CN103630663B - Method for improving detection accuracy of effluent index of contact tank - Google Patents
Method for improving detection accuracy of effluent index of contact tank Download PDFInfo
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- CN103630663B CN103630663B CN201310697143.8A CN201310697143A CN103630663B CN 103630663 B CN103630663 B CN 103630663B CN 201310697143 A CN201310697143 A CN 201310697143A CN 103630663 B CN103630663 B CN 103630663B
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Abstract
The invention discloses a method for improving the detection accuracy of an effluent index of a contact tank. The method is characterized in that before effluent detection, a water inlet gallery of the contact tank is designed and comprises a first inlet gallery and a second inlet gallery which are connected between a junction well of a secondary sedimentation tank and the contact tank in sequence; the first inlet gallery and the second inlet gallery are in deflected connection; the width of the second inlet gallery is greater than that of the first inlet gallery; a de-foaming mechanism for de-foaming is arranged at a water inlet part of the second inlet gallery. According to the method for improving the detection accuracy of the effluent index of the contact tank, a water treatment process does not need to be improved and a foam eliminating manner is used for preventing the detection from being influenced by foams; effluent detection parameters of the contact tank are reduced by lower cost; meanwhile, the detection accuracy and the detection reliability of the effluent index are improved and the detection standard-reaching rate is improved.
Description
Technical field
The present invention relates to a kind of sewage disposal system contact chamber water outlet detection technique, especially a kind of method that can improve contact chamber effluent index accuracy in detection.
Background technology
Contact chamber, has another name called disinfecting tank, is in the sewage disposal system 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 disposal system is disposed, it can reach certain water quality standard, is called middle water, can arrange or recycle in addition.Therefore all need during sewage disposal system water outlet to detect, judge that can water outlet ss index (suspended solids content), colorimetry-turbidity etc. reach requirement.
When summer, inflow 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 pool, the treatment effect in the treatment process such as settling basin in prior art; Need to drop into larger cost.
Summary of the invention
For the deficiencies in the prior art, technical matters to be solved by this invention is, how to provide a kind of with less cost, contact chamber water outlet detected parameters to be reduced, improve the method for the raising contact chamber effluent index accuracy in detection of effluent index accuracy of detection and reliability.
In order to solve the problems of the technologies described above, in the present invention, have employed following technical scheme:
A kind of method improving contact chamber effluent index accuracy in detection, it is characterized in that, before water outlet detects, be designed to the inlet passage of contact chamber to comprise be linked in sequence the first inlet passage between second pond junction box and contact chamber and the second inlet passage, 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; And de-bubble mechanism is set in the second inlet passage water inlet place carries out de-bubble.
Applicant researchs and analyses discovery, stage in summer, sewage foam volume is very large, further analysis sewage foam comprises bio foam and physical foam, bio foam produces primarily of the residual body particulate of dead mud of the residual body of der Pilz 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 detecting reliability difference, Testing index is inaccurate, easily exceeds standard.Therefore the inlet passage of contact chamber is designed to be folded to the second connected inlet passage and the first inlet passage by applicant, and the second inlet passage width is greater than the first inlet passage width.Like this, 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 chamber simultaneously, avoid the too urgent impact on contact chamber of current, guarantee Disinfection Effect, improve and finally detect percent of pass.Meanwhile, and de-bubble mechanism be set in the second inlet passage water inlet place carry out de-bubble; Avoid foam to the impact detected, and then reach reduction contact chamber water outlet detected parameters, improve the effect of effluent index accuracy in detection and reliability.
As optimization, 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 (operating) water nozzle obliquely along the second inlet passage water (flow) direction, and water pipe is connected with intermediate water pipeline system; 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 inlet flow section, and energy dissipating baffle plate is evenly distributed with flowing hole; During use, energy dissipating baffle plate is used for energy dissipating and slows down water speed and the follow-up current of energy dissipating baffle plate are sprung up from the bottom up, the foam that current depths is hidden emerges and is broken by the current that water pipe penetrates, guaranteeing better de-bubble effect.
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; And then reduce contact chamber water outlet detected parameters, can be up to standard better.
As optimization, suspension defoaming device is set in the first inlet passage of contact chamber further to eliminate foam in water inlet current; Described suspension defoaming device, comprise the support frame that an entirety is rectangular, 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, and the bristle of de-bubble brush bottom immerses underwater, and the bristle that de-bubble brushes portion surfaces; In 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; When suspension defoaming device uses, de-bubble brush is used for tentatively smashing water surface foam and driving water-bed foam to float, and clad steel silk screen remains foam and after a period of time collection completely, by manually salvaging cleaning for tackling to assemble.
After such optimization, when the suspension defoaming device of employing 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; 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, and after a period of 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.Woven wire adopts the woven wire about 80 orders, can guarantee congregational rate preferably.Therefore after optimizing, drastically increase de-bubble effect, ensure that contact chamber effluent index detection accuracy.
In sum, the present invention without the need to improving water technology, but avoids foam on the impact detected in the mode eliminating foam, can with less cost, reduce contact chamber water outlet detected parameters, improve effluent index accuracy of detection and reliability simultaneously, improve and detect compliance rate.
Accompanying drawing explanation
The de-bubble system that Fig. 1 adopts when being the invention process overlooks the structural representation sketch in 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.
A kind of method improving contact chamber effluent index accuracy in detection, its improvement is, before water outlet detects, the inlet passage of contact chamber is designed to the inlet passage with de-bubble system, to eliminate foam, and then avoid foam on the impact of effluent index testing process, to reduce detected parameters and to improve detection accuracy.
Shown in following Fig. 1 and Fig. 2 of wherein 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 chamber, 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 (operating) water 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 inlet flow section, energy dissipating baffle plate 8 is evenly distributed with flowing hole 9.
When the de-bubble system adopted in the present invention 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 chamber effluent characteristics.
Claims (2)
1. one kind is improved the method for contact chamber effluent index accuracy in detection, it is characterized in that, before water outlet detects, be designed to the inlet passage of contact chamber to comprise be linked in sequence the first inlet passage between second pond junction box and contact chamber and the second inlet passage, 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; And de-bubble mechanism is set in the second inlet passage water inlet place carries out de-bubble; 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 (operating) water nozzle obliquely along the second inlet passage water (flow) direction, and water pipe is connected with intermediate water pipeline system; 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 inlet flow section, and energy dissipating baffle plate is evenly distributed with flowing hole; During use, energy dissipating baffle plate is used for energy dissipating and slows down water speed and the follow-up current of energy dissipating baffle plate are sprung up from the bottom up, the foam that current depths is hidden emerges and is broken by the current that water pipe penetrates, guaranteeing better de-bubble effect.
2. the method improving contact chamber effluent index accuracy in detection as claimed in claim 1, is characterized in that, arranges suspension defoaming device to eliminate foam in water inlet current in the first inlet passage of contact chamber; Described suspension defoaming device, comprise the support frame that an entirety is rectangular, 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, and the bristle of de-bubble brush bottom immerses underwater, and the bristle that de-bubble brushes portion surfaces; In 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; When suspension defoaming device uses, de-bubble brush is used for tentatively smashing water surface foam and driving water-bed foam to float, and clad steel silk screen remains foam and after a period of time collection completely, by manually salvaging cleaning for tackling to assemble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697143.8A CN103630663B (en) | 2013-12-19 | 2013-12-19 | Method for improving detection accuracy of effluent index of contact tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310697143.8A CN103630663B (en) | 2013-12-19 | 2013-12-19 | Method for improving detection accuracy of effluent index of contact tank |
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| CN103630663A CN103630663A (en) | 2014-03-12 |
| CN103630663B true CN103630663B (en) | 2015-04-01 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104843848A (en) * | 2015-04-29 | 2015-08-19 | 四川和鼎环保工程有限责任公司 | Oxidation ditch for mechanically eliminating bubbles |
| CN104843857A (en) * | 2015-04-29 | 2015-08-19 | 四川和鼎环保工程有限责任公司 | Oxidation ditch using air-injecting extrusion for defoaming |
Citations (7)
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| CN1167447A (en) * | 1994-11-09 | 1997-12-10 | 安德泽杰·古尔茨 | Activated sludge degassing process and device |
| JP2002239533A (en) * | 2001-02-21 | 2002-08-27 | Nippon Shokubai Co Ltd | Wastewater treatment method |
| CN201458880U (en) * | 2009-07-13 | 2010-05-12 | 煤炭科学研究总院杭州环境保护研究所 | Multiple oxidation pretreatment system for organic electroplating waste water |
| CN201525772U (en) * | 2009-09-20 | 2010-07-14 | 浙江华强环境科技有限公司 | Carbon dioxide removing device in mineral water production |
| 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 |
| CN102040276A (en) * | 2010-12-28 | 2011-05-04 | 哈尔滨工业大学深圳研究生院 | Ozone contact tank and ozone contact method |
| JP2013034922A (en) * | 2011-08-04 | 2013-02-21 | Mitsubishi Heavy Ind Ltd | Foam sampler of used discharge seawater |
-
2013
- 2013-12-19 CN CN201310697143.8A patent/CN103630663B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167447A (en) * | 1994-11-09 | 1997-12-10 | 安德泽杰·古尔茨 | Activated sludge degassing process and device |
| JP2002239533A (en) * | 2001-02-21 | 2002-08-27 | Nippon Shokubai Co Ltd | Wastewater treatment method |
| CN201458880U (en) * | 2009-07-13 | 2010-05-12 | 煤炭科学研究总院杭州环境保护研究所 | Multiple oxidation pretreatment system for organic electroplating waste water |
| CN201525772U (en) * | 2009-09-20 | 2010-07-14 | 浙江华强环境科技有限公司 | Carbon dioxide removing device in mineral water production |
| 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 |
| CN102040276A (en) * | 2010-12-28 | 2011-05-04 | 哈尔滨工业大学深圳研究生院 | Ozone contact tank and ozone contact method |
| JP2013034922A (en) * | 2011-08-04 | 2013-02-21 | Mitsubishi Heavy Ind Ltd | Foam sampler of used discharge seawater |
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