CN209416959U - The pH measuring device arranged outside desulfuration absorbing tower - Google Patents
The pH measuring device arranged outside desulfuration absorbing tower Download PDFInfo
- Publication number
- CN209416959U CN209416959U CN201822235648.3U CN201822235648U CN209416959U CN 209416959 U CN209416959 U CN 209416959U CN 201822235648 U CN201822235648 U CN 201822235648U CN 209416959 U CN209416959 U CN 209416959U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- sampling
- outlet
- valve
- measuring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model provides a kind of pH measuring device that desulfuration absorbing tower is arranged outside, reduces desulfurization slurry loss, is conducive to repair and maintenance, improves the stability of desulphurization system operation.Sampling inlet pipeline converges pipeline with sampling import and connect；Inlet ductwork isolating valve, is mounted on sampling inlet pipeline；Flushing pipeline is converged pipeline with sampling import and is connect；Flushing valve is mounted in flushing pipeline；Sampling outlet pipeline converges pipeline with sampling outlet and connect；Export pipeline isolating valve, is mounted on sampling outlet pipeline；PH electrode intubation includes inlet tube, outlet and supervisor, and inlet tube and outlet are connected with supervisor；Sampling outlet converges pipeline and connect with outlet, and sampling import converges pipeline and connect with inlet tube；It is responsible for lower part connection emptying pipeline；Emptying valve is mounted on emptying pipeline；The pH probe of pH meter is arranged in supervisor.
Description
Technical field
The pH measuring device that the utility model relates to arrange outside a kind of desulfuration absorbing tower is led for coal fired power plant flue gas desulfurization
Domain.
Background technique
In order to reduce the discharge of atmosphere pollution sulfur dioxide, the substantially all mating desulphurization plant of the coal-burning boiler in China.
Limestone-gypsum wet desulfurization methods are because having the advantages such as technical matters is mature, operating cost is lower, desulfurization effect is high, in engineering
In be widely adopted.Absorption tower stock tank pH value is to influence whole system desulfuration efficiency extremely in limestone-gypsum wet desulphurisation system
Close important parameter.In the process of running, the optimum range of stock tank pH value is 5.8-6.2 to system.PH value is excessively high, though it can be improved
Slurries alkalinity, accelerates SO2Absorption rate, but be detrimental to the dissolution of absorbent lime stone, equipment scaling be easy to cause to block；
And too low pH value then will lead to SO2Absorption rate decline, system will be unable to reach desulfurization emission request.It is therefore desirable to right
Stock tank pH value carries out on-line checking.
Traditional desulfurization pH measuring device, which is directly installed on, to be absorbed in tower wall.This arrangement is unfavorable for repair and maintenance,
It is be easy to cause slurries splash when extracting pH meter, simultaneously because the effect of absorption tower side stirring, slurries swirl velocity is very fast, and pH meter is visited
Head abrasion is more serious.In recent years, there is Curve guide impeller pH meter being mounted in pH tank, slurries introduce pH storage from absorption tower
In tank.PH storage tank is equipped with overflow pipe and evacuated tube, after slurries are discharged into trench, into melt pit.This will lead to the slurries in absorption tower
It is lost, increases tower area melt pit system burden, be unfavorable for the even running of system.
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
The pH measuring device arranged outside the desulfuration absorbing tower of reason reduces desulfurization slurry loss, is conducive to repair and maintenance, improves desulfurization system
The stability of system operation.
The technical scheme in the invention for solving the above technical problem is: a kind of pH measurement that desulfuration absorbing tower is arranged outside
Device, it is characterised in that: including export pipeline isolating valve, sampling outlet pipeline, sampling outlet converge pipeline, pH electrode intubation,
Emptying pipeline, emptying valve, sampling import converge pipeline, flushing valve, flushing pipeline, sampling inlet pipeline, inlet ductwork every
Disconnected valve and pH meter；Sampling inlet pipeline converges pipeline with sampling import and connect；Inlet ductwork isolating valve, is mounted on sampling inlet tube
On road；Flushing pipeline is converged pipeline with sampling import and is connect；Flushing valve is mounted in flushing pipeline；Sampling outlet pipeline with take
Converge pipeline connection in sample outlet；Export pipeline isolating valve, is mounted on sampling outlet pipeline；PH electrode intubation includes inlet tube, goes out
Mouth pipe and supervisor, inlet tube and outlet are connected with supervisor；Sampling outlet converges pipeline and connect with outlet, and sampling import converges
Pipeline is closed to connect with inlet tube；It is responsible for lower part connection emptying pipeline；Emptying valve is mounted on emptying pipeline；The pH of pH meter pops one's head in
It is arranged in supervisor.
Sampling inlet pipeline described in the utility model is two-way, after two-way sampling inlet pipeline merges into all the way and is sampled
Import converges pipeline connection.
Sampling outlet pipeline described in the utility model is two-way, after two-way sampling outlet pipeline merges into all the way and is sampled
Converge pipeline connection in outlet.
Sampling outlet described in the utility model converges pipeline and outlet using flanged joint.
Sampling import described in the utility model converges pipeline and inlet tube using flanged joint.
Inlet tube described in the utility model is located at below outlet.
Sampling inlet pipeline described in the utility model, sampling outlet converge pipeline, sampling outlet pipeline, sampling import converge
Conjunction pipeline, emptying pipeline are that the GRP pipe of DN40 is made.
The GRP pipe that supervisor described in the utility model is DN80 is made.
The tube top spacing of outlet described in the utility model and supervisor are not more than 20cm.
Export pipeline isolating valve, emptying valve, flushing valve and inlet ductwork isolating valve, described in the utility model are
Wafer type butterfly valve.
The utility model compared with prior art, has the following advantages that and effect: it is online can to meet absorption tower stock tank pH value
Testing requirements will take back slurry circulating pump pipeline by the slurries of the utility model, reduce desulfurization slurry loss, be conducive to examine
Maintenance is repaired, the stability of desulphurization system operation is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
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.
Referring to Fig. 1, the utility model embodiment includes export pipeline isolating valve, 1, sampling outlet pipeline 2, sampling outlet remittance
Close pipeline 3, pH electrode is intubated 4, emptying pipeline 5, empty valve 6, sampling import converges pipeline 7, flushing valve 8, flushing pipeline
9, inlet pipeline 10, inlet ductwork isolating valve, 11 and pH meter 12 are sampled.
To avoid the stoppage in transit of desulfurization slurry circulating pump from impacting the utility model, sampling inlet pipeline 10 is two-way,
It is respectively used to connect with the outlet conduit of desulfurization slurry circulating pump A and desulfurization slurry circulating pump B.Two-way samples inlet pipeline 10 and converges
Converge pipeline 7 with sampling import after synthesis all the way to connect.Inlet ductwork isolating valve, 11 is mounted on sampling inlet pipeline 10.
Flushing pipeline 9 is converged pipeline 7 with sampling import and is connect.Flushing valve 8 is mounted in flushing pipeline 9.
Sampling outlet pipeline 2 is two-way, is respectively used to the import with desulfurization slurry circulating pump A and desulfurization slurry circulating pump B
Pipeline connection.Two-way sampling outlet pipeline 2 converges pipeline 3 with sampling outlet after merging into all the way and connect.Export pipeline isolating valve, 1
It is mounted on sampling outlet pipeline 2.
PH electrode intubation 4 includes inlet tube 41, outlet 42 and supervisor 43, inlet tube 41 and outlet 42 with supervisor 43
Connection.Sampling outlet converges pipeline 3 and outlet 42 using flanged joint, and sampling import converges pipeline 7 and inlet tube 41 uses
Flanged joint, flanged joint maintenance easy to disassemble.Simultaneously in order to come into full contact with pH probe with slurries, pH electrode intubation 4 is used
Bottom in and top out design, i.e. inlet tube 41 are located at 42 lower section of outlet.The tube top spacing of outlet 42 and supervisor 43 are 20cm, are guaranteed
PH probe can submerge in slurries.
It is responsible for 43 lower parts and passes through connection emptying pipeline 5 after reduced pipe.Emptying valve 6 is mounted on emptying pipeline 5.Evacuated tube
Road 5 is connected to the melt pit of absorption tower zone.
The pH probe setting of pH meter 12 is in supervisor 43.
Sampling inlet pipeline 10, sampling outlet converge pipeline 3, sampling outlet pipeline 2, sampling import converge pipeline 7, emptying
Pipeline 5 is that the GRP pipe of DN40 is made.Supervisor 43 is made for the GRP pipe of DN80.
Export pipeline isolating valve, emptying valve, flushing valve and inlet ductwork isolating valve, are wafer type butterfly valve, and spool
Material should be 2507.
In normal operation, the present embodiment need to only open an inlet ductwork isolating valve, 11 and export pipeline isolating valve, 1 just
The requirement of pH measurement can be met.The slurries for introducing the utility model reenter slurry circulating pump after pH electrode intubation 4
Inlet pipeline, avoid the problem of slurries are lost to absorption tower melt pit, reduce the frequency of use of sump pump.From serum recycle
The inlet and outlet of pump sample, and can accurately reflect the variation of stock tank pH value much sooner.Simultaneously because slurries in the utility model
Flow velocity is slower, can reduce the abrasion of pH probe, increase the service life of pH meter 12.In maintenance, inlet ductwork partition is closed
Valve 11 and export pipeline isolating valve, 1 can carry out disassembly maintenance, not will cause slurries splash.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different, and above content is only to the utility model structure example explanation described in this specification.
All equivalence changes or simple change done according to structure, feature and principle described in the concept of the patent of the utility model, are wrapped
It includes in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to described
Specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the knot of the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (10)
1. the pH measuring device arranged outside a kind of desulfuration absorbing tower, it is characterised in that: including export pipeline isolating valve, sampling outlet
Pipeline, sampling outlet converge pipeline, pH electrode intubation, emptying pipeline, emptying valve, sampling import converge pipeline, flushing valve,
Flushing pipeline, sampling inlet pipeline, inlet ductwork isolating valve, and pH meter；Sampling inlet pipeline and sampling import converge pipeline company
It connects；Inlet ductwork isolating valve, is mounted on sampling inlet pipeline；Flushing pipeline is converged pipeline with sampling import and is connect；Flushing valve
It is mounted in flushing pipeline；Sampling outlet pipeline converges pipeline with sampling outlet and connect；Export pipeline isolating valve, is mounted on sampling
On export pipeline；PH electrode intubation includes inlet tube, outlet and supervisor, and inlet tube and outlet are connected with supervisor；Sampling
Outlet converges pipeline and connect with outlet, and sampling import converges pipeline and connect with inlet tube；It is responsible for lower part connection emptying pipeline；Row
Empty valve is mounted on emptying pipeline；The pH probe of pH meter is arranged in supervisor.
2. the pH measuring device arranged outside desulfuration absorbing tower according to claim 1, it is characterised in that: the sampling into
Mouth pipeline is two-way, and two-way sampling inlet pipeline converges pipeline with sampling import after merging into all the way and connect.
3. the pH measuring device arranged outside desulfuration absorbing tower according to claim 1, it is characterised in that: the sampling goes out
Mouth pipeline is two-way, and two-way sampling outlet pipeline converges pipeline with sampling outlet after merging into all the way and connect.
4. the pH measuring device arranged outside desulfuration absorbing tower according to claim 1, it is characterised in that: the sampling goes out
Mouth converges pipeline and outlet using flanged joint.
5. the pH measuring device arranged outside desulfuration absorbing tower according to claim 1, it is characterised in that: the sampling into
Mouth converges pipeline and inlet tube using flanged joint.
6. the pH measuring device arranged outside desulfuration absorbing tower according to claim 1, it is characterised in that: the inlet tube
Below outlet.
7. the pH measuring device arranged outside desulfuration absorbing tower according to claim 1, it is characterised in that: the sampling into
The glass that mouthful pipeline, sampling outlet converge pipeline, sampling outlet pipeline, sampling import converge pipeline, emptying pipeline is DN40
Steel conduit is made.
8. the pH measuring device arranged outside desulfuration absorbing tower according to claim 1, it is characterised in that: the supervisor is
The GRP pipe of DN80 is made.
9. the pH measuring device arranged outside desulfuration absorbing tower according to claim 1, it is characterised in that: the outlet
It is not more than 20cm with the tube top spacing of supervisor.
10. the pH measuring device arranged outside desulfuration absorbing tower according to claim 1, it is characterised in that: the outlet
Pipeline isolating valve, emptying valve, flushing valve and inlet ductwork isolating valve, are wafer type butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822235648.3U CN209416959U (en) | 2018-12-28 | 2018-12-28 | The pH measuring device arranged outside desulfuration absorbing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822235648.3U CN209416959U (en) | 2018-12-28 | 2018-12-28 | The pH measuring device arranged outside desulfuration absorbing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209416959U true CN209416959U (en) | 2019-09-20 |
Family
ID=67941354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822235648.3U Active CN209416959U (en) | 2018-12-28 | 2018-12-28 | The pH measuring device arranged outside desulfuration absorbing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209416959U (en) |
-
2018
- 2018-12-28 CN CN201822235648.3U patent/CN209416959U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102489144B (en) | Measure apparatus of flue gas desulphurization slurry pH value and density by using wet method | |
| CN206945475U (en) | Wet flue gas desulfurization tower serum density and pH measurement apparatus | |
| CN205650049U (en) | Wet flue gas desulfurization pH value monitoring system | |
| CN206656936U (en) | A kind of device for improving desulfurizing tower pH value and Density Detection accuracy | |
| CN202683067U (en) | Continuous on-line measurement device for Potential of Hydrogen (pH) value and density of exhaust gas wet desulphurization parget slurry fluid | |
| CN208254996U (en) | A kind of flue gas wet flue gas desulfurization gypsum slurries are in line density and pH value combined measurement device | |
| CN209416959U (en) | The pH measuring device arranged outside desulfuration absorbing tower | |
| CN209166524U (en) | A kind of wet desulphurization slurry pH value and density joint-detection device | |
| CN206772755U (en) | A kind of measuring system of desulfurization carbide slag slurry parameter | |
| CN102012352A (en) | Device for measuring density and pH value of slurry | |
| CN201355354Y (en) | Pipeline system for measuring pH value of slurry of desulfuration absorption tower | |
| CN209656494U (en) | Slurry density measurement device in a kind of desulfurizing tower suitable for calcium method desulfurization | |
| CN201909770U (en) | Multifunctional slurry performance measuring device | |
| CN205991989U (en) | A kind of lime stone slurry pH value measures sampler | |
| CN201247222Y (en) | Device for testing gypsum slurry pH | |
| CN208911757U (en) | PH measuring device and desulfuration absorbing tower | |
| CN203772778U (en) | PH online measuring device for desulfurization absorption tower | |
| CN207717734U (en) | Desulphurization system slurry pH value, density comprehensive measurement device | |
| CN209624537U (en) | A kind of pH value of absorption column measuring device | |
| CN210347387U (en) | Device for synchronously measuring pH value and density of wet desulphurization slurry | |
| CN207798336U (en) | A kind of block-resistant type catalysis flue gas turbine inlet pressure stability measuring device | |
| CN201408157Y (en) | Density and pH valve measuring device for wet flue gas desulfurization slurry | |
| CN210894189U (en) | PH value measurement system used on desulfurization absorption tower | |
| CN214310022U (en) | Accurate measurement system of wet flue gas desulfurization thick liquid density and PH meter | |
| CN221100581U (en) | Online pH measuring equipment of desulfurization thick liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |