CN208055025U

CN208055025U - Across the biochemical sewage disposal system of the temperature difference

Info

Publication number: CN208055025U
Application number: CN201820342901.2U
Authority: CN
Inventors: 石亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-03
Filing date: 2018-03-03
Publication date: 2018-11-06
Anticipated expiration: 2028-03-03

Abstract

The utility model discloses one kind across the biochemical sewage disposal system of the temperature difference, belongs to the technical field of sewage of environmental protection, which uses the technology that biochemical process is combined with chemical oxidization method, annual overall operation is stablized, high treating effect under low temperature environment, structure include regulating reservoir, hydrolysis acidification pool, anaerobic device, preceding separator, chemical oxidation device, aerobic tank or preceding aerobic tank and rear aerobic tank, flocculation plant, rear separator and clear water reserviors；When environment temperature and water temperature are suitble to biochemical treatment, use biochemical process treated sewage, it is too low in environment and water temperature, activated sludge or biomembrane lose activity, treatment effect is deteriorated or when without treatment effect, it is handled using chemical oxidization method or biochemical process adds chemical oxidization method treated sewage, the water outlet for reaching device under low temperature reaches the treatment effect of environment protection emission or reuse standard.

Description

Across the biochemical sewage disposal system of the temperature difference

Technical field

The utility model is related to a kind of sewage disposal systems, belong to the technical field of sewage of environmental protection, especially a kind of Adaptive temperature variation across the biochemical sewage disposal system of the temperature difference.

Background technology

Biochemical process sewage disposal technology is the biochemical common processing method of sanitary sewage and industrial wastewater, mainly there is life Object embrane method and activated sludge process, by being polluted in the numerous removal water body with metabolism of the expansion of the microorganism among activated sludge and biomembrane Object makes water body purification.

Existing biochemical process there is also deficiency be：Processing capacity is poor under biochemical process low temperature environment：

The north is especially in three provinces in the northeast of China, and the Inner Mongol, the areas such as Xinjiang, temperature is for a long time in -20 DEG C to -30 in winter DEG C, even if sewage disposal device rarely reaches the temperature of normal operation if taking Insulation, part of contaminated water treatment plant usually adopts Take winter out of service, when late April or the first tenday period of a month in May, reopens operation or winter is aerated as usual, but because water temperature is too low, Microorganism can not grow, breeding, and the sludge in biochemistry pool loses activity, and water degradation is unable to reach the purpose for making water body purification.

Invention content

The utility model to solve the deficiencies in the prior art, provides one kind across the biochemical sewage disposal system of the temperature difference, the dress The technology combined with chemical oxidization method using biochemical process is set, annual overall operation is stablized, high treating effect under low temperature environment.

The utility model solve problem above technical solution be：Across the biochemical sewage disposal system of the temperature difference, structure packet Include regulating reservoir, hydrolysis acidification pool, anaerobic device, preceding separator, chemical oxidation device, aerobic tank or preceding aerobic tank and rear aerobic Pond, flocculation plant, rear separator and clear water reserviors；Wherein regulating reservoir is arranged in the front of system, and lattice are arranged in the front of regulating reservoir Grid, the top of front end are water inlet pipes, and the intermediate setting regulating reservoir blender of regulating reservoir or lower part are arranged aeration tube, after regulating reservoir The mouth of a river is brought out to connect with the water inlet of hydrolysis acidification pool or anaerobic device；The intermediate setting acidification blender of hydrolysis acidification pool or under Aeration tube is arranged in portion, and the rear end water outlet of hydrolysis acidification pool enters anaerobic device；The rear end of anaerobic device and preceding separator are good Oxygen pond or the connection of preceding aerobic tank, top or lower part are connect with the front end of anaerobic effluent pipe, and the front or rear portion of anaerobic effluent pipe are set Anaerobic effluent valve is set, the rear end of anaerobic effluent pipe is arranged on the top or lower part of the front end of aerobic tank or preceding aerobic tank；Preceding point The rear portion at the rear portion of anaerobic device or preceding aerobic tank is set from device, inlet valve is detached before the setting of front, middle part is quartz Sand filter or filter or sedimentation basin or membrane module, the water outlet of preceding separator enter chemical oxidation device；Chemical oxidation device By PH regulating reservoirs and oxidation medicine system or PH regulating reservoirs, dosing pond and oxidation medicine system or PH regulating reservoirs, dosing pond, peroxide Change hydrogen pond and oxidation medicine system composition, PH regulating reservoirs are arranged on rear side of preceding separator, and water inlet is connect with preceding separator, Water outlet is connect with dosing pond or aerobic tank or rear aerobic tank, one, the intermediate ponds the setting PH blender of PH regulating reservoirs, dosing pond One, setting dosing blender is set in the rear portion of PH regulating reservoirs, dosing pond, and water outlet connects aerobic tank or rear aerobic tank；Oxygen It includes the first dosing tank to change medicine system, the second dosing tank, third dosing tank, and each dosing tank is arranged metering pump one, and first Dosing tank is sour dosing tank, and metering pump outlet conduit connects PH regulating reservoirs, and the second dosing tank is hydrogen peroxide dosing tank, meter It is ferrous sulfate dosing tank, metering pump to measure water pump outlet pipe road connection dosing pond or aerobic tank or rear aerobic tank, third dosing tank Outlet conduit connects dosing pond or aerobic tank or rear aerobic tank；Hydrogen peroxide pond is arranged on rear side of preceding separator, hydrogen peroxide Generator is arranged in hydrogen peroxide pond, and the water inlet in hydrogen peroxide pond is connect with the water outlet of preceding separator, hydrogen peroxide Generator is equipped with electrode plate and gas tube, and electrode plate is divided into negative plates and anode plate, is arranged in hydrogen peroxide pond, in electricity Gas tube is arranged in the lower part of pole plate, and water outlet connects dosing pond or aerobic tank or rear aerobic tank；Aerobic tank is arranged in chemical oxidation Aeration tube is arranged in device rear portion, lower part, and aerobic tank blender, the down-set mud-collecting slot of rear side of lower part, mud-collecting slot is arranged in middle part The rear portion of high 200mm to 400mm, aerobic tank are connect with rear separator by outputted aerobic water valve or by the inlet valves that flocculates It is connect with flocculation plant；Preceding aerobic tank is arranged at the rear portion of anaerobic device, and preceding separator and chemical oxidation device are arranged preceding Between aerobic tank and rear aerobic tank, preceding aerobic tank lower part setting aeration tube or lower part are arranged aeration tube, the top of aeration tube to water Biofilm packing is set between face, and the rear end setting of outputted aerobic water pipe before the rear portion setting of preceding aerobic tank, preceding outputted aerobic water pipe exists Outputted aerobic water valve before the front of aerobic tank afterwards, the front of preceding outputted aerobic water pipe or rear portion setting, rear aerobic tank lower part setting expose Aerobic tank blender, the down-set mud-collecting slot of rear side of lower part, mud-collecting slot high 200mm to 400mm, sludge is arranged in tracheae, middle part Reflux pump is arranged in the middle part of mud-collecting slot, and sludge reflux pump water outlet connects one end of mud return line, mud return line setting point Pipe, is separately positioned on the side on the top of anaerobic device and regulating reservoir or hydrolysis acidification pool, is in charge of and a reflux is respectively set The rear portion of control valve, rear aerobic tank is connect with rear separator by outputted aerobic water valve or by inlet valve and the wadding of flocculating Solidifying device connection；Flocculation plant includes flocculation stirring pond and flocculation sedimentation tank, and the rear portion in aerobic tank or rear aerobic tank is arranged, the Four dosing tanks and the 5th dosing tank are arranged in the side in flocculation stirring pond, and metering pump one, the 4th dosing is arranged in each dosing tank Case is alkali dosing tank, and metering pump outlet conduit connects flocculation stirring pond, and the 5th dosing tank is flocculation aid dosing tank, metering pump Outlet conduit connects flocculation stirring pond, setting flocculation stirring machine one in flocculation stirring pond, the sludge hopper of flocculation sedimentation tank it is upper Portion's setting water service pipe is connect with flocculation stirring pond, and flocculation sedimentation tank lower part is up big and down small sludge hopper, and the lower part of sludge hopper is set Set a sludge pipe, the storage mud tank of sludge pipe and sludge treating system connects, and mud valve one is arranged on sludge pipe, middle part is Sloping plate deposition district, top are downflow weirs, and downflow weir water outlet enters rear separator；Separator is arranged after flocculation plant afterwards Portion connect for quartzy sand filter or filter or sedimentation basin or membrane module, the water outlet of rear separator with clear water reserviors；Clear water reserviors It is arranged at the rear portion of rear separator, chlorination equipment is arranged in clear water reserviors side, and chlorination equipment is chlorine dioxide generator or smelly Oxygen Generator or hypochlorite generator, product fluid or gas enter clear water reserviors by pipeline or ultraviolet ray disinfector is set It sets in clear water reserviors, clear water water outlet pump one to three is set in pond, and Graceful pump outlet is connect with clear water outlet pipe.

Membrane module as described above is plate type membrane assembly or hollow type membrane module or tubular membrane component.

Anaerobic device as described above is anaerobic digester or upflow anaerobic sludge blanket process or expanded granular sludge bed reactor Or anaerobic fluidized bed or anaerobic organism turntable or anaerobic biofilter.

Advantage is：The utility model is across the biochemical sewage disposal system of the temperature difference, and the system is using biochemical process and change The technology that oxidizing process combines is learned, when environment temperature and water temperature are suitble to biochemical treatment, using biochemical process treated sewage, in ring Border and water temperature are too low, and activated sludge or biomembrane lose activity, and treatment effect is deteriorated or when without treatment effect, uses chemical oxidation Method processing or biochemical process add chemical oxidization method treated sewage, and the water outlet for reaching device under low temperature reaches environment protection emission or reuse standard Treatment effect, annual overall operation stablizes, high treating effect under low temperature environment.

Description of the drawings

The utility model is described further across the biochemical sewage disposal system of the temperature difference in conjunction with the accompanying drawings and embodiments.

Fig. 1 is schematic diagram of the utility model across the vertical view of the biochemical sewage disposal system of the temperature difference, the anaerobic device in figure For anaerobic digester, an aerobic tank is set.

Fig. 2 is the schematic diagram of the A-A section views of Fig. 1.

Fig. 3 is the signal of the utility model vertical view of aerobic tank before and after the setting of the biochemical sewage disposal system of the temperature difference Figure.

Fig. 4 is the schematic diagram of prior art upflow anaerobic sludge blanket process.

1 in figure is water inlet pipe, and 2 be regulating reservoir, and 3 be anaerobic digester, and 4 be dosing pond, and 5 be PH regulating reservoirs, and 6 be sludge Return duct, 7 be aerobic tank, and 8 be flocculation stirring pond, and 9 flocculation sedimentation tanks, 10 be clear water reserviors, and 11 be preceding separation inlet valve, and 12 are Regulating reservoir blender, 13 be preceding separator, and 14 be anaerobic effluent pipe, and 15 be outputted aerobic water valve, and 16 be rear separator, 17 It is flocculation stirring machine, 18 be clear water outlet pipe, and 19 be clear water water outlet pump, and 20 be backflow controlled value, and 21 be the first dosing tank, 22 It is the second dosing tank, 23 be third dosing tank, and 24 be the 4th dosing tank, and 25 be the 5th dosing tank, and 26 be anaerobism blender, and 27 are Aerobic tank blender, 28 be sludge reflux pump, and 29 be grid, and 30 be preceding aerobic tank, and 31 be rear aerobic tank, and 35 be hydrogen peroxide Pond, 36 be dosing blender, and 37 be electrode plate, and 38 be gas tube, and 39 be anaerobic effluent valve, and 40 be exhaust pipe, and 41 be flocculation Inlet valve, 42 be aeration tube, and 43 be mud valve, and 44 be sludge pipe, and 45 be separating bucket, and 46 be pneumatic trough, and 47 be packing area, 48 be lower water-dispensing device, and 49 be circulating pump, and 51 be anaerobism water inlet pipe, and 52 be circulating water pipe, and 53 be hydrolysis acidification pool, and 54 be that acidification is stirred Mix machine, 55 be heat exchanger, and 56 be heat circulation pipe, and 57 be ultraviolet ray disinfector, and 58 be the ponds PH blender, and 59 be downflow weir, 60 Preceding outputted aerobic water valve, 61 be preceding outputted aerobic water pipe.

Specific implementation mode

According to the present invention will be described in detail below with reference to the accompanying drawings across the biochemical sewage disposal system of the temperature difference structure and feature：

The utility model solve problem above technical solution be：Across the biochemical sewage disposal system of the temperature difference, structure is such as Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4：Including regulating reservoir 2, hydrolysis acidification pool, anaerobic device, preceding separator 13, chemical oxygen makeup It sets, aerobic tank 7 or preceding aerobic tank 30 and rear aerobic tank 31, flocculation plant, rear separator 16 and clear water reserviors 10；Wherein regulating reservoir 2 are arranged in the front of system, and grid is arranged in the front of regulating reservoir, and the top of front end is water inlet pipe 1, and the intermediate setting of regulating reservoir is adjusted Save pond blender 12 or lower part and aeration tube 42 be set, the rear end water outlet of regulating reservoir 2 and hydrolysis acidification pool or anaerobic device into The mouth of a river connects；Aeration tube is arranged in the intermediate setting acidification blender 54 of hydrolysis acidification pool or lower part, is brought out after hydrolysis acidification pool The mouth of a river is connect with anaerobic device water inlet；The rear end of anaerobic device is connect with preceding separator 13 or aerobic tank 7 or preceding aerobic tank, Top or lower part are connect with the front end of anaerobic effluent pipe 14, and anaerobic effluent valve is arranged in the front of anaerobic effluent pipe 14 or rear portion 39, the rear end of anaerobic effluent pipe 14 is arranged on the top or lower part of the front end of aerobic tank 7 or preceding aerobic tank 30；Preceding separator 13 Rear portion at the rear portion of anaerobic device or preceding aerobic tank 30 is set, detaches inlet valve 11 before the setting of front, middle part is quartz sand Filter tank or filter or sedimentation basin or membrane module, the water outlet of preceding separator 13 enter chemical oxidation device；Chemical oxidation device By PH regulating reservoirs 5 and oxidation medicine system or PH regulating reservoirs 5, dosing pond 4 and oxidation medicine system or PH regulating reservoirs 5, dosing pond 4, hydrogen peroxide pond 35 and oxidation medicine system composition, the setting of PH regulating reservoirs 5 in the rear side of preceding separator 13, water inlet with preceding point It is connected from device 13, water outlet is connect with dosing pond 4 or aerobic tank 7 or rear aerobic tank 31, the intermediate ponds setting PH of PH regulating reservoirs 36 1, setting dosing blender, water outlet is arranged in the rear portion of PH regulating reservoirs 5, dosing pond 4 in one, blender, dosing pond 4 Connect aerobic tank 7 or rear aerobic tank 31；It includes the first dosing tank 21, the second dosing tank 22, third dosing tank to aoxidize medicine system 23, metering pump one is arranged in each dosing tank, and the first dosing tank 21 is sour dosing tank, and metering pump outlet conduit connects PH and adjusts Pond 5, the second dosing tank 22 are hydrogen peroxide dosing tanks, and metering pump outlet conduit connects dosing pond 4 or aerobic tank 7 or rear aerobic Pond 31, third dosing tank 23 are ferrous sulfate dosing tanks, and metering pump outlet conduit connects dosing pond 4 or aerobic tank 7 or rear good Oxygen pond 31；The setting of hydrogen peroxide pond 35 is arranged in 13 rear side of preceding separator, hydrogen peroxide generator in hydrogen peroxide pond 35, The water inlet in hydrogen peroxide pond 35 is connect with the water outlet of preceding separator 13, and hydrogen peroxide generator is equipped with electrode plate 37 and fills Tracheae 38, electrode plate 37 divide for negative plates and anode plate, are arranged in hydrogen peroxide pond, and in the lower part of electrode plate, setting is filled Tracheae 38, water outlet connect dosing pond 4 or aerobic tank 7 or rear aerobic tank；Aerobic tank 7 is arranged at chemical oxidation device rear portion, under Aeration tube is arranged in portion, and aerobic tank blender 27 is arranged in middle part, and the down-set mud-collecting slot of rear side of lower part, the high 200mm of mud-collecting slot is extremely The rear portion of 400mm, aerobic tank 7 connect with rear separator 16 by outputted aerobic water valve 15 or by flocculate inlet valve 41 with Flocculation plant connects；Preceding aerobic tank 30 is arranged at the rear portion of anaerobic device, and preceding separator 13 and the setting of chemical oxidation device exist Between preceding aerobic tank 30 and rear aerobic tank 31, aeration tube is arranged in 30 lower part of preceding aerobic tank or aeration tube is arranged in lower part, aeration tube Preceding outputted aerobic water pipe 61 is arranged to biofilm packing, the rear portion of preceding aerobic tank are arranged between the water surface in top, preceding outputted aerobic water pipe The outputted aerobic water valve 60 before the front of rear aerobic tank, the front of preceding outputted aerobic water pipe or rear portion setting is arranged in rear end, rear aerobic Aeration tube is arranged in pond lower part, and aerobic tank blender 27, the down-set mud-collecting slot of rear side of lower part, mud-collecting slot height is arranged in middle part 200mm to 400mm, sludge reflux pump 28 are arranged in the middle part of mud-collecting slot, and 28 water outlet of sludge reflux pump connects mud return line 6 One end, the setting of mud return line 6 are in charge of, and the one of the top of anaerobic device 3 and regulating reservoir 2 or hydrolysis acidification pool 53 is separately positioned on Side, is in charge of and a backflow controlled value 20 is respectively set, and the rear portion of rear aerobic tank 31 passes through outputted aerobic water valve 15 and rear mistake The connection of filter device is connect by the inlet valve 41 that flocculates with flocculation plant；Flocculation plant includes that flocculation stirring pond 8 and flocculation are heavy Shallow lake pond 9, is arranged the rear portion in aerobic tank 7 or rear aerobic tank 31, and the 4th dosing tank 24 and the setting of the 5th dosing tank 25 are stirred in flocculation The side in pond is mixed, metering pump one is arranged in each dosing tank, and the 4th dosing tank is alkali dosing tank, the connection of metering pump outlet conduit Flocculation stirring pond, the 5th dosing tank are flocculation aid dosing tanks, and metering pump outlet conduit connects flocculation stirring pond, flocculation stirring pond Flocculation stirring machine 17 1 is set in 8, and the top setting water service pipe of the sludge hopper of flocculation sedimentation tank connect with flocculation stirring pond, wads a quilt with cotton Solidifying 9 lower part of sedimentation basin is up big and down small sludge hopper, and a sludge pipe, sludge pipe and Treatment of Sludge system is arranged in the lower part of sludge hopper The storage mud tank of system connects, and mud valve 43 1 is arranged on sludge pipe 44, and middle part is sloping plate deposition district, and top is downflow weir, overflows It flows weir water outlet and enters rear separator 16；Separator 16 is arranged at the rear portion of flocculation plant afterwards, for quartzy sand filter or filtering The water outlet of device or sedimentation basin or membrane module, rear separator 16 is connect with clear water reserviors 10；The setting of clear water reserviors 10 is filled in rear separation Set 16 rear portion, 10 side of clear water reserviors is arranged chlorination equipment, chlorination equipment be chlorine dioxide generator or ozone generator or Hypochlorite generator, product fluid or gas enter clear water reserviors by pipeline or ultraviolet ray disinfector is arranged in clear water reserviors It is interior, clear water water outlet pump 19 1 to three is set in pond, and 19 water outlet of clear water water outlet pump is connect with clear water outlet pipe 18.

Anaerobic device as described above is anaerobic digester 3 or upflow anaerobic sludge blanket process or expanded granular sludge bed reactor Or anaerobic fluidized bed or anaerobic organism turntable or anaerobic biofilter.

Wherein most commonly seen is anaerobic digester and upflow anaerobic sludge blanket process

It is relatively low that anaerobic digester is usually used in COD value, and the preferable sewage quality of biochemical uses, such as sanitary sewage, using detesting Anaerobism blender or the aeration tube for playing stirring action are set in the anaerobic digester pond of oxygen activity sludge, given birth to using anaerobism Setting has been used for the aeration tube of stirring action in the anaerobic digester pond of object embrane method, and aeration tube is to being arranged anaerobic organism between the water surface Water inlet is arranged in the front end of film filler, pond body, and water outlet is arranged in the rear end of pond body.

Upflow anaerobic sludge blanket process, as shown in Figure 4：Its structure includes vertical groove body, separating bucket 45, pneumatic trough 46, exhaust Pipe 40, packing area 47, lower water-dispensing device 48, circulating pump 49, anaerobic effluent pipe 14, circulating water pipe 52；The bottom lock of vertical groove body, Lower water-dispensing device setting is reaction zone thereon in vertical groove body lower part, and the top of reaction zone is arranged packing area, in the top of packing area Between be three phase separator, three phase separator includes separating bucket 45, pneumatic trough 46 and downflow weir, the week of the inside top of vertical groove body It is pneumatic trough to enclose, and the top of pneumatic trough connects exhaust pipe, the biogas generated during anaerobic reaction by the collection of pneumatic trough, and It is discharged or is recycled by gas collecting tube, downflow weir is set along the inside of pneumatic trough, one end of anaerobic effluent pipe is connect with downflow weir, separately The top of the leading portion in aerobic tank or preceding aerobic tank is arranged in one end, or enters preceding separator by preceding separation inlet valve, follows One end of ring water pipe 52 is arranged on the top or lower part of packing area, and the other end is connect with the water inlet of heat exchanger 55, heat exchange Device water outlet is connect by heat circulation pipe 56 with the water inlet of circulating pump, and the water outlet of circulating pump connects lower water distributor by pipeline 48, lower water distributor 48 is connect by pipeline with anaerobism water inlet pipe 51, realizes that sewage is detested in up-flow by the operation of circulating pump 49 Up-flow circular flow in oxygen Sludge Bed is connect with heat exchanger 55 by heat circulation pipe 56, makes up-flow by heat exchanger Anaerobic mud bed internal temperature reaches the optimal reaction temperature between 35 DEG C to 85 DEG C.

According to the present invention will be described in detail below with reference to the accompanying drawings across the biochemical sewage disposal system of the temperature difference principle and ran Journey：

Embodiment one

The application of sanitary sewage disposal：

The utility model is across the biochemical sewage disposal system of the temperature difference, such as Fig. 1, shown in Fig. 3：Sewage is entered by water inlet pipe 1 Across the biochemical sewage disposal system of the temperature difference, treated, and clear water is stored in clear water reserviors 10, and 10 liquid level of clear water reserviors is in high liquid level When, start clear water water outlet pump 19 and the water of clear water reserviors 10 is discharged；

Sewage by water inlet pipe enter the utility model across the biochemical sewage disposal system of the temperature difference regulating reservoir 2, by lattice After grid 29, the stirring by the blender in regulating reservoir or aeration agitation, sewage are mixed with sewage and sludge original in regulating reservoir It closes, keeps water quality uniform, be easy to the processing of follow-up anaerobism, mixed sewage passes through the water flowing between regulating reservoir 2 and anaerobic device Mouth or downflow weir, into anaerobic device, anaerobic device uses anaerobic digester, passes through anaerobism blender 26 in anaerobic device Stirring, mix with anaerobic bacteria flora with the anaerobic sludge of anaerobic device, by the expansion of anaerobic bacteria flora it is numerous be metabolized, removal sewage in Organic matter makes the COD value in sewage be minimized, and when temperature is at 15 DEG C or more, anaerobic effluent is entered by anaerobic effluent pipe 14 Aerobic tank 7, by the expansion of the aerobic flora in aerobic tank 7 it is numerous with metabolism, remove sewage in organic matter, make the COD in sewage Value is minimized, and by the processing of anaerobic and aerobic flora, the organic matter in water has largely been removed, and aerobic tank 7 goes out Water enters rear separator 16, the filtering by rear separator 16 or precipitation by outputted aerobic water valve 15, makes mud-water separation, Enter clear water reserviors 10 after the standard water discharge of separator 16 afterwards, stores or pass through Graceful after disinfecting in clear water reserviors Water pump 19 and clear water outlet pipe 18 are discharged；

At 15 DEG C or less, environment temperature and inflow temperature simultaneously decline temperature, and Biochemical Treatment is decreased obviously or nothing At this moment effect stops the aeration of aerobic tank 7, the water of aerobic tank 7 is discharged, and activated sludge is back to regulating reservoir 2 by reflux pump With anaerobic device 3 or be discharged into the storage mud tank of sludge treating system, anaerobic effluent valve 39 and aerobic flowing water Valve 15 are closed, The preceding separation inlet valve of preceding separator 13 is opened, and anaerobic effluent enters preceding separator 13, sludge reflux after mud-water separation To anaerobic device, the sewage after separation enters the PH regulating reservoirs 5 of chemical oxidation device, in PH regulating reservoirs 5, passes through the first dosing The acid medicines such as hydrochloric acid or sulfuric acid are added in case 21, so that the pH value of water is controlled between 3 to 5, water later enters dosing pond 4 or good Oxygen pond 7 adds ferrous sulfate and hydrogen peroxide by the second dosing tank and third dosing tank in dosing pond 4 or aerobic tank 7, or Start hydrogen peroxide generator and generate hydrogen peroxide, starts the ponds PH blender 58 and be stirred, start dosing blender 36 and carry out Stirring starts aerobic tank blender 27 and is stirred, and water is made to carry out Fenton's reaction in aerobic tank 7, and the water after Fenton's reaction passes through The inlet valve 41 that flocculates enters flocculation plant, and lye is added by the 4th dosing tank 24 in flocculation plant, adjusts the pH value of water To 8 to 9, flocculation aid is added by the 5th dosing tank 25, enters flocculation sedimentation tank, muddy water after stirring in flocculation stirring pond Water after separation enters rear separator 16 by downflow weir, be filtered or precipitate in rear separator 16 or UF membrane after Water enter clear water reserviors 10；

In the case where anaerobic device carries out heat treatment, temperature can also carry out whithin a period of time for anaerobic device water outlet At this moment Aerobic Process for Treatment may be used short aerobic plus chemical oxidation treatment technique and handle sewage, i.e., front and back good using setting Oxygen pond, when temperature is suitble to biochemical treatment, outputted aerobic water valve before opening, outputted aerobic water pipe enters before the water of aerobic tank passes through before making Aerobic tank afterwards, preceding aerobic tank and rear aerobic tank are carried out at the same time aerobic reaction, outputted aerobic water valve before when low temperature closes, before opening point From inlet valve, water and sludge after emptying in aerobic tank, anaerobic device water outlet enter preceding aerobic tank 30, in preceding aerobic tank into Row aerobic reaction, the water outlet of preceding aerobic tank 30 enter the preceding separator 13 being arranged among front and back aerobic tank, enter chemistry later Oxidation unit carries out Fenton's reaction in rear aerobic tank 31, enters flocculation plant and rear separator 16 later, finally enters clear Pond 10, stores after disinfecting in clear water reserviors or passes through clear water water outlet pump 19 and clear water outlet pipe 18 is discharged；

Temperature increases, when being suitble to biochemical treatment, the flocculation inlet valve 41 of separation inlet valve and flocculation plant before closing, Open 39 or preceding outputted aerobic water valve 60 of anaerobic effluent valve and aerobic flowing water Valve 15, outputted aerobic water by rear separator at Enter clear water reserviors, sludge reflux to aerobic tank 7 or preceding aerobic tank 30 and rear aerobic tank 31 after reason, start aeration, carries out anaerobism and add Aerobic process processing.

In the application of Industrial Wastewater Treatment, the utility model is in entire technique across the biochemical sewage disposal system of the temperature difference A workshop section, according to the difference of water quality, and difference that water outlet requires, the leading portion of water inlet need to pre-process water, make Water quality meets the requirement of biochemical processing, and the general COD of industrial wastewater is more much higher than sanitary sewage, and biodegradability is relatively lived Sewage is poor, and effluent quality needs to increase such as nanofiltration, reverse osmosis, EDI in water outlet back segment typically up to less than reuse or discharge standard Etc. systems.

Embodiment two

Garbage leachate wastewater processing application：

Leading portion adds leachate collection pool, and the COD of waste leachate content in soot is high, generally 10000mg/L extremely Between 30000mg/L, leachate collection pool is stored in by pipeline collection, the utility model is across the biochemical sewage disposal system of the temperature difference The anaerobic device of system uses anaerobic digester 3 or upflow anaerobic sludge blanket process, in order to make upflow anaerobic sludge blanket process reach more preferable Treatment effect, its leading portion be arranged hydrolysis acidification pool 53, to sewage carry out acidification, garbage leachate wastewater is a kind of high The sewage of COD bio-refractories, the COD after biochemical process processing in general water, between 800mg/L, reach not in 500mg/L To the sewage drainage standard or reuse standard of national regulation, needed when the temperature difference biochemical sewage disposal system using the utility model Nanofiltration is added in the back segment of clear water reserviors, reverse osmosis, EDI devices further remove COD, ammonia nitrogen and the salts substances in water removal, Make water outlet qualified discharge or reuse.

Embodiment three

Polyester production waste water processing application：

Polyester production waste water COD contents are high, and generally in 20000mg/L between 80000mg/L, biodegradability is poor, with life Sewage mixed processing living, can be improved the biodegradability of its water quality, reduce adding for nutriment in operational process, leading portion is added poly- Ester produces wastewater collection pond, Domestic sewage collecting pond, and the utility model is arranged across the biochemical sewage disposal system of the temperature difference in stage casing, Anaerobic device uses upflow anaerobic sludge blanket process, and hydrolysis acidification pool 53 is arranged before it, general water after biochemical process processing In COD in 200mg/L to sewage drainage standard or reuse standard that national regulation between 300mg/L, is not achieved, use this reality The back segment in clear water reserviors is needed to add nanofiltration when the temperature difference biochemical sewage disposal system with novel, reverse osmosis unit, further COD, ammonia nitrogen and the salts substances in water removal are removed, water outlet qualified discharge or reuse are made.

Example IV

Coal chemical industrial waste water processing application：

Coal chemical industrial waste water COD contents are high, and generally in 20000mg/L between 50000mg/L, water is big, and coloration is high, water body Middle oil-containing and to the unfavorable harmful substance of microbe survival, biodegradability is poor, and leading portion adds coal chemical industrial waste water collecting pit, oil removal Pond, for the utility model across the biochemical sewage disposal system setting of the temperature difference in stage casing, anaerobic device uses anaerobic digester or up-flow Formula is anaerobic mud bed, and hydrolysis acidification pool is arranged before it, the COD after biochemical process processing in general water 300mg/L extremely Between 800mg/L, the sewage drainage standard or reuse standard of national regulation is not achieved, it is biochemical across the temperature difference using the utility model Need the back segment in clear water reserviors that ozone generator or decoloration system, nanofiltration, reverse osmosis unit, into one are set when sewage disposal system Step removes pigment, COD, ammonia nitrogen and the salts substances in water removal, makes water outlet qualified discharge or reuse.

Embodiment five

Treatment of dyeing wastewater application：

Dyeing waste water is obstructed according to its manufacturing enterprise's production technology and equipment, and COD content spans are very big, generally exist For 800mg/L between 20000mg/L, biodegradability is poor, and fibrous matter is more, and coloration is high and complicated；

Leading portion adds dyeing waste water collecting pit, coarse rack, fine fack, and influence of the fibrous matter to sewage disposal system is compared Greatly, the blocking of pipeline and pump, the especially blocking to the winding of hollow-fibre membrane or tubular membrane membrane tube are easily caused, is often resulted in Unrepairable damages, and directly contributes scrapping for relevant device, by the setting of thickness grid, can effectively remove fibrous matter, For the utility model across the biochemical sewage disposal system setting of the temperature difference in stage casing, anaerobic device uses anaerobic digester 3 or up-flow It is anaerobic mud bed, and hydrolysis acidification pool is set before it, the COD after biochemical process processing in general water 150mg/L extremely Between 300mg/L, coloration is higher, and the sewage drainage standard or reuse standard of national regulation is not achieved, using the utility model across The back segment setting ozone generator in clear water reserviors is needed further to go the pollution in water removal when the biochemical sewage disposal system of the temperature difference Decolorising agent dosing system is added in object and decoloration, and nanofiltration is arranged thereafter, and reverse osmosis unit further removes COD, the ammonia nitrogen in water removal And salts substances, make water outlet qualified discharge or reuse.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change The scope of protection of the utility model is also should be regarded as into retouching.

Claims

1. it is the improvement to the sewage disposal system of biochemical processing, mainly by aerobic across the biochemical sewage disposal system of the temperature difference Pond is formed with anaerobic pond；It is characterized in that, its structure includes regulating reservoir, and hydrolysis acidification pool, anaerobic device, preceding separator, change Learn oxidation unit, aerobic tank or preceding aerobic tank and rear aerobic tank, flocculation plant, rear separator and clear water reserviors；Wherein regulating reservoir It is arranged in the front of system, grid is arranged in the front of regulating reservoir, and the top of front end is water inlet pipe, and the intermediate setting of regulating reservoir is adjusted Aeration tube is arranged in pond blender or lower part, and rear end water outlet and the water inlet of hydrolysis acidification pool or anaerobic device of regulating reservoir connect It connects；Aeration tube is arranged in the intermediate setting acidification blender of hydrolysis acidification pool or lower part, and the rear end water outlet of hydrolysis acidification pool, which enters, to be detested Oxygen device；The rear end of anaerobic device is connect with preceding separator or aerobic tank or preceding aerobic tank, top or lower part and anaerobic effluent The front end of pipe connects, and anaerobic effluent valve is arranged in the front of anaerobic effluent pipe or rear portion, and the rear end of anaerobic effluent pipe is arranged good The top or lower part of oxygen pond or the front end of preceding aerobic tank；Preceding separator is arranged behind the rear portion of anaerobic device or preceding aerobic tank Portion, detaches inlet valve before the setting of front, middle part is quartzy sand filter or filter or sedimentation basin or membrane module, preceding separator Water outlet enter chemical oxidation device；Chemical oxidation device is by PH regulating reservoirs and oxidation medicine system or PH regulating reservoirs, dosing pond With oxidation medicine system or PH regulating reservoirs, dosing pond, hydrogen peroxide pond and oxidation medicine system composition, PH regulating reservoirs are arranged preceding On rear side of separator, water inlet is connect with preceding separator, and water outlet is connect with dosing pond or aerobic tank or rear aerobic tank, PH tune One, the intermediate ponds the setting PH blender in pond is saved, dosing pond is arranged in the rear portion of PH regulating reservoirs, dosing pond setting dosing and stirs One, machine, water outlet connect aerobic tank or rear aerobic tank；It includes the first dosing tank, the second dosing tank, third to aoxidize medicine system Metering pump one is arranged in dosing tank, each dosing tank, and the first dosing tank is sour dosing tank, and metering pump outlet conduit connects PH tune Pond is saved, the second dosing tank is hydrogen peroxide dosing tank, and metering pump outlet conduit connects dosing pond or aerobic tank or rear aerobic tank, Third dosing tank is ferrous sulfate dosing tank, and metering pump outlet conduit connects dosing pond or aerobic tank or rear aerobic tank；Peroxide Change hydrogen pond to be arranged on rear side of preceding separator, hydrogen peroxide generator is arranged in hydrogen peroxide pond, the water inlet in hydrogen peroxide pond Mouth is connect with the water outlet of preceding separator, and hydrogen peroxide generator is equipped with electrode plate and gas tube, and electrode plate is divided into cathode pole Plate and anode plate are arranged in hydrogen peroxide pond, gas tube are arranged in the lower part of electrode plate, water outlet connects dosing pond or good Oxygen pond or rear aerobic tank；At chemical oxidation device rear portion, aeration tube is arranged in lower part for aerobic tank setting, and middle part is arranged aerobic tank and stirs Machine, the down-set mud-collecting slot of rear side of lower part, the rear portion of mud-collecting slot high 200mm to 400mm, aerobic tank pass through outputted aerobic water valve It connect with rear separator or is connect with flocculation plant by the inlet valve that flocculates；Preceding aerobic tank is arranged after anaerobic device Portion, preceding separator and chemical oxidation device are arranged between preceding aerobic tank and rear aerobic tank, preceding aerobic tank lower part setting aeration Pipe or lower part are arranged aeration tube, and the top of aeration tube is to being arranged biofilm packing between the water surface, before the rear portion setting of preceding aerobic tank The rear end of outputted aerobic water pipe, preceding outputted aerobic water pipe is arranged in the front of rear aerobic tank, and the front or rear portion of preceding outputted aerobic water pipe are set Outputted aerobic water valve before setting, rear aerobic tank lower part are arranged aeration tube, and middle part is arranged aerobic tank blender, and the rear side of lower part is to dividing into Mud-collecting slot, mud-collecting slot high 200mm to 400mm are set, sludge reflux pump is arranged in the middle part of mud-collecting slot, the connection of sludge reflux pump water outlet One end of mud return line, mud return line setting are in charge of, and anaerobic device and regulating reservoir or hydrolysis acidification pool are separately positioned on The side on top is in charge of and a backflow controlled value is respectively set, and the rear portion of rear aerobic tank is by outputted aerobic water valve with after Separator is connected or is connect with flocculation plant by the inlet valve that flocculates；Flocculation plant includes flocculation stirring pond and flocculation sediment The rear portion in aerobic tank or rear aerobic tank is arranged in pond, and the 4th dosing tank and the 5th dosing tank are arranged in the side in flocculation stirring pond, Metering pump one is arranged in each dosing tank, and the 4th dosing tank is alkali dosing tank, and metering pump outlet conduit connects flocculation stirring pond, 5th dosing tank is flocculation aid dosing tank, and metering pump outlet conduit connects flocculation stirring pond, flocculation is arranged in flocculation stirring pond The top setting water service pipe of one, blender, the sludge hopper of flocculation sedimentation tank is connect with flocculation stirring pond, flocculation sedimentation tank lower part A sludge pipe, the storage mud tank company of sludge pipe and sludge treating system is arranged in lower part for up big and down small sludge hopper, sludge hopper It connects, mud valve one is set on sludge pipe, middle part is sloping plate deposition district, and top is downflow weir, and downflow weir water outlet divides after entering From device；Separator is arranged at the rear portion of flocculation plant afterwards, for quartzy sand filter or filter or sedimentation basin or membrane module, after The water outlet of separator is connect with clear water reserviors；Clear water reserviors are arranged in the rear portion of rear separator, the setting disinfection of clear water reserviors side Device, chlorination equipment are chlorine dioxide generator or ozone generator or hypochlorite generator, and product fluid or gas are logical Piping enters clear water reserviors or ultraviolet ray disinfector is arranged in clear water reserviors, clear water water outlet pump one to three is arranged in pond, clearly Water water outlet pump water outlet is connect with clear water outlet pipe.

2. according to claim 1 across the biochemical sewage disposal system of the temperature difference, it is characterised in that：The membrane module is Plate type membrane assembly or hollow type membrane module or tubular membrane component.

3. according to claim 1 across the biochemical sewage disposal system of the temperature difference, it is characterised in that：The anaerobic device is Anaerobic digester or upflow anaerobic sludge blanket process or expanded granular sludge bed reactor or anaerobic fluidized bed or anaerobic organism turntable or Anaerobic biofilter.