CN210796135U - Biogas slurry wastewater treatment system of integral type - Google Patents
Biogas slurry wastewater treatment system of integral type Download PDFInfo
- Publication number
- CN210796135U CN210796135U CN201921782631.8U CN201921782631U CN210796135U CN 210796135 U CN210796135 U CN 210796135U CN 201921782631 U CN201921782631 U CN 201921782631U CN 210796135 U CN210796135 U CN 210796135U
- Authority
- CN
- China
- Prior art keywords
- tank
- unit
- reflux
- denitrification
- ammonia oxidation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model belongs to the technical field of water treatment, natural pond liquid waste water treatment, a natural pond liquid waste water treatment system of integral type and processing technology thereof is disclosed. The system comprises a coagulating sedimentation unit, a shortcut nitrification and denitrification anaerobic ammonia oxidation unit, a sedimentation reflux unit, a buffer regulation unit, a denitrification unit, a nitrosation unit and a secondary sedimentation reflux unit which are connected in sequence; the precipitation reflux unit and the shortcut nitrification and denitrification anaerobic ammonia oxidation unit form a reflux branch, and the secondary precipitation reflux unit and the denitrification unit form a reflux branch. The utility model discloses a natural pond liquid effluent disposal system of an integral type of a container form can be along with the flexible solution of van everywhere produces the mill of little water yield natural pond liquid, need not to build large-scale natural pond liquid treatment facility, reduces the environmental protection facility and takes up an area of and economizes the environmental protection construction expense. The utility model discloses a processing system can solve the pollutant processing problem of natural pond liquid and similar waste water.
Description
Technical Field
The utility model belongs to the technical field of water is handled, natural pond liquid waste water treatment, the utility model relates to a natural pond liquid waste water treatment system of integral type.
Background
The biogas slurry wastewater has the characteristics of high nitrogen and low carbon water quality. Especially where high free ammonia inhibits conventional biological treatment processes, treatment by membrane methods is costly and also does not completely address the problem of contaminants. Many biogas slurry plants producing small amounts of water are scattered and it is economically prohibitive for small plants to concentrate the pipe network and build a complete set of sewage treatment facilities.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a biogas slurry wastewater treatment system of an integrated type. The utility model discloses a natural pond liquid effluent disposal system of an integral type of a container form can be along with the flexible solution of van everywhere produces the mill of little water yield natural pond liquid, need not to build large-scale natural pond liquid treatment facility, reduces the environmental protection facility and takes up an area of and economizes the environmental protection construction expense. The treatment system and the treatment process of the utility model can solve the problem of pollutant treatment of biogas slurry and similar wastewater.
The above object of the present invention is achieved by the following technical solutions:
an integrated biogas slurry wastewater treatment system: the system comprises a coagulating sedimentation unit, a shortcut nitrification and denitrification anaerobic ammonia oxidation unit (SNAD unit), a sedimentation backflow unit, a buffer regulation unit, a denitrification unit, a nitrosation unit and a secondary sedimentation backflow unit which are connected in sequence; the precipitation reflux unit and the shortcut nitrification and denitrification anaerobic ammonia oxidation unit form a reflux branch, and the secondary precipitation reflux unit and the denitrification unit form a reflux branch; an operation room is arranged in the biogas slurry treatment system, and an aeration fan, a triplet groove, a coagulation dispensing groove and a carbon source storage tank are sequentially arranged at the bottom of the operation room; the aeration fan is connected with a fan pipeline and connected with the SNAD reaction tank, the fan pipeline in the SNAD reaction tank is connected with an aeration device in the SNAD reaction tank, a water inlet lifting pump and an online instrument detection group are arranged in an operation room, and a probe of the online instrument detection group is connected with the inside of the SNAD reaction tank; a stirrer B and a filtering screen are also arranged in the SNAD reaction tank; the sedimentation reflux unit is internally provided with a sedimentation reflux groove A and an electric control room which are sequentially connected; an overflow weir is arranged inside the sedimentation reflux groove A; the bottom of the electric control room is provided with a circulating pump, a reflux pump, an electric control cabinet and an aeration fan which are connected in sequence; an aeration fan pipeline in the electric control room is connected to an aeration device of the nitrifying tank, a circulating pump in the electric control room is connected with the upper end and the lower end of the sedimentation reflux tank A, and a reflux pump in the electric control room is connected with the lower end of the sedimentation reflux tank A and the upper end of the SNAD reaction tank; a wired instrument detection group is arranged in the electric control room, and a probe of the wired instrument detection group is connected into the nitrifying tank; the buffer adjusting unit is provided with a buffer adjusting groove, the buffer adjusting groove is provided with a stirrer, a tap water hose is connected in the buffer adjusting groove in an internal connection mode, and a guide plate is arranged on the side wall of the buffer adjusting groove; the denitrification unit is provided with a denitrification tank, the denitrification tank is provided with a stirrer, and the side wall of the denitrification tank is provided with a guide plate; a guide plate is arranged on the side wall of the nitrifying tank; the secondary precipitation reflux unit is internally provided with a precipitation reflux tank B and a device room which are sequentially connected; an overflow weir is arranged inside the sedimentation reflux tank B; the bottom of the equipment room is provided with a circulating pump and a reflux pump which are connected in sequence, the circulating pump in the equipment room is connected with the upper end and the lower end of the sedimentation reflux tank B, and the reflux pump is connected with the lower end of the sedimentation reflux tank B and the upper end of the denitrification tank.
The interior of the triplet groove is provided with a dephosphorization groove, a precipitation groove and a water collecting groove which are sequentially connected, and the triplet groove is made of steel; the front end in the triplet groove is provided with a stirrer A and a biogas slurry wastewater inlet end.
The online instrument detection group comprises an ammonia nitrogen online instrument, a pH online instrument and a dissolved oxygen online instrument which are connected with each other. And an online instrument detection group in the operation room is used for monitoring the water quality state of the SNAD reaction tank. And an online instrument detection group in the electric control room is used for monitoring the water quality state in the nitrifying tank.
The front end of the triplet groove is provided with a stirrer, the coagulating and dispensing groove is provided with a stirrer, a liquid level meter and a dosing metering pump, and the dosing metering pump is connected with the coagulating and dispensing groove and a first groove body at the front end of the triplet groove through a rigid polyvinyl chloride (UPVC) pipeline. The carbon source storage tank is provided with a stirrer, a liquid level meter and a metering pump, and the metering pump arranged on the carbon source storage tank is connected with the buffer adjusting tank. The water inlet lift pump is connected with the end tank body of the triplet tank and the SNAD reaction tank.
The SNAD reaction tank is arranged in the shortcut nitrification-denitrification anaerobic ammonia oxidation unit, and the SNAD reaction tank is called as the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank. The nitrosation tank is arranged in the nitrosation unit.
Furthermore, the fan pipeline is connected with the SNAD reaction tank through a flange.
Furthermore, the operation room, the SNAD reaction tank, the precipitation reflux tank A, the electric control room, the buffer adjusting tank, the denitrification tank, the nitrosation tank, the precipitation reflux tank B and the equipment room are separated by stainless steel plates. The stainless steel plate can be SUS 304.
Further, the overflow weir is a triangular overflow weir.
Furthermore, 2 aeration fans are arranged in the operating room.
The process that the natural pond liquid wastewater treatment system natural pond liquid of integral type was handled does, and natural pond liquid intake enters into the steel triplet groove earlier, gets into SNAD reaction tank by the elevator pump that intakes again, and natural pond liquid passes through filter screen cloth after SNAD reaction tank reaction, and natural pond liquid gets into and deposits backward flow groove A, and the filler in the SNAD reaction tank is held back by the screen cloth. The biogas slurry of the reflux precipitation tank A automatically flows to the buffer adjustment tank through the overflow weir, the buffer adjustment tank automatically flows to the denitrification tank, the nitrifying tank and the reflux precipitation tank B in sequence after buffer adjustment, and finally the effluent is discharged from the overflow weir of the reflux precipitation tank B.
The application process of the integrated biogas slurry wastewater treatment system specifically comprises the following steps:
s1, pumping biogas slurry wastewater into a coagulating sedimentation unit through a pump, and mainly removing suspended matters in the biogas slurry wastewater and phosphorus with an inhibiting effect on anaerobic ammonium oxidation bacteria through the coagulating sedimentation unit;
s2, pumping the biogas slurry wastewater subjected to coagulating sedimentation into a shortcut nitrification and denitrification anaerobic ammonia oxidation unit through a water inlet lift pump; the process parameters of the shortcut nitrification-denitrification anaerobic ammonia oxidation process unit are controlled at the temperature of 30-38 ℃ and the dissolved oxygen of 0.2-0.5 mg/L; stirring the short-cut nitrification and denitrification anaerobic ammonia oxidation unit by adopting a mechanical stirrer with the rotating speed of 60-90 revolutions per minute, wherein a fluidized bed filler with the particle size of 1-2cm is arranged in the short-cut nitrification and denitrification anaerobic ammonia oxidation unit; used for removing total nitrogen and carbon-containing organic matters;
s3, enabling the effluent of the SNAD unit to enter a precipitation reflux unit with a reflux ratio of 200%, intercepting strains and diluting the intake water pollutant load of the SNAD unit by the precipitation reflux unit, enabling supernatant to enter a buffer adjusting unit, opening a tap water inlet pipe of a buffer tank through feedback of an ammonia nitrogen online instrument and an electromagnetic valve, adjusting the water quality in time through clean water, and closing the electromagnetic valve after inhibition is removed;
s4, the total nitrogen and the carbon-containing organic matters cannot be further degraded by only depending on the SNAD unit, so that the total nitrogen and the carbon-containing organic matters are further removed by the denitrification unit and the nitrosation unit, the nitrosation unit can degrade the surplus carbon source and further reduce the ammonia nitrogen concentration, and 200% of the nitrite nitrogen flows back to the denitrification unit to form nitrogen removal.
Further, the coagulant used in the coagulation precipitation unit in the step S1 is an industrial ferric trichloride solution with a mass concentration of 30% -40%, and the adding proportion is 30-40 times of the mass concentration of the total phosphorus in the biogas slurry wastewater.
Further, step S1 is specifically that biogas slurry wastewater enters a coagulating sedimentation water collection triplet tank of a biogas slurry operation room through a pump, a mixer with the rotation speed of 200r/min is arranged on the coagulating tank, a water inlet pump and a coagulant dosing metering pump are started in a chain manner during water inlet, dosing is performed to remove suspended matters and phosphorus, supernatant is collected in the water collection tank, and biogas slurry is input into the shortcut nitrification-denitrification anaerobic ammonia oxidation unit by controlling the start and stop of a water inlet lift pump through liquid level.
Further, in the step S2, a bacterial membrane for composite nitrosation, denitrification and anaerobic ammonium oxidation is hung in the filler, the bacterial concentration is about 5-6kg/m3, and the filling proportion is 25% -35%.
Furthermore, in step S3, the buffering and adjusting unit is a processing unit for preventing the water quality fluctuation from the former stage, and the generation of the inhibitor impact on the downstream, and in addition, the buffering and adjusting unit is used for providing the carbon source for the latter denitrification unit.
Further, in the step S4, the denitrification unit is added by a buffer adjusting unit according to the mass concentration of 1:4-5 of the carbon-nitrogen ratio by supplementing sodium acetate as a carbon source; the denitrification unit is in an anaerobic environment, a mechanical stirrer is arranged in the denitrification unit for stirring, the nitrosation unit is provided with a microporous aerator, and the dissolved oxygen is controlled to be 2-4 mg/L.
Compared with the prior art, the utility model beneficial effect be:
(1) the utility model provides an integrated biogas slurry wastewater treatment system; can treat 1-1.5m3/d of biogas slurry, the total nitrogen concentration of the biogas slurry is 1600mg/L, and the final effluent can reach the discharge standard of urban sewer water quality.
(2) The utility model provides an integrated biogas slurry wastewater treatment system; in the shortcut nitrification-denitrification anaerobic ammonium oxidation unit: the nitrosobacteria and the anaerobic ammonia oxidation bacteria both belong to chemoautotrophic bacteria, the nitrosobacteria utilize oxygen in water to perform biochemical reaction with ammonia nitrogen, the ammonia nitrogen can be converted into nitrite nitrogen which can be utilized by the anaerobic ammonia oxidation bacteria, molecular oxygen serves as an electron donor in the conversion process, and the ammonia nitrogen serves as an electron acceptor. The anaerobic ammonia oxidation bacteria generate nitrogen through biochemical reaction between nitrite nitrogen and ammonia nitrogen in sewage and discharge the nitrogen out of a water body, wherein the ammonia nitrogen is an electron donor and the nitrite nitrogen is an electron acceptor in the reaction process. The theoretical removal rate of total nitrogen in the whole process can reach 89%, and the removal rate of total nitrogen is increased due to the composite shortcut nitrifying bacteria and denitrifying bacteria, so that the removal rate of total nitrogen is about 80% under normal working conditions, and the removal rate of carbon-containing organic matters is about 20%.
(3) The technical scheme of the utility model the natural pond liquid that the small factory produced and the processing problem of similar waste water have been solved, area is little, and flexible, the suitability is strong, the environmental protection construction investment cost of each small factory that significantly reduces.
(4) The technical scheme of the utility model the problem of little water yield natural pond liquid waste water's processing is solved, the utility model discloses processing system can solve the high free ammonia natural pond liquid waste water that conventional biological treatment process method can't be handled to it has reduced environmental protection area and environmental protection investment cost to handle each department's natural pond liquid waste water with flexible form. Can be applied to the treatment of biogas slurry sewage and wastewater and water bodies with similar water quality.
Drawings
FIG. 1 is a structural block diagram of the biogas slurry wastewater treatment system of the utility model.
Fig. 2 is a schematic structural diagram of fig. 1.
FIG. 3 is a schematic plan view of the distribution of internal partitions in example 1.
In the figure, 1, a shortcut nitrification and denitrification anaerobic ammonia oxidation unit, 2, a precipitation reflux unit, 3, a buffer adjustment unit, 4, a denitrification unit, 5, a nitrosation unit, 6, a secondary precipitation reflux unit, 7, a coagulating sedimentation unit, 8, an aeration fan C, 9, a triplet tank, 10, a stirrer A, 11, a metering pump, 12, a liquid level meter, 13, a dissolved oxygen online instrument, 14, a pH online instrument, 15, an ammonia nitrogen online instrument, 16, a coagulating distribution tank, 17, a carbon source storage tank, 18, a water collecting tank end, 19, a tap water hose, 20, a biogas slurry wastewater inlet end, 21, an aerator, 22, a stirrer B, 23, a filter screen, 24, an overflow weir A, 25, a circulating pump A, 26, a reflux pump A, 27, an electric control cabinet, 28, a guide plate, 29, a water outlet pipe of the precipitation reflux tank A, 30, an operation room, 31, a shortcut nitrification and denitrification anaerobic ammonia oxidation reaction tank are arranged in sequence, 32. the system comprises a sedimentation reflux tank A, a sedimentation reflux tank 33, an electric control room 34, a buffer adjusting tank 35, a denitrification tank 36, a nitrifying tank 37, a sedimentation reflux tank B, a device room 38, an aeration fan A39, a stirrer C40, a stirrer 41, a stirrer D, a circulating pump B42, a circulating pump 43, a reflux pump B, a reflux pump 44, an overflow weir B, an 8-1 aeration fan B, a 10-1 stirrer E and a 10-2 stirrer F.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, but the scope of the invention is not limited thereto. If no special description is provided, the experimental methods adopted by the utility model are conventional methods, and experimental devices, materials, reagents, composite nitrosobacteria, denitrifying bacteria, anaerobic ammonium oxidation bacteria and the like can be obtained from commercial approaches.
Example 1
An integrated biogas slurry wastewater treatment system; equipment external dimensions of the system: 6.4m × 2.1m × 2.5m (length, width and height), the main body is made of SUS304 stainless steel structure, and the distribution of internal partitions is shown in FIGS. 1 and 3. The system comprises a coagulation precipitation unit 7, a short-cut nitrification and denitrification anaerobic ammonia oxidation unit 1, a precipitation reflux unit 2, a buffer regulation unit 3, a denitrification unit 4, a nitrosation unit 5 and a secondary precipitation reflux unit 6 which are connected in sequence; the precipitation reflux unit 2 and the shortcut nitrification and denitrification anaerobic ammonia oxidation unit 1 form a reflux branch, and the secondary precipitation reflux unit 6 and the denitrification unit 4 form a reflux branch; an operation room 30 is arranged in the coagulating sedimentation unit 1, and an aeration fan C8, an aeration fan B8-1, a triplet tank 9, a coagulating and dispensing tank 16 and a carbon source storage tank 17 are sequentially arranged at the bottom of the operation room 30; the aeration fan is connected with a fan pipeline and connected with the SNAD reaction tank 31, the fan pipeline in the SNAD reaction tank 31 is connected with an aeration device in the SNAD reaction tank 31, the operation room 30 is provided with a water inlet lift pump and an online instrument detection group, and a probe of the online instrument detection group is connected with the inside of the SNAD reaction tank 31; a stirrer B22 and a filtering screen 23 are also arranged in the SNAD reaction tank 31; the sedimentation reflux unit 2 is internally provided with a sedimentation reflux groove A32 and an electric control room 33 which are sequentially connected; an overflow weir A24 is arranged in the sedimentation reflux groove A32; the bottom of the electric control room 33 is provided with a circulating pump A25, a reflux pump A26, an electric control cabinet 27 and an aeration fan A39 which are connected in sequence; an aeration fan A39 in the electric control room 33 is connected with an aeration device of the nitrifying tank 36 through a fan pipeline, a circulating pump A25 in the electric control room 33 is connected with the upper end and the lower end of the sedimentation reflux tank A32, and a reflux pump A26 in the electric control room 33 is connected with the lower end of the sedimentation reflux tank A32 and the upper end of the SNAD reaction tank 31; a wired instrument detection group is arranged in the electric control room 33, and a probe of the wired instrument detection group is connected into the nitrifying tank 36; the buffer adjusting unit 3 is provided with a buffer adjusting groove 34, the buffer adjusting groove 34 is provided with a stirrer C40, a tap water hose is connected in the buffer adjusting groove, and a guide plate is arranged on the side wall of the buffer adjusting groove; the denitrification unit 4 is provided with a denitrification tank 35, the denitrification tank 35 is provided with a stirrer D41, and the side wall of the denitrification tank is provided with a guide plate; a guide plate is arranged on the side wall of the nitrifying tank 36; the secondary precipitation reflux unit 6 is internally provided with a precipitation reflux groove B37 and an equipment room 38 which are sequentially connected; an overflow weir is arranged in the sedimentation reflux tank B37; the bottom of the equipment room 38 is provided with a circulating pump B42 and a reflux pump B43 which are connected in sequence, the circulating pump B42 in the equipment room 38 is connected with the upper end and the lower end of the sedimentation reflux tank B37, and the reflux pump B43 is connected with the lower end of the sedimentation tank B37 and the upper end of the denitrification tank 35.
The interior of the triplet groove 9 is provided with a dephosphorization groove, a precipitation groove and a water collecting groove which are connected in sequence, and the triplet groove 9 is made of steel; and a stirrer A10 and a biogas slurry wastewater inlet end 20 are arranged at the front end inside the triplet groove 9.
The online instrument detection group comprises an ammonia nitrogen online instrument 15, a pH online instrument 14 and a dissolved oxygen online instrument 13 which are connected with each other. The on-line instrumentation group of the operating room 30 is used to monitor the water quality status of the SNAD reaction tank 31. An on-line instrumentation group in the electronic control room 33 is used to monitor the water quality status in the nitrifying tank 36.
The front end of the triplet groove 9 is provided with a stirrer E10-1, the coagulating and dispensing groove 16 is provided with a stirrer F10-2, a liquid level meter 12 and a dosing meter, and the dosing metering pump is connected with the coagulating and dispensing groove 16 and a first groove body at the front end in the triplet groove 9 through a UPVC (unplasticized polyvinyl chloride) pipeline. The carbon source storage tank 17 is provided with a stirrer, a liquid level meter and a metering pump, and the metering pump arranged on the carbon source storage tank 17 is connected with the buffer adjusting tank 34. The water inlet lift pump is connected with the end tank body of the triplet tank 9 and the SNAD reaction tank 31.
The SNAD reaction tank 31 is arranged in the shortcut nitrification-denitrification anaerobic ammonia oxidation unit 1, and the SNAD reaction tank 31 is called the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank 31. The nitrosation tank 36 is provided in the nitrosation unit 5.
The integrated biogas slurry wastewater treatment system comprises the following specific treatment processes:
s1, pumping biogas slurry wastewater into a coagulating sedimentation water collection triplet groove 9 of a biogas slurry operation room, matching a stirrer with the rotation speed of 200r/min on a coagulating and dispensing groove 16, feeding water and opening a coagulant dosing metering pump in a linkage manner to add drugs and remove suspended matters and phosphorus while feeding water, collecting supernatant in a water collecting groove, controlling the start and stop of a water inlet lifting pump through liquid level, and inputting biogas slurry into a shortcut nitrification and denitrification anaerobic ammonia oxidation unit 1 (hereinafter referred to as SNAD unit).
S2, enabling the SNAD unit 1 to stay for 4-4.5 days by water power, arranging a diaphragm type microporous aerator in the SNAD unit 1, controlling the dissolved oxygen to be 0.2mg/L, arranging a flowing bed filler with a filling rate of 25% in the SNAD unit, growing a bacterial membrane of composite nitrosobacteria, denitrifying bacteria and anaerobic ammonium oxidation bacteria in the filler, and stirring the flowing bed filler by a stirrer to fully mix pollutants in water with the filler, wherein the pollutants are degraded under the action of microorganisms. The compound bacteria belongs to archaea, can tolerate extreme high ammonia nitrogen environment, and is the capacity that biological methods such as other nitrifying bacteria and the like do not have. Be equipped with online instrument 15 of ammonia nitrogen, online instrument 13 of dissolved oxygen, the online instrument 14 probe monitoring water quality condition of pH in SNAD unit 1, water quality is equipped with two ammonia nitrogen warning lines, and when the pollutant breached the low warning line, through ammonia nitrogen online instrument 15 and aeration fan interlock control dissolved oxygen concentration, the proportion of ammonia nitrogen and nitrite nitrogen that dissolved oxygen concentration can adjust SNAD unit 1. When the ammonia nitrogen breaks through the high warning line, the equipment stops water inlet, a tap water inlet pipe of the buffer adjusting tank 34 is opened through the feedback of the ammonia nitrogen online instrument 15 and the electromagnetic valve, the water quality is adjusted in time through clear water, and the electromagnetic valve is closed after the inhibition is removed; the ammonia nitrogen online instrument 15 continues the fan linkage control biochemical reaction proportion until the alarm is relieved. The outlet of the SNAD unit 1 is provided with a filler screen, and the screen has a larger surface area, so that the filler can be prevented from being intercepted and entering the precipitation reflux unit 2 while being stacked on the screen.
S3, enabling the biogas slurry in the SNAD unit 1 to automatically flow into the precipitation reflux unit 2, enabling the precipitation reflux unit 2 to intercept strains and return to the short-cut nitrification and denitrification anaerobic ammonia oxidation unit 1 in a reflux mode, and enabling the SNAD unit 1 to have strong load impact resistance through 200% of reflux. Deposit backward flow unit 2 and be equipped with circulating pump and backwash pump, the circulating pump lets deposit the backwash of groove A32 bottom and have mobility, prevents that the bacterial sludge from piling up and forming the dead zone. The reflux pump refluxes the mixed bacterial sludge to SNAD unit 1.
The buffer adjusting tank 34 is used for adjusting water quality, when the water inlet pump is started, the carbon source dosing pump is started at the same time, and the supplemented carbon source is used for denitrification of the later section.
S4, the denitrification unit 4 and the nitrosation unit 5 stay for 2-3 days in a hydraulic mode, the denitrification unit 4 and the nitrosation unit 5 are used for further degrading carbon-containing organic matters and total nitrogen, and a stirrer with the rotating speed of 60-90r/min is arranged in the denitrification unit 4 and used for fully mixing and preventing bacterial flocs from being scattered. The bottom of the nitrosation unit 5 is provided with a diaphragm type microporous aerator, dissolved oxygen is controlled to be 2mg/L, nitrosation bacteria are arranged in the nitrosation unit 5 and are in a suspended sludge shape, the bacteria sludge concentration is 4000-.
The unit removal rate tables are shown in table 1 below:
TABLE 1 Elimination Rate Table for units
Above-mentioned table data shows, the utility model provides a natural pond liquid processing system can have very high clearance to total nitrogen pollutant under high ammonia nitrogen, low concentration chemical oxygen demand condition, is applicable to the waste water treatment of low carbon-nitrogen ratio very much.
The comparison table of the treatment process of different systems and the technical scheme of the application is shown in the following table 2:
table 2 comparison table of different system treatment processes and technical solutions of the present application
The embodiments described above are only preferred embodiments of the present invention, and are not all possible embodiments of the present invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.
Claims (3)
1. An integrated biogas slurry wastewater treatment system is characterized by comprising a coagulation precipitation unit (7), a short-cut nitrification and denitrification anaerobic ammonia oxidation unit (1), a precipitation reflux unit (2), a buffer regulation unit (3), a denitrification unit (4), a nitrosation unit (5) and a secondary precipitation reflux unit (6) which are connected in sequence; the precipitation reflux unit (2) and the partial nitrification and denitrification anaerobic ammonia oxidation unit (1) form a reflux branch, and the secondary precipitation reflux unit (6) and the denitrification unit (4) form a reflux branch; an operation room (30) is arranged in the coagulating sedimentation unit (7), and an aeration fan, a triplet groove (9), a coagulating and dispensing groove (16) and a carbon source storage tank (17) are sequentially arranged at the bottom of the operation room (30); the aeration fan is connected with a fan pipeline and is connected with the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank (31), the fan pipeline in the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank (31) is connected with an aeration device in the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank, and a sedimentation reflux tank A (32) and an electric control room (33) are sequentially connected in the sedimentation reflux unit (2); an overflow weir is arranged in the sedimentation reflux groove A (32); the bottom of the electric control room (33) is provided with a circulating pump A (25), a reflux pump A (26), an electric control cabinet (27) and an aeration fan A (39) which are connected in sequence; an aeration fan A (39) in the electric control room (33) is connected with an aeration device of the nitrifying tank (36) through a fan pipeline, a circulating pump A (25) in the electric control room (33) is connected with the upper end and the lower end of the sedimentation reflux tank A (32), and a reflux pump A (26) in the electric control room (33) is connected with the lower end of the sedimentation reflux tank A (32) and the upper end of the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank (31); the secondary precipitation reflux unit (6) is internally provided with a precipitation reflux groove B (37) and an equipment room (38) which are sequentially connected; an overflow weir is arranged in the sedimentation reflux tank B (37); the bottom of the equipment room (38) is provided with a circulating pump B (42) and a reflux pump B (43) which are connected in sequence, the circulating pump B (42) in the equipment room (38) is connected with the upper end and the lower end of the sedimentation reflux tank B (37), and the reflux pump B (43) is connected with the lower end of the sedimentation tank B (37) and the upper end of the denitrification tank (35).
2. The integrated biogas slurry wastewater treatment system as claimed in claim 1, wherein the operation room (30) is provided with a water inlet lift pump and an on-line instrument detection group, and a probe of the on-line instrument detection group is connected with the interior of the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank (31); a stirrer B (22) and a filter screen (23) are also arranged in the short-cut nitrification and denitrification anaerobic ammonia oxidation reaction tank (31); a wired instrument detection group is arranged in the electric control room (33), and a probe of the wired instrument detection group is connected into the nitrifying tank (36); the buffer adjusting unit (3) is provided with a buffer adjusting groove (34), the buffer adjusting groove (34) is provided with a stirrer C (40), a tap water hose is connected in the buffer adjusting groove, and a guide plate is arranged on the side wall of the buffer adjusting groove; the denitrification unit (4) is provided with a denitrification tank (35), the denitrification tank (35) is provided with a stirrer D (41), and the side wall of the denitrification tank is provided with a guide plate; a guide plate is arranged on the side wall of the nitrifying tank (36).
3. The integrated biogas slurry wastewater treatment system as claimed in claim 2, wherein the inside of the triplet tank (9) is formed by connecting a dephosphorization tank, a sedimentation tank and a water collection tank in sequence, and the triplet tank (9) is made of steel; the front end in the triplet groove (9) is provided with a stirrer A (10) and a biogas slurry wastewater inlet end (20);
the online instrument detection group comprises an ammonia nitrogen online instrument (15), a pH online instrument (14) and a dissolved oxygen online instrument (13), and the instruments are connected with one another; the online instrument detection group of the operation room (30) is used for monitoring the water quality state of the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank (31); an online instrument detection group in the electric control room (33) is used for monitoring the water quality state in the nitrifying tank (36);
the front end of the triplet groove (9) is provided with a stirrer E (10-1), the coagulating and dispensing groove (16) is provided with a stirrer F (10-2), a liquid level meter (12) and a dosing meter, and the dosing meter pump is connected with the coagulating and dispensing groove (16) and a first groove body at the front end in the triplet groove (9) through a UPVC pipeline; the carbon source storage tank (17) is provided with a stirrer, a liquid level meter and a metering pump, the metering pump arranged on the carbon source storage tank (17) is connected with the buffer regulating tank (34), and the water inlet lifting pump is connected with the tail end tank body of the triplet tank (9) and the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank (31);
the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank (31) is arranged in the shortcut nitrification-denitrification anaerobic ammonia oxidation unit (1), and the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank (31) is fully called as the shortcut nitrification-denitrification anaerobic ammonia oxidation reaction tank (31); the nitrosation tank (36) is arranged in the nitrosation unit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921782631.8U CN210796135U (en) | 2019-10-23 | 2019-10-23 | Biogas slurry wastewater treatment system of integral type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921782631.8U CN210796135U (en) | 2019-10-23 | 2019-10-23 | Biogas slurry wastewater treatment system of integral type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210796135U true CN210796135U (en) | 2020-06-19 |
Family
ID=71246781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921782631.8U Active CN210796135U (en) | 2019-10-23 | 2019-10-23 | Biogas slurry wastewater treatment system of integral type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210796135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110563285A (en) * | 2019-10-23 | 2019-12-13 | 大连力达环境工程有限公司 | Integrated biogas slurry wastewater treatment system and treatment process thereof |
-
2019
- 2019-10-23 CN CN201921782631.8U patent/CN210796135U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110563285A (en) * | 2019-10-23 | 2019-12-13 | 大连力达环境工程有限公司 | Integrated biogas slurry wastewater treatment system and treatment process thereof |
| CN110563285B (en) * | 2019-10-23 | 2024-02-23 | 大连力达环境工程有限公司 | Integrated biogas slurry wastewater treatment system and treatment process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201033757Y (en) | Sewage water treatment system for fruit juice waste water | |
| JP2013154349A (en) | Deeply sewage treating method and apparatus without discharging sludge | |
| CN101219845A (en) | Technique for processing garbage leachate | |
| CN108483651A (en) | The modified form multi-mode operation A adjusted based on water quality and quantity2O reaction tanks and sewage disposal system | |
| CN114590969B (en) | Livestock and poultry breeding wastewater treatment system | |
| CN101659502B (en) | Method for treating waste leachate by utilizing high denitrification shared type Orbal oxidation ditch | |
| CN107555600A (en) | A kind of sewage disposal system | |
| CN106365373A (en) | Method and apparatus for treating municipal sludge anaerobic digestion solution | |
| CN210796135U (en) | Biogas slurry wastewater treatment system of integral type | |
| CN103395882A (en) | Processing method and processing apparatus of high ammonia-nitrogen wastewater | |
| CN107827324B (en) | Urban sewage comprehensive treatment system | |
| CN112209504B (en) | Spiral-flow type bioreactor | |
| CN110563285B (en) | Integrated biogas slurry wastewater treatment system and treatment process thereof | |
| CN103241892B (en) | Sewage treatment method | |
| CN105110556A (en) | Integrated denitrification decarbonization biological aerated filter and processing system thereof | |
| CN202945124U (en) | Urban sewage treatment system with high efficiency and low energy consumption | |
| CN207760202U (en) | A kind of microkinetic sewage disposal device | |
| CN102642992A (en) | Integrated reclaimed water treatment method | |
| CN206680346U (en) | A kind of waste water advanced removal of carbon and nitrogen processing unit | |
| CN108821504A (en) | A kind of integrated form sewage disposal system | |
| CN211170063U (en) | Integrated equipment with enhanced dephosphorization and denitrification functions | |
| CN211284066U (en) | Kitchen waste fermentation liquor treatment system | |
| CN210481125U (en) | Biological denitrification equipment for high-sulfate low-carbon-nitrogen-ratio wastewater | |
| CN209481417U (en) | A kind of culturing wastewater processing system | |
| CN208182995U (en) | A kind of integrated multistage microbial inoculum activation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |