CN1312057C - Disperse type sewage treatment and recovery utilization method of strengthening city sewage pipeline purifying function - Google Patents
Disperse type sewage treatment and recovery utilization method of strengthening city sewage pipeline purifying function Download PDFInfo
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- CN1312057C CN1312057C CNB2004100135166A CN200410013516A CN1312057C CN 1312057 C CN1312057 C CN 1312057C CN B2004100135166 A CNB2004100135166 A CN B2004100135166A CN 200410013516 A CN200410013516 A CN 200410013516A CN 1312057 C CN1312057 C CN 1312057C
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- sewage
- aeration
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- main pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Activated Sludge Processes (AREA)
Abstract
The present invention discloses a dispersed type sewage treating and recycling method by strengthening the purifying function of a city sewage pipeline, which relates to a method for treating and processing city sewage. A city sewage conveying main pipe has important effect in collecting and conveying the sewage, but the effect of the city sewage conveying main pipe in the aspect of sewage treatment is always neglected by people. The present invention adopts the city sewage conveying main pipe as a bioreactor for biological reaction directly; the present invention has the specific method that the biological treatment function of the sewage conveying main pipe is artificially strengthened by means of charging oxygen in the sewage or charging the oxygen in the sewage conveying main pipe by aeration by using an inspection well, arranging filler carrier or designing a sludge backflow facility in the sewage conveying main pipe, etc. The present invention fully utilizes the sewage pipeline having the sewage conveying function traditionally as a part of the sewage treatment, so the space of a sewage treatment structure is considerably saved, the traditional concept of the sewage treatment is changed, and the city sewage can be recycled nearby.
Description
Technical field: the present invention relates to a kind of municipal effluent be handled and recycling method.
Background technology: the water resources of China extremely lacks, and a large amount of municipal effluents directly enters water body without suitably just handling, and has aggravated the contradiction of shortage of water resources.Municipal effluent is suitably handled and being carried out reuse as certain purposes water, is to solve water resources to lack one of effective way of problem.Existing conventional municipal sewage treatment and reclaiming system are as shown in Figure 1, there is the problem of the following aspects in it: (1) municipal effluent is delivered to sewage work through the delivery main of long distance, through after the advanced treatment, send city reuse water spot back to through the reuse water delivery main pressure of long distance again, must increase the initial cost of tubing system and the power consumption of long distance water transfer like this; (2) owing to the water quality requirement of each reuse water spot to reuse water is not quite similar, this has made difficulty with regard to the selection of giving sewerage advanced treatment process in the municipal sewage plant, adopt same treatment technology will increase processing cost, adopt different treatment process will increase the maintenance management difficulty of municipal sewage plant.Therefore, make a concrete analysis of in conjunction with the water yield, water quality that each reuse water spot of city is required, municipal sewage treatment and reclaiming system are optimized configuration, can reduce and handle and the reuse cost, under limited fund input situation, solve water to greatest extent and pollute and the olighydria problem.The municipal effluent delivery main is as the vena cava in city, bringing into play vital role aspect the collection of sewage and the conveying, but its huge latent effect that is had aspect sewage disposal ignored by people always.Abroad, although limited experimental study has been investigated sewer line aspect the sewage pre-treatment and to the effect of aspects such as sewage work's influence, but the municipal effluent delivery main is aspect leading sewage disposal, particularly in the effect aspect reusing sewage, always not by the research and utilization in addition of system.
Summary of the invention: the present invention has overcome present people generally believe sewage is carried out a biological disposal upon must additionally provide the understanding of bio-reactor, it is big also to have overcome the investment that exists in the existing sewage disposal, inefficient drawback, provide a kind of cost low, invest little, the efficient height, the decentralized type sewage of the reinforcement urban sewage pipe purification function that treatment effect is good is handled and reuse method, its solution is directly to carry out biological respinse with the municipal effluent main as bio-reactor, its concrete grammar be utilize inspection chamber in sewage oxygenation or in trunk sewer aeration aerating, means such as filling carrier or design mud backflow facility are installed, the biological treatment function of coming artificial enhanced sewage main in trunk sewer.The present invention has substituted the municipal sewage plant by the small-sized reuse water treatment station of many dispersive, has realized the zero release of municipal effluent, and has finished the water reuse of different purposes nearby.It lacks significant for solving water pollution and water resources.In addition, adopt this dispersion treatment, recycling method nearby, can reduce the size of sewage delivery main, save the reuse water pipeline, thereby save construction investment.Adopt this method, also can save power consumption, reduce running cost.According to the actual distribution situation of city reuse water spot, in the suitable place of sewer line a plurality of concentrated reuse water treatment station are set, the scale of reuse water treatment station and occupation of land require less, thereby selection reuse water treatment process is very important and necessary.The development of technology such as membrane Bio-reactor Technology and BAF in recent years and perfect gradually, for the realization of this target provides may.As seen, a key point of municipal sewage treatment and the new system of reuse is exactly that modern technique with sewage treatment area combines, and makes total system have feasibility and advance.It has made full use of plays the sewer line that sewage transfers function on the traditional sense, with its part as sewage disposal, saved the space of sewage treatment structure greatly, has changed the notion of sewage disposal on the traditional sense.Realized the reuse nearby of municipal effluent.When formulating urban development planning, the unified consideration of the reasonable utilization of water resources should be formulated town water planning, on this basis, can scientifically determine the position of reuse water spot, quantity and corresponding treatment technology help reuse water being delivered to the reuse water spot nearby.Owing to municipal effluent is constantly handled and reuse in collection, course of conveying, thereby the sewage quantity that transfers minimizing, help reducing the size of delivery main, thereby saved pipe network initial cost partly.In municipal sewage treatment and reclaiming system, treatment process is simple relatively, and running maintenance is also than being easier to, and can adopt different processing parameters according to the quality of reused water requirement, moves very flexible.When utilizing sewer line to handle, pipeline is embedded in underground, helps insulation, particularly north cold area winter, helps guaranteeing treatment effect.Help built by separate periods.Can set up the reuse water treatment station at any time according to the requirement of the different times reuse water water yield.
Description of drawings: Fig. 1 is existing municipal sewage treatment and reclaiming system figure, and Fig. 2 is municipal sewage treatment of the present invention and reclaiming system block diagram.
Embodiment one: present embodiment with the municipal effluent main as the concrete measure of bio-reactor is: with trunk sewer is biological processing reaction district, concentrates at the inspection chamber place and carries out aeration aerating, forms aerobic-anoxic process intermittently.Inspection chamber adopts the deep-well form, and well depth 5～20m, preferred values are 10～15m, so both can save occupation of land, can improve the utilising efficiency of oxygen again.Establish near the inspection chamber between air feed, establish air compressor machine between air feed, source of the gas is an air.Disperse to be provided with the reusing sewage treatment station on trunk sewer, treatment process adopts membrane bioreactor or BAF, and water outlet is mainly used in municipal water use, greening water, landscape water, irrigation water and to the not high process water of water quality requirement etc.
Embodiment two: present embodiment and embodiment one difference be, between air feed in source of the gas be purity oxygen, main air feed equipment is liquid-oxygen container, pressure regulating equipment etc., adopts pure oxygen aeration can improve oxidation effect greatly and to the removal efficient of pollutent.Other is identical with embodiment one.
Embodiment three: present embodiment and aforementioned embodiments difference are filling carrier to be installed, to improve the biomass in the trunk sewer in trunk sewer.The mounting means of filling carrier is that horizontal floated is installed, and filler can fluctuate with liquid level change in the main, establishes stationary installation at the trunk sewer inner top, fixes the level attitude of filler.
Embodiment four: present embodiment and embodiment three differences are that the mounting means of filling carrier is for hanging pattern.
Embodiment five: the difference of present embodiment and aforementioned embodiments is, also carries out aeration aerating in trunk sewer, adopts blast aeration or film aeration mode, and perforated pipe aerating regulation equipment or membrane module place the trunk sewer bottom, and source of the gas is between air feed.Aeration helps improving the removal effect to pollutent in trunk sewer.
Embodiment six: present embodiment and embodiment five differences are that aeration mode adopts mechanical aeration, mechanical aeration employing jet-flow aeration or cavitation aeration form.
Embodiment seven: the difference of present embodiment and aforementioned embodiments is, mud backflow facility is set in trunk sewer, the mud of downstream inspection chamber and reusing sewage treatment station is back to upstream line, improve the sludge concentration in the trunk sewer, thereby improve the biological treatment effect of trunk sewer.
Embodiment eight: present embodiment and embodiment seven differences are, mud backflow facility adopts upstream inspection chamber or reuse water treatment station main arbitrary way downstream, and the returned sluge pipeline is arranged in the trunk sewer.
Embodiment nine: present embodiment is that above-mentioned embodiment three, five, seven adopts or make up employing simultaneously.
Embodiment ten: present embodiment and embodiment one difference are, the reusing sewage treatment station is on the basis of membrane bioreactor or biological aerated filter process, adopt nanofiltration, reverse osmosis and electrodialysis even depth treatment process, water outlet can be satisfied the industrial use that water quality is had higher requirements, as boiler feed water etc.Other is identical with embodiment one.
Claims (5)
1, a kind of decentralized type sewage of strengthening the urban sewage pipe purification function is handled and reuse method, it is characterized in that it directly carries out biological respinse with the municipal effluent main as bio-reactor, the means that adopted are, directly the municipal effluent main is carried out aeration aerating, perhaps directly the inspection chamber on the existing municipal effluent main is carried out aeration aerating; Simultaneously, it directly installs filling carrier in the municipal effluent main, and filling carrier adopts the suspension pattern or hangs pattern; And directly on the municipal effluent main, disperse to be provided with the reusing sewage treatment station.
2, the decentralized type sewage of reinforcement urban sewage pipe purification function according to claim 1 is handled and reuse method, it is characterized in that the reusing sewage treatment station adopts membrane bioreactor or BAF to carry out reusing sewage and handles, adopt nanofiltration, reverse osmosis and electrodialytic reuse water deep treatment method simultaneously.
3, the decentralized type sewage of reinforcement urban sewage pipe purification function according to claim 1 is handled and reuse method, it is characterized in that aeration mode adopts blast aeration or mechanical aeration; The source of the gas that blast aeration is adopted is pure oxygen or air, and jet-flow aeration or cavitation aeration form are adopted in mechanical aeration.
4, handle and reuse method according to the decentralized type sewage of claim 1,2 or 3 described reinforcement urban sewage pipe purification functions, it is characterized in that directly in the municipal effluent main, being provided with mud backflow facility.
5, the decentralized type sewage of reinforcement urban sewage pipe purification function according to claim 4 is handled and reuse method, it is characterized in that mud backflow facility adopts upstream inspection chamber or reuse water treatment station main arbitrary way downstream, mud in the initial section trunk sewer refluxes and adopts downstream inspection chamber or reuse water treatment station reflux type upstream, and the returned sluge pipeline is arranged in the trunk sewer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100135166A CN1312057C (en) | 2004-01-14 | 2004-01-14 | Disperse type sewage treatment and recovery utilization method of strengthening city sewage pipeline purifying function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100135166A CN1312057C (en) | 2004-01-14 | 2004-01-14 | Disperse type sewage treatment and recovery utilization method of strengthening city sewage pipeline purifying function |
Publications (2)
| Publication Number | Publication Date |
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| CN1557740A CN1557740A (en) | 2004-12-29 |
| CN1312057C true CN1312057C (en) | 2007-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100135166A Expired - Fee Related CN1312057C (en) | 2004-01-14 | 2004-01-14 | Disperse type sewage treatment and recovery utilization method of strengthening city sewage pipeline purifying function |
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| CN (1) | CN1312057C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225824B (en) * | 2011-04-27 | 2012-12-19 | 桂林理工大学 | Energy-saving sewage purification method by sequencing batch membrane reinforcement pipe network |
| CN102491531A (en) * | 2011-12-01 | 2012-06-13 | 哈尔滨工业大学 | Reoxygenation-strengthening biological sewage treatment method for circulating drainage pipeline |
| CN103043794A (en) * | 2013-01-25 | 2013-04-17 | 哈尔滨工业大学 | Sewage treatment method based on municipal sewage pipeline reinforcement and sewage recycling |
| CN103771668B (en) * | 2014-02-26 | 2015-10-21 | 华瀚管道系统科技有限公司 | A kind of urban drainage pipe network sewage separation treatment system |
| CN105417702B (en) * | 2015-12-25 | 2019-05-24 | 广西师范大学 | A kind of filtration system of dispersant type domestic wastewater pipeline |
| CN110697978A (en) * | 2019-10-12 | 2020-01-17 | 上海同瑞环保科技有限公司 | Method for improving purification capacity of drainage system |
| CN110655175A (en) * | 2019-10-12 | 2020-01-07 | 上海同瑞环保科技有限公司 | Method for treating black and odorous muddy water in drainage system by using pure oxygen |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1285321A (en) * | 2000-09-21 | 2001-02-28 | 上海佛欣爱建河道治理有限公司 | Urban Underground pipeline type sewage treatment method |
| CN1285322A (en) * | 2000-09-21 | 2001-02-28 | 上海佛欣爱建河道治理有限公司 | Urban underground pipeline type sewage treatment equipment |
| CN1313253A (en) * | 2000-02-29 | 2001-09-19 | 黄斌夫 | Biochemical synchronous treatment of sewage from sewage flow |
| JP2003266098A (en) * | 2002-03-14 | 2003-09-24 | Sanyo Electric Co Ltd | Wastewater treatment system |
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2004
- 2004-01-14 CN CNB2004100135166A patent/CN1312057C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1313253A (en) * | 2000-02-29 | 2001-09-19 | 黄斌夫 | Biochemical synchronous treatment of sewage from sewage flow |
| CN1285321A (en) * | 2000-09-21 | 2001-02-28 | 上海佛欣爱建河道治理有限公司 | Urban Underground pipeline type sewage treatment method |
| CN1285322A (en) * | 2000-09-21 | 2001-02-28 | 上海佛欣爱建河道治理有限公司 | Urban underground pipeline type sewage treatment equipment |
| JP2003266098A (en) * | 2002-03-14 | 2003-09-24 | Sanyo Electric Co Ltd | Wastewater treatment system |
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| CN1557740A (en) | 2004-12-29 |
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