CN103864212A - Micro-aeration filler biological membrane type wastewater treatment device - Google Patents
Micro-aeration filler biological membrane type wastewater treatment device Download PDFInfo
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- CN103864212A CN103864212A CN201410100781.1A CN201410100781A CN103864212A CN 103864212 A CN103864212 A CN 103864212A CN 201410100781 A CN201410100781 A CN 201410100781A CN 103864212 A CN103864212 A CN 103864212A
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Abstract
The invention relates to a wastewater treatment device, in particular relates to a micro-aeration filler biological membrane type wastewater treatment device, and belongs to the technical field of wastewater treatment. The micro-aeration filler biological membrane type wastewater treatment device comprises an air compressor, a gas storage tank, a water body pond and a plurality of micro-aeration biological membrane fillers, wherein the air compressor is connected with the gas storage tank through a gas pipe; the plurality of micro-aeration biological membrane fillers are arranged in the water body pond and comprise a plurality of hollow fiber membranes parallel to each other; the gas inlet ends of the plurality of hollow fiber membranes are connected with a gas inlet end seal head; the gas outlet ends of the plurality of hollow fiber membranes are connected with a gas outlet end seal head. According to the micro-aeration filler biological membrane type wastewater treatment device, the fillers are subjected to non-foaming gas feeding, the sludge cannot be generated, a blower and a sludge treatment device do not need to be mounted, the wastewater treatment cost is effectively reduced, the working noise is lowered, and the energy resources are saved; a filler biological membrane has huge specific surface area and can be used for effectively reducing the volume of the water pond.
Description
Technical field
The present invention relates to a kind of waste disposal plant, a kind of micro-aerating filling biofilm sewage treatment device, belongs to technical field of sewage specifically.
Background technology
Biomembrance process sewage disposal is to make for example nitrifier of microorganism and denitrifying bacteria anchor at filling surface, is membranaceous growth, realizes the technology of sewage disposal.In engineering of water treatment in environmental protection industry (epi), particularly relate to the aerobic part in active sludge biological processing, all adopt the diaphragm type aerator being arranged in Aerobic Pond to process at present.Diaphragm type aerator utilizes roots blower to carry out oxygen supply, the filler such as PP, PE is generally all installed, as the carrier of microorganic adhesion in Aerobic Pond.Showing through a large amount of practices, there is following technological deficiency in above-mentioned treatment process:
1. oxygen utilization efficiency is low, boring aeration coefficient of oxygen utilization less than 7%, and micro-pore aeration coefficient of oxygen utilization 20% left and right only;
2. tolerance is uncontrollable, once chosen corresponding gas blower, can only be by the emptying air demand of reconciling in water, but this also means a large amount of wastes of gas blower energy consumption;
3. secondary pollution, the volatile contaminant in bubbling oxygen supply meeting band water-outlet body, some is even with niff;
4. energy consumption is large, and aerobic treatment is essential continuous toward oxygen supply in water body with powerful gas blower, because the utilization ratio of oxygen is low, causes the power consumption of gas blower large;
5. noise is large, and owing to utilizing gas blower to oxygen supply of water body, the noise of gas blower, generally at 70 ~ 80DB, has brought sound pollution to environment;
6. sludge yield is high, and Aerobic Pond produces a large amount of excess sludges to be needed to dispose in addition, and the disposal of mud has at present become the problem that urgent need solves;
7. floor space is large, in order to improve treatment effect, the particularly removal to total nitrogen, need to set up anaerobic pond, Aerobic Pond, water outlet also needs to set up settling tank in addition, two settling tanks, three settling tanks, and capital cost is large, utilize MBR technology not establish second pond even if having at present, also have problems such as film pollution;
8. installation costs is high, except capital construction, generally also needs the installation costs of filler and aerating apparatus.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, thereby provide a kind of micro-aerating filling biofilm sewage treatment device, filler is carried out to still air feed, do not produce the secondary pollutions such as mud, reach good clean effect, do not need to install gas blower and sludge treatment equipment, effectively reduced the cost of sewage disposal.
According to technical scheme provided by the invention, micro-aerating filling biofilm sewage treatment device comprises air compressor, gas-holder, water body pond and micro-aeration biomembrane filler, it is characterized in that: air compressor connects gas-holder by pneumatic tube, in water body pond, be provided with multiple micro-aeration biomembrane fillers; Micro-aeration biomembrane filler comprises multiple hollow-fibre membranes parallel to each other, and the inlet end of multiple hollow-fibre membranes connects inlet end end socket jointly, and the outlet side of multiple hollow-fibre membranes connects outlet side end socket jointly; In inlet end end socket and outlet side end socket, be provided with sealed air-space, hollow-fibre membrane inner hollow is also communicated with the sealed air-space of inlet end end socket and outlet side end socket; Gas-holder connects the sealed air-space in the inlet end end socket of each micro-aeration biomembrane filler by inlet pipe, the sealed cavity in the outlet side end socket of each micro-aeration biomembrane filler connects escape pipe.
Further, pneumatic tube is provided with and controls the pneumatic tube reducing valve that pneumatic tube opens and closes.
Further, gas-holder is provided with the first tensimeter.
Further, hollow-fibre membrane comprises aerobic layer, facultative layer and anaerobic layer, and aerobic layer is positioned at innermost layer, and facultative layer is positioned at aerobic layer outer ring, and anaerobic layer is positioned at facultative layer outer ring.
Further, escape pipe is provided with the second tensimeter and escape pipe reducing valve.
Further, inlet end end socket end is provided with air inlet adjustment valve.
Further, end socket place in outlet side is provided with the variable valve of giving vent to anger.
Further, inlet pipe is provided with inlet pipe reducing valve.
Compared with the prior art the present invention has the following advantages:
The present invention is simple in structure, compact, reasonable, and filler is carried out to still air feed, does not produce mud, does not need to install gas blower and sludge treatment equipment, has effectively reduced the cost of sewage disposal, has reduced work noise, has saved the energy; Water route separates with gas circuit, and carrier biofilm can be not contaminated; Carrier biofilm has huge specific surface area, can effectively reduce the volume in pond.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is micro-aeration biomembrane filling-material structure schematic diagram.
Description of reference numerals: 1-air compressor, 2-pneumatic tube reducing valve, 3-gas-holder, 4-the first tensimeter, 5-inlet pipe reducing valve, 6-water body pond, 7-the second tensimeter, 8-escape pipe reducing valve, the micro-aeration biomembrane filler of 9-, 9.1-outlet side end socket, 9.2-hollow-fibre membrane, 9.3-inlet end end socket, 10-air inlet adjustment valve, 11-give vent to anger variable valve, 12-pneumatic tube, 13-inlet pipe, 14-escape pipe.
Embodiment
The present invention is below further described in connection with the embodiment in accompanying drawing:
As shown in Figure 1, the present invention mainly comprises air compressor 1, gas-holder 3, water body pond 6 and micro-aeration biomembrane filler 9, and air compressor 1 connects gas-holder 3 by pneumatic tube 12, and pneumatic tube 12 is provided with controls the pneumatic tube reducing valve 2 that pneumatic tube 12 opens and closes.
Gas-holder 3 is provided with the pressure that the first tensimeter 4, the first tensimeters 4 show gas-holder 3 interior gases in real time.
In water body pond 6, be provided with multiple micro-aeration biomembrane fillers 9.As shown in Figure 2, micro-aeration biomembrane filler 9 comprises multiple hollow-fibre membranes 9.2 parallel to each other, and the inlet end of multiple hollow-fibre membranes 9.2 connects inlet end end socket 9.3 jointly, and the outlet side of multiple hollow-fibre membranes 9.2 connects outlet side end socket 9.1 jointly.Inlet end end socket 9.3 and outlet side end socket 9.1 adopt ABS engineering plastic materials to make, in inlet end end socket 9.3 and outlet side end socket 9.1, be provided with sealed air-space, hollow-fibre membrane 9.2 inner hollow are also communicated with the sealed air-space of inlet end end socket 9.3 and outlet side end socket 9.1.Hollow-fibre membrane 9.2 comprises aerobic layer, facultative layer and anaerobic layer, and aerobic layer is positioned at innermost layer, and facultative layer is positioned at aerobic layer outer ring, and anaerobic layer is positioned at facultative layer outer ring.When work, in the sealed air-space of maintenance inlet end end socket 9.3 and outlet side end socket 9.1, have certain pressure, and this pressure is less than the bubbling pressure of hollow-fibre membrane.Oxygen in hollow-fibre membrane diffuses to the microbial film being attached to outside hollow-fibre membrane with molecular state, utilized degradation of contaminant by microorganism.
Gas-holder 3 is by the sealed air-space in the inlet end end socket 9.3 of inlet pipe 13 each micro-aeration biomembrane fillers 9 of connection, and inlet pipe 13 is provided with inlet pipe reducing valve 5, and inlet pipe reducing valve 5 is controlled the interior air flow quantity of inlet pipe 13.Inlet end end socket 9.3 ends are provided with air inlet adjustment valve 10, regulate by air inlet adjustment valve 10 air capacity that enters the sealed air-space in inlet end end socket 9.3.Sealed cavity in the outlet side end socket 9.1 of each micro-aeration biomembrane filler 9 connects escape pipe 14, and end socket 9.1 places in outlet side are provided with the variable valve 11 of giving vent to anger, and by giving vent to anger, variable valve 11 regulates the air capacity that flows out outlet side end socket 9.1.
The present invention is simple in structure, compact, reasonable, and filler is carried out to still air feed, does not produce mud, does not need to install gas blower and sludge treatment equipment, has effectively reduced the cost of sewage disposal, has reduced work noise, has saved the energy; Water route separates with gas circuit, and carrier biofilm can be not contaminated; Carrier biofilm has huge specific surface area, can effectively reduce the volume in pond.
Claims (8)
1. a micro-aerating filling biofilm sewage treatment device, comprise air compressor (1), gas-holder (3), water body pond (6) and micro-aeration biomembrane filler (9), it is characterized in that: air compressor (1) connects gas-holder (3) by pneumatic tube (12), is provided with multiple micro-aeration biomembrane fillers (9) in water body pond (6); Micro-aeration biomembrane filler (9) comprises multiple hollow-fibre membranes parallel to each other (9.2), the inlet end of multiple hollow-fibre membranes (9.2) connects inlet end end socket (9.3) jointly, and the outlet side of multiple hollow-fibre membranes (9.2) connects outlet side end socket (9.1) jointly; In inlet end end socket (9.3) and outlet side end socket (9.1), be provided with sealed air-space, hollow-fibre membrane (9.2) inner hollow is also communicated with the sealed air-space of inlet end end socket (9.3) and outlet side end socket (9.1); Gas-holder (3) connects the interior sealed air-space of inlet end end socket (9.3) of each micro-aeration biomembrane filler (9) by inlet pipe (13), the sealed cavity in the outlet side end socket (9.1) of each micro-aeration biomembrane filler (9) connects escape pipe (14).
2. micro-aerating filling biofilm sewage treatment device as claimed in claim 1, is characterized in that: described pneumatic tube (12) is provided with controls the pneumatic tube reducing valve (2) that pneumatic tube (12) opens and closes.
3. micro-aerating filling biofilm sewage treatment device as claimed in claim 1, is characterized in that: described gas-holder (3) is provided with the first tensimeter (4).
4. micro-aerating filling biofilm sewage treatment device as claimed in claim 1, it is characterized in that: described hollow-fibre membrane (9.2) comprises aerobic layer, facultative layer and anaerobic layer, aerobic layer is positioned at innermost layer, and facultative layer is positioned at aerobic layer outer ring, and anaerobic layer is positioned at facultative layer outer ring.
5. micro-aerating filling biofilm sewage treatment device as claimed in claim 1, is characterized in that: described escape pipe (14) is provided with the second tensimeter (7) and escape pipe reducing valve (8).
6. micro-aerating filling biofilm sewage treatment device as claimed in claim 1, is characterized in that: described inlet end end socket (9.3) end is provided with air inlet adjustment valve (10).
7. micro-aerating filling biofilm sewage treatment device as claimed in claim 1, is characterized in that: described outlet side end socket (9.1) locates to be provided with the variable valve (11) of giving vent to anger.
8. micro-aerating filling biofilm sewage treatment device as claimed in claim 1, is characterized in that: described inlet pipe (13) is provided with inlet pipe reducing valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410100781.1A CN103864212A (en) | 2014-03-18 | 2014-03-18 | Micro-aeration filler biological membrane type wastewater treatment device |
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| CN201410100781.1A CN103864212A (en) | 2014-03-18 | 2014-03-18 | Micro-aeration filler biological membrane type wastewater treatment device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843852A (en) * | 2015-04-23 | 2015-08-19 | 四川和鼎环保工程有限责任公司 | Treatment tank conducive to interactive interface area increasing |
| CN104843856A (en) * | 2015-04-23 | 2015-08-19 | 四川和鼎环保工程有限责任公司 | Biological method-based sewage treatment system |
| CN104876328A (en) * | 2015-04-23 | 2015-09-02 | 四川和鼎环保工程有限责任公司 | Sewage system beneficial to improvement of treatment efficiency |
| CN104876342A (en) * | 2015-04-23 | 2015-09-02 | 四川和鼎环保工程有限责任公司 | Device beneficial to control of aeration parameters |
| CN106153825A (en) * | 2016-07-20 | 2016-11-23 | 苏州华测安评化学品技术服务有限公司 | Biodegradation test gas path device |
| CN107720951A (en) * | 2017-10-11 | 2018-02-23 | 上海市政工程设计研究总院（集团）有限公司 | A kind of pure oxygen preaerator and its application method |
| CN108101217A (en) * | 2018-01-15 | 2018-06-01 | 广西国宏智鸿环境科技发展有限公司 | A kind of sewage treatment aeration system based on water wheel fan |
| CN112142192A (en) * | 2020-09-08 | 2020-12-29 | 同济大学 | Membrane-carried biological deodorization reactor and deodorization method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104843852A (en) * | 2015-04-23 | 2015-08-19 | 四川和鼎环保工程有限责任公司 | Treatment tank conducive to interactive interface area increasing |
| CN104843856A (en) * | 2015-04-23 | 2015-08-19 | 四川和鼎环保工程有限责任公司 | Biological method-based sewage treatment system |
| CN104876328A (en) * | 2015-04-23 | 2015-09-02 | 四川和鼎环保工程有限责任公司 | Sewage system beneficial to improvement of treatment efficiency |
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| CN108101217A (en) * | 2018-01-15 | 2018-06-01 | 广西国宏智鸿环境科技发展有限公司 | A kind of sewage treatment aeration system based on water wheel fan |
| CN112142192A (en) * | 2020-09-08 | 2020-12-29 | 同济大学 | Membrane-carried biological deodorization reactor and deodorization method |
| CN112142192B (en) * | 2020-09-08 | 2021-12-21 | 同济大学 | Membrane-carried biological deodorization reactor and deodorization method |
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Application publication date: 20140618 |