CN116081907A - Sludge organic-inorganic separation system and control method thereof - Google Patents

Abstract

The invention discloses a sludge organic-inorganic separation system and a control method thereof. A measurement unit is respectively arranged at the feed port of the separation unit and the discharge port of the organic sludge, and the flow rate of the sludge feed and the organic sludge after separation are monitored by the measurement unit. The output flow rate of sludge is transmitted to the main control unit through the data transmission unit, and the main control unit makes timely signal feedback to the control unit to adjust the sludge feeding rate according to the real-time transmission of the sludge feeding speed and the separation working status of the separation unit. Controlling, or regulating the discharge flow rate of the organic sludge discharge port, in order to realize intelligent monitoring and regulation of the working state of the sludge organic-inorganic separation system, and improve the stability, accuracy and effect of sludge organic-inorganic separation.

Description

A sludge organic-inorganic separation system and its control method

technical field

The invention belongs to the technical field of sludge treatment and automatic control, and in particular relates to a sludge organic-inorganic separation system and a control method thereof.

Background technique

In recent years, with the continuous improvement of the level of urbanization, while the discharge of urban sewage has continued to increase, the amount of sludge produced in the process of sewage treatment has also continued to increase. Separation of organic sludge before incineration, anaerobic fermentation, etc., can effectively increase the calorific value of the organic part, reduce the cost of coal blending, increase the organic load and production capacity of anaerobic fermentation, and reduce sludge Risk of fouling anaerobic systems with inorganic grit.

Cyclones are commonly used for separation and classification. The separation effect is not only affected by structural parameters such as the size of the cyclone, but also the pressure of the feed is an important factor, and the feed pressure also directly affects the feed speed. It is generally believed that the hydrocyclone has a critical optimal feed rate for separation and classification, and the separation effect increases with the increase of the feed rate. After reaching the critical optimal feed rate, continuing to increase the feed rate will lead to a change in the separation effect. Difference.

During the actual separation operation of the cyclone, due to various factors such as the nature of the sludge, the working conditions and the wear of the cyclone, the speed of the sludge feeding will fluctuate to varying degrees, resulting in the separation of organic and inorganic sludge. The effect is unstable or poor. In addition, the sludge separation effect is usually calculated and judged after drying and testing related indicators. There are problems such as long detection period, difficulty in real-time reflection and control of the working status of the separation system, and large differences in the separated sludge.

Contents of the invention

The technical problem to be solved by the present invention is that during the actual operation of the project, the speed of the cyclone feed has an important influence on the separation effect of sludge organic and inorganic, and to solve the problems caused by the nature of the sludge, working conditions and the wear and tear of the cyclone. Feed speed fluctuations caused by other aspects, unable to monitor the sludge separation effect in real time and regulate the working state of the separation system, and provide a cyclone working state that realizes intelligent monitoring and regulation of sludge organic-inorganic separation, and improves sludge organic-inorganic separation. Separation stability, precision and effect Sludge organic and inorganic separation system and its control method.

In order to solve the above technical problems, one aspect of the present invention provides a sludge organic-inorganic separation system, which includes a main control unit, a data transmission unit, a control unit, a sludge modification unit, a power unit, a measurement unit, a separation unit and a sludge storage unit; the main control unit is respectively connected to the data transmission unit and the control unit; the data transmission unit is connected to the measurement unit; the control unit is respectively connected to the sludge modification unit and the A power unit; the measurement unit is respectively connected to the separation unit and the sludge storage unit; wherein,

The measurement unit is used to monitor the sludge feed rate and flow rate of the feed port of the separation unit, the organic sludge output flow rate of the overflow port of the separation unit, the sludge in the sludge storage unit Liquid level height;

The data transmission unit is used to transmit the data acquired by the measurement unit to the main control unit;

The main control unit is used to collect, display and store the data transmitted by the data transmission unit in real time, and quickly process and judge according to the transmitted data, and issue corresponding control instructions to the control unit in time;

The control unit includes a control part and a regulation part, the control part is used to control the start and stop of the power unit and control the sludge modification unit to complete sludge modification; the regulation part is used to According to the instructions issued by the control unit, the sludge feed rate and flow rate at the feed port of the separation unit and the organic sludge discharge flow rate at the overflow port of the separation unit are adjusted to realize the work of the sludge organic-inorganic separation system state regulation.

As a preferred version of the above-mentioned sludge organic-inorganic separation system, the separation unit is a cyclone, the sludge storage unit includes an inorganic sludge storage tank and an organic sludge storage tank, and the feed port of the separation unit is connected to the sludge storage tank. The mud modification unit is connected, the discharge port of the separation unit is connected with the inorganic mud storage tank, and the overflow port of the separation unit is connected with the organic mud storage tank.

As a preferred solution of the above-mentioned sludge organic-inorganic separation system, the sludge modification unit includes a sludge modification tank with an agitator, the sludge modification tank is provided with a pH monitor, and the sludge modification The tank is connected with a dosing device.

As a preferred solution of the above-mentioned sludge organic-inorganic separation system, the power unit includes a sludge feed pump and a sludge pump, the sludge feed pump is connected to the feed port of the sludge modification tank, the The discharge port of the sludge modification tank is connected to the feed port of the cyclone through the sludge pump; the sludge feed pump is a screw pump.

As a preferred solution of the above-mentioned sludge organic-inorganic separation system, the regulating part includes a frequency conversion pump, a reflux device and a regulating valve, the frequency conversion pump is a mud pump of a power unit, and the reflux device is connected in parallel with the frequency conversion pump, The regulating valve is connected to the pipeline from the overflow port of the separation unit to the organic mud storage tank.

As a preferred solution of the above-mentioned sludge organic-inorganic separation system, the measurement unit includes a first intelligent electromagnetic flowmeter, a second intelligent electromagnetic flowmeter, a first radar level gauge and a second radar level gauge, and the first intelligent electromagnetic flowmeter The electromagnetic flowmeter is connected to the pipeline near the feed inlet side of the separation unit, the second intelligent electromagnetic flowmeter is connected to the pipeline near the overflow outlet side of the separation unit, and the first radar The liquid level gauge is connected to the top of the inorganic mud storage tank, and the second radar liquid level gauge is connected to the top of the organic mud storage tank.

As a preferred solution of the above-mentioned sludge organic-inorganic separation system, the sludge organic-inorganic separation system also includes an emergency stop unit and an alarm unit respectively connected to the control unit, and the emergency stop unit is used for system failure. And after the main control unit sends out the regulation command for the second time, it still cannot meet the predetermined feed rate and separation flow range of the system, and performs emergency braking and stopping; the alarm unit is used to give an alarm prompt after failure and emergency braking.

As a preferred solution of the above-mentioned sludge organic-inorganic separation system, the sludge organic-inorganic separation system also includes a cleaning unit connected to the control unit, the cleaning unit is arranged at the front end of the whole set of sludge separation system, and the cleaning unit Connected to tap water, the control unit can control the cleaning unit to clean the entire separation system according to actual work and operation requirements.

Another aspect of the present invention provides a control method according to the sludge organic-inorganic separation system described above, which includes:

Monitoring the sludge feed rate and flow rate at the feed port of the separation unit, the discharge flow rate of organic sludge at the overflow port of the separation unit, and the sludge liquid level in the sludge storage unit through the measurement unit;

The data acquired by the measurement unit is transmitted to the main control unit through the data transmission unit;

Collect, display and store the data transmitted by the data transmission unit in real time through the main control unit, and quickly process and judge according to the transmitted data, and issue corresponding control instructions to the control unit in time; among them, the control unit set in the main control unit The parameter range includes: the sludge critical feed rate range V1~V2 determined during the system debugging stage, the sludge flow rate range Q1~Q2 at the critical feed rate, and the organic sludge discharge flow range Q3~ at the overflow port after separation. Q4, and the ratio K1~K2 of the separated organic sludge and inorganic sludge determined by the laboratory;

When the sludge feed rate V<V1, the feed rate of the sludge into the separation unit is increased through the control unit;

When the sludge feed rate V<V1, and after increasing the feed rate of the sludge into the separation unit through the control unit, but still unable to reach the set sludge critical feed rate range, the signal is transmitted to the main control unit to issue regulation again Instructions, if the set critical feed rate range of sludge still cannot be reached, the user will be alerted to remind the user to check the amount of sludge in the sludge modification tank and the fault problem;

When the sludge feed rate V>V2, reduce the feed rate of the sludge into the separation unit through the control unit;

When the discharge flow rate of the organic sludge at the overflow port after separation is Q<Q3, and the discharge flow rate of the inorganic sludge grit chamber Q1-Q>Q, the feed rate of the sludge entering the separation unit is reduced through the control unit;

When the discharge flow rate of organic sludge at the overflow port after separation is Q>Q4, and the discharge flow rate of inorganic sludge at the grit chamber is Q2-Q<Q, the feed rate of the sludge entering the separation unit can be increased and reduced by the control unit. Organic sludge discharge flow at the overflow port.

计算污泥分离后有机无机比，检测实际运行污泥有机无机分离效果；As a preferred solution of the above control method, the data measured by the measurement unit per minute of the system is transmitted to the main control unit for recording in real time through the data transmission unit, and the

Calculate the organic-inorganic ratio after sludge separation, and test the actual operating sludge organic-inorganic separation effect;

When the actual separation ratio of organic and inorganic sludge is K<K1, it means that the output of organic sludge after separation is too much;

When the actual separation ratio of organic and inorganic sludge is K>K2, it means that the output of inorganic sludge after separation is too much;

Under the premise that the sludge feed rate and the discharge flow rate of the organic sludge overflow after separation are within the set range, the actual separation ratio of organic and inorganic sludge still does not meet the separation ratio range determined by the laboratory, then Re-commissioning is required to determine the critical feed rate range for sludge.

Implementing a kind of sludge organic-inorganic separation system and its control method provided by the present invention, compared with the prior art, its beneficial effect is:

The present invention can monitor in real time the sludge feed rate and flow rate of the feed port of the separation unit, and the organic sludge output flow rate of the overflow port of the separation unit, and compare it with the data determined by the debugging and laboratory results to obtain the sludge The regulation of organic sludge separation effect provides a theoretical basis, and the regulation can be made quickly according to different working conditions of the system, effectively improving the stability and accuracy of sludge organic-inorganic separation. In addition, the equipment and facilities adopted in the present invention are simple, convenient in operation and maintenance management and operation, and have a high degree of automation, and have a good promotion basis for the wide application of sludge organic and inorganic separation treatment.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings of the embodiments will be briefly introduced below.

Fig. 1 is a block diagram of a kind of sludge organic-inorganic separation system provided by the invention;

Fig. 2 is the structural representation of a kind of sludge organic-inorganic separation system provided by the present invention;

Fig. 3 is a control flow chart of a sludge organic-inorganic separation system provided by the present invention.

Detailed ways

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In describing the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom" etc. indicate an orientation or position The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention. It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish information of the same type from each other. For example, "first" information may also be referred to as "second" information without departing from the scope of the present invention, and similarly, "second" information may also be referred to as "first" information.

As shown in Figure 1 and Figure 2, the preferred embodiment of the present invention provides a sludge organic-inorganic separation system, which includes a main control unit 10, a data transmission unit 20, a control unit 30, a sludge modification unit 40, a power unit 50. A measurement unit 60, a separation unit 70, and a sludge storage unit 80; the main control unit 10 is connected to the data transmission unit 20 and the control unit 30 respectively; the data transmission unit 20 is connected to the measurement unit 60; The control unit 30 is respectively connected to the sludge modification unit 40 and the power unit 50; the measurement unit 60 is respectively connected to the separation unit 70 and the sludge storage unit 80; wherein,

The measurement unit 60 is used to monitor the sludge feed rate and flow rate of the feed port 703 of the separation unit 70, the organic sludge output flow rate of the overflow port 702 of the separation unit 70, the sludge storage The sludge level in unit 80;

The data transmission unit 20 is used to transmit the data obtained by the measurement unit 60 to the main control unit 10;

The main control unit 10 is used to collect, display and store the data transmitted by the data transmission unit 20 in real time, and quickly process and judge according to the transmitted data, so as to issue corresponding control instructions to the control unit 30 in time ;

The control unit 30 includes a control part and a regulation part, the control part is used to control the start and stop of the power unit 50 and control the sludge modification unit 40 to complete the sludge modification; The instruction issued by the main control unit 10 adjusts the sludge feed rate and flow rate of the feed port 703 of the separation unit 70 and the organic sludge discharge flow rate of the overflow port 702 of the separation unit 70 to achieve Adjustment of the working state of the sludge organic-inorganic separation system.

Exemplarily, the separation unit 70 is a cyclone 701, the sludge storage unit 80 includes an inorganic sludge storage tank 801 and an organic sludge storage tank 802, and the feed port 703 of the separation unit 70 is connected to the sludge The modification unit 40 is connected, the discharge port of the separation unit 70 is connected with the inorganic mud storage tank 801 , and the overflow port 702 of the separation unit 70 is connected with the organic mud storage tank 802 .

Exemplarily, the sludge modification unit 40 includes a sludge modification tank 401 with an agitator 402, the sludge modification tank 401 is provided with a pH monitor, and the sludge modification tank 401 is connected with Dosing device. Therefore, in the sludge modification stage, a modification reagent is added to the sludge modification tank 401 through the dosing device to destroy the EPS of the sludge, so that the viscosity of the sludge is reduced, and the inorganic gravel entrained by the extracellular polymer is effectively released. , and the sludge is stirred by the agitator 402 to release the inorganic gravel between the sludge to the greatest extent, and to improve the degree of organic-inorganic separation of subsequent sludge. Wherein, the pH monitor is used to monitor the reaction conditions after adding the sludge modifier.

Exemplarily, the power unit 50 includes a sludge feed pump 501 and a sludge pump 502, the sludge feed pump 501 is connected to the feed port of the sludge modification tank 401, and the sludge feed pump 501 provides conveying power for feeding to the sludge modification tank 401; the discharge port of the sludge modification tank 401 is connected with the feed port of the cyclone 701 through the sludge pump 502, and the sludge pump 502 provides conveying power for feeding the cyclone 701. In this embodiment, the sludge feed pump 501 is preferably a screw pump.

Exemplarily, the regulating part includes a variable frequency pump 301, a reflux device 302 and a regulating valve 303, the variable frequency pump 301 is the dredging pump 502 of the power unit 50, the reflux device 302 is connected in parallel with the variable frequency pump 301, The regulating valve 303 is connected to the pipeline from the overflow port 702 of the separation unit 70 to the organic sludge storage tank 802 . Wherein, the frequency conversion pump 301 and the reflux device 302 are used to regulate the feed rate of the sludge entering the separation unit 70 (i.e. the cyclone 701), and the regulating valve 303 is used to regulate the organic flow rate of the overflow port 702 after the sludge is separated. Sludge discharge flow.

Exemplarily, the measurement unit 60 includes a first intelligent electromagnetic flowmeter 601, a second intelligent electromagnetic flowmeter 602, a first radar level gauge 603 and a second radar level gauge 604, the first intelligent electromagnetic flowmeter 601 is connected to the pipeline near the inlet 703 of the separation unit 70, and the second intelligent electromagnetic flowmeter 602 is connected to the pipeline near the overflow port 702 of the separation unit 70. The first radar level gauge 603 is connected to the top of the inorganic mud storage tank 801 , and the second radar level gauge 604 is connected to the top of the organic mud storage tank 802 . Wherein, the first intelligent electromagnetic flowmeter 601 is used to monitor the feed rate and flow rate of the sludge entering the separation unit 70 (i.e. the cyclone 701); the second intelligent electromagnetic flowmeter 602 is used to monitor the overflow of sludge after separation. The discharge flow rate of organic sludge at the outlet 702; the first radar level gauge 603 is used to monitor the sludge liquid level height in the inorganic sludge storage tank 801, and transmit it to the main control unit 10 for display and record in real time The second radar level gauge 604 is used to monitor the sludge liquid level in the organic sludge storage tank 802, and transmit it to the main control unit 10 for display and record in real time.

Exemplarily, the sludge organic-inorganic separation system further includes an emergency stop unit 110, which is connected to the control unit 30, and the emergency stop unit 110 is used for system failure and After the above-mentioned main control unit 10 sends out the control command for the second time, it still cannot meet the predetermined feed rate and separation flow range of the system work, and then perform an emergency stop.

Exemplarily, the sludge organic-inorganic separation system further includes an alarm unit 100, which is connected to the control unit 30, and the alarm unit 100 is used to give an alarm prompt after a failure or an emergency stop.

Exemplarily, the sludge organic-inorganic separation system further includes a cleaning unit 90, the cleaning unit 90 is connected to the control unit 30, the cleaning unit 90 is arranged at the front end of the whole set of sludge separation system, the cleaning unit 90 connect tap water, control the water intake according to actual work and operation requirements, and clean the residual sludge in the sludge organic-inorganic separation system to prevent and solve the problem of pipeline blockage.

As shown in Figures 1 to 3, based on the above-mentioned sludge organic-inorganic separation system, the present invention also provides a control method for the sludge organic-inorganic separation system, which includes:

The sludge feed rate and flow rate of the feed port 703 of the separation unit 70, the organic sludge output flow rate of the overflow port 702 of the separation unit 70 and the sludge liquid level in the sludge storage unit 80 are monitored by the measurement unit 60 ;

The data acquired by the measurement unit 60 is transmitted to the main control unit 10 through the data transmission unit 20;

Collect, display and store the data transmitted by the data transmission unit 20 in real time through the main control unit 10, and quickly process and judge according to the transmitted data, and issue corresponding control instructions to the control unit 30 in time; wherein, the main control unit 10 The parameter ranges set in include: the range of sludge critical feeding speed V1~V2 determined in the system debugging stage, the range of sludge flow rate Q1~Q2 under the critical feeding speed, the organic sludge output from the overflow port 702 after separation Material flow range Q3~Q4, and the ratio K1~K2 of organic sludge and inorganic sludge after separation determined by the laboratory;

When the sludge feed rate V<V1, it means that the sludge feed rate is too small, and it is necessary to increase the feed rate of the sludge into the separation unit 70 through the control unit 30, that is, to increase the frequency of the frequency conversion pump 301 to increase the sludge feed rate. mud feed rate;

When the sludge feed rate V<V1, and after increasing the feed rate of the sludge into the separation unit 70 through the control unit 30, the set critical feed rate range of the sludge still cannot be reached, the signal is transmitted to the main control unit 10 Issue the regulation instruction again, if the set critical feed rate range of the sludge still cannot be reached, it means that the amount of sludge in the sludge modification tank 401 is insufficient, or there is a pipeline blockage in the system, and an alarm will be sent to the user to remind the user to check The amount of sludge in the sludge modification tank 401 and the fault problem;

When the sludge feed rate V>V2, it means that the sludge feed rate is too high, and it is necessary to reduce the feed rate of the sludge into the separation unit 70 through the control unit 30, that is, through the frequency conversion pump 301 and the reflux device 302, Reduce the feed rate of the sludge;

When the discharge flow rate of organic sludge at the overflow port 702 after separation is Q<Q3, and the discharge flow rate of inorganic sludge at the grit chamber Q1-Q>Q, it means that the sludge feed rate is too high and the light components are organic. The sludge obtains a larger centrifugal force in the separation unit 70 (i.e. the cyclone 701), so that more organic sludge is discharged from the grit chamber at the lower end of the separation unit 70 (i.e. the cyclone 701), so it is necessary to control The unit 30 reduces the feed rate of the sludge into the separation unit 70, that is, through the frequency conversion pump 301 and the reflux device 302, the feed rate of the sludge is reduced;

When the discharge flow rate of organic sludge at the overflow port 702 after separation is Q>Q4, and the discharge flow rate of inorganic sludge at the grit chamber is Q2-Q<Q, it means that the sludge feed rate is too small and the heavy components are organic. The centrifugal force obtained by the sludge in the separation unit 70 (i.e. the cyclone 701) is relatively small, and it is difficult for some large particles of inorganic sand and gravel to be swirled out from the grit chamber, thus causing the inorganic sand and gravel in the separation unit 70 (i.e. the cyclone 701) More inorganic sludge is discharged from the overflow port 702 at the upper end of the separation unit 70 (i.e., the cyclone 701), so it is necessary to increase the feed rate of the sludge into the separation unit 70 through the control unit 30 and reduce the overflow The discharge flow rate of the organic sludge at the port 702, that is, increasing the frequency of the variable frequency pump 301 to feed the sludge, and reducing the opening of the regulating valve 303, so that the discharge flow rate of the organic sludge at the overflow port 702 decreases , the pressure of the internal swirl in the separation unit 70 (ie, the cyclone 701 ) increases, which improves the accuracy of the organic-inorganic separation of the sludge.

计算污泥分离后有机无机比，检测实际运行污泥有机无机分离效果；Further, the data measured by the measurement unit 60 of the system per minute is transmitted to the main control unit 10 for recording in real time through the data transmission unit 20, and the

Calculate the organic-inorganic ratio after sludge separation, and test the actual operating sludge organic-inorganic separation effect;

When the actual separation ratio of organic and inorganic sludge is K<K1, it means that the output of organic sludge after separation is too much;

When the actual separation ratio of organic and inorganic sludge is K>K2, it means that the output of inorganic sludge after separation is too much;

Under the premise that the sludge feed rate and the discharge flow rate of the organic sludge overflow port 702 after separation are all within the set range, the actual separation ratio of sludge organic and inorganic still does not meet the separation ratio range determined by the laboratory. It is necessary to re-adjust to determine the critical feed rate range of sludge.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the present invention, some improvements and replacements can also be made, these improvements and replacements It should also be regarded as the protection scope of the present invention.

Claims (10)

1. The sludge organic-inorganic separation system is characterized by comprising a main control unit, a data transmission unit, a regulation and control unit, a sludge modification unit, a power unit, a measurement unit, a separation unit, a sludge storage unit, a cleaning unit, an alarm unit and an emergency stop unit; the main control unit is respectively connected with the data transmission unit and the regulation and control unit; the data transmission unit is connected with the measurement unit; the regulation and control unit is respectively connected with the sludge modification unit and the power unit; the measuring unit is respectively connected with the separating unit and the sludge storage unit; wherein,,

the measuring unit is used for monitoring the sludge feeding speed and flow rate of the feeding port of the separating unit, the organic sludge discharging flow rate of the overflow port of the separating unit and the sludge liquid level height in the sludge storage unit;

the data transmission unit is used for transmitting the data acquired by the measurement unit to the main control unit;

the main control unit is used for collecting, displaying and storing the data transmitted by the data transmission unit in real time, rapidly processing and judging the data according to the transmitted data, and timely sending out corresponding regulation and control instructions to the regulation and control unit;

the control unit comprises a control part and an adjusting part, and the control part is used for controlling the start and stop of the power unit and controlling the sludge modification unit to complete sludge modification; the adjusting part is used for adjusting the sludge feeding speed and flow of the feeding port of the separating unit and the organic sludge discharging flow of the overflow port of the separating unit according to the instruction sent by the main control unit so as to realize the working state adjustment of the sludge organic-inorganic separating system.

2. The sludge organic-inorganic separation system according to claim 1, wherein the separation unit is a cyclone, the sludge storage unit comprises an inorganic sludge storage tank and an organic sludge storage tank, a feed inlet of the separation unit is connected with the sludge modification unit, a discharge outlet of the separation unit is connected with the inorganic sludge storage tank, and an overflow outlet of the separation unit is connected with the organic sludge storage tank.

3. The sludge organic-inorganic separation system according to claim 2, wherein the sludge modification unit comprises a sludge modification tank with a stirrer, the sludge modification tank is provided with a pH monitor, and the sludge modification tank is connected with a dosing device.

4. A sludge organic-inorganic separation system according to claim 3, wherein the power unit comprises a sludge feed pump and a sludge pump, the sludge feed pump is connected with a feed inlet of the sludge modification tank, and a discharge outlet of the sludge modification tank is connected with a feed inlet of the cyclone through the sludge pump; the sludge feeding pump is a screw pump.

5. The sludge organic-inorganic separation system according to claim 4, wherein the adjusting portion comprises a variable frequency pump, a reflux device and an adjusting valve, the variable frequency pump is a sludge pump of a power unit, the reflux device is connected with the variable frequency pump in parallel, and the adjusting valve is connected on a pipeline of an overflow port of the separating unit to the organic sludge storage tank.

6. The sludge organic-inorganic separation system of claim 2, wherein the measurement unit comprises a first intelligent electromagnetic flowmeter, a second intelligent electromagnetic flowmeter, a first radar level gauge and a second radar level gauge, the first intelligent electromagnetic flowmeter is connected to a pipeline near a feed port side of the separation unit, the second intelligent electromagnetic flowmeter is connected to a pipeline near an overflow port side of the separation unit, the first radar level gauge is connected to a top of the inorganic sludge storage tank, and the second radar level gauge is connected to a top of the organic sludge storage tank.

7. The sludge organic-inorganic separation system according to claim 1, further comprising an emergency stopping unit and an alarm unit which are respectively connected with the regulation and control unit, wherein the emergency stopping unit is used for performing emergency stopping when the system fails and the main control unit secondarily sends out a regulation and control instruction and still cannot meet the preset feeding speed and the separation flow range of the system; the alarm unit is used for carrying out alarm prompt after faults and emergency stop occur.

8. The sludge organic-inorganic separation system according to claim 1, further comprising a cleaning unit connected with the control unit, wherein the cleaning unit is arranged at the front end of the whole sludge separation system, the cleaning unit is connected with tap water, and the control unit can control the cleaning unit to clean the whole separation system according to actual working and running requirements.

9. A control method of the sludge organic-inorganic separation system according to any one of claims 1 to 8, comprising:

monitoring the sludge feeding speed and flow of a feeding port of the separation unit, the organic sludge discharging flow of an overflow port of the separation unit and the sludge liquid level in the sludge storage unit through the measuring unit;

transmitting the data acquired by the measuring unit to the main control unit through the data transmission unit;

the data transmitted by the data transmission unit is collected, displayed and stored in real time through the main control unit, and is processed and judged rapidly according to the transmitted data, and a corresponding regulation and control instruction is sent out by the regulation and control unit in time; the parameter range set in the main control unit comprises: the system debugging stage is determined to have a sludge critical feeding speed range V1-V2, a sludge flow range Q1-Q2 under the critical feeding speed, an organic sludge discharging flow range Q3-Q4 of the separated overflow port, and a ratio K1-K2 of the separated organic sludge and the inorganic sludge determined by a laboratory;

when the feeding speed V of the sludge is less than V1, the feeding speed of the sludge entering the separation unit is increased through the regulation and control unit;

when the feeding speed V of the sludge is less than V1 and the feeding speed of the sludge entering the separation unit is improved through the regulation and control unit, when the set critical feeding speed range of the sludge still cannot be reached, transmitting a signal to the main control unit to send out a regulation and control instruction again, and if the set critical feeding speed range of the sludge still cannot be reached, warning a user that the sludge quantity and the fault problem in the sludge modification tank need to be checked;

when the feeding speed V of the sludge is more than V2, reducing the feeding speed of the sludge entering the separation unit through the regulation unit;

when the discharge flow Q of the organic sludge of the overflow port after separation is less than Q3 and the discharge flow Q1-Q of the inorganic sludge sand setting port is more than Q, the feeding speed of the sludge entering the separation unit is reduced through the regulating and controlling unit;

when the discharge flow Q of the organic sludge of the overflow port after separation is more than Q4 and the discharge flow Q2-Q of the inorganic sludge sand setting port is less than Q, the feeding speed of the sludge into the separation unit is increased and the discharge flow of the organic sludge of the overflow port is reduced through the regulating and controlling unit.

10. The method for controlling a sludge organic-inorganic separation system as claimed in claim 9, wherein,

the data measured by the measuring unit of each minute of the system is transmitted to the main control unit for recording in real time through the data transmission unit, and the data is recorded by

Calculating the organic-inorganic ratio of the separated sludge, and detecting the organic-inorganic separation effect of the sludge in actual operation;

when the actual organic-inorganic separation ratio K of the sludge is less than K1, the excessive discharge amount of the separated organic sludge is indicated;

when the actual organic-inorganic separation ratio K of the sludge is more than K2, the inorganic sludge is excessive after separation;

on the premise that the sludge feeding speed and the discharge flow of the separated organic sludge overflow port are both in a set range, the actual organic-inorganic separation ratio of the sludge is still not in accordance with the separation ratio range determined in the laboratory, and the critical sludge feeding speed range is required to be debugged again and determined.

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