CN202688032U - Efficient air floatation water-purification reaction device - Google Patents
Efficient air floatation water-purification reaction device Download PDFInfo
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- CN202688032U CN202688032U CN 201220190658 CN201220190658U CN202688032U CN 202688032 U CN202688032 U CN 202688032U CN 201220190658 CN201220190658 CN 201220190658 CN 201220190658 U CN201220190658 U CN 201220190658U CN 202688032 U CN202688032 U CN 202688032U
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- purification reaction
- water purification
- reaction unit
- air floatation
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Abstract
The utility model discloses an efficient air floatation water-purification reaction device which comprises a chemical adding device 1, a pressure air dissolving system 2 and an air floatation tank 3. The chemical adding device and the pressure air dissolving system are connected through a pipeline. The air floatation tank is in a vertical flow type and is of a reinforced concrete or steel structure. Detailed sizes of the air floatation tank and an air-lifting pump can be set according to actual demand. The efficient air floatation water-purification reaction device has the advantages that the air floatation water-purification reaction device is convenient to install, simple to operate and easy to master and does not need managing by a person specially, scum concentration is high, dehydration is achieved easily, the sludge amount is small, the occupied space is little, the civil engineering cost is low, the investment is saved, and the like. The efficient air floatation water-purification reaction device is widely used for treatment of domestic sewage and industrial sewage caused by petroleum, chemical engineering, papermaking, leather, printing and dyeing, food and electroplating and the like.
Description
Technical field
The utility model relates to a kind of wastewater treatment equipment, particularly a kind of flotation waste water treatment reaction unit of realizing that solid-liquid separates.
Background technology
At present, pressurized dissolved air flotation equipment is comparatively widely a kind of airfloat equipment of present range of application.
Pressurized dissolved air flotation equipment is that the water of getting after a part is processed refluxes, recirculation water pressurization and molten gas, make air dissolves in water, then suddenly reduce to normal pressure, be dissolved in the air of water with micro-bubble form (bubble diameter is about about 20-100 μ m), from water, separate out, the suspended particle in the water is carried bubble through the water column, thereby realize that solid-liquid separates.
Pressurized dissolved air flotation equipment mainly contains air saturation equipment, air discharges and reaches equipment, solid-liquid or the liquid-liquid separation equipment three parts composition that mixes mutually with waste water.
By Bubble-floating Method not only will improve bubble quality (such as trickle degree, intensity, stability etc.) as a physico-chemical process, but also will attach great importance to the performance of improving the wadding grain.If we can obtain the strong wadding grain of adsorptivity, then will go far towards to improve the effect of flotation waste water treatment.Although the By Bubble-floating Method water purification day reveals cutting edge because of its distinct advantages, give full play to its characteristics, also answer at present emphasis to research and develop aspect answering three following.(1) the further miniaturization of bubble.As everyone knows, under the release quantity condition that equates, the microbubble that produces is thinner, and then the bubble number is more much more intensive, and the wadding grain of adhesion is also less, and purifying water effect is also just better, and the scum silica frost that forms is also more stable.Therefore.The less dissolved air release of research bubble mean diameter is an approach of current raising air floating water purification technology.It can not only improve the removal effect of existing water purification object, and can also open up the range of application of By Bubble-floating Method water purification.(2) directly cutting gas is made microbubble.There are two problems in pressurized dissolved air flotation equipment: the one, and the relative energy consumption of pressure air-dissolving is larger; The 2nd, the adding of dissolved air water amount has increased the hydraulic load in the air flotation pool, brings difficulty to separation.The desired solution that solves these two problems is the distribution device that development directly produces microbubble, by this device gas is cut into stable, fine, intensive microbubble group, thereby reduces to the utmost energy consumption, and can not increase the air flotation pool volume.Although directly gas distribution method difficulty is very large, it is the most attractive research direction.(3) solid, liquid isolation technique.In order to improve the solid, liquid isolation technique, give full play to the advantage of flotation waste water treatment, except the further miniaturization of above-mentioned bubble and the direct gas distribution method of employing, improving the solid, liquid separating effect also is an importance, improves on the separating effect because the final purpose of flotation waste water treatment still is embodied in.
Summary of the invention
The purpose of this utility model is, overcome the deficiencies in the prior art, providing a kind of can realize under pressurized conditions, the solubleness of air is large, number of bubbles is many, bubble is fine, epigranular, floating stable, small to liquid perturbation, solid-liquid separation, technological process and the equipment to loose flocs unit, fine particle of being specially adapted to is simple, be convenient to manage, and the air-floating apparatus of energy efficient significantly.
The utility model is achieved by following technical solution:
A kind of efficient air-floating water purification reaction unit is comprised of chemicals dosing plant 1, pressure air-dissolving system 2 and air flotation pool 7, it is characterized in that, described chemicals dosing plant 1 is provided with grug feeding jar 18 and mixing tank 19; Described pressure air-dissolving system 2 is provided with pressure volume pot 5, pressure pump 6, air compressor machine 3 and buffer tank 4; The mid-way of air flotation pool 7 is by contact bucket support (12) and contact bucket and support 8 and be provided with and contact barrels 10, the periphery on edge is provided with guide shell 11 by guide shell support 9 and guide shell support 17 on the contact bucket 10, the top of guide shell 11 is provided with slag gathering hopper 13 and dreg scraper 14, dreg scraper 14 carries out work by the driving of step-down gear 16, and the topmost of air flotation pool 7 is provided with airlift pump 15.
Described grug feeding jar 18 is 3, can increase and decrease according to actual needs.
The physical dimension of described grug feeding jar 18 is φ=1000mm, and H=1500mm also can set concrete size according to the actual requirements.
Described grug feeding jar 18 adopts PLC automatically to control, and by PLC interlock PH probe, the PH of regulating water quality can reduce the consumption of medicament.
Described dreg scraper 14, gas pump 15 adopt PLC automatically to control.
Described pressure volume pot 5 adopts the spraying filler pressure air-dissolving tank, and φ is 500mm, and straight height is 2500mm, also can set according to the actual requirements concrete size.
Described air flotation pool 7 is Steel Concrete or steel design, and physical dimension is length * wide=4500mm * 4500mm, and the pond is 5000mm deeply, also can set according to the actual requirements concrete size.
The beneficial effects of the utility model are, provide a kind of easy for installation, simple to operate, scum silica frost concentration is high, be easy to dewater, sludge quantity is few, floor space is few, civil engineering costs is low efficient air-floating water purification reaction unit.
Description of drawings
Fig. 1 is the workflow diagram of the utility model efficient air-floating water purification reaction unit.
Fig. 1 Reference numeral is:
1---chemicals dosing plant 2---pressure air-dissolving system
3---air compressor machine 4---buffer tank
5---pressure air-dissolving tank 6---pressure pump
7---air flotation pools 8---contact bucket supports
9---guide shell supports 10---contact bucket
11---guide shells 12---contact bucket support
13---slag gathering hopper 14---dreg scraper
15---airlift pump 16---step-down gear
17---guide shell support 18---grug feeding jar
19---mixing tank
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
The utility model adopts conventional process for producing and conventional starting material to make.Air flotation pool 7 is Steel Concrete or steel construction, and the material of airlift pump 15 and efficient pressure air-dissolving tank 5 tank bodies adopts the weldering of Q235 roll of steel plate, in to be coated with the bipassage ring epoxy resins anticorrosion.
The utility model considers: the size of microbubble (structure that is decided by container mode and reliever); The air capacity that gas-solid ratio-namely discharges in the water; Influent concentration, operating pressure, the floating residence time; The daf efficiency impact that the factor of the aspects such as the effect of medicament (coagulating sedimentation effect) is brought realizes optimized combination.
The pressure air-dissolving system comprises water pump, air compressor machine, pressure air-dissolving tank, buffer tank and other auxiliary facilitys.Wherein pressure air-dissolving tank is the key equipment of the molten gas effect of impact.The air-flotation system required air quantity is less, selects the little air compressor machine of power, and takes the intermittent operation mode.In addition, the air compressor machine air feed can also guarantee that the pressure of water pump does not have large loss, and therefore general water pump can save energy consumption to the pressure drop of dissolving about 0.005MPa only.
Wherein buffer tank 4 can play effects such as stablizing atmospheric pressure, buffering, simultaneously, also has a vital role to prevent exactly between the air compressor machine down period, and compressed air line pours in down a chimney in the air compressor machine because certain reason is returned liquid, makes its damage.
In order to improve molten gas efficient, adopt the spraying filler pressure air-dissolving tank.The factor that affects spraying filler pressure air-dissolving tank efficient is a lot, wherein mainly contains liquid level in the bed stuffing height, tank, liquid flow point mode for cloth is gentle, liquid flows to and temperature etc.The utility model air-floating apparatus has the main technologic parameters that the filling pressure dissolving adopts: cross flow density 4500m
3/ (m
2D); Bed stuffing height 1.2m; Liquid level control height 0.6～1.0m; Dissolving bearing capacity 0.8MPa.
Molten gas dispose procedure be with pressure air-dissolving water by energy dissipating, decompression, the gas that dissolves in the water is discharged with the form of microbubble, and can be quickly and evenly with water in impurity phase adhere to; Reduce fully energy dissipating, guarantee that the gas that dissolves in the water can all discharge fully; Energy dissipating will meet the rule of air release, guarantees the fine degree of bubble, increases the number of bubble, increases the surface-area that adheres to impurity, prevents the mutual collision between the microbubble, is unfavorable for the generation of the major diameter bubble of air supporting process with minimizing; Avoid water impact, guarantee that bubble can mix with pending water rapidly equably, improve " seizure " probability, prevent the measure of stopping up.
The dissolved-air pressure of the utility model efficient air-floating water purification reaction unit adopts 0.2～0.5MPa, and reflux ratio gets 10%～30%.According to coagulating agent and dosage and time and the difficulty of finishing flocculation, determine reaction formation and reaction times, the general precipitin reaction time is 5～15min; Enter the flow rate control of air flotation pool contact bucket below 0.1m/s, the current upflow velocity is got 10～20mm/s, and current are 60～100s in the indoor residence time; With the sepn process of gas flco, selecting current (downwards) flow velocity according to the complexity of separating with the gas flocs float is 1.5～3.0mm/s in the air flotation pool; The deslagging of air flotation pool arranges the regular deslagging of special-purpose slag scraper, and the slag scraper speed of travel is controlled at 5～8cm/s.
The workflow of the utility model efficient air-floating water purification reaction unit is as follows:
As shown in Figure 1, enter in the contact bucket 10 of air flotation pool 7 behind the stirring of sewage by line mixer 19, the coagulation, simultaneously, chemicals dosing plant 1 joins drug solution in the sewer line by grug feeding jar 18 and mixing tank 19, and described medicine is coagulating agent.Grug feeding jar 18 adopts PLC automatically to control, and by PLC interlock PH probe, the PH of regulating water quality can reduce the consumption of medicament.Because the dissolved air water of the pressure air-dissolving tank 5 in the pressure air-dissolving system 2 is entering air flotation pool 7 rear sudden pressure reductions, thereby pressurized air soluble in water is discharged with bubble form, a large amount of micro-bubbles are adsorbed in the floss surface, in the process of constantly pouring into the water surface, supporting the floss that flocculation reaction has occured in the water and is emerged.Pressure pump 6 constantly is evacuated to pressure air-dissolving tank 5 with the processing water of air flotation pool 7, is in contact with one another dissolving with pressurized air from air compressor machine 3, buffer tank 4 in tank.The top of air flotation pool 7 is provided with slag gathering hopper 13 and dreg scraper 14, and step-down gear 16 drives dreg scraper 14, and the floss that emerges is collected by dreg scraper 14 and discharged, and water purification is discharged by water outlet.Dreg scraper 14 adopts PLC control automatically to move and scrapes slag.At this moment, the inorganics impurity that part proportion is larger in the sewage is sunken at the bottom of the pond, regularly enters sludge sump by airlift pump 15 by the spoil disposal pipeline again.Airlift pump 15 uses PLC control, time opening.In the spoil disposal process, add pressurized air to the spoil disposal pipeline of airlift pump 15, the density difference that forms muddy water mixed solution is lower than original density difference, and the mixed solution that density is little is easier to discharge with the spoil disposal pipeline.Air flotation pool 7 is vertical-flow, is Steel Concrete or steel design.
The specification of air flotation pool 7 and airlift pump 15 can be set concrete size according to the actual requirements.
The utility model can reach operatorless state by setting up control panel behind the system and device adjustment and installation.
The utility model efficient air-floating water purification reaction unit is widely used in the processing of the industrial sewage places such as oil, chemical industry, papermaking, leather, printing and dyeing, food, plating and sanitary sewage.
Claims (7)
1. an efficient air-floating water purification reaction unit is comprised of chemicals dosing plant (1), pressure air-dissolving system (2) and air flotation pool (7), it is characterized in that, described chemicals dosing plant (1) is provided with grug feeding jar (18) and mixing tank (19); Described pressure air-dissolving system (2) is provided with pressure volume pot (5), pressure pump (6), air compressor machine (3) and buffer tank (4); The mid-way of air flotation pool (7) is by contact bucket support (12) and contact bucket and support (8) and be provided with and contact barrel (10), the periphery on the upper edge of contact bucket (10) supports (9) by guide shell and guide shell support (17) is provided with guide shell (11), the top of guide shell (11) is provided with slag gathering hopper (13) and dreg scraper (14), dreg scraper (14) carries out work by the driving of step-down gear (16), and the topmost of air flotation pool (7) is provided with airlift pump (15).
2. according to claim 1 efficient air-floating water purification reaction unit is characterized in that, described grug feeding jar (18) is 3.
3. according to claim 1 efficient air-floating water purification reaction unit is characterized in that, the physical dimension of described grug feeding jar (18) is φ=1000mm, H=1500mm.
4. according to claim 1 efficient air-floating water purification reaction unit is characterized in that, described grug feeding jar (18) adopts PLC automatically to control, and by PLC interlock PH probe, the PH of regulating water quality can reduce the consumption of medicament.
5. according to claim 1 efficient air-floating water purification reaction unit is characterized in that, described dreg scraper (14), gas pump (15) adopt PLC automatically to control.
6. according to claim 1 efficient air-floating water purification reaction unit is characterized in that, described pressure volume pot (5) adopts the spraying filler pressure air-dissolving tank, and φ is 500mm, and straight height is 2500mm.
7. according to claim 1 efficient air-floating water purification reaction unit is characterized in that, described air flotation pool (7) is Steel Concrete or steel design, and physical dimension is length * wide=4500mm * 4500mm, and the pond is 5000mm deeply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220190658 CN202688032U (en) | 2012-04-28 | 2012-04-28 | Efficient air floatation water-purification reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220190658 CN202688032U (en) | 2012-04-28 | 2012-04-28 | Efficient air floatation water-purification reaction device |
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| Publication Number | Publication Date |
|---|---|
| CN202688032U true CN202688032U (en) | 2013-01-23 |
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ID=47543680
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220190658 Expired - Lifetime CN202688032U (en) | 2012-04-28 | 2012-04-28 | Efficient air floatation water-purification reaction device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289051A (en) * | 2015-01-27 | 2016-02-03 | 北京博汇特环保科技有限公司 | Central cylinder device for vertical-flow sedimentation tank |
| CN105436194A (en) * | 2015-12-25 | 2016-03-30 | 安徽继宏环保科技有限公司 | Sewage purification equipment of urban domestic waste treatment system |
| CN105457975A (en) * | 2015-12-25 | 2016-04-06 | 安徽继宏环保科技有限公司 | Sewage purification equipment of urban household garbage disposal system |
| CN105537241A (en) * | 2015-12-25 | 2016-05-04 | 安徽继宏环保科技有限公司 | Bag opening and emptying machine of municipal solid waste treatment system |
| CN105598126A (en) * | 2015-12-25 | 2016-05-25 | 安徽继宏环保科技有限公司 | Sewage purification device of urban living garbage treatment system |
| CN105618457A (en) * | 2015-12-25 | 2016-06-01 | 安徽继宏环保科技有限公司 | Disposal system for urban domestic waste |
| CN105618458A (en) * | 2015-12-25 | 2016-06-01 | 安徽继宏环保科技有限公司 | Vibration screening device of urban living garbage treatment system |
| CN106517401A (en) * | 2016-10-31 | 2017-03-22 | 天津科技大学 | Intermittent air flotation water-purifying device |
-
2012
- 2012-04-28 CN CN 201220190658 patent/CN202688032U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289051A (en) * | 2015-01-27 | 2016-02-03 | 北京博汇特环保科技有限公司 | Central cylinder device for vertical-flow sedimentation tank |
| CN105436194A (en) * | 2015-12-25 | 2016-03-30 | 安徽继宏环保科技有限公司 | Sewage purification equipment of urban domestic waste treatment system |
| CN105457975A (en) * | 2015-12-25 | 2016-04-06 | 安徽继宏环保科技有限公司 | Sewage purification equipment of urban household garbage disposal system |
| CN105537241A (en) * | 2015-12-25 | 2016-05-04 | 安徽继宏环保科技有限公司 | Bag opening and emptying machine of municipal solid waste treatment system |
| CN105598126A (en) * | 2015-12-25 | 2016-05-25 | 安徽继宏环保科技有限公司 | Sewage purification device of urban living garbage treatment system |
| CN105618457A (en) * | 2015-12-25 | 2016-06-01 | 安徽继宏环保科技有限公司 | Disposal system for urban domestic waste |
| CN105618458A (en) * | 2015-12-25 | 2016-06-01 | 安徽继宏环保科技有限公司 | Vibration screening device of urban living garbage treatment system |
| CN106517401A (en) * | 2016-10-31 | 2017-03-22 | 天津科技大学 | Intermittent air flotation water-purifying device |
| CN106517401B (en) * | 2016-10-31 | 2021-05-25 | 天津科技大学 | Intermittent air-flotation water purifying equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |