CN102757158A - Residence community domestic sewage treating system and method - Google Patents
Residence community domestic sewage treating system and method Download PDFInfo
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- CN102757158A CN102757158A CN201210278143XA CN201210278143A CN102757158A CN 102757158 A CN102757158 A CN 102757158A CN 201210278143X A CN201210278143X A CN 201210278143XA CN 201210278143 A CN201210278143 A CN 201210278143A CN 102757158 A CN102757158 A CN 102757158A
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Abstract
The invention relates to a residence community domestic sewage treating system. The system comprises a black water collection system, an anaerobic acidification reaction tank, an anaerobic gasification reaction tank and an aerobic contact oxidation tank, the black water collection system is communicated with the lower portion of the anaerobic acidification reaction tank through a black water inlet pipe, an outlet of the anaerobic acidification reaction tank is communicated with an inlet of the anaerobic gasification reaction tank, an outlet of the anaerobic gasification reaction tank is communicated with an inlet of the aerobic contact oxidation tank, a brown water collection system is communicated at a position of the inlet of the aerobic contact oxidation tank, the outlet of the aerobic contact oxidation tank is communicated with an aerobic filter tower, a grey water collection system is arranged at a position of an inlet of the aerobic filter tower, a methane collection tank is communicated with the top of the anaerobic acidification reaction tank and the anaerobic gasification reaction tank, the methane collection tank is connected with a gas-fired boiler, the gas-fired boiler is connected into the anaerobic gasification reaction tank through a pipeline, and the inlet of the anaerobic gasification reaction tank is connected with an alkaline liquor adding system through the pipeline. The residence community domestic sewage treating system and a method have the advantages that the system is simple, the sewage treatment effect is good, the construction costs are low, and the land occupation is small.
Description
Technical field
The present invention relates to technical field of sewage, especially a kind of residential quarters domestic sewage processing system and method.
Background technology
The collection of the most local sewage of China at present is the mode of centralized collection and processing with the processing employing; But the residential quarters of building away from cities and towns, remote industrial and mining enterprises are because away from urban wastewater treatment firm, the sewage of its generation can only adopt simple WWT modes such as septic tank; Do not reach the reuse water standard; Not only polluted environment, and, caused waste in the area of shortage of water resources.
Sewage is divided three classes according to its generation source and characteristics: 1. Heisui River comprises the fecal sewage that contains of lavatory or toilet; 2. brown water mainly refers to kitchen waste water; 3. buck comprises laundry, bath wastewater, washing wastewater and Cleaning Wastewater etc.Heisui River only accounts for a seldom part in the sewage, and intractability and processing cost have not only been strengthened in Heisui River and other sewage mixing aftertreatments, and the water quality after handling is lower than the reuse water requirement.The domestic sewage according to water quality treatment process is through different water quality, the water yield being adopted corresponding efficient processing means, whole water treatment efficiency is improved greatly, so corresponding cost of investment being also much lower than traditional water treatment with working cost.The prerequisite that domestic sewage according to water quality is handled is that separate and categorised collection in the source; China is at the perpendicular main of two sewage discharges of the indoor most employing of the dwelling house of building at present; One is located at the kitchen, and one in the toilet, only needs to increase in the toilet standpipe drain in the dwelling house design afterwards; Be used for collecting bucks such as laundry, bathing and just can separate and categorised collection in the realization source, initial investment increases and is few.
(application number: 200710120777.1) disclose a kind of system for processing domestic sewage according to water quality device, this device has compact construction, advantage such as flexible for installation to Chinese patent " system for processing domestic sewage according to water quality ".But there is following defective in this Patent equipment: 1. long flow path, and treatment facility is more; 2. management operating is complicated; 3. sump pump is more, and working cost is high; 4. domestic sewage according to water quality is thinless.
Summary of the invention
The technical problem that the present invention will solve is: in order to solve sanitary sewage disposal long flow path in the prior art; Equipment is many, and the technical problem that working cost is high provides a kind of residential quarters domestic sewage processing system and method; Can intake stage by stage; Carry out branch matter and handle, shorten flow process greatly, improve processing efficiency.
The technical solution adopted for the present invention to solve the technical problems is: a kind of residential quarters domestic sewage processing system; Comprise Heisui River gathering system, anaerobic acidification reaction tank, anaerobism gasification reaction tank and aerobic contact-oxidation pool; Said Heisui River gathering system is communicated with the bottom of anaerobic acidification reaction tank through the Heisui River water inlet pipe; Said anaerobic acidification reaction tank outlet is communicated with the import of anaerobism gasification reaction tank; The outlet of said anaerobism gasification reaction tank is communicated with aerobic contact oxidation pond import; Said aerobic contact oxidation pond ingress also is communicated with brown water collection system, and the outlet in said aerobic contact oxidation pond is communicated with aerobic filter tower, and said aerobic filter tower ingress is provided with grey water collection system; Said anaerobic acidification reaction tank and anaerobism gasification reaction tank top are communicated with the collecting methane jar; The collecting methane jar is connected with the gas fired-boiler that is used for to the heat supply of anaerobism gasification reaction tank, and gas fired-boiler is connected in the anaerobism gasification reaction tank through pipeline, and said anaerobism gasification reaction tank inlet is connected with the alkali lye add-on system through pipeline.
Further; On the inwall in said anaerobic acidification reaction tank exit first triphase separator is installed, is provided with first baffle plate in the said anaerobism gasification reaction tank, first baffle plate is higher than the Chi Kou of anaerobism gasification reaction tank; Said first baffle plate and anaerobism gasification reaction tank inwall is formed for being communicated with the inlet ductwork of anaerobic acidification reaction tank; The bottom is equipped with heat exchanger in the said anaerobism gasification reaction tank, top is equipped with soda acid on-line measurement device and temperature online measuring apparatus, said alkali lye add-on system control soda acid on-line measurement device, and said gas fired-boiler is provided with the regulator control system of regulating gas quantity; Said regulator control system controlled temperature on-line measurement device; Gas fired-boiler connects heat exchanger, on the inwall in anaerobism gasification reaction tank exit second triphase separator is installed, and said aerobic contact oxidation is provided with second baffle in the pond; Second baffle is higher than the Chi Kou in aerobic contact oxidation pond; Said second baffle and aerobic contact oxidation pond inwall are formed for being communicated with the inlet ductwork of anaerobism gasification reaction tank, and the inlet ductwork exit in said aerobic contact oxidation pond is provided with the 3rd triphase separator, and middle part, said aerobic contact oxidation pond is furnished with filler; Aerobic contact oxidation pond inner bottom part is equipped with the aeration regulator control system; Said aeration regulator control system comprises aeration plate, aeration tube, gas blower, dissolved oxygen measuring device and regulation device, and said aeration plate is laid in the bottom, aerobic contact oxidation pond, and said gas blower is arranged on outside the aerobic contact oxidation pond and through aeration tube and connects aeration plate; Said dissolved oxygen measuring device is located at the top in underwater, aerobic contact oxidation pond; Said regulation device is equipped with the 4th triphase separator according to the data regulation and control gas blower work of control dissolved oxygen measuring device on the inwall in the exit in said aerobic contact oxidation pond, and the outlet of said the 4th triphase separator is communicated with overfalling weir; Be provided with water distributor, filtrate and filtrate bracing frame in the said aerobic filter tower; Said filtrate and filtrate bracing frame form filter material layer, and said water distributor is arranged on aerobic filter tower top, and the water distributor below is provided with the multilayer filter material layer; Said filter material layer below is a water leg; The outlet of said overfalling weir is communicated to water distributor through pipeline with the rising pipe of grey water collection system, and the rising pipe of said water leg is communicated with clean water basin, and said anaerobic acidification reaction tank, anaerobism gasification reaction tank and aerobic contact-oxidation pool bottom all are equipped with the mud discharging pipe.
Further, the particle diameter of filter medium in said every metafiltration bed of material reduces in aerobic filter tower from top to bottom gradually.The particle diameter of top filter material layer is big, and the space is big, poor filtration effect, below the particle diameter of filter material layer little effective, guarantee that water quality becomes better and better.
In order to add forced ventilation, avoid producing foul smell on the one hand, for ease of observing and changing filtrate, said filtrate bracing frame cross section is inverted trapezium-shaped on the other hand, and every metafiltration bed of material is embedded being inserted in the aerobic filter tower.Serious when this metafiltration material obstruction, when filtering velocity is very low, only needs to extract this filter material layer out replacing and get final product.
For utilization of resources maximization, said clean water basin water outlet is communicated with reuse water and fastens.
In order to carry out disinfection for the water after filtering, satisfy follow-up use, said water leg top also is equipped with sterilization equipment.
In order to make Heisui River get into back uniform distribution in the anaerobic acidification reaction tank; Heisui River water inlet pipe oral area in the anaerobic acidification reaction tank is provided with up; Water inlet pipe oral area top, said Heisui River also is provided with the conical water distribution baffle plate that is fixed on anaerobic acidification reaction tank inwall, and the tip of said water distribution baffle plate is provided with down.
In order more heat to be provided, also be connected to natural gas line on the said gas fired-boiler to heat exchanger.
In order to realize denitrogenation dephosphorizing efficiently, the bottom in said aerobic contact oxidation pond also is equipped with mud return line, and said mud return line is communicated to the anaerobic acidification reaction tank.
A kind of sewage water treatment method that utilizes the residential quarters domestic sewage processing system has following steps:
A, collect Heisui River, brown water and buck in different gathering systems respectively;
B, Heisui River anaerobic acidification are handled: Heisui River is fed in the anaerobic acidification reaction tank handle, utilize the first triphase separator separated sludge, sewage, obtain organic acid and little of gas;
C, Heisui River anaerobism gasification process: temperature in the control anaerobism gasification reaction tank; Through temperature in the temperature online measuring apparatus monitoring anaerobism gasification reaction tank, regulator control system is controlled the gas fired-boiler temperature through the regulation and control gas quantity, and the interior water temperature of anaerobism gasification reaction tank is remained in ° C scope of 35 ° of C～38; PH value in the control anaerobism gasification reaction tank; To feed anaerobism gasification reaction tank through the sewage of acidification, in anaerobism gasification reaction tank, add alkali lye, regulate pH value in the anaerobism gasification reaction tank through alkali lye add-on system and soda acid on-line measurement device; Make pH value be controlled at 6.8～7.2, organic acid obtains methane gas after handling;
Collection and confinement of gases among d: collection and confinement of gases: step b and the step c is done combustion gas in the collecting methane jar and is used;
E, brown water aerobic treatment: brown water in the brown water collection system and the sewage mixed aeration in the aerobic contact oxidation pond through anaerobic treatment are handled, and aeration regulator control system aeration rate need keep the dissolved oxygen in the aerobic contact oxidation pool inner water to be not less than 2mg/L.
F, grey water handing: the buck in the grey water collection system is got into aerobic filter tower filtration with mix the back through the sewage after the aerobic treatment, obtain clear water;
G, the clear water that filtration among the step f is obtained pump into clean water basin from water leg by water pump, and clean water basin water outlet connection reuse water is fastened and done other usefulness;
The backflow of h, mud and discharging: through the mud discharging tube drainage, part mud is back to the anaerobic acidification reaction tank through mud return line in the aerobic contact oxidation pond with mud unnecessary in anaerobic acidification reaction tank, anaerobism gasification reaction tank and the aerobic contact-oxidation pool.
Further, the alkali lye among the said step c is liming or sodium hydroxide solution.
The invention has the beneficial effects as follows that the present invention adopts Heisui River, brown water, buck categorised collection, water inlet is stage by stage carried out branch matter and is handled, and has reduced the volume of anaerobic reation pool, has reduced construction costs, has reduced occupation of land.Simultaneously carry out acidifying and gasification segmentation, the temperature of assurance gasifying stage and pH value shorten gasifying stage under the top condition of growth methanotrophic bacterial strain greatly; Further reduce volume, the reduction construction costs of anaerobic reation pool; Sewage of the present invention promotes less, and the WWT unit leans on flow by gravity, and working cost is very low; Simple in structure, the convenient installation and operation of system and device; Solved the pollution problem of the residential quarters sewage of building away from cities and towns, remote industrial and mining enterprises, realized reusing sewage simultaneously, saved the pouring of greenery patches, flowers and trees etc. and used tap water.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the schema of residential quarters of the present invention domestic sewage processing system;
Fig. 2 is the structural representation of residential quarters of the present invention domestic sewage processing system.
Among the figure: 1. Heisui River gathering system, 1-1. Heisui River water inlet pipe, 2. anaerobic acidification reaction tank, 2-1. first triphase separator, 2-2. water distribution baffle plate, 3. anaerobism gasification reaction tank; 3-1. first baffle plate, 3-2. heat exchanger, 3-3. soda acid on-line measurement device, 3-4. temperature online measuring apparatus, 3-5. second triphase separator; 4. aerobic contact reacts pond, 4-1. second baffle, 4-2. the 3rd triphase separator, 4-3. filler, 4-4. aeration plate; 4-5. aeration tube, 4-6. gas blower, 4-7. dissolved oxygen measuring device, 4-8. regulation device, 4-9. the 4th triphase separator; 5. brown water collection system, 6. aerobic filter tower, 6-1. water distributor, 6-2. filtrate, 6-3. filtrate bracing frame; 6-4. filter material layer, 6-5. water leg, 7. grey water collection system, 8. collecting methane jar, 9. alkali lye add-on system; 10. overfalling weir, 11. mud discharging pipes, 12. mud return lines, dash-dot arrows is represented mud discharging, dotted arrow representes that mud refluxes.
Embodiment
Combine accompanying drawing that the present invention is done further detailed explanation now.These accompanying drawings are the synoptic diagram of simplification, substruction of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Embodiment
Shown in Figure 2 like Fig. 1; The present invention includes Heisui River gathering system 1, anaerobic acidification reaction tank 2, anaerobism gasification reaction tank 3 and aerobic contact-oxidation pool 4; Heisui River gathering system 1 is communicated with the bottom of anaerobic acidification reaction tank 2 through Heisui River water inlet pipe 1-1; 2 outlets of anaerobic acidification reaction tank are communicated with 3 imports of anaerobism gasification reaction tank, and the outlet of anaerobism gasification reaction tank 3 is communicated with aerobic contact oxidation pond 4 imports, and aerobic contact oxidation pond 4 ingresss also are communicated with brown water collection system 5; The outlet in aerobic contact oxidation pond 4 is communicated with aerobic filter tower 6; Aerobic filter tower 6 ingresss are provided with grey water collection system 7, and anaerobic acidification reaction tank 2 is communicated with collecting methane jar 8 with anaerobism gasification reaction tank 3 tops, and collecting methane jar 8 is connected with the gas fired-boiler that is used for to 3 heat supplies of anaerobism gasification reaction tank; Gas fired-boiler is connected in the anaerobism gasification reaction tank 3 through pipeline; Also be connected to natural gas line on the gas fired-boiler, anaerobism gasification reaction tank 3 inlets are connected with alkali lye add-on system 9 through pipeline, and the Heisui River water inlet pipe 1-1 oral area in anaerobic acidification reaction tank 2 is provided with up; Water inlet pipe 1-1 oral area top, Heisui River also is provided with the conical water distribution baffle plate 2-2 that is fixed on anaerobic acidification reaction tank 2 inwalls, and the tip of water distribution baffle plate 2-2 is provided with down.Make into water uniform distribution in anaerobic acidification reaction tank 2, the organism in the sewage is converted into organic acid in acidulated pool.
The first triphase separator 2-1 is installed on the inwall in anaerobic acidification reaction tank 2 exits; Be provided with the first baffle plate 3-1 in the anaerobism gasification reaction tank 3, the first baffle plate 3-1 is higher than the Chi Kou of anaerobism gasification reaction tank 3, and the first baffle plate 3-1 and anaerobism reaction tank 3 inwalls that gasify are formed for being communicated with the inlet ductwork of anaerobic acidification reaction tank 2; The bottom is equipped with heat exchanger 3-2 in the anaerobism gasification reaction tank 3, top is equipped with soda acid on-line measurement device 3-3 and temperature online measuring apparatus 3-4; Alkali lye add-on system 9 control soda acid on-line measurement device 3-3, gas fired-boiler is provided with the regulator control system of regulating gas quantity, regulator control system controlled temperature on-line measurement device 3-4; Gas fired-boiler connects heat exchanger 3-2; On the inwall in anaerobism gasification reaction tank 3 exits the second triphase separator 3-5 is installed, is provided with second baffle 4-1 in the aerobic contact oxidation pond 4, second baffle 4-1 is higher than the Chi Kou in aerobic contact oxidation pond 4; Second baffle 4-1 and aerobic contact oxidation pond 4 inwalls are formed for being communicated with the inlet ductwork of anaerobism gasification reaction tank 3; The inlet ductwork exit in aerobic contact oxidation pond 4 is provided with the 3rd triphase separator 4-2, and 4 middle parts, aerobic contact oxidation pond are furnished with filler 4-3, and aerobic contact oxidation pond 4 inner bottom parts are equipped with the aeration regulator control system; The aeration regulator control system comprises aeration plate 4-4, aeration tube 4-5, gas blower 4-6, dissolved oxygen measuring device 4-7 and regulation device 4-8; Aeration plate 4-4 is laid in 4 bottoms, aerobic contact oxidation pond, and it is outer also through aeration tube 4-5 connection aeration plate 4-4 that gas blower 4-6 is arranged on aerobic contact oxidation pond 4, and dissolved oxygen measuring device 4-7 is located at the top in underwater, aerobic contact oxidation pond 4; Regulation device 4-8 is according to the data regulation and control gas blower 4-6 work of control dissolved oxygen measuring device 4-7; The 4th triphase separator 4-9 is installed on the inwall in the exit in aerobic contact oxidation pond 4, and the outlet of the 4th triphase separator 4-9 is communicated with overfalling weir 10, is provided with water distributor 6-1, filtrate 6-2 and filtrate bracing frame 6-3 in the aerobic filter tower 6; Filtrate 6-2 and filtrate bracing frame 6-3 form filter material layer 6-4; Filtrate bracing frame 6-3 cross section is inverted trapezium-shaped, and every metafiltration bed of material 6-4 is embedded being inserted in the aerobic filter tower 6, and water distributor 6-1 is arranged on aerobic filter tower 6 tops; Water distributor 6-1 below is provided with multilayer filter material layer 6-4; Filtrate 6-2 particle diameter among every metafiltration bed of material 6-4 reduces in aerobic filter tower 6 from top to bottom gradually, and filter material layer 6-4 below be water leg 6-5, and overfalling weir 10 exports through pipeline and is communicated to water distributor 6-1 with the rising pipe of grey water collection system 7; The rising pipe of water leg 6-5 is communicated with clean water basin, and the clean water basin water outlet is communicated with reuse water and fastens.
Anaerobic acidification reaction tank 2, anaerobism gasification reaction tank 3 and aerobic contact-oxidation pool 4 bottoms all are equipped with mud discharging pipe 11, and the bottom in aerobic contact oxidation pond 4 also is equipped with mud return line 12, and mud return line 12 is communicated to anaerobic acidification reaction tank 2.Like this can be in order to the backflow of discharging excess sludge and mud,, the purposes of reuse water can not establish mud return line, nutritive substances such as the sewage retained part nitrogen after the processing, phosphorus when only being pouring water such as lawn, flowers and trees; When the water quality requirement of reuse water is higher, mud return line is set, is back to anaerobic acidification reaction tank 2 to the mud of aerobic contact-oxidation pool 4, realize denitrogenation dephosphorizing efficiently, improve the water quality of reuse water.
A kind of sewage water treatment method that utilizes has following steps:
A, collect Heisui River, brown water and buck in different gathering systems respectively;
B, Heisui River anaerobic acidification are handled: Heisui River is fed in the anaerobic acidification reaction tank 2 handle, utilize the first triphase separator 2-1 separated sludge, sewage, obtain organic acid and little of gas;
C, Heisui River anaerobism gasification process: temperature in the control anaerobism gasification reaction tank 3; Monitor temperature in the anaerobism gasification reaction tank 2 through temperature online measuring apparatus 3-4, regulator control system is controlled the gas fired-boiler temperature through the regulation and control gas quantity, and anaerobism gasification reaction tank 3 interior water temperatures are remained in ° C scope of 35 ° of C～38; PH value in the control anaerobism gasification reaction tank 3; To feed anaerobism gasification reaction tank 3 through the sewage of acidification, in anaerobism gasification reaction tank 3, add alkali lye, regulate pH value in the anaerobism gasification reaction tank 3 with soda acid on-line measurement device 3-3 through alkali lye add-on system 9; Make pH value be controlled at 6.8～7.2, organic acid obtains methane gas after handling;
Collection and confinement of gases among d: collection and confinement of gases: step b and the step c is done combustion gas in collecting methane jar 8 and is used;
E, brown water aerobic treatment: brown water in the brown water collection system 5 and the sewage mixed aeration in aerobic contact oxidation pond 4 through anaerobic treatment are handled, and aeration regulator control system aeration rate need keep the dissolved oxygen in the 4 interior water of aerobic contact oxidation pond to be not less than 2mg/L.
F, grey water handing: the buck in the grey water collection system 7 is got into aerobic filter tower 6 filtrations with mix the back through the sewage after the aerobic treatment, obtain clear water;
G, the clear water that filtration among the step f is obtained pump into clean water basin from water leg 6-5 by water pump, and clean water basin water outlet connection reuse water is fastened and done other usefulness;
The backflow of h, mud and discharging: through 11 dischargings of mud discharging pipe, part mud is back to anaerobic acidification reaction tank 2 through mud return line 12 in the aerobic contact oxidation pond 4 with mud unnecessary in anaerobic acidification reaction tank 2, anaerobism gasification reaction tank 3 and the aerobic contact-oxidation pool 4.
Organic acid is converted into gases such as methane in anaerobism gasification reaction tank 3, the best life condition of methanobacteria is 35 ° of C～38 ° C of temperature, and pH value is 6.8～7.2.Be provided with heat exchanger 3-2, temperature online measuring apparatus 3-4 and online measurement of acidity device 3-3 in the anaerobism gasification reaction tank 3, and be connected with the regulator control system of outside.The origin of heat of temperature adjusting is in gas fired-boiler; Combustion gas derives from the methane gas of gasification generation and external natural gas; Water-filling, pump water cycle in the heat exchanger 3-2; Control the gas fired-boiler temperature through regulating and control gas quantity, gas fired-boiler connects the heat exchanger 3-2 that is located in the anaerobism gasification reaction tank 3, and anaerobism gasification reaction tank 3 interior water temperatures are remained in ° C scope of 35 ° of C～38.Sewage PH value from anaerobic acidification reaction tank 2 is low; Add the alkali lye regulation and control in the ingress in gasification pond; Make pH value in 6.8～7.2 scope, alkali lye adopts liming or sodium hydroxide solution, and the volume of anaerobism gasification reaction tank 3 is confirmed according to the volume of hydraulic detention time and acidulated pool.
In mixed Heisui River, the ingress in aerobic contact oxidation pond 4, brown water gets into aerobic contact oxidation pond 4 along the 3rd triphase separator 4-2 intermediate gap of 4 ingress, aerobic contact oxidation pond bottoms, the purpose that the 3rd triphase separator 4-2 is set is that the inclusion of air water-in that the aeration plate 4-4 that avoids the bottom to lay sprays forms adverse current.Aeration rate need keep the dissolved oxygen in the 4 interior water of aerobic contact oxidation pond to be not less than 2mg/L, and the volume in aerobic contact oxidation pond 4 is confirmed according to the volume of anaerobic acidification reaction tank 2, the brown water water yield and hydraulic detention time.
Sewage after the process aerobic treatment is at the water distributor 6-1 that after overfalling weir 10 and buck water inlet pipe converge, gets into the aerobic filter tower of multilayer 6 tops under the effect of the 4th triphase separator 4-9.Aerobic filter tower 6-1 adopts the multilayer setting, and from top to bottom, the particle diameter of filtrate 6-2 diminishes gradually.The filtrate bracing frame 6-3 of every metafiltration tower layer 6-4 is designed to down trapezoidal drawer type; Add forced ventilation on the one hand, avoid producing foul smell, be convenient to observe and change filtrate on the other hand; When this metafiltration material stops up serious; When filtering velocity is very low, only needs to extract this metafiltration bed of material 6-4 out replacing and get final product, the bottom of aerobic filter tower 6 is provided with blast inlet, water leg 6-5 and rising pipe.In order to carry out disinfection for the water after filtering, satisfy follow-up use, water leg 6-5 top also is equipped with sterilization equipment and carries out disinfection.
The present invention adopts Heisui River, brown water, buck categorised collection, and water inlet is stage by stage carried out branch matter and handled, and has reduced the volume of anaerobic reation pool, has reduced construction costs, has reduced occupation of land.Simultaneously carry out acidifying and gasification segmentation, the temperature of assurance gasifying stage and pH value shorten gasifying stage under the top condition of growth methanotrophic bacterial strain greatly; Further reduce volume, the reduction construction costs of anaerobic reation pool; Sewage of the present invention promotes less, and the WWT unit leans on flow by gravity, and working cost is very low; Simple in structure, the convenient installation and operation of system and device; Solved the pollution problem of the residential quarters sewage of building away from cities and towns, remote industrial and mining enterprises, realized reusing sewage simultaneously, saved the pouring of greenery patches, flowers and trees etc. and used tap water.
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and through above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification sheets, must confirm its technical scope according to the claim scope.
Claims (11)
1. residential quarters domestic sewage processing system; It is characterized in that: comprise Heisui River gathering system (1), anaerobic acidification reaction tank (2), anaerobism gasification reaction tank (3) and aerobic contact-oxidation pool (4); Said Heisui River gathering system (1) is communicated with the bottom of anaerobic acidification reaction tank (2) through Heisui River water inlet pipe (1-1); Said anaerobic acidification reaction tank (2) outlet is communicated with the import of anaerobism gasification reaction tank (3); The outlet of said anaerobism gasification reaction tank (3) is communicated with aerobic contact oxidation pond (4) import; Said aerobic contact oxidation pond (4) ingress also is communicated with brown water collection system (5); The outlet in said aerobic contact oxidation pond (4) is communicated with aerobic filter tower (6); Said aerobic filter tower (6) ingress is provided with grey water collection system (7), and said anaerobic acidification reaction tank (2) and anaerobism gasification reaction tank (3) top are communicated with collecting methane jar (8), and collecting methane jar (8) is connected with the gas fired-boiler that is used for to the heat supply of anaerobism gasification reaction tank (3); Gas fired-boiler is connected in the anaerobism gasification reaction tank (3) through pipeline, and said anaerobism gasification reaction tank (3) inlet is connected with alkali lye add-on system (9) through pipeline.
2. residential quarters as claimed in claim 1 domestic sewage processing system; It is characterized in that: on the inwall in said anaerobic acidification reaction tank (2) exit first triphase separator (2-1) is installed; Be provided with first baffle plate (3-1) in the said anaerobism gasification reaction tank (3); First baffle plate (3-1) is higher than the Chi Kou of anaerobism gasification reaction tank (3); Said first baffle plate (3-1) and anaerobism gasification reaction tank (3) inwall is formed for being communicated with the inlet ductwork of anaerobic acidification reaction tank (2); The interior bottom of said anaerobism gasification reaction tank (3) is equipped with heat exchanger (3-2), top is equipped with soda acid on-line measurement device (3-3) and temperature online measuring apparatus (3-4), said alkali lye add-on system (9) control soda acid on-line measurement device (3-3), and said gas fired-boiler is provided with the regulator control system of regulating gas quantity; Said regulator control system controlled temperature on-line measurement device (3-4); Gas fired-boiler connects heat exchanger (3-2), on the inwall in anaerobism gasification reaction tank (3) exit second triphase separator (3-5) is installed, and is provided with second baffle (4-1) in the said aerobic contact oxidation pond (4); Second baffle (4-1) is higher than the Chi Kou of aerobic contact oxidation pond (4); Said second baffle (4-1) and aerobic contact oxidation pond (4) inwall are formed for being communicated with the inlet ductwork of anaerobism gasification reaction tank (3), and the inlet ductwork exit in said aerobic contact oxidation pond (4) is provided with the 3rd triphase separator (4-2), and middle part, said aerobic contact oxidation pond (4) is furnished with filler (4-3); Aerobic contact oxidation pond (4) inner bottom part is equipped with the aeration regulator control system; Said aeration regulator control system comprises aeration plate (4-4), aeration tube (4-5), gas blower (4-6), dissolved oxygen measuring device (4-7) and regulation device (4-8), and said aeration plate (4-4) is laid in the bottom, aerobic contact oxidation pond (4), and it is outer also through aeration tube (4-5) connection aeration plate (4-4) that said gas blower (4-6) is arranged on aerobic contact oxidation pond (4); Said dissolved oxygen measuring device (4-7) is located at the top of underwater, aerobic contact oxidation pond (4); Said regulation device (4-8) is equipped with the 4th triphase separator (4-9) according to data regulation and control gas blowers (4-6) work of control dissolved oxygen measuring device (4-7) on the inwall in the exit in said aerobic contact oxidation pond (4), the outlet of said the 4th triphase separator (4-9) is communicated with overfalling weir (10); Be provided with water distributor (6-1), filtrate (6-2) and filtrate bracing frame (6-3) in the said aerobic filter tower (6); Said filtrate (6-2) and filtrate bracing frame (6-3) form filter material layer (6-4), and said water distributor (6-1) is arranged on aerobic filter tower (6) top, and water distributor (6-1) below is provided with multilayer filter material layer (6-4); Said filter material layer (6-4) below is water leg (6-5); Said overfalling weir (10) outlet is communicated to water distributor (6-1) through pipeline with the rising pipe of grey water collection system (7), and the rising pipe of said water leg (6-5) is communicated with clean water basin, and said anaerobic acidification reaction tank (2), anaerobism gasify and mud discharging pipe (11) all be installed bottom reaction tank (3) and the aerobic contact-oxidation pool (4).
3. residential quarters as claimed in claim 2 domestic sewage processing system is characterized in that: filtrate (6-2) particle diameter in said every metafiltration bed of material (6-4) reduces in aerobic filter tower (6) from top to bottom gradually.
4. residential quarters as claimed in claim 2 domestic sewage processing system is characterized in that: said filtrate bracing frame (6-3) cross section is inverted trapezium-shaped, and every metafiltration bed of material (6-4) is embedded being inserted in the aerobic filter tower (6).
5. residential quarters as claimed in claim 2 domestic sewage processing system is characterized in that: said clean water basin water outlet is communicated with reuse water and fastens.
6. residential quarters as claimed in claim 2 domestic sewage processing system is characterized in that: said water leg (6-5) top also is equipped with sterilization equipment.
7. according to claim 1 or claim 2 residential quarters domestic sewage processing system; It is characterized in that: Heisui River water inlet pipe (1-1) oral area in anaerobic acidification reaction tank (2) is provided with up; Said Heisui River water inlet pipe (1-1) oral area top also is provided with the conical water distribution baffle plate (2-2) that is fixed on anaerobic acidification reaction tank (2) inwall, and the tip of said water distribution baffle plate (2-2) is provided with down.
8. according to claim 1 or claim 2 residential quarters domestic sewage processing system is characterized in that: also be connected to natural gas line on the said gas fired-boiler.
9. according to claim 1 or claim 2 residential quarters domestic sewage processing system; It is characterized in that: the bottom in said aerobic contact oxidation pond (4) also is equipped with mud return line (12), and said mud return line (12) is communicated to anaerobic acidification reaction tank (2).
10. sewage water treatment method that utilizes each described residential quarters domestic sewage processing system of claim 1 ~ 9 is characterized in that having following steps:
A, collect Heisui River, brown water and buck in different gathering systems respectively;
B, Heisui River anaerobic acidification are handled: Heisui River is fed in the anaerobic acidification reaction tank (2) handle, utilize first triphase separator (2-1) separated sludge, sewage, obtain organic acid and little of gas;
C, Heisui River anaerobism gasification process: the interior temperature of control anaerobism gasification reaction tank (3); Through the interior temperature of temperature online measuring apparatus (3-4) monitoring anaerobism gasification reaction tank (2); Regulator control system is controlled the gas fired-boiler temperature through the regulation and control gas quantity; The interior water temperature of anaerobism gasification reaction tank (3) is remained in ° C scope of 35 ° of C～38, and the interior pH value of control anaerobism gasification reaction tank (3) will feed anaerobism gasification reaction tank (3) through the sewage of acidification; In anaerobism gasification reaction tank (3), add alkali lye; Regulate the interior pH value of anaerobism gasification reaction tank (3) through alkali lye add-on system (9) and soda acid on-line measurement device (3-3), make pH value be controlled at 6.8～7.2, organic acid obtains methane gas after handling;
Collection and confinement of gases among d: collection and confinement of gases: step b and the step c is done combustion gas in collecting methane jar (8) and is used;
E, brown water aerobic treatment: brown water in the brown water collection system (5) and the sewage mixed aeration in aerobic contact oxidation pond (4) through anaerobic treatment are handled, and aeration regulator control system aeration rate need keep the dissolved oxygen in the interior water in aerobic contact oxidation pond (4) to be not less than 2mg/L.
F, grey water handing: the buck in the grey water collection system (7) is got into aerobic filter tower (6) filtration with mix the back through the sewage after the aerobic treatment, obtain clear water;
G, the clear water that filtration among the step f is obtained pump into clean water basin from water leg (6-5) by water pump, and clean water basin water outlet connection reuse water is fastened and done other usefulness;
The backflow of h, mud and discharging: through mud discharging pipe (11) discharging, part mud is back to anaerobic acidification reaction tank (2) through mud return line (12) in aerobic contact oxidation pond (4) with mud unnecessary in anaerobic acidification reaction tank (2), anaerobism gasification reaction tank (3) and the aerobic contact-oxidation pool (4).
11. sewage water treatment method as claimed in claim 10 is characterized in that: the alkali lye among the said step c is liming or sodium hydroxide solution.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001517150A (en) * | 1997-04-01 | 2001-10-02 | バークマン，エリーザー | Household waste liquid purification system |
| US20030070986A1 (en) * | 1998-06-03 | 2003-04-17 | Ulrich Braun | Method and device for sewage treatment |
| CN101928093A (en) * | 2009-06-24 | 2010-12-29 | 中国科学院研究生院 | Distributed domestic sewage source separation treatment and reclamation method |
| CN201857324U (en) * | 2010-09-04 | 2011-06-08 | 朱定义 | Ecological domestic sewage treatment system |
-
2012
- 2012-08-07 CN CN201210278143XA patent/CN102757158B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001517150A (en) * | 1997-04-01 | 2001-10-02 | バークマン，エリーザー | Household waste liquid purification system |
| US20030070986A1 (en) * | 1998-06-03 | 2003-04-17 | Ulrich Braun | Method and device for sewage treatment |
| CN101928093A (en) * | 2009-06-24 | 2010-12-29 | 中国科学院研究生院 | Distributed domestic sewage source separation treatment and reclamation method |
| CN201857324U (en) * | 2010-09-04 | 2011-06-08 | 朱定义 | Ecological domestic sewage treatment system |
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