CN208206856U - A kind of slurries pH measuring device of desulfuration absorbing tower - Google Patents
A kind of slurries pH measuring device of desulfuration absorbing tower Download PDFInfo
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- CN208206856U CN208206856U CN201820775193.1U CN201820775193U CN208206856U CN 208206856 U CN208206856 U CN 208206856U CN 201820775193 U CN201820775193 U CN 201820775193U CN 208206856 U CN208206856 U CN 208206856U
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Abstract
The utility model discloses a kind of slurries pH measuring devices of desulfuration absorbing tower, including annular probe tube, slurries delivery pipe, wash tub pipe, sample pond, pH electrode and slurry circulating pump, sampling is provided with sample mixing device in pond, sample mixing device includes mixed liquid bath, mixed liquid bath bottom is provided with through-hole, ring-shaped splash guard is provided on bottom wall in mixed liquid bath, ring-shaped splash guard and mixed liquid bath side wall surround to form collecting tank, slurries delivery pipe is connected to collecting tank, multiple overflow ports are provided on ring-shaped splash guard, mixing tube is provided with below mixed liquid bath, sampling is provided with upper floating ball liquid-level switch and lower floating-ball level switch in pond, sampling bottom of pond portion is provided with serum recycle mouth, serum recycle mouth is connect by slurry circulating pump with absorption tower；The utility model uses multiple spot pH value measurement method, not only improves sampling efficiency, but also more accurately pH value in available absorption tower, can improve desulfurization operation efficiency accurately for slurry and reduce the probability of discharge beyond standards.
Description
Technical field
The utility model relates to wet process limestone-gypsum desulfurization project device more particularly to a kind of slurries of desulfuration absorbing tower
Liquid pH measuring device.
Background technique
In based Wet Process Flue Gas, to ensure desulfurizer reliability of operation and flue gas desulfurization effect, it is necessary to right
The pH value of the gypsum slurries to play a decisive role to flue gas desulfurization effect, lime stone slurry in desulfurizer detects.
Existing measuring device mainly include the following types:
1 card edge type: directly pH electrode is inserted into inside absorption tower using other assemblies such as casings, this method disadvantage
It is, PH electrode cannot rinse, and the mud that is easy to be absorbed in tower of popping one's head in is pasted and misalignment, and plug probe is very when Electrode Calibration
Trouble, casing and other assemblies are easy stuck or leakage；
2. indirect plug-in type: drawing probe tube from gypsum slurries pump discharge, insert electrodes into probe tube, and probe tube connects
Connect flushing pipe, electrode can periodic flushing, this measurement method probe tube is easy blocking, and gypsum discharge pump head is too big,
Slurries wash away seriously PH electrode, and the service life of electrode is shorter.
3. overflow tries: this measurement method mainly draws a root canal road from absorption tower and enters a measuring cell, absorption tower
The slurries of discharge are lasting to be overflowed from measuring cell, the slurries pH in the direct measuring cell of electrode, but there is also measure inaccuracy, take
The problems such as sample pipeline blockage.
Utility model content
The purpose of this utility model is that in view of the above shortcomings of the prior art, providing a kind of accurate desulfurization absorption of measurement
The slurries pH measuring device of tower.
To solve the above problems, technical solution adopted in the utility model is:
A kind of slurries pH measuring device of desulfuration absorbing tower, including being opened in the multiple sample taps, the ring that absorb on tower side wall
Shape probe tube, slurries delivery pipe, wash tub pipe, sampling pond, pH electrode and slurry circulating pump, the annular probe tube are set to suction
It receives on tower lateral wall, and is connected to multiple sample taps, be provided with serum outlet on the annular probe tube and rinse nozzle, it is described
Slurries delivery pipe is connected to the serum outlet, and the wash tub pipe is connected to the flushing nozzle, is arranged in the sampling pond
There is sample mixing device, the sample mixing device includes mixed liquid bath, and the mixed liquid bath is open-topped cylindrical housings, the mixed liquid bath
Bottom is provided with through-hole, and ring-shaped splash guard is provided on the bottom wall in the mixed liquid bath, and the through-hole is located at the annular water blocking
In plate, the ring-shaped splash guard and the mixed liquid bath side wall surround to form collecting tank, the slurries delivery pipe and the collecting tank
Connection is provided with multiple overflow ports on the ring-shaped splash guard, is provided with mixing tube below the mixed liquid bath, the mixing tube with
The through-hole of the mixed liquid bath bottom is connected to, and is provided with umbrella reflecting plate below the mixing tube, is provided in the sampling pond
Floating-ball level switch and lower floating-ball level switch, the pH electrode are set in the sampling pond and lower than the lower Floating Ball Liquid Levels
Switch, the sampling bottom of pond portion is taper, and is provided with serum recycle mouth, and the serum recycle mouth is by slurry circulating pump and inhales
Receive tower connection.
Further, the slurries delivery pipe and collecting tank junction are provided with the guide plate of oblique placement.
Further, the overflow port on the ring-shaped splash guard is lower than the mixed liquid bath side wall height.
Further, the sump bottom is provided with Butterworth Hatch.
It further, further include controller, the input terminal and upper floating ball liquid-level switch and lower Floating Ball Liquid Level of the controller
Switch electrical connection, the output end of the controller are electrically connected with the slurry circulating pump.
Further, the position of the umbrella reflecting plate is higher than upper floating ball liquid-level switch.
The beneficial effects of adopting the technical scheme are that
In the utility model, multiple sample taps, the slurries of multiple sample tap outflows are equidistantly provided on the side wall on absorption tower
It is flowed into sample mixing device by annular probe tube and slurries delivery pipe, then is flowed into sampling pond through sample mixing device, by being arranged in
The pH electrode sampled in pond carries out real-time measurement, and the slurries sampled in pond are returned in absorption tower through slurry circulating pump again；This reality
Multiple spot pH value measurement method is used with novel, not only improves sampling efficiency, but also more accurately pH value in available absorption tower,
It can improve desulfurization operation efficiency accurately for slurry and reduce the probability of discharge beyond standards；The slurries flowed out in absorption tower are first in ring
Mixing in shape collecting tank, then mixing tube is flowed by the overflow port on ring-shaped splash guard, enter after the dispersion of umbrella reflecting plate and takes
In sample pond, the slurries that multiple sample taps flow out can quickly be mixed, keep the pH value of mixed serum more stable uniformly；It samples in pond
Portion and lower part setting are there are two floating-ball level switch, when sampling that liquid level is higher than upper floating ball liquid-level switch in pond, controller control slurry
Liquid recycles pump work, and the slurries extracted in sampling pond are transported in absorption tower, and the liquid level sampled in pond is opened lower than lower Floating Ball Liquid Level
Guan Shi, controller can control circulating pump to stop working；Slurries in sampling pond can be kept to stablize, convenient for measuring, and also it is effectively save
Electric energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is sample mixing apparatus structure schematic diagram in the utility model；
Fig. 3 is another example structure schematic diagram of the utility model.
In figure: 1, absorption tower；2, annular probe tube；3, slurries delivery pipe；4, wash tub pipe；5, pond is sampled；6, pH electrode；
7, slurry circulating pump；8, liquid bath is mixed；9, through-hole；10, ring-shaped splash guard；11, overflow port；12, mixing tube；13, umbrella reflecting plate；
14, upper floating ball liquid-level switch；15, lower floating-ball level switch；16, guide plate；17, collecting tank.
Specific embodiment
The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used to limit the scope of the utility model.
As shown in Figs. 1-2, in the present embodiment, a kind of slurries pH measuring device of desulfuration absorbing tower, including be uniformly opened in
Four sample taps, annular probe tube 2 on 1 side wall of absorption tower, slurries delivery pipe 3, wash tub pipe 4, sampling pond 5,6 and of pH electrode
Slurry circulating pump 7, the annular probe tube 2 is set on 1 lateral wall of absorption tower, and is connected to four sample taps, sample tap
Depending on height designs liquid level according to absorption tower 1, serum outlet is provided on the annular probe tube 2 and rinses nozzle, the slurry
Liquid delivery pipe 3 is connected to the serum outlet, and control valve, the wash tub pipe 4 and the punching are provided in slurries delivery pipe 3
Nozzle connection is washed, control valve is provided on shown wash tub pipe 4, the other end of wash tub pipe 4 introduces flushing water, shown flushing
Flush water pump can also be set on water pipe 4, for improving the hydraulic pressure in wash tub pipe, when flushing, relevant control valve need to be opened
And flush water pump, annular probe tube 2 and slurries delivery pipe 3 are rinsed, prevent from blocking；It is provided in the sampling pond 5 mixed
Sampling device, the sample mixing device include mixed liquid bath 8, and mixed liquid bath 8 is fixed on sampling 5 top of pond, and the mixed liquid bath 8 is top opening
Cylindrical housings, mixed 8 bottom of liquid bath is provided with through-hole 9, is provided with ring-shaped splash guard on the bottom wall in the mixed liquid bath 8
10, the through-hole 9 is located in the ring-shaped splash guard 10, and the ring-shaped splash guard 10 surrounds to be formed with mixed 8 side wall of liquid bath
The collecting tank 17 of annular, the slurries delivery pipe 3 are connected to the collecting tank 17, and the slurries delivery pipe 3 connects with collecting tank 17
The place of connecing is provided with the guide plate 16 of oblique placement, and the slurries that slurries delivery pipe 3 can be made to flow out form annularly flow in collecting tank,
It is uniformly mixed；It is provided with multiple overflow ports 11 on the ring-shaped splash guard 10, is provided with mixing tube 12 below the mixed liquid bath 8,
The mixing tube 12 is connected to the through-hole 9 of mixed 8 bottom of liquid bath, is provided with umbrella reflecting plate 13 below the mixing tube 12,
Slurries flow into the mixing of mixing tube 12 after passing through overflow port 11 and through-hole 9, then enter sampling pond 5 after the dispersion of umbrella reflecting plate 13,
Upper floating ball liquid-level switch 14 and lower floating-ball level switch 15 are provided in the sampling pond 5.
It further, further include controller, the input terminal and upper floating ball liquid-level switch 14 and lower floating ball liquid of the controller
Bit switch 15 is electrically connected, and the output end of the controller is electrically connected with the slurry circulating pump 7.
The pH electrode 6 is set in the sampling pond 5 and lower than the lower floating-ball level switch 15, the sampling pond 5
Bottom is taper, and is provided with serum recycle mouth, and the serum recycle mouth is connect by slurry circulating pump 7 with absorption tower 1.Sampling
When liquid level is higher than upper floating ball liquid-level switch 14 in pond 5, upper floating ball liquid-level switch 14 transmits a signal to controller, controller control
Slurry circulating pump 7 works, and 5 slurries are transported in absorption tower 1 in extraction sampling pond, and the liquid level sampled in pond 5 is lower than lower floating ball
When liquid-level switch 15, controller control slurry circulating pump 7 stops working.
Further, the overflow port 11 on the ring-shaped splash guard 10 is lower than mixed 8 side wall of the liquid bath height.
Further, 17 bottom of collecting tank is provided with Butterworth Hatch.Crystallization periodic cleaning for slurries deposition.
Further, the position of the umbrella reflecting plate 13 is higher than upper floating ball liquid-level switch 14.
Another embodiment, such as Fig. 3 take for 1 meter or so below four sample taps again on the basis of the above embodiments
The slurries of the outflow of eight sample taps are passed through annular probe tube 2 and slurries delivery pipe 3 by pipeline by four equidistant sample taps
It is flowed into sample mixing device, then is flowed into sampling pond 5 through sample mixing device, carried out in real time by the pH electrode 6 being arranged in sampling pond 5
Measurement.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement；And these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (6)
1. a kind of slurries pH measuring device of desulfuration absorbing tower, which is characterized in that more on absorption tower (1) side wall including being opened in
A sample tap, annular probe tube (2), slurries delivery pipe (3), wash tub pipe (4), sampling pond (5), pH electrode (6) and slurries follow
Ring pumps (7), and the annular probe tube (2) is set on absorption tower (1) lateral wall, and is connected to multiple sample taps, the annular
It is provided with serum outlet on probe tube (2) and rinses nozzle, the slurries delivery pipe (3) is connected to the serum outlet, described
Wash tub pipe (4) is connected to the flushing nozzle, is provided with sample mixing device in the sampling pond (5), the sample mixing device includes
Mixed liquid bath (8), the mixed liquid bath (8) are open-topped cylindrical housings, and mixed liquid bath (8) bottom is provided with through-hole (9),
It is provided with ring-shaped splash guard (10) on bottom wall in the mixed liquid bath (8), the through-hole (9) is located at the ring-shaped splash guard (10)
Interior, the ring-shaped splash guard (10) and mixed liquid bath (8) side wall surround to be formed collecting tank (17), the slurries delivery pipe (3)
It is connected to the collecting tank (17), is provided with multiple overflow ports (11) on the ring-shaped splash guard (10), under the mixed liquid bath (8)
Side is provided with mixing tube (12), and the mixing tube (12) is connected to the through-hole (9) of mixed liquid bath (8) bottom, the mixing tube
(12) lower section is provided with umbrella reflecting plate (13), is provided with upper floating ball liquid-level switch (14) and lower floating ball in the sampling pond (5)
Liquid-level switch (15), the pH electrode (6) are set in the sampling pond (5) and are lower than the lower floating-ball level switch (15),
The sampling pond (5) bottom is taper, and is provided with serum recycle mouth, the serum recycle mouth by slurry circulating pump (7) with
Absorption tower (1) connection.
2. a kind of slurries pH measuring device of desulfuration absorbing tower according to claim 1, which is characterized in that the slurries are defeated
Pipe (3) and collecting tank (17) junction are sent to be provided with the guide plate (16) of oblique placement.
3. a kind of slurries pH measuring device of desulfuration absorbing tower according to claim 1, which is characterized in that the annular gear
Overflow port (11) on water plate (10) is lower than mixed liquid bath (8) the side wall height.
4. a kind of slurries pH measuring device of desulfuration absorbing tower according to claim 1, which is characterized in that the collecting tank
(17) bottom is provided with Butterworth Hatch.
5. a kind of slurries pH measuring device of desulfuration absorbing tower according to claim 1, which is characterized in that further include control
The input terminal of device, the controller is electrically connected with upper floating ball liquid-level switch (14) and lower floating-ball level switch (15), the control
The output end of device is electrically connected with the slurry circulating pump (7).
6. a kind of slurries pH measuring device of desulfuration absorbing tower according to claim 1, which is characterized in that the umbrella is anti-
The position for penetrating plate (13) is higher than upper floating ball liquid-level switch (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775193.1U CN208206856U (en) | 2018-05-23 | 2018-05-23 | A kind of slurries pH measuring device of desulfuration absorbing tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775193.1U CN208206856U (en) | 2018-05-23 | 2018-05-23 | A kind of slurries pH measuring device of desulfuration absorbing tower |
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| Publication Number | Publication Date |
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| CN208206856U true CN208206856U (en) | 2018-12-07 |
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| CN201820775193.1U Active CN208206856U (en) | 2018-05-23 | 2018-05-23 | A kind of slurries pH measuring device of desulfuration absorbing tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791450A (en) * | 2022-03-04 | 2022-07-26 | 华电电力科学研究院有限公司 | Desulfurization slurry on-line pH meter measuring device and method |
-
2018
- 2018-05-23 CN CN201820775193.1U patent/CN208206856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791450A (en) * | 2022-03-04 | 2022-07-26 | 华电电力科学研究院有限公司 | Desulfurization slurry on-line pH meter measuring device and method |
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