CN111912475A - Real-time monitoring system and method for pipeline cleaning - Google Patents
Real-time monitoring system and method for pipeline cleaning Download PDFInfo
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- CN111912475A CN111912475A CN202010876353.3A CN202010876353A CN111912475A CN 111912475 A CN111912475 A CN 111912475A CN 202010876353 A CN202010876353 A CN 202010876353A CN 111912475 A CN111912475 A CN 111912475A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 239000010802 sludge Substances 0.000 claims abstract description 81
- 239000002351 wastewater Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000013049 sediment Substances 0.000 claims abstract description 26
- 230000010365 information processing Effects 0.000 claims abstract description 15
- 238000005070 sampling Methods 0.000 claims description 7
- 238000013506 data mapping Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 6
- 239000002002 slurry Substances 0.000 description 17
- 150000003839 salts Chemical class 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/04—Investigating sedimentation of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
- G01N27/08—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid which is flowing continuously
- G01N27/10—Investigation or analysis specially adapted for controlling or monitoring operations or for signalling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
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- Aviation & Aerospace Engineering (AREA)
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to a real-time monitoring system and a real-time monitoring method for pipeline cleaning, wherein the system comprises an electromagnetic flowmeter, a sludge concentration meter, a conductivity meter and an information processing end, and the information processing end receives electric signals detected by the electromagnetic flowmeter, the sludge concentration meter and the conductivity meter for processing and displaying in real time. The method comprises the following steps: s1, detecting the cleaning wastewater in the pipeline through a sludge concentration meter to obtain the sludge concentration and turbidity, and calculating the weight of flushed sediments according to the sludge concentration or turbidity; s2, detecting the conductivity and the water temperature of the cleaning wastewater in the pipeline through a conductivity meter; and S3, taking the large increase of the conductivity or the turbidity as the starting point of the cleaning, and taking the conductivity or the turbidity as a normal level as the end point of the cleaning. After the system and the method are adopted, online display is realized, the operation is simple, the time and the labor are saved, the stored data volume is large, the formula calculation requirements are met, and the timeliness of the data is ensured.
Description
Technical Field
The invention relates to the technical field of pipeline cleaning, in particular to a pipeline cleaning real-time monitoring system and method using ice slurry to clean a pipeline.
Background
When the ice slurry is used for cleaning a water supply pipeline, how to save water quantity as much as possible on the premise of ensuring the cleaning effect is very critical, and a certain flow rate also needs to be controlled, so that the formed ice slurry passes through the pipeline at the optimal flow rate to obtain the optimal cleaning effect; the start time and the end time of ice slurry cleaning are accurately judged, so that the time for ice slurry cleaning can be calculated, and the washing wastewater can be collected for subsequent treatment when the ice slurry cleaning is finished, so that the collection amount of the cleaning wastewater can be well controlled; because the ice slurry used for cleaning the pipeline is prepared by salt, the salt residue in the cleaning wastewater needs to be tracked so as to avoid the corrosion of the salt residue on the pipeline; furthermore, it is also the most direct and convincing question to evaluate the cleaning effect of ice slurry by what method or index. In summary, it is necessary to find a practical method for monitoring the water amount, cleaning process, washing wastewater collection condition, salt residue condition of the water supply pipeline cleaned by the ice slurry at the cleaning operation site, and reliably evaluating the cleaning effect.
When the ice slurry is adopted to clean the water supply pipeline, the water quantity can be obtained by calculation, the flow rate can also be measured by a flow velocity meter, but an index can be preferably found, the water quantity and the flow rate can be simultaneously reflected during the cleaning operation, and the operation is convenient; the condition of salt residue can be judged by detecting the concentration of chloride ions in water, but the concentration of chloride ions cannot be detected in real time on an operation site, so that an index capable of reflecting the change of the concentration of chloride ions in real time on the operation site needs to be searched; when a water supply pipeline is cleaned, although the washing process can be judged by observing the color change of the discharged wastewater by naked eyes, the subjectivity of the naked eye observation is too strong, the obtained starting time and the obtained ending time can be different from person to person, and the accuracy is not high; the measurement of the amount of the sediment flushed out of the pipeline is a key index for evaluating the effect of the ice slurry on cleaning the water supply pipeline, but the flushed out pipeline sediment is mixed with a large amount of ice water, the sediment is directly collected and weighed by a physical method, and the actual operation is difficult.
Disclosure of Invention
The invention aims to provide a real-time monitoring system and a real-time monitoring method for pipeline cleaning, which can realize online evaluation of cleaning wastewater during cleaning, determine the time points of starting cleaning and finishing cleaning and improve the accuracy of evaluation.
The technical scheme adopted by the invention for solving the technical problems is as follows: a real-time monitoring system for cleaning pipeline is arranged at the outlet of the cleaned pipeline and comprises
The electromagnetic flowmeter is used for detecting the flow and the flow velocity of the cleaning wastewater in the pipeline and converting the flow and the flow velocity into electric signals;
the sludge concentration meter is used for detecting the sludge concentration and turbidity of the cleaning wastewater in the pipeline and converting the sludge concentration and turbidity into electric signals;
the conductivity meter is used for detecting the conductivity and the temperature of the cleaning wastewater in the pipeline and converting the conductivity and the temperature into electric signals;
and the information processing end receives the electric signals detected by the electromagnetic flowmeter, the sludge concentration meter and the conductivity meter, processes the electric signals and displays the electric signals in real time.
Further specifically, the electromagnetic flow meter, the sludge concentration meter and the conductivity meter are sequentially arranged on the first pipeline according to the flow direction of the cleaning wastewater.
More specifically, two ends of the first pipeline are respectively provided with a flange for connection, the sludge concentration meter is installed on the first pipeline by a black tee joint, and the pipeline close to the outlet of the first pipeline is provided with an observation window.
Further specifically, the system comprises a cabinet body, wherein the electromagnetic flowmeter, the sludge concentration meter and the conductivity meter are arranged in the cabinet body, the information processing end is arranged at the top of the cabinet body, and universal wheels are arranged at the bottom of the cabinet body.
More specifically, a sampling port is arranged on the pipeline close to the outlet of the first pipeline, and a water outlet tap is arranged on the sampling port.
A real-time monitoring method for pipeline cleaning comprises the following steps:
s1, detecting the sludge concentration and turbidity of the cleaning wastewater in the pipeline through a sludge concentration meter, and calculating the weight of flushed sediments according to the sludge concentration or turbidity;
s2, detecting the conductivity and the water temperature of the cleaning wastewater in the pipeline through a conductivity meter;
and S3, taking the large increase of the conductivity or the turbidity as the starting point of the cleaning, and taking the conductivity or the turbidity as a normal level as the end point of the cleaning.
More specifically, in step S3, the time point when the conductivity or turbidity is first greatly increased is the start point of the cleaning, and the time point when the conductivity or turbidity is finally reduced to the normal level is the end point of the cleaning.
More specifically, the method for calculating the weight of the flushed sediments according to the turbidity in step S1 includes:
d1, detecting the continuous turbidity T by a sludge concentration meter and detecting the outflow flow Q by an electromagnetic flowmeter;
d2, measuring the turbidity change detected by the sludge concentration meter, and timing to obtain the required time t from the beginning to the end;
d3, introducing the turbidity data in the time period t into Origin or other common data plotting analysis software, fitting the turbidity-time function relationship, and calculating the integral value of the turbidity in the time period t
D4, taking 3-5 groups of samples in the process of cleaning the pipeline, returning the samples to a laboratory to measure the concentration and turbidity of the sludge, and calculating the proportional mean value of the samples and the turbidity, wherein the proportional mean value is defined as k;
d5, the weight M of punched sediment is as follows:
more specifically, the method for calculating the weight of the flushed sediments according to the sludge concentration in step S1 includes:
t1, detecting the continuous sludge concentration SS by a sludge concentration meter and detecting the outflow flow Q by an electromagnetic flowmeter;
t2, measuring the change of the sludge concentration by a sludge concentration meter, and timing from the beginning to the end to obtain the required time T;
t3, importing the sludge concentration data in the T period into Origin or other common data mapping analysis software, fitting the functional relation of the sludge concentration and the time, and calculating the integral value of the sludge concentration in the T period
T4, the weight M of punched sediment is as follows:
more specifically, the outflow rate Q is an average flow rate of the t time period.
The invention has the beneficial effects that: after the system and the method are adopted, the flow is detected by the electromagnetic flowmeter to control the water consumption and the flow rate for cleaning; judging the time points of the start and the end of cleaning and the time point of the collection of cleaning wastewater by monitoring the change of the conductivity, and tracking the salt residue condition in the pipeline; calculating the weight of flushed sediments by detecting the concentration and turbidity of the sludge on line; the electromagnetic flowmeter, the sludge concentration meter, the conductivity meter and the information processing end are combined for use, online display is achieved, operation is simple, time and labor are saved, the amount of stored data is large, formula calculation requirements are met, and timeliness of the data is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a real-time monitoring system for cleaning a pipeline according to the present invention.
In the figure: 1. an electromagnetic flow meter; 2. a sludge concentration meter; 3. a conductivity meter; 4. an information processing terminal; 5. a first conduit; 6. an observation window; 7. a cabinet body; 8. a universal wheel; 9. a black tee joint; 10. and displaying the screen.
Detailed Description
The invention is described in detail below with reference to the following figures and embodiments:
as shown in FIG. 1, a real-time monitoring system for cleaning pipeline is arranged at the outlet of the cleaned pipeline, and comprises
The electromagnetic flowmeter 1 is used for detecting the flow and the flow velocity of the cleaning wastewater in the pipeline and converting the flow and the flow velocity into electric signals;
the sludge concentration meter 2 is used for detecting the sludge concentration and turbidity of the cleaning wastewater in the pipeline and converting the sludge concentration and turbidity into electric signals;
the conductivity meter 3 is used for detecting the conductivity and the temperature of the cleaning wastewater in the pipeline and converting the conductivity and the temperature into electric signals;
and the information processing end 4 receives the electric signals detected by the electromagnetic flowmeter 1, the sludge concentration meter 2 and the conductivity meter 3, processes the electric signals and displays the electric signals in real time.
Meanwhile, the electromagnetic flowmeter 1, the sludge concentration meter 2 and the conductivity meter 3 are sequentially arranged on a first pipeline 5 according to the flow direction of cleaning wastewater, the first pipeline 5 comprises an inlet and an outlet, a flange is arranged at the inlet and connected with a cleaned pipeline, and a flange is also arranged at the outlet and used for connecting a drain valve; since the external light can interfere the detection result of the sludge concentration meter, the sludge concentration meter 2 is arranged on the first pipeline through a black tee joint, and the black tee joint can ensure that the sludge concentration meter 2 can normally work to ensure the detection result; in order to visually observe the color change of the cleaning wastewater, an observation window 6 is arranged on the pipeline close to the outlet of the first pipeline 5, the observation window 6 is pure color and transparent, a sampling port is arranged on the pipeline close to the outlet of the first pipeline 5, a water outlet faucet is arranged on the sampling port, and the cleaning wastewater can be sampled by opening the water outlet faucet; the electromagnetic flowmeter 1, the sludge concentration meter 2, the conductivity meter 3 and the first pipeline 5 are all arranged in a cabinet body 7, meanwhile, universal wheels 8 are arranged at the bottom of the cabinet body 7, a handle is arranged on the cabinet body 7, and the cabinet body 7 can be conveniently pushed to move through the handle; in order to display in real time, the information processing end 4 is arranged at the top of the cabinet body 7, the height of the cabinet body 7 enables the information processing end 4 to be convenient to operate, and the height of the cabinet body 7 is controlled to be 1-1.2 m; the cabinet body 7 can be formed by a bracket, the front, the back, the left and the right are designed to be open, so that the subsequent maintenance of instruments, pipelines and the like is convenient, and the corrosion of salt in ice slurry can be prevented by adopting the stainless steel material; the cabinet body 7 can also be formed by a bracket and a layer of stainless steel plate covered on the bracket to shield the interior of the cabinet body 7, and meanwhile, the observation window 6 and the water outlet tap are ensured to be arranged outside the cabinet body 7; the first pipeline 5 and the black tee joint 9 are both made of black pressure-resistant UPVC pipelines, and the first pipeline 5, the electromagnetic flowmeter 1, the sludge concentration meter 2 and the conductivity meter 3 are all subjected to anticorrosion treatment; the electromagnetic flowmeter 1 detects that the flow signal is transmitted to the information processing terminal 4 for processing, and the information processing terminal 4 adjusts the flow according to the processed result.
The information processing terminal 4 comprises a shell, a processing unit arranged in the shell, a display screen 10 and a USB interface arranged on the shell, wherein a chip for processing data and a corresponding acquisition circuit are arranged in the processing unit, processing software is arranged in the chip, a power interface and a rechargeable battery are arranged, storage facilities such as a USB flash disk can be externally inserted at the USB interface, data can be automatically stored at a set frequency, and the timeliness and the effective data volume of the data are guaranteed.
Based on the system, in order to display in real time, a pipeline cleaning real-time monitoring method is adopted, and the method comprises the following steps:
s1, detecting the cleaning wastewater in the pipeline through a sludge concentration meter 2 to obtain the sludge concentration and turbidity, converting the sludge concentration and the turbidity into electric signals by the sludge concentration meter 2, transmitting the electric signals to an information processing terminal 4 for processing and calculation, and calculating the weight of flushed sediments according to the sludge concentration or turbidity; the weight of the flushed sediment can be calculated according to the sludge concentration or the turbidity.
The first calculation method for calculating the weight of the flushed sediments according to the turbidity of the cleaning wastewater comprises the following steps:
d1, continuous turbidity T which can be detected on line through the sludge concentration meter 2, outflow Q which is detected through the electromagnetic flowmeter 1 is defaulted to be a stable value, and the measured average value of the T time period can be actually obtained.
D2, obtaining the required time t from the beginning to the end of timing through the turbidity change detected by the sludge concentration meter 2; during cleaning, the flushed out deposits will flow out over a short period of time t and will show a dramatic change in turbidity of the flushed out deposits and take on a "bell" shape.
D3, introducing the turbidity data in the time period t into Origin or other common data plotting analysis software, fitting the turbidity-time function relationship, and calculating the integral value of the turbidity in the time period t
D4, taking 3-5 groups of samples through a water outlet faucet in the process of cleaning the pipeline, returning the samples to a laboratory to measure the concentration and turbidity of the sludge, and calculating the proportional mean value of the two, wherein the proportional mean value is defined as k;
d5, the weight M of punched sediment is as follows:
the second calculation method for calculating the weight of flushed sediments according to the sludge concentration of the cleaning wastewater comprises the following steps:
t1, detecting the continuous sludge concentration SS by the sludge concentration meter 2, detecting the outflow flow Q by the electromagnetic flowmeter 1, defaulting the outflow flow Q to be a stable value, actually taking the measured average value of the T time period, if calculating by using the real-time measured value of Q, greatly increasing the complexity of calculation, and having little influence on the final calculation result, therefore, taking simplification consideration and selecting the average value.
T2, the change of the sludge concentration detected by the sludge concentration meter 2, and the required time T from the beginning to the end of the timing, during the cleaning process, the flushed sediment will flow out in a short time T, and at the same time, the flushed sediment will show a sharp change of the sludge concentration and will show a "bell shape".
T3, importing the sludge concentration data in the T period into Origin or other common data mapping analysis software, fitting the functional relation of the sludge concentration and the time, and calculating the integral value of the sludge concentration in the T period
T4, the weight M of punched sediment is as follows:
in the two calculation methods, the online detection of the change of the sludge concentration is simpler and more convenient, and the advantage of turbidity is more commonly used in water supply indexes, is easier to understand by people and can more intuitively reflect the flushing effect; the online measurement in the above method can be replaced by manual sampling measurement, but the error possibly introduced can be large.
And S2, detecting the conductivity and the water temperature of the cleaning wastewater in the pipeline through the conductivity meter 3.
S3, selecting the conductivity or turbidity as the starting point of cleaning and the normal level as the end point of cleaning according to the requirement.
When the ice slurry is adopted to clean the water supply pipeline, an index convenient for real-time monitoring can be preferably found, and the water quantity and the flow rate can be simultaneously reflected during the cleaning operation, so that the aim of simultaneously controlling the water quantity and the flow rate is fulfilled by adopting the electromagnetic flowmeter 1 to detect the flow in real time; although the condition of salt residue can be judged by detecting the concentration of chloride ions in water, the condition of salt residue cannot be detected in real time on an operation site; when a water supply pipeline is cleaned, although the washing process can be judged by observing the color change of discharged wastewater through naked eyes, the subjectivity of the naked eye observation is too strong, the obtained starting time and the obtained ending time can be different from person to person, the accuracy is not high, and the ice slurry is considered to be made of a salt solution, so the invention provides that the starting time and the ending time of the ice slurry cleaning are judged by detecting the change of the conductivity in real time; meanwhile, the process of starting and ending the ice slurry cleaning can be judged by using the change of the turbidity, the turbidity is greatly increased after the cleaning is started, and the turbidity level in the normal tap water is slowly recovered after the cleaning is ended; the measurement of the amount of the sediment flushed out of the pipeline is a key index for evaluating the effect of ice slurry on cleaning a water supply pipeline, but the flushed out pipeline sediment is mixed with a large amount of ice water, the sediment is directly collected and weighed by a physical method, and the actual operation is difficult, so that the invention provides that the quality of the flushed out sediment is calculated by the sludge concentration or turbidity.
The invention integrates the above instruments into circuits, and when water flows through the integrated circuits, the data of flow, sludge concentration, turbidity, conductivity, temperature and the like can be synchronously displayed on line in real time, the operation is simple, time and labor are saved, the amount of stored data is large, the requirement of formula calculation is met, and the timeliness of the data is also ensured.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A real-time monitoring system for cleaning pipeline is arranged at the outlet of the cleaned pipeline and is characterized by comprising
The electromagnetic flow meter (1) is used for detecting the flow and the flow velocity of the cleaning wastewater in the pipeline and converting the flow and the flow velocity into electric signals;
the sludge concentration meter (2) is used for detecting the sludge concentration and turbidity of the cleaning wastewater in the pipeline and converting the sludge concentration and turbidity into electric signals;
the conductivity meter (3) is used for detecting the conductivity and the temperature of the cleaning wastewater in the pipeline and converting the conductivity and the temperature into electric signals;
and the information processing end (4) receives the electric signals detected by the electromagnetic flowmeter (1), the sludge concentration meter (2) and the conductivity meter (3), processes the electric signals and displays the electric signals in real time.
2. The real-time monitoring system for pipeline cleaning according to claim 1, wherein the electromagnetic flow meter (1), the sludge concentration meter (2) and the conductivity meter (3) are sequentially arranged on the first pipeline (5) according to the flow direction of cleaning wastewater.
3. The real-time monitoring system for pipeline cleaning according to claim 2, wherein a flange for connection is arranged at each of two ends of the first pipeline (5), the sludge concentration meter (2) is arranged on the first pipeline (5) by a black tee joint (9), and an observation window (6) is arranged on the pipeline close to the outlet of the first pipeline (5).
4. The real-time pipeline cleaning monitoring system according to claim 1, wherein the system comprises a cabinet body (7), the electromagnetic flowmeter (1), the sludge concentration meter (2) and the conductivity meter (3) are arranged inside the cabinet body (1), the information processing end (4) is arranged at the top of the cabinet body (1), and universal wheels (8) are arranged at the bottom of the cabinet body (1).
5. The real-time monitoring system for pipeline cleaning according to claim 1, wherein a sampling port is provided on the pipeline near the outlet of the first pipeline (5), and a water outlet tap is provided on the sampling port.
6. A real-time monitoring method for pipeline cleaning is characterized by comprising the following steps:
s1, detecting the sludge concentration and turbidity of the cleaning wastewater in the pipeline through a sludge concentration meter (2), and calculating the weight of the flushed sediments according to the sludge concentration or turbidity;
s2, detecting the conductivity and the water temperature of the cleaning wastewater in the pipeline through a conductivity meter (3);
and S3, taking the large increase of the conductivity or the turbidity as the starting point of the cleaning, and taking the conductivity or the turbidity as a normal level as the end point of the cleaning.
7. The method for real-time monitoring of pipe cleaning according to claim 6, wherein the time point when the conductivity or turbidity is substantially increased in step S3 is the start point of cleaning, and the time point when the conductivity or turbidity is finally returned to the normal level is the end point of cleaning.
8. The method for real-time monitoring of pipe cleaning according to claim 6, wherein the method for calculating the weight of the flushed deposits according to the turbidity in step S1 comprises:
d1, continuous turbidity T detected by the sludge concentration meter (2) and outflow flow Q detected by the electromagnetic flowmeter (1);
d2, obtaining the required time t from the beginning to the end of timing through the turbidity change detected by the sludge concentration meter (2);
d3, introducing the turbidity data in the time period t into Origin or other common data plotting analysis software, fitting the turbidity-time function relationship, and calculating the integral value of the turbidity in the time period t
D4, taking 3-5 groups of samples in the process of cleaning the pipeline, returning the samples to a laboratory to measure the concentration and turbidity of the sludge, and calculating the proportional mean value of the samples and the turbidity, wherein the proportional mean value is defined as k;
d5, the weight M of punched sediment is as follows:
9. the method for real-time monitoring of pipeline cleaning according to claim 6, wherein the step S1 of calculating the weight of the flushed sediments according to the sludge concentration of the cleaning wastewater comprises the following steps:
t1, the continuous sludge concentration SS detected by the sludge concentration meter (2), and the outflow flow Q detected by the electromagnetic flowmeter (1);
t2, measuring the change of the sludge concentration by the sludge concentration meter (2), and timing from the beginning to the end to obtain the required time T;
t3, importing the sludge concentration data in the T period into Origin or other common data mapping analysis software, fitting the functional relation of the sludge concentration and the time, and calculating the integral value of the sludge concentration in the T period
T4, the weight M of punched sediment is as follows:
10. the method according to claim 8 or 9, wherein the outflow Q is an average flow over a period of time t.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113010518A (en) * | 2021-03-15 | 2021-06-22 | 小洖科技(苏州)有限公司 | Method and device for processing pipeline cleaning data |
| CN113976553A (en) * | 2021-09-16 | 2022-01-28 | 河海大学 | Pipeline cleaning device based on ice slurry spraying and cleaning method thereof |
| CN114509545A (en) * | 2021-12-28 | 2022-05-17 | 华能汕头海门发电有限责任公司 | Heat supply pipeline uses for the first time and washs evaluation device |
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2020
- 2020-08-27 CN CN202010876353.3A patent/CN111912475A/en active Pending
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| CN113010518A (en) * | 2021-03-15 | 2021-06-22 | 小洖科技(苏州)有限公司 | Method and device for processing pipeline cleaning data |
| CN113010518B (en) * | 2021-03-15 | 2023-12-15 | 小洖科技(苏州)有限公司 | Pipeline cleaning data processing method and device |
| CN113976553A (en) * | 2021-09-16 | 2022-01-28 | 河海大学 | Pipeline cleaning device based on ice slurry spraying and cleaning method thereof |
| CN113976553B (en) * | 2021-09-16 | 2023-02-28 | 河海大学 | Pipeline cleaning device based on ice slurry spraying and cleaning method thereof |
| CN114509545A (en) * | 2021-12-28 | 2022-05-17 | 华能汕头海门发电有限责任公司 | Heat supply pipeline uses for the first time and washs evaluation device |
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