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CN-122007097-A - Pipeline cleaning device for haematococcus pluvialis culture

CN122007097ACN 122007097 ACN122007097 ACN 122007097ACN-122007097-A

Abstract

The invention discloses a pipeline cleaning device for haematococcus pluvialis cultivation, and relates to the technical field of cultivation pipeline cleaning, comprising a bottom frame; the invention realizes accurate quantitative evaluation of the pollution state and the blocking degree of the pipeline by constructing a model of the dirt thickness index and the flow resistance index and combining image processing and sensor data, changes the cleaning process from empirical driving to data driving, improves the scientificity and accuracy of cleaning decisions, dynamically calculates correction coefficients according to the pollutant thickness and the blocking degree level, intelligently adjusts the output power of a conveying pump and a reflux pump based on the weight coefficients, realizes optimal matching of cleaning strength and energy consumption, avoids the problem of over cleaning or insufficient cleaning, ensures that the calculation of the pollutant thickness and the flow resistance index has more pertinence and adaptability by fitting the weight coefficients with historical data, combines a power adjustment mechanism, realizes the saving use of cleaning liquid and electric energy, reduces the running cost and meets the requirements of green cleaning and sustainable development.

Inventors

  • CHEN TAO
  • LIAO QIANG
  • HUANG YUN
  • ZHU SHUN

Assignees

  • 重庆大学

Dates

Publication Date
20260512
Application Date
20260227

Claims (9)

  1. 1. The utility model provides a pipeline cleaning device for haematococcus pluvialis cultivation, includes underframe (1), wherein a plurality of circulation cleaning tanks (2) are installed to underframe (1) top surface equidistance, circulation cleaning tank (2) bottom surface is equipped with drain pipe (3), drain pipe (3) one end is through flange joint first solenoid valve pipe (4), a plurality of first solenoid valve pipe (4) one end is connected with a first connecting pipe (5) jointly through the flange, the one end of first connecting pipe (5) is through flange joint the input of delivery pump (6), the output of delivery pump (6) is equipped with the first flange pipe that is used for the intercommunication cultivation pipeline, underframe (1) top surface one side is equipped with the electric cabinet, be located electric cabinet one side position department on underframe (1) and install the stand, stand top rigid coupling has backwash pump (7); An intelligent control component is arranged in the control box of the cleaning device, and comprises an analysis module; The analysis module is used for constructing a real-time monitoring and early warning model of the dirt accumulation state of the inner wall of the pipeline, calculating a dirt thickness index based on the covering area occupation ratio of the pollutant of the inner wall of the pipeline and the normalized turbidity change, and representing the accumulation degree of the dirt on the inner wall of the pipeline; calculating a circulation resistance index based on the deviation of the actual flow and the rated flow and the deviation of the actual pressure and the rated pressure, and the circulation resistance index is used for representing the influence degree of dirt accumulation on the circulation performance of the pipeline, setting early warning thresholds through the thickness and volume information of the dirt in the historical data, carrying out low, medium and high-level early warning on the dirt accumulation state, calculating corresponding scale prevention intervention coefficients according to the dirt accumulation grade and the circulation resistance grade, and further dynamically adjusting the operation parameters of the conveying pump and the reflux pump by combining the weight coefficients, so as to realize active intervention and inhibition in the initial stage of dirt accumulation.
  2. 2. The pipeline cleaning device for haematococcus pluvialis culture according to claim 1, wherein the data analysis by the analysis module comprises the following steps: m1, sorting the collected corresponding item data, calculating the mean value and standard deviation, setting the fluctuation range, identifying and eliminating abnormal values, obtaining real-time image data through a pipeline inner wall image collecting system, identifying a dirt coverage area after graying and image segmentation processing, and calculating the coverage area occupation ratio of dirt on the pipeline inner wall As a fundamental characterizing parameter for soil accumulation; m2 based on the coverage area duty cycle And turbidity change value of cleaning solution in the return passage to construct dirt thickness index The method is used for quantifying accumulated thickness of dirt on the inner wall of the pipeline, and constructing a flow resistance index based on flow deviation and pressure deviation of an inlet and an outlet of the pipeline And fitting a regression coefficient by a least square method according to the dirt thickness and volume information in the historical data, and normalizing to obtain a weight coefficient of a dirt thickness index and a circulation resistance index.
  3. 3. The device for cleaning a pipeline for haematococcus pluvialis cultivation of claim 1, wherein the intelligent control assembly comprises an adjusting module, and the adjusting module comprises the following steps: Y1, setting a judging node according to historical blockage thickness data, dividing the pollutant thickness and blockage degree into low, medium and high levels, and correspondingly giving a grade index And According to the grade index And Calculating a contaminant thickness correction factor Coefficient of clogging degree correction ; Y2 based on the correction coefficient And And preset weight coefficient of (2) And The output power of the transfer pump and the return pump is dynamically adjusted.
  4. 4. The pipe cleaning device for haematococcus pluvialis cultivation according to claim 1, wherein the input end of the reflux pump (7) is provided with a second flange pipe used for communicating cultivation pipes, the output end of the reflux pump (7) is connected with an inlet pipe of an inlet four-way valve pipe (8) through a flange, four-way pipes of the inlet four-way valve pipe (8) are all connected with reflux pipes (9) through flanges, one end of each reflux pipe (9) is connected with a second electromagnetic valve pipe (10) through a flange, one end of each second electromagnetic valve pipe (10) is connected with a filter assembly arranged at one position of the outer wall of the circulation cleaning tank (2) through a flange, and one side outer wall of each filter assembly is provided with a second connecting pipe communicated with the adjacent circulation cleaning tank (2).
  5. 5. The pipe cleaning device for haematococcus pluvialis cultivation according to claim 1, wherein the number of the circulating cleaning tanks (2) is four, and the four circulating cleaning tanks (2) are a clean water tank, an acid water tank, an alkali water tank and a hot water tank in sequence.
  6. 6. The device for cleaning a pipeline for cultivating haematococcus pluvialis according to claim 4, wherein the one-inlet four-way valve pipe (8) is internally provided with a third electromagnetic valve for controlling the circulation of an internal pipeline.
  7. 7. The pipe cleaning device for haematococcus pluvialis cultivation of claim 4, wherein the filtering assembly comprises a filtering box (11), the top surface of the filtering box (11) is provided with openings, two baffle plates (12) which are arranged in a staggered mode are symmetrically arranged on the inner wall of the filtering box (11), first threaded holes are formed in the top surfaces of the two baffle plates (12), a top cover is mounted at the upper end of the inner wall of the filtering box (11), two first fixing bolts which are in threaded connection with the first threaded holes of the top surfaces of the two baffle plates (12) are symmetrically arranged on the top cover, a plurality of dovetail grooves are formed in the bottom surface of the top cover at equal intervals, and filter bags (13) are slidably connected at the positions of the dovetail grooves on the top cover.
  8. 8. The pipe cleaning device for haematococcus pluvialis cultivation of claim 7, wherein the top end of the filter bag (13) is fixedly connected with a T-shaped fixing strip, and a plurality of second threaded holes are formed in one side of the T-shaped fixing strip at equal intervals.
  9. 9. The pipe cleaning device for haematococcus pluvialis cultivation of claim 7, wherein dovetail blocks (14) are slidably arranged in the dovetail grooves, two L-shaped plates are arranged on the bottom surfaces of the dovetail blocks (14) in a mirror image mode, T-shaped fixing strips are slidably arranged in the two L-shaped plates, a plurality of through holes corresponding to second threaded holes are formed in the two L-shaped plates, and second fixing bolts are connected between the second threaded holes and the through holes in a screwed mode.

Description

Pipeline cleaning device for haematococcus pluvialis culture Technical Field The invention relates to the technical field of culture pipeline cleaning, in particular to a pipeline cleaning device for haematococcus pluvialis culture. Background The haematococcus pluvialis is used as an important microalgae resource, the requirements on water quality and the cleanliness of cultivation equipment are extremely high in the cultivation process, a cultivation pipeline is used as a core carrier for nutrient solution transportation and algae body circulation, pollutants such as algae residues, microbial films and scale are easy to adhere to the inner wall of the cultivation pipeline after long-term use, the pollutants not only can reduce the circulation efficiency of the pipeline and influence the uniformity of nutrient solution supply, but also can grow harmful microorganisms to destroy the growth environment of the haematococcus pluvialis, so that the yield and quality of algae bodies are reduced, and therefore, how to effectively prevent the accumulation of dirt on the inner wall of the pipeline becomes a key problem for guaranteeing the stable operation of a cultivation system. The existing cleaning device focuses on the cyclic treatment after the pollutant is stripped, but technical blank still exists in the aspects of identification, quantitative evaluation and active intervention at the initial stage of dirt formation, and the transition from 'passive cleaning' to 'active scale prevention' is difficult to realize; In addition, the cleaning liquid is generally directly circulated in the pipeline by the haematococcus pluvialis culture pipeline cleaning device, and impurities such as algae residues, scale and the like stripped in the cleaning process can be circulated along with the cleaning liquid, so that the purity of the cleaning liquid is reduced, the cleaning effect is gradually attenuated, the pipeline is blocked or attached to the inside of the device due to the impurities, the device is inconvenient to continuously recycle, and finally the polluted cleaning liquid can be directly discharged only after the cleaning process is repeated, so that the resource waste and the environmental protection pressure are further increased; therefore, improvements to the above-described problems are needed. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides a pipeline cleaning device for haematococcus pluvialis cultivation. In order to achieve the aim, the pipeline cleaning device for haematococcus pluvialis cultivation comprises a bottom frame, wherein a plurality of circulating cleaning tanks are equidistantly arranged on the top surface of the bottom frame, a liquid outlet pipe is arranged on the bottom surface of each circulating cleaning tank, one end of each liquid outlet pipe is connected with a first electromagnetic valve pipe through a flange, one ends of the plurality of first electromagnetic valve pipes are commonly connected with a first connecting pipe through a flange, one end of each first connecting pipe is connected with the input end of a conveying pump through a flange, the output end of the conveying pump is provided with a first flange pipe for communicating cultivation pipelines, one side of the top surface of the bottom frame is provided with an electric cabinet, a stand column is arranged on one side of the bottom frame, and the top end of each stand column is fixedly connected with a reflux pump; An intelligent control component is arranged in the control box of the cleaning device, and comprises an analysis module; The analysis module is used for constructing a real-time monitoring and early warning model of the dirt accumulation state of the inner wall of the pipeline, calculating a dirt thickness index based on the covering area occupation ratio of the pollutant of the inner wall of the pipeline and the normalized turbidity change, and representing the accumulation degree of the dirt on the inner wall of the pipeline; calculating a circulation resistance index based on the deviation of the actual flow and the rated flow and the deviation of the actual pressure and the rated pressure, and the circulation resistance index is used for representing the influence degree of dirt accumulation on the circulation performance of the pipeline, setting early warning thresholds through the thickness and volume information of the dirt in the historical data, carrying out low, medium and high-level early warning on the dirt accumulation state, calculating corresponding scale prevention intervention coefficients according to the dirt accumulation grade and the circulation resistance grade, and further dynamically adjusting the operation parameters of the conveying pump and the reflux pump by combining the weight coefficients, so as to realize active intervention and inhibition in the initial stage of dirt accumulation. Preferably, the step of the analysis module f