CN112196050A - Automatic drainage system for cable channel of transformer substation - Google Patents
Automatic drainage system for cable channel of transformer substation Download PDFInfo
- Publication number
- CN112196050A CN112196050A CN202011034360.5A CN202011034360A CN112196050A CN 112196050 A CN112196050 A CN 112196050A CN 202011034360 A CN202011034360 A CN 202011034360A CN 112196050 A CN112196050 A CN 112196050A
- Authority
- CN
- China
- Prior art keywords
- image data
- tank
- pump
- data processor
- hydrological
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/18—Tanks for disinfecting, neutralising, or cooling sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses an automatic drainage system for a cable channel of a transformer substation, which comprises a hydrologic image data receiving device, a data processor, a memory, a real-time hydrologic image data transmission device, a network camera, a water level sensor, a drainage pump driving unit and a drainage pump, wherein the hydrologic image data receiving device is connected with the data processor; the data processor is electrically connected with the hydrological image data receiving device, the data processor is connected with the memory, the network camera is arranged in a cable channel and is connected with the real-time hydrological image data transmission device, and the real-time hydrological image data transmission device is connected with the hydrological image data receiving device through a data link; the water level sensor is arranged at the lower part of the cable channel, one end of the drainage pump driving unit is connected with the data processor, and the other end of the drainage pump driving unit is connected with the drainage pump. The automatic operation of the inspection is greatly convenient, the inspection work is improved, the working efficiency is improved, and the labor intensity is reduced.
Description
Technical Field
The invention relates to the field of power distribution operation and maintenance, in particular to an automatic drainage system for a cable channel of a transformer substation.
Background
In the annual flood season, the current mode of using a water pump to pump and drain water in a cable channel of a transformer substation is low in efficiency and generates a large amount of cost (traffic, manpower and the like). Due to the randomness of flood season, water cannot be drained in time, so that the insulation of facilities such as cables and the like is reduced due to the fact that the facilities are soaked in water, and accidents are caused.
Disclosure of Invention
The invention aims to solve the technical problem that in the prior art, the insulation of cables and other facilities is reduced due to the fact that water cannot be drained in time and the facilities are soaked in water, so that accidents are caused.
The technical scheme adopted by the invention for solving the technical problems is as follows: an automatic drainage system of a cable channel of a transformer substation comprises a hydrological image data receiving device, a data processor, a memory, a real-time hydrological image data transmission device, a network camera, a water level sensor, a drainage pump driving unit and a drainage pump; the data processor is electrically connected with the hydrological image data receiving device, the data processor is connected with the memory, the network camera is arranged in a cable channel and is connected with the real-time hydrological image data transmission device, and the real-time hydrological image data transmission device is connected with the hydrological image data receiving device through a data link; the water level sensor is arranged at the lower part of the cable channel, one end of the drainage pump driving unit is connected with the data processor, and the other end of the drainage pump driving unit is connected with the drainage pump. The invention provides a cable well inspection system for cable well inspection operation, which performs wired and wireless transmission and reception on data in dynamic inspection and static inspection; the data processor processes the acquired image and the environmental information through the processing module and the analysis module according to a preset data processing mode; the memory is used for compressing the processed images and environment information to perform time power-saving storage; the system can uniformly acquire and process data of cable well inspection, realizes inspection automation operation, greatly facilitates inspection work, improves working efficiency and reduces labor intensity; meanwhile, a virtual water level red line arranged in the camera is convenient for the data processor to pre-judge in combination with the water level sensor, so that the idle running of the water pump system after the instruction is issued is prevented from burning the motor.
As a further improvement of the technical scheme, the data processor is connected with the memory through an m-SATA interface data line.
As a further improvement of the above technical solution, the data processor includes two parts, namely a processing module and an analysis module, the received hydrological image information is classified and processed by the processing module, the analysis module performs time point comparison and calling on the classified data, the data processor is a computer and has a display for displaying the uploaded data in a classified manner, and the data processor further includes image processing software and environmental information processing software.
As a further improvement of the above technical solution, the water level sensor is a sieve-shaped humidity sensor for sensing the water level in the cable channel and feeding back the water level to the data processor in real time, and the data processor performs data analysis by combining the processing module and the analysis module with the real-time hydrological image data transmission/reception device.
As a further improvement of the above technical solution, the memory is a hard disk storage, and includes: the device comprises a compression module and a storage module; the compression module is used for compressing images, environment information and the like which need to be stored; and the storage module is used for storing the compressed images, the environment information and the like.
As a further improvement of the technical scheme, the drainage pump has a drainage function for a 380V alternating current asynchronous motor.
As a further improvement of the above technical solution, an MBR treatment device is connected to a water outlet of the drain pump; the MBR treatment device comprises an acidification tank, an MBR tank, a water outlet pump, a dosing tank and an air blower; the water outlet of the drainage pump is communicated with the acidification tank, the MBR tank is communicated with the acidification tank, the water outlet pump is communicated with the MBR tank, the dosing tank is connected with the front end of the water outlet pump through a pipeline, the air blower is arranged at the bottom of the MBR tank, a sludge return pipeline is arranged between the MBR tank and the acidification tank, and a sludge pump is arranged on the sludge return pipeline; when the device is used, the wastewater enters the acidification tank through the water outlet of the drainage pump, the acidification tank is used for denitrification, and the denitrifying bacteria are used for reducing nitro groups to generate Na by utilizing organic matters in the wastewater. After entering an MBR tank from the acidification tank, further purifying under the action of aerobic microorganisms, and realizing sludge-water separation by an MBR component; the sewage after the MBR tank is discharged after the disinfection treatment of the dosing tank, so that the discharge of the sewage discharged by the automatic drainage system of the transformer substation cable channel can be ensured after the sewage enters the treatment tank, and the sewage treatment rate and the comprehensive treatment efficiency are effectively improved.
Compared with the prior art, the invention has the beneficial effects that:
the system has the advantages that the equipment safety is influenced by the accumulated water in the cable channel of the transformer substation, and the maintenance cost is saved by a manual-free full-automatic drainage mode;
the system has an artificial intelligence mode, and hydrological image information and sensor alarm information can be systematically pre-judged for accumulated water in the channel through the data processor, so that the defect of low idling burning efficiency of the motor caused by mistaken instruction is effectively avoided.
The device can drain accumulated water in the cable channel in time in the flood season, so that the phenomena of burning of the device and the like can be effectively avoided.
Drawings
FIG. 1 is a schematic structural diagram of an automatic drainage system for a cable channel of a transformer substation according to the present invention;
FIG. 2 is a schematic diagram illustrating a structural use state of an automatic drainage system for a cable trench of a transformer substation according to the present invention;
FIG. 3 is a schematic diagram of the MBR processing device.
In the figure: 1-a hydrologic image data receiving device; 2-a data processor; 3-a memory; 4-real-time hydrology image data transmission device; 5-a network camera; 6-a water level sensor; 7-drain pump drive unit; 8, draining the pump; 9-an acidification tank; 10-MBR tank; 11-a water outlet pump; 12-a dosing box; 13-a blower; 14-sludge pump.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, the present application provides an automatic drainage system for a cable trench of a transformer substation, which includes a hydrologic image data receiving device 1, a data processor 2, a memory 3, a real-time hydrologic image data transmission device 4, a network camera 5, a water level sensor 6, a drainage pump driving unit 7 and a drainage pump 8; the data processor 2 is electrically connected with the hydrological image data receiving device 1, the data processor 2 is connected with the memory 3, the network camera 5 is arranged in a cable channel and is connected with the real-time hydrological image data transmission device 4, and the real-time hydrological image data transmission device 4 is connected with the hydrological image data receiving device 1 through a data link; the water level sensor 6 is disposed at a lower position of the cable channel, one end of the drain pump driving unit 7 is connected to the data processor 2, and the other end of the drain pump driving unit 7 is connected to the drain pump 8.
When the device is used, the network camera 5 monitors the electric power channel in real time, uploads data in real time by connecting the real-time hydrologic image data transmission device 4, the real-time hydrologic image data transmission device 4 uploads the data to the hydrologic image data receiving device 1 for receiving through a data link, when water level sensor 6 is not in the water level sensor, the sensor acts to send out alarm command to data processor 2, the data processor 2 receives the hydrological image data collected by the real-time hydrological image data transmission device 4 and the hydrological image data receiving device 1 and the water level information of the cable channel of the transformer substation, when the water level shot by the network camera reaches the position of the self-contained simulated red line and the water level sensor is started, the data processor 2 sends a drainage instruction to the drainage pump driving unit 7, the drainage pump driving unit 7 controls the drainage pump 8 to be turned on through a control switch composed of a relay circuit switch; the invention provides a cable well inspection system for cable well inspection operation, which performs wired and wireless transmission and reception on data in dynamic inspection and static inspection; the data processor processes the acquired image and the environmental information through the processing module and the analysis module according to a preset data processing mode; the memory is used for compressing the processed images and environment information to perform time power-saving storage; the system can uniformly acquire and process data of cable well inspection, realizes inspection automation operation, greatly facilitates inspection work, improves working efficiency and reduces labor intensity; meanwhile, a virtual water level red line arranged in the camera is convenient for the data processor to pre-judge in combination with the water level sensor, so that the idle running of the water pump system after the instruction is issued is prevented from burning the motor.
Specifically, the data processor 2 is connected to the memory 3 through an m-SATA interface data line.
The data processor 2 comprises a processing module and an analysis module, received hydrological image information is classified and processed through the processing module, the analysis module compares and calls classified data at time points, the data processor 2 is a computer and is provided with a display for displaying uploaded data in a classified mode, and the data processor 2 further comprises image processing software and environment information processing software.
The water level sensor 6 is a screen-shaped humidity sensor and is used for sensing the water level in the cable channel and feeding back the water level to the data processor 2 in real time, and the data processor 2 performs data analysis by combining a processing module and an analysis module with a real-time hydrology image data transmission/receiving device.
The memory 3 is a hard disk storage, which includes: the device comprises a compression module and a storage module; the compression module is used for compressing images, environment information and the like which need to be stored; and the storage module is used for storing the compressed images, the environment information and the like.
The drainage pump 8 has a drainage function for a 380V alternating current asynchronous motor.
In the above embodiment, an MBR treatment device is connected to a water outlet of the drain pump 8; the MBR treatment device comprises an acidification tank 9, an MBR tank 10, a water outlet pump 11, a dosing tank 12 and an air blower 13; the water outlet of the drainage pump 8 is communicated with an acidification tank 9, the MBR tank 10 is communicated with the acidification tank 9, the water outlet pump 11 is communicated with the MBR tank 10, the dosing tank 12 is connected with the front end of the water outlet pump 11 through a pipeline, the air blower 13 is arranged at the bottom of the MBR tank 10, a sludge return pipeline is arranged between the MBR tank 10 and the acidification tank 9, and a sludge pump 14 is arranged on the sludge return pipeline; when the device is used, the wastewater enters the acidification tank through the water outlet of the drainage pump 8, the acidification tank is used for denitrification, and the denitrifying bacteria are used for reducing nitro groups to generate Na by utilizing organic matters in the wastewater. After entering an MBR tank from the acidification tank, further purifying under the action of aerobic microorganisms, and realizing sludge-water separation by an MBR component; the sewage after the MBR tank is discharged after the disinfection treatment of the dosing tank 12, so that the discharge of the sewage discharged by the automatic drainage system of the transformer substation cable channel can be ensured after the sewage enters the treatment tank, and the sewage treatment rate and the comprehensive treatment efficiency are effectively improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The automatic drainage system for the cable channel of the transformer substation is characterized by comprising a hydrologic image data receiving device (1), a data processor (2), a memory (3), a real-time hydrologic image data transmission device (4), a network camera (5), a water level sensor (6), a drainage pump driving unit (7) and a drainage pump (8); the data processor (2) is electrically connected with the hydrological image data receiving device (1), the data processor (2) is connected with the memory (3), the network camera (5) is arranged in a cable channel and is connected with the real-time hydrological image data transmission device (4), and the real-time hydrological image data transmission device (4) is connected with the hydrological image data receiving device (1) through a data link; the water level sensor (6) is arranged at the lower part of the cable channel, one end of the drainage pump driving unit (7) is connected with the data processor (2), and the other end of the drainage pump driving unit (7) is connected with the drainage pump (8).
2. A substation cable trench automatic drainage system according to claim 1, characterized in that the data processor (2) and the memory (3) are connected by an m-SATA interface data line.
3. The automatic drainage system of the substation cable channel according to claim 2, wherein the data processor (2) comprises a processing module and an analysis module, the received hydrological image information is classified and processed through the processing module, and the analysis module compares and calls the classified data at time points.
4. A substation cable trench automatic drainage system according to claim 1, characterized in that the water level sensor (6) is a sieve-like humidity sensor.
5. A substation cable trench automatic drainage system according to claim 2, characterized in that the memory (3) is a hard disk memory comprising: the device comprises a compression module and a storage module; the compression module is used for compressing the images and the environment information to be stored; and the storage module is used for storing the compressed images and the environment information.
6. A substation cable trench automatic drainage system according to claim 1, characterized in that the drain pump (8) is a 380V ac asynchronous machine.
7. The automatic drainage system of a substation cable trench according to claim 1, characterized in that an MBR processing device is connected to the water outlet of the drainage pump (8).
8. The automatic drainage system of a substation cable trench according to claim 7, characterized in that the MBR treatment device comprises an acidification tank (9), an MBR tank (10), a water outlet pump (11), a dosing tank (12) and a blower (13); the water outlet of the drainage pump (8) is communicated with the acidification tank (9), the MBR tank (10) is communicated with the acidification tank (9), the water outlet pump (11) is communicated with the MBR tank (10), the dosing tank (12) is connected with the front end of the water outlet pump (11) through a pipeline, and the air blower (13) is arranged at the bottom of the MBR tank (10).
9. The automatic drainage system of a substation cable channel according to claim 8, characterized in that a sludge return pipe is arranged between the MBR tank (10) and the acidification tank (9), and a sludge pump (14) is arranged on the sludge return pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011034360.5A CN112196050A (en) | 2020-09-27 | 2020-09-27 | Automatic drainage system for cable channel of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011034360.5A CN112196050A (en) | 2020-09-27 | 2020-09-27 | Automatic drainage system for cable channel of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112196050A true CN112196050A (en) | 2021-01-08 |
Family
ID=74006798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011034360.5A Pending CN112196050A (en) | 2020-09-27 | 2020-09-27 | Automatic drainage system for cable channel of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112196050A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113326812A (en) * | 2021-07-01 | 2021-08-31 | 安徽金晥泵业科技股份有限公司 | Regional burst regulation and storage treatment drainage system based on internet |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001228008A (en) * | 2000-02-17 | 2001-08-24 | Shima Giken Kk | Drainage with water level detector |
| CN104264771A (en) * | 2014-09-29 | 2015-01-07 | 深圳市建设（集团）有限公司 | Urban inland inundation beforehand emergency disposal method and inland inundation beforehand emergency disposal system |
| CN204228231U (en) * | 2014-12-11 | 2015-03-25 | 国家电网公司 | A kind of 110kV substation cable layer Level monitor |
| CN108318101A (en) * | 2017-12-26 | 2018-07-24 | 北京市水利自动化研究所 | Water gauge water level video intelligent monitoring method based on deep learning algorithm and system |
| CN108415275A (en) * | 2018-01-31 | 2018-08-17 | 国网上海市电力公司 | A kind of remote monitoring system suitable for transformer station water drainage pump |
| CN110374853A (en) * | 2019-08-09 | 2019-10-25 | 南京电力设计研究院有限公司 | A kind of substation's sump draining pump intelligence control system |
| CN209854901U (en) * | 2019-03-28 | 2019-12-27 | 李东亮 | Water level monitoring and draining device for cable trench of transformer substation |
| CN110745947A (en) * | 2018-07-24 | 2020-02-04 | 江苏皇冠鸟生物科技股份有限公司 | Integrated sewage treatment device |
| CN111292371A (en) * | 2020-02-21 | 2020-06-16 | 廖赟 | Intelligent water level detection equipment, intelligent water level monitoring management device and detection method |
-
2020
- 2020-09-27 CN CN202011034360.5A patent/CN112196050A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001228008A (en) * | 2000-02-17 | 2001-08-24 | Shima Giken Kk | Drainage with water level detector |
| CN104264771A (en) * | 2014-09-29 | 2015-01-07 | 深圳市建设（集团）有限公司 | Urban inland inundation beforehand emergency disposal method and inland inundation beforehand emergency disposal system |
| CN204228231U (en) * | 2014-12-11 | 2015-03-25 | 国家电网公司 | A kind of 110kV substation cable layer Level monitor |
| CN108318101A (en) * | 2017-12-26 | 2018-07-24 | 北京市水利自动化研究所 | Water gauge water level video intelligent monitoring method based on deep learning algorithm and system |
| CN108415275A (en) * | 2018-01-31 | 2018-08-17 | 国网上海市电力公司 | A kind of remote monitoring system suitable for transformer station water drainage pump |
| CN110745947A (en) * | 2018-07-24 | 2020-02-04 | 江苏皇冠鸟生物科技股份有限公司 | Integrated sewage treatment device |
| CN209854901U (en) * | 2019-03-28 | 2019-12-27 | 李东亮 | Water level monitoring and draining device for cable trench of transformer substation |
| CN110374853A (en) * | 2019-08-09 | 2019-10-25 | 南京电力设计研究院有限公司 | A kind of substation's sump draining pump intelligence control system |
| CN111292371A (en) * | 2020-02-21 | 2020-06-16 | 廖赟 | Intelligent water level detection equipment, intelligent water level monitoring management device and detection method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113326812A (en) * | 2021-07-01 | 2021-08-31 | 安徽金晥泵业科技股份有限公司 | Regional burst regulation and storage treatment drainage system based on internet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110488684A (en) | Integrated distributing rural sewage treatment station intelligence control system | |
| CN102701516B (en) | Treatment equipment for recycling car washing waste water and automatic control system | |
| CN204958688U (en) | Rural effluent disposal system | |
| CN211528975U (en) | Intelligent control system for domestic sewage treatment | |
| CN112196050A (en) | Automatic drainage system for cable channel of transformer substation | |
| CN111059649A (en) | Dehumidifier with multifunctional drainage function and drainage method | |
| CN110723789A (en) | Water purification unit management system based on thing networking | |
| CN105133700A (en) | Automatic frequency conversion and pressurization water supply equipment | |
| CN204569665U (en) | A kind of waste water treating and reutilizing device | |
| CN211863412U (en) | Disinfection, sterilization and dust removal device of ventilation system of power plant | |
| CN114584863A (en) | Remote detection control system and control method for sewage treatment | |
| CN211822856U (en) | Dehumidifier with multi-functional drainage | |
| CN220907301U (en) | Intelligent control's distributed sewage treatment plant | |
| CN213085530U (en) | Oil-water isolation device | |
| CN203187493U (en) | Domestic sewage treatment system | |
| CN209853891U (en) | Low fluorine-containing mine water treatment system and equipment | |
| CN209259717U (en) | A kind of environment protection sewage cleaning equipment | |
| CN207331946U (en) | Construction site rainwater comprehensive utilization intelligence dust prevention system | |
| CN213012359U (en) | Bury formula integration intelligence and supply system of returning only | |
| CN205222814U (en) | Integral type fine motion power sewage treatment plant | |
| CN205011581U (en) | Integrated sewage treatment device | |
| CN215592782U (en) | High-efficient sewage integration equipment | |
| CN106933174A (en) | A kind of country sewage wisdom Control management system | |
| CN203855481U (en) | System for recycling water resource of power plant | |
| CN213870221U (en) | Water pump stuffing box water leakage amount real-time online monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210108 |
|
| RJ01 | Rejection of invention patent application after publication |