CN208505956U - A kind of device of on-line continuous detection catalyst reaction liquid pH value - Google Patents
A kind of device of on-line continuous detection catalyst reaction liquid pH value Download PDFInfo
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- CN208505956U CN208505956U CN201821041453.9U CN201821041453U CN208505956U CN 208505956 U CN208505956 U CN 208505956U CN 201821041453 U CN201821041453 U CN 201821041453U CN 208505956 U CN208505956 U CN 208505956U
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- reaction liquid
- catalyst reaction
- sampling pool
- line
- sampling
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- 239000003054 catalyst Substances 0.000 title claims abstract description 81
- 239000012295 chemical reaction liquid Substances 0.000 title claims abstract description 74
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 238000005070 sampling Methods 0.000 claims abstract description 49
- 238000011010 flushing procedure Methods 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 15
- 230000008676 import Effects 0.000 claims abstract description 6
- 239000011521 glass Substances 0.000 claims description 13
- 239000000523 sample Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010612 desalination reaction Methods 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 12
- 239000007788 liquid Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- -1 viscosity is high Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of device of on-line continuous detection catalyst reaction liquid pH value, including catalyst reaction liquid storage tank, catalyst reaction liquid conveyance conduit is communicated on catalyst reaction liquid storage tank, catalyst reaction liquid conveyance conduit is equipped with pump, the circulating line with pump parallel arrangement is additionally provided on catalyst reaction liquid conveyance conduit, circulating line is equipped with sampling pool；The catalyst reaction liquid import of sampling pool is located at the lower part of sampling pool, and the outlet of catalyst reaction liquid is located at the top of sampling pool；Insulating layer is surrounded by outside catalyst reaction liquid conveyance conduit, circulating line and sampling pool；The top of sampling pool is communicated with flushing pipe, and sampling bottom of pond portion is communicated with Drainage pipe；On-line pH value meter is equipped in sampling pool.The utility model improves the accuracy and precision of measurement, and is convenient for the maintenance of pH value meter.
Description
Technical field
The utility model belongs to catalyst production field, is related to a kind of dress of on-line continuous detection catalyst reaction liquid pH value
It sets.
Background technique
In catalyst production process, needing on-line continuous measurement catalyst reaction liquid, (viscosity higher, higher particulate matter contain
Amount) pH value control and monitor technical process.
Common survey device is that directly the glass electrode that liquid is filled is mounted on the process pipe full of flow media,
This mounting means is relatively simple, but since process units is in dynamic process, in process pipe media flow state and
Temperature change is unstable, for example, process pipe is in underfill state sometimes, causes pH measuring probe that can not be completely immersed in reaction
In liquid, these can all bring relatively large deviation to measurement, reduce measurement accuracy.
Utility model content
Aiming at the problems existing in the prior art, the utility model provides a kind of on-line continuous detection catalyst reaction liquid pH
The device of value, improves measurement accuracy.
The utility model is to be achieved through the following technical solutions:
A kind of device of on-line continuous detection catalyst reaction liquid pH value, including catalyst reaction liquid storage tank, catalyst are anti-
It answers and is communicated with catalyst reaction liquid conveyance conduit on liquid storage tank, catalyst reaction liquid conveyance conduit is equipped with pump, catalyst reaction
The circulating line with pump parallel arrangement is additionally provided on liquid conveyance conduit, circulating line is equipped with sampling pool；The catalyst of sampling pool
Reaction solution import is located at the lower part of sampling pool, and the outlet of catalyst reaction liquid is located at the top of sampling pool；The conveying of catalyst reaction liquid
Insulating layer is surrounded by outside pipeline, circulating line and sampling pool；The top of sampling pool is communicated with flushing pipe, and sampling bottom of pond portion connects
It is connected with Drainage pipe；On-line pH value meter is equipped in sampling pool.
Preferably, the pH measuring probe of on-line pH value meter is the glass electrode or non-glass type electrode of polymer-filled.
Preferably, it is equipped with pneumatically on the catalyst reaction liquid inlet pipeline of sampling pool and catalyst reaction liquid outlet conduit
Stop valve.
Preferably, valve is equipped on the catalyst reaction liquid inlet pipeline of pump and catalyst reaction liquid outlet conduit.
Preferably, pneumatic cut-off valve is equipped on flushing pipe and Drainage pipe.
It preferably, further include desalination water storage tank, the import of flushing pipe and the outlet of desalination water storage tank.
Compared with prior art, the utility model has technical effect beneficial below:
The device of on-line continuous detection catalyst reaction liquid pH value described in the utility model, is on the circulating line of pump
Equipped with sampling pool, because circulating line diameter compared with process pipe greatly reduces, the circulating line moment, which is in, is full of shape
State, and sampling pool uses the pipe design of low in and high out, is better able to ensure that pH measuring probe is completely immersed in catalyst reaction
In liquid, guarantee the accurate reliability of measurement；It is surrounded by outside catalyst reaction liquid conveyance conduit, circulating line and sampling pool simultaneously
Insulating layer, it is ensured that the temperature of catalyst reaction liquid is stablized, and the accuracy and precision of measurement are further increased.The utility model is also set
Flushing pipe and Drainage pipe have been set, it is convenient that pH measuring probe get express developed and periodically takes out verification, convenient for pH meter
Maintenance.
Further, since measuring medium is catalyst reaction liquid, viscosity is high, and solid content is high, general liquid glass electrode
Deviation is larger when measuring slurry medium and service life is shorter.The utility model pH measuring probe does not use liquid filling glass
Electrode is changed to extend pH using the polymer-filled glass electrode or non-glass type electrode that can adapt to catalyst reaction liquid
It is worth the service life of meter.
Further, gas is equipped on the catalyst reaction liquid inlet pipeline of sampling pool and catalyst reaction liquid outlet conduit
Stop valve is moved, is equipped with pneumatic cut-off valve on flushing pipe and Drainage pipe.Each pneumatic cutting can be controlled by control system
The on-off of valve improves the degree of automation, reduces worker's workload.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1 is catalyst reaction liquid storage tank, and 2 be pump, and 3 be sampling pool, and 4 be the first pneumatic cut-off valve, and 5 be the second gas
Dynamic stop valve, 6 be on-line pH value meter, and 7 be third pneumatic cut-off valve, and 8 be the 4th pneumatic cut-off valve, and 9 be desalination water storage tank.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
In order to solve the problems, such as on-line continuous monitoring catalyst reaction liquid pH value, the utility model provides a kind of on-line continuous
Detect the device of catalyst reaction liquid pH value.Small-sized pipeloop is configured outside catalyst reaction liquid storage tank 1 (or borrows pump circulation
Pipeline), sampling pool 3 is set on pipeloop, and the setting of sampling pool 3 is rinsed and tapping line.
Specifically, as shown in Figure 1, utility model device includes catalyst reaction liquid storage tank 1, catalyst reaction liquid storage tank
1 exports through catalyst reaction liquid conveyance conduit, and catalyst reaction liquid conveyance conduit is equipped with pump 2, pumps 2 inlet pipeline and outlet
Pipeline is equipped with valve, is equipped with circulation pipe on the input end and outlet conduit of valve between the outlet end of valve on inlet pipeline
Road, circulating line are equipped with sampling pool 3.The catalyst reaction liquid import of sampling pool 3 is located at the lower part of sampling pool 3, and catalyst is anti-
Liquid outlet is answered to be located at the top of sampling pool 3.Guarantor is surrounded by outside catalyst reaction liquid conveyance conduit, circulating line and sampling pool 3
Warm layer.First is respectively equipped on the catalyst reaction liquid inlet pipeline and catalyst reaction liquid outlet conduit of sampling pool 3 pneumatically to cut
Disconnected valve 4 and the second pneumatic cut-off valve 5.
On-line pH value meter 6 is equipped in sampling pool 3, pH measuring probe is the glass electrode or non-glass type electricity of polymer-filled
Pole.
The upper end of sampling pool 3 is communicated with flushing pipe, and flushing pipe is equipped with third pneumatic cut-off valve 7；3 bottom of sampling pool
It is communicated with Drainage pipe, Drainage pipe leads to trench, and Drainage pipe is equipped with the 4th pneumatic cut-off valve 8.
Whole device outsourcing insulating layer maintains cyclic process catalyst reaction liquid temperature to stablize.
On-line continuous detects catalyst reaction liquid pH value device technique process description:
1, measured medium is catalyst reaction liquid, and pH measuring probe do not use liquid filling glass electrode, be changed to using
It can adapt to the polymer-filled glass electrode or non-glass type electrode of catalyst reaction liquid, so as to extend pH value meter 6
Service life.
2, the device obtains steady flow medium by the pipeloop of pump 2.
3, sampling pool 3 uses low in and high out, it is ensured that pH measuring probe is completely immersed in catalyst reaction liquid, and it is quasi- to improve measurement
Exactness.
4, flushing pipe is equipped at the top of sampling pool 3, bottom is equipped with Drainage pipe, gas is arranged on flushing pipe and Drainage pipe
Dynamic stop valve, it is convenient get express developed to pH measuring probe and periodically take out verification.When starting flushing operation, sampling pool 3
Second on the first pneumatic cut-off valve 4 and catalyst reaction liquid outlet conduit on catalyst reaction liquid inlet pipeline is pneumatically cut off
Valve 5 is automatically closed, and the 4th on third pneumatic cut-off valve 7 and Drainage pipe on 3 upper rinse pipeline of sampling pool pneumatically cuts off
Valve 8 automatically opens, and is rinsed 15~20 seconds using desalted water；Third after flushing operation, on 3 upper rinse pipeline of sampling pool
The 4th pneumatic cut-off valve 8 on pneumatic cut-off valve 7 and Drainage pipe is automatically closed, the catalyst reaction liquid inlet tube of sampling pool 3
The second pneumatic cut-off valve 5 on the first pneumatic cut-off valve 4 and catalyst reaction liquid outlet conduit on road automatically opens, into
Line detects operating process.
The advantage of on-line continuous detection catalyst reaction liquid pH value device described in the utility model is:
1, using novel pH measuring probe, extend pH electrode to a certain extent and use the longevity in catalyst reaction liquid
Life.
2, whole device the degree of automation is higher.
3, since sampling pool 3 is arranged on circulating line, the catalyst reaction liquid stream dynamic stability of circulating line, and low in and high out
Setting, can guarantee that pH probe is completely immersed in always in catalyst reaction liquid, therefore improve measurement accuracy.
4, pass through setting clean-up line, maintenance convenient for safeguarding.
Claims (6)
1. a kind of device of on-line continuous detection catalyst reaction liquid pH value, which is characterized in that including catalyst reaction liquid storage tank
(1), it is communicated with catalyst reaction liquid conveyance conduit on catalyst reaction liquid storage tank (1), is set on catalyst reaction liquid conveyance conduit
Have pump (2), the circulating line with pump (2) parallel arrangement is additionally provided on catalyst reaction liquid conveyance conduit, circulating line is equipped with
Sampling pool (3)；The catalyst reaction liquid import of sampling pool (3) is located at the lower part of sampling pool (3), and the outlet of catalyst reaction liquid is located at
The top of sampling pool (3)；Insulating layer is surrounded by outside catalyst reaction liquid conveyance conduit, circulating line and sampling pool (3)；Sampling
The top in pond (3) is communicated with flushing pipe, and sampling pool (3) bottom is communicated with Drainage pipe；On-line pH value is equipped in sampling pool (3)
It counts (6).
2. the device of on-line continuous detection catalyst reaction liquid pH value according to claim 1, which is characterized in that online pH
The pH measuring probe of value meter (6) is the glass electrode or non-glass type electrode of polymer-filled.
3. the device of on-line continuous detection catalyst reaction liquid pH value according to claim 1, which is characterized in that sampling pool
(3) pneumatic cut-off valve is equipped on catalyst reaction liquid inlet pipeline and catalyst reaction liquid outlet conduit.
4. the device of on-line continuous detection catalyst reaction liquid pH value according to claim 1, which is characterized in that pump (2)
Catalyst reaction liquid inlet pipeline and catalyst reaction liquid outlet conduit on be equipped with valve.
5. the device of on-line continuous detection catalyst reaction liquid pH value according to claim 1, which is characterized in that flushing pipe
Pneumatic cut-off valve is equipped on road and Drainage pipe.
6. the device of on-line continuous detection catalyst reaction liquid pH value according to claim 1, which is characterized in that further include
Desalination water storage tank (9), the import of flushing pipe and the outlet of desalination water storage tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821041453.9U CN208505956U (en) | 2018-06-29 | 2018-06-29 | A kind of device of on-line continuous detection catalyst reaction liquid pH value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821041453.9U CN208505956U (en) | 2018-06-29 | 2018-06-29 | A kind of device of on-line continuous detection catalyst reaction liquid pH value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208505956U true CN208505956U (en) | 2019-02-15 |
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ID=65282382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821041453.9U Active CN208505956U (en) | 2018-06-29 | 2018-06-29 | A kind of device of on-line continuous detection catalyst reaction liquid pH value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208505956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108950590A (en) * | 2018-07-11 | 2018-12-07 | 青海盐湖工业股份有限公司 | A kind of system and method for primary brine quality in control chlor-alkali production |
-
2018
- 2018-06-29 CN CN201821041453.9U patent/CN208505956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108950590A (en) * | 2018-07-11 | 2018-12-07 | 青海盐湖工业股份有限公司 | A kind of system and method for primary brine quality in control chlor-alkali production |
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