CN1962486A - Composite type polluted water pretreatment apparatus for hydrolysis and acidification - Google Patents
Composite type polluted water pretreatment apparatus for hydrolysis and acidification Download PDFInfo
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- CN1962486A CN1962486A CNA200610144377XA CN200610144377A CN1962486A CN 1962486 A CN1962486 A CN 1962486A CN A200610144377X A CNA200610144377X A CN A200610144377XA CN 200610144377 A CN200610144377 A CN 200610144377A CN 1962486 A CN1962486 A CN 1962486A
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Abstract
The invention discloses a predisposing equipment of composite hydrolytic acidified effluent, which is characterized by the following: connecting effluent inlet pipe with water inlet of pulse inlet device (2); connecting the water outlet of pulse inlet device with two porous distribution pipes (3); assembling porous distribution pipes (3) on the sludge sediment region (12) on the hydrolytic pond bottom; assembling biological film carrier fill (5) in the middle part of hydrolytic pond; setting porous outlet pipe (6), porous outlet pipe and outlet hose (7) on the biological film carrier fill (5); setting rail (9) on the top of left and right sides of hydrolytic pond; placing gantry scum machine (8) on the rail; assembling spiral transmission machine (10) on the end of hydrolytic pond top vertically; connecting the spiral transmitting machine and drainage pipe (11).
Description
Technical field
The present invention relates to a kind of high density organically-polluted water pre-processing device, it can be used for the primary reinforcement of sewage separately handles, and also can be used in combination the pretreatment unit as second-stage treatment with other technology.
Technical background
China is a lack of water country, particularly Beijing area water resources wretched insufficiency, becomes one of key factor of restriction socio-economic development.In the insufficient while of water resources, also there is serious water resource waste phenomenon, the repeating utilization factor of various industry waters is low, and a large amount of precious water resource are discharged without using or only just becoming waste water through disposable use.Water saving, the new water resources of exploitation are imperative.All kinds of sewage resource reuses are current important development trend.
Acidication is first of an anaerobic digestion process, the second two stages, utilize anaerobion in the mud, non-dissolved organic matter in the water held back and progressively change dissolved organic matter into, the macromolecular substance of difficult for biological degradation is converted into the small organic molecule matter of readily biodegradable, improve the biodegradability of sewage, being beneficial to the subsequent disposal unit can efficiently be handled with less energy consumption with than the short residence time, at present, reactor for hydrolysis and acidification is mostly as the pre-processing device of high concentration organic sewage, the main conventional push streaming that adopts is disposed of sewage, the required residence time of sewage disposal is long, bioavailability is lower, and equipment volume is huge, and floor space is big, also have mud come-up and surperficial slagging scorification phenomenon simultaneously, these have all had a strong impact on the processing efficiency and the effluent quality of sewage.
Existing polluted water pretreatment apparatus for hydrolysis and acidification is full-fledged gradually, the acidication equipment of a large amount of new and effective low consumptions constantly occurs, as patent announcement number is CN2541454Y, name is called the patent of " sewage hydrolyzing acidifying purification tank ", it is anaerobism upflow sludge blanket device based on the hydrolysis acid-producing bacteria, has a tangible removal effect to settleability organism, colloidal organic matter and soluble large molecule are organic, but exist weak point to be can not better controlled to live the suspended state of mud, the sludge loss phenomenon takes place easily, thereby influences effluent quality.Patent announcement number is CN2644420Y, the patent of title " speed change flow lifting type anaerobic hydrolysis equipment ", this equipment is a kind of by speed change up-flow inclined tube separator realization three phase separation purpose, can be effectively with the high concentration organic sewage purifying treatment, weak point is that the inclined tube separator stops up easily, the effluent quality instability, equipment surface generates scum silica frost easily simultaneously.
Summary of the invention
In order to overcome the deficiency in the existing acidication technology, technical problem to be solved by this invention provides a kind of sewage hydrolyzing of combined type efficiently acidifying pre-processing device.This invention technology is to transform on a large scale on the basis of traditional reactor for hydrolysis and acidification, comprises that conversion unit pond body, water-in, pulse water-feeding device, bottom porous water distributor, middle part biofilm carrier filler, upper porous pipe hydathode and top scrape slag and collection slag equipment.By in the pond, adding anaerobic sludge, the equipment middle and lower part is formed based on the anaerobic mud bed of hydrolysis acid-producing bacteria and suspension anaerobe film, can effectively remove settleability organism and colloidal organic matter in the sewage by the acidication bacterium, and simultaneously the larger molecular organics of difficult degradation in the sewage is transformed small organic molecule, improve the bio-degradable of sewage, reduced the intractability and the energy waste of subsequent treatment process.
Technical scheme of the present invention:
This equipment comprises: hydrolytic tank body, hydrolytic tank inner bottom part are the sludge settling district, installation porous water distributor, hydrolytic tank body internal upper part are installed the porous rising pipe and be connected with delivery hose above the sludge settling district, and shore pipe is installed in hydrolytic tank body bottom; It is characterized in that sewage water inlet pipe is connected with the water-in of pulse water-feeding device, the water outlet of pulse water-feeding device is connected with two porous water distributors; The biofilm carrier filler is installed in the intravital middle part of hydrolytic tank.
At the top mounting guide rail of hydrolytic tank body left and right sides wall, the running type slag scraper places on the guide rail; Terminal vertical guideway at hydrolytic tank body top is installed worm conveyor; Worm conveyor is connected with scum pipe.
Beneficial effect of the present invention:
This equipment is installed the pulse water-feeding device of a uniqueness, pass through pulse water-feeding, pool bottom sludge is effectively stirred, form effective suspended sludge area in the bottom, pond, increased the touch opportunity of pollutent in mud and the sewage, improved the mud utilization ratio, can effectively remove the organic while of settleability in the sewage, significantly improved and to sink colloidal organic matter and the organic clearance of soluble large molecule in the sewage.Simultaneously, but the biofilm carrier filler of microorganism apposition growth is installed at equipment middle part, is improved biomass and biophase in the sewage greatly, increase substantially sewage treatment capacity, improve the anti impulsion load ability of system simultaneously.Adopt the porous water distribution manner will enter anaerobic hydrolysis equipment by the sewage that pulse enters, the sewage uniformly distributing is upwards flowed, and through hydrolyzing sludge mixed solution and bio-carrier district, evenly discharges system by the upper porous rising pipe at last.Because most of sewage is when being hydrolyzed acidification reaction, the capital produces scum silica frost on the sewage surface, the higher sewage of concentration of suspension particularly, therefore, in the equipment top design one cover has been installed and has been scraped slag equipment, surface scum is scraped dried up, merge the unified processing in back by shore pipe at the bottom of worm conveyor and the hydrolysis acidification pool.The bottom, pond is the slope form, and oblique shore pipe direction focuses on equipment one end with too much anaerobic sludge, by carrying out subsequent disposal with the scum silica frost unification after the shore pipe discharge system.
Description of drawings
Fig. 1 is the composite type polluted water pretreatment apparatus for hydrolysis and acidification front view;
Fig. 2 is the composite type polluted water pretreatment apparatus for hydrolysis and acidification vertical view;
Fig. 3 is the composite type polluted water pretreatment apparatus for hydrolysis and acidification longitudinal sectional drawing.
Among the figure: the 1-water-in; 2-pulse water-feeding device; 3-porous water distributor; The 4-suspended sludge area; 5-biofilm carrier filler; 6-porous rising pipe; The 7-delivery hose; 8-running type slag scraper; The 9-guide rail; The 10-worm conveyor; 11-scum pipe: 12-sludge settling district; 13-bottom shore pipe; 14-spoil disposal slag house steward.
Embodiment
With the accompanying drawing is that the invention will be further described for embodiment:
Be composite type polluted water pretreatment apparatus for hydrolysis and acidification of the present invention as shown in Figure 1 to Figure 3.
This equipment comprises: porous water distributor 3, suspended sludge area 4, biofilm carrier filler 5, porous rising pipe 6, delivery hose 7, running type slag scraper 8, guide rail 9, worm conveyor 10, scum pipe 11, sludge settling district 12, bottom spoil disposal 13 pipes, spoil disposal slag house steward 14.Connection between its each part:
Sewage water inlet pipe is connected with the water-in of pulse water-feeding device 2, and the water outlet of pulse water-feeding device is connected with two porous water distributors 3; The hydrolytic tank inner bottom part is sludge settling district 12, installation porous water distributor 3 above the sludge settling district; Biofilm carrier filler 5 is installed in the intravital middle part of hydrolytic tank; On biofilm carrier filler 5 tops porous rising pipe 6 is installed, the porous rising pipe is connected with delivery hose 7;
At the top mounting guide rail 9 of hydrolytic tank body left and right sides wall, running type slag scraper 8 places on the guide rail; Terminal vertical guideway at hydrolytic tank body top is installed worm conveyor 10; Worm conveyor is connected with scum pipe 11.
The slope form is adopted in the hydrolytic tank bottom, and the front end height is terminal low, oblique shore pipe direction.
The composite type polluted water pretreatment apparatus for hydrolysis and acidification the key technical indexes:
Hydraulic detention time: 6-10 hour;
Organic volumetric loading: 5-10kg CODcr/m
3D.
Pulse water-feeding device 2 adopts bell-jar pulse water-feeding device, and advancing the water stopping time ratio is 1: 4-1: 5, and biofilm carrier filler 5 adopts elastic solid filler or soft-filler, and running type slag scraper 8 is selected according to instrument size.
High concentration organic sewage enters pulse water-feeding device 2 by water-in 1, effectively control water stopping time by the pulse water-feeding device, pass through two root hole mouth directions porous water distributor 3 down in bottom during water inlet, mud in the pool bottom sludge negative area 12 has been dashed formation suspended sludge area 4, and suspended sludge slowly rolls back in the pool bottom sludge negative area 12 when cutting off the water.Sewage through suspended sludge area 4 rises by biofilm carrier filler 5, under the effect of a large amount of attached microbials, further sewage is handled.Water outlet is through top porous rising pipe 6 smooth outflow that make progress, at last by delivery hose 7 outflow systems.
The scum silica frost that generates on the sewage surface regularly scrapes scum silica frost 10 li of terminal worm conveyors by the running type slag scraper 8 that moves on the guide rail 9, is transported to scum pipe 11 through worm conveyor 10.Adjustable delivery hose 7 control water surface liquid levels by outlet guarantee the desired suitable water level of slag scraper.
Owing to be mainly anaerobion in this equipment, the biofilm carrier filler is arranged simultaneously, so the sludge quantity that produces seldom, when mud needs spoil disposal in the sludge settling district 12, at the bottom of bottom shore pipe 13 discharge ponds, be connected scum pipe 11 unifications of getting off with the top and enter spoil disposal slag house steward 14 to carry out subsequent disposal.
Composite hydrolysis acidification sewage preliminary treatment equipment of the present invention has very strong applicability, applicable to large, medium and small type sewage Processing requirements, equipment are looked the big I for the treatment of scale and are adopted respectively steel plate materials and Reinforced Concrete Materials.
Claims (4)
1. composite type polluted water pretreatment apparatus for hydrolysis and acidification, this equipment comprises: hydrolytic tank body, hydrolytic tank inner bottom part are the sludge settling district, installation porous water distributor, hydrolytic tank body internal upper part are installed the porous rising pipe and be connected with delivery hose above the sludge settling district, and shore pipe is installed in hydrolytic tank body bottom; It is characterized in that sewage water inlet pipe is connected with the water-in of pulse water-feeding device (2), the water outlet of pulse water-feeding device (2) is connected with two porous water distributors (3); Biofilm carrier filler (5) is installed in the intravital middle part of hydrolytic tank.
2. composite type polluted water pretreatment apparatus for hydrolysis and acidification according to claim 1 is characterized in that, at the top mounting guide rail (9) of hydrolytic tank body left and right sides wall, running type slag scraper (8) places on the guide rail (9); Terminal vertical guideway (9) at hydrolytic tank body top is installed worm conveyor (10); Worm conveyor (10) is connected with scum pipe (11).
3. composite type polluted water pretreatment apparatus for hydrolysis and acidification according to claim 1, it is characterized in that, the biofilm carrier filler (5) that install at the middle part in the hydrolytic tank body adopts 3 D elastic filler or soft-filler, and the filler packing height is 1/2nd of a pond height degree.
4. composite type polluted water pretreatment apparatus for hydrolysis and acidification according to claim 1 is characterized in that, two porous water distributors (3) are arranged in body bottom in pond, and the aperture direction is towards the below or tiltedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610144377XA CN100494089C (en) | 2006-12-05 | 2006-12-05 | Composite type polluted water pretreatment apparatus for hydrolysis and acidification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610144377XA CN100494089C (en) | 2006-12-05 | 2006-12-05 | Composite type polluted water pretreatment apparatus for hydrolysis and acidification |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1962486A true CN1962486A (en) | 2007-05-16 |
| CN100494089C CN100494089C (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610144377XA Expired - Fee Related CN100494089C (en) | 2006-12-05 | 2006-12-05 | Composite type polluted water pretreatment apparatus for hydrolysis and acidification |
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| Country | Link |
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| CN (1) | CN100494089C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241434A (en) * | 2011-06-08 | 2011-11-16 | 浙江省环境保护科学设计研究院 | Intermittent expansion composite hydrolysis treatment device and method |
| CN103043787A (en) * | 2012-12-20 | 2013-04-17 | 厦门利新德环保科技工程有限公司 | Anaerobic reactor |
| CN103241834A (en) * | 2013-05-27 | 2013-08-14 | 铁道第三勘察设计院集团有限公司 | Pulse internal circulation anaerobic reactor |
| CN105753151A (en) * | 2016-05-16 | 2016-07-13 | 沈阳环境科学研究院 | Hydrolytic acidification reactor with residue scraping function |
-
2006
- 2006-12-05 CN CNB200610144377XA patent/CN100494089C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241434A (en) * | 2011-06-08 | 2011-11-16 | 浙江省环境保护科学设计研究院 | Intermittent expansion composite hydrolysis treatment device and method |
| CN103043787A (en) * | 2012-12-20 | 2013-04-17 | 厦门利新德环保科技工程有限公司 | Anaerobic reactor |
| CN103241834A (en) * | 2013-05-27 | 2013-08-14 | 铁道第三勘察设计院集团有限公司 | Pulse internal circulation anaerobic reactor |
| CN105753151A (en) * | 2016-05-16 | 2016-07-13 | 沈阳环境科学研究院 | Hydrolytic acidification reactor with residue scraping function |
| CN105753151B (en) * | 2016-05-16 | 2018-12-21 | 沈阳环境科学研究院 | It is a kind of with the reactor for hydrolysis and acidification for scraping slag function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100494089C (en) | 2009-06-03 |
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Granted publication date: 20090603 Termination date: 20111205 |