CN209624537U - A kind of pH value of absorption column measuring device - Google Patents
A kind of pH value of absorption column measuring device Download PDFInfo
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- CN209624537U CN209624537U CN201920162652.3U CN201920162652U CN209624537U CN 209624537 U CN209624537 U CN 209624537U CN 201920162652 U CN201920162652 U CN 201920162652U CN 209624537 U CN209624537 U CN 209624537U
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Abstract
The utility model discloses a kind of pH value of absorption column measuring devices, belong to flue gas desulphurization system technical field.A kind of pH value of absorption column measuring device of the utility model, including absorption tower, absorb the bottom of the tower is equipped with the first serum recycle pipe and the second serum recycle pipe, the first slurry circulating pump and the second slurry circulating pump are separately installed on first serum recycle pipe and the second serum recycle pipe, first slurry circulating pump and the second slurry circulating pump exit respectively draw a pipeline and are connected with measurement main pipe, the end of measurement main pipe is connected with surge tank, and pH meter is provided on surge tank.Big, deficiency easy to wear of popping one's head in that the purpose of the utility model is to overcome the energy consumptions of existing absorption tower pH measuring device, provide a kind of pH value of absorption column measuring device, the apparatus structure is simple, it can effectively reduce absorption tower slurries and corrasion washed away to pH meter, improve the service life of pH meter, and do not need to be additionally provided power source, good energy-saving effect can be played.
Description
Technical field
The utility model relates to coal steam-electric plant smoke Wet Flue Gas Desulfurization Technique fields, more specifically to a kind of absorption tower pH
Value measurement mechanism.
Background technique
Desulfurization technology can be divided into wet process by the dry and wet state of absorbent and desulfurization product in sweetening process again, done by desulfurization
Method and half-dried (semi-moist) method.Using wet desulphurization, wet FGD technology is with containing absorbent for major part thermal power plant at present
Solution or slurries desulfurization and processing desulfurization product under wet condition, this method is fast with desulphurization reaction speed, equipment is simple, desulfurization
The advantages that high-efficient, but generally existing seriously corroded, operation and maintenance cost are high and easily cause secondary pollution problems.It is de- in wet process
In sulphur system, pH value is important control parameter, pH value directly influence the desulfuration efficiency of desulphurization system, lime stone dissolution,
The oxidation of sulphite, the crystallization of gypsum and corrosion of desulphurization system etc..
There are many kinds of conventional wet pH value of absorption column measuring devices, is such as pumped using absorption tower special measurement, or in gypsum
Measuring device etc. is installed, but these measuring devices are visited in the presence of big, not energy-efficient, pH measuring device is invested on slurries pump circulation pipeline
The problems such as easy to wear is existing so how to overcome the shortcomings of that existing absorption tower pH measuring device energy consumption is big, probe is easy to wear
The technical problem of urgent need to resolve in technology.
For the improvement of existing pH value of absorption column measuring device, existing related art scheme is disclosed, such as number of patent application:
2017214431863, the applying date: on November 02nd, 2017, invention and created name are as follows: desulphurization system absorption tower pH measuring device,
This application discloses a kind of desulphurization system absorption tower pH measuring device, including absorption tower, two pH meter probes being arranged in series,
Two slurry circulating pumps are arranged in flushing valve and overflow valve, absorption tower side, and punching is arranged between pH meter probe and slurry circulating pump
Valve is washed, overflow valve is arranged in absorption tower upper end.This application directly draws absorption tower slurries from two serum recycle pump discharges, can
Good energy-saving effect is played, still, slurry flow rate is very fast, and pH meter probe is easy to wear.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Utility model content
1. utility model technical problems to be solved
Big, deficiency easy to wear of popping one's head in that the purpose of the utility model is to overcome the energy consumptions of existing absorption tower pH measuring device,
A kind of pH value of absorption column measuring device is provided, the apparatus structure is simple, can effectively reduce absorption tower slurries and washes away to pH meter
Corrasion, improves the service life of pH meter, and does not need to be additionally provided power source, can play good energy-saving effect.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of pH value of absorption column measuring device of the utility model, including absorption tower, absorb the bottom of the tower are equipped with the first slurries
The first serum recycle is separately installed on circulation pipe and the second serum recycle pipe, the first serum recycle pipe and the second serum recycle pipe
A pipeline is respectively drawn in pump and the second slurry circulating pump, the first slurry circulating pump and the second slurry circulating pump exit and measurement is female
Pipe is connected, and the end for measuring main pipe is connected with surge tank, and pH meter is provided on surge tank.
It is further improved as the utility model, one and measurement main pipe phase are drawn in the first slurry circulating pump exit
First measurement pipe of connection is provided with the first control valve in the first measurement pipe；Second slurry circulating pump exit draw one with
The second measurement pipe that main pipe is connected is measured, is provided with the second control valve in the second measurement pipe.
It is further improved as the utility model, the front end for measuring main pipe is equipped with control main valve, sets after controlling main valve
It is equipped with flushing pump, flushing pump is connected by flushing pipe with measurement main pipe.
It is further improved as the utility model, overflow pipe, the end of overflow pipe and blowdown is provided on surge tank
Pond is connected.
It is further improved as the utility model, pH meter includes the first pH meter and the second pH meter, the first pH meter
It is obliquely installed with the second pH meter on the side wall of surge tank.
It is further improved as the utility model, the first pH meter and the second pH meter are respectively between the side wall of surge tank
With angle α, α is less than 45 °.
It is further improved as the utility model, the first serum recycle pipe includes the first grout outlet and the first overfall
It manages, is provided with the first serum recycle pump valve on the first grout outlet；Second serum recycle pipe includes the second grout outlet and the second overfall
It manages, is provided with the second serum recycle pump valve on the second grout outlet.
It is further improved as the utility model, the inlet of surge tank is equipped with flowmeter.
It is further improved as the utility model, buffers and be additionally provided with thermometer on pot sidewall, thermometer inclination is inserted
Enter on the inside of surge tank.
It is further improved as the utility model, flushing pipe is equipped with flushing valve, and overflow pipe is equipped with overflow valve.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) a kind of pH value of absorption column measuring device of the utility model, including absorption tower, absorb the bottom of the tower are equipped with the first slurry
The first slurries are separately installed on liquid circulation pipe and the second serum recycle pipe, the first serum recycle pipe and the second serum recycle pipe to follow
Ring pump and the second slurry circulating pump directly draw measurement pipeline from the first slurry circulating pump and the second slurry circulating pump outlet conduit
It is connected with measurement main pipe, does not need to be additionally provided power source, plays good energy-saving effect, and consider slurry circulating pump
Maintenance, by more slurry circulating pumps be drawn out to measurement main pipe on, guarantee measuring device do not influence to measure because of termination of pumping；Measurement
The end of main pipe is connected with surge tank, pH meter is provided on surge tank, the internal diameter of surge tank is much larger than measurement pipeline
Diameter reduces slurries and enters the speed of surge tank, so that the erosion corrosion that slurries pop one's head in pH meter is further mitigated,
Improve the service life of pH meter and the accuracy of detection.
(2) a kind of pH value of absorption column measuring device of the utility model is provided with the first control valve in the first measurement pipe, and
The second control valve is provided in two measurement pipes；First control valve and the second control valve can be controlled separately the first measurement pipe and second
Connection between measurement pipe and measurement main pipe can pass through the first control valve when wherein a slurry circulating pump needs to overhaul
It is controlled with the second control valve, guarantees that measuring device does not influence to measure because of termination of pumping.
(3) a kind of pH value of absorption column measuring device of the utility model, the front end for measuring main pipe are equipped with control main valve, control
Flushing pump is provided with after main valve, flushing pump is connected by flushing pipe with measurement main pipe；Control main valve need to be only closed when flushing, opened
Surge tank and measurement main pipe can be rinsed by opening flushing valve, be allowed to keep clean, periodic flushing can guarantee testing result
Accuracy, and water pH value be it is fixed, can judge whether pH meter accurate by the detection to water pH value, so consider
PH meter whether is needed replacing, the accuracy of measurement is improved.
(4) a kind of pH value of absorption column measuring device of the utility model is provided with overflow pipe, the end of overflow pipe on surge tank
End is connected with pollution discharge pond；When the slurries in surge tank reach certain liquid level, slurries can be by overflow pipe by extra slurry
Liquid is discharged into pollution discharge pond, be ensure that the slurries in surge tank are in the state of a circulation, is conducive to detect in absorption tower
The pH value dynamic changing process of slurries has further ensured the accuracy of detection.
(5) a kind of pH value of absorption column measuring device of the utility model, pH meter include the first pH meter and the second pH meter,
Judged jointly when detection by the result of two pH meters, some inevitable pH meter goes out if relatively large deviation occur in two testing results
Existing failure, operating personnel can check accordingly, significantly reduce the error of measurement, improve the standard of slurry pH value detection
True property；First pH meter and the second pH meter are obliquely installed on the side wall of surge tank, and inclined design reduces pH meter probe and slurries
Contact surface area, and then reduce erosion corrosion of the slurries to pH meter probe, improve the service life of pH meter.
(6) inlet of a kind of pH value of absorption column measuring device of the utility model, surge tank is equipped with flowmeter, flowmeter
The detectable flowing velocity into slurries in surge tank, staff can be controlled by adjusting the aperture of control main valve slurries into
Enter the uninterrupted and rate in surge tank, to prevent from causing pH meter measuring probe impaired because slurry flow rate is too fast.
(7) a kind of pH value of absorption column measuring device of the utility model buffers and is additionally provided with thermometer, temperature on pot sidewall
On the inside of meter inclination insertion surge tank, the slurry temperature being discharged from absorption tower is higher, and excessively high slurry temperature is when washing away to pH meter
The damage of probe is more serious, and slurries enter surge tank along measurement main pipe, and surge tank not only plays buffer function to slurries, and slow
Rush tank surface area it is larger accelerate distributing for heat, reduce the temperature of slurries, being capable of slurries in accurate perception surge tank
Temperature helps to adjust the short and thick setting carefully waited of measurement pipe road length in time, prevents from damaging pH meter probe because slurry temperature is excessively high,
PH meter probe is further protected, facilitates the service life for extending pH meter, ensures detection accuracy.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of pH value of absorption column measuring device of the utility model.
Label declaration in schematic diagram:
100, absorption tower；110, the first grout outlet；111, the first slurry circulating pump；112, the first serum recycle pump valve；
120, the second grout outlet；121, the second slurry circulating pump；122, the second serum recycle pump valve；130, the first return pipe；140,
Two return pipes；150, the first measurement pipe；151, the first control valve；160, the second measurement pipe；161, the second control valve；
200, surge tank；210, main pipe is measured；211, main valve is controlled；212, flowmeter；213, thermometer；214, the first pH
Meter；215, the second pH meter；
300, flushing pump；310, flushing pipe；311, flushing valve；320, overflow pipe；321, overflow valve；330, pollution discharge pond.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Therefore, below to providing in the accompanying drawings
The detailed description of the embodiments of the present invention be not intended to limit the range of claimed invention, but only
Indicate the selected embodiment of the utility model.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1, a kind of pH value of absorption column measuring device of the present embodiment, including absorption tower 100,100 bottom of absorption tower
Equipped with the first serum recycle pipe and the second serum recycle pipe, the first serum recycle pipe includes the first grout outlet 110 and the first overfall
Pipe 130, the second serum recycle pipe include the second grout outlet 120 and the second return pipe 140.Slurries come out from absorption tower 100 to be divided
The first grout outlet 110 and the second grout outlet 120 are not flowed through, then absorption tower is returned to by the first return pipe 130 and the second return pipe 140
In 100.The first slurry circulating pump 111 and the second slurries are separately installed on first serum recycle pipe and the second serum recycle pipe
Circulating pump 121, as shown in Figure 1, being separately installed with the first slurry circulating pump on the first grout outlet 110 and the second grout outlet 120
111 and second slurry circulating pump 121.The first serum recycle pump valve 112, the second grout outlet 120 are provided on first grout outlet 110
On be provided with the second serum recycle pump valve 122.In the present embodiment, the first slurry circulating pump 111 and the second slurry circulating pump 121
Exit respectively draws a pipeline and is connected with measurement main pipe 210, does not need to be additionally provided power source, plays good energy conservation
Effect, and consider the maintenance of slurry circulating pump, more slurry circulating pumps are drawn out in measurement main pipe 210, guarantee measurement
Device does not influence to measure because of termination of pumping.The end of measurement main pipe 210 is connected with surge tank 200, is provided with pH on surge tank 200
Meter.The internal diameter of surge tank 200 reduces slurries and enters the impact speed after surge tank 200 much larger than the diameter of measurement pipeline
Degree, to further mitigate the erosion corrosion that slurries pop one's head in pH meter, improves the service life and inspection of pH meter
The accuracy of survey.
In the present embodiment, first survey being connected with measurement main pipe 210 is drawn in 111 exit of the first slurry circulating pump
Buret 150 is provided with the first control valve 151 in first measurement pipe 150；Second slurry circulating pump, 121 exit draw one with
The second measurement pipe 160 that main pipe 210 is connected is measured, is provided with the second control valve 161 in the second measurement pipe 160.First control
Valve 151 and the second control valve 161 can be controlled separately the first measurement pipe 150 and the second measurement pipe 160 and measurement main pipe 210 it
Between connection can pass through the first control valve 151 and the second control valve 161 when wherein a slurry circulating pump needs to overhaul
Switch control, guarantee that measuring device does not influence to measure because of termination of pumping.
Embodiment 2
A kind of pH value of absorption column measuring device of the present embodiment, structure is substantially the same manner as Example 1, further,
PH meter includes the first pH meter 214 and the second pH meter 215, and when detection is judged jointly by the result of two pH meters, once two
Relatively large deviation occurs in a testing result, and then some inevitable pH meter breaks down, and operating personnel can check accordingly, effectively
The error for reducing measurement improves the accuracy of slurry pH value detection.First pH meter 214 and the second pH meter 215 are obliquely installed
In on the side wall of surge tank 200, inclined design reduces the contact surface area of pH meter probe and slurries, and then reduces slurries to pH
The erosion corrosion for counting probe, improves the service life of pH meter.First pH meter 214 and the second pH meter 215 respectively with buffering
There is angle α, α is less than 45 °, and specifically, in the present embodiment, α is 30 ° between the side wall of tank 200.
Embodiment 3
A kind of pH value of absorption column measuring device of the present embodiment, structure is substantially the same manner as Example 2, and difference exists
In α be 15 °.
Embodiment 4
A kind of pH value of absorption column measuring device of the present embodiment, structure is substantially the same manner as Example 2, further,
The front end for measuring main pipe 210 is equipped with control main valve 211, is provided with flushing pump 300 after controlling main valve 211, flushing pump 300 passes through punching
It washes pipe 310 to be connected with measurement main pipe 210, flushing pipe 310 is equipped with flushing valve 311.Control main valve need to be only closed when flushing
211, surge tank 200 and measurement main pipe 210 can be rinsed by opening flushing valve 311, be allowed to keep clean, periodic flushing can
Guarantee testing result accuracy, and water pH value be it is fixed, can judge that pH meter is by the detection to water pH value
It is no accurate, and then consider whether to need replacing pH meter, improve the accuracy of measurement.
In the present embodiment, overflow pipe 320 is provided on surge tank 200, overflow pipe 320 is equipped with overflow valve 321, overflow pipe
320 end is connected with pollution discharge pond 330.When the slurries in surge tank 200 reach certain liquid level, slurries can pass through overflow
Extra slurries are discharged into pollution discharge pond 330 by pipe 320, ensure that the slurries in surge tank 200 are in the state of a circulation
Under, be conducive to the pH value dynamic changing process for detecting slurries in absorption tower, further ensure the accuracy of detection.
Embodiment 5
A kind of pH value of absorption column measuring device of the present embodiment, structure is substantially the same manner as Example 4, further,
The inlet of surge tank 200 is equipped with flowmeter 212, and flowmeter 212 can detect the flowing velocity into slurries in surge tank 200,
Staff can control the uninterrupted and rate that slurries enter in surge tank 200 by adjusting the aperture of control main valve 211,
To prevent from causing because slurry flow rate is too fast pH meter measuring probe impaired.
Thermometer 213,200 inside of the inclination insertion of thermometer 213 surge tank are additionally provided on 200 side wall of surge tank.From suction
The slurry temperature for receiving tower discharge is higher, and excessively high slurry temperature is more serious to the damage of pH meter probe when washing away, slurries edge
It measures main pipe 210 and enters surge tank 200, surge tank 200 not only plays buffer function, and the surface area of surge tank 200 to slurries
It is larger to accelerate distributing for heat.Furthermore it is possible in accurate perception surge tank 200 slurries temperature, facilitate in time adjust survey
The short and thick setting carefully waited of buret road length, prevents from damaging pH meter probe because slurry temperature is excessively high, further protects pH meter probe,
Facilitate the service life of extension pH meter, ensures detection accuracy.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of pH value of absorption column measuring device, it is characterised in that: including absorption tower (100), absorption tower (100) bottom is equipped with the
The first slurry is separately installed on one serum recycle pipe and the second serum recycle pipe, the first serum recycle pipe and the second serum recycle pipe
Liquid circulating pump (111) and the second slurry circulating pump (121), the first slurry circulating pump (111) and the second slurry circulating pump (121) go out
One pipeline of each extraction is connected with measurement main pipe (210) at mouthful, and the end of measurement main pipe (210) is connected with surge tank (200)
Logical, surge tank is provided with pH meter on (200).
2. a kind of pH value of absorption column measuring device according to claim 1, it is characterised in that: the first slurry circulating pump
(111) first measurement pipe (150) being connected with measurement main pipe (210) is drawn in exit, and the first measurement pipe is set on (150)
It is equipped with the first control valve (151)；It draws one and is connected with main pipe (210) are measured in second slurry circulating pump (121) exit
Second measurement pipe (160) is provided with the second control valve (161) in the second measurement pipe (160).
3. a kind of pH value of absorption column measuring device according to claim 2, it is characterised in that: before measurement main pipe (210)
End is equipped with control main valve (211), is provided with flushing pump (300) after control main valve (211), flushing pump (300) passes through flushing pipe
(310) it is connected with measurement main pipe (210).
4. a kind of pH value of absorption column measuring device according to claim 3, it is characterised in that: surge tank is arranged on (200)
Have overflow pipe (320), the end of overflow pipe (320) is connected with pollution discharge pond (330).
5. a kind of pH value of absorption column measuring device according to claim 1, it is characterised in that: pH meter includes the first pH
Meter (214) and the second pH meter (215), the first pH meter (214) and the second pH meter (215) are obliquely installed in the side of surge tank (200)
On wall.
6. a kind of pH value of absorption column measuring device according to claim 5, it is characterised in that: the first pH meter (214) and
Two pH meters (215) have angle α between the side wall of surge tank (200) respectively, and α is less than 45 °.
7. a kind of pH value of absorption column measuring device according to claim 1, it is characterised in that: the first serum recycle pipe includes
First grout outlet (110) and the first return pipe (130) are provided with the first serum recycle pump valve on the first grout outlet (110)
(112)；Second serum recycle pipe includes the second grout outlet (120) and the second return pipe (140), and the second grout outlet is set on (120)
It is equipped with the second serum recycle pump valve (122).
8. a kind of pH value of absorption column measuring device according to claim 1, it is characterised in that: the entrance of surge tank (200)
Place is equipped with flowmeter (212).
9. a kind of pH value of absorption column measuring device according to claim 1, it is characterised in that: on surge tank (200) side wall
It is additionally provided with thermometer (213), on the inside of thermometer (213) inclination insertion surge tank (200).
10. a kind of pH value of absorption column measuring device according to claim 4, it is characterised in that: flushing pipe (310) is equipped with
Flushing valve (311), overflow pipe (320) are equipped with overflow valve (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920162652.3U CN209624537U (en) | 2019-01-30 | 2019-01-30 | A kind of pH value of absorption column measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920162652.3U CN209624537U (en) | 2019-01-30 | 2019-01-30 | A kind of pH value of absorption column measuring device |
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| Publication Number | Publication Date |
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| CN209624537U true CN209624537U (en) | 2019-11-12 |
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ID=68452602
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| CN201920162652.3U Expired - Fee Related CN209624537U (en) | 2019-01-30 | 2019-01-30 | A kind of pH value of absorption column measuring device |
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| Country | Link |
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| CN (1) | CN209624537U (en) |
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2019
- 2019-01-30 CN CN201920162652.3U patent/CN209624537U/en not_active Expired - Fee Related
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