CN114014436A - Sludge discharge system - Google Patents
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- CN114014436A CN114014436A CN202111459312.5A CN202111459312A CN114014436A CN 114014436 A CN114014436 A CN 114014436A CN 202111459312 A CN202111459312 A CN 202111459312A CN 114014436 A CN114014436 A CN 114014436A
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
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- 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
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Abstract
The invention discloses a sludge discharge system, relating to the technical field of sewage treatment, which calculates the sludge discharge amount of a biochemical tank in a decanting idle stage according to data collected by a first sludge concentration meter and a first liquid level meter when the biochemical tank unit is in an aeration stage, and sends a control signal to the first sludge control module according to the sludge discharge amount, solves the problem of unsatisfactory sewage treatment effect caused by inaccurate sludge discharge, and further, sending a control signal to the second sludge control module according to the standard concentration range of the sludge in the sludge storage tank, the sludge concentration in the primary sedimentation tank and the sludge discharge amount of the biochemical tank in the decanting idle stage, the sludge concentration in the sludge storage tank is within the standard concentration range of the sludge in the sludge storage tank, the problem that the sludge dewatering efficiency is low due to large concentration fluctuation of the sludge storage tank when the sludge is directly discharged to the sludge storage tank on the premise of no concentration tank is solved, and the sludge dewatering device is suitable for sewage treatment.
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 consuming pollutants in the sewage by using various microorganisms in the nature, and the microorganisms and extracellular polymeric substances thereof are aggregated to adsorb suspended particulate matters, namely activated sludge. The microbial community can be continuously increased and bred in an environment suitable for growth, and if the microbial community scale exceeds the design range of a sewage treatment plant, normal production operation is difficult to ensure, so that a certain amount of microbes and pollutants adsorbed by the microbes are regularly discharged out of the system in the operation process of the sewage treatment plant adopting an activated sludge process.
The existing sludge discharge is discharged by manually controlling the starting and stopping of a sludge pump, or is discharged in turn after setting the timing and the quantification for each pool, and the essence is that people directly control the discharge of residual sludge. On one hand, a plurality of staff in the operating team have different qualities, the operation randomness is high, the over-discharge or the under-discharge is easy, and the sewage treatment effect is not ideal; on the other hand, on the premise of not having the concentration tank, directly discharge mud to the mud storage tank, can make mud concentration fluctuation in the mud storage tank great, influence sludge dewatering efficiency, manual control is difficult to reach ideal effect.
Disclosure of Invention
The technical problems solved by the invention are as follows: the utility model provides a arrange mud system solves the not ideal problem of sewage treatment effect that leads to of the not accurate mud of discharging, further solves under the prerequisite that does not have the concentrated pond, directly discharges mud to the mud storage pond and can make the mud dehydration inefficiency because of the mud storage pond concentration fluctuation is great problem.
The invention adopts the technical scheme for solving the technical problems that: the sludge discharge system comprises 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 instrument, a first sludge pump and a first sludge pump control module, 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, 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 operate 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 sludge storage tank unit comprises a sludge storage tank, and the sludge in the sludge storage tank has a standard concentration range of sludge;
the sludge discharge control unit calculates the sludge discharge amount of the biochemical tank in the decanting idle stage according to the data collected 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 standard concentration range of the sludge in the sludge storage tank, the sludge concentration in 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 standard concentration range of the sludge in the sludge storage tank.
Further, the calculation process of the sludge discharge amount 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 biochemical tank area, and if the total sludge amount of the biochemical tank is not more than the total sludge amount threshold value 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 discharge amount upper limit of the biochemical tank in each day by dividing the total sludge amount by the minimum sludge age allowed by normal operation of the biochemical tank, then obtaining the upper limit of the sludge discharge amount of each time according to the sludge discharge times of the biochemical tank in each day, obtaining the sludge discharge 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 the sludge discharge amount every time, the current sludge discharge amount is the sludge discharge amount of the biochemical tank in the decanting idle stage.
Further, according to the formula: and (2) obtaining the sludge discharge volume of the pretreatment tank according to the sludge discharge volume of the pretreatment tank, and sending a control signal to the second sludge control module according to the sludge discharge volume of the pretreatment tank.
Further, store up mud pond unit and still include pretreatment tank mud discharge flowmeter, pretreatment tank mud discharge flowmeter links to each other with row mud the control unit for the real-time mud volume of arranging of statistics pretreatment pond unit, when the real-time mud volume of arranging equals the row mud volume in pretreatment tank, row mud the control unit control second sludge pump shut down.
Further, the control signal is the running time of the sludge pump.
Further, the control signal is a starting operation signal and an ending operation signal of the sludge pump.
Further, the pretreatment tank comprises a primary sedimentation tank or a hydrolysis acidification tank.
Further, the number of the pretreatment tank units is at least two, each pretreatment tank unit further comprises a sludge level meter for measuring the sludge height of the pretreatment tank unit and sending sludge height data to the sludge discharge control unit, and the control unit sends the second sludge pump operation time to the pretreatment tank unit with the highest sludge height.
Further, the sludge storage tank unit also comprises a biochemical tank sludge discharge flowmeter and a biochemical tank sludge discharge concentration meter, the biochemical tank sludge discharge flowmeter and the biochemical tank sludge discharge concentration meter are both 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 sludge discharge concentration meter of the biochemical tank is used for measuring the concentration of sludge discharged from the biochemical tank, the sludge discharge control unit gives a signal for starting operation to the first sludge pump control unit when the sludge is discharged in the decanting idle stage of the biochemical tank, the first sludge pump starts to operate, the sludge discharge flow meter of the biochemical tank and the sludge discharge concentration meter of the biochemical tank are utilized for counting the actual discharged sludge amount of the biochemical tank, when the actual sludge discharge amount is equal to the sludge discharge amount of the biochemical tank in the decanting idle stage, the sludge discharge control unit gives a stop operation signal to the first sludge pump control unit, and the first sludge pump stops operating.
The sludge storage tank also 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; and when the measured value of the three sludge concentration meters is within the standard concentration range of the sludge storage pool, 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 collected 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 that the sewage treatment effect is not ideal due to inaccurate sludge discharge is solved; furthermore, control signals are sent to the second sludge control module according to the standard concentration range of the sludge in the sludge storage tank, the sludge concentration in 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 standard concentration range of the sludge in the sludge storage tank, and the problem of low sludge dewatering efficiency caused by large concentration fluctuation of the sludge storage tank when the sludge is directly discharged into the sludge storage tank on the premise of no concentration tank is solved.
Drawings
FIG. 1 is a schematic view of the connection relationship of the sludge discharge system of the present invention.
Detailed Description
The sludge discharge system comprises 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 instrument, a first sludge pump and a first sludge pump control module, 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 stages of water inlet aeration, sedimentation and decanting of the biochemical tank are a cycle period, and the water inlet aeration stage is directed to the aeration while injecting sewage into the biochemical tank; the aeration stage is to provide air to the biochemical tank, meet the requirement of aerobic microorganisms on oxygen and fully mix the activated sludge and the sewage; the sedimentation stage is to stop aeration, the activated sludge is precipitated and separated under the almost static condition, the activated sludge is settled to the bottom of the pool, namely the sludge discharged from the biochemical pool, and the concentration of the sludge is low; the decanting idle stage means that the decanter discharges supernatant liquor in the biochemical tank from top to bottom and returns to the original position. The sludge discharge time of the biochemical tank is in a decanting and idling 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, 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 operate 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 function of preliminary treatment pond is to get rid of precipitable thing, alleviates the burden for the biochemical pond, but the precipitable thing deposit is the mud in the preliminary treatment pond just in preliminary treatment pond low, and this mud concentration is higher.
The sludge storage tank unit comprises a sludge storage tank, and the sludge in the sludge storage tank has a standard concentration range of sludge;
specifically, when the sludge concentration in the sludge storage tank is within a 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 collected 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 standard concentration range of the sludge in the sludge storage tank, the sludge concentration in 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 standard concentration range of the sludge in the sludge storage tank.
Specifically, the total sludge amount of the biochemical tank is obtained through the sludge concentration, the liquid level height and the biochemical tank area, if the total sludge amount of the biochemical tank is not larger than the total sludge amount threshold of the biochemical tank, the biochemical tank does not discharge sludge, if the total sludge amount of the biochemical tank is larger than the total sludge amount threshold of the biochemical tank, the total sludge amount is divided by the minimum sludge age allowed by normal operation of the biochemical tank to obtain the total sludge amount upper limit of the biochemical tank per day, then the upper limit of the sludge discharge amount of each time is obtained according to the sludge discharge times of the biochemical tank per day, the total sludge amount of the biochemical tank is subtracted by the total sludge amount threshold of the biochemical tank to obtain the sludge discharge amount of the current time, and if the sludge discharge amount of the current time is larger than the sludge discharge amount upper limit 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; if the current sludge discharge amount is not more than the upper limit of the sludge discharge amount each time, the current sludge discharge amount is the sludge discharge amount of the biochemical tank in the idle decanting stage, the sludge discharge amount of the biochemical tank in the idle decanting stage is divided by the sludge concentration of the biochemical tank in the settling stage to obtain the sludge discharge volume of the biochemical tank, the sludge discharge volume is divided by the sludge discharge speed of the first sludge pump to obtain the running time of the first sludge pump, the sludge concentration of the biochemical tank in the settling stage has certain error, so that the running time of the first sludge pump can have certain error under the control of the running time of the first sludge pump, in order to reduce the error, the sludge discharge flow meter of the biochemical tank and the sludge discharge concentration meter of the biochemical tank are added in the sludge storage tank unit, the sludge discharge flow meter of the biochemical tank and the sludge discharge concentration meter of the biochemical tank are both connected with the sludge discharge control unit, and when the sludge is discharged in the idle decanting stage of the biochemical tank, the sludge discharge control unit gives a starting operation signal to the first sludge pump control unit, the first sludge pump starts to operate, the actual discharged sludge amount of the biochemical tank is counted by utilizing the biochemical tank sludge discharge flow meter and the biochemical tank sludge discharge concentration meter which are added by the sludge storage tank unit, when the actual discharged sludge amount is equal to the sludge amount of the biochemical tank in the decanting idle stage, the sludge discharge control unit gives an ending operation signal to the first sludge pump control unit, the first sludge pump finishes operating, so that the sludge amount of the biochemical tank is consistent with the actual discharge amount, and the control error is reduced.
According to the formula: the sludge storage tank concentration within the standard concentration range is (sludge discharge amount of the biochemical tank in the decanting idle stage + sludge concentration of the pretreatment tank multiplied by sludge discharge volume of the pretreatment tank) ÷ (sludge discharge volume of the biochemical tank + sludge discharge volume of the pretreatment tank), the sludge discharge volume of the pretreatment tank is obtained, the sludge discharge volume of the pretreatment tank is divided by the sludge discharge speed of the second sludge pump to obtain the running time of the second sludge pump, and as the running time of the second sludge pump belongs to a theoretical calculation value, the running time of the second sludge pump is controlled in the actual process, so that the sludge discharge volume of the pretreatment tank possibly has certain error, therefore, the sludge discharge flow meter of the pretreatment tank is added in the sludge storage tank unit, the sludge discharge flow meter of the pretreatment tank is connected with the sludge discharge control unit and is used for counting the real-time sludge discharge volume of the pretreatment tank unit, and the sludge control unit controls the sludge discharge control unit to give a running starting signal to the second sludge unit, the second sludge pump begins to operate, when the real-time volume of pretreatment tank row mud flowmeter statistics equals with the row mud volume of the pretreatment tank that obtains through the formula calculation, arrange the mud control unit and give the second sludge pump control unit one and finish the operation signal, the operation is ended to the second sludge pump, can guarantee like this that the actual row mud volume data of pretreatment tank is accurate to make the mud concentration in the mud storage tank stable.
Specifically, the connection relationship of the sludge discharge system is shown in the attached 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, a first sludge pump is connected with the first sludge pump control module, a 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 the 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 the continuous sewage injection can be realized, and the sewage treatment efficiency is improved.
In order to guarantee the sludge concentration in the sludge storage tank, the number of the pretreatment tank units is at least two, 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 the 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 sufficient high-concentration sludge can be obtained to improve the sludge concentration in the sludge storage tank.
In order to ensure the accuracy of the sludge discharge system, a third sludge concentration meter is added in the sludge storage tank and is used for measuring the sludge concentration of the sludge storage tank and can be used for verifying the accuracy of the system, or the measured value of the third sludge concentration meter can be compared with the standard concentration range of the sludge storage tank, 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 within the standard concentration range of the sludge storage tank, the second sludge pump is controlled to stop operating.
In the invention, the pretreatment tank comprises a primary sedimentation tank or a hydrolysis acidification tank.
Claims (10)
1. The sludge discharge system is characterized by comprising a biochemical pond unit, a pretreatment pond unit, a sludge storage pond unit and a sludge discharge control unit;
the biochemical tank unit comprises a biochemical tank, a first sludge concentration meter, a first liquid level instrument, a first sludge pump and a first sludge pump control module, 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, 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 operate 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 sludge storage tank unit comprises a sludge storage tank, and the sludge in the sludge storage tank has a standard concentration range of sludge;
the sludge discharge control unit calculates the sludge discharge amount of the biochemical tank in the decanting idle stage according to the data collected 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 standard concentration range of the sludge in the sludge storage tank, the sludge concentration in 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 standard concentration range of the sludge in the sludge storage tank.
2. The sludge discharging system of claim 1, wherein the sludge discharging amount of the biochemical tank in the decanting idle stage is calculated as follows:
obtaining the total sludge amount of the biochemical tank through the sludge concentration, the liquid level height and the biochemical tank area, and if the total sludge amount of the biochemical tank is not more than the total sludge amount threshold value 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 discharge amount upper limit of the biochemical tank in each day by dividing the total sludge amount by the minimum sludge age allowed by normal operation of the biochemical tank, then obtaining the upper limit of the sludge discharge amount of each time according to the sludge discharge times of the biochemical tank in each day, obtaining the sludge discharge 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 the sludge discharge amount every time, the current sludge discharge amount is the sludge discharge amount of the biochemical tank in the decanting idle stage.
3. The mud discharge system of claim 1, wherein, according to the formula: and (2) obtaining the sludge discharge volume of the pretreatment tank according to the sludge discharge volume of the pretreatment tank, and sending a control signal to the second sludge control module according to the sludge discharge volume of the pretreatment tank.
4. The sludge discharge system of claim 3, wherein the sludge storage tank unit further comprises a pretreatment tank sludge discharge flow meter, the pretreatment tank sludge discharge flow meter 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.
5. A sludge discharge system according to any of the claims 1-3 wherein the control signal is the operation time of the sludge pump.
6. A sludge discharge system according to any of the claims 1-3 wherein the control signal is a start operation signal and an end operation signal of a sludge pump.
7. A sludge discharge system according to any one of claims 1 to 3 wherein the pre-treatment tank comprises a primary settling tank or a hydrolysis acidification tank.
8. A sludge discharging system according to any one of the claims 1 to 3, wherein there are at least two pretreatment tank units, each pretreatment tank unit further comprising a sludge level meter for measuring a sludge level of the pretreatment tank unit and transmitting sludge level data to a sludge discharge control unit, said control unit transmitting a control signal of the second sludge pump to the pretreatment tank unit having the highest sludge level.
9. The sludge discharge system according to any one of claims 1 to 3, wherein the sludge storage tank unit further comprises a biochemical tank sludge discharge flow meter and a biochemical tank sludge discharge concentration meter, both of which are connected to a 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 concentration discharged from the biochemical tank, the sludge discharge control unit gives a start operation signal to the first sludge pump control unit when sludge discharge is performed in a decantation idle stage of the biochemical tank, the first sludge pump starts to operate, the biochemical tank sludge discharge flow meter and the biochemical tank sludge discharge concentration meter are used for counting the sludge amount actually discharged from the biochemical tank, the sludge discharge control unit gives an end operation signal to the first sludge pump control unit when the actually discharged sludge amount is equal to the sludge amount of the biochemical tank in the decantation idle stage, the first sludge pump ends operation.
10. The sludge discharging system as claimed in any one of claims 1 to 3, wherein the sludge storage tank further comprises a third sludge concentration meter 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 discharging control unit controls the second sludge pump to operate; and when the measured value of the three sludge concentration meters is within the standard concentration range of the sludge storage pool, the sludge discharge control unit controls the second sludge pump to stop running.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116149244A (en) * | 2022-07-28 | 2023-05-23 | 安徽万舟清环境科技有限公司 | System for monitoring ship sewage storage, transfer and delivery process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63229194A (en) * | 1987-03-18 | 1988-09-26 | Hitachi Kiden Kogyo Ltd | Method for controlling batch type drainage processing equipment |
| JPH0228800U (en) * | 1988-08-16 | 1990-02-23 | ||
| 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 |
| CN111807662A (en) * | 2020-06-16 | 2020-10-23 | 上海市政工程设计研究总院（集团）有限公司 | Continuous flow modularization mud storage pool with online concentration function |
| 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
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63229194A (en) * | 1987-03-18 | 1988-09-26 | Hitachi Kiden Kogyo Ltd | Method for controlling batch type drainage processing equipment |
| JPH0228800U (en) * | 1988-08-16 | 1990-02-23 | ||
| 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 |
| CN111807662A (en) * | 2020-06-16 | 2020-10-23 | 上海市政工程设计研究总院（集团）有限公司 | Continuous flow modularization mud storage pool with online concentration function |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116149244A (en) * | 2022-07-28 | 2023-05-23 | 安徽万舟清环境科技有限公司 | System for monitoring ship sewage storage, transfer and delivery process |
| 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 |
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