CN204342610U - Pig farm breeding wastewater biochemical treatment system - Google Patents

Pig farm breeding wastewater biochemical treatment system Download PDF

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Publication number
CN204342610U
CN204342610U CN201420767908.0U CN201420767908U CN204342610U CN 204342610 U CN204342610 U CN 204342610U CN 201420767908 U CN201420767908 U CN 201420767908U CN 204342610 U CN204342610 U CN 204342610U
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China
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pond
outlet
pool
waste water
box
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CN201420767908.0U
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Chinese (zh)
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甘华
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CHONGQING GANTAI ENVIRONMENTAL PROTECTION EQUIPMENT Co Ltd
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CHONGQING GANTAI ENVIRONMENTAL PROTECTION EQUIPMENT Co Ltd
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Abstract

The utility model discloses a kind of pig farm breeding wastewater biochemical treatment system, be made up of grating tank, the agitated pool that catchments, solid-liquid separating machine, just heavy hydrolysis acidification pool, IC reactor, one-level anoxic pond, the first carbon alkali lye pond, one-level Aerobic Pond, intermediate sedimentation pond, secondary anoxic pond, the second carbon alkali lye pond, secondary Aerobic Pond, medicament pond, dephosphorization settling tank, acidification pool, the oxygen pool of holding concurrently, sterilization pool, the filler of regulating.The utility model designs this process system according to the feature of feces of farm waste water, good sewage processing effect, final energy qualified discharge, behind carbon alkali lye pond, anoxic pond and Aerobic Pond is entered from IC reactor waste water out, be conducive to microbial growth, improve the efficiency of anoxic and aerobic treatment, while sewage disposal, produce biogas.

Description

Pig farm breeding wastewater biochemical treatment system
Technical field
The utility model relates to a kind of pig farm breeding wastewater biochemical treatment system.
Background technology
In recent years; along with the raising of expanding economy and living standards of the people; livestock products demand also constantly increases; facilitate the livestock breeding industry of China towards mass-producing, intensive future development thereupon; according to investigations, current domestic most plant all have employed the mode of dry clear excrement, and the livestock breeding wastewater of generation is mostly rinse the waste water such as colony house; these waste water directly enter or enter river,lake and reservior with rain drop erosion, make water body blackening smelly.Permeate the ground for a long time, the nitrate content in underground water is increased, water quality deterioration, severe contamination plant's surrounding enviroment and underground water, threaten the healthy of resident near plant.
Utility model content
For existing problem, the purpose of this utility model is to provide a kind of sewage treatment system for farm.
To achieve these goals, the technical solution of the utility model is: a kind of pig farm breeding wastewater biochemical treatment system, comprise grating tank (1), it is characterized in that: the water outlet of described grating tank (1) is connected with the agitated pool that catchments (2), stirrer (2a) is provided with in the described agitated pool that catchments (2), the water outlet of the described agitated pool that catchments (2) is extracted into solid-liquid separating machine (3) by pump, the liquid exit of described solid-liquid separating machine (3) is connected to just heavy adjustment hydrolysis acidification pool (4) by pipeline, the described just heavy bottom of hydrolysis acidification pool (4) that regulates is provided with sludge pump (4a), the described just heavy liquid exit of hydrolysis acidification pool (4) that regulates is connected with the import of IC reactor (5), the upper outlet body of described IC reactor (5) is provided with sludge gas collecting device, the liquid exit of described IC reactor (5) is connected with one-level anoxic pond (7) by pipeline, the outlet of described one-level anoxic pond (7) is connected with the first carbon alkali lye pond (8), the outlet in described first carbon alkali lye pond (8) is connected with one-level Aerobic Pond (9), the outlet of described one-level Aerobic Pond (9) is connected with intermediate sedimentation pond (10) by pipeline, the water outlet of described intermediate sedimentation pond (10) is connected with secondary anoxic pond (11) by pipeline, described secondary anoxic pond (11) is connected with the second carbon alkali lye pond (12) by pipeline, the outlet in described second carbon alkali lye pond (12) is connected with secondary Aerobic Pond (13) by pipeline, described secondary Aerobic Pond (13) is connected with medicament pond (14) by pipeline, Calcified pond (141) and flocculation basin (142) is provided with in described medicament pond (14), the import of described Calcified pond (141) is connected with secondary Aerobic Pond (13), the outlet of described Calcified pond (141) is connected with flocculation basin (142), the outlet of described flocculation basin (142) is connected with dephosphorization settling tank (15), the liquid outlet of described dephosphorization settling tank (15) is connected with acidification pool (16), the liquid outlet of described acidification pool (16) is connected with the double oxygen pool (17),
Described solid-liquid separating machine (3) comprises the lower box (3-1) of upper end open, the base plate (3-1a) of described lower box (3-1) is swash plate downward-sloping gradually from front to back, the bottom of the backboard of described lower box (3-1) is provided with water outlet (3-4), described water outlet (3-4) regulates the water-in of hydrolysis acidification pool (4) to be connected by pipeline with just heavy, the left side plate of described lower box (3-1) upwards extends, described lower box (3-1) extension is upwards right-angled trapezium plate (3-2), this right-angled trapezium plate (3-2) hypotenuse is positioned at front side, the front end on the left side plate top of described lower box (3-1) is arranged with screw extrusion press sleeve open holes (3-3), in this screw extrusion press sleeve open holes (3-3), by ring flange, extruser is installed, described extruser comprises auger sleeve (3-16), be positioned at the screw auger (3-17) of auger sleeve (3-16), the left end of described auger sleeve (3-16) is to lower case (3-1) extension, the downside of the end of the extension (3-16a) of this auger sleeve (3-16) is provided with slag notch (3-16b), the upside that described auger sleeve (3-16) is positioned at the part of lower case (3-1) has opening for feed (3-16c), the bottom of described auger sleeve (3-16) and its extension (3-16a) is provided with permeable hole (3-16d), the below of the extension (3-16a) of described auger sleeve (3-16) is provided with sewage collecting box (3-18), described sewage collecting box (3-18) is positioned between the left side wall of lower case (3-1) and slag notch (3-16b), the bottom of described sewage collecting box (3-18) is provided with wastewater outlet (3-18a),
Waste water baffle-box (3-8) is provided with between the top of the right-angled trapezium plate (3-2) of the described left and right sides, the backboard of described waste water baffle-box (3-8) is provided with waste water inlet (3-9), mixture in the described agitated pool that catchments (2) pumps in waste water baffle-box (3-8) from waste water inlet (9), described wastewater outlet (3-18a) is also connected with waste water inlet (3-9), and the height of the front side board of described waste water baffle-box (3-8) is lower than the height of backboard; Filter screen (3-19) is provided with between the back side panel of the front side board upper end of described waste water baffle-box (3-8) and the opening for feed (3-16c) of auger sleeve (3-16).
Adopt such scheme, grid are mainly used in the preliminary removal to bulk foreign material in water after sewage network accesses sewage work; The breeding wastewater stirred in the agitated pool that catchments is extracted in waste water baffle-box, waste water in waste water baffle-box flows from top to down along filter screen in screw extrusion press, in this process, most water is walked by filter screen filter, water flows on the base plate of lower box, flow out from the water outlet at the lower box back side, the water that water outlet flows out enters preliminary sedimentation tank and carries out just heavy adjustment hydrolysis acidification pool.
Slag inclusion waste water enters auger sleeve from opening for feed, unnecessary water flows in cabinet from the permeable hole of auger lower cartridge again, under the effect of screw auger, slag constantly enters the extension of auger sleeve, slag is squeezed when entering the extension of auger sleeve, a small amount of waste water flows to sewage collecting box from the permeable hole of extension again, and the wastewater outlet of this sewage collecting box is connected with waste water baffle-box, again enters next circulation.Excrement slag then from slag notch out, enters fertilizer workshop.
Just the heavy hydrolysis acidification pool Main Function that regulates is runoff investigation and the tiny foreign material of preliminary precipitation, ensures that follow-up water treatment building normally runs. also play the function of larger molecular organics in acidication waste water.IC reactor decomposing organic matter, and a large amount of COD, BOD removed in waste water produces the reaction unit of biogas.After IC reactor, liquid enters one-level anoxic pond and one-level Aerobic Pond, utilize the pond of microbiological deterioration organism process, in anoxic pond, denitrifying bacterium utilizes the organism carbon source in waste water, be that nitrogen is discharged in air by bringing a large amount of nitrate-nitrogen reduction in backflow mixed liquor into, therefore, BOD declines, and nitrate declines.
Acidic substance during first carbon alkali lye pond is used for and in water, make water be weakly alkaline, are conducive to microbial growth.Improve the efficiency of aerobic reaction.
In one-level Aerobic Pond, organism is degraded by microbial biochemical and continues to decline, and organonitrogen is by ammonification and then nitrated, be ammonia nitrogen concentration decline, but along with digestive process be nitrate increase, P is along with the excessive extraction of polyP bacteria, enter in bacterium, P content in sewage is declined.
One-level Aerobic Pond water out enters medium sediment pool, again precipitates, the excess sludge in removing Aerobic Pond, makes pond, front end remain active.
Intermediate sedimentation pond secondary anoxic pond and secondary Aerobic Pond react further, and more the process of plus depth remaining COD, BOD, makes water quality be cleaned further, process in rear end to polyP bacteria simultaneously.Second carbon alkali lye pond is also to regulate pH, makes applicable microbial growth, improves the efficiency of aerobic treatment.
From secondary Aerobic Pond out after, enter Calcified pond and flocculation basin and dephosphorization settling tank, the unnecessary polyP bacteria produced processed, the polyP bacteria of excessive suction phosphorus is removed from waste water, thus reaches the function of dephosphorization; Simultaneously to remaining excess sludge of generation precipitation.And by adding acid for adjusting pH, improve effluent quality.
Finally enter the double oxygen pool.Effect utilizes the microorganism in pool and algae to carry out a biological disposal upon to sewage and organic waste water, carries out waste water evolution, purify water further by " bath bacterium cogeneration system " in pool.This water quality is just recoverable after sterilization.
In such scheme: described sludge gas collecting device comprises methane purifying system (61) and biogas storage system (62).
In such scheme: described one-level Aerobic Pond (9) is provided with refluxing opening, and this refluxing opening is connected with one-level anoxic pond (7) by pipeline.
In such scheme: described secondary Aerobic Pond (13) is provided with refluxing opening, and this refluxing opening is connected with secondary anoxic pond (11) by pipeline.
In such scheme: the described double oxygen pool (17) is connected with sterilization pool (18).
In such scheme: the middle part in described one-level Aerobic Pond (9) and secondary Aerobic Pond (13) is equipped with filler (19), and the base plate of described one-level Aerobic Pond (9) and secondary Aerobic Pond (13) is equipped with aeration tube (20).
In such scheme: the base plate of described intermediate sedimentation pond (10) is respectively equipped with sludge collecting board (21), described sludge collecting board (21) indention distributes, and the bottom in the middle of every two sludge collecting boards (21) is provided with shore pipe (22).
In such scheme: the upper end of the front side board of the opening for feed (3-16c) of described auger sleeve (3-16) is provided with front apron (3-5), described front apron (3-5) reaches the top outside the front side board of lower box (3-1), side shield (3-6) is connected with between the bottom of the both sides of this front apron (3-5) and the hypotenuse of right-angled trapezium plate (3-2), the upper end thereof of described front apron (3-5) has cover plate (3-7), both sides respective side baffle plate (3-6) of described cover plate (3-7) are provided with side cover plate (3-71), the upper end of the back side panel of the opening for feed (3-16c) of described auger sleeve (3-16) is provided with rear deflector door (3-13), described rear deflector door (3-13) and front apron (3-5) separate in herringbone.Arrange front apron and rear deflector door at opening for feed, like this, make the width expansion of opening for feed, opening for feed is increased, facilitates charging, meanwhile, arranging of front apron can avoid slag inclusion waste water to go out.Side shield is set, avoids waste water to flow out from the side, cover plate is set whole cabinet can be made to seal.Peculiar smell during reduction work.
Beneficial effect: the utility model designs this process system according to the feature of feces of farm waste water, good sewage processing effect, final energy qualified discharge, behind carbon alkali lye pond, anoxic pond and Aerobic Pond is entered from IC reactor waste water out, be conducive to microbial growth, improve the efficiency of anoxic and aerobic treatment, while sewage disposal, produce biogas, the good separating effect of solid-liquid separating machine.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of Aerobic Pond;
Fig. 3 is the structural representation in intermediate sedimentation pond;
Fig. 4 is the structural representation of medicament pond and dephosphorization settling tank;
Fig. 5 is the structural representation of solid-liquid separating machine;
Fig. 6 is the structural representation that Fig. 5 removes cabinet after filter screen;
Fig. 7 is the scheme of installation of rear deflector door;
Fig. 8 is the structural representation on rear side of cabinet;
Fig. 9 is cabinet left side view;
Figure 10 is lateral side view;
Figure 11 is the structural representation of auger sleeve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Embodiment 1
As shown in figs. 1-11: pig farm of the present utility model breeding wastewater biochemical treatment system is by grating tank 1, catchment agitated pool 2, solid-liquid separating machine 3, just heavy adjustment hydrolysis acidification pool 4, IC reactor 5, sludge gas collecting device, one-level anoxic pond 7, first carbon alkali lye pond 8, one-level Aerobic Pond 9, intermediate sedimentation pond 10, secondary anoxic pond 11, second carbon alkali lye pond 12, secondary Aerobic Pond 13, medicament pond 14, dephosphorization settling tank 15, acidification pool 16, the double oxygen pool 17, sterilization pool 18, filler 19, aeration tube 20, the parts compositions such as sludge collecting board 21 and shore pipe 22.
The water outlet of grating tank 1 is connected with the agitated pool 2 that catchments, catchment in agitated pool 2 and be provided with stirrer 2a, the water outlet of agitated pool 2 of catchmenting is extracted into solid-liquid separating machine 3 by pump, the liquid exit of solid-liquid separating machine 3 is connected to just heavy adjustment hydrolysis acidification pool 4 by pipeline, just the heavy bottom of hydrolysis acidification pool 4 that regulates is provided with sludge pump 4a, just the heavy liquid exit of hydrolysis acidification pool 4 that regulates is connected with the import of IC reactor 5, the upper outlet body of IC reactor 5 is provided with sludge gas collecting device, and sludge gas collecting device comprises methane purifying system 61 and biogas storage system 62.Biogas storage system 62 is connected with user.
IC reactor 5 is high efficiency anaerobic reactor again.The liquid exit of IC reactor 5 is connected with one-level anoxic pond 7 by pipeline, and the outlet of one-level anoxic pond 7 is connected with the first carbon alkali lye pond 8, and what all fill in the first alkali lye pond 8 and the second alkali lye pond 12 is sodium carbonate solution.By the pH value of the first carbon alkali lye pond 8 regulates liquid, be conducive to microbial growth, the outlet in the first carbon alkali lye pond 8 is connected with one-level Aerobic Pond 9, and one-level Aerobic Pond 9 is provided with refluxing opening, and this refluxing opening is connected with one-level anoxic pond 7 by pipeline.The outlet of one-level Aerobic Pond 9 is connected with intermediate sedimentation pond 10 by pipeline, the water outlet in intermediate sedimentation pond 10 is connected with secondary anoxic pond 11 by pipeline, secondary anoxic pond 11 is connected with the second carbon alkali lye pond 12, the outlet in the second carbon alkali lye pond 12 is connected with secondary Aerobic Pond 13 by pipeline, secondary Aerobic Pond 13 is provided with refluxing opening, and this refluxing opening is connected with secondary anoxic pond 11 by pipeline.Secondary Aerobic Pond 13 is connected with medicament pond 14 by pipeline, Calcified pond 141 and flocculation basin 142 is provided with in medicament pond 14, the import of Calcified pond 141 is connected with secondary Aerobic Pond 13, the outlet of Calcified pond 141 is connected with flocculation basin 142, stirrer is provided with in flocculation basin 142, the outlet of flocculation basin 142 is connected with dephosphorization settling tank 15, and the liquid outlet of dephosphorization settling tank 15 is connected with acidification pool 16, and the liquid outlet of acidification pool 16 is connected with the double oxygen pool 17.The double oxygen pool 17 is connected with sterilization pool 18.
Middle part in one-level Aerobic Pond 9 and secondary Aerobic Pond 13 is equipped with filler 19, the base plate of one-level Aerobic Pond 9 and secondary Aerobic Pond 13 is equipped with aeration tube 20.Described aeration tube 20 is connected with gas blower 23.The base plate in intermediate sedimentation pond 10 is respectively equipped with sludge collecting board 21, sludge collecting board 21 indention distributes, and the bottom in the middle of every two sludge collecting boards 21 is provided with shore pipe 22.
Described dephosphorization settling tank 15 comprises pond body 151, water-in 152 is provided with on the top of the right side wall of pond body 151, the top of left side wall is provided with water outlet 153, the middle part of described pond body 151 is provided with vertical baffle 154, distance is had between this vertical baffle 154 and base plate of pond body 151, packing layer 155 is provided with between the lower end of described vertical baffle 154 and the left side wall of pond body 151, baffle plate 156 is provided with before described water-in 152, on the top cover of described baffle plate 156 device pond body 151, the lower end of described baffle plate 156 extends to below water-in 152, baffle plate 156 avoids the sewage of pump suction to spatter everywhere.The base plate of described pond body 151 is also provided with sludge collecting board 21, described sludge collecting board 21 indention distribution, the bottom of the centre of described sludge collecting board 21 is provided with shore pipe 22, described dephosphorization settling tank 15, the just heavy mud of the bottom in hydrolysis acidification pool 4 and intermediate sedimentation pond 10 that regulates are extracted into sludge drying pond by sludge pump, mummifying pool effect is solid-liquid separation, mud to enter after mummifying pool precipitate and separate under gravity, and clear liquid enters perforated tube from bottom, and dry-matter is by manually removing.
Solid-liquid separating machine 3 is placed the parts such as plate 3-10, angle steel 3-11, waste water baffle plate 3-12, rear deflector door 3-13, upper cover plate 3-14, front side door-plate, Rear Door 3-15, auger sleeve 3-16, screw auger 3-17 formed by lower box 3-1, right-angled trapezium plate 3-2, screw extrusion press sleeve open holes 3-3, water outlet 3-4, front apron 3-5, side shield 3-6, cover plate 3-7, waste water baffle-box 3-8, waste water inlet 3-9, filter screen.
The lower end of the left side plate of lower box 3-1 is to downward-extension, and the lower end of this extension outwards bends, and this extension and kink form the installation portion of lower box 3-1.The base plate 3-1a of lower box 3-1 is swash plate downward-sloping gradually from front to back, and the bottom of the backboard of lower box 3-1 is provided with water outlet 3-4, and this water outlet 3-4 regulates the water-in of hydrolysis acidification pool 4 to be connected with just heavy.The left side plate of lower box 3-1 upwards extends, and lower box 3-1 extension is upwards right-angled trapezium plate 3-2, and this right-angled trapezium plate 3-2 hypotenuse is positioned at front side, and the front end on the left side plate top of lower box 3-1 is arranged with screw extrusion press sleeve open holes 3-3.
In this screw extrusion press sleeve open holes 3-3, be provided with extruser by ring flange, extruser comprises auger sleeve 3-16, is positioned at the screw auger 3-17 of auger sleeve 3-16, and the two ends of screw auger 3-17 reach outside auger sleeve 3-16.The two ends of auger sleeve 3-16 are arranged in screw extrusion press sleeve open holes 3-3 by ring flange, the left end of auger sleeve 3-16 is to lower case 3-1 extension, the downside of the end of the extension 3-16a of this auger sleeve 3-16 is provided with slag notch 3-16b, the upside that auger sleeve 3-16 is positioned at the part of lower case 3-1 has opening for feed 3-16c, the upper end of the front side board of the opening for feed 3-16c of auger sleeve 3-16 is provided with front apron 3-5, front apron 3-5 reaches the top outside the front side board of lower box 3-1, side shield 3-6 is connected with between the bottom of the both sides of this front apron 3-5 and the hypotenuse of right-angled trapezium plate 3-2, the upper end thereof of front apron 3-5 has cover plate 3-7, the both sides respective side baffle plate 3-6 of cover plate 3-7 is provided with side cover plate 3-71, the upper end of the back side panel of the opening for feed 3-16c of auger sleeve 3-16 is provided with rear deflector door 3-13, rear deflector door 3-13 and front apron 3-5 is that herringbone separates, opening for feed 3-16c is equivalent to widen high, be conducive to charging.
The bottom of auger sleeve 3-16 and its extension 3-16a is provided with permeable hole 3-16d, the below of the extension 3-16a of auger sleeve 3-16 is provided with sewage collecting box 3-18, sewage collecting box 3-18 is the casing of upper end open, sewage collecting box 3-18 is between the left side wall and slag notch 3-16b of lower case 3-1, and the bottom of sewage collecting box 3-18 is provided with wastewater outlet 3-18a.The top of the front-rear side walls of the extension 3-16a of auger sleeve 3-16 is welded with water tank web plate 3-16e respectively, and the front-rear side walls of sewage collecting box 3-18 upwards extends and is connected with this water tank web plate 3-16e.
The upper weld of the end of the extension 3-16a of auger sleeve 3-16 has motor fixing frame 3-16f, and motor fixing frame 3-16f is for installing auger motor.
Waste water baffle-box 3-8 is provided with between the top of the right-angled trapezium plate 3-2 of the left and right sides, the backboard of waste water baffle-box 3-8 is provided with waste water inlet 3-9, the mixture catchmented in agitated pool 2 pumps in waste water baffle-box 3-8 from waste water inlet 9, and wastewater outlet 3-18a is also connected with waste water inlet 3-9.The height of the front side board of waste water baffle-box 3-8 is lower than the height of backboard; The upper end of the front side board of waste water baffle-box 8 is welded with angle steel 3-11, and the inner side on the summit of angle steel 3-11 is welded on the upper end of the front side board of waste water baffle-box 8.The one block of plate being equivalent to angle steel 3-11 is positioned at waste water baffle-box 3-8, and another block plate reaches outside waste water baffle-box 3-8.It is not shown in FIG. that the two ends, left and right of the front side board of waste water baffle-box 3-8 are respectively equipped with baffle plate.Avoid waste water to flow out from two ends, thus flow directly in lower box 3-1 from the gap between filter screen and right-angled trapezium plate 3-2.In waste water baffle-box 3-8, the front of waste water inlet 3-9 is provided with waste water baffle plate 3-12.Avoid waste water to take out when 3-9 comes in from waste water inlet and impact is brought to the water outlet of waste water baffle-box 3-8.The inner side of the right-angled trapezium plate 3-2 of the left and right sides is provided with the filter screen placement plate 3-10 of inclination, and the upper end that filter screen places plate 3-10 connects with the front side board of waste water baffle-box 3-8.Filter screen is made to be connected tightr with waste water baffle-box 3-8.
Filter screen 3-19 is fixed on filter screen and places on plate 3-10, and filter screen 3-19 comprises support bar and grating, and grating is welded on support bar.The upper end of filter screen 3-19 reaches below the side plate that angle steel 3-11 is positioned at outside waste water baffle-box 3-8, and the lower end of filter screen 3-19 is connected to the upper end of rear deflector door 3-13.The left and right sides of filter screen 3-19 is provided with baffle plate 3-19a, and described baffle plate 3-19a is angle steel, and the lower end of its vertical plate is welded on the both sides of filter screen, and on it, transverse plate reaches the top of filter screen 3-19.Waste water is avoided directly to flow in lower box 3-1 from the both sides of filter screen 3-19.Arrange filter screen and place plate 3-10 for installing filter screen 3-19, the both sides of filter screen 3-19 can be fixed on filter screen by web members such as bolts and place on plate 3-10.At the upper end of waste water baffle-box 3-front side board welding angle steel 3-11, the one block of plate being equivalent to angle steel 3-11 is positioned at waste water baffle-box, another block plate reaches waste water baffle-box and forms flow deflector outward, and filter screen 3-19 reaches the below of this plate, can ensure that waste water all flows on filter screen like this.
Upper cover plate 3-14 is provided with between the top of the hypotenuse of the right-angled trapezium plate 3-2 of the left and right sides, upper cover plate 3-14 is the n shape cover plate be made up of with the support plate being positioned at top board both sides top board, the lower end of two support plates of upper cover plate 3-14 is connected on the hypotenuse of left and right right-angled trapezium plate 3-2, and the top of filter screen 3-19 is positioned at below upper cover plate 3-14.
The upper end thereof of the right-angled trapezium plate 3-2 of both sides has front side door-plate (not shown in FIG.), and be provided with Rear Door 3-15 between the backboard of waste water baffle-box 3-8 and lower box 3-1, Rear Door 3-15 is between the square edge of two right-angled trapezium plate 3-2.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.

Claims (8)

1. a pig farm breeding wastewater biochemical treatment system, comprise grating tank (1), it is characterized in that: the water outlet of described grating tank (1) is connected with the agitated pool that catchments (2), stirrer (2a) is provided with in the described agitated pool that catchments (2), the water outlet of the described agitated pool that catchments (2) is extracted into solid-liquid separating machine (3) by pump, the liquid exit of described solid-liquid separating machine (3) is connected to just heavy adjustment hydrolysis acidification pool (4) by pipeline, the described just heavy bottom of hydrolysis acidification pool (4) that regulates is provided with sludge pump, the described just heavy liquid exit of hydrolysis acidification pool (4) that regulates is connected with the import of IC reactor (5), the upper outlet body of described IC reactor (5) is provided with sludge gas collecting device, the liquid exit of described IC reactor (5) is connected with one-level anoxic pond (7) by pipeline, the outlet of described one-level anoxic pond (7) is connected with the first carbon alkali lye pond (8), the outlet in described first carbon alkali lye pond (8) is connected with one-level Aerobic Pond (9), the outlet of described one-level Aerobic Pond (9) is connected with intermediate sedimentation pond (10) by pipeline, the water outlet of described intermediate sedimentation pond (10) is connected with secondary anoxic pond (11) by pipeline, described secondary anoxic pond (11) is connected with the second carbon alkali lye pond (12) by pipeline, the outlet in described second carbon alkali lye pond (12) is connected with secondary Aerobic Pond (13) by pipeline, described secondary Aerobic Pond (13) is connected with medicament pond (14) by pipeline, Calcified pond (141) and flocculation basin (142) is provided with in described medicament pond (14), the import of described Calcified pond (141) is connected with secondary Aerobic Pond (13), the outlet of described Calcified pond (141) is connected with flocculation basin (142), the outlet of described flocculation basin (142) is connected with dephosphorization settling tank (15), the liquid outlet of described dephosphorization settling tank (15) is connected with acidification pool (16), the liquid outlet of described acidification pool (16) is connected with the double oxygen pool (17),
Described solid-liquid separating machine (3) comprises the lower box (3-1) of upper end open, the base plate (3-1a) of described lower box (3-1) is swash plate downward-sloping gradually from front to back, the bottom of the backboard of described lower box (3-1) is provided with water outlet (3-4), described water outlet (3-4) regulates the water-in of hydrolysis acidification pool (4) to be connected by pipeline with just heavy, the left side plate of described lower box (3-1) upwards extends, described lower box (3-1) extension is upwards right-angled trapezium plate (3-2), this right-angled trapezium plate (3-2) hypotenuse is positioned at front side, the front end on the left side plate top of described lower box (3-1) is arranged with screw extrusion press sleeve open holes (3-3), in this screw extrusion press sleeve open holes (3-3), by ring flange, extruser is installed, described extruser comprises auger sleeve (3-16), be positioned at the screw auger (3-17) of auger sleeve (3-16), the left end of described auger sleeve (3-16) is to lower case (3-1) extension, the downside of the end of the extension (3-16a) of this auger sleeve (3-16) is provided with slag notch (3-16b), the upside that described auger sleeve (3-16) is positioned at the part of lower case (3-1) has opening for feed (3-16c), the bottom of described auger sleeve (3-16) and its extension (3-16a) is provided with permeable hole (3-16d), the below of the extension (3-16a) of described auger sleeve (3-16) is provided with sewage collecting box (3-18), described sewage collecting box (3-18) is positioned between the left side wall of lower case (3-1) and slag notch (3-16b), the bottom of described sewage collecting box (3-18) is provided with wastewater outlet (3-18a),
Waste water baffle-box (3-8) is provided with between the top of the right-angled trapezium plate (3-2) of the described left and right sides, the backboard of described waste water baffle-box (3-8) is provided with waste water inlet (3-9), mixture in the described agitated pool that catchments (2) pumps in waste water baffle-box (3-8) from waste water inlet (9), described wastewater outlet (3-18a) is also connected with waste water inlet (3-9), and the height of the front side board of described waste water baffle-box (3-8) is lower than the height of backboard; Filter screen (3-19) is provided with between the back side panel of the front side board upper end of described waste water baffle-box (3-8) and the opening for feed (3-16c) of auger sleeve (3-16).
2. pig farm breeding wastewater biochemical treatment system according to claim 1, is characterized in that: described sludge gas collecting device comprises methane purifying system (61) and biogas storage system (62).
3. pig farm breeding wastewater biochemical treatment system according to claim 1, is characterized in that: described one-level Aerobic Pond (9) is provided with refluxing opening, and this refluxing opening is connected with one-level anoxic pond (7) by pipeline.
4. pig farm breeding wastewater biochemical treatment system according to claim 3, is characterized in that: described secondary Aerobic Pond (13) is provided with refluxing opening, and this refluxing opening is connected with secondary anoxic pond (11) by pipeline.
5. pig farm breeding wastewater biochemical treatment system according to claim 1, is characterized in that: the described double oxygen pool (17) is connected with sterilization pool (18).
6. pig farm breeding wastewater biochemical treatment system according to claim 1, it is characterized in that: the middle part in described one-level Aerobic Pond (9) and secondary Aerobic Pond (13) is equipped with filler (19), and the base plate of described one-level Aerobic Pond (9) and secondary Aerobic Pond (13) is equipped with aeration tube (20).
7. pig farm breeding wastewater biochemical treatment system according to claim 1, it is characterized in that: the base plate of described intermediate sedimentation pond (10) is respectively equipped with sludge collecting board (21), described sludge collecting board (21) indention distributes, and the bottom in the middle of every two sludge collecting boards (21) is provided with shore pipe (22).
8. pig farm breeding wastewater biochemical treatment system according to claim 1, it is characterized in that: the upper end of the front side board of the opening for feed (3-16c) of described auger sleeve (3-16) is provided with front apron (3-5), described front apron (3-5) reaches the top outside the front side board of lower box (3-1), side shield (3-6) is connected with between the bottom of the both sides of this front apron (3-5) and the hypotenuse of right-angled trapezium plate (3-2), the upper end thereof of described front apron (3-5) has cover plate (3-7), both sides respective side baffle plate (3-6) of described cover plate (3-7) are provided with side cover plate (3-71), the upper end of the back side panel of the opening for feed (3-16c) of described auger sleeve (3-16) is provided with rear deflector door (3-13), described rear deflector door (3-13) and front apron (3-5) separate in herringbone.
CN201420767908.0U 2014-12-09 2014-12-09 Pig farm breeding wastewater biochemical treatment system Withdrawn - After Issue CN204342610U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104402175A (en) * 2014-12-09 2015-03-11 重庆甘泰环保设备有限公司 Biochemical treatment system for breeding waste water in pig farm
CN105152473A (en) * 2015-09-02 2015-12-16 广西益能环保工程有限公司 Culture waste water energy self circulation disposal system and method thereof
CN108911367A (en) * 2018-06-26 2018-11-30 浙江环耀环境建设有限公司 Polyamide waste water treatment system and its treatment process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104402175A (en) * 2014-12-09 2015-03-11 重庆甘泰环保设备有限公司 Biochemical treatment system for breeding waste water in pig farm
CN104402175B (en) * 2014-12-09 2016-04-27 重庆甘泰环保设备有限公司 A kind of pig farm breeding wastewater biochemical treatment system
CN105152473A (en) * 2015-09-02 2015-12-16 广西益能环保工程有限公司 Culture waste water energy self circulation disposal system and method thereof
CN108911367A (en) * 2018-06-26 2018-11-30 浙江环耀环境建设有限公司 Polyamide waste water treatment system and its treatment process

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