CN-224209096-U - Molten iron monitoring probe cooling dust-proof device of centrifugal machine for nodular cast iron pipe production

Abstract

The utility model discloses a molten iron monitoring probe cooling dust-proof device of a centrifugal machine for nodular cast iron pipe production, which comprises a probe lens, a probe housing, a ventilation spacer bush, a mounting plate and a connector, wherein a fixing cavity and a placing cavity are arranged in the probe housing, a first flow gap is arranged between the inner wall of the placing cavity and the probe lens, a detection hole is arranged at the probe housing corresponding to a detection end, a second flow gap is arranged between the inner wall of the fixing cavity and the probe lens, ventilation holes are formed in the ventilation spacer bush, the first flow gap is communicated with the second flow gap through the ventilation holes, the probe lens is fixed in the probe housing through the ventilation spacer bush and the mounting plate, the probe lens is protected through the probe housing, a gas path is formed through the first flow gap and the second flow gap, and an optical fiber component and a dust removing component are integrated, so that dust sweeping and cooling can be realized while normal probe monitoring can be ensured, and the device is easy to clean and maintain.

Inventors

• DING YANYU
• ZHOU CHANGJUN

Assignees

• 圣戈班管道系统有限公司

Dates

Publication Date

20260508

Application Date

20250520

Claims (10)

1. 1. The utility model provides a centrifugal machine's molten iron monitoring probe cooling dust keeper for nodular cast iron pipe production, its characterized in that, including probe camera lens, probe housing, spacer, mounting panel and connector ventilate, just be provided with fixed chamber in the probe housing and place the chamber, the detection end setting of probe camera lens is in place the intracavity, just place the intracavity wall with be provided with first circulation clearance between the probe camera lens, the probe housing corresponds the detection end is provided with the detection hole, the stiff end of probe camera lens passes through the spacer ventilate with the mounting panel is fixed to be set up in the fixed intracavity, fixed intracavity wall with be provided with the second between the probe camera lens and flow through the clearance, be provided with gas tube hole and fiber hole on the mounting panel, the connector is fixed to be provided with on the probe housing, the trachea in the connector passes through the trachea hole is fixed in the probe housing, the fiber in the connector passes through the fiber hole with the probe camera lens is connected, be provided with the bleeder vent on the spacer ventilate, first circulation clearance with the second circulation clearance passes through the bleeder vent intercommunication.
2. 2. The apparatus for cooling and dust preventing a molten iron monitoring probe of a centrifuge for producing ductile cast iron pipe according to claim 1 wherein the fixing chamber and the placing chamber are each provided as a cylindrical cavity so that the first flow gap and the second flow gap are each formed as an annular flow space surrounding the probe lens.
3. 3. The apparatus for cooling and dust prevention of molten iron monitoring probe of centrifugal machine for ductile cast iron pipe production according to claim 2, wherein the fixed end of the probe lens is provided with a fixed ring, the cross-sectional diameter of the fixed cavity is larger than the cross-sectional diameter of the placing cavity to form a boss, and the ventilation spacer is arranged between the fixed ring and the boss.
4. 4. The apparatus for cooling and dust prevention of molten iron monitoring probe of centrifugal machine for ductile iron pipe production according to claim 3 wherein the mounting plate is fixedly disposed at one end of the fixing chamber and the mounting plate is abutted against the fixing end of the probe lens so that the fixing ring is disposed between the mounting plate and the ventilation spacer.
5. 5. The cooling and dust preventing device for the molten iron monitoring probe of the centrifugal machine for the production of the ductile cast iron pipe according to claim 4, wherein the ventilation spacer is set into a circular pipe sleeve, a sleeve joint hole is arranged in the center of the ventilation spacer, the probe lens is arranged in the sleeve joint hole, and a plurality of ventilation holes are uniformly distributed in a circular shape with the sleeve joint hole.
6. 6. The apparatus of claim 5, wherein the axis of the vent is parallel to the axis of the socket, the end of the vent adjacent to the first vent gap is provided with a vent groove, the vent groove is a circular cross-section groove extending along the axis of the vent spacer, the cross-section diameter of the vent groove is larger than the cross-section diameter of the placing cavity, and the end of the vent is communicated with the vent groove.
7. 7. The apparatus of claim 4, wherein the end of the fixing cavity is provided with a first positioning groove, the first positioning groove is a circular groove, the mounting plate is provided with a first positioning ring, and the first positioning ring is arranged in the first positioning groove.
8. 8. The apparatus of claim 7, wherein the mounting plate is provided with a second positioning groove, the second positioning groove is a circular groove, the connector is provided with a second positioning ring, and the second positioning ring is disposed in the second positioning groove.
9. 9. The apparatus of claim 8, wherein the first positioning ring, the second positioning groove and the mounting plate are all coaxially arranged, and the fiber hole is arranged in the center of the mounting plate.
10. 10. The apparatus of claim 9, wherein the probe housing is provided with a first mounting hole, the mounting plate is provided with a second mounting hole, the connector is provided with a third mounting hole, the first mounting hole is a threaded hole, the second mounting hole and the third mounting hole are through holes, the first mounting hole, the second mounting hole and the third mounting hole are uniformly and correspondingly arranged, and a mounting bolt sequentially passes through the correspondingly arranged third mounting hole and second mounting hole and is in threaded connection with the first mounting hole.

Description

Molten iron monitoring probe cooling dust-proof device of centrifugal machine for nodular cast iron pipe production Technical Field The utility model relates to the technical field of pipe fitting production, in particular to a cooling dust-proof device of a molten iron monitoring probe of a centrifugal machine for ductile cast iron pipe production. Background When the centrifugal spheroidal graphite cast iron pipe is centrifugally poured, molten iron should immediately descend after pouring the bellmouth, a molten iron monitoring probe is arranged on a core frame through a molten iron detection system to detect the time for reaching the bellmouth, and then the automatic pouring of the bellmouth of the centrifugal machine is realized through parameter setting delay descending time, so that the thickness of the bellmouth of the casting pipe is accurately controlled, and the centrifugal casting process of the spheroidal graphite cast iron pipe is strictly guided. However, as the working environment of the molten iron monitoring probe is high in temperature, the service life of the molten iron monitoring probe is very easy to be influenced, meanwhile, the dust floating in the working process is more, a lens is polluted, the error of monitoring data is very easy to be caused, and the follow-up production process is influenced. In view of the above drawbacks, the present inventors have finally achieved the present utility model through long-time studies and practices. Disclosure of utility model In order to solve the technical defects, the technical scheme adopted by the utility model is that the cooling dustproof device for the molten iron monitoring probe of the centrifugal machine for producing the ductile cast iron pipe comprises a probe lens, a probe housing, a ventilation spacer bush, a mounting plate and a connector, wherein a fixing cavity and a placing cavity are arranged in the probe housing, a detection end of the probe lens is arranged in the placing cavity, a first flow gap is arranged between the inner wall of the placing cavity and the probe lens, the probe housing is provided with a detection hole corresponding to the detection end, the fixing end of the probe lens is fixedly arranged in the fixing cavity through the ventilation spacer bush and the mounting plate, so that the probe lens is fixed in the probe housing, a second flow gap is arranged between the inner wall of the fixing cavity and the probe lens, an air pipe hole and an optical fiber hole are arranged on the mounting plate, the connector is fixedly arranged on the probe housing, an air pipe in the connector is fixedly arranged in the probe housing through the air pipe hole, the optical fiber hole is connected with the probe lens, and the ventilation spacer bush is provided with the second flow gap and the second flow gap. Preferably, the fixing cavity and the placing cavity are both cylindrical cavities, so that the first flowing clearance and the second flowing clearance are both annular flowing spaces surrounding the probe lens. Preferably, the fixed end of the probe lens is provided with a fixed ring, the cross section diameter of the fixed cavity is larger than that of the placing cavity to form a boss, and the ventilation spacer is arranged between the fixed ring and the boss. Preferably, the mounting plate is fixedly arranged at one end of the fixing cavity, and the mounting plate is propped against the fixing end of the probe lens, so that the fixing ring is arranged between the mounting plate and the ventilation spacer bush. Preferably, the ventilation spacer is a ring-shaped pipe sleeve, a sleeve joint hole is formed in the center of the ventilation spacer, the probe lens is arranged in the sleeve joint hole, and a plurality of ventilation holes are uniformly distributed in a ring shape in the sleeve joint hole. Preferably, the axis of the vent hole is parallel to the axis of the sleeve joint hole, the end part of the vent spacer close to the first vent gap is provided with a vent groove, the vent groove is a circular cross section groove extending along the axis of the vent spacer, the cross section diameter of the vent groove is larger than the cross section diameter of the placing cavity, and the end part of the vent hole is communicated with the vent groove. Preferably, a first positioning groove is formed in the end portion of the fixing cavity, the first positioning groove is a circular groove, a first positioning ring is arranged on the mounting plate, and the first positioning ring is arranged in the first positioning groove. Preferably, the mounting plate is provided with a second positioning groove, the second positioning groove is a circular groove, the connector is provided with a second positioning ring, and the second positioning ring is arranged in the second positioning groove. Preferably, the first positioning ring, the second positioning groove and the mounting plate are all coaxially arranged, and the opti