CN220745462U - Intelligent slag scraping remote monitoring equipment for oily sewage air floatation tank - Google Patents
Intelligent slag scraping remote monitoring equipment for oily sewage air floatation tank Download PDFInfo
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- CN220745462U CN220745462U CN202321047637.7U CN202321047637U CN220745462U CN 220745462 U CN220745462 U CN 220745462U CN 202321047637 U CN202321047637 U CN 202321047637U CN 220745462 U CN220745462 U CN 220745462U
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- 239000002893 slag Substances 0.000 title claims abstract description 94
- 238000007790 scraping Methods 0.000 title claims abstract description 66
- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 239000010865 sewage Substances 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 230000000007 visual effect Effects 0.000 claims description 13
- 238000012806 monitoring device Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 208000005374 Poisoning Diseases 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 206010019345 Heat stroke Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Removal Of Floating Material (AREA)
Abstract
The utility model provides a slag remote monitoring equipment is scraped to oily water air supporting pond intelligence, inside slag scraping machine, dross liquid level, water level, regulating weir pond and the slag notch of being equipped with of air supporting pond, be equipped with water weir plate between water level and the regulating weir pond, dross liquid level and water level top all be equipped with the viewing aperture, the viewing aperture in all be equipped with the caliber, the caliber include dross position caliber and water level caliber, dross caliber, slag scraping machine and water weir plate all link to each other with control system, dross caliber and water level caliber all be equipped with float liquid level meter, radar liquid level meter, laser liquid level meter and industrial camera, such form can need not the manual work and control the slag scraping subassembly in the air supporting pond of manual work or automation, still improved the security when reducing the human cost to can also long-range automatic control and remote monitoring.
Description
Technical Field
The utility model belongs to the technical field of slag scraping of an air floatation tank, and particularly relates to intelligent slag scraping remote monitoring equipment for an oily sewage air floatation tank.
Background
Along with the continuous promotion of the treatment of the Chinese atmospheric environment, particularly the expansion of VOC management and control work of petroleum and petrochemical enterprises, the floatation tank of the refinery is changed from an open device into a closed device with a sealing cover. This brings certain operational difficulties and personnel safety risks for the gas dross scraping operation.
During the slag scraping operation, operators need to observe the residual condition of the scum in the air floatation tank after being scraped, and constantly adjust the water outlet weir plate in time so as to enable the scum to slowly float upwards along with the slow rising of the water level, the position of the scum scraper blade of the slag scraper is reached, the slag scraping is smoothly carried out, meanwhile, the slag scraping progress and the completion condition are continuously observed, once the slag scraping operation is stopped, and the water outlet weir plate is reduced.
At present, when in slag scraping operation, operators need to observe the slag scraping process and effect by opening a closed observation port on the air floatation tank so as to adjust the water outlet weir plate according to the slag scraping process. Because toxic gases such as H2S and the like exist in the closed floatation tank, operators must wear a gas mask and an oxygen bottle for preventing poisoning during observation, and in hot summer, the risk of heatstroke of the operators exists.
Therefore, the slag scraping operation of the floatation tank has the common problems that the working time of operators in places where toxic gases exist is long, the poisoning risk of the operators is high, the labor intensity is high and the like.
Disclosure of Invention
In order to solve the problem, this paper provides a slag remote monitering equipment is scraped to oily sewage air supporting pond intelligence, and the air supporting pond is inside to be equipped with and scrapes sediment machine, dross liquid level, water liquid level, regulating weir pond and slag notch, is equipped with the water weir plate between water liquid level and the regulating weir pond, dross liquid level and water liquid level top all be equipped with the viewing aperture, the viewing aperture in all be equipped with the caliber, the caliber include dross position caliber and water level caliber, the dross position caliber establish in dross liquid level top, the water level caliber establish in water liquid level top, dross position caliber, water level caliber, scrape sediment machine and water weir plate all link to each other with control system, dross position caliber and water level caliber all be equipped with float liquid level meter, radar liquid level meter, laser liquid level meter and industrial camera, through set up the caliber in the viewing aperture of original air supporting pond for detect the liquid level data of dross in the air supporting pond and the liquid level data of water, thereby can confirm the thickness in the air supporting pond through the contrast calculation of both data, thereby be used for judging whether to start up the dross machine or automatic start-up water weir plate, dross position measurer, water level measurer, slag position measurer, water level measurer, and water level measurer all link to be equipped with control system, and float position can be carried out by the remote control simultaneously.
The inside of the air floatation tank is transversely and sequentially provided with a scum liquid level, a water liquid level and an adjusting weir tank, a slag notch is arranged between the scum liquid level and the water liquid level, a water weir plate is arranged between the water liquid level and the adjusting weir tank, and a scum scraper is transversely arranged inside the scum liquid level.
The slag scraping machine is arranged on the upper portion of the liquid level of the scum, a scum position measurer is arranged above the slag inlet end of the slag scraping machine, a slag groove is formed in the slag outlet end of the slag scraping machine, the slag scraping machine is fixedly connected with the inside of the air floatation tank, the slag scraping machine scrapes and cleans the scum in the liquid level of the floating bed through data obtained by the measurer, manual control is not needed, automatic slag scraping can be achieved, the height of the liquid level of the scum can be adjusted through controlling a water weir plate through measuring data, and therefore stability of slag scraping of the slag scraping machine is guaranteed, and the situation that the scum is too high or too low to scrape cannot occur is avoided.
The scum position caliber and the water level caliber are arranged on the inner side of the observation opening, the scum position caliber and the water level caliber are sealed and connected with the observation opening, the sealed arrangement of the caliber is arranged on the inner side of the observation opening originally, the inner seal of the air floatation tank is ensured, the air leakage is prevented, and meanwhile, the air floatation tank is not required to be additionally perforated, and the transformation cost is low.
The water weir plate top is equipped with the lifting motor, the lifting motor establish at the top of air supporting pond, the bottom of lifting motor runs through the air supporting pond and links to each other with the water weir plate.
The control system is internally provided with a visual platform interface, and the visual platform interface is internally provided with an air floatation tank internal data area, a scum height data area, a water level height data area, a real-time image area and a scum thickness change table area, and the condition in the air floatation tank can be observed remotely and in real time through the visual platform interface of the control system, so that a control person can conveniently observe the real-time condition remotely, and timely response is made to an emergency.
The beneficial effects are that:
through set up the caliber in the viewing aperture of original air supporting pond for detect the liquid level data of the interior dross of air supporting pond and the liquid level data of water, thereby can confirm the dross thickness in the air supporting pond through the contrast calculation of both data, thereby be used for judging whether start the sediment machine of scraping or start the water weir plate, such form can need not the manual work and observe just can control the sediment subassembly of scraping in the air supporting pond of long-range manual work or automatic, still improved the security when reducing the human cost, and can also remote automatic control and remote monitoring.
The scum in the floating bed liquid level is scraped through the obtained data of caliber by the scum scraper, manual control is not needed, automatic scum scraping can be realized, and the height of the scum liquid level can be adjusted by controlling the water weir plate through measurement data, so that the stability of scum scraping of the scum scraper is ensured, and the situation that the scum is too high or too low to scrape is avoided.
Through with the sealed setting of caliber in the viewing aperture inboard that originally is equipped with, when guaranteeing that the inside seal of air supporting pond prevents gas leakage, still need not to additionally carry out the trompil on the air supporting pond, reform transform with low costs.
The condition inside the air floatation tank can be observed remotely and in real time through the visual platform interface of the control system, so that a control person can conveniently observe the real-time condition remotely, and timely response is made to the emergency.
Drawings
FIG. 1 is a schematic diagram of an intelligent slag scraping remote monitoring device for an oily sewage floatation tank;
in the figure; 1. the device comprises an air floatation tank, 2, a scum liquid level, 3, a water liquid level, 4, an adjusting weir tank, 5, a slag chute, 6, a scum position measurer, 7, a scum scraping machine, 8, a water level measurer, 9 and a water weir plate.
Detailed Description
In order to enhance the understanding of the present utility model, the present utility model will be further described in detail with reference to the following examples and drawings, which are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.
1 air floatation tank, 2 scum liquid level, 3 water liquid level, 4 regulating weir pond, 5 slag notch, 6 scum position caliber, 7 slag scraper, 8 water level measurer, 9 water weir plate.
As shown in fig. 1;
an intelligent slag scraping remote monitoring device for an oily sewage air floatation tank is provided with a slag scraping machine 7, a slag liquid level 2, a water liquid level 3, an adjusting weir tank 4 and a slag groove 5 in the air floatation tank 1, a water weir plate 9 is arranged between the water liquid level 3 and the adjusting weir tank 4, observation ports are arranged above the slag liquid level 2 and the water liquid level 3, measuring devices are arranged in the observation ports, each measuring device comprises a slag position measuring device 6 and a water level measuring device 8, the slag position measuring device 6 is arranged above the slag liquid level 2, the water level measuring device 8 is arranged above the water liquid level 3, the slag position measuring device, the water level measuring device 8, the slag scraping machine 7 and the water weir plate 9 are connected with a control system, the slag position measuring device and the water level measuring device 8 are provided with a float liquid level meter, a radar liquid level meter, a laser liquid level meter and an industrial camera, the inside of the air floatation tank 1 is transversely provided with a scum liquid level 2, a water liquid level 3 and an adjusting weir tank 4 in sequence, a slag notch 5 is arranged between the scum liquid level 2 and the water liquid level 3, a water weir plate 9 is arranged between the water liquid level 3 and the adjusting weir tank 4, the inside of the scum liquid level 2 is transversely provided with a scum scraping machine 7, the scum scraping machine 7 is arranged at the upper part of the scum liquid level 2, a scum position measurer 6 is arranged above the slag inlet end of the scum scraping machine 7, the slag notch 5 is arranged at the slag outlet end of the scum scraping machine 7, the scum scraping machine 7 is fixedly connected with the inside of the air floatation tank 1, the scum position measurer and the water level measurer 8 are all arranged at the inner side of an observation port, the scum position measurer and the water level measurer 8 are hermetically connected with the observation port, a visual platform interface is arranged in a control system, and the visual platform interface is internally provided with an internal data area of the air floatation tank 1, a scum height data area, a water level data area and the like A real-time image area and a dross thickness variation table area.
Implementation examples;
the measurement of the scum thickness is achieved by measuring the difference between the distance of the water level 3 to the level meter and the distance of the scum level 2 to the level meter (all level meters are set at the same detection level).
The specific scheme is as follows: a group of field instruments meeting the field explosion protection requirement are intensively installed at an upper observation port of a release area of the air floatation tank 1 by utilizing a sealing cover plate, namely a radar liquid level detection transmitter (LT 1), a laser liquid level detection transmitter (LT 3) and a float liquid level detection transmitter (LT 5), and the distance from the scum liquid level 2 to the top end is measured; a group of field instruments, namely a radar liquid level detection transmitter (LT 2), a laser liquid level detection transmitter (LT 4) and a float liquid level detection transmitter (LT 6), are also arranged on the upper part observation port cover plate of the water outlet area in front of the water outlet weir plate 9, and the distance from the water liquid level 3 to the top end is measured. The differences (LT 2-LT 1), (LT 4-LT 3) and (LT 5-LT 4) are all scum thicknesses. Through comparative study, the accuracy and precision of the dross thickness measurement by three different types of meters are examined.
Slag scraping start
Selecting a group of measured scum thickness signals, comparing the signals with a setting value (set by an on-site operator according to operation experience) of scum starting, if the measured scum thickness reaches the set scum thickness, such as 20cm, sending out an audible and visual alarm prompt signal of the operation of the scum scraper 7, and confirming the scum thickness by the operator; or after 5 minutes of audible and visual alarm prompt signals, automatically sending signals to the weir plate lifting electric actuating mechanism, and starting the slag scraper 7 to work.
Slag scraping process
After the scum scraper 7 is started, as the scum on the upper part is scraped, the thickness of the scum is thinner, the scum scraper can not reach the top of the scum and can not contact the scum, and at the moment, the water outlet weir plate 9 is lifted to lift the scum, so that whether the scum scraper scrapes the scum is ensured, and the phenomenon that the scum scraper 7 without a scum scraping effect idles and causes unnecessary consumption of electric energy is avoided.
Judging and detecting completion of slag scraping
After the slag scraping is finished, the detection and judgment are carried out in two ways. Firstly, the values of the scum thicknesses (LT 2-LT 1), (LT 4-LT 3) and (LT 5-LT 4) are close to zero or small (the values are set by operators according to actual conditions in situ), which means that the scum is basically scraped; and secondly, the two industrial cameras (VS 1) and (VS 2) are arranged at the upper part of the floatation tank 1. After the slag scraping is finished, black scum is basically disappeared, milky water appears, or milky water and discontinuous scum exist on the water surface, and the slag scraping is considered to be finished. By adopting the industrial camera, the human eyes are replaced to judge the slag scraping effect and the slag scraping end. Considering the influence and visual limitation under severe environment, two sets of liquid level judgment from different visual angles are installed. The industrial camera is associated with a slag scraper 7 start and stop signal, which only starts the industrial camera when the slag scraping operation is performed. The explosion-proof LED light source is also intensively arranged on the sealing cover plate of the upper observation port.
Explosion-proof industrial camera monitoring
The video image observed by human eyes of a site operator is replaced and transmitted to a visual platform interface in real time through an industrial camera, and the whole slag scraping process is monitored in place of the running state of human eyes.
In order to compare, verify, monitor and identify the effect, in this research and development project, the gathering data of the video image include the thermal infrared video image data and visible light video image data. The network transmission is connected with the switch in an RJ45 mode and uploaded to the control server through the local area network for data analysis and storage. The control server analyzes the collected image data and generates a video image, and for the thermal feedback of different objects (scum or water), the video image and related data are obtained in real time at the interface of the digital management platform, and the video monitoring picture can be transmitted to the Web terminal platform for previewing in real time through the RTSP protocol or the Onvif protocol. The monitoring video is transmitted to the NVR in real time through a video protocol, the NVR is provided with a monitoring hard disk to realize 7 x 24 hours of all-weather video storage, and the management platform can call the video monitoring video in real time through the video protocol to review and play.
Stopping slag scraping machine 7
The values of the dross thicknesses (LT 2-LT 1), (LT 4-LT 3) and (LT 5-LT 4) are close to zero or small (the values are empirically set by the operator in the field) and at the same time the dross scraping machine 7 is stopped by judging the dross scraping condition by means of the video image signal of the industrial camera.
Restoring water outlet weir plate 9
After the slag scraping is finished, the slag scraper 7 is closed, an adjusting structure of the water outlet weir plate 9 is started, and the water outlet weir plate 9 is slowly lowered to an initial position. Waiting for accumulation of air scum, automatically detecting, and starting the next scum scraping cycle.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The intelligent slag scraping remote monitoring equipment for the oily sewage air floatation tank is characterized in that a slag scraping machine, a slag liquid level, a water liquid level, an adjusting weir tank and a slag notch are arranged in the air floatation tank, a water weir plate is arranged between the water liquid level and the adjusting weir tank, an observation port is formed in the slag liquid level and the water liquid level, a measurer is arranged in the observation port, the measurer comprises a slag position measurer and a water level measurer, the slag position measurer is arranged above the slag liquid level, the water level measurer is arranged above the water liquid level, the slag position measurer, the water level measurer, the slag scraping machine and the water weir plate are all connected with a control system, and the slag position measurer, the water level measurer, the radar liquid level meter, the laser liquid level meter and an industrial camera are all arranged.
2. The intelligent slag scraping remote monitoring device for the oily sewage air floatation tank, as set forth in claim 1, wherein the air floatation tank is internally and transversely provided with a scum liquid level, a water liquid level and an adjusting weir tank in sequence, a slag notch is arranged between the scum liquid level and the water liquid level, a water weir plate is arranged between the water liquid level and the adjusting weir tank, and a slag scraper is transversely arranged inside the scum liquid level.
3. The intelligent slag scraping remote monitoring device for the oil-containing sewage air floatation tank of claim 1, wherein the slag scraping machine is arranged on the upper portion of a slag liquid level, a slag position measurer is arranged above a slag inlet end of the slag scraping machine, a slag groove is arranged at a slag outlet end of the slag scraping machine, and the slag scraping machine is fixedly connected with the inside of the air floatation tank.
4. The intelligent slag scraping remote monitoring device for the oily sewage floatation tank of claim 1, wherein the scum level measurer and the water level measurer are arranged on the inner side of the observation port, and are hermetically connected with the observation port.
5. The intelligent slag scraping remote monitoring device for the oily sewage air floatation tank of claim 1, wherein the lifting motor is arranged at the top of the water weir plate, the lifting motor is arranged at the top of the air floatation tank, and the bottom of the lifting motor penetrates through the air floatation tank and is connected with the water weir plate.
6. The intelligent slag scraping remote monitoring device for the oil-containing sewage air floatation tank of claim 1, wherein a visual platform interface is arranged in the control system, and an air floatation tank internal data area, a scum height data area, a water level height data area, a real-time image area and a scum thickness change table area are arranged in the visual platform interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047637.7U CN220745462U (en) | 2023-05-04 | 2023-05-04 | Intelligent slag scraping remote monitoring equipment for oily sewage air floatation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047637.7U CN220745462U (en) | 2023-05-04 | 2023-05-04 | Intelligent slag scraping remote monitoring equipment for oily sewage air floatation tank |
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| Publication Number | Publication Date |
|---|---|
| CN220745462U true CN220745462U (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321047637.7U Active CN220745462U (en) | 2023-05-04 | 2023-05-04 | Intelligent slag scraping remote monitoring equipment for oily sewage air floatation tank |
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| Country | Link |
|---|---|
| CN (1) | CN220745462U (en) |
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2023
- 2023-05-04 CN CN202321047637.7U patent/CN220745462U/en active Active
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