CN113045034A - PLC system for sewage treatment and capable of being remotely and intelligently controlled and adjusted - Google Patents
PLC system for sewage treatment and capable of being remotely and intelligently controlled and adjusted Download PDFInfo
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- CN113045034A CN113045034A CN202110267277.0A CN202110267277A CN113045034A CN 113045034 A CN113045034 A CN 113045034A CN 202110267277 A CN202110267277 A CN 202110267277A CN 113045034 A CN113045034 A CN 113045034A
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- sludge
- solid
- plc
- sewage treatment
- anaerobic fermentation
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- 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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a PLC system capable of realizing remote intelligent control and adjustment for sewage treatment, which relates to the technical field of sewage treatment and comprises a PLC control system, a water inlet system, a solid-liquid separation system, a solid treatment system and a liquid treatment system, wherein the PLC control system comprises an operation panel, an LED display panel and a circuit controller, the operation panel and the LED display panel are both connected with the circuit controller through wires, the water inlet system comprises a water inlet pump, a circulating pipeline and a concentration tank, and the solid-liquid separation system comprises a solid-liquid filter screen, a silt vibration drying system and a sand and stone transfer system. The invention can separate sand and stone from sludge in the silt mixture so as to achieve the effect of removing impurities from the sludge, facilitate further treatment of the sludge, improve the quality of products produced in the anaerobic fermentation process of the sludge, facilitate the regulation and control of pH value, have the effect of accurately and effectively controlling the anaerobic fermentation process of the sludge and improve the practicability of the system.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a PLC system capable of remotely and intelligently controlling and adjusting for sewage treatment.
Background
Sewage treatment is a process of purifying sewage to meet the water quality requirement for reuse. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. According to the classification of sewage sources, sewage treatment is generally divided into production sewage treatment and domestic sewage treatment, foreign sewage treatment technologies start earlier, and large-scale sewage treatment is formed after two years. Since the end of 70 generations, most developed countries such as the united kingdom, the united states and the like invest huge capital for the construction of large-scale urban sewage treatment plants, most of the plants adopt more advanced sewage treatment processes such as aerobic acidification technology, SBR and the like, have high sewage treatment efficiency, play a key role in improving the water pollution problem of the countries, and accumulate abundant sewage treatment experiences, a PLC control system can be used for programming a logic controller, an electronic device which is specially designed for industrial production and is operated by digital operation, adopts a programmable memory for storing programs inside, executing logic operation, sequential control, timing, counting, arithmetic operation and other instructions facing users, controls various types of machinery or production processes by digital or analog input/output, is a core part of industrial control, and most of the current sewage treatment plants already adopt the most advanced sewage treatment technology, at present, most domestic and foreign factories control the sewage treatment process through a PLC control system.
The following problems exist in the prior art:
1. the existing PLC system which is used for sewage treatment and can be remotely and intelligently controlled and adjusted is inconvenient for separating and treating silt mixtures in sewage, so that the silt mixtures cannot be reasonably treated and utilized;
2. but among the PLC system that present be used for sewage treatment remote intelligent control to adjust, be not convenient for carry out comprehensive anaerobic fermentation to mud, the pH valve of being not convenient for controls among the fermentation process, but this a PLC system that is used for sewage treatment remote intelligent control to adjust's practicality variation, consequently need carry out the structure innovation and solve concrete problem.
Disclosure of Invention
The invention provides a PLC system for sewage treatment and capable of being remotely and intelligently controlled and adjusted, and aims to realize the function of separating silt mixtures in sewage and solve the problems that the existing PLC system for sewage treatment and capable of being remotely and intelligently controlled and adjusted is inconvenient to separate silt mixtures in sewage and cannot reasonably treat and utilize the silt mixtures; wherein another kind of purpose is in order to solve the current PLC system that is used for sewage treatment but remote intelligent control to adjust, when carrying out anaerobic fermentation to mud, the problem that the pH valve of being not convenient for carries out control to reach the effect of carrying out accurate effective control to the anaerobic fermentation process of mud.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a PLC system that is used for sewage treatment but remote intelligent control to adjust, includes PLC control system, water intake system, solid-liquid separation system, solid processing system and liquid processing system, PLC control system includes operating panel, LED display panel and circuit controller, operating panel, LED display panel all with circuit controller wire connection, water intake system includes intake pump, runner pipe and centralized pool, solid-liquid separation system includes that solid-liquid filter screen, silt vibrate drying and grit and shift, solid processing system includes mud anaerobic fermentation and fermentation product discharge, liquid processing system includes that sewage is clean, sewage removes flavor and sewage discharge.
The technical scheme of the invention is further improved as follows: the solid-liquid filter screen inside the solid-liquid separation system is arranged on the inner wall of the concentration pool inside the water inlet system and used for filtering sand and stone.
The technical scheme of the invention is further improved as follows: the sludge anaerobic fermentation comprises a sludge alkali treatment reactor, a sludge anaerobic fermentation hydrogen production reactor, an acidity control mechanism and a gas collection mechanism.
The technical scheme of the invention is further improved as follows: the sludge alkali treatment reactor is used for adding alkali into the activated sludge and stirring for h-h, and the sludge anaerobic fermentation hydrogen production reactor is used for adding nitrogen into the sludge, removing oxygen in the sludge and finally generating hydrogen.
The technical scheme of the invention is further improved as follows: the acidity control mechanism is used for monitoring the pH value in the anaerobic fermentation process of the sludge and transmitting a monitoring numerical signal to an LED display panel in the PLC control system, and the gas collection mechanism is used for collecting hydrogen generated in the anaerobic fermentation process of the sludge.
The technical scheme of the invention is further improved as follows: the sewage cleaning device comprises an ozone generator for adding ozone and a chlorine generator for adding chlorine.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a PLC system for sewage treatment and capable of being controlled and adjusted remotely and intelligently, which is characterized in that sand and stone in a sand and sand mixture obtained after solid-liquid separation can be separated from sludge by means of vibration drying, so that the effect of removing impurities from the sludge is achieved, the sludge is convenient to further treat, and the quality of products generated in the anaerobic fermentation process of the sludge is improved.
2. The invention provides a PLC system for sewage treatment and capable of being remotely and intelligently controlled and adjusted, which is characterized in that the pH value of sludge in the anaerobic fermentation process can be accurately checked in real time in the PLC control system by monitoring and controlling the anaerobic fermentation process of the sludge by using an acidity control mechanism, so that the accuracy of the anaerobic fermentation process of the sludge is improved, the pH value is conveniently regulated and controlled, the anaerobic fermentation process of the sludge is accurately and effectively controlled, and the practicability of the PLC system for sewage treatment and capable of being remotely and intelligently controlled and adjusted is improved.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic flow diagram of the anaerobic fermentation step of sludge according to the present invention;
FIG. 3 is a schematic flow chart of the sewage cleaning step according to the present invention;
FIG. 4 is a schematic flow chart of the steps of deodorizing sewage according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in figures 1-4, the invention provides a PLC system for remotely and intelligently controlling and adjusting sewage treatment, which comprises a PLC control system, a water inlet system, a solid-liquid separation system, a solid treatment system and a liquid treatment system, wherein the PLC control system comprises an operation panel, an LED display panel and a circuit controller, the operation panel and the LED display panel are both in electric wire connection with the circuit controller, the water inlet system comprises a water inlet pump, a flow pipeline and a concentration tank, the solid-liquid separation system comprises a solid-liquid filter screen, silt vibration drying and sand transfer, the solid treatment system comprises sludge anaerobic fermentation and fermentation product discharge, the liquid treatment system comprises sewage cleaning, sewage deodorization and sewage discharge, the solid-liquid filter screen inside the solid-liquid separation system is arranged on the inner wall of the concentration tank inside the water inlet system and is used for filtering sand, the sludge anaerobic fermentation comprises a sludge alkali treatment reactor, The sludge anaerobic fermentation hydrogen production reactor is used for adding alkali into activated sludge, and stirring is carried out, the stirring time is 9h to 11h, the sludge anaerobic fermentation hydrogen production reactor is used for adding nitrogen into the sludge, the internal oxygen is removed, and finally hydrogen is generated.
In this embodiment, when the PLC system for sewage treatment is in operation, a worker controls the water inlet system, the solid-liquid separation system, the machines in the solid treatment system and the liquid treatment system through the PLC control system, the operating panel and the LED display panel in the PLC control system can check and control the operating state of the PLC control system, the circuit controller provides power support for the PLC control system, the water inlet system enables sewage to enter the concentration tank through the arranged water inlet pump, the solid-liquid filter screen in the concentration tank is controlled by the PLC control system to ascend in the concentration tank, so that a sediment mixture in the sewage is screened, the solid-liquid separation system performs a sediment oscillation drying step on the screened sediment mixture, sand in the dried sediment mixture can be separated from solid sludge, transferring gravels which cannot be further treated, only leaving sludge, performing anaerobic sludge fermentation in a solid treatment system, adding alkali into activated sludge by a sludge alkali treatment reactor, stirring by a stirring roller in the reactor for 9-11 h, adding nitrogen into the sludge by a sludge anaerobic fermentation hydrogen production reactor, removing oxygen in the sludge by the nitrogen, and finally generating hydrogen, monitoring the pH value in the anaerobic sludge fermentation process by an acidity control mechanism, controlling the pH value in the reactor to be 8.5-10.0, performing anaerobic fermentation at the temperature of 20-55 ℃, transmitting a monitoring numerical signal to an LED display panel in a PLC (programmable logic controller) control system, facilitating checking by a worker, regulating the pH value in the fermentation process, discharging a fermentation product after the fermentation is finished, cleaning sewage in a liquid treatment system, controlling an ozone generator and a chlorine generator to respectively enter a chlorine generator by the PLC control system Go work, release ozone and chlorine in proper order in to sewage, in order to reach and carry out clear effect to sewage, sewage removes the smell and gets into through the sewage after PLC control system will clean the completion and removes inside the smell contact tank, and then toward removing the inside active carbon that puts in the quantitative active carbon through the active carbon of setting in ware of removing the smell contact tank, in order to reach the effect that removes the smell to sewage after cleaning work accomplishes, will remove the suction pump discharge that smell completion back sewage was through setting up, carry out further use.
The PLC system for sewage treatment and capable of being remotely and intelligently controlled and adjusted provided by the invention has the following beneficial effects:
through vibrate the drying to the silt mixture that obtains behind the solid-liquid separation, grit in the messenger silt mixture can separate with mud, in order to reach the effect that carries out the edulcoration to mud, be convenient for mud carries out further processing, the quality of the produced result in the mud anaerobic fermentation process has been improved, and monitor control is carried out to the anaerobic fermentation process of using acidity control mechanism to mud, make the pH valve of mud in the anaerobic fermentation process can be looked over in PLC control system accurately in real time, the precision of mud anaerobic fermentation process has been improved, the pH valve of being convenient for regulates and control, thereby can carry out accurate effective control to the anaerobic fermentation process of mud, improve this a PLC system's that is used for sewage treatment remote intelligent control to adjust practicality.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.
Claims (7)
1. The utility model provides a but be used for sewage treatment remote intelligent control to adjust PLC system, includes PLC control system, water intake system, solid-liquid separation system, solid processing system and liquid processing system, its characterized in that: PLC control system includes operating panel, LED display panel and circuit controller, operating panel, LED display panel all with circuit controller wire connection, the water intake system includes intake pump, runner pipe and centralized pool, solid-liquid separation system includes that solid-liquid filter screen, silt vibrate drying and grit and shift, solid processing system includes mud anaerobic fermentation and fermentation product discharge, liquid processing system includes that sewage is clean, sewage removes flavor and sewage discharge.
2. The PLC system for remotely and intelligently controlling and adjusting sewage treatment according to claim 1, wherein: the solid-liquid filter screen inside the solid-liquid separation system is arranged on the inner wall of the concentration pool inside the water inlet system and used for filtering sand and stone.
3. The PLC system for remotely and intelligently controlling and adjusting sewage treatment according to claim 1, wherein: the sludge anaerobic fermentation comprises a sludge alkali treatment reactor, a sludge anaerobic fermentation hydrogen production reactor, an acidity control mechanism and a gas collection mechanism.
4. The PLC system for remotely and intelligently controlling and adjusting sewage treatment according to claim 3, wherein: the sludge alkali treatment reactor is used for adding alkali into activated sludge and stirring for 9-11 hours, and the sludge anaerobic fermentation hydrogen production reactor is used for adding nitrogen into sludge, removing oxygen in the sludge and finally generating hydrogen.
5. The PLC system for remotely and intelligently controlling and adjusting sewage treatment according to claim 3, wherein: the acidity control mechanism is used for monitoring the pH value in the anaerobic fermentation process of the sludge and transmitting a monitoring numerical signal to an LED display panel in the PLC control system, and the gas collection mechanism is used for collecting hydrogen generated in the anaerobic fermentation process of the sludge.
6. The PLC system for remotely and intelligently controlling and adjusting sewage treatment according to claim 1, wherein: the sewage cleaning device comprises an ozone generator for adding ozone and a chlorine generator for adding chlorine.
7. The PLC system for remotely and intelligently controlling and adjusting sewage treatment according to claim 1, wherein: the sewage deodorization device comprises a deodorization contact tank, an activated carbon dispenser and a water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110267277.0A CN113045034A (en) | 2021-03-12 | 2021-03-12 | PLC system for sewage treatment and capable of being remotely and intelligently controlled and adjusted |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110267277.0A CN113045034A (en) | 2021-03-12 | 2021-03-12 | PLC system for sewage treatment and capable of being remotely and intelligently controlled and adjusted |
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| CN113045034A true CN113045034A (en) | 2021-06-29 |
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| CN202110267277.0A Pending CN113045034A (en) | 2021-03-12 | 2021-03-12 | PLC system for sewage treatment and capable of being remotely and intelligently controlled and adjusted |
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Application publication date: 20210629 |