CN205953712U - Processing apparatus of CODCr survey waste liquid - Google Patents
Processing apparatus of CODCr survey waste liquid Download PDFInfo
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- CN205953712U CN205953712U CN201620856602.1U CN201620856602U CN205953712U CN 205953712 U CN205953712 U CN 205953712U CN 201620856602 U CN201620856602 U CN 201620856602U CN 205953712 U CN205953712 U CN 205953712U
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Abstract
The utility model discloses a processing apparatus of CODCr survey waste liquid, including the waste liquid accumulator, the sodium chloride accumulator, the silver chlorate settling vessel, the naoh accumulator, the sodium carbonate accumulator, the silver chlorate filter, the neutralizer, deposit the concentrator and deposit the filter, waste liquid accumulator and sodium chloride accumulator all are connected with silver chlorate settling vessel inlet through the infusion pipeline, the export of silver chlorate settling vessel is through mud pipe way and silver chlorate filter access connection, naoh accumulator and sodium carbonate accumulator all are connected with the neutralizer inlet through the infusion pipeline, the neutralizer export is connected through infusion pipeline and sediment concentrator inlet, deposit the concentrator export through mud pipe way and sediment filter access connection, be equipped with the pH apparatus in the neutralizer, the transfer line is equipped with the peristaltic pump on the road, the mud pipe is provided with the stop valve on the road with the transfer line that the neutralizer exported on the road, can test the waste liquid that discharges the back and make it discharge to reach standard, the environmental protection by effectual processing CODCr.
Description
Technical field
This utility model is related to liquid waste disposal technique field, more particularly to a kind of CODCrLiquid waste treating apparatus.
Background technology
COD COD (Chemical Oxygen Demand) be chemically measurement water sample in need oxidized
Reducing substanceses amount.Oxidant used by general measure COD is potassium permanganate or potassium dichromate, using difference
The numerical value that draws of oxidant also different, COD (COD) is many both at home and abroad to be measured to it using potassium dichromate method, this
The COD that the method for kind measures is expressed as CODCr, this method is that (sulphuric acid) uses a certain amount of potassium dichromate in strongly acidic solution
In catalyst sulfuric acid silver (Ag2SO4) in the presence of, with Mercury bisulfate. (HgSO4) as screening agent, the reducing substanceses in oxidized waste water.
CODCrWaste liquid is essentially from each enterprise's sewage disposal monitoring station, municipal sewage plant, each province and city environmental monitoring station, third party's prison
Survey mechanism and scientific research institutions etc..
Every place being related to sewage disposal and sewage monitoring is required to monitor CODCr, therefore can produce containing a large amount of H+、
Cr6+、SO4 2-、Ag+、Hg2+、Fe3+And a small amount of NH4+Isoionic heavy metal waste liquid, substantial amounts of hydrion makes waste water carry strong acid
Property, direct discharge can be corroded sewer pipe first, be caused pipe leakage, secondly penetrate in soil after discharge of wastewater, can make soil
Earth acidifying, hardened, be unfavorable for the growth of plant.Trivalent chromium can make cell be distorted canceration；Silver ion belongs to precious metal ion,
Directly discharge not only pollutes environment, will also result in the loss of precious metal；Hydrargyrum is a kind of poisonous substance that can accumulate in vivo, easily
Absorbed by skin, breathing and digestive tract, central nervous tissue and mouth, mucosa and tooth can be destroyed, also larger to kidney injury, make
Become renal cellses necrosis；Hydrargyrum generates methyl mercury through microbial action in water body, and methyl mercury is easily in marine products such as fish, shells
Enrichment in product body, the internal methyl mercury forming very high concentration, human or animal has eaten the marine product containing methyl mercury, has caused methyl
Mercurialism, hazardness is very big.
Utility model content
The purpose of this utility model is to provide a kind of CODCrThe processing meanss of test waste liquid, are deposited with solving above-mentioned prior art
Problem, effectively process CODCrAfter test discharge waste liquid and be allowed to qualified discharge, with reach environmental protection, prevent secondary
The purpose of pollution.
For achieving the above object, this utility model provides following scheme：
This utility model provides a kind of CODCrTest liquid waste treating apparatus, including waste liquid bin, sodium chloride storage device, chlorine
Change silver-colored depositor, sodium hydroxide bin, sodium carbonate bin, silver chloride filter, neutralizer, precipitation concentration device and precipitated
Filter, described waste liquid bin and described sodium chloride storage device are all by infusion pipeline with described silver nitride precipitation device inlet even
Connect, described silver nitride precipitation device outlet is connected with described silver chloride filter inlet by mud line, described sodium hydroxide storage
Storage and described sodium carbonate bin are all connected with described neutralizer inlet by infusion pipeline, and described neutralizer outlet is passed through
Infusion pipeline is connected with described precipitation concentration device inlet, and described precipitation concentration device outlet was precipitated with described by mud line
Filter import connects, and is provided with pH analyzer, described infusion pipeline is provided with peristaltic pump, described mud line in described neutralizer
It is provided with stop valve, the infusion pipeline between described neutralizer outlet and coupled described peristaltic pump is also equipped with ending
Valve.
Preferably, described deposition filter liquid outlet is connected with described neutralizer inlet by infusion pipeline；Described chlorine
Change silver-colored filter liquid outlet to be connected with described neutralizer inlet by infusion pipeline.
Preferably, described neutralizer is provided with chiller, setting temperature sensor in described neutralizer.
Preferably, also include adsorber, described adsorber includes adsorption layer, described adsorption layer be activated carbon, activated coke or
The adsorption layer of resin material, described adsorber inlet passes through infusion pipeline and described neutralizer liquid outlet connects, described absorption
The outlet of device precipitate is connected with described precipitation concentration device by mud line, and it is described that described adsorber precipitate outlet is connected
Mud line is provided with stop valve.
Preferably, also include back flushing device, described waste liquid bin, described sodium chloride storage device, described silver nitride precipitation
Device, the infusion pipeline of described sodium hydroxide bin, described sodium carbonate bin and described neutralizer and described neutralizer
Mud line is all connected with the inlet of a three-way magnetic valve, and another inlet of each described three-way magnetic valve is all by tube for transfusion
Road is connected at the liquid outlet of described back flushing device, the water inlet of the liquid outlet of each described three-way magnetic valve and each described peristaltic pump
Connect.
Preferably, each described peristaltic pump is constant speed pump, or, each described peristaltic pump exit is provided with flow control valve and institute
State flow control valve and be connected with effusion meter.
Preferably, described CODCrTest liquid waste treating apparatus also include casing, described silver nitride precipitation device, described chlorination
Silver-colored filter, described neutralizer, described precipitation concentration device, described deposition filter and described adsorber are arranged in casing, institute
State box bottom and be provided with wheel, in described silver nitride precipitation device and described neutralizer, be provided with stirring paddle.
Preferably, described silver nitride precipitation device, described neutralizer, described precipitation concentration device and described adsorber be transparent
Lucite tank body；Or, described silver nitride precipitation device, described neutralizer, described precipitation concentration device and described adsorber be resistance to
Soda acid PVC tank body, described acid and alkali-resistance PVC tank body is provided with level display device, can show the liquid level of internal liquid.
Preferably, described CODCrTest liquid waste treating apparatus also include controller, and described temperature sensor and described pH survey
Determine instrument and the communication connection of described controller, described controller and each described peristaltic pump, described stirring paddle, described three-way magnetic valve,
Described stop valve and the communication connection of described chiller, described controller is to each described peristaltic pump, described stirring paddle, described threeway
The working condition of electromagnetic valve, described stop valve and described chiller and working time are controlled and adjust；When each described compacted
Be provided with flow control valve at dynamic pump discharge and when described flow control valve is connected with effusion meter, described controller also with described stream
Control valve and the communication connection of described effusion meter, described controller enters to the working condition of described flow control valve and working time
Row controls and adjusts.
Preferably, described controller is provided with display screen and pH display instrument, described display screen respectively with described controller
Communicate to connect with each described peristaltic pump, described display screen can show each described wriggling pump operation time, and described pH display instrument divides
It is not connected with described controller and described pH analyzer signal.
This utility model achieves following technique effect with respect to prior art：
This utility model, first, draws quantitative waste liquid in silver nitride precipitation device, then by chlorine from waste liquid bin
In change sodium bin, there is certain density sodium chloride solution to be added in silver nitride precipitation device, the sodium chloride adding is generally to be managed
By 2-3 times of dosage, staticly settle, you can remove the silver ion in waste liquid, produce silver nitride precipitation, silver nitride precipitation is led to
Superchlorination silver depositor outlet drains in silver chloride filter, dry storage after the silver chloride washing after filtration, silver nitride precipitation
Supernatant in device is input in neutralizer；Then, by peristaltic pump, sodium hydroxide solution is added in neutralizer, neutralization is molten
Hydrion in liquid simultaneously makes heavy metal ion precipitate, and when pH is 7 about, sodium carbonate liquor is added to neutralizer, further
Adjust pH and so that heavy metal ion is precipitated, can prevent highly basic from so that heavy metal is dissolved, then stand, make to react more in neutralizer
Plus fully；Precipitate in neutralizer is evacuated to precipitation concentration device, precipitates further, repeatedly after be concentrated through deposition filter mistake
Filter is processed, and precipitate has transferred to qualification unit safe to dispose after air-drying.
This utility model enables for the noble silver in waste liquid to be converted into silver chloride, and storage is sold it is therefore prevented that valuable gold
The loss belonging to, improves the comprehensive utilization ratio of waste, mitigates environmental pollution it is ensured that each metal ion meets national first pollutant
Highest allows concentration of emission to require.Achieve by the poisonous and harmful metal in solution be converted into isolated in solid form out it is easy to
Storage and transport, reduce the useless processing cost of danger.This utility model achieves CODCrTest waste liquid is disposed on the spot in time, generation
CODCrTest waste liquid can be accomplished to produce day daily clearly, convenient and swift.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
In required use accompanying drawing be briefly described it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is this utility model CODCrThe structural representation of the processing meanss of test waste liquid；
In figure：1- waste liquid bin, 2- sodium chloride storage device, 3- silver nitride precipitation device, 4- sodium hydroxide bin, 5- carbon
Sour sodium bin, 6- silver chloride filter, 7- neutralizer, 8- precipitation concentration device, 9- deposition filter, 10- peristaltic pump, 11- cut
Only valve, 12- adsorber, 13- back flushing device, 14- flow control valve, 15- stirring paddle.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
The purpose of this utility model is to provide a kind of CODCrThe processing meanss of test waste liquid, are deposited with solving above-mentioned prior art
Problem, effectively process CODCrAfter test discharge waste liquid and be allowed to qualified discharge, with reach environmental protection, prevent secondary
The purpose of pollution.
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to this utility model.
Embodiment one
The present embodiment provides a kind of CODCrTest liquid waste treating apparatus, as shown in figure 1, include waste liquid bin 1, chlorination
Sodium bin 2, silver nitride precipitation device 3, sodium hydroxide bin 4, sodium carbonate bin 5, silver chloride filter 6, neutralizer 7,
Precipitation concentration device 8 and deposition filter 9, waste liquid bin 1 and sodium chloride storage device 2 are all by infusion pipeline and silver nitride precipitation
Device 3 inlet connects, and silver nitride precipitation device 3 outlet is connected with silver chloride filter 6 import by mud line, and sodium hydroxide stores up
Storage 4 and sodium carbonate bin 5 are all connected with neutralizer 7 inlet by infusion pipeline, and infusion pipeline is passed through in neutralizer 7 outlet
It is connected with precipitation concentration device 8 inlet, precipitation concentration device 8 outlet is connected with deposition filter 9 import by mud line, neutralization
Be provided with pH analyzer in device 7, infusion pipeline is provided with peristaltic pump 10, mud line is provided with stop valve 11, neutralizer 7 outlet with
It is also equipped with stop valve on infusion pipeline between coupled peristaltic pump 10.
During using this device, first, draw the waste liquid of 10-50L from waste liquid bin 1 in silver nitride precipitation device 3, so
It is added to having certain density sodium chloride solution in sodium chloride storage device 2 in silver nitride precipitation device 3 afterwards, chlorine in the present embodiment
The concentration changing sodium solution is 0.5-5.0g/L, and the sodium chloride adding is 2-3 times of theoretical dosage, staticly settles 12 hours, can
Guarantee that the reaction of silver ion generation silver nitride precipitation is more abundant.Silver nitride precipitation is passed through silver nitride precipitation device 3 outlet drain into
In silver chloride filter 6, dry storage after the silver chloride washing after filtration.Supernatant in silver nitride precipitation device 6 is input to
In neutralizer 7, then, by peristaltic pump 10, sodium hydroxide solution is added in neutralizer 7, adds dense in the present embodiment
Spend the sodium hydroxide solution for 5%-30%, the hydrion in neutralization solution simultaneously makes heavy metal ion precipitate；When in neutralizer
When pH value of solution is 7 about, stop adding sodium hydroxide solution, the time of staying is the 30-60 second, being subsequently adding concentration is 5%-10%
Sodium carbonate liquor, further adjust pH be 8 about when stop add sodium carbonate liquor, prevent highly basic from excessively making heavy metal molten
Solution, then stands 2-10 hour, makes reaction in neutralizer 7 more abundant, when pH is more than 7, heavy metal ion in waste liquid, such as
Silver, hydrargyrum, chromium, ferrum etc. are separated out with precipitation form, and this process can produce substantial amounts of tan precipitate thing.By the precipitation in neutralizer 7
Thing is evacuated to precipitation concentration device 8, and precipitation concentration device 8 is concentrated through deposition filter 9 mistake after the precipitation in neutralizer 7 is repeatedly collected
Filter is processed, and precipitate has transferred to qualification unit safe to dispose after air-drying.
The present embodiment achieves and for the noble silver in waste liquid to be converted into silver chloride, and storage is sold it is therefore prevented that precious metal
Loss, improve waste comprehensive utilization ratio, mitigate environmental pollution it is ensured that each metal ion meets national first pollutant
High permission concentration of emission requires.Achieve and the poisonous and harmful metal in solution is converted into isolated in solid form out it is easy to store up
Deposit and transport, reduce the useless processing cost of danger.
Embodiment two
The present embodiment provides a kind of CODCrTest liquid waste treating apparatus, as shown in figure 1, on the basis of embodiment one, this
Deposition filter 9 liquid outlet of embodiment is connected with neutralizer 7 inlet by infusion pipeline；Silver chloride filter 6 liquid outlet
It is connected with neutralizer 7 inlet by infusion pipeline, the filtrate after silver nitride precipitation and other heavy metal precipitations are filtered is returned
Return neutralizer 7, proceed to react, can further the heavy metal ion in solution and hydrion be removed, reducing in waste liquid has
The content of evil material.
Neutralizer 7 is provided with chiller, setting temperature sensor in neutralizer 7.Because acid-base neutralization can be released in a large number
Heat, when reaction temperature exceedes uniform temperature, when the present embodiment is 30 DEG C, opens chiller, the temperature in reduction neutralizer is simultaneously
Make at a temperature below 30 DEG C.
The present embodiment is additionally provided with adsorber 12, and adsorber 12 includes adsorption layer, and adsorption layer is activated carbon, activated coke or tree
The adsorption layer of fat material, adsorber 12 inlet passes through infusion pipeline and neutralizer 7 liquid outlet connects, and adsorber 12 can be further
Heavy metal ion in absorption waste liquid is it is ensured that qualified discharge.Mud line and precipitation concentration are passed through in the outlet of adsorber 12 precipitate
Device 8 connects, and the connected mud line of adsorber 12 precipitate outlet is provided with stop valve 11, can be by the precipitation in adsorber 12
Thing is evacuated in precipitation concentration device 8, treats further filtration treatment.
The present embodiment also sets up back flushing device 13, waste liquid bin 1, sodium chloride storage device 2, silver nitride precipitation device 3, hydrogen-oxygen
The mud line of the infusion pipeline and neutralizer 7 of changing sodium bin 4, sodium carbonate bin 5 and neutralizer 7 is all energized with one or three
The inlet of magnet valve connects, and another inlet of each three-way magnetic valve all goes out liquid by what infusion pipeline was connected to back flushing device 13
At mouthful, the liquid outlet of each three-way magnetic valve is connected with the water inlet of each peristaltic pump 10.After the completion of liquid waste processing, back flushing device 13 can
Silver nitride precipitation device 3, neutralizer 7, adsorber 12, precipitation concentration device 8 add water flushing, and anti-locking system crystallizes fouling.
In the present embodiment each peristaltic pump 10 be constant speed pump, or, each peristaltic pump 10 exit be provided with flow control valve 14 and
Flow control valve 14 is connected with effusion meter, thus can achieve that the flow to the liquid flowing through each peristaltic pump 10 is controlled, realizes
Accurate process to harmful ion in waste liquid, realizes waste liquid qualified discharge.
CODCrTest liquid waste treating apparatus also include casing, silver nitride precipitation device 3, silver chloride filter 6, neutralizer 7, heavy
Shallow lake concentrator 8, deposition filter 9 and adsorber 12 are arranged in casing, and box bottom is provided with wheel, are easy to the present embodiment and carry
For CODCrThe movement of test liquid waste treating apparatus, easy to use；It is provided with stirring paddle in silver nitride precipitation device 3 and neutralizer 7
15, its internal-response can be made more fully complete.Preferably a kind of embodiment, waste liquid bin 1, sodium chloride storage device 2, hydrogen
Sodium oxide storage 4, sodium carbonate bin 5 and back flushing device 13 are arranged on outside car body, are easy to increasing of its internal liquid.
Silver nitride precipitation device 3, neutralizer 7, precipitation concentration device 8 and adsorber 12 are transparent organic glass tank body；Or, chlorine
Change silver-colored depositor 3, neutralizer 7, precipitation concentration device 8 and adsorber 12 and be acid and alkali-resistance PVC tank body, acid and alkali-resistance PVC tank body sets
There is level display device, the liquid level of internal liquid can be shown, be easy to timely level monitoring reactions change.
CODCrTest liquid waste treating apparatus also include controller, temperature sensor and pH analyzer and controller communication link
Connect, controller is communicated to connect with each peristaltic pump 10, stirring paddle 15, three-way magnetic valve and stop valve 11, and controller is to each peristaltic pump
10th, the working condition of stirring paddle 15, three-way magnetic valve and stop valve 11 and working time are controlled and adjust；When each peristaltic pump
10 exits are provided with flow control valve 14 and when flow control valve 14 is connected with effusion meter, controller also with flow control valve 14
With effusion meter communication connection, controller is controlled to the working condition of flow control valve 14 and working time and adjusts.Control
Device can control startup and the stopping of each peristaltic pump 10, thus controlling the liquid feeding time of each peristaltic pump.
Display screen and pH display instrument are provided with controller, display screen respectively with controller and each peristaltic pump 10 communication link
Connect, display screen can show each peristaltic pump 10 working time, pH display instrument is connected with controller and pH analyzer signal respectively, can
The pH value of liquid in display neutralizer.
The present embodiment can achieve that full automation controls, coordinated signals, and wriggling pump startup starts stirring paddle simultaneously, improves dress
The work efficiency put and the speed of reaction, achievable CODCrWaste liquid is disposed on the spot in time, the COD of generationCrWaste liquid can be accomplished day
Produce day clearly, convenient and swift.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, because it corresponds to the method disclosed in Example, so description is fairly simple, say referring to method part in place of correlation
Bright.
Apply specific case in this utility model principle of the present utility model and embodiment are set forth, above
The explanation of embodiment is only intended to help understand method of the present utility model and its core concept；Simultaneously for this area one
As technical staff, according to thought of the present utility model, all will change in specific embodiments and applications.To sum up
Described, this specification content should not be construed as to restriction of the present utility model.
Claims (10)
1. a kind of CODCrTest liquid waste treating apparatus it is characterised in that：Including waste liquid bin, sodium chloride storage device, silver chloride
Depositor, sodium hydroxide bin, sodium carbonate bin, silver chloride filter, neutralizer, precipitation concentration device and precipitation filter
Device, described waste liquid bin and described sodium chloride storage device are all by infusion pipeline with described silver nitride precipitation device inlet even
Connect, described silver nitride precipitation device outlet is connected with described silver chloride filter inlet by mud line, described sodium hydroxide storage
Storage and described sodium carbonate bin are all connected with described neutralizer inlet by infusion pipeline, and described neutralizer outlet is passed through
Infusion pipeline is connected with described precipitation concentration device inlet, and described precipitation concentration device outlet was precipitated with described by mud line
Filter import connects, and is provided with pH analyzer, described infusion pipeline is provided with peristaltic pump, described mud line in described neutralizer
It is provided with stop valve, the infusion pipeline between described neutralizer outlet and coupled described peristaltic pump is also equipped with ending
Valve.
2. COD according to claim 1CrTest liquid waste treating apparatus it is characterised in that：Described deposition filter liquid outlet
It is connected with described neutralizer inlet by infusion pipeline；Described silver chloride filter liquid outlet pass through infusion pipeline with described in
Connect with device inlet.
3. COD according to claim 2CrTest liquid waste treating apparatus it is characterised in that：Described neutralizer is provided with cooling
Device, setting temperature sensor in described neutralizer.
4. COD according to claim 3CrTest liquid waste treating apparatus it is characterised in that：Also include adsorber, described suction
Adnexa includes adsorption layer, and described adsorption layer is the adsorption layer of activated carbon, activated coke or resin material, and described adsorber inlet leads to
Cross infusion pipeline and described neutralizer liquid outlet connects, described adsorber precipitate outlet is dense with described precipitation by mud line
Contracting device connects, and the described mud line that described adsorber precipitate outlet is connected is provided with stop valve.
5. COD according to claim 4CrTest liquid waste treating apparatus it is characterised in that：Also include back flushing device, described
Waste liquid bin, described sodium chloride storage device, described silver nitride precipitation device, described sodium hydroxide bin, the storage of described sodium carbonate
The mud line of the infusion pipeline of storage and described neutralizer and described neutralizer is all connected with the inlet of a three-way magnetic valve
Connect, another inlet of each described three-way magnetic valve is all connected at the liquid outlet of described back flushing device, respectively by infusion pipeline
The liquid outlet of described three-way magnetic valve is connected with the water inlet of each described peristaltic pump.
6. COD according to claim 5CrTest liquid waste treating apparatus it is characterised in that：Each described peristaltic pump is constant speed
Pump, or, each described peristaltic pump exit is provided with flow control valve and described flow control valve is connected with effusion meter.
7. COD according to claim 6CrTest liquid waste treating apparatus it is characterised in that：Described CODCrTest liquid waste processing
Device also includes casing, described silver nitride precipitation device, described silver chloride filter, described neutralizer, described precipitation concentration device, institute
State deposition filter and described adsorber is arranged in casing, described box bottom is provided with wheel, described silver nitride precipitation device
It is provided with stirring paddle with described neutralizer.
8. COD according to claim 7CrTest liquid waste treating apparatus it is characterised in that：Described silver nitride precipitation device, institute
State neutralizer, described precipitation concentration device and described adsorber and be transparent organic glass tank body；Or, described silver nitride precipitation device,
Described neutralizer, described precipitation concentration device and described adsorber are acid and alkali-resistance PVC tank body, and described acid and alkali-resistance PVC tank body sets
There is level display device, the liquid level of internal liquid can be shown.
9. COD according to claim 8CrTest liquid waste treating apparatus it is characterised in that：Described CODCrTest liquid waste processing
Device also includes controller, and described temperature sensor and described pH analyzer are communicated to connect with described controller, described controller
With the communication connection of each described peristaltic pump, described stirring paddle, described three-way magnetic valve, described stop valve and described chiller, institute
State controller to each described peristaltic pump, described stirring paddle, described three-way magnetic valve, described stop valve and described chiller work
Make state and the working time is controlled and adjusts；When each described peristaltic pump exit is provided with flow control valve and described flow
When control valve is connected with effusion meter, described controller is also communicated to connect with described flow control valve and described effusion meter, described control
Device processed is controlled to the working condition of described flow control valve and working time and adjusts.
10. COD according to claim 9CrTest liquid waste treating apparatus it is characterised in that：It is provided with described controller
Display screen and pH display instrument, described display screen is communicated to connect with described controller and each described peristaltic pump respectively, described display screen
Each described wriggling pump operation time can be shown, described pH display instrument is connected with described controller and described pH analyzer signal respectively
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620856602.1U CN205953712U (en) | 2016-08-09 | 2016-08-09 | Processing apparatus of CODCr survey waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620856602.1U CN205953712U (en) | 2016-08-09 | 2016-08-09 | Processing apparatus of CODCr survey waste liquid |
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| CN205953712U true CN205953712U (en) | 2017-02-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698067A (en) * | 2017-11-15 | 2018-02-16 | 维科诚（苏州）光伏科技有限公司 | A kind of silver-colored liquid waste treating apparatus of the black silicon of wet method |
-
2016
- 2016-08-09 CN CN201620856602.1U patent/CN205953712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698067A (en) * | 2017-11-15 | 2018-02-16 | 维科诚（苏州）光伏科技有限公司 | A kind of silver-colored liquid waste treating apparatus of the black silicon of wet method |
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