CN107986552A - A kind of highly integrated a variety of modification sewage-treating reactors and its control method - Google Patents

A kind of highly integrated a variety of modification sewage-treating reactors and its control method Download PDF

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Publication number
CN107986552A
CN107986552A CN201710980578.1A CN201710980578A CN107986552A CN 107986552 A CN107986552 A CN 107986552A CN 201710980578 A CN201710980578 A CN 201710980578A CN 107986552 A CN107986552 A CN 107986552A
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sewage
treating
air blower
area
sludge
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贾鸿才
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PowerChina Chengdu Engineering Co Ltd
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PowerChina Chengdu Engineering Co Ltd
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Priority to CN201710980578.1A priority Critical patent/CN107986552A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/22O2
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/04Flow arrangements
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1236Particular type of activated sludge installations
    • C02F3/1263Sequencing batch reactors [SBR]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1236Particular type of activated sludge installations
    • C02F3/1268Membrane bioreactor systems
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • C02F3/282Anaerobic digestion processes using anaerobic sequencing batch reactors
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • C02F3/2853Anaerobic digestion processes using anaerobic membrane bioreactors
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/301Aerobic and anaerobic treatment in the same reactor

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Activated Sludge Processes (AREA)

Abstract

The invention discloses a kind of highly integrated a variety of modification sewage-treating reactors and its control method, belong to sewage treatment field, the sewage-treating reactor, along waste water processes, sewage-treating reactor is disposed with lower unit:Between grid canal, regulating reservoir, lift pump room, biochemical reaction zone, advanced treating and Treatment of Sludge area, and between each unit accordingly it is co-walled be connected after form single overall structure.Sewage-treating reactor of the present invention, it incorporates the main part of the sewage disposals such as between grid canal, regulating reservoir, lift pump room, biochemical reaction zone, advanced treating and Treatment of Sludge area, and each unit is efficiently become one structure by using single overall structure, it is highly suitable for the improvement demand to decentralized wastewater, and the floor space of equipment entirety can be reduced, and shortens process flow, reduces operation and maintenance difficulty, reduces operation energy consumption and equipment cost etc..

Description

A kind of highly integrated a variety of modification sewage-treating reactors and its control method
Technical field
The present invention relates to sewage treatment field, more particularly to a kind of highly integrated a variety of modification sewage-treating reactors and its control Method processed.
Background technology
The effect of sewage treatment facility is that production, sanitary sewage are handled, and reaches defined discharge standard, is protection The critical facility of environment.Sewage disposal generally can be divided at coagulation, two stage treatment and three-level according to degree for the treatment of to divide Reason.Coagulation mainly removes in sewage and largely can be only done one in floating, the solid pollutant of suspended state, physical treatment The requirement of level processing.Sewage after coagulation, BOD biochemical oxygen demand (BOD)s generally can remove 30% or so, do not reach discharge Standard requirement.Coagulation belongs to the pretreatment of two stage treatment;It is in colloid and dissolved state that two stage treatment, which is mainly removed in sewage, Organic pollution, i.e. the material such as BOD, COD COD, removal rate make organic pollution reach row up to more than 90% Put standard.Two stage treatment is usually predominantly finger biological treatment;Tertiary treatment is that further processing is difficult drops after I and II processing Organic matter, nitrogen and phosphorus of solution etc. can result in soluble inorganic matter of body eutrophication etc..
China county town and upper scale city are all completed centralized sewage treatment facility substantially, and environmental pollution states obtain Greatly improve.The scattered dirt such as point, Podunk village, Scenic Spot Area and field capital construction base but fringe area, satellite yard up Water harnessing rate is also very low, causes significantly scattered point type environmental pollution.Decentralized type sewage is administered concentrates sewage to control compared to city It is significantly special that reason has that treatment scale is small, change of water quality is big, water fluctuation is big, shortage of funding, professional operation maintenance personnel lack etc. Point.Due to national temporarily without specification is targetedly instructed, present situation utilizes the planning and designing thinking and habit of Municipal waste water control more Used to go to tackle, natural inadaptability, which result in substantial amounts of " getting sun " engineering, to be occurred, and causes social resources serious waste and ring Border pollution continues.
Traditional integrated sewage treating apparatus, which simplifies sewage disposal links, to be combined, and carries out equipment conversion.For control System manufacture cost, equipment items technological design index push up lattice value more, have compressed the volume of equipment as far as possible, cause equipment to resist Impact load ability is poor, it is extremely difficult to continual and steady up to standard.For convenience of transport, installation, single device treating capacity is smaller more less than 200 Side/day, often needs multiple devices parallel running in practical application, and the service life of equipment is mostly 5~8 years, and equipment is once Investment is higher, and equipment depreciation is very fast.China does not formulate integrated sewage treating apparatus temporarily professional standard at present, and equipment is set The links such as meter, manufacture and product control are uneven, and equipment quality, operating cost and after-sales service etc. are difficult to ensure.
For the situation of comprehensive existing decentralized wastewater resolution, existing resolution be primarily present big occupation of land, long flow path, Operation and maintenance difficulty is high, high energy consumption, or there are the problems such as depreciation is high, effluent quality is not sufficiently stable.
The content of the invention
The technical problem to be solved by the present invention is to provide a kind of highly integrated a variety of modification sewage-treating reactors, to solve tradition Resolution, which exists, takes up an area the problems such as big, long flow path, operation and maintenance difficulty height, high energy consumption, effluent quality are not sufficiently stable;And carry For a kind of control method using sewage-treating reactor of the present invention, it can effectively realize the automatic inspection to reactor Survey, control, at the same avoid shutting down for a long time and caused by microorganism mortality and system recover the problems such as difficult.
The technical solution adopted by the present invention to solve the technical problems is:A kind of highly integrated a variety of modification sewage disposal reactions Device, along waste water processes, sewage-treating reactor is disposed with lower unit:Grid canal, regulating reservoir, lift pump room, life Change reaction zone, between advanced treating and Treatment of Sludge area, and between each unit accordingly it is co-walled be connected after form single entirety Structure.
It is further:Sewage-treating reactor is further included with lower unit:Ancillary equipment area, transmission-line control room and it is on duty stop Cease room;The Treatment of Sludge area is arranged to sludge drying pond, and either Treatment of Sludge area is only arranged to excess sludge pond or sludge Treatment region is arranged between excess sludge pond and sludge dewatering at the same time.
It is further:Sewage-treating reactor further includes odor treating device, is provided with and puts on odor treating device Separate tube;The biochemical reaction zone and regulating reservoir are that top seals structure, in biochemical reaction zone and the top part of regulating reservoir Foul smell outlet is not provided with, and the odor treating device is corresponding with biochemical reaction zone and regulating reservoir respectively by foul smell collecting pipe Foul smell outlet;When being provided with excess sludge pond, excess sludge pond seals structure for top, in excess sludge pond Top is provided with foul smell outlet, and the odor treating device is connected by the foul smell outlet corresponding with excess sludge pond of foul smell collecting pipe It is logical;When being provided between sludge dewatering, structure is sealed for top between sludge dewatering, the top between sludge dewatering is provided with Foul smell exports, and the odor treating device passes through foul smell collecting pipe foul smell outlet corresponding between sludge dewatering;It is described to put Separate tube is used for the tail gas after odor treating device deodorization is handled and is discharged into air.
It is further:The grid canal and the main part of regulating reservoir are embedded in underground;When being provided with excess sludge Chi Shi, the main part in excess sludge pond are embedded in underground;When being provided with sludge drying pond, sludge drying pond is arranged at adjusting Above the top plate in pond;Between the biochemical reaction zone, advanced treating, lift pump room, ancillary equipment area, transmission-line control room and it is on duty stop The main part of breath room is arranged at earth's surface.
It is further:Precise filtering device and chlorination equipment are provided with the advanced treating;In lift pump room Inside it is provided with sewage pump;The sewage pump is used to extract the sewage in regulating reservoir to biochemical reaction zone, and Hydrocyclone is provided with the outlet pipeline of sewage pump, the supernatant of hydrocyclone discharge is delivered to biochemical reaction Area, the sludge of hydrocyclone discharge are delivered to Treatment of Sludge area.
It is further:The biochemical reaction zone uses A/O types, AA/O types, SBR types or MBR types.
It is further:The sewage-treating reactor further includes aeration agitation system and complex control system;The exposure Gas agitating system includes blast aerator, air blast agitating device, the first air blower and the second air blower, the blast aeration dress Put and be connected with the first air blower, the air blast agitating device and the second air blower;Air blast is respectively arranged with biochemical reaction zone Aeration zone and air blast stirring area;The blast aerator is provided with blast aeration area, in regulating reservoir and air blast stirring area Inside it is respectively arranged with the air blast agitating device;When being provided with excess sludge pond, in excess sludge pond being provided with air blast stirs Mix device;The complex control system includes control main frame, the first online DO instrument, the second online DO instrument and online tank gage;Institute The first online DO instrument, the second online DO instrument and online tank gage is stated respectively with control main frame signal to be connected;The first online DO Instrument is arranged in blast aeration area, and the second online DO instrument is arranged in air blast stirring area, and the online tank gage is arranged at In regulating reservoir;The control main frame is connected and can distinguish with the first air blower, the second air blower and sewage lifting pump signal respectively Control the first air blower, the second air blower and sewage pump.
In addition, the present invention also provides a kind of control method of sewage-treating reactor, using of the present invention a kind of high A variety of modification sewage-treating reactors are integrated, and including following control process:
Start-up course:When liquid level reaches the priming level L2 of setting in regulating reservoir, this is monitored by online tank gage and is opened Dynamic liquid level signal simultaneously sends control main frame to, controls the first air blower and the second air blower to start by control main frame;Control at the same time Host receive after the startup liquid level signal that line tank gage is sent controlled after delay adjustments duration T1 sewage pump, Precise filtering device and chlorination equipment start;
Stopping process:When liquid level reaches the shutdown water level L1 of setting in regulating reservoir, this is monitored by online tank gage and is stopped Machine liquid level signal simultaneously sends control main frame to, and the first air blower, the second air blower, sewage pump, essence are controlled by control main frame Close filtration apparatus and chlorination equipment are shut down.
It is further:The control method of sewage-treating reactor of the present invention further includes following control process:
Timing aeration process:During sewage-treating reactor is in shutdown status, often by corresponding setting duration After T2, by autostop after control main frame control the first air blower operation setting duration T3.
It is further:It is continuous operational process between start-up course and stopping process, is adopted in continuous operational process With following control:First air blower uses variable-frequency motor, and monitor value and setting of the control main frame according to the first online DO instrument The bias PI1 of value controls the running frequency of the first blower motor, with the blow rate required realization pair by controlling the first air blower The adjustment control of DO values in blast aeration area;Second air blower is controlled using power frequency intermittent duty, sets its single operation duration For T5, and control main frame controls the second air blower according to the detected value of the second online DO instrument and the bias PI2 of setting value Run time interval T4, with by controlling the operating condition of the second air blower to realize the adjusting control to the DO values in air blast stirring area System.
The beneficial effects of the invention are as follows:Sewage-treating reactor of the present invention, its incorporate grid canal, regulating reservoir, The main part of the sewage disposals such as between lift pump room, biochemical reaction zone, advanced treating and Treatment of Sludge area, and by using list One overall structure efficiently becomes one each unit structure, is highly suitable for the improvement demand to decentralized wastewater, and The floor space of reactor entirety can be reduced, and shortens process flow, reduce operation and maintenance difficulty and operation energy consumption etc., and And sewage-treating reactor of the present invention is compact-sized, having significantly reduces construction cost and shortens the excellent of construction period Point.In addition, the present invention as needed can the further unit such as matched auxiliaring equipment area, transmission-line control room and night shift room, with And also specifically various various forms of biochemical reaction plot structures can be used, it can be achieved that dirt in light of the circumstances according to being actually needed Water harnessing uses corresponding biochemical reaction plot structure, it can be ensured that the specific aim and validity of sewage-treating reactor, ensure sewage Treatment effect.In addition, corresponding Odor control, secondary filter, chlorination equipment, aeration agitation system are further integrated in the present invention With Comprehensive Control etc., it can be further assured that wastewater treatment efficiency and reduce problem of environmental pollution in processing procedure;Lead at the same time Cross and use air blast stirring system, realized using the air-flow that corresponding air blower produces in the region for needing to be aerated or stir Corresponding aeration and stirring action, since corresponding equipment air blower is dry type installation, electromechanical equipment is few, and total installation of generating capacity is low, Therefore equipment fault can be reduced, easy to plant maintenance and reduction operation.It is in addition, anti-by using sewage disposal of the present invention The control method of device is answered, it can be achieved that the effective of sewage-treating reactor of the present invention is detected, controls and run automatically, It can ensure that wastewater treatment efficiency.In addition, the timing aeration process that the present invention is monitored automatically by being provided with, can avoid stopping for a long time Machine and caused by microorganism mortality and system recover the problems such as difficult.
Brief description of the drawings
Fig. 1 is according to the top view of the arrangement of the exemplary embodiments 1 of this patent;
Fig. 2 is according to the top view of the arrangement of the exemplary embodiments 2 of this patent;
Fig. 3 is according to the top view of the arrangement of the exemplary embodiments 3 of this patent;
Fig. 4 is according to the sectional view of the embodiment of the typical A/O types biochemical reaction zone of this patent;
Fig. 5 is according to the sectional view of the embodiment of the typical AA/O types biochemical reaction zone of this patent;
Fig. 6 is according to the sectional view of the embodiment of the typical MBR types biochemical reaction zone of this patent;
Fig. 7 is according to the sectional view of the first structure of the typical SBR types biochemical reaction zone of this patent;
Fig. 8 is according to the sectional view of second of structure of the typical SBR types biochemical reaction zone of this patent;
Fig. 9 is according to the control principle drawing exemplified by this patent typical case's AA/O types biochemical reaction zone;
In figure mark for:6 between water inlet end 1, grid canal 2, regulating reservoir 3, lift pump room 4, biochemical reaction zone 5, advanced treating, 12 between ancillary equipment area 7, transmission-line control room 8, night shift room 9, sludge drying pond 10, excess sludge pond 11, sludge dewatering, it is smelly Flash Gas Compression Skid System 13, foul smell collecting pipe 14, desorption tube 15, precise filtering device 16, chlorination equipment 17, sewage pump 18, rotation Flow desander 19, blast aerator 20, air blast agitating device 21, the first air blower 22, the second air blower 23, control main frame 24th, the first online DO instrument 25, the second online DO instrument 26, online tank gage 27, water outlet 28, aerobic area 29, aerobic zone 30, two are heavy Pond 31, anaerobic zone 32, MBR membrane cisternas 33, SBR aeration and sedimentations area 34, biological selecting area 35, alternate agitation sedimentation basin 36, sedimentation basin Central tube 37, pneumatic power reflux pump 38, nitrification liquid return duct 39, excess sludge pipe 40, mud return line 41, extension control port 42nd, mechanical stirring device 43.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
The highly integrated a variety of modification sewage-treating reactors of one kind of the present invention, along waste water processes, sewage disposal Reactor is disposed with lower unit:Along waste water processes, sewage-treating reactor is disposed with lower unit:Grid 6 and Treatment of Sludge area between canal 2, regulating reservoir 3, lift pump room 4, biochemical reaction zone 5, advanced treating, and it is corresponding between each unit Ground it is co-walled be connected after form single overall structure.Wherein, it is accordingly co-walled between each unit to be connected, adjacent two referred to On the one hand adjacent setting between unit, and co-walled formation integrative-structure, can so reduce the floor space of whole reactor, make Obtaining apparatus for treating sewage of the present invention has higher integrated level, realizes highly integrated purpose of the present invention;The opposing party Face reactor can use a variety of modified arrangement forms to meet the reality of concrete engineering application according to the technological process difference used Demand, realizes the purpose of a variety of adaptability modifications of the present invention.Whole reactor can use steel construction or civil engineering structure It is made.
In addition, can reasonably be arranged according to actual conditions for the specific location between each unit in the present invention, and And it can also increase and set with lower unit according to actual needs:Ancillary equipment area 7, transmission-line control room 8 and night shift room 9;Its In, night shift room 9 is for employee's monitoring on duty, rest etc.;Transmission-line control room 8 can be used for installing corresponding power supply and distribution and control Equipment etc.;Ancillary equipment area 7 is used to install corresponding ancillary equipment, such as available for installation air blower, pneumatics mechanism of qi etc..
Certainly, a variety of modification sewage-treating reactors of the present invention, are both according to actual conditions, reasonably using upper State each unit and combine Practical Project situation, carry out the reactor being structure as a whole that is formed by connecting after reasonably splicing;With this reality A variety of Amoebidas of the existing present invention.1 to shown in attached drawing 3 referring to the drawings, shows for common three kinds typical modification horizontal layouts It is intended to;It is according to actual conditions, the position of reasonable Arrangement each unit.
In addition, during the actual arrangement of reactor, it is contemplated that the processing mode of sludge can be taken under normal conditions Temporary outward transport, the natural different modes such as desiccation or mechanical dehydration, therefore according to different Treatment of Sludge modes, can be by sludge Reason area is further arranged to the structure type in excess sludge pond 11 or sludge drying pond 14.As shown in referring to the drawings 1, to adopt It is arranged at the structure type in sludge drying pond 10, and by sludge drying pond 10 above the top plate of regulating reservoir 3, i.e., using adjusting Natural desiccation region above the top plate in pond 3 as the sludge to being isolated in sewage disposal process, then recycling transport Equipment handles the sludge outward transport after natural desiccation;And referring to the drawings 2 and attached drawing 3 shown in, for using excess sludge pond 13 Structure type, its effect of so-called excess sludge pond 13 is for storing the sludge separated in sewage disposal process temporarily, so Directly handled again by transporting equipment outward transport afterwards, or further by between the corresponding sludge dewatering of increase setting 12 and carry out machine Processing is transported outward after tool dehydration and drying again.
In addition, sewage-treating reactor of the present invention can also further odor treating device 13, odor treating device 13 be mainly used between regulating reservoir 3, excess sludge pond 11, biochemical reaction zone 5 and sludge dewatering in the units such as 12 caused by Foul smell gas is collected and is discharged again after deodorization, to prevent foul smell from directly discharging the pollution problem caused to environment.Specifically, Desorption tube 15 is provided with odor treating device 13, to utilize desorption tube 15 by the tail after 13 deodorization of odor treating device processing Gas is discharged into air;It is that top seals structure in biochemical reaction zone 5 and regulating reservoir 3 accordingly, in biochemical reaction zone 5 and adjusts The top in section pond 3 is respectively arranged with foul smell outlet, and the odor treating device 13 is anti-with biochemistry respectively by foul smell collecting pipe 14 Answer area 5 and the corresponding foul smell outlet of regulating reservoir 3;When being provided with excess sludge pond 11, excess sludge pond 11 adds for top Lid sealing structure, foul smell outlet is provided with the top in excess sludge pond 11, and the odor treating device 13 is collected by foul smell The foul smell outlet corresponding with excess sludge pond 11 of pipe 14;Similarly, when 12 between being provided with sludge dewatering, 12 between sludge dewatering Structure is sealed for top, 12 top is provided with foul smell outlet between sludge dewatering, and the odor treating device 13 passes through The foul smell outlet corresponding between sludge dewatering 12 of foul smell collecting pipe 14.The collection to foul smell so can be achieved, accordingly The air power plants such as air-introduced machine are usually provided with odor treating device 13, the suction provided by air-introduced machine is by each unit The odorous gas of generation is pumped into odor treating device 13, and is discharged again by tail gas desorption tube 15 after being handled by deodorization Into air.
In addition, it is generally the case that with reference to the arrangement form of above-mentioned each unit concrete structure, the present invention can be by 2 He of grid canal The main part of the grade of regulating reservoir 3 is embedded in underground, while when being provided with excess sludge pond 11, the main part in excess sludge pond 11 Divide and be also embedded in underground;Referring to the drawings the dotted portion as shown in 1 to 3 and with reference to as shown in attached drawing 4 to 9.And when setting When having sludge drying pond 10, sludge drying pond 10 is arranged above the top plate of regulating reservoir 3, is entered with reference to shown in attached drawing 1.In addition then By 6, lift pump room 4, ancillary equipment area 7, transmission-line control room 8 and night shift room 9 between the biochemical reaction zone 5, advanced treating Deng main part be arranged at earth's surface, such as the bold portion as shown in 1 to 3 referring to the drawings and with reference to as shown in attached drawing 4 to 9.
In addition, 6 between heretofore described advanced treating, its be for by the sewage after being handled from biochemical reaction zone 5 again Further advanced treating is carried out, specifically can be as needed, the 6 interior corresponding precise filtering device 16 of setting between advanced treating With chlorination equipment 17, wherein precise filtering device 16 can use fiber coiled filter, dynamic shifting sand filter, metal drum mistake The processing equipment of the routine such as filter or more medium filter;And chlorination equipment 17 then can it is different according to the sterilization method of use and Corresponding device is selected, such as disinfection by ultraviolet light or chlorine-containing disinfectant can be used to sterilize.
In addition, sewage pump 18 and the grade device of hydrocyclone 19, the sewage are usually provided with lift pump room 4 Elevator pump 18 is used to extract the sewage in regulating reservoir 3 to biochemical reaction zone 5, for the ease of understanding and easy to draw, attached drawing 9 Shown in sewage pump 18 to be drawn in regulating reservoir 3, submersible water pump can be used in such cases as sewage pump; And when using dry type water pump, then sewage pump 18 can be installed in lift pump room 4.Meanwhile the present invention is in sewage lifting Hydrocyclone 19 is provided with the outlet pipeline of pump 18, the effect of hydrocyclone 19 is realized to the part silt in sewage Separation, then the supernatant that hydrocyclone 19 is discharged is delivered in biochemical reaction zone 5 again and carries out follow-up processing, at the same time The sludge that hydrocyclone 19 is discharged is delivered to Treatment of Sludge area, is handled with carrying out follow-up sludge drying processing and outward transport; Certainly, sludge drying pond 10, excess sludge pond will be transported to according to the difference in set Treatment of Sludge area, the sludge of discharge Subsequent treatment is carried out in 12 between 11 or sludge dewatering.More specifically, above-mentioned sewage pump 18 generally preferably uses submersible sewage pump, And hydrocyclone 19 is then self-action or hand sediment outflow structure.
In addition, with reference to this area at present to a variety of biochemical processing process of sewage, heretofore described biochemical reaction zone 5 Any existing treatment process form can be adopted as, such as A/O types, AA/O types, SBR types or MBR types can be adopted as.Certainly, root The control method using different sewage-treating reactors is combined according to actual conditions, can also realize the treatment reaction to the present invention The various modifications structure of device, and then realize various deformation to purpose.
In addition, sewage-treating reactor described in this reverse side can also further comprise aeration agitation system and Comprehensive Control system System;The aeration agitation system includes blast aerator 20, air blast agitating device 21, the first air blower 22 and the second air blower 23, the blast aerator 20 is connected with the first air blower 22,21 and second air blower 23 of air blast agitating device;In life Change in reaction zone 5 and be respectively arranged with blast aeration area and air blast stirring area;The blast aeration is provided with blast aeration area Device 20, is respectively arranged with the air blast agitating device 21 in regulating reservoir 3 and air blast stirring area;When being provided with excess sludge pond When 11, air blast agitating device 21 is provided with excess sludge pond 11;The complex control system includes control main frame 24, first Online DO instrument 25, the second online DO instrument 26 and online tank gage 27;The first online DO instrument 25, the second online DO instrument 26 and Line tank gage 27 is connected with 24 signal of control main frame respectively;The first online DO instrument 25 is arranged in blast aeration area, described Second online DO instrument 26 is arranged in air blast stirring area, and the online tank gage 27 is arranged in regulating reservoir 3;The control main frame 24 are connected with the first air blower 22, the second air blower 23 and 18 signal of sewage pump and can control the first air blower respectively respectively 22nd, the second air blower 23 and sewage pump 18.Aeration agitation system is to be used to stir corresponding blast aeration area and air blast The purpose of blast aeration and air blast stirring is carried out in area;And complex control system, then it is to be used for realization to whole sewage disposal The Comprehensive Control of reactor, referring specifically to subsequently explaining the specific of the control method of sewage-treating reactor of the present invention State.Wherein control main frame 24 is logic control element, it can be received from the first online DO instrument 25, the second online DO instrument 26 and online The corresponding signal of the grade conveying of tank gage 27, corresponding first air blower is can control after logical process is then carried out to corresponding signal 22nd, the second air blower 23 and sewage pump 18.In general, extension control port 42 can be also reserved with control main frame 24, with Just corresponding sensor or controlled unit etc. can be increased when needed.
It is air-flow can be produced by air blast and be filled using corresponding blast aeration using the advantages of above-mentioned blast aeration system Put 20 and air blast agitating device 21 realize corresponding aeration effect and mixing effect respectively, thus be avoided that using submersible type Agitating device, while the electromechanical equipment such as corresponding air blower is installed using dry type, avoids and is filled using existing during submersible type device The problems such as fragile, corrosion is put, while also allows for overhaul of the equipments.
During due to using different biochemical processing process, there will be different functional areas, corresponding drum for its biochemical reaction zone 5 The specific corresponding region of wind aeration zone and air blast stirring area will be different, specifically can refer to attached drawing 4 to shown in attached drawing 8:
Specific example shown in attached drawing 4 is the schematic diagram using A/O type biochemical reaction plot structures, its biochemical reaction zone 5 is wrapped The main functional areas such as aerobic area 29, aerobic zone 30 and secondary settling tank 31 are included, sewage is successively by aerobic area 29,30 and of aerobic zone The grade of secondary settling tank 31 processing heel row is put to progress subsequent treatment between advanced treating 6.Wherein, blast aeration area is the aerobic of its inside Area 30, and air blast stirring area can be then its internal aerobic area 29.
Specific example shown in attached drawing 5 is the schematic diagram using AA/O type biochemical reaction plot structures, its biochemical reaction zone 5 is wrapped The main functional areas such as anaerobic zone 32, aerobic area 29, aerobic zone 30 and secondary settling tank 31 are included, sewage is successively through anaerobic zone 32, simultaneous Oxygen area 29, aerobic zone 30 and secondary settling tank 31 are emitted into 6 interior progress subsequent treatments between advanced treating after handling.Wherein, blast aeration Aerobic zone 30 inside Qu Weiqi, and air blast stirring area can be then its internal aerobic area 29.
Specific example shown in attached drawing 6 is using the schematic diagram of the structure of MBR types biochemical reaction zone, its biochemical reaction zone 5 Include the main functional areas such as anaerobic zone 32, aerobic area 29, aerobic zone 30 and MBR membrane cisternas 33, sewage successively through anaerobic zone 32, Aerobic area 29, aerobic zone 30 and MBR membrane cisternas 33 are emitted into 6 interior progress subsequent treatments between advanced treating after handling.Wherein, air blast exposes Gas area is its internal aerobic zone 30, and air blast stirring area can be then its internal aerobic area 29.
Specific example described in attached drawing 7 and attached drawing 8 is respectively to be shown using different structure in the two of SBR types biochemical reaction zone It is intended to, the biochemical reaction zone 5 wherein shown in attached drawing 7 includes biological selecting area 35, aerobic area 29 and SBR aeration and sedimentations area 34 Deng main functional areas, sewage is emitted into depth after biological selecting area 35, aerobic area 29 and SBR aeration and sedimentations area 34 are handled successively Subsequent treatment is carried out in 6 between degree processing.Wherein, blast aeration area is its internal SBR aeration and sedimentations area 34, and air blast stirring area It can be then its internal aerobic area 29.
And the biochemical reaction zone 5 shown in attached drawing 8 includes being arranged at the aerobic zone 30 at middle part and is separately positioned on aerobic The grade of alternate agitation sedimentation basin 36 main functional areas at area both ends, sewage is successively through upstream alternate agitation sedimentation basin 36, aerobic zone 30 and 36 grade of downstream alternate agitation sedimentation basin processing heel row put to carrying out subsequent treatments between advanced treating 6.Wherein, blast aeration Aerobic zone 30 inside Qu Weiqi, and air blast stirring area then can be internally located at the alternate agitation sedimentation basin 36 at both ends for it.
Certainly, can be according to the sewage situation of actually located reason existing for the concrete form of biochemical reaction zone 5 in the present invention The various routines and modified biochemical wastewater treatment technique having are chosen, and arrange each major processing regions according to actual conditions, It is not limited to the specific example shown in attached drawing 4- attached drawings 8.In addition, according to functional areas used by specific biochemical reaction zone 5 The difference in domain, is being provided with odor treating device 13, top capping can be used close each functional area in biochemical reaction zone 5 Seal structure, and foul smell outlet is respectively arranged with to be connected with odor treating device 13.
In addition, referring to the drawings shown in 5 to 7, according to the difference of the concrete form of the biochemical reaction zone 5 of use, when with Corresponding anaerobic zone 32 or biological selecting area 35 are that the corresponding carry out of mechanical stirring device 34 machine can be provided with the region Tool stirs.
In addition, referring to the drawings shown in 9, to use the schematic diagram of AA/O type biochemical reaction plot structures, with reference to institute in attached drawing 5 Show structure:Its biochemical reaction zone 5 includes the main functional areas such as anaerobic zone 32, aerobic area 29, aerobic zone 30 and secondary settling tank 31. Correspondingly, can also further be provided with pneumatic type sedimentation basin central tube 37 in secondary settling tank 31, the sedimentation basin central tube 37 with First air blower 22 is connected, and provides air flow power by the first air blower 22, and the sedimentation basin central tube 37 is used for precipitation Sludge passes through excess sludge pipe 40 and 41 pumping of mud return line to Treatment of Sludge area or anaerobic zone 32 respectively;In aerobic zone 30 Pneumatic power reflux pump 38 is inside provided with, the pneumatic power reflux pump 38 is connected with the first air blower 22, and is provided by the first air blower 22 Air flow power, the pneumatic power reflux pump 38 are used to the nitrification liquid in aerobic zone 43 passing through 39 pumping of nitrification liquid return duct to simultaneous oxygen In area 29.
In addition, the present invention also provides a kind of control method of sewage-treating reactor, it uses one kind of the present invention Highly integrated a variety of modification sewage-treating reactors, and including following control process:
Start-up course:, should by the monitoring of online tank gage 27 when liquid level reaches the priming level L2 of setting in regulating reservoir 3 Start liquid level signal and send control main frame 24 to, control the first air blower 22 and the second air blower 23 to open by control main frame 24 It is dynamic;Control main frame 24 is being received after the startup liquid level signal that line tank gage 27 is sent after delay adjustments duration T1 at the same time Control sewage pump 18, precise filtering device 16 and chlorination equipment 17 start;
Stopping process:, should by the monitoring of online tank gage 27 when liquid level reaches the shutdown water level L1 of setting in regulating reservoir 3 Shut down liquid level signal and send control main frame 24 to, the first air blower 22, the second air blower 23, sewage are controlled by control main frame 24 Elevator pump 18, precise filtering device 16 and chlorination equipment 17 are shut down.
Certainly, be continuous operational process between equipment start-up course and stopping process, i.e., it is whole after the completion of start-up course A sewage-treating reactor will continuously be run:Sewage enters from water inlet end 1, and regulating reservoir 3 is discharged into after grid canal 2;Then by Sewage pump 18, which is promoted in biochemical reaction zone 5, carries out corresponding biochemical reaction processing, and is passing through hydrocyclone 19 When will be delivered to Treatment of Sludge area after the sludge separation in sewage and carry out subsequent treatment to sludge.And it is discharged into biochemical reaction zone 5 Interior sewage, then be further processed after processing finally after being delivered to after corresponding biochemical reaction 6 between advanced treating from going out Water end (W.E.) 28 is discharged.In this continuous operational process, corresponding control main frame 24, the first online DO instrument 25, the second online DO instrument 26, Line tank gage 27, the first air blower 22, the second air blower 23, sewage pump 18, precise filtering device 16 and chlorination equipment 17 Keep continuous duty.
More specifically, the present invention can use following specific control in continuous operational process:First air blower 22 is using change Frequency motor, and control main frame 24 is according to the monitor value of the first online DO instrument 25 and the first drum of bias PI1 controls of setting value The running frequency of 22 motor of wind turbine, with by controlling the blow rate required of the first air blower 22 to realize the tune to DO values in blast aeration area Section control;Second air blower 23 is controlled using power frequency intermittent duty, sets its single operation duration as T5, and control main frame 24 The run time interval of the second air blower 23 is controlled according to the detected value of the second online DO instrument 26 and the bias PI2 of setting value T4, with by controlling the operating condition of the second air blower 23 to realize the adjustment control to the DO values in air blast stirring area.It is in this way, logical The control of corresponding online DO instrument and combination to corresponding air blower is crossed, it can be achieved that in blast aeration area and air blast stirring area DO values carry out monitoring and adjustment control in real time, it is ensured that effective operation of sewage disposal.
By above-mentioned processing procedure, realize to the automatic monitoring of sewage-treating reactor, in order control;Starting at the same time Process by using delays time to control, transport by the idle running for avoiding sewage pump 18, precise filtering device 16 and chlorination equipment 17 etc. OK.
In addition, the control method of sewage-treating reactor of the present invention, further includes following control process:
Timing aeration process:During sewage-treating reactor is in shutdown status, often by corresponding setting duration After T2, the first air blower 22 is controlled to run autostop after setting duration T3 by control main frame 24.The purpose of the process is set, is Timing aeration process is realized by corresponding automatic monitoring, with this avoid because reactor is shut down for a long time and caused by microorganism it is big Amount is dead and system recovers the problems such as difficult.
The above is only the preferred embodiment of the present invention, its purpose, which is only that, explains the present invention, so as to can be more The good understanding present invention, still, these descriptions cannot be understood as being limitation of the present invention with any reason, particularly in difference Embodiment described in each feature can also mutually be combined, so as to form other more embodiments.For this For the technical staff in field, on the premise of essential characteristic of the present invention is not departed from, some improvements and modifications can also be made, this A little improvements and modifications should also be considered as protection scope of the present invention.

Claims (10)

  1. A kind of 1. highly integrated a variety of modification sewage-treating reactors, it is characterised in that:Along waste water processes, sewage disposal reaction Device is disposed with lower unit:Between grid canal (2), regulating reservoir (3), lift pump room (4), biochemical reaction zone (5), advanced treating (6) and Treatment of Sludge area, and between each unit accordingly it is co-walled be connected after form single overall structure.
  2. A kind of 2. highly integrated a variety of modification sewage-treating reactors as claimed in claim 1, it is characterised in that:Sewage disposal is anti- Device is answered to further include with lower unit:Ancillary equipment area (7), transmission-line control room (8) and night shift room (9);The Treatment of Sludge area Sludge drying pond (10) is arranged to, either Treatment of Sludge area is only arranged to excess sludge pond (11) or Treatment of Sludge area at the same time It is arranged to excess sludge pond (11) (12) between sludge dewatering.
  3. A kind of 3. highly integrated a variety of modification sewage-treating reactors as claimed in claim 2, it is characterised in that:Sewage disposal is anti- Answer device to further include odor treating device (13), desorption tube (15) is provided with odor treating device (13);The biochemical reaction Area (5) and regulating reservoir (3) are that top seals structure, are set respectively at the top of biochemical reaction zone (5) and regulating reservoir (3) Have a foul smell outlet, the odor treating device (13) by foul smell collecting pipe (14) respectively with biochemical reaction zone (5) and regulating reservoir (3) corresponding foul smell outlet;When being provided with excess sludge pond (11), excess sludge pond (11) seal knot for top Structure, is provided with foul smell outlet at the top of excess sludge pond (11), and the odor treating device (13) passes through foul smell collecting pipe (14) foul smell outlet corresponding with excess sludge pond (11);When (12) between being provided with sludge dewatering, between sludge dewatering (12) structure is sealed for top, is provided with foul smell outlet, the odor treating device at the top of (12) between sludge dewatering (13) by foul smell collecting pipe (14) between sludge dewatering (12) corresponding foul smell outlet;The desorption tube (15) is used for will Tail gas after odor treating device (13) deodorization processing is discharged into air.
  4. A kind of 4. highly integrated a variety of modification sewage-treating reactors as claimed in claim 3, it is characterised in that:The grid The main part of canal (2) and regulating reservoir (3) is embedded in underground;When being provided with excess sludge pond (11), excess sludge pond (11) Main part be embedded in underground;When being provided with sludge drying pond (10), sludge drying pond (10) are arranged at regulating reservoir (3) Above top plate;(6), lift pump room (4), ancillary equipment area (7), transmission-line control room between the biochemical reaction zone (5), advanced treating (8) and the main part of night shift room (9) is arranged at earth's surface.
  5. A kind of 5. highly integrated a variety of modification sewage-treating reactors as claimed in claim 1, it is characterised in that:In the depth Between processing precise filtering device (16) and chlorination equipment (17) are provided with (6);Sewage lifting is provided with lift pump room (4) Pump (18);The sewage pump (18) is used to extract the sewage in regulating reservoir (3) in biochemical reaction zone (5), and Hydrocyclone (19), the supernatant conveying of hydrocyclone (19) discharge are provided with the outlet pipeline of sewage pump (18) To biochemical reaction zone (5), the sludge of hydrocyclone (19) discharge is delivered to Treatment of Sludge area.
  6. A kind of 6. highly integrated a variety of modification sewage-treating reactors as claimed in claim 1, it is characterised in that:It is described biochemical anti- Area (5) is answered to use A/O types, AA/O types, SBR types or MBR types.
  7. A kind of 7. highly integrated a variety of modification sewage-treating reactors as described in claim 5 or 6, it is characterised in that:The dirt Water processing reactor further includes aeration agitation system and complex control system;The aeration agitation system includes blast aerator (20), air blast agitating device (21), the first air blower (22) and the second air blower (23), the blast aerator (20) and the One air blower (22) is connected, the air blast agitating device (21) and the second air blower (23);Set respectively in biochemical reaction zone (5) It is equipped with blast aeration area and air blast stirring area;The blast aerator (20) is provided with blast aeration area, in regulating reservoir (3) and in air blast stirring area it is respectively arranged with the air blast agitating device (21);When being provided with excess sludge pond (11), surplus Air blast agitating device (21) is provided with remaining sludge-tank (11);The complex control system include control main frame (24), first Line DO instrument (25), the second online DO instrument (26) and online tank gage (27);The first online DO instrument (25), the second online DO instrument (26) it is connected respectively with control main frame (24) signal with online tank gage (27);The first online DO instrument (25) is arranged at air blast In aeration zone, the second online DO instrument (26) is arranged in air blast stirring area, and the online tank gage (27) is arranged at adjusting In pond (3);The control main frame (24) is believed with the first air blower (22), the second air blower (23) and sewage pump (18) respectively Number it is connected and can controls the first air blower (22), the second air blower (23) and sewage pump (18) respectively.
  8. 8. the control method of sewage-treating reactor, dirty using a kind of highly integrated a variety of modifications described in the claims 7 Water processing reactor, and including following control process:
    Start-up course:, should by online tank gage (27) monitoring when the interior liquid level of regulating reservoir (3) reaches the priming level L2 of setting Start liquid level signal and send control main frame (24) to, the first air blower (22) and the second air blower are controlled by control main frame (24) (23) start;Control main frame (24) is delayed after the startup liquid level signal that online tank gage (27) sends is received and sets at the same time Periodically sewage pump (18), precise filtering device (16) and chlorination equipment (17) is controlled to start after long T1;
    Stopping process:, should by online tank gage (27) monitoring when the interior liquid level of regulating reservoir (3) reaches the shutdown water level L1 of setting Shut down liquid level signal and send control main frame (24) to, the first air blower (22), the second air blower are controlled by control main frame (24) (23), sewage pump (18), precise filtering device (16) and chlorination equipment (17) are shut down.
  9. 9. the control method of sewage-treating reactor as claimed in claim 8, it is characterised in that:Further include and controlled as follows Journey:
    Timing aeration process:During sewage-treating reactor is in shutdown status, often after setting duration T2 accordingly, By autostop after control main frame (24) the first air blower of control (22) operation setting duration T3.
  10. 10. the control method of sewage-treating reactor as claimed in claim 8, it is characterised in that:In start-up course and shutdown It is continuous operational process between process, using following control in continuous operational process:First air blower (22) uses variable-frequency electric Machine, and control main frame (24) is according to the monitor value of the first online DO instrument (25) and the first drum of bias PI1 controls of setting value The running frequency of wind turbine (22) motor, with by controlling the blow rate required of the first air blower (22) to realize to DO values in blast aeration area Adjustment control;Second air blower (23) is controlled using power frequency intermittent duty, sets its single operation duration as T5, and control Host (24) controls the fortune of the second air blower (23) according to the detected value of the second online DO instrument (26) and the bias PI2 of setting value Row time interval T4, with by controlling the operating condition of the second air blower (23) to realize the adjusting to the DO values in air blast stirring area Control.
CN201710980578.1A 2017-10-19 2017-10-19 A kind of highly integrated a variety of modification sewage-treating reactors and its control method Pending CN107986552A (en)

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