CN209113637U - Gypsum stack percolation liquid treating system - Google Patents
Gypsum stack percolation liquid treating system Download PDFInfo
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- CN209113637U CN209113637U CN201821773356.9U CN201821773356U CN209113637U CN 209113637 U CN209113637 U CN 209113637U CN 201821773356 U CN201821773356 U CN 201821773356U CN 209113637 U CN209113637 U CN 209113637U
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Abstract
The utility model discloses a kind of gypsum stack percolation liquid treating system, Xing, which has determined, the investment of existing Sewage treatment system equipment and transports problem at high cost, that treatment effect is unstable.Technical solution includes sequentially connected sewage collecting pool, the reaction tank of two-stage series connection and sewage discharge pond, the reaction tank is divided into the regulatory region of leading portion, middle section coagulation area and back segment by two pieces of partition walls and reacts settling zone, partition wall lower section between the regulatory region and coagulation area is provided with flow orifice, coagulation blender is equipped in regulatory region and coagulation area, the reaction settling zone bottom is equipped with the first collection bucket, and first collection bucket is connect through pipeline with dewatering system.Tthe utility model system is simple, easily operated, investment is low with operating cost, pollutants removal rate is high, environmentally friendly.
Description
Technical field
The utility model relates to field of waste water treatment, specifically a kind of gypsum stack percolation liquid treating system.
Background technique
Phosphorous chemical industry enterprise can generate the largely sewage containing ammonia, phosphorus in process of production, while ardealite storage yard is let off in heap
Cheng Zhong, the high ammonia of generation, high phosphoric acid, high fluorine, highly acid percolate be required to handle it is up to standard after discharge or reuse.It is domestic
Phosphorous chemical industry enterprise system is huge, and there is presently no many percolates processing engineering, the case for operation of going into operation, if without suitable
Processing system can cause to seriously endanger to ecological environment.The country has ammonia aeration, break to add for the processing method of high ammonia sewage
Chlorine, ion exchange etc., in various degree by temperature and treatment effect, operating cost or regenerative wastewater are difficult the problems such as limit
System.How operating cost is reduced, and the removal rate of ammonia root, phosphate radical, fluorine ion in sewage, reducing environmental pollution is art technology
Personnel need the direction studied.
Summary of the invention
Purpose of the utility model is to solve above-mentioned technical problem, provide that a kind of system is simple, easily operated, investment
, ammonia nitrogen removal frank low with operating cost, environment amenable gypsum stack percolation liquid treating system.
Technical solution includes sequentially connected sewage collecting pool, the reaction tank of two-stage series connection and sewage discharge pond, described anti-
Ying Chi is divided into the regulatory region of leading portion, middle section coagulation area and back segment by two pieces of partition walls and reacts settling zone, the regulatory region and coagulation
Partition wall lower section between area is provided with flow orifice, and coagulation blender, the reaction settling zone bottom are equipped in regulatory region and coagulation area
Portion is equipped with the first collection bucket, and first collection bucket is connect through pipeline with dewatering system.
The bottom of the sewage collecting pool is equipped with waste water lifting pump, and the waste water lifting pump is connect through pipeline with stripping tower.
The bottom in the sewage discharge pond is pumped equipped with sewage discharge, and the sewage discharge pump is connect through pipeline with the external world.
The coagulation area bottom of the reaction tank is equipped with the second collection bucket, and second collection bucket is through pipeline and thickening system
System connection.
The first pH detector, ammonia nitrogen are respectively equipped in the coagulation area of first order reaction tank in the reaction tank of the two-stage series connection
Detector and the first phosphate radical detector, the first pH detector, ammonia nitrogen detector and the first phosphate radical detector respectively with
The input terminal of PLC connects, and the output end of the PLC connects with the first sodium hydroxide adding equipment and magnesium hydroxide adding equipment respectively
It connects, the first sodium hydroxide adding equipment connects the feeding port of regulatory region with magnesium hydroxide adding equipment.
Be respectively equipped in the regulatory region of second level reaction tank in the reaction tank of the two-stage series connection the 2nd pH detector, fluorine from
Sub- detector and the second phosphate radical detector, the 2nd pH detector, fluorine ion detector and the second phosphate radical detector point
Do not connect with the input terminal of PLC, the output end of the PLC respectively with the second sodium hydroxide adding equipment, PAC adding equipment and hydrogen
The connection of calcium oxide adding equipment, the second sodium hydroxide adding equipment, PAC adding equipment are connected with calcium hydroxide adding equipment
The feeding port of the regulatory region.
The 3rd pH detector, the input terminal connection of the 3rd pH detector and PLC, institute are equipped in the sewage discharge pond
State the output end connection concentrated sulfuric acid adding equipment of PLC.
The utility model has the advantages that
(1) Tthe utility model system is directed to the water quality characteristics of gypsum stack percolate, is based on " coagulating sedimentation " and " sludge
The principle of separation ", devises two-stage reaction pond, makes percolate first through ammonium ion and phosphoric acid in level-one coagulating sedimentation removal percolate
Radical ion；Fluorine ion and remaining phosphate anion in removal percolate are precipitated through two-stage coagulation again, achievees the purpose that efficiently to remove；
(2) reaction pool structure is improved, regulatory region, middle section coagulation area and back segment that reaction tank is divided into leading portion is reacted
Settling zone adjusts pH value of waste water in regulatory region, is mixed material in coagulation area, finally further reacts and sinks in reaction settling zone
It forms sediment, guarantees reaction sufficiently, react precipitating sludge and waste water and be separately recovered, it is environmentally friendly, pollutants removal rate is high.
(3) the material dosage in two-stage reaction pond can be automatically controlled according to monitoring data by PLC, time saving and energy saving, control
Accurately, the removal rate of pollutant in percolate is further improved.
(4) Tthe utility model system is simple, easily operated, investment is low with operating cost, pollutants removal rate is high, to environment
Close friend is suitable for gypsum stack percolate and handles.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
1- sewage collecting pool, 2- sewage pump, 3- first order reaction pond, 4- second order reaction pond, 5- sewage discharge pond, 6- are dirty
Water emptying pump, 7- regulatory region, 8- coagulation area, 9- reaction settling zone, 10- flow orifice, 11- salt slurry thickening system, 12- every
Wall, the first collection bucket of 13-, the second collection bucket of 14-, the miscellaneous mud thickening system of 15-, 16- coagulation blender, the first pH of 17- inspection
Survey instrument, 18- ammonia nitrogen detector, the first phosphate radical of 19- detector, 20 the 2nd pH detectors, 21- fluorine ion detector, 22- second
Phosphate radical detector, the first sodium hydroxide adding equipment of 23-PLC, 24-, 25- magnesium hydroxide adding equipment, the second hydroxide of 26-
Sodium adding equipment, 27-PAC adding equipment, 28- calcium hydroxide adding equipment, 29-PAM adding equipment, the 3rd pH detector of 30-,
31- concentrated sulfuric acid adding equipment.
Specific embodiment
Explanation is further explained to the utility model with reference to the accompanying drawing:
Referring to Fig. 1, sewage collecting pool 1, first order reaction pond 3, second order reaction pond 4 and sewage discharge pond 5 are sequentially connected,
In, the bottom of the sewage collecting pool 1 is equipped with sewage pump 2, and the waste water lifting pump 2 connects through pipeline and first order reaction pond 3
It connects；First order reaction pond 3 is identical with 4 structure of second order reaction pond, and by taking first order reaction pond 3 as an example, reaction tank is separated by two pieces of partition walls 12
Settling zone 9 is reacted for the regulatory region 7 of leading portion, middle section coagulation area 8 and back segment, the partition wall 12 between the regulatory region 7 and coagulation area 8
Lower section is provided with flow orifice 10, and coagulation blender 16 is equipped in regulatory region 7 and coagulation area 8, and 9 bottom of reaction settling zone is equipped with
First salt slurry collection bucket 13,8 bottom of middle section coagulation area are equipped with the second salt slurry collection bucket 14, the first salt slurry collection bucket 13 and the
Two salt slurry collection buckets 14 are connect through pipeline with salt slurry thickening system 11；The miscellaneous mud of 4 bottom of second order reaction pond is through pipe
Miscellaneous mud thickening system 15 is sent into road；The bottom in the sewage discharge pond 5 is equipped with sewage discharge pump 6, the sewage discharge pump 6
It is connect through pipeline with the external world.
Be respectively equipped in the coagulation area 8 of first order reaction tank in the reaction tank of the two-stage series connection the first pH detector 17,
Ammonia nitrogen detector 18 and the first phosphate radical detector 19, the first pH detector 17, ammonia nitrogen detector 18 and the first phosphate radical
Detector 19 is connect with the input terminal of PLC23 respectively, the output end of the PLC23 respectively with the first sodium hydroxide adding equipment 24
It is connected with magnesium hydroxide adding equipment 25, the first sodium hydroxide adding equipment 24 and the connection of magnesium hydroxide adding equipment 25 one
The feeding port of the regulatory region 7 in order reaction pond 3.
Be respectively equipped in the regulatory region 7 of second level reaction tank in the reaction tank of the two-stage series connection the 2nd pH detector 20,
Fluorine ion detector 21 and the second phosphate radical detector 22, the 2nd pH detector 20, fluorine ion detector 21 and the second phosphorus
Acid group detector 22 is connect with the input terminal of PLC23 respectively, and the output end of the PLC23 adds with the second sodium hydroxide set respectively
Standby 26, PAC adding equipment 27 and calcium hydroxide adding equipment 28 connect, and the second sodium hydroxide adding equipment 26, PAC are added
Equipment 27 and calcium hydroxide adding equipment 28 connect the feeding port of the regulatory region 7 in the second order reaction pond 4, PAM adding equipment 29
Connect the feeding port in the coagulation area 8 in the second order reaction pond 4.
The 3rd pH detector 30, the input terminal of the 3rd pH detector 30 and PLC23 are equipped in the sewage discharge pond 5
The output end of connection, the PLC23 connects concentrated sulfuric acid adding equipment 31.
Working principle:
Percolate (sewage) to be processed is discharged into the collection of sewage collecting pool 1, then send through the pressurization of sewage pump 2 anti-to level-one
It answers in pond 3, is introduced into regulatory region 7, PLC23 is according to the first pH detector 17, ammonia nitrogen detector 18 and the first phosphoric acid in coagulation area 8
The data collected of root detector 19, control the first sodium hydroxide adding equipment 24 and magnesium hydroxide adding equipment after analytical judgment
25 put into sodium hydroxide solution and magnesium hydroxide to regulatory region 7, to control the sewage pH for entering coagulation area 9.0~9.5, simultaneously
Mg in molar ratio2+: NH4 +The ratio of=1.2:1 provides magnesium ion, passed through after the coagulation blender 16 of regulatory region 7 tentatively is mixed every
The flow orifice 10 of 12 lower section of wall flows into coagulation area 8, and in the case where the coagulation blender 16 in coagulation area 8 acts on, each material mixes well flocculation
Magnesium ammonium phosphate precipitating is generated, the precipitating salt slurry of bottom is sent into salt slurry thickening system 11 after being collected by the second collection bucket 14, is mixed
The sewage of coagulation zone 8 is again through 12 overflow of partition wall to reaction settling zone 9；Waste water into reaction settling zone 9 further flocculates and with salt
The form of mud precipitates, and is sent into salt slurry thickening system 11 after then salt slurry is collected by the first salt slurry collection bucket 13, salt slurry passes through
The higher magnesium ammonium phosphate mud cake of purity can be obtained after the processing of salt slurry thickening system 11, so that most ammonia radical ions pass through
Magnesium ammonium phosphate is precipitated and is removed, and the removal rate of ammonia radical ion is 96% or more.React the clarified solution ammonia radical ion of 9 upper section of settling zone
Removal rate 96% or more.
The clarified solution overflow of 9 upper section of reaction settling zone in the first order reaction pond 3 enters the regulatory region 7 in second order reaction pond 4,
PLC23 is according to the 2nd pH detector 20, fluorine ion detector 21 and the number collected of the second phosphate radical detector 22 in regulatory region 7
According to controlling the second sodium hydroxide adding equipment 26, PAC adding equipment 27 and calcium hydroxide adding equipment 28 after analytical judgment to tune
It saves area 7 and puts into calcium hydroxide, sodium hydroxide solution and PAC, to control into molar ratio Ca in sewage in regulatory region 72+: PO4 3-=
3:2 and Ca2+: F-=1: 2, the flow orifice 10 after the coagulation blender 16 of regulatory region 7 is tentatively mixed through 12 lower section of partition wall flows into
Coagulation area 8, meanwhile, PAM adding equipment 29 adds mouth to coagulation area 8 and continuously adds PAM, the coagulation blender 16 in coagulation area 8
Each material mixes well flocculation and generates the precipitating such as magnesium phosphate, calcium phosphate, calcirm-fluoride under effect, and the miscellaneous mud of the precipitating of bottom is received by second
Collection bucket 14 is sent into miscellaneous mud thickening system 15 after collecting, the sewage in coagulation area 8 is again through 12 overflow of partition wall to reaction settling zone 9；
Waste water into reaction settling zone 9 further flocculates and precipitates, and is then discharged in the form of miscellaneous mud by the first salt slurry collection bucket 13
Miscellaneous mud thickening system 15 is sent into after collection.The aluminium hydroxide alumen ustum energy adsorption-flocculation body that the PAC of investment is generated, is added
PAM net catches the volume effect of sweeping, and ensure that most chemical precipitates are discharged in the form of miscellaneous mud, so that phosphate radical, fluorine ion
Removal rate is 96% or more.
The clarified solution overflow of 9 upper section of reaction settling zone of second reaction tank 4 enters in sewage discharge pond 5, PLC23 root
Concentrated sulfuric acid adding equipment 31 is controlled according to the data collected of the 3rd pH detector 30 in sewage discharge pond 5, after analytical judgment to dirt
Water discharge pond 5, which adds mouth and adds the concentrated sulfuric acid, controls the pH value of clarified solution in neutrality, most afterwards through 6 discharge of sewage discharge pump it is extraneous into
Row is further processed or reuse.
Claims (7)
1. a kind of gypsum stack percolation liquid treating system, which is characterized in that including sequentially connected sewage collecting pool, two-stage string
The reaction tank of connection and sewage discharge pond, the reaction tank by two pieces of partition walls be divided into the regulatory region of leading portion, middle section coagulation area and after
The settling zone Duan Fanying, the partition wall lower section between the regulatory region and coagulation area are provided with flow orifice, are all provided in regulatory region and coagulation area
There is coagulation blender, the reaction settling zone bottom is equipped with the first collection bucket, and first collection bucket is through pipeline and dewatering system
Connection.
2. gypsum stack percolation liquid treating system as described in claim 1, which is characterized in that the bottom of the sewage collecting pool
Portion is equipped with sewage pump, and the sewage pump is connect through pipeline with reaction tank.
3. gypsum stack percolation liquid treating system as described in claim 1, which is characterized in that the bottom in the sewage discharge pond
Portion is pumped equipped with sewage discharge, and the sewage discharge pump is connect through pipeline with the external world.
4. gypsum stack percolation liquid treating system as described in claim 1, which is characterized in that the coagulation area of the reaction tank
Bottom is equipped with the second collection bucket, and second collection bucket is connect through pipeline with thickening system.
5. gypsum stack percolation liquid treating system according to any one of claims 1-4, which is characterized in that the two-stage string
The first pH detector, ammonia nitrogen detector and the first phosphate radical are respectively equipped in the coagulation area of first order reaction tank in the reaction tank of connection
Detector, the first pH detector, ammonia nitrogen detector and the first phosphate radical detector are connect with the input terminal of PLC respectively, institute
The output end for stating PLC is connect with the first sodium hydroxide adding equipment and magnesium hydroxide adding equipment respectively, first hydroxide
Sodium adding equipment connects the feeding port of regulatory region with magnesium hydroxide adding equipment.
6. gypsum stack percolation liquid treating system as claimed in claim 5, which is characterized in that the reaction of the two-stage series connection
The 2nd pH detector, fluorine ion detector and the detection of the second phosphate radical are respectively equipped in pond in the regulatory region of second level reaction tank
Instrument, the 2nd pH detector, fluorine ion detector and the second phosphate radical detector are connect with the input terminal of PLC respectively, described
The output end of PLC is connect with the second sodium hydroxide adding equipment, PAC adding equipment and calcium hydroxide adding equipment respectively, described
Second sodium hydroxide adding equipment, PAC adding equipment connect the feeding port of the regulatory region with calcium hydroxide adding equipment.
7. gypsum stack percolation liquid treating system as claimed in claim 5, which is characterized in that set in the sewage discharge pond
There is the 3rd pH detector, the output end connection concentrated sulfuric acid of the input terminal connection of the 3rd pH detector and PLC, the PLC is thrown
Oil (gas) filling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773356.9U CN209113637U (en) | 2018-10-30 | 2018-10-30 | Gypsum stack percolation liquid treating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773356.9U CN209113637U (en) | 2018-10-30 | 2018-10-30 | Gypsum stack percolation liquid treating system |
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| Publication Number | Publication Date |
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| CN209113637U true CN209113637U (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821773356.9U Active CN209113637U (en) | 2018-10-30 | 2018-10-30 | Gypsum stack percolation liquid treating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282783A (en) * | 2019-07-23 | 2019-09-27 | 格丰科技材料有限公司 | A kind of processing system and processing method of phosphorus ammonium wastewater from chemical industry |
| CN114920417A (en) * | 2022-06-28 | 2022-08-19 | 中化云龙有限公司 | Equipment and method for deep purification treatment of phosphogypsum slag warehouse leachate |
-
2018
- 2018-10-30 CN CN201821773356.9U patent/CN209113637U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282783A (en) * | 2019-07-23 | 2019-09-27 | 格丰科技材料有限公司 | A kind of processing system and processing method of phosphorus ammonium wastewater from chemical industry |
| CN110282783B (en) * | 2019-07-23 | 2021-10-22 | 格丰科技材料有限公司 | Ammonium phosphate chemical wastewater treatment system and method |
| CN114920417A (en) * | 2022-06-28 | 2022-08-19 | 中化云龙有限公司 | Equipment and method for deep purification treatment of phosphogypsum slag warehouse leachate |
| CN114920417B (en) * | 2022-06-28 | 2024-03-05 | 中化云龙有限公司 | Equipment and method for deep purification treatment of phosphogypsum slag warehouse percolate |
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