CN110713310B - Sewage advanced treatment device and method based on microbial activated sponge iron filler - Google Patents
Sewage advanced treatment device and method based on microbial activated sponge iron filler Download PDFInfo
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- CN110713310B CN110713310B CN201910778794.7A CN201910778794A CN110713310B CN 110713310 B CN110713310 B CN 110713310B CN 201910778794 A CN201910778794 A CN 201910778794A CN 110713310 B CN110713310 B CN 110713310B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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Abstract
The invention discloses a sewage advanced treatment device based on microbial activation sponge iron filler, which comprises a pretreatment tank and a biochemical treatment tank, wherein the pretreatment tank and the biochemical treatment tank are connected through a guide pipe; the invention has reasonable structural design, high sewage treatment efficiency, and great market prospect and popularization and application value.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage advanced treatment device and method based on a microbial activated sponge iron filler.
Background
Along with the continuous improvement of the living standard of people, the domestic water consumption is increased day by day, which leads to the continuous increase of the sewage discharge. At present, the commonly used sewage treatment technologies mainly comprise: anaerobic methane tank, constructed wetland, land infiltration system, etc. Wherein the anaerobic methane tank treats domestic sewage, the effluent quality can reach the discharge standard, and fertilizer suitable for agricultural production can be produced; the artificial wetland realizes the removal of pollutants mainly through the synergistic effect of microorganisms and aquatic plants in an ecological treatment system; the land infiltration system applies the sewage on the land and purifies the sewage by utilizing the purification capacity of the soil; the soil purification effect mainly comprises filtration and adsorption in the physical process, chemical reaction, chemical precipitation, organic matter degradation under the action of microbial metabolism and the like. The sponge iron is direct reduced iron and is called sponge iron because the inside is porous like sponge. The main function of the iron-based composite material can be used for deoxidizing sewage, the novel zero-valent iron material represented by sponge iron has strong reducibility, and various pollutants can be reduced in the self-oxidation process.
However, the existing sewage treatment device using the sponge iron filler has unstable operation and low enrichment biomass, so the treatment efficiency is also low; on the other hand, the existing sewage treatment device using the sponge body filler has larger volume and higher equipment maintenance cost.
Disclosure of Invention
Aiming at the technical problems, the invention provides the sewage deep treatment device based on the microbial activated sponge iron filler, which has a compact structure and high sewage treatment efficiency.
The technical scheme of the invention is as follows: a sewage advanced treatment device based on microbial activation sponge iron filler comprises a pretreatment tank and a biochemical treatment tank, wherein the pretreatment tank and the biochemical treatment tank are fixedly arranged on a bottom plate, the lower end of the pretreatment tank is connected with the upper end of the biochemical treatment tank through a conduit, a sewage pump is arranged at the joint, a water inlet is formed in the upper end of the pretreatment tank, a sewage primary filter assembly and a sedimentation assembly are sequentially arranged in the pretreatment tank from top to bottom, the primary filter assembly comprises a water collecting barrel and a filter barrel, the water collecting barrel is movably clamped in the pretreatment tank, the filter barrel is fixedly arranged at the lower end of the water collecting barrel, the lower end of the filter barrel is provided with an opening, a conical barrel is arranged at the upper end of the filter barrel, a plurality of filter holes are uniformly formed in the conical barrel, and the sedimentation assembly is used for carrying out sedimentation treatment on sewage filtered by the primary filter assembly; the biochemical treatment tank is internally provided with a water distribution plate and a sponge iron filler from top to bottom in sequence, the biochemical treatment tank is provided with an aeration component, an ozone disinfection component, a microbial liquid feeding component and a water cleaning port, the water distribution plate is of an inverted cone structure, the upper end of the water distribution plate is provided with a water distribution tank, the water distribution tank is provided with a water distribution hole, the sponge iron filler is arranged in the biochemical treatment tank through a fixing frame, the aeration component comprises an aerator and an aeration pipe, the aeration pipe is arranged at the lower end in the sponge iron filler, the aeration pipe is provided with an aeration head, and the aerator is connected with the aeration pipe; the microbial liquid feeding assembly comprises a microbial liquid box and a spray head, the spray head is arranged inside the biochemical treatment tank and is positioned at the upper end of the sponge iron filler, the microbial liquid box is connected with the spray head, the clear water port is communicated with the lower part of the biochemical treatment tank, and the aerator is powered by an external power supply.
Further, the sedimentation assembly comprises a collecting barrel, a sedimentation collecting box and a power motor, the collecting barrel is movably clamped inside the pretreatment tank, the sedimentation collecting box is movably arranged at the bottom of the collecting barrel through a rotating shaft, the power motor provides power for the sedimentation collecting box, a hollow pipe is vertically arranged at the upper end of the sedimentation collecting box, a water guide port and a through hole are arranged on the sedimentation collecting box, a sludge cavity is arranged at the bottom end inside the sedimentation collecting box, and the hollow pipe is communicated with the sludge cavity; power motor's direction of rotation is unanimous with the opening direction of leading the mouth of a river, and it is rotatory to collect the box through power motor drive sediment, and inside sewage got into the sediment from the water guide mouth under the stirring effect of depositing collection box, impurity in the sewage was collected in falling into the sludge cavity after the inner wall interception of depositing collection box, and impurity is arranged the collecting vessel through the through-hole by the sewage after the interception in, has improved the collection effect of impurity in the sewage.
Furthermore, two water guide ports are arranged on two opposite sides of the precipitation collection box, the two water guide ports are staggered on the same horizontal plane, inclined plates which incline upwards are arranged on the two water guide ports, the through hole is formed in the precipitation collection box, and the through hole and the water guide ports are respectively positioned on the left side and the right side of the same side surface of the precipitation collection box; through setting up two water guide openings, the interception efficiency of well impurity of sewage has been improved, has improved sewage purification effect.
Furthermore, the water distribution tank comprises a first water distribution tank, a second water distribution tank and a third water distribution tank, the heights of the first water distribution tank, the second water distribution tank and the third water distribution tank are sequentially reduced, the widths of the first water distribution tank, the second water distribution tank and the third water distribution tank are sequentially increased, and the first water distribution tank and the second water distribution tank are respectively provided with a water homogenizing port which is mutually communicated; through setting up first water distribution tank, second water distribution tank and the third water distribution tank that highly reduce in proper order, the width increases in proper order for sewage is through the fall of first water distribution tank, second water distribution tank and third water distribution tank back homodisperse, is favorable to the ozone disinfection of sewage more thoroughly.
Furthermore, the upper end inside the aeration head is movably provided with a rotating blade; the rotating blades disturb the sewage, so that the attachment amount of pollutants in the sewage on the sponge iron filler is increased.
Further, the ozone disinfection component comprises an ozone generator and an ozone disinfection cylinder, the ozone disinfection cylinder is arranged in the biochemical treatment pool and is positioned between the water distribution plate and the sponge iron filler, a plurality of disinfection holes are uniformly formed in the inner side of the ozone disinfection cylinder, and the ozone generator is connected with the ozone disinfection cylinder; through setting up an ozone disinfection section of thick bamboo for ozone gas is even to be diffused in the biochemical treatment pond, improves ozone disinfection effect, improves gas-liquid transfer efficiency.
Further, be provided with mud pyrolysis device on the preliminary treatment pond, mud pyrolysis device collects the box with the sediment and is connected, and the junction is provided with the sludge pump, is provided with the mud discharging port on the mud pyrolysis device, carries out the pyrolysis treatment through mud pyrolysis device to sedimentary mud in the mud chamber, is favorable to deposiing the retrieval and utilization of mud, improves the utilization ratio of resource.
A sewage advanced treatment method based on microorganism activated sponge iron filler comprises the following steps:
the method comprises the following steps: the external sewage enters the pretreatment tank through the water inlet, large-particle impurities in the sewage are intercepted in the water collecting barrel under the action of the conical barrel, and the primarily filtered sewage sequentially passes through the filter holes and the filter barrel and enters the precipitation assembly;
step two: the primarily filtered sewage firstly enters a collecting barrel, a precipitation collecting box is driven to rotate by a power motor, the sewage enters the precipitation collecting box from a water guide port, fine impurities in the sewage are intercepted by the precipitation collecting box and then are deposited in a sludge cavity, the precipitate in the sludge cavity is discharged out of a pretreatment tank through a hollow pipe, and the precipitated sewage is pumped into a biochemical treatment tank through a sewage pump;
step three: the sewage pumped into the biochemical treatment tank flows through a first water distribution tank, a second water distribution tank and a third water distribution tank on the water distribution plate in sequence and falls down through the water distribution holes;
step four: the sewage that falls by joining in marriage the water hole is at first through ozone disinfection section of thick bamboo disinfection processing, then gets into the sponge iron filler, sprays the microorganism fungus liquid in the fungus liquid case in the sponge iron filler through the shower nozzle to in letting in the sponge iron filler through the aeration head on the aeration pipe with the gas that the aerator produced, rotatory paddle is rotatory under the effect of air current, and the sewage that is handled through the sponge iron filler is discharged from the clear water mouth.
Compared with the prior art, the invention has the beneficial effects that: the sewage advanced treatment device based on the microbial activated sponge iron filler provided by the invention has the advantages of compact equipment structure, low operation and maintenance cost and high sewage treatment efficiency; the invention greatly reduces the content of harmful impurities in the sewage by filtering, precipitating and filling the sewage, and reaches the sewage discharge standard; before the sewage is treated by the sponge iron filler, the sewage is sterilized by ozone gas, so that the sewage treatment effect of the subsequent sponge iron filler is improved, the operation period of the device is prolonged, the sludge deposited in the sludge cavity is pyrolyzed by the sludge pyrolysis device, the reuse of the deposited sludge is facilitated, and the resource utilization rate is improved; the method has the advantages of no need of back washing equipment and special sludge treatment structures, low capital construction cost and operation cost, overcoming the problem of reduced removal rate caused by head loss after long-time operation of the common biological aerated filter, and having great market prospect and popularization and application value.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the primary sewage filter assembly of the present invention;
FIG. 3 is a top view of the primary sewage filter assembly of the present invention;
FIG. 4 is a schematic view of the structure of the sediment collection cassette of the present invention;
FIG. 5 is a schematic structural view of the water distribution plate of the present invention;
fig. 6 is a schematic view of the connection of the aeration pipe and the aeration head of the present invention;
wherein, 1-a pretreatment tank, 10-a sewage pump, 11-a water inlet, 2-a biochemical treatment tank, 3-a bottom plate, 4-a sewage primary filter component, 40-a water collecting barrel, 41-a filter barrel, 42-a cone-shaped barrel, 420-a filter hole, 5-a precipitation component, 51-a collection barrel, 52-a precipitation collection box, 520-a hollow pipe, 521-a water guide port, 522-a through hole, 523-a sludge cavity, 524-an inclined plate, 53-a power motor, 6-a water distribution plate, 60-a water distribution tank, 600-a first water distribution tank, 601-a second water distribution tank, 602-a third water distribution tank, 603-a water homogenizing port, 61-a water distribution hole, 7-sponge iron filler, 70-a fixed frame, 80-an aeration component, 800-an aerator, 801-an aerator pipe, 802-an aerator head, 803-a rotating blade, 81-an ozone disinfection component, 810-an ozone generator, 811-an ozone disinfection cylinder, 82-a microorganism liquid feeding component, 820-a microorganism liquid box, 821-a spray head, 83-a clear water port, 9-a sludge pyrolysis device, 90-a sludge pump and 91-a sludge discharge port.
Detailed Description
Example 1: as shown in figures 1, 2 and 3, the advanced wastewater treatment device based on the microbial activated sponge iron filler comprises a pretreatment tank 1 and a biochemical treatment tank 2, wherein the pretreatment tank 1 and the biochemical treatment tank 2 are both fixedly arranged on a bottom plate 3, the lower end of the pretreatment tank 1 is connected with the upper end of the biochemical treatment tank 2 through a conduit, a sewage pump 10 is arranged at the joint, a water inlet 11 is arranged at the upper end of the pretreatment tank 1, a primary wastewater filter assembly 4 and a sedimentation assembly 5 are sequentially arranged in the pretreatment tank 1 from top to bottom, the primary wastewater filter assembly 4 comprises a water collecting barrel 40 and a filter barrel 41, the water collecting barrel 40 is movably clamped in the pretreatment tank 1, the filter barrel 41 is fixedly arranged at the lower end of the water collecting barrel 40, the lower end of the filter barrel 41 is open, a conical barrel 42 is arranged at the upper end of the filter barrel 41, a plurality of filter holes 420 are uniformly arranged on the conical barrel 42, and the sedimentation assembly 5 is used for carrying out sedimentation treatment on wastewater filtered by the primary wastewater filter assembly 4, the sedimentation component 5 adopts a QYL type inclined tube sedimentation tank produced by Luoyang Qianyi environmental protection equipment limited company;
as shown in fig. 1, 2, 5 and 6, a water distribution plate 6 and a sponge iron filler 7 are sequentially arranged in a biochemical treatment tank 2 from top to bottom, an aeration component 80, an ozone disinfection component 81, a microorganism liquid feeding component 82 and a water cleaning port 83 are arranged on the biochemical treatment tank 2, the water distribution plate 6 is of an inverted cone structure, a water distribution tank 60 is arranged at the upper end of the water distribution plate 6, a water distribution hole 61 is arranged on the water distribution tank 60, the sponge iron filler 7 is arranged in the biochemical treatment tank 2 through a fixing frame 70, the aeration component 80 comprises an aerator 800 and an aeration pipe 801, the aeration pipe 801 is arranged at the lower end in the sponge iron filler 7, an aeration head 802 is arranged on the aeration pipe 801, and a rotary blade 803 is movably arranged at the upper end in the aeration head 802; the sewage is disturbed by rotating the blades 803, so that the attachment amount of pollutants in the sewage on the sponge iron filler 7 is increased, and the aerator 800 is connected with the aeration pipe 801; the ozone disinfection component 81 comprises an ozone generator 810 and an ozone disinfection cylinder 811, the ozone disinfection cylinder 811 is arranged in the biochemical treatment pool 2 and is positioned between the water distribution plate 6 and the sponge iron filler 7, a plurality of disinfection holes are uniformly arranged on the inner side of the ozone disinfection cylinder 811, and the ozone generator 810 is connected with the ozone disinfection cylinder 811; by arranging the ozone disinfection cylinder 811, ozone gas is uniformly diffused into the biochemical treatment tank 2, the ozone disinfection effect is improved, and the gas-liquid transfer efficiency is improved; the microbial liquid feeding assembly 82 comprises a microbial liquid box 820 and a spray head 821, the spray head 821 is arranged inside the biochemical treatment tank 2 and is positioned at the upper end of the sponge iron filler 7, the microbial liquid box 820 is connected with the spray head 821, the clean water port 83 is communicated with the lower part of the biochemical treatment tank 2, and the power motor 53 and the aerator 800 are powered by an external power supply.
A sewage advanced treatment method based on microorganism activated sponge iron filler comprises the following steps:
the method comprises the following steps: the external sewage enters the pretreatment tank 1 through the water inlet 11, firstly, large-particle impurities in the sewage are intercepted in the water collecting barrel 40 under the action of the conical barrel 42, and the primarily filtered sewage sequentially passes through the filtering holes 420 and the filtering barrel 41 and enters the precipitation assembly 5;
step two: the sewage after primary filtration enters a QYL type inclined tube sedimentation tank for sedimentation, and the sewage after sedimentation treatment is pumped into a biochemical treatment tank 2 through a sewage pump 10;
step three: the sewage pumped into the biochemical treatment tank 2 flows through the first water distribution tank 600, the second water distribution tank 601 and the third water distribution tank 602 on the water distribution plate 6 in sequence and falls down through the water distribution holes 61;
step four: the sewage falling from the water distribution hole 61 is firstly disinfected by the ozone disinfection cylinder 811 and then enters the sponge iron filler 7, the microorganism liquid in the microorganism liquid box 820 is sprayed in the sponge iron filler 7 through the spray head 821, the gas generated by the aerator 800 is introduced into the sponge iron filler 7 through the aeration head 802 on the aeration pipe 801, the rotating blades 803 rotate under the action of the airflow, and the sewage treated by the sponge iron filler 7 is discharged from the clear water port 83.
Example 2: as shown in figures 1, 2, 3, 4, a sewage deep treatment device based on microbial activation sponge iron filler comprises a pretreatment tank 1 and a biochemical treatment tank 2, wherein the pretreatment tank 1 and the biochemical treatment tank 2 are both fixedly arranged on a bottom plate 3, the lower end of the pretreatment tank 1 is connected with the upper end of the biochemical treatment tank 2 through a conduit, a sewage pump 10 is arranged at the joint, a water inlet 11 is arranged at the upper end of the pretreatment tank 1, a sewage primary filtering component 4 and a precipitating component 5 are sequentially arranged in the pretreatment tank 1 from top to bottom, the primary filtering component 4 comprises a water collecting barrel 40 and a filtering barrel 41, the water collecting barrel 40 is movably clamped in the pretreatment tank 1, the filtering barrel 41 is fixedly arranged at the lower end of the water collecting barrel 40, the lower end of the filtering barrel 41 is open, a conical barrel 42 is arranged at the upper end of the filtering barrel 41, a plurality of filtering holes 420 are uniformly arranged on the conical barrel 42, the precipitating component 5 comprises a collecting barrel 51, The pretreatment device comprises a precipitation collection box 52 and a power motor 53, wherein the collection barrel 51 is movably clamped in the pretreatment tank 1, the precipitation collection box 52 is movably arranged at the bottom of the collection barrel 51 through a rotating shaft, a hollow pipe 520 is vertically arranged at the upper end of the precipitation collection box 52, a water guide opening 521 and a through hole 522 are arranged on the precipitation collection box 52, a sludge cavity 523 is arranged at the bottom end in the precipitation collection box 52, and the hollow pipe 520 is communicated with the sludge cavity 523; the rotating direction of the power motor 53 is consistent with the opening direction of the water guide opening 521, the power motor 53 drives the precipitation collection box 52 to rotate, sewage enters the precipitation collection box 52 from the water guide opening 521 under the stirring action of the precipitation collection box 52, impurities in the sewage fall into the sludge cavity 523 after being intercepted by the inner wall of the precipitation collection box 52 for collection, the sewage after being intercepted is discharged into the collection barrel through the through hole 522, and the collection effect of the impurities in the sewage is improved; the two water guide ports 521 are arranged on two opposite sides of the sediment collection box 52, the two water guide ports 521 are mutually staggered on the same horizontal plane, inclined plates 524 inclined upwards are arranged on the two water guide ports 521, the through hole 522 is arranged on the sediment collection box 52, and the through hole 522 and the water guide ports 521 are respectively positioned on the left side and the right side of the same side of the sediment collection box 52; by arranging the two water guide ports 521, the interception efficiency of impurities in the sewage is improved, and the sewage purification effect is improved;
as shown in fig. 1, 2, 5 and 6, a water distribution plate 6 and a sponge iron filler 7 are sequentially arranged in a biochemical treatment tank 2 from top to bottom, an aeration component 80, an ozone disinfection component 81, a microorganism liquid feeding component 82 and a water cleaning port 83 are arranged on the biochemical treatment tank 2, the water distribution plate 6 is of an inverted cone structure, a water distribution tank 60 is arranged at the upper end of the water distribution plate 6, a water distribution hole 61 is arranged on the water distribution tank 60, the sponge iron filler 7 is arranged in the biochemical treatment tank 2 through a fixing frame 70, the aeration component 80 comprises an aerator 800 and an aeration pipe 801, the aeration pipe 801 is arranged at the lower end in the sponge iron filler 7, an aeration head 802 is arranged on the aeration pipe 801, and a rotary blade 803 is movably arranged at the upper end in the aeration head 802; the sewage is disturbed by rotating the blades 803, so that the attachment amount of pollutants in the sewage on the sponge iron filler 7 is increased, and the aerator 800 is connected with the aeration pipe 801; the ozone disinfection component 81 comprises an ozone generator 810 and an ozone disinfection cylinder 811, the ozone disinfection cylinder 811 is arranged in the biochemical treatment pool 2 and is positioned between the water distribution plate 6 and the sponge iron filler 7, a plurality of disinfection holes are uniformly arranged on the inner side of the ozone disinfection cylinder 811, and the ozone generator 810 is connected with the ozone disinfection cylinder 811; by arranging the ozone disinfection cylinder 811, ozone gas is uniformly diffused into the biochemical treatment tank 2, the ozone disinfection effect is improved, and the gas-liquid transfer efficiency is improved; the microbial liquid feeding assembly 82 comprises a microbial liquid box 820 and a spray head 821, the spray head 821 is arranged inside the biochemical treatment tank 2 and is positioned at the upper end of the sponge iron filler 7, the microbial liquid box 820 is connected with the spray head 821, the clean water port 83 is communicated with the lower part of the biochemical treatment tank 2, and the power motor 53 and the aerator 800 are powered by an external power supply.
A sewage advanced treatment method based on microorganism activated sponge iron filler comprises the following steps:
the method comprises the following steps: the external sewage enters the pretreatment tank 1 through the water inlet 11, firstly, large-particle impurities in the sewage are intercepted in the water collecting barrel 40 under the action of the conical barrel 42, and the primarily filtered sewage sequentially passes through the filtering holes 420 and the filtering barrel 41 and enters the precipitation assembly 5;
step two: the primarily filtered sewage firstly enters a collecting barrel 51, a power motor 53 drives a precipitation collecting box 52 to rotate, the sewage enters the precipitation collecting box 52 from a water guide opening 521, fine impurities in the sewage are intercepted by the precipitation collecting box 52 and then are deposited in a sludge cavity 523, the precipitate in the sludge cavity 523 is discharged out of a pretreatment tank 1 through a hollow pipe 520, and the precipitated sewage is pumped into a biochemical treatment tank 2 through a sewage pump 10;
step three: the sewage pumped into the biochemical treatment tank 2 flows through the first water distribution tank 600, the second water distribution tank 601 and the third water distribution tank 602 on the water distribution plate 6 in sequence and falls down through the water distribution holes 61;
step four: the sewage falling from the water distribution hole 61 is firstly disinfected by the ozone disinfection cylinder 811 and then enters the sponge iron filler 7, the microorganism liquid in the microorganism liquid box 820 is sprayed in the sponge iron filler 7 through the spray head 821, the gas generated by the aerator 800 is introduced into the sponge iron filler 7 through the aeration head 802 on the aeration pipe 801, the rotating blades 803 rotate under the action of the airflow, and the sewage treated by the sponge iron filler 7 is discharged from the clear water port 83.
Example 3: as shown in figures 1, 2 and 3, the advanced wastewater treatment device based on the microbial activated sponge iron filler comprises a pretreatment tank 1 and a biochemical treatment tank 2, wherein the pretreatment tank 1 and the biochemical treatment tank 2 are both fixedly arranged on a bottom plate 3, the lower end of the pretreatment tank 1 is connected with the upper end of the biochemical treatment tank 2 through a conduit, a sewage pump 10 is arranged at the joint, a water inlet 11 is arranged at the upper end of the pretreatment tank 1, a primary wastewater filter assembly 4 and a sedimentation assembly 5 are sequentially arranged in the pretreatment tank 1 from top to bottom, the primary wastewater filter assembly 4 comprises a water collecting barrel 40 and a filter barrel 41, the water collecting barrel 40 is movably clamped in the pretreatment tank 1, the filter barrel 41 is fixedly arranged at the lower end of the water collecting barrel 40, the lower end of the filter barrel 41 is open, a conical barrel 42 is arranged at the upper end of the filter barrel 41, a plurality of filter holes 420 are uniformly arranged on the conical barrel 42, and the sedimentation assembly 5 is used for carrying out sedimentation treatment on wastewater filtered by the primary wastewater filter assembly 4, the sedimentation component 5 adopts a QYL type inclined tube sedimentation tank produced by Luoyang Qianyi environmental protection equipment limited company;
as shown in fig. 1, 2, 5 and 6, a water distribution plate 6 and a sponge iron filler 7 are sequentially arranged in a biochemical treatment tank 2 from top to bottom, an aeration component 80, an ozone disinfection component 81, a microorganism liquid feeding component 82 and a water cleaning port 83 are arranged on the biochemical treatment tank 2, the water distribution plate 6 is of an inverted cone structure, a water distribution tank 60 is arranged at the upper end of the water distribution plate 6, a water distribution hole 61 is arranged on the water distribution tank 60, the sponge iron filler 7 is arranged in the biochemical treatment tank 2 through a fixing frame 70, the aeration component 80 comprises an aerator 800 and an aeration pipe 801, the aeration pipe 801 is arranged at the lower end in the sponge iron filler 7, an aeration head 802 is arranged on the aeration pipe 801, and a rotary blade 803 is movably arranged at the upper end in the aeration head 802; the sewage is disturbed by rotating the blades 803, so that the attachment amount of pollutants in the sewage on the sponge iron filler 7 is increased, and the aerator 800 is connected with the aeration pipe 801; the ozone disinfection component 81 comprises an ozone generator 810 and an ozone disinfection cylinder 811, the ozone disinfection cylinder 811 is arranged in the biochemical treatment pool 2 and is positioned between the water distribution plate 6 and the sponge iron filler 7, a plurality of disinfection holes are uniformly arranged on the inner side of the ozone disinfection cylinder 811, and the ozone generator 810 is connected with the ozone disinfection cylinder 811; by arranging the ozone disinfection cylinder 811, ozone gas is uniformly diffused into the biochemical treatment tank 2, the ozone disinfection effect is improved, and the gas-liquid transfer efficiency is improved; the microbial liquid feeding assembly 82 comprises a microbial liquid box 820 and a spray head 821, the spray head 821 is arranged inside the biochemical treatment tank 2 and is positioned at the upper end of the sponge iron filler 7, the microbial liquid box 820 is connected with the spray head 821, the clean water port 83 is communicated with the lower part of the biochemical treatment tank 2, and the power motor 53 and the aerator 800 are powered by an external power supply.
A sewage advanced treatment method based on microorganism activated sponge iron filler comprises the following steps:
the method comprises the following steps: the external sewage enters the pretreatment tank 1 through the water inlet 11, firstly, large-particle impurities in the sewage are intercepted in the water collecting barrel 40 under the action of the conical barrel 42, and the primarily filtered sewage sequentially passes through the filtering holes 420 and the filtering barrel 41 and enters the precipitation assembly 5;
step two: the sewage after primary filtration enters a QYL type inclined tube sedimentation tank for sedimentation, and the sewage after sedimentation treatment is pumped into a biochemical treatment tank 2 through a sewage pump 10;
step three: the sewage pumped into the biochemical treatment tank 2 flows through the first water distribution tank 600, the second water distribution tank 601 and the third water distribution tank 602 on the water distribution plate 6 in sequence and falls down through the water distribution holes 61;
step four: the sewage falling from the water distribution hole 61 is firstly disinfected by the ozone disinfection cylinder 811 and then enters the sponge iron filler 7, the microorganism liquid in the microorganism liquid box 820 is sprayed in the sponge iron filler 7 through the spray head 821, the gas generated by the aerator 800 is introduced into the sponge iron filler 7 through the aeration head 802 on the aeration pipe 801, the rotating blades 803 rotate under the action of the airflow, and the sewage treated by the sponge iron filler 7 is discharged from the clear water port 83.
Example 4: as shown in figures 1, 2, 3, 4, a sewage deep treatment device based on microbial activation sponge iron filler comprises a pretreatment tank 1 and a biochemical treatment tank 2, wherein the pretreatment tank 1 and the biochemical treatment tank 2 are both fixedly arranged on a bottom plate 3, the lower end of the pretreatment tank 1 is connected with the upper end of the biochemical treatment tank 2 through a conduit, a sewage pump 10 is arranged at the joint, a water inlet 11 is arranged at the upper end of the pretreatment tank 1, a sewage primary filtering component 4 and a precipitating component 5 are sequentially arranged in the pretreatment tank 1 from top to bottom, the primary filtering component 4 comprises a water collecting barrel 40 and a filtering barrel 41, the water collecting barrel 40 is movably clamped in the pretreatment tank 1, the filtering barrel 41 is fixedly arranged at the lower end of the water collecting barrel 40, the lower end of the filtering barrel 41 is open, a conical barrel 42 is arranged at the upper end of the filtering barrel 41, a plurality of filtering holes 420 are uniformly arranged on the conical barrel 42, the precipitating component 5 comprises a collecting barrel 51, The pretreatment device comprises a precipitation collection box 52 and a power motor 53, wherein the collection barrel 51 is movably clamped in the pretreatment tank 1, the precipitation collection box 52 is movably arranged at the bottom of the collection barrel 51 through a rotating shaft, a hollow pipe 520 is vertically arranged at the upper end of the precipitation collection box 52, a water guide opening 521 and a through hole 522 are arranged on the precipitation collection box 52, a sludge cavity 523 is arranged at the bottom end in the precipitation collection box 52, and the hollow pipe 520 is communicated with the sludge cavity 523; the rotating direction of the power motor 53 is consistent with the opening direction of the water guide opening 521, the power motor 53 drives the precipitation collection box 52 to rotate, sewage enters the precipitation collection box 52 from the water guide opening 521 under the stirring action of the precipitation collection box 52, impurities in the sewage fall into the sludge cavity 523 after being intercepted by the inner wall of the precipitation collection box 52 for collection, the sewage after being intercepted is discharged into the collection barrel through the through hole 522, and the collection effect of the impurities in the sewage is improved; the two water guide ports 521 are arranged on two opposite sides of the precipitation collection box 52, the two water guide ports 521 are staggered on the same horizontal plane, inclined plates 524 inclined upwards are arranged on the two water guide ports 521, the through hole 522 is arranged on the precipitation collection box 52, the through hole 522 and the water guide ports 21 are respectively positioned on the left side and the right side of the same side of the precipitation collection box 52, and by arranging the two water guide ports 521, the intercepting efficiency of impurities in sewage is improved, and the sewage purification effect is improved; the pretreatment tank 1 is provided with a sludge pyrolysis device 9, the sludge pyrolysis device 9 is connected with the precipitation collection box 52, a sludge pump 90 is arranged at the joint, the sludge pyrolysis device 9 is provided with a sludge discharge port 91, and the sludge deposited in the sludge cavity 523 is pyrolyzed by the sludge pyrolysis device 9, so that the reuse of the precipitated sludge is facilitated, and the utilization rate of resources is improved;
as shown in fig. 1, 2, 5 and 6, a water distribution plate 6 and a sponge iron filler 7 are sequentially arranged in a biochemical treatment tank 2 from top to bottom, an aeration component 80, an ozone disinfection component 81, a microorganism liquid feeding component 82 and a water cleaning port 83 are arranged on the biochemical treatment tank 2, the water distribution plate 6 is of an inverted cone structure, a water distribution tank 60 is arranged at the upper end of the water distribution plate 6, a water distribution hole 61 is arranged on the water distribution tank 60, the sponge iron filler 7 is arranged in the biochemical treatment tank 2 through a fixing frame 70, the aeration component 80 comprises an aerator 800 and an aeration pipe 801, the aeration pipe 801 is arranged at the lower end in the sponge iron filler 7, an aeration head 802 is arranged on the aeration pipe 801, and a rotary blade 803 is movably arranged at the upper end in the aeration head 802; the sewage is disturbed by rotating the blades 803, so that the attachment amount of pollutants in the sewage on the sponge iron filler 7 is increased, and the aerator 800 is connected with the aeration pipe 801; the ozone disinfection component 81 comprises an ozone generator 810 and an ozone disinfection cylinder 811, the ozone disinfection cylinder 811 is arranged in the biochemical treatment pool 2 and is positioned between the water distribution plate 6 and the sponge iron filler 7, a plurality of disinfection holes are uniformly arranged on the inner side of the ozone disinfection cylinder 811, and the ozone generator 810 is connected with the ozone disinfection cylinder 811; by arranging the ozone disinfection cylinder 811, ozone gas is uniformly diffused into the biochemical treatment tank 2, the ozone disinfection effect is improved, and the gas-liquid transfer efficiency is improved; the microbial liquid feeding assembly 82 comprises a microbial liquid box 820 and a spray head 821, the spray head 821 is arranged inside the biochemical treatment tank 2 and is positioned at the upper end of the sponge iron filler 7, the microbial liquid box 820 is connected with the spray head 821, the clean water port 83 is communicated with the lower part of the biochemical treatment tank 2, and the power motor 53 and the aerator 800 are powered by an external power supply.
A sewage advanced treatment method based on microorganism activated sponge iron filler comprises the following steps:
the method comprises the following steps: the external sewage enters the pretreatment tank 1 through the water inlet 11, firstly, large-particle impurities in the sewage are intercepted in the water collecting barrel 40 under the action of the conical barrel 42, and the primarily filtered sewage sequentially passes through the filtering holes 420 and the filtering barrel 41 and enters the precipitation assembly 5;
step two: the primarily filtered sewage firstly enters a collecting barrel 51, a power motor 53 drives a precipitation collecting box 52 to rotate, the sewage enters the precipitation collecting box 52 from a water guide opening 521, fine impurities in the sewage are intercepted by the precipitation collecting box 52 and then are deposited in a sludge cavity 523, the precipitate in the sludge cavity 523 is discharged out of a pretreatment tank 1 through a hollow pipe 520, and the precipitated sewage is pumped into a biochemical treatment tank 2 through a sewage pump 10;
step three: the sewage pumped into the biochemical treatment tank 2 flows through the first water distribution tank 600, the second water distribution tank 601 and the third water distribution tank 602 on the water distribution plate 6 in sequence and falls down through the water distribution holes 61;
step four: the sewage falling from the water distribution hole 61 is firstly disinfected by the ozone disinfection cylinder 811 and then enters the sponge iron filler 7, the microorganism liquid in the microorganism liquid box 820 is sprayed in the sponge iron filler 7 through the spray head 821, the gas generated by the aerator 800 is introduced into the sponge iron filler 7 through the aeration head 802 on the aeration pipe 801, the rotating blades 803 rotate under the action of the airflow, and the sewage treated by the sponge iron filler 7 is discharged from the clear water port 83.
Application example: the device is applied to the advanced treatment of domestic sewage in a certain city in northern China, the designed water inflow is 3200t/d, and through detection, the indexes of the water quality of the inlet water are that COD is 480mg/L, BOD is 198mg/L, SS is 290mg/L, TN is 65mg/L and TP is 8 mg/L; the treatment time is 24 hours, after treatment, the effluent quality indexes are that COD is 40mg/L, BOD is 1920mg/L, SS is 1710mg/L, TN is less than or equal to 16mg/L, and TP is 3 mg/L; the quality of the effluent reaches the sewage discharge standard.
Claims (2)
1. The advanced sewage treatment device based on the microbial activation sponge iron filler is characterized by comprising a pretreatment tank (1) and a biochemical treatment tank (2), wherein the pretreatment tank (1) and the biochemical treatment tank (2) are fixedly arranged on a bottom plate (3), the lower end of the pretreatment tank (1) is connected with the upper end of the biochemical treatment tank (2) through a conduit, a sewage pump (10) is arranged at the joint, a water inlet (11) is arranged at the upper end of the pretreatment tank (1), and a primary sewage filter assembly (4) and a sedimentation assembly (5) are sequentially arranged in the pretreatment tank (1) from top to bottom;
the primary filter assembly (4) comprises a water collecting barrel (40) and a filter barrel (41), the water collecting barrel (40) is movably clamped inside the pretreatment tank (1), the filter barrel (41) is fixedly arranged at the lower end of the water collecting barrel (40), the lower end of the filter barrel (41) is open, a conical barrel (42) is arranged at the upper end of the filter barrel (41), and a plurality of filter holes (420) are uniformly formed in the conical barrel (42);
the sedimentation assembly (5) comprises a collecting barrel (51), a sedimentation collecting box (52) and a power motor (53), the collecting barrel (51) is movably clamped inside the pretreatment tank (1), the sedimentation collecting box (52) is movably arranged at the bottom of the collecting barrel (51) through a rotating shaft, and the power motor (53) provides power for the sedimentation collecting box (52); a hollow pipe (520) is vertically arranged at the upper end of the sediment collection box (52), a water guide opening (521) and a through hole (522) are arranged on the sediment collection box (52), a sludge cavity (523) is arranged at the bottom end inside the sediment collection box (52), and the hollow pipe (520) is communicated with the sludge cavity (523); the two water guide ports (521) are arranged on two opposite sides of the sediment collection box (52), the two water guide ports (521) are staggered on the same horizontal plane, inclined plates (524) inclined upwards are arranged on the two water guide ports (521), the through hole (522) is arranged on the sediment collection box (52), and the through hole (522) and the water guide port (521) are respectively positioned on the left side and the right side of the same side surface of the sediment collection box (52);
the biochemical treatment device is characterized in that a water distribution plate (6) and a sponge iron filler (7) are sequentially arranged in the biochemical treatment tank (2) from top to bottom, an aeration component (80), an ozone disinfection component (81), a microorganism liquid feeding component (82) and a clear water port (83) are arranged on the biochemical treatment tank (2), the water distribution plate (6) is of an inverted cone-shaped structure, a water distribution tank (60) is arranged at the upper end of the water distribution plate (6), and a water distribution hole (61) is formed in the water distribution tank (60); the water distribution tank (60) comprises a first water distribution tank (600), a second water distribution tank (601) and a third water distribution tank (602), the heights of the first water distribution tank (600), the second water distribution tank (601) and the third water distribution tank (602) are sequentially reduced, the widths of the first water distribution tank (600), the second water distribution tank (601) and the third water distribution tank (602) are sequentially increased, and water homogenizing ports (603) which are mutually communicated are respectively arranged on the first water distribution tank (600) and the second water distribution tank (601);
the sponge iron filler (7) is arranged in the biochemical treatment tank (2) through a fixing frame (70), the aeration component (80) comprises an aerator (800) and an aeration pipe (801), the aeration pipe (801) is arranged at the lower end in the sponge iron filler (7), an aeration head (802) is arranged on the aeration pipe (801), and the aerator (800) is connected with the aeration pipe (801); the upper end inside the aeration head (802) is movably provided with a rotating blade (803);
the ozone disinfection component (81) comprises an ozone generator (810) and an ozone disinfection cylinder (811), the ozone disinfection cylinder (811) is arranged inside the biochemical treatment pool (2) and is positioned between the water distribution plate (6) and the sponge iron filler (7), a plurality of disinfection holes are uniformly formed in the inner side of the ozone disinfection cylinder (811), and the ozone generator (810) is connected with the ozone disinfection cylinder (811);
the microbial liquid feeding assembly (82) comprises a microbial liquid box (820) and a spray head (821), the spray head (821) is arranged inside the biochemical treatment pool (2) and is located at the upper end of the sponge iron filler (7), the microbial liquid box (820) is connected with the spray head (821), and the clean water port (83) is communicated with the lower portion of the biochemical treatment pool (2).
2. The method for advanced wastewater treatment by using the device for advanced wastewater treatment based on the microorganism activated sponge iron filler in claim 1 is characterized by comprising the following steps:
the method comprises the following steps: the external sewage enters the pretreatment tank (1) through the water inlet (11), firstly, large-particle impurities in the sewage are intercepted in the water collecting barrel (40) under the action of the conical barrel (42), and the primarily filtered sewage sequentially passes through the filtering holes (420) and the filtering barrel (41) and enters the precipitation assembly (5);
step two: the primarily filtered sewage firstly enters a collecting barrel (51), a power motor (53) drives a precipitation collecting box (52) to rotate, the sewage enters the precipitation collecting box (52) from a water guide opening (521), fine impurities in the sewage are intercepted by the precipitation collecting box (52) and then are deposited in a sludge cavity (523), the precipitate in the sludge cavity (523) is discharged out of a pretreatment tank (1) through a hollow pipe (520), and the precipitated sewage is pumped into a biochemical treatment tank (2) through a sewage pump (10);
step three: the sewage pumped into the biochemical treatment tank (2) flows through a first water distribution tank (600), a second water distribution tank (601) and a third water distribution tank (602) on the water distribution plate (6) in sequence and falls down through the water distribution holes (61);
step four: the sewage falling from the water distribution hole (61) is firstly disinfected by an ozone disinfection cylinder (811) and then enters the sponge iron filler (7), the microbial liquid in the microbial liquid tank (820) is sprayed in the sponge iron filler (7) through a spray head (821), the gas generated by an aerator (800) is introduced into the sponge iron filler (7) through an aeration head (802) on an aeration pipe (801), a rotating blade (803) rotates under the action of air flow, and the sewage treated by the sponge iron filler (7) is discharged from a clean water port (83).
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| RU133828U1 (en) * | 2013-05-14 | 2013-10-27 | Владимир Андреевич Доброхотов | INSTALLATION FOR BIOLOGICAL CLEANING OF DOMESTIC WASTE WATERS |
| CN106565038A (en) * | 2016-11-16 | 2017-04-19 | 防城港市鑫润养殖有限公司 | Sea shrimp breeding circulating water processing technology |
| CN106630380A (en) * | 2016-11-13 | 2017-05-10 | 兰州交通大学 | Reactor for decentralized treatment of domestic wastewater |
| CN208250117U (en) * | 2018-03-31 | 2018-12-18 | 河南硕之家环保科技有限公司 | The sewage-treatment plant of environmental protection |
| CN109467221A (en) * | 2018-12-13 | 2019-03-15 | 博大绿泽生态建设集团有限公司 | A kind of environment-friendly type gardens sewage water treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU133828U1 (en) * | 2013-05-14 | 2013-10-27 | Владимир Андреевич Доброхотов | INSTALLATION FOR BIOLOGICAL CLEANING OF DOMESTIC WASTE WATERS |
| CN106630380A (en) * | 2016-11-13 | 2017-05-10 | 兰州交通大学 | Reactor for decentralized treatment of domestic wastewater |
| CN106565038A (en) * | 2016-11-16 | 2017-04-19 | 防城港市鑫润养殖有限公司 | Sea shrimp breeding circulating water processing technology |
| CN208250117U (en) * | 2018-03-31 | 2018-12-18 | 河南硕之家环保科技有限公司 | The sewage-treatment plant of environmental protection |
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