CN202808516U - Novel underground water defluorination device - Google Patents

Novel underground water defluorination device Download PDF

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Publication number
CN202808516U
CN202808516U CN 201220510288 CN201220510288U CN202808516U CN 202808516 U CN202808516 U CN 202808516U CN 201220510288 CN201220510288 CN 201220510288 CN 201220510288 U CN201220510288 U CN 201220510288U CN 202808516 U CN202808516 U CN 202808516U
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CN
China
Prior art keywords
unit
water
fluorine
quartz sand
underground water
Prior art date
Application number
CN 201220510288
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Chinese (zh)
Inventor
刘成
陈卫
姜成浩
张谦
Original Assignee
河海大学
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Priority to CN 201220510288 priority Critical patent/CN202808516U/en
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Publication of CN202808516U publication Critical patent/CN202808516U/en

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Abstract

The utility model provides a novel underground water defluorination device which comprises a water inlet unit, a clearing unit, a spherical hydroxyapatite filtering unit and a quartz sand filtering unit, wherein the water inlet unit, the clearing unit and the spherical hydroxyapatite filtering unit are sequentially connected, the spherical hydroxyapatite filtering unit is arranged at the top of the clearing unit, and the quartz sand filtering unit is arranged at the top of the spherical hydroxyapatite filtering unit or independently arranged. The novel underground water defluorination device is simple in structure, convenient to use and low in cost, strengthens the removing effect of fluorine in underground water by means of induction of the spherical hydroxyapatite filtering unit, improves the removing efficiency of fluorinion, ensures high quality of outlet water, and particularly has adaptability on underground water with high initial concentration.

Description

A kind of new Removal of Fluorine From Underground Water device
Technical field
The utility model belongs to the ground water cleaning field, relates to a kind of Removal of Fluorine From Underground Water device.
Background technology
The groundwater pollution complex of China, except Shanghai City, all there is the groundwater pollution problem in national each province, relates to nearly hundred million people of population.Particularly taking in the fluorosis that causes behind the fluorine in the tap water, is worldwide serious problems.
Existing Removal of Fluorine From Underground Water technology mainly comprises coagulation sedimentation, activated alumina absorption method, electroosmose process, reverse osmosis method, ion exchange method, absorption method, bone black absorption and zeolite defluorination method etc., but all there is certain problem in various technology in actual application, it is applied have certain difficulty.Hydroxyapatite is for being used in the recent period a kind of respond well novel material of Removal of Fluorine From Underground Water, because material itself does not have toxic action to be subject to extensive concern.The form of hydroxyapatite comprises powder-material and form of spherical particles filtrate, and is applied in some Practical Projects.
CN201210102971.8 discloses a kind of Removal of Fluorine From Underground Water device and defluorination method, powdery hydroxyapatite, coagulating agent are mixed use, and the flco that passes through both formation makes up the clarification unit, realized the recycling of powdery hydroxyapatite, significantly reduce simultaneously the usage quantity of coagulating agent, reduced the probability that aluminum ion exceeds standard in the water outlet.But this device or method may run into following problem in actual applications: for the higher underground water of fluorine content, need very high coagulating agent and the consumption of hydroxyapatite; Device has adopted upward flow filtration as the barrier of controlling out water suspension, therefore needs the flow of strict control device water inlet to guarantee that water suspension satisfies the effluent quality requirement.In view of these problems, need the new Removal of Fluorine From Underground Water device of research and development further to improve the removal effect of fluorion in the underground water, and guarantee that effluent quality reaches new water quality standard for drinking water requirement comprehensively.
The utility model content
The utility model purpose: the purpose of this utility model provides the Removal of Fluorine From Underground Water device that a kind of defluorination effect is good, cost is low.
Technical scheme: a kind of new Removal of Fluorine From Underground Water device that the utility model provides, comprise the water inlet unit (1), clarification unit (2) and the spherical hydroxyapatite filtering unit (3) that connect successively, also comprise quartz sand filtration unit (4), described spherical hydroxyapatite filtering unit (3) is located at clarification top, unit (2), and described quartz sand filtration unit (4) is located at spherical hydroxyapatite filtering unit (3) top or is arranged separately; Described water inlet unit (1) comprises the first water inlet pipe (11) and is located at successively intake pump (12), coagulant dosage device (13), powder hydroxyapatite throwing device (14) and tube mixer (15) on the first water inlet pipe (11); Described clarification unit (2) sidewall is provided with sewage draining exit (21); Be provided with spherical hydroxyapatite filter material layer in the described spherical hydroxyapatite filtering unit (3), described spherical hydroxyapatite filtering unit (3) top is provided with perforation header (5), and described perforation header (5) one ends are provided with the first rising pipe (6); Be provided with the quartz sand filter media layer in the described quartz sand filtration unit (4), top, described quartz sand filtration unit (4) is provided with the second water inlet pipe (41), the bottom is provided with the second rising pipe (42).
As a kind of improvement of the utility model Removal of Fluorine From Underground Water device, also comprise perforation water dispensing board (7), described perforation water dispensing board (7) is located between clarification unit (2) and the spherical hydroxyapatite filtering unit (3); Thereby avoid on the one hand that material pollutes mutually between each layer, raising device work-ing life, also play on the other hand the effect of water distribution; As preferably, described perforation water dispensing board (7) aperture is 0.5-0.8mm.
Another kind as the utility model Removal of Fluorine From Underground Water device improves, and also comprises supporting seat (8), and described supporting seat (8) is located at bottom, clarification unit (3); Thereby make this device more stable.
Another kind as the utility model Removal of Fluorine From Underground Water device improves, and also comprises filtration unit (43), and described filtration unit (43) is located in the quartz sand filtration unit (4); Thereby quartz sand can effectively be filtered, the Effective Raise effluent quality; As preferably, described filtration unit (43) is the strainer head filtration unit, and described strainer head filtration unit can be used as the water distribution system of back flushing.
Another kind as the utility model Removal of Fluorine From Underground Water device improves, and described spherical hydroxyapatite filter material layer thickness is more than the 50cm, and spherical hydroxyapatite particle diameter of filter medium is 0.8-1.5mm; Thereby the raising defluorination effect improves effluent quality.
Another kind as the utility model Removal of Fluorine From Underground Water device improves, and described quartz sand filter media layer thickness is more than the 80cm, and the quartz sand filter media particle diameter is 0.5-1.35mm; Thereby Effective Raise effluent quality.
Another kind as the utility model Removal of Fluorine From Underground Water device improves, and the upflow velocity of current is 4.0-6.0m/h in the described clarification unit (2), and hydraulic detention time is below the 20min; Thereby guaranteed that defluorination effect has improved effluent quality on the one hand, can improve fluorine removing rate on the other hand.
Beneficial effect: a kind of new Removal of Fluorine From Underground Water apparatus structure that the utility model provides is simple, easy to use, with low cost, strengthened removal usefulness to fluorine in the underground water by the introducing of spherical hydroxyapatite filtering unit, improve the removal efficient of fluorion, guaranteed higher effluent quality; Underground water for high starting point concentration has preferably suitability especially.
This device has adopted homogeneous quartz sand filter media filtration unit, has significantly increased the water environment capacity of filtration fraction, has prolonged backwashing period; This device adopts the combined water and air backwash mode significantly to reduce the wastewater flow rate of back flushing, has reduced follow-up disposal costs; In addition, this device has improved the operation conditions of clarification unit, and upflow velocity is increased greatly, has significantly increased the processing power of device.
Description of drawings
Fig. 1 is the structural representation of the split type Removal of Fluorine From Underground Water device of the utility model embodiment 1.
Fig. 2 is the structural representation of the integral type Removal of Fluorine From Underground Water device of the utility model embodiment 2.Wherein, Reference numeral is respectively: 1 for the water inlet unit, 2 for the clarification unit, 3 for spherical hydroxyapatite filtering unit, 4 for the quartz sand filtration unit, 5 for perforation header, 6 be the first rising pipe, 7 for perforation water dispensing board, 8 for supporting seat; 11 is that the first water inlet pipe, 12 is that intake pump, 13 is that coagulant dosage device, 14 is that powder hydroxyapatite throwing device, 15 is tube mixer; 21 is sewage draining exit; 41 is that the second water inlet pipe, 42 is that the second rising pipe, 43 is filtration unit.
Embodiment
Below in conjunction with accompanying drawing Removal of Fluorine From Underground Water device of the present utility model is made and to be further specified.
Embodiment 1
Integral type Removal of Fluorine From Underground Water device is seen Fig. 1, comprises the water inlet unit 1, clarification unit 2 and the spherical hydroxyapatite filtering unit 3 that connect successively, also comprises quartz sand filtration unit 4, and spherical hydroxyapatite filtering unit 3 is located at clarification 2 tops, unit; Quartz sand filtration unit 4 arranges separately in the utility model; Also be provided with perforation water dispensing board 7 between clarification unit 2 and the spherical hydroxyapatite filtering unit 3, alternatively, perforation water dispensing board 7 apertures can for arbitrarily rational size, be preferably 0.5-0.8mm; Clarification 2 bottoms, unit also are respectively equipped with supporting seat 8.
Wherein, water inlet unit 1 comprises the first water inlet pipe 11 and is located at successively intake pump 12, coagulant dosage device 13, powder hydroxyapatite throwing device 14 and tube mixer 15 on the first water inlet pipe 11;
Clarification unit 2 sidewalls are provided with sewage draining exit 21;
Be provided with spherical hydroxyapatite filter material layer in the spherical hydroxyapatite filtering unit 3, spherical hydroxyapatite filtering unit 3 tops are provided with perforation header 5, and perforation header 5 one ends are provided with the first rising pipe 6; In the utility model, spherical hydroxyapatite filter material layer thickness is 50cm, also can for arbitrarily rational size, be preferably more than the 50cm alternatively; Spherical hydroxyapatite particle diameter of filter medium is preferably 0.8-1.5mm.
Be provided with the quartz sand filter media layer in the quartz sand filtration unit 4,4 tops, quartz sand filtration unit are provided with the second water inlet pipe 41, the bottom is provided with the second rising pipe 42; In the utility model, also be provided with strainer head filtration unit 43 under the quartz sand filtration layer, this strainer head filtration unit can be used for the water distribution of back flushing, alternatively, also can be other filtration units; In the utility model, the quartz sand filter media layer thickness is 80cm, also can be preferably more than the 80cm for arbitrarily rational size alternatively, and the quartz sand filter media particle diameter is preferably 0.5-1.35mm.
Embodiment 2
Integral type Removal of Fluorine From Underground Water device is seen Fig. 2, comprises the water inlet unit 1, clarification unit 2, spherical hydroxyapatite filtering unit 3 and the quartz sand filtration unit 4 that connect successively from bottom to top; Also be provided with perforation water dispensing board 7 between clarification unit 2 and the spherical hydroxyapatite filtering unit 3, be provided with perforation water dispensing board 7 between spherical hydroxyapatite filtering unit 3 and the quartz sand filtration unit 4, alternatively, perforation water dispensing board 7 apertures can for arbitrarily rational size, be preferably 0.5-0.8mm; Clarification 2 bottoms, unit also are respectively equipped with supporting seat 8.
Wherein, water inlet unit 1 comprises the first water inlet pipe 11 and is located at successively intake pump 12, coagulant dosage device 13, powder hydroxyapatite throwing device 14 and tube mixer 15 on the first water inlet pipe 11.
Clarification unit 2 sidewalls are provided with sewage draining exit 21.
Be provided with spherical hydroxyapatite filter material layer in the spherical hydroxyapatite filtering unit 3; In the utility model, spherical hydroxyapatite filter material layer thickness is 80cm, also can for arbitrarily rational size, be preferably more than the 50cm alternatively; Spherical hydroxyapatite particle diameter of filter medium is preferably 0.8-1.5mm.
Be provided with the quartz sand filter media layer in the quartz sand filtration unit 4, the perforation plate water distribution is adopted in quartz sand filtration layer bottom; In the utility model, the quartz sand filter media layer thickness is 100cm, also can be preferably more than the 80cm for arbitrarily rational size alternatively, and the quartz sand filter media particle diameter is preferably 0.5-1.35mm.
Embodiment 3
Former water, coagulating agent, powder hydroxyapatite after mixing, water inlet pipe, coagulant dosage device, powder hydroxyapatite boss device are inputted respectively the clarification unit in the tube mixer of water inlet unit, entering spherical hydroxyapatite filtering unit from the top after the clarification of clarification unit filters, again 4 filtrations through the quartz sand filtration unit namely get defluoroing water.Wherein, the upflow velocity of current is 4.0-6.0m/h in clarification unit 2, and hydraulic detention time is below the 20min.
After processing fluorinated water, this equipment washing adopts the method for combined water and air backwash.The recoil program is: gas rushes 3min(air blasting intensity 14-16L/m 2S), air water associating 3min(air blasting intensity 14-16L/m 2S, water rush intensity 4-6L/m 2S), water rushes 3min(water and rushes intensity 4-6L/m separately 2S), gas is supplied with by air compressor machine or gas blower, and water is from product water or the former water that is untreated after processing.
The Inlet and outlet water water quality situation of table 1 Removal of Fluorine From Underground Water device

Claims (8)

1. new Removal of Fluorine From Underground Water device, it is characterized in that: comprise the water inlet unit (1), clarification unit (2) and the spherical hydroxyapatite filtering unit (3) that connect successively, also comprise quartz sand filtration unit (4), described spherical hydroxyapatite filtering unit (3) is located at clarification top, unit (2), and described quartz sand filtration unit (4) is located at spherical hydroxyapatite filtering unit (3) top or is arranged separately; Described water inlet unit (1) comprises the first water inlet pipe (11) and is located at successively intake pump (12), coagulant dosage device (13), powder hydroxyapatite throwing device (14) and tube mixer (15) on the first water inlet pipe (11); Described clarification unit (2) sidewall is provided with sewage draining exit (21); Be provided with spherical hydroxyapatite filter material layer in the described spherical hydroxyapatite filtering unit (3), described spherical hydroxyapatite filtering unit (3) top is provided with perforation header (5), and described perforation header (5) one ends are provided with the first rising pipe (6); Be provided with the quartz sand filter media layer in the described quartz sand filtration unit (4), top, described quartz sand filtration unit (4) is provided with the second water inlet pipe (41), the bottom is provided with the second rising pipe (42).
2. a kind of new Removal of Fluorine From Underground Water device according to claim 1 is characterized in that: also comprise perforation water dispensing board (7), described perforation water dispensing board (7) is located between clarification unit (2) and the spherical hydroxyapatite filtering unit (3).
3. a kind of new Removal of Fluorine From Underground Water device according to claim 2, it is characterized in that: described perforation water dispensing board (7) aperture is 0.5-0.8mm.
4. a kind of new Removal of Fluorine From Underground Water device according to claim 1 is characterized in that: also comprise supporting seat (8), described supporting seat (8) is located at bottom, clarification unit (2).
5. a kind of new Removal of Fluorine From Underground Water device according to claim 1, it is characterized in that: also comprise filtration unit (43), described filtration unit (43) is located in the quartz sand filtration unit (4).
6. a kind of new Removal of Fluorine From Underground Water device according to claim 1, it is characterized in that: described spherical hydroxyapatite filter material layer thickness is more than the 50cm, and spherical hydroxyapatite particle diameter of filter medium is 0.8-1.5mm.
7. a kind of new Removal of Fluorine From Underground Water device according to claim 1, it is characterized in that: described quartz sand filter media layer thickness is more than the 80cm, the quartz sand filter media particle diameter is 0.5-1.35mm.
8. a kind of new Removal of Fluorine From Underground Water device according to claim 1 is characterized in that: the upflow velocity of current is 4.0-6.0m/h in the described clarification unit (2), and hydraulic detention time is below the 20min.
CN 201220510288 2012-09-29 2012-09-29 Novel underground water defluorination device CN202808516U (en)

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Application Number Priority Date Filing Date Title
CN 201220510288 CN202808516U (en) 2012-09-29 2012-09-29 Novel underground water defluorination device

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Application Number Priority Date Filing Date Title
CN 201220510288 CN202808516U (en) 2012-09-29 2012-09-29 Novel underground water defluorination device

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103896430A (en) * 2014-03-14 2014-07-02 河海大学 Integrated water purifying water for removing fluoride in underground water
CN103951109A (en) * 2014-04-30 2014-07-30 河海大学 Novel combined defluorinating device for underground water
CN104030420A (en) * 2014-06-16 2014-09-10 江苏永冠给排水设备有限公司 Defluorination device based on siphon type slurry discharging and defluorination method based on siphon type slurry discharging
CN104386857A (en) * 2014-11-18 2015-03-04 江苏永冠给排水设备有限公司 Complex drinking water fluorine removing process
CN104591363A (en) * 2015-02-13 2015-05-06 河海大学 Integrated water purification device for removing fluoride in water
CN109160690A (en) * 2018-09-30 2019-01-08 南京信息工程大学 A kind of nitrate nitrogen in ground water and fluorine ion processing system and processing method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103896430A (en) * 2014-03-14 2014-07-02 河海大学 Integrated water purifying water for removing fluoride in underground water
CN103896430B (en) * 2014-03-14 2015-12-30 河海大学 A kind of integral water purifying device removed for fluorochemical in underground water
CN103951109B (en) * 2014-04-30 2015-04-08 河海大学 Novel combined defluorinating device for underground water
CN103951109A (en) * 2014-04-30 2014-07-30 河海大学 Novel combined defluorinating device for underground water
CN104030420A (en) * 2014-06-16 2014-09-10 江苏永冠给排水设备有限公司 Defluorination device based on siphon type slurry discharging and defluorination method based on siphon type slurry discharging
CN104030420B (en) * 2014-06-16 2015-09-23 江苏永冠给排水设备有限公司 A kind of fluorine removal device of siphoning type sludge discharging and method
CN104386857A (en) * 2014-11-18 2015-03-04 江苏永冠给排水设备有限公司 Complex drinking water fluorine removing process
CN104591363A (en) * 2015-02-13 2015-05-06 河海大学 Integrated water purification device for removing fluoride in water
CN109160690A (en) * 2018-09-30 2019-01-08 南京信息工程大学 A kind of nitrate nitrogen in ground water and fluorine ion processing system and processing method

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: XINJIANG UYGUR AUTONOMOUS REGION ENVIRONMENTAL MON

Effective date: 20150413

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150413

Address after: Xikang Road, Gulou District of Nanjing city of Jiangsu Province, No. 1 210098

Patentee after: Hohai University

Patentee after: The Xinjiang Uygur Autonomous Region environmental monitoring station

Address before: Xikang Road, Gulou District of Nanjing city of Jiangsu Province, No. 1 210098

Patentee before: Hohai University