CN216236198U - Coagulant adding device with intelligent control - Google Patents
Coagulant adding device with intelligent control Download PDFInfo
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- CN216236198U CN216236198U CN202122781925.2U CN202122781925U CN216236198U CN 216236198 U CN216236198 U CN 216236198U CN 202122781925 U CN202122781925 U CN 202122781925U CN 216236198 U CN216236198 U CN 216236198U
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Abstract
The utility model discloses a coagulant adding device with intelligent control, which relates to the technical field of water treatment and comprises a adding box and a metering pump, the system comprises a coagulation tank and a flocculation tank, wherein a water inlet pipeline is connected to the left side of the coagulation tank, the water inlet pipeline is communicated with an external sewage tank, the coagulation tank and the flocculation tank are both connected with a dosing pipeline, a metering pump is arranged on the dosing pipeline, a dosing tank is connected to one side of the metering pump through the dosing pipeline, a water outlet of the coagulation tank is communicated with a water inlet of the flocculation tank, a flow current instrument is arranged in the flocculation tank, a water outlet of the flocculation tank is communicated with a water inlet of a sedimentation tank, a water outlet of the sedimentation tank is communicated with an external water outlet pipeline, a turbidity instrument is arranged on the external water outlet pipeline, a variable frequency control cabinet is arranged on the right side of the dosing tank of the coagulation tank, a controller is arranged in the variable frequency control cabinet, and the controller is electrically connected with the metering pump, the flow current instrument and the turbidity instrument of the coagulation tank; the utility model discloses a solve the problem that traditional artifical manual regulation mode can not be accurate throw the coagulant.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to a coagulant adding device with intelligent control.
Background
With the shortage of water resources, the continuous improvement of drainage standards and the improvement of the requirement of China on the reuse ratio of reclaimed water, coagulant addition is more and more widely applied to a plurality of water treatment process units such as water purification, drainage and the like, and particularly used for pretreatment of reuse of reclaimed water by a membrane method, the effect of coagulating sedimentation directly influences the treatment effect of purified water drainage, and the coagulant cannot reach the standard and be discharged and cannot be applied to production processes. The coagulation reaction process is complicated, the dosage of the coagulant is difficult to accurately control by a manual regulation mode, the quality of effluent water cannot reach the standard due to the fact that the dosage of the coagulant is too small, the dosage of the coagulant is excessive, waste is avoided, the operation cost is increased, and meanwhile, the excessive dosage of the coagulant is used as pretreatment of reverse osmosis, the excessive dosage of the coagulant can block the reverse osmosis membrane, the cleaning of a membrane system is increased, the service life of the membrane is reduced, and therefore the accurate dosage of the coagulant is particularly important.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a coagulant adding device with intelligent control, which solves the problem that a traditional manual regulation mode cannot accurately add coagulant.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a coagulant adding device with intelligent control, which comprises a adding box, a metering pump, a coagulation tank and a flocculation tank, the left side of the coagulation tank is connected with a water inlet pipeline which is communicated with an external sewage tank, the coagulation tank and the flocculation tank are both connected with a drug feeding pipeline, the dosing pipelines are all provided with metering pumps, one sides of the metering pumps are all connected with dosing tanks through the dosing pipelines, the water outlet of the coagulation tank is communicated with the water inlet of the flocculation tank, a flow current instrument is arranged in the flocculation tank, the water outlet of the flocculation tank is communicated with the water inlet of the sedimentation tank, the water outlet of the sedimentation tank is communicated with an external water outlet pipeline, a turbidity meter is arranged on the external water outlet pipeline, a variable frequency control cabinet is also arranged on the right side of the dosing tank of the coagulation tank, and a controller is arranged in the variable frequency control cabinet, and the controller is electrically connected with a metering pump, a flow current instrument and a turbidity instrument of the coagulation tank.
Preferably, the top of coagulating basin is equipped with first stirring unit, first stirring unit includes first agitator motor and first stirring leaf, first agitator motor is fixed to be set up on coagulating basin, the one end of first stirring leaf is fixed in first agitator motor's the axis of rotation, and its other end stretches into to coagulating basin in.
Preferably, the top in flocculation basin is equipped with second stirring unit, second stirring unit includes second agitator motor and second stirring leaf, the fixed setting of second agitator motor is on the flocculation basin, the one end of second stirring leaf is fixed in the axis of rotation of second agitator motor, and its other end stretches into in the flocculation basin.
Preferably, the metering pumps are all driven by motors.
Preferably, the controller is a PLC controller.
The utility model has the following beneficial effects:
the utility model discloses a first, the utility model discloses simple structure, the mobile current signal that colloid produced in the water in the flocculation basin is monitored in real time through the mobile current appearance of design, this signal transmission is to the controller in the variable frequency control cabinet, output control signal and then the dosage of the measuring pump of control adjustment flocculation basin after the operation analysis by this controller, this controller judges the accuracy of the dosage of flocculation basin measuring pump through the signal of gathering the turbidity appearance simultaneously, so that in time adjust the dosage, the accurate throwing of coagulant has been realized in whole process, the problem that traditional artifical manual regulation mode can not accurately throw coagulant is solved;
secondly, the selected flow current instrument and turbidity instrument are instruments existing in the market, and the proper instrument installation position is selected, so that real-time monitoring can be realized, the coagulant adding amount can be quickly and automatically adjusted, and the fine management of coagulant adding is realized;
thirdly, this utility model selects for use's flowing current appearance and turbidity appearance are exempts from artifical washing detection sensor, convenient operation to thereby the device is whole owing to realized that accurate throwing throws the coagulant and saved the medicament expense, has avoided throwing the pollution that excessive to follow-up technology caused because of the coagulant simultaneously again.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Labeled as: 1-a dosing tank, 2-a metering pump, 3-a coagulation tank, 4-a flocculation tank, 5-a flow current instrument, 6-a sedimentation tank, 7-a turbidity instrument, 8-a variable frequency control cabinet, 9-a first stirring motor, 10-a second stirring blade, 11-a first stirring motor and 12-a second stirring blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in figure 1, a coagulant adding device with intelligent control comprises a coagulant adding box 1, a metering pump 2, a coagulation tank 3 and a flocculation tank 4, wherein the left side of the coagulation tank 3 is connected with a water inlet pipeline, the water inlet pipeline is communicated with an external sewage tank, the coagulation tank 3 and the flocculation tank 4 are both connected with a coagulant adding pipeline, the coagulant adding pipeline is provided with the metering pump 2, one side of the metering pump 2 is connected with the coagulant adding box 1 through the coagulant adding pipeline, the water outlet of the coagulation tank 3 is communicated with the water inlet of the flocculation tank 4, the flocculation tank 4 is internally provided with a flow current instrument 5, the water outlet of the flocculation tank 4 is communicated with the water inlet of a sedimentation tank 6, the water outlet of the sedimentation tank 6 is communicated with an external water outlet pipeline, the external water outlet pipeline is provided with a turbidity instrument 7, the right side of the coagulant adding box 1 of the coagulation tank 3 is provided with a variable frequency control cabinet 8, and a controller is arranged in the variable frequency control cabinet 8, the controller is electrically connected with the metering pump 2, the flow current meter 5 and the turbidity meter 7 of the coagulation tank 3.
In the embodiment, a flowing current signal generated by colloid in water in the flocculation tank 4 can be monitored in real time through the designed flowing current instrument 5, the flowing current signal monitored by the flowing current instrument 5 is sent to the controller in the variable frequency control cabinet 8, the controller receives the signal and then carries out operation analysis to judge whether the dosing amount of the coagulation tank 3 meets the set dosing amount, if not, a control signal is output to control and adjust the dosing amount of the metering pump 2 of the coagulation tank 3, and when the external sewage to be treated flows into the coagulation tank 3 through a water inlet pipeline, the metering pump 2 of the coagulation tank 3 sucks coagulant in the dosing tank 1 of the coagulation tank 3 to further dose the coagulation tank 3 through the dosing pipeline, and micro-flocs with small particle size are gradually formed in the coagulation tank 3 by micro-particles in the sewage, sewage containing micro-flocs enters a flocculation tank 4 from a water outlet of a coagulation tank 3, a metering pump 2 of the flocculation tank 4 sucks a small amount of flocculant in a dosing tank 1 of the flocculation tank 4 and then doses the flocculant into the flocculation tank 4 through a dosing pipeline, so that the micro-flocs are further flocculated and agglomerated, a flow current signal generated by the monitored colloid in the water is sent to a controller in a variable frequency control cabinet 8 by a flow current instrument 5 arranged in the flocculation tank 4, the controller receives the signal and then carries out operation analysis to judge whether the dosing amount of the coagulation tank 3 before the dosing conforms to a set dosing amount, if the dosing amount does not conform, a control signal is output to control and adjust the dosing amount of the metering pump 2 of the flocculation tank 3, the sewage enters a sedimentation tank 6 through the water outlet of the flocculation tank 4 after being agglomerated in the flocculation tank 4 and is discharged through an external water outlet pipeline after being further processed by the sedimentation tank 6, and a turbidity instrument 7 arranged on the external water outlet pipeline is used for collecting water samples, turbidity appearance 7 sends the water sample information of gathering to the controller, and then further judge the accuracy of the measuring pump 2 dosing of coagulating basin 3, so that in time the adjustment adds the dose, whole process has realized the accurate of coagulant and has added the dose, the problem that traditional artifical manual regulation mode can not accurately add the coagulant is solved, simultaneously because the instrument that exists on the market is to flow current appearance 5 and turbidity appearance 7 for the use, select suitable instrument mounted position, can realize real-time supervision and then quick automatically regulated coagulant's the volume of adding, the fine-grained management of adding the coagulant has been realized, and convenient for operation.
Example 2:
on embodiment 1's basis, the top of coagulating basin 3 is equipped with first stirring unit, first stirring unit includes first agitator motor 9 and first stirring leaf 10, first agitator motor 9 is fixed to be set up on coagulating basin 3, the one end of first stirring leaf 10 is fixed in the axis of rotation of first agitator motor 9, and its other end stretches into in coagulating basin 3, first stirring leaf 10 stirs the coagulation to coagulating basin 3 under the drive of first agitator motor 9.
The top of flocculation basin 4 is equipped with second stirring unit, second stirring unit includes second agitator motor 11 and second stirring leaf 12, second agitator motor 11 is fixed to be set up on flocculation basin 4, the one end of second stirring leaf 12 is fixed in the axis of rotation of second agitator motor 11, and its other end stretches into in the flocculation basin 4, second stirring leaf 12 stirs coagulation to flocculation basin 4 under the drive of second agitator motor 11.
The metering pumps 2 are all driven by motors.
The controller is a PLC controller.
When the intelligent control coagulant adding device is used, when external sewage to be treated flows into a coagulation tank 3 through a water inlet pipeline, a metering pump 2 of the coagulation tank 3 sucks a coagulant in a coagulant adding box 1 of the coagulation tank 3 and then adds the coagulant into the coagulation tank 3 through a coagulant adding pipeline, micro-particles in the sewage gradually form micro-flocs with smaller particle sizes in the coagulation tank 3, the micro-particles in the sewage are more fully reacted with the coagulant under the stirring action of a first stirring unit, the sewage containing the micro-flocs enters a flocculation tank 4 from a water outlet of the coagulation tank 3, the metering pump 2 of the flocculation tank 4 sucks a small amount of flocculant in the coagulant adding box 1 of the flocculation tank 4 and then adds the flocculant into the flocculation tank 4 through the coagulant adding pipeline, the micro-flocs rotate at a high speed under the stirring action of a second stirring unit and are accumulated into clusters, a flow current signal generated by colloid in the water is sent to a controller in a variable frequency control cabinet 8 by a flow current instrument 5 arranged in the flocculation tank 4, the controller receives and carries out operation analysis after this signal and judges whether the charge volume that drops into coagulation basin 3 before accords with the settlement charge volume, if not conform to, then output control signal and then the charge volume of control adjustment coagulation basin 3's measuring pump 2, sewage is in the delivery port entering sedimentation tank 6 of flocculation basin 4 behind 4 flocculation conglobation of flocculation basin, discharge through outside outlet pipe way after the further processing of sedimentation tank 6, turbidity appearance 7 that sets up on outside outlet pipe way is used for water sample collection, turbidity appearance 7 sends the water sample information of gathering to the controller, and then further judge the accuracy of coagulation basin 3's measuring pump 2 charge volume, so that in time adjustment charge volume.
The controller of the utility model can adopt a single chip microcomputer or a PLC controller, and the model of the PLC controller is preferably SM-24R in the embodiment.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (5)
1. A coagulant adding device with intelligent control comprises a coagulant adding box (1), a metering pump (2), a coagulation tank (3) and a flocculation tank (4), and is characterized in that a water inlet pipeline is connected to the left side of the coagulation tank (3), the water inlet pipeline is communicated with an external sewage tank, the coagulation tank (3) and the flocculation tank (4) are both connected with a coagulant adding pipeline, the metering pump (2) is arranged on the coagulant adding pipeline, the coagulant adding box (1) is connected to one side of the metering pump (2) through the coagulant adding pipeline, a water outlet of the coagulation tank (3) is communicated with a water inlet of the flocculation tank (4), a flow current instrument (5) is arranged in the flocculation tank (4), a water outlet of the flocculation tank (4) is communicated with a water inlet of a sedimentation tank (6), a water outlet of the sedimentation tank (6) is communicated with an external water outlet pipeline, and a turbidity instrument (7) is arranged on the external water outlet pipeline, the device is characterized in that a variable frequency control cabinet (8) is arranged on the right side of a dosing box (1) of the coagulation tank (3), a controller is arranged in the variable frequency control cabinet (8), and the controller is electrically connected with a metering pump (2), a flow current meter (5) and a turbidity meter (7) of the coagulation tank (3).
2. The coagulant adding device with intelligent control according to claim 1, wherein a first stirring unit is arranged at the top of the coagulation tank (3), the first stirring unit comprises a first stirring motor (9) and a first stirring blade (10), the first stirring motor (9) is fixedly arranged on the coagulation tank (3), one end of the first stirring blade (10) is fixed on a rotating shaft of the first stirring motor (9), and the other end of the first stirring blade extends into the coagulation tank (3).
3. The intelligent control coagulant adding device according to claim 1, wherein a second stirring unit is arranged at the top of the flocculation tank (4), the second stirring unit comprises a second stirring motor (11) and a second stirring blade (12), the second stirring motor (11) is fixedly arranged on the flocculation tank (4), one end of the second stirring blade (12) is fixed on a rotating shaft of the second stirring motor (11), and the other end of the second stirring blade extends into the flocculation tank (4).
4. The coagulant adding device with intelligent control according to claim 1, characterized in that the metering pumps (2) are all driven by a motor.
5. The intelligent coagulant adding device according to claim 1, wherein the controller is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122781925.2U CN216236198U (en) | 2021-11-11 | 2021-11-11 | Coagulant adding device with intelligent control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122781925.2U CN216236198U (en) | 2021-11-11 | 2021-11-11 | Coagulant adding device with intelligent control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216236198U true CN216236198U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122781925.2U Active CN216236198U (en) | 2021-11-11 | 2021-11-11 | Coagulant adding device with intelligent control |
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|---|---|
| CN (1) | CN216236198U (en) |
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2021
- 2021-11-11 CN CN202122781925.2U patent/CN216236198U/en active Active
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