CN202962116U - Integrated water purifying device - Google Patents

Integrated water purifying device Download PDF

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Publication number
CN202962116U
CN202962116U CN 201220692614 CN201220692614U CN202962116U CN 202962116 U CN202962116 U CN 202962116U CN 201220692614 CN201220692614 CN 201220692614 CN 201220692614 U CN201220692614 U CN 201220692614U CN 202962116 U CN202962116 U CN 202962116U
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water
filter
layer
pipe
water purifying
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周振民
王学超
孔庆东
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Heze Sanlei Plastic Co. Ltd.
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North China University of Water Resources and Electric Power
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Abstract

The utility model relates to an integrated water purifying device. The device comprises a flocculation basin, an inclined-plate settling tank, and a non-overflow double-layer filtering material filter which are connected in series in sequence, wherein the filter consists of a filtering material layer, a bearing layer, a water distribution and gas distribution assembly and a water collection and distribution canal, and the water collection and distribution canal is longitudinally arranged in the middle of the filter; and the water collection and distribution canal internally comprises a collecting pipe array horizontally arranged and a vertical pipe array vertically arranged, the upper ends of vertical pipes are communicated with collecting pipes in the collecting pipe array, and the lower ends of the vertical pipes are communicated with the water collection and distribution canal, drain holes are arranged in the bottom of the collecting pipes, vent holes and scouring holes are arranged in the middle and at the top of the collecting pipes in sequence, and air inlet holes are arranged in the lower middle parts of the vertical pipes. The integrated water purifying device can solve the problems that the double-layer filtering material filter is easy for a filter head to plug, a filtering material can not be scoured cleanly, mud balls are not accumulated, the filtering material is lost, the manufacturing cost is high, the maintenance is complicated and the like; the integrated water purifying device is short in construction period, earth-saving and low in manufacturing cost, and capable of meeting water supply demands of rural townships, industrial and mining enterprises further away from cities, and scenic spots.

Description

Integral water purifying device
Technical field
The utility model relates to the water treatment technology field, is specifically related to a kind of integral water purifying device.
Background technology
[0002] characteristics of the present risk of drinking water pollution of China are that contaminated wide, local pollution is more serious.Therefore, strategically can be from the drinking water depollution technology of two different levels development China: the one, development be suitable for China water factory, be easy to apply economical except little pollution technology, start with from some key link of existing conventional handling technology of water supply, make it to possess the depollution function; The 2nd, development advanced processes technology focuses on the source water at local heavily contaminated water source is processed or is used for the higher situation of water quality requirement.The advanced processes technology is namely to adopt some unconventional technological means, as measures such as high-level oxidation technology, membrane technologies, organic pollutants is strengthened removal.Result of study shows, start with from some key link, might realize strengthening cost-effectively the handling technology of water supply system, can in the situation that do not change existing processing technological flow, do not increase large affiliated facility, improve cost-effectively drinking water quality like this.
Water purifier is to use modern water purification technology the purification of water quality process organically to be combined in the equipment of completing Water treatment in same body, and its function is equivalent to a small-sized water treatment plant take the surface water as the water source.But conventional water purifier only becomes this technique simmer down to one the equipment of suitability for industrialized production, thereby its treatment process is reliable.As a kind of conventional equipment, it has greatly shortened the construction period of water factory, has saved the soil, has reduced cost, satisfied villages and towns in rural areas, stood, from the city away from the water supply needs of industrial and mining enterprises, scenic spot.
Although existing water purifier has the advantage of self,, still there is certain disadvantage, be mainly manifested in filtrate and easily harden, the filter filter screen easily stops up, and flocculating effect is poor, and a little less than the ability to ward off risks, the water ability to bear that raw water quality is changed greatly is little, and backwash is frequent etc.Improving the purifier capacity of outlet water, extend the water outlet cycle, improve impact resistance, solve filter and stop up, improve flocculating effect, further reduce investment and energy consumption, make it to shine new life, is the important topic that water-purifying process must solve.The bottom board system in filter tank, flocculation system, settling system are also the importances of water purification technology research.
Summary of the invention
The technical problems to be solved in the utility model is to provide the integral water purifying device that a kind of purifying water effect is good, investment is low, energy consumption is low.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
Design a kind of integral water purifying device, the flocculation basin, inclined-plate clarifying basin, the non-overflow double-bed filter that comprise series connection successively, it is characterized in that, described non-overflow double-bed filter comprises filter material layer, supporting layer, water and air distributing assembly (also can be referred to as the bottom board system assembly), collection distributing channel from top to bottom successively; Described collection distributing channel is vertically arranged along the middle part, filter tank; Described water and air distributing assembly comprises horizontally disposed collector pipe pipe row (namely managing array) and vertically disposed vertical tube pipe row, and the filter plate collector pipe of corresponding connected set water pipe Guan Liezhong is respectively passed in the upper end of respectively managing of vertical tube Guan Liezhong, its lower end passes into described collection distributing channel, described collector pipe bottom is provided with two row's osculums, its top and middle part are disposed with steam vent and wash away pore, in described vertical tube row each pipe in, the bottom is provided with the small air inlet hole of some; On 15~20cm place pool wall, the muddy water drain valve is being installed above described filter material layer.
Described filter material layer comprises the haydite layer of thick 0.3~0.5m and the quartz sand layer of thick 40~50cm, and the haydite particle diameter is 1~2mm, and proportion is 1.4~1.6g/cm 3, quartz sand particle size is 0.71~1.2mm, proportion is 2.60~2.70g/cm 3Described supporting layer comprises the large gravel bed of the thick 20~30cm that is made of particle diameter 8~12mm gravel and the little gravel layer of thick 8~12cm of being made of particle diameter 3~5mm gravel, and separates with the screen cloth of 1~3mm between the two.
Described collection distributing channel area accounts for 15~25% of whole filter tank base areas; And by every 0.5~1.0m 2The filter tank base areas is laid a vertical tube.
Described collector pipe bottom is 15~25mm with filter tank base plate spacing.
Described collector pipe cross section is arch door shape, and its wide 80~120mm is highly 120~160mm, and each collector pipe center distance is 200~250mm; The drainpipe eyelet gross area on described collector pipe and the ratio 0.88::80 of the filter tank gross area~120; Described osculum diameter 10~15mm, vertical two rows are arranged in parallel, the vertical eyelet spacing of each osculum 120~180mm, level interval 50~60mm.
The described gas cell distribution of washing away is in the collector pipe both sides, its diameter 3~4mm; Described steam vent diameter 1~2mm, the eyelet spacing is 120~180mm.
Be provided with the eddy flow grid in described flocculation basin.
Described sedimentation basin is narrow space inclined plate settling basin.
The utlity model has actively useful effect:
1. this system and device water and air distributing simultaneously, technology is reliable, cost is low;
2. the problems such as the double-bed filter filter easily stops up, the filtrate punching does not wash clean, deposition ball, filtrate loss, cost is high, maintenance is complicated have been solved;
3. change water backwash rate and the backwash drainage pattern of double-bed filter routine, adopted low level lateral row backwashing wastewater technology, realized the high strength water backwashing, solved the problem that in the filtering layer, residual a large amount of bubbles, resistance increase; Improved the cleanliness factor that filtrate rinses, and filtrate runs off hardly, solved the difficult problem during double-layer filter material is used, apply for double-bed filter technical guarantee is provided;
4. this device is efficient, practical, simple to operate, cost is low;
5. the effective integrated purifier that is developed as the basis take the volution theory of In The Coagulation Dynamics, sedimentation theory, filtration theory, can shorten the waterworks construction cycle, save the soil, reduce cost, can satisfy villages and towns in rural areas, the industrial and mining enterprises from the city away from, the water supply needs of scenic spot.
Description of drawings
The cross-sectional view of the integrated purifier of Fig. 1;
The planar structure schematic diagram of the integrated purifier of Fig. 2;
The vertical section structure schematic diagram in filter tank in the integrated purifier of Fig. 3;
The cross section structure schematic diagram in filter tank in the integrated purifier of Fig. 4;
Fig. 5 is semi-circular drainpipe profile;
Fig. 6 is that vertical tube lists intention;
The operation process chart of the integrated purifier of Fig. 7.
in figure, 1 is flocculation basin, 2 is inclined-plate clarifying basin, 3 is the non-overflow double-bed filter, 4 is vertical tube, 5 is collector pipe, 6 is discharge outlet, 7 are the backwash water hole, 8 are the backwash pore, 9 is the flocculation basin mud discharging mouth, 10 is water dispensing board, 11 is the sludge from sedimentation tank mouth, 12 is the backwashing water drain valve, 13 is the muddy water drain valve, 14 is the haydite layer, 15 is quartz sand layer, 16 is supporting layer, 17 is air cushion layer, 18 for washing away pore, 19 is steam vent, 20 is air cushion layer, 21 is backwashing water, 22 is osculum, 23 are the collection distributing channel, 24 is small air inlet hole, 25 is overflow weir, 26 is the flushing out air import, 27 is outlet valve, 28 is rhone, 29 is qi-emitting hole.
The specific embodiment
Further set forth the utility model below in conjunction with specific embodiment.In following embodiment, related system architecture if no special instructions, is conventional system architecture; Related concrete grammar step is the conventional method step if no special instructions.
1 one kinds of integral water purifiers of embodiment (are pressed 12.5m 3The water yield of/h designs, and test flow is 12.5~15m 3/ h), referring to Fig. 1, Fig. 2, comprising flocculation basin 1, inclined-plate clarifying basin 2, the non-overflow double-bed filter 3 of series connection successively, described non-overflow double-bed filter comprises filter material layer, supporting layer 16, water and air distributing assembly, collection distributing channel 23 from top to bottom successively; Described collection distributing channel 23 is vertically arranged along the middle part, filter tank; Described water and air distributing assembly comprises horizontally disposed collector pipe 5 pipe row and vertically disposed vertical tube 4 pipe row, and the filter plate collector pipe 5 in corresponding connected set water pipe row is respectively passed in the upper end of respectively managing in vertical tube row, its lower end passes into described collection distributing channel 23, described collector pipe 5 bottoms are provided with two row's osculums 22, its top and middle part are disposed with steam vent 19 and wash away pore 18, in each pipe of vertical tube Guan Liezhong, the bottom is provided with the small air inlet hole 24 of some; On 15~20cm place pool wall, muddy water drain valve 13 is being installed above described filter material layer.Below the chief component structural design of integrated purifier:
(1) non-overflow double-bed filter: consider the situations such as equipment installation and transportation and floor space, equipment volume is as far as possible little, and device height is controlled in 3.10m.At first determine the size in filter tank.The rate of filtration is 8m/h, the total surface area A in filter tank,
A=Q/V=12.5/8=1.56m 2
In formula: Q~design discharge; V~design filtering velocity;
The flat shape in filter tank is rectangle, and long (L) wide (B) presses the 4:1 design, if: B=0.65m, L=2.60m.
After determining device length, determine the width of flocculation basin and sedimentation basin, and then definite water purifier appearance and size.The total depth in filter tank should comprise bottom collecting system height, supporting layer thickness, thickness of filter bed, operating depth and protection height, and each layer height is specially supporting layer 0.35m, filtering layer 0.85m, operating depth 1.2m, bottom collecting system height is 0.5m, protection height 0.2m, the dark H=3.1m in pond; Build with armored concrete in the filter tank, and also available steel plate is built (output hour), and the filter tank of this test application is steel plate structure; Filter material layer, supporting layer 16 and water and air distributing system are arranged in the pond, water inlet pipe, distributing channel, outlet pipe, backwash tracheae, backwash water pipe are arranged, pipeline and the annexes (referring to Fig. 3) such as flushing water discharge valve outside the pond.
This routine filter tank structure and conventional rapid filter are basic identical, and the difference part is water and air distributing assembly (bottom board system) and drainage pattern.The utility model base plate is the bottom board system (it is constructed referring to Fig. 4,5,6) that horizontal, vertical distribute water and air pipe forms, and the water distribution resistance is little.Bottom board system comprises: employing stainless steel large aperture, base plate middle part vertical tube pipe row, and each manages the flat large aperture heavy wall PE material collector pipe that arranges of upper accepting water, gas distribution water distribution aperture 2.5~13mm, therefore difficult the obstruction, sturdy and durable.During backwash, form up and down two uniform air cushion layers at base plate, thereby guarantee that its distribute water and air is even, the not mixed layer of filtrate, backwash effect easily reaches optimum state; The base plate bottom is canal type collection distributing channel 23, and muddy water drain valve 13 is arranged on the filtrate on aspect 15~20cm place pool wall, is controlled by motor-driven valve, and backwashing wastewater is from the disposable discharge of Sidewise board-turning valve.
The filter tank design parameter: 1. filtering velocity is 8m/h, usually is not more than 10m/h; 2. thickness of filter bed: filtrate total thickness 0.85m, the thick 400mm of haydite layer 14, particle diameter 1.0~2.0mm, the thick 450mm of quartz sand layer 15, particle diameter 0.8~1.2mm; 3. water head loss by filtration 2.0m; 4. backwash unit air consumption 5.0m 3/ m 25. combined water and air backwash is adopted in backwash, and step is: gas punching section, q a=16.67L (m 2.s), t=3min; The air-water mixture section, q a=16.67L (m 2.s), q w=3.45L/ (m 2.s), t=3min; Water punching section, q w=15.83L/ (m 2.s), t=1.0min; Open the draining of backwash draining valve after shutting down 1min, then water punching (q w=15.83L/ (m 2.s), t=1.0min), draining after static 30s, backwashing time is 8min approximately.
The water and air distributing system: the uniformity of the quality of filter tank running quality and gas, water backwashing water inlet, air inlet has direct relation.Vertical, horizontal tubular type distribute water and air system is comprised of collector pipe pipe row, vertical tube pipe row two parts, each vertical tube is made by stainless-steel pipe, the top of pipe is provided with air admission hole (hole φ 13.5mm), collection distributing channel 23 is stretched in each vertical tube lower end, filter plate is passed on top and the level set water pipe joins, the collector pipe bottom is provided with two row's osculums, and middle part and top are for washing away pore and steam vent; Intake method, air is sent into collection distributing channel 23 with pipeline, sends into transverse drain by vertical tube; When supplying gas, need only air pressure greater than hydrostatic pressure, air just converges under filter plate and progressive additive forms air cushion layer; When the water surface is down to small air inlet hole on vertical tube gradually, air begins to enter through aperture the collector pipe of level, at level set water pipe internal upper part, air pressure is greater than hydrostatic pressure, air accumulation forms second air cushion layer, air enters supporting layer, filtering layer successively through washing away pore, steam vent, if when the leaked-in air amount equates with the tolerance that flows away through pore, and the stable air cushion layer of formation just water body stops descending.The effect of first air cushion layer is to guarantee that the air mass flow that enters in vertical tube pipe row equates; The effect of the second air cushion layer is to guarantee that the air mass flow that gas distribution pipe (level set water pipe pipe row) enters supporting layer equates, distribution of gas is even; The rear water of filter is evenly collected in the effect in level set water pipe bottom discharge hole during filtration, enter braiding channel through vertical tube, uniform distribution backwashing water during backwash; Level set water pipe bottom is 20mm with filter tank base plate spacing.
The ratio 0.88% of the above-mentioned level set water pipe eyelet gross area and the filter tank gross area; Collector pipe aperture flow velocity 5~6m/s, osculum diameter 13mm, vertical two rows are arranged in parallel, the vertical eyelet spacing of osculum 150mm, level interval 54mm.The collector pipe cross section is arch door shape, and wide 100mm is highly 150mm, and the collector pipe center distance is 230mm; Vertical tube diameter 15mm, inlet velocity 5m/s washes away pore aperture flow velocity 10m/s.Wash away gas cell distribution in the collector pipe both sides, wash away hole diameter 3.5mm; Steam vent diameter 1.5mm, the eyelet spacing is 150mm.Integrate the distributing channel height as 800mm, the air cushion layer thickness that forms during flushing is 100~150mm.
The backwash drainage pattern in filter tank: adopt the lateral drainage technology, to solve the filtrate losing issue, reduce simultaneously the backwash water yield, increase income and economize on spending.Lateral drainage, muddy water drain valve 13 are arranged on approximately 15~20cm place, filtrate top, at first open 50% when draining, then open 100%.Drainage flashboard is in closed condition when backwash, guarantee that filtrate does not run off under the high speed backwash, and the bubble that is attached on filtrate all can be taken away, and the filtrate expansion rate is large, rinses totally, and the backwashing wastewater amount can reduce to minimum degree.Valve plate can divide one-board and double-plate according to pond body size, and each veneer length generally is not more than 3.0m, and hole width is 10~15cm approximately, and water discharge time is controlled in 1.5min.
(2) flocculation basin: flocculation basin adopts the eddy flow grid, namely increases waffle slab on the basis of perforation rotational flow flocculation tank, to reach the desired wadding stream mode of abundant flocculation, energy loss is fully used.The setting of flocculation basin basic parameter: determine that treating capacity is 12.5m 3/ h; Flocculation time is 10min; Flocculation basin is long is 2.4m;
Design discharge is Q=12.5m 3/ h=0.0035m 3/ s, flocculation time is 10min, the effective volume that gets flocculation basin is: V=0.0035 * 10 * 60=2.1m 3If mean depth h '=3.0m, the area that gets the pond is:
, the long L=2.4m in pond, the wide B=A/L=0.7/2.4=0.29m in pond gets 0.30m;
If every lattice are square, the length of side adopts 0.3m, and therefore every lattice area is 0.09m 2, must total number of divisions be thus: , desirable 7; Actual flocculation time is:
Flocculation basin and the easily deposition of sedimentation basin bottom, in time spoil disposal.The sludge from sedimentation tank pipe adopts perforated pipe spoil disposal, perforated pipe DN100mm; Perforated pipe eyelet spacing 100mm, eyelet are arranged side by side downwards and the perpendicular bisector angle of cut at 45 °; Pipe range is designed to 235cm, and mud valve is Hand-operated butterfly valve.Flocculation basin 1-6 lattice muddy water adopts fast-open type ball valve (φ 25mm) to discharge.
Swash plate adopts the thick organic plastics of 1mm to make, considers to get 54 in the long certain situation in thickness of slab pond, and the every long 1m of plate, wide 0.6m, totally 55, being embedded in the thick PE plastics of 3mm becomes integral body.
(3) inclined-plate clarifying basin: sedimentation basin bottom installation perforated plate, evenly enter in sedimentation basin to guarantee the flocculation basin water outlet, at the uniform velocity rise, improve deposition efficiency.Swash plate is poly (methyl methacrylate) plate, and thickness is 1mm, and Xie Ban Pour angle is 60 oIf long (L) 2.4m of inclined-plate clarifying basin, in plate, the rate of climb adopts ν 0=3mm/s, flow=0.0035m 3/ s, clear water zone upflow velocity ν is: ν=ν 0Sin θ=3 * 0.866=2.60mm/s=0.0026m/s, clear water zone area (A),
Sedimentation basin wide (B): B=A/L=1.35/2.4=0.56m gets 0.6m; The swash plate spacing is d=30mm, and the settling height of particle is L=d/cos θ=0.03/cos60 °=0.06m; The alumen ustum sinking speed is got V 0=2m/h(0.55mm/s), Granula Subsidence Time: t=L/V 0=0.06/2=0.03h; Sedimentation time is 5.56min in swash plate, the clear water zone height 1m on swash plate top, and waste water district, the base plate bottom depth of water gets 0.834m.Level interval x=d=0.06m between swash plate, swash plate piece number:
(4) main accessory and installation
1. water pump and electrical header: select 2 of intake pumps, as the intake pump of water purifier, the water that is about to the aeration water tank pumps into flocculation basin, and a centrifugal pump of horizontal axis, flow are 12.5m 3/ h, pressure head are 5m hydraulic pressure; One is 2m 3The shallow water pump of/h, pressure head are 10m hydraulic pressure.Backwashing pump is used for the backwash in filter tank, is centrifugal pump of horizontal axis, and flow is 89m 3/ h, pressure head are 10m hydraulic pressure.Electrical header: being arranged on the top of tube settler, is mainly for opening the backwashing water drain valve, for multiple spot is controlled automatically.The water lift aeration pump: be used for entering in the aeration water tank by aeration head after the water extraction liter with the water kiln, flow is 15m 3/ h, pressure head are the shallow water pump of 10m hydraulic pressure, and aeration head adopts fountain, apart from water surface 1.7m.
2. valve: except the backwashing water drain valve, other valve is all Hand-operated butterfly valve, and backwash water valve DN100 is arranged, outlet valve DN65, recoil air valve DN50, sedimentation basin and flocculation basin muddy water drain valve DN100, check-valves DN65, the outlet valve DN65 of aeration water tank etc.The valve of backwashing water drain valve, long 1.1m, wide 0.15m, thick 2cm, the long 1m of middle opening, wide 0.1m is screwed on the dividing plate between filter tank and sedimentation basin, uses rubber seal.
3. control system adopts liquid level and positioning control, fully automatic operation, the water level in aeration water tank and filter tank adopts Full-automatic liquid level controller, aeration high water tank control range is 0.5m, the filter tank is 10cm, the open amount of backwashing water drain valve is controlled by electrical header, controls by two point locations, and open amount is respectively 30% and 60%.
The power switch of water pump and electrical header and liquid level gauge all concentrates in an electric appliance control box, is started by hand push button, and electric appliance control box has electric leakage and automatic overload protection.
4. sedimentation basin swash plate and discharge pipeline swash plate adopt organic translucent plastic sheet manufacturing of thick 1mm, connect with the thick plastic plate of 3cm, are fixed on casing the galvanized pipe manufacturing of φ 100 of perforated pipe discharge pipeline with angle steel.
5. tank material adopts the ordinary carbon steel plate to be welded; The thick 8mm of bottom surface steel plate, the 2m height above 6mm steel plate that adopts in side adopts the 4mm steel plate more than 2 meters, gain in strength with three road reinforcements.
6. the preservative treatment cabinet wall with epoxy resin brushing three times, has been brushed a priming paint and two times grey enamel paint outside casing.
7. the distribute water and air pipe adopts the manufacturing of 340L stainless steel, and collector pipe adopts the manufacturing of PE engineering plastics, and the welding situation has all been carried out the air-tightness detection.
8. the filtrate supporting layer adopts particle diameter 8~12mm gravel, thick 25cm; Particle diameter 3~5mm gravel, thick 10cm separates with the screen cloth of 2mm between the two.The thick 45cm of quartz sand, particle diameter are 0.71~1.2mm, and proportion is 2.65g/cm 3, the thick 0.4m of upper strata haydite, particle diameter are 1~2mm, proportion is 1.5g/cm 3
When water head site water quality changes, for example organic matter increases or microbial contamination is arranged, and can process source water by the method that changes filter (as activated carbon), and the filter tank of the utility model design allows not change the structure in filter tank, only change the combination of filtrate, and reach stricter Effluent criteria.
(5) water inlet system calculation of head losses: suppose that the sloping plate deposition pool water level is 10m, the filter tank water inlet system loss of flood peak; Water level in the filter tank: 10-0.01 1.-0.05 2.=9.94m,
μ=0.628, b=2.4, Q=15m 3/ h, h=0.01m.
(6) loss of flood peak during filter: when filter is in clean conditions, the inner every calculation of head losses in filter tank is as follows,
A. high on the weir: h=10mm;
B. filter: (when filtering velocity is 9.6m/h), haydite layer: thick 40cm △ P=110mm; Quartz sand layer: thick 45cm △ P=280mm;
C. cobble supporting layer: thick 35cm △ P=27mm;
D. base plate drainage system, △ P=700mm;
E. outlet pipe: △ P=248mm;
When filtrate was in the cleaning state, the pressure head of filter tank outlet pipe end was:
9.94-0.11-0.28-0.027-0.7-0.248=8.58m, the appearance sewage head of establishing filtrate is 2m, and the head of filter tank effluent weir permission is 6.58m.
(7) resistance of flocculation basin and sedimentation basin: the resistance of flocculation basin mainly contains the water resistance of perforation eddy flow and grid generating, and the loss of flood peak in each clear water aperture is calculated as follows,
The loss of flood peak of single layer mesh is calculated as follows:
In formula: h 0-aperture the loss of flood peak (mm), h-waffle slab loss of flood peak (mm), b-Gridding length (mm), s-mesh width (mm), g-acceleration of gravity.
(8) elevation is set: establish the filter tank and integrate distributing channel base plate relative elevation as 0.00m: filter tank inner bottom plating absolute altitude is 0.5cm; On gravel blanket, the aspect absolute altitude is 0.85m; On filtrate, the aspect absolute altitude is 1.80m; Spoil disposal water valve bottom surface absolute altitude is 0.2m; Filtrate headwater depth 1.2m, the high 2.9m of upper aspect water gauge; Press sedimentation basin water inlet calculation of head losses, the sedimentation basin water level elevation should be 2.91m.
(9) backwashing system: rinsing is mainly the discharging of filter back washing and sedimentation basin flocculate, and in sedimentation basin, the interior muddy water of muddy water and flocculation basin is set a raft going by perforated pipe, quck-opening valve (DN25) discharging that in flocculation basin, 1~6 Ge Gegenei muddy water is installed by side direction.The filter back washing water consumption is 3.4 tons, rinses at twice.
Adopt three formulas to rinse, gas punching section: Q=16.67L/m 2S, t=3min;
Mixing wastewater with air section: Q a=16.67L/m 2S, Q w=3.47L/m 2S, t=3min;
Water punching section: Q w=15.83L/m 2S, t=0.6min shuts down 1min, draining 0.5min, then water rushes t=1.05min, stops 1min, draining.Air blast duration of runs 6min/ time, flush water pump running time 4.55min/ time.
Backwash pump adopts centrifugal pump of horizontal axis, and flow is 20m 3/ h, 89m 3/ h, lift 6.5m.Adopt Roots blower, flow 90m 3/ h, blast 4m.
(10) process operation effect
1. the upper eddy flow grid that adopts of flocculation basin design, be on the basis of perforation eddy flow, increases waffle slab, to reach the desired turbulent condition of abundant flocculation, energy loss fully acted on.Current are the fierce sections that changes of speed by the section of grid, and the micro-vortex ratio strengthens, particle effective collision time increase.Due to the effect of crossing the net current, alumen ustum absorption energy level improves, and it is more closely knit that alumen ustum becomes.By rational collision, form evenly closely knit, the alumen ustum that is easy to precipitate, reach best flocculating effect, greatly improved flocculation reaction efficient, improve water treatment capacity, save medicament 20~30% than traditional handicraft.
2. sedimentation basin is narrow space inclined plate settling basin, has suppressed the pulsation of current.The effect of small space beteen slanting board sedimentation unit is not only due to the degree of depth and is dwindled and shortened the sedimentation time, has also improved simultaneously the hydraulics of precipitation process.Because the sloping plate deposition depth d is very little, the hydraulic radius R(R=d/2 that is calculated by d~d/4) also just very little, this is generally less than 500 with regard to the Re that makes inclined-plate clarifying basin, guarantee that current are laminar condition, when suspension precipitates, the unlikely impact that is subjected to the turbulent flow effect of mixing that produces, therefore improved the hydraulics of precipitation process, stable current also make precipitation process stable, thereby obtain stable sedimentation effect, and deposition efficiency improves.Small space betddn slanting board sedimentation has increased the spoil disposal area, be 4 times of tube settler, unit are spoil disposal load is 1/4 of inclined tube, the accessible precipitation distance of any spoil disposal in period shortens, being conducive to more, granule precipitates, in sedimentation basin, mass flow rate is more even, so effluent quality of sedimentation tank is stable, and anti-shock loading is strong.
3. the filter tank is the non-overflow double-bed filter, is characterized in adopting bottom board system and the lateral drainage technology of unique level, vertical gas distribution water distributor.During backwash, form up and down two uniform air cushion layers at base plate, thereby guarantee that water and air distributing is even, the not mixed layer of filtrate allows the combination of multilayer filtrate.Backwash easily reaches optimum efficiency.Level is the PE material to collector pipe, distribute water and air hole aperture 3~20mm, and the aperture is difficult for greatly stopping up, and is sturdy and durable.Because of its unique bottom board system and lateral row method for waste water, backwash Duan Shuichong intensity is large, is 16.67L/ (m 2S), and generally the filter tank is 5~7L/ (m 2S), through twice water punching, filtrate is substantially clean, and the filtrate containing filth amount is 0.09kg/m 3, filtrate does not run off, and the recoil water yield is 3.6m 3/ m 2, being 1/3~1/2 of general filter chamber, corresponding power consumption is also low.It is strong that double-layer filter material holds dirty ability, stable effluent quality, and backwashing period is long, and energy consumption is low.Haydite is that clay is fired and formed, stable chemical nature, and pores'growth is angular, particle diameter 1~2mm, the large (650~800m of specific area 3/ m 2), have great surface free energy, thereby make haydite have stronger adsorption capacity, filtration interception capacity.Hold dirty ability, backwashing period and be the individual layer filtrate 2 times.
4. base plate installation in filter tank is simple, with low cost, and general filter chamber needs at base plate, filter, general 49/m to be installed 2, base plate just needs 49 holes like this, and the non-overflow filter tank is only vertically arranged at the middle part, filter tank and is accounted for whole base areas 20% by braiding channel, the distribute water and air pipe is installed, generally at 0.5~1.0m in braiding channel 2A distribute water and air pipe is installed in scope, and water purifier filter tank base areas 1.56 is installed 3 horizontal distribute water and air pipes, thus install easy.Due to distribute water and air area that must construction reduce nearly 80%, so the corresponding minimizing 50~80% of Master Cost, cost.
5. owing to adopting integrated design, the water purifier floor space is little, compact conformation; The water-in and water-out valve, medicine system is controlled automatically by magnetic valve, and automaticity is high, and is simple to operate.
6. sedimentation basin and filter tank liquid level difference 20cm, have the drop water aeration effect, is conducive to Fe, Mn oxidation; The porosity rate is large, and catalytic oxidation speed is high, and water purifier integrates drop water aeration, catalytic oxidation, and air contacts with filter membrane, and oxygen in water can constantly be replenished and participate in oxidation reaction, so the speed of deironing is higher.
Although, above with a general description of the specific embodiments the utility model having been done detailed description, on the utility model basis, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements on the basis of not departing from the utility model spirit all belong to the claimed scope of the utility model.

Claims (8)

1. integral water purifying device, the flocculation basin, inclined-plate clarifying basin, the non-overflow double-bed filter that comprise series connection successively, it is characterized in that, described non-overflow double-bed filter comprises filter material layer, supporting layer, water and air distributing assembly, collection distributing channel from top to bottom successively; Described collection distributing channel is vertically arranged along the middle part, filter tank; Described water and air distributing assembly comprises horizontally disposed collector pipe pipe row and vertically disposed vertical tube pipe row, and the filter plate collector pipe of corresponding connected set water pipe Guan Liezhong is respectively passed in the upper end of respectively managing of vertical tube Guan Liezhong, its lower end passes into described collection distributing channel, described collector pipe bottom is provided with two row's osculums, its top and middle part are disposed with steam vent and wash away pore, in described each pipe of vertical tube Guan Liezhong, the bottom is provided with the small air inlet hole of some; On the pool wall at 15~20cm place above described filter material layer, the muddy water drain valve is installed.
2. integral water purifying device according to claim 1, is characterized in that, described filter material layer comprises the haydite layer of thick 0.3~0.5m and the quartz sand layer of thick 40~50cm, and the haydite particle diameter is 1~2mm, and proportion is 1.4~1.6g/cm 3, quartz sand particle size is 0.71~1.2mm, proportion is 2.60~2.70g/cm 3Described supporting layer comprises the large gravel bed of the thick 20~30cm that is made of particle diameter 8~12mm gravel and the little gravel layer of thick 8~12cm of being made of particle diameter 3~5mm gravel, and separates with the screen cloth of 1~3mm between the two.
3. integral water purifying device according to claim 2, is characterized in that, described collection distributing channel area accounts for 15~25% of whole filter tank base areas; And by every 0.5~1.0m 2The filter tank base areas is laid a vertical tube.
4. integral water purifying device according to claim 3, is characterized in that, described collector pipe bottom and filter tank base plate spacing are 15~25mm.
5. integral water purifying device according to claim 4, is characterized in that, described collector pipe cross section is arch door shape, and its wide 80~120mm is highly 120~160mm, and each collector pipe center distance is 200~250mm; The drainpipe eyelet gross area on described collector pipe and the ratio 0.88:80 of the filter tank gross area~120; Described osculum diameter 10~15mm, vertical two rows are arranged in parallel, the vertical eyelet spacing of each osculum 120~180mm, level interval 50~60mm.
6. integral water purifying device according to claim 5, is characterized in that, the described gas cell distribution of washing away is in the collector pipe both sides, its diameter 3~4mm; Described steam vent diameter 1~2mm, the eyelet spacing is 120~180mm.
7. integral water purifying device according to claim 6, is characterized in that, is provided with the eddy flow grid in described flocculation basin.
8. integral water purifying device according to claim 7, is characterized in that, described sedimentation basin is narrow space inclined plate settling basin.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103508587A (en) * 2013-09-10 2014-01-15 上海市政工程设计研究总院(集团)有限公司 Water purification processing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103508587A (en) * 2013-09-10 2014-01-15 上海市政工程设计研究总院(集团)有限公司 Water purification processing device

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