CN209606832U - A kind of pH value automatic control system - Google Patents
A kind of pH value automatic control system Download PDFInfo
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- CN209606832U CN209606832U CN201920317921.9U CN201920317921U CN209606832U CN 209606832 U CN209606832 U CN 209606832U CN 201920317921 U CN201920317921 U CN 201920317921U CN 209606832 U CN209606832 U CN 209606832U
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- control system
- sampling
- detection
- detection module
- conditioning tank
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Abstract
The utility model provides a kind of pH value automatic control system, including PH conditioning tank and PLC control system;The PLC control system includes control module and detection module;Agitating device, chemicals dosing plant, sampling apparatus are provided in the PH conditioning tank;The agitating device includes blender and the motor for driving blender;The sampling apparatus includes sample can, is provided on sample can at least two thief hatch positioned at different height, each thief hatch is connected to from the different sampling pipes being arranged in sampling tank respectively, the detection module includes at least one detection case, detection device is provided in each detection case, the end of each sampling pipe is connected to the detection case respectively;Return pipe is additionally provided on each detection case, the return pipe is connected to PH conditioning tank.The utility model structure is simple, can accurately detect pH value in conditioning tank at different location, substantially increases detection accuracy.
Description
Technical field
The utility model relates to a kind of water treatment system, specifically a kind of pH value automatic control system.
Background technique
Present desulphurization denitration tower will carry out desulphurization denitration by spray alkalescent water, and post-job water can be in acidity, should
Acid water enters reaction tank after flowing into out of tower, alkaline matter neutralization is put into reaction tank, adjusting becomes neutral water or weak
Alkaline water, into tower in carry out secondary spraying desulphurization denitration operation again, so recycle.
Utility model content
The purpose of the utility model is to provide a kind of pH value automatic control systems, to solve existing water treatment system processing not
Accurate problem.
The utility model is realized in this way: a kind of pH value automatic control system, wherein controlled including PH conditioning tank and PLC
System processed;The PLC control system includes control module and detection module;Be provided in the PH conditioning tank agitating device,
Chemicals dosing plant, sampling apparatus;The agitating device includes blender and the motor for driving blender;
The sampling apparatus includes sample can, is provided on sample can at least two thief hatch positioned at different height,
Each thief hatch is connected to from the different sampling pipes being arranged in sampling tank respectively,
The detection module includes at least one detection case, and detection device, each sampling are provided in each detection case
The end of pipe is connected to the detection case respectively;Be additionally provided with return pipe on each detection case, the return pipe with adopt
The connection of sample tank.
Preferably, the detection module include metal ion detection module, inorganic salts detection module, pH value detection module,
Measurement of oxygen content module.Solid suspension detection module;
Preferably, Unidirectional solenoid valve is provided on the return pipe.
Preferably, sampling pump, the sampling pump and the control module signal are provided on each sampling pipe
Connection.
Preferably, the outside of the PH conditioning tank is provided with spill box, the spill box passes through with the PH conditioning tank
Pipeline connection.
It preferably, further include control panel.
By adopting the above technical scheme, the utility model structure is simple, can accurately detect in conditioning tank at different location
PH value substantially increases detection accuracy.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1-PH conditioning tank, 2-PLC control systems, 3-sample cans, 4-thief hatch, 5-sampling pipes, 6-detections
Case, 7-return pipes, 8-Unidirectional solenoid valves, 9-sampling pumps, 10-spill boxes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only the section Example of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the utility model provides a kind of pH value automatic control system, including PH conditioning tank 1 and PLC control
System 2.PLC control system 2 includes control module and detection module, and agitating device, dosing dress are provided in PH conditioning tank 1
It sets, sampling apparatus.Agitating device includes blender and the motor for driving blender.Liquid carried out in conditioning tank dosing come in and
Acidic materials in water, agitating device are stirred liquid, promote liquid flowing, shorten and neutralize the time.
The sampling apparatus of the utility model includes sample can 3, is provided at least two positioned at different height on sample can 3
A thief hatch 4 is provided with 3 thief hatch in the present embodiment.Each thief hatch 4 is intracorporal not in 3 tank of sample can with setting respectively
It is connected to sampling pipe 5.
Detection module includes at least one detection case 6, and detection device, detection device number are provided in each detection case 6
Amount is consistent with sampling pipe quantity, and each detection device is used to detect the liquid sample in each sampling pipe 5, the end point of sampling pipe
It is not connected to detection case 6;Be additionally provided with return pipe on each detection case 6, and converge for one must return pipe 7, return pipe 7 with
PH conditioning tank 1 is connected to, and Unidirectional solenoid valve 8 is provided on return pipe 7.Return pipe will test after liquid reflux to conditioning tank
In, and liquid reflux is prevented, and detection case can be allow to inject new liquid at any time and detected, it can also be to avoid sample liquid
Arbitrarily discharge polluted source.
The detection module of the utility model include metal ion detection module, inorganic salts detection module, pH value detection module,
Measurement of oxygen content module.Solid suspension detection module.
Sampling pump 9 is provided on each sampling pipe, sampling pump 9 is connect with control module signal.
Spill box 10, spill box and PH conditioning tank are provided with by pipeline connection in the outside of PH conditioning tank 1, and it is extra to receive
Overflow liquid.
The PLC control system of the utility model further includes control panel.
Claims (6)
1. a kind of pH value automatic control system, characterized in that including PH conditioning tank and PLC control system;The PLC control system
Including control module and detection module;Agitating device, chemicals dosing plant, sampling apparatus are provided in the PH conditioning tank;It is described
Agitating device includes blender and the motor for driving blender;
The sampling apparatus includes sample can, is provided on sample can at least two thief hatch positioned at different height, each
Thief hatch is connected to from the different sampling pipes being arranged in sampling tank respectively,
The detection module includes at least one detection case, and detection device is provided in each detection case, each sampling pipe
End is connected to the detection case respectively;Return pipe is additionally provided on each detection case, the return pipe and PH are adjusted
Pond connection.
2. a kind of pH value automatic control system according to claim 1, characterized in that the detection module include metal from
Sub- detection module, inorganic salts detection module, pH value detection module, measurement of oxygen content module, solid suspension detection module.
3. a kind of pH value automatic control system according to claim 1, characterized in that be provided with list on the return pipe
To solenoid valve.
4. a kind of pH value automatic control system according to claim 1, characterized in that be all provided on each sampling pipe
It is equipped with sampling pump, the sampling pump is connect with the control module signal.
5. a kind of pH value automatic control system according to claim 1, characterized in that set in the outside of the PH conditioning tank
It is equipped with spill box, the spill box and the PH conditioning tank pass through pipeline connection.
6. a kind of pH value automatic control system according to claim 1, characterized in that further include control panel.
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CN201920317921.9U CN209606832U (en) | 2019-03-13 | 2019-03-13 | A kind of pH value automatic control system |
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CN201920317921.9U CN209606832U (en) | 2019-03-13 | 2019-03-13 | A kind of pH value automatic control system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115015511A (en) * | 2022-06-28 | 2022-09-06 | 中化珠海石化储运有限公司 | Rainwater discharge online detection system and rainwater classified discharge method with same |
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2019
- 2019-03-13 CN CN201920317921.9U patent/CN209606832U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115015511A (en) * | 2022-06-28 | 2022-09-06 | 中化珠海石化储运有限公司 | Rainwater discharge online detection system and rainwater classified discharge method with same |
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