CN112774453B - Control method of aeration automatic control system for ultrafiltration gas-water mixed membrane equipment - Google Patents
Control method of aeration automatic control system for ultrafiltration gas-water mixed membrane equipment Download PDFInfo
- Publication number
- CN112774453B CN112774453B CN202011509259.0A CN202011509259A CN112774453B CN 112774453 B CN112774453 B CN 112774453B CN 202011509259 A CN202011509259 A CN 202011509259A CN 112774453 B CN112774453 B CN 112774453B
- Authority
- CN
- China
- Prior art keywords
- gas
- water
- aeration
- control module
- logic control
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/22—Controlling or regulating
-
- 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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- 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
- C02F2303/16—Regeneration of sorbents, filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a control method of an aeration automatic control system for ultrafiltration gas-water mixed membrane equipment, the automatic control system comprises a gas flow detection unit, a gas pressure detection unit and a liquid pressure detection unit, whether the system meets the condition of aeration operation or not is judged by detecting and comparing the gas pressure and the liquid pressure through a control module, if not, the control module adjusts the air inflow of an air inlet pipeline, and if not, an alarm is given, so that the problem of system operation is avoided. The invention can realize the aeration automatic operation of the ultrafiltration gas-water mixed membrane equipment, prevent the error from easily occurring in manual operation, and reduce the investment of labor cost.
Description
Technical Field
The invention relates to the technical field of water treatment equipment, in particular to a control method of an aeration automatic control system for ultrafiltration gas-water mixed membrane equipment.
Background
When the external pressure type air-water mixed ultrafiltration membrane is operated, aeration operation is required to be carried out regularly, and bubbles generated by aeration can have a scouring effect on the surface of the ultrafiltration membrane component in the water rising process, so that the pollution and blockage generated during operation of the air-water mixed membrane system can be effectively reduced through the aeration operation.
At present, the conventional aeration means is used for controlling the working pressure of an air compressor, the manual control valve is adopted for preventing the opening of the valve from being aerated, the manual control cannot accurately regulate and control the aeration amount, and then excessive aeration or insufficient aeration is caused, so that the system is quite unfavorable for stable operation, meanwhile, for enterprise production, the labor cost is necessarily increased when a large amount of manpower is input for manual aeration, the unstable aeration control means ensures poor stability of equipment, the frequency and cost of later maintenance are increased, and the water quality of final effluent can be influenced.
Disclosure of Invention
In view of the above, the present invention proposes a control method of an aeration automatic control system for an ultrafiltration gas-water mixed membrane apparatus capable of effectively monitoring and controlling parameters of the aeration apparatus.
The technical scheme of the invention is realized as follows: the invention provides an aeration automatic control system for ultrafiltration gas-water mixed membrane equipment, which comprises ultrafiltration gas-water mixed membrane equipment, wherein a water inlet pipe and an air inlet pipe are communicated with the ultrafiltration gas-water mixed membrane equipment, a proportional control valve is arranged on the air inlet pipe, the aeration automatic control system also comprises an air pressure sensor, a water pressure sensor, an air pressure transmitter, a water pressure transmitter, an A/D converter and a logic control module, the air pressure sensor is arranged in the air inlet pipe, the water pressure sensor is arranged in the ultrafiltration gas-water mixed membrane equipment, the air pressure sensor is in signal connection with the A/D converter through the air pressure transmitter, the water pressure sensor is in signal connection with the A/D converter through the water pressure transmitter, the A/D converter is in signal connection with the logic control module, and the proportional control valve is in signal connection with the A/D converter.
On the basis of the technical scheme, the intelligent air inlet device preferably further comprises a flow sensor and a flow transmitter, wherein the flow sensor is arranged in the air inlet pipe and is in signal connection with the A/D converter through the flow transmitter.
On the basis of the technical scheme, the system also preferably comprises a data transmission module and a data management platform, wherein the A/D converter is in signal connection with the data transmission module, and the data transmission module is in signal connection with the data management platform.
On the basis of the technical scheme, the mobile management system preferably further comprises a mobile management terminal, and the data transmission module is in signal connection with the mobile management terminal.
The invention also provides a control method of the aeration automatic control system for the ultrafiltration gas-water mixed membrane equipment, which comprises the following steps:
when aeration operation is started, a logic control module presets a pressure threshold value P, an air pressure sensor collects air pressure of an air inlet pipeline, a water pressure sensor collects pressure of water in ultrafiltration air-water mixed membrane equipment, the air pressure and the pressure of the water are respectively converted into electric signals, the two pressure electric signals are respectively transmitted to an A/D converter through an air pressure transmitter and a water pressure transmitter to be converted into analog-digital signals, and therefore an analog-digital signal value P1 for measuring the air pressure and an analog-digital signal value P2 for measuring the water pressure are obtained;
step two, a logic control module presets an air inlet flow target value L, a flow sensor collects the flow of air in an air inlet pipe and obtains a flow signal, an A/D converter converts the flow signal into an analog-to-digital signal value L1 of the air flow, and the logic control module adjusts the opening of a control valve according to the preset air inlet flow target value L and the comparison example;
step three, the A/D converter respectively transmits the converted analog-digital signal values P1 and P2 to the logic control module, the logic control module compares P with P1 and P2, and when at least one of P1 and P2 is larger than P, the logic control module alarms;
step four, when both P1 and P2 are not more than P, the logic control module continuously compares P1 and P2, when P1 is more than p2+n, the logic control module performs aeration control according to preset aeration time T, when the aeration time is over, the control proportion adjusting control valve is closed, and when P1 is not more than p2+n, the step five is entered;
step five, the logic control module controls the opening degree of the proportional control valve to be increased, then the step four is repeated, and when the opening degree of the proportional control valve reaches the maximum and p1 is not more than p2+n, the logic control module alarms
Still more preferably, the first step further includes transmitting the analog-to-digital signal value p1 of the measured gas pressure and the analog-to-digital signal value p2 of the measured water pressure to the data management platform and the mobile management terminal, respectively, through the data transmission module.
On the basis of the above technical solution, preferably, step one further includes that the mobile management terminal presets the pressure threshold P for the logic control module through the data transmission module.
On the basis of the above technical solution, preferably, the second step further includes that the analog-to-digital signal value l1 of the gas flow is respectively transmitted to the data management platform and the mobile management terminal through the data transmission module.
On the basis of the above technical solution, preferably, the second step further includes that the mobile management terminal presets the air intake flow target value L for the logic control module through the data transmission module.
On the basis of the technical scheme, in the fourth step, preferably, n is 0.05MPa.
Compared with the prior art, the aeration automatic control system and the control method of the ultrafiltration gas-water mixed membrane equipment have the following beneficial effects:
the control system can realize automatic aeration control and early warning of the air-water mixed membrane equipment, achieves the effect of automatic aeration control through the preset aeration time, pressure threshold and flow threshold, and automatically alarms when the system is in the unsafe operation parameter range, so that the safety is high;
the whole device also adopts a remote data management platform and a mobile management terminal to manage data and control parameters, so that the remote operation and monitoring of operators are realized, and the device is suitable for the development rule of the future big data age;
the control method of the invention can enable the aeration system to work within a preset safety range value, and the system has a corresponding feedback regulation process, can regulate working parameters to be within an allowable range as much as possible for normal work, and can automatically alarm if the requirements are not met.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram of the connection relationship of the aeration automatic control system for the ultrafiltration gas-water mixing membrane apparatus of the present invention.
In the figure: 1-ultrafiltration gas-water mixing membrane equipment, a 2-proportion adjusting control valve, a 3-air pressure sensor, a 4-water pressure sensor, a 5-air pressure transmitter, a 6-water pressure transmitter, a 7-A/D converter, an 8-logic control module, a 9-flow sensor, a 10-flow transmitter, a 11-water inlet pipe, a 12-air inlet pipe, a 13-data transmission module, a 14-data management platform and a 15-mobile management terminal.
Description of the embodiments
The following description of the embodiments of the present invention will clearly and fully describe the technical aspects of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
As shown in fig. 1, the aeration automatic control system for the ultrafiltration gas-water mixed membrane device comprises an ultrafiltration gas-water mixed membrane device 1, wherein the ultrafiltration gas-water mixed membrane device 1 is used for water treatment and comprises a main container, a plurality of dry membrane components are arranged in the container, aeration equipment is arranged below the membrane components, the aeration equipment is communicated with the outside through an air inlet pipe 12, and the main container is communicated with the outside through an inlet pipe 11.
The system further comprises a proportional control valve 2, an air pressure sensor 3, a water pressure sensor 4, an air pressure transmitter 5, a water pressure transmitter 6, an A/D converter 7, a logic control module 8, a flow sensor 9, a flow transmitter 10, a data transmission module 13, a data management platform 14 and a mobile management terminal 15, wherein the flow sensor 9 and the air pressure sensor 3 are both arranged in an air inlet pipe 12, the proportional control valve 2 is further arranged on the air inlet pipe 12, the water pressure sensor 4 is arranged in a main container, the proportional control valve 2 is in signal connection with the A/D converter 7, the air pressure sensor 3 is in signal connection with the A/D converter 7 through the air pressure transmitter 5, the water pressure sensor 4 is in signal connection with the A/D converter 7 through the water pressure transmitter 6, the flow sensor 9 is in signal connection with the A/D converter 7 through the flow transmitter 10, the A/D converter 7 is in signal connection with the logic control module 8, the A/D converter 7 is also in signal connection with the data transmission module 13, and the data transmission module 13 is respectively in signal connection with the data management platform 14 and the mobile management terminal 15.
The proportional control valve 2 is used for controlling the opening of the air inlet pipe 12 so as to control and adjust the aeration quantity and the aeration pressure value, and the proportional control valve 2 is arranged on the air inlet pipe 12.
The air pressure sensor 3 is used for detecting the pressure value in the air inlet pipe 12, so that the aeration pressure and the water pressure can be compared, and the aeration state can be monitored in real time.
The water pressure sensor 4 is used for detecting the water pressure in the main container, the water pressure is compared with the air pressure, whether the membrane component in the ultrafiltration air-water mixed membrane equipment needs aeration treatment or not can be monitored in real time, and the water pressure sensor 4 is arranged in the main container.
The flow sensor 9 is used for detecting the gas flow value in the air inlet pipe 12, collecting and monitoring the gas flow value as a device parameter, and the flow sensor 9 is arranged in the air inlet pipe 12.
The air pressure transmitter 5, the water pressure transmitter 6 and the flow transmitter 10 are all used for receiving detection signals of the air pressure sensor 3, the water pressure sensor 4 and the flow sensor 9, converting the corresponding detection signals into standard signals and then transmitting the standard signals to the A/D converter 7.
The A/D converter 7 is used for converting an electric signal of the transmitter into a modulus signal, so that the logic control module 8 is convenient for signal processing, and the A/D converter 7 is respectively connected with the logic control module 8, the proportional control valve 2 and the data transmission module 13 in a signal manner.
The logic control module 8 is used for receiving signals, processing the signals and sending corresponding control signals to control the proportional control valve 2 to work, the logic control module 8 also has a basic alarm function, and specifically, the logic control module 8 is a PLC singlechip.
The water inlet pipe 11 is used for inputting water to be treated into the ultrafiltration gas-water mixing membrane apparatus 1.
The air inlet pipe 12 is used for inputting air into the aeration equipment in the ultrafiltration air-water mixing membrane equipment 1 for aeration.
The data transmission module 13 is used for sending the signal passing through the a/D converter 7 outwards or receiving an external signal, and sending the signal to the logic control module 8 or the proportional control valve 2 through the a/D converter 7.
The data management platform 14 is used to collect, store and manage signals from the data transmission module 13.
The mobile management terminal 15 is used for collecting, storing, monitoring, managing and monitoring signals from the data transmission module 13, and meanwhile, the mobile management terminal 15 can also send control signals to the data transmission module 13, so as to directly control the proportional control valve 2 and the logic control module 8.
The invention also provides an aeration automatic control method for the ultrafiltration gas-water mixed membrane equipment, which comprises the following steps:
the logic control module 8 is subjected to parameter presetting through the mobile management terminal 15, or the logic control module 8 is directly subjected to parameter presetting, wherein the preset parameters comprise a pressure threshold value P, a gas flow target value L and an aeration working time length T, when the aeration operation is required, the gas pressure P1 of the gas inlet pipe 12 is collected by the gas pressure sensor 3, the water pressure P2 in the ultrafiltration gas-water mixing membrane equipment is collected by the water pressure sensor 4, and the P1, the P2 and the P are respectively compared.
In a specific embodiment, when P is 0.3MPa, P1 is 0.4MPa, and P2 is 0.5MPa, P1 and P2 are both greater than P, so the logic control module 8 alarms, and sends an alarm signal to the data management platform 14 and the mobile management terminal 15 through the data transmission module 13.
In a specific embodiment, when P is 0.3MPa, P1 is 0.2MPa, and P2 is 0.5MPa, P2 is greater than P, so that the logic control module 8 alarms, and sends an alarm signal to the data management platform 14 and the mobile management terminal 15 through the data transmission module 13.
In a specific embodiment, when P is 0.3MPa, and when P1 is 0.4MPa and P2 is 0.2MPa, P1 is greater than P, so that the logic control module 8 alarms, and sends an alarm signal to the data management platform 14 and the mobile management terminal 15 through the data transmission module 13.
In a specific embodiment, when P is 0.3MPa, P1 is 0.2MPa, P2 is 0.3MPa, P1 and P2 are not greater than P, the sizes of P1 and P2 are compared, P1 is smaller than p2+0.05mpa, at this time, a control signal sent by the logic control module 8 is sent to the proportional control valve 2 through the a/D converter 7 or a control signal sent by the mobile management terminal 15 is sent to the proportional control valve 2 through the data transmission module 13 and the a/D converter 7, wherein the signal priority of the data transmission module 13 is greater than the signal priority of the logic control module 8, the opening degree of the proportional control valve 2 is increased, so that the gas flow and the gas pressure are increased, and then the P1 and P2 detection comparison is performed in real time. If the opening degree of the proportional control valve 2 reaches the maximum p1 and is still not more than p2+0.05MPa in the subsequent adjustment process, the logic control module 8 alarms, if the opening degree of the proportional control valve 2 is more than p2+0.05MPa in the subsequent adjustment process, timing aeration is started, and when the aeration time reaches T, a control signal is sent out through the logic control module 8 or the mobile management terminal 15 to adjust the closing of the proportional control valve 2.
In a specific embodiment, when P is 0.3MPa, P1 is 0.3MPa, P2 is 0.2MPa, P1 and P2 are not more than P, P1 is more than p2+0.05MPa, timing aeration is started, and when the aeration time reaches T, a control signal is sent out by the logic control module 8 or the mobile management terminal 15 to adjust the closing of the proportion adjustment control valve 2.
In a specific embodiment, when the flow sensor 9 collects a flow signal L1 in the air inlet pipe 12, the logic control module 8 compares L with L1, when L1 is smaller than L, the logic control module 8 sends a control signal to the proportional control valve 2 through the a/D converter 7 or the mobile management terminal 15 sends a control signal to the proportional control valve 2 through the data transmission module 13 and the a/D converter 7, the proportional control valve 2 is controlled to be opened, and when L1 is larger than L, the logic control module 8 gives an alarm.
In the specific embodiment, the pressure values p1 and p2 and the flow value l1 obtained through conversion by the a/D converter 7 are all sent to the data management platform 14 and the mobile management terminal 15 through the data transmission module 13.
The foregoing description of the preferred embodiments of the invention 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 invention.
Claims (6)
1. The control method of the aeration automatic control system for the ultra-filtration gas-water mixed membrane equipment is characterized in that the aeration automatic control system comprises ultra-filtration gas-water mixed membrane equipment (1), a gas pressure sensor (3), a water pressure sensor (4), a gas pressure transmitter (5), a water pressure transmitter (6), an A/D converter (7), a logic control module (8), a flow sensor (9), a flow transmitter (10), a data transmission module (13), a data management platform (14) and a mobile management terminal (15), the ultra-filtration gas-water mixed membrane equipment (1) is communicated with a water inlet pipe (11) and a gas inlet pipe (12), a proportional control valve (2) is arranged on the gas inlet pipe (12), the gas pressure sensor (3) is arranged in the gas inlet pipe (12), the water pressure sensor (4) is arranged in the ultra-filtration gas-water mixed membrane equipment (1), the gas pressure sensor (3) is in signal connection with the A/D converter (7) through the gas pressure transmitter (5), the water pressure sensor (4) is in signal connection with the A/D converter (7) through the water pressure transmitter (6), the water pressure sensor (4) is in signal connection with the A/D converter (7), the water pressure sensor (7) is in signal connection with the logic control module (7) and the proportional control valve (7) is in signal connection with the logic control valve (7), the flow sensor (9) is arranged in the air inlet pipe (12), the flow sensor (9) is in signal connection with the A/D converter (7) through the flow transmitter (10), the A/D converter (7) is in signal connection with the data transmission module (13), the data transmission module (13) is in signal connection with the data management platform (14), the data transmission module (13) is in signal connection with the mobile management terminal (15), and the control method comprises the following steps:
when aeration operation is started, a logic control module (8) presets a pressure threshold value P, an air pressure sensor (3) collects air pressure of an air inlet pipe (12), a water pressure sensor (4) collects pressure of water in the ultrafiltration air-water mixed membrane equipment (1), the air pressure and the pressure of the water are respectively converted into electric signals, and the two pressure electric signals are respectively transmitted to an A/D converter (7) through an air pressure transmitter (5) and a water pressure transmitter (6) to be converted into analog-digital signals, so that an analog-digital signal value P1 for measuring the air pressure and an analog-digital signal value P2 for measuring the water pressure are obtained;
step two, a logic control module (8) presets an air inlet flow target value L, meanwhile, a flow sensor (9) collects the flow of air in an air inlet pipe (12) and obtains a flow signal, an A/D converter (7) converts the flow signal into an analog-to-digital signal value L1 of the air flow, and the logic control module (8) adjusts the opening of a comparative example adjusting control valve (2) according to the preset air inlet flow target value L;
step three, the A/D converter (7) respectively transmits the converted analog-digital signal values P1 and P2 to the logic control module (8), the logic control module (8) compares P with P1 and P2, and when at least one of the P1 and P2 is larger than P, the logic control module (8) alarms;
step four, when both P1 and P2 are not larger than P, the logic control module (8) continuously compares P1 and P2, when P1 is larger than p2+n, the logic control module (8) performs aeration control according to preset aeration time T, when the aeration time is over, the control proportion adjusting control valve (2) is controlled to be closed, and when P1 is not larger than p2+n, the step five is entered;
step five, the logic control module (8) controls the opening degree of the proportional control valve (2) to be increased, then the step four is repeated, and when the opening degree of the proportional control valve (2) reaches the maximum, and p1 is not more than p2+ n, the logic control module (8) alarms.
2. The control method of an automatic aeration control system for an ultrafiltration gas-water mixing membrane apparatus according to claim 1, wherein step one further comprises the step of transmitting the analog-to-digital signal value p1 of the measured gas pressure and the analog-to-digital signal value p2 of the measured water pressure to the data management platform (14) and the mobile management terminal (15), respectively, through the data transmission module (13).
3. The control method of an automatic aeration control system for an ultrafiltration gas-water mixing membrane apparatus according to claim 1, wherein step one further comprises the mobile management terminal (15) presetting a pressure threshold value P for the logic control module (8) by the data transmission module (13).
4. The control method of an aeration automatic control system for an ultrafiltration gas-water mixing membrane apparatus according to claim 1, wherein step two further comprises the step of transmitting the analog-to-digital signal value l1 of the gas flow rate to the data management platform (14) and the mobile management terminal (15) respectively through the data transmission module (13).
5. The control method of the aeration automatic control system for an ultrafiltration gas-water mixing membrane apparatus according to claim 1, wherein the second step further comprises the step of the mobile management terminal (15) presetting the intake air flow target value L to the logic control module (8) through the data transmission module (13).
6. The control method of an aeration automatic control system for an ultrafiltration gas-water mixing membrane apparatus according to claim 1, wherein in the fourth step, n is 0.05MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011509259.0A CN112774453B (en) | 2020-12-18 | 2020-12-18 | Control method of aeration automatic control system for ultrafiltration gas-water mixed membrane equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011509259.0A CN112774453B (en) | 2020-12-18 | 2020-12-18 | Control method of aeration automatic control system for ultrafiltration gas-water mixed membrane equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112774453A CN112774453A (en) | 2021-05-11 |
| CN112774453B true CN112774453B (en) | 2023-08-01 |
Family
ID=75751310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011509259.0A Active CN112774453B (en) | 2020-12-18 | 2020-12-18 | Control method of aeration automatic control system for ultrafiltration gas-water mixed membrane equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112774453B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607237B (en) * | 2021-10-08 | 2021-12-07 | 南通市大安消防技术服务有限公司 | Wireless water pressure transmission device |
| CN116688759B (en) * | 2023-08-07 | 2023-11-07 | 泰州禾益新材料科技有限公司 | Ultrafiltration membrane with air pressure adjusting function |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202936241U (en) * | 2012-12-04 | 2013-05-15 | 北京碧水源环境科技有限公司 | Device capable of circularly cleaning MBR (Membrane Biological Reactor) membrane unit in offline way |
| FR3061663B1 (en) * | 2017-01-06 | 2019-05-17 | Suez Groupe | IMPROVED IMMERED MEMBRANE AERATION SYSTEM |
| CN211411648U (en) * | 2019-10-31 | 2020-09-04 | 苏州热工研究院有限公司 | Flat ceramic membrane filtering performance test equipment |
-
2020
- 2020-12-18 CN CN202011509259.0A patent/CN112774453B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112774453A (en) | 2021-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112774453B (en) | Control method of aeration automatic control system for ultrafiltration gas-water mixed membrane equipment | |
| CN103425108B (en) | Water pollution prevention and control system and method based on quality-divided discharge and quality-divided treatment | |
| CN113324182B (en) | Control system and method for monitoring leakage of water system | |
| WO2002066835A1 (en) | A method for monitoring a pump and a pump using the method | |
| CN114281042A (en) | Energy-saving control method and device for wet desulphurization circulating system | |
| CN203444305U (en) | Water pollution prevention and control system based on dual discharge and dual treatment | |
| CN209877103U (en) | Heat exchange station intelligence PLC switch board | |
| CN218392397U (en) | Automatic control and monitoring system for primary saline-alkali mud filter press | |
| CN208472854U (en) | A kind of constant pressure water supply system of fixed frequency pump | |
| CN214225778U (en) | Automatic acid regulation control system | |
| CN214735182U (en) | Distributed sewage treatment system based on FPGA | |
| CN114790551A (en) | Liquid level balance control system and method for water electrolysis hydrogen production equipment | |
| CN104609533A (en) | Control system and method for degradation-resistant organic wastewater ozone heterogeneous catalysis oxidation treatment process | |
| CN115126041A (en) | Intelligent water supply system and method | |
| CN211170043U (en) | Ozone on-line automatic control device in purified water production | |
| CN110543135A (en) | direct drinking water hardness automatic adjusting control system and method based on central water treatment equipment | |
| CN211097590U (en) | A thick liquid sediment discharging equipment for organosilicon production | |
| CN210171460U (en) | Device for controlling multi-step regeneration of concentrated sulfuric acid and automatically adding acid by DCS | |
| CN209923137U (en) | But intelligent sewage treatment plant of remote monitoring | |
| CN217732836U (en) | Water purification plant water purification system capable of being automatically adjusted | |
| CN216798844U (en) | Novel mud control system is arranged to full-automatic sedimentation tank | |
| CN210944893U (en) | Balanced discharging equipment of waste water that contains organic matter | |
| CN217163820U (en) | Automatic alkali adding device at bottom of sodium-alkali desulfurization tower and desulfurization tower | |
| CN112987803B (en) | Calcium hydroxide feeding and water distribution control system and method and storage medium | |
| CN220752113U (en) | Water quality monitoring and adjusting tank for centralized sewage treatment in industrial park |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |