CN206502701U - A kind of spent acid processing and the PH automatic monitoring controllers of recovery system - Google Patents
A kind of spent acid processing and the PH automatic monitoring controllers of recovery system Download PDFInfo
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- CN206502701U CN206502701U CN201621099804.2U CN201621099804U CN206502701U CN 206502701 U CN206502701 U CN 206502701U CN 201621099804 U CN201621099804 U CN 201621099804U CN 206502701 U CN206502701 U CN 206502701U
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Abstract
A kind of spent acid processing and the PH automatic monitoring controllers of recovery system, processing recovery system, automaton case and PH meter probes including pickle liquor, control panel, control module and PH value detector are provided with automaton case, display screen and control button are additionally provided with the control panel, three-way connection is provided with pipeline between the filter outlet and valve of the secondary filtration unit bottom, PH meter probes are arranged on the upper pipeline of three-way connection；The utility model has the characteristics of operating efficiency is high, measured value is accurate and simple to operate, energy automatic detection goes out the pH value of reaction solution, and by numerical value by current signal transfer to control module, control module is made to next step and automatically controlled, not only labor strength is reduced, operating efficiency is improved, and test number is accurate accurate, and operating system realizes intellectuality.Stock utilization and treatment effeciency are effectively increased, cost is greatlyd save.
Description
Technical field
The utility model belongs to technical field of sewage, and in particular to a kind of pH automatic monitoring controllers.
Background technology
In the steel production process such as cold-rolled steel sheet, stainless steel, steel alloy, the iron scale of outer surface should be disposed.Mesh
Preceding to use pickling technology substantially except the mode of iron scale, the larger acid solution of concentration carries out pickling processes to steel.By
Concentration sour in pickle reduction after pickling, the content increase of molysite, so that pickling ability can not meet speed of production and matter
What amount was required turns into spent acid liquid, and when to acid pickle processing and recovery, pH value is an important parameter, to the pH value of solution
It is monitored very necessary.
The method of pH value determination is many both at home and abroad at present, mainly there is chemical analysis and test paper method.
Chemical analysis：Refer to add pH indicator in solution to be measured, different indicator are according to different pH value meetings
Change color, the scope of pH value is assured that according to the research of indicator.During titration, accurate pH standards can be made.This side
Method measurement is accurate, but has certain limitation using inconvenience in actual production, and time of measuring is long, is delayed actual production.
Test paper method：PH test paper is used using artificial, pH test paper has extensive test paper and precision test paper, dip in some solution to be measured and arrive
On test paper, then according to the color change of test paper and compare colorimetric card and can also obtain the pH value of solution.The method shortcoming is
Artificial to survey liquid pH value, workman's workload is big, inefficiency, and error is larger, causes measurement result inaccurate.
Utility model content
In order to overcome the problems of the prior art, the technical problems to be solved in the utility model is to provide a kind of work effect
Rate is high, a kind of accurate spent acid of measured value is handled and the pH automatic monitoring controllers of recovery system, and monitoring and controlling can be achieved
Automation, precision, intellectuality.
The technical scheme that the utility model is used to achieve the above object is：A kind of spent acid processing and the pH of recovery system
Automatic monitoring controller, includes processing recovery system, automaton case and the pH meter probe of pickle liquor, the pickling
The processing recovery system of waste liquid includes by-pass filtration unit, reaction member and secondary filtration unit, and acid pickle entrance passes through pipeline
The filter inlet on by-pass filtration unit top is connected to, the filter outlet of by-pass filtration unit bottom is connected to by pipeline
Reaction member upper entrance, the reaction solution outlet of reaction member bottom is connected to secondary filtration list by pipeline through water pump and valve
The filter inlet on first top, the filter outlet of secondary filtration unit bottom is connected to circulating and recovering by pipeline through valve
Mouthful, the system also includes bipolar membrane electrodialysis equipment, and the bipolar membrane electrodialysis equipment includes alkali liquor circulating box, saline solution and circulated
Case, acid cycle case and pole water circulation case, the circulating and recovering mouth are connected to the entrance of saline solution circulating box, the alkali by pipeline
The outlet of liquid circulating box is connected to reaction member upper entrance by pipeline, and the reaction member intracavitary bottom is additionally provided with uniformly
The aeration head of arrangement, the aeration head is connected on the air inlet of reaction member bottom, the air inlet by pipeline and also set up
There is air blower, the outlet of the acid cycle case is connected to pickling lines, the leakage fluid dram connection spent acid of the pickling lines
It is provided with control panel, control module and pH value detector, the control panel and also sets on liquid entrance, automaton case
It is equipped with display screen and control button, the pipeline between the filter outlet and valve of the secondary filtration unit bottom and is provided with
Three-way connection, pH meter probe is arranged on the upper pipeline of three-way connection, and pH meter probe can contact the liquid for flowing through three-way connection
Body, the outlet of the three-way connection is connected to floss hole by pipeline via valve, and described two valves are electric control valve, institute
State pH meter probe to be connected by pH sensor signal wire with the input of pH value detector, the output end of pH value detector and control
Control button on panel processed is electrically connected with the signal input part of control module, display screen on the control panel, two
Electric control valve is electrically connected with the signal output part of control module, and pH value detector is by the pH meter probe derived signals received
Data signal is converted into, the signal input part of control module is reached, as pH >=8, illustrates that reaction is abundant in reaction water tank, spent acid
Fe in liquid2+Precipitate completely, supernatant after filtering is that composition is Na2SO4, control module control valve, by the liquid in pipeline
Body leads to saline solution circulating box, when supernatant 6<pH<When 8, illustrate that reaction is insufficient in reaction water tank, typically in faintly acid, solution
In contain a small amount of unprecipitated Fe2+With a large amount of Na2SO4Solution, at this moment can be discharged into city planting ductwork, meet environmental requirement.
Further, the control module is PLC microprocessors.
Compared with prior art, the utility model has the characteristics of operating efficiency is high, measured value is accurate and simple to operate,
Can automatic detection go out the pH value of reaction solution, and by numerical value by current signal transfer to control module, control module is to next step
Make and automatically controlling, not only labor strength is reduced, operating efficiency is improved, and test number is accurate accurate, operating system
Realize intellectuality.Stock utilization and treatment effeciency are effectively increased, cost is greatlyd save.
Brief description of the drawings
The structural representation of Fig. 1 the utility model automaton case portions point；
Fig. 2 is the structural representation of the utility model pipeline portions；
Fig. 3 is control module principle schematic of the present utility model；
Fig. 4 is the principle schematic that the utility model pickle liquor handles recovery system.
In figure：8 valves one, 9 circulating and recoverings mouth, 19 pH value detectors, 20 valves two, 21 control modules, 22 floss holes,
23 automaton casees, 24 pH meter probes, 25 control panels, 26 display screens, 27 three-way connections, 28 inputs, 29 outputs
End, 30 signal input parts, 31 signal output parts, 32 pH sensor signal wires, 33 control buttons.
Embodiment
1-4 is described in further detail to the utility model below in conjunction with the accompanying drawings, it is noted that embodiment described below
It is intended to be easy to understand of the present utility model, and does not play any restriction effect to it.
Embodiment one：As Figure 1-4, the utility model provides a kind of spent acid processing and the pH of recovery system is monitored automatically
Control device, includes processing recovery system, automaton case 23 and the pH meter probe 24 of pickle liquor, the pickle liquor
Processing recovery system include by-pass filtration unit, reaction member and secondary filtration unit, acid pickle entrance connected by pipeline
To the filter inlet on by-pass filtration unit top, the filter outlet of by-pass filtration unit bottom is connected to reaction by pipeline
Unit upper entrance, the reaction solution outlet of reaction member bottom is connected on secondary filtration unit by pipeline through water pump and valve
The filter inlet in portion, the filter outlet of secondary filtration unit bottom is connected to circulating and recovering mouthful by pipeline through valve 1
9, the system also includes bipolar membrane electrodialysis equipment, and the bipolar membrane electrodialysis equipment includes alkali liquor circulating box, saline solution and circulated
Case, acid cycle case and pole water circulation case, the circulating and recovering mouthful 9 are connected to the entrance of saline solution circulating box by pipeline, described
The outlet of alkali liquor circulating box is connected to reaction member upper entrance by pipeline, and the reaction member intracavitary bottom is additionally provided with
The aeration head of even arrangement, the aeration head is connected on the air inlet of reaction member bottom, the air inlet by pipeline and also set
Air blower is equipped with, the outlet of the acid cycle case is connected to pickling lines, and the leakage fluid dram connection of the pickling lines is useless
Acid solution entrance, it is characterised in that：Control panel 25, control module 21 and pH value detector are provided with automaton case 23
19, display screen 26 and control button 33 are additionally provided with the control panel, and the filter of the secondary filtration unit bottom goes out
Three-way connection 27 is provided with pipeline between mouth and valve 1, pH meter probe 24 is arranged on the upper pipeline of three-way connection 27
On, the outlet of the three-way connection 27 is connected to floss hole 22, the valve 1 and valve two by pipeline via valve 2 20
20 be electric control valve, and the input 28 of the pH meter probe 24 and pH value detector 19 is connected by pH sensor signal wire 32
Connect, signal input part of the control button 33 in the output end 29 and control panel 25 of pH value detector 19 with control module 21
The signal output of display screen 26, valve 1 and valve 2 20 with control module 21 on 30 electrical connections, the control panel 25
End 31 is electrically connected, and the derived signals of pH meter probe 24 received are converted into data signal, reach control mould by pH value detector 19
The signal input part 30 of block 21, as pH=9, illustrates that reaction is abundant in reaction water tank, Fe in acid pickle2+Precipitate completely, warp
Supernatant after filtering is that composition is Na2SO4With a small amount of NaOH, the now control valve 1 of control module 21, by the liquid in pipeline
Body leads to saline solution circulating box, by control module 21, and the display screen 26 on control panel 25 in real time can show current pH value
Come, control module 21 can be transmitted a signal to the control button 33 on manually operated control panel 25 according to actual conditions, and
The operation to valve 1 and valve 2 20 is realized by control module 21；
Further to improve the operating efficiency of the pH automatic monitoring controllers, control module 21 is specially the micro- places of PLC
Manage device.
Embodiment two：As Figure 1-4, the utility model provides a kind of spent acid processing and the pH of recovery system is monitored automatically
Control device, includes processing recovery system, automaton case 23 and the pH meter probe 24 of pickle liquor, the pickle liquor
Processing recovery system include by-pass filtration unit, reaction member and secondary filtration unit, acid pickle entrance connected by pipeline
To the filter inlet on by-pass filtration unit top, the filter outlet of by-pass filtration unit bottom is connected to reaction by pipeline
Unit upper entrance, the reaction solution outlet of reaction member bottom is connected on secondary filtration unit by pipeline through water pump and valve
The filter inlet in portion, the filter outlet of secondary filtration unit bottom is connected to circulating and recovering mouthful by pipeline through valve 1
9, the system also includes bipolar membrane electrodialysis equipment, and the bipolar membrane electrodialysis equipment includes alkali liquor circulating box, saline solution and circulated
Case, acid cycle case and pole water circulation case, the circulating and recovering mouthful 9 are connected to the entrance of saline solution circulating box by pipeline, described
The outlet of alkali liquor circulating box is connected to reaction member upper entrance by pipeline, and the reaction member intracavitary bottom is additionally provided with
The aeration head of even arrangement, the aeration head is connected on the air inlet of reaction member bottom, the air inlet by pipeline and also set
Air blower is equipped with, the outlet of the acid cycle case is connected to pickling lines, and the leakage fluid dram connection of the pickling lines is useless
Acid solution entrance, it is characterised in that：Control panel 25, control module 21 and pH value detector are provided with automaton case 23
19, display screen 26 and control button 33 are additionally provided with the control panel, and the filter of the secondary filtration unit bottom goes out
Three-way connection 27 is provided with pipeline between mouth and valve 1, pH meter probe 24 is arranged on the upper pipeline of three-way connection 27
On, the outlet of the three-way connection 27 is connected to floss hole 22, the valve 1 and valve two by pipeline via valve 2 20
20 be electric control valve, and the input 28 of the pH meter probe 24 and pH value detector 19 is connected by pH sensor signal wire 32
Connect, signal input part of the control button 33 in the output end 29 and control panel 25 of pH value detector 19 with control module 21
The signal output of display screen 26, valve 1 and valve 2 20 with control module 21 on 30 electrical connections, the control panel 25
End 31 is electrically connected, and the derived signals of pH meter probe 24 received are converted into data signal, reach control mould by pH value detector 19
The signal input part 30 of block 21, as pH=8, illustrates that reaction is abundant in reaction water tank, Fe in acid pickle2+Precipitate completely, warp
Supernatant after filtering is that composition is Na2SO4With a small amount of NaOH, the now control valve 1 of control module 21, by the liquid in pipeline
Body leads to saline solution circulating box, by control module 21, and the display screen 26 on control panel 25 in real time can show current pH value
Come, control module 21 can be transmitted a signal to the control button 33 on manually operated control panel 25 according to actual conditions, and
The operation to valve 1 and valve 2 20 is realized by control module 21；
Further to improve the operating efficiency of the pH automatic monitoring controllers, control module 21 is specially the micro- places of PLC
Manage device.
Embodiment three：As Figure 1-4, the utility model provides a kind of spent acid processing and the pH of recovery system is monitored automatically
Control device, includes processing recovery system, automaton case 23 and the pH meter probe 24 of pickle liquor, the pickle liquor
Processing recovery system include by-pass filtration unit, reaction member and secondary filtration unit, acid pickle entrance connected by pipeline
To the filter inlet on by-pass filtration unit top, the filter outlet of by-pass filtration unit bottom is connected to reaction by pipeline
Unit upper entrance, the reaction solution outlet of reaction member bottom is connected on secondary filtration unit by pipeline through water pump and valve
The filter inlet in portion, the filter outlet of secondary filtration unit bottom is connected to circulating and recovering mouthful by pipeline through valve 1
9, the system also includes bipolar membrane electrodialysis equipment, and the bipolar membrane electrodialysis equipment includes alkali liquor circulating box, saline solution and circulated
Case, acid cycle case and pole water circulation case, the circulating and recovering mouthful 9 are connected to the entrance of saline solution circulating box by pipeline, described
The outlet of alkali liquor circulating box is connected to reaction member upper entrance by pipeline, and the reaction member intracavitary bottom is additionally provided with
The aeration head of even arrangement, the aeration head is connected on the air inlet of reaction member bottom, the air inlet by pipeline and also set
Air blower is equipped with, the outlet of the acid cycle case is connected to pickling lines, and the leakage fluid dram connection of the pickling lines is useless
Acid solution entrance, it is characterised in that：Control panel 25, control module 21 and pH value detector are provided with automaton case 23
19, display screen 26 and control button 33 are additionally provided with the control panel, and the filter of the secondary filtration unit bottom goes out
Three-way connection 27 is provided with pipeline between mouth and valve 1, pH meter probe 24 is arranged on the upper pipeline of three-way connection 27
On, the outlet of the three-way connection 27 is connected to floss hole 22, the valve 1 and valve two by pipeline via valve 2 20
20 be electric control valve, and the input 28 of the pH meter probe 24 and pH value detector 19 is connected by pH sensor signal wire 32
Connect, signal input part of the control button 33 in the output end 29 and control panel 25 of pH value detector 19 with control module 21
The signal output of display screen 26, valve 1 and valve 2 20 with control module 21 on 30 electrical connections, the control panel 25
End 31 is electrically connected, and the derived signals of pH meter probe 24 received are converted into data signal, reach control mould by pH value detector 19
The signal input part 30 of block 21, as supernatant pH=7, although in neutrality, but may not precipitated still now in solution containing micro
Fe2+With a large amount of Na2SO4Solution, to prevent Fe2+Into saline solution circulating box, at this moment the control valve 2 20 of control module 21, will be managed
Liquid is discharged into city planting ductwork in road, and meets environmental requirement, and by control module 21, the display screen 26 on control panel 25 can be real
When current pH value is shown, can be with the control button 33 on manually operated control panel 25, by signal according to actual conditions
Transmit to control module 21, and realize by control module 21 operation to valve 1 and valve 2 20；
Further to improve the operating efficiency of the pH automatic monitoring controllers, control module 21 is specially the micro- places of PLC
Manage device.
Embodiment 4：As Figure 1-4, the utility model provides a kind of spent acid processing and the pH of recovery system is monitored automatically
Control device, includes processing recovery system, automaton case 23 and the pH meter probe 24 of pickle liquor, the pickle liquor
Processing recovery system include by-pass filtration unit, reaction member and secondary filtration unit, acid pickle entrance connected by pipeline
To the filter inlet on by-pass filtration unit top, the filter outlet of by-pass filtration unit bottom is connected to reaction by pipeline
Unit upper entrance, the reaction solution outlet of reaction member bottom is connected on secondary filtration unit by pipeline through water pump and valve
The filter inlet in portion, the filter outlet of secondary filtration unit bottom is connected to circulating and recovering mouthful by pipeline through valve 1
9, the system also includes bipolar membrane electrodialysis equipment, and the bipolar membrane electrodialysis equipment includes alkali liquor circulating box, saline solution and circulated
Case, acid cycle case and pole water circulation case, the circulating and recovering mouthful 9 are connected to the entrance of saline solution circulating box by pipeline, described
The outlet of alkali liquor circulating box is connected to reaction member upper entrance by pipeline, and the reaction member intracavitary bottom is additionally provided with
The aeration head of even arrangement, the aeration head is connected on the air inlet of reaction member bottom, the air inlet by pipeline and also set
Air blower is equipped with, the outlet of the acid cycle case is connected to pickling lines, and the leakage fluid dram connection of the pickling lines is useless
Acid solution entrance, it is characterised in that：Control panel 25, control module 21 and pH value detector are provided with automaton case 23
19, display screen 26 and control button 33 are additionally provided with the control panel, and the filter of the secondary filtration unit bottom goes out
Three-way connection 27 is provided with pipeline between mouth and valve 1, pH meter probe 24 is arranged on the upper pipeline of three-way connection 27
On, the outlet of the three-way connection 27 is connected to floss hole 22, the valve 1 and valve two by pipeline via valve 2 20
20 be electric control valve, and the input 28 of the pH meter probe 24 and pH value detector 19 is connected by pH sensor signal wire 32
Connect, signal input part of the control button 33 in the output end 29 and control panel 25 of pH value detector 19 with control module 21
The signal output of display screen 26, valve 1 and valve 2 20 with control module 21 on 30 electrical connections, the control panel 25
End 31 is electrically connected, and the derived signals of pH meter probe 24 received are converted into data signal, reach control mould by pH value detector 19
The signal input part 30 of block 21, as supernatant pH=6, illustrates that reaction is insufficient in reaction water tank, typically in faintly acid, now
Contain a small amount of unprecipitated Fe in solution2+With a large amount of Na2SO4Solution, to prevent Fe2+Into saline solution circulating box, mould is at this moment controlled
The control valve 2 20 of block 21, city planting ductwork is discharged into by liquid in pipeline, and meets environmental requirement, passes through control module 21, control
Display screen 26 on panel 25 in real time can show current pH value, can be with manually operated control panel 25 according to actual conditions
On control button 33, transmit a signal to control module 21, and realize to valve 1 and valve 2 20 by control module 21
Operation；
Further to improve the operating efficiency of the pH automatic monitoring controllers, control module 21 is specially the micro- places of PLC
Manage device.
While there has been shown and described that embodiment of the present utility model, for one of ordinary skill in the art
Speech, it is possible to understand that can these embodiments be carried out with a variety of become in the case where not departing from principle of the present utility model and spirit
Change, change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (2)
1. a kind of processing of spent acid and the PH automatic monitoring controllers of recovery system, including pickle liquor processing recovery system,
Automaton case（23）Count and pop one's head in PH（24）, the processing recovery system of the pickle liquor include by-pass filtration unit,
Reaction member and secondary filtration unit, acid pickle entrance are connected to the filter inlet on by-pass filtration unit top by pipeline,
The filter outlet of by-pass filtration unit bottom is connected to reaction member upper entrance, the reaction of reaction member bottom by pipeline
Liquid exports the filter inlet for being connected to secondary filtration unit top through water pump and valve by pipeline, secondary filtration unit bottom
Filter outlet by pipeline through valve one（8）It is connected to circulating and recovering mouthful（9）, the system is also including bipolar membrane electrodialysis
Equipment, the bipolar membrane electrodialysis equipment includes alkali liquor circulating box, saline solution circulating box, acid cycle case and pole water circulation case, institute
State circulating and recovering mouthful（9）The entrance of saline solution circulating box is connected to by pipeline, the outlet of the alkali liquor circulating box is connected by pipeline
Reaction member upper entrance is connected to, the reaction member intracavitary bottom is additionally provided with evenly distributed aeration head, the aeration head
It is connected to by pipeline on the air inlet of reaction member bottom, the air inlet and is additionally provided with air blower, the acid cycle case
Outlet be connected to pickling lines, the leakage fluid dram connection acid pickle entrance of the pickling lines, it is characterised in that：Automatic control
Device case processed（23）On be provided with control panel（25）, control module（21）And PH value detector（19）, on the control panel
It is additionally provided with display screen（26）And control button（33）, filter outlet and the valve one of the secondary filtration unit bottom（8）
Between pipeline on be provided with three-way connection（27）, PH meter probes（24）It is arranged on three-way connection（27）Upper pipeline on, institute
State three-way connection（27）Outlet by pipeline via valve two（20）It is connected to floss hole（22）, the valve one（8）And valve
Door two（20）It is electric control valve, the PH meters probe（24）With PH value detector（19）Input（28）Sensed by pH value
Device signal wire（32）Connection, PH value detector（19）Output end（29）And control panel（25）On control button（33）With
Control module（21）Signal input part（30）Electrical connection, the control panel（25）On display screen（26）, valve one（8）With
Valve two（20）And control module（21）Signal output part（31）Electrical connection.
2. spent acid processing as claimed in claim 1 and the PH automatic monitoring controllers of recovery system, it is characterised in that：It is described
Control module（21）For PLC microprocessors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099804.2U CN206502701U (en) | 2016-10-01 | 2016-10-01 | A kind of spent acid processing and the PH automatic monitoring controllers of recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099804.2U CN206502701U (en) | 2016-10-01 | 2016-10-01 | A kind of spent acid processing and the PH automatic monitoring controllers of recovery system |
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| Publication Number | Publication Date |
|---|---|
| CN206502701U true CN206502701U (en) | 2017-09-19 |
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ID=59842959
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621099804.2U Expired - Fee Related CN206502701U (en) | 2016-10-01 | 2016-10-01 | A kind of spent acid processing and the PH automatic monitoring controllers of recovery system |
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| Country | Link |
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| CN (1) | CN206502701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430748A (en) * | 2016-10-01 | 2017-02-22 | 辽宁中成永续水工科技有限公司 | Automatic pH monitoring control device of waste acid treatment and recovery system |
-
2016
- 2016-10-01 CN CN201621099804.2U patent/CN206502701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106430748A (en) * | 2016-10-01 | 2017-02-22 | 辽宁中成永续水工科技有限公司 | Automatic pH monitoring control device of waste acid treatment and recovery system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20191001 |
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| CF01 | Termination of patent right due to non-payment of annual fee |