CN218180178U

CN218180178U - Pressure measuring device for support plate glass tank furnace

Info

Publication number: CN218180178U
Application number: CN202222799029.3U
Authority: CN
Inventors: 高树辉; 刘浩然; 张云晓; 杨硕; 邓彬
Original assignee: Qingdao Fusion Photoelectric Technology Co Ltd
Current assignee: Qingdao Fusion Photoelectric Technology Co Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2022-12-30
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a support plate glass tank furnace pressure measurement device, it belongs to the pressure measurement field, and it has solved the not accurate enough problem of measured pressure data among the prior art. It mainly comprises a furnace wall and is characterized in that: the furnace wall is provided with a pressure tapping brick, the pressure tapping brick is connected with one end of a pressure tapping pipe, the pressure tapping pipe is provided with a switch valve, the other end of the pressure tapping pipe is connected with a cooling pipe, the cooling pipe is connected with the low-pressure end of the pressure difference transmitter, and the cooling pipe is provided with a condensate water collector; the high pressure end on the pressure difference transmitter is connected with a contrast pipe, and the contrast pipe is connected with a constant pressure container. The utility model adopts the pressure tapping pipe to lead out the pressure in the furnace, thereby avoiding the injury of high temperature in the furnace to workers; the pressure difference transmitter is connected with the condensate water collector through the cooling pipe, the high-pressure end of the pressure difference transmitter is connected with the constant pressure container through the comparison pipe, the pressure difference between the pressure in the furnace and the constant pressure container can be accurately measured, and the obtained data are more accurate.

Description

Pressure measuring device for support plate glass tank furnace

Technical Field

The utility model relates to a pressure measurement field, specifically speaking especially relates to a support plate glass tank furnace pressure measurement device.

Background

In the production and manufacture of carrier plate glass, after the glass is melted, the pressure in a furnace is measured according to the requirements of the production process. In the prior art, the pressure in the furnace is mostly measured by adopting a manual mode, and workers send a pressure measuring device into the furnace through a pressure measuring port of the glass tank furnace to measure the pressure; the mode brings great troubles and uncertainty factors to workers, manual measurement cannot ensure that the reference of each time is the same, the influence of human factors is large, comparability is absent, errors are large, the real change condition of the pressure in the support plate glass tank furnace cannot be determined, and the requirements of modern process production cannot be met; the pressure measuring device cannot be arranged in the furnace for a long time due to the high temperature in the furnace; at present, a pressure measuring device which is safe in operation, simple in structure and more accurate in measured data is lacked.

Disclosure of Invention

An object of the utility model is to provide a support plate glass tank furnace pressure measurement device, this device is more safe, has solved the not accurate enough problem of measured pressure data among the prior art.

The utility model discloses a realize through following technical scheme:

a pressure measuring device for a carrier plate glass tank furnace comprises a furnace wall, wherein a pressure taking brick is arranged on the furnace wall and is connected with one end of a pressure taking pipe, a switch valve is arranged on the pressure taking pipe, the other end of the pressure taking pipe is connected with a cooling pipe, the cooling pipe is upwards connected with the low-pressure end of a pressure difference transmitter, and a condensate water collector is arranged below the cooling pipe; the high pressure end on the pressure difference transmitter is connected with a contrast pipe, the contrast pipe is connected with a constant pressure container, and the constant pressure container is set to be required pressure.

Furthermore, a circular through hole is formed in the pressure taking brick, a conducting pipe is arranged in the circular through hole, and the pressure taking pipe is in interference fit with the conducting pipe.

Furthermore, the connecting ends of the pressure tapping pipe and the cooling pipe are provided with internal threads, external threads are arranged at two ends of the movable joint, and the pressure tapping pipe, the movable joint and the cooling pipe are connected together through the matching of the internal threads and the external threads.

Furthermore, the pressure tapping pipe is made of stainless steel; the cooling pipe is made of carbon steel.

Furthermore, the position of the pressure-taking brick is higher than the liquid level of the glass liquid.

Further, the comdenstion water collector on be equipped with stop valve I and stop valve II, stop valve I and II cooperations of stop valve accomplish the emission to the comdenstion water.

Furthermore, the pressure difference transmitter is also connected with a distributor, the distributor is also connected with a digital-to-analog conversion module, and the digital-to-analog conversion module is connected with the touch screen.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model adopts the pressure tapping pipe to lead out the pressure in the furnace, thereby avoiding the injury of high temperature in the furnace to workers; the utility model discloses be connected with the pressure differential changer behind cooling tube and comdenstion water collector, the high-pressure end of pressure differential changer is through comparing union coupling constant voltage container, pressure difference between pressure in the measurement stove that can be accurate and the constant voltage container, gained data are more accurate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the connection of a pressure tapping tube;

in the figure: 1. glass liquid; 2. an on-off valve; 3. a pressure sampling pipe; 4. a cooling tube; 5. a differential pressure transmitter; 6. a high-voltage end; 7. a low-voltage end; 8. a stop valve I; 9. a condensed water collector; 10. a stop valve II; 11. a constant pressure vessel; 12. a comparison tube; 13. taking a pressing brick; 14. a conductive pipe.

Detailed Description

The invention will be further described and illustrated with reference to the accompanying drawings.

Embodiment 1, as shown in fig. 1, a pressure measuring device for a carrier plate glass tank furnace comprises a furnace wall, wherein a pressure taking brick 13 is arranged on the furnace wall, and a circular through hole is formed in the middle of the pressure taking brick 13; the pressure tapping brick 13 and the pressure tapping pipe 3 are connected through a circular through hole in an interference fit mode, a switch valve 2 is arranged on the pressure tapping pipe 3, the other end of the pressure tapping pipe 3 is connected with a cooling pipe 4, the cooling pipe 4 faces a low-pressure end 7 of the pressure difference transmitter 5, a condensate water collector 9 is arranged below the cooling pipe 4, the condensate water collector 9 is used for preventing condensate water from entering the pressure difference transmitter 5 and causing damage and measurement errors of the pressure difference transmitter 5, the stop valve I8 is opened and the stop valve II 10 is closed during normal use, the stop valve I8 is closed at present in the drainage process, and the stop valve II 10 is opened so as to avoid influence on furnace pressure detection; the high-pressure end 6 on the differential pressure transmitter 5 is connected with a comparison pipe 12, the comparison pipe 12 is connected with a constant pressure container 11, and the pressure in the constant pressure container 11 can be changed according to requirements.

In embodiment 2, in the pressure measuring device for the carrier plate glass tank furnace, a circular through hole is formed in the pressure tapping brick 13, a conducting pipe 14 is arranged in the circular through hole, and the pressure tapping pipe 3 is in interference fit with the conducting pipe 14, so that inaccurate measurement caused by damage to the pressure tapping brick 13 is avoided; the connecting ends of the pressure sampling pipe 3 and the cooling pipe 4 are both provided with internal threads, the two ends of the movable joint are provided with external threads, the pressure sampling pipe 3, the movable joint and the cooling pipe 4 are connected together through the matching of the internal threads and the external threads, and the screw thread connection is firmer; the pressure sampling pipe 3 is made of stainless steel; the material of the cooling pipe 4 is carbon steel; the position of the pressure tapping brick 13 is higher than the liquid level of the molten glass 1, so that the molten glass 1 is prevented from entering the pressure tapping pipe 3; the condensed water collector 9 is provided with a stop valve I8 and a stop valve II 10, and the stop valve I8 is matched with the stop valve II 10 to finish the discharge of condensed water; the pressure difference transmitter 5 is also connected with a distributor, the distributor provides 24V power for the pressure difference transmitter 5, the distributor is also connected with a digital-to-analog conversion module, the digital-to-analog conversion module is connected with a touch screen, and the digital-to-analog conversion module is an ADAM4017-1 type digital-to-analog converter; the rest is the same as in example 1.

The utility model discloses a working process: when the pressure in the furnace needs to be measured, the switch valve 2 is opened, so that gas in the furnace enters the pressure sampling pipe 3, condensed water is generated after the gas passes through the cooling pipe 4, the condensed water flows downwards into the condensed water collector 9, the condensed water is prevented from entering the differential pressure transmitter 5 to cause damage to the differential pressure transmitter 5 and measurement errors, and the stop valve I8 is opened at the moment and the stop valve II 10 is closed; the pressure difference transmitter 5 acquires pressure information in the furnace through the pressure acquiring bricks 13, the pressure acquiring pipes 3 and the cooling pipes 4, acquires comparison information through the comparison pipe 12 and the constant pressure container 11, acquires a pressure difference value after digital-to-analog conversion, transmits the pressure difference value to the touch screen, and displays the pressure in the furnace in real time; can close ooff valve 2 after accomplishing the pressure measurement, close stop valve I8, open stop valve II 10, drain, be convenient for next time measure.

Claims

1. The utility model provides a support plate glass tank furnace pressure measurement device, includes the oven, its characterized in that: the furnace wall is provided with a pressure tapping brick (13), the pressure tapping brick (13) is connected with one end of a pressure tapping pipe (3), the pressure tapping pipe (3) is provided with a switch valve (2), the other end of the pressure tapping pipe (3) is connected with a cooling pipe (4), the cooling pipe (4) is connected with a low-pressure end (7) of a differential pressure transmitter (5), and the cooling pipe (4) is provided with a condensate water collector (9); the high-pressure end (6) on the differential pressure transmitter (5) is connected with a comparison pipe (12), and the comparison pipe (12) is connected with a constant pressure container (11).

2. The apparatus of claim 1, wherein: the pressure tapping brick (13) is provided with a circular through hole, a conduction pipe (14) is arranged in the circular through hole, and the pressure tapping pipe (3) is in interference fit with the conduction pipe (14).

3. The apparatus of claim 1, wherein: the pressure sampling pipe (3) is connected with the cooling pipe (4) in a threaded manner.

4. The apparatus of claim 3, wherein: the pressure sampling pipe (3) is made of stainless steel; the cooling pipe (4) is made of carbon steel.

5. The apparatus of claim 1, wherein: the position of the pressure tapping brick (13) is higher than the liquid level height of the glass liquid (1).

6. The apparatus of claim 1, wherein: and a stop valve I (8) and a stop valve II (10) are arranged on the condensed water collector (9).

7. The apparatus of claim 1, wherein: the pressure difference transmitter (5) is also connected with the power distributor, the power distributor is also connected with the digital-to-analog conversion module, and the digital-to-analog conversion module is connected with the touch screen.