CN106348490A - Laboratory heavy metal waste liquid treatment integrated machine - Google Patents
Laboratory heavy metal waste liquid treatment integrated machine Download PDFInfo
- Publication number
- CN106348490A CN106348490A CN201610810666.2A CN201610810666A CN106348490A CN 106348490 A CN106348490 A CN 106348490A CN 201610810666 A CN201610810666 A CN 201610810666A CN 106348490 A CN106348490 A CN 106348490A
- Authority
- CN
- China
- Prior art keywords
- pump
- reactor
- waste liquid
- heavy metal
- storage 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
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
Abstract
The invention relates to the technical field of purification of laboratory heavy metal waste liquid, in particular to a laboratory heavy metal waste liquid treatment integrated machine. The integrated machine comprises a waste liquid storage barrel, an alkali adding pump, an acid adding pump, a capture agent feeding pump, a polymeric aluminum chloride feeding pump, a water feeding pump, a vacuum pump, a sludge discharging valve, a first water drain valve, a sludge filter cartridge, a second water drain valve, an agitator, a reactor with a stirrer, an alkali storage tank, an acid storage tank, a heavy metal capture agent storage tank, a polymeric aluminum chloride storage tank and a water-gas separator. The laboratory heavy metal waste liquid treatment integrated machine has advantages of stability and reliability in treatment effect, small space occupancy, high automation degree, simplicity in operation, easiness in maintenance and the like, environmental harmful substance emission can be reduced effectively while laboratory waste liquid treatment cost can be effectively reduced, and remarkable energy saving and emission reduction effects are achieved.
Description
Technical field
The present invention relates to the purification treatment technology field of laboratory heavy metal waste liquid.
Background technology
With the continuous progress developing rapidly and educating of China's science and technology, the rule of school duty room and R＆D units
Mould and quantity are all being continuously increased, and meanwhile laboratory pollution problem is also outstanding day by day, especially laboratory heavy metal waste liquid
Random emission problem.Heavy metal has certain toxicity, it is impossible to be degraded by microorganisms after entering soil and water body, harm
Soil, water ecological setting.By the approach such as empty gas and water, soil enter animal and plant body in, and via food chain amplify be enriched with into
Enter human body, damage health.Health is had considerable influence heavy metal ion mainly have hydrargyrum, copper, lead, cadmium, chromium, zinc,
Nickel, manganese etc..
China's management regulation inadequate, still imperfect to the attention rate of laboratory waste liquid emission problem, a laboratory huge sum of money
Genus waste liquid is not mostly treated or only just enters sewer through simple dilution process, after part Experiment room is using unified collection
Relevant speciality unit is transferred to focus on pattern.But the heavy metal discharging of waste liquid cycle does not know, water quality is complicated, changeable, unified
The transport collected and processing cost are all higher.Therefore, low, the economical and practical experiment heavy metal liquid waste processing dress of a kind of power consumption of research and development
Put an important topic becoming laboratory environment protection work.
At present, process for treating heavy-metal waste water mainly has chemical precipitation method, electrolysis, absorption method, membrane separation process, ion to hand over
Change method etc..These methods have good result to the heavy metals removal in waste water, and the laboratory heavy metal being used for high concentration is given up
The process of liquid remains in many problems.Someone adopts electrolysis treatment of laboratory heavy metal waste liquid, though obtaining certain process effect
Really, but there is also that sludge quantity is many, export license big, treatment effect is difficult to the problems such as stablize.
Content of the invention
It is an object of the invention to provide a kind of laboratory mitigating the Environmental security that lab assistant worked the mischief, is beneficial to
Heavy metal liquid waste processing all-in-one.
The present invention includes waste liquid bucket, plus alkali pump, acid adding pump, agent for capturing adds pump, aluminium polychlorid (pac) adds
Pump, intake pump, vacuum pump, mud valve, drain valve, mud filter cylinder, drain valve, blender, the reactor being provided with agitator, storage alkali
Tank, acid storage tank, heavy metal chelating agent storage tank, aluminium polychlorid storage tank and moisture trap.
Storage alkali tank is connected with reactor by adding alkali pump, and acid storage tank is connected with reactor by acid adding pump, heavy metal chelating
Agent storage tank is added pump by agent for capturing and is connected with reactor, aluminium polychlorid storage tank by aluminium polychlorid add pump with anti-
Device is answered to connect.
Waste liquid bucket is connected with reactor by intake pump, and mud filter cylinder is connected with reactor by mud valve, vacuum
Pump is connected with mud filter cylinder by moisture trap.
It is provided with waste liquid full level meter, mud emptying liquidometer and draining and terminate liquidometer in reactor；Described waste liquid
The signal output part of full level meter is connected to the control end of described intake pump, and described mud empties the signal output part of liquidometer
It is connected to the control end of described mud valve, the signal output part that described draining terminates liquidometer is connected to the control of described drain valve
End.
Operation principle of the present invention is as follows:
(1) feed liquor unit:
This device feed liquor system adopts programme-control peristaltic pump liposuction technique.Device is provided with a heavy metal waste collection bucket, treats
When in collecting vessel, waste liquid reaches a certain amount of, peristaltic pump voluntarily starts, and waste liquid is entered in device by feed tube from waste collection bucket
Reactor.
(2) dosing unit:
This device dosing unit arranges four grug feeding jars and four dosing pumps altogether, store respectively in grug feeding jar heavy metal chelating agent,
Acid, alkali and flocculant four class medicament, each dosing pump corresponds to a grug feeding jar, according to the species of heavy metal in waste liquid ion,
Concentration and processing requirement, add corresponding medicament and dosage respectively in reactor.
(3) reaction member
This device reaction unit adopts the cylindrical pp material reactor of the high 480mm of diameter 300mm, and reactor is provided with stirring
Device, ph meter, liquidometer, waste gas absorption pipe.Using special heavy metal ion agent for capturing, in room temperature and very wide ph value condition and range
Interior, reacted and be quickly generated insoluble, low-water-content, easily precipitation at short notice with the various heavy metal ion in waste water
The cotton-shaped granule removing, by solid-liquid separation thus reaching the purpose of heavy-metal ion removal from water.
(4) sludge dewatering unit:
The sludge dewatering unit of this device is mainly by mud filter cylinder, moisture trap, vacuum pump, liquidometer, waste gas absorption pipe group
Become.Heavy metal sewage sludge in reactor enters mud filter cylinder by discharge pipeline, and the suction of equipment automatic sludge vacuum is dehydrated
Journey, completes compression and the dehydration of mud.
(5) ECU:
This device ECU is mainly made up of plc module, analog sensor, automatically controlled components and parts, touch screen etc..According to waste liquid
The species of middle heavy metal ion, concentration and processing requirement, select species and the concentration of ion, equipment on touch screen operation interface
Embedded software automatically determines added amount of chemical, and the start and stop of the equipment such as controlling pump, electromagnetic valve, agitator, thus automatically control process
Process.
Compared with existing laboratory heavy metal waste liquid treatment method, the present invention adopts efficient neutralization precipitation and organic functional
Group chelating collective effect, according to laboratory heavy metal waste liquid different ions and ion concentration be adjusted flexibly chelating agen, flocculant with
And the operational factor such as acid-base reagent addition.Heavy metal waste liquid after the process of this device can direct qualified discharge nearby, especially
The in-situ treatment of suitable laboratory heavy metal waste liquid.
The present invention is directed the weight that the laboratory of R＆D institution, institution of higher learning produces during test and education experiment
The effective process of metal waste liquid, have that treatment effect is reliable and stable, it is little to take up room, high degree of automation, simple to operate, be easy to
The advantages of safeguard, can effectively reduce the discharge of environment harmful, can effectively reduce laboratory waste liquid processing cost simultaneously,
Possesses significant energy-conserving and emission-cutting technology benefit.
Further, the present invention is also respectively provided with waste gas absorption at the top of reactor, mud filter cylinder, waste liquid bucket
Pipe, filler particles activated carbon in waste gas absorption pipe.Gas in reactor, mud filter cylinder, waste liquid holder is adsorbed
It is emitted in the air after purification.
Brief description
Fig. 1 is a kind of structural representation of invention.
Specific embodiment
As shown in figure 1, storage alkali tank 8 is connected with reactor 5 by adding alkali pump b1 using silica gel tube, acid storage tank 9 adopts silica gel
Gutron is crossed acid adding pump b2 and is connected with reactor 5, and heavy metal chelating agent storage tank 10 adds pump b3 using silica gel tube by agent for capturing
It is connected with reactor 5, pac storage tank 11 is added pump b4 using silica gel tube by pac and is connected with reactor 5.
Waste liquid bucket 13 is connected with reactor 5 by intake pump b5 using silica gel tube, and mud filter cylinder 6 adopts silica gel Gutron
Cross mud valve f1 to be connected with reactor 5, vacuum pump b6 is connected with mud filter cylinder 6 by moisture trap 12 using silica gel tube.
It is provided with three liquidometers: waste liquid full level meter y1, mud emptying liquidometer y2 and draining terminate liquid in reactor 5
Position meter y3.When at the liquid level in reactor 5 to No. 1 liquidometer y1, represent that waste liquid fills, intake pump b5 stops；Work as reaction
When liquid level is to No. 2 liquidometer y2 in device 5, represent that mud has been drained off, now close mud valve f1.
After spoil disposal terminates, by acid adding or plus alkali adjust waste liquid ph value in reactor 5 and reach discharge standard, unlatching reactor
5 drain valve f2, waste liquid qualified discharge, when at liquid level to No. 3 liquidometer y3, represent that draining terminates, close drain valve f2.
Reactor 5, mud filter cylinder 6, waste liquid holder 13 are respectively provided with waste gas absorption pipe 2, filler particles in waste gas absorption pipe 2
Activated carbon.
During using this device treatment of laboratory heavy metal waste liquid, handling process is as follows:
1st, power-on, inputs heavy metal in waste liquid ion concentration, lead pb-x1, copper cu-x2, zinc sn- in touch-screen display interface
X3, stannum cd-x4, nickel ni-x5, chromium cr-x6, manganese mn-x7, cadmium cd-x8.
2nd, after operation interface confirms ion concentration, plc system is transported automatically according to the program reactor that inside has been enrolled
OK.
3rd, open intake pump b5, in the waste liquid injecting reactor 5 of waste liquid holder 14, when No. 1 liquid of liquid level to reactor 5
During the meter y1 of position, close intake pump b5, stop injection waste liquid.
4th, open blender 1, the ph value of waste liquid in ph meter 3 detection reactor 5, when in reactor 5, waste liquid ph value is less than 10
When, open plus alkali pump b1, the alkali liquor in storage alkali tank 8 enters reactor 5 through adding alkali pump b1 from silica gel tube, when useless in reactor
Liquid ph value is equal to closes plus alkali pump b1 when 10.When waste liquid ph value is higher than 10 in reactor 5, open acid adding pump b2, in acid storage tank 9
Acid solution from silica gel tube through acid adding pump b2 enter reactor 5, when in reactor waste liquid ph value be equal to 10 when closing acid adding pump
b2.
5th, open and add heavy metal chelating agent pump b3, the heavy metal chelating agent in heavy metal chelating agent storage tank 10 is from silica gel tube
Enter in reactor 5 through b3, when plc system goes out the operation of heavy metal chelating agent pump b3 according to each ion concentration preset value calculation
Between, when heavy metal chelating agent pump b3 run time reaches value of calculation, heavy metal chelating agent pump b3 stops.
6th, after reaction 10min, open pac and add pump b4, the pac in pac storage tank 11 enters through b4 from silica gel tube anti-
Answer in device 5, b4 closes after opening 2min, after continuing reaction 15min, close blender 1.
7th, reactor 5 standing 30min, opens the drain valve f3 of mud valve f1 and mud filter cylinder 6, the mud of reactor bottom
Flow in the middle of mud filter cylinder 6 through mud valve f1 from silica gel tube, in reactor, liquid level drops to No. 2 liquidometer y2 of reactor 5
When, reactor mud is drained, closes mud valve f1.It is provided with filter cloth 7, sludge retention is in mud filter cylinder 6 inside mud filter cylinder 6
On filter cloth 7, sewage flows into mud filter cylinder 6 bottom by filter cloth 7, is discharged by the drain valve f3 of mud filter cylinder 6.
8th, close time delay 20min after mud valve f1, close the drain valve f3 of mud filter cylinder 6 and the draining of moisture trap 12
Valve f4, opens vacuum pump b6, makes the filter cloth in mud filter cylinder 6 form pressure differential about 7, and water passes through filter cloth 7 under vacuum
Separate from mud, enter mud filter cylinder 6 bottom, vacuum pump b6 closes after running 10min, opens the drain valve f3 of mud filter cylinder 6
With the drain valve f4 of moisture trap 12, water after filter can be by drain valve f3 and drain valve f4 discharge, time delay 2min closing draining
Valve f3 and drain valve f4, opens once again after vacuum pump b6 runs 10min and closes, open drain valve f3 and the air water of mud filter cylinder 6
The drain valve f4 of separator 12 carries out draining, closes after waiting 3min.
9th, open blender 1, open acid adding pump b2, in acid storage tank, 9 acid solution enters instead through acid adding pump b2 from silica gel tube
Answer in device 5, when waste liquid ph value is equal to 8 in reactor 5, closes acid adding pump b2, simultaneously close off blender 1.
10th, open waste water in drain valve f2 discharge reactor 5, when the liquid level of reactor 5 drops to No. 3 liquidometer y3,
Represent that the discharge of wastewater in reactor terminates, after waiting 1min, close drain valve f2.Waste treatment process terminates.
Claims (2)
1. a kind of laboratory heavy metal liquid waste processing all-in-one it is characterised in that include waste liquid bucket, plus alkali pump, acid adding pump,
Agent for capturing adds pump, aluminium polychlorid adds pump, intake pump, vacuum pump, mud valve, drain valve, mud filter cylinder, drain valve, stir
Mix machine, the reactor being provided with agitator, storage alkali tank, acid storage tank, heavy metal chelating agent storage tank, aluminium polychlorid storage tank, gas
Water separator；
Storage alkali tank is connected with reactor by adding alkali pump, and acid storage tank is connected with reactor by acid adding pump, and heavy metal chelating agent is deposited
Storage tank is added pump by agent for capturing and is connected with reactor, and aluminium polychlorid storage tank adds pump and reactor by aluminium polychlorid
Connect；
Waste liquid bucket is connected with reactor by intake pump, and mud filter cylinder is connected with reactor by mud valve, and vacuum pump leads to
Cross moisture trap to be connected with mud filter cylinder；
It is provided with waste liquid full level meter, mud emptying liquidometer and draining and terminate liquidometer in reactor；Described waste liquid fills
The signal output part of liquidometer is connected to the control end of described intake pump, and the signal output part that described mud empties liquidometer connects
In the control end of described mud valve, the signal output part that described draining terminates liquidometer is connected to the control end of described drain valve.
2. according to claim 1 laboratory heavy metal liquid waste processing all-in-one it is characterised in that in reactor, sludge filtering
Cylinder, the top of waste liquid holder are respectively provided with waste gas absorption pipe, filler particles activated carbon in waste gas absorption pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610810666.2A CN106348490A (en) | 2016-09-09 | 2016-09-09 | Laboratory heavy metal waste liquid treatment integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610810666.2A CN106348490A (en) | 2016-09-09 | 2016-09-09 | Laboratory heavy metal waste liquid treatment integrated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106348490A true CN106348490A (en) | 2017-01-25 |
Family
ID=57859049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610810666.2A Pending CN106348490A (en) | 2016-09-09 | 2016-09-09 | Laboratory heavy metal waste liquid treatment integrated machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106348490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233240A (en) * | 2020-03-02 | 2020-06-05 | 天津辰创环境工程科技有限责任公司 | Treatment device and treatment method for liquid hazardous waste pretreatment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2214219Y (en) * | 1994-07-16 | 1995-12-06 | 本溪钢铁公司 | Slurry filtered water discharge unit |
| CN202246364U (en) * | 2011-09-26 | 2012-05-30 | 凯天环保科技股份有限公司 | Sludge dewatering equipment |
| CN202576133U (en) * | 2012-05-18 | 2012-12-05 | 广西博世科环保科技股份有限公司 | Heavy metal wastewater complete treatment equipment |
| CN103910446A (en) * | 2012-12-31 | 2014-07-09 | 北京清大国华环保科技有限公司 | Method and device for modular programmed treatment of heavy metal waste liquid |
| CN204151164U (en) * | 2014-09-29 | 2015-02-11 | 广西壮族自治区环境保护科学研究院 | A kind of containing heavy metal acid-base waste fluid materialization total system |
| CN204675977U (en) * | 2015-05-24 | 2015-09-30 | 何华琼 | A kind of high-level efficiency sludge dewatering equipment |
-
2016
- 2016-09-09 CN CN201610810666.2A patent/CN106348490A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2214219Y (en) * | 1994-07-16 | 1995-12-06 | 本溪钢铁公司 | Slurry filtered water discharge unit |
| CN202246364U (en) * | 2011-09-26 | 2012-05-30 | 凯天环保科技股份有限公司 | Sludge dewatering equipment |
| CN202576133U (en) * | 2012-05-18 | 2012-12-05 | 广西博世科环保科技股份有限公司 | Heavy metal wastewater complete treatment equipment |
| CN103910446A (en) * | 2012-12-31 | 2014-07-09 | 北京清大国华环保科技有限公司 | Method and device for modular programmed treatment of heavy metal waste liquid |
| CN204151164U (en) * | 2014-09-29 | 2015-02-11 | 广西壮族自治区环境保护科学研究院 | A kind of containing heavy metal acid-base waste fluid materialization total system |
| CN204675977U (en) * | 2015-05-24 | 2015-09-30 | 何华琼 | A kind of high-level efficiency sludge dewatering equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233240A (en) * | 2020-03-02 | 2020-06-05 | 天津辰创环境工程科技有限责任公司 | Treatment device and treatment method for liquid hazardous waste pretreatment |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170125 |
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