effect of the scheme is as follows: the molten liquid with higher impurity content discharged from the material leakage opening can be conveniently collected.

Further, the return pipe is a copper pipe. The technical effect of the scheme is as follows: the copper has high heat conductivity coefficient, and is beneficial to the heat preservation of the glass kiln.

Furthermore, a rubber sleeve is sleeved on the guide rod. The technical effect of the scheme is as follows: the sealing performance between the guide rod and the inner pipe wall of the support pipe is improved.

Drawings

FIG. 1 is a front cross-sectional view of an embodiment of the present invention;

FIG. 2 is a front half-sectional view of the embodiment of the present invention after the rotation of the lighter;

fig. 3 is a top view of the spin-on assembly of fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a hollow plate 1, a glass kiln 2, a return pipe 3, a feeding end 4, a discharging end 5, an upper chamber 6, a lower chamber 7, a lighter 8, a discharging port 9, a material leaking port 10, a servo motor 11, a screw 12, a nut seat 13, a supporting rod 14, a rotary pushing block 15, a collecting basin 16, a supporting pipe 17, a supporting block 18, a metal hose 19 and a guide rod 20.

The examples are substantially as shown in figures 1 to 3: as shown in fig. 1, the automatic liquid level control device comprises a ball screw pair and a hollow plate 1, wherein a plurality of hollow holes are formed in the hollow plate 1, a glass kiln 2 is installed on the indoor two-layer ground, a return pipe 3 is spirally fixed on the inner side wall of the glass kiln 2 through a pin, the return pipe 3 is a copper pipe in the embodiment, the return pipe 3 comprises a feeding end 4 and a discharging end 5, and the discharging end 5 of the return pipe 3 is downward inclined.

The hollow plate 1 divides the glass kiln 2 into an upper chamber 6 and a lower chamber 7, the feeding end 4 of the return pipe 3 is positioned in the lower chamber 7, and the discharging end 5 of the return pipe 3 is positioned in the upper chamber 6. An irradiation hole is formed in the upper left corner of the upper chamber 6, a lighter 8 is obliquely arranged on the rack on the left side of the irradiation hole, the middle of the lighter 8 is hinged with the rack through a pin shaft, a feeding hole is formed in the top of the upper chamber 6, and a discharging hole 9 is formed in the lower right corner of the upper chamber 6; the side wall of the lower chamber 7 is provided with a material leakage opening 10, a sealing plug is arranged at the material leakage opening 10, and a collection basin 16 is arranged at the material leakage opening 10.

The ball screw pair comprises a servo motor 11, a screw rod 12 and a nut seat 13, the servo motor 11 is installed on the indoor floor through bolts, the lower end of the screw rod 12 is coaxially welded with an output shaft of the servo motor 11, and a rotary pushing assembly is fixed at the upper end of the screw rod 12 after penetrating through the second floor and the bottom of the glass kiln 2; as shown in fig. 3, the rotary push assembly comprises a support rod 14 and eight rotary push blocks 15 welded to the support rod 14; as shown in figure 1, the upper end of the screw 12 is welded with a support rod 14, and the support rod 14 is connected with the bottom of the glass kiln 2 in a sealing and rotating way.

A support tube 17 is welded at the left end of the nut seat 13, a support block 18 is welded at the upper end of the support tube 17, an arc-shaped groove is formed in the support block 18, and the igniter 8 is in contact with the arc-shaped groove; the upper end of the supporting tube 17 is also connected with a metal hose 19, and the right end of the metal hose 19 penetrates through the irradiation hole and then is communicated with the downward inclined part of the discharge end 5. A guide rod 20 is fixed on the frame through a bolt, the guide rod 20 penetrates through the nut seat 13 and then is connected with the support pipe 17 in a sliding manner, the guide rod 20 is also connected with the nut seat 13 in a sliding manner, and a rubber sleeve (not shown in the figure) is sleeved on the guide rod 20.

The specific implementation process is as follows:

as shown in fig. 1, after the glass melt flows into the glass furnace 2, the ignition point of the igniter 8 on the liquid surface is point a, and the flame generated by the igniter 8 keeps the temperature of the glass melt. In the process that the glass melt flows out of the discharge port 9 of the glass kiln 2, the servo motor 11 is manually started, the screw 12 is driven to rotate forwards in the process that the output shaft of the servo motor 11 rotates forwards, so that the nut seat 13 and the support pipe 17 are driven to move upwards, the support pipe 17 moves upwards and pushes the igniter 8 to rotate clockwise to the position shown in fig. 2 through the support block 18, the ignition point of the igniter 8 on the liquid level is the point B, and the point A in fig. 1 and the point B in fig. 2 are basically located on the same vertical line due to the fact that the liquid level moves downwards gradually, namely the distance between the ignition point of the igniter 8 on the liquid level and the discharge port 9 of the glass kiln 2 is basically kept unchanged.

In the process of liquid level descending as shown in fig. 1, that is, in the process of the molten glass in the upper chamber 6 falling to the lower chamber 7 through the hollow plate 1, the screw 12 rotating in the forward direction drives the support rod 14 and the rotary push block 15 to rotate in the forward direction, so as to push the molten glass in the lower chamber 7 to flow back to the upper chamber 6 through the return pipe 3; furthermore, when the support pipe 17 is moved upward, the support pipe 17 is moved upward relative to the guide rod 20, and the negative pressure generated in the support pipe 17 is advantageous for sucking up the molten glass in the return pipe 3.

In the process that the molten glass flows back gradually and drops to the upper chamber 6, after the flame generated by the igniter 8 irradiates to the liquid level, impurities in the molten glass gradually settle; until most of the molten glass flows back to the upper chamber 6 and is irradiated by flame, the generated impurities are settled in the lower chamber 7, the impurity content in the lower chamber 7 and the return pipe 3 is higher, after the plugging plug at the discharge opening 10 is opened, the servo motor 11 is manually adjusted to rotate reversely, so that the screw 12 and the rotary push block 15 are driven to rotate reversely, the nut seat 13 and the support pipe 17 move downwards, the support pipe 17 moves downwards relative to the guide rod 20, the air generated in the support pipe 17 flows into the return pipe 3 through the metal hose 19 and blows the molten glass with higher impurity content in the return pipe 3 into the lower chamber 7, and the molten glass with higher impurity content in the lower chamber 7 and the return pipe 3 is discharged into the collection basin 16 from the discharge opening 10.

Claims

1. Liquid level automatic control device, its characterized in that: comprises a frame, a ball screw pair and a hollow plate; the side wall of the glass kiln is spirally provided with a return pipe, the return pipe comprises a feeding end and a discharging end, the hollow plate divides the glass kiln into an upper chamber and a lower chamber, the side wall of the lower chamber is provided with a material leakage port, the feeding end of the return pipe is positioned in the lower chamber, and the discharging end of the return pipe is positioned in the upper chamber; the ball screw pair comprises a screw and a nut seat, the screw is rotatably arranged on the rack, one end of the screw is fixedly provided with a rotary pushing assembly, and the rotary pushing assembly is positioned in the lower cavity; the automatic fire extinguisher is characterized in that a support tube capable of being in contact with the fire maker is fixed on the nut seat, a guide rod in sliding connection with the nut seat is fixed on the rack, the guide rod is in sliding connection with the support tube, and the support tube is communicated with the discharge end of the return tube.

2. The automatic liquid level control device according to claim 1, wherein: the discharge end of the return pipe inclines downwards, and the supporting pipe is communicated with the downward inclination position of the discharge end.

3. The automatic liquid level control device according to claim 2, wherein: the upper end of stay tube is equipped with the supporting shoe, be equipped with the arc wall that can contact with the lighter on the supporting shoe.

4. The automatic liquid level control device according to claim 3, wherein: and a collecting basin is arranged at the material leakage opening.

5. The automatic liquid level control device according to claim 4, wherein: the return pipe is a copper pipe.

6. The automatic liquid level control device according to claim 5, wherein: the guide rod is sleeved with a rubber sleeve.