CN103508625B - A kind for the treatment of facility of removing fluoride and calcium ion in coal chemical industry sewage - Google Patents
A kind for the treatment of facility of removing fluoride and calcium ion in coal chemical industry sewage Download PDFInfo
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- CN103508625B CN103508625B CN201310301636.5A CN201310301636A CN103508625B CN 103508625 B CN103508625 B CN 103508625B CN 201310301636 A CN201310301636 A CN 201310301636A CN 103508625 B CN103508625 B CN 103508625B
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- Prior art keywords
- mud
- biochemical treatment
- water
- facility
- treatment apparatus
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- 239000010865 sewage Substances 0.000 title claims abstract description 23
- 239000000126 substance Substances 0.000 title claims abstract description 22
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 title claims abstract description 20
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910001424 calcium ion Inorganic materials 0.000 title claims abstract description 17
- 239000003245 coal Substances 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000010802 sludge Substances 0.000 claims abstract description 23
- 238000010992 reflux Methods 0.000 claims abstract description 20
- 239000003814 drug Substances 0.000 claims abstract description 19
- 238000003860 storage Methods 0.000 claims abstract description 12
- 239000011499 joint compound Substances 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims description 23
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000032696 parturition Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 22
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- 230000009183 running Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a kind for the treatment of facility of removing fluoride and calcium ion in coal chemical industry sewage, it is characterized in that: this equipment comprises biochemical treatment apparatus, device for separating mud and water, medicament storage and throwing device, sludge reflux and exhaust system and control device. Because the present invention has adopted the treatment facility that comprises biochemical treatment apparatus, device for separating mud and water, medicament storage and throwing device, sludge reflux and exhaust system and control device, by biochemical treatment with add assistant medicament and process combined treatment process, remove in advance part polluter, create advantage for follow-up sewage disposal, reached better wastewater treatment efficiency; In addition, can independent operating and control due to biochemical treatment apparatus and device for separating mud and water, not only make treatment facility operation more flexible, also can simplify when needed handling process, raise the efficiency.
Description
Technical field
The present invention relates to coal chemical industry sewage treatment facility field, specifically refer to a kind of remove in coal chemical industry sewage fluoride and calcium fromThe treatment facility of son.
Background technology
In coal chemical industry enterprises production process, can discharge large amount of sewage, main dirty except containing organic pollution, ammonia nitrogen etc. in sewageDye outside material, also contain a large amount of fluorides and calcium ion etc., the existence of these materials can make the hardness of water quality higher, if notTake effective treating method to remove fluoride and the calcium ion in sewage, easily cause sewage discharge pipe network and follow-up sewage placeThere is serious scale problems in reason device, affects the normal operation of coal chemical industry sewage treatment plant. At present, remove fluorine in sewageThe method of compound and calcium ion mainly contains absorption method and chemical method, and absorption method can be removed by ion-exchange or chemical reactionFluoride in sewage, but absorption method is only applicable to process the fluoride waste of low concentration, in the time that fluoride concentration is higher, goesRemove effect poor; Chemical method is another main methods of processing fluorine containing waste water, generates fluoride heavy by feeding limeThereby form sediment and reach removal effect, but excessive feeding lime can make the calcium ion content in waste water increase, and easily in device, producesRaw scale problems, for follow-up sewage disposal has increased difficulty. At present, the biochemical treatment of development of new and add assistant medicamentThe combined treatment equipment of processing becomes the new problem of fluoride and calcium ion treatment process development in coal chemical industry sewage.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, provides that a kind of flow process is simple, treatment effectThe treatment facility of fluoride and calcium ion in the removal coal chemical industry sewage of flexible operation well.
The present invention solves the problems of the technologies described above adopted technical scheme: fluoride and calcium in a kind of removal coal chemical industry sewageThe treatment facility of ion, this equipment comprises biochemical treatment apparatus, device for separating mud and water, medicament storage and throwing device, dirtMud backflow and exhaust system and control device, wherein, biochemical treatment apparatus and device for separating mud and water are communicated with by cutting off facilityOr cut off, described medicament storage and throwing device are positioned at described biochemical treatment apparatus top coupled logical, described biochemistryTreating apparatus, device for separating mud and water are all communicated with exhaust system with sludge reflux.
As preferably, above-mentioned biochemical treatment apparatus comprises anaerobic zone, anoxic zone and aerobic zone, above-mentioned medicament storage with addDevice is connected with the aerobic zone of biochemical treatment apparatus.
Preferably, above-mentioned device for separating mud and water comprises that mud-water separation district, biochemical treatment district and mud-water separation separate disconnected facility,Wherein, described biochemical treatment district and mud-water separation separate disconnected facility between biochemical treatment apparatus and mud-water separation district.
Preferably, described sludge reflux and exhaust system comprise mud and mixed-liquor return pump, sludge reflux passage, spoil disposalPassage and drainage channel, wherein, the two ends of sludge reflux passage are connected with device for separating mud and water with biochemical treatment apparatus respectivelyLogical, one end of spoil disposal passage and drainage channel is communicated with device for separating mud and water.
Preferably, described control device comprises blower system and control system, and described blower system is by variable-frequency motor control.
Compared with prior art, the invention has the advantages that: comprise biochemical treatment apparatus, muddy water because the present invention has adoptedThe treatment facility of separator, medicament storage and throwing device, sludge reflux and exhaust system and control device, by lifeChanging to process and add assistant medicament and process combined treatment process, remove in advance part polluter, is follow-up sewageAdvantage has been created in processing, reaches better wastewater treatment efficiency; In addition, due to biochemical treatment apparatus and mud-water separationDevice can independent operating and control, not only makes treatment facility operation more flexible, also can simplify when needed and process streamJourney, raises the efficiency.
Brief description of the drawings
Fig. 1 is technological process of the present invention and combination unit figure.
Detailed description of the invention
Be described in further detail below in conjunction with accompanying drawing.
Embodiment 1: as shown in Figure 1, a kind for the treatment of facility of removing fluoride and calcium ion in coal chemical industry sewage, this is establishedStandby comprise biochemical treatment apparatus, device for separating mud and water, medicament storage and throwing device 8, sludge reflux and exhaust system andControl device, wherein, biochemical treatment apparatus and device for separating mud and water are communicated with or cut off by cutting off facility, and described medicament is depositedStorage is positioned at described biochemical treatment apparatus top coupled logical with throwing device 8, and described biochemical treatment apparatus, muddy water divideAll be communicated with exhaust system with sludge reflux from device.
According to the difference of water water quality, above-mentioned biochemical treatment apparatus can comprise anaerobic zone 1, anoxic zone 2, aerobic zone 3All or part of, anaerobic zone 1 or anoxic zone 2 also can be adjusted to the biochemical treatment functional areas such as hydrolysis acidification district, to meetNeeded processing requirements.
Above-mentioned medicament storage is connected with aerobic zone 3 by pipeline with throwing device 8, so that at processing procedure Chinese medicineAdd, assistant medicament can be selected lime, soda ash etc. according to the difference of water water quality and degree for the treatment of, ensure process effectOn the basis of fruit, control medicament kind and consumption, reduce operating cost as far as possible.
Above-mentioned device for separating mud and water comprises that mud-water separation district 4, biochemical treatment district and mud-water separation separate disconnected facility 9, muddy waterDisengagement zone 4 can adopt the modes such as eddy flow, air supporting, precipitation and film separation to carry out mud-water separation.
Above-mentioned sludge reflux and exhaust system comprise mud and mixed-liquor return pump 7, sludge reflux passage 11, spoil disposal passage12 and drainage channel 6, wherein, the two ends of sludge reflux passage 11 respectively with biochemical treatment apparatus and mud-water separation district 4Be connected, one end of spoil disposal passage 12 and drainage channel 6 is all communicated with mud-water separation district 4, mud and mixed-liquor returnPump 7 can adopt submerged centrifugal pump, axial-flow pump, mixed-flow pump, dry-type centrifugal pump, flat spin stock pump etc., meets equipment fortuneRow demand.
Above-mentioned control device comprises blower system 5 and control system 10, and described blower system 5 is by variable-frequency motor control.
In the above-described embodiments, after sewage inflow equipment, carry out phase through anaerobic zone 1, anoxic zone 2, aerobic zone 3 successivelyThe biochemical reaction of answering, medicament required in course of reaction is added to aerobic zone 3, biochemistry by medicament storage and throwing device 8After processing, enter mud-water separation district 4 and carry out mud-water separation, muddy water mixed solution is promoted rear logical by mud and mixed-liquor return pump 7Cross sludge reflux passage 11 and be delivered to anaerobic zone 1, anoxic zone 2 and aerobic zone 3, can return according to actual conditions flexible allocationStream ratio, the excess sludge of generation is discharged by spoil disposal passage 12, and the current that are purified are arranged by drainage channel 6Go out.
Mud-water separation district 4 can arrange one or more, and biochemical treatment district and mud-water separation separate unlatching or the pass of disconnected facility 9Close and mud-water separation district 4 can be communicated with or cut off with biochemical treatment district. Blower system 5 supplies aerobic zone 3 aeration required skyGas.
Blower system 5, biochemical treatment apparatus, device for separating mud and water, medicament storage and throwing device 8 in device, dirtMud refluxes and all automatically moves by the centralized Control of control system 10 with exhaust system. Control system 10 is passed through dissolved oxygenThe monitoring of concentration, oxidation-reduction potential (ORP), flow, pressure, liquid level and Inlet and outlet water water quality etc. and automatically adjust eachThe parameter such as operating condition, flow of individual system, equipment, to meet the operation control requirement of whole process system.
Embodiment 2: adopt the treatment facility of fluoride and calcium ion in the removal coal chemical industry sewage shown in Fig. 1, to mainlyInfluent quality concentration is COD=600mg/L, BOD5=180mg/L, fluoride=510mg/L, calcium ion=400mg/LCoal chemical industry sewage process, biochemical treatment district arranges aerobic zone 3, hydraulic detention time is 12h, sludge concentration3000～4000mg/L, mud-water separation district 4 is 2 independent radical sedimentation basins that arrange, mud-water separation district 4 is to biochemistryTreatment region return sludge ratio is 50～150%, and excess sludge discharge ratio is 5～25%, adds medicament and be 10% concentrationMilk of lime, it is 350mg/L that added amount of chemical is scaled CaO, outlet system adopts triangular-notch weir gravity flow water outlet, blower system5 adjust wind supply quantity automatically according to aerobic zone 3 dissolved oxygens, and sludge reflux system is according to Inlet and outlet water water quality and dissolved oxygen, oxygenChange reduction potential etc. and automatically adjust capacity of returns and excess sludge discharge amount, whole runnings by control system 10 according to waterMatter, operational monitoring instrument and setting operational factor auto-controll operation, after finishing dealing with, effluent quality concentration reaches fluoride≤ 25mg/L, the standard of calcium ion≤120mg/L, can realize fluoride and calcium in flexible and efficient removal coal chemical industry sewageThe object of ion.
Claims (4)
1. a treatment facility of removing fluoride and calcium ion in coal chemical industry sewage, is characterized in that: this equipment is by giving birth toChange treating apparatus, device for separating mud and water, medicament storage and throwing device, sludge reflux and exhaust system and control device groupBecome, described biochemical treatment apparatus and device for separating mud and water are communicated with or cut off described medicament storage and adding by cutting off facilityDevice is positioned at described biochemical treatment apparatus top coupled logical, described biochemical treatment apparatus, device for separating mud and water all withSludge reflux is communicated with exhaust system; Described biochemical treatment apparatus comprises anaerobic zone, anoxic zone and aerobic zone, described medicamentStorage is connected with the aerobic zone of described biochemical treatment apparatus with throwing device;
Described device for separating mud and water comprises that mud-water separation district, biochemical treatment district and mud-water separation separate disconnected facility, wherein, and instituteState biochemical treatment district and mud-water separation and separate disconnected facility between biochemical treatment apparatus and mud-water separation district.
2. the treatment facility of fluoride and calcium ion in removal coal chemical industry sewage according to claim 1, its featureBe: described sludge reflux and exhaust system comprise mud and mixed-liquor return pump, sludge reflux passage, spoil disposal passage andDrainage channel, wherein, the two ends of described sludge reflux passage respectively with described biochemical treatment apparatus and described mud-water separation districtBe connected, one end of described spoil disposal passage and drainage channel is communicated with described mud-water separation district.
3. the treatment facility of fluoride and calcium ion in removal coal chemical industry sewage according to claim 1, its featureBe: described control device comprises blower system and control system.
4. the treatment facility of fluoride and calcium ion in removal coal chemical industry sewage according to claim 3, its featureBe: described blower system is by variable-frequency motor control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310301636.5A CN103508625B (en) | 2013-07-16 | 2013-07-16 | A kind for the treatment of facility of removing fluoride and calcium ion in coal chemical industry sewage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310301636.5A CN103508625B (en) | 2013-07-16 | 2013-07-16 | A kind for the treatment of facility of removing fluoride and calcium ion in coal chemical industry sewage |
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| Publication Number | Publication Date |
|---|---|
| CN103508625A CN103508625A (en) | 2014-01-15 |
| CN103508625B true CN103508625B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310301636.5A Active CN103508625B (en) | 2013-07-16 | 2013-07-16 | A kind for the treatment of facility of removing fluoride and calcium ion in coal chemical industry sewage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113060841A (en) * | 2021-04-16 | 2021-07-02 | 北京涞澈科技发展有限公司 | Microbial material applied to high-concentration fluorine-containing wastewater treatment and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874927A (en) * | 2012-10-16 | 2013-01-16 | 北京赛科康仑环保科技有限公司 | Biological treatment method, biological treatment system and bioreactor of coal chemical wastewater |
| CN203382613U (en) * | 2013-07-16 | 2014-01-08 | 中石化宁波工程有限公司 | Treatment equipment for removing fluorine and calcium ions in wastewater of coal chemical industries |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874927A (en) * | 2012-10-16 | 2013-01-16 | 北京赛科康仑环保科技有限公司 | Biological treatment method, biological treatment system and bioreactor of coal chemical wastewater |
| CN203382613U (en) * | 2013-07-16 | 2014-01-08 | 中石化宁波工程有限公司 | Treatment equipment for removing fluorine and calcium ions in wastewater of coal chemical industries |
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| CN103508625A (en) | 2014-01-15 |
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Address after: No. 660, academician Road, Ningbo high tech Zone, Zhejiang Province Co-patentee after: SINOPEC Ningbo Technology Research Institute Co., Ltd. Patentee after: SINOPEC Ningbo Engineering Company Limited Co-patentee after: CITIC Environmental Technology (Tianjin) Co., Ltd. Co-patentee after: SINOPEC Engineering (Group) Co., Ltd. Address before: No. 660, academician Road, Ningbo high tech Zone, Zhejiang Province Co-patentee before: SINOPEC Ningbo Technology Research Institute Co., Ltd. Patentee before: SINOPEC Ningbo Engineering Company Limited Co-patentee before: NOVO Envirotech (Tianjin) Ltd. Co-patentee before: SINOPEC Engineering (Group) Co., Ltd. |