CN203845914U - Domestic sewage treatment device for teaching - Google Patents
Domestic sewage treatment device for teaching Download PDFInfo
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- CN203845914U CN203845914U CN201420236236.0U CN201420236236U CN203845914U CN 203845914 U CN203845914 U CN 203845914U CN 201420236236 U CN201420236236 U CN 201420236236U CN 203845914 U CN203845914 U CN 203845914U
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Abstract
The utility model discloses a domestic sewage treatment device for teaching. The device comprises a sewage adjusting tank, an integrated sewage treatment device and a clear water tank, wherein a grid is arranged at a water inlet of the sewage adjusting tank; a perforated pre-aerator pipe is arranged at the bottom of the sewage adjusting tank; the integrated sewage treatment device sequentially comprises a hydrolytic acidification tank, an anoxic tank, an anaerobic tank, an aerobiotic biochemical tank, a sedimentation tank and a middle discharge tank; the hydrolytic acidification tank is connected with the sewage adjusting tank through a lifting pump; the anoxic tank is connected with the hydrolytic acidification tank; the anaerobic tank is provided with efficient biological elastic packing and ABS combined perforations; the aerobiotic biochemical tank comprises a tank body, packing, a water distributing device and an oxygenic aeration system; the tank body is divided into a high organic load tank and a lower organic load tank; the packing is elastic three-dimensional combined packing; the oxygenic aeration system is a micropore diaphragm type aerator; the middle discharge tank is respectively connected with the sedimentation tank and the clear water tank. The device disclosed by the utility model has the characteristics of simplicity in operation, convenience in management, energy conservation in operation, low cost, high sewage treatment efficiency and strong stability.
Description
Technical field
The utility model belongs to realia field, particularly relates to environmental protection class realia field, is specifically related to a kind of teaching sewage treatment unit simple, energy-conservation, that cost is low, sewage treating efficiency is high and stability is strong that moves.
Background technology
The progress and development of modern society all be unable to do without water resources, we are all the time in the tellurian water resources of a large amount of consumption, yet tellurian water resources is limited, how to using the sewage producing later to purify and re-use the attention that more and more obtains us.
Sewage can be divided into organic sewage, inorganic sewage and sanitary sewage.For a long time, sanitary sewage generally adopts biological process, activated sludge process or Artificial Wetland Techniques to process.
In biological process, sanitary sewage and microbial film or or active sludge in anaerobic and aerobic microorganism contact, by microbial growth breed and metabolism by the organic matter removal in sanitary sewage; But the growth and breeding of aerobic microbiological need to be used blower fan air blast, for it provides long-term, a large amount of oxygen, and fan operation need to consume a large amount of electric energy, and noise during operation is larger, easily environment is caused to secondary pollution.
In activated sludge process, due to active sludge easy corrupt floating when the summer high temperature, microorganism growth is slow during low temperature in the winter time, exists and removes the low shortcoming of organic matter efficiency.
In Artificial Wetland Techniques, mainly adopt plant to absorb the organism in sewage, thereby make water body purification, but because artificial swamp floor space is large, sewage easily permeates the ground, and easily underground water is caused to secondary pollution, and also have odorous gas to discharge during operation.
At present a lot of colleges and universities all offer environmental careers, wherein relate to the treatment process of sanitary sewage, but because large sanitary sewage disposal plant is large, and comparatively disperse, practising method weak effect, can well grasp the treatment scheme portion of sanitary sewage.
Therefore, develop and can in laboratory, work, and omnidistance can tracing observation, move the new problem that teaching sewage treatment unit simple, energy-conservation, that cost is low, sewage treating efficiency is high and stability is strong is teaching aid field.
Summary of the invention
In order to address the above problem, the utility model provides a kind of and can in laboratory, complete, and moves teaching sewage treatment unit simple, energy-conservation, that cost is low, sewage treating efficiency is high and stability is strong.
In order to achieve the above object, the utility model provides following technical scheme:
A teaching sewage treatment unit, comprises sewage equalizing tank, integrated sewage treating apparatus and clean water basin; The water inlet of sewage equalizing tank is provided with grid, and bottom is provided with perforation pre-exposure tracheae; Integrated sewage treating apparatus comprises anoxic pond, anaerobic pond, aerobic biochemical pool, settling tank and middle discharge pond successively; Anoxic pond is connected with sewage equalizing tank by lift pump; Anaerobic pond is provided with high-performance bio elastic filler and ABS combination perforation; Aerobic biochemical pool is by pond body, filler, water-distributing device and oxygenic aeration system; Pond body is divided into high organic loading pond and low organic loading pond; Filler is elastic stereo combined stuffing; Oxygenic aeration system is microporous membrane chip aerator; Middle discharge pond is connected with settling tank and clean water basin respectively.
First sanitary sewage passes through the grid of sewage equalizing tank water inlet, and floating matter in sanitary sewage and twister are removed, and enters afterwards sewage equalizing tank, carries out the water yield and regulates and water quality homogenizing; In order to prevent that suspended substance from precipitating in sewage equalizing tank, in the bottom of sewage equalizing tank, be provided with perforation pre-exposure tracheae, adopt gap aeration, stir under water, and sewage is carried out to airoxidation.
In the utility model, be provided with integrated sewage treating apparatus, comprise respectively anoxic pond, anaerobic pond, aerobic biochemical pool, settling tank and middle discharge pond; Sanitary sewage enters after anoxic pond, utilizes the acidication stage of anaerobic reaction, changes the chemical structure of macromolecular cpd, makes it to become water miscible small molecules, for bio-contact oxidation, processes and creates conditions.Sanitary sewage carries out acidification hydrolization and nitration denitrification in this course, has reduced ammonia nitrogen and the organic concentration in sanitary sewage; Sanitary sewage enters anaerobic pond afterwards, in anaerobic pond, sewage further mixes, make full use of the interior high-performance bio elastic filler of anaerobic pond as bacteria carrier, by mixotroph, further difficult dissolved organic matter in sewage is converted into solubilized organism, larger molecular organics is hydrolyzed into small organic molecule, improves sewage biochemical property, be conducive to the further oxygenolysis of aerobic biochemical pool below.
Subsequently, sanitary sewage enters aerobic biochemical pool most crucial in sewage disposal, in the utility model, aerobic biochemical pool is divided into high organic loading pond and low organic loading pond, is provided with elastic stereo combined stuffing and microporous membrane chip aerator; Sanitary sewage is in high organic loading pond, by being attached to biochemical degradation and the adsorption under common participation of microflora of a large amount of different generas on elastic stereo combined stuffing, remove the various organism in sewage, the organic content in sewage is significantly reduced; Afterwards in low organic loading pond, by the effect of nitrifier, the ammonia nitrogen under the condition of oxygen amount abundance in degradation of sewage, also makes COD value in sanitary sewage drop to simultaneously more low-level, and sewage is purified; In aerobic biochemical pool, use in addition microporous membrane chip aerator, have and adopt the band that import ethylene-propylene diene copolymer is made to extend the rubber diaphragm of compensation, between diaphragm and back up pad, adopt the better folding structure of sealing property, and be provided with independently T-shaped vacuum breaker, therefore reliability is improved, the oxygenation capacity of sewage obviously strengthens, thereby the biochemical efficiency of sewage is also improved.
Sanitary sewage after processing layer by layer finally enters into settling tank, in settling tank, by after solid-liquid separation, discharges pond, then flow in the middle of clean water basin in the middle of supernatant liquor flows into.
As preferably, high-performance bio elastic filler and the filler in aerobic biochemical pool in anaerobic pond are YJDT elastic solid filler.
High-performance bio elastic filler and the filler in aerobic biochemical pool in the utility model in anaerobic pond are YJDT elastic solid filler, YJDT elastic solid filler has screened several corrosion resistants in each polymeric amide of polyalkenes, heatproof, ageing-resistant fine quality, mixing is with auxiliary agents such as hydrophilic, absorption, heat resistanceheat resistant oxygen, adopt special wire drawing, strand hair technique processed, strand is solidly plugged on the axial cord of corrosion resistant, makes suspension type 3 D elastic filler monomer.Filler can evenly be unfolded and be covered with by stereoscopic and omnibearing in effective area, makes water, gas, microbial film obtain fully contact exchange.Microbial film equably implantation, on each strand, keeps good biological activity and space mutability, and all in operational process, obtains increasing specific surface area, can carry out good metabolism again.YJDT elastic solid filler is compared with rigid honeycomb briquette filler, and space deformable is large, does not stop up; Compare with soft-filler, the material life-span is long, not bonding agglomerating; Compare with semi soft packing, specific surface is large, biofilm is rapid.Therefore it is good selecting YJDT elastic solid filler.
As preferably, perforation pre-exposure tracheae, ABS combination perforation and microporous membrane chip aerator are connected with biochemical aeration blower fan.
Biochemical aeration blower fan adopts the casing of three leaf runners and spiral line type, and fan noise and vibration are very little; Owing to there is no contaminated product, can obtain clean air, do not produce the atmospheric pollution that oil fume causes; Impeller and axle are one-piece construction, and impeller is without wearing and tearing, and fan performance is sustained, for a long time continuous operation; Adopt specific bearing, there is preeminent weather resistance, long service life and maintenance management convenient; High speed, high efficiency, and compact construction, volume are little; Therefore choosing biochemical aeration blower fan is that sewage equalizing tank and aerobic biochemical pool carry out oxygenic aeration, stirs and sludge digestion.
As preferably, settling tank is vertical sedimentation basin, is provided with V-notch weir water outlet, and is connected with anoxic pond or anaerobic pond by sludge reflux pump; The below of settling tank is also connected with sludge thickener.
Settling tank is related to vertical sedimentation basin, and its sludge degradation is effective; And adopt V-notch weir water outlet, outlet effect is more stable; Also be provided with sludge reflux pump and be connected with anoxic pond or anaerobic pond, can reduce the generation of mud; The mud producing drains into sludge thickener by action of gravity.
The utility model is compared with sewage treatment unit with existing teaching, utilizes biological contact oxidation process to process sewage, take biomembrance process as main, and has the feature of activated sludge process concurrently; The utlity model has unit volume biomass specific activity mud fado, thereby organic loading is higher, duration of contact is short, and processing efficiency is high, is conducive to dwindle process structures volume, reduces floor space, saves initial cost; Be provided with sludge reflux pump, sludge bulking can not occur, operational management is easy; The large number of biological film of growing on the filler using in the utility model, to load variations strong adaptability, under the operational conditions of gap, also has certain effect, and the waste water inhomogeneous for draining has more Practical significance; Biofilm cultivation is simple, general 15 days just can biofilm, then the domestication through about 20 days just can put into operation.Therefore the beneficial effects of the utility model are: (1) operation is simple, convenient management; (2) energy saving in running, cost are low; (3) sewage treating efficiency is high; (4) stability is strong.
Accompanying drawing explanation
Fig. 1, structural representation of the present utility model;
Fig. 2, the schema while utilizing the utility model to process sanitary sewage.
Reference numerals list: sewage equalizing tank 1, clean water basin 2, perforation pre-exposure tracheae 3, anoxic pond 4, anaerobic pond 5, aerobic biochemical pool 6, settling tank 7, middle discharge pond 8, lift pump 9, biochemical aeration blower fan 10, sludge reflux pump 11, sludge thickener 12.
Embodiment
Technical scheme the utility model being provided below with reference to specific embodiment is elaborated, and should understand following embodiment and only for the utility model is described, be not used in restriction scope of the present utility model.
Be illustrated in figure 1 structural representation of the present utility model.
The utility model is a kind of teaching sewage treatment unit, comprises sewage equalizing tank 1, integrated sewage treating apparatus and clean water basin 2.
The water inlet of sewage equalizing tank 1 is provided with grid, and bottom is provided with perforation pre-exposure tracheae 3.
Integrated sewage treating apparatus comprises anoxic pond 4, anaerobic pond 5, aerobic biochemical pool 6, settling tank 7 and middle discharge pond 8 successively; Anoxic pond 4 is connected with sewage equalizing tank 1 by lift pump 9; Anaerobic pond 5 is provided with YJDT elastic solid filler and ABS combination perforation; Aerobic biochemical pool 6 is by pond body, filler, water-distributing device and oxygenic aeration system; Pond body is divided into high organic loading pond and low organic loading pond; Filler is YJDT elastic solid filler; Oxygenic aeration system is microporous membrane chip aerator; Middle discharge pond 8 is connected with settling tank 7 and clean water basin 2 respectively; Wherein, settling tank 7 is vertical sedimentation basin, is provided with V-notch weir water outlet, and is connected with anoxic pond 4, anaerobic pond 5 by sludge reflux pump 11; The below of settling tank 7 is also connected with sludge thickener 12.
Microporous membrane chip aerator in perforation pre-exposure tracheae 3 in sewage equalizing tank 1, the combination of the ABS in anaerobic pond 5 perforation and aerobic biochemical pool 6 is all connected with biochemical aeration blower fan 10.
The processing sanitary sewage of take is example, is illustrated in figure 2 the schema while utilizing the utility model to process sanitary sewage:
First sanitary sewage passes through the grid of sewage equalizing tank 1 water inlet, after floating matter in removal sewage and twister, enter sewage equalizing tank 1, by the perforation pre-exposure tracheae 3 being arranged at the bottom of sewage equalizing tank 1 pond, carry out gap aeration, stir, prevent that suspended substance is in the interior precipitation of sewage equalizing tank 1 under water, and sewage is made to airoxidation.
After preliminary treatment completes, by lift pump 9, sewage is delivered to anoxic pond 4, utilize the acidication stage of anaerobic reaction, change the chemical structure of macromolecular cpd in sanitary sewage, make it to become water miscible small molecules, for bio-contact oxidation, process and create conditions.Sanitary sewage carries out acidification hydrolization and nitration denitrification in this course, reduces ammonia nitrogen and organic concentration in sanitary sewage.
Sanitary sewage after anoxic pond 4 is processed enters anaerobic pond 5, in anaerobic pond 5, sewage further mixes, make full use of the interior high-performance bio elastic filler of anaerobic pond 5 as bacteria carrier, by mixotroph, further difficult dissolved organic matter in sewage is converted into solubilized organism, larger molecular organics is hydrolyzed into small organic molecule, improves sewage biochemical property.
Subsequently, sanitary sewage enters aerobic biochemical pool 6, and aerobic biochemical pool 6 is divided into high organic loading pond and low organic loading pond; Sanitary sewage is in high organic loading pond, by being attached to biochemical degradation and the adsorption under common participation of microflora of a large amount of different generas on elastic stereo combined stuffing, remove the various organism in sewage, the organic content in sewage is significantly reduced; Afterwards in low organic loading pond, by the effect of nitrifier, the ammonia nitrogen under the condition of oxygen amount abundance in degradation of sewage, also makes COD value in sanitary sewage drop to simultaneously more low-level, and sewage is purified; In aerobic biochemical pool 6, use in addition microporous membrane chip aerator, the oxygenation capacity of sewage obviously strengthens, thereby the biochemical efficiency of sewage is also improved.
Treated sanitary sewage finally enters into settling tank 7, in settling tank 7, by after solid-liquid separation, discharges pond 8, then flow in the middle of clean water basin 2 in the middle of supernatant liquor flows into.
The disclosed technique means of the utility model scheme is not limited only to the disclosed technique means of above-mentioned embodiment, also comprises the technical scheme being comprised of above technical characterictic arbitrary combination.
Claims (4)
1. a teaching sewage treatment unit, is characterized in that: comprise sewage equalizing tank (1), integrated sewage treating apparatus and clean water basin (2); The water inlet of described sewage equalizing tank (1) is provided with grid, and bottom is provided with perforation pre-exposure tracheae (3); Described integrated sewage treating apparatus comprises anoxic pond (4), anaerobic pond (5), aerobic biochemical pool (6), settling tank (7) and middle discharge pond (8) successively; Described anoxic pond (4) is connected with sewage equalizing tank (1) by lift pump (9); Described anaerobic pond (5) is provided with high-performance bio elastic filler and ABS combination perforation; Described aerobic biochemical pool (6) is by pond body, filler, water-distributing device and oxygenic aeration system; Described pond body is divided into high organic loading pond and low organic loading pond; Described filler is elastic stereo combined stuffing; Described oxygenic aeration system is microporous membrane chip aerator; In the middle of described, discharge pond (8) is connected with settling tank (7) and clean water basin (2) respectively.
2. a kind of teaching sewage treatment unit according to claim 1, is characterized in that: the filler in the high-performance bio elastic filler in described anaerobic pond (5) and aerobic biochemical pool (6) is YJDT elastic solid filler.
3. a kind of teaching sewage treatment unit according to claim 1, is characterized in that: described perforation pre-exposure tracheae (3), ABS combination perforation and microporous membrane chip aerator are connected with biochemical aeration blower fan (10).
4. a kind of teaching sewage treatment unit according to claim 1, is characterized in that: described settling tank (7) is vertical sedimentation basin, is provided with V-notch weir water outlet, and is connected with anoxic pond or anaerobic pond by sludge reflux pump (11); The below of settling tank (7) is also connected with sludge thickener (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236236.0U CN203845914U (en) | 2014-05-09 | 2014-05-09 | Domestic sewage treatment device for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236236.0U CN203845914U (en) | 2014-05-09 | 2014-05-09 | Domestic sewage treatment device for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203845914U true CN203845914U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420236236.0U Expired - Fee Related CN203845914U (en) | 2014-05-09 | 2014-05-09 | Domestic sewage treatment device for teaching |
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| Country | Link |
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| CN (1) | CN203845914U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860479A (en) * | 2015-05-20 | 2015-08-26 | 天紫环保投资控股有限公司 | Facultative device applied to sewage treatment |
| CN105254014A (en) * | 2015-11-20 | 2016-01-20 | 江苏合一水业有限公司 | Multifunctional sewage treatment pond |
| CN111606507A (en) * | 2020-05-20 | 2020-09-01 | 苏州首创嘉净环保科技股份有限公司 | Integrated equipment for medical sewage disinfection treatment |
| CN112321064A (en) * | 2020-09-30 | 2021-02-05 | 南京传业环保科技有限公司 | Biochemical advanced treatment unit of BBR sewage |
-
2014
- 2014-05-09 CN CN201420236236.0U patent/CN203845914U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860479A (en) * | 2015-05-20 | 2015-08-26 | 天紫环保投资控股有限公司 | Facultative device applied to sewage treatment |
| CN105254014A (en) * | 2015-11-20 | 2016-01-20 | 江苏合一水业有限公司 | Multifunctional sewage treatment pond |
| CN111606507A (en) * | 2020-05-20 | 2020-09-01 | 苏州首创嘉净环保科技股份有限公司 | Integrated equipment for medical sewage disinfection treatment |
| CN112321064A (en) * | 2020-09-30 | 2021-02-05 | 南京传业环保科技有限公司 | Biochemical advanced treatment unit of BBR sewage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20160509 |