CN109019709A - A kind of thermal power plant's sewage disposal device intelligent fault diagnosis method - Google Patents
A kind of thermal power plant's sewage disposal device intelligent fault diagnosis method Download PDFInfo
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- CN109019709A CN109019709A CN201810800889.XA CN201810800889A CN109019709A CN 109019709 A CN109019709 A CN 109019709A CN 201810800889 A CN201810800889 A CN 201810800889A CN 109019709 A CN109019709 A CN 109019709A
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- sewage
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- clarifier
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- power plant
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention is suitable for technical field of sewage, provide a kind of thermal power plant's sewage disposal device intelligent fault diagnosis method, include the following steps: step 1: sewage is entered in the second clarifier-tank by the conveying of transfer tube from the first clarifier-tank, step 2: corresponding reactant also is added to this clarifier-tank while sewage enters the second clarifier-tank and is reacted therewith；Detector is installed in the port of each pipeline, to timely be detected to the purified sewage of previous step, and then it can accurately measure the result after previous step purifies in sewage and other numerical value, to processor according to the case where result and other numerical value in memory numerical value and condition mutually compare and correlate, carry out the problem of initial guess goes out previous step clarifier-tank, to carry out the diagnosis of intelligence to thermal power plant's sewage disposal device failure, it is last transmitted to staff according to the actual situation, solve the problems, such as correlation, avoid the large area investigation of staff, improve the working efficiency of maintenance.
Description
Technical field
The invention belongs to technical field of sewage more particularly to a kind of thermal power plant's sewage disposal device intelligent fault diagnosis
Method.
Background technique
Thermal power generation, the thermal energy generated using combustible in burning, is converted into the one of electric energy by generation power device
Kind generation mode；The rich coal resources of China, 10.9 hundred million tons of nineteen ninety producing coal, wherein coal for power generation only accounts for 12%；Firepower hair
Electricity still has great potential；The sour gas such as SO2, NOx of the direct burning and exhausting of coal constantly increase, and make Chinese many regional acid rains
Amount increases, and the whole nation generates 1,400,000 tons of SO2 every year；With the rapid development of China's energy industry and the construction of large coal-fired power plant,
Firing rate is continuously increased, and the discharge amount of SO2 is more and more, the controlling soil moist of SO2 include desulfurization before burning, in burning desulfurization and
Desulfurization after burning, i.e. flue gas desulfurization FGD, currently, flue gas desulfurization is considered as the control most effective means of SO2 discharge amount.
Limestone-gypsum method is sulfur removal technology most mature using most, technology in the world, the desulfurization that this wet process of FGD generates
Sewage, pH 4-6, simultaneously containing a large amount of suspended matter (hydroxide of gypsum particle, SiO2, Al and Fe), fluoride and
Micro heavy metal, such as As, Cd, Cr, Hg, direct emission will cause to seriously endanger to environment, it is therefore necessary to be controlled it
Reason.
The sewage treatment of thermal power plant needs many processing equipments currently on the market, but sometimes one of equipment goes out
Failure is showed, staff accurately can not be judged and be determined to the equipment to go wrong, need to carry out the row of large area
It looks into, causes whole working efficiency low.
Summary of the invention
The present invention provides a kind of thermal power plant's sewage disposal device intelligent fault diagnosis method, it is intended to the sewage treatment of thermal power plant
Many processing equipments are needed, but sometimes failure occurs in one of equipment, staff can not be to going wrong
Equipment is accurately judged and is determined, needs to carry out the investigation of large area, causes whole working efficiency low.
The invention is realized in this way a kind of thermal power plant's sewage disposal device intelligent fault diagnosis method, including walk as follows
Rapid: step 1: sewage is entered in the second clarifier-tank by the conveying of transfer tube from the first clarifier-tank；Step 2: entering in sewage
Corresponding reactant also is added to this clarifier-tank while second clarifier-tank to be reacted therewith；Step 3: purified sewage
Discharge first passes around the detection of detector, and will test result and be sent to processor；Step 4: processor according to testing result, is sentenced
When disconnected testing result qualification, processor control driving pump startup simultaneously opens solenoid valve, and purified water is imported into next step
In clarifier-tank, if the result of processor judgement detection is unqualified, processor continues to close transfer tube and solenoid valve first, then adjusts
Related data in access to memory is compared, thus judge occur what problem in the cleaning equipment of previous step, with
After react to staff；Step 5: the problem of staff reacts processor is verified and is solved, and then restarts,
Sewage is set to re-start the purification process of back.
Preferably, in step 1, transfer tube and solenoid valve are respectively positioned on pipeline, and pipeline is at s type and each clarifier-tank of connecting.
Preferably, in step 2, the corresponding reactant of neutralization pond is milk of lime, the corresponding reactant of reaction tank be organic sulfur,
The corresponding reactant of flocculation basin is flocculant, the corresponding reactant of clear water reserviors is hydrochloric acid.
Preferably, in step 3, the one of numerical value of the result of detection is pH value, and each purified pH value of clarifier-tank is
Successively successively decrease, final ph is stablized 6.0 or so.
Preferably, in step 4, the initial data of machine run is written memory early period by staff, and corresponding each
The problem of a results abnormity correlation is reached required condition and formed, processor is compared one by one according to reaching condition, is such as met
Condition then can determine problem, if not meeting each condition and result is normal, then it represents that detection is qualified.
Preferably, in step 5, staff is used as the problem of processor feedback to be considered first, and according to the feelings at scene
Condition makes oneself suitable judgement, and solves the problems, such as.
Compared with prior art, the beneficial effects of the present invention are: a kind of thermal power plant's sewage disposal device failure of the invention
Intelligent diagnosing method, by being equipped with detector in the port of each pipeline, thus to the purified sewage of previous step carry out and
When detection, and then the result after previous step purification in sewage and other numerical value can be accurately measured, thus processor
According to the case where result and other numerical value in memory numerical value and condition mutually compare and correlate, carry out initial guess go out on
The problem of one step clarifier-tank, is last transmitted to work people to carry out the diagnosis of intelligence to thermal power plant's sewage disposal device failure
Member according to the actual situation, solves the problems, such as correlation, avoids the large area investigation of staff, improves the work effect of maintenance
Rate.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is overall flow schematic diagram of the invention；
Fig. 3 is processing module schematic diagram in the present invention；
Fig. 4 is detection module schematic diagram of the invention；
Fig. 5 is drive module schematic diagram of the invention；
Fig. 6 is filtering module schematic diagram of the invention；
Fig. 7 is step schematic diagram of the invention；
In figure: 100- processing module, 101- processor, 102- memory, 200- detection module, 201- detector, 202-
Solenoid valve, 300- drive module, 301- pipeline, 302- transfer tube, 400- filtering module, 401- feed intake unit, 4011- lime
Cream, 4012- organic sulfur, 4013- flocculant, 4014- hydrochloric acid, 402- pond body unit, 4021- cross pan, 4022- neutralization pond,
4023- reaction tank, 4024- flocculation basin, 4025- clear water reserviors.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1-7 is please referred to, the present invention provides a kind of technical solution: a kind of thermal power plant's sewage disposal device intelligent fault diagnosis
Method includes the following steps: step 1: sewage enters the second clarifier-tank from the first clarifier-tank by the conveying of transfer tube 302
In；Step 2: corresponding reactant also is added to this clarifier-tank while sewage enters the second clarifier-tank and carries out therewith instead
It answers；Step 3: purified sewage discharge first passes around the detection of detector 201, and will test result and be sent to processor 101；
Step 4: according to testing result, when judging testing result qualification, processor 101 controls transfer tube 302 and starts and beat processor 101
Purified water is imported into the clarifier-tank of next step by open electromagnetic valve 202, if the result of the judgement detection of processor 101 does not conform to
Lattice, processor 101 continue to close transfer tube 302 and solenoid valve 202 first, then transfer related data in memory 102 into
Row compares analysis, to judge occur what problem in the cleaning equipment of previous step, following reaction is to staff；Step 5:
The problem of staff reacts processor 101 is verified and is solved, and then restarts, sewage is made to re-start back
Purification process.
In the present embodiment, specifically used method includes the following steps: the first step, and sewage passed through the entrance of pan 4021
Into neutralization pond 4022, and milk of lime 4011 is added simultaneously and is reacted therewith, then purified sewage discharge first passes around
The detection of first detector 201, and will test result and be sent to processor 101, processor 101 according to testing result, judges to examine
When survey result is qualified, processor 101 controls the starting of the first transfer tube 302 and simultaneously opens the first solenoid valve 202, by purified water
It imported into reaction tank 4023, if the result of the judgement detection of processor 101 is unqualified, processor 101 continues closing first first
Transfer tube 302 and the first solenoid valve 202, the related data then transferred in memory 102 are compared, thus in judgement
With occur what problem in pond 4022 in cleaning equipment, following reaction carries out the verification of problem to staff, staff
And solution, it then restarts, sewage re-starts the purification process i.e. reaction of neutralization pond 4022 of back；Second step, when
Sewage is entered in reaction tank 4023 by the first transfer tube 302 and the first solenoid valve 202, and be added simultaneously organic sulfur 4012 with
Reacted, then purified sewage discharge first passes around the detection of the second detector 201, and will test result and be sent to
Processor 101, according to testing result, when judging testing result for qualification, processor 101 controls the second transfer tube to processor 101
302 start and open second solenoid valve 202, and purified water is imported into flocculation basin 4024, if the judgement detection of processor 101
Result it is unqualified, processor 101 continues to close the second transfer tube 302 and second solenoid valve 202 first, then transfers memory
Related data in 102 is compared, to judge occur what problem in reaction tank 4023 in cleaning equipment, then
It reacts to staff, staff carries out the verification and solution of problem, then restarts, and sewage re-starts back
The reaction of purification process, that is, reaction tank 4023；Third step, when sewage is entered by the second transfer tube 302 and second solenoid valve 202
Into flocculation basin 4024, and flocculant 4013 is added simultaneously and is reacted therewith, then purified sewage discharge first passes around
The detection of third detector 201, and will test result and be sent to processor 101, processor 101 according to testing result, judges to examine
When survey result is qualified, processor 101 controls the starting of third transfer tube 302 and simultaneously opens third solenoid valve 202, by purified water
It imported into clear water reserviors 4025, if the result of the judgement detection of processor 101 is unqualified, processor 101 continues to close third first
Transfer tube 302 and third solenoid valve 202, the related data then transferred in memory 102 are compared, to judge to wad a quilt with cotton
Occurs any problem in solidifying pond 4024 in cleaning equipment, following reaction carries out the verification of problem to staff, staff
And solution, it then restarts, sewage re-starts the purification process i.e. reaction of flocculation basin 4024 of back；4th step, when
Sewage is entered in clear water reserviors 4025 by third transfer tube 302 and third solenoid valve 202, and hydrochloric acid 4014 is added simultaneously therewith
It is reacted, then purified sewage discharge first passes around the detection of the 4th detector 201, and will test result and be sent to place
Manage device 101, processor 101 according to testing result, when judging that testing result is qualified, 101 control valve of processor, after purification
Water imported into external environment, if processor 101 judgement detection result it is unqualified, processor 101 continue first close valve
Door, the related data then transferred in memory 102 are compared, to judge to go out in cleaning equipment in clear water reserviors 4025
Any problem showed, for following reaction to staff, staff carries out the verification and solution of problem, then restarts, dirty
Water re-starts the purification process i.e. reaction of clear water reserviors 4025 of back.
Further, in step 1, transfer tube 302 and solenoid valve 202 are respectively positioned on pipeline 301, and pipeline 301 is at s type and goes here and there
Join each clarifier-tank.
In the present embodiment, transfer tube 302 provides power for the transfer of sewage, and solenoid valve 202 can be to pipeline 301
It carries out closing and prevents from purifying incomplete sewage to be flowed into the clarifier-tank of next step, the pipeline 301 of s type facilitates sewage and medicament
Be sufficiently mixed, improve whole clean-up effect.
Further, in step 2, the corresponding reactant of neutralization pond 4022 is milk of lime 4011, reaction tank 4023 is corresponding
Reactant is organic sulfur 4012, the corresponding reactant of flocculation basin 4024 is flocculant 4013, the corresponding reactant of clear water reserviors 4025
For hydrochloric acid 4014；In step 3, the one of numerical value of the result of detection is pH value, and each purified pH value of clarifier-tank is successively
Successively decrease, final ph is stablized 6.0 or so.
In the present embodiment, to 4022 feeding lime cream 4011 of neutralization pond, sewage is adjusted to alkalinity by acidity, is kept
PH9.0 or so, most of metal ion in sewage will be with hydroxide form Precipitation；Meanwhile superfluous lime cream 4011
Add F ion will be promoted to be precipitated in the form of CaF；Organic sulfur 4012 is added to reaction tank 4023, makes the heavy metals such as itself and mercury, cadmium
Phase-polymerization generates insoluble matter of the solubility product less than 10-20 and is precipitated；The 4013 chloro sulphuric acid iron of flocculant added in flocculation basin 4024
Fe (OH) precipitating is dissociated and generated under alkaline condition, and the elimination of colloid stability in sewage, the glue in sewage are made under electrochemical action
Body and fine suspended matter initially form floc sedimentation, while adding flocculation aid polyacrylamide, belong to long-chain macromolecule organic matter, have
Excellent bridging characterization of adsorption, adding for it can promote wadding body to grow up and closely knit, it is easier to precipitating removal, while can capture portion
The suspended matter for dividing flocculation not yet, finally adds a small amount of hydrochloric acid 4014 to clear water reserviors 4025 and is neutralized to guarantee that last sewage exists
In the range of pH6.0.
Further, in step 4, the initial data of machine run and right is written by staff in 102 early period of memory
The problem of answering each results abnormity correlation to reach required condition and formed, processor 101 is compared one by one according to reaching condition,
As eligible, problem can determine, if not meeting each condition and result is normal, then it represents that detection is qualified.
In the present embodiment, processor 101 will test needed for each relevant numerical value and the abnormal conditions of the detection of device 201
Condition carry out comparison one by one, so that it is determined that the clarifier-tank problem, then feeds back to staff for the case where problem.
Further, in step 5, staff is used as the problem of feedback of processor 101 to be considered first, and according to scene
The case where make oneself it is suitable judge, and solve the problems, such as.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of thermal power plant's sewage disposal device intelligent fault diagnosis method, characterized by the following steps:
Step 1: sewage is entered in the second clarifier-tank by the conveying of transfer tube from the first clarifier-tank；
Step 2: corresponding reactant also is added to this clarifier-tank while sewage enters the second clarifier-tank and carries out therewith instead
It answers；
Step 3: purified sewage discharge first passes around the detection of detector, and will test result and be sent to processor；
Step 4: according to testing result, when judging testing result qualification, processor control driving pump startup simultaneously opens electricity to processor
Purified water is imported into the clarifier-tank of next step by magnet valve, if the result of processor judgement detection is unqualified, processor is first
First continue to close transfer tube and solenoid valve, the related data then transferred in memory are compared, thus judgement upper one
Occurs any problem in the cleaning equipment of step, following reaction is to staff；
Step 5: staff to processor react the problem of verify and solve, then restart, make sewage again into
The purification process of row back.
2. a kind of thermal power plant's sewage disposal device intelligent fault diagnosis method as described in claim 1, it is characterised in that: step
In 1, transfer tube and solenoid valve are respectively positioned on pipeline, and pipeline is at s type and each clarifier-tank of connecting.
3. a kind of thermal power plant's sewage disposal device intelligent fault diagnosis method as described in claim 1, it is characterised in that: step
In 2, the corresponding reactant of neutralization pond is milk of lime, the corresponding reactant of reaction tank is organic sulfur, the corresponding reactant of flocculation basin
It is hydrochloric acid for flocculant, the corresponding reactant of clear water reserviors.
4. a kind of thermal power plant's sewage disposal device intelligent fault diagnosis method as described in claim 1, it is characterised in that: step
In 3, the one of numerical value of the result of detection is pH value, and each purified pH value of clarifier-tank is successively to successively decrease, and final ph is steady
It is scheduled on 6.0 or so.
5. a kind of thermal power plant's sewage disposal device intelligent fault diagnosis method as described in claim 1, it is characterised in that: step
In 4, the initial data of machine run is written memory early period by staff, and corresponding each results abnormity correlation reaches institute
The problem of needing condition and being formed, processor is compared one by one according to reaching condition, as eligible, can determine problem, if not
Meet each condition and result is normal, then it represents that detection is qualified.
6. a kind of thermal power plant's sewage disposal device intelligent fault diagnosis method as described in claim 1, it is characterised in that: step
In 5, staff is used as the problem of processor feedback to be considered first, and is made oneself according to the situation at scene and suitably sentenced
It is disconnected, and solve the problems, such as.
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| CN201810800889.XA CN109019709A (en) | 2018-07-20 | 2018-07-20 | A kind of thermal power plant's sewage disposal device intelligent fault diagnosis method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477556A (en) * | 2022-03-01 | 2022-05-13 | 江苏鲲鹏环保工程技术有限公司 | Zero-discharge process for flue gas desulfurization wastewater of thermal power plant |
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| CN204824467U (en) * | 2015-08-21 | 2015-12-02 | 广州和信自动化科技有限公司 | Sewage treatment control system |
| CN105174559A (en) * | 2015-10-30 | 2015-12-23 | 苏州腾辉环保科技有限公司 | Meat processing wastewater treatment system |
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2018
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|---|---|---|---|---|
| CN204824467U (en) * | 2015-08-21 | 2015-12-02 | 广州和信自动化科技有限公司 | Sewage treatment control system |
| CN105174559A (en) * | 2015-10-30 | 2015-12-23 | 苏州腾辉环保科技有限公司 | Meat processing wastewater treatment system |
| CN205382057U (en) * | 2015-12-31 | 2016-07-13 | 天津吉水佳生物科技有限公司 | Sewage treatment plant intelligent monitoring device |
| CN205449970U (en) * | 2015-12-31 | 2016-08-10 | 天津沃圣科技开发有限公司 | Water pollution synthesizes intelligent early warning device based on thing networking |
Non-Patent Citations (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114477556A (en) * | 2022-03-01 | 2022-05-13 | 江苏鲲鹏环保工程技术有限公司 | Zero-discharge process for flue gas desulfurization wastewater of thermal power plant |
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