CN203295284U - Fluoride waste water treatment equipment - Google Patents
Fluoride waste water treatment equipment Download PDFInfo
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- CN203295284U CN203295284U CN2013202537017U CN201320253701U CN203295284U CN 203295284 U CN203295284 U CN 203295284U CN 2013202537017 U CN2013202537017 U CN 2013202537017U CN 201320253701 U CN201320253701 U CN 201320253701U CN 203295284 U CN203295284 U CN 203295284U
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Abstract
The utility model discloses fluoride waste water treatment equipment. The equipment comprises a control unit, and further comprises a waste water collection and adjustment unit, a neutralization and settling unit, a filter drain unit and a sludge discharge and pressure filtration unit which are sequentially connected, wherein the neutralization and settling unit comprises a three-stage reaction tank and a settling tank; the filter drain unit comprises a waste water collection pool and two devices used for further processing the fluoride waste water; the control unit comprises three pH monitoring instruments and a fluoride ion monitoring instrument; the waste water collection pool and a sand filtration tank are provided with return pipes for being connected to an adjusting tank. According to the equipment, the three-stage reaction settling tank, the sand filtration tank, a fluorine removal filter and various kinds of fluorine removal devices are arranged, in combination with the monitoring of the control unit and the matching of the return pipes, the fluoride ion can be completely removed; the waste water collection and adjustment unit, a lime slurry adding device, a sludge handling device and other return pipes are also arranged, so that the mechanized degree of the equipment is improved as a whole; the sludge is applied to the cement or fluorite production and is recycled efficiently.
Description
Technical field
The utility model relates to a kind of sewage treatment equipment, relates in particular to a kind of fluoride waste treatment facility.
Background technology
At present, along with popularizing of various flat panel display systems, particularly in small-sized production of liquid crystal displays, more and more higher to the requirement of weight and thickness, industrial production uses the reduction process of face glass in a large number, thereby has produced a large amount of fluoride wastes.Simultaneously, a large amount of dense hydrofluoric acid waste liquid of generation contains hydrofluoric acid and the fluorion of high density, and waste water acidity is very strong, and free fluorion is very harmful simultaneously, therefore must carry out harmless treatment to this part waste water, avoids environment and the people's safety is constituted a threat to.
Yet mostly the fluoride waste treatment technology that adopts both at home and abroad at present is to adopt chemical precipitation method, generally uses lime as the main medicament of processing, and mostly exists sludge yield large, disposes the high problem of mud expense; It processes fluoride waste equipment also often needs hand labor intensity large, and the mechanized operation degree is low, and wastewater treatment is thorough, the water reuse rate is low.
Summary of the invention
The purpose of this utility model is to provide a kind of fluoride waste treatment facility for the above-mentioned deficiency of existing fluoride waste treatment facility.
In order to achieve the above object, the utility model has adopted following technical scheme:
The fluoride waste treatment facility, comprise control unit, also comprises the wastewater collection regulon, Neutralization settlement unit, filtration drainage cell and spoil disposal and the press filtration unit that connect successively;
The Neutralization settlement unit is connected with first order reaction pond, one-level settling tank, one-level Waste Deposit, second order reaction pond, second-level settling pond, third order reaction pond and three grades of settling tanks in turn; The Neutralization settlement unit also comprises lime white throwing device and the coagulated agent throwing device that all is connected with above-mentioned three reaction tanks;
Filtering drainage cell comprises the wastewater collection pond that is connected with three grades of settling tanks, is connected to a sandfiltration pot in wastewater collection pond and is connected to a fluorine removing filter of sandfiltration pot; The wastewater collection pond is provided with a reflux pump and is connected the pipeline that is connected with equalizing tank; Sandfiltration pot is provided with a pipeline that is connected to equalizing tank;
Control unit comprises a pH monitor that is connected with the first order reaction pond, the 2nd a pH monitor that is connected with the wastewater collection pond and is connected the fluorion on-line monitoring instrument that is connected with the wastewater collection pond.
In three reaction tanks, to first feeding lime breast in the first order reaction pond, the pH value of waste water is reached between 8.5～9.5, make Ca
2+With F
-Reaction generates CaF
2Precipitation, then drop into the PAM(polyacrylamide); Second order reaction adds CaCl in pond
2, then drop into PAM, PAC(polymerize aluminum chloride); Add Al in the third order reaction pond
2(S0
4)
3Waste water enters settling tank and precipitates after reaction tank reaction, effluent collection, in the wastewater collection pond, enters sandfiltration pot under the pressure of 0.6MPa, enter afterwards fluorine removing filter again, wherein in sandfiltration pot with Al
2O
3, as main filtrate, further remove fluorion in water.
By multiple fluorine removal devices such as three reaction tanks and settling tank, sandfiltration pot, fluorine removing filters, and the cooperation of the monitoring of control unit and reflux line, the thorough removal of fluorinion in waste water guaranteed.
Particularly, the wastewater collection regulon comprise conduit, the equalizing tank that is connected with conduit, be positioned at the second whipping appts of equalizing tank, a waste water lifting pump that is positioned at a liquidometer of equalizing tank and with liquidometer, is electrically connected to.Waste water is collected by conduit, flow by gravity enters equalizing tank, by mechanical stirring, the various compositions of waste water are fully mixed, avoiding the sweat that causes because of density unevenness to process may, speed of reaction and the effect of subsequent disposal have been improved, the waste water lifting pump under the pH in liquidometer and first order reaction pond controls, is realized automatic start-stop.
Particularly, the lime white throwing device comprises lime dissolving tank, the dry type lime throwing device that is connected with the lime dissolving tank, is positioned at first whipping appts and the lime white transferpump that is connected with the lime dissolving tank of lime dissolving tank.
Particularly, spoil disposal and press filtration unit comprise the sludge pump that is positioned at three settling tanks, a sludge sump that is connected with three settling tanks, the 3rd whipping appts that is positioned at sludge sump, are connected to a surge pump of sludge sump and a plate-and-frame filter press that is connected with sludge sump.Waste water after settling tank precipitates, has sludge pump that bottom mud is entered sludge sump, and the 3rd whipping appts in sludge sump guarantees that mud does not harden; Surge pump is pressed into plate-and-frame filter press with mud, carries out sludge dehydrating and drying, and after mummification, the mud packing, can be used for manufacture of cement or fluorite production.
Preferably, the liquid outlet of plate-and-frame filter press is connected to the one-level Waste Deposit through a passage.Be plate-and-frame filter press after mud is dewatered, its supernatant liquor is back to the one-level Waste Deposit through passage, thereby fluoride waste is carried out thoroughly defluorination, processes.
Particularly, control unit also comprises the 3rd a pH monitor that is connected with the one-level Waste Deposit.
Preferably, equipment also comprises clean water basin that are connected with fluorine removing filter, and clean water basin are respectively equipped with the reflux line that is connected to fluorine removing filter and sandfiltration pot.These clean water basin are equally also in order to guarantee the abundant removal of fluorion.
The utility model discloses the fluoride waste treatment facility, this equipment is by a plurality of defluorinations unit such as third order reaction settling tank, sandfiltration pot, fluorine removing filters, and the cooperation of the monitoring of control unit and reflux line, has guaranteed the thorough removal of fluorinion in waste water; In addition, the processing of the collection regulon of waste water, lime white throwing device, mud and some other reflux line, jointly make whole treatment facility mechanization degree improve, also can be applied to after sludge treatment in manufacture of cement or fluorite production, thereby make it obtain effective recycling.
Description of drawings
Fig. 1 is fluoride waste treatment facility schematic diagram;
Fig. 2 is fluoride waste treatment facility process schematic representation;
Number in the figure: equalizing tank 1, first order reaction pond 2, one-level settling tank 3, one-level Waste Deposit 4, second order reaction pond 5, second-level settling pond 6,7, three grades, third order reaction pond settling tank 8, wastewater collection pond 9, sandfiltration pot 10, fluorine removing filter 11, clean water basin 12, sludge sump 13, plate-and-frame filter press 14.
Embodiment
Below in conjunction with specific embodiment, the technical solution of the utility model is made further clear and complete instructions.
Embodiment
Embodiment discloses the fluoride waste treatment facility, and in conjunction with Fig. 1 and Fig. 2, this equipment comprises control unit, also comprises the wastewater collection regulon, Neutralization settlement unit, filtration drainage cell and spoil disposal and the press filtration unit that connect successively;
The wastewater collection regulon comprises conduit, equalizing tank 1, the second whipping appts that is positioned at equalizing tank 1 that is connected with conduit, a waste water lifting pump that is positioned at a liquidometer of equalizing tank 1 and with liquidometer, is electrically connected to;
The Neutralization settlement unit is connected with first order reaction pond 2, one-level settling tank 3, one-level Waste Deposit 4, second order reaction pond 5, second-level settling pond 6, third order reaction pond 7 and three grades of settling tanks 8 in turn; The Neutralization settlement unit also comprises lime white throwing device and the coagulated agent throwing device that all is connected with three reaction tanks; The lime white throwing device comprises lime dissolving tank, the dry type lime throwing device that is connected with the lime dissolving tank, is positioned at first whipping appts and the lime white transferpump that is connected with the lime dissolving tank of lime dissolving tank;
Filtering drainage cell comprises the wastewater collection pond 9 that is connected with three grades of settling tanks 8, is connected to a sandfiltration pot 10 in wastewater collection pond 9 and is connected to a fluorine removing filter 11 of sandfiltration pot 10; Wastewater collection pond 9 is provided with a reflux pump and is connected the pipeline that is connected with equalizing tank 1; Sandfiltration pot 10 is provided with a pipeline that is connected to equalizing tank 1;
Spoil disposal and press filtration unit comprise the sludge pump that is positioned at three settling tanks, a sludge sump 13 that is connected with three settling tanks, the 3rd whipping appts that is positioned at sludge sump 13, are connected to a surge pump of sludge sump 13 and a plate-and-frame filter press 14 that is connected with sludge sump 13, and the liquid outlet of plate-and-frame filter press 14 is connected to one-level Waste Deposit 4 through a passage;
Control unit comprises a pH monitor that is connected with first order reaction pond 2, the 2nd a pH monitor that is connected with wastewater collection pond 9, a fluorion on-line monitoring instrument that is connected with wastewater collection pond 9 and is connected the 3rd pH monitor that is connected with one-level Waste Deposit 4;
Equipment also comprises clean water basin 12 that are connected with fluorine removing filter 11, and clean water basin 12 are respectively equipped with the reflux line that is connected to fluorine removing filter 11 and sandfiltration pot 10.
Concrete technical process is:
At first, waste water is collected by conduit, flow by gravity enters equalizing tank 1, by mechanical stirring, the various compositions of waste water are fully mixed, avoiding the sweat that causes because of density unevenness to process may, improved speed of reaction and the effect of subsequent disposal, the waste water lifting pump under the pH in liquidometer and first order reaction pond 2 controls, is realized automatic start-stop.
Then, waste water enters the Neutralization settlement unit, in three reaction tanks, to first feeding lime breast in first order reaction pond 2, the pH value of waste water is reached between 8.5～9.5, makes Ca
2+With F
-Reaction generates CaF
2Precipitation, then drop into the PAM(polyacrylamide); Add CaCl in one second order reaction pond 5
2, then drop into PAM, PAC(polymerize aluminum chloride), wherein, the concentration of PAM is 10～20ppm, the general reaction times is 25～30 minutes; Add Al in third order reaction pond 7
2(S0
4)
3
Waste water enters settling tank and precipitates after reaction tank reaction, effluent collection, in wastewater collection pond 9, enters sandfiltration pot 10 under the pressure of 0.6MPa, enter afterwards fluorine removing filter 11 again, wherein in sandfiltration pot 10 with Al
2O
3, as main filtrate, further remove fluorion in water.Water outlet flow to clean water basin 12 through fluorine removing filter 11, as reaches emission standard, discharges; As do not reach emission standard, and again through reflux line, be back to sandfiltration pot 10 or fluorine removing filter 11, carry out defluorination again.
Waste water after settling tank precipitates, has sludge pump that bottom mud is entered sludge sump 13, and the 3rd whipping appts in sludge sump 13 guarantees that mud does not harden; Surge pump is pressed into plate-and-frame filter press 14 with mud, carries out sludge dehydrating and drying, and after mummification, the mud packing, can be used for manufacture of cement or fluorite production; Plate-and-frame filter press 14 is after dewatering to mud, and its supernatant liquor is back to one-level Waste Deposit 4 through passage, thereby fluoride waste is carried out defluorination thoroughly, processes.
By above-described embodiment as can be known, the disclosed fluoride waste treatment facility of the utility model is by a plurality of defluorinations unit such as third order reaction settling tank, sandfiltration pot, fluorine removing filters, and the cooperation of the monitoring of control unit and reflux line, guaranteed the thorough removal of fluorinion in waste water; In addition, the processing of the collection regulon of waste water, lime white throwing device, mud and some other reflux line, jointly make whole treatment facility mechanization degree improve, also can be applied to after sludge treatment in manufacture of cement or fluorite production, thereby make it obtain effective recycling.
It should be noted that above-described embodiment is only to the illustrating of the technical solution of the utility model, and be not used in restriction the utility model, everyly the utility model is done being equal to of same design replace or conversion, all belong to protection domain of the present utility model.
Claims (7)
1. the fluoride waste treatment facility, is characterized in that: comprise control unit, also comprise the wastewater collection regulon, Neutralization settlement unit, filtration drainage cell and spoil disposal and the press filtration unit that connect successively;
Described Neutralization settlement unit is connected with first order reaction pond (2), one-level settling tank (3), one-level Waste Deposit (4), second order reaction pond (5), second-level settling pond (6), third order reaction pond (7) and three grades of settling tanks (8) in turn; Described Neutralization settlement unit also comprises lime white throwing device and the coagulated agent throwing device that all is connected with above-mentioned three reaction tanks;
Described filtration drainage cell comprises the wastewater collection pond (9) that is connected with three grades of settling tanks (8), be connected to a sandfiltration pot (10) in described wastewater collection pond (9) and be connected to the fluorine removing filter (11) of sandfiltration pot (10); Described wastewater collection pond (9) is provided with a reflux pump and is connected the pipeline that is connected with described equalizing tank (1); Described sandfiltration pot (10) is provided with a pipeline that is connected to described equalizing tank (1);
Described control unit comprises a pH monitor that is connected with first order reaction pond (2), the 2nd a pH monitor that is connected with wastewater collection pond (9) and is connected the fluorion on-line monitoring instrument that is connected with wastewater collection pond (9).
2. equipment according to claim 1 is characterized in that: equalizing tank (1), the second whipping appts that is positioned at equalizing tank (1) that described wastewater collection regulon comprises conduit, be connected with conduit, be positioned at a liquidometer of equalizing tank (1) and the waste water lifting pump that is electrically connected to liquidometer.
3. equipment according to claim 1, it is characterized in that: described lime white throwing device comprises lime dissolving tank, the dry type lime throwing device that is connected with the lime dissolving tank, is positioned at first whipping appts and the lime white transferpump that is connected with the lime dissolving tank of lime dissolving tank.
4. equipment according to claim 1 is characterized in that: a sludge sump (13), the 3rd whipping appts that is positioned at sludge sump (13), a surge pump that is connected to sludge sump (13) and a plate-and-frame filter press (14) that is connected with sludge sump (13) that described spoil disposal and press filtration unit comprise the sludge pump that is positioned at described three settling tanks, all are connected with described three settling tanks.
5. equipment according to claim 4, it is characterized in that: the liquid outlet of described plate-and-frame filter press (14) is connected to described one-level Waste Deposit (4) through a passage.
6. equipment according to claim 1, it is characterized in that: described control unit also comprises the 3rd a pH monitor that is connected with one-level Waste Deposit (4).
7. equipment according to claim 1, it is characterized in that: described equipment also comprises clean water basin (12) that are connected with described fluorine removing filter (11), and described clean water basin (12) are respectively equipped with the reflux line that is connected to described fluorine removing filter (11) and described sandfiltration pot (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202537017U CN203295284U (en) | 2013-05-10 | 2013-05-10 | Fluoride waste water treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202537017U CN203295284U (en) | 2013-05-10 | 2013-05-10 | Fluoride waste water treatment equipment |
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| Publication Number | Publication Date |
|---|---|
| CN203295284U true CN203295284U (en) | 2013-11-20 |
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ID=49571315
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202537017U Expired - Fee Related CN203295284U (en) | 2013-05-10 | 2013-05-10 | Fluoride waste water treatment equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324541A (en) * | 2017-08-02 | 2017-11-07 | 三明福特科光电有限公司 | A kind of anodic metal oxide sewage multi-level handling system and its processing method |
| CN109020019A (en) * | 2018-10-30 | 2018-12-18 | 湖北凯乐量子通信光电科技有限公司 | A kind of acidic fluorine-containing waste water purifying processing device |
| CN114644414A (en) * | 2022-03-23 | 2022-06-21 | 山东兖矿国际焦化有限公司 | First-stage defluorination agent regulation and control method |
| CN115572028A (en) * | 2022-12-07 | 2023-01-06 | 深圳永清水务有限责任公司北京分公司 | Method and device for treating phosphorus-containing fluorine-containing wastewater |
-
2013
- 2013-05-10 CN CN2013202537017U patent/CN203295284U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324541A (en) * | 2017-08-02 | 2017-11-07 | 三明福特科光电有限公司 | A kind of anodic metal oxide sewage multi-level handling system and its processing method |
| CN107324541B (en) * | 2017-08-02 | 2023-12-19 | 三明福特科光电有限公司 | Multistage treatment system and treatment method for metal anodic oxidation sewage |
| CN109020019A (en) * | 2018-10-30 | 2018-12-18 | 湖北凯乐量子通信光电科技有限公司 | A kind of acidic fluorine-containing waste water purifying processing device |
| CN114644414A (en) * | 2022-03-23 | 2022-06-21 | 山东兖矿国际焦化有限公司 | First-stage defluorination agent regulation and control method |
| CN115572028A (en) * | 2022-12-07 | 2023-01-06 | 深圳永清水务有限责任公司北京分公司 | Method and device for treating phosphorus-containing fluorine-containing wastewater |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 |