CN103613156B - Bubble removal system for contact tank water inlet corridors - Google Patents
Bubble removal system for contact tank water inlet corridors Download PDFInfo
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- CN103613156B CN103613156B CN201310697147.6A CN201310697147A CN103613156B CN 103613156 B CN103613156 B CN 103613156B CN 201310697147 A CN201310697147 A CN 201310697147A CN 103613156 B CN103613156 B CN 103613156B
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- water
- inlet passage
- bubble
- bubble removal
- water inlet
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Abstract
The invention discloses a bubble removal system for contact tank water inlet corridors. The bubble removal system is characterized by comprising a first water inlet corridor and a second water inlet corridor which are sequentially connected between a secondary sedimentation tank confluence well and a contact tank, wherein a suspended bubble removal device is arranged in the first water inlet corridor, and a bubble removal mechanism is arranged at a water inlet of the second water inlet corridor; the suspended bubble removal device comprises a supporting frame and a bubble removal brush, two ends of the bubble removal brush are rotatably connected to the supporting frame, brush hairs at the lower part of the bubble removal brush are soaked under the water surface, and brush hairs at the upper part of the bubble removal brush are exposed out of the water surface; the bubble removal mechanism comprises a water pipe which is arranged on a corridor wall in the width direction of the water inlet of the second water inlet corridor, a row of water outlet nozzles are obliquely and downwards arranged along the water flow direction of the second water inlet corridor on the water pipe, and the water pipe is connected with a reclaimed water pipeline system. The bubble removal system disclosed by the invention can be used for removing bubbles very efficiently, thereby reducing the influence of the bubbles on water yielding indexes and improving the water yielding quality of the contact tank.
Description
Technical field
The present invention relates to a kind of Sewage treatment systems contact tank inlet passage, especially a kind of contact tank inlet passage de-bubble system.
Background technology
Contact tank, has another name called disinfecting tank, is in the Sewage treatment systems of city domestic sewage treatment plant, sewage after sedimentation in secondary sedimentation tank to carry out disinfection the pond of reaction for adding liquid chlorine together before outer row.
The sewage that Sewage treatment systems is disposed, it can reach certain water quality standard, is called middle water, can arrange or recycle in addition.Therefore all need during Sewage treatment systems water outlet to detect, judge that can water outlet ss index (suspended solids content), colorimetry-turbidity etc. reach requirement.
When summer, flooding quantity strengthened, usually can cause water outlet ss index and colorimetry-turbidity index exceeding standard, in order to reduce water outlet ss index, be generally by strengthening biological reaction tank, the treatment effect in the treatment process such as settling tank in prior art; Need to drop into larger cost.
Applicant studies discovery, the stage in summer, and sewage foam volume is very large.Analyze after deliberation, sewage foam comprises bio foam and physical foam, and bio foam produces primarily of the residual body particulate of dead mud of the residual body of thread fungus and a small amount of flocculating settling characteristics difference, physical foam mainly in water body flow process because the reasons such as disturbance drop produce.Because sewage industry ss mensuration is that the mode adopting filtration to weigh is measured, therefore wherein bio foam can affect ss index size; Foam particles is mingled in water simultaneously, can cause the increasing of colorimetry-turbidity; Result in index exceeding standard.
Therefore be necessary to consider how to design a kind of de-bubble system, to eliminate foam, and then reduce foam to the impact of effluent index, improve effluent characteristics.
Summary of the invention
For the deficiencies in the prior art, technical problem to be solved by this invention is, how to provide one can eliminate foam efficiently, and then reduces foam to the impact of effluent index, improves the contact tank inlet passage de-bubble system of effluent characteristics.
In order to solve the problems of the technologies described above, in the present invention, have employed following technical scheme:
A kind of contact tank inlet passage de-bubble system, it is characterized in that, comprise be linked in sequence the first inlet passage between second pond junction box and contact tank and the second inlet passage, be provided with suspension defoaming device in described first inlet passage, described second inlet passage water inlet place is provided with de-bubble mechanism; Described suspension defoaming device comprises the rectangular support frame of an entirety, support frame width and the first inlet passage width mate and the float support that corner is fixed on lower side is bubbled through the water column, support frame ties up on the gallery wall of the first inlet passage by static line, support frame is horizontally arranged with a de-bubble brush in face of the front end of water (flow) direction, de-bubble brush two ends are rotatably connected on support frame, the bristle of de-bubble brush bottom immerses underwater, and the bristle that de-bubble brushes portion surfaces; Described de-bubble mechanism comprises the water pipe be horizontally installed on the second inlet passage water inlet place width gallery wall, and water pipe is provided with a discharge water spouting nozzle obliquely along the second inlet passage water (flow) direction, and water pipe is connected with intermediate water pipeline system.
In de-bubble system of the present invention, when suspension defoaming device uses, water impact de-bubble brush rotates, and like this, the foam of water surface can be broken up by de-bubble brush, tentatively eliminates foam.Second inlet passage water inlet place is provided with de-bubble mechanism simultaneously, adopts the water pipe be connected with intermediate water pipeline to impact the water surface in de-bubble mechanism, eliminate foam further, reach the object eliminating foam, reduce foam to the impact of effluent index.
As optimization, in described suspension defoaming device, also comprise the Clad Steel silk screen being arranged on support frame rear end, immerse below the water surface before described double-layer wire half portion off the net is oblique.
Like this, Clad Steel silk screen can produce congregation to foam, the foam that part is not smashed by de-bubble brush and part are driven the foam floating to the water surface from current bottom all to be assembled by woven wire interception by the current that de-bubble brush rotates, after for some time collection completely, manually can salvage cleaning, improve de-bubble effect better.Wherein, woven wire adopts double-deck settings and bottom turns forward, and when can improve the congregational rate of foam and be convenient to salvaging, foam is attached on woven wire, conveniently salvages cleaning.During concrete enforcement, woven wire adopts the woven wire about 80 orders, can guarantee congregational rate preferably.
As optimization, described second inlet passage is folded to the first inlet passage and is connected, and the second inlet passage width is greater than the first inlet passage width.
After such optimization, two inlet passages are folded to connected, can energy dissipating better, and the second inlet passage width is larger simultaneously, thus current enter the second gallery after water speed slow down, avoid current too urgent and produce new bubble; Better can ensure the hydraulic detention time in contact tank simultaneously, avoid the too urgent impact on contact tank of current, guarantee sterilisation effect.
As further optimization, in described de-bubble mechanism, also comprise the energy dissipating baffle plate being positioned at the second inlet passage water inlet, the described vertical bottom of energy dissipating baffle plate there is not upstream face and is positioned at the first half position of water-in flow section, and energy dissipating baffle plate is evenly distributed with flowing hole.
Like this, energy dissipating baffle plate can better energy dissipating to slow down water speed; Simultaneously the position of energy dissipating baffle plate, makes the follow-up current of energy dissipating baffle plate present the feature sprung up from the bottom up, avoids broadening due to the second inlet passage and producing down stream and whirlpool in its water inlet place after being folded to and sweep across into air produces bubbles.Meanwhile, after energy dissipating baffle plate makes follow-up current spring up from the bottom up, the foam that current depths can be made to hide emerge and is broken by the current that water pipe penetrates, guaranteeing better de-bubble effect.
In sum, de-bubble system of the present invention, can eliminate foam very efficiently, and then reduces foam to the impact of effluent index, improves contact tank effluent characteristics.
Accompanying drawing explanation
Fig. 1 is the structural representation sketch that de-bubble system of the present invention overlooks direction.
Fig. 2 is the A-A face schematic diagram of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Shown in following Fig. 1 and Fig. 2, a kind of contact tank inlet passage de-bubble system, comprise the first inlet passage 1 and the second inlet passage 2 be linked in sequence between second pond junction box and contact tank, be provided with suspension defoaming device in described first inlet passage 1, described second inlet passage 2 water inlet place is provided with de-bubble mechanism; Described suspension defoaming device comprises the rectangular support frame 3 of an entirety, support frame 3 width and the first inlet passage width mate and float 4 support that corner is fixed on lower side is bubbled through the water column, support frame ties up on the gallery wall of the first inlet passage by static line, support frame 3 is horizontally arranged with a de-bubble brush 5 in face of the front end of water (flow) direction, de-bubble brush 5 two ends are rotatably connected on support frame 3, the bristle of de-bubble brush 5 bottom immerses underwater, and the bristle on de-bubble brush 5 top surfaces; Described de-bubble mechanism comprises the water pipe 6 be horizontally installed on the second inlet passage water inlet place width gallery wall, and water pipe 6 is provided with a discharge water spouting nozzle 10 obliquely along the second inlet passage water (flow) direction, and water pipe 6 is connected with intermediate water pipeline system.In described suspension defoaming device, also comprise the Clad Steel silk screen 7 being arranged on support frame 3 rear end, immerse below the water surface before described Clad Steel silk screen 7 Lower Half is oblique.Described second inlet passage 2 is folded to the first inlet passage 1 and is connected, and the second inlet passage 2 width is greater than the first inlet passage width.In described de-bubble mechanism, also comprise the energy dissipating baffle plate 8 being positioned at the second inlet passage 2 water inlet, described energy dissipating baffle plate 8 bottom there is not upstream face and is positioned at the first half position of water-in flow section, energy dissipating baffle plate 8 is evenly distributed with flowing hole 9.
When this de-bubble system uses, current first flow through de-bubble brush in the first inlet passage, de-bubble brush rotates to be smashed the foam of the water surface, drives current by the foam of current bottom to the floating place water surface simultaneously, and is tackled by Clad Steel silk screen together with the not broken foam of part.Within 1-2 days, amass completely, manually salvage cleaning, when specifically implementing, woven wire adopts the woven wire about 80 orders, can guarantee congregational rate preferably.Current continue to flow into the second inlet passage, and the second inlet passage is folded to setting and width is larger, therefore can energy dissipating slow down well, avoid new bubble to produce.Second inlet passage water inlet place is provided with the de-bubble mechanism comprising water pipe and energy dissipating baffle plate, the energy dissipating baffle plate wherein arranged can better energy dissipating to slow down water speed; Simultaneously the position of energy dissipating baffle plate, makes the follow-up current of energy dissipating baffle plate present the feature sprung up from the bottom up, avoids broadening due to the second inlet passage and producing down stream and whirlpool in its water inlet place after being folded to and sweep across into air produces bubbles.Simultaneously, after energy dissipating baffle plate makes follow-up current spring up from the bottom up, the foam that current depths can be made to hide emerge and is broken by the current that water pipe penetrates, guaranteeing better de-bubble effect, and then reduce foam to the impact of effluent index, improve contact tank effluent characteristics.
Claims (3)
1. a contact tank inlet passage de-bubble system, it is characterized in that, comprise be linked in sequence the first inlet passage between second pond junction box and contact tank and the second inlet passage, be provided with suspension defoaming device in described first inlet passage, described second inlet passage water inlet place is provided with de-bubble mechanism; Described suspension defoaming device comprises the rectangular support frame of an entirety, support frame width and the first inlet passage width mate and the float support that corner is fixed on lower side is bubbled through the water column, support frame ties up on the gallery wall of the first inlet passage by static line, support frame is horizontally arranged with a de-bubble brush in face of the front end of water (flow) direction, de-bubble brush two ends are rotatably connected on support frame, the bristle of de-bubble brush bottom immerses underwater, and the bristle that de-bubble brushes portion surfaces; Described de-bubble mechanism comprises the water pipe be horizontally installed on the second inlet passage water inlet place width gallery wall, and water pipe is provided with a discharge water spouting nozzle obliquely along the second inlet passage water (flow) direction, and water pipe is connected with intermediate water pipeline system; In described suspension defoaming device, also comprise the Clad Steel silk screen being arranged on support frame rear end, immerse below the water surface before described double-layer wire half portion off the net is oblique.
2. contact tank inlet passage de-bubble system as claimed in claim 1, it is characterized in that, described second inlet passage is folded to the first inlet passage and is connected, and the second inlet passage width is greater than the first inlet passage width.
3. contact tank inlet passage de-bubble system as claimed in claim 2, it is characterized in that, in described de-bubble mechanism, also comprise the energy dissipating baffle plate being positioned at the second inlet passage water inlet, described energy dissipating baffle plate bottom there is not upstream face and is positioned at the first half position of water-in flow section, and energy dissipating baffle plate is evenly distributed with flowing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697147.6A CN103613156B (en) | 2013-12-19 | 2013-12-19 | Bubble removal system for contact tank water inlet corridors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697147.6A CN103613156B (en) | 2013-12-19 | 2013-12-19 | Bubble removal system for contact tank water inlet corridors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103613156A CN103613156A (en) | 2014-03-05 |
| CN103613156B true CN103613156B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310697147.6A Expired - Fee Related CN103613156B (en) | 2013-12-19 | 2013-12-19 | Bubble removal system for contact tank water inlet corridors |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106477661B (en) * | 2015-08-26 | 2019-10-25 | 宝山钢铁股份有限公司 | A kind of waste water defoaming device and its bubble removing method |
| CN106984069B (en) * | 2017-05-15 | 2018-10-19 | 中国水利水电科学研究院 | A kind of spiral-flow type debubbling method |
| CN107176641A (en) * | 2017-05-15 | 2017-09-19 | 中国水利水电科学研究院 | A kind of spiral-flow type defoaming device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838044A (en) * | 2010-03-17 | 2010-09-22 | 哈尔滨工业大学 | Method and device for eliminating foam Lurgi furnance coal gas wastewater treatment process |
| CN102515351A (en) * | 2011-12-15 | 2012-06-27 | 哈尔滨工业大学 | Biological thickening device for reducing pollutants in coal chemical industry wastewater |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013034922A (en) * | 2011-08-04 | 2013-02-21 | Mitsubishi Heavy Ind Ltd | Foam sampler of used discharge seawater |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838044A (en) * | 2010-03-17 | 2010-09-22 | 哈尔滨工业大学 | Method and device for eliminating foam Lurgi furnance coal gas wastewater treatment process |
| CN102515351A (en) * | 2011-12-15 | 2012-06-27 | 哈尔滨工业大学 | Biological thickening device for reducing pollutants in coal chemical industry wastewater |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2013-34922A 2013.02.21 * |
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