阅读说明：本技术 一种玻璃液粘度监测装置及方法 (Glass liquid viscosity monitoring device and method ) 是由 陈伟 汪路遥 刘强 罗宇 曹小宝 陈建 于 2021-05-24 设计创作，主要内容包括：本发明提供一种玻璃液粘度监测装置及方法,所述玻璃液粘度监测装置包括澄清池、搅拌器、电机、信号采集器和数据处理器。所述澄清池内承载玻璃液；所述搅拌器一端延伸至所述澄清池内；所述电机与所述搅拌器的另一端连接；所述信号采集器电性连接于所述电机；所述数据处理器电性连接于所述信号采集器。通过本发明提供一种玻璃液粘度监测装置及方法,能够实现玻璃液粘度实时监测。(The invention provides a molten glass viscosity monitoring device and a method. The clarifying tank is internally provided with a glass liquid; one end of the stirrer extends into the clarification tank; the motor is connected with the other end of the stirrer; the signal collector is electrically connected to the motor; the data processor is electrically connected to the signal collector. The device and the method for monitoring the viscosity of the molten glass can realize real-time monitoring of the viscosity of the molten glass.)

1. A molten glass viscosity monitoring device, comprising:

the clarifying pool is used for bearing glass liquid;

one end of the stirrer extends into the clarification tank;

the motor is connected with the stirrer;

the signal collector is electrically connected with the motor;

and the data processor is electrically connected with the signal collector.

2. The apparatus of claim 1, wherein the periphery of the clarifier is covered with at least one layer of insulation.

3. The molten glass viscosity monitoring device according to claim 1, wherein a first heat-insulating plate and a second heat-insulating plate are arranged at an opening of the clarification tank, the first heat-insulating plate covers the opening, and the second heat-insulating plate covers the first heat-insulating plate.

4. The device for monitoring the viscosity of molten glass according to claim 3, wherein the first heat-insulating plate and the second heat-insulating plate are provided with through holes, and a stirrer can enter the clarification tank through the through holes.

5. The apparatus of claim 1, wherein the motor drives the stirrer to rotate via a chain.

6. The apparatus according to claim 1, wherein a support is provided on one side of the clarifier, and the motor and the stirrer are fixedly connected to the support.

7. A molten glass viscosity monitoring device according to claim 6, wherein the stirrer comprises:

one end of the first connecting rod is fixed on the bracket;

one end of the second connecting rod is connected with the other end of the first connecting rod;

and the blade is connected with the other end of the second connecting rod.

8. The apparatus of claim 7, wherein the second connecting rod is made of platinum-rhodium alloy.

9. A method for monitoring viscosity of molten glass, characterized in that the apparatus for monitoring viscosity of molten glass according to any of claims 1 to 6 is used, and comprises at least:

collecting a first rotating speed of the motor when the stirrer is in no-load;

collecting a second rotating speed of the motor when the stirrer works;

and acquiring the viscosity of the glass liquid through the first rotating speed and the second rotating speed.

10. The method for monitoring the viscosity of the glass liquid according to claim 7, wherein the obtaining the viscosity of the glass liquid through the first rotating speed and the second rotating speed comprises:

performing difference output on the first rotating speed and the second rotating speed through a data converter to obtain a difference output signal;

and receiving the difference output signal through terminal equipment, and acquiring and displaying the viscosity of the molten glass.

Technical Field

The invention relates to the technical field of glass processing, in particular to a device and a method for monitoring viscosity of molten glass.

Background

In the production process of glass, only a temperature control system is used at present, but in the glass melting process, the high-temperature viscosity of the glass can be changed due to the change of the chemical composition of the glass, the atmosphere state of a tank furnace channel, the content of water, the temperature of each process and other factors. All these changes cannot be determined so far and therefore cannot be compensated and corrected, and the high temperature viscosity of the glass is one of the important physical properties of the glass, and has important practical significance for controlling production, improving yield and stabilizing quality. At present, most of domestic glass enterprises can not measure the viscosity of the glass liquid in time or mostly adopt an artificial detection method to measure the viscosity of the glass liquid, and when the high-temperature viscosity of the glass is measured manually on line, the sampling detection period is longer every time, so that the obtained viscosity value is seriously lagged behind the real-time actual viscosity, the final viscosity of the product can not be accurately controlled, and the quality of the glass product is influenced to a great extent. The manual method for measuring the high-temperature viscosity of the glass is time-consuming and labor-consuming, the calculation formula is complex and uncertain, the error is large, and the real-time monitoring of the quality control of the glass product cannot be restricted.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a device and a method for monitoring viscosity of molten glass, which are used to solve the problem in the prior art that the viscosity value is seriously delayed from the real-time actual viscosity due to manual detection of viscosity of molten glass during the glass production process, and the final viscosity of the product cannot be accurately and timely controlled, thereby affecting the quality of the glass product.

To achieve the above and other related objects, the present invention provides a molten glass viscosity monitoring apparatus, comprising:

the clarifying pool is used for bearing glass liquid;

one end of the stirrer extends into the clarification tank;

the motor is connected with the stirrer;

the signal collector is electrically connected with the motor;

and the data processor is electrically connected with the signal collector.

In one embodiment of the invention, the periphery of the clarification tank is wrapped with at least one layer of heat preservation.

In one embodiment of the invention, a first heat-preservation plate and a second heat-preservation plate are arranged at an opening of the clarification tank, the first heat-preservation plate covers the opening, and the second heat-preservation plate covers the first heat-preservation plate.

In one embodiment of the invention, the first heat-insulation plate and the second heat-insulation plate are provided with through holes, and a stirrer can penetrate through the through holes to enter the clarification tank.

In one embodiment of the invention, the motor drives the stirrer to rotate through a chain.

In one embodiment of the invention, a bracket is arranged on one side of the clarification tank, and the motor and the stirrer are fixedly connected with the bracket.

In one embodiment of the invention, the agitator comprises:

one end of the first connecting rod is fixed on the bracket;

one end of the second connecting rod is connected with the other end of the first connecting rod;

and the blade is connected with the other end of the second connecting rod.

In one embodiment of the invention, the material of the second connecting rod is platinum rhodium alloy.

In order to achieve the above object, the present invention further provides a molten glass viscosity monitoring method, which comprises the steps of:

collecting a first rotating speed of the motor when the stirrer is in no-load;

collecting a second rotating speed of the motor when the stirrer works;

and acquiring the viscosity of the glass liquid through the first rotating speed and the second rotating speed.

In an embodiment of the present invention, the obtaining the viscosity of the molten glass by the first rotating speed and the second rotating speed includes:

performing difference output on the first rotating speed and the second rotating speed through a data converter to obtain a difference output signal; (ii) a

And receiving the difference output signal through terminal equipment, and acquiring and displaying the viscosity of the molten glass.

As described above, the invention provides a device and a method for monitoring viscosity of molten glass, wherein a motor drives a stirrer to rotate and stir the molten glass in a clarification tank, a viscosity sensor is simulated, a signal collector is used for collecting a first rotating speed of the motor when the stirrer is in idle and collecting a second rotating speed of the motor when the stirrer works, the first rotating speed and the second rotating speed are transmitted to a data processor, and the viscosity change of the high-temperature molten glass is monitored in real time through data fitting calculation and display. The problem of among the prior art in the glass production process, because the viscosity of manual work detection glass liquid, cause viscosity value serious lag immediate actual viscosity, because of the final viscosity of the unable accurate timely control product, and influence glass product quality is solved. The invention has the advantages of high detection precision, good repeatability, effective improvement of the quality of glass products, simple operation, high automation degree, no influence on the use of the clarification tank, no need of technical transformation on the clarification tank and low cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic connection diagram of a molten glass viscosity monitoring device according to an embodiment of the present disclosure.

Fig. 2 is a schematic connection diagram of a molten glass viscosity monitoring device according to an embodiment of the present disclosure.

Fig. 3 is a flowchart of a method for monitoring viscosity of molten glass according to an embodiment of the present disclosure.

Fig. 4 is a flowchart illustrating a method for monitoring viscosity of molten glass according to an embodiment of the present disclosure.

Fig. 5 is a flowchart illustrating a method for monitoring viscosity of molten glass according to an embodiment of the present disclosure.

Fig. 6 is a flowchart illustrating a method for monitoring viscosity of molten glass according to an embodiment of the present disclosure.

Element number description

100-support 501-first heat preservation plate

101-first bracket 502-second insulation board

102-second support 534-insulating layer

200-motor 503-first heat preservation layer

201-motor drive shaft 504-second heat insulation layer

300-stirrer 600-signal collector

301-first connecting rod 790-data processor

302-second connecting rod 700-data converter

303-blade 900-terminal device

400-chain 800-signal wire

500-clarification tank

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

In the production process of glass, the high-temperature viscosity of the glass is an important index for measuring the clarification and homogenization degree of glass liquid and is also a basis for judging the shortage point of the glass. However, for technical reasons, the manual method for measuring the high-temperature viscosity of the glass is time-consuming and labor-consuming, the calculation formula is complex and uncertain, the error is large, the quality control of the glass product is restricted, the detection period is long, and the detected viscosity value is delayed from the real-time actual viscosity seriously. The invention aims to provide a glass liquid viscosity monitoring device, so that the defect that the viscosity of glass cannot be monitored in real time in the production process is overcome, and the device has important practical significance for controlling production, improving yield and stabilizing quality.

Referring to fig. 1 and 2, in one embodiment of the present invention, the apparatus for monitoring viscosity of molten glass includes a clarifier 500, a stirrer 300, a motor 200, a signal collector 600 and a data processor 790, wherein the data processor 790 includes a data converter 700 and a terminal device 900. Glass liquid is placed in the clarification tank 500, one end of the stirrer 300 is fixedly connected to the support 100, and the other end of the stirrer extends into the clarification tank 500 and is used for stirring the glass liquid. The motor 200 is connected to the agitator 300 to provide power to ensure that the agitator 300 rotates within the clarifier 500. The signal collector 600 is electrically connected to the motor 200 for collecting the rotation speed and the current of the motor 200, and the signal collector 600 is further electrically connected to the data converter 700 for transmitting the rotation speed and the current of the motor 200 to the data converter 700. The data converter 700 is connected to the signal collector 600, and calculates and outputs the rotation speed of the motor 200 while ensuring that the current value is not changed. The terminal device 900 is connected with the data converter 700, and performs fitting calculation on the output value of the data converter 700, so as to obtain the viscosity change of the molten glass, thereby realizing real-time monitoring of the viscosity of the molten glass.

Referring to fig. 1, in one embodiment of the present invention, an insulating layer 534 is wrapped around the clarifier 500. The insulation layer 534 is composed of a first insulation layer 503 and a second insulation layer 504. The first insulating layer 503 wraps the second insulating layer 504 and the clarifier 500. The first thermal insulation layer 503 is made of, for example, an alumina blanket, which has excellent high temperature stability, good strength and high modulus, and also has good chemical resistance and can resist ultra high temperature of 1600 ℃. The second insulation layer 504 is disposed between the first insulation layer 503 and the clarifier 500. The material used for the second insulating layer 504 has to satisfy the requirements of heat insulation, stable performance and high thermal stability, and can adapt to sealing in a high-temperature environment, such as refractory cotton, which is an ideal material for sealing, filling and heat insulation in a high-temperature environment. The insulating layer 534 has the function of heat preservation and insulation.

Referring to fig. 1, in an embodiment of the present invention, a first insulation board 501 and a second insulation board 502 are disposed at an opening of a clarification tank 500, the first insulation board 501 covers the opening, and the second insulation board 502 covers the first insulation board 501. And the first heat-insulating plate 501 and the second heat-insulating plate 502 are both provided with through holes, so that the stirrer 300 can penetrate through the through holes and enter the clarifying tank to stir the glass liquid. First heated board 501 and second heated board 502 further keep warm to the glass liquid temperature, avoid the heat dissipation too fast, have also prevented that the foreign matter from falling into in the glass liquid.

Referring to fig. 1, in one embodiment of the present invention, a rack 100 is disposed beside a clarification tank 500, and the rack 100 is disposed in a shape of a Chinese character 'ji'. The first stand 101 is vertically fixed on the ground beside the clarification tank 500 to provide a supporting force for the stand 100. The second frame 101 is connected to the first frame 101 in a horizontal direction along the vertical direction of the first frame 101, and extends to the upper side of the clarification tank 500.

Referring to fig. 1, in one embodiment of the present invention, the stirrer 300 includes a first connecting rod 301, a second connecting rod 302 and a blade 303. One end of the first connecting rod 301 is fixed on the second bracket 102 through a bearing, and the other end is connected with the second connecting rod 302. The first connecting rod 301 and the second connecting rod 302 are connected through flanges, so that the first connecting rod 301 or the second connecting rod 302 can be conveniently replaced when needing maintenance, and the stability is good. Because the first connecting rods 301 are not directly contacted with the molten glass with high temperature, all practical materials of the first connecting rods 301 are solid stainless steel, and the second connecting rods 302 are contacted with the molten glass, so that the practical materials of the second connecting rods 302 are platinum-rhodium alloy, the platinum-rhodium alloy has high thermal melting point, and the use cost of the stirrer 300 is reduced. One end of the second connecting rod 302 is connected with the first connecting rod 301, and the other end is fixedly connected with the blade 303. The shape of blade 303 is the slice, and agitator 300 is for the more accurate viscosity of indirect measurement glass liquid, and the resistance of response glass liquid to agitator 300 makes the quantity of blade 303 only 1, and blade 303 middle part indent. One end of the stirrer 300 is fixed on the second bracket 102, and the other end of the stirrer penetrates through the first heat-insulating plate 501 and the second heat-insulating plate 502 to extend into the clarification tank 500, so as to stir the glass liquid.

Referring to fig. 1, in an embodiment of the present invention, the motor 200 is fixed on the second bracket 102 and keeps a certain distance from the first connecting rod 302 fixed on the second bracket 102. A chain 400 is provided on the motor drive shaft 201. One end of the chain 400 is connected with the motor driving shaft 201, and the other end is arranged at the flange connection part of the first connecting rod 301 and the second connecting rod 302. When the motor driving shaft 201 rotates, the chain 400 is driven to rotate, and the stirrer 300 is driven by the chain to stir the molten glass in the settling pond 500. To ensure the accuracy of the subsequent calculation of the viscosity of the molten glass, the motor 200 is a constant speed dc motor.

Referring to fig. 2, in an embodiment of the present invention, the signal collector 600 is connected to the motor 200 for collecting the current input to the motor 200 and the rotation speed of the motor 200, and is connected to the data converter 700 for transmitting the current input to the motor 200 and the rotation speed of the motor 200 to the data converter 700. Under the condition that the current input into the motor 200 is kept unchanged, the signal collector 600 respectively collects the rotation speeds of the motor 200 twice under the no-load state and the load state of the motor 200. The signal collector 600 firstly collects the rotating speed of the motor 200 as a first rotating speed when the motor 200 is in an idle state, and transmits the first rotating speed collected by the signal collector 600 in the idle state of the motor 200 to the data converter 700. Since the motor 200 is a dc motor with a constant speed in the no-load state, and the current input to the motor 200 is kept constant, the current collected by the signal collector 600 in the no-load state and the first rotation speed can be used as a fixed parameter to be set in the data converter 700 to prepare for the subsequent calculation of the viscosity of the molten glass. Next, the signal collector 600 collects the rotation speed of the motor 200 as a second rotation speed when the motor 200 is in a loaded state, and transmits the second rotation speed to the data converter 700. When the motor 200 is in a loaded state, the motor driving shaft 201 rotates, and the stirrer 300 is driven by the chain 400 to stir the molten glass in the clarifier 500. In another embodiment of the present invention, the motor driving shaft 201 is directly connected to the stirrer 300 to rotate the stirrer 300. At this time, the rotation speed of the motor drive shaft 201 indirectly reflects the viscosity of the molten glass. Finally, when the motor driving shaft 201 is in operation, the signal collector 600 collects the second rotation speed of the motor 200 and transmits the second rotation speed to the data converter 700. The signal collector 600 is a hall sensor.

Referring to fig. 2, in an embodiment of the present invention, the data converter 700 is electrically connected to the signal collector 600, and transmits the first rotation speed and the second rotation speed of the motor 200 collected by the signal collector 600 to the data converter 700, and outputs a difference between the first rotation speed and the second rotation speed of the motor 200 under the condition that the input current of the motor 200 is not changed. The data converter 700 is connected to the terminal device 900 via a signal line, and the data converter 700 transmits the processed speed difference of the motor 200 to the terminal device 900.

Referring to fig. 2, in an embodiment of the present invention, the terminal device 900 is connected to the data converter 700, receives the rotation speed difference of the motor 200, obtains the viscosity of the molten glass through fitting calculation, and displays the viscosity in real time. It is a prerequisite of the present invention that the glass chemical composition is fixed and that the glass chemical composition parameters are known. The terminal device 900 may be a computer, for example.

The invention provides a method for monitoring viscosity of molten glass, and please refer to fig. 3, which is a flow chart of the method for monitoring viscosity of molten glass provided by the embodiment. The method for monitoring the viscosity of the molten glass comprises the following steps:

s1, acquiring the first rotation speed of the motor 200 when the stirrer 300 is unloaded.

And S2, acquiring a second rotating speed of the motor 200 when the stirrer 300 works.

And S3, acquiring the viscosity of the glass liquid through the first rotating speed and the second rotating speed.

In step S1, the first rotation speed of the motor 200 is a rotation speed at which the chain 400 is driven to rotate when the motor driving shaft 201 rotates, the stirrer 300 is driven by the chain 400, and the signal collector 600 collects the first rotation speed and the first current of the motor 200 and sets the first rotation speed and the first current in the data converter 700 when the motor driving shaft rotates in the clarifier 500 without molten glass. In step S2, the second rotation speed of the motor 200 is a rotation speed when the motor driving shaft 201 rotates to drive the chain 400 to rotate, the stirrer 300 rotates to stir the molten glass through the transmission of the chain 400, and the signal collector 600 collects the second rotation speed and the second current of the motor 200. In step S3, the first rotation speed and the second rotation speed acquired by the signal acquisition unit 600 are transmitted to the data converter 700, the first current and the second current are equal, the rotation speed of the motor is output as a difference value through the data converter 700, the terminal device 900 receives the output data of the data converter 700, and the terminal device 900 performs fitting to obtain and display the viscosity of the molten glass.

Referring to fig. 4, in one embodiment of the present invention, the first rotation speed of the motor 200 when the collecting agitator 300 is unloaded at S1 includes:

and S11, emptying the clarification tank.

S12, the motor 200 is switched on by the first current, and the motor driving shaft 201 rotates.

And S13, acquiring the rotating speed of the motor driving shaft 201 through the signal acquisition unit 600.

In step S13, the rotation speed of the motor drive shaft 201 is the first rotation speed. In the process, the signal collector 600 collects the current of the motor 200 in real time, so that the stability of the input current of the motor 200 is ensured.

Referring to fig. 5, in one embodiment of the present invention, the second rotation speed of the motor 200 during the operation of the collecting agitator 300 at S2 includes:

s21, the motor 200 is switched on by the second current, and the motor driving shaft 201 rotates.

In step S22, the second current is the same as the first current. And after the motor driving shaft 201 is connected with the second current, the motor driving shaft 201 rotates, and the stirrer 300 is driven by the chain 400 to rotate and stir the molten glass.

And S22, acquiring the rotating speed of the motor driving shaft 201 through the signal acquisition unit 600.

In step S22, the rotation speed of the motor driving shaft 201 is the second rotation speed, and in the process, the signal collector 600 collects the current of the motor 200 in real time to ensure the input current of the motor 200 to be stable.

Referring to fig. 6, in an embodiment of the present invention, the obtaining the viscosity of the molten glass through the first rotation speed and the second rotation speed at S3 includes:

s31, the data converter 700 converts the signal.

In step S31, the data converter 700 outputs the difference between the first rotational speed and the second rotational speed of the motor 200 while keeping the first current equal to the second current.

S32, the terminal device 900 performs data fitting to obtain the viscosity of the molten glass.

In step S32, first, the glass chemistry is fixed and known. The terminal device 900 receives the output data of the data converter 700, performs fitting calculation through the data converter 700, and obtains and displays the viscosity of the molten glass.

As described above, the present invention provides a device and a method for monitoring viscosity of molten glass, wherein a motor 200 drives a stirrer 300 to rotate in a clarifier 500 through a chain 400 to stir molten glass, a viscosity sensor is simulated, a signal collector 600 collects a first rotation speed and a first current of the motor 200 when the stirrer 300 is idle and collects a second rotation speed and a second current of the motor 200 when the stirrer 300 is working, the first rotation speed and the second rotation speed are transmitted to a data processor 790 under the condition that the first current and the second current are equal, and real-time monitoring of viscosity change of high-temperature molten glass is realized through data fitting calculation and display. The problem of among the prior art in the glass production process, because the viscosity of manual work detection glass liquid, cause viscosity value serious lag immediate actual viscosity, because of the final viscosity of the unable accurate timely control product, and influence glass product quality is solved. The invention has the advantages of high detection precision, good repeatability, effective improvement of the quality of glass products, simple operation, high automation degree, no influence on the use of the clarification tank, no need of technical transformation on the clarification tank and low cost. The invention effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.