CN220853880U - Thermal imaging camera for sodium hexametaphosphate melting furnace - Google Patents
Thermal imaging camera for sodium hexametaphosphate melting furnace Download PDFInfo
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- CN220853880U CN220853880U CN202322673451.9U CN202322673451U CN220853880U CN 220853880 U CN220853880 U CN 220853880U CN 202322673451 U CN202322673451 U CN 202322673451U CN 220853880 U CN220853880 U CN 220853880U
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- shell
- thermal imaging
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- imaging camera
- optical lens
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- 238000001931 thermography Methods 0.000 title claims abstract description 29
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 title claims abstract description 16
- 235000019982 sodium hexametaphosphate Nutrition 0.000 title claims abstract description 16
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 title claims abstract description 16
- 238000002844 melting Methods 0.000 title description 7
- 230000008018 melting Effects 0.000 title description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 238000012806 monitoring device Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000003723 Smelting Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model provides a thermal imaging camera for a sodium hexametaphosphate smelting furnace, which comprises an outer shell, an infrared monitoring device arranged in the outer shell and an optical lens arranged outside the outer shell, wherein the outer shell comprises an outer shell body and an inner shell body, a space for liquid to pass through is reserved between the outer shell body and the inner shell body, and a water inlet hole and a water outlet hole are respectively arranged on one side surface of the outer shell; a view finding hole is formed in one side face of the shell, and the optical lens is correspondingly arranged on the side face where the view finding hole is formed. The utility model constructs a channel for fluid to pass through in the shell, and is correspondingly provided with the water inlet hole and the water outlet hole, so that condensed water can be filled in the shell to form the water cooling circulation device, thereby timely transferring the external heat away, avoiding the overhigh temperature in the shell, ensuring the accuracy of the collected infrared data and effectively prolonging the service life of the equipment and reducing the maintenance cost.
Description
Technical Field
The utility model relates to the technical field of infrared monitoring equipment, in particular to a thermal imaging camera for a sodium hexametaphosphate smelting furnace.
Background
The thermal imaging camera is a common sensing instrument in modern industry, and has the functions of receiving infrared light signals emitted by objects, converting the infrared light signals into electric signals, and judging whether the infrared light signals exceed the conventional conditions according to the change and the numerical value of the signals. The thermal imaging camera generally includes an infrared receiver, a signal processor, and a switch, wherein a signal input end of the signal processor is connected with the infrared receiver through an infrared receiving circuit, and a feedback signal output end of the signal processor is connected with a peripheral control circuit, so that an infrared signal is converted into a digital signal.
In chemical production, thermal imaging cameras are also often used to detect the temperature of some equipment, typically reaction equipment, to provide early warning in the event of an accident. For example, a melting furnace and a quenching machine are process devices for producing sodium hexametaphosphate, materials are fed into the melting furnace through a feed valve in the form of slurry for complete combustion, and after the combustion is completed, the materials enter the quenching machine for cooling, and sodium hexametaphosphate crystals are formed. The method is characterized in that the thermal imaging of the furnace is applied to observe the combustion state in the furnace at the furnace mouth, the visual effect of the raw materials is enhanced through a temperature difference highlighting algorithm, then a dynamic distribution algorithm based on Gaussian is utilized to outline the boundary of the raw materials, the current combustion state is displayed in real time in cooperation with client software, the real-time material distribution and accumulation conditions in the furnace are calculated according to an intelligent thermal imaging algorithm, and the real-time material distribution and accumulation conditions are transmitted to a DCS (distributed control system) in a factory through a 4-20 Ma analog current quantity signal, so that the method has the automatic capability during early warning. The method aims at the thermal imaging application of the quenching machine to monitor the processing state of the material in real time, calculates the current material length through an intelligent thermal imaging algorithm, transmits an analog current quantity signal of 4-20 Ma to a DCS central control in a factory, and has the transmission capability of bottom material data while supporting the abnormal length alarm. The use of furnaces and quenchers is a typical case of intelligent industry intelligence and automation. By observing the furnace mouth through the thermal imaging camera, the boundary line of the cooked materials can be outlined on the thermal imaging video, and the recognition processing of the intelligent algorithm can finish the functions of automatic feeding, early warning prompt and the like.
However, the existing thermal imaging camera has a certain problem when in use, namely, chemical production equipment such as a melting furnace and the like are in a high-temperature environment, the working temperature of the common industrial thermal imaging camera is between-40 ℃ and +70 ℃, the ambient temperature of the furnace mouth of the melting furnace can be up to 80 ℃, and the temperature exceeds the upper limit of the temperature of the common industrial thermal imaging camera. The common thermal imaging camera is difficult to work normally under the high-temperature environment, the power failure and the abnormal chip condition can occur, a large amount of errors can occur, and the thermal imaging camera is easy to damage under long-time working. There is a need for a camera that is more suitable for high temperature environments.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model provides a thermal imaging camera for a sodium hexametaphosphate smelting furnace, which solves the problems that the thermal imaging camera is difficult to work normally in a high-temperature environment, causes errors, is easy to damage and the like in the prior art.
According to the embodiment of the utility model, the thermal imaging camera for the sodium hexametaphosphate melting furnace comprises an outer shell, an infrared monitoring device arranged in the outer shell and an optical lens arranged outside the outer shell, wherein the outer shell is of a double-layer shell structure and comprises an outer shell and an inner shell, a space for liquid to pass through is reserved between the outer shell and the inner shell, a water inlet hole and a water outlet hole are respectively formed in one side surface of the outer shell, the water inlet hole is connected with a water pump, and the water outlet hole is connected with a water drainage groove;
The shell is provided with a view finding hole on one side surface opposite to the water inlet hole and the water outlet hole, the infrared monitoring device is arranged corresponding to the view finding hole, and the optical lens is correspondingly arranged on the side surface where the view finding hole is located, so that external light is incident on the infrared monitoring device after being focused by the optical lens.
Further, the shell comprises two half shells which are symmetrical with each other, the two half shells are of square structures, the two half shells are folded to form a shell of a closed structure, and the partition plates are arranged at the connecting edges of the half shells, which are close to one sides of the water inlet holes and the water outlet holes, so that the water inlet holes and the water outlet holes are respectively positioned on the two half shells, and a single-flow-direction passage is formed between the outer shell and the inner shell.
Furthermore, the side surfaces of the water inlet hole, the water outlet hole and the view finding hole are square surfaces.
Furthermore, the optical lens is of a cone-shaped structure, one end of the optical lens with a larger diameter faces outwards and is used for finding a view, a connecting plate is arranged outside the end face of one end with a smaller diameter, and the connecting plate is detachably connected with one side of the shell, provided with a finding hole.
Furthermore, a plurality of attenuation lenses are arranged in the optical lens, and the attenuation lenses can attenuate the intensity of the passed light.
Further, a plurality of adjusting holes are further formed in the inner shell, flexible connecting pieces are arranged on the adjusting holes in a covering mode, the flexible connecting pieces completely seal the adjusting holes, and the flexible connecting pieces are of flexible structures protruding towards the inside of the shell, so that the flexible connecting pieces can be tightly attached to the surface of the infrared monitoring device.
Further, the infrared monitoring device comprises an infrared sensor and a processor, and the processor is connected with an external switch through a network cable.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model adopts a double-layer shell structure, a channel for fluid to pass through is constructed in the shell, and the water inlet hole and the water outlet hole are correspondingly arranged, so that condensed water can be filled in the shell to form a water cooling circulation device, thereby timely transferring external heat away, avoiding overhigh temperature in the shell, ensuring the accuracy of the acquired infrared data, effectively prolonging the service life of the equipment and reducing the maintenance cost under normal working conditions all the time of the internal infrared monitoring device.
Drawings
Fig. 1 is a schematic cross-sectional view of embodiment 1 of the present utility model along the axial direction of an optical lens.
Fig. 2 is a schematic view showing a specific structure of the outer casing in embodiment 1 of the present utility model.
Fig. 3 is a schematic diagram illustrating an internal structure of an optical lens in embodiment 1 of the present utility model.
Fig. 4 is a schematic cross-sectional view of the outer case in embodiment 2 of the present utility model.
In the above figures: 1. a housing; 2. an infrared monitoring device; 3. an optical lens; 4. a water inlet hole; 5. a water outlet hole; 6. a partition plate; 7. a flexible connecting sheet; 11. an outer housing; 12. an inner housing; 13. a view finding hole; 21. a processor; 22. an infrared sensor; 31. a connecting plate; 32. an attenuating optic.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
Example 1:
as shown in fig. 1, an embodiment of the present utility model proposes a thermal imaging camera for a sodium hexametaphosphate furnace, comprising a housing 1, an infrared monitoring device 2 provided inside the housing 1, and an optical lens 3 provided outside the housing 1. In this embodiment, the housing 1 is a rectangular parallelepiped, and two opposite side surfaces thereof are square surfaces.
As shown in fig. 2, in a specific solution, the outer casing 1 is a double-layer casing structure, and includes an outer casing 1 and an inner casing 12, a space for passing liquid is reserved between the outer casing 1 and the inner casing 12, a water inlet 4 and a water outlet 5 are respectively disposed on a side surface of the outer casing 1, and sides where the water inlet 4 and the water outlet 5 are located and sides where the view finding hole 13 is located are square surfaces. The water inlet hole 4 is connected with a water pump, and the water outlet hole 5 is connected to a water drainage groove, so that cooling water can be injected to form water cooling circulation. The external heat is timely transferred away, so that the internal temperature of the shell 1 is prevented from being too high, and the internal infrared monitoring device 2 is always at a proper working temperature.
In a further scheme, the shell 1 comprises two half shells which are symmetrical with each other, the two half shells are of square structures, the two half shells are folded to form the shell 1 of a closed structure, and the partition plate 6 is arranged at the connecting edge of one side, close to the water inlet 4 and the water outlet 5, of the half shells, so that the water inlet 4 and the water outlet 5 are respectively positioned on the two half shells, and a single-flow-direction passage is formed between the shell 1 and the inner shell 12. In this way, the cooling water can flow in a single direction in the shell 1, so that the cooling water can be more uniformly covered in the shell 1, and the situation of overhigh local temperature is avoided.
The shell 1 is provided with a view finding hole 13 on one side surface opposite to the water inlet hole 4 and the water outlet hole 5, the infrared monitoring device 2 is arranged corresponding to the view finding hole 13, and the optical lens 3 is correspondingly arranged on the side surface where the view finding hole 13 is arranged, so that external light is incident on the infrared monitoring device 2 after being focused by the optical lens 3. The infrared monitoring device 2 comprises an infrared sensor 22 and a processor 21, wherein the processor 21 is connected with an external switch through a network cable, and in the embodiment, an uncooled vanadium oxide detector is preferably adopted as the infrared sensor 22. The infrared rays collected by the optical lens 3 are received by the infrared sensor 22, converted into digital signals by the processor 21, transmitted to the exchanger and sent to the main server for subsequent intelligent processing analysis.
As shown in fig. 3, in this embodiment, a plurality of attenuation lenses 32 are disposed inside the optical lens 3, and the attenuation lenses 32 can attenuate the intensity of the passing light, so as to avoid damage caused by irradiation of high-intensity infrared rays on the infrared sensor 22. Preferably, the optical lens 3 has a cone-shaped structure, one end of the optical lens 3 with a larger diameter faces outwards for finding a view, a connecting plate 31 is arranged outside the end face of the end with a smaller diameter, and the connecting plate 31 is detachably connected with one side of the housing 1, provided with the view finding hole 13. In this way, the optical lenses 3 can be simply replaced, so that different numbers of optical lenses 3 can be built in to meet the monitoring requirements of different temperatures.
Example 2:
As shown in fig. 4, the rest of the present embodiment is the same as that of embodiment 1, except that: the inner shell 12 is further provided with a plurality of adjusting holes, the adjusting holes are covered with flexible connecting pieces 7, the flexible connecting pieces 7 completely seal the adjusting holes, and the flexible connecting pieces 7 are flexible structures protruding towards the inner part of the outer shell 1, so that the flexible connecting pieces can be tightly attached to the surface of the infrared monitoring device 2.
The surface area of the inner shell 12 is enlarged through the flexible connecting sheet 7, so that the inner shell can extend towards the inner side, and then the inner shell is clung to the surface of the infrared monitoring device 2, and the inner shell is also cooled while isolating the external temperature, so that the work of the infrared monitoring device 2 is better maintained.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (7)
1. A thermal imaging camera for a sodium hexametaphosphate furnace, characterized by: the infrared monitoring device is arranged in the shell and the optical lens is arranged outside the shell, the shell is of a double-layer shell structure and comprises an outer shell and an inner shell, a space for liquid to pass through is reserved between the outer shell and the inner shell, a water inlet and a water outlet are respectively formed in one side surface of the shell, the water inlet is connected with a water pump, and the water outlet is connected to a drainage tank;
The shell is provided with a view finding hole on one side surface opposite to the water inlet hole and the water outlet hole, the infrared monitoring device is arranged corresponding to the view finding hole, and the optical lens is correspondingly arranged on the side surface where the view finding hole is located, so that external light is incident on the infrared monitoring device after being focused by the optical lens.
2. A thermal imaging camera for a sodium hexametaphosphate furnace as set forth in claim 1, wherein: the shell comprises two half shells which are symmetrical with each other, the two half shells are of square structures, the two half shells are folded to form a shell of a closed structure, and the partition plates are arranged at the connecting edges of the half shells, which are close to one sides of the water inlet holes and the water outlet holes, so that the water inlet holes and the water outlet holes are respectively positioned on the two half shells, and a single-flow-direction passage is formed between the outer shell and the inner shell.
3. A thermal imaging camera for a sodium hexametaphosphate furnace as set forth in claim 2, wherein: the side surfaces of the water inlet hole and the water outlet hole are square surfaces, and the side surfaces of the view finding holes are square surfaces.
4. A thermal imaging camera for a sodium hexametaphosphate furnace as set forth in claim 1, wherein: the optical lens is of a cone-shaped structure, one end of the optical lens with a larger diameter faces outwards and is used for finding a view, a connecting plate is arranged outside the end face of the end with a smaller diameter, and the connecting plate is detachably connected with one side of the shell, provided with a view finding hole.
5. A thermal imaging camera for a sodium hexametaphosphate furnace as set forth in claim 4, wherein: the optical lens is internally provided with a plurality of attenuation lenses, and the attenuation lenses can attenuate the intensity of light passing through.
6. A thermal imaging camera for a sodium hexametaphosphate furnace as set forth in claim 1, wherein: the inner shell is further provided with a plurality of adjusting holes, the adjusting holes are covered with flexible connecting pieces, the flexible connecting pieces completely seal the adjusting holes, and the flexible connecting pieces are of flexible structures protruding towards the inside of the shell, so that the flexible connecting pieces can be clung to the surface of the infrared monitoring device.
7. A thermal imaging camera for a sodium hexametaphosphate furnace as set forth in claim 1, wherein: the infrared monitoring device comprises an infrared sensor and a processor, and the processor is connected with an external switch through a network cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673451.9U CN220853880U (en) | 2023-09-28 | 2023-09-28 | Thermal imaging camera for sodium hexametaphosphate melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673451.9U CN220853880U (en) | 2023-09-28 | 2023-09-28 | Thermal imaging camera for sodium hexametaphosphate melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853880U true CN220853880U (en) | 2024-04-26 |
Family
ID=90771107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322673451.9U Active CN220853880U (en) | 2023-09-28 | 2023-09-28 | Thermal imaging camera for sodium hexametaphosphate melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853880U (en) |
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2023
- 2023-09-28 CN CN202322673451.9U patent/CN220853880U/en active Active
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