CN114014436B - Mud discharging system - Google Patents
Mud discharging system Download PDFInfo
- Publication number
- CN114014436B CN114014436B CN202111459312.5A CN202111459312A CN114014436B CN 114014436 B CN114014436 B CN 114014436B CN 202111459312 A CN202111459312 A CN 202111459312A CN 114014436 B CN114014436 B CN 114014436B
- Authority
- CN
- China
- Prior art keywords
- sludge
- tank
- sludge discharge
- biochemical
- concentration
- 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
Images
Classifications
-
- 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
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention relates to a sludge discharge system, which relates to the technical field of sewage treatment, and is characterized in that the sludge discharge amount of a biochemical tank in a decanting idle stage is calculated according to data acquired by a first sludge concentration meter and a first liquid level meter in the aeration stage of the biochemical tank unit, and a control signal is sent to a first sludge control module according to the sludge discharge amount, so that the problem of unsatisfactory sewage treatment effect caused by inaccurate sludge discharge is solved, and further, a control signal is sent to a second sludge control module according to the sludge standard concentration range of the sludge storage tank, the sludge concentration of the primary sedimentation tank and the sludge discharge amount of the biochemical tank in the decanting idle stage, so that the sludge concentration in the sludge storage tank is in the sludge standard concentration range of the sludge storage tank, and the problem that the sludge dewatering efficiency is low due to the fact that the concentration fluctuation of the sludge storage tank is large when no concentration tank exists is solved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sludge discharge system.
Background
The activated sludge process is a process for purifying sewage by adsorbing and eating contaminants in sewage by various microorganisms in nature, and the microorganisms and their extracellular polymers are aggregated into a cluster to adsorb suspended particles, i.e., activated sludge. If the size of the microbiota exceeds the design range of the sewage treatment plant, normal production operation is difficult to ensure, so that a certain amount of microorganisms and pollutants adsorbed by the microorganisms are periodically discharged out of the system in the operation process of the sewage treatment plant adopting an activated sludge process.
The existing sludge discharge is realized by manually controlling the start and stop of a sludge pump or alternatively discharging after setting timing and quantitative for each pool, and the essence is that people directly control the discharge of residual sludge. On one hand, the operators of the operation team have uneven quality, the operation randomness is high, and superdrainage or less drainage is easy to occur, so that the sewage treatment effect is not ideal; on the other hand, on the premise of no concentration tank, the sludge is directly discharged to the sludge storage tank, so that the sludge concentration fluctuation of the sludge storage tank is large, the sludge dewatering efficiency is influenced, and the ideal effect is difficult to achieve by manual control.
Disclosure of Invention
The technical problems solved by the invention are as follows: the utility model provides a mud discharging system solves the inaccurate problem that leads to sewage treatment effect nonideal of mud emission, further solves under the prerequisite that does not have the concentration tank, directly discharges mud to the mud storage tank and can make the problem that mud dehydration efficiency is low because of the fluctuation of mud storage tank concentration is great.
The invention solves the technical problems by adopting the technical scheme that: the mud discharging system comprises a biochemical tank unit, a pretreatment tank unit, a mud storage tank unit and a mud discharging control unit;
the biochemical tank unit comprises a biochemical tank, a first sludge concentration meter, a first liquid level meter, a first sludge pump and a first sludge pump control module, wherein the biochemical tank comprises water inlet aeration, sedimentation and decanting idle stages, the first sludge concentration meter is used for measuring the sludge concentration of the biochemical tank, the first liquid level meter is used for measuring the liquid level height of the biochemical tank, the first sludge control module controls the first sludge pump to operate according to a control signal sent by the sludge discharge control unit, and the first sludge pump discharges sludge in the biochemical tank to the sludge storage tank;
the pretreatment tank unit comprises a pretreatment tank, a second sludge concentration meter, a second sludge pump and a second sludge pump control module, wherein the second sludge concentration meter is used for measuring the sludge concentration of the pretreatment tank, the second sludge control module controls the second sludge pump to run according to a control signal sent by the sludge discharge control unit, and the second sludge pump discharges sludge in the pretreatment tank to the sludge storage tank;
the mud storage tank unit comprises a mud storage tank, and mud in the mud storage tank has a mud standard concentration range;
the sludge discharge control unit calculates the sludge discharge amount of the biochemical tank in the decanting idle stage according to the data acquired by the first sludge concentration meter and the first liquid level meter, and sends a control signal to the first sludge control module according to the sludge discharge amount; and sending a control signal to the second sludge control module according to the sludge standard concentration range of the sludge storage tank, the sludge concentration of the pretreatment tank and the sludge discharge amount of the biochemical tank in the decanting idle stage, so that the sludge concentration in the sludge storage tank is within the sludge standard concentration range of the sludge storage tank.
Further, the sludge discharge amount calculation process of the biochemical tank in the decanting idle stage is as follows:
obtaining the total sludge amount of the biochemical tank through the sludge concentration, the liquid level height and the area of the biochemical tank, wherein if the total sludge amount of the biochemical tank is not greater than the total sludge amount threshold of the biochemical tank, the sludge discharge amount of the biochemical tank in the decanting idle stage is zero;
if the total sludge amount of the biochemical tank is larger than the total sludge amount threshold of the biochemical tank, obtaining the total sludge amount upper limit of the biochemical tank per day by dividing the total sludge amount by the minimum sludge age allowed by the normal operation of the biochemical tank, obtaining the upper limit of the sludge amount per time according to the daily sludge discharge times of the biochemical tank, obtaining the current sludge amount by subtracting the total sludge amount threshold of the biochemical tank from the total sludge amount of the biochemical tank,
if the current sludge discharge amount is larger than the upper limit of the sludge discharge amount of each time, the upper limit of the sludge discharge amount of each time is the sludge discharge amount of the biochemical tank in the decanting idle stage;
and if the current sludge discharge amount is not more than the upper limit of each sludge discharge amount, the current sludge discharge amount is the sludge discharge amount of the biochemical tank in the decanting idle stage.
Further, according to the formula: the sludge storage tank concentration in the standard concentration range= (the sludge discharge amount of the biochemical tank in the decanting idle stage+the sludge discharge concentration of the pretreatment tank×the sludge discharge volume of the pretreatment tank)/(the sludge discharge volume of the biochemical tank+the sludge discharge volume of the pretreatment tank), the sludge discharge volume of the pretreatment tank is obtained, and a control signal is sent to the second sludge control module according to the sludge discharge volume of the pretreatment tank.
Further, the sludge storage tank unit further comprises a pretreatment Chi Paini flowmeter, the pretreatment tank sludge discharge flowmeter is connected with the sludge discharge control unit and used for counting the real-time sludge discharge volume of the pretreatment tank unit, and when the real-time sludge discharge volume is equal to the sludge discharge volume of the pretreatment tank, the sludge discharge control unit controls the second sludge pump to stop running.
Further, the control signal is the running time of the sludge pump.
Further, the control signals are a start operation signal and an end operation signal of the sludge pump.
Further, the pretreatment tank comprises a primary sedimentation tank or a hydrolytic acidification tank.
Further, the number of the pretreatment tank units is at least two, each pretreatment tank unit further comprises a mud level meter, the mud level meter is used for measuring the height of the sludge in the pretreatment tank unit, the mud level data are sent to a sludge discharge control unit, and the control unit sends the running time of the second sludge pump to the pretreatment tank unit with the highest sludge level.
Further, the sludge storage tank unit further comprises a biochemical Chi Paini flowmeter and a biochemical tank sludge discharge concentration meter, the biochemical Chi Paini flowmeter and the biochemical tank sludge discharge concentration meter are connected with the sludge discharge control unit, the biochemical tank sludge discharge flowmeter is used for counting the sludge discharge volume of the biochemical tank unit, the biochemical tank sludge discharge concentration meter is used for measuring the sludge discharge concentration of the biochemical tank, the sludge discharge control unit starts to operate the first sludge pump control unit when the biochemical tank is in a water decanting idle stage for discharging sludge, the first sludge pump starts to operate, the actual sludge discharge amount of the biochemical tank is counted by the biochemical tank sludge discharge flowmeter and the biochemical tank sludge discharge concentration meter, and when the actual discharged sludge amount is equal to the sludge discharge amount of the biochemical tank in the water decanting idle stage, the sludge discharge control unit ends to operate the first sludge pump control unit, and the first sludge pump ends to operate.
Further, the sludge storage tank further comprises a third sludge concentration meter, the third sludge concentration meter is used for measuring the sludge concentration of the sludge storage tank, and when the measured value of the third sludge concentration meter is lower than the standard concentration range of the sludge storage tank, the sludge discharge control unit controls the second sludge pump to operate; when the measured value of the three sludge concentration meters is in the standard concentration range of the sludge storage tank, the sludge discharge control unit controls the second sludge pump to stop running.
The invention has the beneficial effects that: according to the sludge discharge system, the sludge discharge amount of the biochemical tank in the decanting idle stage is calculated according to the data acquired by the first sludge concentration meter and the first liquid level meter when the biochemical tank unit is in the aeration stage, and a control signal is sent to the first sludge control module according to the sludge discharge amount, so that the problem of unsatisfactory sewage treatment effect caused by inaccurate sludge discharge is solved; further, a control signal is sent to the second sludge control module according to the sludge standard concentration range of the sludge storage tank, the sludge concentration of the pretreatment tank and the sludge discharge amount of the biochemical tank in the decanting idle stage, so that the sludge concentration in the sludge storage tank is in the sludge standard concentration range of the sludge storage tank, and the problem that the sludge dewatering efficiency is low due to the fact that the concentration fluctuation of the sludge storage tank is large when the sludge is directly discharged to the sludge storage tank without a concentration tank is solved.
Drawings
FIG. 1 is a schematic diagram of the connection relationship of the sludge discharge system of the present invention.
Detailed Description
The invention relates to a mud discharging system, which comprises a biochemical tank unit, a pretreatment tank unit, a mud storage tank unit and a mud discharging control unit;
the biochemical tank unit comprises a biochemical tank, a first sludge concentration meter, a first liquid level meter, a first sludge pump and a first sludge pump control module, wherein the biochemical tank comprises water inlet aeration, sedimentation and decanting idle stages, the first sludge concentration meter is used for measuring the sludge concentration of the biochemical tank, the first liquid level meter is used for measuring the liquid level height of the biochemical tank, the first sludge control module controls the first sludge pump to operate according to a control signal sent by the sludge discharge control unit, and the first sludge pump discharges sludge in the biochemical tank to the sludge storage tank;
specifically, the idle stage of water inlet aeration, sedimentation and decanting of the biochemical tank is a cycle period, and the water inlet aeration stage is to inject sewage into the biochemical tank and perform aeration at the same time; the aeration stage is to provide air for the biochemical tank to meet the oxygen demand of aerobic microorganisms, and simultaneously, the activated sludge and the sewage can be fully mixed; the precipitation stage is to stop aeration, perform precipitation separation on the activated sludge under the almost static condition, and precipitate the activated sludge to the bottom of the tank, namely the sludge discharged from the biochemical tank, wherein the concentration of the sludge is low; the decanting idle stage means that the decanter discharges supernatant liquid in the biochemical pool from top to bottom and returns to the original position. The mud discharging time of the biochemical pond is positioned in the water decanting idle stage.
The pretreatment tank unit comprises a pretreatment tank, a second sludge concentration meter, a second sludge pump and a second sludge pump control module, wherein the second sludge concentration meter is used for measuring the sludge concentration of the pretreatment tank, the second sludge control module controls the second sludge pump to run according to a control signal sent by the sludge discharge control unit, and the second sludge pump discharges sludge in the pretreatment tank to the sludge storage tank;
specifically, the effect of the pretreatment tank is to remove precipitable substances, so as to reduce the burden of the biochemical tank, wherein the precipitable substances are precipitated in the pretreatment tank, namely sludge in the pretreatment tank, and the concentration of the sludge is higher.
The mud storage tank unit comprises a mud storage tank, and mud in the mud storage tank has a mud standard concentration range;
specifically, when the sludge concentration in the sludge storage tank is within the standard range, the sludge dewatering efficiency in the subsequent treatment process is high.
The sludge discharge control unit calculates the sludge discharge amount of the biochemical tank in the decanting idle stage according to the data acquired by the first sludge concentration meter and the first liquid level meter, and sends a control signal to the first sludge control module according to the sludge discharge amount; and sending a control signal to the second sludge control module according to the sludge standard concentration range of the sludge storage tank, the sludge concentration of the pretreatment tank and the sludge discharge amount of the biochemical tank in the decanting idle stage, so that the sludge concentration in the sludge storage tank is within the sludge standard concentration range of the sludge storage tank.
Specifically, the total sludge of the biochemical tank is obtained through the concentration of the sludge, the height of the liquid level and the area of the biochemical tank, if the total sludge of the biochemical tank is not greater than the total sludge threshold of the biochemical tank, the biochemical tank is not discharged, if the total sludge of the biochemical tank is greater than the total sludge threshold of the biochemical tank, the total sludge discharge amount upper limit of the biochemical tank per day is obtained by dividing the total sludge by the minimum sludge age allowed by the normal operation of the biochemical tank, then the upper limit of the total sludge discharge amount per day is obtained according to the daily sludge discharge times of the biochemical tank, the total sludge amount threshold of the biochemical tank is subtracted by the total sludge amount of the biochemical tank to obtain the total sludge discharge amount, and if the total sludge discharge amount per time is greater than the upper limit of the total sludge discharge amount per time, the upper limit of the total sludge discharge amount per time is the total sludge discharge amount of the biochemical tank in the decanting idle stage; if the current sludge discharge amount is not greater than the upper limit of the sludge discharge amount each time, the current sludge discharge amount is the sludge discharge amount of the biochemical pond in the decanting idle stage, the sludge discharge amount of the biochemical pond in the decanting idle stage is divided by the sludge concentration of the biochemical pond in the sedimentation stage to obtain the sludge discharge volume of the biochemical pond, the sludge discharge volume is divided by the sludge discharge speed of the first sludge pump to obtain the operation time of the first sludge pump, a certain error exists in the first sludge pump due to the fact that the sludge concentration of the biochemical pond in the sedimentation stage has the certain error, in order to reduce the error, a sludge discharge flowmeter and a sludge concentration meter of the biochemical pond are added in a sludge storage pond unit, the sludge discharge flowmeter and the sludge concentration meter of the biochemical pond are connected with a sludge discharge control unit, when the sludge discharge is carried out in the biochemical pond water idle stage, the first sludge pump control unit starts to operate, the first sludge pump starts to operate, the sludge discharge flowmeter and the sludge meter of the biochemical pond is added in the first sludge pump control unit stops operating, the actual sludge discharge is controlled by the first sludge discharge unit, and the actual sludge discharge amount is reduced when the sludge discharge is equal to the actual discharge amount of the first sludge discharge unit in the decanting idle stage, and the actual sludge discharge amount is controlled by the first sludge discharge unit.
According to the formula: the method comprises the steps of obtaining the sludge discharge volume of a pretreatment tank by dividing the sludge discharge volume of the pretreatment tank by the sludge discharge speed of a second sludge pump, obtaining the operation time of the second sludge pump by the sludge discharge volume of the pretreatment tank, wherein the operation time of the second sludge pump belongs to a theoretical calculation value, and in the actual process, the operation time of the second sludge pump controls the sludge discharge volume of the pretreatment tank possibly to cause certain error, so that a pretreatment Chi Paini flowmeter is added in a sludge storage tank unit, the pretreatment tank sludge flowmeter is connected with a sludge discharge control unit and used for counting the real-time sludge discharge volume of the pretreatment tank unit, the sludge discharge control unit starts an operation signal, and the sludge discharge control unit starts operation when the real-time volume of the pretreatment tank sludge discharge flowmeter is equal to the sludge discharge volume of the pretreatment tank obtained by calculation, and the sludge discharge control unit ends operation of the second sludge pump, so that the sludge discharge volume of the pretreatment tank is stable in the actual process, and the sludge storage tank can be accurately processed.
Specifically, the connection relation of the sludge discharge system is shown in figure 1, the sludge discharge control unit is respectively connected with a first sludge concentration meter, a first liquid level meter, a first sludge pump control module, a second sludge concentration meter and a second sludge pump control module, the first sludge pump is connected with the first sludge pump control module, the second sludge pump is connected with the second sludge pump control module, and the first sludge pump and the second sludge pump are respectively connected with a sludge storage tank through pipelines.
In addition, in order to improve sewage treatment capacity, four biochemical tank units are adopted, and four biochemical tanks in the four biochemical tank units are respectively in four different stages, so that continuous sewage injection can be realized, and the sewage treatment efficiency is improved.
In order to ensure the sludge concentration in the sludge storage tank, at least two pretreatment tank units are arranged, each pretreatment tank unit further comprises a sludge level meter for measuring the sludge height of the pretreatment tank unit and sending the sludge height data to a sludge discharge control unit, and the control unit sends a second sludge pump control signal to the pretreatment tank unit with the highest sludge height, so that the sludge concentration in the sludge storage tank can be increased by enough high-concentration sludge.
In order to ensure the accuracy of the sludge discharge system, a third sludge concentration meter is added to the sludge storage tank, the third sludge concentration meter is used for measuring the sludge concentration of the sludge storage tank, the accuracy of the system can be verified, or the system can be compared with the standard concentration range of the sludge storage tank according to the measured value of the third sludge concentration meter, if the measured value of the third sludge concentration meter is lower than the standard concentration range of the sludge storage tank, the second sludge pump is controlled to operate, the sludge concentration of the sludge storage tank is improved, and when the measured value of the third sludge concentration meter is in the standard concentration range of the sludge storage tank, the second sludge pump is controlled to stop operating.
In the present invention, the pretreatment tank includes a primary sedimentation tank or a hydrolytic acidification tank.
Claims (8)
1. The sludge discharge system is characterized by comprising a biochemical tank unit, a pretreatment tank unit, a sludge storage tank unit and a sludge discharge control unit;
the biochemical tank unit comprises a biochemical tank, a first sludge concentration meter, a first liquid level meter, a first sludge pump and a first sludge pump control module, wherein the biochemical tank comprises water inlet aeration, sedimentation and decanting idle stages, the first sludge concentration meter is used for measuring the sludge concentration of the biochemical tank, the first liquid level meter is used for measuring the liquid level height of the biochemical tank, the first sludge pump control module controls the first sludge pump to operate according to a control signal sent by the sludge discharge control unit, and the first sludge pump discharges sludge in the biochemical tank to the sludge storage tank;
the pretreatment tank unit comprises a pretreatment tank, a second sludge concentration meter, a second sludge pump and a second sludge pump control module, wherein the second sludge concentration meter is used for measuring the sludge concentration of the pretreatment tank, the second sludge pump control module controls the second sludge pump to run according to a control signal sent by the sludge discharge control unit, and the second sludge pump discharges the sludge in the pretreatment tank to the sludge storage tank;
the mud storage tank unit comprises a mud storage tank, and mud in the mud storage tank has a mud standard concentration range;
the sludge discharge control unit calculates the sludge discharge amount of the biochemical tank in the decanting idle stage according to the data acquired by the first sludge concentration meter and the first liquid level meter, and sends a control signal to the first sludge pump control module according to the sludge discharge amount; according to the formula: the method comprises the steps of obtaining the sludge discharge volume of a pretreatment tank by the sludge discharge volume of a biochemical tank and the sludge discharge volume of the pretreatment tank, and sending a control signal to a second sludge pump control module according to the sludge discharge volume of the pretreatment tank so that the sludge concentration in the sludge storage tank is in the sludge standard concentration range of the sludge storage tank;
the sludge discharge amount calculation process of the biochemical tank in the decanting idle stage is as follows:
obtaining the total sludge amount of the biochemical tank through the sludge concentration, the liquid level height and the area of the biochemical tank, wherein if the total sludge amount of the biochemical tank is not greater than the total sludge amount threshold of the biochemical tank, the sludge discharge amount of the biochemical tank in the decanting idle stage is zero; if the total sludge amount of the biochemical tank is larger than the total sludge amount threshold of the biochemical tank, obtaining the total sludge amount upper limit of the biochemical tank every day by dividing the total sludge amount by the minimum sludge age allowed by the normal operation of the biochemical tank, obtaining the upper limit of the sludge discharge amount of each time according to the sludge discharge times of the biochemical tank every day, subtracting the total sludge amount threshold of the biochemical tank from the total sludge amount of the biochemical tank to obtain the sludge discharge amount of this time, and if the sludge discharge amount of this time is larger than the upper limit of the sludge discharge amount of each time, obtaining the upper limit of the sludge discharge amount of each time as the sludge discharge amount of the biochemical tank in the decanting idle stage; and if the current sludge discharge amount is not more than the upper limit of each sludge discharge amount, the current sludge discharge amount is the sludge discharge amount of the biochemical tank in the decanting idle stage.
2. The sludge discharge system of claim 1, wherein the sludge storage tank unit further comprises a pretreatment Chi Paini flow meter, wherein the pretreatment tank sludge discharge flow meter is connected with the sludge discharge control unit for counting the real-time sludge discharge volume of the pretreatment tank unit, and the sludge discharge control unit controls the second sludge pump to stop operation when the real-time sludge discharge volume is equal to the sludge discharge volume of the pretreatment tank.
3. The sludge discharge system of claim 1 wherein the control signal is an operating time of the sludge pump.
4. The sludge discharge system of claim 1, wherein the control signals are a start operation signal and an end operation signal of the sludge pump.
5. The sludge discharge system of claim 1, wherein the pretreatment tank comprises a primary sedimentation tank or a hydrolytic acidification tank.
6. The sludge discharge system of claim 1, wherein the number of the pretreatment tank units is at least two, each pretreatment tank unit further comprising a sludge level meter for measuring a sludge level of the pretreatment tank unit and transmitting the sludge level data to the sludge discharge control unit, the control unit transmitting a control signal of the second sludge pump to the pretreatment tank unit having the highest sludge level.
7. The sludge discharge system as claimed in claim 1, wherein the sludge storage tank unit further comprises a biochemical Chi Paini flow meter and a biochemical tank sludge discharge concentration meter, wherein the biochemical Chi Paini flow meter and the biochemical tank sludge discharge concentration meter are connected with the sludge discharge control unit, the biochemical tank sludge discharge flow meter is used for counting the sludge discharge volume of the biochemical tank unit, the biochemical tank sludge discharge concentration meter is used for measuring the sludge discharge concentration of the biochemical tank, the sludge discharge control unit gives a start operation signal to the first sludge pump control unit when the biochemical tank is in a water decanting idle stage for discharging sludge, the first sludge pump starts to operate, the sludge discharge amount actually discharged by the biochemical tank is counted by the biochemical tank sludge discharge flow meter and the biochemical tank sludge discharge concentration meter, and when the sludge amount actually discharged is equal to the sludge discharge amount of the biochemical tank in the water decanting idle stage, the sludge discharge control unit gives an end operation signal to the first sludge pump control unit, and the first sludge pump ends to operate.
8. The sludge discharge system of claim 1, wherein the sludge storage tank further comprises a third sludge concentration meter for measuring a sludge concentration of the sludge storage tank, and the sludge discharge control unit controls the second sludge pump to operate when a measured value of the third sludge concentration meter is lower than a standard concentration range of the sludge storage tank; when the measured value of the third sludge concentration meter is in the standard concentration range of the sludge storage tank, the sludge discharge control unit controls the second sludge pump to stop running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459312.5A CN114014436B (en) | 2021-12-02 | 2021-12-02 | Mud discharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459312.5A CN114014436B (en) | 2021-12-02 | 2021-12-02 | Mud discharging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114014436A CN114014436A (en) | 2022-02-08 |
| CN114014436B true CN114014436B (en) | 2023-05-26 |
Family
ID=80067562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111459312.5A Active CN114014436B (en) | 2021-12-02 | 2021-12-02 | Mud discharging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114014436B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116149244B (en) * | 2022-07-28 | 2024-02-27 | 安徽万舟清环境科技有限公司 | System for monitoring ship sewage storage, transfer and delivery process |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0790231B2 (en) * | 1987-03-18 | 1995-10-04 | 日立機電工業株式会社 | Control method for batch type waste water treatment equipment |
| JPH0713838Y2 (en) * | 1988-08-16 | 1995-04-05 | 株式会社明電舎 | Wastewater sludge control device |
| CN102087523A (en) * | 2009-12-08 | 2011-06-08 | 机科发展科技股份有限公司 | Automatic control system and method of sludge age in biological nitrogen and phosphorus removal |
| CN111437638A (en) * | 2020-05-08 | 2020-07-24 | 北京北排科技有限公司 | Sludge discharge system and sludge discharge method of primary sedimentation tank |
| CN111807662B (en) * | 2020-06-16 | 2024-01-05 | 上海市政工程设计研究总院（集团）有限公司 | Online concentrated continuous flow modularization mud storage pond |
| CN112504352A (en) * | 2020-12-24 | 2021-03-16 | 成都天源水务有限责任公司 | Automatic sewage monitoring system |
| CN113371822A (en) * | 2021-07-22 | 2021-09-10 | 许孝瑜 | Reactor for treating sewage of villages and towns based on aerobic granular sludge and sewage treatment method |
-
2021
- 2021-12-02 CN CN202111459312.5A patent/CN114014436B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114014436A (en) | 2022-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105155651A (en) | Negative pressure drainage system and drainage method | |
| CN111484198A (en) | Intelligent water quality purification phosphorus removal device, control system and control method | |
| CN114014436B (en) | Mud discharging system | |
| CN104763644A (en) | Optimized operation control device and method of excess sludge pump of sewage treatment plant under dynamic condition | |
| CN209740814U (en) | Carbon source optimizing and adding system for AAO process sewage treatment plant | |
| CN216584642U (en) | Integrated sewage treatment equipment | |
| CN207780588U (en) | A kind of reconstituted tobacoo processing waste water treatment of pharmaceutical products addition control system | |
| CN110436628A (en) | A kind of improved oxidation ditch biochemical wastewater treatment system | |
| CN202705198U (en) | Micropollution drinking water treatment device | |
| CN216997850U (en) | Carbon source adding device for AAO process sewage treatment | |
| CN212770334U (en) | Integrated sewage treatment device | |
| CN212800037U (en) | Integrated sewage treatment equipment | |
| CN209322663U (en) | A kind of wastewater treatment integrated apparatus | |
| CN111777164A (en) | TN accurate control system | |
| CN113149192A (en) | Aeration regulation and control method for oxidation ditch of municipal sewage treatment system | |
| CN207792990U (en) | A kind of sewage disposal system | |
| CN207047063U (en) | A kind of sewage-treatment plant | |
| CN204099233U (en) | Dynamically lower sewage treatment plant residual sludge pump optimizing operation control device | |
| CN204727722U (en) | For the Microorganism incubation filter bed of sewage disposal | |
| CN216472737U (en) | Sludge concentration remote monitoring and automatic adjustment system | |
| CN218709754U (en) | Accurate dosing system of sewage treatment dephosphorization agent | |
| CN2885380Y (en) | Water-filtering purifier | |
| CN219174340U (en) | Novel sludge reduction integrated sewage treatment device | |
| CN1958122A (en) | Filtration water purifier and water purification technique | |
| CN205170422U (en) | Combined dosing 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |