CN112479512A

CN112479512A - Sludge cleaning system and method

Info

Publication number: CN112479512A
Application number: CN202011219614.0A
Authority: CN
Inventors: 张峥; 王杰; 张勇; 姜欢悦; 胡海晓; 杨帆
Original assignee: Zhejiang Reclaim Construction Group Co ltd
Current assignee: Zhejiang Reclaim Construction Group Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-03-12

Abstract

The invention relates to the technical field of sludge processing, and provides a sludge cleaning system and a method, wherein the sludge cleaning system comprises a screening device for performing garbage separation treatment on original sludge slurry to form sludge slurry to be stabilized, conveying the sludge slurry to be stabilized into a stabilization homogenizing tank, stabilizing the sludge slurry to be stabilized in the stabilization homogenizing tank to form sludge slurry to be dehydrated, conveying the sludge slurry to be dehydrated into a first pipeline from the stabilization homogenizing tank through a sludge transfer device, monitoring the sludge slurry to be dehydrated flowing in the first pipeline through a monitoring system to obtain sludge monitoring data, conveying preset liquid medicine into the first pipeline according to the sludge monitoring data, conveying the sludge to be dehydrated mixed with the preset liquid medicine into a dehydration system through the first pipeline, and performing dehydration treatment on the sludge to be dehydrated subjected to the preset liquid medicine through the dehydration system, so that the defects of large difficulty and low efficiency in cleaning the sludge slurry of the existing sludge cleaning system are overcome, is beneficial to saving manpower and enhancing the cleaning effect of the slurry.

Description

Sludge cleaning system and method

Technical Field

The invention relates to the technical field of sludge processing, in particular to a sludge cleaning system and a sludge cleaning method.

Background

Sludge slurry generally refers to liquid sludge mixed with pollutants such as heavy metals, organic matters, chemical substances and microorganisms and having fluidity, and can cause serious pollution to the environment, for example, building sludge is discharged into rivers and lakes to pollute the water quality in the rivers and lakes.

At present, the sludge can be cleaned through a sludge cleaning system, but due to the factors such as the fluidity and the hydrophilicity of the sludge, the conventional sludge cleaning system has the defects of long process, large difficulty, low efficiency and the like for cleaning the sludge.

Disclosure of Invention

The invention provides a sludge cleaning system and a method, aiming at the problems of great difficulty and low efficiency in cleaning sludge slurry in the existing sludge cleaning system.

The invention provides a sludge cleaning system in a first aspect, which comprises a screening device, a stabilizing and homogenizing tank, a sludge transferring device, a first pipeline, a dewatering system and a monitoring system, wherein the screening device, the stabilizing and homogenizing tank, the sludge transferring device, the first pipeline and the dewatering system are sequentially connected;

the screening equipment is suitable for performing garbage separation treatment on the original sludge slurry to form sludge slurry to be stabilized and conveying the sludge slurry to be stabilized into the stabilizing and homogenizing tank;

the stabilization and homogenization tank is suitable for stabilizing the sludge slurry to be stabilized to form sludge to be dehydrated;

the mud transfer device is suitable for conveying the mud to be dehydrated from the stabilization and homogenization tank into the first pipeline;

the monitoring system is suitable for monitoring the slurry to be dehydrated flowing in the first pipeline to obtain slurry monitoring data, and conveying preset liquid medicine into the first pipeline according to the slurry monitoring data;

the first pipeline is suitable for conveying the slurry to be dehydrated mixed with the preset liquid medicine to the dehydration system;

the dehydration system is suitable for dehydrating the slurry to be dehydrated, which is conditioned by the preset liquid medicine.

The beneficial effects of the above technical scheme are: the sludge is subjected to impurity removal treatment by utilizing a screening device and a stabilization homogenization tank, so that the impurity removal difficulty of the sludge and the impurity content of the sludge to be dehydrated are greatly reduced, and the subsequent treatment of the sludge to be dehydrated is facilitated; the monitoring system is utilized to automatically control the preset liquid medicine put into the first pipeline, and the efficiency, the accuracy and the controllability of controlling the content of the liquid medicine in the first pipeline are considered; treat the dehydration mud in-process at first pipeline transportation, with the help of treating the mobility of dehydration mud in first pipeline, impel predetermine the liquid medicine and carry out the homogenization with treating the dehydration mud in first pipeline and mix and begin to treat the dehydration mud and take care of, compare in predetermineeing the liquid medicine and directly not put in to dewatering system through first pipeline, help promoting to treat that the dehydration mud carries out the homogeneity of chemical conditioning and extension chemical conditioning time, and then, help promoting dewatering system and treat the efficiency that the dehydration mud carries out dehydration treatment.

On the basis of the technical scheme, the invention also improves the sludge cleaning system as follows.

Optionally, the monitoring system includes a first dispensing subsystem, a second dispensing subsystem, a flow detection device, a concentration detection device, a first dosing device, a second dosing device, and a first control device, the first dispensing subsystem is connected to the first dosing device, the second dispensing subsystem is connected to the second dosing device, and the flow detection device, the concentration detection device, the first dosing device, and the second dosing device are respectively connected to the first control device;

the first pipeline is respectively connected with the flow detection device, the concentration detection device, the first dosing device and the second dosing device;

the first dispensing subsystem is suitable for pre-allocating a first slurry conditioning liquid medicine;

the second dispensing subsystem is suitable for pre-allocating a second slurry conditioning liquid medicine, and the pre-allocated liquid medicine comprises the first slurry conditioning liquid medicine and the second slurry conditioning liquid medicine;

the flow detection device is suitable for carrying out flow detection on the slurry to be dehydrated flowing in the first pipeline to obtain flow data and transmitting the flow data to the first control device;

the concentration detection device is suitable for detecting the concentration of the slurry to be dehydrated flowing in the first pipeline to obtain concentration data, and transmitting the concentration data to the first control device;

the first medicine adding device is suitable for conveying the first slurry conditioning medicine liquid from the first medicine dispensing subsystem to the first pipeline under the control of the first control device;

the second medicine adding device is suitable for conveying the second slurry conditioning medicine liquid from the second medicine dispensing subsystem to the first pipeline under the control of the first control device;

the first control device is suitable for determining the mud monitoring data according to the flow data and the concentration data, and respectively carrying out dosing control on the first dosing device and the second dosing device according to the mud monitoring data.

The beneficial effects of the above technical scheme are: at first controlling means and flow detection device, under concentration detection device and the cooperation of first charge device jointly, it puts in to automize to the first mud of the subsystem of making a prescription and take care of the liquid medicine, under first controlling means and flow detection device, concentration detection device and the cooperation of second charge device jointly, it puts in to automize to the first mud of the subsystem of making a prescription in the second and take care of the liquid medicine, so that two kinds of mud are made a care of the liquid medicine and separately get into first pipeline, it is rotten because of the intermixing before getting into first pipeline to have prevented two kinds of mud and have been taken care of the liquid medicine, help two kinds of mud to take care of the liquid medicine and carry out multiple chemical quenching and tempering to the mud of waiting to dewater that flows in first pipeline, thereby, help promoting monitored control system's monitoring performance and wait to dewater.

Optionally, the first dispensing subsystem comprises a second control device, a water supply device, a first feeding device, a premixing device, a second feeding device, a modulation device, a curing device, a medicine storage device, a liquid level detection device and an alarm device, the second control device is respectively connected with the water supply device, the first feeding device, the premixing device, the second feeding device, the modulating device, the curing device, the liquid level detection device, the alarm device and the first dosing device, the water supply device is respectively connected with the premixing device and the modulating device, the first feeding device, the premixing device, the second feeding device, the modulating device, the curing device, the medicine storage device and the liquid level detection device are sequentially connected, and the medicine storage device is connected with the first medicine adding device;

the water supply device is suitable for respectively supplying water to the premixing device and the modulating device under the control of the second control device;

the first feeding device is suitable for conveying the powdery flocculating agent into the premixing device under the control of the second control device;

the premixing device is suitable for premixing the powdery flocculant and water under the control of the second control device to form a wet flocculant;

the second feeding device is suitable for conveying the wet flocculating agent from the premixing device to the conditioning device under the control of the second control device;

the modulation device is suitable for diluting the wet flocculating agent under the second control device to form a flocculating solution;

the curing device is suitable for curing the flocculation solution under the second control device to form the first slurry conditioning liquid medicine and conveying the first slurry conditioning liquid medicine to the medicine storage device;

the medicine storage device is suitable for storing the first slurry conditioning medicine liquid;

the liquid level detection device is suitable for detecting the liquid level of the first slurry conditioning liquid medicine in the medicine storage device under the second control device to obtain liquid level data, and transmitting the liquid level data to the second control device;

the second control device is suitable for respectively controlling the water supply device, the first feeding device, the premixing device, the second feeding device, the modulating device, the curing device, the alarming device and the first dosing device according to the liquid level data;

the second control device is specifically suitable for respectively controlling the closing of the water supply device, the first feeding device, the premixing device, the second feeding device, the modulation device and the curing device and controlling the starting of the first dosing device when the liquid level data represents that the liquid level is at a high level;

the second control device is specifically and further adapted to respectively start and control the water supply device, the first feeding device, the premixing device, the second feeding device, the modulation device and the curing device when the liquid level data represents that the liquid level is a neutral position;

the second control device is particularly suitable for carrying out alarm control on the alarm device and carrying out closing control on the first dosing device when the liquid level data represents that the liquid level is at a low level;

the first medicine adding device is suitable for conveying the first slurry conditioning medicine liquid from the medicine storage device to the first pipeline under the control of the first control device when the liquid level is between the high level and the low level.

The beneficial effects of the above technical scheme are: under the common cooperation of the second control device, the water supply device, the first feeding device, the premixing device, the second feeding device, the modulating device and the curing device, the first slurry conditioning liquid medicine with the characteristics of uniformity, stability, maturity and the like is automatically modulated, the agglomeration of the powdery flocculant due to the nonuniform mixing with water is favorably prevented, and the automatic dispensing performance of the first dispensing subsystem is favorably improved.

When the liquid level of the first slurry conditioning liquid medicine in the medicine storage device is high, under the common cooperation of the second control device and the liquid level detection device, the water supply device, the first feeding device, the premixing device, the second feeding device, the modulation device and the curing device are all closed to stop allocating the first slurry conditioning liquid medicine, the first slurry conditioning liquid medicine is prevented from overflowing out of the medicine storage device, the reliability and the accuracy of automatic medicine allocation of the first medicine allocation subsystem are improved, in addition, the first medicine adding device starts to work, so that the first control device can subsequently add medicine to the first medicine adding device, the reliability and the accuracy of controlling the first medicine adding device by the double control device are improved, and the mode of controlling the first medicine adding device is simplified.

When the liquid level of the first slurry conditioning liquid medicine in the medicine storage device is a neutral position, the water supply device, the first feeding device, the premixing device, the second feeding device, the modulating device and the curing device all start to work under the common cooperation of the second control device and the liquid level detection device, the first slurry conditioning liquid medicine is stored continuously, and the reliability and the accuracy of automatic medicine dispensing of the first medicine dispensing subsystem are improved.

When the liquid level of first mud conditioning liquid medicine in the medicine storage device is the low level, under second controlling means cooperates jointly with liquid level detection device, alarm device carries out the liquid level warning, and in time the suggestion maintainer overhauls the first subsystem of dispensing to, first charge device stops to add the medicine, helps promoting the monitoring performance of the first subsystem of dispensing.

Optionally, the dewatering system comprises a settling tower, a second pipeline and a filter press which are connected in sequence, and the first pipeline is connected with the settling tower;

the settling tower is suitable for carrying out settling dehydration treatment on the slurry to be dehydrated conditioned by the preset liquid medicine to form dehydrated slurry;

said second conduit adapted to convey said de-watered sludge from said settling tower to said filter press;

the filter press is suitable for carrying out filter pressing and dehydration treatment on the dehydrated slurry.

The beneficial effects of the above technical scheme are: through presetting liquid medicine and settling tower effect, the dehydration mud has characteristics such as the moisture content is low and the dehydration nature is good, helps the pressure filter to carry out the filter-pressing dehydration to the dehydration mud fast, and through the pressure filter effect, the dehydration mud is by the filter-pressing become the mud cake, has promoted mud dewatering efficiency.

Optionally, the sludge transferring device comprises a third pipeline and a sludge taking pump, the third pipeline is respectively connected with the sludge taking pump and the stabilizing and homogenizing tank, and the sludge taking pump is connected with the first pipeline;

the mud-taking pump is adapted to pump the mud to be dewatered from the stabilising homogenizing tank into the third pipe and to convey the mud to be dewatered from the third pipe into the first pipe.

The beneficial effects of the above technical scheme are: get the dredge pump and cooperate with the third pipeline jointly under, be convenient for carry the long distance and wait to dewater mud, get the dredge pump and need not to set up inside stabilizing the homogenization pond to, help reducing and get the hidden danger that the dredge pump receives sludge slurry pollution for a long time.

Optionally, the screening device comprises a screening machine and a fourth pipeline, and the fourth pipeline is respectively connected with the screening machine and the stabilization and homogenization tank;

the screening machine is suitable for performing garbage separation treatment on the raw sludge slurry to form the sludge slurry to be stabilized;

the fourth pipe is adapted to convey the sludge slurry to be stabilized from the sizer into the stabilization homogenization tank.

The beneficial effects of the above technical scheme are: under the common cooperation of screening machine and fourth pipeline, be convenient for carry far away and wait to stabilize sludge slurry, the screening machine need not to set up inside stabilizing the homogenization pond to, help reducing the screening machine and receive the hidden danger that sludge slurry pollutes for a long time.

Optionally, the sludge cleaning system further comprises a cutter suction dredger, a fifth pipeline, an amphibious pipeline adaptive platform, a sixth pipeline, a relay pump and a seventh pipeline which are connected in sequence, wherein the seventh pipeline is connected with the screening machine;

the cutter suction ship is suitable for sucking the raw sludge slurry from rivers and lakes;

the fifth pipeline is suitable for conveying the raw sludge slurry from the cutter suction dredger to the land-water cross-connecting pipeline self-adaptive platform;

the amphibious interfacing channel adaptive platform is suitable for being arranged in the river and lake at the position where the fifth channel is connected with the sixth channel;

the sixth pipeline is suitable for conveying the raw sludge slurry from the amphibious pipeline adaptive platform to the relay pump;

and the seventh pipeline is suitable for conveying the raw sludge slurry from the relay pump to the screening machine.

The beneficial effects of the above technical scheme are: under the cooperation of the cutter suction dredger, the fifth pipeline, the water-land connecting pipeline self-adaptive platform, the sixth pipeline, the relay pump and the seventh pipeline, the original sludge slurry in rivers and lakes is promoted to be remotely transferred to the screening machine, so that the sludge conveying performance of the sludge cleaning system is promoted, the position where the fifth pipeline is connected with the sixth pipeline is supported through the water-land connecting pipeline self-adaptive platform, and the stability of the connection of the fifth pipeline and the sixth pipeline is promoted.

Optionally, the adaptive platform for an amphibious interfacing line comprises a pile, a spring mounted on the pile and a float device mounted on the spring;

the spring is suitable for driving the floating body device to lift under the action of water flow of the rivers and the lakes;

the floating body device is suitable for being located at the position where the fifth pipeline is connected with the sixth pipeline.

The beneficial effects of the above technical scheme are: the pile and the floating body device are elastically connected through the spring, and the floating body device is enabled to change the height and the position along with water flow in water by means of the elasticity of the spring, so that the floating body device can adapt to water level change in time.

Optionally, a protrusion is disposed on the top of the pile, a support rod is disposed at the bottom of the floating body device, and two ends of the spring are respectively connected to the protrusion and the support rod.

The beneficial effects of the above technical scheme are: because the convex block protrudes out of the top of the pile column and the supporting rod protrudes out of the bottom of the floating body device, the spring is conveniently and fixedly connected with the pile column and the supporting rod respectively, and the structure of the amphibious cross-connecting pipeline self-adaptive platform is facilitated to be simplified.

In a second aspect, the present invention provides a sludge cleaning method using the sludge cleaning system according to the first aspect, the sludge cleaning method comprising:

performing garbage separation treatment on the original sludge slurry through screening equipment to form sludge slurry to be stabilized, and conveying the sludge slurry to be stabilized into a stabilization and homogenization tank;

in the stabilization and homogenization tank, stabilizing the sludge slurry to be stabilized to form sludge slurry to be dehydrated;

conveying the mud to be dewatered from the stabilization homogenization tank to a first pipeline through a mud transfer device;

monitoring the slurry to be dehydrated flowing in the first pipeline through a monitoring system to obtain slurry monitoring data, and conveying preset liquid medicine into the first pipeline according to the slurry monitoring data;

conveying the slurry to be dehydrated mixed with the preset liquid medicine to a dehydration system through the first pipeline;

and dehydrating the slurry to be dehydrated conditioned by the preset liquid medicine through the dehydration system.

The sludge cleaning method provided by the invention has the same beneficial effects as the sludge cleaning system, and the details are not repeated herein.

Drawings

FIG. 1 is a schematic diagram of a sludge cleaning system according to an embodiment of the present invention;

FIG. 2 is a schematic circuit diagram corresponding to the monitoring system of FIG. 1;

FIG. 3 is a schematic diagram of a first dispensing subsystem corresponding to FIG. 1 and a circuit thereof electrically connected to a first medicating device;

FIG. 4 is a schematic cross-sectional view of an adaptive platform corresponding to the amphibious interfacing pipeline of FIG. 1;

fig. 5 is a schematic cross-sectional view of the pile corresponding to fig. 4;

fig. 6 is a schematic cross-sectional view of the float device corresponding to fig. 4.

Description of reference numerals:

11-screening equipment, 12-stabilizing and homogenizing tank, 13-mud transferring equipment, 14-first pipeline, 15-dewatering system, 16-monitoring system, 21-cutter suction ship, 22-fifth pipeline, 23-water and land cross-connecting pipeline self-adaptive platform, 24-sixth pipeline, 25-relay pump and 26-seventh pipeline;

111-sieving machine, 112-fourth pipeline, 131-third pipeline, 132-mud taking pump, 151-settling tower, 152-second pipeline, 153-pressure filter, 161-first dispensing subsystem, 162-second dispensing subsystem, 163-flow detection device, 164-concentration detection device, 165-first dosing device, 166-second dosing device and 167-first control device;

231-post, 232-spring, 233-float device, 2311-tab, 2331-strut.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Referring to fig. 1, there is shown a sludge cleaning system provided by the embodiment, which comprises a sieving device 11, a stabilization and homogenization tank 12, a sludge transfer device 13, a first pipeline 14 and a dewatering system 15, which are communicated in sequence, and a monitoring system 16 communicated with the first pipeline 14.

A screening device 11 adapted to perform a refuse separation treatment of the raw sludge slurry to form a sludge slurry to be stabilized and to convey the sludge slurry to be stabilized into a stabilization homogenization tank 12; a stabilization and homogenization tank 12, which is suitable for stabilizing the sludge slurry to be stabilized to form the sludge slurry to be dehydrated.

Illustratively, the screening device 11 discharges the waste separated from the raw sludge slurry, which is transported out by a first transport vehicle; the soil stabilizer is put into the stabilization and homogenization tank 12, heavy metal, organic matters, chemical substances and the like in the sludge slurry to be stabilized are passivated and stabilized by virtue of the soil stabilizer, so that the pollutants are leached out of the sludge slurry to be stabilized, and further, the sludge slurry to be dehydrated with stable and uniform concentration is formed in the stabilization and homogenization tank 12, thereby being beneficial to rapidly improving the purification degree of the sludge slurry.

The screening equipment 11 and the stabilization and homogenization tank 12 are utilized to remove impurities from the sludge slurry, so that the impurity removal difficulty of the sludge slurry and the impurity content of the slurry to be dehydrated are greatly reduced, and the subsequent treatment of the slurry to be dehydrated is facilitated.

A mud-rotating device 13 suitable for conveying the mud to be dewatered from the stabilization and homogenization tank 12 into a first conduit 14; the monitoring system 16 is adapted to monitor the slurry to be dehydrated flowing in the first pipeline 14 to obtain slurry monitoring data, and deliver a preset liquid medicine into the first pipeline 14 according to the slurry monitoring data.

By using the monitoring system 16, the preset liquid medicine put into the first pipeline 14 is automatically controlled, and the efficiency, accuracy and controllability of controlling the content of the liquid medicine in the first pipeline 14 are considered.

A first pipe 14 adapted to convey the slurry to be dehydrated, mixed with a preset liquid medicine, into a dehydration system 15; and the dewatering system 15 is suitable for dewatering the slurry to be dewatered, which is conditioned by the preset liquid medicine.

In the mud in-process of waiting to dewater is carried at first pipeline 14, with the help of the mobility of waiting to dewater mud in first pipeline 14, impel predetermine the liquid medicine in first pipeline 14 with wait to dewater mud and carry out the homogenization mixture and begin to treat to dewater mud and take care of, compare in predetermine the liquid medicine and directly be put into dewatering system 15, help promoting to treat to dewater mud and carry out the homogeneity of chemical conditioning and extension chemical conditioning time, and then, help promoting dewatering system 15 and treat to dewater mud and carry out the efficiency of dehydration.

Optionally, referring to fig. 1 and 2, the monitoring system 16 includes a first dispensing subsystem 161, a second dispensing subsystem 162, a flow detection device 163, a concentration detection device 164, a first dosing device 165, a second dosing device 166, and a first control device 167, the first dispensing subsystem 161 is communicated with the first dosing device 165, the second dispensing subsystem 162 is communicated with the second dosing device 166, the flow detection device 163, the concentration detection device 164, the first dosing device 165, and the second dosing device 166 are respectively electrically connected with the first control device 167, and the first pipe 14 is respectively communicated with the flow detection device 163, the concentration detection device 164, the first dosing device 165, and the second dosing device 166.

Illustratively, the flow detection device 163 may include a flow sensor communicating with the first pipe 14 through a first conduit and through the first conduit, the concentration detection device 164 may include a second conduit and a concentration sensor communicating with the first pipe 14 through the second conduit, the first medicating device 165 includes a third conduit and a first medicating pump communicating with the first pipe 14 through the third conduit, the second medicating device 166 includes a fourth conduit and a second medicating pump communicating with the first pipe 14 through the fourth conduit, and the first control device 167 may include a first PLC controller; wherein, flow sensor, concentration sensor, first dosing pump and second dosing pump are connected with first PLC controller through communication cable respectively.

A first dispensing subsystem 161 adapted to pre-dispense a first slurry conditioning solution; and a second dispensing subsystem 162 adapted to pre-dispense a second slurry conditioning solution, wherein the pre-dispensed solution comprises the first slurry conditioning solution and the second slurry conditioning solution.

For example, before the slurry to be dehydrated is conveyed to the first pipeline 14, the first dispensing subsystem 161 and the second dispensing subsystem 162 may be respectively provided with a liquid medicine, and a process of providing the first slurry conditioning liquid medicine by the first dispensing subsystem 161 may be synchronous or asynchronous with a process of providing the second slurry conditioning liquid medicine by the second dispensing subsystem 162, where the first slurry conditioning liquid medicine may be an organic polymer flocculation liquid medicine, and the second slurry conditioning liquid medicine may be an inorganic polymer flocculation liquid medicine.

A flow rate detection device 163 adapted to perform flow rate detection on the slurry to be dewatered flowing in the first pipe 14, obtain flow rate data, and transmit the flow rate data to a first control device 167; a concentration detection device 164 adapted to perform a concentration detection on the slurry to be dewatered flowing in the first pipe 14, to obtain concentration data, and to transmit the concentration data to the first control device 167.

Illustratively, the location on the first pipe 14 and connected to the first conduit is a first mounting location, and the location on the first pipe 14 and connected to the second conduit is a second mounting location, the first mounting location being located behind and at a first distance from the second mounting location; after the slurry to be dehydrated flows into the first conduit and the second conduit from the first pipeline 14, the flow sensor detects the flow of the slurry to be dehydrated in the first conduit and transmits the flow data to the first PLC controller through the communication cable, and the concentration sensor detects the concentration of the slurry to be dehydrated in the second conduit and transmits the concentration data to the first PLC controller through the communication cable.

A first dosing device 165 adapted to deliver a first slurry conditioning solution from the first dispensing subsystem 161 into the first conduit 14 under the control of a first control device 167; a second dosing device 166 adapted to deliver a second slurry conditioning solution from the second dispensing subsystem 162 into the first conduit 14 under the control of a first control device 167; a first control means 167 adapted to determine mud monitoring data from the flow data and the concentration data and to control dosing of the first dosing means 165 and the second dosing means 166, respectively, from the mud monitoring data.

Illustratively, the location on the first pipe 14 and connected to the third conduit is a third installation location, and the location on the first pipe 14 and connected to the fourth conduit is a fourth installation location; the third installation position is positioned between the second installation position and the fourth installation position, the third installation position and the second installation position are arranged at a second distance, the third installation position and the fourth installation position are arranged at a third distance, and the fourth installation position and the dewatering system 15 are arranged at a fourth distance; the second distance may be greater than the first distance and less than the third distance, and the fourth distance may be greater than the third distance and less than the second distance, or the first distance, the second distance, the third distance, and the fourth distance may be set according to actual needs, which is not described herein again.

For example, the first PLC controller may calculate the flow data and the concentration data according to a preset weight ratio, to obtain mud monitoring data, for example, the preset weight ratio is 5:5 or 4: 6; the first PLC controller can also synchronously control the first dosing pump and the second dosing pump at the same rotating speed according to the slurry monitoring data, so that the first slurry conditioning liquid medicine sequentially passes through the first dosing pump and the third conduit and then enters the first pipeline 14, and the second slurry conditioning liquid medicine sequentially passes through the second dosing pump and the fourth conduit and then enters the first pipeline 14.

Under the cooperation of the first control device 167 with the flow rate detection device 163, the concentration detection device 164 and the first medicine adding device 165, the first slurry conditioning liquid medicine in the first dispensing subsystem 161 is automatically dispensed, and under the cooperation of the first control device 167, the flow detection device 163, the concentration detection device 164 and the second medicine adding device 167, the first slurry conditioning chemical liquid in the second dispensing subsystem 162 is automatically dispensed, so that the two slurry conditioning chemical liquids separately enter the first pipeline 14, prevents the two slurry conditioning liquid medicines from deteriorating due to mutual mixing before entering the first pipeline 14, is beneficial to the two slurry conditioning liquid medicines to carry out multiple chemical conditioning on the slurry to be dehydrated flowing in the first pipeline 14, therefore, the monitoring performance of the monitoring system and the conditioning effect of the slurry to be dehydrated are improved, the efficiency of the dehydration treatment of the slurry to be dehydrated is improved, and the process for dehydrating the slurry to be dehydrated is simplified.

Optionally, referring to fig. 1, 2, and 3, the first dispensing subsystem 161 includes a second control device, a water supply device, a first feeding device, a premixing device, a second feeding device, a modulation device, a curing device, a drug storage device, a liquid level detection device, and an alarm device, the second control device is electrically connected to the water supply device, the first feeding device, the premixing device, the second feeding device, the modulation device, the curing device, the liquid level detection device, the alarm device, and the first drug adding device 165, the water supply device is respectively communicated with the premixing device and the modulation device, the first feeding device, the premixing device, the second feeding device, the modulation device, the curing device, the drug storage device, and the liquid level detection device are sequentially communicated, and the drug storage device is communicated with the first drug adding device 165.

Illustratively, the second control device may include a second PLC controller, the water supply device may include a water storage tank and a first suction pump and a second suction pump respectively communicated with the water storage tank, the first feeding device may include a first auger, the premixing device may include a first multi-paddle blender, the second feeding device may include a second auger, the brewing device may include a second multi-paddle blender, the maturing device may include a third multi-paddle blender, and the liquid level detection device includes a liquid level sensor; the second PLC controller is respectively connected with the first water suction pump, the second water suction pump, the first spiral propeller, the first multi-blade stirrer, the second spiral propeller, the liquid level sensor, the alarm device and the first dosing pump through communication cables.

Illustratively, the first water pump is in communication with the first multi-paddle blender via a fifth conduit, and the second water pump is in communication with the second multi-paddle blender via a sixth conduit; the first spiral propeller, the first multi-blade stirrer, the second spiral propeller, the second multi-blade stirrer, the third multi-blade stirrer and the medicine storage device are communicated in sequence; the medicine storage device may include a medicine storage box, the liquid level sensor is disposed inside the medicine storage box, the first medicine adding device 165 may further include a seventh conduit, and the first medicine adding pump is communicated with the medicine storage box through the seventh conduit.

The water supply device is suitable for respectively supplying water to the premixing device and the modulating device under the control of the second control device; the first feeding device is suitable for conveying the powdery flocculant to the premixing device under the control of the second control device; the premixing device is suitable for premixing the powdery flocculant and water under the control of the second control device to form a wet flocculant; and the second feeding device is suitable for conveying the wet flocculating agent from the premixing device to the modulation device under the control of the second control device.

For example, the second PLC controller may control the first water pump and the second water pump for a predetermined duration, e.g., half an hour or 1 hour, the first water pump may transport water from the storage tank to the fifth conduit, through which the water is transported to the first multi-paddle blender, the second water pump may transport water from the storage tank to the sixth conduit, through which the water is transported to the second multi-paddle blender.

The modulation device is suitable for diluting the wet flocculating agent under the second control device to form a flocculating solution; the curing device is suitable for curing the flocculation solution under the second control device to form a first slurry conditioning liquid medicine and conveying the first slurry conditioning liquid medicine to the medicine storage device; and the medicine storage device is suitable for storing the first slurry conditioning liquid medicine.

Illustratively, under the control of the second PLC controller, the first screw propeller may transport the powdery flocculant to the first multi-blade mixer, so that the first multi-blade mixer uniformly mixes the powdery flocculant with water to form a solid-state wet flocculant, and further, the second screw propeller may transport the wet flocculant from the first multi-blade mixer to the second multi-blade mixer, so that the second multi-blade mixer uniformly mixes the wet flocculant with water to form a liquid-state flocculation solution, wherein the powdery flocculant may be an organic polymer flocculation dry powder or an inorganic polymer flocculation dry powder.

Illustratively, under the control of the second PLC controller, the aging device may age the flocculation solution for not less than 1 hour to form a first slurry conditioning solution with a concentration ranging from 0.1% to 0.5%, and then transfer the first slurry conditioning solution to the storage tank, for example, the concentration of the first slurry conditioning solution may be 0.1% or 0.2% or 0.5%.

Under the common cooperation of the second control device, the water supply device, the first feeding device, the premixing device, the second feeding device, the modulating device and the curing device, the first slurry conditioning liquid medicine with the characteristics of uniformity, stability, maturity and the like is automatically modulated, the agglomeration of the powdery flocculant due to the nonuniform mixing with water is favorably prevented, and the automatic dispensing performance of the first dispensing subsystem 161 is favorably improved.

The liquid level detection device is suitable for detecting the liquid level of the first slurry conditioning liquid medicine in the medicine storage device under the second control device to obtain liquid level data and transmitting the liquid level data to the second control device; and the second control device is suitable for respectively controlling the water supply device, the first feeding device, the premixing device, the second feeding device, the modulating device, the curing device, the alarming device and the first dosing device 165 according to the liquid level data.

The second control device is specifically suitable for respectively controlling the closing of the water supply device, the first feeding device, the premixing device, the second feeding device, the modulating device and the curing device and controlling the starting of the first dosing device 165 when the liquid level data represents that the liquid level is high.

Illustratively, under the control of the second PLC controller, the first water suction pump, the second water suction pump, the first screw propeller, the first multi-blade mixer, the second screw propeller, the second multi-blade mixer, and the third multi-blade mixer all stop working to stop the modulation of the first slurry conditioning chemical, and the first chemical feeding pump starts working, and in a state where the first chemical feeding pump is in a working state, the first PLC controller may perform rotation speed control on the first chemical feeding pump.

When the liquid level of the first slurry conditioning liquid medicine in the medicine storage device is high, under the common cooperation of the second control device and the liquid level detection device, the water supply device, the first feeding device, the premixing device, the second feeding device, the modulation device and the curing device stop working to stop blending the first slurry conditioning liquid medicine, the first slurry conditioning liquid medicine is prevented from overflowing out of the medicine storage device, the automatic medicine dispensing reliability and accuracy of the first medicine dispensing subsystem 161 are improved, in addition, the first medicine adding device 165 starts working, so that the first double control device 167 can subsequently carry out medicine adding control on the first medicine adding device 165, the control reliability and accuracy of the first medicine adding device 165 to be improved are improved, and the control mode of the first medicine adding device 165 to be simplified is facilitated.

And the second control device is particularly suitable for respectively starting and controlling the water supply device, the first feeding device, the premixing device, the second feeding device, the modulating device and the curing device when the liquid level data represents that the liquid level is a neutral position.

Illustratively, under the control of the second PLC controller, the first water suction pump, the second water suction pump, the first screw propeller, the first multi-blade stirrer, the second screw propeller, the second multi-blade stirrer and the third multi-blade stirrer start to work to continue to modulate the first slurry conditioning liquid medicine, and during the modulation of the first slurry conditioning liquid medicine, the medicine storage box can continuously store the first slurry conditioning liquid medicine, so that the liquid level is increased, and meanwhile, as the first medicine adding pump is already in a working state, namely the second PLC controller does not control the first medicine adding pump any more, but the first PLC controller controls the first medicine adding pump.

When the liquid level of the first slurry conditioning liquid medicine in the medicine storage device is the neutral position, the water supply device, the first feeding device, the premixing device, the second feeding device, the modulation device and the curing device all start to work under the common cooperation of the second control device and the liquid level detection device, and the first slurry conditioning liquid medicine is stored continuously, so that the reliability and the accuracy of automatic medicine dispensing of the first medicine dispensing subsystem 161 are improved.

The second control device is specifically further adapted to alarm control the alarm device and close control the first dosing device 165 respectively when the liquid level data indicates that the liquid level is low.

Exemplarily, when the liquid level is higher than the low level, it is indicated that the first dispensing subsystem 161 can normally prepare and store the first slurry conditioning liquid medicine, and the first dispensing subsystem 161 does not need to be overhauled; when the liquid level is low, it indicates that the first dispensing subsystem 161 is abnormal, the first dispensing subsystem 161 needs to be overhauled, and the first slurry conditioning liquid medicine is modulated and stored normally, therefore, when the liquid level data represents that the liquid level is low, under the control of the second PLC controller, the first water suction pump, the second water suction pump, the first screw propeller, the first multi-blade stirrer, the second screw propeller, the second multi-blade stirrer and the third multi-blade stirrer can stop working, the alarm device can send an alarm sound or/and an alarm light suitable for prompting the maintainer that the first dispensing subsystem 161 is abnormal, the first dispensing pump can also stop working, so that the first dispensing device 165 can not dispense medicine continuously, and the system reliability is improved.

When the liquid level of first mud conditioning liquid medicine in the medicine storage device is the low level, under second controlling means cooperates jointly with liquid level detection device, alarm device carries out the liquid level warning, and in time the suggestion maintainer overhauls first subsystem 161 that dispenses to, first charge device 165 stops to add the medicine, helps promoting the monitoring performance of first subsystem 161 that dispenses.

Exemplarily, a configuration file is preset in the second PLC controller, and a first liquid level value representing a high position, a second liquid level value representing a medium position, and a third liquid level value representing a low position are recorded in the configuration file; after receiving the liquid level data, the second PLC compares the liquid level data with the first liquid level value, the second liquid level value and the third liquid level value respectively; when the liquid level data is matched with the first liquid level value, the liquid level data is judged to represent that the liquid level is a high level; when the liquid level data is matched with the second liquid level value, the liquid level data is judged to represent that the liquid level is a middle level; and when the liquid level data is matched with the third liquid level value, judging that the liquid level data represents that the liquid level is a low level.

A first dosing device 165 adapted to deliver a first slurry conditioning chemical from the reservoir into the first conduit 14 under the control of the first control device 167 when the liquid level is between the high level and the low level.

Alternatively, referring to fig. 1, the dewatering system 15 includes a settling tower 151, a second pipe 152, and a filter press 153 connected in sequence, and the first pipe 14 is connected to the settling tower 151; the settling tower 151 is suitable for carrying out settling dehydration treatment on the slurry to be dehydrated, which is conditioned by the preset liquid medicine, so as to form dehydrated slurry; a second conduit 152 adapted to convey the dewatered sludge from the settling tower 151 to a filter press 153; the filter press 153 is adapted to perform filter press dehydration of the dehydrated slurry.

Through predetermineeing liquid medicine and the effect of settling tower 151, the dehydration mud has characteristics such as the moisture content is low and the dehydration nature is good, help pressure filter 153 to carry out the filter-pressing dehydration to the dehydration mud fast, after the effect of pressure filter 153, the dehydration mud is become the mud cake that the moisture content is no longer than 40% by the filter-pressing, the mud dehydration efficiency has been promoted, can carry out outward transport to the mud cake from pressure filter 153 output through the second transport vechicle and handle, mud can reuse, help saving the resource, follow-up special treatment is not needed to the tailwater of discharging respectively from settling tower 151 and pressure filter 153, help simplifying technology.

Alternatively, referring to fig. 1, the sludge transferring device 13 comprises a third pipe 131 and a sludge taking pump 132, the third pipe 131 is respectively communicated with the sludge taking pump 132 and the stabilization and homogenization tank 12, and the sludge taking pump 132 is communicated with the first pipe 14; the sludge pump 132 is adapted to pump the sludge to be dewatered from the stabilization homogenization tank 12 into the third pipe 131 and to convey the sludge to be dewatered from the third pipe 131 into the first pipe 14.

Exemplarily, get mud pump 132 and be connected with the second PLC controller through the cable, when the liquid level data characterization liquid level is the high level, under the control of the second PLC controller, can carry out start control to getting mud pump 132 to make get mud pump 132 begin to get mud work, when the liquid level data characterization liquid level is the low level, under the control of the second PLC controller, can close control to getting mud pump 132, so that get mud pump 132 and stop getting mud work.

Illustratively, the third pipeline 131 extends into the bottom of the stabilization homogenization tank 12, the sludge taking pump 132 is installed at a certain position outside the stabilization homogenization tank 12, the sludge taking pump 132 and the third pipeline 131 are matched together, so that the sludge to be dehydrated can be conveniently conveyed for a longer distance, and the sludge taking pump 132 does not need to be arranged inside the stabilization homogenization tank 12, so that the hidden danger that the sludge taking pump 132 is polluted by sludge slurry for a long time is reduced.

It should be noted that the components, connection mode, and working mode of the second dispensing subsystem 162 may be similar to those of the first dispensing subsystem 161, and the mode of the second dispensing subsystem 162 controlling the second medicine adding device 166 and the mud pump 132 may also be similar to the mode of the first dispensing subsystem 161 controlling the first medicine adding device 165 and the mud pump 132, and are not described herein again.

Alternatively, with reference to fig. 1, the sieving device 11 comprises a sieving machine 111 and a fourth pipe 112, the fourth pipe 112 being connected to the sieving machine 111 and the stabilization homogenization tank 12, respectively; a screening machine 111 adapted to perform a garbage separation process on the raw sludge slurry to form a sludge slurry to be stabilized; a fourth conduit 112 suitable for conveying the sludge slurry to be stabilized from the sizer 111 into the stabilization homogenization tank 12.

Illustratively, the screening machine 111 can be a drum screening machine, the screening machine 111 is installed at a position outside the stabilization homogenization tank 12, the fourth pipeline 112 extends into the stabilization homogenization tank 12, the screening machine 111 and the fourth pipeline 112 are matched together, so that sludge slurry to be stabilized can be conveniently conveyed for a long distance, the screening machine 111 does not need to be arranged inside the stabilization homogenization tank 12, and therefore the potential hazard that the screening machine 111 is polluted by the sludge slurry for a long time is reduced.

Optionally, referring to fig. 1 and 4, the sludge cleaning system further includes a cutter suction dredger 21, a fifth pipeline 22, a water-land cross-connection pipeline adaptive platform 23, a sixth pipeline 24, a relay pump 25 and a seventh pipeline 26, which are connected in sequence, and the seventh pipeline 26 is connected with the screening machine 111; the cutter suction dredger 21 is suitable for sucking raw sludge slurry from rivers and lakes; a fifth pipeline 22 adapted to transport raw sludge slurry from the cutter suction dredger 21 to the amphibious pipeline adaptive platform 23; an amphibious interfacing channel adaptive platform 23 adapted to be disposed in a river or lake at a position where the fifth channel 22 meets the sixth channel 24; a sixth pipeline 24 adapted to transport raw sludge slurry from the amphibious pipeline adaptive platform 23 to the relay pump 25; a seventh conduit 26 adapted to convey the raw sludge slurry from the relay pump 25 to the screener 111.

Illustratively, a part of the fifth pipeline 22 may be laid on the cutter suction dredger 21, another part of the fifth pipeline 22 may be laid in rivers and lakes, the sixth pipeline 24 may be laid on the land in an open-land manner by using a shore pipe, the fifth pipeline 22 may be communicated with the sixth pipeline 24 by using a flexible joint, so that the fifth pipeline 22 is smoothly connected with the sixth pipeline 24, a sufficient natural fluctuation length is provided at a part of the fifth pipeline 22, which is communicated with the sixth pipeline 24, the flexible joint may be fixed on the water-land connection pipeline adaptive platform 23, when the water-land connection pipeline adaptive platform 23 fluctuates with water flow in rivers and lakes, the fifth pipeline 22 may adaptively fluctuate with the water-land connection pipeline adaptive platform 23, so as to prevent the fifth pipeline 22 from being disconnected from the flexible joint due to too large fluctuation of the water-land connection pipeline adaptive platform 23, and the fifth pipeline 22, the sixth pipeline 24 and the seventh pipeline 26 all transport raw sludge in a closed manner, so as to prevent raw sludge slurry from leaking from the fifth pipeline 22, the sixth pipeline 24 and the seventh pipeline 26, and contribute to improving the environmental protection performance of the system.

Under the cooperation of the cutter suction dredger 21, the fifth pipeline 22, the water-land pipeline adaptive platform 23, the sixth pipeline 24, the relay pump 25 and the seventh pipeline 26, raw sludge slurry in rivers and lakes is promoted to be remotely transferred to the screening machine 111, so that the sludge conveying performance of the sludge cleaning system is improved, and the position where the fifth pipeline 22 and the sixth pipeline 24 are connected is supported through the water-land pipeline adaptive platform 23, so that the stability of the connection of the fifth pipeline 22 and the sixth pipeline 24 is improved.

Alternatively, referring to fig. 1 and 4, the amphibious interfacing line adaptive platform 23 comprises a pile 231, a spring 232 mounted on the pile 231, and a floating body device 233 mounted on the spring 232; the spring 232 is suitable for driving the floating body device 233 to lift under the action of water flow of rivers and lakes; a float device 233 adapted to be disposed at a position where the fifth pipe 22 meets the sixth pipe 24.

Illustratively, the pile 231 includes a conical pile and two opposite limiting arms, and the two limiting arms can be integrally formed on the top of the conical pile and form a containing space with the top of the conical pile; the conical piles can be inserted into the bottoms of rivers and lakes, the floating body devices 233 can float in the water of the rivers and lakes, and the floating body devices 233 can be made of plastics; a portion of the spring 232 may be located in the receiving space, and another portion of the spring 232 may be located outside the receiving space, and both ends of the spring 232 are fixedly connected to the top of the conical pile and the bottom of the floating body device 233, respectively.

Illustratively, two piles 231 are arranged at intervals, two springs 232 are arranged at intervals and are respectively mounted on the two piles 231, and the floating body device 233 is respectively fixedly connected with the two piles 231 to improve the balance of the water and land pipeline self-adaptive platform 23.

The pile 231 and the floating body device 233 are elastically connected through the spring 232, and the floating body device 233 is urged to change the height and position in the water along with the water flow by the elasticity of the spring 232, so that the floating body device 233 is facilitated to adapt to the water level change in time.

Optionally, a protrusion 2311 is provided on the top of the pile 231, a rod 2331 is provided on the bottom of the floating body device 233, and both ends of the spring 232 are connected to the protrusion 2311 and the rod 2331, respectively.

Illustratively, the protrusion 2311 is integrally formed on the top of the pile 231, the two struts 2331 are arranged in parallel and spaced apart and integrally formed on the bottom of the floating body device 233, and the two struts 2331 are respectively perpendicular to the cross section of the floating body device 233.

Since the protrusion 2311 protrudes from the top of the pile 231 and the support rod 2331 protrudes from the bottom of the floating body device 233, it is helpful to facilitate the fixed connection of the spring 232 with the pile 231 and the support rod 2331, respectively, and to simplify the structure of the water and land pipeline self-adapting platform 23.

The invention also provides a sludge cleaning method, which adopts the sludge cleaning system and comprises the following steps: performing garbage separation treatment on the original sludge slurry through a screening device 11 to form sludge slurry to be stabilized, and conveying the sludge slurry to be stabilized into a stabilization and homogenization tank 12; in the stabilization and homogenization tank 12, the sludge slurry to be stabilized is subjected to stabilization treatment to form sludge slurry to be dehydrated; the sludge to be dewatered is conveyed from the stabilization and homogenization tank 12 into a first pipeline 14 by a sludge transfer device 13; monitoring the slurry to be dehydrated flowing in the first pipeline 14 through the monitoring system 16 to obtain slurry monitoring data, and conveying a preset liquid medicine into the first pipeline 14 according to the slurry monitoring data; the slurry to be dehydrated mixed with the preset liquid medicine is conveyed into a dehydration system 15 through a first pipeline 14; the slurry to be dehydrated, conditioned by the preset liquid medicine, is dehydrated by a dehydration system 15.

The sludge cleaning method provided by the invention also comprises the following steps: raw sludge slurry is sucked from rivers and lakes by a cutter suction dredger 21; conveying the raw sludge slurry from the cutter-suction dredger 21 to the water-land connecting pipeline self-adaptive platform 23 through a fifth pipeline 22; conveying the raw sludge slurry from the water-land transfer pipeline self-adaptive platform 23 to a relay pump 25 through a sixth pipeline 24; the raw sludge slurry is transported from the relay pump 25 to the screening machine 111 through the seventh pipe 26.

The sludge cleaning system and the method provided by the invention have the advantages of combining shorter process flow and higher automation performance aiming at the cleaning work of the sludge slurry, overcoming the defects of larger difficulty and lower efficiency of the existing sludge cleaning system in cleaning the sludge slurry, and being beneficial to saving manpower and enhancing the sludge cleaning effect.

The terms "first", "second" and "third", etc., described herein, are used only for distinguishing devices/components/subassemblies/parts, etc., and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the definition of features as "first", "second" and "third", etc., may explicitly or implicitly mean that at least one of such features is included, unless explicitly specifically defined otherwise, "a plurality" means at least two, e.g., two, three, etc., and those skilled in the art may specifically understand the specific meaning of the above terms in the present invention.

The terms "aspect," "optionally," and "exemplary" described herein mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or implementation of the invention, the term schematic representation does not necessarily refer to the same embodiment or implementation, and the described particular feature, structure, material, or characteristic may be combined in any suitable manner in any one or more embodiments or implementations.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims

1. A sludge cleaning system is characterized by comprising a screening device (11), a stabilizing and homogenizing tank (12), a sludge rotating device (13), a first pipeline (14) and a dewatering system (15) which are connected in sequence, and a monitoring system (16) connected with the first pipeline (14);

the screening device (11) is suitable for performing garbage separation treatment on the raw sludge slurry to form sludge slurry to be stabilized and conveying the sludge slurry to be stabilized into the stabilization and homogenization tank (12);

the stabilization and homogenization tank (12) is suitable for stabilizing the sludge slurry to be stabilized to form sludge to be dehydrated;

-said sludge transfer device (13) adapted to convey the sludge to be dewatered from said stabilisation homogenization tank (12) into said first conduit (14);

the monitoring system (16) is suitable for monitoring the slurry to be dehydrated flowing in the first pipeline (14) to obtain slurry monitoring data, and delivering preset liquid medicine into the first pipeline (14) according to the slurry monitoring data;

the first pipeline (14) is suitable for conveying the slurry to be dehydrated mixed with the preset liquid medicine into the dehydration system (15);

and the dehydration system (15) is suitable for dehydrating the slurry to be dehydrated, which is conditioned by the preset liquid medicine.

2. The sludge cleaning system according to claim 1, wherein the monitoring system (16) comprises a first dispensing subsystem (161), a second dispensing subsystem (162), a flow detection device (163), a concentration detection device (164), a first dosing device (165), a second dosing device (166) and a first control device (167), the first dispensing subsystem (161) is connected with the first dosing device (165), the second dispensing subsystem (162) is connected with the second dosing device (166), and the flow detection device (163), the concentration detection device (164), the first dosing device (165) and the second dosing device (166) are respectively connected with the first control device (167);

the first pipeline (14) is respectively connected with the flow detection device (163), the concentration detection device (164), the first medicine adding device (165) and the second medicine adding device (166);

the first dispensing subsystem (161) is suitable for pre-allocating a first slurry conditioning liquid medicine;

the second dispensing subsystem (162) is suitable for pre-allocating a second slurry conditioning liquid medicine, and the pre-allocated liquid medicine comprises the first slurry conditioning liquid medicine and the second slurry conditioning liquid medicine;

-said flow detection means (163) being adapted to perform a flow detection of said sludge to be dewatered flowing in said first conduit (14), obtaining flow data, and to transmit said flow data to said first control means (167);

-said concentration detection means (164) being adapted to perform a concentration detection of said sludge to be dewatered flowing in said first conduit (14), obtaining concentration data, and to transmit said concentration data to said first control means (167);

the first dosing device (165) is adapted to deliver the first slurry conditioning chemical from the first dispensing subsystem (161) into the first conduit (14) under the control of the first control device (167);

the second dosing device (166) is adapted to deliver the second slurry conditioning solution from the second dispensing subsystem (162) into the first conduit (14) under the control of the first control device (167);

the first control device (167) is adapted to determine the mud monitoring data from the flow data and the concentration data and to control dosing of the first dosing device (165) and the second dosing device (166), respectively, from the mud monitoring data.

3. The sludge cleaning system according to claim 2, wherein the first dispensing subsystem (161) comprises a second control device, a water supply device, a first feeding device, a premixing device, a second feeding device, a blending device, a curing device, a drug storage device, a liquid level detection device and an alarm device, the second control device is respectively connected with the water supply device, the first feeding device, the premixing device, the second feeding device, the blending device, the curing device, the liquid level detection device, the alarm device and the first drug adding device (165), the water supply device is respectively connected with the premixing device and the blending device, the first feeding device, the premixing device, the second feeding device, the blending device, the curing device, the drug storage device and the liquid level detection device are sequentially connected, the medicine storage device is connected with the first medicine adding device (165);

the second control device is suitable for respectively controlling the water supply device, the first feeding device, the premixing device, the second feeding device, the modulating device, the curing device, the alarming device and the first dosing device (165) according to the liquid level data;

the second control device is specifically suitable for respectively controlling the closing of the water supply device, the first feeding device, the premixing device, the second feeding device, the modulation device and the curing device and controlling the starting of the first dosing device (165) when the liquid level data represents that the liquid level is at a high level;

the second control device is particularly suitable for respectively carrying out alarm control on the alarm device and closing control on the first dosing device (165) when the liquid level data represents that the liquid level is at a low level;

the first dosing device (165) is adapted to deliver the first slurry conditioning chemical from the chemical storage device into the first pipe (14) under the control of the first control device (167) when the liquid level is between the high level and the low level.

4. The sludge cleaning system according to any one of the claims 1 to 3, wherein the dewatering system (15) comprises a settling tower (151), a second pipe (152) and a filter press (153) connected in sequence, the first pipe (14) is connected with the settling tower (151);

the settling tower (151) is suitable for carrying out settling dehydration treatment on the slurry to be dehydrated conditioned by the preset liquid medicine to form dehydrated slurry;

-said second conduit (152) adapted to convey said de-watered sludge from said settling tower (151) into said filter press (153);

the filter press (153) is suitable for performing filter press dehydration treatment on the dehydrated slurry.

5. The sludge cleaning system as claimed in any one of the claims 1 to 3, wherein the sludge transfer device (13) comprises a third pipe (131) and a sludge pump (132), the third pipe (131) is connected with the sludge pump (132) and the stabilization and homogenization tank (12), respectively, and the sludge pump (132) is connected with the first pipe (14);

the sludge pump (132) is adapted to draw the sludge to be dewatered from the stabilization homogenization tank (12) into the third conduit (131) and to convey the sludge to be dewatered from the third conduit (131) into the first conduit (14).

6. Sludge cleaning system according to any of the claims 1 to 3, wherein the sieving device (11) comprises a sieving machine (111) and a fourth pipe (112), the fourth pipe (112) being connected to the sieving machine (111) and the stabilization and homogenization tank (12), respectively;

the screening machine (111) is suitable for performing garbage separation treatment on the raw sludge slurry to form the sludge slurry to be stabilized;

the fourth conduit (112) being adapted to convey the sludge slurry to be stabilized from the sizer (111) into the stabilization homogenization tank (12).

7. The sludge cleaning system according to claim 6, further comprising a cutter suction dredger (21), a fifth pipeline (22), a water-land pipeline adaptive platform (23), a sixth pipeline (24), a relay pump (25) and a seventh pipeline (26) which are connected in sequence, wherein the seventh pipeline (26) is connected with the sieving machine (111);

the cutter suction vessel (21) is suitable for sucking the raw sludge slurry from rivers and lakes;

the fifth pipeline (22) is suitable for conveying the raw sludge slurry from the cutter suction vessel (21) to the amphibious pipeline adaptive platform (23);

the amphibious interfacing channel adaptive platform (23) is suitable for being arranged in the river and lake at the position where the fifth channel (22) is connected with the sixth channel (24);

the sixth pipeline (24) is suitable for conveying the raw sludge slurry from the amphibious pipeline adaptive platform (23) to the relay pump (25);

the seventh pipeline (26) is suitable for conveying the raw sludge slurry from the relay pump (25) to the sieving machine (111).

8. The sludge cleaning system of claim 7 wherein the amphibious cross-over line adaptive platform (23) comprises a pile (231), a spring (232) mounted on the pile (231), and a float device (233) mounted on the spring (232);

the spring (232) is suitable for driving the floating body device (233) to lift under the action of water flow of the river and the lake;

the float device (233) is adapted to be disposed at a position where the fifth pipe (22) meets the sixth pipe (24).

9. The sludge cleaning system as claimed in claim 8, wherein a protrusion (2311) is provided on the top of the pile (231), a support rod (2331) is provided on the bottom of the float means (233), and both ends of the spring (232) are connected to the protrusion (2311) and the support rod (2331), respectively.

10. A sludge cleaning method using the sludge cleaning system according to any one of claims 1 to 9, the sludge cleaning method comprising:

performing garbage separation treatment on the raw sludge slurry through a screening device (11) to form sludge slurry to be stabilized, and conveying the sludge slurry to be stabilized into a stabilization and homogenization tank (12);

in the stabilization and homogenization tank (12), the sludge slurry to be stabilized is subjected to stabilization treatment to form sludge slurry to be dehydrated;

-conveying the sludge to be dewatered from the stabilising homogenizing tank (12) through a sludge transfer device (13) into a first conduit (14);

monitoring the slurry to be dehydrated flowing in the first pipeline (14) through a monitoring system (16) to obtain slurry monitoring data, and conveying preset liquid medicine into the first pipeline (14) according to the slurry monitoring data;

the mud to be dehydrated mixed with the preset liquid medicine is conveyed into a dehydration system (15) through the first pipeline (14);

and dehydrating the slurry to be dehydrated conditioned by the preset liquid medicine through the dehydration system (15).