CN106396070A - Acidification agitating tank for chromium wastewater treatment package unit - Google Patents
Acidification agitating tank for chromium wastewater treatment package unit Download PDFInfo
- Publication number
- CN106396070A CN106396070A CN201610858006.1A CN201610858006A CN106396070A CN 106396070 A CN106396070 A CN 106396070A CN 201610858006 A CN201610858006 A CN 201610858006A CN 106396070 A CN106396070 A CN 106396070A
- Authority
- CN
- China
- Prior art keywords
- acidifying
- agitator tank
- pipe
- waste water
- tank
- 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.)
- Pending
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000011651 chromium Substances 0.000 title abstract description 13
- 229910052804 chromium Inorganic materials 0.000 title abstract description 11
- 238000004065 wastewater treatment Methods 0.000 title abstract description 5
- 230000020477 pH reduction Effects 0.000 title abstract 7
- 239000002351 wastewater Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000010992 reflux Methods 0.000 claims abstract description 3
- 230000001174 ascending effect Effects 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000243 solution Substances 0.000 description 21
- 235000012721 chromium Nutrition 0.000 description 7
- 239000002893 slag Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- BCFSVSISUGYRMF-UHFFFAOYSA-N calcium;dioxido(dioxo)chromium;dihydrate Chemical compound O.O.[Ca+2].[O-][Cr]([O-])(=O)=O BCFSVSISUGYRMF-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/051—Stirrers characterised by their elements, materials or mechanical properties
- B01F27/06—Stirrers made by deforming a plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention provides an acidification agitating tank for a chromium wastewater treatment package unit. The acidification agitating tank for the chromium wastewater treatment package unit comprises a wastewater inlet, an acid liquid inlet, an acidized liquid outlet, a water level meter and agitating equipment, wherein the wastewater inlet is connected with a wastewater pipe, a primary filter, a secondary filter, a first electromagnetic valve and a water pump are sequentially arranged on the wastewater pipe, the acidized liquid outlet is connected with an acidized liquid pipe, the acidized liquid pipe is a three-way pipe and comprises a reflux pipe and a liquid outlet pipe, and a floating switch is further arranged in the agitating tank. The acidification agitating tank for the chromium wastewater treatment package unit has the advantages that the structure is simple, the design is reasonable, the agitating effect is good, the acidification process is quick, the acidification degree is uniform, the equipment operating cost is reduced, simultaneously the acidification effect is effectively improved, and the treatment efficiency and effect of chromium wastewater are further improved; and since the first electromagnetic valve is controlled by the floating switch, the treated amount is effectively controlled and the liquid level is highly visible.
Description
Technical field
The present invention relates to chrome waste water is processed, specifically a kind of chrome waste water processes complexes acidifying agitator tank.
Background technology
At present, chromate waste water is mainly derived from metal plating industry, the domestic smelting of the intermetallic composite coating such as steel making industry enterprise
20 1 30 ten thousand tons of chromium slags of annual about discharge in gold and chemical industry.The mainly soluble sodium chromate of harmful components in chromium slag,
The hexavalent chromiums such as acid-soluble calcium chromate.Due to these Cr VIs and its pollution spread and constitute to ecological environment of running off
Harm.Next to that the strong basicity harm of chromium slag.When chromium slag is in outdoor storing up, after long-term rain shower substantial amounts of Cr VI from
Son oozes, runs off, penetrating into earth's surface with rainwater is molten, thus polluted underground water, also pollutes rivers, lake, and then endangers farmland, aquatic products
And health.
General chrome waste water processing equipment need to carry out to chrome waste water the step such as being acidified, break chromium, adjust and reduce and separate, and is acidified conduct
First step, directly affects the integrated degree of subsequent reactions, and then affects the effect that chrome waste water is processed, the acidifying now using sets
Standby it is impossible to effectively automatically control liquid inlet volume, and the injection of acid solution nor reach with PH change, the degree being automatically injected, right
Chrome waste water processes and directly affects.
Content of the invention
For the problems referred to above, the present invention proposes a kind of chrome waste water and processes complexes acidifying agitator tank.
For solving above technical problem, the technical scheme that the present invention provides is:
A kind of chrome waste water processes complexes acidifying agitator tank it is characterised in that including agitator tank, and described agitator tank is provided with
Waste water inlet, acid solution import, acidifying solution outlet, water-level gauge and mixing plant, described waste water inlet is connected with waste pipe, institute
State and primary filter, fine filter, the first magnetic valve and water pump are sequentially provided with waste pipe, described acidifying solution outlet is connected with
Acidifying solution pipeline, described acidifying solution pipeline is three-way pipeline, and including reflux line and drain pipe road, described acid solution entrance is provided with
Ascending pipe, the lower end of described ascending pipe is located in agitator tank, and its upper end is stretched out outside agitator tank, and with acid solution storage tank UNICOM, note
Enter pipe and be provided with the second magnetic valve；
Described mixing plant includes motor, rotating spindle and paddle, and described motor is fixedly installed on stirring tank top, its rotation
End setting is arranged down, and runs through stirring tank top, stretches in agitator tank, and described rotating spindle is fixing with the turning end of motor even
Connect, rotating spindle is cased with main shaft guide sleeve, described main shaft guide sleeve is in truncated cone-shaped, is provided with sealing ring and axle in main shaft guide sleeve
Hold, the quantity of described bearing at least 2, and with rotating spindle interference fit, the quantity of described paddle at least 2, stir
Mix leaf expansion in a rectangular trapezoid, and curved bending, it is connected with connecting plate between adjacent 2 paddles, described connecting plate is in fan
Shape；
Further, it is provided with float switch in described agitator tank, described float switch is connected with the first magnetic valve, control the first electricity
Magnet valve is opened and closed；
Further, the axis of the turning end in motor for the axis of described rotating spindle is consistent；
Further, the three-way pipeline that described acidifying solution pipeline is in is equipped with valve；
Further, described agitator tank is provided with PH sensor, and described PH sensor is connected with the second stop valve.
Beneficial effects of the present invention are：
A kind of chrome waste water proposed by the present invention processes complexes acidifying agitator tank, including waste water inlet, acid solution import, acidifying
Liquid outlet, water-level gauge and mixing plant, waste water inlet connects waste pipe, waste pipe is sequentially provided with primary filter, essence
Filter, the first magnetic valve and water pump, acidifying solution outlet connects acidifying solution pipeline, and acidifying solution pipeline is three-way pipeline, including backflow
Pipeline and drain pipe road, are additionally provided with float switch, present configuration letter is answered, reasonable in design, mixing effect is good in agitator tank, acidifying
Process is fast, and acidizing degree is uniformly, while reducing equipment operating cost, effectively increases acidizing effect, and then improves chromium
Waste water treatment efficiency and effect, and the present invention first magnetic valve is controlled by float switch, the effective control amount of carrying out, liquid level
Visually.
Brief description
Fig. 1 schematic diagram of the present invention.
Fig. 2 agitator tank sectional view.
Fig. 3 paddle, connecting plate schematic diagram.
Specific embodiment
A kind of chrome waste water processes complexes acidifying agitator tank it is characterised in that including agitator tank 1 as depicted,
Described agitator tank 1 is provided with waste water inlet 2, acid solution import 3, acidifying solution outlet 4, water-level gauge 5 and mixing plant, and described waste water enters
It is connected with waste pipe 6 on mouth 2, described waste pipe 6 is sequentially provided with primary filter 7, fine filter 8, the first magnetic valve 9 and
Water pump 10, described acidifying solution outlet 4 is connected with acidifying solution pipeline 11, and described acidifying solution pipeline 11 is three-way pipeline, includes time
Flow tube road 12 and drain pipe road 13, are provided with ascending pipe 14 at described acid solution import 3, the lower end of described ascending pipe 14 is located at agitator tank
In 1, its upper end is stretched out outside agitator tank 1, and with acid solution storage tank 15 UNICOM, ascending pipe 14 is provided with the second magnetic valve 16；
Described mixing plant includes motor 17, rotating spindle 18 and paddle 19, and described motor 17 is fixedly installed on agitator tank 1 and pushes up
Portion, the setting of its turning end is arranged down, and runs through agitator tank 1 top, stretches in agitator tank 1, described rotating spindle 18 and motor
17 turning end is fixedly connected, and rotating spindle 18 is cased with main shaft guide sleeve 20, and described main shaft guide sleeve 20 is in truncated cone-shaped, main shaft
Be provided with sealing ring 21 and bearing 22 in fairlead 20, the quantity of described bearing 22 is 2, and with rotating spindle 18 interference fit,
The quantity of described paddle 19 is 4, and paddle 19 launches in a rectangular trapezoid, and curved bending, adjacent 2 paddles 19 it
Between be connected with connecting plate 23, described connecting plate 23 be in sector；
Further, it is provided with float switch 24 in described agitator tank 1, described float switch 24 is connected with the first magnetic valve 9, control
First magnetic valve 9 is opened and closed；
Further, the axis of the turning end in motor 17 for the axis of described rotating spindle 18 is consistent；
Further, the three-way pipeline that described acidifying solution pipeline 11 is in is equipped with valve；
Further, described agitator tank is provided with PH sensor 25, and described PH sensor 25 is connected with the second magnetic valve 16.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in,
All should cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
It is defined.
Claims (5)
1. a kind of chrome waste water processes complexes acidifying agitator tank it is characterised in that including agitator tank, and described agitator tank sets
There are waste water inlet, acid solution import, acidifying solution outlet, water-level gauge and mixing plant, described waste water inlet be connected with waste pipe,
Primary filter, fine filter, the first magnetic valve and water pump are sequentially provided with described waste pipe, described acidifying solution outlet connects
There is acidifying solution pipeline, described acidifying solution pipeline is three-way pipeline, and including reflux line and drain pipe road, described acid solution entrance sets
Have an ascending pipe, the lower end of described ascending pipe is located in agitator tank, and its upper end is stretched out outside agitator tank, and with acid solution storage tank UNICOM,
Ascending pipe is provided with the second magnetic valve；
Described mixing plant includes motor, rotating spindle and paddle, and described motor is fixedly installed on stirring tank top, its rotation
End setting is arranged down, and runs through stirring tank top, stretches in agitator tank, and described rotating spindle is fixing with the turning end of motor even
Connect, rotating spindle is cased with main shaft guide sleeve, described main shaft guide sleeve is in truncated cone-shaped, is provided with sealing ring and axle in main shaft guide sleeve
Hold, the quantity of described bearing at least 2, and with rotating spindle interference fit, the quantity of described paddle at least 2, stir
Mix leaf expansion in a rectangular trapezoid, and curved bending, it is connected with connecting plate between adjacent 2 paddles, described connecting plate is in fan
Shape.
2. a kind of chrome waste water processes complexes acidifying agitator tank it is characterised in that described stirring as claimed in claim 1
It is provided with float switch in tank, described float switch is connected with the first magnetic valve, control the first magnetic valve opening and closing.
3. a kind of chrome waste water processes complexes acidifying agitator tank it is characterised in that described rotation as claimed in claim 1
The axis of the turning end in motor for the axis of main shaft is consistent.
4. a kind of chrome waste water processes complexes acidifying agitator tank it is characterised in that described acidifying as claimed in claim 1
It is equipped with valve on the three-way pipeline that liquid pipe road is in.
5. a kind of chrome waste water processes complexes acidifying agitator tank it is characterised in that described stirring as claimed in claim 1
Tank is provided with PH sensor, and described PH sensor is connected with the second stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858006.1A CN106396070A (en) | 2016-09-28 | 2016-09-28 | Acidification agitating tank for chromium wastewater treatment package unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858006.1A CN106396070A (en) | 2016-09-28 | 2016-09-28 | Acidification agitating tank for chromium wastewater treatment package unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106396070A true CN106396070A (en) | 2017-02-15 |
Family
ID=57997720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610858006.1A Pending CN106396070A (en) | 2016-09-28 | 2016-09-28 | Acidification agitating tank for chromium wastewater treatment package unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106396070A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946303A (en) * | 2017-05-11 | 2017-07-14 | 王浩轩 | A kind of life sewage treatment and reuse device |
| CN109174388A (en) * | 2018-10-31 | 2019-01-11 | 江苏华兴电气科技有限公司 | A kind of polar plate of lead acid storage battery lead powder preparation facilities |
| CN111318165A (en) * | 2019-12-19 | 2020-06-23 | 云南中陇生态环境工程有限公司 | Processing system of liquid after liquid phase catalysis hydrogen sulfide desorption |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204848525U (en) * | 2015-07-24 | 2015-12-09 | 长沙华迪水处理技术有限公司 | A integration treatment device for electroplating wastewater treatment |
| CN105314774A (en) * | 2015-11-25 | 2016-02-10 | 扬中市宏飞镀业有限公司 | Device for treatment of electroplating effluent |
| CN206142895U (en) * | 2016-09-28 | 2017-05-03 | 江苏华兴电气科技有限公司 | Chromium is acidizing agitator tank for waste water treatment integrated equipment |
-
2016
- 2016-09-28 CN CN201610858006.1A patent/CN106396070A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204848525U (en) * | 2015-07-24 | 2015-12-09 | 长沙华迪水处理技术有限公司 | A integration treatment device for electroplating wastewater treatment |
| CN105314774A (en) * | 2015-11-25 | 2016-02-10 | 扬中市宏飞镀业有限公司 | Device for treatment of electroplating effluent |
| CN206142895U (en) * | 2016-09-28 | 2017-05-03 | 江苏华兴电气科技有限公司 | Chromium is acidizing agitator tank for waste water treatment integrated equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946303A (en) * | 2017-05-11 | 2017-07-14 | 王浩轩 | A kind of life sewage treatment and reuse device |
| CN109174388A (en) * | 2018-10-31 | 2019-01-11 | 江苏华兴电气科技有限公司 | A kind of polar plate of lead acid storage battery lead powder preparation facilities |
| CN111318165A (en) * | 2019-12-19 | 2020-06-23 | 云南中陇生态环境工程有限公司 | Processing system of liquid after liquid phase catalysis hydrogen sulfide desorption |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
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| RJ01 | Rejection of invention patent application after publication |