CN218546728U - PH value on-line measuring device for caustic solid solution - Google Patents
PH value on-line measuring device for caustic solid solution Download PDFInfo
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- CN218546728U CN218546728U CN202222955464.0U CN202222955464U CN218546728U CN 218546728 U CN218546728 U CN 218546728U CN 202222955464 U CN202222955464 U CN 202222955464U CN 218546728 U CN218546728 U CN 218546728U
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Abstract
The utility model relates to a be applied to pH value on-line measuring device of caustic solid solution body, including flange, washing cavity switch case, washing outer lane of a cavity pipe, the fixed lining body of acid and alkali-resistance, pH meter connecting terminal, annular cleaning component, pneumatic cylinder body, cavity formula pneumatic cylinder piston rod, pneumatic cylinder piston, pH meter cable sleeve stopcock, stay-supported sensor and removal test support. The device is arranged on the outer wall of a measured slurry tank, and a flange hole is arranged at the position, where the pH value of the slurry needs to be detected, outside the slurry tank; the utility model discloses can directly insert the sensor and measure liquid physical quantity in the liquid tank to adopt the pressure cleaning medium regularly to wash the pH meter in that the obturator is inside, can effectively solve sensor surface scale deposit problem, the utility model discloses but wide application in each big titanium white powder factory and vanadium goods factory.
Description
Technical Field
The utility model relates to an instrument check out test set technical field especially relates to a be applied to pH value on-line measuring device of caustic solid solution body.
Background
In the process of hydrolyzing titanium and hydrolyzing vanadium, the liquid in the tank has the characteristics of high acid, high alkali and high viscosity, and the liquid in the tank has violent fluidity under the stirring of the stirrer. And the pH value of the slurry is a key control index in the coating process.
At present, two measurement modes are adopted for field application, one mode is manual detection, and the method is that an operator directly takes out a small amount of slurry from the top of a liquid tank and detects the pH value of the slurry by using an external pH meter device; the method has the defects of insufficient representativeness of the detected pH value, low precision, low efficiency, high strength, high danger and the like. The other is an online detection mode applied at present, the mode is that slurry is pumped out from a tank and passes through a U-shaped pipe arranged on the top of the tank, then the slurry is discharged into the tank, and a pH detector is arranged at the position of the U-shaped pipe, so that online detection is realized, for example, the online detection device for the pH value of the vanadium precipitation solution disclosed in Chinese patent CN 201520112881.6. However, the measurement mode has the problems of pump pipe blockage, sensor surface scale deposition, measurement failure, lag in measured pH value and the like. In addition, chinese patent CN202022103670.X discloses a pH on-line detection device with a cleaning function, which adopts the scheme that a stop valve is additionally arranged at the front end of a cleaning chamber, the scheme is theoretically feasible, but in practice, after the stop valve is additionally arranged, the pH is difficult to insert into a tank for testing, if an oversized stop valve is adopted, the stroke is too long, the product is too large, the economy is reduced, and the feasibility of the mode is poor; in addition, the cleaning function of the patent only flows water through a pH meter during cleaning, and the cleaning function does not have a re-function, so that high-viscosity solid solution in the slurry tank cannot be effectively removed.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an online pH value detection device for caustic solid solution, which can measure the physical quantity of the liquid by directly inserting a pH meter into the liquid tank, and can periodically clean the sensor with pressurized water inside the sealing device, thereby solving the problem of scale on the surface of the sensor.
The utility model adopts the technical scheme as follows:
the utility model provides a pH value on-line measuring device for caustic solid solution, which comprises a connecting flange, a cleaning cavity switch valve core, a cleaning cavity outer pipe, an acid and alkali resistant fixed lining body, a pH meter connecting terminal, an annular cleaning component, a hydraulic cylinder body, a hollow hydraulic cylinder piston rod, a hydraulic cylinder piston, a pH meter cable sleeve pipe plug, a stay wire type sensor and a mobile test bracket;
the connecting flange is arranged on the slurry tank through bolts; the left side of the annular cleaning component is fixedly connected with the connecting flange through the flange correspondingly, so that the whole detection device is arranged on the slurry tank; the cleaning cavity outer pipe is arranged in the annular cleaning member, and the front end and the rear end of the inner wall of the annular cleaning member are respectively provided with a sealing member for resisting acid, alkali and caustic liquid; the left end of the piston rod of the hollow hydraulic cylinder is connected with the right end of the outer pipe of the cleaning cavity through threads; the cleaning cavity switch valve core is fixedly connected with the left end of the cleaning cavity outer pipe through threads; an acid-alkali resistant fixing lining body is arranged between the outer side of the circumference of the cleaning cavity outer pipe and the connecting flange, and the inner side and the outer side of the acid-alkali resistant fixing lining body are respectively sealed through sealing components; one side of the circumferential surface of the annular cleaning component is provided with a cleaning liquid inlet communicated with the inner cavity of the annular cleaning component;
the left side of the hydraulic cylinder body is correspondingly arranged at the right end of the annular cleaning component through a flange; a hollow cylinder bottom flange is arranged at the bottom of the right side of the hydraulic cylinder body; a hydraulic cylinder piston and a hollow hydraulic cylinder piston rod are arranged on the inner side of the hydraulic cylinder body; sealing components are arranged among the hydraulic cylinder piston, the hollow hydraulic cylinder piston rod and the hydraulic cylinder body;
the pH meter cable sleeve penetrates through the hollow cavity of the hollow hydraulic cylinder piston rod, a pH meter cable sleeve pipe plug is installed at the right end of the pH meter cable sleeve, and a threaded connector is installed at the left end of the pH meter cable sleeve; the pH meter is arranged at a threaded joint at the left end of a cable sleeve of the pH meter through threads; tightly pressing the pH meter cable sleeve and the pH meter in the cleaning cavity outer tube by screwing the pH meter cable sleeve pipe plug; a sealing component resistant to strong acid and strong alkali is arranged on the end face of the right side of the cleaning cavity outer tube;
a movable test bracket is vertically arranged on one side of the right end of the pH meter cable sleeve, and the upper end of the movable test bracket is hinged with a hinge ring at the front end of the stay wire type sensor; and the stay wire type sensor is correspondingly arranged on the mounting plate on the outer side of the hydraulic cylinder body.
Preferably, the valve core of the cleaning cavity switch is of a T-shaped annular structure, the left end of the valve core is provided with a valve core cover plate, the right side of the valve core cover plate is fixedly connected with an annular cavity, and the valve core cover plate is provided with a groove of 0-80 degrees, which corresponds to the acid-resistant and alkali-resistant fixed lining body; the outer wall of the annular cavity is provided with a plurality of through holes along the circumference, and the right end of the outer wall of the annular cavity is provided with threads for connecting with the outer pipe of the cleaning cavity.
Preferably, the outer pipe of the cleaning cavity is of a circular ring structure with a through inner hole; 3-8 waist-shaped holes are formed in the outer wall of the middle of the outer pipe of the cleaning cavity along the circumference and are uniformly distributed along the circumference; a partition plate is arranged in the right side of the outer pipe of the cleaning cavity, and a round small hole is formed in the partition plate and used for penetrating through the pH meter.
Preferably, the sealing member is a sealing ring or a gasket made of an acid and alkali resistant caustic liquid material.
Preferably, an axial positioning rod is axially and fixedly connected to one side of the right end of the hydraulic cylinder body; the movable test bracket is connected with the axial positioning rod movable pair.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model directly inserts the sensor into the liquid tank to measure the physical quantity of the liquid, and adopts the cleaning medium to periodically clean the pH meter in the sealing device, thereby effectively solving the problem of scale on the surface of the sensor and improving the service life and the test accuracy of the pH meter;
2. the utility model discloses can the pH value of the liquid of survey of real-time detection, solve the problem that original pH value detection device commonly used's measured value lagged behind and blockked up. The utility model discloses can be applied to each big titanium white powder factory and vanadium products factory.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the pH value on-line detection device applied to the caustic solution body of the present invention.
FIG. 2 is a schematic sectional view of the present invention during inspection;
FIG. 3 is a schematic sectional view of the present invention during the assembling, disassembling and calibrating process;
FIG. 4 is a schematic view of the present invention mounted on the side wall of the slurry tank;
FIG. 5 is a schematic structural view of a ring-shaped cleaning member according to the present invention;
FIG. 6 is a schematic structural view of an outer tube of a cleaning chamber of the present invention;
fig. 7 is a schematic structural diagram of the switch valve core of the cleaning chamber of the present invention.
Wherein, the reference numbers: 1-a slurry tank; 2-pH value on-line detection device; 3-a connecting flange; 4-cleaning the switch valve core of the chamber; 5, cleaning the outer tube of the cavity; 6-acid and alkali resistant fixed lining body; 7-pH meter; 8-pH meter connection terminal; 9-annular cleaning member; 10-a hydraulic cylinder body; 11-hollow hydraulic cylinder piston rod; 12-a hydraulic cylinder piston; 13-pH meter cable sleeves; 14-cable sleeve pipe plug of pH meter; 15-a pull-wire sensor; 16-moving the test carriage; 17-axial positioning rod; 18-cleaning liquid inlet.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
It should be noted that in the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "one side", "the other side", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, and do not mean that a device or an element must have a specific orientation, be configured and operated in a specific orientation.
Referring to the accompanying drawings, fig. 1-7 show the specific structure of an embodiment of the present invention, which is applied to an online pH detection device for caustic solid solution. The utility model discloses install at the outer wall of survey slurry tank 1, need detect slurry pH value position department in the slurry tank 1 outside and set up the flange hole. The online detection device 2 comprises a connecting flange 3, a cleaning chamber switch valve core 4, a cleaning cavity outer pipe 5, an acid and alkali resistant fixing lining body 6, a pH meter 7, a pH meter connecting terminal 8, an annular cleaning component 9, a hydraulic cylinder body 10, a hollow hydraulic cylinder piston rod 11, a hydraulic cylinder piston 12, a pH meter cable sleeve 13, a pH meter cable sleeve pipe plug 14, a stay wire type sensor 15, a mobile test support 16, an axial positioning rod 17 and a cleaning liquid inlet 18.
The connecting flange 3 is correspondingly arranged on the outer side of a flange hole on the slurry tank 1 through a bolt; the left side of the annular cleaning component 9 is fixedly connected with the connecting flange 3 correspondingly through a flange, so that the whole detection device is arranged on the slurry tank 1; the cleaning cavity outer tube 5 is arranged inside the annular cleaning component 9; sealing members for acid and alkali resistant caustic liquid are respectively arranged at the front end and the rear end of the inner wall of the annular cleaning member 9; the left end of the hollow hydraulic cylinder piston rod 11 is connected with the right end of the cleaning cavity outer tube 5 through threads; the cleaning cavity switch valve core 4 is fixedly connected with the left end of the cleaning cavity outer pipe 5 through threads; an acid and alkali resistant fixing lining body 6 is arranged between the outer side of the circumference of the cleaning cavity outer pipe 5 and the connecting flange 3, and the inner side and the outer side of the acid and alkali resistant fixing lining body 6 are respectively sealed through sealing components; one side of the circumferential surface of the annular cleaning component 9 is provided with a cleaning liquid inlet 18 communicated with the inner cavity of the annular cleaning component; in the embodiment, the cleaning cavity switch valve core 4 is of a T-shaped annular structure, the left end of the cleaning cavity switch valve core is a valve core cover plate, the right side of the valve core cover plate is fixedly connected with an annular cavity, and the outer circumference of the end face of the right side of the valve core cover plate is provided with a groove of 0-80 degrees, wherein the groove corresponds to the groove of the left end of the acid-base-resistant fixed lining body 6; the outer wall of the annular cavity is provided with a plurality of through holes along the circumference, and the right end of the outer wall of the annular cavity is processed with threads and is used for being connected with the cleaning cavity outer pipe 5. The cleaning cavity outer pipe 5 is of a circular ring structure with a through inner hole; 3-8 waist-shaped holes are formed in the outer wall of the middle of the cleaning cavity outer tube 5 along the circumference and are uniformly distributed along the circumference; a clapboard is arranged in the right side of the cleaning cavity outer tube 5, and a round small hole is formed in the clapboard and is used for penetrating through the pH meter; the inner wall of the right end of the cleaning cavity outer pipe 5 is provided with threads and is used for being connected with a hollow hydraulic cylinder piston rod 11.
The left side of the hydraulic cylinder body 10 is correspondingly fixedly connected with a flange at the right end of the annular cleaning component 9 through a flange; a hollow cylinder bottom flange is arranged at the bottom of the right side of the hydraulic cylinder body 10; a hydraulic cylinder piston 12 and a hollow hydraulic cylinder piston rod 11 are correspondingly arranged in the hydraulic cylinder body 10; and sealing components are arranged among the hydraulic cylinder piston 12, the hollow hydraulic cylinder piston rod 11 and the hydraulic cylinder body 10.
The pH meter cable sleeve 13 penetrates through the hollow cavity of the hollow hydraulic cylinder piston rod 11, the right end of the pH meter cable sleeve 13 is provided with a pH meter cable sleeve pipe plug 14, and the left end of the pH meter cable sleeve 13 is provided with a threaded connector; the right end of the pH meter 7 is in threaded connection with a threaded joint at the left end of a pH meter cable sleeve 13 through a pH meter connecting terminal 8; the pH meter cable sleeve 13 and the pH meter 7 are tightly pressed in the cleaning cavity outer tube 5 by screwing the pH meter cable sleeve pipe plug 14; a sealing component resistant to strong acid and strong alkali is arranged on the end face of the right side of the cleaning cavity outer tube 5; the inside of the pH meter cable sleeve 13 is used for storing accessories such as a connecting cable of the pH meter 7.
A movable test support 16 is vertically arranged on one side of the right end of the pH meter cable sleeve 13, the upper end of the movable test support 16 is hinged with a hinged ring at the front end of the stay wire type sensor 15, and when the movable test support does not work, the stay wire is in an elongated state; the stay wire type sensor 15 is correspondingly arranged on the mounting plate on the outer side of the hydraulic cylinder body 10. An axial positioning rod 17 is fixedly connected to one side of the right end face of the hydraulic cylinder body 10; the movable test bracket 16 is connected with a movable pair of the axial positioning rod 17.
In this embodiment, the sealing members between the respective members are both seal rings or gaskets made of an acid-and alkali-resistant caustic liquid material.
The utility model discloses three station occasionally works, is detection station, washing station and online dismouting and calibration station respectively. When the pH value of slurry liquid needs to be detected, high-pressure liquid is introduced into a right cavity of the hydraulic cylinder, a left cavity of the hydraulic cylinder is connected to a drain tank, and a piston 12 of the hydraulic cylinder and a piston rod 11 of the hollow hydraulic cylinder move to the left, so that parts such as the cleaning cavity outer tube 5, the cleaning cavity switch valve core 4 and the pH meter 7 are driven to move to the left together until a detection station is reached; at this time, the cleaning chamber outer tube 5, the cleaning chamber switch valve core 4 and the pH meter 7 are all immersed in the slurry, and the pH meter detects the pH value of the slurry and uploads the pH value to the terminal.
The utility model discloses be located detection station and work after certain time, can adhere an amount of thick liquids on the pH meter 7, influence the precision that pH meter 7 detected, need at this moment will the utility model discloses drive to the washing station, utilize the washing liquid with pH meter 7 sanitization. When the pH meter 7 needs to be cleaned, high-pressure liquid is introduced into the left cavity of the hydraulic cylinder, the right cavity of the hydraulic cylinder is connected to the drain tank, and the hydraulic cylinder piston 12 and the hollow hydraulic cylinder piston rod 11 move to the right side, so that parts such as the cleaning cavity outer pipe 5, the cleaning cavity switch valve core 4 and the pH meter 7 are driven to move to the right side together until a cleaning station is reached; at this time, the cleaning chamber outer tube 5, the cleaning chamber switch valve core 4, and the pH meter 7 form a cleaning chamber, and the pH meter 7 is located in the cleaning chamber. Cleaning liquid enters from a cleaning liquid inlet 18, enters the cleaning cavity after passing through an annular cavity and a nozzle which are arranged in the annular cleaning component 9, and flows into slurry after the pH meter 7 is cleaned through uniform distribution holes on the outer wall of the switch valve core 4 of the cleaning cavity.
When needing to be changed or mark pH meter 7, need will the utility model discloses drive online dismouting and mark the station. At the moment, high-pressure liquid is introduced into the left cavity of the hydraulic cylinder, the right cavity of the hydraulic cylinder is connected into a drainage groove, and the hydraulic cylinder piston 12 and the hollow hydraulic cylinder piston rod 11 move to the right side, so that parts such as the cleaning cavity outer pipe 5, the cleaning cavity switch valve core 4 and the pH meter 7 are driven to move to the right side together until an online dismounting and calibration station is reached; at the moment, the upper slope surface of the valve core cover plate of the cleaning cavity switch valve core 4 is in close contact with the slope surface on the acid-alkali-resistant fixed lining body 6, so that the slurry is sealed in the slurry tank, and the slurry is prevented from entering the cleaning cavity. At the moment, the cable sleeve pipe plug 14 of the pH meter is unscrewed, and the pH meter 7 and the cable sleeve 13 of the pH meter are taken out from the inner hole of the hollow hydraulic cylinder piston rod 11 together, so that online replacement or calibration can be realized.
The present invention is not exhaustive and is well known.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (5)
1. The utility model provides a pH value on-line measuring device for caustic solid solution body which characterized in that: the device comprises a connecting flange, a cleaning chamber switch valve core, a cleaning cavity outer pipe, an acid and alkali resistant fixing lining body, a pH meter connecting terminal, an annular cleaning component, a hydraulic cylinder body, a hollow hydraulic cylinder piston rod, a hydraulic cylinder piston, a pH meter cable sleeve pipe plug, a stay wire type sensor and a mobile test support;
the connecting flange is arranged on the slurry tank through bolts; the left side of the annular cleaning component is fixedly connected with the connecting flange through the flange correspondingly, so that the whole detection device is arranged on the slurry tank; the cleaning cavity outer pipe is arranged in the annular cleaning member, and the front end and the rear end of the inner wall of the annular cleaning member are respectively provided with a sealing member for resisting acid, alkali and caustic liquid; the left end of the piston rod of the hollow hydraulic cylinder is connected with the right end of the outer pipe of the cleaning cavity through threads; the cleaning cavity switch valve core is fixedly connected with the left end of the cleaning cavity outer pipe through threads; an acid and alkali resistant fixed lining body is arranged between the outer side of the circumference of the cleaning cavity outer pipe and the connecting flange, and the inner side and the outer side of the acid and alkali resistant fixed lining body are respectively sealed through sealing components; one side of the circumferential surface of the annular cleaning component is provided with a cleaning liquid inlet communicated with the inner cavity of the annular cleaning component;
the left side of the hydraulic cylinder body is correspondingly arranged at the right end of the annular cleaning component through a flange; a hollow cylinder bottom flange is arranged at the bottom of the right side of the hydraulic cylinder body; a hydraulic cylinder piston and a hollow hydraulic cylinder piston rod are arranged on the inner side of the hydraulic cylinder body; sealing components are arranged among the hydraulic cylinder piston, the hollow hydraulic cylinder piston rod and the hydraulic cylinder body;
the pH meter cable sleeve penetrates through the hollow cavity of the hollow hydraulic cylinder piston rod, a pH meter cable sleeve pipe plug is installed at the right end of the pH meter cable sleeve, and a threaded connector is installed at the left end of the pH meter cable sleeve; the pH meter is arranged at a threaded joint at the left end of a cable sleeve of the pH meter through threads; tightly pressing the pH meter cable sleeve and the pH meter in the cleaning cavity outer tube by screwing the pH meter cable sleeve pipe plug; a sealing component resistant to strong acid and strong alkali is arranged on the end face of the right side of the cleaning cavity outer tube;
a movable test bracket is vertically arranged on one side of the right end of the pH meter cable sleeve, and the upper end of the movable test bracket is hinged with a hinge ring at the front end of the stay wire type sensor; and the stay wire type sensor is correspondingly arranged on the mounting plate on the outer side of the hydraulic cylinder body.
2. The on-line pH value detection device for caustic solution liquid according to claim 1, wherein: the cleaning cavity switch valve core is of a T-shaped annular structure, the left end of the cleaning cavity switch valve core is provided with a valve core cover plate, the right side of the valve core cover plate is fixedly connected with an annular cavity, and the valve core cover plate is provided with a 0-80-degree groove which corresponds to the acid-alkali-resistant fixed lining body; the outer wall of the annular cavity is provided with a plurality of through holes along the circumference, and the right end of the outer wall of the annular cavity is processed with threads and is used for being connected with the outer pipe of the cleaning cavity.
3. The on-line pH value detection device for caustic solution liquid according to claim 1, wherein: the outer pipe of the cleaning cavity is of a circular structure with a through inner hole; 3-8 waist-shaped holes are formed in the outer wall of the middle part of the outer pipe of the cleaning cavity along the circumference and are uniformly distributed along the circumference; a partition plate is arranged in the right side of the outer pipe of the cleaning cavity, and a round small hole is formed in the partition plate and used for penetrating through the pH meter.
4. The on-line pH value detection device applied to caustic solid solution body according to claim 1, wherein: the sealing member is a sealing ring or a sealing gasket made of acid and alkali resistant caustic liquid materials.
5. The on-line pH value detection device applied to caustic solid solution body according to claim 1, wherein: an axial positioning rod is axially and fixedly connected to one side of the right end of the hydraulic cylinder body; the movable test bracket is connected with the axial positioning rod movable pair.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222955464.0U CN218546728U (en) | 2022-11-07 | 2022-11-07 | PH value on-line measuring device for caustic solid solution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222955464.0U CN218546728U (en) | 2022-11-07 | 2022-11-07 | PH value on-line measuring device for caustic solid solution |
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| CN218546728U true CN218546728U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222955464.0U Active CN218546728U (en) | 2022-11-07 | 2022-11-07 | PH value on-line measuring device for caustic solid solution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117000162A (en) * | 2023-06-25 | 2023-11-07 | 茂名市广地化工有限公司 | PH detection device and PH value detection method |
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2022
- 2022-11-07 CN CN202222955464.0U patent/CN218546728U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117000162A (en) * | 2023-06-25 | 2023-11-07 | 茂名市广地化工有限公司 | PH detection device and PH value detection method |
| CN117000162B (en) * | 2023-06-25 | 2024-04-12 | 茂名市广地化工有限公司 | PH detection device and PH value detection method |
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