CN211595374U - Sewage treatment equipment combining suspended biological membrane with deep filtration - Google Patents

Sewage treatment equipment combining suspended biological membrane with deep filtration Download PDF

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Publication number
CN211595374U
CN211595374U CN202020004201.XU CN202020004201U CN211595374U CN 211595374 U CN211595374 U CN 211595374U CN 202020004201 U CN202020004201 U CN 202020004201U CN 211595374 U CN211595374 U CN 211595374U
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sewage treatment
district
anoxic
water
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CN202020004201.XU
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Inventor
邱俊
邱进
王玉杰
严杰
戴榕
项名智
胡月
罗槽
康梦辉
郭若彬
陈唯
陈玮栋
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Jiangxi Yijie Environmental Protection Technology Co ltd
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Jiangxi Yijie Environmental Protection Technology Co ltd
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Abstract

The utility model provides a sewage treatment device that suspension biomembrane and depth filtration ally oneself with usefulness, including pipe chute settling zone, anoxic zone, anaerobic zone, anoxic zone, catalytic oxidation district, vertical flow formula settling zone, filter cloth filtering area, clear water district, ultraviolet disinfection district and equipment room in advance, water gets into from total water inlet and goes out water behind pipe chute settling zone, anoxic zone, catalytic oxidation district, vertical flow formula settling zone, filter cloth filtering area, clear water district and the ultraviolet disinfection district, the catalytic oxidation district including floated filler, micropore aeration system and with the dark aeration that micropore aeration is responsible for the headtotail. The sewage treatment equipment combining the suspended biological membrane with the deep filtration reduces the generation amount of sludge in the contact oxidation area and reduces the load of the biological membrane; the micropore aeration system increases dissolved oxygen, and simultaneously takes away carbon dioxide and other harmful gases in water, prevents that gas from jacking up the biomembrane because of buoyancy, and then makes the biomembrane be difficult to drop.

Description

Sewage treatment equipment combining suspended biological membrane with deep filtration
Technical Field
The utility model relates to a domestic sewage treatment technical field, in particular to sewage treatment equipment that suspension biomembrane and deep filtration ally oneself with usefulness.
Background
In view of the dispersed living in rural areas, although centralized regulation exists, the cost of the pipe network is high, and the laying of the pipe network is determined by actual conditions and cannot reach 100 percent of all-directional coverage; at present, septic tanks (sewage tanks) are built in the rural sewage treatment part, but only the septic tanks (sewage tanks) are used for treatment, and the quality of effluent cannot reach the standard and is discharged.
Current sewage treatment facility all is equipped with the contact oxidation pond, forms the biomembrane through microorganism growth media, realizes the oxidation of sewage, but current contact oxidation pond, can produce a lot of mud in it, leads to the biomembrane easily to drop.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sewage treatment device that suspension biomembrane and deep filtration ally oneself with usefulness to solve the problem that current sewage treatment device biomembrane drops easily.
The utility model provides a sewage treatment device that suspension biomembrane and depth filtration ally oneself with usefulness, including pipe chute settling zone, anoxic zone, anaerobic zone, anoxic zone, catalytic oxidation district, vertical flow formula settling zone, filter cloth filtering area, clear water district, ultraviolet disinfection district and equipment room in advance, water gets into from total water inlet and goes out water behind pipe chute settling zone, anoxic zone, catalytic oxidation district, vertical flow formula settling zone, filter cloth filtering area, clear water district and the ultraviolet disinfection district, the catalytic oxidation district including floated filler, micropore aeration system and with the dark aeration that micropore aeration is responsible for the headtotail.
According to the sewage treatment equipment combining the suspended biological membrane with the deep filtration, microorganisms in a contact oxidation zone are attached to the suspended filler, the effluent of an anoxic zone flows through the suspended filler at a certain flow rate and contacts with the biological membrane, COD (chemical oxygen demand) in the sewage is removed under an aerobic condition, ammonia nitrogen is converted into nitrate nitrogen and nitrite nitrogen, the generation amount of sludge can be reduced, and the load of the biological membrane is reduced; the concealed aeration main pipe is arranged on one side of the top grid cover plate and is connected with the bottom micropore aeration system; the micropore aeration system increases dissolved oxygen, and simultaneously takes away carbon dioxide and other harmful gases in water, prevents that gas from jacking up the biomembrane because of buoyancy, and then makes the biomembrane be difficult to drop.
Furthermore, the inclined tube settling zone comprises a water inlet distribution system, an inclined tube filler arranged on one side of the water inlet distribution system, a sludge discharge system arranged on the lower side of the inclined tube filler, a water outlet system arranged on the upper side of the inclined tube settling zone and a first emptying pipe.
Further, the anoxic zone comprises a first nitrifying liquid reflux system, a first sludge reflux system and a second emptying pipe arranged on the upper side of the anoxic zone.
Furthermore, the vertical flow type settling zone comprises a water inlet system connected with the contact oxidation zone, a sludge storage hopper arranged on the lower side of the vertical flow type settling zone, a central water inlet pipe arranged in the middle of the vertical flow type settling zone, a vent pipe arranged on the upper side of the vertical flow type settling zone, a second nitrification liquid reflux system, a second sludge reflux system and a water outlet system.
Further, the filter cloth filtering area comprises filter cloth and a back washing system.
Further, the sterilization zone includes an ultraviolet sterilizer.
Further, the concealed aeration main pipe is connected with the micropore aeration system through an electric valve.
Furthermore, the pre-anoxic zone is simultaneously connected with the first nitrifying liquid reflux system and the first sludge reflux system, and a pre-anoxic blow-down pipe is arranged at the upper end of the pre-anoxic zone.
Further, the anaerobic zone comprises a suspended spherical filler and an anaerobic emptying pipe, and the anaerobic zone is connected with the first sludge backflow system.
Drawings
FIG. 1 is a schematic structural diagram of a sewage treatment apparatus for combined use of suspended biological membrane and depth filtration according to a first embodiment of the present invention;
FIG. 2 is a schematic front view of a clear water zone in the sewage treatment apparatus combining the suspended biological membrane with the depth filtration in FIG. 1.
Description of the main element symbols:
the following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, an embodiment of the present invention provides a sewage treatment apparatus combining a suspended biological membrane with a depth filtration, including a pipe chute settling zone 1, a pre-anoxic zone 21, an anaerobic zone 22, an anoxic zone 2, a contact oxidation zone 3, a vertical flow settling zone 4, a filter cloth filtering zone 5, a clear water zone 6, an ultraviolet disinfection zone 7 and an equipment room 8, wherein water enters from a total water inlet 903 and flows out through the pipe chute settling zone 1, the anoxic zone 2, the contact oxidation zone 3, the vertical flow settling zone 4, the filter cloth filtering zone 5, the clear water zone 6 and the ultraviolet disinfection zone 7, and the contact oxidation zone 3 includes a suspended filler 301, a micro-pore aeration system 303 and a dark aeration main pipe (not shown) connected with the micro-pore aeration system 303.
Specifically, in this embodiment, the concealed aeration main pipe is connected to the micro-pore aeration system 303 through an electric valve 302, and is used for controlling the micro-pore aeration system 303 to automatically operate, so as to reduce the personnel operation and improve the automation degree.
According to the sewage treatment equipment combining the suspended biofilm with the deep filtration, microorganisms in the contact oxidation zone 3 are attached to the suspended filler 301 to form the biofilm, the effluent of the anoxic zone 2 flows through the suspended filler 301 at a certain flow rate and contacts with the biofilm, COD (chemical oxygen demand) in the sewage is removed under an aerobic condition, ammonia nitrogen is converted into nitrate nitrogen and nitrite nitrogen, the generation amount of sludge can be reduced, and the load of the biofilm is reduced; the concealed aeration main pipe is arranged on one side of the top grid cover plate and is connected with the bottom micropore aeration system 303; the microporous aeration system 303 increases dissolved oxygen and takes away carbon dioxide and other harmful gases in water, so as to prevent gas from jacking up the biomembrane due to buoyancy, and further prevent the biomembrane from falling off easily.
Specifically, in this embodiment, the inclined tube settling zone 1 includes a water inlet distribution system (not shown), an inclined tube filler 101 disposed on one side of the water inlet distribution system, a sludge discharge system (not shown) disposed on a lower side of the inclined tube filler, a water outlet system disposed on an upper side of the inclined tube settling zone, and a first emptying pipe 9021. The sedimentation zone adopts the inclined tube filler 101, and under the condition that the effective volume of the sedimentation tank is certain, the hydraulic radius is reduced, the sedimentation area is increased, and the removal rate of suspended matters can be improved.
Specifically, in this embodiment, the anoxic zone 2 includes a first nitrifying liquid reflux system (i.e., a terminal pipeline of the nitrifying liquid reflux pump 402), a first sludge reflux system (i.e., a terminal pipeline of the sludge reflux pump 401), and a second emptying pipe 9022 disposed on the upper side of the anoxic zone 2. Wherein, nitrifying liquid, return sludge and the abundant mixture of intaking keep the mud concentration in the anaerobism pond, have sufficient carbon source in the intake simultaneously and can fully carry out the denitrification, get rid of ammonia nitrogen, reduce total nitrogen, in the implementation, can be according to going out water ammonia nitrogen and total nitrogen requirement, adjust nitrifying liquid reflux ratio and mud reflux ratio.
Specifically, in this embodiment, the vertical sedimentation zone 4 includes a water inlet system (not shown in the figure) connected to the contact oxidation zone, a sludge storage hopper (not shown in the figure) disposed at the lower side of the vertical sedimentation zone, a central water inlet pipe 403 disposed at the middle of the vertical sedimentation zone, a vent pipe disposed at the upper side of the vertical sedimentation zone, a second nitrification liquid reflux system (i.e., a front end pipeline of the nitrification liquid reflux pump 402), a second sludge reflux system (i.e., a front end pipeline of the sludge reflux pump 401), and a water outlet system (not shown in the figure). The sewage treated by the contact oxidation zone 3 enters the vertical flow type settling zone 4 through the central water inlet pipe 403, part of non-implanted organic matters, metabolic intermediate products, fallen biological membranes and non-implanted microorganisms are deposited in the sludge hopper under the action of gravity, clear water flows out from an upper overflow weir, part of sludge deposited in the sludge hopper flows back to the anoxic tank 2 through a sludge return pipe on a top grid cover plate by the sludge return pump 401, nitrified liquid flows back to the anoxic tank 2 through a sludge return pipe on the top grid cover plate by the nitrified liquid return pump 402, and residual sludge in the sludge hopper is periodically discharged by an emptying pipe to further separate sludge and water and concentrate the sludge.
Specifically, in this embodiment, the pre-anoxic zone 21 is connected to the first nitrifying liquid reflux system and the first sludge reflux system at the same time, and a pre-anoxic vent pipe (not shown) is disposed at an upper end of the pre-anoxic zone 21 for discharging air. Wherein, nitrifying liquid, return sludge and inflow water in the pre-anoxic zone 21 are fully mixed, the sludge concentration in the pre-anoxic zone 21 is kept, and meanwhile, the inflow water has sufficient carbon source energy, so that denitrification is fully performed under an anoxic condition, ammonia nitrogen is removed, and total nitrogen is reduced.
Specifically, in this embodiment, the anaerobic zone 22 includes suspended spherical packing 221 and an anaerobic vent (not shown) for discharging air, and the anaerobic zone 22 is connected to the first sludge recirculation system to increase the sludge concentration in the anaerobic zone 22, improve the phosphorus treatment effect of the anaerobic zone 22, and reduce the phosphorus discharge.
Specifically, in this embodiment, the filter cloth filtering zone 5 comprises a filter cloth 501 and a backwashing system (not shown). The effluent of the vertical flow type settling zone 4 passes through the filter cloth filtering zone 5, suspended matters are adsorbed outside the filter cloth 501 through the filter cloth 501, the concentration of the suspended matters can be effectively reduced, the filtering period is long, the cleaning interval is long, the cleaning duration is short, the cleaning of the filter cloth 201 can be carried out in batches, the cleaning efficiency is high, and the hydraulic power and sludge load of the filter cloth filtering zone 5 are far greater than that of conventional sand filtration.
Specifically, in this embodiment, the clean water area 6 temporarily stores the water amount for backwashing the filter cloth 501 of the filter cloth filtering area 5, and the effluent of the filter cloth filtering area 5 automatically flows into the clean water area
In particular, in this embodiment, the sterilization zone 7 comprises an ultraviolet sterilizer 701. The effluent in the clear water area 6 automatically flows into the ultraviolet sterilizer 701 for sterilization treatment, and reaches the requirements of the effluent on feces and large intestine and bacteria, and then is discharged through the total water outlet of the equipment after reaching the standard.
Specifically, in this embodiment, the device peripheral 9 is further included to surround the outside of the entire device, and plays a role in fixing and isolating.
The utility model can realize rural domestic sewage treatment, urban and rural integrated domestic sewage treatment, urban and rural residential domestic sewage treatment and medical wastewater treatment, has wide application range, and the sewage treated by the equipment can reach the first-class A standard of pollutant discharge Standard of urban sewage treatment plant (GB 18918-2002) and can stably reach the standard for yielding water; the equipment is convenient to install and can be used for underground type, overground type or semi-underground type; the movable door of the equipment room is flexible, can be placed on the side wall and also can be placed on the top plate, and is convenient to install; low energy consumption and low operation cost, and can enlarge the application range.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. The utility model provides a sewage treatment device that suspension biomembrane and depth filtration ally oneself with usefulness, its characterized in that includes pipe chute sedimentation zone, pre-anoxic zone, anaerobic zone, anoxic zone, catalytic oxidation district, vertical flow formula sedimentation zone, filter cloth filtering area, clear water district, ultraviolet disinfection district and equipment room, and water gets into from total water inlet and goes out water behind pipe chute sedimentation zone, anoxic zone, catalytic oxidation district, vertical flow formula sedimentation zone, filter cloth filtering area, clear water district and ultraviolet disinfection district, the catalytic oxidation district include floated filler, micropore aeration system and with the dark aeration that micropore is responsible for the piping system connection.
2. The suspended biological membrane and depth filtration combined sewage treatment equipment according to claim 1, wherein the inclined tube settling zone comprises a water inlet distribution system, an inclined tube filler arranged on one side of the water inlet distribution system, a sludge discharge system arranged on the lower side of the inclined tube filler, a water outlet system arranged on the upper side of the inclined tube settling zone and a first emptying pipe.
3. The suspended biological membrane and depth filtration combined sewage treatment equipment according to claim 1, wherein the anoxic zone comprises a first nitrifying liquid reflux system, a first sludge reflux system and a second emptying pipe arranged on the upper side of the anoxic zone.
4. The suspended biological membrane and depth filtration combined sewage treatment equipment as claimed in claim 1, wherein the vertical flow type settling zone comprises a water inlet system connected with the contact oxidation zone, a sludge storage hopper arranged at the lower side of the vertical flow type settling zone, a central water inlet pipe arranged at the middle part of the vertical flow type settling zone, a vent pipe arranged at the upper side of the vertical flow type settling zone, a second nitrification liquid reflux system, a second sludge reflux system and a water outlet system.
5. The suspended biofilm and depth filtration combined sewage treatment plant of claim 1, wherein said filter cloth filtration zone comprises a filter cloth and a backwash system.
6. The suspended biofilm and depth filtration combined sewage treatment plant of claim 1, wherein said disinfection zone comprises an ultraviolet disinfector.
7. The sewage treatment plant with suspended biological membrane and depth filtration combined as claimed in claim 1, wherein the concealed aeration main pipe is connected with the micro-porous aeration system through an electric valve.
8. The suspended biological membrane and depth filtration combined sewage treatment equipment according to claim 3, wherein the pre-anoxic zone is simultaneously connected with the first nitrification liquid reflux system and the first sludge reflux system, and a pre-anoxic blow-down pipe is arranged at the upper end of the pre-anoxic zone.
9. The suspended biofilm and depth filtration combined sewage treatment plant of claim 4, wherein said anaerobic zone comprises suspended spherical packing and an anaerobic vent, said anaerobic zone being connected to said first sludge recirculation system.
CN202020004201.XU 2020-01-02 2020-01-02 Sewage treatment equipment combining suspended biological membrane with deep filtration Active CN211595374U (en)

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Application Number Priority Date Filing Date Title
CN202020004201.XU CN211595374U (en) 2020-01-02 2020-01-02 Sewage treatment equipment combining suspended biological membrane with deep filtration

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Application Number Priority Date Filing Date Title
CN202020004201.XU CN211595374U (en) 2020-01-02 2020-01-02 Sewage treatment equipment combining suspended biological membrane with deep filtration

Publications (1)

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CN211595374U true CN211595374U (en) 2020-09-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112551828A (en) * 2020-12-24 2021-03-26 华夏碧水环保科技有限公司 Low-carbon-nitrogen-ratio rural domestic sewage treatment device and treatment process thereof
CN113233702A (en) * 2021-05-14 2021-08-10 秦皇岛同力达环保能源股份有限公司 Combined domestic sewage treatment method and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112551828A (en) * 2020-12-24 2021-03-26 华夏碧水环保科技有限公司 Low-carbon-nitrogen-ratio rural domestic sewage treatment device and treatment process thereof
CN113233702A (en) * 2021-05-14 2021-08-10 秦皇岛同力达环保能源股份有限公司 Combined domestic sewage treatment method and system

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