CN209554940U - A kind of Wastewater Pretreatment softening plant - Google Patents
A kind of Wastewater Pretreatment softening plant Download PDFInfo
- Publication number
- CN209554940U CN209554940U CN201822204427.XU CN201822204427U CN209554940U CN 209554940 U CN209554940 U CN 209554940U CN 201822204427 U CN201822204427 U CN 201822204427U CN 209554940 U CN209554940 U CN 209554940U
- Authority
- CN
- China
- Prior art keywords
- crystallizing tank
- tank
- wastewater pretreatment
- crystal seed
- plant according
- 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.)
- Active
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 43
- 239000010802 sludge Substances 0.000 claims abstract description 27
- 239000013078 crystal Substances 0.000 claims abstract description 26
- 238000002425 crystallisation Methods 0.000 claims abstract description 14
- 230000008025 crystallization Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- 239000006228 supernatant Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 238000009388 chemical precipitation Methods 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003295 industrial effluent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- GJYLKIZKRHDRER-UHFFFAOYSA-N calcium;sulfuric acid Chemical compound [Ca].OS(O)(=O)=O GJYLKIZKRHDRER-UHFFFAOYSA-N 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model provides a kind of Wastewater Pretreatment softening plant, including crystallizer and softening clarifier, the crystallizer are connected with softening clarifier.The utility model has been combined crystal seed method and chemical tendering method, and oversaturated waste water can be removed supersaturated scale-forming ion by crystal seed method first, only add crystal seed in first operation, be significantly reduced dosing cost, while will not the additional sludge of output.Remaining scale-forming ion is softened by chemical precipitation again in solution, can remove the hardness in waste water substantially.By the way that cyclone separator is arranged in crystallizing tank upper end, for supersaturated waste water in crystallizing tank after crystal seed progress initial crystallization, solid content is higher and higher, can carry out magma concentration by cyclone separator, magma part after concentration, which is back to, to be continued to crystallize in crystallizing tank, outside remainder discharge system；Setting cyclone separator can also stablize, the solid content in flexible modulation crystallizing tank.
Description
Technical field
The utility model relates to technical field of waste water processing, especially a kind of Wastewater Pretreatment softening plant.
Background technique
With the proposition of State Council's " water pollution action plan ", country is to the limitation of discharge of wastewater and industrial effluent reusing
It is required that further stringent.Industrial effluent reusing all carries out desalination, concentration using reverse osmosis or nanofiltration technique mostly, and membrane process is to keep away
Exempt from that fouling blockage occurs, generally can be using antisludging agent be added, the concentrated water after leading to concentration will will appear certain salt (such as sulfuric acid
Calcium, calcium carbonate etc.) supersaturation.Such oversaturated waste water need to be handled further, such as directly adopt traditional chemical softening
Method, need to add a large amount of chemical agent and a large amount of sludge of output, and operating cost is higher.
The Chinese patent of Patent No. 201721087145.5 discloses a kind of for handling the softening system of high slat-containing wastewater
System, including softening intake pool, pliable cell, softening production pond, two wireless transmission liquidometers and controller, and pliable cell
Including coagulating basin, flocculation basin, sedimentation basin, pond, three blenders, alkali storage bin, flocculant storage bin, sour storage bin and two are mixed afterwards
A online pH meter, structure is complicated for the melded system, and takes up a large area, not very practical.
And it can all bring a large amount of calcium ions and magnesium ions into the production of most of industrial wastewaters or preprocessing process, so that
Water hardness is very high so that equipment is easily caused to corrode and scale formation in subsequent materializing strategy engineering, and this be it is current urgently
It is solved.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides the Wastewater Pretreatment that a kind of structure is simple, bating effect is good
Softening plant.
The technical solution of the utility model are as follows: a kind of Wastewater Pretreatment softening plant, including crystallizer and softening clarifier,
The crystallizer is connected with softening clarifier.
Further, the crystallizer includes the crystallizing tank of taper and the eddy flow point for the crystallizing tank upper end that taper is arranged in
From device, the magma outlet of the crystallizing tank bottom end of the taper is connected by the entrance of pipeline and cyclone separator, the rotation
The magma outlet of stream separator lower end is connected by pipeline with end entrance on crystallizing tank, and is also connected with one on the pipeline
Sludge discharge line, the supernatant outlet at top is connected by pipeline with clarifier is softened in the cyclone separator.
Further, the crystallizer further includes the crystallization blender being arranged in the crystallizing tank of taper, passes through crystallization
Blender is stirred the crystal seed of sewage and investment.
Further, guide shell and partition are additionally provided in the crystallizing tank of the taper, the crystallization blender
Mixing part is protruded into guide shell, it is ensured that waste water and crystal seed have enough times of contact, are allowed to sufficiently react, Precipitation.
Further, the pipe between the magma outlet of the crystallizing tank bottom end of the taper and the entrance of cyclone separator
Crystal seed pump is additionally provided on road.
Further, the crystallizing tank upper end of the taper offers crystal seed input port, by crystal seed input port to crystallization
Crystal seed, oxidant and flocculant are put into tank, to accelerate crystallization process.
Further, the softening clarifier includes reactor tank and settling tank, and the reactor tank and settling tank are co-walled
Connection, and corresponding overflow port is offered in the connection wall between reactor tank and settling tank.
Further, reaction stirrer and partition are provided in the reactor tank.
Further, the settling tank bottom end is provided with mud scraper, places sludge in settling tank bottom end by mud scraper
Deposition blocking sludge outlet.
Further, the upper end of the settling tank is provided with inclined plate, and the waste water after softening carries out preliminary consolidate by inclined plate
Liquid separation, reduces the suspension content in waste water, to reduce the operating load of subsequent filter device, the waste water across inclined plate is logical
Cross the overflow port discharge of settling tank upper end.
Further, the sludge outlet of the settling tank bottom end is also connect with sludge discharge line, the sludge
Sludge pump is provided on discharge line.
The utility model has the following beneficial effects:
1, the utility model has been combined crystal seed method and chemical tendering method, and oversaturated waste water can be removed first by crystal seed method
Supersaturated scale-forming ion, the device only need to add crystal seed in first operation, are significantly reduced dosing cost, while will not
The additional sludge of output；Remaining scale-forming ion is softened by chemical precipitation again in solution, can remove the hardness in waste water substantially；
2, by the way that cyclone separator is arranged on crystallizer, supersaturated waste water after preliminary seeded crystallization, contains in crystallizing tank
Admittedly measuring higher and higher, magma concentration can be carried out by cyclone separator, the magma part after concentration, which is back in crystallizing tank, continues
It crystallizes, outside remainder discharge system；System is in addition to adding crystal seed for the first time；And cyclone separator can also be stablized, flexible modulation
Solid content in crystallizing tank.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1- crystallizer, 2- softens clarifier, 11- crystallizing tank, 12- cyclone separator, 13- crystallization blender, 14-
Crystal seed pump, 15- guide shell, 16- partition, 21- reactor tank, 22- settling tank, 23- reaction stirrer, 24- mud scraper, 25- inclined plate,
26- sludge pump.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing:
As shown in Figure 1, a kind of Wastewater Pretreatment softening plant, including crystallizer 1 and softening clarifier 2, the crystallization
Device 1 is connected with softening clarifier 2.
1 crystallizing tank 11 of crystallizer, cyclone separator 12, crystallization blender 13, the cyclone separator 12 are set
It sets in the upper end of the crystallizing tank 11 of taper, the magma outlet of 11 bottom end of crystallizing tank of the taper passes through pipeline and eddy flow point
Entrance connection from device 12, and crystal seed pump 14, the magma outlet of 12 lower end of cyclone separator are provided on the pipeline
It is connected by pipeline with the entrance of 11 upper end of crystallizing tank, and is also connected with a sludge discharge line, the rotation on the pipeline
The supernatant outlet at top is connected by pipeline with softening clarifier 2 in stream separator 12.
Initial concentration is carried out to crystal seed by cyclone separator 12, the magma part of concentration returns to crystallizing tank 11, without more
Secondary to add crystal seed, remainder obtains concentration heel row to sludge treatment equipment, can mitigate the load of sludge treatment equipment.And
Guide shell 15 and partition 16 are additionally provided in the crystallizing tank 11 of the taper, the mixing part of the crystallization blender 13 is protruded into
In guide shell 15, it is ensured that waste water and crystal seed have enough times of contact, are allowed to sufficiently react, Precipitation.
The softening clarifier 2 includes reactor tank 21 and settling tank 22, and the reactor tank 21 is connected to settling tank 22,
Reaction stirrer 23 and partition are provided in the reactor tank 21,22 bottom end of settling tank is provided with mud scraper 24, leads to
Crossing mud scraper 24 prevents sludge from depositing blocking sludge outlet, the sludge row of 22 bottom end of settling tank in 22 bottom end of settling tank
Sludge is discharged by sludge discharge line for outlet, is provided with sludge pump 26 on the sludge discharge line.The settling tank
22 upper end is provided with inclined plate 25, and the waste water after softening carries out preliminary separation of solid and liquid by inclined plate 25, reduces outstanding in waste water
Floating object content, so that the operating load of subsequent filter device is reduced, across waste water the overflowing by 22 upper end of settling tank of inclined plate 25
Head piece discharge.
A certain amount of crystal seed need to be put into from the crystal seed input port of 11 upper end of crystallizing tank before use, it, can to accelerate crystallization process
Add the drugs such as oxidant and flocculant into crystallizing tank 11, and be sufficiently stirred by crystallizing blender 13, waste water is from crystallizing tank
Guide shell 15 in 11 enters, and the supersaturated ion in waste water can be attached to seed surface, forms Precipitation, in crystallizing tank 11
Magma 14 be delivered in cyclone separator 12 by crystal seed pump, the supernatant outlet at top is by supernatant in cyclone separator 12
Liquid is discharged into reactor tank 21, and bottom magma part is back to crystallizing tank 11, part discharger；
Enter in reactor tank 21 after waste water removal supersaturation, it is remaining in softening agent and waste water by being added into reactor tank 21
The scale-forming ions reaction such as calcium, magnesium, form precipitating, and chemical reaction speed is accelerated by the reaction stirrer 23 in reactor tank 21
Degree.Waste water after reaction contains a large amount of suspended matter, flows into settling tank 22 by the channel between reactor tank 21 and settling tank 22
In, the suspended matter of the waste water in settling tank 22 is deposited to the bottom of settling tank 22 by gravitational settling effect, then passes through sludge pump
26 output devices prevent sludgd deposition at the bottom of settling tank 22 by the mud scraper 24 of 22 bottom of settling tank by mechanical agitation
Portion, waste water up flow, and pass through the channel bleeder on 22 top of settling tank by the supernatant that inclined plate 25 flows out inclined plate 25.
The description of the embodiments and the specification only illustrate the principle of the present utility model and most preferred embodiment, is not taking off
Under the premise of from the spirit and scope of the utility model, the utility model also has various changes and improvements, these changes and improvements
It falls within the scope of the claimed invention.
Claims (10)
1. a kind of Wastewater Pretreatment softening plant, including crystallizer and softening clarifier, it is characterised in that: the crystallizer with
Softening clarifier is connected, and the crystallizer includes the crystallizing tank of taper and the eddy flow point for the crystallizing tank upper end that taper is arranged in
From device, the magma outlet of the crystallizing tank bottom end of the taper is connected by the entrance of pipeline and cyclone separator, the rotation
The magma outlet of stream separator lower end is connected by pipeline with end entrance on crystallizing tank, and is also connected with one on the pipeline
Sludge discharge line, the supernatant outlet at top is connected by pipeline with clarifier is softened in the cyclone separator.
2. a kind of Wastewater Pretreatment softening plant according to claim 1, it is characterised in that: the crystallizer further includes
Crystallization blender in the crystallizing tank of taper is set.
3. a kind of Wastewater Pretreatment softening plant according to claim 2, it is characterised in that: the crystallizing tank of the taper
It is inside additionally provided with guide shell and partition, the mixing part of the crystallization blender is protruded into guide shell.
4. a kind of Wastewater Pretreatment softening plant according to claim 3, it is characterised in that: the crystallizing tank of the taper
Crystal seed pump is additionally provided on pipeline between the magma outlet of bottom end and the entrance of cyclone separator.
5. a kind of Wastewater Pretreatment softening plant according to claim 4, it is characterised in that: the crystallizing tank of the taper
Upper end offers crystal seed input port, and crystal seed, oxidant and flocculant are put into crystallizing tank by crystal seed input port, to accelerate to tie
Brilliant process.
6. a kind of Wastewater Pretreatment softening plant according to claim 1, it is characterised in that: the softening clarifier packet
Include the reactor tank being connected and settling tank.
7. a kind of Wastewater Pretreatment softening plant according to claim 6, it is characterised in that: setting in the reactor tank
There are reaction stirrer and partition.
8. a kind of Wastewater Pretreatment softening plant according to claim 6, it is characterised in that: the settling tank bottom end is set
It is equipped with mud scraper.
9. a kind of Wastewater Pretreatment softening plant according to claim 8, it is characterised in that: the upper end of the settling tank is set
It is equipped with the inclined plate for removing suspended matter in waste water after softening.
10. a kind of Wastewater Pretreatment softening plant according to claim 9, it is characterised in that: the settling tank bottom end
Sludge outlet also connect with sludge discharge line, be provided with sludge pump on the sludge discharge line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822204427.XU CN209554940U (en) | 2018-12-26 | 2018-12-26 | A kind of Wastewater Pretreatment softening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822204427.XU CN209554940U (en) | 2018-12-26 | 2018-12-26 | A kind of Wastewater Pretreatment softening plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209554940U true CN209554940U (en) | 2019-10-29 |
Family
ID=68303919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822204427.XU Active CN209554940U (en) | 2018-12-26 | 2018-12-26 | A kind of Wastewater Pretreatment softening plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209554940U (en) |
-
2018
- 2018-12-26 CN CN201822204427.XU patent/CN209554940U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106630084B (en) | Method and system for treating high-fluorine and high-hardness wastewater by two-stage two-phase fluidized bed self-crystallization | |
| CN105692959B (en) | A kind of desulfurizing waste water processing device and method of low sludge yield | |
| CN107915351B (en) | System for modular fluidized bed self crystallization handles high rigidity waste water | |
| CN205999096U (en) | A kind of small-sized steel efficiently removes hard clarifier | |
| CN204752298U (en) | High density depositing reservoir | |
| CN109592815A (en) | The processing system of reverse osmosis concentrated water with high permanent hardness | |
| CN109851139B (en) | High-salt wastewater softening and concentrating device and method | |
| CN103523968A (en) | Integrated water purification device | |
| CN107285489A (en) | A kind of device and method of desulfurization wastewater pretreatment | |
| CN112321020A (en) | Efficient pretreatment system and method for circulating water sewage | |
| CN204369711U (en) | Electroplating waste water treatment system | |
| CN105502746B (en) | Sofening treatment system and method is combined in decarburization-nanofiltration to power plant circulating cooling water at a slow speed | |
| CN107215980A (en) | The device and method of novel desulphurization wastewater treatment | |
| CN203976529U (en) | oil field produced water zero discharge pre-concentration device | |
| CN110790437A (en) | High-salinity wastewater treatment and recovery integrated device and method | |
| CN106830440A (en) | A kind of thermal power plant's high-salt wastewater dish tubular membrane concentrating and treating system and method | |
| CN209554940U (en) | A kind of Wastewater Pretreatment softening plant | |
| CN109502871A (en) | A kind of high-salinity wastewater zero-emission and divide salt resource utilization device | |
| CN109607867A (en) | A kind of high-salt wastewater softening plant and method | |
| CN216863867U (en) | Water works tail water resource utilization process systems | |
| CN209468232U (en) | A kind of high-salt wastewater softening plant | |
| CN209797627U (en) | Processing apparatus of strong brine that contains high concentration calcium sulfate | |
| CN212982638U (en) | Phosphorus removal device for high-concentration phosphorus-containing wastewater | |
| CN209493410U (en) | Remove the device of whole hardness in reverse osmosis concentrated water | |
| CN209721843U (en) | High-salt wastewater softening and enrichment facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220104 Address after: A1601, 1601, floor 16, No. 1, Wangjing East Road, Chaoyang District, Beijing 100102 Patentee after: GREENTECH ENVIRONMENT Co.,Ltd. Address before: 510610 unit b1803, No. 161, Linhe West Road, Tianhe District, Guangzhou, Guangdong Patentee before: GUANGZHOU GREENTECH WATER ENGINEERING CO.,LTD. |
|
| TR01 | Transfer of patent right |