CN114671547A - Rural domestic sewage integrated treatment device - Google Patents
Rural domestic sewage integrated treatment device Download PDFInfo
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- CN114671547A CN114671547A CN202210361411.8A CN202210361411A CN114671547A CN 114671547 A CN114671547 A CN 114671547A CN 202210361411 A CN202210361411 A CN 202210361411A CN 114671547 A CN114671547 A CN 114671547A
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- 239000010865 sewage Substances 0.000 title claims abstract description 131
- 238000000746 purification Methods 0.000 claims abstract description 81
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 46
- 238000003756 stirring Methods 0.000 claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 133
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 230000035484 reaction time Effects 0.000 claims description 25
- 238000002347 injection Methods 0.000 claims description 23
- 239000007924 injection Substances 0.000 claims description 23
- 238000011049 filling Methods 0.000 claims description 20
- 239000003814 drug Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 13
- 239000002351 wastewater Substances 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 11
- 238000011156 evaluation Methods 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 6
- 238000004065 wastewater treatment Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000010840 domestic wastewater Substances 0.000 claims 8
- 238000004062 sedimentation Methods 0.000 claims 1
- 230000000249 desinfective effect Effects 0.000 abstract 1
- 241000220317 Rosa Species 0.000 description 14
- 244000309464 bull Species 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000001105 regulatory effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- 230000001954 sterilising effect Effects 0.000 description 1
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Abstract
The invention relates to the field of sewage treatment, in particular to a rural domestic sewage integrated treatment device, which comprises a base plate, a plurality of units and a plurality of units, wherein the base plate is used for fixing the relative positions of the other units; the filtering unit is used for filtering the domestic sewage; the purification unit is used for purifying the filtered domestic sewage; the disinfection unit is used for disinfecting the purified domestic sewage; the controller is used for controlling the whole sewage treatment process; a liquid level detector is arranged in the filtering unit, and the controller controls the addition of the sewage in the filtering unit according to the liquid level detected by the liquid level detector; a stirring device is arranged in the disinfection unit, and a controller controls a stirring rod of the stirring device to rotate and adjusts the rotating speed of the stirring rod according to the liquid level height of the sewage in the disinfection unit; the invention controls the whole sewage treatment process through the controller, can reduce the manual participation and effectively improve the treatment speed of rural domestic sewage.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to a rural domestic sewage integrated treatment device.
Background
Along with the rapid development of national economy, the rural living standard is continuously improved, the discharge amount of rural domestic sewage is also continuously improved, the main sources of the rural domestic sewage comprise washing, toilet flushing, kitchen sewage and the like, the rural domestic sewage has the characteristics of wide discharge range, dispersion, low pollution concentration, low treatment rate and the like, the water environment of rural areas is seriously polluted, and the quality of drinking water is seriously threatened, so that the collection, treatment and discharge of the rural domestic sewage are enhanced by selecting a proper sewage treatment technology, which is an urgent problem of improving the current rural living environment, the existing equipment for treating dispersed sewage has a plurality of brands, the adopted processes are largely the same and different, and the more typical processes comprise collection, precipitation separation, anaerobic treatment, aerobic treatment, secondary precipitation treatment, disinfection and the like, CN10231272A discloses an integrated dispersed domestic sewage treatment device, a pretreatment area is divided in the main shell, The anaerobic zone, the aerobic zone and the precipitation disinfection zone are provided with a partition plate between the anaerobic zone and the aerobic zone, the pneumatic water pump is arranged on one side of the partition plate close to the anaerobic zone, and the pneumatic water pump conveys water in the anaerobic zone to the aerobic zone by means of the power of a pressure air source, so that the aerobic zone always keeps constant water level and basically stable conveying flow. Although the device runs stably, the internal structure of the integral equipment is complex, the sewage reaction time cannot be accurately determined, the equipment cost is high, the use and the maintenance are not facilitated, and the device cannot be practically popularized in vast rural areas.
Disclosure of Invention
Therefore, the invention provides a rural domestic sewage treatment device which is used for solving the problems of low treatment efficiency and insufficient intellectualization caused by the fact that the reaction time of sewage cannot be accurately and accurately determined in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme that the rural domestic sewage integrated treatment device comprises,
the substrate is used for fixing the relative positions of other units;
the filtering unit comprises a filtering tank, and a first electromagnetic valve is arranged at a water injection port of the filtering tank and used for controlling the water inlet speed; the filter box is internally provided with a filter plate for filtering solid matters in the domestic sewage; a first liquid level detector is also arranged on one side of the inner wall of the filter box and used for detecting the liquid level of the sewage in the filter box; the bottom of the filter box is provided with a first water pump which is used for pumping sewage in the filter box into the purification tank for further treatment; the controller can control the opening and closing of the water filling port of the filter tank and the medicine adding speed in the disinfection tank according to the height of the sewage liquid level in the filter tank, and controls the opening value of the water filling port of the filter tank according to the working state of the first water pump;
the purification unit comprises a purification tank which is arranged on one side of the upper surface of the substrate and is used for purifying the filtered domestic sewage; the inner wall of the purification tank is provided with an opening for sampling the sewage and detecting the COD value in the sewage; and a second liquid level detector is arranged on one side of the inner wall of the purification tank. The sewage level detection device is used for detecting the liquid level height of sewage in the purification tank, and a second water pump is arranged at the bottom of the purification tank and used for pumping the purified sewage into the disinfection tank for next treatment; the controller controls the working state of the water pump according to the height of the sewage liquid level in the purification tank;
the disinfection unit comprises a disinfection tank, and a stirring device is arranged in the disinfection tank and is used for accelerating the mixing speed of the liquid medicine and the wastewater to be treated; the inner wall of the disinfection tank is provided with a third liquid level detector for detecting the liquid level height in the disinfection tank, and the opening of the disinfection tank is provided with a second electromagnetic valve for controlling the dosing speed; the controller controls the rotating speed of the stirring device in the disinfection tank according to the working state of the purification tank;
the controller, its with first solenoid valve, the second solenoid valve, first liquid level height detector, second liquid level height detector, third liquid level height detector, first water pump, the second water pump links to each other for control whole waste water treatment process, just the controller can be according to treating that the COD value in the oxidation sewage is definite reaction duration, and after the reaction duration is up to standard, detect remaining COD value in the sewage, the controller can be according to remaining COD value definite extension reaction time.
Through the dynamic regulation and control of the controller to the whole sewage treatment process, the manual participation is reduced as much as possible, and the sewage treatment efficiency is improved.
When the sewage treatment device is started to perform sewage treatment, detecting whether sewage exists in the purification tank, sampling and detecting a COD value in the sewage when the sewage exists, and transmitting a detection result P to the controller, wherein the controller is provided with a COD evaluation value Pz, and the controller compares the detected COD value P with the COD evaluation value Pz;
when P is less than or equal to Pz, the controller judges that the COD value of the wastewater in the purification tank reaches the standard,
when P is more than Pz, the controller judges that the COD value of the wastewater in the purification tank does not reach the standard,
the controller is internally provided with a purification tank over-reaction time length T, and is used for timing the reaction time length of the purification tank when the COD value of the sewage reaches the standard, controlling the second water pump to be started when the reaction time length reaches the over-reaction time length T, pumping the sewage in the purification tank into the disinfection tank, and performing the next treatment;
when the COD value in the sewage does not reach the standard, the controller calculates the reaction time of the COD value and performs reaction according to the calculated reaction time to reduce the COD value in the sewage.
Further, the controller calculates the COD value reaction time length T1, T1= (P-Pz) × q, and q is a compensation parameter of the COD value reaction time length.
The reaction duration is determined according to the COD value in the sewage, so that the waste of resources is prevented while the sewage is rapidly treated.
Further, when the COD reaction time length T1 passes, the COD value of the sewage in the purification tank is detected again and is recorded as P ', and the controller compares the detected COD value P' with the COD evaluation value Pz;
when P' is less than or equal to Pz, the controller judges that the COD value in the purification tank reaches the standard,
when P 'is more than Pz, the controller judges that the COD value of the wastewater in the purification tank does not reach the standard, and repeats the operation of prolonging the reaction time length for reducing the COD value until P' is less than or equal to Pz.
The COD content is periodically detected, the estimated time length is accurately calculated, the oxidation efficiency is accelerated, and the time for sewage treatment is reduced.
Further, a lowest water level preset value Kd of a purification tank is arranged in the controller, when the second water pump starts to extract the sewage in the purification tank, the second liquid level detector detects the liquid level Ka of the purification tank in real time and transmits a detection result to the controller, and the controller compares the Ka with the lowest water level preset value Kd;
and when Ka is less than or equal to Kd, the controller judges that the water pumping of the purification tank is finished, controls the second water pump to stop working, controls the first water pump to start working at the same time, and pumps the sewage in the filter tank into the purification tank.
Through detecting the sewage liquid level height in the purification tank, the work of the water pump is controlled, the water adding and the water discharging in the purification tank are dynamically regulated, and the sewage treatment efficiency is improved.
Further, an overhigh water level Kh and an overlow water level Kn of a filter tank are preset in the controller, the first liquid level detector monitors the water level Kb of the filter tank in real time and transmits a detection result to the controller, and the controller compares the Kb with the overhigh water level Kh and the overlow water level Kn; controlling the opening and closing of the water injection port of the filter tank according to the comparison result;
when Kb is less than or equal to Kn, the controller controls the opening of a water filling port of the filter tank;
when Kb is larger than or equal to Kh, the controller controls the closing of the water injection port of the filter tank;
when Kh is less than Kb and less than Kn, the open-close state of the water filling port of the filter tank is not adjusted.
Through the sewage liquid level in the detection rose box, opening and shutting of control rose box water filling port improves work efficiency.
Furthermore, the opening degree value of the water filling port of the filter tank is adjustable, when the water filling port of the filter tank is opened, the working state of the first water pump is obtained, and the opening degree of the water filling port of the filter tank is determined according to the working state of the first water pump; the controller is provided with a first opening value A1 and a second opening value A2, when the first water pump is in an operating state, the first opening value A1 is selected for water injection, and when the first water pump is in a closed state, the second opening value A2 is selected for water injection.
A plurality of water injection speeds are set so as to keep the sewage liquid level in the filter tank at a reasonable height.
Further, when a reaction is being performed in the purification tank, the third liquid level detector compares the detected disinfection tank liquid level Kc with the controller preset disinfection tank liquid level K3: when Kc is less than K3, stirring is not carried out, and when Kc is more than or equal to K3, the stirring device carries out stirring at a speed of V1;
when the reaction in the purification tank is finished and the discharge is waited, the controller controls the stirring device to stir at a speed V2, wherein V2 is more than V1;
when the sewage liquid level Kb in the filter tank is larger than or equal to the highest water level Kh, the controller controls the electromagnetic valve B to expand the opening value and improve the dosage.
Through disinfection jar sewage liquid level height control agitating unit's stirring speed reduces the energy resource consumption, has improved the utilization ratio of medicament through control medicine speed.
Preferably, the structure that opens and shuts is installed on the top of rose box, the structure that opens and shuts includes the case lid, the case lid sets up in the top of rose box, the both sides of case lid all are provided with the card frame, and the bottom of card frame articulates there is the articulated shaft, one side and rose box fixed connection of articulated shaft, when the long-time use of rose box needs to clear up inside, overturn card frame downwards in proper order, the card frame can break away from the both sides of case lid, later take out the case lid from the top of rose box, can clear up the inside of rose box this moment, improve the cleanliness factor when using.
Preferably, the stirring structure includes the bull stick, the bull stick is installed in the inside top of disinfect box, the bull stick both sides all are fixed with the stirring thick liquid, the top of disinfect box is installed and is changeed the handle, just the stirring thick liquid is provided with a plurality of, a plurality of the stirring thick liquid is the symmetric distribution about the perpendicular center line of bull stick, has improved mixed effect.
The invention provides a rural domestic sewage integrated treatment device, which has the advantages that: the COD value of the sewage in the purification tank is detected, the treatment time required by the sewage is calculated, excessive reaction is avoided, and the treatment efficiency of the sewage is improved;
the opening and closing of a water filling port at the top of the filter tank and the medicine adding speed in the disinfection tank are controlled by detecting the liquid level height in the filter tank, and the opening value of the water filling port is controlled according to the working state of a water pump at the bottom of the filter tank, so that the sewage liquid level is kept at a reasonable height;
and controlling the stirring speed of the stirring device in the disinfection tank by judging the working state of the purification tank.
Drawings
FIG. 1 is a schematic structural diagram of an integrated rural domestic sewage treatment apparatus according to this embodiment;
in FIG. 1, a substrate; 2. a filter box; 3. an opening and closing structure; 301. a box cover; 302. clamping a frame; 303. hinging a shaft; 4. a filter structure; 401. filtering the plate; 402. carrying a plate; 403. a handle; 5. a purification tank; 6. a first water pump; 7. a conduit; 8. a second water pump; 9. a sterilizing tank; 10. a water outlet; 11. a stirring device; 1101. stirring the slurry; 1102. a rotating rod; 1103. turning a handle; 12. a medicine adding port; 13. a water injection port; 14. a controller; 15. a first liquid level detector; 16. a second liquid level detector; 17. a linking valve; 18. a third liquid level detector.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, it is a schematic structural diagram of an integrated rural domestic sewage treatment apparatus in this embodiment, including,
a substrate 1 for fixing the relative positions of other units;
the filtering unit comprises a filtering tank 2, and a first electromagnetic valve A is arranged at a water injection port 13 of the filtering tank and used for controlling the water inlet speed; the filter box 2 is provided with a filter plate 4 for filtering solid matters in the domestic sewage; a first liquid level height detector 15 is arranged on one side of the inner wall of the filter box 2 and used for detecting the liquid level height of sewage in the filter box; the bottom of the filter tank 2 is provided with a first water pump 6 which is used for pumping out the sewage in the filter tank 2 for the next treatment; the controller 14 can control the opening and closing of the water filling port of the filter tank and the medicine adding speed in the disinfection tank 9 according to the height of the sewage liquid level in the filter tank 2, and control the opening value of the water filling port of the filter tank according to the working state of the first water pump 6;
the purification unit comprises a purification tank 5 which is arranged on one side of the upper surface of the base plate 1 and is used for purifying the filtered domestic sewage; an opening is arranged on the inner wall of the purification tank 5, and a linking valve 17 is arranged at the opening and used for sampling and detecting the COD value in the sewage; the second liquid level detector 16 is provided on the inner wall side of the purification tank 5. The sewage level detection device is used for detecting the sewage level in the purification tank, and the bottom of the purification tank 5 is provided with a second water pump 8 which is used for pumping out the purified sewage for the next treatment; the controller 14 controls the working state of the water pump according to the height of the sewage liquid level in the purification tank;
the disinfection unit comprises a disinfection tank 9, and a stirring device 11 is arranged in the disinfection tank 9 and used for accelerating the mixing speed of the liquid medicine and the wastewater to be treated; the inner wall of the disinfection tank 9 is provided with a third liquid level detector 18 for detecting the liquid level height in the disinfection tank 9, and the opening of the disinfection tank is provided with a second electromagnetic valve B for controlling the medicine adding speed. The controller controls the rotating speed of the stirring device in the disinfection tank according to the working state of the purification tank;
the controller 14, its with first solenoid valve A, second solenoid valve B, first liquid level height detector 15, second liquid level height detector 16, third liquid level height detector 18, first water pump 6, the second water pump links to each other 8 for control whole waste water treatment process, just the controller 14 can be according to the COD value of waiting to oxidize in the sewage and confirm that the reaction is long, after the reaction is long up to standard, detects remaining COD value in the sewage, and the controller can confirm extension reaction time according to remaining COD value.
Through the dynamic regulation and control of the controller on the whole sewage treatment process, the manual participation is reduced as much as possible, and the sewage treatment efficiency is improved.
When the sewage treatment device is started to perform sewage treatment, whether sewage exists in the purification tank 5 is detected, when the sewage exists, a COD value in the sewage is sampled and detected, and a detection result P is transmitted to the controller 14, the controller is provided with a COD evaluation value Pz, and the controller compares the detected COD value P with the COD evaluation value Pz;
when P is less than or equal to Pz, the controller 14 judges that the COD value of the wastewater in the purification tank reaches the standard,
when P is larger than Pz, the controller 14 judges that the COD value of the wastewater in the purification tank does not reach the standard;
the controller 14 is internally provided with a purification tank over-reaction time period T, when the COD value of the sewage reaches the standard, the controller 14 times the reaction time period of the purification tank 5, and when the reaction time period reaches the over-reaction time period T, the controller controls 14 the second water pump 8 to be started, so that the sewage in the purification tank 5 is pumped into the disinfection tank 9 for the next treatment;
when the COD value in the sewage does not reach the standard, the controller 14 calculates the reaction duration of the COD value, and performs a reaction according to the calculated reaction duration, thereby reducing the COD value in the sewage.
The controller 14 calculates the COD value reaction duration T1, T1= (P-Pz) × q, which is a COD value reaction duration compensation parameter.
The reaction duration is determined according to the COD value in the sewage, so that the waste of resources is prevented while the sewage is rapidly treated.
When the COD reaction time length T1 passes, the COD value of the sewage in the purification tank 5 is detected again and is marked as P ', and the controller compares the detected COD value P' with the COD evaluation value Pz;
when P' is less than or equal to Pz, the controller 14 judges that the COD value in the purification tank 5 reaches the standard,
when P 'is more than Pz, the controller 14 judges that the COD value of the sewage water in the purification tank 5 does not reach the standard, and repeats the operation of prolonging the reaction time length for reducing the COD value until P' is less than or equal to Pz.
The COD content is periodically detected, the estimated time length is accurately calculated, the oxidation efficiency is accelerated, and the time for sewage treatment is reduced.
A lowest water level preset value Kd of the purification tank 5 is arranged in the controller 14, when the second water pump 8 starts to extract the sewage in the purification tank 5, the second liquid level detector 16 detects the liquid level Ka of the purification tank 5 in real time and transmits the detection result to the controller 14, and the controller 14 compares the Ka with the lowest water level preset value Kd;
when Ka is less than or equal to Kd, the controller 14 judges that the water pumping of the purification tank 5 is finished, the controller 14 controls the second water pump 8 to stop working, and simultaneously controls the first water pump 6 to start working, so that the sewage in the filter tank is pumped into the purification tank 5;
when Ka > Kd, the controller controls the second water pump 8 to continue to operate.
Through detecting the sewage liquid level height in the purification tank, the work of the water pump is controlled, the water adding and the water discharging in the purification tank are dynamically regulated, and the sewage treatment efficiency is improved.
An overhigh water level Kh and an overlow water level Kn of the filter tank 2 are preset in the controller 14, the first liquid level detector 15 monitors the water level Kb of the filter tank 2 in real time and transmits a detection result to the controller 14, and the controller 14 compares the Kb with the overhigh water level Kh and the overlow water level Kn; opening and closing of the water filling port 13 of the years filter box is controlled according to the comparison result;
when Kb is less than or equal to Kn, the controller controls the water filling port 13 of the filter tank 2 to be opened
When Kb is larger than or equal to Kh, the controller controls the water injection port 13 of the filter tank 2 to be closed;
when Kh is less than Kb and less than Kn, the open-close state of the water injection port 13 of the settling tank 2 is not adjusted.
The sewage liquid level in the filter tank is detected, the opening and closing of a water filling port of the filter tank are controlled, and the working efficiency is improved.
The opening value of the water injection port 13 of the filter tank 2 is adjustable, when the water injection port 13 of the filter tank 2 is opened, the working state of the first water pump 6 is obtained, and the opening of the water injection port 13 of the filter tank 2 is determined according to the working state of the first water pump 6; the controller 14 is provided with a first opening value A1 and a second opening value A2, the first opening value A1 is selected for water injection when the first water pump 6 is in an operating state, and the second opening value A2 is selected for water injection when the first water pump 6 is in a closed state.
A plurality of water injection speeds are set so as to keep the sewage liquid level in the filter tank at a reasonable height.
When a reaction is taking place in the purge tank 5, the third level detector 18 compares the detected tank level Kc with a preset tank level K3 of the controller 14: when Kc is less than K3, stirring is not carried out, and when Kc is more than or equal to K3, the stirring device carries out stirring at a speed of V1;
when the reaction in the purification tank 5 is completed and the discharge is waited, the controller 14 controls the stirring device to stir at a speed of V2, wherein V2 > V1;
when the sewage liquid level Kb in the filter tank 2 is more than or equal to the highest water level Kh, the controller 14 controls the electromagnetic valve B to expand the opening value and improve the dosage.
Through disinfection jar sewage liquid level height control agitating unit's stirring speed reduces the energy resource consumption, has improved the utilization ratio of medicament through control medicine speed.
Open and shut structure 3 is installed on the top of rose box 2, the structure that opens and shuts includes case lid 301, case lid 301 sets up in the top of rose box 2, the both sides of case lid 301 all are provided with card frame 303, and the bottom of card frame 303 articulates there is articulated shaft 303, one side and rose box 2 fixed connection of articulated shaft 303, when rose box 2 uses the needs to clear up inside for a long time, upset card frame 302 downwards in proper order, card frame 302 can break away from the both sides of case lid 301, later takes out case lid 301 from the top of rose box 2, can clear up the inside of rose box 2 this moment, improves the cleanliness factor when using.
Agitating unit 11 includes bull 1103, bull 1103 is installed in the inside top of disinfection jar 9, bull 1102 both sides all are fixed with the stirring thick liquid 1101, the top of disinfection jar 9 is installed and is changeed the 1103, just the stirring thick liquid 1101 is provided with a plurality of, a plurality of the stirring thick liquid 1101 is symmetric distribution about the perpendicular center line of bull 1102, has improved mixed effect.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An integrated treatment device for rural domestic sewage, which is characterized by comprising,
the substrate is used for fixing the relative positions of other units;
the filtering unit comprises a filtering tank, and a first electromagnetic valve A is arranged at a water injection port of the filtering tank and used for controlling the water inlet speed; the filter box is internally provided with a filter plate for filtering solid matters in the domestic sewage; a first liquid level detector is also arranged on one side of the inner wall of the filter box and used for detecting the liquid level of the sewage in the filter box; the bottom of the filter box is provided with a first water pump which is used for pumping sewage in the filter box into the purification tank for further treatment; the controller can control the opening and closing of the water filling port of the filter tank and the medicine adding speed in the disinfection tank according to the height of the sewage liquid level in the filter tank, and controls the opening value of the water filling port of the filter tank according to the working state of the first water pump;
the purification unit comprises a purification tank which is arranged on one side of the upper surface of the substrate and is used for purifying the filtered domestic sewage; the inner wall of the purification tank is provided with an opening for sampling the sewage and detecting the COD value in the sewage; a second liquid level height detector is arranged on one side of the inner wall of the purification tank; the sewage level detection device is used for detecting the liquid level height of sewage in the purification tank, and a second water pump is arranged at the bottom of the purification tank and used for pumping the purified sewage into the disinfection tank for next treatment; the controller controls the working state of the water pump according to the height of the sewage liquid level in the purification tank;
the disinfection unit comprises a disinfection tank, and a stirring device is arranged in the disinfection tank and is used for accelerating the mixing speed of the liquid medicine and the wastewater to be treated; the inner wall of the disinfection tank is provided with a third liquid level detector for detecting the liquid level height in the disinfection tank, the opening of the disinfection tank is provided with a second electromagnetic valve B for controlling the medicine adding speed, and the controller controls the rotating speed of a stirring device in the disinfection tank according to the working state of the purification tank;
the controller, its with first solenoid valve A, second solenoid valve B, first liquid level height detector, second liquid level height detector, third liquid level height detector, first water pump, the second water pump links to each other for control whole waste water treatment process, just the controller can be according to treating that the COD value in the oxidation sewage confirms that the reaction is long, after long up to standard in the reaction, detects remaining COD value in the sewage, and the controller can confirm extension reaction time according to remaining COD value.
2. The rural domestic sewage integrated treatment device according to claim 1, wherein when the sewage treatment device is started to perform sewage treatment, whether sewage exists in the purification tank is detected, and when the sewage exists, a COD value in the sewage is sampled and detected, and a detection result P is transmitted to the controller, the controller is provided with a COD evaluation value Pz, and the controller compares the detected COD value P with the COD evaluation value Pz;
when P is less than or equal to Pz, the controller judges that the COD value of the wastewater in the purification tank reaches the standard,
when P is larger than Pz, the controller judges that the COD value of the wastewater in the purification tank does not reach the standard;
the controller is internally provided with a purification tank over-reaction time length T, and is used for timing the reaction time length of the purification tank when the COD value of the sewage reaches the standard, controlling the second water pump to be started when the reaction time length reaches the over-reaction time length T, pumping the sewage in the purification tank into the disinfection tank, and performing the next treatment;
when the COD value in the sewage does not reach the standard, the controller calculates the reaction time of the COD value and performs reaction according to the calculated reaction time to reduce the COD value in the sewage.
3. The integrated rural domestic wastewater treatment device according to claim 2, wherein the controller calculates a COD value reaction time period T1, T1= (P-Pz). times.q, and q is a COD value reaction time period compensation parameter.
4. The rural domestic wastewater integrated treatment device according to claim 3, wherein when the COD reaction time period T1 passes, the COD value of the wastewater in the purification tank is detected again and recorded as P ', and the controller compares the detected COD value P' with the COD evaluation value Pz;
when P' is less than or equal to Pz, the controller judges that the COD value in the purification tank reaches the standard,
when P 'is more than Pz, the controller judges that the COD value of the wastewater in the purification tank does not reach the standard, and repeats the operation of prolonging the reaction time length for reducing the COD value until P' is less than or equal to Pz.
5. The integrated rural domestic wastewater treatment device according to claim 4, wherein a preset minimum water level Kd of a purification tank is arranged in the controller, when the second water pump starts to pump the wastewater in the purification tank, the second liquid level detector detects the liquid level Ka of the purification tank in real time and transmits the detection result to the controller, and the controller compares the Ka with the preset minimum water level Kd;
when Ka is less than or equal to Kd, the controller judges that the water pumping of the purification tank is finished, controls the second water pump to stop working, controls the first water pump to start working at the same time, and pumps the sewage in the filter tank into the purification tank;
when Ka > Kd, the controller controls the second water pump to continue to work.
6. The rural domestic wastewater integrated treatment device according to claim 1, wherein a filter tank overhigh water level Kh and overlow water level Kn are preset in the controller, the first liquid level detector monitors the water level Kb of the filter tank in real time and transmits a detection result to the controller, and the controller compares Kb with the overhigh water level Kh and the overlow water level Kn and controls the water filling port of the solar sedimentation tank to be opened and closed according to the comparison result;
when Kb is less than or equal to Kn, the controller controls the opening of a water filling port of the filter tank;
when Kb is larger than or equal to Kh, the controller controls the closing of the water injection port of the filter tank;
when Kh is less than Kb and less than Kn, the open-close state of the water filling port of the filter tank is not adjusted.
7. The rural domestic wastewater integrated treatment device according to claim 6, wherein the opening degree of the water injection port of the filter tank is adjustable, when the water injection port of the settling tank is opened, the working state of the first water pump is obtained, and the opening degree of the water injection port of the settling tank is determined according to the working state of the first water pump, the controller is provided with a first opening degree A1 and a second opening degree A2, when the first water pump is in the working state, the first opening degree A1 is selected for water injection, and when the first water pump is in the closed state, the second opening degree A2 is selected for water injection.
8. The rural domestic wastewater integrated treatment device according to claim 5, wherein when the reaction is in progress in the purification tank, the third liquid level detector compares the detected disinfection tank liquid level Kc with the controller preset disinfection tank liquid level K3: when Kc is less than K3, stirring is not carried out, and when Kc is more than or equal to K3, the stirring device carries out stirring at a speed of V1;
when the reaction in the purification tank is finished and the discharge is waited, the controller controls the stirring device to stir at a speed V2, wherein V2 is more than V1;
when the sewage liquid level Kb in the filter tank is larger than or equal to the highest water level Kh, the controller controls the electromagnetic valve B to expand the opening value and improve the dosage.
9. The rural domestic wastewater integrated treatment device according to claim 1, wherein an opening and closing structure is installed at the top end of the filter box, the opening and closing structure comprises a box cover, the box cover is arranged at the top end of the filter box, clamping frames are arranged on two sides of the box cover, a hinge shaft is hinged to the bottom ends of the clamping frames, and one side of the hinge shaft is fixedly connected with the filter box.
10. The rural domestic wastewater integrated treatment device according to claim 1, wherein the stirring structure comprises a rotating rod, the rotating rod is installed at the top end inside the disinfection box, stirring paddles are fixed on both sides of the rotating rod, a rotating handle is installed at the top end of the disinfection box, and the stirring paddles are provided with a plurality of numbers, and the stirring paddles are symmetrically distributed about the vertical center line of the rotating rod.
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| CN202210361411.8A CN114671547A (en) | 2022-04-07 | 2022-04-07 | Rural domestic sewage integrated treatment device |
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Application publication date: 20220628 |