CN205803182U - CODcr liquid waste treatment system - Google Patents
CODcr liquid waste treatment system Download PDFInfo
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- CN205803182U CN205803182U CN201620662410.7U CN201620662410U CN205803182U CN 205803182 U CN205803182 U CN 205803182U CN 201620662410 U CN201620662410 U CN 201620662410U CN 205803182 U CN205803182 U CN 205803182U
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Abstract
The utility model discloses a kind of CODcr liquid waste treatment system, field of waste liquid treatment.Described system includes sample introduction dosing unit, waste liquid regulation unit, electrical control unit, filter element and control unit;Sample introduction dosing unit includes: tap water inlet pipe, waste liquid inlet pipe, many group reagents device, waste drains pump and water intaking valve;Waste liquid regulation unit includes: instrument display screen, elevator, liquid level sensor group, regulating reservoir, air pump, stirring valve, ORP sensor and pH sensor;Electrical control unit includes: power interface, communication interface, touch screen, on and off switch, audible-visual annunciator, master control electric plates and liquid level sensor;Filter element includes exhaust-valve, grade one filter, secondary filter, tertiary filter, floss hole.This utility model is full-automatic, and treatment effeciency is high, and discharging of waste liquid index is stable, reliable.Used reagent is conventional low cost reagent, and non-hazardous, and processing cost reduces by more than 50%.
Description
Technical field
This utility model relates to field of waste liquid treatment, particularly relates to a kind of CODcr liquid waste treatment system.
Background technology
The subsequent treatment of industrial wastes is that enterprise faces a great problem, and the practices well of existing enterprise is to concentrate waste liquid to receive
The unit transferring to qualification after collection focuses on, but due to storage danger, processing cost is higher and waste liquid transport etc.
Reason, Some Enterprises have selected the direct discharge of waste liquid, natural environment cause greatly destruction.Therefore, continue a kind of system or dress
Put and can reach to process the purpose of industrial wastes used by each enterprise.
Utility model content
The purpose of this utility model is to provide a kind of CODcr liquid waste treatment system, thus solves to exist in prior art
Foregoing problems.
To achieve these goals, CODcr liquid waste treatment system described in the utility model, described system includes sample introduction dosing
Unit, waste liquid regulation unit, electrical control unit, filter element and control unit;
Described sample introduction dosing unit includes: tap water inlet pipe, waste liquid inlet pipe, many group reagents device, waste drains pump and water intaking valve;
Tap water inlet pipe is connected with water intaking valve import, and water intaking valve outlet connects with spray thrower in regulating reservoir;Waste liquid inlet pipe one end and waste liquid
Pond connects, and the other end connects with regulating reservoir;Many group reagents device all connects with regulating reservoir;Many group reagents device, waste drains pump, water inlet
Valve communicates to connect with control unit respectively;
Described waste liquid regulation unit includes: instrument display screen, elevator, liquid level sensor group, regulating reservoir, air pump, stirring
Valve, ORP sensor and pH sensor;Liquid level sensor group is arranged in described regulating reservoir, and described ORP sensor and described pH pass
Sensor is arranged on the lever arm of described elevator and is arranged on the top of described regulating reservoir, described ORP sensor and described pH
Sensor is connected with instrument display screen respectively;Described air pump is connected with described stirring valve, and described stirring valve is with described regulating reservoir even
Connect;Described instrument display screen, described liquid level sensor group communicate to connect with master control electric plates;
Described electrical control unit includes: power interface, communication interface, touch screen, on and off switch, audible-visual annunciator, master
Control electric plates and liquid level sensor;Described power interface electrically connects with city;By described communication interface, CODcr liquid waste processing system
System and the connection of control centre;Described touch screen and described liquid level sensor communicate to connect with master control electric plates respectively, and power supply is opened
Close, audible-visual annunciator is connected with control unit respectively;Described liquid level sensor is arranged on the reagent bottle place of described reagent device
District;
Described filter element includes: the exhaust-valve that sequentially connects, grade one filter, secondary filter, tertiary filter, row
Putting mouth, described exhaust-valve also connects with regulating reservoir, arranges pressure charging valve between described grade one filter and described air pump.
Preferably, many group reagents device includes 6 group reagent devices, specially alkali pump and alkali bottle group, reducing agent pump and reduction
Agent bottle group, flocculation aid pump and flocculation aid bottle group, vulcanizing agent pump and vulcanizing agent bottle group, deioniser pump and deioniser bottle group, wadding
Setting agent pump and flocculant bottle group;Wherein, alkali pump, reducing agent pump, flocculation aid pump, vulcanizing agent pump, deioniser pump and flocculant pump
It is connected with control unit respectively;Vulcanizing agent pump, deioniser pump, flocculant pump are the 24V peristaltic pump that rotating speed is fixing;Alkali pump, also
Former dose of pump, flocculation aid pump are the adjustable peristaltic pump of rotating speed.
Preferably, the material of described tap water inlet pipe is corrosion-resistant PTFE, and described water intaking valve is the SMC of latus rectum 8mm
24V drives length to close electromagnetic valve.
Preferably, described waste liquid inlet pipe uses fluorine rubber-pipe, and described waste drains pump is peristaltic pump.
Preferably, described liquid level sensor group includes: high level sensor, working solution level sensor and low level sensing
Device.
Described high level sensor, described working solution level sensor and described low liquid level sensor are the ball float of PP material
Sensor.
Preferably, described stirring valve is pinch valve, and the fairlead of described stirring valve is connected with regulating reservoir from bottom.
Preferably, described master control electric plates 25 includes AC D/C power, PLC, digital extended module, simulation extension
Module, pump valve panel, signal isolator and air switch;The output of described air switch supplies to electrically connect with described PLC,
Described PLC, described digital extended module, described simulation control module are linked in sequence;Described AC-DC power supply direct current exports
24V respectively with the DC supply input of described digital extended module, described simulation expansion module, described pump valve panel even
Connect;Described signal isolator outfan is connected with described simulation expansion module analog input end mouth;Described simulation expansion module
The current input terminal 1 of current output terminal No. 1 and No. 2 and pump valve panel, No. 2 connect one to one;Digital extended mould
The digital output end 0 to 7 of block sequentially digital input end 1 to 8 with pump valve panel connects one to one.
Preferably, described exhaust-valve is heavy caliber pinch valve, is connected with regulating reservoir and grade one filter respectively by flexible pipe.
Preferably, described filter element also includes atmos-valve, and described atmos-valve is respectively with pressure charging valve, grade one filter even
Connect;The built-in 300 mesh drainage screens of described grade one filter;The shell of described secondary filter is stainless steel, and inside arranges 5um
PP filtration of material core;The shell of described tertiary filter is stainless steel, and inside arranges PP filtration core, activated carbon and infiltration
Film;The material of described floss hole is rustless steel, built-in fast interface.
Preferably, described CODcr liquid waste treatment system is shell structure, and described instrument display screen, touch screen, power supply connect
Mouth, communication interface, on and off switch, audible-visual annunciator, tap water inlet pipe import, the import of waste liquid inlet pipe, finder outlet are arranged
On the outer wall of described shell structure;Wherein, described finder outlet and the overfall being arranged on described regulating reservoir are by overflowing
Flow tube connects.
The beneficial effects of the utility model are:
This utility model use " oxide reduction techniques ", " adsorption technology ", " multistage filtering ", " spray ", " gas agitating " and
Technology such as " life-span managements ", it is achieved that the harmless treatment of chromium method COD waste liquid, solves the measurement of chromium method COD measuring instrument and is produced
The problem of the secondary pollution of waste liquid.
System body low cost described in the utility model, technical maturity, and processing procedure is without manual operation, have employed multistage
The technology such as filtration, cleaning showers, Gas Stirring and user oriented life-span management, become harmful substance in waste liquid from ionic state
Solid state stability material, after multistage filtering, liquid qualified discharge, waste residue centralized collection has been handed qualification unit over to and has been processed.Institute
The waste residue volume formed and process front volume ratio are more than 1:2 0, it is simple to transport and store.System described in the utility model uses model
Enclose wide, can use with online coordinative composition of equipments, it is also possible to be applied to laboratory environment, can act also as hazardous waste disposal unit
Special equipment.
Accompanying drawing explanation
Fig. 1 is the side outer wall construction schematic diagram of CODcr liquid waste treatment system;
Fig. 2 is the opposite side outer wall construction schematic diagram of CODcr liquid waste treatment system;
Fig. 3 is the sectional view in Fig. 2 A-A direction;
Fig. 4 is the private side outer wall construction schematic diagram of CODcr liquid waste treatment system;
Fig. 5 is the sectional view in Fig. 4 B-B direction;
Fig. 6 is the software function schematic diagram of the installation of CODcr liquid waste treatment system;
Fig. 7 is the handling process schematic diagram of CODcr liquid waste treatment system.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, to this reality
It is further elaborated with novel.Should be appreciated that detailed description of the invention described herein is only in order to explain this practicality
Novel, it is not used to limit this utility model.
Embodiment
CODcr liquid waste treatment system described in the present embodiment, described system include sample introduction dosing unit, waste liquid regulation unit,
Electrical control unit, filter element and control unit;
Described sample introduction dosing unit includes: tap water inlet pipe 3, waste liquid inlet pipe 4, many group reagents device, waste drains pump 35 and enter
Water valve 36;Tap water inlet pipe 3 is connected with water intaking valve 36 import, and water intaking valve 36 outlet connects with spray thrower in regulating reservoir 31;Waste liquid
Inlet pipe 4 one end connects with waste liquid pool, and the other end connects with regulating reservoir 31;Many group reagents device all connects with regulating reservoir 31;Many groups
Reagent device, waste drains pump 35, water intaking valve 36 communicate to connect with control unit respectively;
Described waste liquid regulation unit includes: instrument display screen 24, elevator 27, liquid level sensor group, regulating reservoir 31, air pump
39, stirring valve 40, ORP sensor 41 and pH sensor 42;Liquid level sensor group is arranged in described regulating reservoir 31, described ORP
Sensor 41 and described pH sensor 42 are arranged on the lever arm of described elevator 27 and are arranged on the upper of described regulating reservoir 31
Side, described ORP sensor 41 and described pH sensor 42 are connected with instrument display screen 24 respectively;Described air pump 39 and stirring valve 40
Connecting, described stirring valve 40 is connected with described regulating reservoir 31;Instrument display screen 24, liquid level sensor communicate with master control electric plates 25
Connect;
Described electrical control unit includes: power interface 1, communication interface 2, touch screen 7, on and off switch 8, audible-visual annunciator
9, master control electric plates 25 and liquid level sensor 16;Described power interface 1 electrically connects with city;By described communication interface 2, CODcr
Liquid waste treatment system and the connection of control centre;Described touch screen 7 and described liquid level sensor 16 respectively with master control electric plates 25
Communication connection, on and off switch 8, audible-visual annunciator 9 are connected with control unit respectively;Described liquid level sensor 16 is arranged on described examination
The reagent bottle location of agent device;
Described filter element includes: the exhaust-valve 32 that sequentially connects, grade one filter 33,17, three grades of mistakes of secondary filter
Filter 34, floss hole 6, described exhaust-valve 32 also connects with regulating reservoir 31, described grade one filter 33 and described air pump 39 it
Between pressure charging valve 38 is set.
Being explained in more detail explanation is:
(1) sample introduction and dosing unit are responsible for the interpolation of the extraction of waste liquid, dilution and reagent treatment.
A, the material of described tap water inlet pipe are corrosion-resistant PTFE, and described water intaking valve 36 is the SMC 24V of latus rectum 8mm
Length is driven to close electromagnetic valve.
B, many group reagents device includes 19 groups of 6 group reagent devices, specially alkali pump 10 and alkali bottle, reducing agent pump 11 and goes back
18 groups of former dose of bottle, flocculation aid pump 12 and 21 groups of flocculation aid bottle, vulcanizing agent pump 13 and 20 groups of vulcanizing agent bottle, deioniser pump 14 and go
22 groups of ionic agent bottle, flocculant pump 15 and 23 groups of flocculant bottle;Wherein, alkali pump 10, reducing agent pump 11, flocculation aid pump 12, sulfuration
Agent pump 13, deioniser pump 14 and flocculant pump 15 are connected with control unit respectively;Vulcanizing agent pump 13, deioniser pump 14, wadding
The 24V peristaltic pump that setting agent pump 15 is fixed for rotating speed;Alkali pump 10, reducing agent pump 11, flocculation aid pump 12 are the adjustable peristaltic pump of rotating speed.
C, waste liquid inlet pipe 4 use fluorine rubber-pipe, waste drains pump 35 to be peristaltic pump.Waste liquid inlet pipe 4 and waste drains pump 35 complete useless
The extraction of liquid.
(2) waste liquid regulation unit be responsible for waste liquid harmless treatment, carry out waste liquid with reagent treatment mixing and abundant
Reaction, by sensor feedback liquid waste processing degree.
A, described liquid level sensor include: high level sensor 28, working solution level sensor 29 and low liquid level sensor 30,
Corresponding liquid level is provided to judge signal;Described high level sensor 28, described working solution level sensor 29 and described low liquid level pass
Sensor 30 is the floating ball sensor of PP material.
B, instrument display screen 24 are connected with ORP sensor 41, pH sensor 42, are responsible for measurement and the display of Testing index,
And drawn analogue signal to master control electric plates 25 by display screen 24.
C, elevator 27 are responsible for ORP sensor 41, pH sensor 42 and the insertion of liquid level in regulating reservoir 31 and disengaging.
D, described stirring valve 40 are pinch valve, and the fairlead of described stirring valve 40 is connected with regulating reservoir 31 from bottom;Air pump
39 are responsible for the mixing stirring of waste liquid and reagent with stirring valve 40.Stirring valve 40 uses pinch valve, it is to avoid waste liquid is splashed into, and corrodes valve
Body.Stirring valve 40 fairlead is connected with regulating reservoir from bottom.
(3) electric control unit be responsible for system can the control of executive component, DATA REASONING, Dynamic Execution show, man-machine friendship
Mutually, the function such as warning.
Power interface 1 is the access port of system power supply.
Communication interface 2 is the connector of system and control centre.
Touch screen 7 is 10 cun of electric resistance touch screens, and dynamic display processing process can carry out man-machine interaction, with master control electric plates
25 are connected by netting twine.
On and off switch 8 is responsible for the supply of complete machine power supply.
Audible-visual annunciator 9 is responsible for during system alarm carrying out sound and light alarm.
Described master control electric plates 25 includes AC D/C power, PLC, digital extended module, simulation expansion module, pump
Valve panel, signal isolator and air switch;The output of described air switch supplies to electrically connect with described PLC, described PLC
Controller, described digital extended module, described simulation control module are linked in sequence;
Described AC-DC power supply direct current output 24V respectively with described digital extended module, described simulation expansion module, institute
The DC supply input stating pump valve panel connects;Described signal isolator outfan is defeated with the simulation of described simulation expansion module
Inbound port connects;The current input terminal 1 of the current output terminal of described simulation expansion module No. 1 and No. 2 and pump valve panel
Number, No. 2 connect one to one;The digital output end 0 to 7 of digital extended module sequentially with the digital input end 1 of pump valve panel
Connect one to one to 8.Particularly as follows: the current output terminal 1 of described simulation expansion module is defeated with the electric current of pump valve panel
Enter terminal 1 connection;The current input terminal 2 of the current output terminal of described simulation expansion module 2 and pump valve panel
Connect;The digital output end 0,1,2,3,4,5,6,7 of digital extended module sequentially with the digital input end 1 of pump valve panel, 2,
3,4,5,6,7,8 connect.
Liquid level sensor 16 is non-contact capacitive BL, is responsible for measuring reagent bottle liquid level signal, for system
Perform to provide basis for estimation.
(4) waste liquid that filter element is responsible for after processing carries out solid-liquid separation.Described filter element also includes atmos-valve 37,
Described atmos-valve 37 is connected with pressure charging valve 38, grade one filter 33 respectively by flexible pipe;
Described exhaust-valve 32 is heavy caliber pinch valve, is connected with regulating reservoir 31 and grade one filter 33 respectively by flexible pipe.
Described grade one filter 33 shell uses rustless steel to form with PP materials processing, built-in 300 mesh drainage screens;It was responsible for
Solid matter after filter collection process.
The shell of described secondary filter 17 is stainless steel, and inside arranges 5um PP filtration of material core, described one-level
Filter 33 is connected by standard hose with described secondary filter 17.
The shell of described tertiary filter 34 is stainless steel, and inside arranges PP filtration core, activated carbon and permeable membrane pair
Liquid after process filters;Described secondary filter 17 is connected with tertiary filter 34 by standard hose.
Described tertiary filter 34 is connected with floss hole 6 by flexible pipe.
The material of described floss hole 6 is rustless steel, built-in fast interface, and the water quality after process is discharged by pipeline.
(5) described CODcr liquid waste treatment system is shell structure, described instrument display screen 24, touch screen 7, power interface
1, communication interface 2, on and off switch 8, audible-visual annunciator 9, tap water inlet pipe 3 import, the import of waste liquid inlet pipe 4, finder outlet 5
It is arranged on the outer wall of described shell structure;Wherein, described finder outlet 5 and the overfall being arranged on described regulating reservoir 31
Connected by overflow pipe.
The advantage of CODcr liquid waste treatment system described herein:
1, it is applicable to chromium method COD instrument and produces the process of waste liquid, processing procedure adds 6 kinds of reagent altogether, makes in waste liquid
Heavy metal ion forms solid precipitation, and is filtered by three grades of physical filtering devices, gets rid of liquid and meets discharge standard.
2, use the mechanical agitation that high efficiency Gas Stirring technical substitution is traditional, make chemical reaction more abundant.
3, reagent uses adjustable peristaltic pump to add, and PH and oxidation reduction potential control use PID regulation.
4, regulating reservoir uses politef material, and corrosion resistance is higher.
5, using gas boosting technology in drainage procedure, drainage efficiency is higher.
6, sensor uses lifetime management, makes plant maintenance simple.
7, three-stage filtration, the first order filters built-in 300 mesh drainage screens, carries out solid matter collection, two grades of 5um filters,
Three grades of activated carbons and filter membrane, filtration residue material.
8, use automatic spray technology, extend the service life of sensor.
9, add equipment self-inspection technology, such as liquid level emptying detection, processing procedure modelling after level detection, process, reduce
Misoperation, effectively strengthens the reliability of equipment.
10, pressure charging valve, stirring valve, exhaust-valve use pinch valve, it is to avoid corrosive substance and valve body contact.
Of the present invention such as the processing method of described CODcr liquid waste treatment system, the treating method comprises:
S1, being connected with waste liquid liquid storage tank by waste liquid inlet pipe 4, tap water inlet pipe 3 is connected with running water pipe;
S2, startup automatic running program, described systems inspection warning message and equipment control information, as do not reported to the police
Information and prompting management item, system enters handling process;
S3, unlatching water intaking valve 36, tap water enters regulating reservoir 31 by spray head;
S4, low liquid level sensor 30 set, close water intaking valve 36, and elevator 27 will be located in the ORP sensing in regulating reservoir 31
Device 41 and pH sensor 42 proposes regulating reservoir 31;
S5, startup waste drains pump 35, by waste liquid inlet pipe 4, be quantitatively adding waste liquid in regulating reservoir 31;Determine in regulating reservoir 31
It is 250mL or 500mL or 1000mL that amount adds the amount of liquid of waste liquid;
S6, closedown waste drains pump 35, open water intaking valve 36, working solution level sensor 29 set;
S7, successively execution close water intaking valve 36, open stirring valve 40, booster air pump 39, startup alkali pump 0;
After S8, constant speed add alkaline agent 30s in regulating reservoir 31, drop elevator, ORP sensor 41 is put with PH sensor 42
Under the liquid level of regulating reservoir 31;
In S9, employing PID approach regulation regulating reservoir 31, liquid pH value is to 2, closes alkali pump 10;
S10, startup reducing agent pump 11, in employing PID approach regulation regulating reservoir 31, the oxidation-reduction potential of liquid is extremely
250mv, closes reducing agent pump 11;
S11, it is sufficiently stirred in regulating reservoir 31 after liquid 5min, restarts out alkali pump 10, use PID control method by liquid
The pH value of body is adjusted to 8.5, closes alkali pump 10;
S12, starting vulcanizing agent pump 13, add vulcanizing agent in liquid, vulcanizing agent pump 13 duration of runs is 4min, the most again
It is sufficiently stirred for liquid 5min;
S13, starting deioniser pump 14, add deioniser in liquid, deioniser pump 14 duration of runs is 1min,
It is sufficiently stirred for liquid 5min the most again;
S14, startup flocculation aid pump 12, using PID mode to regulate the pH value of liquid in current regulating reservoir 31 is 7-9;
S15, startup elevator 27, just ORP sensor 41 and PH sensor 42 take out from regulating reservoir 31;
S16, start flocculant pump 15, and ensure that flocculant pump 15 duration of runs is 3min, be sufficiently stirred for the most again
10min;
S17, sequentially execution close air pump 39, valve 40 is stirred in pass, open exhaust-valve 32, the operation of unlatching atmos-valve 37 is carried out
Draining;
S18, judge low liquid level sensor 30 state, and carry out draining timing, particularly as follows:
If the low liquid level sensor of A 30 was triggered in 5 minutes, the most sequentially perform to close exhaust-valve 32, close atmos-valve
37, open air pump 39, the operation of unlatching pressure charging valve 38, after draining 5min, sequentially perform to close air pump 39, close pressure charging valve 38
Operation, completes this liquid waste processing;The system-computed amount of disposing waste liquid, treatment effeciency and process time, and self-inspection maintenance information, meter
The life cycle of each sensor in calculation system, and determine whether warning message, if it is, to alert assembly
Check and change, if it is not, then enter liquid waste processing next time;
If the low liquid level sensor of B 30 is not triggered in 5 minutes, then enters and perform operation;
Described execution operation includes: sequentially perform to close exhaust-valve 32, open air pump 39, the operation of unlatching pressure charging valve 38,
After draining 5min, sequentially perform to close air pump 39, close pressure charging valve 38, the operation of unlatching exhaust-valve 32;
Repeat operation 3 times, in repeating operating process, if low liquid level sensor 30 is triggered, then perform
Close air pump 39, the operation of closedown pressure charging valve 38, complete a liquid waste processing;The system-computed amount of disposing waste liquid, treatment effeciency and
Process time, and self-inspection safeguards information, the life cycle of each sensor send inefficient information in calculating system.
After step 18B further comprising the steps of: after receiving inefficient information, system enter standby shape
State, after unlatching water intaking valve cleaning showers is popped one's head in 30 seconds, turns off water intaking valve, completes the maintenance to system.
Needing plant maintenance, system enters holding state;As low liquid level sensor 30 does not triggers, close air pump 10, pressure charging valve
38, the system-computed amount of disposing waste liquid, efficiency, process the time and information is safeguarded in self-inspection, calculates the sensor life-time cycle, reports fault
Information, system enters holding state.
Explanation to accompanying drawing 7:
1, after system enters and automatically runs, each sensor alarm information and equipment control information are detected, as normally entered
Enter to automatically process state.
2, enter clear water to the set of lower liquid level sensor 30, extract quantitative waste liquid to regulating reservoir 31.
3, clear water is entered to working solution level sensor 29 set.
4, open stirring, add alkali liquor, make in regulating reservoir liquid pH value about 2.
5, adding reducing agent, by hexavalent chrome reduction in waste liquid to trivalent chromium, ORP sensor current potential display current potential is left 250
Right.
6, add alkali liquor, make pH value control 8.5, precipitate the metal ions such as the chromium in waste liquid, silver, hydrargyrum.
7, add vulcanizing agent, remove mercury ion.
8, ion remaval agent, the heavy metal ion removed in liquid are added.
9, add flocculation aid, accelerate sedimentary generation and regulate pH value to 7-9.
10, add flocculant, make the precipitate rapid precipitation in liquid, form floccule body.
11, stirring is closed, the liquid after emission treatment, collect solid matter, process terminates.
By using technique scheme disclosed in this utility model, obtain following beneficial effect:
Being applicable to chromium method COD instrument and produce the process of waste liquid, automatically, treatment effeciency is high, and discharging of waste liquid index is stable, can
Lean on.Used reagent is conventional low cost reagent, and non-hazardous, and processing cost reduces by more than 50%.Formed after process consolidates
State mass volume is little, stable components, it is simple to transport.Software system management plant maintenance information also uses life-span management mode to manage
Sensor, makes equipment life longer, uses safety and reliability.Parameter adjustable, single treatment waste liquid amount is adjustable, and being suitable to many occasions should
With.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should regard protection domain of the present utility model.
Claims (10)
1. a CODcr liquid waste treatment system, it is characterised in that described system include sample introduction dosing unit, waste liquid regulation unit,
Electrical control unit, filter element and control unit;
Described sample introduction dosing unit includes: tap water inlet pipe (3), waste liquid inlet pipe (4), many group reagents device, waste drains pump (35) and
Water intaking valve (36);Tap water inlet pipe (3) is connected with water intaking valve (36) import, water intaking valve (36) outlet and spray in regulating reservoir (31)
Device connects;Waste liquid inlet pipe (4) one end connects with waste liquid pool, and the other end connects with regulating reservoir (31);Many group reagents device all with adjust
Joint pond (31) connection;Many group reagents device, waste drains pump (35), water intaking valve (36) communicate to connect with control unit respectively;
Described waste liquid regulation unit includes: instrument display screen (24), elevator (27), liquid level sensor group, regulating reservoir (31), gas
Pump (39), stirring valve (40), ORP sensor (41) and pH sensor (42);Liquid level sensor group is arranged on described regulating reservoir
(31), in, described ORP sensor (41) and described pH sensor (42) are arranged on the lever arm of described elevator (27) and set
Put the top in described regulating reservoir (31), described ORP sensor (41) and described pH sensor (42) respectively with instrument display screen
(24) connect;Described air pump (39) is connected with described stirring valve (40), and described stirring valve (40) is connected with described regulating reservoir (31);
Described instrument display screen (24), described liquid level sensor group communicate to connect with master control electric plates (25);
Described electrical control unit includes: power interface (1), communication interface (2), touch screen (7), on and off switch (8), acousto-optic report
Alert device (9), master control electric plates (25) and liquid level sensor (16);Described power interface (1) electrically connects with city;By described communication
The connection of interface (2), CODcr liquid waste treatment system and control centre;Described touch screen (7) and described liquid level sensor (16) point
Not communicating to connect with master control electric plates (25), described on and off switch (8), described audible-visual annunciator (9) are respectively with control unit even
Connect;Described liquid level sensor (16) is arranged on the reagent bottle location of described reagent device;
Described filter element includes: the exhaust-valve (32) that sequentially connects, grade one filter (33), secondary filter (17), three grades
Filter (34), floss hole (6), described exhaust-valve (32) also connects with regulating reservoir (31), described grade one filter (33) with
Pressure charging valve (38) is set between described air pump (39).
CODcr liquid waste treatment system the most according to claim 1, it is characterised in that many group reagents device includes 6 group reagent dresses
Put, specially alkali pump (10) and alkali bottle (19) group, reducing agent pump (11) and reducer bottle (18) group, flocculation aid pump (12) and help solidifying
Agent bottle (21) group, vulcanizing agent pump (13) and vulcanizing agent bottle (20) group, deioniser pump (14) and deioniser bottle (22) group, flocculation
Agent pump (15) and flocculant bottle (23) group;
Wherein, alkali pump (10), reducing agent pump (11), flocculation aid pump (12), vulcanizing agent pump (13), deioniser pump (14) and flocculation
Agent pump (15) is connected with control unit respectively;
Vulcanizing agent pump (13), deioniser pump (14), flocculant pump (15) are the 24V peristaltic pump that rotating speed is fixing;Alkali pump (10), also
Former dose of pump (11), flocculation aid pump (12) are the adjustable peristaltic pump of rotating speed.
CODcr liquid waste treatment system the most according to claim 1, it is characterised in that the material of described tap water inlet pipe is resistance to
Corrosion PTFE, described water intaking valve (36) is that the SMC 24V of latus rectum 8mm drives length to close electromagnetic valve.
CODcr liquid waste treatment system the most according to claim 1, it is characterised in that described waste liquid inlet pipe (4) uses fluorubber
Pipe, described waste drains pump (35) is peristaltic pump.
CODcr liquid waste treatment system the most according to claim 1, it is characterised in that described liquid level sensor group includes: high liquid
Level sensor (28), working solution level sensor (29) and low liquid level sensor (30);
Described high level sensor (28), described working solution level sensor (29) and described low liquid level sensor (30) are PP material
The floating ball sensor of matter.
CODcr liquid waste treatment system the most according to claim 1, it is characterised in that described stirring valve (40) is pinch valve,
The fairlead of described stirring valve (40) is connected with regulating reservoir (31) from bottom.
CODcr liquid waste treatment system the most according to claim 1, it is characterised in that described master control electric plates (25) includes
AC D/C power, PLC, digital extended module, simulation expansion module, pump valve panel, signal isolator and air are opened
Close;The output of described air switch supplies to electrically connect with described PLC, described PLC, described digital extended module, institute
State simulation control module to be linked in sequence;
Described AC-DC power supply direct current output 24V respectively with described digital extended module, described simulation expansion module, described pump
The DC supply input of valve panel connects;Described signal isolator outfan and described simulation expansion module analog input end
Mouth connects;The current input terminal 1 of the current output terminal of described simulation expansion module No. 1 and No. 2 and pump valve panel, 2
Number connect one to one;The digital output end 0 to 7 of digital extended module sequentially with the digital input end 1 to 8 one of pump valve panel
One corresponding connection.
CODcr liquid waste treatment system the most according to claim 1, it is characterised in that described exhaust-valve (32) is heavy caliber folder
Pipe valve, is connected with regulating reservoir (31) and grade one filter (33) respectively by flexible pipe.
CODcr liquid waste treatment system the most according to claim 1, it is characterised in that described filter element also includes atmos-valve
(37), described atmos-valve (37) is connected with pressure charging valve (38), grade one filter (33) respectively;
The built-in 300 mesh drainage screens of described grade one filter (33);
The shell of described secondary filter (17) is stainless steel, and inside arranges 5um PP filtration of material core,
The shell of described tertiary filter (34) is stainless steel, and inside arranges PP filtration core, activated carbon and permeable membrane;
The material of described floss hole (6) is rustless steel, built-in fast interface.
CODcr liquid waste treatment system the most according to claim 1, it is characterised in that described CODcr liquid waste treatment system is
Shell structure, described instrument display screen (24), touch screen (7), power interface (1), communication interface (2), on and off switch (8), sound
Light crossing-signal (9), tap water inlet pipe (3) import, the import of waste liquid inlet pipe (4), finder outlet (5) are arranged on described housing knot
On the outer wall of structure;
Wherein, described finder outlet (5) is connected by overflow pipe with the overfall being arranged on described regulating reservoir (31).
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CN201620662410.7U CN205803182U (en) | 2016-06-28 | 2016-06-28 | CODcr liquid waste treatment system |
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CN201620662410.7U CN205803182U (en) | 2016-06-28 | 2016-06-28 | CODcr liquid waste treatment system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105858980A (en) * | 2016-06-28 | 2016-08-17 | 北京环宇宏业科技开发有限公司 | CODcr wastewater treatment system and treatment method thereof |
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2016
- 2016-06-28 CN CN201620662410.7U patent/CN205803182U/en not_active Withdrawn - After Issue
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105858980A (en) * | 2016-06-28 | 2016-08-17 | 北京环宇宏业科技开发有限公司 | CODcr wastewater treatment system and treatment method thereof |
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