CN215726220U - Liquid level measuring device and glass kiln - Google Patents

Abstract

The utility model relates to a liquid level measurement device and glass kiln, this liquid level measurement device includes: a mounting seat; the lifting piece is connected with the mounting seat and can move along the vertical direction; the measuring assembly is provided with a contact end used for being in contact with the liquid level, and one end, far away from the mounting seat, of the lifting piece is connected with the measuring assembly; a read subassembly for reading liquid level data, read the subassembly and include pointer and graduated scale, the one end of pointer with measuring component connects, and the other end is directional the graduated scale, the graduated scale is vertical to be connected on the lateral wall of mount pad. The liquid level measuring device solves the problem of liquid level fluctuation caused by the fact that the height of the liquid level of the glass cannot be monitored, and further solves the production problem of influencing the product quality.

Description

Liquid level measuring device and glass kiln

Technical Field

The disclosure relates to the technical field of glass manufacturing, in particular to a liquid level measuring device and a glass kiln.

Background

In the float glass production, the stability of the glass liquid level in the melting furnace has a crucial influence on the production, if the liquid level fluctuates, on one hand, the corrosion of the tank wall is accelerated, stones are generated, and the bubble defect is easily formed; on the other hand, the stability of the forming operation is affected, and the quality and the yield of the product are affected.

SUMMERY OF THE UTILITY MODEL

The purpose of the disclosure is to provide a liquid level measuring device and a glass kiln, which solve the problem of liquid level fluctuation caused by the fact that the height of the liquid level of glass cannot be monitored, and further solve the production problem of influencing the product quality.

In order to achieve the above object, one aspect of the present disclosure provides a liquid level measuring device including:

a mounting seat;

the lifting piece is connected with the mounting seat and can move along the vertical direction;

the measuring assembly is provided with a contact end used for being in contact with the liquid level, and one end, far away from the mounting seat, of the lifting piece is connected with the measuring assembly;

a read subassembly for reading liquid level data, read the subassembly and include pointer and graduated scale, the one end of pointer with measuring component connects, and the other end is directional the graduated scale, the graduated scale is vertical to be connected on the lateral wall of mount pad.

Optionally, the measuring assembly comprises a measuring rod and a graphite block, the graphite block is detachably connected with the measuring rod, the contact end is arranged at one end, far away from the measuring rod, of the graphite block, and the end, far away from the mounting base, of the lifting piece is detachably connected with the measuring rod.

Optionally, the measuring rod includes a horizontal section and a vertical section, one end of the lifting member, which is far away from the mounting seat, is detachably connected to the horizontal section, and the graphite block is detachably connected to the vertical section.

Optionally, an accommodating groove with an open end is formed in the vertical section, one end of the graphite block close to the vertical section slides into the accommodating groove, a fastening bolt used for locking the graphite block is connected to the side wall of the vertical section in a threaded manner, and the fastening bolt is used for abutting the graphite block against the groove wall of the accommodating groove.

Optionally, one end of the lifting piece, which is far away from the mounting seat, is provided with a connecting seat, the liquid level measuring device further comprises a pressing plate located above the connecting seat, the pressing plate is provided with a fixing bolt used for being in threaded fit with the connecting seat, and the measuring rod is clamped between the pressing plate and the connecting seat.

Optionally, a limiting member is disposed on the measuring rod, and the limiting member cooperates with the pressing plate to limit the position of the measuring rod.

Optionally, the lifting piece is a screw rod, one end of the screw rod is in threaded connection with the mounting seat, and the other end of the screw rod is detachably connected with the measuring assembly.

Optionally, the mounting seat comprises a mounting seat body and an adjusting knob, the adjusting knob is rotatably mounted on the mounting seat body, one end of the screw rod penetrates through the adjusting knob and extends into the mounting seat body, and a screw rod and an adjusting knob form a screw nut pair.

Optionally, the scale has a scale value of-50 to 50 mm.

In order to achieve the above object, another aspect of the present disclosure provides a glass furnace, which includes a furnace body for containing molten glass and a liquid level measuring device as described above, wherein the mounting seat of the liquid level measuring device is mounted on the furnace body.

In the technical scheme, the lifting piece is adopted to drive the measuring assembly to move up and down, the glass liquid level is detected, the detection is very convenient, the problem of liquid level fluctuation caused by the fact that the glass liquid level cannot be monitored is solved, and the production problem influencing the product quality is further solved. The liquid level measuring device can also be applied to checking the measured glass liquid level, thereby ensuring the stability of the liquid level and effectively improving the product quality.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic structural view of a liquid level measuring device according to an embodiment of the present disclosure;

fig. 2 is a state diagram of the use of the liquid level measuring device according to an embodiment of the present disclosure.

Description of the reference numerals

1. A furnace tank wall; 2. graphite blocks; 3. fastening a bolt; 4. the glass liquid level; 5. a measuring rod; 51. a horizontal segment; 52. a vertical section; 6. a lifting member; 7. adjusting a knob; 8. a pointer; 9. a graduated scale; 10. a limiting member; 11. fixing the bolt; 12. a mounting seat; 13. a connecting seat; 14. and (7) pressing a plate.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, terms such as "upper, lower, front and rear" are generally defined as directions of the drawing planes of the drawings, and "inner and outer" refer to inner and outer of the relevant parts, unless otherwise specified. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present disclosure, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

As shown in fig. 1, one aspect of the present disclosure provides a liquid level measuring device, including: a mounting 12, a lifting member 6, a measuring assembly and a reading assembly for reading liquid level data.

The lifter 6 is connected to the mount 12 and is movable in a vertical direction. The measuring assembly has a contact end for contacting the liquid surface, and the end of the lifting member 6 remote from the mounting 12 is connected to the measuring assembly. The reading assembly comprises a pointer 8 and a graduated scale 9, one end of the pointer 8 is connected with the measuring assembly, the other end of the pointer points to the graduated scale 9, and the graduated scale 9 is vertically connected to the side wall of the mounting base 12.

Wherein the mounting seat 12 is used for being mounted on the outer side wall of a container for loading glass liquid, thereby fixing the device. It should be noted that the mounting seat 12 can be detachably mounted on the outer side wall of the container by means of bolting or fixedly welding, and can be selected according to actual needs. Preferably, in the present embodiment, the mounting seat 12 is connected with the outer side wall of the container by means of bolts. In the present embodiment, the container for holding molten glass is a melting furnace, but may be other containers, and is selected according to actual production needs.

It should be noted that the mounting position of the mounting base 12 is close to the glass liquid level 4, so that the height of the liquid level can be read only by adjusting the lifting member 6 within a small range. Optionally, in this embodiment, the mounting seat 12 is installed at the ear pool portion of the furnace, so as to facilitate observation of the position of the measurement assembly and the glass liquid level 4 during measurement.

Wherein one end of the measuring component with a contact end is used for extending into a container for loading glass liquid, the contact end is used for conveniently contacting with the glass liquid level 4, and the lifting piece 6 can be manually operated or mechanically driven, so that the measuring component is driven to move up and down to detect the height of the liquid level.

The graduated scale 9 is used for marking scales, and the moving distance is displayed by moving the pointer 8. In this embodiment, one end of the pointer 8 is connected to one end of the measuring component far away from the contact end, so that the moving of the measuring component drives the pointer 8 to move up and down. Of course, the other end of the pointer 8 can also be connected to the middle position of the measuring assembly, which likewise indicates the distance of movement. It should be noted that the pointing direction of the pointer 8 is opposite to the graduated scale 9, so that data can be accurately read. When the measuring component moves downwards from the highest point of the graduated scale 9 and contacts with the glass liquid level 4, the numerical value of the position of the pointer 8 pointing to the graduated scale 9 is the data of the glass liquid level.

In above-mentioned technical scheme, adopt 6 drive measuring component of lifting component to reciprocate, realize detecting the glass liquid level, it is very convenient, solved and can not monitor and the undulant problem of liquid level that causes glass liquid level 4 to and then solved the production problem that influences product quality. The liquid level measuring device can also be applied to checking the measured glass liquid level, thereby ensuring the stability of the liquid level and effectively improving the product quality.

Optionally, in an embodiment of the present disclosure, as shown in fig. 1, the measuring assembly includes a measuring rod 5 and a graphite block 2, the graphite block 2 is detachably connected to the measuring rod 5, an end of the graphite block 2 away from the measuring rod 5 is a contact end, and an end of the lifting member 6 away from the mounting base 12 is detachably connected to the measuring rod 5.

Wherein in this embodiment, the measuring rod 5 is used for connecting with the lifting piece 6 to realize up-and-down movement, and the graphite block 2 is used for contacting with the glass liquid surface 4. It should be noted that the graphite block 2 is vertically arranged, the bottom end of the graphite block 2 is a contact end for contacting with the glass liquid level 4, and the bottom end of the graphite block 2 is kept horizontal. Wherein, graphite block 2 is the graphite material, and when contacting with glass liquid level 4, glass liquid can not remain on graphite block 2 to graphite block 2 can not form the wire drawing with the contact of high temperature glass liquid and fall the last edge of the melting furnace tank wall of measuring position, makes the last edge of the melting furnace tank wall of measuring position keep clean, has guaranteed glass's production quality.

Wherein, in this embodiment, because graphite block 2 is connected with dismantling of measuring stick 5, can in time change graphite block 2 for graphite block 2 is better with the effect of glass liquid level 4 contact, has also avoided measuring stick 5 to be stained with glass liquid, has guaranteed the detection to glass liquid level 4.

Wherein, measuring stick 5 can in time dismantle measuring stick 5 after using with being connected of dismantling of lift 6, avoids producing the influence to glass, can reduce the condition of glass volatile substance condensation on measuring stick 5 to reduce its problem that drops and produce the bubble defect, avoid influencing glass's production quality's problem.

Optionally, in an embodiment of the present disclosure, the measuring rod 5 includes a horizontal section 51 and a vertical section 52, an end of the lifting member 6 away from the mounting seat 12 is detachably connected to the horizontal section 51, and the graphite block 2 is detachably connected to the vertical section 52.

Wherein, the vertical section 52 is located the one end that the horizontal segment 51 is used for stretching into the kiln to integrated into one piece, vertical section 52 is used for conveniently installing graphite block 2, and vertical section 52 is used for moving along the vertical direction of kiln simultaneously, is convenient for graphite block 2 and glass liquid level 4 contact. Optionally, in this embodiment, the graphite block 2 is located at the end face of the bottom end of the vertical section 52, so that the bottom end of the graphite block 2 can be ensured to be in complete contact with the glass liquid level 4, and the detection accuracy is improved.

Alternatively, in other embodiments of the present disclosure, the measuring rod 5 may be a horizontal straight rod, and the graphite block 2 is detachably attached to the end of the measuring rod 5 at the end for extending into the furnace.

Optionally, in an embodiment of the present disclosure, a receiving groove (not shown) with one open end is formed on the vertical section 52, one end of the graphite block 2 close to the vertical section 52 slidably extends into the receiving groove, a fastening bolt 3 for locking the graphite block 2 is screwed to a side wall of the vertical section 52, and the fastening bolt 3 is used for abutting the graphite block 2 against a groove wall of the receiving groove.

In the embodiment, the accommodating groove is formed along the length direction of the vertical section 52 in an inwards concave manner, the notch of the accommodating groove faces to be vertically issued, and the graphite block 2 is kept in a vertical direction and is in contact with the glass liquid level 4. It should be noted that the size of the accommodating groove is slightly larger than that of the graphite block 2, so that the graphite block 2 can be conveniently placed in the accommodating groove, and the cross-sectional shape of the accommodating groove is consistent with that of the graphite block 2.

In this embodiment, the lateral wall of vertical section 52 is equipped with the screw hole with fastening bolt 3 adaptation, and the screw hole communicates with the holding tank, when graphite block 2 was put into the holding tank, with fastening bolt 3's screw thread end screw in screw hole to with graphite block 2 butt, and promote graphite block 2 and the cell wall in close contact with of holding tank, can fasten graphite block 2. Through the holding tank that sets up and fastening bolt 3's cooperation, can adjust the length that graphite block 2 exposes the holding tank, can conveniently contact with glass liquid level 4, can avoid graphite block 2 to stretch out too much the fracture condition that appears again. Optionally, in this embodiment, the length position of the accommodating groove exposed by the graphite block 2 is 3-5mm, if the graphite block 2 is exposed too much, the fracture condition is likely to occur, the glass production is affected, if the graphite block is exposed too little, the graphite block is inconvenient to contact with the glass liquid level 4, and the extending end and the measuring rod 5 are likely to be stained with the glass liquid.

Alternatively, in other embodiments of the present disclosure, the end of the measuring rod 5, which is used for extending into the kiln, may be provided with a clamping member, and the graphite block 2 is clamped and fixed by the clamping member. The clamping piece fixes the graphite block 2, so that the downward protruding length of the graphite block 2 can be adjusted, and the graphite block 2 can be kept in contact with the glass liquid surface 4. Optionally, the clamping piece can be clamped by tightening a spring and can also be clamped by a clamping jaw, and the clamping piece can be selected according to actual needs.

Optionally, in an embodiment of the present disclosure, a connection seat 13 is disposed on one end of the lifting member 6 away from the mounting seat 12, the liquid level measuring device further includes a pressing plate 14 located above the connection seat 13, a fixing bolt 11 for screw-fitting with the connection seat 13 is disposed on the pressing plate 14, and the measuring rod 5 is clamped between the pressing plate 14 and the connection seat 13.

Wherein, in this embodiment, clamp plate 14 is located the vertical top of connecting seat 13, is equipped with the unthreaded hole that link up with fixing bolt 11 adaptation on the clamp plate 14 for fixing bolt 11 passes, and is equipped with the screw with fixing bolt 11 adaptation on the connecting seat 13, through passing the unthreaded hole that corresponds with fixing bolt 11, again with screw thread fit back, presss from both sides measuring stick 5 tightly, realizes that measuring stick 5 is fixed with being connected of connecting seat 13, and keeps the horizontality of measuring stick 5. It should be noted that, in order to ensure the fixing effect, the number of the fixing bolts 11, the unthreaded holes and the corresponding threaded holes is at least two, and may be multiple. When needs are measured, install measuring stick 5 in connecting seat 13 can, after using up, back screwing out fixing bolt 11 can dismantle measuring stick 5, it is very convenient to use.

Optionally, in other embodiments of the present disclosure, a fastening ring is disposed on the output end of the lifting member 6, a plurality of fasteners are disposed on the fastening ring, the measuring rod 5 passes through the fastening ring, and then the measuring rod 5 is fastened and fixed by the plurality of fasteners, so that the measuring rod 5 can be fixed on the output end of the lifting member 6. Alternatively, a general clamping device may be used to clamp the measuring rod 5, so that the measuring rod 5 may be fixed horizontally.

Optionally, in an embodiment of the present disclosure, the measuring rod 5 is provided with a limiting member 10 that cooperates with the pressing plate 14 to limit the position of the measuring rod 5.

In the present embodiment, the stopper 10 is a bump, the bump is welded to the surface of the measuring rod 5, and when the measuring rod 5 is slid so that the bump abuts against the platen 14, it means that the position of the measuring rod 5 at which the glass liquid surface 4 is measured is the same. The limiting part 10 is used for limiting the position of the measuring rod 5, so that the same position of the glass liquid level 4 can be ensured during each measurement, and the measurement errors caused by different surface tensions and liquid flows due to different measurement positions and the temperature difference of the glass liquid can be reduced.

Optionally, in other embodiments of the present disclosure, the limiting member 10 may be a pin, the measuring rod 5 is provided with a first pin hole, the pressing plate 14 is provided with a second pin hole adapted to the first pin hole, and when the first pin hole is communicated with the second pin hole, the pin is inserted into the first pin hole and the second pin hole, so that the limiting of the measuring rod 5 is achieved.

Optionally, in an embodiment of the present disclosure, the lifting member 6 is a screw, one end of the screw is in threaded connection with the mounting seat 12, and the other end is detachably connected with the measuring assembly.

Wherein, in this embodiment, can slowly drive the reciprocating of measuring stick 5 through the rotation of screw rod to drive graphite block 2 reciprocate, be used for realizing detecting the liquid level, can improve the detection precision to the liquid level when graphite block 2 slow moving. In this embodiment, the screw rod is vertically arranged, the lower end of the screw rod is in threaded connection with the mounting base 12, and the upper end of the screw rod is detachably connected with the measuring rod 5 through the matching of the connecting base 13 and the pressing plate 14. Optionally, in this embodiment, the outer surface of the lower end of the screw rod is threaded, and the outer surface of the upper end is smooth, so that the upper end is connected with the connecting seat 13. Of course, in other embodiments, the outer surface of the screw may be threaded entirely, and may be configured as desired.

Optionally, in other embodiments of this disclosure, lifting member 6 can be hydraulic telescoping rod or air spring, and hydraulic telescoping rod passes through hydraulic drive, realizes driving measuring stick 5 and slowly rises or descends, and the one of air spring is close to measuring stick 5 and serves and set up the pulling member, drives the air spring through the pulling member and pushes down, realizes measuring stick 5's decline, and after loosening the pulling member, the air spring kick-backs, and measuring stick 5 returns to the original position.

Optionally, in an embodiment of the present disclosure, the mounting seat 12 includes a mounting seat 12 body and an adjusting knob 7, the adjusting knob 7 is rotatably mounted on the mounting seat 12 body, one end of a screw rod passes through the adjusting knob 7 and extends into the mounting seat 12 body, and a screw-nut pair is formed between the screw rod and the adjusting knob 7.

In the present embodiment, the adjusting knob 7 is rotatably installed at the top end of the body of the installation seat 12, the body of the installation seat 12 is provided with an unthreaded hole for screwing in the screw rod, the adjusting knob 7 is installed on the end face of the unthreaded hole, and the unthreaded hole can be a closed hole or a through hole and can accommodate the screw rod. In this embodiment, the adjusting knob 7 is of a circular ring structure, and the inner annular wall of the adjusting knob 7 is provided with threads adapted to the screw rod, so that a screw rod nut pair is formed between the adjusting knob 7 and the screw rod, the screw rod can be driven to rotate by rotating the adjusting knob 7, and manual operation is very convenient. It should be noted that the adjusting knob 7 can rotate on the mounting seat 12 and can not fall off the mounting seat 12.

Optionally, in other embodiments of the present disclosure, a support for supporting the adjusting knob 7 extends outward from the body of the mounting seat 12, the adjusting knob 7 is rotated on the support, and the body of the mounting seat 12 may not be provided with an optical hole for accommodating the screw rod, and at this time, the screw rod rotates outside the mounting seat 12.

Optionally, in one embodiment of the present disclosure, the graduated scale 9 has a scale value of-50 to 50 mm.

In the present embodiment, when the measurement is started, the pointer 8 points to the position of 50mm of the graduated scale 9, and when the measuring rod 5 is moved downward, the measurement of data higher than the standard liquid level and data lower than the standard liquid level can be performed.

In another aspect of the present disclosure, a glass furnace is further provided, which includes a furnace body for containing molten glass and a liquid level measuring device as described above, wherein the mounting seat 12 of the liquid level measuring device is mounted on the furnace body.

As shown in fig. 2, when the present embodiment is used specifically, when the graphite block 2 is mounted, the lower elevation measured by the level gauge is the same as the preset standard liquid level height, and the zero is corrected, and at this time, the reading of the position where the pointer 8 points to the graduated scale 9 is 0 mm. Then install mount pad 12 in the outside of melting furnace pool wall, install measuring stick 5 in the upper end of screw rod, rotate adjust knob 7, rise measuring stick 5 to the 50 mm's of pointer 8 directional scale 9 position, then stretch into the melting furnace with the one end that measuring stick 5 has graphite block 2 in, rotate adjust knob 7, drive measuring stick 5 and descend slowly, just after graphite block 2 and glass liquid level 4 just contact, stop to rotate adjust knob 7, read the data of scale 9 according to pointer 8 this moment. The reading of the graduated scale 9 indicated by the pointer 8 is the height of the glass liquid level 4 relative to the preset standard liquid level, when the reading is a positive value, the height of the glass liquid level 4 is higher than the preset standard liquid level, and the higher value is read millimeter data; when the reading value is negative, the glass liquid level 4 is shown to be lower than the preset standard liquid level, and the lower value is the absolute value of the read millimeter data.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A liquid level measuring device, comprising:

a mounting seat (12);

the lifting piece (6) is connected with the mounting seat (12) and can move along the vertical direction;

the measuring assembly is provided with a contact end used for being in contact with the liquid level, and one end, away from the mounting seat (12), of the lifting piece (6) is connected with the measuring assembly;

a read subassembly for reading liquid level data, read the subassembly and include pointer (8) and graduated scale (9), the one end of pointer (8) with measuring component connects, and the other end points to graduated scale (9), graduated scale (9) vertical connection be in on the lateral wall of mount pad (12).

2. The liquid level measuring device according to claim 1, characterized in that the measuring assembly comprises a measuring rod (5) and a graphite block (2), the graphite block (2) is detachably connected with the measuring rod (5), one end of the graphite block (2) far away from the measuring rod (5) is the contact end, and one end of the lifting member (6) far away from the mounting seat (12) is detachably connected with the measuring rod (5).

3. The level measuring device according to claim 2, characterized in that the measuring rod (5) comprises a horizontal section (51) and a vertical section (52), the end of the lifting element (6) remote from the mounting seat (12) being detachably connected to the horizontal section (51), and the graphite block (2) being detachably connected to the vertical section (52).

4. The liquid level measuring device according to claim 3, wherein a receiving groove with an open end is formed on the vertical section (52), one end of the graphite block (2) close to the vertical section (52) is slidably inserted into the receiving groove, a fastening bolt (3) for locking the graphite block (2) is connected to the side wall of the vertical section (52) in a threaded manner, and the fastening bolt (3) is used for abutting the graphite block (2) against the groove wall of the receiving groove.

5. The liquid level measuring device according to claim 2, wherein a connecting seat (13) is arranged at one end of the lifting member (6) far away from the mounting seat (12), the liquid level measuring device further comprises a pressing plate (14) positioned above the connecting seat (13), a fixing bolt (11) for being in threaded fit with the connecting seat (13) is arranged on the pressing plate (14), and the measuring rod (5) is clamped between the pressing plate (14) and the connecting seat (13).

6. A liquid level measuring device according to claim 5, characterized in that the measuring rod (5) is provided with a stop (10) which cooperates with the pressure plate (14) to define the position of the measuring rod (5).

7. A liquid level measuring device according to claim 1, characterized in that the lifting member (6) is a screw, one end of which is threadedly connected to the mounting base (12) and the other end of which is detachably connected to the measuring assembly.

8. The liquid level measuring device according to claim 7, wherein the mounting seat (12) comprises a mounting seat (12) body and an adjusting knob (7), the adjusting knob (7) is rotatably mounted on the mounting seat (12) body, one end of the screw rod penetrates through the adjusting knob (7) and extends into the mounting seat (12) body, and a screw rod and an adjusting knob (7) form a screw nut pair.

9. A liquid level measuring device according to any one of claims 1-8, characterized in that the graduated scale (9) has a scale value of-50 mm.

10. Glass furnace, characterized in that it comprises a furnace body for containing molten glass and a level measuring device according to any one of claims 1 to 9, the mounting seat (12) of said level measuring device being mounted on said furnace body.

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