High-temperature lens protection device for cement kiln

Abstract

The utility model relates to the technical field of high-temperature lens protection, in particular to a high-temperature lens protection device for a cement kiln. The device comprises a mounting shell, a withdrawing device is arranged in the mounting shell, a lens shell is arranged at the front end of the mounting shell, a through placement bin is formed in the lens shell, a water cooling bin is formed in the wall body, close to one side of the mounting shell, of the lens shell, and a partition plate is arranged in the water cooling bin; and an air bin is formed in the front end wall body of the lens shell. The problem that the camera cannot be normally used due to the fact that the temperature in the kiln is high is solved. The air bin is arranged in the lens shell to be matched with the high-pressure air conveying equipment, so that an air curtain can be formed at the front end of the placement bin, hot air can be effectively prevented from entering, and the effect of isolating the hot air is achieved. The water cooling bin is arranged in the lens shell to be matched with the water supply equipment, water can absorb heat energy conveniently, the temperature in the containing bin is lowered, and therefore the camera lens is effectively protected.

Description

Technical Field

[0001] The utility model relates to the technical field of high-temperature lens protection, in particular to a high-temperature lens protection device for a cement kiln. Background Art

[0002] The cement kiln head needs to monitor the kiln through monitoring equipment to accurately display the working status of the kiln. However, due to the high temperature in the kiln, its high temperature heat is radiated into the camera through the observation hole or conducted into the camera through the furnace wall, which will cause a high temperature rise in the camera and seriously affect the normal operation of the camera. Summary of the invention

[0003] The utility model aims to provide a high-temperature lens protection device for a cement kiln, so as to solve the problem in the background technology that the temperature inside the kiln is high and the camera cannot be used normally.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution, which includes an installation shell, an exit device is arranged in the installation shell, a lens shell is arranged at the front end of the installation shell, a placement bin is provided on the lens shell, a water cooling bin is provided in the wall of the lens shell close to the side of the installation shell, a partition is provided in the water cooling bin, and an air bin is provided in the front end wall of the lens shell.

[0005] As a preferred embodiment of the utility model, a water inlet and a water outlet are respectively provided on both sides of the bottom of the water cooling bin, and the water inlet and the water outlet are respectively provided on the left and right sides of the partition, and a temperature probe is provided on the partition, and one end of the temperature probe is provided in the placement bin.

[0006] As a preferred embodiment of the utility model, a plurality of nozzles communicated with the gas bin are arranged on the inner wall of the port at the front end of the placement bin, and an air inlet is arranged at the bottom of the gas bin.

[0007] As a preferred embodiment of the utility model, a heat-insulating hollow lens is arranged between the plurality of the nozzles and the temperature probe, and the heat-insulating hollow lens is filled with krypton gas.

[0008] As a preferred embodiment of the utility model, fixing parts are provided on the four corners of the mounting shell close to the lens shell side, a slide groove 1 is opened above the front and rear sides of the mounting shell, a slide groove 2 is opened below the slide groove 1, and the slide groove 2 is provided with a slide rail.

[0009] As a preferred embodiment of the utility model, the exit device includes a motor arranged on the top of the mounting shell, a screw is arranged on the transmission end of the motor, a drive plate is threadedly arranged on the screw, a limiting slot is provided on the drive plate, the drive plate is movably arranged in slide groove one, the top plate of the mounting shell is arranged in the limiting slot, a push plate is provided at the bottom of the drive plate, sliders are symmetrically arranged on both sides of the bottom of the push plate, a slide rail slot is provided on the slider, the slider is slidably arranged in slide groove two, and the slide rail is arranged in the slide rail slot.

[0010] As a preferred embodiment of the present invention, the temperature probe is connected to the motor signal.

[0011] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0012] The utility model can form a wind curtain at the front end of the placement chamber by arranging an air chamber in the lens housing in conjunction with high-pressure air delivery equipment, which can effectively block the entry of hot air and play a role in isolating hot air.

[0013] The utility model provides a water cooling chamber in the lens housing in combination with a water supply device, which can facilitate water to absorb heat energy, thereby lowering the internal temperature of the chamber and effectively protecting the camera lens.

[0014] The utility model can play a safety role by arranging the withdrawal device. When the high-pressure gas transmission equipment or the water supply device stops working, it can effectively protect the camera and avoid causing property losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a cross-sectional view of the rear end of the lens housing of the present invention;

[0017] Figure 3 This is a front end cross-sectional view of the lens housing of the present invention;

[0018] Figure 4 This is a side sectional view of the lens housing of the present utility model;

[0019] Figure 5 This is a schematic diagram of the installation shell structure of the utility model;

[0020] Figure 6 It is a schematic diagram of the structure of the exit device of the utility model.

[0021] Figure numerals: installation shell 1, fixing part 10, slide groove 11, slide groove 2 12, slide rail 13, lens shell 2, water cooling chamber 21, partition 22, water inlet 23, water outlet 24, placement chamber 25, air inlet 26, air chamber 27, nozzle 28, heat-insulating hollow lens 29, temperature probe 3, exit device 4, motor 40, screw 41, drive plate 42, limit groove 43, push plate 44, slider 45, slide rail groove 46. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0023] like Figure 1-Figure 4 As shown, the utility model proposes a high-temperature lens protection device for cement kiln, which includes a mounting shell 1, wherein the mounting shell 1 is provided with an exit device 4, a lens shell 2 is provided at the front end of the mounting shell 1, a through placement bin 25 is provided on the lens shell 2, a water cooling bin 21 is provided in the wall of the lens shell 2 close to the mounting shell 1, a partition 22 is provided in the water cooling bin 21, and an air bin 27 is provided in the front end wall of the lens shell 2; two bottom sides of the water cooling bin 21 are respectively provided with A water inlet 23 and a water outlet 24 are respectively arranged on the left and right sides of the partition 22, and a temperature probe 3 is arranged on the partition 22, and one end of the temperature probe 3 is arranged in the placement bin 25; a plurality of nozzles 28 connected with the gas bin 27 are arranged on the inner wall of the port at the front end of the placement bin 25, and an air inlet 26 is arranged at the bottom of the gas bin 27; a heat-insulating hollow lens 29 is arranged between the plurality of nozzles 28 and the temperature probe 3, and the heat-insulating hollow lens 29 is filled with krypton gas.

[0024] As an optimization solution of the present invention, by filling krypton gas in the heat-insulating hollow lens 29, the krypton gas can absorb heat to a certain extent, thereby further protecting the camera lens.

[0025] like Figure 5 As shown, fixing parts 10 are provided on the four corners of the mounting shell 1 close to the lens shell 2, a slide groove 11 is provided above the front and rear sides of the mounting shell 1, a slide groove 2 12 is provided below the slide groove 11, and a slide rail 13 is provided in the slide groove 2 12.

[0026] As an optimization solution of the present invention, a slide rail 13 is provided in the second slide groove 12 to facilitate the push plate 44 to move more smoothly.

[0027] like Figure 6 As shown, the exit device 4 includes a motor 40 arranged on the top of the mounting shell 1, a lead screw 41 is arranged on the transmission end of the motor 40, a drive plate 42 is threadedly arranged on the lead screw 41, a limit groove 43 is provided on the drive plate 42, the drive plate 42 is movably arranged in the slide groove 11, the top plate of the mounting shell 1 is arranged in the limit groove 43, a push plate 44 is arranged at the bottom of the drive plate 42, sliders 45 are symmetrically arranged on both sides of the bottom of the push plate 44, a slide rail groove 46 is provided on the slider 45, the slider 45 is slidably arranged in the slide groove 2 12, and the slide rail 13 is arranged in the slide rail groove 46, and the temperature probe 3 is connected to the motor 40 signal.

[0028] When in use, firstly, an observation port is opened on the wall of the cement kiln in advance, then the lens housing 2 is aligned with the observation port and inserted, and then the installation housing 1 is fixed to the wall of the cement kiln by bolts and fixing parts 10, and then the water inlet 23 and the water outlet 24 are respectively connected to the water supply device, and then the air inlet 26 is connected to the high-pressure gas conveying equipment, and then the water supply device and the high-pressure gas conveying equipment are started, and then the camera is pushed into the installation housing 1, and the lens of the camera is aligned with the placement bin 25 and pushed in; the high-pressure gas conveying equipment pours the high-pressure gas into the gas bin 27 through the air inlet 26, and the gas is then sprayed out through several nozzles 28, forming a wind curtain at the front end of the placement bin 25 to block the hot air; the water supply device introduces water from the water inlet 23 into the water cooling bin 21 and then discharges it through the water outlet 24, and circulates back and forth in the water cooling bin 21 to absorb heat, so that the temperature in the placement bin 25 can be reduced, thereby protecting the camera lens;

[0029] If the high-pressure gas delivery equipment or the water supply device suddenly stops running, causing the temperature inside the storage bin 25 to rise, when the temperature probe 3 detects that the temperature inside the storage bin 25 is too high, a signal will be generated to start the motor 40 to rotate forward. When the motor 40 rotates, it drives the screw 41 to rotate, thereby causing the drive plate 42 to move backward, driving the push plate 44 to move backward, and the push plate 44 pushes the camera backward, causing the camera lens to exit the storage bin 25 for protection.

[0030] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A high temperature lens protection device for a cement kiln, comprising a mounting housing (1), characterized in that: An ejection device (4) is arranged in the installation shell (1), a lens shell (2) is arranged at the front end of the installation shell (1), a penetrating placement chamber (25) is provided on the lens shell (2), a water cooling chamber (21) is provided in the wall of the lens shell (2) close to the installation shell (1), a partition (22) is provided in the water cooling chamber (21), and an air chamber (27) is provided in the front end wall of the lens shell (2).

2. The high temperature lens protection device for cement kiln according to claim 1, characterized in that: A water inlet (23) and a water outlet (24) are respectively arranged on both sides of the bottom of the water cooling bin (21); the water inlet (23) and the water outlet (24) are respectively arranged on the left and right sides of the partition (22); a temperature probe (3) is arranged on the partition (22); one end of the temperature probe (3) is arranged in the placement bin (25).

3. The high temperature lens protection device for cement kiln according to claim 2, characterized in that: A plurality of nozzles (28) communicating with the gas chamber (27) are arranged on the inner wall of the port at the front end of the placement chamber (25), and an air inlet (26) is arranged at the bottom of the gas chamber (27).

4. The high temperature lens protection device for cement kiln according to claim 3, characterized in that: A heat-insulating hollow lens (29) is arranged between the plurality of the nozzles (28) and the temperature probe (3), and the heat-insulating hollow lens (29) is filled with krypton gas.

5. The high temperature lens protection device for cement kiln according to claim 4, characterized in that: The four corners of the mounting shell (1) close to the lens shell (2) are all provided with fixing parts (10); a first slide groove (11) is provided above the front and rear sides of the mounting shell (1); a second slide groove (12) is provided below the first slide groove (11); and a slide rail (13) is provided on the second slide groove (12).

6. The high temperature lens protection device for cement kiln according to claim 5, characterized in that: The withdrawal device (4) comprises a motor (40) arranged on the top of the installation shell (1), a lead screw (41) is arranged on the transmission end of the motor (40), a drive plate (42) is threadedly arranged on the lead screw (41), a limit groove (43) is provided on the drive plate (42), the drive plate (42) is movably arranged in the first slide groove (11), the top plate of the installation shell (1) is arranged in the limit groove (43), a push plate (44) is arranged at the bottom of the drive plate (42), sliders (45) are symmetrically arranged on both sides of the bottom of the push plate (44), a slide rail groove (46) is provided on the slide block (45), the slide block (45) is slidably arranged in the second slide groove (12), and the slide rail (13) is arranged in the slide rail groove (46).

7. The high temperature lens protection device for cement kiln according to claim 6, characterized in that: The temperature probe (3) is signal-connected to the motor (40).

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