CN203382613U - Treatment equipment for removing fluorine and calcium ions in wastewater of coal chemical industries - Google Patents
Treatment equipment for removing fluorine and calcium ions in wastewater of coal chemical industries Download PDFInfo
- Publication number
- CN203382613U CN203382613U CN201320426816.1U CN201320426816U CN203382613U CN 203382613 U CN203382613 U CN 203382613U CN 201320426816 U CN201320426816 U CN 201320426816U CN 203382613 U CN203382613 U CN 203382613U
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- China
- Prior art keywords
- mud
- biochemical treatment
- coal chemical
- water separation
- fluorochemical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000000126 substance Substances 0.000 title claims abstract description 25
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910001424 calcium ion Inorganic materials 0.000 title claims abstract description 23
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 239000002351 wastewater Substances 0.000 title abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 title abstract description 3
- 239000011737 fluorine Substances 0.000 title abstract description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 239000010802 sludge Substances 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 14
- 239000010865 sewage Substances 0.000 claims description 27
- 238000010992 reflux Methods 0.000 claims description 20
- 239000003814 drug Substances 0.000 claims description 19
- 239000011499 joint compound Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 19
- 230000008569 process Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 2
- 239000012752 auxiliary agent Substances 0.000 abstract 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 4
- 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
- 239000004571 lime Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000005484 gravity Effects 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
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Activated Sludge Processes (AREA)
Abstract
The utility model discloses treatment equipment for removing fluorine and calcium ions in wastewater of coal chemical industries. The treatment equipment is characterized by comprising a biochemical treatment device, a sludge-water separation device, an agent storage and addition device, a sludge backflow and discharging system and a control device. Due to the adoption of the treatment equipment comprising the biochemical treatment device, the sludge-water separation device, the agent storage and addition device, the sludge backflow and discharging system and the control device, a treatment technology combining biochemical treatment and auxiliary agent addition for treatment is used for removing part of pollutants in advance, so that favorable conditions are created for subsequent wastewater treatment, and a better wastewater treatment effect is achieved. In addition, as the biochemical treatment device and the sludge-water separation device can independently work and be independently controlled, the treatment equipment is relatively flexible in operation, the process flow can aslo be simplified when required, and the efficiency is improved.
Description
Technical field
The utility model relates to coal chemical industry sewage treatment facility field, specifically refers to a kind for the treatment of facility of removing fluorochemical and calcium ion in coal chemical industry sewage.
Background technology
Can discharge large amount of sewage in the coal chemical industry enterprises production process, in sewage except containing the principal pollutant matter such as organic pollutant, ammonia nitrogen, also contain a large amount of fluorochemicals and calcium ion etc., the existence of these materials can make the hardness of water quality higher, do not remove fluorochemical and the calcium ion in sewage if do not take effective treating method, easily cause sewage discharge pipe network and follow-up waste disposal plant that serious scale problems occurs, affect the normal operation of coal chemical industry sewage treatment plant.At present, in removal sewage, the method for fluorochemical and calcium ion mainly contains absorption method and chemical method, and absorption method can be removed the fluorochemical in sewage by ion-exchange or chemical reaction, but absorption method is only applicable to process the fluoride waste of lower concentration, when fluoride concn is higher, removal effect is poor; Chemical method is another main methods of processing fluorine containing waste water, thereby generate the fluorochemical precipitation by feeding lime and reach the removal effect, but excessive feeding lime can make the calcium ion content in waste water increase, and easily in device, produces scale problems, for follow-up sewage disposal has increased difficulty.At present, the biochemical treatment of development of new and add the new problem that combined treatment equipment that assistant medicament processes becomes fluorochemical and the development of calcium ion treatment process in coal chemical industry sewage.
The utility model content
Technical problem to be solved in the utility model is the present situation for prior art, provides that a kind of flow process is simple, treatment effect good, the treatment facility of fluorochemical and calcium ion in the removal coal chemical industry sewage of flexible operation.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind for the treatment of facility of removing fluorochemical and calcium ion in coal chemical industry sewage, this equipment comprises biochemical treatment apparatus, device for separating mud and water, medicament storage and throwing device, sludge reflux and blowdown system and control device, wherein, biochemical treatment apparatus and device for separating mud and water are communicated with or cut off by cutting off facility, described medicament storage is positioned at described biochemical treatment apparatus top coupled logical with throwing device, described biochemical treatment apparatus, device for separating mud and water all is communicated with blowdown system with sludge reflux.
As preferably, above-mentioned biochemical treatment apparatus comprises anaerobic zone, oxygen-starved area and aerobic zone, and above-mentioned medicament storage is connected with the aerobic zone of biochemical treatment apparatus with throwing device.
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, and 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 blowdown system comprise mud and mixed-liquor return pump, sludge reflux passage, spoil disposal passage and drainage channel, wherein, the two ends of sludge reflux passage are connected with biochemical treatment apparatus and device for separating mud and water respectively, and an end of spoil disposal passage and drainage channel is communicated with device for separating mud and water.
Preferably, described control device comprises air-blast system and Controlling System, and described air-blast system is controlled by variable-frequency motor.
Compared with prior art, the utility model has the advantage of: because the utility model has adopted the treatment facility that comprises biochemical treatment apparatus, device for separating mud and water, medicament storage and throwing device, sludge reflux and blowdown system and control device, by biochemical treatment with add assistant medicament and process combined treatment process, remove in advance the part pollution substance, create favourable condition 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 the treatment facility operation more flexible, also can simplify when needed treatment scheme, raise the efficiency.
The accompanying drawing explanation
Fig. 1 is technical process of the present utility model and combination unit figure.
Embodiment
Below in conjunction with accompanying drawing, be described in further detail.
Embodiment 1: as shown in Figure 1, a kind for the treatment of facility of removing fluorochemical and calcium ion in coal chemical industry sewage, this equipment comprises biochemical treatment apparatus, device for separating mud and water, medicament storage and throwing device 8, sludge reflux and blowdown system and control device, wherein, biochemical treatment apparatus and device for separating mud and water are communicated with or cut off by cutting off facility, described medicament storage is positioned at described biochemical treatment apparatus top coupled logical with throwing device 8, and described biochemical treatment apparatus, device for separating mud and water all are communicated with blowdown system with sludge reflux.
According to the difference of water water quality, above-mentioned biochemical treatment apparatus can comprise all or part of of anaerobic zone 1, oxygen-starved area 2, aerobic zone 3, and anaerobic zone 1 or oxygen-starved area 2 also can be adjusted to the biochemical treatment functional zone such as acidication district, to meet needed processing requirements.
Above-mentioned medicament storage is connected with aerobic zone 3 by pipeline with throwing device 8, so that adding at the treating processes Chinese medicine, assistant medicament can be selected lime, soda ash etc. according to the difference of water water quality and degree for the treatment of, control medicament kind and consumption on the basis that guarantees treatment effect, reduce running 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, and mud-water separation district 4 can adopt the modes such as eddy flow, air supporting, precipitation and membrane sepn to carry out mud-water separation.
Above-mentioned sludge reflux and blowdown system comprise mud and mixed-liquor return pump 7, sludge reflux passage 11, spoil disposal passage 12 and drainage channel 6, wherein, the two ends of sludge reflux passage 11 are connected with biochemical treatment apparatus and mud-water separation district 4 respectively, one end of spoil disposal passage 12 and drainage channel 6 all is communicated with mud-water separation district 4, mud and mixed-liquor return pump 7 can adopt submerged centrifugal pump, propeller pump, mixed flow pump, dry-type centrifugal pump, flat spin stock pump etc., meet the equipment operation demand and get final product.
Above-mentioned control device comprises air-blast system 5 and Controlling System 10, and described air-blast system 5 is controlled by variable-frequency motor.
In the above-described embodiments, pass through successively anaerobic zone 1 after sewage inflow equipment, oxygen-starved area 2, aerobic zone 3 carries out corresponding biochemical reaction, medicament required in reaction process is added to aerobic zone 3 by medicament storage and throwing device 8, enter mud-water separation district 4 after biochemical treatment and carry out mud-water separation, muddy water mixed solution is delivered to anaerobic zone 1 by sludge reflux passage 11 after being promoted by mud and mixed-liquor return pump 7, oxygen-starved area 2 and aerobic zone 3, can be according to practical situation flexible allocation backflow ratio, the excess sludge produced is discharged by spoil disposal passage 12, the current that are purified are discharged by drainage channel 6.
Mud-water separation district 4 can arrange one or more, and the biochemical treatment district separates the unlatching of disconnected facility 9 or closes and mud-water separation district 4 can be communicated with or cut off with the biochemical treatment district with mud-water separation.Air-blast system 5 supply aerobic zone 3 aeration required airs.
Air-blast system 5 in device, biochemical treatment apparatus, device for separating mud and water, medicament storage all move by the centralized Control of Controlling System 10 automatically with throwing device 8, sludge reflux and blowdown system.Controlling System 10 is adjusted the parameters such as the operation condition, flow of each system, equipment automatically by the monitoring to dissolved oxygen concentration, redox potential (ORP), flow, pressure, liquid level and Inlet and outlet water water quality etc., with the operation that meets whole process system, control requirement.
Embodiment 2: the treatment facility of fluorochemical and calcium ion in the removal coal chemical industry sewage shown in employing Fig. 1, to main influent quality concentration, be COD=600mg/L, BOD5=180mg/L, fluorochemical=510mg/L, the coal chemical industry sewage of calcium ion=400mg/L is processed, the biochemical treatment district arranges aerobic zone 3, hydraulic detention time is 12h, sludge concentration 3000～4000mg/L, mud-water separation district 4 is 2 independent radical sedimentation basins that arrange, mud-water separation district 4 to biochemical treatment district return sludge ratio is 50～150%, the excess sludge discharge ratio is 5～25%, add the milk of lime that medicament is 10% concentration, it is 350mg/L that added amount of chemical is scaled CaO, outlet system adopts V-notch weir gravity flow water outlet, air-blast system 5 is adjusted wind supply quantity automatically according to aerobic zone 3 dissolved oxygens, the sludge reflux system is according to Inlet and outlet water water quality and dissolved oxygen, redox potentials etc. are adjusted quantity of reflux and excess sludge discharge amount automatically, all operational processs by Controlling System 10 according to water quality, operational monitoring instrument and setting operating parameter auto-controll operation, the rear effluent quality concentration of finishing dealing with reaches fluorochemical≤25mg/L, the standard of calcium ion≤120mg/L, can realize the purpose of fluorochemical and calcium ion in flexible and efficient removal coal chemical industry sewage.
Claims (7)
1. a treatment facility of removing fluorochemical 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 blowdown system and control device, described biochemical treatment apparatus and device for separating mud and water are communicated with or cut off by cutting off facility, described medicament storage is positioned at described biochemical treatment apparatus top coupled logical with throwing device, and described biochemical treatment apparatus, device for separating mud and water all are communicated with blowdown system with sludge reflux.
2. the treatment facility of fluorochemical and calcium ion in removal coal chemical industry sewage according to claim 1, it is characterized in that: described biochemical treatment apparatus comprises anaerobic zone, oxygen-starved area and aerobic zone.
3. the treatment facility of fluorochemical and calcium ion in removal coal chemical industry sewage according to claim 2, it is characterized in that: described medicament storage is connected with the aerobic zone of described biochemical treatment apparatus with throwing device.
4. the treatment facility of fluorochemical and calcium ion in removal coal chemical industry sewage according to claim 1, it is characterized in that: described 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.
5. the treatment facility of fluorochemical and calcium ion in removal coal chemical industry sewage according to claim 1, it is characterized in that: described sludge reflux and blowdown system comprise mud and mixed-liquor return pump, sludge reflux passage, spoil disposal passage and drainage channel, wherein, the two ends of described sludge reflux passage are connected with described biochemical treatment apparatus and described mud-water separation district respectively, and an end of described spoil disposal passage and drainage channel is communicated with described mud-water separation district.
6. the treatment facility of fluorochemical and calcium ion in removal coal chemical industry sewage according to claim 1, it is characterized in that: described control device comprises air-blast system and Controlling System.
7. the treatment facility of fluorochemical and calcium ion in removal coal chemical industry sewage according to claim 6, it is characterized in that: described air-blast system is controlled by variable-frequency motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426816.1U CN203382613U (en) | 2013-07-16 | 2013-07-16 | Treatment equipment for removing fluorine and calcium ions in wastewater of coal chemical industries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320426816.1U CN203382613U (en) | 2013-07-16 | 2013-07-16 | Treatment equipment for removing fluorine and calcium ions in wastewater of coal chemical industries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203382613U true CN203382613U (en) | 2014-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320426816.1U Withdrawn - After Issue CN203382613U (en) | 2013-07-16 | 2013-07-16 | Treatment equipment for removing fluorine and calcium ions in wastewater of coal chemical industries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203382613U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508625A (en) * | 2013-07-16 | 2014-01-15 | 中石化宁波工程有限公司 | Processing equipment for removing fluoride and calcium ion in coal chemical industry sewage |
| CN104496141A (en) * | 2014-11-26 | 2015-04-08 | 江苏盐城环保产业工程研发服务中心 | Method for promotion of biodegradation of perfluorochemicals in sludge |
| CN107915375A (en) * | 2017-12-04 | 2018-04-17 | 四川亿龙环保工程有限公司 | A kind of fluoride wastewater treatment technique |
-
2013
- 2013-07-16 CN CN201320426816.1U patent/CN203382613U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508625A (en) * | 2013-07-16 | 2014-01-15 | 中石化宁波工程有限公司 | Processing equipment for removing fluoride and calcium ion in coal chemical industry sewage |
| CN103508625B (en) * | 2013-07-16 | 2016-05-11 | 中石化宁波工程有限公司 | A kind for the treatment of facility of removing fluoride and calcium ion in coal chemical industry sewage |
| CN104496141A (en) * | 2014-11-26 | 2015-04-08 | 江苏盐城环保产业工程研发服务中心 | Method for promotion of biodegradation of perfluorochemicals in sludge |
| CN104496141B (en) * | 2014-11-26 | 2016-07-06 | 江苏盐城环保产业工程研发服务中心 | A kind of biodegradable method of perfluorochemical in promotion mud |
| CN107915375A (en) * | 2017-12-04 | 2018-04-17 | 四川亿龙环保工程有限公司 | A kind of fluoride wastewater treatment technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140108 Effective date of abandoning: 20160816 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |