CN212713188U - Improved enhanced microorganism sludge reduction system - Google Patents
Improved enhanced microorganism sludge reduction system Download PDFInfo
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- CN212713188U CN212713188U CN202020939342.0U CN202020939342U CN212713188U CN 212713188 U CN212713188 U CN 212713188U CN 202020939342 U CN202020939342 U CN 202020939342U CN 212713188 U CN212713188 U CN 212713188U
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Abstract
The utility model relates to an improve enhancement mode microorganism sludge abatement system, the system carries out the matched stack with the high-efficient microorganism of different functions through set up the microorganism activity carrier layer that the load has microbial community in good oxygen pond, through multiple bioengineering means with microbial community "sleep" in the active carrier of a multienzyme body, further through biochemical effect, effectively subduct mud. The system thoroughly changes the traditional activated sludge method, and can ensure that microorganisms in the water body are completely subjected to specific optimized screening. The system greatly reduces the energy consumption of sludge treatment, simplifies the production process of a sludge treatment plant, improves the treatment efficiency, effectively prevents the odor of the organic sludge from generating, and does not produce secondary pollution.
Description
Technical Field
The utility model relates to an environmental protection technology field, concretely relates to improve enhancement mode microorganism sludge abatement system.
Background
The existing sludge treatment in sewage treatment engineering mainly comprises the steps of discharging excess sludge generated by biochemistry out of a system, removing organic sludge through sludge reduction treatment, concentrating and dehydrating the excess inorganic sludge to form a mud cake, and carrying out landfill treatment. The prior art of above-mentioned processing mud causes secondary pollution easily, has reduced environmental quality, and uses a large amount of sludge treatment medicaments, needs a large amount of electric energy of loss and manpower, brings a lot of inconveniences for the sludge treatment process, the indirect cost that has promoted sludge treatment. Some municipal sewage plants generate sludge which is not near a landfill site and is transported far away, and the sludge is often hindered by villages and towns due to odor in the process of transportation, so that the sludge is very useless.
SUMMERY OF THE UTILITY MODEL
The utility model provides an above-mentioned problem, a improve enhancement mode microorganism mud subducting system is proposed, the system has the microbial community's active carrier layer through setting up the load in the aerobic tank, carries out the matched stack with the high-efficient microorganism of different functions, through multiple bioengineering means with microbial community "sleep" in the active carrier of a multienzyme body, further through biochemical effect, effectively subduct mud.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
an improved enhanced microorganism sludge reduction system is characterized by comprising a sludge concentration tank, an anaerobic tank, an aerobic tank, a sedimentation tank and a sludge storage tank which are sequentially communicated;
and a microbial activity carrier layer is arranged in the aerobic pool and comprises a carrier and a microbial flora attached to the carrier.
Furthermore, the bottom of the anaerobic tank is provided with a stirring device so as to prevent sludge from depositing on the bottom of the tank.
Further, a biological treatment device A for providing anaerobic microbial flora is arranged at the bottom of the anaerobic pool, and a shell for accommodating the cavity, a filler and a dispersing device are arranged inside the shell.
Furthermore, a reflux pump A is arranged at the bottom of the aerobic tank, and a fan is arranged at the upper part of the aerobic tank.
Furthermore, a biological treatment device B for providing aerobic microbial floras for the microbial activity carrier layer is arranged at the middle upper part of the aerobic tank, and a nano aeration pipe is arranged at the bottom of the aerobic tank.
Further, the biological treatment device B is internally provided with a shell for accommodating the cavity, a filler arranged in the shell and a dispersing device.
Furthermore, a reflux pump B is arranged in the middle of the sedimentation tank and is used for pumping supernatant into the anaerobic tank, and bottom mud directly enters the sludge storage tank or is subjected to filter pressing.
Furthermore, backflow pipelines are arranged between the anaerobic tank and the aerobic tank, between the anaerobic tank and the sedimentation tank and between the aerobic tank and the sedimentation tank.
Furthermore, the anaerobic tank and the aerobic tank are both of multi-section cuboid steel structures or steel concrete structures.
Furthermore, the material of the carrier filler of the microbial activity carrier layer is a polypropylene material, and the volume of the microbial activity carrier layer accounts for 35% -45% of the filling rate of the pool volume.
Further, the biological treatment apparatus has been patented (application No. 2019207580773, entitled "an improved enhanced biological treatment apparatus").
Furthermore, the biological treatment device comprises a shell with a containing cavity inside, a filler and a dispersing device, wherein the filler is arranged inside the shell, the filler comprises a microbial flora and a multienzyme active carrier suitable for propagation of the microbial flora, the microbial flora is arranged inside the multienzyme active carrier, a plurality of through holes for providing release channels for the microbial flora are formed in the shell, the multienzyme active carrier provided with the microbial flora is arranged inside the shell, the microbial flora can rapidly propagate in a large quantity under the protection of the multienzyme active carrier, and the microbial flora is dispersed to the outside of the shell through the through holes of the shell under the dispersing action of the dispersing device; wherein the microbial flora mainly comprises the following species: microorganisms decomposing COD and BOD, microorganisms decomposing ammonia nitrogen, microorganisms decomposing hydrogen sulfide and the like to prevent odor generation, microorganisms decomposing organic sludge, microorganisms capable of gathering oxygen in water, microorganisms decomposing macromolecular organic chemicals and other various microorganisms. The amount of microorganisms in each spherical filler can reach the level of ten million, and about 200 hundred million microorganisms exist, so that the capability of the microorganisms for effectively purifying sludge can be ensured.
An improved enhanced microbial sludge reduction process comprising the steps of:
(1) the sludge is concentrated in a sludge concentration tank, and then the sludge is lifted into an anaerobic tank by a lifting pump to stay for anaerobic treatment, so that aerobic microorganisms are stopped and decomposed due to anaerobic life;
(2) automatically flowing the decomposed sludge through the aerobic tank after the sludge stays in the anaerobic tank in the step (1), performing biochemical degradation treatment on the sludge, and returning supernatant to the anaerobic tank for recycling treatment again; the bacteria returning to anaerobic condition will also end their life, and the viable bacteria are mixotrophic bacteria.
(3) And (3) digesting the organic sludge flowing through the aerobic tank in the step (2), precipitating the residual inorganic sludge by flowing through the sedimentation tank, refluxing the supernatant into the anaerobic tank and the aerobic tank for retreatment, and drying and transporting the sludge generated by precipitation in the sedimentation tank into a sludge storage tank.
Compared with the prior art, the technical scheme of the utility model have following advantage:
(1) the improved enhanced microorganism sludge reduction system of the utility model is provided with a sludge concentration tank, an anaerobic tank, an aerobic tank, a sedimentation tank and a sludge storage tank which are communicated in sequence; a microbial activity carrier layer is arranged in the aerobic pool and comprises an active carrier and a microbial flora attached to the active carrier; high-efficiency microorganisms with different functions are combined, microbial floras sleep in an active carrier of a multienzyme through various bioengineering methods, and sludge is effectively reduced through biochemical action; greatly reduces the energy consumption of sludge outward transportation and sludge treatment, improves the treatment efficiency, and can prevent the secondary pollution of odor emitted by the sludge outward transportation to the environment;
(2) the sludge produced in the sewage treatment process is biochemically treated by utilizing the high-efficiency microorganisms selected and combined in the active carrier biological device, and the sludge is further degraded to generate CO2、H2Small molecular inorganic substances such as O and the like reduce the dosage of sludge treatment equipment and the final quantity of outward transported sludge, thereby further protecting ecological natural circulation;
(3) the reduction of the sludge treatment amount also reduces the use amount of sludge treatment agents, reduces the use frequency of sludge treatment equipment, reduces the electric energy loss, the labor time of workers and the labor intensity, and can bring certain economic benefits; after the sludge treatment, the urban environmental pollution can be obviously improved, the urban grade can be improved, the ecological environment can be improved, and the environmental quality can be improved.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an improved enhanced microbial sludge reduction system according to the present invention;
FIG. 1-sludge thickener; 2-an anaerobic tank; 21-a stirring device; 22-a biological treatment device; 3-an aerobic tank; 31-a layer of a microbially active carrier; 32-reflux pump; 33-a biological treatment device; 34-a nano aeration pipe; 4-a sedimentation tank; 41-reflux pump; and 5, a sludge storage pool.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
The embodiment provides an improved enhanced microbial sludge reduction system, which comprises a sludge concentration tank 1, an anaerobic tank 2, an aerobic tank 3, a sedimentation tank 4 and a sludge storage tank 5 which are sequentially communicated; a microbial activity carrier layer 31 is arranged in the aerobic pool 3, and the microbial activity carrier layer 31 comprises a carrier and a microbial flora attached to the carrier; the bottom of the anaerobic tank 2 is provided with a stirring device 21 and a biological treatment device A22 for providing anaerobic microbial floras, the bottom of the aerobic tank 3 is provided with a reflux pump A32, the upper part of the aerobic tank is provided with a fan, the middle upper part of the aerobic tank is provided with a biological treatment device B33 for providing the aerobic microbial floras for the microbial activity carrier layer 31, the bottom of the aerobic tank is provided with a nano aeration pipe 34, and the biological treatment device A22 and the biological treatment device B33 are internally provided with a shell with a containing cavity, and a filler and a dispersing device are arranged inside the shell; a reflux pump B41 is arranged at the bottom of the sedimentation tank 4; backflow pipelines are arranged between the anaerobic tank 2 and the aerobic tank 3, between the anaerobic tank 2 and the sedimentation tank 4 and between the aerobic tank 3 and the sedimentation tank 4; the anaerobic tank 2 and the aerobic tank 3 are both of multi-section rectangular steel structures or steel concrete structures; the carrier filler of the microbial activity carrier layer 31 is made of polypropylene material, and the volume of the carrier filler accounts for 35-45% of the tank volume.
The biological treatment device comprises a shell, a filler and a dispersing device, wherein the shell is internally provided with a containing cavity, the filler and the dispersing device are arranged in the shell, the filler comprises a microbial flora and a multienzyme active carrier suitable for the propagation of the microbial flora, the multienzyme active carrier can be a synthetic jade and is in a transparent cavity sponge type, the microbial flora is arranged in the multienzyme active carrier, the shell is provided with a plurality of through holes for providing release channels for the microbial flora, the multienzyme active carrier provided with the microbial flora is arranged in the shell, the microbial flora can rapidly propagate in a large amount under the protection of the multienzyme active carrier, and the microbial flora is dispersed to the outside of the shell through the through holes of the shell under the dispersing action of the dispersing device; wherein the microbial flora in the multienzyme active carrier comprises photosynthetic bacteria,Nitrosobacteria, nitrobacteria, thiobacillus, rhodobacter and polyoxybacteria, wherein the total concentration of the photosynthetic bacteria, the nitrosobacteria, the nitrobacteria, the thiobacillus, the rhodobacter and the polyoxybacteria is 107cfu/mL。
Further, an improved enhanced microbial sludge reduction process is provided, comprising the steps of:
(1) the sludge is concentrated in a sludge concentration tank, and then the sludge is lifted into an anaerobic tank by a lifting pump to stay for anaerobic treatment, so that aerobic microorganisms are stopped and decomposed due to anaerobic life;
(2) automatically flowing the decomposed sludge through the aerobic tank after the sludge stays in the anaerobic tank in the step (1), performing biochemical degradation treatment on the sludge, and returning supernatant to the anaerobic tank for recycling treatment again; the bacteria returning to anaerobic condition will also end their life, and the viable bacteria are mixotrophic bacteria.
(3) And (3) digesting the organic sludge flowing through the aerobic tank in the step (2), precipitating the residual inorganic sludge by flowing through the sedimentation tank, refluxing the supernatant into the anaerobic tank and the aerobic tank for retreatment, and drying and transporting the sludge generated by precipitation in the sedimentation tank into a sludge storage tank.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An improved enhanced microorganism sludge reduction system is characterized by comprising a sludge concentration tank (1), an anaerobic tank (2), an aerobic tank (3), a sedimentation tank (4) and a sludge storage tank (5) which are sequentially communicated;
a microbial activity carrier layer (31) is arranged in the aerobic pool (3), and the microbial activity carrier layer (31) comprises a carrier and a microbial flora attached to the carrier.
2. The improved enhanced microbial sludge reduction system according to claim 1, wherein the bottom of the anaerobic tank (2) is provided with a stirring device (21) and a biological treatment device A (22) for providing anaerobic microbial flora, the biological treatment device A (22) is internally provided with a shell for accommodating the cavity, a filler and a dispersing device which are arranged inside the shell.
3. The improved enhanced microorganism sludge reduction system according to the claim 1, wherein the bottom of the aerobic tank (3) is provided with a reflux pump A (32), and the upper part of the aerobic tank (3) is provided with a fan.
4. The improved enhanced microorganism sludge reduction system according to claim 1, wherein the middle upper part of the aerobic tank (3) is provided with a biological treatment device B (33) for providing aerobic microorganism flora for the microorganism activity carrier layer (31), and the bottom part is provided with a nano aeration pipe (34).
5. The improved enhanced microbial sludge reduction system of claim 4 wherein said biological treatment means B (33) has a housing with a receiving cavity therein, packing and dissipating means disposed within the housing.
6. The improved enhanced microbial sludge reduction system according to claim 1, wherein a reflux pump B (41) is arranged in the middle of the sedimentation tank (4).
7. The system according to claim 1, wherein return pipes are provided between the anaerobic tank (2) and the aerobic tank (3), between the anaerobic tank (2) and the sedimentation tank (4), and between the aerobic tank (3) and the sedimentation tank (4).
8. The improved enhanced microbial sludge reduction system according to claim 1, wherein the anaerobic tank (2) and the aerobic tank (3) are both of multi-section rectangular steel structure or steel concrete structure.
9. The improved enhanced microbial sludge reduction system of claim 1, wherein the carrier filler of the microbial active carrier layer (31) is made of polypropylene material.
10. The improved enhanced microbial sludge reduction system of claim 1 wherein the volume of the microbial active carrier layer (31) is 35-45% of the tank volume.
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| CN202020939342.0U CN212713188U (en) | 2020-05-28 | 2020-05-28 | Improved enhanced microorganism sludge reduction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114940560A (en) * | 2022-05-05 | 2022-08-26 | 中创宏远（北京）环保科技有限公司 | Electric flocculation air-flotation sewage treatment process of upflow activated sludge-biofilm system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114940560A (en) * | 2022-05-05 | 2022-08-26 | 中创宏远（北京）环保科技有限公司 | Electric flocculation air-flotation sewage treatment process of upflow activated sludge-biofilm system |
| CN114940560B (en) * | 2022-05-05 | 2023-08-22 | 中创宏远（北京）环保科技有限公司 | Up-flow activated sludge-biofilm system electric flocculation air floatation sewage treatment process |
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