CN201140997Y - Oxygen-enriched reflux sedimentation basin - Google Patents

Oxygen-enriched reflux sedimentation basin Download PDF

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Publication number
CN201140997Y
CN201140997Y CNU2007200754574U CN200720075457U CN201140997Y CN 201140997 Y CN201140997 Y CN 201140997Y CN U2007200754574 U CNU2007200754574 U CN U2007200754574U CN 200720075457 U CN200720075457 U CN 200720075457U CN 201140997 Y CN201140997 Y CN 201140997Y
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CN
China
Prior art keywords
tank body
main tank
water
oxygen
adds
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Expired - Lifetime
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CNU2007200754574U
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Chinese (zh)
Inventor
郑毓佩
许嘉炯
沈裘昌
郑国兴
雷挺
汤伟
张辰
张峰
汤剑青
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Shanghai Municipal Engineering Design Insitute Group Co Ltd
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Shanghai Municipal Engineering Design Insitute Group Co Ltd
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Priority to CNU2007200754574U priority Critical patent/CN201140997Y/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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Abstract

The utility model discloses an oxygen enrichment refluxing sedimentation tank, which is characterized in that a water inlet end of a main tank body is provided with a strengthening aeration zone, an aeration pipeline is arranged in the strengthening aeration zone, the strengthening aeration zone is communicated with a mixing agitation zone which is communicated with a lifting agitation zone, a condensing sludge discharge zone is disposed at the bottom part of a water outlet side of the main tank body, a blower is arranged at the outside of the main tank body, and the blower is connected with the aeration pipeline. All parts of the utility model are in close fit through pipelines, and have advantages of more reasonable structure and uniform water distribution than other common sedimentation tanks and clarification tanks. An aerating system provides sludge microorganisms in the tank with enough dissolved oxygen to strengthen the biological action. The sedimentation tank can give full play to indexes such as biological degradation of organic, nitrogen and phosphorus, and further reduce the occupying area of the tank body, amplify the treatment scale and solve the problems of low surface load rate, uneven water exit and insufficient dissolved oxygen in water in the sedimentation process.

Description

A kind of oxygen-enriched reflux sedimentation tank
Technical field:
The utility model relates to the technical field of biological action settling tank, specifically a kind ofly is used for the oxygen-enriched reflux sedimentation tank that water supply plant conventional processing, Sewage Plant are handled and extraordinary water treatment biological degradation combines with the mixed flocculation precipitating action.
Background technology:
The conventional pond type that is used for waterworks conventional processing, Sewage Plant processing and extraordinary water treatment deposition technology both at home and abroad has horizontal sedimentation tank, accelerator and tube settler etc.The advantage of horizontal sedimentation tank is simple in structure, shock-resistant and manageability, but floor space is big, and the spoil disposal water yield is many, especially northern low temperature and low turbidity water poor processing effect.The shortcoming of the accelerator that area is less is body refuse concentration generally by settling ratio control, and effluent quality is wayward.Then there is the uneven and restriction such as can't maximize of water distribution in tube settler.Ammonia nitrogen and organic content improve day by day and influence under the situation of sedimentation effect in present raw water quality, need a kind of novel settling tank of invention to guarantee the Inlet and outlet water even water distribution, has stronger capacity of resisting impact load, further reduce the floor space of settling tank, and bigger improvement is arranged at aspects such as giving full play to the further amplification of biological degradation and treatment scale.
The utility model content:
The purpose of this utility model provides a kind of oxygen-enriched reflux sedimentation tank, it can give full play to indexs such as biological degradation organism, nitrogen and phosphorus, further reduce pond body floor space, amplify treatment scale, solve that surfaceloadingrate in the precipitation process is not high, water outlet is inhomogeneous and the problem of aspect such as oxygen in water deficiency.
To achieve these goals, the technical solution of the utility model is: a kind of oxygen-enriched reflux sedimentation tank, it mainly comprises main tank body, the water inlet pipe that is connected with the main tank body feed-water end, it is characterized in that the main tank body feed-water end is provided with the enhanced aeration district, enhanced aeration is provided with aerating pipelines in the district, the enhanced aeration district is communicated with the mixing stirring area, mixing stirring area is communicated with the lifting stirring area, mix in the stirring area and be provided with mixing and blending machine, promote in the stirring area and be provided with the lifting stirrer, main tank body water outlet side bottom is provided with concentrated soil discharging area, and concentrated soil discharging area is provided with concentrated mud scraper, and main tank body water outlet side top is provided with water distribution weir and baffle system, this water distribution weir and baffle system are communicated with plastics inclined tube district and stainless steel water outlet rectangular tank, at main tank body outer setting mud spiral pump, mud spiral pump one end is connected with main tank body spoil disposal enrichment region, and the mud spiral pump the other end is connected with the hybrid reaction district, at main tank body outer setting gas blower, gas blower is connected with aerated conduit.The water inlet pipe that is positioned at the main tank body outside is provided with medicament and adds a little, and main tank body inside also is provided with medicament and adds a little.The water inlet pipe that is positioned at the main tank body outside is provided with that pre-ozone adds point, potassium permanganate adds a little and the coagulant dosage point, and main tank body inside is provided with that Powdered Activated Carbon adds point, diatomite adds a little and PAM adds a little.Wherein promote stirring area and be provided with that Powdered Activated Carbon adds point, diatomite adds a little, mix stirring area and be provided with PAM and add a little.Be provided with the muddy water reflux pump between bottom, plastics inclined tube district and the lifting stirrer accessory stainless steel cylinder.
Wherein said lifting stirrer, mud spiral pump and gas blower are connected with variable-frequency motor; Described concentrated mud scraper bottom has the stirring grizzly bar.
The utility model adds by the pond body layout of compactness, corresponding mechanical means and various medicaments, realize the efficient function of handling of each, the high-speed mixing stirrer is guaranteed oxygenant, coagulating agent and returned sluge and former water thorough mixing, be located at the lifting stirrer of pool center band variable-frequency motor and the thorough mixing that attached cylindrical shell has been realized Yuan Shui and the inner active sludge of pond body together, can be in actually operating according to the variation flexible of flooding velocity; Body influent side enhanced aeration district, pond is provided with aerating system and provides enough air and duration of contact by the gas blower of being with frequency conversion according to flooding velocity and raw water quality, can effectively improve oxygen in water content, further enhanced biological effect; Establish multiple tracks water distribution weir and baffle plate in the body of pond, make pond body each several part water distribution more even, be easier to the formation of alumen ustum, the inclined tube and the rectangular tank in flocculation sediment district are guaranteed effluent quality; The various medicaments multi-point adding is realized in the inside and outside, pond, further the strengthening physical throwing out; The concentrated mud scraper at a slow speed of being located at body bottom, pond makes mud focus on center backflow or discharging, and the stirring grizzly bar of setting up helps concentrating of bottom mud.Also can be provided with the sludge concentration meter in body inside, pond, jointly control, realize that mud refluxes and mud discharges in good time with the mud spiral pump.Advantage of the present utility model is, it can give full play to indexs such as biological degradation organism, nitrogen and phosphorus, further reduce pond body floor space, amplify treatment scale, solve that surfaceloadingrate in the precipitation process is not high, water outlet is inhomogeneous and the problem of aspect such as oxygen in water deficiency.
Description of drawings:
Fig. 1 is a floor map of the present utility model
Fig. 2 is the sectional view along the A-A line among Fig. 1
Fig. 3 is the sectional view along the B-B line among Fig. 1
Fig. 4 is the sectional view along the C-C line among Fig. 1
Embodiment:
Below in conjunction with drawings and Examples the utility model is further described.
The utility model is a kind of oxygen-enriched reflux sedimentation tank, as shown in Figure 1, it mainly comprises main tank body, the water inlet pipe 12 that is connected with main tank body 2 feed-water ends, it is characterized in that main tank body 2 feed-water ends are provided with the enhanced aeration district, be provided with aerating pipelines 15 in the enhanced aeration district, the enhanced aeration district is communicated with the mixing stirring area, mixing stirring area is communicated with the lifting stirring area, mix in the stirring area and be provided with mixing and blending machine 3, promote to be provided with in the stirring area and promote stirrer 4 and accessory stainless steel cylinder 5 thereof, main tank body 2 water outlet sides bottom is provided with concentrated soil discharging area 11, main tank body 2 water outlet side tops are provided with water distribution weir and baffle system 10, concentrated mud scraper 6 is set in the concentrated soil discharging area 11, this water distribution weir and baffle system 10 are communicated with plastics inclined tube district 8 and stainless steel water outlet rectangular tank 9, in the pond external body mud spiral pump 7 is set, be connected with settling tank bottom concentrated soil discharging area 11 by sludge pipe 14, and receive and mix near the stirring area, in the pond external body gas blower 16 being set is connected with aerating pipelines system 15 by tracheae 13, mixing and blending machine 3 and lifting stirrer 4 lower space can be used as transmission-line control room 17, the external water inlet pipe 12 in pond is provided with pre-ozone and adds a little 18, potassium permanganate adds a little 19 and add coagulating agent point 20, body inside, pond is provided with gac and adds a little 21, diatomite add a little 22 and PAM add a little 23, consider instant control in mud mud position and reinforcement backflow effect in the body of pond, in main tank body 2, arrange muddy water reflux pump 24 near the plastics inclined tube district 8, plastics inclined tube district 8 bottom muddy water are back near the stainless steel cylinder 5.It is different from the prior art part and is: the spissated major equipment mixing and blending machine 3 of flocculation reaction deposition and mud, lifting stirrer 4 and attached stainless steel cylinder 5, aerating pipelines system 15, muddy water reflux pump 24, mud scraper 6, plastics inclined tube district 8 and stainless steel water outlet rectangular tank 9 all are located in the settling tank 1, and closely cooperate by sludge pipe 14 with spiral pump system 7, aerating pipelines system 15 provides source of the gas by gas blower 16, than other settling tank commonly used and settling pond more compact structure, water distribution is more even, and biological action is stronger.Promote stirrer 4, mud spiral pump 7 and gas blower 16 by variable-frequency motor control, can more can guarantee effluent quality than other settling tank commonly used and settling pond according to actual service condition flexible.During use, outside main tank body, add pre-ozone 18, the former water of potassium permanganate 19 and coagulating agent 20 is through mixing near mixing and blending machine 3 with the returned sluge of spiral pump 7 and through mixing and blending machine 3 thorough mixing, in promoting stirrer 4 and 5 liftings of attached stainless steel cylinder and pond, add Powdered Activated Carbon 21 again behind the active sludge thorough mixing, diatomite 22 and PAM23, after water distribution and baffle system 10 cloth water distributions, by inclined tube district 8 and the 9 back water outlets of water outlet rectangular tank, body bottom, pond mud amasss in the reaction sludge discharging area 11 of settling tank 1 bottom after mud scraper 6 promotes and concentrates, reflux by mud spiral pump 7, unnecessary mud regularly discharges, be control 8 times mud positions, plastics inclined tube district, the 8 times higher concentration muddy water in plastics inclined tube district directly be back near the stainless steel cylinder 5 by muddy water reflux pump 24.Wherein the control of mixing and blending machine 3, variable-frequency motor promotes that stirrer 4 and attached stainless steel cylinder 5 thereof, mud scraper 6, mud spiral pump 7, aerating pipelines system 15, gas blower 16, pre-ozone add a little 18, potassium permanganate adds a little 19, add coagulating agent point 20, gac adds a little 21, diatomite adds a little 22, PAM adds a little 23, muddy water reflux pump 24, plastics inclined tube district 8, stainless steel water outlet rectangular tank 9 and water distribution and baffle system 10 technology belong to prior art, is not described in detail at this.

Claims (5)

1. oxygen-enriched reflux sedimentation tank, it mainly comprises main tank body, the water inlet pipe that is connected with the main tank body feed-water end, it is characterized in that the main tank body feed-water end is provided with the enhanced aeration district, enhanced aeration is provided with aerating pipelines in the district, the enhanced aeration district is communicated with the mixing stirring area, mixing stirring area is communicated with the lifting stirring area, mix in the stirring area and be provided with mixing and blending machine, promote in the stirring area and be provided with the lifting stirrer, main tank body water outlet side bottom is provided with concentrated soil discharging area, concentrated soil discharging area is provided with concentrated mud scraper, main tank body water outlet side top is provided with water distribution weir and baffle system, and this water distribution weir and baffle system are communicated with plastics inclined tube district and stainless steel water outlet rectangular tank, at main tank body outer setting mud spiral pump, mud spiral pump one end is connected with main tank body spoil disposal enrichment region, the mud spiral pump the other end is connected with the hybrid reaction district, and at main tank body outer setting gas blower, gas blower is connected with aerated conduit.
2. a kind of oxygen-enriched reflux sedimentation tank as claimed in claim 1 is characterized in that: the water inlet pipe that is positioned at the main tank body outside is provided with medicament and adds a little, and main tank body inside also is provided with medicament and adds a little.
3. a kind of oxygen-enriched reflux sedimentation tank as claimed in claim 2, it is characterized in that: the water inlet pipe that is positioned at the main tank body outside is provided with that pre-ozone adds point, potassium permanganate adds a little and the coagulant dosage point, promote stirring area and be provided with that Powdered Activated Carbon adds point, diatomite adds a little, mix stirring area and be provided with PAM and add a little.
4. a kind of oxygen-enriched reflux sedimentation tank as claimed in claim 1 is characterized in that: be provided with the muddy water reflux pump between bottom, plastics inclined tube district and the lifting stirrer accessory stainless steel cylinder.
5. a kind of oxygen-enriched reflux sedimentation tank as claimed in claim 1 is characterized in that: lifting stirrer, mud spiral pump are connected with variable-frequency motor with gas blower, and the concentrated mud scraper bottom has the stirring grizzly bar.
CNU2007200754574U 2007-10-15 2007-10-15 Oxygen-enriched reflux sedimentation basin Expired - Lifetime CN201140997Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200754574U CN201140997Y (en) 2007-10-15 2007-10-15 Oxygen-enriched reflux sedimentation basin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200754574U CN201140997Y (en) 2007-10-15 2007-10-15 Oxygen-enriched reflux sedimentation basin

Publications (1)

Publication Number Publication Date
CN201140997Y true CN201140997Y (en) 2008-10-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109399775A (en) * 2018-12-11 2019-03-01 湖南海珊水产养殖有限公司 A kind of band scrapes the recirculating water purification processing pond of mud function
CN110590073A (en) * 2019-10-10 2019-12-20 朱兆明 Municipal sewage treatment system and municipal sewage treatment method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109399775A (en) * 2018-12-11 2019-03-01 湖南海珊水产养殖有限公司 A kind of band scrapes the recirculating water purification processing pond of mud function
CN110590073A (en) * 2019-10-10 2019-12-20 朱兆明 Municipal sewage treatment system and municipal sewage treatment method thereof

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Granted publication date: 20081029

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