CN111777219A - Ultrafiltration membrane water treatment control method and system - Google Patents
Ultrafiltration membrane water treatment control method and system Download PDFInfo
- Publication number
- CN111777219A CN111777219A CN202010634522.2A CN202010634522A CN111777219A CN 111777219 A CN111777219 A CN 111777219A CN 202010634522 A CN202010634522 A CN 202010634522A CN 111777219 A CN111777219 A CN 111777219A
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- Prior art keywords
- water treatment
- ultrafiltration membrane
- control method
- membrane module
- treatment control
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- 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
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- 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
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- 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
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
Abstract
The invention discloses a method and a system for controlling ultrafiltration membrane water treatment, wherein the method selects a parallel or queuing mechanism to start an internal pressure ultrafiltration membrane set system and an external pressure ultrafiltration membrane set system according to user requirements; and controlling the inner pressure ultrafiltration membrane set system and the outer pressure ultrafiltration membrane set system to independently operate to realize source water treatment. The water treatment sensor is arranged to feed back the on-site water treatment condition to remote workers in real time, so that the workers can remotely monitor the water treatment condition; if the equipment sends alarm information, a prompt message is popped up to warn the person on duty to carry out instant processing; and if the assembly has a fault, the current membrane group automatically enters a pause mode, and continues to operate after the assembly is subjected to maintenance, elimination and alarm. Compared with the traditional water treatment control mode, the invention improves the efficiency and the quality of water treatment, realizes the full-automatic control of water treatment, has high intelligent degree and is suitable for popularization and application.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a method and a system for controlling ultrafiltration membrane water treatment.
Background
In recent years, with the development of social economy, the living standard of people is continuously improved, the discharge amount of sewage is increased, and the requirements on the quality and the treatment amount of the sewage are improved. The ultrafiltration membrane technology is a green and efficient water purification treatment technology, and is widely applied to filtration and other material separation of water treatment in the fields of municipal administration, energy, steel, petrochemical industry, medicine and the like. Due to the efficient interception efficiency of the ultrafiltration membrane technology on pollutants such as particles, colloid and the like and the advantage of small occupied area, the ultrafiltration membrane technology is gradually applied to the field of sewage treatment instead of sand filtration and other processes. However, the existing water treatment method has low efficiency, poor effect, complex control process and low automation degree, and can not meet the requirements of users.
The above problems are urgently needed to be solved.
Disclosure of Invention
The invention aims to solve the problems mentioned in the background technology part by an ultrafiltration membrane water treatment control method and an ultrafiltration membrane water treatment control system.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the present invention provides a method for controlling water treatment of an ultrafiltration membrane, comprising:
selecting a parallel or queuing mechanism according to the requirements of users to start the internal pressure ultrafiltration membrane set system and the external pressure ultrafiltration membrane set system;
and controlling the inner pressure ultrafiltration membrane set system and the outer pressure ultrafiltration membrane set system to independently operate to realize source water treatment.
Particularly, the internal pressure ultrafiltration membrane module system and the external pressure ultrafiltration membrane module system respectively comprise but are not limited to filtration, backwashing, air washing and drug washing processes when source water treatment is carried out.
Particularly, the ultrafiltration membrane water treatment control method further comprises the following steps: the water treatment sensor is arranged to feed back the water treatment condition of the site to remote workers in real time, so that the workers can remotely monitor the water treatment condition.
Particularly, if equipment in the internal pressure ultrafiltration membrane module system and the external pressure ultrafiltration membrane module system send alarm information, a prompt message is popped up to warn an attendant to carry out instant processing; if the components in the internal pressure ultrafiltration membrane module system and the external pressure ultrafiltration membrane module system have faults, the current membrane module automatically enters a pause mode, and continues to operate after the current membrane module is subjected to maintenance and alarm elimination.
In particular, the filtration process comprises: pumping water from a source water tank into the membrane group, firstly performing primary filtration by a filter system, then forming closed-loop control on the water inflow and the membrane group, and automatically adjusting the flow; wherein, when the filtration begins, open the drain valve simultaneously, discharge the impurity outside the membrane group.
In particular, the backwash process comprises: and (4) entering a backwashing process after the filtering process is finished, reversely feeding water into the membrane module by using the pressure of the water, and simultaneously opening corresponding drain valves to flush away impurities left in the membrane module.
Particularly, in the backwashing process, whether a medicament is added into the pipeline or not can be judged according to the process requirements, meanwhile, a sensor arranged on the pipeline detects the current water quality parameter in real time and feeds the current water quality parameter back to the controller, and the controller sends out a control instruction for real-time adjustment after calculation.
In particular, the gas washing process comprises: and after the backwashing process is finished, gas is filled into the pipeline to take out impurities from the drain valve.
In particular, the drug washing process comprises: provide the medicament through automatic medicine dispensing system, automatic medicine feeding system squeezes into the pipeline with the medicament and circulates, realizes the further filtration to the source water.
In a second aspect, the invention provides an ultrafiltration membrane water treatment control system, which realizes source water treatment by the ultrafiltration membrane water treatment control method.
The ultrafiltration membrane water treatment control method and the ultrafiltration membrane water treatment control system provided by the invention improve the efficiency and the quality of water treatment, realize full-automatic control of water treatment, have high intelligent degree and are suitable for popularization and application.
Drawings
Fig. 1 is a schematic diagram of an ultrafiltration membrane water treatment control system provided by an embodiment of the invention.
Detailed Description
The invention is further illustrated by the following figures and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It is also to be noted that, for the convenience of description, only a part of the contents, not all of the contents, which are related to the present invention, are shown in the drawings, and unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example one
The ultrafiltration membrane water treatment control method in the embodiment comprises the following steps: selecting a parallel or queuing mechanism according to the requirements of users to start the internal pressure ultrafiltration membrane set system and the external pressure ultrafiltration membrane set system; and controlling the inner pressure ultrafiltration membrane set system and the outer pressure ultrafiltration membrane set system to independently operate to realize source water treatment.
In the present embodiment, the internal pressure ultrafiltration membrane module system and the external pressure ultrafiltration membrane module system perform source water treatment, including but not limited to filtration, backwashing, air washing, and drug washing processes.
Illustratively, the ultrafiltration membrane water treatment control method in this embodiment further includes: the water treatment sensor is arranged to feed back the water treatment condition of the site to remote workers in real time, so that the workers can remotely monitor the water treatment condition.
For example, in this embodiment, if the devices in the internal pressure ultrafiltration membrane module system and the external pressure ultrafiltration membrane module system send alarm information, a prompt message is popped up to warn the attendant to perform immediate processing; if the components in the internal pressure ultrafiltration membrane module system and the external pressure ultrafiltration membrane module system have faults, the current membrane module automatically enters a pause mode, and continues to operate after the current membrane module is subjected to maintenance and alarm elimination.
Specifically, in this embodiment, when the system starts to operate, the filtering process includes: pumping water from a source water tank into the membrane group, firstly performing primary filtration by a filter system, then forming closed-loop control on the water inflow and the membrane group, and automatically adjusting the flow; wherein, when the filtration begins, open the drain valve simultaneously, discharge the impurity outside the membrane group. For example, the duration of the filtering process in this embodiment is generally 45 minutes, but not limited thereto, and can be flexibly adjusted according to specific requirements. Specifically, in this embodiment, the backwashing step includes: and (4) entering a backwashing process after the filtering process is finished, reversely feeding water into the membrane module by using the pressure of the water, and simultaneously opening corresponding drain valves to flush away impurities left in the membrane module. Specifically, in this embodiment, in the backwashing process, whether a chemical is added to the pipeline (which chemical is specifically adopted and can be selected according to actual conditions) can be determined according to process requirements, and meanwhile, a sensor installed on the pipeline detects the current water quality parameter in real time and feeds the current water quality parameter back to the controller, and the controller sends a control instruction for real-time adjustment after calculation. Specifically, in this embodiment, the gas washing process includes: and after the backwashing process is finished, gas is filled into the pipeline to take out impurities from the drain valve. Specifically, in this embodiment, the last step of the water treatment is a drug washing step, and the drug washing step includes: provide the medicament through automatic medicine dispensing system, automatic medicine feeding system squeezes into the pipeline with the medicament and circulates, realizes the further filtration to the source water.
Example two
As shown in fig. 1, this embodiment provides an ultrafiltration membrane water treatment control system, which implements source water treatment by the ultrafiltration membrane water treatment control method provided in the first embodiment, and the specific treatment process is the same as above, and is not described herein again.
According to the technical scheme provided by the invention, the water treatment sensor is arranged to feed back the on-site water treatment condition to remote workers in real time, so that the workers can remotely monitor the water treatment condition; if equipment in the internal pressure ultrafiltration membrane set system and the external pressure ultrafiltration membrane set system sends alarm information, popping up a prompt message to warn an attendant to perform immediate processing; if the components in the internal pressure ultrafiltration membrane module system and the external pressure ultrafiltration membrane module system have faults, the current membrane module automatically enters a pause mode, and continues to operate after the current membrane module is subjected to maintenance and alarm elimination. Compared with the traditional water treatment control mode, the invention improves the efficiency and the quality of water treatment, realizes the full-automatic control of water treatment, has high intelligent degree and is suitable for popularization and application.
It will be understood by those skilled in the art that all or part of the above embodiments may be implemented by the computer program to instruct the relevant hardware, and the program may be stored in a computer readable storage medium, and when executed, may include the procedures of the embodiments of the methods as described above. The storage medium may be a magnetic disk, an optical disk, a read-only memory or a random access memory.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A method for controlling water treatment of an ultrafiltration membrane is characterized by comprising the following steps:
selecting a parallel or queuing mechanism according to the requirements of users to start the internal pressure ultrafiltration membrane set system and the external pressure ultrafiltration membrane set system;
and controlling the inner pressure ultrafiltration membrane set system and the outer pressure ultrafiltration membrane set system to independently operate to realize source water treatment.
2. The ultrafiltration membrane water treatment control method of claim 1, wherein the internal pressure ultrafiltration membrane module system and the external pressure ultrafiltration membrane module system perform source water treatment, and the source water treatment comprises but is not limited to filtration, backwashing, air washing and drug washing procedures.
3. The ultrafiltration membrane water treatment control method according to claim 2, characterized by further comprising: the water treatment sensor is arranged to feed back the water treatment condition of the site to remote workers in real time, so that the workers can remotely monitor the water treatment condition.
4. The ultrafiltration membrane water treatment control method according to claim 3, characterized in that if equipment in the internal pressure ultrafiltration membrane module system and the external pressure ultrafiltration membrane module system sends alarm information, a prompt message is popped up to warn operators on duty to carry out immediate treatment; if the components in the internal pressure ultrafiltration membrane module system and the external pressure ultrafiltration membrane module system have faults, the current membrane module automatically enters a pause mode, and continues to operate after the current membrane module is subjected to maintenance and alarm elimination.
5. The ultrafiltration membrane water treatment control method according to one of claims 2 to 4, wherein the filtration step comprises: pumping water from a source water tank into the membrane group, firstly performing primary filtration by a filter system, then forming closed-loop control on the water inflow and the membrane group, and automatically adjusting the flow; wherein, when the filtration begins, open the drain valve simultaneously, discharge the impurity outside the membrane group.
6. The ultrafiltration membrane water treatment control method according to claim 5, wherein the backwashing step comprises: and (4) entering a backwashing process after the filtering process is finished, reversely feeding water into the membrane module by using the pressure of the water, and simultaneously opening corresponding drain valves to flush away impurities left in the membrane module.
7. The ultrafiltration membrane water treatment control method of claim 6, wherein in the backwashing process, whether a chemical is added to the pipeline or not can be judged according to process requirements, meanwhile, a sensor arranged on the pipeline detects the current water quality parameter in real time and feeds the current water quality parameter back to the controller, and the controller sends a control instruction for real-time adjustment after calculation.
8. The ultrafiltration membrane water treatment control method according to claim 7, wherein the gas washing process comprises: and after the backwashing process is finished, gas is filled into the pipeline to take out impurities from the drain valve.
9. The ultrafiltration membrane water treatment control method according to claim 8, wherein the drug washing process comprises: provide the medicament through automatic medicine dispensing system, automatic medicine feeding system squeezes into the pipeline with the medicament and circulates, realizes the further filtration to the source water.
10. An ultrafiltration membrane water treatment control system characterized in that the system realizes source water treatment by the ultrafiltration membrane water treatment control method of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010634522.2A CN111777219A (en) | 2020-07-02 | 2020-07-02 | Ultrafiltration membrane water treatment control method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010634522.2A CN111777219A (en) | 2020-07-02 | 2020-07-02 | Ultrafiltration membrane water treatment control method and system |
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| CN111777219A true CN111777219A (en) | 2020-10-16 |
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| CN202010634522.2A Pending CN111777219A (en) | 2020-07-02 | 2020-07-02 | Ultrafiltration membrane water treatment control method and system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090218285A1 (en) * | 2006-03-16 | 2009-09-03 | Seccua Gmbh | Controls of a filtration system |
| CN202096890U (en) * | 2011-05-24 | 2012-01-04 | 武汉凯迪水务水处理有限公司 | Automatic control device for water ultrafiltration treatment |
| CN204412073U (en) * | 2014-12-31 | 2015-06-24 | 天津大学 | A kind of ultra-filtration membrane device with online medicament backwashing blowdown function |
| CN210855542U (en) * | 2019-11-13 | 2020-06-26 | 安阳市昌明环保设备有限责任公司 | Mixed ultrafiltration membrane water treatment system |
-
2020
- 2020-07-02 CN CN202010634522.2A patent/CN111777219A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090218285A1 (en) * | 2006-03-16 | 2009-09-03 | Seccua Gmbh | Controls of a filtration system |
| CN202096890U (en) * | 2011-05-24 | 2012-01-04 | 武汉凯迪水务水处理有限公司 | Automatic control device for water ultrafiltration treatment |
| CN204412073U (en) * | 2014-12-31 | 2015-06-24 | 天津大学 | A kind of ultra-filtration membrane device with online medicament backwashing blowdown function |
| CN210855542U (en) * | 2019-11-13 | 2020-06-26 | 安阳市昌明环保设备有限责任公司 | Mixed ultrafiltration membrane water treatment system |
Non-Patent Citations (1)
| Title |
|---|
| 胡浩斌等主编: "《化工专业实验》", 31 July 2017, 天津大学出版社 * |
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Application publication date: 20201016 |
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