CN201825822U - Ozone-BAF integrated reaction equipment used for wastewater treatment - Google Patents
Ozone-BAF integrated reaction equipment used for wastewater treatment Download PDFInfo
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- CN201825822U CN201825822U CN2010205382226U CN201020538222U CN201825822U CN 201825822 U CN201825822 U CN 201825822U CN 2010205382226 U CN2010205382226 U CN 2010205382226U CN 201020538222 U CN201020538222 U CN 201020538222U CN 201825822 U CN201825822 U CN 201825822U
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- ozone
- baf
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Abstract
The utility model discloses ozone-BAF integrated reaction equipment used for wastewater treatment. An ozone reaction column of the ozone-BAF integrated reaction equipment is communicated with an ozone generator, and internally provided with a core cloth gas board, the ozone reaction column is communicated with a water inlet tank, a first peristaltic pump is arranged between the ozone reaction column and the water inlet tank, the ozone reaction column is communicated with a regulating water tank, a BAF treatment unit is sequentially provided with a supporting layer, a packing layer and a clarification layer from bottom to top, the clearing layer of the BAF treatment unit is provided with a sampling mouth and a water outlet, the supporting layer is communicated with the regulating water tank through a first conduit which is provided with a second peristaltic pump, the first conduit is communicated with a backwash water tank through a second conduit, a connecting part of the first conduit and the second conduit is positioned between the second peristaltic pump and the bottom of the supporting layer of the BAF treatment unit, and the second conduit is provided with a backwash water pump. The ozone-BAF integrated reaction equipment is simple in structure, convenient in operation, high in efficiency, and low in energy consumption, and can be well applied for industrial wastewater treatment and recycling.
Description
Technical field
The utility model relates to a kind of water treatment device, relates in particular to a kind of wastewater treatment equipment that is used for.
Background technology
Ozone has extremely strong oxidation susceptibility, but and in water, decompose voluntarily in the short period of time, there is not secondary pollution, be ideal green oxidation medicament.At present, obtained application aspect ozone technology many in water treatment field.Ozone not only has very strong sterilization, be difficult to biodegradable pollution substance in can also oxidation removal water, if directly remove as carbonic acid gas and water but use ozone to be difficult to biodegradable pollutent mineralising separately, often the ozone dosage is big, required expense is too high, economical poor, can't be in actual engineering large-scale application.
Biological aerated filter (BAF) technology is a kind of microorganism contact biochemical oxidation system, by attached to the absorption of the microorganism on the filler, degraded, oxidation, effect such as synthetic, removes organism biodegradable and utilization.This technology is mainly used in the advanced treatment of wastewater of lower concentration and the pre-treatment of the little pollution of former water, handles low-concentration industrial sewage disposal, the former water pretreatment of feedwater etc. as city domestic sewage.The maximum characteristics of BAF are to integrate bio-oxidation and hold back suspended solids, have saved follow-up secondary sedimentation basins, and treatment process is simplified.In addition, BAF technology organism volumetric loading height, hydraulic load are big, hydraulic detention time is short, required initial cost is few, energy consumption and running cost are low and guarantee the characteristics of higher water water quality, but BAF technology is quite limited to the removal of the organic pollutant of difficult for biological degradation.Present stage, the removal that is difficult to biodegradable pollutent is a difficult problem in advanced treatment of wastewater and the middle water reuse.
The utility model content
The purpose of this utility model is the weak point at above-mentioned technology, and a kind of ozone-BAF integrated reaction device that is used for wastewater treatment is provided.
The technical scheme that its technical problem that solves the utility model adopts is: this ozone-BAF integrated reaction device that is used for wastewater treatment comprises ozonizer, ozone reaction post, water tank inlet, regulating tank, BAF processing unit, back flushing water tank; The ozone reaction post is communicated with ozonizer, is provided with the core air distribution plate in the described ozone reaction post; The ozone reaction post is communicated with water tank inlet, between described ozone reaction post and water tank inlet first peristaltic pump is installed; The ozone reaction post is communicated with regulating tank; The BAF processing unit is provided with supporting layer, packing layer and clear water zone from bottom to top successively, the clear water zone of BAF processing unit is provided with thief hole and water outlet, described supporting layer is communicated with by first conduit with regulating tank, second peristaltic pump is installed on first conduit, described first conduit is communicated with the back flushing water tank by second conduit, the junction of second conduit and first conduit is equipped with backwash pump on second conduit between the bottom of the supporting layer of second peristaltic pump and BAF processing unit.
Further, the supporting layer of BAF processing unit described in the utility model is connected with the recoil air pump.
Further, the supporting layer of BAF processing unit described in the utility model is connected with aeration pump.
Further, the utility model is equipped with under meter between described ozone reaction post and ozonizer.
Further, second conduit described in the utility model is equipped with under meter, and this under meter is between the junction and backwash pump of second conduit and first conduit.
Further, the supporting layer of BAF processing unit described in the utility model is connected with the water level indicating meter.
Further, the utility model is equipped with under meter between the bottom of the supporting layer of described BAF processing unit and recoil air pump.
Further, the utility model is equipped with under meter between the supporting layer of described BAF processing unit and aeration pump.
The utility model is compared with prior art, has following characteristics:
1. the utility model is scientific and reasonable for structure, unite and use ozone and BAF technology, at first change the molecular structure of hardly degraded organic substance in the waste water, to improve the biodegradability of waste water by ozone pre-oxidation, and then use BAF technology to make its further mineralising, improve treatment effect.Thus, the utility model has been realized the combination of ozone pre-oxidation and BAF biochemical treatment well, guarantees the good result of waste water advanced processing, and does not cause secondary pollution, is particularly suitable for being used for Processing Paper Wastewater.
2. the utility model increases the core air distribution plate in the ozone reaction post, and ozone is evenly entered in the reaction column, improves treatment effect.
3. the utility model increases the BAF processing unit is carried out the back flushing of G﹠W, can recover biomembranous activity, the speed of oxygen and pollutent mass transfer in the promotion biochemical reaction.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model is a kind of ozone-BAF integrated reaction device that is used for wastewater treatment, mainly comprises ozonizer 2, ozone reaction post 3, water tank inlet 4, regulating tank 5, BAF processing unit 8 and back flushing water tank 6.Ozone reaction post 3 is communicated with ozonizer 2.Ozone reaction post 3 is equipped with core air distribution plate 10 near the place of bottom, can make ozone evenly enter ozone reaction post 3, improves treatment effect.Ozone reaction post 3 is communicated with water tank inlet 4, and first peristaltic pump 13 is installed between ozone reaction post 3 and the water tank inlet 4.The top of ozone reaction post 3 is communicated with regulating tank 5.The top of ozone reaction post 3 is connected with absorption bottle 11, and absorption bottle 11 is used to absorb unnecessary waste gas, and remaining gas is discharged from the discharge outlet 12 of absorption bottle 11.In BAF processing unit 8, the bottom is provided with supporting layer 18, it above supporting layer 18 packing layer 19, stream of cleaned water after packing layer 19 purifying treatment is to the clear water zone 27 of packing layer 19 tops, the packing layer 19 of BAF processing unit 8 is provided with thief hole 20, be used for sampling and measuring water quality, determine the influence of bed stuffing height decontamination effect improving.The clear water zone 27 of BAF processing unit 8 is provided with water outlet 21, supporting layer 18 is communicated with by first conduit 25 with regulating tank 5, second peristaltic pump 14 is installed on first conduit 25, first conduit 25 is communicated with back flushing water tank 6 by second conduit 26, the junction of second conduit 26 and first conduit 25 is equipped with backwash pump 15 on second conduit 26 between the bottom of the supporting layer 18 of second peristaltic pump 14 and BAF processing unit 8.
Further, the supporting layer 18 of BAF processing unit can be connected with recoil air pump 24 and aeration pump 22.Between ozone reaction post 3 and the ozonizer 2 under meter 9 is installed.On second conduit 26 under meter 16 is installed, under meter 16 is between the junction and backwash pump 15 of second conduit 26 and first conduit 25.In the outside of BAF processing unit 8, there is a water level indicating meter 7 to be connected with supporting layer 18, water level indicating meter 7 can reflect the change in resistance of packing layer 19, to judge the flushing cycle of sending out of BAF.Between the bottom of the supporting layer 18 of BAF processing unit 8 and the recoil air pump 24 under meter 23 is installed.Between the supporting layer 18 of BAF processing unit 8 and the aeration pump 22 under meter 28 is installed.The specified ozone generating capacity of ozonizer 2 is 3g/h, specified oxygen depletion amount 120L/h, specified current consumption 120W.It is that the transparent organic glass post of 30cm is made that BAF processing unit 8 can adopt internal diameter, total height is 3m, supporting layer 18 high 30cm wherein, packing layer 19 high 150cm, filler can be selected natural zeolite, haydite and limestone gravel etc. for use, and for example can select particle diameter for use is the haydite of 5mm.Each under meter in the utility model reaction unit is used to control the flow of water or gas, with normal operation that guarantees reaction unit and the treatment effect that reaches the best.
As shown in Figure 1, in the actual use, ozonizer 2 is connected with oxygen cylinder 1, with the oxygen in the oxygen cylinder 1 is source of the gas, the ozone that produces is after under meter 9 is regulated, evenly enter participation reaction in the ozone reaction post 3 by core gas distribution version 10, unnecessary waste gas discharge outlet 12 from absorption bottle 11 behind the ozone that absorption bottle 11 absorbs is wherein discharged.The wastewater flow that enters ozone reaction post 3 is entered regulating tank 5 and is carried out aeration by 13 controls of first peristaltic pump after the ozonize pre-treatment, remove redundant ozone.Waste water in the regulating tank 5 is driven in the BAF processing unit 8 by second peristaltic pump 14, and by second peristaltic pump, 14 control flooding velocity.Aeration pump 22 is driven into air in the BAF processing unit 8, can improve the dissolved oxygen in the waste water, thereby improves the BAF reaction efficiency, and wherein, air flow quantity can be by under meter 28 controls.During back flushing, water and air is driven in the BAF reaction member 8 by backwash pump 15 and back flushing air pump 24 respectively packing layer 19 is carried out back flushing, can further recover biomembranous activity like this, the speed of oxygen and pollutent mass transfer in the promotion biochemical reaction.Waste water enters packing layer 19 behind supporting layer 18 water distributions, gas distribution, flow out through the water outlet 21 of clear water zone 27 from BAF processing unit 8 tops after packing layer 19 purifies, and effusive purified water runs in and is put in the river or is for further processing.
Claims (8)
1. ozone-BAF the integrated reaction device that is used for wastewater treatment is characterized in that: comprise ozonizer (2), ozone reaction post (3), water tank inlet (4), regulating tank (5), BAF processing unit (8), back flushing water tank (6); Ozone reaction post (3) is communicated with ozonizer (2), is provided with core air distribution plate (10) in the described ozone reaction post (3); Ozone reaction post (3) is communicated with water tank inlet (4), between described ozone reaction post (3) and water tank inlet (4) first peristaltic pump (13) is installed; Ozone reaction post (3) is communicated with regulating tank (5); BAF processing unit (8) is provided with supporting layer (18) from bottom to top successively, packing layer (19) and clear water zone (27), the clear water zone (27) of BAF processing unit (8) is provided with thief hole (20) and water outlet (21), described supporting layer (18) is communicated with by first conduit (25) with regulating tank (5), second peristaltic pump (14) is installed on first conduit (25), described first conduit (25) is communicated with back flushing water tank (6) by second conduit (26), the junction of second conduit (26) and first conduit (25) is positioned between the bottom of supporting layer (18) of second peristaltic pump (14) and BAF processing unit (8), and backwash pump (15) is installed on second conduit (26).
2. ozone-BAF the integrated reaction device that is used for wastewater treatment according to claim 1 is characterized in that: the supporting layer of described BAF processing unit (18) is connected with recoil air pump (24).
3. ozone-BAF the integrated reaction device that is used for wastewater treatment according to claim 1, it is characterized in that: the supporting layer of described BAF processing unit (18) is connected with aeration pump (22).
4. according to each described ozone-BAF integrated reaction device that is used for wastewater treatment in the claim 1 to 3, it is characterized in that: between described ozone reaction post (3) and ozonizer (2), under meter is installed.
5. according to each described ozone-BAF integrated reaction device that is used for wastewater treatment in the claim 1 to 3, it is characterized in that: described second conduit (26) is equipped with under meter, and this under meter is positioned between the junction and backwash pump (15) of second conduit (26) and first conduit (25).
6. according to each described ozone-BAF integrated reaction device that is used for wastewater treatment in the claim 1 to 3, it is characterized in that: the supporting layer (18) of described BAF processing unit (8) is connected with water level indicating meter (7).
7. ozone-BAF the integrated reaction device that is used for wastewater treatment according to claim 2 is characterized in that: between the bottom of the supporting layer (18) of described BAF processing unit and recoil air pump (24) under meter is installed.
8. ozone-BAF the integrated reaction device that is used for wastewater treatment according to claim 3 is characterized in that: between the supporting layer (18) of described BAF processing unit and aeration pump (22) under meter is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205382226U CN201825822U (en) | 2010-09-21 | 2010-09-21 | Ozone-BAF integrated reaction equipment used for wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205382226U CN201825822U (en) | 2010-09-21 | 2010-09-21 | Ozone-BAF integrated reaction equipment used for wastewater treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201825822U true CN201825822U (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205382226U Expired - Fee Related CN201825822U (en) | 2010-09-21 | 2010-09-21 | Ozone-BAF integrated reaction equipment used for wastewater treatment |
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| CN (1) | CN201825822U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106673376A (en) * | 2017-02-17 | 2017-05-17 | 杜美玲 | Sewage treatment equipment for hospital |
| CN108046513A (en) * | 2017-11-17 | 2018-05-18 | 中冶华天南京工程技术有限公司 | Traditional Chinese medicine wastewater Treated sewage reusing processing system and method |
| CN114477643A (en) * | 2022-02-14 | 2022-05-13 | 常州大学 | Novel maleic anhydride wastewater advanced treatment system and process thereof |
-
2010
- 2010-09-21 CN CN2010205382226U patent/CN201825822U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106673376A (en) * | 2017-02-17 | 2017-05-17 | 杜美玲 | Sewage treatment equipment for hospital |
| CN108046513A (en) * | 2017-11-17 | 2018-05-18 | 中冶华天南京工程技术有限公司 | Traditional Chinese medicine wastewater Treated sewage reusing processing system and method |
| CN114477643A (en) * | 2022-02-14 | 2022-05-13 | 常州大学 | Novel maleic anhydride wastewater advanced treatment system and process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20150921 |
|
| EXPY | Termination of patent right or utility model |