CN212228799U - PH meter - Google Patents
PH meter Download PDFInfo
- Publication number
- CN212228799U CN212228799U CN202021005918.2U CN202021005918U CN212228799U CN 212228799 U CN212228799 U CN 212228799U CN 202021005918 U CN202021005918 U CN 202021005918U CN 212228799 U CN212228799 U CN 212228799U
- Authority
- CN
- China
- Prior art keywords
- transmission rod
- electrode
- rod
- meter
- extension bar
- 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
Images
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses a pH meter, which comprises an electrode, an extension bar, an installation conduit and a transmission rod; the electrode is embedded into one end of the extension bar, the extension bar is embedded into the transmission rod, and the transmission rod is embedded into the installation guide pipe; the signal wire is connected with the electrode; the installation conduit is connected with a ball valve; the inner side of the installation guide pipe is provided with an inner screw thread which is assembled with a transmission rod provided with an outer screw thread; a flushing water interface is arranged between the ball valve and the inner thread; one end of the transmission rod is provided with a drill bit, and the other end of the transmission rod is provided with a rotary rod. In the technical scheme, the extension rod also has a liquid sealing function, has a certain safety distance with the liquid level and prevents liquid from running out; the drill bit is used for drilling the crystal wrapped in the using process; the ball valve has the functions of closing the channel in the maintenance process, avoiding liquid from flowing out and blocking fluid from exchanging with each other; the maintenance process of the pH meter is carried out, the damage rate of the electrode of the pH meter is reduced, and the service life is prolonged.
Description
Technical Field
The utility model relates to a component in the chemical industry and the environmental protection field specifically are a pH meter of measuring solution pH value.
Background
The control of the pH value of the solution in the production of sodium metabisulfite is the key to realize the quality of the target product. In actual production, a probe of the pH meter is easily burnt, the maintenance process is difficult, the maintenance process easily causes permanent damage to the probe, and the experience of a client is poor. The technical analysis considers that the blocking phenomenon is one of the attributes of sodium metabisulfite products, if the structure can be replaced, the maintenance difficulty can be obviously reduced, and the damage to components and parts in the maintenance process can be reduced. Economic analysis also shows that the cost of the pH probe is far higher than that of the auxiliary material. All indexes, causes and the like are clear, but no good implementation measures exist at present.
The desulfurizing tower pH meter periodical automatic cleaning device provided by the patent CN201921058501.X, the pH meter intelligent cleaning calibration device provided by the patent CN201810770030.9, the patent CN201921160172.X, the breakage-proof telescopic on-line pH meter and the like have respective advantages, a design vision can be realized in an environment difficult to crystallize, and the production environment of sodium metabisulfite is not met.
The patent CN201921130877.7 discloses a PH meter plugging electrode which is convenient to use, and the electrode can be forcibly pulled out by mechanical force, practice proves that the technology is applied to a pyrosulfurous acid production environment, and the damage rate of the PH meter electrode in operation is extremely high, and the result is not desired by all parties.
Therefore, there is a need for an improvement to existing pH meters to increase the useful life of the pH meter and reduce the rate of damage to the pH meter electrodes or pH meter probes.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a pH meter, can show the spoilage, increase of service life that reduce the pH meter electrode in the maintenance link.
In order to solve the technical problem, the utility model provides a technical scheme is: the pH meter comprises an electrode, an extension bar, an installation conduit and a transmission rod;
the electrode is embedded into one end of an extension bar, the extension bar is embedded into the transmission rod, and the transmission rod is embedded into the installation guide pipe;
the signal wire is connected with the electrode; the mounting conduit is connected with a ball valve; the inner side of the installation guide pipe is provided with an inner screw thread, and the transmission rod provided with an outer screw thread is assembled through the inner screw thread; a flushing water interface is arranged between the ball valve and the inner thread;
one end of the transmission rod is provided with a drill bit, and the other end of the transmission rod is provided with a rotary rod.
In the technical scheme, the extension rod plays a role of liquid seal, has a certain safety distance with the liquid level and prevents liquid from running out; the drill bit is used for drilling a crystal wrapped on the pH meter in use; the ball valve has the functions of closing the channel in the maintenance process, avoiding liquid from flowing out and blocking fluid from exchanging with each other; the installation guide pipe is mainly convenient to install and plays a guiding role in parts such as an extension bar, a drill bit and the like; the transmission rod applies force to the drill bit to drill the crystal; the rotary rod plays a role in rotation and provides a power source for the transmission rod.
In the maintenance process: rotating the rotary rod, making forward spiral motion of the drill bit under mechanical force to further crush the crystal wrapped on the extension rod and the crystal wrapped on the electrode, separating the crystal pasted on the electrode from the electrode when the drill bit is not forced or moves to the other end of the electrode head, and independently pulling out the extension rod or pulling out the transmission rod and the extension rod together to clean the electrode; or the transmission rod and the extension rod are pulled to the position between the ball valve and the inner screw thread together, washing water (a washing water interface) is started, the electrode is washed, and after the electrode maintenance is finished, all components are recovered.
By adopting the technical scheme, the damage rate of the pH meter electrode or the pH meter probe is reduced and the service life is prolonged after the maintenance of the pH meter is carried out; the transmission rod is preferably made of stainless steel with excellent acid corrosion resistance.
Preferably, a glan head is embedded at the other end of the extension bar; the signal wire starts from one end of the electrode and sequentially passes through the lengthening rod and the Glan head; the gland head is mainly used for sealing.
Preferably, the radius of the inscribed circle of the drill bit is larger than or equal to the inner diameter of the transmission rod, and the difference between the inner diameter of the circumscribed circle of the drill bit and the outer diameter of the transmission rod is not larger than 16 mm.
By adopting the technical scheme, the drill bit is a part of the transmission rod; or two mutually independent elements, when the drill bit and the transmission rod are two mutually independent elements, the transmission rod and the drill bit can be stably connected without causing the drill bit to fall off.
Preferably, the transmission rod is provided with an external thread tooth; the installation guide pipe is provided with inner screw threads, and the length of the outer screw threads is at least greater than the distance from the flange to the wall surface of the container; the flange is disposed at an end of the mounting conduit.
The flange is used for fixedly mounting the guide pipe.
Preferably, the length of the inner thread tooth is not less than 3 threads.
Preferably, the distance from the ball valve to the end side of the mounting conduit away from the flange is at least greater than 5 cm; and the flushing water interface is positioned on the mounting conduit at the side of the ball valve and the mounting conduit far away from the flange.
Preferably, the electrode extends out of one end of the extension bar by not less than 1 cm.
Preferably, the maximum outer diameter of the outer section of the electrode exposed from the extension rod is no greater than the minimum outer diameter of the extension rod.
Preferably, the electrode is mechanically connected to the extension rod.
Preferably, the extension bar and the transmission rod are connected through threads to realize sealing; or the extension bar and the transmission rod are sealed by flexible connection, and the inner diameter of the transmission rod is at least 0.2mm larger than the outer diameter of the extension bar.
The inner diameter of the transmission rod is different from the outer diameter of the extension rod, and the optimal difference is 0.3-0.5 mm.
The utility model discloses possess following beneficial effect: when the electrode is stuck with paste by the crystal and dies and need the maintenance, can extract the probe or extract to between ball valve and the interior screw thread through rotatory swing arm, utilize the sparge water can accomplish the washing maintenance to electrode or probe, the simple operation, factor of safety is high.
Drawings
The following is a more detailed description of embodiments of the present invention with reference to the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the pH meter of the present invention;
FIG. 2 is a schematic view of the pH meter according to the present invention;
in the figure: 1-electrode, 2-extension bar, 3-drill bit, 4-flange, 5-ball valve, 6-flushing water interface, 7-installation conduit, 8-inner screw thread, 9-outer screw thread, 10-transmission rod, 11-rotary rod, 12-gram head, 13-signal line; 14-pH meter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides an in the attached drawing: the different types of hatching in the figures are not given the national standards, do not require the material of the elements, and distinguish between cross-sectional views of the elements in the figures.
As shown in fig. 1, the pH meter 14 of the present embodiment includes an electrode 1, an extension bar 2, a mounting tube 7 and a transmission rod 10;
the electrode 1 is embedded into one end of an extension bar 2, the extension bar 2 is embedded on the transmission rod 10, and the transmission rod 10 is embedded on the installation guide pipe 7;
a signal line 13 is connected to the electrode 1; the mounting conduit 7 is connected with a ball valve 5; the transmission rod 10 is provided with an outer screw thread 9; the installation guide pipe 7 is provided with an inner screw thread 8, and the length of the outer screw thread 9 is at least greater than the distance from the flange 4 to the wall surface of the container; the flange 4 is arranged at the end of the mounting tube 7. The inner screw teeth 8 are connected with the outer screw teeth 9 in a matching way, and the length of the inner screw teeth 8 is not less than 3; the distance from the ball valve 5 to the end side of the mounting conduit 7 far away from the flange 4 is at least more than 5 cm; the flushing water connection 6 is located on the mounting pipe 7 at the end of the ball valve 5 and the mounting pipe 7 remote from the flange 4.
The driving rod 10 has a drill 3 at one end and a rotary rod 11 at the other end.
A Glan head 12 is embedded at the other end of the extension bar 2; the signal wire 13 starts from one end of the electrode 1 and sequentially passes through the extension bar 2 and the Glan head 12.
The radius of an inscribed circle of the drill bit 3 is larger than or equal to the inner diameter of the transmission rod 10, and the difference between the inner diameter of an circumscribed circle of the drill bit 3 and the outer diameter of the transmission rod 10 is not larger than 6 mm.
The external thread 9 is arranged at one end of the transmission rod 10 close to the rotary rod 11; the inner screw thread 8 is arranged at one end of the installation guide pipe 7, and a flange 4 is arranged at the other end, far away from the inner screw thread 8, of the installation guide pipe 7;
the length of the outer thread 9 is greater than the distance from the ball valve 5 to the outer side face of the flange 4, so that the extension rod has enough distance to extend outwards; the length of the inner thread tooth 8 is not less than 3 threads; the ball valve 5 is close to the end side of the flange 4; the flushing water connection 6 is close to the ball valve 5.
The electrode 1 extends out of one end of the extension bar 2 by at least 1cm, the maximum outer diameter of the electrode 1 exposed out of the extension bar 2 is not larger than the minimum outer diameter of the extension bar 2, and in the embodiment, the end of the electrode 1 extending out of the extension bar 2 is optimally 3-6 cm; the electrode 1 is mechanically connected with the extension bar 2; the extension bar 2 and the transmission rod 10 are connected through threads to realize sealing; or the extension bar 2 and the transmission rod 10 are sealed by flexible connection, and the inner diameter of the transmission rod 10 is at least 0.2mm larger than the outer diameter of the extension bar 2.
Original parts such as the extension bar 2, the installation guide pipe 7, the transmission rod 10 and the like are all round steel pipes, and stainless steel materials with better acid corrosion resistance are preferably selected.
In the maintenance process: rotating the rotary rod 11, moving the transmission rod 10, making the drill bit 3 make forward spiral motion under mechanical force, further crushing the crystal pasted on the extension rod 2 and the electrode 1 (as shown in figure 2), when the drill bit 3 is not forced or moved to the electrode head of the electrode 1, realizing separation between the crystal pasted on the electrode 1 and the electrode 1, namely independently pulling out the extension rod 2 or pulling out the transmission rod 10 and the extension rod 2 together, and cleaning the electrode 1; or the transmission rod 10 and the extension rod 2 are pulled out to the position between the ball valve 5 and the inner screw thread 8, the washing water (the washing water interface 6) is opened, water flows in from the washing water interface 6, the electrode 1 is cleaned, and after the maintenance of the electrode 1 is finished, all components are recovered.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A pH meter is characterized by comprising an electrode, an extension bar, a mounting conduit and a transmission rod;
the electrode is embedded into one end of an extension bar, the extension bar is embedded into the transmission rod, and the transmission rod is embedded into the installation guide pipe;
the signal wire is connected with the electrode; the mounting conduit is connected with a ball valve; the inner side of the installation guide pipe is provided with an inner screw thread, and the transmission rod provided with an outer screw thread is assembled through the inner screw thread; a flushing water interface is arranged between the ball valve and the inner thread;
one end of the transmission rod is provided with a drill bit, and the other end of the transmission rod is provided with a rotary rod.
2. The pH meter according to claim 1, wherein a glan head is fitted in the other end of the extension bar; the signal wire starts from one end of the electrode and sequentially penetrates through the lengthening rod and the Glan head.
3. The pH meter of claim 1, wherein the radius of the inscribed circle of the drill bit is equal to or greater than the inner diameter of the drive rod, and the difference between the inner diameter of the circumscribed circle of the drill bit and the outer diameter of the drive rod is no greater than 16 mm.
4. The pH meter according to claim 1, wherein the transmission rod is provided with an external thread; the installation guide pipe is provided with inner screw threads, and the length of the outer screw threads is at least larger than the distance from the flange to the wall surface of the container.
5. The pH meter of claim 4, wherein the inner wire teeth are no less than 3 wires in length.
6. The pH meter of claim 5, wherein the distance from the ball valve to the end of the mounting conduit remote from the flange is at least greater than 5 cm; and the flushing water interface is positioned on the mounting conduit at the side of the ball valve and the mounting conduit far away from the flange.
7. The pH meter according to any one of claims 1 to 6, wherein the electrode is mechanically connected to the extension rod.
8. The pH meter of claim 7, wherein said electrode extends at least 1cm beyond an end of said extension rod.
9. The pH meter of claim 8, wherein the maximum outer diameter of the outer section of the electrode exposed by the extension rod is no greater than the minimum outer diameter of the extension rod.
10. The pH meter of claim 9, wherein the extension rod and the transmission rod are sealed by a threaded connection; or the extension bar and the transmission rod are sealed by flexible connection, and the inner diameter of the transmission rod is at least 0.2mm larger than the outer diameter of the extension bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021005918.2U CN212228799U (en) | 2020-06-04 | 2020-06-04 | PH meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021005918.2U CN212228799U (en) | 2020-06-04 | 2020-06-04 | PH meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212228799U true CN212228799U (en) | 2020-12-25 |
Family
ID=73930029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021005918.2U Active CN212228799U (en) | 2020-06-04 | 2020-06-04 | PH meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212228799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537582A (en) * | 2020-06-04 | 2020-08-14 | 江苏德义通环保科技有限公司 | PH meter |
-
2020
- 2020-06-04 CN CN202021005918.2U patent/CN212228799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537582A (en) * | 2020-06-04 | 2020-08-14 | 江苏德义通环保科技有限公司 | PH meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212228799U (en) | PH meter | |
| CN204851224U (en) | Appearance is peeied at in pull rod formula self -cleaning rockhole | |
| CN206318987U (en) | Fermentation tank scum pipe with choke preventing function | |
| CN111537582A (en) | PH meter | |
| CN110594503B (en) | Automatic adjustable pipe connection head of contraction type | |
| CN206256899U (en) | Down-hole casing steel wire wall scraper | |
| CN206376826U (en) | A kind of wax scraping apparatus | |
| CN207584271U (en) | A kind of blocking-proof elbow | |
| CN213784552U (en) | Agricultural water-saving irrigation pipeline | |
| CN210598902U (en) | Oil leakage prevention device of closed blowout prevention box | |
| CN211836559U (en) | A extrusion storehouse for river course rubbish cleaning device | |
| CN200979433Y (en) | A device which uses a worm gear transmission mechanism to dissemble an online electromagnetic flowmeters probe | |
| CN206957654U (en) | A kind of oil pipe wax scraping apparatus | |
| CN112282698A (en) | Rotary clearing and dredging well device for cable conveying | |
| CN213102180U (en) | Cutting fluid is with heating reation kettle | |
| CN204702533U (en) | A kind of air flotation pool slag scraper | |
| CN214603405U (en) | Non-cutoff tapping visualization device | |
| CN219888940U (en) | Pipeline for hydraulic engineering | |
| CN212776168U (en) | Equal-diameter stainless steel three-way pipe convenient for dredging pipeline | |
| CN216789486U (en) | Combined type metal pipeline connecting piece for building | |
| CN215338691U (en) | Pressure transmitter measuring device | |
| CN208981980U (en) | A kind of wear-resistant box coupling of multiplex roles | |
| CN218118694U (en) | Automatic clear ball valve | |
| CN219223840U (en) | Sewage treatment flow monitoring device | |
| CN209402134U (en) | A kind of nine hole grating pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |