CN216700177U

CN216700177U - High-temperature industrial television for imaging in blast furnace

Info

Publication number: CN216700177U
Application number: CN202220297149.0U
Authority: CN
Inventors: 吴张龙
Original assignee: Changzhou Yuantai Electronic Co ltd
Current assignee: Changzhou Yuantai Electronic Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-06-07
Anticipated expiration: 2032-02-14

Abstract

The utility model relates to an imaging high temperature industrial television in blast furnace belongs to the industrial television field, and it includes built-in sleeve, sleeve protecgulum, a protective sleeve section of thick bamboo and protection protecgulum, be equipped with camera and two retaining ring pieces in the built-in sleeve, retaining ring piece and built-in sleeve threaded connection, the camera is located between two retaining ring pieces, the protective sleeve outside is equipped with mounting flange, be equipped with compression spring in the built-in sleeve, compression spring one end and the retaining ring piece butt of keeping away from the sleeve protecgulum setting, the other end and camera butt, the camera is kept away from compression spring's one end with be close to the retaining ring piece butt of sleeve protecgulum. This application has the effect that conveniently adjusts the mounted position that the camera is located built-in sleeve, and the observation hole department of camera is difficult for the deposition and influences the control to the stove simultaneously.

Description

High-temperature industrial television for imaging in blast furnace

Technical Field

The application relates to the technical field of high-temperature industrial televisions, in particular to a high-temperature industrial television for imaging in a blast furnace.

Background

At present, the high-temperature industrial television for imaging in the blast furnace is special closed circuit television equipment applied to a high-temperature environment, and is widely applied to industrial high-temperature furnaces such as heating furnaces, steam boilers, sintering furnaces and the like in the industries such as metallurgy, electric power, building materials, light industry, chemical industry and the like.

As shown in fig. 1, a high-temperature industrial television in the related art includes an internal sleeve 1, a protective sleeve 2 and a camera 3, wherein the internal sleeve 1 coaxially penetrates through the protective sleeve 2, and the two are relatively and fixedly mounted. The front end of the built-in sleeve 1 is provided with a sleeve front cover 13, the outer side of the protective sleeve 2 is fixedly connected with an installation flange 21, and the installation flange 21 is fixed on the furnace wall through bolts. The inside wall of the built-in sleeve 1 is further connected with two fixing ring pieces 4 in a threaded mode, the camera 3 is placed in the built-in sleeve 1, and two ends of the camera 3 are abutted to the fixing ring pieces 4 to fix the position of the camera 3. The front end of the protective sleeve 2 is provided with a protective front cover 22, and the centers of the sleeve front cover 13 and the protective front cover 22 are both provided with an observation hole 131 aligned with the lens of the camera 3.

The above prior art solutions have the following drawbacks: when the distance between the camera and the furnace body observation object needs to be adjusted after the whole high-temperature industrial television and the furnace wall are installed, the fixed ring pieces at the front end and the rear end of the camera need to be rotated and adjusted at the same time, so that the camera can still abut against the fixed ring pieces after being displaced, and the adjusting process is complicated.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the operation is more loaded down with trivial details in the distance between regulation camera and the furnace body observation thing, this application provides a high temperature industrial television that forms images in the blast furnace stove.

The above application purpose of the present application is achieved by the following technical solutions:

the utility model provides a high temperature industrial television that forms images in blast furnace stove, includes built-in sleeve, sleeve protecgulum, a protective sleeve section of thick bamboo and protection protecgulum, be equipped with camera and two fixed ring pieces in the built-in sleeve, fixed ring piece and built-in sleeve threaded connection, the camera is located between two fixed ring pieces, the protective sleeve outside is equipped with mounting flange, be equipped with compression spring in the built-in sleeve, compression spring one end and the fixed ring piece butt of keeping away from the sleeve protecgulum setting, the other end and camera butt, the camera is kept away from compression spring's one end with be close to the fixed ring piece butt of sleeve protecgulum.

Through adopting above-mentioned technical scheme, when needs adjust the camera position, only need the rotating be close to the fixed ring piece of sleeve protecgulum can, compression spring can utilize its elasticity to adjust the position self-adaptation ground of camera this moment. Because only one side of the camera fixing ring piece needs to be adjusted in the process, compared with the prior art in which two fixing ring pieces are adjusted simultaneously, the operation is simplified.

Optionally, the fixed ring piece is provided with a rotation notch along the circumferential direction.

Through adopting above-mentioned technical scheme, usable shaft-like instrument inserts to rotating in the breach to the realization rotates the stationary ring piece, has made things convenient for the operation.

Optionally, the built-in sleeve comprises a mounting sleeve and a connecting sleeve which are connected end to end through internal and external threads, the camera is mounted in the mounting sleeve, and the sleeve front cover is in threaded connection with the mounting sleeve.

Through adopting above-mentioned technical scheme, with the installation sleeve back of taking off from connecting sleeve, can conveniently adjust the initial position that the retaining ring piece of keeping away from sleeve protecgulum department is located the installation sleeve.

Optionally, the connecting sleeve is provided with a first cold air inlet pipe communicated with the outer side of the furnace wall, the fixing ring piece is provided with air holes, air gaps are reserved between the side wall of the camera and the side wall of the mounting sleeve and between one end of the camera, which is far away from the fixing ring piece, and the sleeve front cover, and the air gaps are communicated with the observation holes in the sleeve front cover through the air holes in the fixing ring piece.

By adopting the technical scheme, the temperature of the built-in sleeve is reduced, so that the temperature of the surrounding installation environment of the camera is reduced; meanwhile, cooling gas is blown into the furnace, so that the possibility that smoke dust in the furnace is gathered at observation holes in the sleeve front cover and the protective front cover to block the monitoring sight is reduced.

Optionally, a ball valve is installed on the connecting sleeve, and the ball valve is located between the first cold air inlet pipe and the mounting flange.

Through adopting above-mentioned technical scheme, when first air conditioning advances the pipe and stops the air feed, close the ball valve, can reduce the possibility that the stove gas pours into the connecting sleeve who is located the oven outside into.

Optionally, distances are reserved between the sleeve front cover and the protective front cover and between the protective sleeve side wall and the built-in sleeve side wall, and a second cold air inlet pipe is communicated with the outer side of the protective sleeve.

Through adopting above-mentioned technical scheme, can further cool off built-in sleeve, further reduce the temperature of camera installation environment around.

Optionally, a cooling cavity is formed in the side wall of the protective sleeve, and a water inlet pipe and a water outlet pipe communicated with the cooling cavity are arranged on the outer side wall of the protective sleeve.

By adopting the technical scheme, the protective sleeve can be cooled, and the ambient temperature of the camera is further reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the compression spring, the position of the camera can be adjusted by rotating the fixing ring piece on one side through the elasticity of the compression spring, so that the position of the camera can be adjusted more conveniently;

2. the temperature of the built-in sleeve and the protective sleeve can be reduced through the arrangement of the first cold air inlet pipe, the second cold air inlet pipe, the water inlet pipe and the water outlet pipe, so that the surrounding environment of the camera is cooled, and the service life of the camera is prolonged;

3. the ball valve can reduce the possibility of gas in the furnace flowing back into the built-in sleeve positioned outside the furnace wall.

Drawings

Fig. 1 is a schematic view illustrating a connection relationship between a protective sleeve and an inner sleeve in the related art.

FIG. 2 is a schematic overall structure diagram of a high-temperature industrial television for embodying the imaging in the blast furnace in the embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying the fixing ring piece in the embodiment of the present application.

In the figure, 1, a sleeve is arranged inside; 11. installing a sleeve; 12. a connecting sleeve; 121. a first cold air inlet pipe; 13. a sleeve front cover; 131. an observation hole; 2. a protective sleeve; 21. installing a flange; 22. a protective front cover; 23. a water inlet pipe; 24. a water outlet pipe; 25. cooling the cavity; 26. a second cold air inlet pipe; 3. a camera; 4. a fixed ring sheet; 41. rotating the notch; 42. air holes are formed; 5. a ball valve; 6. a compression spring; 7. and (7) a gasket.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses high temperature industrial television for imaging in a blast furnace, as shown in fig. 2, the high temperature industrial television comprises a camera 3, a built-in sleeve 1 and a protective sleeve 2 which are coaxially arranged inside and outside, a distance is reserved between the built-in sleeve 1 and the side wall of the protective sleeve 2, and the built-in sleeve 1 and the protective sleeve are relatively fixed in position. The built-in sleeve 1 comprises a mounting sleeve 11 and a connecting sleeve 12, wherein one end of the mounting sleeve 11 is inserted into the connecting sleeve 12 and is in threaded connection with the connecting sleeve 12. Protecting sleeve 2 outside fixedly connected with is used for the mounting flange 21 that links to each other with the oven, the one end threaded connection that protecting sleeve 2 stretched into the stove has protection protecgulum 22, installation sleeve 11 is close to the setting of protection protecgulum 22, and the one end threaded connection of installation sleeve 11 orientation protection protecgulum 22 has sleeve protecgulum 13, leave the distance between sleeve protecgulum 13 and the protection protecgulum 22 equally, sleeve protecgulum 13 all offers the inspection hole 131 that are used for supplying camera 3 to keep watch on the condition in the stove with the center of protection protecgulum 22.

As shown in fig. 2 and 3, the inner side wall of the mounting sleeve 11 is connected with two fixing ring pieces 4 in a threaded manner, the side wall of each fixing ring piece 4 is uniformly provided with rotating notches 41 along the circumferential direction, and air holes 42 are formed in the fixing ring pieces 4. The camera 3 is located in the installation sleeve 11 and located between the two fixing ring pieces 4, and the compression spring 6 is further abutted and arranged between one end, far away from the sleeve front cover 13, of the camera 3 and the fixing ring pieces 4. When the distance between the end of the camera 3 and the observation object in the furnace needs to be adjusted, the mounting sleeve 11 can be detached from the connecting sleeve 12, the rod-shaped auxiliary object is inserted into the rotating notch 41, the fixing ring piece 4 close to the sleeve front cover 13 is rotated, and at the moment, the position of the camera 3 can be automatically adjusted through the self-adaptive elasticity of the compression spring 6, so that the camera 3 is kept to be abutted against the two fixing ring pieces 4 all the time. When the sleeve front cover 13 is rotated and the adjusting distance of the camera 3 cannot be met, the fixing ring piece 4 which is specifically adjusted to be far away from the sleeve front cover 13 is located at the initial position in the mounting sleeve 11.

As shown in fig. 2, the connecting sleeve 12 is provided with a first cold air inlet pipe 121 at the outer side of the furnace wall, and an air gap is left between the side wall of the camera 3 and the side wall of the mounting sleeve 11, and the air gap is communicated with the observation hole 131 of the sleeve front cover 13 through the air hole 42. Meanwhile, a second cold air inlet pipe 26 is further communicated with the side wall of the protective sleeve 2, when the high-temperature industrial television works, compressed air is introduced into the first cold air inlet pipe 121 and the second cold air inlet pipe 26, and the compressed air can pass through the inner part of the built-in sleeve 1 and between the built-in sleeve 1 and the protective sleeve 2 and is blown into the furnace from the observation holes 131 in the sleeve front cover 13 and the protective front cover 22. In the process, on one hand, the ambient temperature of the camera 3 can be reduced, and on the other hand, the possibility that smoke in the furnace is gathered at the observation hole 131 to block the sight of the camera 3 can be reduced.

As shown in fig. 1, in order to further reduce the temperature of the installation environment where the camera 3 is located, a cooling cavity 25 having a hollow structure is disposed on the side wall of the protective sleeve 2, a water inlet pipe 23 and a water outlet pipe 24 which are communicated with the cooling cavity 25 are disposed on the outer side of the protective sleeve 2, cooling water can be introduced into the cooling cavity 25 through the water inlet pipe 23 to integrally cool the protective sleeve 2, and the cooling water is discharged outside through the water outlet pipe 24.

As shown in fig. 1, a ball valve 5 is further installed on the connecting sleeve 12 and between the water inlet pipe 23 and the first cold air inlet pipe 121, an installation flange 121 is provided on an outer side wall of the connecting sleeve 12, and the ball valve 5 is flange-connected to the installation flange 121 and one end of the protection sleeve 2 far away from itself and inserted into the furnace. When the first cold air inlet pipe 121 stops supplying air, the ball valve 5 is closed, and the possibility that the gas in the furnace flows back into the built-in sleeve 1 positioned outside the furnace wall can be reduced. In order to increase the installation reliability of the ball valve 5, a gasket 7 made of polytetrafluoroethylene material is padded between the ball valve 5 and one end of the installation flange 121 and the protection sleeve 2 far away from the end inserted into the furnace.

The implementation principle of the high-temperature industrial television for imaging in the blast furnace in the embodiment of the application is as follows:

the rod-shaped object is inserted into the rotating notch 41, and the positions of the two fixed ring pieces 4 are adjusted so as to adjust the actual distance between the front end of the camera 3 and the monitored image in the furnace. When the camera 3 works, the first cold air inlet pipe 121 and the second cold air inlet pipe 26 are both filled with compressed air, and meanwhile, the water inlet pipe 23 is filled with cooling water, so that the whole high-temperature industrial television is cooled.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an imaging high temperature industry TV in blast furnace, includes built-in sleeve (1), sleeve protecgulum (13), protective sleeve (2) and protective protecgulum (22), be equipped with camera (3) and two fixed ring pieces (4) in built-in sleeve (1), fixed ring piece (4) and built-in sleeve (1) threaded connection, camera (3) are located between two fixed ring pieces (4), protective sleeve (2) outside is equipped with mounting flange (21), its characterized in that: the built-in sleeve (1) is internally provided with a compression spring (6), one end of the compression spring (6) is abutted against a fixed ring sheet (4) far away from a sleeve front cover (13), the other end of the compression spring is abutted against a camera (3), and one end of the camera (3) far away from the compression spring (6) is abutted against the fixed ring sheet (4) close to the sleeve front cover (13).

2. The high-temperature industrial television for imaging in the blast furnace of claim 1, wherein: the fixed ring piece (4) is provided with a rotating gap (41) along the circumferential direction.

3. The high-temperature industrial television for imaging in the blast furnace of claim 1, wherein: the built-in sleeve (1) comprises a mounting sleeve (11) and a connecting sleeve (12) which are connected end to end through internal and external threads, the camera (3) is mounted in the mounting sleeve (11), and the sleeve front cover (13) is in threaded connection with the mounting sleeve (11).

4. The high temperature industrial television for imaging in the blast furnace according to claim 3, wherein: the connecting sleeve (12) is provided with a first cold air inlet pipe (121) at the outer side of the furnace wall in a communicated mode, air holes (42) are formed in the fixing ring piece (4), an air permeable gap is reserved between the side wall of the camera (3) and the side wall of the mounting sleeve (11), and the air permeable gap is communicated with an observation hole (131) in the sleeve front cover (13) through the air holes (42) in the fixing ring piece (4).

5. The high temperature industrial television for blast furnace imaging according to claim 3, wherein: install ball valve (5) on connecting sleeve (12), ball valve (5) are located first air conditioning and advance between pipe (121) and mounting flange (21).

6. The high-temperature industrial television for imaging in the blast furnace of claim 1, wherein: distances are reserved between the sleeve front cover (13) and the protective front cover (22) and between the side wall of the protective sleeve (2) and the side wall of the built-in sleeve (1), and the outer side of the protective sleeve (2) is communicated with a second cold air inlet pipe (26).

7. The high-temperature industrial television for imaging in the blast furnace of claim 1, wherein: the cooling protection sleeve is characterized in that a cooling cavity (25) is formed in the side wall of the protection sleeve (2), and a water inlet pipe (23) and a water outlet pipe (24) which are communicated with the cooling cavity (25) are arranged on the outer side wall of the protection sleeve (2).