CN203878026U - Buried domestic sewage treatment system - Google Patents
Buried domestic sewage treatment system Download PDFInfo
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- CN203878026U CN203878026U CN201420257657.1U CN201420257657U CN203878026U CN 203878026 U CN203878026 U CN 203878026U CN 201420257657 U CN201420257657 U CN 201420257657U CN 203878026 U CN203878026 U CN 203878026U
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Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a buried domestic sewage treatment system which comprises a grid regulating pond, a biological contact oxidation pond, a coagulation pond, a precipitation pond, a sludge concentration pond, a sterilizer, a blower and a liquid level control device, wherein a septic pond is connected with the grid regulating pond; the grid regulating pond is connected with the biological contact oxidation pond; the biological contact oxidation pond is connected with the coagulation pond; the coagulation pond is connected with the precipitation pond; the precipitation pond is connected with the sludge concentration pond; the sterilizer is connected with a water outlet pipe of the precipitation pond; a metering charging device is connected with the coagulation pond; and the liquid level control device is connected with the sterilizer, the metering charging device and a submersible sewage pump and controls the operation of the sterilizer, metering charging device and submersible sewage pump. When sewage enters the septic pond, large-granule precipitable solids and floating materials are intercepted, and effluent water enters the grid regulating pond and lifted to the biological contact oxidation pond by the sewage pump; the pretreated sewage is subjected to aerobic biological treatment by the biological contact oxidation pond, and organic matters are degraded into carbon dioxide and water under the action of the oxygenation aeration and biomembrane; the effluent water enters the precipitation pond to be subjected to sludge/water separation; the treated water is discharged, lifted to the sludge pond by the sludge pump, concentrated and transferred outside; and the supernate returns to the regulating pond for retreatment.
Description
Technical field
The utility model relates to sewage treatment area, is specifically a kind of embedded type domestic sewage disposal system.
Background technology
The processing of sanitary sewage is at present with biochemical treatment mostly or uses chemically treated way, such as A/O anaerobic-aerobic (active sludge) technique, blodisc and oxidation ditch process etc. of biological treatment, although above-mentioned treatment process has certain effect, but due to do not weigh the water quality, the water yield, production technique of waste water comprehensively and with wastewater treating technology through comprehensive suitability, therefore treatment facility treatment effect is unstable mostly, and working cost is also high.
In recent years, along with research and the application of sewage disposal technology are further goed deep into, for a wide and optimistic space has been opened up in the development of domestic sewage treatment, for a beautiful blueprint has been drawn in the optimization of environmental ecology.
In China, domestic sewage treatment technology is ripe gradually.Conventionally the treatment process adopting has: the way that physico-chemical process, biological process and biochemical materialization combine etc.
(1) so-called physico-chemical process is to utilize physical action and chemical reaction, pollution substance and inorganics or the organic solute of main suspended state in separated waste water.This method is comparatively simple, economical.Main treatment technology has: neutralization, adjusting, filtration, precipitation, centrifugation, floating, coagulation etc.Physico-chemical process working cost is higher, is generally used for coagulation, tertiary treatment or the advanced treatment of waste water.
(2) so-called biological process is the metabolic function that utilizes microorganism, makes the organic contamination that is dissolving and colloidal state in water degrade and be converted into innoxious substance, and waste water is evolved.Biological process is to use at present a kind for the treatment of process comparatively widely, is usually used in the second-stage treatment of waste water.
Be more than sanitary sewage disposal general method, wherein physico-chemical process treatment effect is poor, and chemical method is required, and to add pharmaceutical quantities large, therefore all unsuitable as main processing scheme.Again because the BOD of intaking in the design
5/ COD
crmore than 50mg/L, biodegradability is stronger.Only through one-level materialization, process and can not guarantee that the comprehensive index of sewage is up to standard, and biological process is also a kind of comparatively general treatment process, if reasonable in design, rational management, biological process is very fruitful method, therefore the design intends adopting biological contact oxidation process as main processing scheme.
Biological treatment has that volumetric loading is high, the residence time is short, organic matter removal is effective, impact load have few compared with strong adaptive faculty, sludge creation amount, without sludge reflux, the advantage such as operational management is simple and floor space is little.
Utility model content
The purpose of this utility model is to provide a kind of embedded type domestic sewage disposal system at this; Sewage enters septic tank, its macrobead, can sink solid and floating matter and be blocked, water outlet enters grid equalizing tank, by sump pump, be promoted to biological contact oxidation pond, through pretreated sewage, by biological contact oxidation pond, carry out aerobe processing again, under oxygenic aeration and biomembranous effect, organic matter degradation is carbonic acid gas and water, water outlet enters after settling tank mud-water separation, processing water is discharged, and mud is promoted to sludge sump by slush pump, after concentrated, mud outward transport, and supernatant liquor returns to equalizing tank and processes.
The utility model is to realize like this, construct a kind of embedded type domestic sewage disposal system, it is characterized in that: comprise grid equalizing tank, biological contact oxidation pond, coagulation reaction tank, settling tank, sludge thickener, sterilizing unit, blower fan, liquid level operating device; By biological contact oxidation pond, coagulation reaction tank, settling tank, sludge thickener, form apparatus for treating sewage;
Septic tank is connected logical with grid equalizing tank, grid equalizing tank is connected logical with biological contact oxidation pond, biological contact oxidation pond is connected logical with coagulation reaction tank, coagulation reaction tank is connected logical with settling tank, settling tank is connected logical with sludge thickener, sterilizing unit is connected logical with settling tank rising pipe, metering chemical feeding device is connected with coagulation reaction tank; Described liquid level operating device is connected with sterilizing unit, metering chemical feeding device and submersible sewage pump and controls its operation.
The utility model has the advantage of: the utility model provides a kind of embedded type domestic sewage disposal system at this; Sewage works operation adopts auto-controll operation.Reserved RCI, can realize central monitoring station sewage works is moved and carries out remote monitoring.Central control station can be connected with industrial control system and each sewage works managerial grid system by wireless controller and network adapter, and a plurality of sewage works are carried out to centralized management.
According to environmental protection policy requirement, meeting under the prerequisite of overall plan, utilize existence conditions as far as possible, according to the principle of " few investment, few working cost, few occupation of land, guarantee up to standardly, do not produce secondary pollution ", determine that sewage treatment process is; Change excrement---grid adjusting-catalytic oxidation-reaction precipitation--sterilization discharge.
Embedded type domestic sewage disposal system body is steel corrosion, and pipeline is UPVC engineering plastics, and filler is second the third copolymerization, and aerator is corundum system, and each connecting parts of device interior is steel, the features such as antiseptic property is strong therefore equipment has, long service life.
Accompanying drawing explanation
Fig. 1 is the utility model structured flowchart
Fig. 2 is the utility model control linkage schematic diagram
Fig. 3-5th, the utility model forms apparatus for treating sewage schematic diagram by biological contact oxidation pond, coagulation reaction tank, settling tank, sludge thickener
Wherein: grid equalizing tank 1, biological contact oxidation pond 2, coagulation reaction tank 3, settling tank 4, sludge thickener 5, sterilizing unit 6, blower fan 7, liquid level operating device 8, metering chemical feeding device 9, submersible sewage pump 10.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of embedded type domestic sewage disposal system; Sewage works operation adopts auto-controll operation.Reserved RCI, can realize central monitoring station sewage works is moved and carries out remote monitoring.Central control station can be connected with industrial control system and each sewage works managerial grid system by wireless controller and network adapter, and a plurality of sewage works are carried out to centralized management.
Design specifications:
(1) GB50013-2006 < < State Standard of the People's Republic of China Code for design of outdoor water supply engineering > >
(2) < < integrated wastewater discharge standard > > (GB 8978-1996)
(3) < < urban wastewater treatment firm pollutant emission standard > > (GB 18918-2002)
(4) GB700-88 structural carbon steel
(5) basic form and the size of GB/T985-88 covered arc welding welding joint
(6) JB2932 water treating equipment manufacturing technology condition
(7) GB/T 13922.1-92 water treating equipment performance test general provisions
(8) GB/T 13922.1-92 water treating equipment performance test filter plant
(9) < < water supply and drainage design hand second, the 3rd of > >
(10) other respective design standard a nd norms
Scope of design: waste water enters facility, equipment, discharge, control device of each processing unit etc.Comprise:
(1) the general plane topological design for the treatment of station;
(2) waste water treatment process design;
(3) each technique unit facilities design of wastewater treatment;
(4) selection of waste water water treatment station equipment and design;
Process design principle:
(1) every regulation of strict implement environment protection, guarantees that the discharge water quality of sewage reaches country and local relevant emission standard after treatment.
(2), in line with advanced technology, reliable, the simple principle of operational administrative is selected sewage treatment process, and sewage treatment process handiness, advance and unfailing performance are organically combined.Accomplish both protection of the environments, farthest bring into play again project benefit.
(3), according to discharge tail water and practical operation situation after sanitary sewage water quality and quantity, processing, choose reasonable operational path, requires treatment technology advanced, processes effluent quality qualified discharge.Meeting under the prerequisite of qualified discharge requirement, reducing occupation of land, manpower as far as possible, reducing investment outlay.
(4) measure of strengthening noise abatement, avoids secondary pollution.
(6) major equipment production domesticization, adopts current domestic ripe modern technique equipment, reduces construction investment and day-to-day operation expense as far as possible;
(7) when floor plan and engineering design, in conjunction with present situation, it is compact, succinct that layout is made every effort to, and technical process is rationally unobstructed, shorten as far as possible build, the pipeline distance between structures;
(8) construction of wastewater treatment plant considers that operation is stable simple and convenient with maintenance management as far as possible.
(9) the concentrated rear properly disposal of mud, avoids environment to cause secondary pollution.
(10) Vertical Design makes every effort to reduce sewage lifting expense.
?treatment process:
According to environmental protection policy requirement, meeting under the prerequisite of overall plan, utilize existence conditions as far as possible, according to the principle of " few investment, few working cost, few occupation of land, guarantee up to standardly, do not produce secondary pollution ", determine that sewage treatment process is; Change excrement---grid adjusting-catalytic oxidation-reaction precipitation--sterilization discharge.
This apparatus and process process description:
This sewage disposal device is mainly for the processing of sanitary sewage, its mainly processing means are bio-contact oxidation treatment technologies, and total following several parts form: grid equalizing tank, contact-oxidation pool, reaction settling basin, sludge sump, blower fan, liquid level operating device form.Now be described as follows respectively:
Sewage enters septic tank, its macrobead, can sink solid and floating matter and be blocked, water outlet enters equalizing tank, by sump pump, be promoted to biological contact oxidation pond, through pretreated sewage, by biological contact oxidation pond, carry out aerobe processing again, under oxygenic aeration and biomembranous effect, organic matter degradation is carbonic acid gas and water, water outlet enters after settling tank mud-water separation, processing water is discharged, and mud is promoted to sludge sump by slush pump, after concentrated, mud outward transport, and supernatant liquor returns to equalizing tank and processes.
Equalizing tank: play on the one hand the object of acidication, hydrolysis (acidifying) is the non-dissolved organic matter in former water is held back and progressively changed into dissolved organic matter for sanitary sewage, improves the biodegradability of sewage, is beneficial to follow-up catalytic oxidation and processes.Play on the other hand the effect of adjusting, because the water-quality guideline such as sewage quality, the water yield fluctuate widely with water discharge time, in order to make to process, influent quality is even, the water yield is relatively stable and follow-up maintenance convenient, and equalizing tank adopts buried skeleton construction.Equalizing tank design residence time 8-10 hour, size can be formulated according to field condition.
Biological contact oxidation pond: the sewage in equalizing tank carries out biochemical treatment in sump pump is promoted to biological contact oxidation pond.Filler adopts current state-of-the art 3 D elastic filler, because this filler has unique structure formation and good material, make it have long service life, do not stop up, oxygenation capacity is good, power consumption is little, start that biofilm is fast, demoulding is easy, resistance to high loading impacts, acidproof withstand voltage, the advantages such as obvious processing effect, its specific surface area is greater than 300m2/m3, and contact tank design gas-water ratio is 12-20:1.Aeration adopts aeration head, and air feed does not need other utility appliance, during use, can shut down at any time, can not stop up, corrosion-resistant.
Settling tank: after biological contact oxidation pond, sewage flows into settling tank, contains the microbial film coming off after a large amount of suspended substances and bio-oxidation in sewage, need remove through settling tank.Settling tank is selected swash plate type settling tank; Its water outlet is more even.This settling tank has process lot size not to be limit, and sedimentation effect is good; Adaptable to the water yield and temperature variation; The advantages such as floor plan is compact, and cost is low.
Sterilization pool: sterilization pool duration of contact is 30 minutes.
Sludge thickener: sludge pump carries mud in settling tank to sludge sump, sludge sump supernatant liquor returns to equalizing tank and processes.Mud, by outside the regular sucking-off of fecal suction truck factory, also can be used slush pump sucking-off outward transport.
Blower fan: the fan operation life-span is more than 30000 hours.
Automatic liquid level operating device (Controlling System): when equalizing tank liquid level is during in low liquid level, Controlling System is sent instruction, and submersible sewage pump is closed, and aerating system, medicine system, sterilisation system are closed; When equalizing tank liquid level is during in high liquid level, Controlling System is sent instruction, and submersible sewage pump, aerating system, medicine system, sterilisation system are started working.Sewage works operation adopts auto-controll operation.Reserved RCI, can realize central monitoring station sewage works is moved and carries out remote monitoring.Central control station can be connected with industrial control system and each sewage works managerial grid system by wireless controller and network adapter, and a plurality of sewage works are carried out to centralized management, comprises sewage works running condition, video pictures.
Bio-carrier principal feature is as follows:
(1) with several corrosion resistants in each polymeric amide of polyalkenes of high-quality, heatproof, ageing-resistant fine quality, be material, mixing is with auxiliary agents such as hydrophilic, absorption, heat resistanceheat resistant oxygen, be immersed in for a long time in waste water non-degradable, do not have the material stripping to the toxic effect of microorganism, be better than adopting other such as materials such as polyvinyl chloride yet.
(2) adopt special wire drawing, strand hair technique processed, strand is solidly plugged on the axial cord of corrosion resistant, made suspension type 3 D elastic filler monomer, filler can evenly be unfolded and be abound with by stereoscopic and omnibearing in effective area, makes water, gas, microbial film obtain fully contact exchange, microbial film equably implantation on each strand, keep good biological activity and space mutability, and can in operational process, obtain increasing specific surface area, can carry out good metabolism again.(3) high specific surface area, common micro-organisms packing specific area is 90-180 m2/m3, the specific surface area of bio-carrier one side can reach 320 m2/m3, two-sided specific surface area is up to 640m2/m3, owing to thering is high specific surface area, in unit volume, biomass is just high, can reach the short object of hydraulic detention time.(4) high reactivity of microorganism.At the epontic microbial film of filler, because the collision of filler fluidisation, aeration wash away and make microorganism in highly active increased logarithmic phase, processing efficiency is high.(5) filler is mounted model, and it is convenient to change, and reaches work-ing life more than 10 years.(6) the outside growth of filler aerobic bacteria, carries out aerobic decomposing organic matter.
Micro-hole aerator: (1), long service life, easy to maintenance, owing to adopting the ABS plastic of high-quality and diamond spar for making material, there is long service life, and structure is semicircle form structure, aeration is even.(2), aerator is that skeleton is hollow structure, in use buoyancy is little, vibrate little, without special fixing, easy for installation.(3), oxygen transfer efficiency is high, the micro-hole aerator of employing has made up low shortcoming of in use easily aging, the obstruction of general aerator, work-ing life, its bubble is little, structure is that surrounding micropore is evenly given vent to anger, air flow is high, and the pressure-losses is little, and oxygen transfer efficiency is high.
Contact sterilizing: also contain a large amount of unwanted bacterias such as fecal coliform in sanitary sewage disposal water outlet, need carry out disinfection and go out except just entering water body after bacterium.At present, domestic sterilization method has liquid chlorine disinfection, clorox, disinfection by chlorine dioxide, ozonization and uv sterilisation etc.Liquid chlorine and clorox sterilization have been a maturation process, and its sterilisation effect is stable, in water treatment field, widely applies.Ozonization is because working cost is relatively high, and the design does not consider to adopt.Dioxide peroxide not with sewage in ammonia nitrogen react, sterilisation effect is good, production technology is ripe, working cost is lower, this engineering can adopt disinfection by chlorine dioxide, but dioxide peroxide operation need to be assigned personal management.According to local actual, be not suitable for adopting chlorine dioxide generator detoxicating.
Ultraviolet ray, for the sterilization of water, has sterilization quick, and the advantage such as polluted water, is not therefore more and more subject to people's attention in recent years.The disinfection by ultraviolet light of water, is by ultraviolet ray, the irradiation of water to be carried out, and is a photoprocess.When uviolizing is when the microorganism, destroy nucleic acid DNA and the RNA of pathogenic agent, effectively suppress their synthetic proteins and cell fission, final pathogenic agent is reproducible not, can not propagate and finally dead, thereby reach the object of sterilization.But disinfection by ultraviolet light is used luminous lamp tube, if manage badly, can make the fouling of fluorescent tube sleeve outer wall, affect sterilisation effect.
The explanation of buried sewage treatment equipment structured material
1, apparatus body: apparatus body adopts steel design anticorrosion.
2, pipeline: adopt UPVC engineering plastics, there is the features such as corrosion-resistant, anti-aging, long service life.
3, water pump: select the anti-obstruction of WQD series, tearing mode submersible sewage pump, there is the features such as quality is light, long service life.
4, blower fan: blower fan is placed in Ventilator Room, because this blower fan is equipped with sourdine and damping device, its noise is lower than 65dB.
5, automatic control
(1) the opening, stop of automatically controlled water pump, when super police circles' water level, arranges overflow vertical pipe, lower than starting liquid level pump trip.
(2) blower fan moves continuously, when sewage stops, and the operation of blower fan automatic intermittent.
6, filler: packing type shape is columnar structure, and specific surface area is large, easily installs.In operational process, the biophase that inside and outside formation is different, can adapt to different bacterial growths.Reach work-ing life more than 10 years.Packing specific area is: 520m2/m3.
7, aerating system: aerating pore aerator, this aerator material is corundum, long service life; One-piece construction adopts circular configuration, and suffered warp tension ratio plate-type aerator greatly reduces; Adopt guide's tank structure, aeration assembly is without buoyancy simultaneously; Perforate is even, and quantity is many; Each aerator adopts ABS to connect fastening piece, and interface is difficult for gas leakage, convenient disassembly.
Embedded type domestic sewage disposal system body is steel corrosion, and pipeline is UPVC engineering plastics, and filler is second the third copolymerization, and aerator is corundum system, and each connecting parts of device interior is steel, the features such as antiseptic property is strong therefore equipment has, long service life.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (1)
1. an embedded type domestic sewage disposal system, is characterized in that: comprise grid equalizing tank (1), biological contact oxidation pond (2), coagulation reaction tank (3), settling tank (4), sludge thickener (5), sterilizing unit (6), blower fan (7), liquid level operating device (8); By biological contact oxidation pond (2), coagulation reaction tank (3), settling tank (4), sludge thickener (5), form apparatus for treating sewage;
Septic tank is connected logical with grid equalizing tank (1), grid equalizing tank (1) is connected logical with biological contact oxidation pond (2), biological contact oxidation pond (2) is connected logical with coagulation reaction tank (3), coagulation reaction tank (3) is connected logical with settling tank (4), settling tank (4) is connected logical with sludge thickener (5), sterilizing unit (6) is connected logical with settling tank (4) rising pipe, metering chemical feeding device (9) is connected with coagulation reaction tank (3);
Described liquid level operating device (8) is connected with sterilizing unit (6), metering chemical feeding device (9) and submersible sewage pump (10) and controls its operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257657.1U CN203878026U (en) | 2014-05-20 | 2014-05-20 | Buried domestic sewage treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257657.1U CN203878026U (en) | 2014-05-20 | 2014-05-20 | Buried domestic sewage treatment system |
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| CN203878026U true CN203878026U (en) | 2014-10-15 |
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| CN201420257657.1U Expired - Fee Related CN203878026U (en) | 2014-05-20 | 2014-05-20 | Buried domestic sewage treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979734A (en) * | 2014-05-20 | 2014-08-13 | 乐山市净源水处理设备有限公司 | Buried domestic sewage treatment system |
| CN106830580A (en) * | 2017-04-19 | 2017-06-13 | 江苏雪枫环保科技有限公司 | A kind of many output formula biological sewage processing equipments |
-
2014
- 2014-05-20 CN CN201420257657.1U patent/CN203878026U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979734A (en) * | 2014-05-20 | 2014-08-13 | 乐山市净源水处理设备有限公司 | Buried domestic sewage treatment system |
| CN103979734B (en) * | 2014-05-20 | 2016-04-06 | 乐山市净源水处理设备有限公司 | Embedded type domestic sewage disposal system |
| CN106830580A (en) * | 2017-04-19 | 2017-06-13 | 江苏雪枫环保科技有限公司 | A kind of many output formula biological sewage processing equipments |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20160520 |