CN102745788A - Automatic integrated coagulation clarification and filtering device - Google Patents
Automatic integrated coagulation clarification and filtering device Download PDFInfo
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- CN102745788A CN102745788A CN2012102592599A CN201210259259A CN102745788A CN 102745788 A CN102745788 A CN 102745788A CN 2012102592599 A CN2012102592599 A CN 2012102592599A CN 201210259259 A CN201210259259 A CN 201210259259A CN 102745788 A CN102745788 A CN 102745788A
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- 238000005345 coagulation Methods 0.000 title claims abstract description 60
- 230000015271 coagulation Effects 0.000 title claims abstract description 60
- 238000001914 filtration Methods 0.000 title claims abstract description 57
- 238000005352 clarification Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000000463 material Substances 0.000 claims abstract description 55
- 239000010802 sludge Substances 0.000 claims abstract description 42
- 230000006835 compression Effects 0.000 claims abstract description 28
- 238000007906 compression Methods 0.000 claims abstract description 28
- 238000000746 purification Methods 0.000 claims abstract description 19
- 230000008719 thickening Effects 0.000 claims abstract description 9
- 239000002351 wastewater Substances 0.000 claims description 72
- 238000011010 flushing procedure Methods 0.000 claims description 49
- 238000005325 percolation Methods 0.000 claims description 32
- 230000001376 precipitating effect Effects 0.000 claims description 26
- 230000000694 effects Effects 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 16
- 239000000706 filtrate Substances 0.000 claims description 14
- 238000007689 inspection Methods 0.000 claims description 13
- 239000008187 granular material Substances 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 9
- 238000005189 flocculation Methods 0.000 claims description 7
- 230000016615 flocculation Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 7
- 239000012141 concentrate Substances 0.000 claims description 5
- 238000000280 densification Methods 0.000 claims description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
- 238000013461 design Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000011001 backwashing Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000701 coagulant Substances 0.000 description 4
- 238000013327 media filtration Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 238000007560 sedimentation technique Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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Abstract
The invention discloses an automatic integrated coagulation clarification and filtering device, which comprises a barrel (1), support legs (2), an end socket (3) and a conical sludge thickening bucket (15). The device is characterized in that a swirling coagulation reaction area (18), a high-compactness sludge contact filtering area (20), a clarification area (21), a floating filtering material filtering area (22), a clear water area (23) and a sludge compaction settling area (19) are arranged in the barrel (1), wherein the swirling coagulation reaction area (18) is positioned on the inner middle part of the barrel (1), and is communicated with an electric inlet valve (7); the sludge compression settling area (19) is positioned at the bottom of the barrel (1); the high-compactness sludge contact filtering area (20) is positioned between the swirling coagulation reaction area (18) and the sludge compression settling area (19); the clarification area (21) is positioned around the swirling coagulation reaction area (18); the floating filtering material filtering area (22) is positioned on the upper part of the clarification area (21); and the clear water area (23) is positioned on the upper part of the floating filtering material filtering area (22), and is connected with an electric outlet valve (8). The device is compact in structure and high in purification efficiency, and has the advantages of automatic running, convenience for maintenance and energy saving.
Description
Technical field
The present invention relates to a kind of waste disposal plant, especially a kind of integrated waste disposal plant of multiple WWT function, specifically a kind of automatic integrated form coagulation clarification filtration unit.
Background technology
The coagulation clarification of wastewater treatment for a long time mainly adopts dosing coagulating, swash plate (or inclined tube) deposition, quartz sand filtration technology with filtering, and respective design has coagulation agitating reaction pond, swash plate (or inclined tube) settling tank, intermediate pool, is promoted to the silica sand filter tank through pump again; This treatment technology technology chain length, floor space is big, and the purification of waste water time is long; Energy consumption is high, and the spoil disposal water ratio is high, and swash plate (or inclined tube) is prone to stop up; Treatment effect is unstable, and counter investment and working cost are high, and level of automation is low; To the deficiency of traditional technology, therefore design a kind of automatic coagulation clarification filtration unit.
Summary of the invention
The objective of the invention is to the low problem of existing waste disposal plant automatization level, it is high to design a kind of level of automation, the automatic integrated form coagulation clarification filtration unit of good sewage processing effect.
Technical scheme of the present invention is:
A kind of automatic integrated form coagulation clarification filtration unit; It comprises cylindrical shell 1, supporting leg 2, end socket 3 and taper mud thickening cone 15; Cylindrical shell 1 is bearing on the supporting leg 2; End socket 3 and taper mud thickening cone 15 are installed in the top and bottom of cylindrical shell 1 respectively; The inside that it is characterized in that cylindrical shell 1 is provided with cyclone coagulation reaction zone 18, high fine and close mud contact percolation district 20, settling section 21, suspended filter material filtrating area 22, clear water zone 23 and mud compression precipitating district 19, and described cyclone coagulation reaction zone 18 is positioned at the middle part of cylindrical shell 1 and is connected with electromotive intake valve 7, and mud compression precipitating district 19 is positioned at the foot of cylindrical shell 1; High fine and close mud contact percolation district 20 is between cyclone coagulation reaction zone 18 and mud compression precipitating district 19; Settling section 21 be positioned at cyclone coagulation reaction zone 18 around, suspended filter material filtrating area 22 is positioned at the top of settling section 21, clear water zone 23 is positioned at the top of suspended filter material filtrating area 22 and links to each other with water outlet motorized valve 8.
Described end socket 3 is provided with inspection manhole C6, back flushing water inlet motorized valve 9, micro-automatic exhaust steam valve 12; Cylindrical shell 1 is provided with inspection manhole A4, inspection manhole B5, water inlet motorized valve 7, pressure unit 16, stopple coupon 13, drip pan 14, and the bottom of taper mud thickening cone 15 is provided with spoil disposal motorized valve 11 and back flushing water discharge valve 10.
Cyclone coagulation reaction zone 18 in the described cylindrical shell 1 is provided with down eddy flow reaction tube 17; Waste water through pump be promoted to the static line mixer dosing of two-stage mix the back by electromotive intake valve 7 through inlet channel 24 along the tangential direction of eddy flow reaction tube 17 down water inlet flow velocity entering cyclone coagulation reaction zone 18 with 3～4m/s; Waste water continues to accomplish flocculation to swirling motion down in following eddy flow reaction tube 17 constantly become greatly flco and produce cf-; Flco constantly gets rid of the inwall of downward cyclone reaction tube 17 under the effect of cf-and self gravitation; The paramount fine and close mud contact percolation of the quick sinking of flco district 20 under following cyclonic action; Waste water gets into the bottom in high fine and close mud contact percolation district 20 simultaneously, accomplishes the primary purifying of waste water.
High fine and close mud contact percolation district 20 in the described cylindrical shell 1 is equipped with the taper reflector 25 that the inclination angle is 45 degree; The sludge concentration higher (SS reaches more than the 12000mg/L) in high fine and close mud contact percolation district 20 also forms the thick sludge blanket of 50～80cm; Sludge blanket makes waste water behind the sludge blanket filtration, purification, get into settling section 21 from going up down as contact medium, accomplishes the secondary purification of waste water.
Settling section 21 in the described cylindrical shell 1 is equipped with many circle butt concentric(al) circles cone-plates 28, and the inclination angle of every circle circular cone plate is 70 degree, 120 centimetres of distances between plates; Many circle butt concentric(al) circles cone-plates 28 reach down with cylindrical shell 1 inwall respectively by bracing frame 27, and eddy flow reaction tube 17 outer walls are connected; Many circle butt concentric(al) circles cone-plates 28 utilize lamina flow principle, can improve the processing efficiency of settling section, shorten the particles settling distance; Thereby shortened the clarification time of waste water; Overcome the generation of latch up phenomenon simultaneously, waste water gets into suspended filter material filtrating area 22 through the rapid subsidence of settling section, accomplishes three grades of purifications of waste water.
The bottom of the suspended filter material filtrating area 22 in the said cylindrical shell 1 is equipped with down supporting plate 29, and into water water cap A30 is installed on the following supporting plate 29, and asymmetric suspension filtrate 31 is installed in the filtrating area 22; The thickness of suspended filter material is 400～700 centimetres; The top of suspended filter material filtrating area 22 is equipped with supporting plate 33, and water outlet water cap B32 is installed on the last supporting plate 33, and waste water is 10～15m/h in the filtering velocity of suspended filter material filtrating area; Make increase collision and friction between the suspended filter material particle by waste water in the continuous motion of suspended filter material filtrating area 22; The tiny dirty grain that adheres to the filtering material particle surface is peeled off easily, and filtrate is difficult for stopping up and fouling, makes the filter material layer backwash cycle long; Waste water gets into clear water zone 23 through water outlet filter cap B after filtering layer filters; Exerting oneself of every water outlet filter cap B is 1T/h, and filter cap filter slit is 0.54mm, and the level Four of accomplishing waste water purifies.
In the clear water zone 23 in the said cylindrical shell 1 cruciform back flushing perforated tube 34 is installed, cruciform back flushing perforated tube 34 and back flushing water inlet motorized valve 9 are connected through pipeline, and clear water zone 23 water outlets are passed through pipeline and are connected with water outlet motorized valve 8.
The excess sludge in the high fine and close mud contact percolation district 20 in the described cylindrical shell 1 constantly sinks to 19 middle and upper parts, mud compression precipitating district and forms a turbidity screen; Sludge concentration is about 1～3%; Mud colony is constantly integrated under the effect of cohesion, is into shape sedimentation gradually, and 19 middle and lower part sludge concentrations are high in mud compression precipitating district; Under the effect of upper water pressure, mud granule gravity, cf-, cohesion and structural distortion; Pore water between mud granule constantly is extruded the interface, makes mud concentrate densification, and regularly discharges from taper sludge bucket (awl bucket inclination angle is 55 degree) bottom; Discharge concentration is 6～12% mud (deciding according to various mud granule character and density), and 19 bottoms, mud compression precipitating district link to each other with electronic mud valve 11 and the electronic water discharge valve 10 of back flushing through pipeline.
The present invention adopts automatic control operation; Waste water lift pump and the interlock of dosing volume pump; Automatically the water inlet of integrated form coagulation clarification filtration unit, water outlet, spoil disposal, back flushing water inlet, back flushing draining, pressure back flushing, exhaust are equipped with automatic valve control, make the device operation realize robotization control.
Beneficial effect of the present invention:
1, the present invention has adopted integrated and combination technique; The coagulating, spinning, sludge blanket contact percolation, gravity settling, suspended filter material of waste water filtered, the stage purification of mud compression precipitating accomplishes in same tank body, whole clarification times of waste water are 30～35 minutes.
2, the present invention has adopted cyclone coagulation and stripping technique; (the water inlet flow velocity is 3～4m/s) entering to waste water at a high speed through eddy flow reaction tube top tangential direction under the electromotive intake valve edge after the two-stage line mixer adds inorganic coagulant and organic coagulant aids respectively through the pump lifting; Waste water continues to accomplish flocculation to swirling motion down in following eddy flow reaction tube makes flco constantly become big and produces cf-; Flco constantly gets rid of the inwall to the cyclone reaction tube under the effect of cf-and self gravitation; The paramount fine and close mud contact percolation of the quick sinking of flco district under following cyclonic action, waste water gets into the bottom in high fine and close mud contact percolation district simultaneously, accomplishes the primary purifying of waste water.
3, the present invention has adopted high fine and close sludge blanket filtering technique; Waste water gets into the bottom in high fine and close mud contact percolation district from following eddy flow reaction tube bottom; The sludge concentration higher (SS reaches more than the 12000mg/L) in high fine and close mud contact percolation district also forms the thick sludge blanket of 50～80cm; Sludge blanket makes waste water behind the sludge blanket filtration, purification, get into settling section from going up down as contact medium, accomplishes the secondary purification of waste water.
4, the present invention has adopted many circles butt concentric(al) circles cone-plate to quicken sedimentation techniques, and at the many circles of settling section design butt concentric(al) circles cone-plate, the spacing of circular cone plate is 120mm; The inclination angle of circular cone plate is designed to 70 degree; Many circle butt concentric(al) circles cone-plates utilize lamina flow principle, can improve the processing efficiency of settling section, shorten the particles settling distance; Thereby shortened the clarification time of waste water; Overcome the generation of latch up phenomenon simultaneously, waste water gets into the suspended filter material filtrating area through the rapid subsidence of settling section, accomplishes three grades of purifications of waste water.
6, the present invention adopts asymmetric suspension media filtration technology; (exert oneself and be 1T/h through water inlet filter cap by every water inlet filter cap after settling section purifies for waste water; Filter cap filter slit is 0.54mm) get into the suspended filter material filtrating area, suspended filter material filtrating area filtrate is multistage inhomogeneous enhancement type EPS expanded particle, the particle diameter 0.8～1.6mm of joining; Thickness is 400～700 centimetres (requiring adjustment according to effluent quality), and the filtrate packing density is 100～120g/cm
3, voidage 0.4～0.5, specific surface area are 650～850m
2/ m
3, waste water is designed to 10～15m/h in the filtering velocity of suspended filter material filtrating area, makes increase collision and friction between the suspended filter material particle by waste water in the continuous motion of suspended filter material filtrating area; The tiny dirty grain that adheres to the filtering material particle surface is peeled off easily; Filtrate is difficult for stopping up and fouling, makes the filter material layer backwash cycle long, and (exert oneself and be 1T/h through water outlet filter cap by every water outlet filter cap after filtering layer filters for waste water; Filter cap filter slit is 0.54mm) get into clear water zone, the level Four of accomplishing waste water purifies.
7, the present invention adopts mud compression precipitating technology, is designed with taper mud compression precipitating district in automatic integrated form coagulation clarification filtration unit bottom, and awl bucket inclination angle is 55 degree; The excess sludge in high fine and close mud contact percolation district constantly sinks to middle and upper part, mud compression precipitating district and forms a turbidity screen; Sludge concentration is about 1～3%, and mud colony is constantly integrated under the effect of cohesion, is into shape sedimentation gradually; The middle and lower part sludge concentration is high in mud compression precipitating district; Under the effect of upper water pressure, mud granule gravity, cf-, cohesion and structural distortion, the pore water between mud granule constantly is extruded the interface, makes mud concentrate densification; And the regularly discharge from taper sludge bucket bottom, discharging sludge concentration is 6～12% (deciding according to various mud granule character and density).
8, the present invention adopts the automatic backwash technology of forcing; Suspended filter material back flushing to suspension suspended filter material filtrating area normally is set at 2～3 days automatic backwashs once; The automatic backwash time is 5～6 minutes, and when causing clarifying effect difference media filtration load to increase owing to reasons such as adding the drug dose variation, latch up phenomenon can appear in filtrate; Intake pressure can constantly rise; Therefore on inlet channel, be designed with pressure unit, when pressure unit shows that intake pressure reaches 0.35MPa and (when normal intake pressure is 0.25～0.3MPa), will force back flushing automatically.
9, the present invention adopts micro-automatic vent technology; On the top cover of automatic integrated form coagulation clarification filtration unit, be provided with micro-automatic exhaust steam valve; When automatic integrated form coagulation clarification filtration unit during in spoil disposal and back flushing; The device internal upper part will form certain gas-bearing formation, after spoil disposal and this part gas-bearing formation formation negative pressure of back flushing end back cause the operation of can't intaking, micro-automatic exhaust steam valve is installed; The gas-bearing formation that when the device water inlet, the device internal upper part is formed constantly drains into atmosphere, guarantees that device normally moves.
10, the present invention adopts automatic control running technology; Waste water lift pump and the interlock of dosing volume pump; Automatically the water inlet of integrated form coagulation clarification filtration unit, water outlet, spoil disposal, back flushing water inlet, back flushing draining, pressure back flushing, exhaust are equipped with automatic valve control, make the device operation realize robotization control.
11, processing efficiency of the present invention is high, and the purification of waste water time is 30～35 minutes, and delivery turbidity is 5～10NTU.
12, the present invention has omitted coagulation reaction tank, the flocculation tank of traditional technology, and integrated unitized design is adopted in clarification and filtration, and floor space is little, and the floor space of apparatus processes 150T/h waste water is merely 12 square metres.
13, energy consumption of the present invention is low; Operation and simple and convenient management; The device exterior design has the stopple coupon of high fine and close mud contact suspended filter material filtrating area, settling section, clear water zone; Can observe the decontamination effect improving in each stage of waste water at any time, on device settling section, suspended filter material filtrating area, end socket, be designed with inspection manhole, maintain easily.
Description of drawings
Fig. 1 is a contour structures synoptic diagram of the present invention.
Fig. 2 is an internal structure synoptic diagram of the present invention.
Among the figure, 1 is cylindrical shell, and 2 is supporting leg, and 3 is end socket, and 4 is the inspection manhole of suspended filter material filtrating area bottom; 5 is the inspection manhole of suspended filter material filtrating area, and 6 is the inspection manhole on the end socket, and 7 are the water inlet motorized valve, and 8 are the water outlet motorized valve, and 9 are back flushing water inlet motorized valve; 10 are back flushing draining motorized valve, and 11 is the spoil disposal motorized valve, and 12 is micro-automatic exhaust steam valve, and 13 is stopple coupon, and 14 is drip pan; 15 are the taper sludge bucket, and 16 is the pressure unit on the water inlet pipe, and 17 are following eddy flow reaction tube, and 18 is the cyclone coagulation reaction zone, and 19 is mud compression precipitating district; 20 is high fine and close mud contact percolation district, and 21 is settling section, and 22 are suspension suspended filter material filtrating area, and 23 is clear water zone, and 24 is water inlet pipe; 25 for the taper reflector, and 26 be the channel-section steel bracing frame, and 27 be bracing frame, and 28 be to enclose butt concentric(al) circles cone-plates more, 29 be under supporting plate; 30 are water inlet water cap, and 31 is the asymmetric suspension filtrate, and 32 are water outlet water cap, and 33 is last supporting plate, and 34 are the back flushing perforated tube.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Shown in Fig. 1-2.
A kind of automatic integrated form coagulation clarification filtration unit; Comprise cylindrical shell 1, supporting leg 2, end socket 3, taper mud thickening cone 15; Inspection manhole 4, inspection manhole 5 are installed on the cylindrical shell 1; Stopple coupon 13, drip pan 14, influent waste water motorized valve 7, pressure unit 16 are equipped with inspection manhole 6, electronic outlet valve 8, back flushing electromotive intake valve 9, automatic micro-vent valve 12 on the end socket 3; Electronic mud valve 10, the electronic water discharge valve 11 of recoil are installed in the bottom of taper mud thickening cone 15, as shown in Figure 1; Cylindrical shell 1 inside is provided with cyclone coagulation reaction zone 18, high fine and close mud contact percolation district 20, settling section 21, suspended filter material filtrating area 22, clear water zone 23 and mud compression precipitating district 19; Described cyclone coagulation reaction zone 18 is positioned at the middle part of cylindrical shell 1 and is connected with electromotive intake valve 7; Mud compression precipitating district 19 is positioned at the foot of cylindrical shell 1; High fine and close mud contact percolation district 20 is between cyclone coagulation reaction zone 18 and mud compression precipitating district 19; Settling section 21 be positioned at cyclone coagulation reaction zone 18 around; Suspended filter material filtrating area 22 is positioned at the top of settling section 21, and clear water zone 23 is positioned at the top of suspended filter material filtrating area 22 and links to each other with water outlet motorized valve 8, and is as shown in Figure 2.The cyclone coagulation reaction zone 18 of cylindrical shell 1 inner chamber is provided with down eddy flow reaction tube 17; Waste water at a high speed gets into cyclone coagulation reaction zone 18 through inlet channel 24 along the tangential direction of descending eddy flow reaction tube 17 by electromotive intake valve 7 after the static line mixer dosing of lift pump to two-stage mixes; Following eddy flow reaction tube 17 exits of cylindrical shell 1 middle part inner chamber adopt 4 channel-section steel bracing frames 26 to connect and be connected with cylindrical shell 1, and the high fine and close mud contact percolation district 20 of cylindrical shell 1 inner chamber is equipped with the taper reflector 25 that the inclination angle is 45 degree, and it is 70 degree that the settling section 21 of cylindrical shell 1 inner chamber is equipped with many circle butt concentric(al) circles cone-plates 28 inclination angles; 120 centimetres of distances between plates; Many circle butt concentric(al) circles cone-plates 28 by bracing frame 27 respectively with cylindrical shell 1 inwall and down eddy flow reaction tube 17 outer walls be connected, in the bottom of the suspended filter material filtrating area 22 of cylindrical shell 1 inner chamber supporting plate 29 down is installed, into water water cap A30 is installed on the following supporting plate 29; It is 400～700 centimetres that asymmetric suspension filtrate 31 thickness are installed in the suspended filter material filtrating area 22; The top of suspended filter material filtrating area 22 is equipped with supporting plate 33, and water outlet water cap B32 is installed on the last supporting plate 33, and cruciform back flushing perforated tube 34 is installed in the clear water zone 23 of cylindrical shell 1 inner chamber; Back flushing perforated tube 34 and back flushing water inlet motorized valve 9 is connected through pipeline; The water outlet of clear water zone 23 links to each other with water outlet motorized valve 8 through pipeline, and it is reasonable that the present invention has compact construction, makes waste water accomplish stage purification within a short period of time; The plant automation operation has the advantage of easy maintenance and efficient energy-saving.
Details are as follows:
As shown in Figure 2.
Cyclone coagulation reaction zone 18 in the described cylindrical shell 1 is provided with down eddy flow reaction tube 17; Waste water through pump be promoted to the static line mixer dosing of two-stage mix the back by electromotive intake valve 7 through inlet channel 24 along the tangential direction of eddy flow reaction tube 17 down water inlet flow velocity entering cyclone coagulation reaction zone 18 with 3～4m/s; Waste water continues to accomplish flocculation to swirling motion down in following eddy flow reaction tube 17 constantly become greatly flco and produce cf-; Flco constantly gets rid of the inwall of downward cyclone reaction tube 17 under the effect of cf-and self gravitation; The paramount fine and close mud contact percolation of the quick sinking of flco district 20 under following cyclonic action; Waste water gets into the bottom in high fine and close mud contact percolation district 20 simultaneously, accomplishes the primary purifying of waste water.
High fine and close mud contact percolation district 20 in the described cylindrical shell 1 is equipped with the taper reflector 25 that the inclination angle is 45 degree; The sludge concentration higher (SS reaches more than the 12000mg/L) in high fine and close mud contact percolation district 20 also forms the thick sludge blanket of 50～80cm; Sludge blanket makes waste water behind the sludge blanket filtration, purification, get into settling section 21 from going up down as contact medium, accomplishes the secondary purification of waste water.
Settling section 21 in the described cylindrical shell 1 is equipped with many circle butt concentric(al) circles cone-plates 28, and the inclination angle of every circle circular cone plate is 70 degree, 120 centimetres of distances between plates; Many circle butt concentric(al) circles cone-plates 28 reach down with cylindrical shell 1 inwall respectively by bracing frame 27, and eddy flow reaction tube 17 outer walls are connected; Many circle butt concentric(al) circles cone-plates 28 utilize lamina flow principle, can improve the processing efficiency of settling section, shorten the particles settling distance; Thereby shortened the clarification time of waste water; Overcome the generation of latch up phenomenon simultaneously, waste water gets into suspended filter material filtrating area 22 through the rapid subsidence of settling section, accomplishes three grades of purifications of waste water.
The bottom of the suspended filter material filtrating area 22 in the described cylindrical shell 1 is equipped with down supporting plate 29, and into water water cap A30 is installed on the following supporting plate 29, and asymmetric suspension filtrate 31 is installed in the filtrating area 22; It is 400～700 centimetres that suspended filter material has thickness; The top of suspended filter material filtrating area 22 is equipped with supporting plate 33, and water outlet water cap B32 is installed on the last supporting plate 33, and waste water is 10～15m/h in the filtering velocity of suspended filter material filtrating area; Make increase collision and friction between the suspended filter material particle by waste water in the continuous motion of suspended filter material filtrating area 22; The tiny dirty grain that adheres to the filtering material particle surface is peeled off easily, and filtrate is difficult for stopping up and fouling, makes the filter material layer backwash cycle long; Waste water gets into clear water zone 23 through water outlet filter cap B after filtering layer filters; Exerting oneself of every water outlet filter cap B is 1T/h, and filter cap filter slit is 0.54mm, and the level Four of accomplishing waste water purifies.
In the clear water zone 23 in the described cylindrical shell 1 cruciform back flushing perforated tube 34 is installed, cruciform back flushing perforated tube 34 and back flushing water inlet motorized valve 9 are connected through pipeline, and clear water zone 23 water outlets are passed through pipeline and are connected with water outlet motorized valve 8.
The excess sludge in the high fine and close mud contact percolation district 20 in the described cylindrical shell 1 constantly sinks to 19 middle and upper parts, mud compression precipitating district and forms a turbidity screen; Sludge concentration is about 1～3%; Mud colony is constantly integrated under the effect of cohesion, is into shape sedimentation gradually, and 19 middle and lower part sludge concentrations are high in mud compression precipitating district; Under the effect of upper water pressure, mud granule gravity, cf-, cohesion and structural distortion; Pore water between mud granule constantly is extruded the interface, makes mud concentrate densification, and regularly discharges from taper sludge bucket (awl bucket inclination angle is 55 degree) bottom; Discharge concentration is 6～12% mud (deciding according to various mud granule character and density), and 19 bottoms, mud compression precipitating district link to each other with electronic mud valve 11 and the electronic water discharge valve 10 of back flushing through pipeline.
The present invention adopts automatic control operation; Waste water lift pump and the interlock of dosing volume pump; Automatically the water inlet of integrated form coagulation clarification filtration unit, water outlet, spoil disposal, back flushing water inlet, back flushing draining, pressure back flushing, exhaust are equipped with automatic valve control, make the device operation realize robotization control.
The automatic treating processes of waste water of the present invention is:
During operation; Close back flushing water inlet motorized valve, back flushing draining motorized valve, the spoil disposal motorized valve of automatic integrated form coagulation clarification filtration unit; Open water inlet motorized valve, water outlet motorized valve; Start waste water lift pump and dosing volume pump; Waste water through pump promote (discharge pressure of pump be 0.25～0.3MPa) through one-level line mixer (dosing coagulant) and secondary line mixer (adding coagulant aids) mix the back with certain flow rate (velocity in pipes be controlled at 1～1.5m/s) through water inlet motorized valve 7 and pipeline 24 (velocity in pipes be controlled at 3～4m/s) along under top, eddy flow reaction tube 17 side tangential direction entering cyclone coagulation reaction zone 18; Waste water continues to accomplish flocculation to swirling motion down in following eddy flow reaction tube makes flco constantly become big and produces cf-, under the effect of cf-and self gravitation, accomplishes the primary separation of muddy water, the bottom in the waste water high fine and close mud contact percolation of inflow district 20 under eddy flow power effect down; Through upwards flowing into settling section 21 after the contact percolation of the fine and close sludge blanket of height; Accomplish rapid subsidence down in many circle butt concentric(al) circles cone-plates 28 and action of gravity and separate, waste water continues upward through supporting plate 29 and water inlet cap 30 gets into suspended filter material filtrating areas 22, gets into clear water zones 23 from water outlet motorized valve 8 discharges through supporting plate 33 and water outlet cap 32 through multistage after joining the filtration, purification of asymmetric suspension filtrate 31; The residue flocculation mud in high fine and close mud contact percolation district 20 constantly gets into mud compression precipitating district 19 and carries out compression precipitating under action of gravity; Concentrate back mud and regularly discharge from spoil disposal motorized valve 11, spoil disposal is looked into water SS concentration pitch time and is decided, and is generally 4 hours spoil disposals of continuous operation once; Each spoil disposal time is 1～1.5 minute; Device is intake as usual and is handled during spoil disposal, and the filtrate backwashing time of integrated form coagulation clarification filtration unit designs automatic backwash once by the integrated flow of operation in 2～3 days automatically, during the automatic backwash operation; To close down lifting water pump and dosing volume pump, water inlet motorized valve 7, water outlet motorized valve 8 (spoil disposal motorized valve 11 has been in closing condition) automatically; Automatically open the electronic water discharge valve of backwashing pump, back flushing 10, back flushing water intaking valve 9, backwashing pressure is 0.3MPa, and back washing strength is 0.5m
3/ m
2.min; One time backwashing time is 5～6 minutes, and when causing clarifying effect difference media filtration load to increase owing to reasons such as adding the drug dose variation, latch up phenomenon can appear in filtrate; Intake pressure can constantly rise; Therefore on inlet channel 24, be designed with pressure unit 16, when pressure unit 16 shows that intake pressure reaches 0.35MPa and (when normal intake pressure is 0.25～0.3MPa), will force back flushing automatically; Automatically force the working procedure of back flushing identical with normal automatic backwash; For preventing that back flushing and spoil disposal from making the tank body internal upper part form negative pressure and causing normal operation waste water can't get into a jar intravital phenomenon generation, on device end socket 3, be provided with micro-automatic exhaust steam valve 12, realize automatic vent.
The present invention is not only applicable to the filtering purifying treatment of coagulation clarification of various waste water, is applicable to that the coagulation clarification filtration, purification of high-turbidity water and low turbidity surface water is handled yet.
The present invention does not relate to all identical with the prior art prior art that maybe can adopt of part and realizes.
Claims (9)
1. automatic integrated form coagulation clarification filtration unit; It comprises cylindrical shell (1), supporting leg (2), end socket (3) and taper mud thickening cone (15); Cylindrical shell (1) is bearing on the supporting leg (2); End socket (3) and taper mud thickening cone (15) are installed in the top and bottom of cylindrical shell (1) respectively; The inside that it is characterized in that cylindrical shell (1) is provided with cyclone coagulation reaction zone (18), high fine and close mud contact percolation district (20), settling section (21), suspended filter material filtrating area (22), clear water zone (23) and mud compression precipitating district (19); Described cyclone coagulation reaction zone (18) is positioned at the middle part of cylindrical shell (1) and is connected with electromotive intake valve (7); Mud compression precipitating district (19) is positioned at the foot of cylindrical shell (1), and high fine and close mud contact percolation district (20) is positioned between cyclone coagulation reaction zone (18) and the mud compression precipitating district (19), settling section (21) be positioned at cyclone coagulation reaction zone (18) around; Suspended filter material filtrating area (22) is positioned at the top of settling section (21), and clear water zone (23) is positioned at the top of suspended filter material filtrating area (22) and links to each other with water outlet motorized valve (8).
2. automatic integrated form coagulation clarification filtration unit according to claim 1; It is characterized in that described end socket (3) is provided with inspection manhole C (6), back flushing water inlet motorized valve (9), micro-automatic exhaust steam valve (12); Cylindrical shell (1) is provided with inspection manhole A (4), inspection manhole B (5), water inlet motorized valve (7), pressure unit (16), stopple coupon (13), drip pan (14), and the bottom of taper mud thickening cone (15) is provided with spoil disposal motorized valve (11) and back flushing water discharge valve (10).
3. automatic integrated form coagulation clarification filtration unit according to claim 1; It is characterized in that the cyclone coagulation reaction zone (18) in the described cylindrical shell (1) is provided with down eddy flow reaction tube (17); Waste water through pump be promoted to the static line mixer dosing of two-stage mix the back by electromotive intake valve (7) through inlet channel (24) along the tangential direction of eddy flow reaction tube (17) down water inlet flow velocity entering cyclone coagulation reaction zone (18) with 3～4m/s; Waste water continues to accomplish flocculation at the following introversive swirling motion down of eddy flow reaction tube (17) constantly to be become greatly flco and produces cf-; Flco constantly gets rid of the inwall of downward cyclone reaction tube (17) under the effect of cf-and self gravitation; The quick sinking of flco paramount fine and close mud contact percolation district (20) under following cyclonic action; Waste water gets into the bottom in high fine and close mud contact percolation district (20) simultaneously, accomplishes the primary purifying of waste water.
4. automatic integrated form coagulation clarification filtration unit according to claim 1; It is characterized in that the high fine and close mud contact percolation district (20) in the described cylindrical shell (1) is equipped with the taper reflector (25) that the inclination angle is 45 degree; The mud in high fine and close mud contact percolation district (20) forms the thick sludge blanket of 50～80cm; Sludge blanket makes waste water behind the sludge blanket filtration, purification, get into settling section (21) from going up down as contact medium, accomplishes the secondary purification of waste water.
5. automatic integrated form coagulation clarification filtration unit according to claim 1; It is characterized in that the settling section (21) in the described cylindrical shell (1) is equipped with many circle butt concentric(al) circles cone-plates (28); The inclination angle of every circle circular cone plate is 70 degree, and 120 centimetres of distances between plates are enclosed butt concentric(al) circles cone-plate (28) more and are connected with cylindrical shell (1) inwall and following eddy flow reaction tube (17) outer wall respectively by bracing frame (27); Waste water gets into suspended filter material filtrating area (22) through the rapid subsidence of settling section, accomplishes three grades of purifications of waste water.
6. automatic integrated form coagulation clarification filtration unit according to claim 1; The bottom that it is characterized in that the suspended filter material filtrating area (22) in the said cylindrical shell (1) is equipped with down supporting plate (29), and into water water cap A (30) is installed on the following supporting plate (29), and asymmetric suspension filtrate (31) is installed in the filtrating area (22); It is 400～700 centimetres that suspended filter material has thickness; The top of suspended filter material filtrating area (22) is equipped with supporting plate (33), and water outlet water cap B (32) is installed on the last supporting plate (33), and waste water is 10～15m/h in the filtering velocity of suspended filter material filtrating area; Waste water gets into clear water zone (23) through water outlet filter cap B after filtering layer filters; Exerting oneself of every water outlet filter cap B is 1T/h, and filter cap filter slit is 0.54mm, and the level Four of accomplishing waste water purifies.
7. automatic integrated form coagulation clarification filtration unit according to claim 1; It is characterized in that in the clear water zone (23) in the said cylindrical shell (1) cruciform back flushing perforated tube (34) being installed; Cruciform back flushing perforated tube (34) is connected through pipeline with back flushing water inlet motorized valve (9), and clear water zone (23) water outlet is connected with water outlet motorized valve (8) through pipeline.
8. automatic integrated form coagulation clarification filtration unit according to claim 1; The excess sludge that it is characterized in that the high fine and close mud contact percolation district (20) in the described cylindrical shell (1) constantly sinks to middle and upper part, mud compression precipitating district (19) and forms a turbidity screen, and sludge concentration is about 1～3%, and mud colony is constantly integrated under the effect of cohesion; Be into shape sedimentation gradually; The middle and lower part sludge concentration is high in mud compression precipitating district (19), and under the effect of upper water pressure, mud granule gravity, cf-, cohesion and structural distortion, the pore water between mud granule constantly is extruded the interface; Make mud concentrate densification; And the regularly discharge from taper sludge bucket bottom, discharge concentration is 6～12% mud, bottom, mud compression precipitating district (19) links to each other with electronic mud valve (11) and the electronic water discharge valve of back flushing (10) through pipeline.
9. automatic integrated form coagulation clarification filtration unit according to claim 1; It is characterized in that the clear water zone (23) in the described cylindrical shell (1) links to each other with micro-automatic exhaust steam valve (12) through pipeline; When automatic integrated form coagulation clarification filtration unit spoil disposal and back flushing; The device internal upper part will form certain gas-bearing formation, after spoil disposal and this part gas-bearing formation formation negative pressure of back flushing end back cause the operation of can't intaking, micro-automatic exhaust steam valve (12) is installed; The gas-bearing formation that when the device water inlet, the device internal upper part is formed constantly drains into atmosphere, guarantees that device normally moves.
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| CN113041710A (en) * | 2021-03-12 | 2021-06-29 | 中国恩菲工程技术有限公司 | Continuous filtration system and method |
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Effective date of registration: 20211221 Address after: 210000 room 8416, 4th floor, Zhoudao Jiayuan neighborhood center, 86-1 Hongxing street, Jiangxinzhou, Jianye District, Nanjing, Jiangsu Province Patentee after: Guoneng langxinming Nanjing Environmental Protection Technology Co.,Ltd. Address before: Floor 4, No. 68, Nanxi Jiangdong Street, Jianye District, Nanjing, Jiangsu 210019 Patentee before: BEIJING LUCENCY ENVIRO TECH Co.,Ltd. NANJING BRANCH Patentee before: Hou Jinshan Patentee before: Zhao Jun |
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Address after: 210000 room 8416, 4th floor, complex building, No. 85 Wentai street, Jiangxinzhou, Jianye District, Nanjing, Jiangsu Province Patentee after: Guoneng (Nanjing) Water and Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: 210000 room 8416, 4th floor, Zhoudao Jiayuan neighborhood center, 86-1 Hongxing street, Jiangxinzhou, Jianye District, Nanjing, Jiangsu Province Patentee before: Guoneng langxinming Nanjing Environmental Protection Technology Co.,Ltd. Country or region before: China |