CN207562408U - A kind of two level sedimentation device of automatic addition flocculant - Google Patents
A kind of two level sedimentation device of automatic addition flocculant Download PDFInfo
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- CN207562408U CN207562408U CN201721613426.XU CN201721613426U CN207562408U CN 207562408 U CN207562408 U CN 207562408U CN 201721613426 U CN201721613426 U CN 201721613426U CN 207562408 U CN207562408 U CN 207562408U
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- flocculant
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Abstract
The utility model discloses a kind of two level sedimentation device of automatic addition flocculant, it is characterised in that：Setting is linked in sequence there are two subsider, the overflow ditch (21) of first subsider (2A) connects the water inlet of the second subsider (2B), each subsider is both provided with flocculant and adds equipment automatically, for adjusting flocculant additive amount in real time.Advantageous effect：The sequential organization of front and back stages sedimentation, and the equipment that automatic addition flocculant is both provided with per level-one, the eduction rate of sedimentation device is not only greatly improved, the liquid after sedimentation is also removed into more impurity, enable extraction with to other purposes, save great lot of water resources and production cost；Flocculant adds in subsider by adding equipment control automatically, and production process is realized automatically, is reduced human cost, and flocculant adds equipment precision higher automatically, is adapted to different sedimentation situations and control in real time, also save the waste of flocculant.
Description
Technical field
The utility model is related to the device fields of the subsider addition flocculant in industrial production, specifically, are related to one
The two level sedimentation device of the automatic addition flocculant of kind.
Background technology
The method for adding flocculant into subsider in manufacturing enterprise has nothing but following mode：It is examined according to manual sampling
Solids proportion in work water in the overflow ditch of survey subsider, manually according to this data, rule of thumb adds to subsider and wads a quilt with cotton
Solidifying agent；Or flocculant is mixed with certain water with a storage tank, it is transported to inside subsider with a pump is quantitative, foundation
Manual analysis data, then come the aperture that manually adjusts pump discharge valve.
Since artificial data analytical cycle is long, that manually adds is extensive, therefore is not to cause flocculant addition excessive and unrestrained
Take, be exactly put into very little requirement that technic index is not achieved, influence postorder production.
Meanwhile the degree for isolating substance needed for whole is often not achieved in single subsider in infall process, then causes
The substance a being precipitated part is needed to continue to be blended in process water, substance is wasted needed for one side, and another aspect process water contains
There is magazine that cannot be secondary use.
Utility model content
The purpose of this utility model is to provide a kind of two level sedimentation device of automatic addition flocculant, becomes sedimentation device
The sequential organization of front and back stages sedimentation, and the automatic equipment for adding flocculant is both provided with per level-one, it not only greatly improves in this way
Liquid after sedimentation is also removed more impurity by the eduction rate of sedimentation device, is enabled extraction with to other purposes, is saved
Great lot of water resources and production cost.
In order to achieve the above objectives, the specific technical solution that the utility model uses is as follows：
A kind of two level sedimentation device of automatic addition flocculant, setting are linked in sequence there are two subsider, the first subsider
Overflow ditch connect the second subsider water inlet, each subsider is both provided with flocculant and adds equipment automatically, for real-time
Adjust flocculant additive amount.
By above-mentioned design, the process water after the first subsider precipitation substance enters the second subsider through overflow ditch and carries out two
The content not being precipitated completely is settled the sedimentation capacity for once, substantially increasing sedimentation device, and secondary precipitation by secondary sedimentation again
Technique water impurity afterwards is extremely low, and can the extraction of these water be applied to the substance for elsewhere, making precipitation and waste water can obtain
It utilizes, greatly reduces the cost of production；
Meanwhile flocculant adds in subsider by adding equipment control automatically, production process is realized automatically, reduces manpower
Cost, and flocculant adds equipment precision higher automatically, adapts to different sedimentation situations and controls in real time, also saves the wave of flocculant
Take.
Further describe, the flocculant add automatically equipment be divided into the first flocculant add automatically device A and second wadding
Equipment B is added in solidifying agent automatically, and two flocculants add the flocculant storage tank that equipment is all connected with storage flocculant automatically；
First flocculant adds device A automatically and the second flocculant adds equipment B and includes automatically：
Flocculant pumps, for adding flocculant to subsider, the input port connection flocculant storage tank of the flocculant pump
Delivery outlet, all flocculant pumps all provide flocculant by same flocculant storage tank；
PID frequency converters control the working frequency of flocculant pump, the control output end connection wadding of the PID frequency converters in real time
The control terminal of setting agent pump；
AIT, i.e., online turbidity analyser, for detecting the turbidity of liquid in subsider overflow ditch, Real-time Feedback to PID
Frequency converter, the control signal of the output terminal connection PID frequency converters of AIT；
Wherein, the first flocculant adds the flocculant of delivery outlet the first subsider of connection of the flocculant pump of device A automatically
Adding mouth, the second flocculant add the flocculant adding mouth of delivery outlet the second subsider of connection of the flocculant pump of equipment B automatically；
First flocculant adds the test side of the AIT of device A towards the overflow ditch of the first subsider, the second flocculant automatically
The overflow ditch of test side the second subsider of direction of the AIT of automatic addition equipment B.
By above-mentioned design, flocculant adds equipment and carries out turbidity reality to the liquid of subsider overflow ditch by AIT automatically
When detect, and turbidity value is sent to PID frequency converters, carried out according to numerical values recited corresponding changing flocculant pump by PID frequency converters
Working frequency, realize the quantitative addition of flocculant, meanwhile, PID frequency converters can also stir subsider according to output variable
It mixes device and carries out corresponding mixing speed control, flocculant and liquid is made more fully to be mixed, increase utilization ratio.
It is further described, the realization circuit that the flocculant adds equipment automatically is：The three-phase of the PID frequency converters is defeated
Enter to hold string formation to connect power supply after meeting threephase switch QF, the three-phase output end string formation of the PID frequency converters connects main circuit electrothermal relay
The three phase electric machine input terminal group of flocculant pump, the ground terminal ground connection of the three phase electric machine are connected after FR, the PID frequency converters connect
Ground terminal is grounded.
One end of the turbidity lower limiting value normally-closed contact NC of the AIT connects power supply after concatenating first total lock QF1 first switches
L1, the other end are sequentially connected in series turbidity upper limit value normally opened contact NO, intermediate relay KA coils, the control circuit electrothermal relay of AIT
Zero curve N is accessed after FR, first total lock QF1 second switches；
The turbidity upper limit value normally opened contact NO both ends of the AIT are also respectively connected with the first normal open switch of intermediate relay KA
Both ends, the second normal open switch of intermediate relay KA both ends connection positive control terminal FWD of PID frequency converters and common end COM；
The signal output end OUT+ of the signal input part IN connections AIT of the PID frequency converters, the PID frequency converters connect
The power input string formation of the signal output end OUT-, the AIT of ground terminal GND connections AIT are respectively connected to after meeting second total lock QF2
Power supply L1 and zero curve N.
By above-mentioned design, when the liquid turbidity in subsider overflow ditch reaches upper limit value, i.e., the turbidity of process water has been
Through reaching under preset cloudiness, sedimentation device needs to carry out flocculating setting work, and the turbidity upper limit value of AIT is normal at this time
Contact NO closures are opened, then intermediate relay KA coils are connected, the first normal open switch and the second normal open switch of intermediate relay KA
Respective closed, PID frequency converters are started to work, the motor operating of control flocculant pump；
When the liquid turbidity in subsider overflow ditch reaches lower limiting value, i.e. the turbidity of process water, which has reached, to be preset
It is limpid in the case of, sedimentation device no longer need carry out flocculating setting, at this time AIT turbidity lower limiting value normally-closed contact NC disconnect,
Then intermediate relay KA coil losing electricities, the first normal open switch and the second normal open switch of intermediate relay KA accordingly disconnect, and PID becomes
Frequency device is stopped, and the motor of flocculant pump also powers off stopping.
It is further described, the feedback control circuit of the PID frequency converters is setting comparison module and PID adjustment modules；
The comparison module is used for the size of measured value for comparing inner setting value and AIT is exported in real time, so as to calculate
The working frequency of flocculant pump, the output terminal of the input terminal connection AIT of the comparison module, the output terminal of the comparison module connect
Connect the input terminal of PID adjustment modules；
The PID adjustment modules control the output power of flocculant pump according to the result of calculation of comparison module, so as to adjust
The working frequency of flocculant pump, the control terminal of the output terminal connection flocculant pump of the PID adjustment modules.
The beneficial effects of the utility model：The sequential organization of front and back stages sedimentation, and it is both provided with automatic addition per level-one
The equipment of flocculant not only greatly improves the eduction rate of sedimentation device, the liquid after sedimentation also is removed more impurity, is made it
Enough extractions have saved great lot of water resources and production cost with to other purposes；Flocculant is added in by adding equipment control automatically
Subsider, production process are realized automatically, are reduced human cost, and flocculant adds equipment precision higher automatically, are adapted to not
It is controlled in real time with sedimentation situation, also saves the waste of flocculant.
Description of the drawings
Fig. 1 is the structure diagram of the utility model
Fig. 2 is the circuit design drawing of the utility model
Fig. 3 is the fundamental diagram of PID frequency converters
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail the utility model：
As shown in Figure 1, a kind of two level sedimentation device of automatic addition flocculant, it is characterised in that：There are two settle for setting
Slot is linked in sequence, and the overflow ditch 21 of the first subsider 2A connects the water inlet of the second subsider 2B, and each subsider is both provided with
Flocculant adds equipment automatically, for adjusting flocculant additive amount in real time；
The flocculant adds equipment and is divided into that the first flocculant adds device A automatically and the second flocculant adds automatically automatically
Equipment B, two flocculants add the flocculant storage tank 3 that equipment is all connected with storage flocculant automatically；
First flocculant adds device A automatically and the second flocculant adds equipment B and includes automatically：
Flocculant pumps, for adding flocculant to subsider, the input port connection flocculant storage tank 3 of the flocculant pump
Delivery outlet, all flocculant pumps all provide flocculant by same flocculant storage tank 3；
PID frequency converters control the working frequency of flocculant pump, the control output end connection wadding of the PID frequency converters in real time
The control terminal of setting agent pump；
AIT, i.e., online turbidity analyser, for detecting the turbidity of liquid in subsider overflow ditch 21, Real-time Feedback is extremely
PID frequency converters, the control signal of the output terminal connection PID frequency converters of AIT；
Wherein, the first flocculant adds the wadding of the first subsider 2A of delivery outlet connection of the flocculant pump 1A of device A automatically
Solidifying agent adding mouth, the second flocculant add the flocculation of the second subsider 2B of delivery outlet connection of the flocculant pump 1B of equipment B automatically
Agent adding mouth；
First flocculant adds the overflow ditch 21 of test side the first subsider 2A of direction of the AIT 4A of device A automatically, the
Two flocculants add the test side of the AIT 4B of equipment B towards the overflow ditch of the second subsider 2B automatically.
As shown in Fig. 2, the circuit of the utility model is realized meets threephase switch QF by the three-phase input end string formation of PID frequency converters
After connect power supply, the three-phase output end string formations of the PID frequency converters meets three of connection flocculant pump after main circuit electrothermal relay FR
Phase input end of motor group, the ground terminal ground connection of the three phase electric machine, the ground terminal ground connection of the PID frequency converters.
One end of the turbidity lower limiting value normally-closed contact NC of the AIT connects power supply after concatenating first total lock QF1 first switches
L1, the other end are sequentially connected in series turbidity upper limit value normally opened contact NO, intermediate relay KA coils, the control circuit electrothermal relay of AIT
Zero curve N is accessed after FR, first total lock QF1 second switches；
The turbidity upper limit value normally opened contact NO both ends of the AIT are also respectively connected with the first normal open switch of intermediate relay KA
Both ends, the second normal open switch of intermediate relay KA both ends connection positive control terminal FWD of PID frequency converters and common end COM；
The signal output end OUT+ of the signal input part IN connections AIT of the PID frequency converters, the PID frequency converters connect
The power input string formation of the signal output end OUT-, the AIT of ground terminal GND connections AIT are respectively connected to after meeting second total lock QF2
Power supply L1 and zero curve N.
Preferably, the PID frequency converters are provided with comparison module and PID adjustment modules, as shown in Figure 3；
The comparison module is used for the size of measured value for comparing inner setting value and AIT is exported in real time, so as to calculate
The working frequency of flocculant pump, the output terminal of the input terminal connection AIT of the comparison module, the output terminal of the comparison module connect
Connect the input terminal of PID adjustment modules；
The PID adjustment modules control the output power of flocculant pump according to the result of calculation of comparison module, so as to adjust
The working frequency of flocculant pump, the control terminal of the output terminal connection flocculant pump of the PID adjustment modules.
The operation principle of the utility model：
When the turbidity of process water reaches preset cloudiness, i.e. liquid turbidity in subsider overflow ditch reaches
During limit value, sedimentation device needs to carry out flocculating setting work, and the turbidity upper limit value normally opened contact NO of AIT is closed at this time, then intermediate
Relay KA coils are connected, and the first normal open switch of intermediate relay KA and the second normal open switch respective closed, PID frequency converters are opened
Beginning work, the motor operating of control flocculant pump；
The size of measured value that the comparison module of PID frequency converters compares inner setting value and AIT is exported in real time, calculates wadding
The working frequency of setting agent pump, and result of calculation is sent to PID adjustment modules, PID adjustment modules are further according to the meter of comparison module
The output power of output control flocculant pump is calculated, so as to adjust the working frequency of flocculant pump, realizes the real-time change of flocculant
Additive amount.
When the turbidity of process water reaches preset limpid situation, i.e., under the liquid turbidity in subsider overflow ditch reaches
During limit value, sedimentation device no longer needs to carry out flocculating setting, and the turbidity lower limiting value normally-closed contact NC of AIT is disconnected at this time, then intermediate
Relay KA coil losing electricities, the first normal open switch and the second normal open switch of intermediate relay KA accordingly disconnect, and PID frequency converters stop
It only works, the motor of flocculant pump also powers off stopping.
Claims (5)
1. a kind of two level sedimentation device of automatic addition flocculant, it is characterised in that：Setting is linked in sequence there are two subsider, the
The overflow ditch (21) of one subsider (2A) connects the water inlet of the second subsider (2B), and the first subsider (2A) is provided with the first wadding
Device A is added in solidifying agent automatically, and the second subsider (2B) is provided with the second flocculant and adds equipment B, first flocculant automatically
Automatic addition device A and the second flocculant add equipment B for adjusting flocculant additive amount in real time automatically.
2. a kind of two level sedimentation device of automatic addition flocculant according to claim 1, it is characterised in that：Described first
Flocculant adds device A automatically and the second flocculant adds the flocculant storage tank (3) that equipment B is all connected with storage flocculant automatically；
First flocculant adds device A automatically and the second flocculant adds equipment B and includes automatically：
Flocculant pumps, and for adding flocculant to subsider, the input port of the flocculant pump connects the defeated of flocculant storage tank (3)
Outlet, all flocculant pumps all provide flocculant by same flocculant storage tank (3)；
PID frequency converters control the working frequency of flocculant pump, the control output end connection flocculant of the PID frequency converters in real time
The control terminal of pump；
AIT, i.e., online turbidity analyser, for detecting the turbidity of liquid in subsider overflow ditch (21), Real-time Feedback to PID
Frequency converter, the control signal of the output terminal connection PID frequency converters of AIT；
Wherein, the first flocculant adds the wadding of delivery outlet the first subsider of connection (2A) of the flocculant pump (1A) of device A automatically
Solidifying agent adding mouth, the delivery outlet that the second flocculant adds the flocculant pump (1B) of equipment B automatically connect the second subsider (2B)
Flocculant adding mouth；
First flocculant adds the overflow ditch (21) of test side the first subsider of direction (2A) of the AIT (4A) of device A automatically, the
Two flocculants add the test side of the AIT (4B) of equipment B towards the overflow ditch of the second subsider (2B) automatically.
3. a kind of two level sedimentation device of automatic addition flocculant according to claim 2, it is characterised in that：The PID
The three-phase input end string formation of frequency converter connects power supply after meeting threephase switch QF, and the three-phase output end string formation of the PID frequency converters connects
The three phase electric machine input terminal group of flocculant pump, the ground terminal ground connection of the three phase electric machine, institute are connected after main circuit electrothermal relay FR
State the ground terminal ground connection of PID frequency converters.
4. a kind of two level sedimentation device of automatic addition flocculant according to claim 3, it is characterised in that：The AIT
Turbidity lower limiting value normally-closed contact NC one end concatenate first total lock QF1 first switches after connect power supply L1, the other end goes here and there successively
Meet turbidity upper limit value normally opened contact NO, intermediate relay KA coils, control circuit electrothermal relay FR, the first total lock QF1 of AIT
Access zero curve N after two switches；
The turbidity upper limit value normally opened contact NO both ends of the AIT are also respectively connected with the two of the first normal open switch of intermediate relay KA
End, the second normal open switch of intermediate relay KA both ends connection positive control terminal FWD of PID frequency converters and common end COM；
The signal output end OUT+ of the signal input part IN connections AIT of the PID frequency converters, the ground terminal of the PID frequency converters
The power input string formation of the signal output end OUT-, the AIT of GND connections AIT are respectively connected to power supply after meeting second total lock QF2
L1 and zero curve N.
5. a kind of two level sedimentation device of automatic addition flocculant according to claim 2, it is characterised in that：The PID
Frequency converter is provided with comparison module and PID adjustment modules；
The comparison module is used for the size of measured value for comparing inner setting value and AIT is exported in real time, so as to calculate flocculation
The working frequency of agent pump, the output terminal of the input terminal connection AIT of the comparison module, the output terminal connection of the comparison module
The input terminal of PID adjustment modules；
The PID adjustment modules control the output power of flocculant pump according to the result of calculation of comparison module, so as to adjust flocculation
The working frequency of agent pump, the control terminal of the output terminal connection flocculant pump of the PID adjustment modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613426.XU CN207562408U (en) | 2017-11-28 | 2017-11-28 | A kind of two level sedimentation device of automatic addition flocculant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721613426.XU CN207562408U (en) | 2017-11-28 | 2017-11-28 | A kind of two level sedimentation device of automatic addition flocculant |
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| CN207562408U true CN207562408U (en) | 2018-07-03 |
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| CN201721613426.XU Active CN207562408U (en) | 2017-11-28 | 2017-11-28 | A kind of two level sedimentation device of automatic addition flocculant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841343A (en) * | 2019-11-06 | 2020-02-28 | 华电电力科学研究院有限公司 | Full-automatic operation control system and control method for mechanical acceleration clarification tank |
| CN111646556A (en) * | 2020-08-07 | 2020-09-11 | 天津速一腾高新技术有限公司 | Sewage purification equipment and sewage purification method |
-
2017
- 2017-11-28 CN CN201721613426.XU patent/CN207562408U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110841343A (en) * | 2019-11-06 | 2020-02-28 | 华电电力科学研究院有限公司 | Full-automatic operation control system and control method for mechanical acceleration clarification tank |
| CN111646556A (en) * | 2020-08-07 | 2020-09-11 | 天津速一腾高新技术有限公司 | Sewage purification equipment and sewage purification method |
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