CN209652088U - Low concentration fluoride wastewater treatment and depth fluorine removal system under high row's standard - Google Patents
Low concentration fluoride wastewater treatment and depth fluorine removal system under high row's standard Download PDFInfo
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- CN209652088U CN209652088U CN201920126071.4U CN201920126071U CN209652088U CN 209652088 U CN209652088 U CN 209652088U CN 201920126071 U CN201920126071 U CN 201920126071U CN 209652088 U CN209652088 U CN 209652088U
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Abstract
The utility model discloses low concentration fluoride wastewater treatment and depth fluorine removal systems under a kind of high row's standard, including load coagulation clarification fluorine removal pond, fluorine adsorption filter and ozone oxidation pond by the sequentially connected hydrolyzing regulation pond of aqueduct, combined type two-stage AO biological tank, secondary settling tank, powder carbon adsorption pond, PH adjusting and magnetic；The waterwater entrance of the hydrolyzing regulation pond connects pretreated drainage pipeline；It send through pipeline to receiving water body the outlet in the ozone oxidation pond；The partial sludge that the secondary settling tank generates is back to the hydrolyzing regulation pond；The hydrolyzing regulation pond is discharged into after the waste water that the fluorine adsorbent reactivation of the fluorine adsorption filter generates is neutralized to continue with.The utility model organically combines materialization, biochemistry and chemical means, there are better effects to the removal of the Conventional pollutions such as COD, BOD, NH3-N, TN, TP, it can guarantee fluoride index drinking water standard up to standard, have many advantages, such as that small investment, characteristics of compact layout, operating cost is lower, high degree of automation.
Description
Technical field
The utility model relates to photovoltaic industry wastewater treatment and depth technology of Fluoride Removal, in particular to a kind of chip and epitaxial wafer
The comprehensive wastewater processing and depth fluorine removal system of production process generation are such as cleaned, are sliced, grinding, polishing, being etched to process.
Background technique
The photovoltaic industry development in current China is swift and violent, and displacement constantly increases, and most of enterprise's draining is passed through in factory
Simple pretreatment reaches " integrated wastewater discharge standard " (GB/T 8978-1996) and is discharged into cities and towns dirt afterwards (fluoride≤20mg/L)
Water treatment plant continues with, and the characteristic contaminations such as hardly degraded organic substance, fluoride in sewage are mainly diluted by town sewage
After be discharged into receiving water body, not reduce characteristic contamination total emission volumn.
Photovoltaic industry Wastewater Pollutant concentration is totally relatively low, and nutriment proportional imbalance, content of fluoride is relatively high, difficult
Degradation of organic substances specific gravity is larger.It is discharged into urban wastewater treatment firm after simply pre-processing, will be greatly reduced urban wastewater treatment
The water inlet pollutant concentration of factory improves hardly degraded organic substance and fluoride concentration, further decreases carbon-nitrogen ratio.At town sewage
It manages under the increasingly strict overall background of factory's discharge standard, exacerbates urban wastewater treatment difficulty, improve overall operation cost.Cause
This, it is necessary to by larger photovoltaic industry fluoride waste centralized collection, receiving water body is directly discharged into after centralized processing, in turn
Reduce the disposed of in its entirety difficulty and operating cost of urban drainage system.
Utility model content
The purpose of the utility model is to overcome deficiency in the prior art, it is fluorine-containing useless to provide low concentration under a kind of high row's standard
Water process and depth fluorine removal system are discharged into after pretreatment in factory reaches " integrated wastewater discharge standard " suitable for photoelectricity enterprise
The Industrial Wastewater Treatment of city planting ductwork organically combines materialization, biochemistry and chemical means, to COD, BOD, NH3-N, TN, TP
Equal Conventional pollutions removal has better effects, can guarantee fluoride index drinking water standard up to standard.The utility model investment
Less, characteristics of compact layout, operating cost is lower, high degree of automation.
The technical scheme adopted by the utility model is low concentration fluoride wastewater treatment and depth are removed under a kind of high row's standard
Fluorine system system, comprising:
The waterwater entrance of hydrolyzing regulation pond, the hydrolyzing regulation pond connects pretreated drainage pipeline；
The entrance of combined type two-stage AO biological tank, the combined type two-stage AO biological tank passes through aqueduct and the hydrolysis
The outlet of conditioning tank is connected；The combined type two-stage AO biological tank uses two sections of Anoxic/Aerobic cascades, including successively goes here and there
Connection: level-one anoxic pond, level-one aerobic tank, second level anoxic pond and second level aerobic tank；
Interior reflux line is back to described using the mixed liquor that level-one aerobic tank end generates as interior backflow mixed liquor
Level-one anoxic pond；
The entrance of secondary settling tank, the secondary settling tank is connected by aqueduct with the outlet of the combined type two-stage AO biological tank
It connects；
Exteenal reflux pipeline, the first part for the sludge that the sedimentation in secondary sedimentation tank is generated is as exteenal reflux sludge reflux to institute
State level-one anoxic pond；
Hydrolysis inoculation pipeline, the second part for the sludge that the sedimentation in secondary sedimentation tank is generated is as hydrolysis seed sludge reflux
To the hydrolyzing regulation pond；
Excess sludge discharge tube, the sludge that the sedimentation in secondary sedimentation tank is generated remove its of first part and second part
Remaining part is allocated as excess sludge discharge；
The entrance in powder carbon adsorption pond, powder carbon adsorption pond is connected by aqueduct with the outlet of the secondary settling tank；
PH is adjusted and magnetic loads coagulation clarification fluorine removal pond, and the PH is adjusted and the entrance in magnetic load coagulation clarification fluorine removal pond is logical
Aqueduct is crossed to be connected with the outlet in powder carbon adsorption pond；The PH adjust and magnetic load coagulation clarification fluorine removal pond include according to
It is secondary concatenated: to add the PH neutralization pond of PH neutralizer and calcium chloride, the first coagulating basin of dosing coagulant, add the second of magnetic powder
Coagulating basin, the third coagulating basin for adding flocculation aid, sedimentation basin and middle transition pond；
Precipitating sludge a part that the sedimentation basin generates is back to second coagulation by sludge return pipe containing magnetic
Pond；
The precipitating sludge rest part that the sedimentation basin generates is delivered to magnetic separation system by the separate pipeline of sludge containing magnetic,
The precipitating sludge rest part that the sedimentation basin generates is separated into magnetic powder and chemical sludge, the magnetic powder by the magnetic separation system
It is back to second coagulating basin, the chemical sludge discharge；
The entrance of fluorine adsorption filter filled with fluorine adsorbent, the fluorine adsorption filter passes through aqueduct and the PH tune
The outlet in section and magnetic load coagulation clarification fluorine removal pond is connected；
Regenerated liquid reflux line, again using the waste water of the generation of fluorine adsorbent reactivation described in the fluorine adsorption filter as reflux
Raw liquid is back to wastewater neutralizer；
The outlet of wastewater neutralizer, the wastewater neutralizer is connected by aqueduct with the entrance of the hydrolyzing regulation pond
It connects；
The entrance in ozone oxidation pond, the ozone oxidation pond is connected by aqueduct with the outlet of the fluorine adsorption filter
It connects, the outlet in the ozone oxidation pond is sent by pipeline to receiving water body.
Further, the hydrolyzing regulation pond is using mechanical plug-flow, gallery type arrangement.
Further, the bottom preset of the level-one aerobic tank and the second level aerobic tank has aerated conduit；The aeration
The inlet end of pipeline is provided with aeration blower.
Further, scraping and sucking machine is provided in the secondary settling tank；The bottom of the secondary settling tank is provided with sludge pump house, leads to
The sludge pump house is crossed to lack the level-one that the sludge that the secondary settling tank generates is conveyed to the combined type two-stage AO biological tank respectively
Oxygen pond and the hydrolyzing regulation pond, or discharge.
Further, absorption blender is provided in powder carbon adsorption pond, realization is added to the powder in powder carbon adsorption pond
Last active carbon is effectively contacted with water pollutant.
Further, it is provided in PH in the PH neutralization pond and blender；First is provided in first coagulating basin
Coagulation blender；The second coagulation blender is provided in second coagulating basin；It is mixed that third is provided in the third coagulating basin
Solidifying blender.
Further, the bottom of the sedimentation basin is provided with sedimentation basin mud scraper, middle part is provided with inclined plate, top is provided with
Effluent weir, the waste water in the sedimentation basin flow to the middle transition pond by the effluent weir.
Further, the bottom of the fluorine adsorption filter is provided with air distribution and water distribution layer, to the fluorine in the fluorine adsorption filter
Adsorbent carries out regeneration treatment；The fluorine adsorption filter is provided centrally with backwash rhone, and the backwash rhone passes through institute
It states regenerated liquid reflux line to be connected with the wastewater neutralizer, again using the waste water of fluorine adsorbent reactivation generation as reflux
Raw liquid is back to wastewater neutralizer；It is provided at the top of the fluorine adsorption filter into water water distributing trough, fluorine absorption filter will be entered
The waste water in pond is evenly distributed.
Further, neutralization blender is provided in the wastewater neutralizer.
Further, the bottom preset in the ozone oxidation pond has an ozone generating pipe road, the ozone generating pipe road into
Gas is provided with ozone generator on end；The end top in the ozone oxidation pond is provided with vent ozone destructor.
The beneficial effects of the utility model are:
In Tthe utility model system, the first section conditioning tank of wastewater treatment is carrying out water after increasing residual sludge reflux
The function of matter water quantity exchange increased hydrolysis acidification while adjusting, can will increase substantially difficult for biological degradation larger molecular organics
Be converted into the amount of the readily biodegradable organic matter of small molecule such as volatile acid, at the same will reflux excess sludge be partially converted into can be with
The carbon source that denitrification utilizes reduces denitrification process to outer plus commodity carbon source dependence while improving wastewater biodegradability.
In Tthe utility model system, biological treatment use combined type two-stage AO technique, by add floating stuffing and
Powdered Activated Carbon provides microorganism in biological tank and relies the carrier of attachment, be conducive to generation time it is long and it is different detest it is scarce
The existence of the microorganism of oxygen environment increases the type and quantity of the microorganism of removal organic matter, can further increase to difficulty
The removal efficiency of degradation of organic substances.Floating stuffing and Powdered Activated Carbon are added in level-one anoxic pond, and ensure longer stop
Time improves the probability that synchronous nitration and denitrification occurs in system, can further decrease external carbon required for denitrification process
Source, to reduce operating cost.
In Tthe utility model system, is combined using dense media coagulation assisted with activated alumina absorption two ways and removed
Fluorine, can effectively by fluoride concentration by 20mg/L it is stable be reduced to 1.5mg/L hereinafter, can be used as low concentration fluoride waste
The reliable process of (water inlet fluorine content≤20mg/L) depth fluorine removal (water fluoride content≤1.5mg/L out).It is rationally controlled in operational process
PH value processed is the key that stable water outlet governing factor up to standard.
Detailed description of the invention
Fig. 1: the structural schematic diagram of the utility model；
Fig. 2: the process flow diagram of the utility model.
Attached drawing mark: 1, hydrolyzing regulation pond；2, combined type two-stage AO biological tank；3, secondary settling tank；4, powder carbon adsorption pond；5,PH
It adjusts and magnetic loads coagulation clarification fluorine removal pond；6, fluorine adsorption filter；7, wastewater neutralizer；8, ozone oxidation pond；9, water inlet is promoted
Pump；10, floating stuffing；11, aeration blower；12, interior reflux pump；13, scraping and sucking machine；14, sludge pump house；15, excess sludge
Pump；16, blender is adsorbed；17, in PH and blender；18, the first coagulation blender；19, the second coagulation blender；20, third
Coagulation blender；21, sedimentation basin mud scraper；22, inclined plate；23, effluent weir；24, sludge reflux pump containing magnetic；25, magnetic separation system；
26, air distribution and water distribution layer；27, backwash rhone；28, water inlet water distributing trough；29, intermediate lift pump；30, blender is neutralized；31, waste liquid
Elevator pump；32, ozone generator；33, vent ozone destructor；34, workshop is regenerated.
Specific embodiment
For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates
Detailed description are as follows for attached drawing:
As shown in Figure 1 and Figure 2, low concentration fluoride wastewater treatment and depth fluorine removal system under a kind of high row's standard, including
Pass through the sequentially connected hydrolyzing regulation pond 1 of aqueduct, combined type two-stage AO biological tank 2, secondary settling tank 3, powder carbon adsorption pond 4, PH
It adjusts and magnetic loads coagulation clarification fluorine removal pond 5, fluorine adsorption filter 6 and ozone oxidation pond 8；The waste water of the hydrolyzing regulation pond 1 enters
Mouth connects pretreated drainage pipeline；It send through pipeline to receiving water body the outlet in the ozone oxidation pond 8.
The hydrolyzing regulation pond 1 is considered using mechanical plug-flow, gallery type arrangement by a small amount of residual sludge reflux to water
Solve conditioning tank 1, the hydrolysis effect of consolidation system.Inlet water lifting pumps 9 are provided in the hydrolyzing regulation pond 1, the hydrolysis is adjusted
Waste water in section pond 1 is delivered to the combined type two-stage AO biological tank 2.
The combined type two-stage AO biological tank 2 uses the denitrification effect of two sections of Anoxic/Aerobic cascade consolidation systems, together
When floating stuffing 10, Powdered Activated Carbon and carbon source (sodium acetate) are added in reaction tank, wherein floating stuffing 10 is built in reaction tank
If when add in it, Powdered Activated Carbon and carbon source continuously add in system operation, improve sludge concentration, abundant biology
Phase, adaptability of the consolidation system to low concentration wastewater and the removal effect to hardly degraded organic substance.Due to phosphorus content in raw water
Scarcity suitably supplements the primary demand that a small amount of phosphorus source meets microorganism growth.The combined type two-stage AO biological tank 2 includes successively
It is concatenated: level-one anoxic pond, level-one aerobic tank, second level anoxic pond and second level aerobic tank；The level-one aerobic tank and the second level
The bottom preset of aerobic tank has aerated conduit, and the inlet end in the aeration tube road is provided with aeration blower 11.The level-one is good
The mixed liquor that oxygen pond end generates is back to the level-one anoxic pond as interior backflow mixed liquor, and is conveyed by interior reflux line
To the level-one anoxic pond, interior reflux pump 12 is provided on the interior reflux line.
Scraping and sucking machine 13 is provided in the secondary settling tank 3.The bottom of the secondary settling tank 3 is provided with sludge pump house 14, passes through
The sludge that the secondary settling tank 3 generates is conveyed to the level-one of the combined type two-stage AO biological tank 2 by the sludge pump house 14 respectively
Anoxic pond and the hydrolyzing regulation pond 1, or discharge；Wherein, the sludge generated the secondary settling tank 3 precipitating by exteenal reflux pipeline
First part as exteenal reflux sludge reflux to the level-one anoxic pond；The secondary settling tank 3 is sunk by hydrolysis inoculation pipeline
The second part for the sludge that shallow lake generates is back to the hydrolyzing regulation pond 1 as hydrolysis seed sludge；It is discharged by excess sludge
Pipeline arranges the rest part that the sludge that the secondary settling tank 3 precipitating generates removes first part and second part as excess sludge
It puts, is provided with residual sludge pump 15 on the excess sludge discharge tube.
Powder carbon adsorption pond 4, which refers to, adds Powdered Activated Carbon in the secondary settling tank 3 water outlet, passes through the suction to set within it
Attached blender 16 is stirred by the low-speed machinery of certain time, realizes that Powdered Activated Carbon is contacted with the effective of water pollutant, In
Powder activity carbon surface realizes the Adsorption to hardly degraded organic substance by physical and chemical adsorption effect.
The PH is adjusted and magnetic loads coagulation clarification fluorine removal pond 5, and water ph value in future first is adjusted to neutrality left and right, adds one
Quantitative calcium chloride is as nucleus, and then dosing coagulant, magnetic powder and flocculation aid, are precipitated after mixed flocculation.It is removed strengthening
Suspended matter and part COD while, achieve the purpose that fluorine removal.The PH is adjusted and magnetic load coagulation clarification fluorine removal pond 5 includes successively
It is concatenated: to add the PH neutralization pond of PH neutralizer and calcium chloride, the first coagulating basin of dosing coagulant, add the second mixed of magnetic powder
Solidifying pond, the third coagulating basin for adding flocculation aid, sedimentation basin and middle transition pond.It is provided in PH and stirs in the PH neutralization pond
Device 17；The first coagulation blender 18 is provided in first coagulating basin；The second coagulation is provided in second coagulating basin to stir
Mix device 19；Third coagulation blender 20 is provided in the third coagulating basin.The bottom of the sedimentation basin is provided with sedimentation basin and scrapes
Mud machine 21, middle part are provided with inclined plate 22, top is provided with effluent weir 23, and the waste water in the sedimentation basin passes through the effluent weir 23
It flow to the middle transition pond.It is provided with intermediate lift pump 29 in the middle transition pond, it will be useless in the middle transition pond
Water is delivered to the fluorine adsorption filter 6.In addition, the precipitating sludge one for being generated the sedimentation basin by sludge return pipe containing magnetic
It is partly refluxed to second coagulating basin, sludge reflux pump containing magnetic 24 is provided on the sludge return pipe containing magnetic；By containing
The precipitating sludge rest part that the sedimentation basin generates is delivered to magnetic separation system 25, the Magneto separate by magnetic sludge separate pipeline
The precipitating sludge rest part that the sedimentation basin generates is separated into magnetic powder and chemical sludge by system 25, and the magnetic powder is back to institute
State the second coagulating basin, the chemical sludge discharge.
Due to using coagulating sedimentation fluorine removal can only by fluoride control in 8mg/L or so, not can control 1.5mg/L with
Under.It needs for PH to be adjusted to 5 or so, then uses the further Adsorption of fluorine adsorption filter 6.It is filled out in the fluorine adsorption filter 6
Filled with fluorine adsorbent (such as activated alumina), after fluorine adsorbent adsorption saturation, using regeneration workshop 34 to the fluorine adsorbent
Carry out regeneration treatment, regeneration process includes that air-water backwashing, alkali liquid regeneration, secondary counter rinse, in weak acid and Four processes
Realize the regeneration of fluorine adsorbent.Hydrolyzing regulation pond 1 is discharged into after the acid-base waste fluid that regenerative process generates is neutralized to continue with.Its
In, the top of the fluorine adsorption filter 6 is provided with into water water distributing trough 28, the waste water for entering the fluorine adsorption filter 6 is carried out equal
Even distribution；The bottom of the fluorine adsorption filter 6 is provided with air distribution and water distribution layer 26, to the fluorine adsorbent in the fluorine adsorption filter 6
Carry out regeneration treatment；The fluorine adsorption filter 6 is provided centrally with backwash rhone 27, and the backwash rhone 27 passes through regeneration
Liquid reflux line is connected with wastewater neutralizer 7, and the waste water that the fluorine adsorbent reactivation is generated is as reflux regenerated liquid reflux
To wastewater neutralizer 7, acid or alkali are added in the wastewater neutralizer 7, and are provided with and are neutralized blender 30 and waste liquid elevator pump 31,
Waste water in the wastewater neutralizer 7 is delivered to the hydrolyzing regulation pond 1 by the waste liquid elevator pump 31.
Containing a certain amount of hardly degraded organic substance in electric industry waste water, preamble technique has had taken up reinforcing removal means,
To improve stable effluent quality compliance rate, end process uses ozone oxidation process, while there is disinfection and further oxidation to go
Except the function (ensureing water outlet COD≤30mg/L) of COD.The bottom preset in the ozone oxidation pond 8 has ozone generating pipe road, described
Ozone generator 32 is provided on the inlet end in ozone generating pipe road；The end top in the ozone oxidation pond 8 is provided with tail gas
Destructor 33.
Although being described above in conjunction with preferred embodiment of the attached drawing to the utility model, the utility model is not
It is confined to above-mentioned specific embodiment, the above mentioned embodiment is only schematical, is not restrictive, ability
The those of ordinary skill in domain is not departing from the utility model aims and claimed under the enlightenment of the utility model
Under ambit, many forms can also be made, these are belonged within the protection scope of the utility model.
Claims (10)
1. low concentration fluoride wastewater treatment and depth fluorine removal system under a kind of high row's standard characterized by comprising
The waterwater entrance of hydrolyzing regulation pond (1), the hydrolyzing regulation pond (1) connects pretreated drainage pipeline；
The entrance of combined type two-stage AO biological tank (2), the combined type two-stage AO biological tank (2) passes through aqueduct and the water
The outlet of solution conditioning tank (1) is connected；The combined type two-stage AO biological tank (2) uses two sections of Anoxic/Aerobic cascades, packet
It includes and is sequentially connected in series: level-one anoxic pond, level-one aerobic tank, second level anoxic pond and second level aerobic tank；
The mixed liquor that level-one aerobic tank end generates is back to the level-one as interior backflow mixed liquor by interior reflux line
Anoxic pond；
Secondary settling tank (3), the entrance of the secondary settling tank (3) are gone out by aqueduct and the combined type two-stage AO biological tank (2)
Mouth is connected；
Exteenal reflux pipeline, the first part for the sludge that the secondary settling tank (3) precipitating is generated is as exteenal reflux sludge reflux to institute
State level-one anoxic pond；
Hydrolysis inoculation pipeline, the second part for the sludge that the secondary settling tank (3) precipitating is generated is as hydrolysis seed sludge reflux
To the hydrolyzing regulation pond (1)；
Excess sludge discharge tube, by its of the sludge removing first part of the secondary settling tank (3) precipitating generation and second part
Remaining part is allocated as excess sludge discharge；
Powder carbon adsorption pond (4), the entrance in powder carbon adsorption pond (4) pass through the outlet phase of aqueduct and the secondary settling tank (3)
Connection；
PH is adjusted and magnetic load coagulation clarification fluorine removal pond (5), and the pH is adjusted and the entrance of magnetic load coagulation clarification fluorine removal pond (5)
It is connected by aqueduct with the outlet in powder carbon adsorption pond (4)；The pH is adjusted and magnetic loads coagulation clarification fluorine removal pond
(5) include being sequentially connected in series: adding the pH neutralization pond of pH neutralizer and calcium chloride, the first coagulating basin of dosing coagulant, add
Second coagulating basin of magnetic powder, the third coagulating basin for adding flocculation aid, sedimentation basin and middle transition pond；
Precipitating sludge a part that the sedimentation basin generates is back to second coagulating basin by sludge return pipe containing magnetic；
The precipitating sludge rest part that the sedimentation basin generates is delivered to magnetic separation system (25) by the separate pipeline of sludge containing magnetic,
The precipitating sludge rest part that the sedimentation basin generates is separated into magnetic powder and chemical sludge by the magnetic separation system (25), described
Magnetic powder is back to second coagulating basin, the chemical sludge discharge；
The entrance of fluorine adsorption filter (6) filled with fluorine adsorbent, the fluorine adsorption filter (6) passes through aqueduct and the pH
It adjusts and the outlet of magnetic load coagulation clarification fluorine removal pond (5) is connected；
Regenerated liquid reflux line, again using the waste water of the generation of fluorine adsorbent reactivation described in the fluorine adsorption filter (6) as reflux
Raw liquid is back to wastewater neutralizer (7)；
Wastewater neutralizer (7), the outlet of the wastewater neutralizer (7) are entered by aqueduct and the hydrolyzing regulation pond (1)
Mouth is connected；
Ozone oxidation pond (8), the entrance of the ozone oxidation pond (8) are gone out by aqueduct and the fluorine adsorption filter (6)
Mouth is connected, and the outlet of the ozone oxidation pond (8) is sent by pipeline to receiving water body.
2. low concentration fluoride wastewater treatment and depth fluorine removal system under a kind of high row's standard according to claim 1, special
Sign is that the hydrolyzing regulation pond (1) is using mechanical plug-flow, gallery type arrangement.
3. low concentration fluoride wastewater treatment and depth fluorine removal system under a kind of high row's standard according to claim 1, special
Sign is that the bottom preset of the level-one aerobic tank and the second level aerobic tank has aerated conduit；The air inlet in the aeration tube road
End is provided with aeration blower (11).
4. low concentration fluoride wastewater treatment and depth fluorine removal system under a kind of high row's standard according to claim 1, special
Sign is, is provided with scraping and sucking machine (13) in the secondary settling tank (3)；The bottom of the secondary settling tank (3) is provided with sludge pump house
(14), the sludge that the secondary settling tank (3) generates is conveyed to by the combined type two-stage AO by the sludge pump house (14) respectively
The level-one anoxic pond and the hydrolyzing regulation pond (1) of biological tank (2), or discharge.
5. low concentration fluoride wastewater treatment and depth fluorine removal system under a kind of high row's standard according to claim 1, special
Sign is, absorption blender (16) is provided in powder carbon adsorption pond (4), and realization is added to the powder in powder carbon adsorption pond (4)
Last active carbon is effectively contacted with water pollutant.
6. low concentration fluoride wastewater treatment and depth fluorine removal system under a kind of high row's standard according to claim 1, special
Sign is, is provided in pH in the pH neutralization pond and blender (17)；The first coagulation is provided in first coagulating basin to stir
Mix device (18)；The second coagulation blender (19) is provided in second coagulating basin；Third is provided in the third coagulating basin
Coagulation blender (20).
7. low concentration fluoride wastewater treatment and depth fluorine removal system under a kind of high row's standard according to claim 1, special
Sign is that the bottom of the sedimentation basin is provided with sedimentation basin mud scraper (21), middle part is provided with inclined plate (22), top is provided with out
Mill weir (23), the waste water in the sedimentation basin flow to the middle transition pond by the effluent weir (23).
8. low concentration fluoride wastewater treatment and depth fluorine removal system under a kind of high row's standard according to claim 1, special
Sign is that the bottom of the fluorine adsorption filter (6) is provided with air distribution and water distribution layer (26), to the fluorine in the fluorine adsorption filter (6)
Adsorbent carries out regeneration treatment；The fluorine adsorption filter (6) is provided centrally with backwash rhone (27), the backwash rhone
(27) it is connected by the regenerated liquid reflux line with the wastewater neutralizer (7), the fluorine adsorbent reactivation is generated
Waste water is back to wastewater neutralizer (7) as reflux regenerated liquid；It is provided at the top of the fluorine adsorption filter (6) into water water distributing trough
(28), the waste water for entering the fluorine adsorption filter (6) is evenly distributed.
9. low concentration fluoride wastewater treatment and depth fluorine removal system under a kind of high row's standard according to claim 1, special
Sign is, is provided in the wastewater neutralizer (7) and neutralizes blender (30).
10. low concentration fluoride wastewater treatment and depth fluorine removal system under a kind of high row's standard according to claim 1, special
Sign is that the bottom preset of the ozone oxidation pond (8) has ozone generating pipe road, sets on the inlet end in the ozone generating pipe road
It is equipped with ozone generator (32)；The end top of the ozone oxidation pond (8) is provided with vent ozone destructor (33).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159033A (en) * | 2020-09-16 | 2021-01-01 | 天津市市政工程设计研究院 | Photovoltaic wastewater advanced treatment system and application method |
| CN113149359A (en) * | 2021-04-26 | 2021-07-23 | 中国市政工程华北设计研究总院有限公司 | Advanced treatment system for town sewage with high-standard synchronous removal of nitrogen and phosphorus organic matters and operation method |
| CN115448511A (en) * | 2022-10-25 | 2022-12-09 | 北京华德创业环保设备有限公司 | Deep treatment method for non-film mine water |
-
2019
- 2019-01-23 CN CN201920126071.4U patent/CN209652088U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112159033A (en) * | 2020-09-16 | 2021-01-01 | 天津市市政工程设计研究院 | Photovoltaic wastewater advanced treatment system and application method |
| CN112159033B (en) * | 2020-09-16 | 2022-07-26 | 天津市政工程设计研究总院有限公司 | Photovoltaic wastewater advanced treatment system and application method |
| CN113149359A (en) * | 2021-04-26 | 2021-07-23 | 中国市政工程华北设计研究总院有限公司 | Advanced treatment system for town sewage with high-standard synchronous removal of nitrogen and phosphorus organic matters and operation method |
| CN113149359B (en) * | 2021-04-26 | 2023-09-19 | 中国市政工程华北设计研究总院有限公司 | Advanced town sewage treatment system for high-standard synchronous removal of nitrogen and phosphorus organic matters and operation method |
| CN115448511A (en) * | 2022-10-25 | 2022-12-09 | 北京华德创业环保设备有限公司 | Deep treatment method for non-film mine water |
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