CN220201683U - Prefabricated dish waste water treatment system - Google Patents
Prefabricated dish waste water treatment system Download PDFInfo
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- CN220201683U CN220201683U CN202321503508.4U CN202321503508U CN220201683U CN 220201683 U CN220201683 U CN 220201683U CN 202321503508 U CN202321503508 U CN 202321503508U CN 220201683 U CN220201683 U CN 220201683U
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 13
- 238000004062 sedimentation Methods 0.000 claims abstract description 60
- 239000002351 wastewater Substances 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000010865 sewage Substances 0.000 claims abstract description 27
- 235000013311 vegetables Nutrition 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 230000020477 pH reduction Effects 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 239000006228 supernatant Substances 0.000 claims abstract description 17
- 230000007062 hydrolysis Effects 0.000 claims abstract description 15
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 230000001112 coagulating effect Effects 0.000 claims abstract description 9
- 239000010802 sludge Substances 0.000 claims description 50
- 238000005189 flocculation Methods 0.000 claims description 37
- 230000016615 flocculation Effects 0.000 claims description 37
- 238000002156 mixing Methods 0.000 claims description 36
- 238000005273 aeration Methods 0.000 claims description 23
- 239000000945 filler Substances 0.000 claims description 13
- 238000005188 flotation Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 8
- 230000001546 nitrifying effect Effects 0.000 claims description 7
- 208000005156 Dehydration Diseases 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 11
- 239000012530 fluid Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005842 biochemical reaction Methods 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 8
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 239000010775 animal oil Substances 0.000 description 4
- 235000015112 vegetable and seed oil Nutrition 0.000 description 4
- 239000008158 vegetable oil Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000004912 1,5-cyclooctadiene Substances 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 239000010909 process residue Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Abstract
The utility model discloses a prefabricated vegetable production wastewater treatment system, wherein a grid is arranged in a grid canal, wastewater enters a regulating tank through a sewage pipeline after passing through the grid, is lifted to an air floatation device under the action of a lifting pump of the regulating tank, supernatant fluid automatically flows into an intermediate water tank after being subjected to solid-liquid separation of the wastewater by the air floatation device, the wastewater in the intermediate water tank is lifted to a hydrolysis acidification tank by a lifting pump for degradation, the degraded wastewater sequentially enters an anoxic tank and an aerobic tank for biochemical reaction, effluent of the aerobic tank enters a secondary sedimentation tank through a sewage pipeline for mud-water separation, the separated supernatant fluid enters a coagulating sedimentation system through a pipeline for further mud-water separation, and the supernatant fluid is discharged through a pipeline after reaching standards. The system has obvious treatment effect and convenient operation management, is specially used for treating the wastewater of the prefabricated vegetable production, ensures reasonable and feasible cost and operation management cost, ensures the stable quality of the effluent to reach the standard, and reduces the pollution to the ecological environment of the water.
Description
Technical Field
The utility model relates to the field of wastewater treatment in the production of prefabricated vegetables, in particular to a wastewater treatment system in the production of prefabricated vegetables.
Technical Field
Typical characteristics of the waste water of the prefabricated vegetable production are: the waste water from the production of the prefabricated vegetables comprises defrosting water, raw material cleaning water, equipment cleaning water, ground cleaning water and cooking and frying waste water, such as COD and BOD 5 The concentration of SS and animal and vegetable oil is higher, wherein the animal and vegetable oil has more serious influence on the stabilizing system of equipment and biochemical systems. The wastewater can be subjected to biochemical treatment after pretreatment, and further subjected to advanced treatment, so that the pollution of the wastewater to the water environment is effectively reduced.
Because the COD and animal and vegetable oil concentration of the waste water of the prefabricated vegetable production are higher, the difficulty of the waste water treatment is higher, and the existing waste water treatment system of the prefabricated vegetable production still has the disadvantage that the water quality of the effluent cannot reach the standard stably. At present, a treatment system special for the wastewater produced by the prefabricated vegetables is not available, so that the long-term stable operation of the wastewater treatment system is ensured, and the quality of the effluent reaches the standard.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a system which is economical and applicable, has obvious treatment effect and is specially used for treating the wastewater produced by the prefabricated vegetables, the wastewater is treated by adopting a combined process of a grid, an adjusting tank, air floatation, hydrolytic acidification, an A/O and an inclined tube sedimentation tank, the water quality of the wastewater produced by the prefabricated vegetables can reach the standard stably, the pollution of the wastewater to the receiving water body can be reduced to the greatest extent, and the water environment for people to live can be effectively improved.
The purpose of the utility model is realized in the following way: a system for treating wastewater from prefabricated vegetable production comprises a grid canal, a regulating tank, an air floatation device, a middle water tank, a hydrolysis acidification tank, an anoxic tank, an aerobic tank, a secondary sedimentation tank and a coagulating sedimentation system; set up the grid in the grid canal, waste water gets into the equalizing basin through the sewer line after the grid, promotes waste water to air supporting device through the sewer line under the equalizing basin elevator pump effect, air supporting device and middle pond intercommunication, waste water is through air supporting device solid-liquid separation back supernatant flowing automatically and is got into middle pond, be provided with the elevator pump between the sewer line that middle pond and hydrolysis acidification pond are connected, waste water in the middle pond is promoted by the elevator pump and is degraded to hydrolysis acidification pond, and waste water after the degradation gets into anoxic tank and good oxygen pond in proper order and takes place biochemical reaction, and good oxygen pond goes out water and gets into two sedimentation tanks through the sewer line and carry out mud-water separation, and the supernatant that separates further takes place mud-water separation through the pipeline entering coagulating sedimentation system, discharges through the pipeline after the supernatant up to standard.
The aeration stirring system is arranged at the bottom of the regulating tank and connected with the first air blower through an air pipeline, and the first air blower provides aeration through the air pipeline for regulating water quantity and uniform water quality.
The upper end of the air flotation device is respectively communicated with the PAC dosing device and the PAM dosing device through dosing pipelines, and the air flotation efficiency is improved by adding PAC and PAM into the air flotation device.
The hydrolysis acidification tank is internally provided with elastic filler, waste water flows through the elastic filler at a certain flow velocity, the waste water contacts with a biological film on the elastic filler, and microorganisms on the elastic filler and refractory organic matters in the waste water undergo hydrolysis acidification reaction to decompose the refractory macromolecular organic matters in the waste water into readily degradable micromolecular organic matters, so that the biodegradability of the waste water is improved.
An anoxic tank stirrer is arranged on the inner wall of the anoxic tank.
An aeration system is arranged at the bottom of the aerobic tank, the aeration system is connected with a blower through an air pipeline, and the blower provides aeration through the air pipeline.
The anaerobic tank is communicated with a sewage pipeline arranged outside the bottom of the aerobic tank, a nitrifying liquid reflux pump is arranged on the sewage pipeline at the end of the aerobic tank in a matched manner, and mixed liquid containing nitrate nitrogen can be refluxed from the aerobic tank to the anaerobic tank under the action of the nitrifying liquid reflux pump;
the upper end of the aerobic tank is communicated with the upper end of the secondary sedimentation tank through a sewage pipeline, the bottom of the secondary sedimentation tank is arranged into a bucket shape, the bottom of the secondary sedimentation tank is connected with an external sludge pump through a pipeline, the sludge pump is connected with a sludge pipeline, and the sludge pipeline is respectively communicated with the sludge tank and the anoxic tank.
Pumping sludge in the sludge tank to a filter press through a screw pump for dehydration treatment, and allowing filtrate of the filter press and supernatant of the sludge tank to flow into an adjusting tank; the dewatered sludge is cleaned regularly;
the coagulating sedimentation system comprises a mixing tank, a flocculation tank and an inclined tube sedimentation tank, and is matched with a PAC dosing device, a PAM dosing device, a mixing stirrer, a flocculation stirrer and an inclined tube sedimentation tank sludge pump.
The bottom end of the mixing tank is communicated with the bottom end of the flocculation tank, the PAC dosing device and the PAM dosing device are respectively communicated with the mixing tank and the flocculation tank through dosing pipelines, a mixing stirrer is arranged at the top end of the mixing tank, a flocculation stirrer is arranged at the top end of the flocculation tank, the flocculation tank is communicated with an inclined tube sedimentation tank through a pipeline, an inclined tube filler is arranged in the inclined tube sedimentation tank, the bottom of the inclined tube sedimentation tank is arranged into a bucket shape, the bottom of the inclined tube sedimentation tank is provided with a pipeline, the pipeline is communicated with a sludge pipeline through an inclined tube sedimentation tank sludge pump, and the sewage pipeline is communicated with the sludge tank; PAC and PAM are sequentially added into a mixing tank and a flocculation tank, separated supernatant firstly enters the mixing tank through a pipeline, enters the flocculation tank from the bottom end of the mixing tank, is subjected to mixing and flocculation reaction under the action of a mixing stirrer and a flocculation stirrer, then enters an inclined tube sedimentation tank, mud-water separation further occurs, and supernatant in the inclined tube sedimentation tank reaches the standard and is discharged through a pipeline.
Has the positive beneficial effects that: the system is remarkable in treatment effect and convenient to operate and manage, is specially used for treating the waste water of the prefabricated vegetable production, combines the pretreatment system and the biochemical treatment system according to the characteristics of the waste water of the prefabricated vegetable production and the current situation of waste water treatment, ensures reasonable and feasible cost and operation management cost, ensures that the quality of effluent reaches the standard stably, and reduces pollution to the water ecological environment.
Drawings
FIG. 1 is a schematic diagram of the system structure of the present utility model
In the figure: grid canal 1, grid 2, equalizing basin 3, aeration stirring system 4, equalizing basin lift pump 5, air floating device 6, PAC dosing device 7, PAM dosing device 8, hydrolytic acidification basin 9, elastic packing 10, anoxic basin agitator 11, anoxic basin 12, aerobic basin 13, aeration system 14, nitrifying liquid reflux pump 15, secondary sedimentation basin 16, sludge discharge pump 17, mixing basin 18, flocculation basin 19, mixing basin agitator 20, flocculation basin agitator 21, inclined tube sedimentation basin 22, inclined tube packing 23, inclined tube sedimentation basin sludge discharge pump 24, sludge basin 25, screw pump 26, filter press 27, blower 28, intermediate basin 29, lift pump 30, first blower 31.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings:
examples
As shown in figure 1, the system for treating the wastewater in the production of the prefabricated dishes comprises a grid canal, a regulating tank, an air floatation device, an intermediate water tank, a hydrolysis acidification tank, an anoxic tank, an aerobic tank, a secondary sedimentation tank and a coagulating sedimentation system; wherein the production sewage is discharged into a grid canal through a sewage pipeline, a grid is arranged in the grid canal, and the waste water enters an adjusting tank through the sewage pipeline after larger floating matters and suspended matters in the water are removed through the grid;
the bottom of the regulating tank is provided with an aeration stirring system and a regulating tank lifting pump, the aeration stirring system is connected with a first air blower through an air pipeline, the first air blower provides aeration through the air pipeline for regulating water quantity and uniform water quality, the regulating tank lifting pump is connected with a sewage pipeline, and wastewater is lifted to an air floatation device from the sewage pipeline through the regulating tank lifting pump to remove SS and floating oil;
the air floatation device mainly comprises an air dissolution system, an air dissolution release system and an air floatation tank; the air dissolving system is used for dissolving air in water quickly, the air dissolving and releasing system is used for converting the air dissolved in the water into micro bubbles, and the air floating pond is used for discharging floating scum and purified water out of the air floating device;
the upper end of the air flotation device is respectively communicated with the PAC dosing device and the PAM dosing device through dosing pipelines, and the air flotation efficiency is improved by adding PAC and PAM into the air flotation device; the bottom end of the air floatation device is communicated with the middle water tank, and wastewater in the air floatation device automatically flows into the middle water tank;
a lifting pump is arranged between the sewage pipeline connected with the middle water tank and the hydrolysis acidification tank, under the action of the lifting pump, the wastewater in the middle water tank enters the hydrolysis acidification tank through the sewage pipeline, elastic filler is arranged in the hydrolysis acidification tank, the wastewater flows through the elastic filler at a certain flow rate, the wastewater contacts with a biomembrane on the elastic filler, microorganisms on the elastic filler and refractory organic matters in the wastewater undergo hydrolysis acidification reaction, and the refractory macromolecular organic matters in the wastewater are decomposed into readily degradable micromolecular organic matters, so that the biodegradability of the wastewater is improved;
the degraded wastewater enters an anoxic tank through a pipeline, an anoxic tank stirrer is arranged on the inner wall of the anoxic tank, the wastewater is mixed with a mixed solution containing nitrate nitrogen under the action of the anoxic tank stirrer and subjected to denitrification reaction, the nitrate nitrogen in the wastewater is converted into nitrogen and then is removed from the water, and meanwhile, organic matters in the wastewater are utilized by denitrifying bacteria and are removed from the wastewater;
the bottom end of the anoxic tank is communicated with the bottom end of the aerobic tank, the wastewater and the reflux mixed liquid containing nitrate nitrogen in the anoxic tank are subjected to denitrification reaction and then enter the aerobic tank to perform aerobic reaction, an aeration system is arranged at the bottom of the aerobic tank and is connected with a blower through an air pipeline, and the blower provides aeration through the air pipeline; after the wastewater is oxygenated by an aeration system, degradable organic matters in the water are adsorbed by microorganisms and removed by oxidative decomposition;
the anaerobic tank is communicated with a sewage pipeline arranged outside the bottom of the aerobic tank, a nitrifying liquid reflux pump is arranged on the sewage pipeline at the end of the aerobic tank in a matched manner, and mixed liquid containing nitrate nitrogen can be refluxed from the aerobic tank to the anaerobic tank under the action of the nitrifying liquid reflux pump;
the upper end of the aerobic tank is communicated with the upper end of the secondary sedimentation tank through a sewage pipeline, the bottom of the secondary sedimentation tank is arranged into a bucket shape, the bottom of the secondary sedimentation tank is connected with an external sludge discharge pump through a pipeline, the sludge discharge pump is connected with a sludge pipeline, the sludge pipeline is respectively communicated with the sludge tank and the anoxic tank, and part of sludge is discharged to the sludge tank after passing through the sludge discharge pump and the other part of sludge is returned to the anoxic tank;
the effluent of the aerobic tank enters a secondary sedimentation tank through a sewage pipeline to carry out mud-water separation, the secondary sedimentation tank is communicated with a coagulating sedimentation system through a pipeline, separated supernatant enters the coagulating sedimentation system through a pipeline to further carry out mud-water separation, and the supernatant is discharged through a pipeline after reaching standards;
the sludge in the sludge tank is pumped to a filter press by a screw pump for dehydration treatment, and filtrate of the filter press and supernatant of the sludge tank flow into an adjusting tank; the dewatered sludge is cleaned regularly;
the coagulating sedimentation system comprises a mixing tank, a flocculation tank and an inclined tube sedimentation tank, and is matched with a PAC dosing device, a PAM dosing device, a mixing stirrer, a flocculation stirrer and an inclined tube sedimentation tank sludge pump; the bottom end of the mixing tank is communicated with the bottom end of the flocculation tank, the PAC dosing device and the PAM dosing device are respectively communicated with the mixing tank and the flocculation tank through dosing pipelines, a mixing stirrer is arranged at the top end of the mixing tank, a flocculation stirrer is arranged at the top end of the flocculation tank, the flocculation tank is communicated with the inclined tube sedimentation tank through a pipeline, inclined tube filler is arranged in the inclined tube sedimentation tank, the bottom of the inclined tube sedimentation tank is arranged in a bucket shape, the bottom of the inclined tube sedimentation tank is provided with a pipeline, the pipeline is communicated with a sludge pipeline through an inclined tube sedimentation tank sludge pump, and the sewage pipeline is communicated with the sludge tank; PAC and PAM are sequentially added into a mixing tank and a flocculation tank, separated supernatant firstly enters the mixing tank through a pipeline, enters the flocculation tank from the bottom end of the mixing tank, is subjected to mixing and flocculation reaction under the action of a mixing stirrer and a flocculation stirrer, then enters an inclined tube sedimentation tank, mud-water separation further occurs, and supernatant in the inclined tube sedimentation tank reaches the standard and is discharged through a pipeline.
Example 2
Waste water amount of waste water treatment station of Henan food Limited company 100m 3 /d, designing the quality of the inlet water
COD is less than or equal to 2500mg/L, BOD 5 ≤1000mg/L、NH 3 -N≤60mg/L、SS≤
1000mg/L and animal and vegetable oil less than or equal to 300mg/L.
The grille ditch is provided with a seat. The grid is arranged in a channel for water inflow in an inclined way, the gap between the grids is 5mm, so that larger suspended matters and impurities in sewage are intercepted, and the normal operation of a subsequent treatment structure or equipment is ensured.
The regulating tank is provided with a seat with the size of 8.0 multiplied by 4.5 multiplied by 3.5m, the front end of the regulating tank is connected with the grid canal, two regulating tank lifting pumps are arranged, one regulating tank is provided with a standby and one set of aeration stirring system, and the aeration stirring system is used for carrying out air aeration stirring so as to uniformly mix water quality.
The air floatation device is provided with a set of integrated pressurized air dissolution air floatation device, the size of which is 3.0 multiplied by 1.0 multiplied by 1.3m, and the air floatation device mainly comprises an air dissolution system, an air dissolution release system and an air floatation tank. The air dissolving system is used for dissolving air in water quickly, the air dissolving and releasing system is used for converting the air dissolved in the water into micro bubbles, the air floatation tank is used for combining floating slag and purified water of the bubbles to be discharged out of the purifying device, and the wastewater treated by the air floatation device automatically flows into the middle water tank and is lifted to the hydrolysis acidification tank by the lifting pump. The hydrolytic acidification tank is provided with a seat, and the size is: 2.4X4.0X4.0m, hydraulic retention time 8.06h, and elastic filler.
The anoxic tank is provided with a seat, and the size is: 2.4X4.0X4.0 m, effective volume 33.6m 3 The hydraulic retention time is 8.06h, and a set of anoxic tank agitators is arranged.
The aerobic tank is provided with a seat with the size of 7.2 multiplied by 5.0 multiplied by 4.0m, an aeration system is arranged, and a nitrifying liquid reflux pump and a blower are matched.
The secondary sedimentation tank is provided with a seat, the size of which is 2.55 multiplied by 3.5m, and a sludge pump is arranged.
The mixing tank is provided with a seat, the flocculation tank is provided with a seat, the inclined tube sedimentation tank is provided with a seat, the sizes of the mixing tank and the flocculation tank are 0.7x0.7x3.5 m, the size of the inclined tube sedimentation tank is 1.5x1.5x3.5 m, a PAC dosing device, a PAM dosing device, a mixing tank stirrer and a flocculation tank stirrer are arranged, PAC and PAM are added into the mixing tank and the flocculation tank, and the mixing and flocculation reaction is carried out under the action of the mixing tank stirrer and the flocculation tank stirrer; and a sludge pump of the inclined tube sedimentation tank is matched, the flocculate suspended in the wastewater is separated from the water sediment and then is discharged to a sludge tank through the sludge pump of the inclined tube sedimentation tank, and the supernatant fluid after the mud-water separation is discharged after reaching the standard.
The sludge tank is provided with a seat, the size of the seat is 0.75X2.55X3.5 m, the sludge in the sludge tank is pumped to the filter press by the screw pump for dehydration treatment, and the filter press filters out water and supernatant fluid of the sludge tank and enters the regulating tank.
The effluent water quality after passing through the sewage treatment system meets the requirement of the secondary emission standard of the table 4 of the integrated wastewater emission standard (GB 8978-1996), and is specifically as follows: COD is less than or equal to 150mg/L, BOD 5 ≤30mg/L、SS≤150mg/L、NH 3 -N≤25mg/L、pH6~9。
The waste water treatment system is not only suitable for the waste water treatment system of the prepared vegetable production, but also suitable for other food processing waste water with similar characteristics.
The above examples are only for illustrating the preferred embodiments of the present utility model, but the present utility model is not limited to the above embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present utility model within the knowledge of those skilled in the art should be included in the scope of the claimed technical solution of the present utility model.
Claims (10)
1. A prefabricated dish waste water treatment system, its characterized in that: set up grid (2) in grid canal (1), grid canal (1) are through sewage pipe and equalizing basin (3) intercommunication, equalizing basin elevator pump (5) are installed to equalizing basin (3) bottom, equalizing basin elevator pump (5) are through sewage pipe and air supporting device (6) intercommunication, air supporting device (6) are connected with intermediate water pond (29), be provided with elevator pump (30) between the sewage pipe that intermediate water pond (29) and hydrolysis acidification pond (9) are connected, hydrolysis acidification pond (9) are through pipeline and anoxic tank (12) intercommunication, anoxic tank (12) bottom communicates with each other with aerobic tank (13) bottom, aerobic tank (13) upper end and secondary sedimentation tank (16) upper end are through sewage pipeline intercommunication, secondary sedimentation tank (16) are through pipeline and coagulation sedimentation system intercommunication.
2. A system for treating waste water from the production of vegetables according to claim 1, wherein: an aeration stirring system (4) is arranged at the bottom of the regulating tank (3), the aeration stirring system (4) is connected with a first air blower (31) through an air pipeline, and aeration is provided by the first air blower (31) through the air pipeline for regulating water quantity and uniform water quality.
3. A system for treating waste water from the production of vegetables according to claim 2, wherein: the upper end of the air flotation device (6) is respectively communicated with the PAC dosing device (7) and the PAM dosing device (8) through dosing pipelines, and the air flotation efficiency is improved by adding PAC and PAM into the air flotation device (6).
4. A system for treating waste water from the production of prepared vegetables according to claim 3, wherein: the hydrolysis acidification tank (9) is internally provided with elastic filler (10).
5. A system for treating waste water from the production of vegetables as claimed in claim 4, wherein: an anoxic tank stirrer (11) is arranged on the inner wall of the anoxic tank (12).
6. A system for treating waste water from the production of vegetables as claimed in claim 5, wherein: an aeration system (14) is arranged at the bottom of the aerobic tank (13), the aeration system (14) is connected with a blower (28) through an air pipeline, and aeration is provided by the blower (28) through the air pipeline.
7. A system for treating waste water from the production of vegetables as claimed in claim 6, wherein: the anoxic tank (12) is communicated with a sewage pipeline arranged outside the bottom of the aerobic tank (13), and a nitrifying liquid reflux pump (15) is arranged at the end of the aerobic tank (13) in a matched mode.
8. A system for treating waste water from the production of vegetables as claimed in claim 7, wherein: the upper end of the aerobic tank (13) is communicated with the upper end of the secondary sedimentation tank (16) through a sewage pipeline, the bottom of the secondary sedimentation tank (16) is arranged into a bucket shape, the bottom of the secondary sedimentation tank is connected with an external sludge discharge pump (17) through a pipeline, the sludge discharge pump (17) is connected with a sludge pipeline, and the sludge pipeline is respectively communicated with the sludge tank (25) and the anoxic tank (12).
9. A system for treating waste water from the production of vegetables as claimed in claim 8, wherein: the sludge in the sludge tank (25) is pumped to a filter press (27) through a screw pump (26) for dehydration treatment, and the filtrate of the filter press (27) and the supernatant of the sludge tank (25) flow into an adjusting tank (3); the dewatered sludge is periodically cleaned.
10. A system for treating waste water from the production of vegetables as claimed in claim 9, wherein: the coagulating sedimentation system comprises a mixing tank (18), a flocculation tank (19) and an inclined tube sedimentation tank (22), and is matched with a PAC dosing device (7), a PAM dosing device (8), a mixing stirrer (20), a flocculation stirrer (21) and an inclined tube sedimentation tank dredge pump (24); wherein mixing tank (18) bottom communicates with flocculation tank (19) bottom, PAC dosing device (7) and PAM dosing device (8) are respectively through dosing pipeline and mixing tank (18) and flocculation tank (19) intercommunication, mixing tank (18) top is provided with mixing agitator (20), flocculation tank (19) top is provided with flocculation agitator (21), flocculation tank (19) are through pipeline and inclined tube sedimentation tank (22) intercommunication, inclined tube sedimentation tank (22) embeds inclined tube filler (23), inclined tube sedimentation tank (22) bottom sets up into the bucket form, the bottom sets up the pipeline, the pipeline is through inclined tube sedimentation tank dredge pump (24) and mud pipeline intercommunication, sewage pipeline and mud pond (25) intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321503508.4U CN220201683U (en) | 2023-06-14 | 2023-06-14 | Prefabricated dish waste water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321503508.4U CN220201683U (en) | 2023-06-14 | 2023-06-14 | Prefabricated dish waste water treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220201683U true CN220201683U (en) | 2023-12-19 |
Family
ID=89151682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321503508.4U Active CN220201683U (en) | 2023-06-14 | 2023-06-14 | Prefabricated dish waste water treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220201683U (en) |
-
2023
- 2023-06-14 CN CN202321503508.4U patent/CN220201683U/en active Active
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