CN204727652U - A kind for the treatment of unit of cyanide wastewater - Google Patents
A kind for the treatment of unit of cyanide wastewater Download PDFInfo
- Publication number
- CN204727652U CN204727652U CN201520394618.0U CN201520394618U CN204727652U CN 204727652 U CN204727652 U CN 204727652U CN 201520394618 U CN201520394618 U CN 201520394618U CN 204727652 U CN204727652 U CN 204727652U
- Authority
- CN
- China
- Prior art keywords
- valve
- reactor
- pump
- internal reflux
- water
- 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
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The treatment unit of a kind of cyanide wastewater of the utility model, containing water inlet, reaction, water outlet and automatic control unit: intake pump is connected with reactor with first-class gauge by the first valve, and reactor is provided with pH controller and fluid level controller; Acid solution storage tank and acid adding pump, alkali liquor storage tank and add alkali pump, oxygenant storage tank and oxidizer pump, catalyzer storage tank and add catalyst pump and be connected with reactor respectively by related valve and under meter; Be connected with a return line system of contacting between reactor with the pipeline gone out between water pump at flowing water Valve, in reactor, carry out hydraulic mixing with internal reflux hydraucone; Below reactor, be provided with penstock, go out water pump and water outlet sample cock and mud discharging mouth and control valve.The utility model adopts the reactor being provided with internal reflux guard system, can reduce power consumption, simple to operate, non-secondary pollution, high to the utilization ratio of catalyzer, can utilize base catalysis oxidative treatment cyanide wastewater preferably, realize industrialization automatic business processing.
Description
Technical field
The utility model relates to wastewater treatment equipment technical field, relates to the process of cyanide wastewater, specifically, is a kind of device utilizing base catalysis method for oxidation Treatment of Cyanide-containing Wastewater.
Background technology
In field of industrial waste water treatment, prussiate is tightly controlled the extremely strong toxicity of ecotope due to it.Prussiate is one of object being listed in emphasis monitoring in sewage disposal comprehensive discharge standard, and its emission concentration is limited at a low-down limit value.Therefore, economy, efficiently method Treatment of Cyanide-containing Wastewater how is adopted to become the hot issue of wastewater treatment industry.At present, the treatment process of cyanide wastewater mainly contains three major types: the first kind, biological process, is a kind of method utilizing the bacterial classification of special domestication thoroughly to be degraded by prussiate.But the method has the deficiency of strain domestication cycle length, poor impact resistance, cost intensive.Equations of The Second Kind, Physical, is a kind ofly under sour environment, the prussiate in water body is entered air in the mode of dry cyaniding hydrogen, then carries out the method for follow-up vent gas treatment.But because prussic acid belongs to hypertoxic chemical substance, therefore the method operationally has high danger.3rd class, chemical method is a kind of method utilizing chemical oxidation effect thoroughly to be decomposed by prussiate.Because the method is simple to operate, cost-effective, be widely used at present except on cyanogen process.Oxygenant conventional on chemical method comprises hydrogen peroxide, ozone, clorox etc.
But the key of Treatment of Cyanide-containing Wastewater is not only the selection of technique, but also is the design of reaction unit.At present, the device of China Treatment of Cyanide-containing Wastewater mainly contains stripping-incinerator, two-part clorox broken cyanide device, traditional biological process (Continuous Flow or sequence batch () device.Described various device has its advantage and deficiency.Therefore, it is also vital for carrying out Choice and design reaction unit according to determined treatment process route.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of device utilizing base catalysis method for oxidation Treatment of Cyanide-containing Wastewater, it can process the trade effluent that total cyanide concentration is greater than 2mg/L.
For achieving the above object, the utility model takes following technical scheme.
A treatment unit for cyanide wastewater, containing inlet unit, reaction member, water unit and automatic control unit; It is characterized in that: described inlet unit comprises intake pump, the first valve and first-class gauge; Described reaction member comprises reactor, acid solution storage tank and acid adding pump, alkali liquor storage tank and adds alkali pump, oxygenant storage tank and oxidizer pump, catalyzer storage tank and add catalyst pump, internal reflux valve, internal reflux under meter, internal reflux hydraucone and the second valve and second gauge, the 3rd valve and the 3rd under meter, the 4th valve and the 4th under meter, the 5th valve and the 5th under meter; Described water unit comprises flowing water Valve, goes out water pump; Described automatic control unit comprises pH controller, pH probe and fluid level controller; Described intake pump is connected with described reactor with connecting tube by described first valve, first-class gauge, is provided with internal reflux hydraucone in reactor; Described acid solution storage tank is connected with acid adding pump and is connected with described reactor after be connected in series described second valve and second gauge by pipeline; Described alkali liquor storage tank with add alkali pump and be connected and be connected with described reactor after being connected in series described 3rd valve and the 3rd under meter by pipeline; Described oxygenant storage tank is connected with oxidizer pump and is connected with described reactor after be connected in series described 4th valve and the 4th under meter by pipeline; Described catalyzer storage tank with add catalyst pump and be connected and be connected with internal reflux guard system after being connected in series described 5th valve and the 5th under meter by pipeline; Described internal reflux guard system comprises outlet conduit, internal reflux valve, internal reflux under meter and internal reflux hydraucone, and internal reflux guard system gos deep into reactor middle and lower part, for hydraulic mixing by internal reflux hydraucone; The below of described reactor connects flowing water Valve by pipeline and goes out water pump, is connected with after the connecting tube gone out between water pump is contacted by pipeline an internal reflux valve and an internal reflux under meter at flowing water Valve with described internal reflux hydraucone; At described reactor while arrange pH controller, described pH controller is at least connected with pH probe; In described reactor, be provided with a fluid level controller, described fluid level controller with described go out the switch of water pump be connected, can the situation of liquid level in root reactor, go out the switch of water pump described in control.
Further, the pipeline between described intake pump and the first valve is connected with into water sampling valve.
Further, between the lower end and flowing water Valve of described reactor, install pipeline water outlet sample cock is passed through.
Further, be provided with some dosing mouths on the top of described reactor, be provided with water-in on the top of reactor, lower end is provided with water outlet.
Further, mud discharging mouth and control valve is provided with in the lower end of described reactor.
The positively effect of the treatment unit of a kind of cyanide wastewater of the utility model is:
Adopt the reactor being provided with internal reflux guard system, return of waste water after process is carried out hydraulic mixing to the waste water in reactor in reactor, power consumption, operation also simple, non-secondary pollution can be reduced, high to the utilization ratio of catalyzer, base catalysis oxidative treatment technique can be utilized preferably, realize industrialization, automatic business processing cyanide wastewater.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the treatment unit of a kind of cyanide wastewater of the utility model.
Label in figure is respectively:
Label in figure is respectively:
1, intake pump; 2, water inlet sampling valve; 301, the first valve;
302, the second valve; 303, the 3rd valve; 304, the 4th valve;
305, the 5th valve; 401, first-class gauge; 402, second gauge;
403, the 3rd under meter; 404, the 4th under meter; 405, the 5th under meter;
5, reactor; 6, acid solution storage tank; 7, acid adding pump;
8, alkali liquor storage tank; 9, alkali pump is added; 10, pH controller;
11, pH probe; 12, oxygenant storage tank; 13, oxidizer pump;
14, catalyzer storage tank; 15, catalyst pump is added; 16, internal reflux valve;
17, internal reflux under meter; 18, internal reflux hydraucone; 19, fluid level controller;
20, flowing water Valve; 21, water pump is gone out; 22, water outlet sample cock.
Embodiment
Introduce the specific implementation process of the treatment unit of a kind of cyanide wastewater of the utility model below in conjunction with accompanying drawing, but enforcement of the present utility model is not limited to following embodiment.
See Fig. 1.A treatment unit for cyanide wastewater, containing inlet unit, reaction member, water unit and automatic control unit.
Described inlet unit comprises intake pump 1, first valve 301, first-class gauge 401 and water inlet sampling valve 2.
Described reaction member comprises reactor 5, acid solution storage tank 6 and acid adding pump 7, alkali liquor storage tank 8 and adds alkali pump 9, oxygenant storage tank 12 and oxidizer pump 13, catalyzer storage tank 14 and add catalyst pump 15, internal reflux valve 16, internal reflux under meter 17, internal reflux hydraucone 18.
Described water unit comprises flowing water Valve 20, goes out water pump 21 and water outlet sample cock 22.
Described automatic control unit comprises pH controller 10, pH probe 11 and fluid level controller (19).
Described intake pump 1 is connected with described reactor 5 by described first valve 301, first-class gauge 401: be connected with the water-in on described reactor 5 top after described intake pump 1 is connected in series described first valve 301 and first-class gauge 401 by pipeline.Described first valve 301 can adopt ball valve or butterfly valve; Described first-class gauge 401 can adopt spinner-type flowmeter or magnetic flow meter.Pipeline between described intake pump 1 and described first valve 301 can arrange a water inlet sampling valve 2, detect to facilitate the water inlet of getting reactor 5.Described water inlet sampling valve 2 can adopt ball valve.
Described acid solution storage tank 6 is connected with acid adding pump 7 and is connected in series the second valve 302 by pipeline and second gauge 402 is connected with the dosing mouth on described reactor 5 top.
Described acid solution storage tank 6 can adopt plastic cylinder or square bucket.
Described acid adding pump 7 can adopt acid resistant diaphragm volume pump.
By described alkali liquor storage tank 8 with add alkali pump 9 and be connected and be connected in series the 3rd valve 303 by pipeline and the 3rd under meter 403 is connected with the dosing mouth on described reactor 5 top.
Described alkali liquor storage tank 8 can adopt plastic cylinder or square bucket.
The described alkali pump 9 that adds can adopt alkaline-resisting METERING DIAPHRAGM PUMPS.
Described oxygenant storage tank 12 is connected with oxidizer pump 13 and is connected with the dosing mouth of the 4th under meter 404 with described reactor 5 top by pipeline serial connection the 4th valve 304.
Described oxygenant storage tank 12 can adopt plastic cylinder or square bucket.
Described oxidizer pump 13 can adopt resistance to oxidation METERING DIAPHRAGM PUMPS.
By described catalyzer storage tank 14 with add catalyst pump 15 be connected and by pipeline serial connection the 5th valve 305 be connected with internal reflux guard system with the 5th under meter 405.
Described catalyzer storage tank 14 can adopt plastic cylinder or square bucket.
The described catalyst pump 15 that adds can adopt common diaphragm volume pump.
Described internal reflux guard system comprises outlet conduit, internal reflux valve 16, internal reflux under meter 17 and internal reflux hydraucone 18, internal reflux guard system gos deep into reactor 5 middle and lower part by internal reflux hydraucone 18 from the top of described reactor 5, plays hydraulic mixing.
Described internal reflux valve 16 can adopt ball valve or butterfly valve.
Described internal reflux under meter 17 can adopt spinner-type flowmeter or magnetic flow meter.
Described internal reflux hydraucone 18 can adopt stainless steel.
The utility model does not adopt agitator whipped-up structure, but adopt the mode of hydraulic mixing to carry out the mixing of waste water in reactor 5, be by internal reflux guard system, the waste water after process is back to reactor 5 middle and lower part by flowing water Valve 20, internal reflux valve 16 through internal reflux hydraucone 18 to carry out hydraulic mixing to the waste water in reactor 5.
The water outlet of described reactor 5 lower end connects a flowing water Valve 20 by pipeline and one go out water pump 21,
Described penstock 20 can adopt ball valve or butterfly valve.
Described go out water pump 21 can adopt Ordinary Centrifugal Pumps.
Described flowing water Valve 20 with the connecting tube gone out between water pump 21 is connected in series an internal reflux valve 16 and internal reflux under meter 17 by pipeline after be connected with described internal reflux hydraucone 18; Both: described flowing water Valve 20 can control the operation of internal reflux guard system.
By install pipeline water outlet sample cock 22 between the water outlet and flowing water Valve 20 of described reactor 5 lower end.Described water outlet sample cock 22 is structures of similar described water inlet sampling valve 2.
In enforcement, mud discharging mouth and spoil disposal control valve can be set in the lower end of described reactor 5, so that the discharge of the mud precipitated in reactor 5.
At described reactor 5 while arrange pH controller 10, described pH controller 10 at least connects pH probe 11.Described pH controller 10 can adopt the control with signal input, output function.
Described pH probe 11 can adopt shell stainless steel, have the glass electrode pH of signal output function pops one's head in.
In described reactor 5, arrange a fluid level controller 19, described fluid level controller 19 can adopt the ball float level controller with signal input, output function.By described fluid level controller 19 with described go out the switch of water pump 21 be connected, described fluid level controller 19 can the situation of liquid level in root reactor 5, goes out the switch of water pump 21 described in control.
The working process of the treatment unit of a kind of cyanide wastewater of the utility model is:
(1) start intake pump 1, cyanide wastewater is pumped into reactor 5 by intake pump 1 through the first valve 301, first-class gauge 401 by pipeline, the first valve 301 can regulate the flow of water inlet; Sampling analysis can be carried out to the water inlet of cyanide wastewater by water inlet sampling valve 2.
(2), after cyanide wastewater enters reactor 5, the pop one's head in pH value of 11 pairs of waste water of pH is carried out Real-Time Monitoring and monitor signal is transferred to pH controller 10.The inlet flow-patterm scope that pH controller 10 sets is 10.0 ~ 11.0.When pH value is less than 10.0, pH controller 10 startup adds alkali pump 9 and works; When pH value is greater than 11.0, pH controller 10 starts acid adding pump 7 and works; When pH returns back to setting range, pH controller 10 just stops acid adding or adds alkali.
(3) oxygenant storage tank 12 is connected to the dosing mouth on reactor 5 top with pipeline by oxidizer pump 13, the 4th valve 304, the 4th under meter 404, and it is inner to pump into reactor 5.Catalyzer storage tank 14 by adding catalyst pump 15, the 5th valve 305, the 5th under meter 405 pipeline are connected to return line and to pump into reactor 5 inner.
(4) reactor 5 inside completes mixing of medicament and cyanide wastewater by hydraulic agitation device.Described hydraulic agitation device by be arranged on flowing water Valve 20 and go out internal reflux valve 16 between water pump 21 on pipeline, internal reflux under meter 17 is formed through connecting tube phase and the internal reflux hydraucone 18 being arranged on reactor 5 inside.Reactor 5 inside is provided with and the fluid level controller 19 going out water pump 21 and be connected simultaneously, described fluid level controller 19 is provided with two position and controls, can control out the start-stop of water pump 21: when the liquid level in reactor 5 is higher than set(ting)value, described fluid level controller 19 can start and water pump 21; When the liquid level in reactor 5 is lower than set(ting)value, described fluid level controller 19 can close down out water pump 21; When the liquid level in reactor 5 is between the two position value of setting, described fluid level controller 19 device processed goes out water pump 21 and normally runs.
(5) cyanide wastewater after reactor 5 processes by flowing water Valve 20, then is discharged by going out water pump 21.Sampling analysis can be carried out to the cyanide wastewater after process by water outlet sample cock 22.
Application Example 1
The cyanide wastewater of the treatment unit of cyanide wastewater of the present utility model to the isocyanates production process productive unit discharge of Shanghai enterprise is adopted to process, containing a large amount of objectionable impuritiess such as toluene, prussiate in described waste water, wherein, concentration of cyanide is 250 ~ 450mg/L.
The treatment unit applying cyanide wastewater of the present utility model processes above-mentioned waste water, and concrete treatment step comprises:
(1) configure superoxol (oxygenant), controlling superoxol concentration in reaction process is 0.5 ~ 1.5g/L.
(2) configure copper-bath (catalyzer), controlling copper ion concentration in reaction process is 4 ~ 10mg/L.
(3) control between 10.0 ~ 11.0 by the pH value of cyanide wastewater, the reaction times is greater than 50 minutes.
Detected result to cyanide wastewater after process:
After the treatment unit process of cyanide wastewater of the present utility model, in the water outlet of cyanide wastewater, prussiate clearance reaches 99%.
The result of Application Example 1 proves, the treatment unit of a kind of cyanide wastewater of the utility model has good treatment effect to utilizing base catalysis oxidative treatment cyanide wastewater.
Claims (5)
1. a treatment unit for cyanide wastewater, containing inlet unit, reaction member, water unit and automatic control unit; It is characterized in that:
Described inlet unit comprises intake pump (1), the first valve (301) and first-class gauge (401);
Described reaction member comprises reactor (5), acid solution storage tank (6) and acid adding pump (7), alkali liquor storage tank (8) and add alkali pump (9), oxygenant storage tank (12) and oxidizer pump (13), catalyzer storage tank (14) and add catalyst pump (15), internal reflux valve (16), internal reflux under meter (17), internal reflux hydraucone (18) and the second valve (302) and second gauge (402), 3rd valve (303) and the 3rd under meter (403), 4th valve (304) and the 4th under meter (404), 5th valve (305) and the 5th under meter (405),
Described water unit comprises flowing water Valve (20), goes out water pump (21);
Described automatic control unit comprises pH controller (10), pH pops one's head in (11) and fluid level controller (19);
Described intake pump (1) is connected with described reactor (5) after being ganged up by connecting tube and described first valve (301), first-class gauge (401), is provided with internal reflux hydraucone (18) in reactor (5);
Described acid solution storage tank (6) is connected with acid adding pump (7) and is connected in series described second valve (302) by pipeline and second gauge (402) is connected with described reactor (5) afterwards;
Described alkali liquor storage tank (8) with add alkali pump (9) and be connected and be connected in series described 3rd valve (303) by pipeline and the 3rd under meter (403) is connected with described reactor (5) afterwards;
Described oxygenant storage tank (12) is connected with oxidizer pump (13) and is connected in series described 4th valve (304) by pipeline and is connected with described reactor (5) afterwards with the 4th under meter (404);
Described catalyzer storage tank (14) with add catalyst pump (15) and be connected and be connected in series described 5th valve (305) by pipeline and be connected with internal reflux guard system afterwards with the 5th under meter (405); Described internal reflux guard system comprises outlet conduit, internal reflux valve (16), internal reflux under meter (17) and internal reflux hydraucone (18), and internal reflux guard system gos deep into reactor (5) middle and lower part, for hydraulic mixing by internal reflux hydraucone (18);
The below of described reactor (5) connects flowing water Valve (20) by pipeline and goes out water pump (21), is connected afterwards with on the connecting tube gone out between water pump (21) at flowing water Valve (20) by contact an internal reflux valve (16) and an internal reflux under meter (17) of pipeline with described internal reflux hydraucone (18);
At described reactor (5) while arrange pH controller (10), described pH controller (10) is at least connected with pH probe; In described reactor (5), be provided with a fluid level controller (19), described fluid level controller (19) with described go out the switch of water pump (21) be connected, according to the situation of reactor (5) interior liquid level, the switch of water pump (21) described in control, can be gone out.
2. the treatment unit of a kind of cyanide wastewater according to claim 1, is characterized in that, the pipeline between described intake pump (1) and the first valve (301) is connected with into water sampling valve (2).
3. the treatment unit of a kind of cyanide wastewater according to claim 1, is characterized in that, by install pipeline water outlet sample cock (22) between the lower end of described reactor (5) and flowing water Valve (20).
4. the treatment unit of a kind of cyanide wastewater according to claim 1, is characterized in that, is provided with some dosing mouths on the top of described reactor (5), and be provided with water-in on the top of reactor (5), lower end is provided with water outlet.
5. the treatment unit of a kind of cyanide wastewater according to claim 1, is characterized in that, is provided with mud discharging mouth and control valve in the lower end of described reactor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520394618.0U CN204727652U (en) | 2015-06-10 | 2015-06-10 | A kind for the treatment of unit of cyanide wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520394618.0U CN204727652U (en) | 2015-06-10 | 2015-06-10 | A kind for the treatment of unit of cyanide wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204727652U true CN204727652U (en) | 2015-10-28 |
Family
ID=54386018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520394618.0U Active CN204727652U (en) | 2015-06-10 | 2015-06-10 | A kind for the treatment of unit of cyanide wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204727652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215709A (en) * | 2016-08-26 | 2016-12-14 | 中电环保股份有限公司 | A kind of reverse-osmosis membrane element method of testing and device |
| CN111018068A (en) * | 2019-12-31 | 2020-04-17 | 深圳粤鹏环保技术股份有限公司 | Automatic chemical dosing system for wastewater treatment |
-
2015
- 2015-06-10 CN CN201520394618.0U patent/CN204727652U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215709A (en) * | 2016-08-26 | 2016-12-14 | 中电环保股份有限公司 | A kind of reverse-osmosis membrane element method of testing and device |
| CN111018068A (en) * | 2019-12-31 | 2020-04-17 | 深圳粤鹏环保技术股份有限公司 | Automatic chemical dosing system for wastewater treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102636545B (en) | Early warning device for biomass with comprehensive toxicity in water | |
| CN104789789B (en) | The processing method of the slag containing cyanogen during a kind of gold smelting | |
| CN204727652U (en) | A kind for the treatment of unit of cyanide wastewater | |
| CN104749336A (en) | Positive air pressure transmission device for online water quality monitoring instrument | |
| CN203613056U (en) | Composite oxidation system applicable to advanced treatment of industrial waste water | |
| CN202710513U (en) | Biological warning device for comprehensive water toxicity | |
| CN102874913B (en) | Method and device for treating high-concentration acrylonitrile wastewater | |
| CN203929472U (en) | Waste water chemical oxygen demand detects preprocessing device | |
| CN208120815U (en) | A kind of processing unit of nitrogenous effluent | |
| CN207748904U (en) | A kind of energy-efficient Fenton oxidation processing unit | |
| CN213172326U (en) | CSTR biogas fermentation tank high-efficiency anaerobic reactor with monitoring function | |
| CN205892984U (en) | Production life effluent disposal system of photovoltaic energy enterprise | |
| CN104528876A (en) | High-concentration alkaline organic wastewater ultrasonic catalysis treatment method | |
| CN209778349U (en) | Air stripping adds medicine reflux unit | |
| CN215365366U (en) | Ammonia nitrogen removing device for polymerization centrifugal mother liquor | |
| CN203754548U (en) | Combined advanced oxidation pilot plant for sewage treatment | |
| CN209242827U (en) | The device of time phosphorous in a kind of removal chemical nickle-plating wastewater | |
| CN113138261A (en) | Fresh water river water source pollution detection method | |
| CN208485658U (en) | Catalytic ozonation technique removes the device of hardly degraded organic substance in sewage | |
| CN107601770B (en) | Sewage plant inlet water toxicity real-time early warning device and using method thereof | |
| CN205635183U (en) | Cyanide wastewater breaks cyanogen reaction tank | |
| CN204727700U (en) | A kind for the treatment of unit of high-concentration hardly-degradable waste water | |
| CN202808462U (en) | Treatment device of high-concentration acrylonitrile wastewater | |
| CN203768091U (en) | Two-stage heating and neutralizing device applicable to low-temperature acidic wastewater | |
| CN204495820U (en) | A kind of water quality on-line monitoring instrument malleation air pressure transmitting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |