CN110156227A - A kind of sewage disposal system and method - Google Patents
A kind of sewage disposal system and method Download PDFInfo
- Publication number
- CN110156227A CN110156227A CN201910469952.0A CN201910469952A CN110156227A CN 110156227 A CN110156227 A CN 110156227A CN 201910469952 A CN201910469952 A CN 201910469952A CN 110156227 A CN110156227 A CN 110156227A
- Authority
- CN
- China
- Prior art keywords
- plc controller
- dissolving tank
- auger
- flow
- medicine dissolving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000003814 drug Substances 0.000 claims abstract description 107
- 229940079593 drug Drugs 0.000 claims abstract description 40
- 239000002351 wastewater Substances 0.000 claims abstract description 23
- 238000010992 reflux Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 12
- 239000000460 chlorine Substances 0.000 claims description 12
- 229910052801 chlorine Inorganic materials 0.000 claims description 12
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 12
- 239000012425 OXONE® Substances 0.000 claims description 10
- HJKYXKSLRZKNSI-UHFFFAOYSA-I pentapotassium;hydrogen sulfate;oxido sulfate;sulfuric acid Chemical compound [K+].[K+].[K+].[K+].[K+].OS([O-])(=O)=O.[O-]S([O-])(=O)=O.OS(=O)(=O)O[O-].OS(=O)(=O)O[O-] HJKYXKSLRZKNSI-UHFFFAOYSA-I 0.000 claims description 10
- MSFGZHUJTJBYFA-UHFFFAOYSA-M sodium dichloroisocyanurate Chemical compound [Na+].ClN1C(=O)[N-]C(=O)N(Cl)C1=O MSFGZHUJTJBYFA-UHFFFAOYSA-M 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000645 desinfectant Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 claims description 2
- 229910000343 potassium bisulfate Inorganic materials 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229950009390 symclosene Drugs 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/326—Lamp control systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Abstract
The invention belongs to technical field of sewage, more particularly to a kind of sewage disposal system and method, including first into drug bucket and medicine dissolving tank, first into drug bucket outlet wastewater inlet, first is additionally provided with the first auger into drug bucket exit position, first auger connects the first PLC controller, wastewater inlet connection second is exported into drug bucket, at wastewater inlet be equipped with y-type filter wastewater inlet and second between drug bucket be equipped with reflux unit, reflux unit includes the second auger, tubular type ultraviolet device, electromagnetic flowmeter, first solenoid valve, second auger, tubular type ultraviolet device, electromagnetic flowmeter, first solenoid valve is set gradually along wastewater inlet to second into drug bucket export direction, Disinfection Effect of the present invention is good, short processing time.
Description
Technical field
The invention belongs to technical field of sewage, and in particular to a kind of sewage disposal system and method.
Background technique
Sodium hypochlorite is the current most common disinfectant in wastewater disinfection field, although sodium hypochlorite has, price is low, sterilizes
Effect is good, but since its solution rate is too fast, the low feature of available chlorine content, making it, dosage is excessive in use,
It is excessively high to be discharged chlorine residue, while needing biggish storage space, security risk is brought to human health and environment.Potassium Monopersulfate
By for " water prince ", Disinfection Effect is good, no chemical residues, but there is a problem of that bioactive molecule is insufficient in use.Two
Symclosene sodium is a kind of novel wastewater disinfection agent, has the characteristics that effective chlorine composition height, long action time, but still deposits
In the problem that water outlet chlorine residue is excessively high, therefore the prior art needs further improve.
Summary of the invention
It is good that the purpose of the present invention is to provide a kind of Disinfection Effects, the sewage disposal system of short processing time.
Based on above-mentioned purpose, the present invention is adopted the following technical scheme that:
A kind of sewage disposal system, including first into drug bucket and medicine dissolving tank, first into drug bucket outlet wastewater inlet, first into
Drug bucket exit position is additionally provided with the first auger, and the first auger connects the first PLC controller, and wastewater inlet is connected to second into drug bucket
It exports, y-type filter wastewater inlet and second is equipped at wastewater inlet into, equipped with reflux unit, reflux unit includes between drug bucket
Second auger, tubular type ultraviolet device, electromagnetic flowmeter, the first solenoid valve, second auger, tubular type ultraviolet device, Electromagnetic Flow
Meter, the first solenoid valve are set gradually along wastewater inlet to second into drug bucket export direction, and tubular type ultraviolet device connects the 2nd PLC control
Device processed, electromagnetic flowmeter connect third PLC controller, and the first solenoid valve connects the 4th PLC controller, and the first solenoid valve is connected to back
Head piece, refluxing opening are located at below the second auger, and flow pump is equipped between the first solenoid valve and refluxing opening, and second goes back into drug bucket outlet
It is connected to medicine dissolving tank water inlet, second is additionally provided with third auger into drug bucket exit position, and third auger connects the 5th PLC control
Device, the 4th auger is equipped at medicine dissolving tank water inlet 141, and medicine dissolving tank water outlet is equipped with chlorine residue detector and second solenoid valve, chlorine residue
Detector connects the 6th PLC controller, and second solenoid valve connects the 7th PLC controller, first PLC controller, the 2nd PLC control
Device processed, third PLC controller, the 4th PLC controller, the 5th PLC controller, the 6th PLC controller and the 7th PLC controller are equal
Connect the 8th PLC controller.
Further, be equipped in the medicine dissolving tank and block medicine net, blocking medicine net includes L-type plate, L-type plate made by metal mesh and
At the L shape edge of L-type plate is fixedly connected with the side wall of medicine dissolving tank, forms the netted cavity body structure of upper opening.
Further, flow-guiding screen is additionally provided in the medicine dissolving tank, flow-guiding screen includes bottom plate, and bottom plate is metal mesh, bottom plate
The upper several flow guide bars of fixation, the trapezoidal section of water conservancy diversion sliver transvers section, the long side of the trapezoid cross section are fixedly connected with bottom plate.
Further, the bottom plate plate face of the flow-guiding screen is parallel with the bottom surface of medicine dissolving tank, and flow-guiding screen is two and along medicine dissolving tank
Short transverse uniformly fix at equal intervals, two-by-two in adjacent flow-guiding screen top deflector side short side and two long sides respectively with
Medicine dissolving tank side wall is fixedly connected, and has interval between other side short side and medicine dissolving tank side wall, forms the first flow-guiding mouth, adjacent two-by-two
Flow-guiding screen in lower section deflector side short side and two long sides be fixedly connected respectively with medicine dissolving tank side wall, other side short side with it is molten
There is interval between the side wall of medicine pond, form the second flow-guiding mouth, it is opposite that the first flow-guiding mouth and the second flow-guiding mouth are located at medicine dissolving tank
Two sides, form the structure that flows along S type direction of water flow.
Further, ultrasonic level gage is additionally provided with above the medicine dissolving tank, ultrasonic level gage connects the 9th PLC control
Device processed, the 9th controller connect the 8th controller.
Use the method for the sewage disposal system, comprising the following steps:
(1) the first PLC controller is opened, the first PLC controller controls the rotation of the first auger, to first into putting into single mistake in drug bucket
Potassium acid sulfate, sewage enter from wastewater inlet, start the second auger, and Potassium Monopersulfate mixes to obtain mixed liquor with sewage, and second
PLC controller controls tubular type ultraviolet device to mixing liquid disinfectant, obtains preliminarily pasteurized sewage；
(2) the first solenoid valve is opened, preliminarily pasteurized sewage a part is mixed from refluxing opening with mixed liquor, opens the 5th PLC control
Device, the 5th PLC controller control the rotation of third auger, and to second into sodium dichloro cyanurate is put into drug bucket, starting the 4th is twisted
Dragon, preliminarily pasteurized sewage another part flow into medicine dissolving tank after mixing at the 4th auger with sodium dichloro cyanurate, then from molten medicine
Pond outlet outflow, chlorine residue detector detection medicine dissolving tank exit residual chlorine amount simultaneously send information to the 6th PLC controller, work as residual chlorine amount
When less than upper limit threshold, the 6th PLC controller sends a signal to the 8th PLC controller, and the 8th PLC controller sends a signal to
Two PLC controllers, the second PLC controller control tubular type ultraviolet device and increase power, when residual chlorine amount is greater than lower threshold, second
PLC controller controls tubular type ultraviolet device and reduces power；
(3) third PLC controller 11 transmitted traffic signal to the 8th PLC controller, when flow is greater than threshold value, the 8th PLC control
Device processed sends a signal to the 7th PLC controller, and the 7th PLC controller controls second solenoid valve and reduces aperture, when flow is less than threshold
When value, the 8th PLC controller sends a signal to the 7th PLC controller, and the control second solenoid valve increase of the 7th PLC controller is opened
Degree.
The present invention, which combines Potassium Monopersulfate and sodium dichloro cyanurate, is used for sewage-treatment plant, using ultraviolet mode
The release for strengthening Potassium Monopersulfate effective component carries out Combined Treatment to sewage, reduces the use of sodium dichloro cyanurate
Amount saves cost, reduces water outlet chlorine residue residual, both can guarantee the time of disinfection and the effect of disinfection, while avoiding excessive remaining
Chlorine causes damages to the person.Medicament is added using auger form, is reduced corrosion of the medicament to equipment, is extended making for administration device
Use the service life.The present invention puts into Potassium Monopersulfate into drug bucket first, and Potassium Monopersulfate is mixed with sewage, and it is purple to enter tubular type afterwards
Outer device, tubular type ultraviolet device accelerate Potassium Monopersulfate hydrolysis, make monopersulfate K released high-energy active material, strengthen
Its release efficiency improves wastewater treatment efficiency, and the present invention is additionally provided with reflux unit, can be with intensive treatment effect, monopersulfate
The use of potassium reduces the dosage of sodium dichloro cyanurate, reduces the sewage treatment time, reduces the chlorinity in processing water outlet, protects
Protect human health.
Detailed description of the invention
Fig. 1 is system flow chart of the invention；
Fig. 2 is the structural schematic diagram of medicine dissolving tank；
Fig. 3 is the location diagram for blocking medicine net and medicine dissolving tank；
Fig. 4 is the structural schematic diagram of flow-guiding screen.
Specific embodiment
A kind of sewage disposal system shown in Fig. 1-4, including first into drug bucket 1 and medicine dissolving tank 14, first exports into drug bucket 1
Wastewater inlet 3 is connected to by first pipe 2, first into being additionally provided with the first auger 4 in the first pipe 2 of 1 exit position of drug bucket,
First auger 4 connect the first PLC controller 5, wastewater inlet 3 by second pipe 6 connection second into drug bucket 7 export, sewage into
Y-type filter 8 is equipped at mouth 3, for wastewater inlet 3 and second into reflux unit 9 is equipped between drug bucket 7, reflux unit 9 includes second
Auger 91, tubular type ultraviolet device 92, electromagnetic flowmeter 93, the first solenoid valve 94, second auger 91, tubular type ultraviolet device 92,
Electromagnetic flowmeter 93, the first solenoid valve 94 are successively set along wastewater inlet 3 to the second into 7 export direction of drug bucket in second pipe 6
It sets, tubular type ultraviolet device 92 connects the second PLC controller 10, and electromagnetic flowmeter 93 connects third PLC controller 11, the first electromagnetism
Valve 94 connects the 4th PLC controller 12, and the first solenoid valve 94 is connected to refluxing opening 96 by third pipeline 95, sets on third pipeline 95
There is flow pump 97, refluxing opening 96 is located at 91 lower section of the second auger, and second is also connected to molten medicine by the 4th pipeline 13 into the outlet of drug bucket 7
Pond water inlet 141, second into third auger 15 is additionally provided in the second pipe 6 of 7 exit position of drug bucket, and third auger 15 connects
The interior place of the 4th pipeline 13 of 5th PLC controller 16, medicine dissolving tank water inlet 141 is equipped with the 4th auger 17, medicine dissolving tank water outlet 142
It is connected to the 5th pipeline 18, the 5th pipeline 18 is equipped with chlorine residue detector 19 and second solenoid valve 20, the connection of chlorine residue detector 19 the
Six PLC controllers 21, second solenoid valve 20 connect the 7th PLC controller 22, first PLC controller 5, the second PLC controller
10, third PLC controller 11, the 4th PLC controller 12, the 5th PLC controller 16, the 6th PLC controller 21 and the 7th PLC control
Device 22 processed is all connected with the 8th PLC controller 23.It is equipped in the medicine dissolving tank 14 and blocks medicine net 24, blocking medicine net 24 includes L-type plate
241, L-type plate 241 is made by metal mesh, the L shape two sides edge and L-type plate lower side edge of L-type plate 241 and medicine dissolving tank 14
Side wall is fixedly connected, and is had interval between L-type plate upper side edge and the roof of medicine dissolving tank 14, is formed the netted cavity knot of upper opening
Structure.Flow-guiding screen 25 is additionally provided in the medicine dissolving tank 14, flow-guiding screen 25 includes bottom plate 251, and bottom plate 251 is metal mesh, bottom plate 251
On fix 20 flow guide bars, 252,20 flow guide bars 252 length direction it is parallel in the same plane, 252 both ends of flow guide bar
It is fixedly connected with medicine dissolving tank side wall, length direction uniform spaced set of 20 flow guide bars 252 along bottom plate 251, flow guide bar
The long side in the trapezoidal section in 252 cross sections, the trapezoid cross section is fixedly connected with bottom plate 251, the bottom plate 251 of the flow-guiding screen 25
Plate face is parallel with the bottom surface of medicine dissolving tank 14, and flow-guiding screen 25 is two and uniformly fixes at equal intervals along the short transverse of medicine dissolving tank 14,
The side short side 251 of top deflector and two long sides 252 are fixed with 14 side wall of medicine dissolving tank respectively in adjacent flow-guiding screen 25 two-by-two
It connects, there is interval between 14 side wall of other side short side 251 and medicine dissolving tank, form the first flow-guiding mouth 253, two-by-two adjacent water conservancy diversion
The side short side 251 of lower section deflector and two long sides 252 are fixedly connected with 14 side wall of medicine dissolving tank respectively in net 25, other side short side
There is interval between 251 and 14 side wall of medicine dissolving tank, form the second flow-guiding mouth 254, the first flow-guiding mouth 253 and the second flow-guiding mouth 254
The opposite two sides of medicine dissolving tank 14 are located at, the structure that water flow is flowed along S type direction is formed.14 top of medicine dissolving tank is also set
There is ultrasonic level gage 26, ultrasonic level gage 26 connects the 9th PLC controller 27, and the 9th PLC controller 27 connects the 8th PLC
Controller 23.
First auger 4, the second auger 91, third auger 15, the 4th auger 17, first the 94, second electricity of solenoid valve
Magnet valve 20 is all connected with motor.
Use the method for the sewage disposal system, comprising the following steps:
(1) the first PLC controller 5 is opened, the first PLC controller 5 controls the rotation of the first auger 4, to first into putting into drug bucket 1
Potassium Monopersulfate, sewage enter from wastewater inlet 3, start the second auger 91, and Potassium Monopersulfate mixes to obtain mixing with sewage
Liquid, the second PLC controller 10 control 92 pairs of mixing liquid disinfectants of tubular type ultraviolet device, obtain preliminarily pasteurized sewage；
(2) the first solenoid valve 94 is opened, preliminarily pasteurized sewage a part is mixed from refluxing opening 96 with mixed liquor, opens the 5th PLC
Controller 16, the 5th PLC controller 16 control third auger 15 and rotate, to second into putting into sodium dichloro cyanurate in drug bucket 7,
Start the 4th auger 17, preliminarily pasteurized sewage another part flows into molten after mixing at the 4th auger 17 with sodium dichloro cyanurate
Medicine pond 14, then export and flow out from medicine dissolving tank 14, chlorine residue detector 19 detects 14 exit residual chlorine amount of medicine dissolving tank and sends information to
6th PLC controller 21, when residual chlorine amount is less than upper limit threshold, the 6th PLC controller 21 sends a signal to the 8th PLC controller
23, the 8th PLC controller 23 sends a signal to the second PLC controller 10, and the second PLC controller 10 controls tubular type ultraviolet device 92
Power is increased, when residual chlorine amount is greater than lower threshold, the second PLC controller 10 controls tubular type ultraviolet device 92 and reduces power；
(3) third PLC controller 11 transmitted traffic signal to the 8th PLC controller 23, when flow is greater than threshold value, the 8th PLC
Controller 23 sends a signal to the 7th PLC controller 22, and the 7th PLC controller 22 controls second solenoid valve 20 and reduces aperture, when
When flow is less than threshold value, the 8th PLC controller 23 sends a signal to the 7th PLC controller 22, the 7th PLC controller 22 control the
Two solenoid valves 20 increase aperture.
When ultrasonic level gage measure the liquid level in medicine dissolving tank 14 it is higher when, ultrasonic level gage 26 sends a signal to the 9th
PLC controller 27, the 9th PLC controller 27 are sent to the 8th PLC controller 23,23 signal of the 8th PLC controller to the 4th
PLC controller 12, the 4th PLC controller 12 reduce 94 aperture of the first solenoid valve, and electromagnetic flowmeter 93 connects third PLC controller
11, electromagnetic flowmeter 93 transmitted traffic information to the 8th PLC controller 23.
When ultrasonic level gage measure the liquid level in medicine dissolving tank 14 it is lower when, ultrasonic level gage 26 sends a signal to the 9th
PLC controller 27, the 9th PLC controller 27 are sent to the 8th PLC controller 23,23 signal of the 8th PLC controller to the 4th
PLC controller 12, the 4th PLC controller 12 increase 94 aperture of the first solenoid valve, and electromagnetic flowmeter 93 connects third PLC controller
11, electromagnetic flowmeter 93 transmitted traffic information to the 8th PLC controller 23.
Claims (6)
1. a kind of sewage disposal system, which is characterized in that dirty into drug bucket outlet into drug bucket and medicine dissolving tank, first including first
Water inlet, first is additionally provided with the first auger into drug bucket exit position, and the first auger connects the first PLC controller, wastewater inlet
It is connected to second to export into drug bucket, y-type filter wastewater inlet and second is equipped at wastewater inlet and is filled between drug bucket equipped with reflux
It sets, reflux unit includes the second auger, tubular type ultraviolet device, electromagnetic flowmeter, the first solenoid valve, and second auger, tubular type are purple
Outer device, electromagnetic flowmeter, the first solenoid valve are set gradually along wastewater inlet to second into drug bucket export direction, the ultraviolet dress of tubular type
The second PLC controller of connection is set, electromagnetic flowmeter connects third PLC controller, and the first solenoid valve connects the 4th PLC controller,
First solenoid valve is connected to refluxing opening, and refluxing opening is located at below the second auger, and flow pump is equipped between the first solenoid valve and refluxing opening,
Second exports also connection medicine dissolving tank water inlet into drug bucket, and second is additionally provided with third auger, third auger into drug bucket exit position
Connect the 5th PLC controller, be equipped with the 4th auger at medicine dissolving tank water inlet 141, medicine dissolving tank water outlet be equipped with chlorine residue detector and
Second solenoid valve, chlorine residue detector connect the 6th PLC controller, and second solenoid valve connects the 7th PLC controller, the first PLC
Controller, the second PLC controller, third PLC controller, the 4th PLC controller, the 5th PLC controller, the 6th PLC controller
The 8th PLC controller is all connected with the 7th PLC controller.
2. sewage disposal system according to claim 1, which is characterized in that be equipped in the medicine dissolving tank and block medicine net, blocked
Medicine
Net includes L-type plate, and L-type plate is made by metal mesh, and the L shape edge of L-type plate is fixedly connected with the side wall of medicine dissolving tank, shape
At the netted cavity body structure of upper opening.
3. sewage disposal system according to claim 1, which is characterized in that be additionally provided with flow-guiding screen in the medicine dissolving tank
25, flow-guiding screen includes bottom plate, and bottom plate is metal mesh, several flow guide bars is fixed on bottom plate, the trapezoidal section of water conservancy diversion sliver transvers section should
The long side of trapezoid cross section is fixedly connected with bottom plate.
4. sewage disposal system according to claim 1, which is characterized in that the bottom plate plate face of the flow-guiding screen and molten medicine
The bottom surface in pond is parallel, and flow-guiding screen is two and uniformly fixes at equal intervals along the short transverse of medicine dissolving tank, two-by-two adjacent flow-guiding screen
The side short side of middle top deflector and two long sides are fixedly connected with medicine dissolving tank side wall respectively, other side short side and medicine dissolving tank side wall
Between there is interval, form the first flow-guiding mouth, two-by-two in adjacent flow-guiding screen lower section deflector side short side and two long sides point
It is not fixedly connected with medicine dissolving tank side wall, has between other side short side and medicine dissolving tank side wall and be spaced, the second flow-guiding mouth of formation, first
Flow-guiding mouth and the second flow-guiding mouth are located at the opposite two sides of medicine dissolving tank, form the structure that water flow is flowed along S type direction.
5. sewage disposal system according to claim 1, which is characterized in that be additionally provided with ultrasonic wave above the medicine dissolving tank
Liquidometer, ultrasonic level gage connect the 9th PLC controller, and the 9th controller connects the 8th controller.
6. using the method for any sewage disposal system of claim 1-5, comprising the following steps:
(1) the first PLC controller is opened, the first PLC controller controls the rotation of the first auger, to first into putting into single mistake in drug bucket
Potassium acid sulfate, sewage enter from wastewater inlet, start the second auger, and Potassium Monopersulfate mixes to obtain mixed liquor with sewage, and second
PLC controller controls tubular type ultraviolet device to mixing liquid disinfectant, obtains preliminarily pasteurized sewage；
(2) the first solenoid valve is opened, preliminarily pasteurized sewage a part is mixed from refluxing opening with mixed liquor, opens the 5th PLC control
Device, the 5th PLC controller control the rotation of third auger, and to second into sodium dichloro cyanurate is put into drug bucket, starting the 4th is twisted
Dragon, preliminarily pasteurized sewage another part flow into medicine dissolving tank after mixing at the 4th auger with sodium dichloro cyanurate, then from molten medicine
Pond outlet outflow, chlorine residue detector detection medicine dissolving tank exit residual chlorine amount simultaneously send information to the 6th PLC controller, work as residual chlorine amount
When less than upper limit threshold, the 6th PLC controller sends a signal to the 8th PLC controller, and the 8th PLC controller sends a signal to
Two PLC controllers, the second PLC controller control tubular type ultraviolet device and increase power, when residual chlorine amount is greater than lower threshold, second
PLC controller controls tubular type ultraviolet device and reduces power；
(3) third PLC controller 11 transmitted traffic signal to the 8th PLC controller, when flow is greater than threshold value, the 8th PLC control
Device processed sends a signal to the 7th PLC controller, and the 7th PLC controller controls second solenoid valve and reduces aperture, when flow is less than threshold
When value, the 8th PLC controller sends a signal to the 7th PLC controller, and the control second solenoid valve increase of the 7th PLC controller is opened
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469952.0A CN110156227B (en) | 2019-05-31 | 2019-05-31 | Sewage treatment system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469952.0A CN110156227B (en) | 2019-05-31 | 2019-05-31 | Sewage treatment system and method |
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| Publication Number | Publication Date |
|---|---|
| CN110156227A true CN110156227A (en) | 2019-08-23 |
| CN110156227B CN110156227B (en) | 2021-12-03 |
Family
ID=67630937
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|---|---|---|---|
| CN201910469952.0A Active CN110156227B (en) | 2019-05-31 | 2019-05-31 | Sewage treatment system and method |
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