CN208239250U - A kind of density that can be self-cleaning and pH value accurate measuring systems - Google Patents
A kind of density that can be self-cleaning and pH value accurate measuring systems Download PDFInfo
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- CN208239250U CN208239250U CN201820405039.5U CN201820405039U CN208239250U CN 208239250 U CN208239250 U CN 208239250U CN 201820405039 U CN201820405039 U CN 201820405039U CN 208239250 U CN208239250 U CN 208239250U
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Abstract
The utility model relates to a kind of density that can be self-cleaning and pH value accurate measuring systems, measure for serosity density measurement in the desulfurizing tower of large-scale power station wet desulfurization system and pH value.Existing density measuring equipment and pH value measuring device easily block, corrode, and seriously affect the safe operation of desulphurization system, and cannot reflect the true value of slurries parameter in desulfurizing tower.Measuring system is connected with desulfurizing tower in the utility model, including sample tap, sampling valve, blowdown valve, pressure gauge, pH meter, overflow valve, flushing valve, dosing valve and dosing tank.Feature is that slurries in desulfurizing tower are introduced measuring device from different location respectively, measures serum density and pH value respectively, after being measured, then is rinsed to measuring system.On the one hand density measure and the pH value measurement to different location in desulfurizing tower are realized, not only more economically, but also the accuracy of measured value is improved, on the other hand can avoid the blocking and corrosion of measuring device with auto-flushing measuring system.
Description
Technical field
The utility model relates to a kind of desulfurization parameter measurement systems, and in particular to the density and pH value that one kind can be self-cleaning are accurate
Measuring system.
Background technique
Currently, environmental requirement is increasingly serious, heat power station depends on wet desulfurization system largely to meet environmentally friendly dirt
Object emission request is contaminated, and the serum density and pH value in desulfurizing tower are the important parameters for guaranteeing desulphurization system and operating normally.But
Slurries in desulfurizing tower have viscosity and corrosivity, can result in blockage to power plant's density measuring equipment and pH value measuring device and rotten
Erosion, causes most power plant's densitometers and pH meter on-line measurement device in paralyzed state, seriously affects the peace of desulphurization system
Row for the national games.
The existing densitometer of desulfurizing tower of electric power plant, pH meter cannot reflect the true value of slurries parameter in desulfurizing tower, because these
Meter position be it is fixed, density, the pH value of fixed position can only be measured, such as application No. is 201410819201.4 China specially
Benefit, and serum density and pH value in different location are differentiated in desulfurizing tower.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of structure design conjunction
Reason density that can be self-cleaning and pH value accurate measuring systems, solve desulfurizing tower densitometer and pH meter blocking, corrosion and not
Accurate problem.
The technical scheme in the invention for solving the above technical problem is: the density and pH value that one kind can be self-cleaning are accurately surveyed
Amount system, including desulfurizing tower, sampling system, measuring system and self-cleaning rinse-system, the sampling system, measuring system and self-cleaning
Rinse-system is respectively positioned on desulfurizing tower；It is characterized in that, the sampling system includes sample tap, sampling line, sampling valve and overflows
Valve is flowed, the sample tap is arranged on desulfurizing tower, and the sample tap is connect with sampling line, the sampling valve and overflow valve installation
On sampling line；The measuring system includes pressure gauge and pH meter, and the pressure gauge is provided with 2 or more, the pressure
Power table and pH meter are mounted on sampling line, and the pressure gauge and pH meter are between sampling valve and overflow valve；Institute
Stating self-cleaning rinse-system includes blowoff line, blowdown valve, flushing pipeline, flushing valve, dosing pipe, dosing valve and dosing tank, institute
It states blowoff line and flushing pipeline is arranged on sampling line, the blowoff line and flushing pipeline are located at sampling valve and overflow valve
Between, the blowdown valve is mounted on blowoff line, and the flushing valve is mounted in flushing pipeline, the dosing pipe and flushing
Piping connection, the dosing valve and dosing tank are mounted on dosing pipe.Desulfurization can be arranged in sample tap according to actual needs
The end of sampling line is arranged in any position of tower, overflow valve, is used for protection system.Measuring system can be in desulfurizing tower
The slurries of any position measure, and increase the reliability of measurement result, meanwhile, the design of self-cleaning rinse-system can be to pipeline
More thoroughly cleaning is carried out, avoiding pipeline by slurry erosion leads to its blocking.
Furthermore, the pressure gauge is provided with 2, and the pH meter is provided with 1.By obtaining 2 pressure
Height between the reading of table and 2 pressure gauges can calculate the density of slurries.
Furthermore, the sample tap is provided with multiple, and the different height position of desulfurizing tower is arranged in multiple sample taps.
Can the different height position respectively to desulfurizing tower measure, comprehensive multi-group data obtains final measurement, can more reflect de-
The overall condition of slurries in sulphur tower.
A kind of measurement method of density that as described above can be self-cleaning and pH value accurate measuring systems, which is characterized in that institute
It is as follows to state measurement method: opening sampling valve, the slurries in desulfurizing tower are entered in sampling line by sample tap, at this point, overflow valve
It opens, blowdown valve and flushing valve are closed；When slurries are flowed out by overflow valve, closing outflow valve and sampling valve, sampling process knot
Beam；The density and pH value of slurries are measured by pressure gauge and pH meter, pH meter directly reads the pH value of slurries, and slurries are close
Degree carries out calculating acquisition by reading P1, P2 of 2 pressure gauges and the difference in height h of two pieces of pressure gauges；After measurement, open
Slurries are discharged in blowdown valve, open flushing valve, rinse measuring system with clean water, then according to the pH value measured, open dosing valve
Release dosing tank in medicament mix it with clean water, cleaning flushing is carried out to measuring system, finally successively closing dosing valve,
Flushing valve and blowdown valve complete the cleaning to measuring system.Self-cleaning rinse-system contains clean water and rinses and dosing flushing two
Kind purging method, can be used alternatingly with clear water and medicament, guarantee the spatter property of whole system.
Furthermore, during rinsing measuring system with clean water, opening for dosing valve is adjusted according to the pH value of slurries
It spends to control the amount of release medicament.
Furthermore, when measuring the density of slurries, the reading for choosing multiple pressure gauges calculates the density of multiple groups slurries.
Final result can be obtained according to the density data of multiple groups slurries synthesis, improve the accuracy of measurement.
Furthermore, multiple groups measurement result is obtained from the sampling of multiple sample taps.The slurries for flowing into measuring system have generation
It is table, comprehensive, it ensure that the accuracy of measurement result.
The utility model compared with prior art, has the following advantages that and effect: the utility model can in desulfurizing tower not
Density and pH value with position slurries measure, and improve the accuracy of measurement result.Meanwhile the utility model can be voluntarily right
Measuring system is thoroughly rinsed, and is guaranteed the spatter property of measuring system, is avoided systemic breakdown, and the longevity of measuring system is extended
Life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
In figure: sampling valve 1, blowdown valve 2, overflow valve 3, dosing valve 4, pressure gauge 5, pH meter 6, dosing tank 7, sample tap
8, flushing valve 9, desulfurizing tower 10, sampling line 11, blowoff line 12, flushing pipeline 13, dosing pipe 14.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment.
Referring to Fig. 1, a kind of density that can be self-cleaning and pH value accurate measuring systems, including desulfurizing tower 10, sampling system, measurement
System and self-cleaning rinse-system, sampling system, measuring system and self-cleaning rinse-system are respectively positioned on desulfurizing tower 10.
Sampling system includes sample tap 8, sampling line 11, sampling valve 1 and overflow valve 3, and sample tap 8 is arranged in desulfurizing tower 10
On, sample tap 8 as needed may be provided on any position of desulfurizing tower 10, and sample tap 8 may be provided with multiple, multiple sample taps
8 are arranged in the different height position of desulfurizing tower 10；Sample tap 8 is connect with sampling line 11, for taking the slurries in desulfurizing tower 10,
Sampling valve 1 and overflow valve 3 are mounted on sampling line 11, and sampling valve 1 is mounted on the head of sampling line 11, for sampling, are overflow
Stream valve 3 is mounted on the tail portion of sampling line 11, stays in the slurries taken out for measuring in sampling line 11, while being to measurement
System is protected.
Measuring system includes pressure gauge 5 and pH meter 6, and pressure gauge 5 is provided with 2 or more, in the present embodiment, pressure gauge
5 are provided with 2, and pH meter 6 is provided with 1；Pressure gauge 5 and pH meter 6 are mounted on sampling line 11, for measuring slurry
The density and pH value of liquid, pressure gauge 5 and pH meter 6 are between sampling valve 1 and overflow valve 3.
Self-cleaning rinse-system includes blowoff line 12, blowdown valve 2, flushing pipeline 13, flushing valve 9, dosing pipe 14, dosing
Valve 4 and dosing tank 7, blowoff line 12 and flushing pipeline 13 are arranged on sampling line 11, blowoff line 12 and flushing pipeline 13
Between sampling valve 1 and overflow valve 3, for slurries and flushing liquor to be discharged, blowdown valve 2 is mounted on blowoff line 12, punching
It washes valve 9 to be mounted in flushing pipeline 13, dosing pipe 14 is connect with flushing pipeline 13, and dosing valve 4 and dosing tank 7 are mounted on dosing
On pipeline 13.
A kind of measurement method of density that as described above can be self-cleaning and pH value accurate measuring systems, measurement method are as follows:
Sampling valve 1 is opened, the slurries in desulfurizing tower 10 are entered in sampling line 11 by sample tap 8, at this point, overflow valve 3 is opened, blowdown
Valve 2 and flushing valve 9 are closed；When slurries are flowed out by overflow valve 3, closing outflow valve 3 and sampling valve 1, sampling process terminates；It is logical
Excess pressure table 5 and pH meter 6 measure the density and pH value of slurries, and pH meter directly reads the pH value of slurries, serum density
Calculating acquisition is carried out by reading P1, P2 of 2 pressure gauges 5 and the difference in height h of two pieces of pressure gauges 5；After measurement, open
Slurries are discharged in blowdown valve 2, open flushing valve 9, rinse measuring system with clean water, then according to the pH value measured, open dosing
The medicament that valve 4 discharges in dosing tank 7 mixes it with clean water, carries out cleaning flushing to measuring system, finally successively closes and adds
Medicine valve 4, flushing valve 9 and blowdown valve 2 complete the cleaning to measuring system.
During rinsing measuring system with clean water, released according to the aperture that the pH value of slurries adjusts dosing valve 4 to control
Put the amount of medicament.When measuring the density of slurries, the reading that can choose multiple pressure gauges 5 calculates the density of multiple groups slurries, can also
Multiple groups measurement result is obtained from the sampling of multiple sample taps 8 and carries out comprehensive analysis.
Although the utility model is disclosed as above with embodiment, its protection scope being not intended to limit the utility model,
Any technical staff for being familiar with this technology, it is made in the conception and scope for not departing from the utility model to change and retouch,
It all should belong to the protection range of the utility model.
Claims (3)
1. density and pH value accurate measuring systems that one kind can be self-cleaning, including desulfurizing tower, sampling system, measuring system and self-cleaning punching
System is washed, the sampling system, measuring system and self-cleaning rinse-system are respectively positioned on desulfurizing tower；It is characterized in that, the sampling
System includes sample tap, sampling line, sampling valve and overflow valve, and the sample tap is arranged on desulfurizing tower, the sample tap with
Sampling line connection, the sampling valve and overflow valve are mounted on sampling line；The measuring system includes that pressure gauge and pH are surveyed
Meter, the pressure gauge are provided with 2 or more, and the pressure gauge and pH meter are mounted on sampling line, the pressure gauge
And pH meter is between sampling valve and overflow valve；The self-cleaning rinse-system includes blowoff line, blowdown valve, flushing pipe
Road, flushing valve, dosing pipe, dosing valve and dosing tank, the blowoff line and flushing pipeline are arranged on sampling line, described
Between sampling valve and overflow valve, the blowdown valve is mounted on blowoff line for blowoff line and flushing pipeline, the flushing
Valve is mounted in flushing pipeline, and the dosing pipe is connect with flushing pipeline, and the dosing valve and dosing tank are mounted on chemical feed pipe
On the road.
2. density that can be self-cleaning according to claim 1 and pH value accurate measuring systems, which is characterized in that the pressure gauge
2 are provided with, the pH meter is provided with 1.
3. density that can be self-cleaning according to claim 1 and pH value accurate measuring systems, which is characterized in that the sample tap
It is provided with multiple, the different height position of desulfurizing tower is arranged in multiple sample taps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820405039.5U CN208239250U (en) | 2018-03-25 | 2018-03-25 | A kind of density that can be self-cleaning and pH value accurate measuring systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820405039.5U CN208239250U (en) | 2018-03-25 | 2018-03-25 | A kind of density that can be self-cleaning and pH value accurate measuring systems |
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| CN208239250U true CN208239250U (en) | 2018-12-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362610A (en) * | 2018-03-25 | 2018-08-03 | 华电电力科学研究院有限公司 | A kind of density that can be self-cleaning and pH value accurate measuring systems and measurement method |
| CN112337884A (en) * | 2020-10-15 | 2021-02-09 | 郑州恒博环境科技股份有限公司 | Automatic cleaning device for pH meter of aluminum processing waste emulsion treatment system and control method |
-
2018
- 2018-03-25 CN CN201820405039.5U patent/CN208239250U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362610A (en) * | 2018-03-25 | 2018-08-03 | 华电电力科学研究院有限公司 | A kind of density that can be self-cleaning and pH value accurate measuring systems and measurement method |
| CN112337884A (en) * | 2020-10-15 | 2021-02-09 | 郑州恒博环境科技股份有限公司 | Automatic cleaning device for pH meter of aluminum processing waste emulsion treatment system and control method |
| CN112337884B (en) * | 2020-10-15 | 2023-10-27 | 郑州恒博环境科技股份有限公司 | Automatic cleaning device for pH meter of aluminum processing waste emulsion treatment system and control method |
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