CN103395871B - L-shaped hydropower hybrid spiral flow generator - Google Patents
L-shaped hydropower hybrid spiral flow generator Download PDFInfo
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- CN103395871B CN103395871B CN201310358671.0A CN201310358671A CN103395871B CN 103395871 B CN103395871 B CN 103395871B CN 201310358671 A CN201310358671 A CN 201310358671A CN 103395871 B CN103395871 B CN 103395871B
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Abstract
The present invention provides an L-shaped hydropower hybrid spiral flow generator for a low hydraulic head hydropower mixing and suspension contact flocculation reaction. The L-shaped hydropower hybrid spiral flow generator comprises a water inlet pipe (1), a water distribution tank (2), an inside-box double layer perforated plate (3), wall-attached inclined pipes (4), inside-inclined pipe spiral fixation blades (5), L-shaped bending pipes (6), and different diameter nozzles (7), wherein orifices on the upper layer and the lower layer of the double layer perforated plate (3) are arranged in a staggered manner, the spiral fixation blades (5) are arranged inside the two wall-attached inclined pipes (4), the L-shaped bending pipes (6) are asymmetrically arranged, the nozzles (7) on the ends of the L-shaped bending pipes (6) are the horizontal direction, and the outlet directions of the two nozzles on the same horizontal plane form a 90 DEG angle. The L-shaped hydropower hybrid spiral flow generator has characteristics of simple structure, low hydraulic head loss, good multiple mixing effect, uniform water distribution, complete suspension contact flocculation reaction after hydropower ejection spiral flow generation, no mechanical movement part, high reliability, energy saving, and environmental protection.
Description
Technical field
The present invention relates to a kind of hydraulic set of water treatment mixed flocculation, particularly utilize hydraulic action to realize the abundant mixing of medicament and water, utilize the water-jet relay of 2 horizontal nozzles to drive suspended active slime layer slow circumvolve to carry out the L-type hydropower hybrid spiral flow generator of contact flocculation reaction.
Background technology
In water treatment field, coagulation---precipitation is the most basic one of method for treating water or process.At water supply industry,---sterilization is the most conventional processing method to precipitation---filtration---to coagulation, and the most earth surface water source water factory in the whole world adopts the method to produce running water so far; In advanced treatment of wastewater operation, coagulation---precipitation is one of usual way; In Industrial Wastewater Treatment, coagulation---precipitation is important a kind of technological means.In order to realize coagulation process, first medicament fully to be mixed rapidly and uniformly with water, then carry out relatively gentle floccule body to contact with each other more flocculation reaction, allow it generate large and closely knit alumen ustum flco, in order to post precipitation, workshop section is effectively precipitated.Under normal circumstances, realizing medicament with the well-mixed major way of water is: water pump vane acutely mixes, mechanical rapid stirring mixes, tubular static mixer waterpower mixes, the hydraulic jump that drops mixing etc.The above two are mechanical, are waterpower class both rear.But in integrated water treatment process, it is the most common that mechanical rapid stirring mixing and drop hydraulic jump mix two kinds of forms.
Utility application " a kind of integral water purifier " (notification number CN 2512772Y, day for announcing 2002.9.25), the mixed flocculation of its device is completed by mixer and three sections of vortex sleeve, but the method needs to arrange special mixer and needs electricity consumption and have maintenance load, simultaneously, the flocculation time of the method is short, flocculating effect is general, and the inclined tube effective rate of utilization of circle is low, highly be subject to engineer applied restriction, thus the method is difficult to be amplified to more extensive, is difficult among Successful utilization to the tube settling in rectangular large area pond.And in the AO diatomite sewage treatment process that current scale is relatively large, employ fairly large circulatior clarifier, the dosing mixing of this circulatior clarifier is then mixed by water pump vane, energy consumption is comparatively large, needs special pump equipment and pump house.
Application for a patent for invention " a kind of biochemical wastewater treatment integrated apparatus, system and process " (publication number CN 102923908A, publication date 2013.2.13), in this device, current carry out the mixing of drop waterpower after medicament spray perforated pipe adds medicament, its mixing intensity is abundant not, contact with each other between the floccule body particle precipitating water body below assembly in this device impact severity and dynamics not enough, reach qualified effluent quality to need to add relatively many dosings, in addition, this device is water distribution deleterious after scale is amplified, thus the mixed flocculation effect of this device also has the space promoted further.
Based on many deficiencies of above-mentioned background and every known technology, add the actual needs of the mixing of integrated coagulating sedimentation water treatment facilities low-head hydraulic and the reaction of suspension contact flocculation, the present patent application is arisen at the historic moment.
Summary of the invention
The object of the invention is to propose a kind of simple and effective, sufficient waterpower mixing can be carried out by after the dosing of depositing reservoir supernatant liquid, suspended active slime layer is slow circumvolve, energy-saving non-maintaining L-type hydropower hybrid spiral flow generator to utilize water-jet relay to drive.
The present invention realizes above-mentioned purpose like this: add water treatment agent by arranging the sprinkling of dosing spray perforated pipe in depositing reservoir effluent trough top position, utilize depositing reservoir effluent trough water level higher than the discrepancy in elevation of the honeycomb inclined-tube sedimentation basin water surface, in diversion box double-deck perforated plate levels aperture stagger arrange, use known tubular static mixer principle, spiral fixed blade 1 ~ 3 grade is set in attached wall inclined tube again, make current flow velocity and direction in pipeline that fierce turbulent flow change occur, by L shape bend pipe, current are imported to pond lower layer space, finally flood spouting under the hydraulic action of reducing nozzle, the nozzle of 2 segment distances of being separated by the plane is that 90 ° of vertical direction form relay-type plug-flow, achieve the abundant immixture of medicament and water, and obtain the strengthening contact flocculation effect of suspended active slime layer slow circumvolve, thus achieve above-mentioned purpose.
The present invention compares with flocculation apparatus with current various mixing, not only simple structure, the loss of flood peak is little, multiple good mixing effect, water distribution is even, water-jet plays supination suspension contact flocculation sufficient reacting, and mechanical movable part, without electrical equipment, substantially without maintenance workload, reliability is high, takes full advantage of the due less water level discrepancy in elevation in technological process, because of but the mixing fluccolation installation of energy-conserving and environment-protective.
L-type hydropower hybrid spiral flow generator of the present invention, comprise water inlet pipe, diversion box and attached wall inclined tube, described water inlet pipe is connected with attached wall inclined tube with the horizontal pipeline section on both sides successively respectively after diversion box shunting, attached wall inclined tube is connected with the L shape bend pipe with reducing nozzle again, and described two L shape bend pipes are asymmetric arrangement.
Establishing double-deck perforated plate in described diversion box, staggers setting in the aperture of double-deck perforated plate.
Establish 1 ~ 3 grade of spiral fixed blade in described attached wall inclined tube, every grade by 1 ~ 3 mutually overlap joint and the fixed blade of spatial vertical form, current generation spiral is advanced; Certain distance is kept between adjacent level spiral fixed blade.
The reducing nozzle of described two L shape bend pipe ends to be positioned on same horizontal plane and separated by a distance, the emission direction of two reducing nozzles be 90 ° vertical.
Technology originality of the present invention and engineering reliability mainly embody a concentrated reflection of following three aspects:
First, utilize tubular type static mixing principle, creatively propose L-type hydropower hybrid spiral flow generator first at home, fundamentally solve the integration how depositing reservoir clarified solution directly carries out dosing → mixing → flocculation → precipitation.Before this, the depositing reservoir clarified solution of water treatment field otherwise be dosing → mechanical agitation mixing or the flocculation of water pump vane mixing → low rate mixing, the Hydraulic Circulation up and down that sprays upward of nozzle flocculates or grid flocculation → precipitation, or is exactly spray dosing → drop waterpower mixing → natural flocculation → precipitation; The former effective but take up an area large, equipment is many, energy consumption is high, the latter is simple but effect is undesirable and medicine consumption is relatively many, the latter on applying in small-scale still can, but after popularization, coagulation effect is difficult to meet and produces actual needs.
The second, the present invention utilizes 4 kinds of methods simultaneously, has ensured that medicament mixes with the Quick uniform of water.
1. utilize dosing to spray perforated pipe and carry out linear spray dosing to current in the tank of water inlet top, current are collected in opposite directions by level and change direction down rapidly afterwards, and first time achieves rapid mixing;
2. in diversion box, double-deck perforated plate is owing to being stagger setting in levels aperture, and current pass through to detour by upper and lower short distance and achieve second time rapid mixing;
3. 1 ~ 3 grade of spiral fixed blade is set in attached wall inclined tube, utilizes known tubular type static mixing principle, allow current in pipeline, produce variable motion and the swirling motion of convergent-divergent fierceness, achieve third time rapid mixing;
4. reducing nozzle is under inside and outside differential water pressures, and what current sprayed through convergent-divergent and realized the 4th rapid mixing and inside and outside two media entrainments mixing.
The present invention is through strict scientific algorithm, the flow velocity of each link, fluidised form are analyzed, the result utilizing fluid mechanics equation to calculate is: the velocity in pipes of L-type hydropower hybrid spiral flow generator 0.5 ~ 0.8m/s scope, perforated plate aperture and helical blade aperture and nozzle flow velocity in 0.9 ~ 1.2m/s scope time, good mixing effect and import, overall balance that exit head difference is little can be obtained, meet practical implementation, ensure that the uniformity of theory and practice.
3rd, the most succinct mode is also often the most reliable mode.The present invention constructs succinctly ingenious, adopt square tube or pipe design, current are from import to outlet, link and function division clear and definite, take into full account the problem such as anti-clogging problem and constructability installation, do not taken the effective area of hexagon cellular inclined tube, there will not be short flow phenomenon, do not hinder the installation of hexagon cellular inclined tube, ensure that operation uses carefree yet.
L-type hydropower hybrid spiral flow generator of the present invention, has 3 beneficial effects the most obvious:
First is succinct efficient: the present invention utilizes hydraulic action completely, not only the loss of flood peak is little, quadruple good mixing effect, and achieve smoothly water-jet rise supination fully suspension contact flocculation reaction, obtain the beyond thought mixed flocculation effect that miscellaneous equipment cannot obtain.
Second is that energy conservation and consumption reduction effects is remarkable: L-type hydropower hybrid spiral flow generator of the present invention is used for depositing reservoir or preliminary sedimentation tank water outlet dosing mixed flocculation, and one is that clarified solution or preliminary sedimentation tank suspension (SS) concentration are low, and the chemical feeding quantity itself needed is little; Two is that L-type hydropower hybrid spiral flow generator mixing efficiency is high, makes chemical feeding quantity little; Three is that hydraulic cyclone achieves the reaction of suspension contact flocculation, takes full advantage of the iterative cycles flocculation of suspension slime layer and the contact flocculation effect of spiral upper upstream, obtains identical flocculating effect and required chemical feeding quantity is little.Three achieves the object of total low medicine consumption, low energy consumption, low operating cost altogether.Therefore, the present invention is water treatment energy-saving environmental protection device truly.
3rd is that operational reliability is high, and operational effect is good: L-type hydropower hybrid spiral flow generator simple structure of the present invention, without any mechanical movable part and electrical equipment, not fragile, substantially without maintenance workload, reliability is high.Be applied in engineering practice, not only obviously save construction investment, saved land used, reduced operating cost, and achieve the real integrated of coagulation and precipitation two operations, be very easy to operational management.
Above-mentioned every advantage fully shows, L-type hydropower hybrid spiral flow generator of the present invention, not only structure is ingenious succinctly, not takes up an area, and construction investment is economized, energy consumption medicine consumption is low, operating cost is low, operational management is simple, is adapted in China's water treatment field and extensive use in novel Urbanization Construction.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of L-type hydropower hybrid spiral flow generator of the present invention.
Fig. 2 is the right view of L-type hydropower hybrid spiral flow generator of the present invention.
Fig. 3 is the top view of L-type hydropower hybrid spiral flow generator of the present invention.
Wherein: 1-water inlet pipe, 2-diversion box, 3-double-deck perforated plate, 4-attached wall inclined tube, 5-spiral fixed blade, 6-L shape bend pipe, 7-reducing nozzle, 8-support member, 9-depositing reservoir, 10-dosing spray perforated pipe, 11-suspension slime layer, 12-hexagon cellular inclined tube.
Detailed description of the invention
Embodiment one
Below for drawings and Examples, the present invention will be further described.
As can be seen from Fig. 1, Fig. 2 and Fig. 3, L-type hydropower hybrid spiral flow generator forms primarily of perforated plate 3 double-deck in water inlet 1, diversion box 2, case, attached wall inclined tube 4, spiral fixed blade 5, L shape bend pipe 6, reducing nozzle 7 and support member 8.This L-type hydropower hybrid spiral flow generator, in its diversion box 2, stagger setting in double-deck perforated plate 3 levels aperture; 2 grades of spiral fixed blades 5 are set in attached wall inclined tube 4; 2 L shape bend pipe 6 asymmetric arrangement; L shape bend pipe 6 end reducing nozzle 7 is horizontal direction; 2 jet expansions are separated by a distance on same horizontal plane, its emission direction be 90 ° vertical.
L-type hydropower hybrid spiral flow generator available metal material or nonmetallic materials are made.
Rectangular steel tube for Plate Welding in the present embodiment is made.
The course of work of L-type hydropower hybrid spiral flow generator is such:
1, after depositing reservoir 9 supernatant carries out linear spray dosing by dosing spray perforated pipe 10, import the water inlet 1 of L-type hydropower hybrid spiral flow generator, then in the diversion box 2 that square pipe enters below, complete first time rapid mixing thus.
2, in diversion box 2, middle and upper part is provided with upper and lower two-layer parallel perforated plate 3, its levels hole interlaced arrangement, hole diameter can be 30mm ~ 50mm, too small being easy to blocks, excessive being difficult to plays immixture, should determine aperture according to flow, flow velocity and pore quantity, but not to be as the criterion by dirty impurities in water blocking, levels aperture can be different.Current pass through to detour by upper and lower short distance and realize second time rapid mixing.
3, current divide the horizontal pipe flowing to both sides below double-deck perforated plate 3, enter in attached wall inclined tube 4 after elbow, the present embodiment 2 grades of spiral fixed blades 5 guiding and shrink under expansion puts effect, current produce variable motion and the swirling motion of convergent-divergent fierceness in attached wall inclined tube 4, achieve third time rapid mixing.
4, afterwards, current continue to enter L shape bend pipe 6 and reducing nozzle 7 downwards, and inside and outside pipeline under differential water pressures effect, current are spouting with undercurrent form, realize the 4th rapid mixing and inside and outside two media entrainment mixing through the convergent-divergent of fierceness.
5, by L shape bend pipe 6, current are imported to pond lower layer space from face, pond, relay-type plug-flow is formed under the hydraulic action of 2 mutual reducing nozzles 7 vertical and separated by a distance, make the suspension slime layer 11 under hexagon cellular inclined tube 12 that slow circumvolve occur, iterative cycles like this also forms screw type upwelling, the water distribution of hexagon cellular inclined tube 12 lower floor is not only made to become even, and serve strengthening contact flocculation effect, floccule body becomes larger and larger, bulky grain sinks in the spoil disposal bucket of bottom under gravity, granule floccule body rises with current and enters in hexagon cellular inclined tube 12, under shallow layer precipitating mechanism, be able to sedimentation and remove along the landing of inclined tube wall, finally achieve efficient mud-water separation.
The present embodiment, by using L-type hydropower hybrid spiral flow generator, the water surface discrepancy in elevation utilizing technological process inherently to have, achieves the target of lowest energy consumption medicine consumption and best effluent quality.
Embodiment two
Certain sewage treatment plant's sewage load is 1.2 ten thousand m
3/ d, has 2 each 6000m
3the V-type air lift integrated sewage disposal pond of/d, L-type hydropower hybrid spiral flow generator of the present invention is adopted to carry out dosing mixing and flocculation sediment process to clarified solution in integrated pond settling section, be provided with 2 cover L-type hydropower hybrid spiral flow generator altogether, L shape bend pipe bore specification is (6) 300 × 300mm, square tube design current velocity is 0.77m/s, reducing nozzle nozzle diameter specification is (7) 240 × 240mm, and designs of nozzles flow velocity is 1.21m/s, obtains good coagulation effect and sewage disposal final effect.Its water quality sees the following form.
Designing Sewage Treatment Plant water-in and water-out water quality table
| Project | COD | BOD 5 | SS | TN | NH 3-N | TP |
| Influent quality (mg/L) | 300 | 140 | 200 | 40 | 35 | 4 |
| Effluent quality (mg/L) | ≤50 | ≤10 | ≤10 | ≤15 | ≤5(8) | ≤0.5 |
| Treatment effeciency (%) | ≥83.3 | ≥92.9 | ≥95.0 | ≥62.5 | ≥85.7(77.1) | ≥87.5 |
If this sewage treatment plant adopts conventional coagulation process equipment, then need adapted 2 vertical blade quick mixers as Fast Mixing Equipment, and 2 low-speed mixers are as flocculation apparatus, and mixing pit and flocculation basin are set; Quick mixer separate unit power N=1.5kW, low rate mixing machine separate unit power N=0.75kW, every day coagulation workshop section power consumption 108kWh.Therefore, apply L-type hydropower hybrid spiral flow generator of the present invention and can save power consumption 3.942 ten thousand degree every year, energy-saving effect is remarkable, and can save construction investment and equipment investment about 300,000 yuan.Water treatment facilities of the present invention is built the foundation of energy-efficient society of China and novel urbanization water supply and sewage work, has obvious facilitation.
Claims (1)
1.L type hydropower hybrid spiral flow generator, it is characterized in that: comprise water inlet pipe (1), diversion box (2) with attached wall inclined tube (4), described water inlet pipe (1) after (2) diversion box is shunted respectively with two attached wall inclined tubes be (4) connected, (6) (4) two attached wall inclined tubes be connected respectively with reducing nozzle two L shape bend pipes (7), and described two L shape bend pipes are (6) in asymmetric arrangement; Described diversion box (2) in establish double-deck perforated plate (3), stagger setting in double-deck perforated plate aperture (3); Described attached wall inclined tube (4) in establish 1 ~ 3 grade of spiral fixed blade (5), every grade by 1 ~ 3 mutually overlap joint and the fixed blade of spatial vertical form, current generation spiral is advanced; Adjacent level spiral fixed blade (5) between keep certain distance; (7) the reducing nozzle of described two L shape bend pipes (6) end to be positioned on same horizontal plane and separated by a distance, two reducing nozzles emission direction be (7) 90 ° vertical.
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| CN201310358671.0A CN103395871B (en) | 2013-08-18 | 2013-08-18 | L-shaped hydropower hybrid spiral flow generator |
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| CN201310358671.0A CN103395871B (en) | 2013-08-18 | 2013-08-18 | L-shaped hydropower hybrid spiral flow generator |
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| CN103395871A CN103395871A (en) | 2013-11-20 |
| CN103395871B true CN103395871B (en) | 2015-06-03 |
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| CN112673931B (en) * | 2020-12-18 | 2023-05-16 | 重庆工程职业技术学院 | Water circulation system for garden irrigation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966134A (en) * | 2006-08-14 | 2007-05-23 | 李建 | Adjustable static mixer |
| CN101549259A (en) * | 2009-05-04 | 2009-10-07 | 武汉科技大学 | Flocculant mixing device |
| CN203392907U (en) * | 2013-08-18 | 2014-01-15 | 武汉宝捷能环境工程技术有限公司 | L-type hydraulic mixing spiral flow generator |
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- 2013-08-18 CN CN201310358671.0A patent/CN103395871B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1966134A (en) * | 2006-08-14 | 2007-05-23 | 李建 | Adjustable static mixer |
| CN101549259A (en) * | 2009-05-04 | 2009-10-07 | 武汉科技大学 | Flocculant mixing device |
| CN203392907U (en) * | 2013-08-18 | 2014-01-15 | 武汉宝捷能环境工程技术有限公司 | L-type hydraulic mixing spiral flow generator |
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