CN108548848A - A kind of on-line automatic bubbling device of pH meter - Google Patents
A kind of on-line automatic bubbling device of pH meter Download PDFInfo
- Publication number
- CN108548848A CN108548848A CN201810359802.XA CN201810359802A CN108548848A CN 108548848 A CN108548848 A CN 108548848A CN 201810359802 A CN201810359802 A CN 201810359802A CN 108548848 A CN108548848 A CN 108548848A
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- meter
- mounting seat
- connecting cylinder
- gas source
- line automatic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Cleaning In General (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The present invention relates to a kind of on-line automatic bubbling devices of pH meter, including rain-proof lid, connecting cylinder, mounting seat and gas source pipe, the connecting cylinder is vertically arranged, the rain-proof lid is connect with the upper end of the connecting cylinder, the mounting seat is connect with the lower end of the connecting cylinder, sealed chamber is equipped in the mounting seat, it is fixed with pH meter in the sealed chamber, the inlet end of the gas source pipe connects compressed air, the outlet side of the gas source pipe sequentially passes through rain-proof lid and connecting cylinder, and extend into the sealed chamber in the mounting seat, and pH meter described in face.The present invention cleans the pH meter of detection sewage or other easy crystallization solutions using compressed air, is added without other media, does not influence the pH value of surveyed solution, and simple in structure, easily operated, work efficiency is high.
Description
Technical field
The present invention relates to a kind of on-line automatic bubbling device of pH meter, it is related to measuring under the muddy easily fouling environment of medium, one
Kind carries out pH meter using compressed air in the device of on-line automatic flushing.
Background technology
PH meter is a kind of common instrument and equipment, is mainly used to the pH value of accurate measurement liquid medium, is mixed corresponding
Ion-selective electrode can also measure ion electrode current potential MV values, pH meter be widely used in environmental protection, sewage disposal, scientific research,
The fields such as pharmacy, fermentation, chemical industry, cultivation, tap water.The instrument is also in food factory, drinking water administrative office in a factory QS, HACCP certification
Indispensability examines equipment.
However, pH meter, in being used in the environment that medium easily crystallizes, the easy fouling of pH meter causes to measure inaccuracy, needs regular
PH meter is cleared up.The pH meter being commonly used at least needs cleaning primary daily.And traditional artificial cleaning method wants two people
Operation, it is time-consuming and laborious, and cleaning performance is bad, influences measurement accuracy and service life.
Invention content
The operating mode that the technical problem to be solved by the present invention is to easily be crystallized for scene, pH meter are needed in using measurement process
It periodically artificially to clean to ensure the cleaning of pH meter probe, measure the inaccurate, drawbacks such as not in time, a kind of automatic purging effect is provided
Fruit is good, the flexible simply on-line automatic bubbling device of pH meter of operation, time saving and energy saving.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of on-line automatic bubbling device of pH meter, feature
It is, including rain-proof lid, connecting cylinder, mounting seat and gas source pipe, the connecting cylinder is vertically arranged, the rain-proof lid and institute
The upper end connection of connecting cylinder is stated, the mounting seat is connect with the lower end of the connecting cylinder, and sealing is equipped in the mounting seat
Chamber, pH meter is fixed in the sealed chamber, and the inlet end of the gas source pipe connects compressed air, the outlet of the gas source pipe
End sequentially passes through rain-proof lid and connecting cylinder, and extend into the sealed chamber in the mounting seat, and pH meter described in face
The beneficial effects of the invention are as follows：The present invention is using compressed air to the pH meter of detection sewage or other easy crystallization solutions
It is cleaned, is added without other media, do not influence the pH value of surveyed solution, and simple in structure, easily operated, working efficiency
It is high.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the gas source pipe is set side by side with two.
Advantageous effect using above-mentioned further scheme is：Sky of the compressed air that two gas source pipes spray in opposing seal
Interior formation purges whirlpool, can preferably clean pH meter.
Further, the inlet end of two gas source pipes is respectively connected to two ports of slotting threeway soon, described to insert three soon
Another logical port connects compressed air.
Further, another port of the fast slotting threeway is connect by two-position three way magnetic valve with compressed air.
Compressed air in the present invention can be generated by air compressor, and compressed air pressure P is 4-5bar, air intake
It is connected to external environment, gas outlet is connected to the air inlet of two-position three way magnetic valve, the gas outlet pressure of two-position three way magnetic valve
Contracting air is connected with fast another port for inserting threeway, and (two-position three way magnetic valve of the invention is using this for another exhaust outlet closure
The specification of field internal standard passes through electromagnetism if there are two operating position, an air inlet, a gas outlet and an exhaust outlets
Valve obtains electric dead electricity, and whether control gas outlet has compressed air).
Advantageous effect using above-mentioned further scheme is：Two-position three way magnetic valve is mountable to DCS switchgear houses, obtains dead electricity
It is controlled by DCS relays, two-position three way magnetic valve controls the break-make of compressed air by DCS programs, and controls compressed air
Purging and time of measuring are flexibly arranged according to onsite application situation by DCS programs for make-and-break time, realize and are rinsed to the interval of pH meter,
That is sampling and the intermittent progress of purging, is independent of each other.
DCS is the english abbreviation (Distributed Control System) of dcs, at home automatic control
Industry is also referred to as Distributed Control System.It is a kind of novel computer control system for centralized control system,
It is to develop on the basis of centralized control system, develop.DCS is computer technology, control technology and network skill
The product that art height combines.Several controllers (process station) of DCS generally uses are to numerous control points in a production process
It is controlled, by network connection and data exchange can be carried out between each controller.Operation uses computer operator station, passes through network
It is connect with controller, collects creation data, convey operational order.Therefore, the main feature of DCS, which is attributed to, is in short exactly：Point
Dissipate control centralized management.The control decision of DCS is completed by process control station, so control program is held by process control station
Capable.The process control station of DCS is a complete computer system, is mainly connect by power supply, CPU (central processing unit), network
Mouth and I/O compositions.Two-bit triplet solenoid valve electric dead electricity is to be controlled by the digital output DO point break-makes of DCS, when power on/off
Between controlled by DCS by writing program.
Further, the outlet side of two gas source pipes has difference in height, wherein the outlet side of a gas source pipe corresponds to pH
The probe position of meter, the top setting in outlet side of another gas source pipe；The outlet side of two gas source pipes also has differential seat angle,
The outgassing direction angle of outlet side differs 180 degree.
Advantageous effect using above-mentioned further scheme is：The probe position of the outlet side face pH meter lower end of a piece gas source pipe
It sets, the special dirt cleaned at probe, another root long degree is slightly shorter, the top setting of outlet end position, such as can correspond to pH meter
Middle part, clean the dirt on pH meter, have difference in height in this way, can preferably form purging whirlpool, if it is highly consistent,
Gas conflicts mutually, is unfavorable for cleaning；And it is more complete in order to purge range that two gas source pipe outgassing directions, which have 180 degree differential seat angle,
Face.
Further, the mounting seat inner hollow and be equipped with mounting plate, the lower end of the mounting seat is connected with sealing
Lid, the region in the mounting seat between the mounting plate and the sealing cover form sealed chamber.
Further, the through hole that the mounting hole for installing pH meter and gas supply source capsule pass through is provided on the mounting plate.
Further, it is provided on the sealing cover and measures liquid into hole, the side wall of the mounting seat is equipped with communication seals
The gas vent of chamber.
Advantageous effect using above-mentioned further scheme is：It measures liquid and enters sealing for purging interval measurement medium into hole
Chamber carries out sampled measurements or sealed chamber is discharged, and compressed air of the gas vent for sealed chamber to be discharged when purging.
Further, the rain-proof lid connect coarse-pitch thread connection with the upper end of the connecting cylinder by rain-proof lid, described
Mounting seat connect coarse-pitch thread connection with the lower end of the connecting cylinder by pedestal.
Coarse-pitch thread, that is, coarse thread is general standard screw thread, can facilitate the interchangeability for realizing equipment connection.Coarse thread
Equal length tooth number is few, and because of the sectional dimension bigger of each tooth, stress is good, more suitable for bearing larger pulling force and impact force.
Opposite, fine thread screw pitch smaller, compared with coarse thread, in identical reach, the tooth of fine thread screw-in
Number is more, you can to play the role of reducing fluid leakage, therefore used in the occasion for needing to seal.The above-mentioned connection pair of the present invention
Simultaneously no requirement (NR) is sealed, so coarse-pitch thread of the selection convenient for exchange connection.Sealing cover can also pass through coarse-pitch thread and mounting seat
Lower end connects.
Further, the mounting flange for fixing whole device is also associated on the connecting cylinder.
Advantageous effect using above-mentioned further scheme is：Mounting flange welds together with connecting cylinder lateral wall, is used for
Fixed whole device.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the on-line automatic bubbling device of pH meter of the present invention；The specially device is faced
Sectional view.
In attached drawing, parts list represented by the reference numerals are as follows：
1, rain-proof lid, 2, rain-proof lid connect coarse-pitch thread, 3, mounting flange, 4, connecting cylinder, 5, pedestal connect coarse-pitch thread,
6, gas source pipe, 7, mounting hole, 8, gas vent, 9, pH electrodes, 10, measure inlet opening, 11, insert threeway soon, 12, two-position three-way electromagnetic
Valve.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, the present invention relates to a kind of on-line automatic bubbling device of pH meter, including rain-proof lid 1, connecting cylinder 4, peace
Dress pedestal and gas source pipe 6, the connecting cylinder 4 are vertically arranged, and the rain-proof lid 1 is connect with the upper end of the connecting cylinder 4, described
Mounting seat is connect with the lower end of the connecting cylinder 4, and sealed chamber is equipped in the mounting seat, is fixed in the sealed chamber
There are pH meter 9, the inlet end of the gas source pipe 6 to connect compressed air, the outlet side of the gas source pipe 6 sequentially passes through rain-proof lid 1
It with connecting cylinder 4, and extend into the sealed chamber in the mounting seat, and pH meter 9 described in face.The present invention is empty using compression
Gas cleans the pH meter 9 of detection sewage or other easy crystallization solutions, is added without other media, does not influence the pH of surveyed solution
Value, and it is simple in structure, and easily operated, work efficiency is high.
In a specific embodiment, the gas source pipe 6 is set side by side with two, and the compression that two gas source pipes 6 spray is empty
Gas forms purging whirlpool in the space of opposing seal, can preferably clean pH meter 9.Specific gas source pipe uses 8 gas source pipe (∮ of ∮
The pipeline that 8 i.e. nozzle diameter is 8mm).
On the basis of the above embodiments, it can also be improved：
Preferably, the inlet end of two gas source pipes 6 is respectively connected to two ports of slotting threeway 11 soon, described fast slotting
Another port of threeway 11 connects compressed air.Another port of the fast slotting threeway 11 passes through two-position three way magnetic valve 12
It is connect with compressed air.Two-position three way magnetic valve 12 is mountable to DCS switchgear houses, obtains dead electricity and is controlled by DCS relays, two three
Three-way electromagnetic valve 12 controls the break-make of compressed air by DCS programs, and control the make-and-break time of compressed air by DCS programs according to
Purging and time of measuring is flexibly arranged in onsite application situation, realizes and is rinsed to the interval of pH meter, i.e., sampling with purge it is intermittent into
Row, is independent of each other.
Preferably, the outlet side of two gas source pipes 6 has difference in height, wherein the outlet side of a gas source pipe 6 corresponds to
The probe position of pH meter 9, the top setting in outlet side of another gas source pipe 6.The outlet side of two gas source pipes 6 can be set
Camber is counted, bowing out corresponding radian makes the outgassing direction face pH meter 9 of outlet side, and two gas source pipes 6 can also design
At positioned at the both sides of pH meter 9, the probe positions of 9 lower end of outlet side face pH meter of a gas source pipe 6 are special to clean at probe
Dirt, another root long degree is slightly shorter, the top setting of outlet end position, such as can correspond to the middle part of pH meter 9, cleans on pH meter 9
Dirt, have difference in height in this way, can preferably form purging whirlpool, if it is highly consistent, gas conflicts mutually, unfavorable
In cleaning.Also there is differential seat angle, the outgassing direction angle of outlet side to differ 180 degree for the outlet side of two gas source pipes, this is
In order to purge range more comprehensively.Specifically, two gas source pipes 6 can be separately positioned on the opposite both sides of pH meter 9, wherein a gas
The outlet side outgassing direction of source capsule 6 is towards the probe position of 9 lower end of pH meter, horizontally toward side, the outlet of another gas source pipe 6
Hold outgassing direction towards the middle part of pH meter 9, horizontally toward the other side, the outgassing direction of two outlet sides differ 180 degree.
In another specific embodiment, the mounting seat inner hollow is simultaneously equipped with mounting plate, the mounting seat
Lower end is connected with sealing cover, and the region in the mounting seat between the mounting plate and the sealing cover forms sealing
Chamber.
On the basis of the above embodiments, it can also be improved：
Preferably, the perforation that the mounting hole 7 for installing pH meter 9 and gas supply source capsule 6 pass through is provided on the mounting plate
Hole.Mounting hole 7 can be designed to that threaded hole, the upper end of pH meter 9 are sealably coupled on mounting plate, and the probe of main body and lower end is all
In sealed chamber, and the size of through hole, number and position are corresponding with gas source pipe 6, according to a upper embodiment, there is two gas
Source capsule 6, respectively in the both sides of pH meter 9, that through hole is also configured as two, respectively in the both sides of mounting hole 7.Correspondingly, anti-
The side of rain lid 1 is also provided with there are two the perforation passed through for two gas source pipes 6, and two gas source pipes 6 are inserted into from two perforation
In to rain-proof lid 1 and bending is passed down through connecting cylinder 4, and extends in sealed chamber.The aperture of through hole and perforation
To be set as 2cm or so.
Preferably, it is provided on the sealing cover and measures liquid into hole 10, the side wall of the mounting seat is close equipped with being connected to
Seal the gas vent 8 of chamber.The through-hole of aperture 2cm in centre position of sealing cover or so can be provided in into hole 10 by measuring liquid,
Enter sealed chamber progress sampled measurements or discharge sealed chamber for purging interval measurement medium.And mounting seat corresponds to sealing
Gas vent 8 is arranged in the side wall of chamber, and seal chamber indoor compressed air is discharged when for purging and measure, specifically, can be
A gas vent 8 is respectively set in the both sides of side wall, and aperture is in 2cm or so.
On the basis of above-mentioned whole embodiments and enlargement technology, it can also be improved as follows：The rain-proof cover
Son 1 connect coarse-pitch thread 2 by rain-proof lid with the upper end of the connecting cylinder 4 and connects, the mounting seat and the connecting cylinder 4
Lower end connects coarse-pitch thread 5 by pedestal and connects.The lower end of sealing cover and mounting seat is connected by coarse-pitch thread.The connecting cylinder 4
On be also associated with mounting flange 3 for fixing whole device, specifically, mounting flange 3 and the lateral wall of connecting cylinder 4 are welded on
Together, for fixing whole device.
The course of work of the present invention is as follows：DCS programs provide open command, and DCS relays are connected, two-position three way magnetic valve
12 it is electric, compressed air passes sequentially through two-position three way magnetic valve 12 and soon slotting threeway 11, until in two gas source pipes 6, at installation bottom
In the opposing seal chamber that seat and sealing cover are formed, two bursts of compressed airs form purging whirlpool, are fully purged to PH meters 9
(extra compressed air is discharged from the measurement inlet opening 10 of gas vent 8 and bottom)；After flushing times reach DCS setting times,
DCS programs provide shutdown command, and DCS relays disconnect, 12 dead electricity of two-position three way magnetic valve, and non-compressed air is defeated in gas source pipe 6
Go out, starts to enter measurement medium by the measurement inlet opening 10 of bottom in sealed chamber, seal chamber interior compression air is by gas vent 8
Discharge, PH meters 9 enter working condition, after detection measures medium pH value and exports as a result, measuring state reaches DCS setting times,
After measurement, start flushing processes next time, measures medium and be discharged from inlet opening 10 is measured.When flushing processes and measurement process
Between setting can flexibly be set by DCS programs according to field medium type and service condition etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of on-line automatic bubbling device of pH meter, which is characterized in that including rain-proof lid (1), connecting cylinder (4), mounting seat
With gas source pipe (6), the connecting cylinder (4) is vertically arranged, and the rain-proof lid (1) connect with the upper end of the connecting cylinder (4), institute
It states mounting seat to connect with the lower end of the connecting cylinder (4), is equipped with sealed chamber in the mounting seat, in the sealed chamber
It is fixed with pH meter (9), the inlet end of the gas source pipe (6) connects compressed air, and the outlet side of the gas source pipe (6) sequentially passes through
Rain-proof lid (1) and connecting cylinder (4), and extend into the sealed chamber in the mounting seat, and pH meter described in face (9).
2. the on-line automatic bubbling device of a kind of pH meter according to claim 1, which is characterized in that the gas source pipe (6) is arranged side by side
It is provided with two.
3. the on-line automatic bubbling device of a kind of pH meter according to claim 2, which is characterized in that two gas source pipes (6)
Inlet end be respectively connected to two ports of slotting threeway (11) soon, another port connection compression of the fast slotting threeway (11)
Air.
4. the on-line automatic bubbling device of a kind of pH meter according to claim 3, which is characterized in that the fast slotting threeway (11)
Another port is connect by two-bit triplet solenoid valve (12) with compressed air.
5. the on-line automatic bubbling device of a kind of pH meter according to claim 2, which is characterized in that two gas source pipes (6)
Outlet side have difference in height, wherein the outlet side of a gas source pipe (6) corresponds to the probe position of pH meter (9), another air source
Manage the top setting in outlet side of (6).
6. the on-line automatic bubbling device of a kind of pH meter according to claim 1, which is characterized in that in the mounting seat inside
Sky is simultaneously equipped with mounting plate, and the lower end of the mounting seat is connected with sealing cover, and the mounting plate is located in the mounting seat
Region between the sealing cover forms sealed chamber.
7. the on-line automatic bubbling device of a kind of pH meter according to claim 6, which is characterized in that be provided on the mounting plate
The through hole that mounting hole (7) and gas supply source capsule (6) for installing pH meter (9) pass through.
8. the on-line automatic bubbling device of a kind of pH meter according to claim 6, which is characterized in that be provided on the sealing cover
Liquid is measured into hole (10), the side wall of the mounting seat is equipped with the gas vent (8) of communication seals chamber.
9. according to a kind of any one of claim 1 to 8 on-line automatic bubbling device of pH meter, which is characterized in that the rain-proof
Lid (1) and the upper end of the connecting cylinder (4) connect coarse-pitch thread (2) connection by rain-proof lid, the mounting seat with it is described
The lower end of connecting cylinder (4) connects coarse-pitch thread (5) by pedestal and connects.
10. according to a kind of any one of claim 1 to 8 on-line automatic bubbling device of pH meter, which is characterized in that the connection
The mounting flange (3) for fixing whole device is also associated on cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359802.XA CN108548848B (en) | 2018-04-20 | 2018-04-20 | Online automatic device that blasts of pH meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359802.XA CN108548848B (en) | 2018-04-20 | 2018-04-20 | Online automatic device that blasts of pH meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108548848A true CN108548848A (en) | 2018-09-18 |
| CN108548848B CN108548848B (en) | 2021-04-13 |
Family
ID=63511914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810359802.XA Active CN108548848B (en) | 2018-04-20 | 2018-04-20 | Online automatic device that blasts of pH meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN108548848B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109439510A (en) * | 2018-11-12 | 2019-03-08 | 北京天极视讯科技发展有限公司 | A kind of meter probe protection cleaning device, gas-detecting device and Zymolysis Equipment |
| CN110201935A (en) * | 2019-04-19 | 2019-09-06 | 铜陵有色金属集团股份有限公司 | The intermittent flusher of pulp ph gauge and its application method based on automatic control |
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| CN109439510A (en) * | 2018-11-12 | 2019-03-08 | 北京天极视讯科技发展有限公司 | A kind of meter probe protection cleaning device, gas-detecting device and Zymolysis Equipment |
| CN110201935A (en) * | 2019-04-19 | 2019-09-06 | 铜陵有色金属集团股份有限公司 | The intermittent flusher of pulp ph gauge and its application method based on automatic control |
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| Publication number | Publication date |
|---|---|
| CN108548848B (en) | 2021-04-13 |
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