CN216073477U - Pig raising manure treatment and recycling comprehensive utilization system - Google Patents
Pig raising manure treatment and recycling comprehensive utilization system Download PDFInfo
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- CN216073477U CN216073477U CN202121969567.1U CN202121969567U CN216073477U CN 216073477 U CN216073477 U CN 216073477U CN 202121969567 U CN202121969567 U CN 202121969567U CN 216073477 U CN216073477 U CN 216073477U
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Abstract
The utility model discloses a pig raising manure treatment and resource comprehensive utilization system, which comprises a main route, a branch route, a medicine adding system and a PLC (programmable logic controller) control system, wherein the main route comprises a grid channel, a raw water collecting tank, a solid-liquid separator, a flocculation reaction tank, a primary sedimentation tank, an aeration tank, an adjusting tank, a UASB (upflow anaerobic sludge bed) anaerobic tank, a primary denitrification reaction tank, a primary nitrification reaction tank, a first sedimentation tank, a second denitrification reaction tank, a second sedimentation tank, an adsorption reaction tank, a third sedimentation tank and a disinfection tank which are sequentially connected in a self-flowing manner through a pump or a potential difference; the branch line comprises a first branch and a second branch, wherein the first branch is a biogas utilization branch, and the second branch is a solid fertilizer comprehensive utilization branch. The utility model can effectively realize the comprehensive utilization of resources for the manure discharged by the pig farm, the pig manure is converted into organic fertilizer through innocent treatment and fermentation and is used for planting various economic crops, and the pig farm sewage is treated to reach the standard and then is used for farmland irrigation, thereby saving water resources and achieving the purpose of protecting the environment.
Description
Technical Field
The utility model relates to the field of sewage treatment, in particular to a pig raising manure treatment and recycling comprehensive utilization system.
Background
With the rapid development of the pig raising industry in China and the treatment problem of the pig raising wastewater generated by pig raising, along with the increasing attention of the country on the environmental problems, the pig raising wastewater directly discharged into rivers or lakes like the past can cause huge pollution to water bodies, so the pig raising wastewater generated by pig raising needs to be effectively treated and discharged after reaching the standard. The swine wastewater is composed of swine urine, swine fecal excrement, feed residue, piggery wash water, and domestic sewage generated by a small number of workers. The comprehensive waste water is characterized by extremely high ammonia nitrogen content, high organic matter content, deep chroma, heavy taste, high content of suspended matters caused by solid-liquid phase mixing, uncertain water amount for flushing every day and large load generated by waste water impact.
The direct discharge of the pig raising wastewater not only causes serious pollution but also wastes water resources, so that the characteristics of the pig raising wastewater are utilized, the pig raising wastewater is treated to implement farmland irrigation, the pollution can be reduced, and simultaneously, the water resources are reasonably utilized, which is a technical problem to be solved.
Disclosure of Invention
In order to solve the problems, the utility model provides the pig-raising sewage pretreatment system which is low in operation cost, simple in operation and control, high in automation degree and wide in application range.
Therefore, the technical scheme of the utility model is that a pig raising manure treatment and resource comprehensive utilization system is characterized in that: comprises a main line, a branch line, a dosing system and a PLC control system,
the main route comprises a grid channel, a raw water collecting tank, a solid-liquid separator, a flocculation reaction tank, a primary sedimentation tank, an aeration tank, an adjusting tank, a UASB anaerobic tank, a primary denitrification reaction tank, a primary nitrification reaction tank, a first sedimentation tank, a second denitrification reaction tank, a second nitrification reaction tank, a second sedimentation tank, an adsorption reaction tank, a third sedimentation tank and a disinfection tank which are sequentially connected in a self-flowing manner through a pump or a potential difference;
the branch line comprises a first branch and a second branch, wherein: the first branch is a biogas utilization branch, a three-phase separator is arranged in the UASB anaerobic tank, the gas phase of the UASB anaerobic tank sequentially flows to a biogas gas cabinet and a biogas boiler, and the biogas boiler is connected with the UASB anaerobic tank through a hot water pipeline; the second branch road is solid state fertilizer comprehensive utilization branch road, including the sludge impoundment that connects gradually, fold spiral shell formula sludge dewaterer, manure fermentation reactor, the first input port of sludge impoundment is connected in just sinking the pond, and second input port is connected in the mud output of sedimentation tank one, sedimentation tank two, sedimentation tank three, and third input port is connected in the solid phase output in UASB anaerobism pond, and solid-liquid separation machine's solid slag material output is connected in manure fermentation reactor's input:
the medicine system includes that disinfectant prepares system, PAC and prepares system, PAM cation and prepares system, PAM anion and prepares system, active carbon and prepares system, alkali lye and prepare system, lime wash and prepare the system, wherein: the disinfectant preparation system is connected with the disinfection tank through a dosing pump, the PAC preparation system, the PAM anion preparation system and the active carbon preparation system are respectively connected with the adsorption reaction tank through the dosing pump, the alkali liquor preparation system and the lime water preparation system are respectively connected with the flocculation reaction tank through the dosing pump, and the PAM cation preparation system is connected with the overlapped screw type sludge dewatering machine through the dosing pump;
the aeration tank, the flocculation reaction tank, the primary nitrification reaction tank, the secondary nitrification reaction tank, the adsorption reaction tank and the disinfection tank are all connected with aeration pipes, and the aeration pipes are connected with the output end of the fan;
the comprehensive utilization system is controlled by a PLC control system.
The technical scheme is further improved as follows: the reserved port of the grid channel of the main route is connected with a plant sewage pipe network, the water outlet end of the grid channel is connected to the input end of a raw water collecting pool, a mechanical grid is arranged in the grid channel, a submersible stirrer and a raw water collecting pool lifting pump are arranged in the raw water collecting pool, and the raw water collecting pool lifting pump is communicated with the input end of a solid-liquid separator; the input end of the flocculation reaction tank is connected with the water outlet end of the solid-liquid separator, the output end of the flocculation reaction tank is connected with the primary sedimentation tank, a stirrer and a PH on-line monitor are arranged in the flocculation reaction tank, and the output end of the primary sedimentation tank is provided with an electric valve for controlling and starting sludge discharge at fixed time; the input end of the aeration tank is connected with the water outlet end of the primary sedimentation tank;
the input end of the regulating tank is connected with the water outlet end of the aeration tank, a submersible mixer and a regulating tank lift pump are arranged in the regulating tank, connect UASB anaerobism pond input through the equalizing basin elevator pump, UASB anaerobism pond water outlet end connects the first-order denitrification reaction pond input, the first-order nitrification reaction pond input is connected to the output in first-order denitrification reaction pond, the input of sedimentation tank I is connected to the output in first-order nitrification reaction pond, the input of second-order denitrification reaction pond is connected to the output in second-order denitrification reaction pond, the input of sedimentation tank II is connected to the output in second-order nitrification reaction pond, the input of adsorption reaction groove is connected to the output in sedimentation tank II, the input of sedimentation tank III is connected to the output in adsorption reaction groove, the input of disinfection pond is connected to the output in sedimentation tank III, the output in disinfection pond is connected and is irrigated the pond or the retrieval and utilization. The arrangement enables the sewage to be purified and reach the use standard.
The technical scheme is further improved as follows: and a filtrate return pipeline is arranged between the stacked spiral sludge dewatering machine and the flocculation reaction tank. The purpose is to return the filtrate after sludge dehydration to the system for treatment, and avoid discharge which does not reach the standard.
The technical scheme is further improved as follows: a mixed liquid return pipeline is arranged between the primary nitrification reaction tank and the primary denitrification reaction tank and between the secondary nitrification reaction tank and the secondary denitrification reaction tank, and a return pump is arranged on the pipeline; and sludge return pipelines are arranged between the first sedimentation tank and the first-stage denitrification reaction tank and between the second sedimentation tank and the second-stage denitrification reaction tank, and sludge return pumps are arranged on the pipelines. The purpose is to ensure the concentration of microorganisms and completely convert nitrate nitrogen and nitrite nitrogen into nitrogen or nitric oxide to be removed from water.
The technical scheme is further improved as follows: the sludge pond is internally provided with a submersible stirrer and a sludge pond lifting pump which are connected with the input end of the stacked screw type sludge dewatering machine through the sludge lifting pump. The purpose of setting up dive mixer makes muddy water misce bene prevent to deposit, adopts the elevator pump to improve degree of automation and efficiency.
The technical scheme is further improved as follows: the adjusting tank is connected with the primary denitrification reaction tank through a pipeline, and a lifting pump is arranged on the pipeline. The pipeline is arranged for directly lifting part of sewage to the primary denitrification beyond the UASB anaerobic tank by a lifting pump when the primary denitrification carbon source is insufficient, so as to supplement the carbon source for denitrification.
Preferably, the blower adopts a Roots blower, and has the characteristics of no need of lubricating oil in an inner cavity, simple structure, stable operation, stable performance and the like.
Has the advantages that: the pig raising manure is treated, so that comprehensive utilization of resources can be effectively carried out, the pig manure is converted into the organic fertilizer through harmless treatment and fermentation and is used for planting various economic crops, and the pig farm sewage is treated to reach the standard and then is irrigated in farmlands. Tests prove that the quality of the outlet water of the system reaches the standard requirements set in the discharge limit value of the Farmland irrigation Water quality Standard GB5084-2005, and the pig raising manure recycling comprehensive utilization system has good adaptability to the treatment of pig raising manure.
The method has the advantages of reasonable concept, low operation cost, good treatment effect, simple operation control and wide application range, can effectively utilize pig manure waste as resources, and can be widely used for treating high-concentration organic polluted sewage.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Shown in the figure: 1. a grid channel; 2. a raw water collecting tank; 3. a solid-liquid separator; 4. a flocculation reaction tank; 5. a primary sedimentation tank; 6. an aeration tank; 7. a regulating tank; 8. a UASB anaerobic tank; 9. a first-stage denitrification reaction tank; 10. a first-stage nitration reaction tank; 11. a first sedimentation tank; 12. a secondary denitrification reaction tank; 13. a secondary nitration reaction tank; 14. a second sedimentation tank; 15. an adsorption reaction tank; 16. precipitating; 17. a disinfection tank; 18. a methane gas holder; 19. a biogas boiler; 20. a sludge tank; 21. a stacked screw type sludge dewatering machine; 22. a manure fermentation reactor; 23. a disinfectant preparation system; 24. a PAC preparation system; 25. a PAM cation preparation system; 26. a PAM anion formulation system; 27. an activated carbon preparation system; 28. an alkali liquor preparation system; 29. a lime water preparation system; 30. roots blower.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, but the embodiment should not be construed as limiting the present invention.
The utility model is shown in figure 1:
a pig raising manure treatment and resource comprehensive utilization system, which comprises a main line, a branch line, a medicine adding system and a PLC control system,
the main route comprises a grid channel 1, a raw water collecting tank 2, a solid-liquid separator 3, a flocculation reaction tank 4, a primary sedimentation tank 5, an aeration tank 6, an adjusting tank 7, a UASB anaerobic tank 8, a primary denitrification reaction tank 9, a primary nitrification reaction tank 10, a first sedimentation tank 11, a secondary denitrification reaction tank 12, a secondary nitrification reaction tank 13, a second sedimentation tank 14, an adsorption reaction tank 15, a third sedimentation tank 16 and a disinfection tank 17 which are connected in sequence through a pump or potential difference in a self-flowing manner;
the branch line comprises a first branch and a second branch, wherein: the first branch is a biogas utilization branch, a three-phase separator is arranged in the UASB anaerobic tank 8, the gas phase of the UASB anaerobic tank sequentially flows to a biogas gas cabinet 18 and a biogas boiler 19, and the biogas boiler 19 is connected with the UASB anaerobic tank 8 through a hot water pipeline; the second branch road is solid state fertilizer comprehensive utilization branch road, including sludge impoundment 20 that connects gradually, fold spiral shell formula sludge dewaterer 21, manure fermentation reactor 22, sludge impoundment 20's first input port is connected in just sinking pond 5, second input port is connected in sedimentation tank 11, sedimentation tank two 14, sedimentation tank three 16's mud output, third input port is connected in the solid phase output of UASB anaerobism pond 8, solid-liquid separation machine's solid slag material output is connected in manure fermentation reactor's input:
the dosing system comprises a disinfectant preparation system 23, a PAC preparation system 24, a PAM cation preparation system 25, a PAM anion preparation system 26, an activated carbon preparation system 27, an alkali liquor preparation system 28 and a lime water preparation system 29, wherein: a disinfectant preparation system 23 is connected with the disinfection tank 17 through a dosing pump, a PAC preparation system 24, a PAM anion preparation system 26 and an activated carbon preparation system 27 are respectively connected with the adsorption reaction tank 15 through the dosing pump, an alkali liquor preparation system 28 and a lime water preparation system 29 are respectively connected with the flocculation reaction tank through the dosing pump, and a PAM cation preparation system 25 is connected with the stacked screw type sludge dewatering machine 21 through the dosing pump;
the aeration tank 6, the flocculation reaction tank 4, the primary nitrification reaction tank 10, the secondary nitrification reaction tank 13, the adsorption reaction tank 15 and the disinfection tank 17 are all connected with aeration pipes which are connected with the output end of a fan;
the comprehensive utilization system is controlled by a PLC control system.
The reserved port of a grid channel 1 of the main route is connected with a plant sewage pipe network, the water outlet end of the grid channel is connected to the input end of a raw water collecting pool 2, a mechanical grid is arranged in the grid channel, a submersible stirrer and a raw water collecting pool lifting pump are arranged in the raw water collecting pool, and the raw water collecting pool lifting pump is communicated with the input end of a solid-liquid separator 3; the input end of the flocculation reaction tank 4 is connected with the water outlet end of the solid-liquid separator, the output end of the flocculation reaction tank is connected with the primary sedimentation tank 5, a stirrer and a PH online monitor are arranged in the flocculation reaction tank, and the output end of the primary sedimentation tank is provided with an electric valve for controlling and starting sludge discharge at fixed time; the input end of the aeration tank 6 is connected with the water outlet end of the primary sedimentation tank;
the input end of the adjusting tank 7 is connected with the water outlet end of the aeration tank, a submersible stirrer and an adjusting tank lift pump are arranged in the adjusting tank, the input end of a UASB anaerobic tank 8 is connected through the adjusting tank lift pump, the water outlet end of the UASB anaerobic tank is connected with the input end of a primary denitrification reaction tank 9, the output end of the primary denitrification reaction tank is connected with the input end of a primary nitrification reaction tank 10, the output end of the primary nitrification reaction tank is connected with the input end of a sedimentation tank I11, the output end of the sedimentation tank I is connected with the input end of a secondary denitrification reaction tank 12, the output end of the secondary denitrification reaction tank is connected with the input end of a secondary nitrification reaction tank 13, the output end of the secondary nitrification reaction tank is connected with the input end of a sedimentation tank II 14, the output end of the sedimentation tank II is connected with the input end of an adsorption reaction tank 15, the output end of the adsorption reaction tank is connected with the input end of a sedimentation tank III 16, and the output end of the sedimentation tank III is connected with the input end of a disinfection tank 17, the output end of the disinfection tank is connected with the irrigation tank or recycled. The arrangement enables the sewage to be purified and reach the use standard.
A filtrate return pipeline is arranged between the overlapped screw type sludge dewatering machine 21 and the flocculation reaction tank 4. The purpose is to return the filtrate after sludge dehydration to the system for treatment, and avoid discharge which does not reach the standard.
A mixed liquid return pipeline is arranged between the primary nitrification reaction tank 10 and the primary denitrification reaction tank 9, and between the secondary nitrification reaction tank 13 and the secondary denitrification reaction tank 12, and return pumps are arranged on the pipelines; sludge return pipelines are arranged between the first sedimentation tank 11 and the first-stage denitrification reaction tank 9 and between the second sedimentation tank 14 and the second-stage denitrification reaction tank 12, and sludge return pumps are arranged on the pipelines. The purpose is to ensure the concentration of microorganisms and completely convert nitrate nitrogen and nitrite nitrogen into nitrogen or nitric oxide to be removed from water.
A submersible mixer and a sludge pool lifting pump are arranged in the sludge pool 20 and are connected with the input end of the stacked screw type sludge dewatering machine 21 through the sludge lifting pump. The purpose of setting up dive mixer makes muddy water misce bene prevent to deposit, adopts the elevator pump to improve degree of automation and efficiency.
The adjusting tank 7 is connected with the first-stage denitrification reaction tank 9 through a pipeline, and a lifting pump is arranged on the pipeline. The pipeline is arranged for directly lifting part of sewage to the primary denitrification reaction tank beyond the UASB anaerobic tank through the lifting pump when the primary denitrification carbon source is insufficient, so as to supplement the carbon source for denitrification.
The blower adopts a Roots blower 30, and has the characteristics of no need of lubricating oil in an inner cavity, simple structure, stable operation, stable performance and the like.
The working process of the utility model is as follows:
(1) separating water from a pig farm by a mechanical grid to remove impurities with larger particle sizes;
(2) after being separated by a grid, the sewage enters a raw water collecting pool, and a submersible stirrer is arranged in the raw water collecting pool for stirring, so that solid impurities are prevented from precipitating and silting;
(3) lifting the wastewater in the raw water collecting pool to a solid-liquid separator by a lifting pump in a quantitative mode, and separating and treating solid impurities and a liquid phase in the wastewater by the solid-liquid separator;
(4) transferring the separated manure residues and the pig manure in the pig farm to a manure fermentation reactor for aerobic fermentation; the fermented organic fertilizer is stored in a manure workshop to be dried in the sun, and then is packaged for planting various economic crops;
(5) the separated clear liquid automatically flows into a flocculation reaction tank, alkali and lime are added for flocculation, and the flocculation reaction tank passes through a stirrer and a PH on-line detector;
(6) the sewage enters a primary sedimentation tank automatically after being added with medicine, impurities in the sewage are precipitated into a sludge hopper from the sewage through the gravity sedimentation effect, then the sewage automatically flows into a sludge tank through a pipeline, and a sludge discharge pipe is provided with an electric valve;
(7) the supernatant enters an aeration tank, suspended matters in the supernatant are separated out through aeration, the separated suspended sludge is automatically discharged into a sludge tank, and the aeration tank is provided with an aeration device;
(8) clear water after aeration separation automatically flows into a regulating reservoir, a submersible mixer is arranged in the regulating reservoir to ensure that the water quality in the regulating reservoir is uniform and stable, and a lift pump, a liquid level meter and an electromagnetic flow meter are arranged in the regulating reservoir;
(9) quantitatively lifting the wastewater in the regulating tank to a UASB (upflow anaerobic sludge blanket) anaerobic reactor by a submersible pump, and separating methane, liquid phase and sludge in a three-phase separator of the UASB anaerobic reactor; the biogas enters a biogas gas holder, the liquid phase automatically flows into a first-stage denitrification reaction tank, part of sludge flows back to the bottom of a UASB anaerobic reactor through a reflux pump arranged in the UASB anaerobic reactor, and a small amount of residual sludge is discharged to a sludge tank under the self-pressure;
(10) the effluent of the first-stage denitrification reaction tank automatically flows into the first-stage nitrification reaction tank, and the mixed liquid in the first-stage nitrification reaction tank flows back into the first-stage denitrification reaction tank through a reflux pump;
(11) the effluent of the first-stage nitration reaction tank enters a first sedimentation tank, sedimentation is carried out in the first sedimentation tank, sludge in the first sedimentation tank is sent back to the first-stage denitrification reaction tank through a sludge reflux pump to keep the concentration of the sludge, and the first sedimentation tank is provided with an electric valve;
(12) the effluent of the first sedimentation tank enters a second-stage denitrification reaction tank;
(13) the effluent of the secondary denitrification reaction tank automatically flows into a secondary nitrification reaction tank, and the mixed liquid in the secondary nitrification reaction tank flows back to the primary denitrification reaction tank through a reflux pump;
(14) the effluent of the secondary nitrification reaction tank enters a second sedimentation tank, sedimentation is carried out in the second sedimentation tank, sludge in the second sedimentation tank is sent back to the secondary denitrification reaction tank through a sludge reflux pump, the concentration of the sludge is kept, and the sedimentation tank is provided with an electric valve;
(15) the effluent of the second sedimentation tank automatically flows into an adsorption reaction tank, PAC and activated carbon are added, then sedimentation is carried out, and the adsorption reaction tank is provided with an aeration device and a stirrer;
(17) supernatant fluid after the third sedimentation in the sedimentation tank enters a disinfection tank;
(18) and adding sodium hypochlorite into the disinfection tank for disinfection and aeration, discharging effluent into an external drainage tank, and discharging into an oxidation pond for storage after detection reaches farmland irrigation standards, wherein the effluent is used for farmland irrigation.
Those skilled in the art will appreciate that the details of the present invention are not described in detail herein.
With the above structure in mind, it should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and modifications and substitutions based on the known technology in the art are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (10)
1. The utility model provides a pig raising excrement handles resource comprehensive utilization system which characterized in that: comprises a main line, a branch line, a dosing system and a PLC control system,
the main route comprises a grid channel, a raw water collecting tank, a solid-liquid separator, a flocculation reaction tank, a primary sedimentation tank, an aeration tank, an adjusting tank, a UASB anaerobic tank, a primary denitrification reaction tank, a primary nitrification reaction tank, a first sedimentation tank, a second denitrification reaction tank, a second nitrification reaction tank, a second sedimentation tank, an adsorption reaction tank, a third sedimentation tank and a disinfection tank which are sequentially connected in a self-flowing manner through a pump or a potential difference;
the branch line comprises a first branch and a second branch, wherein: the first branch is a biogas utilization branch, a three-phase separator is arranged in the UASB anaerobic tank, the gas phase of the UASB anaerobic tank sequentially flows to a biogas gas cabinet and a biogas boiler, and the biogas boiler is connected with the UASB anaerobic tank through a hot water pipeline; the second branch road is solid state fertilizer comprehensive utilization branch road, including the sludge impoundment that connects gradually, fold spiral shell formula sludge dewaterer, manure fermentation reactor, the first input port of sludge impoundment is connected in just sinking the pond, and second input port is connected in the mud output of sedimentation tank one, sedimentation tank two, sedimentation tank three, and third input port is connected in the solid phase output in UASB anaerobism pond, and solid-liquid separation machine's solid slag material output is connected in manure fermentation reactor's input:
the medicine system includes that disinfectant prepares system, PAC and prepares system, PAM cation and prepares system, PAM anion and prepares system, active carbon and prepares system, alkali lye and prepare system, lime wash and prepare the system, wherein: the disinfectant preparation system is connected with the disinfection tank through a dosing pump, the PAC preparation system, the PAM anion preparation system and the active carbon preparation system are respectively connected with the adsorption reaction tank through the dosing pump, the alkali liquor preparation system and the lime water preparation system are respectively connected with the flocculation reaction tank through the dosing pump, and the PAM cation preparation system is connected with the overlapped screw type sludge dewatering machine through the dosing pump;
the aeration tank, the flocculation reaction tank, the primary nitrification reaction tank, the secondary nitrification reaction tank, the adsorption reaction tank and the disinfection tank are all connected with aeration pipes, and the aeration pipes are connected with the output end of the fan;
the comprehensive utilization system is controlled by a PLC control system.
2. The pig raising manure treatment and resource comprehensive utilization system according to claim 1, characterized in that: the reserved port of the grid channel of the main route is connected with a plant sewage pipe network, the water outlet end of the grid channel is connected to the input end of a raw water collecting pool, a mechanical grid is arranged in the grid channel, a submersible stirrer and a raw water collecting pool lifting pump are arranged in the raw water collecting pool, and the raw water collecting pool lifting pump is communicated with the input end of a solid-liquid separator; the input end of the flocculation reaction tank is connected with the water outlet end of the solid-liquid separator, the output end of the flocculation reaction tank is connected with the primary sedimentation tank, a stirrer and a PH on-line monitor are arranged in the flocculation reaction tank, and the output end of the primary sedimentation tank is provided with an electric valve for controlling and starting sludge discharge at fixed time; the input end of the aeration tank is connected with the water outlet end of the primary sedimentation tank;
the input end of the regulating tank is connected with the water outlet end of the aeration tank, a submersible mixer and a regulating tank lift pump are arranged in the regulating tank, connect UASB anaerobism pond input through the equalizing basin elevator pump, UASB anaerobism pond water outlet end connects the first-order denitrification reaction pond input, the first-order nitrification reaction pond input is connected to the output in first-order denitrification reaction pond, the input of sedimentation tank I is connected to the output in first-order nitrification reaction pond, the input of second-order denitrification reaction pond is connected to the output in second-order denitrification reaction pond, the input of sedimentation tank II is connected to the output in second-order nitrification reaction pond, the input of adsorption reaction groove is connected to the output in sedimentation tank II, the input of sedimentation tank III is connected to the output in adsorption reaction groove, the input of disinfection pond is connected to the output in sedimentation tank III, the output in disinfection pond is connected and is irrigated the pond or the retrieval and utilization.
3. The pig raising manure treatment and resource comprehensive utilization system as claimed in claim 1 or 2, characterized in that: and a filtrate return pipeline is arranged between the stacked spiral sludge dewatering machine and the flocculation reaction tank.
4. The pig raising manure treatment and resource comprehensive utilization system as claimed in claim 1 or 2, characterized in that: a mixed liquid return pipeline is arranged between the primary nitrification reaction tank and the primary denitrification reaction tank and between the secondary nitrification reaction tank and the secondary denitrification reaction tank, and a return pump is arranged on the pipeline; and sludge return pipelines are arranged between the first sedimentation tank and the first-stage denitrification reaction tank and between the second sedimentation tank and the second-stage denitrification reaction tank, and sludge return pumps are arranged on the pipelines.
5. The pig raising manure treatment and resource comprehensive utilization system as claimed in claim 3, characterized in that: a mixed liquid return pipeline is arranged between the primary nitrification reaction tank and the primary denitrification reaction tank and between the secondary nitrification reaction tank and the secondary denitrification reaction tank, and a return pump is arranged on the pipeline; and sludge return pipelines are arranged between the first sedimentation tank and the first-stage denitrification reaction tank and between the second sedimentation tank and the second-stage denitrification reaction tank, and sludge return pumps are arranged on the pipelines.
6. The pig raising manure treatment and resource comprehensive utilization system as claimed in claim 1, 2 or 5, characterized in that: the sludge pond is internally provided with a submersible stirrer and a sludge pond lifting pump which are connected with the input end of the stacked screw type sludge dewatering machine through the sludge lifting pump.
7. The pig raising manure treatment and resource comprehensive utilization system as claimed in claim 1, 2 or 5, characterized in that: the adjusting tank is connected with the primary denitrification reaction tank through a pipeline, and a lifting pump is arranged on the pipeline.
8. The pig raising manure treatment and resource comprehensive utilization system as claimed in claim 6, characterized in that: the adjusting tank is connected with the primary denitrification reaction tank through a pipeline, and a lifting pump is arranged on the pipeline.
9. The pig raising manure treatment and resource comprehensive utilization system as claimed in claim 1, 2, 5 or 8, wherein: the blower adopts a Roots blower.
10. The pig raising manure treatment and resource comprehensive utilization system as claimed in claim 7, is characterized in that: the blower adopts a Roots blower.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121969567.1U CN216073477U (en) | 2021-08-20 | 2021-08-20 | Pig raising manure treatment and recycling comprehensive utilization system |
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| CN202121969567.1U CN216073477U (en) | 2021-08-20 | 2021-08-20 | Pig raising manure treatment and recycling comprehensive utilization system |
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| CN216073477U true CN216073477U (en) | 2022-03-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590969A (en) * | 2022-03-25 | 2022-06-07 | 湖南子宏生态科技股份有限公司 | Livestock and poultry breeding wastewater treatment system |
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2021
- 2021-08-20 CN CN202121969567.1U patent/CN216073477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590969A (en) * | 2022-03-25 | 2022-06-07 | 湖南子宏生态科技股份有限公司 | Livestock and poultry breeding wastewater treatment system |
| CN114590969B (en) * | 2022-03-25 | 2023-11-28 | 湖南子宏生态科技股份有限公司 | Livestock and poultry breeding wastewater treatment system |
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