CN103466773A - Ladder tower flocculation reaction device - Google Patents

Ladder tower flocculation reaction device Download PDF

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Publication number
CN103466773A
CN103466773A CN2013104567312A CN201310456731A CN103466773A CN 103466773 A CN103466773 A CN 103466773A CN 2013104567312 A CN2013104567312 A CN 2013104567312A CN 201310456731 A CN201310456731 A CN 201310456731A CN 103466773 A CN103466773 A CN 103466773A
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China
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tower
flocculation
ladder
reaction device
vertical
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CN2013104567312A
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CN103466773B (en
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朱士圣
吴鹏
朱忠贤
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Nanjing State Environmental Protection Co.,Ltd.
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NANJING GUONENG ENVIRONMENTAL PROTECTION ENGINEERING Co Ltd
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Abstract

A ladder tower flocculation reaction device comprises a stand tower structure, a vertical partitioning plate and a lower end trumpet-shaped expanding opening. A stand tower comprises oval step plates and pulling ribs. The trumpet-shaped expanding opening is formed in the lower end of the tower. 2-5 circles of circular or oval step table plates are horizontally arranged at the lower end of the tower from top to bottom with the sizes gradually reduced. The pulling ribs are used for connecting the table plates. A plurality of supporting partitioning plates are arranged in the vertical direction perpendicular to the ladder table plates. A cross-shaped turbulent flow partitioning plate is horizontally arranged in the middle of the tower. The step plates and the pulling ribs shaped like a Chinese character 'mi' are connected in a welding or bolt mode, and the supporting partitioning plates and the step plates are connected in a welding or bolt mode. Ladder tower flocculation equipment has the advantages of being good in corrosion resistance, high in intensity, attractive in appearance, convenient to mount, good in flocculation effect, low in head loss, short in flocculation time and the like. The ladder tower flocculation reaction device can generate high-frequency-spectrum vortex, flocculation particle contacting and colliding frequency is improved, and effective collision rate of particles in water is improved.

Description

Ladder tower flocculation reaction device
Technical field
The present invention relates to a kind of novel flocculation reaction device, can be widely used in the feedwater, wastewater treatment in the fields such as municipal administration, printing and dyeing, chemical industry, electric power.
Background technology
Water is valuable natural resources, is the essential material of industrial and agricultural production and people's lives.Industrial and agricultural production develops rapidly, and many districts service discharge is day by day not enough, and water body is polluted simultaneously, and some source qualities worsen increasingly.Along with the raising of living standards of the people, people are also more and more stricter to the requirement of Drinking Water water quality simultaneously, as the flocculation treatment process of giving important step in water treatment, embody all the more its importance.Conventional flocculation process has grid, flocculation pool of grid strip, folded plate flocculator, mechanical stirring flocculation basin etc.: as the CN201110026852.4 central gridding flocculation well.At least one waffle slab is set in flocculation well, with flow velocity direction at right angle setting in flocculation well; Waffle slab one end is fixed on the wall of inlet well, and the other end is fixed on the flocculation borehole wall.A plurality of waffle slabs can be along the direction of current in flocculation well, and by perforate, mode is from small to large arranged.
The CN200410053272.4 flocculation reactor is a kind of material filling type flocculation reactor.Improve the micro swirl density of flocculation reactor, significantly shorten the flocculation reaction time, improve flocculating effect, and can avoid deposition to prevent from stopping up.Be applicable to various water treatment occasions and other fluid handling occasions.
A 201110449704.3 flocculation reaction equipment, it comprises reaction tank body, a plurality of fixed link and a plurality of flocculation reactions unit, described fixed link is arranged in described reaction tank body, described a plurality of flocculation reactions unit is arranged on described a plurality of fixed link, and each flocculation reaction unit comprises the herring-bone benching be arranged on described fixed link and is installed on the herring-bone vortex shedder on described herring-bone benching.The flocculation reaction unit of flocculation reaction equipment of the present invention is provided with the herring-bone vortex shedder, can make the particle collision probability greatly improve, and has shortened the required time of conventional flocculation reaction, but the final alumen ustum settling property raising formed, easier precipitate and separate.
The CN201010110756.3 flocculation reactor, comprise water-in, water outlet, the reactor body between described water-in and described water outlet, described reactor body comprises a width continually varying spiral sluice, and described width continually varying spiral sluice changes continuously and reduces gradually for the gradient that makes described flocculation reactor flow velocity.In general, all there are the problems such as hybrid reaction is inhomogeneous, pond body structure relative complex, the easy deposition of end in prior art, in view of the drawback of common process, researches and develops new and effective ladder tower flocculation reaction equipment.
Summary of the invention
The present invention seeks to: propose a kind of new and effective flocculation reaction device, the one-level coagulating sedimentation that is applicable to various feedwater, sewage is processed.A kind of novel ladder tower flocculation reaction device is especially proposed, can realize producing micro-flocs unit after water mixes with medicament, be condensed into the flocs unit with good physical behavior within a short period of time, and there is enough large granularity, density and intensity, for impurity particle is precipitating the good condition of rapid settlement separate creation of clarification stage.
Technical scheme of the present invention is, ladder tower flocculation reaction device, comprise a vertical tower structure, vertical tower comprises oval stepped plate, lacing wire, vertical baffle and each assembly of lower end flare, under tower, end is provided with flare, laterally be provided with from top to bottom 2-5 circle circle or oval ladder platen, 2-5 circle circle or oval-shaped size reduce from top to bottom, lacing wire is for the connection between stepped plate, the vertical direction vertical with the ladder platen is provided with some supporting clapboards, the middle of tower level is provided with cross flow-disturbing dividing plate, stepped plate and lacing wire rice font comprise that supporting clapboard and stepped plate all adopt welding or bolt connecting mode, reaction unit can adopt polypropylene or stainless material processing and fabricating.
The reaction unit integral level is arranged in flocculation basin, it is the taper mud-removing bucket that the flocculation basin body is provided with into water and water outlet, bottom, the bucket bottom is furnished with shore pipe, the water source reaction unit (according to flocculation basin general arrangement, water source also can flow from top to down) of flowing through from below to up, by the adjusting of the horizontal and vertical spacing to oval stepped plate, change the final condition of turbulent fluidised form, increase the turbulence degree of Turbulence Flow, form highdensity little vortex, improve flocculating effect.
Ladder tower flocculation reaction device, as feedwater, the important flocculation assembly of wastewater treatment coagulation-settlement process section, can carry out modular designs and be installed in integrated flocculation sedimentation tank, the mechanical rotating part of equipment own, Non-energy-consumption, the single unit system lifting is placed in steel or concrete basin, the pond body can be designed to rectangle or square according to processing the water yield and device type, this reaction unit is by forming a large flow channels with the pond body, in this passage, ladder tower stepped plate is to upward flow or lower convergent-divergent adjusting from flow velocity to the water flowed that carry out, the best hydraulic gradient of this device according to flocculation in earlier stage, mid-term, it is three grades that later stage is divided into, cross the stepped plate optimum flow rate and be respectively 0.16~0.18m/s, 0.13~0.15m/s, 0.10 2~5 collisions, occur in~0.12m/s between current and ladder step, dividing plate, gusset, form countless small eddy current at edges such as dividing plate, gussets.
This novel flocculation reaction device is mainly to utilize the instantaneous mixing principle of high-gradient, and segmentation is turbulent fluctuation at a slow speed, realize particle and medicament in water fully, repeatedly touch.In single flocculation basin, Transverse to the flow direction arranges 2 to 5 road staged dividing plates, along water (flow) direction, asymmetric vertical baffle is set and supports, and when current are flowed through dividing plate, will produce the high frequency vortex, increases the particle collision number of times, improves the effective collision rate.Ladder tower flocculation apparatus, for medicament fully contacts with the particle in water the ydrodynamics condition that provides good, can produce the alumen ustum nucleon of closely knit easy precipitation at the flocculation basin back segment.According to different raw water qualities and water scale processed, carry out hydraulic classification and fluidised form and control during actual the use, control energy consumption of turbulent flow in water, rationally, fully distribute the distribution of vortex fluidised form, can obtain desirable flocculating effect.Ladder tower flocculation apparatus has good erosion resistance, the characteristics such as intensity is high, good looking appearance, easy for installation, flocculating effect good, head loss is little, flocculation time is short.By one group to tens groups ladder flocculation reaction device is set, can produce the high frequency spectrum vortex in the Vertical Flow flocculation tank, reach and strengthen the contact of flocculation particle, collision frequency, improve the effect of particle effective collision rate in water.
By the lateral partitions perpendicular to being provided with the multi-step formula on water (flow) direction, between the ladder dividing plate, adopted asymmetric vertical supporting gusset and the lacing wire of rice font to strengthen, complete assembly can adopt polypropylene or stainless material processing and manufacturing moulding.On-the-spot easy for installation, only need integral hoisting, simple and easy fixing, without lower margin or the support of pre-buried complexity.
Beneficial effect of the present invention is:
1. can rationally control turbulent eddies yardstick and quantity, increase contact-impact number of times and the effective collision number of times of particle in flocculation basin, improve the flocculation reaction effect;
2. flocculation time is short: but this form flocculation time can foreshorten in 6mins, reduced the flocculation basin occupation of land, save approximately 50% investment of civil engineering.
3. fluid resistance is little: single seat ladder tower height degree is 2~1:1 with the major diameter ratio, and neighbouring stepped plate spacing is 400~800mm, and the vertical supporting dividing plate is 300~500mm, and porosity is large, and the fluid head loss is little, and water resistance is generally at 20~30mm.
Ladder tower flocculation apparatus has good erosion resistance, the characteristics such as intensity is high, good looking appearance, easy for installation, flocculating effect good, head loss is little, flocculation time is short.By one group to tens groups ladder flocculation reaction device is set, can produce the high frequency spectrum vortex in the Vertical Flow flocculation tank, reach and strengthen the contact of flocculation particle, collision frequency, improve the effect of particle effective collision rate in water.The present invention adopts polypropylene or stainless steel manufacture, and structure is ingenious, and appearance looks elegant is easy for installation, is the renewal product of conventional flocculation reaction equipment.
The accompanying drawing explanation
Fig. 1 is facade sectional structure schematic diagram of the present invention.
Fig. 2 is plan structure schematic diagram of the present invention.
Embodiment
Ladder tower flocculation reaction device basic structure as shown in Figure 1, 2, under tower 5, end is provided with flare 1, transversely is provided with the oval ladder platens 2 of two circles and (rice font) lacing wire 3, vertical direction are provided with supporting clapboard 4, the tower middle is provided with cross flow-disturbing dividing plate, stepped plate and lacing wire comprise that supporting clapboard and stepped plate all adopt welding or bolt connecting mode, and reaction unit can adopt polypropylene or stainless material processing and fabricating.
Ladder tower flocculation reaction device, as feedwater, the important flocculation assembly of wastewater treatment coagulation-settlement process section, can carry out modular designs and be installed in integrated flocculation sedimentation tank, the mechanical rotating part of equipment own, Non-energy-consumption, the single unit system lifting is placed in steel or concrete basin, the pond body can be designed to rectangle or square according to processing the water yield and device type, this reaction unit is by forming a large flow channels with the pond body, in this passage, ladder tower stepped plate is to upward flow or lower convergent-divergent adjusting from flow velocity to the water flowed that carry out, the best hydraulic gradient of this device according to flocculation in earlier stage, mid-term, it is three grades that later stage is divided into, cross the stepped plate optimum flow rate and be respectively 0.16~0.18m/s, 0.13~0.15m/s, 0.10~0.12m/s, 2~5 collisions occur between current and ladder step, dividing plate, gusset, form countless small eddy current at edges such as dividing plate, gussets, farthest increased the collision probability of flco, particulate matter in water can form closely knit flocculation nucleon at short notice, significantly improves the effect of post precipitation segregation section.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each integral part all available prior art realized.

Claims (7)

1. ladder tower flocculation reaction device, it is characterized in that comprising a vertical tower structure, vertical tower comprises oval stepped plate, lacing wire, vertical baffle and each assembly of lower end flare, under tower, end is provided with flare, laterally be provided with from top to bottom 2-5 circle circle or oval ladder platen, 2-5 circle circle or oval-shaped size reduce from top to bottom, lacing wire is for the connection between stepped plate, the vertical direction vertical with the ladder platen is provided with some supporting clapboards, the middle of tower level is provided with cross flow-disturbing dividing plate, stepped plate and lacing wire rice font comprise that supporting clapboard and stepped plate all adopt welding or bolt connecting mode.
2. ladder tower flocculation reaction device according to claim 1, it is characterized in that bottom is for the taper mud-removing bucket, the bucket bottom is furnished with shore pipe, the water source reaction unit of flowing through from below to up, by the adjusting of the horizontal and vertical spacing to oval stepped plate, change the final condition of turbulent fluidised form, increase the turbulence degree of Turbulence Flow, form highdensity little vortex, improve flocculating effect.
3. ladder tower flocculation reaction device according to claim 1, is characterized in that the reaction unit integral level is arranged in flocculation basin, and the flocculation basin body is provided with into water and water outlet.
4. ladder tower flocculation reaction device according to claim 1, is characterized in that reaction unit adopts polypropylene or stainless material processing and fabricating.
5. ladder tower flocculation reaction device according to claim 1, it is characterized in that in the Vertical Flow flocculation tank by one group to tens groups ladder flocculation reaction device is set, can produce the high frequency spectrum vortex, reach and strengthen the contact of flocculation particle, collision frequency, improve the effect of particle effective collision rate in water.
6. ladder tower flocculation reaction device according to claim 1, it is characterized in that being provided with on perpendicular to water (flow) direction the lateral partitions of multi-step formula, between the ladder dividing plate, adopted asymmetric vertical supporting gusset and the lacing wire of rice font to strengthen, complete assembly can adopt polypropylene or stainless material processing and manufacturing moulding.
7. ladder tower flocculation reaction device according to claim 1, is characterized in that scene is easy for installation, only needs integral hoisting, simple and easy fixing, without lower margin or the support of pre-buried complexity.
CN201310456731.2A 2013-09-29 2013-09-29 ladder tower flocculation reaction device Active CN103466773B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2335960Y (en) * 1998-11-23 1999-09-01 浙江京泰水工业设备有限公司 Frame type flat folded plate flocculator
KR100814070B1 (en) * 2007-08-30 2008-03-14 정석환 Vortex-type chemical mixture apparatus for water-treatment
CN203007000U (en) * 2012-12-20 2013-06-19 黄河勘测规划设计有限公司 Vertical grid flocculation basin
CN203112565U (en) * 2013-01-17 2013-08-07 上海富大同诺环境科技有限公司 Micro-eddy water purifier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2335960Y (en) * 1998-11-23 1999-09-01 浙江京泰水工业设备有限公司 Frame type flat folded plate flocculator
KR100814070B1 (en) * 2007-08-30 2008-03-14 정석환 Vortex-type chemical mixture apparatus for water-treatment
CN203007000U (en) * 2012-12-20 2013-06-19 黄河勘测规划设计有限公司 Vertical grid flocculation basin
CN203112565U (en) * 2013-01-17 2013-08-07 上海富大同诺环境科技有限公司 Micro-eddy water purifier

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Effective date of registration: 20200723

Address after: No.23, Liuzhou North Road, Jiangbei new district, Nanjing, Jiangsu Province, 211500

Patentee after: Nanjing State Environmental Protection Co.,Ltd.

Address before: 211048 room 03, building 420, high tech Development Zone, Pukou District, Jiangsu, Nanjing

Patentee before: NANJING GUONENG ENVIRO-PROTECTION PROJECT Co.,Ltd.

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