CN211927847U - Container capable of measuring PH value on line - Google Patents

Abstract

The utility model provides a can on-line measuring PH value's container, including vessel, external pipeline, bleeder valve, feed back pump and PH value sensor, be provided with in the vessel and hold the chamber, external pipeline includes discharging pipe and feed back pipe, the discharging pipe with the feed back pipe respectively with hold the chamber and be linked together, the bleeder valve is connected in on the discharging pipe, feed back pump and feed back valve are connected in on the feed back pipe, the material in holding the chamber flows out from the discharging pipe, the PH value sensor measures the PH value of this material, this material flows into from the feed back pipe holds the chamber again; this but container of on-line measuring pH value can avoid damaging the pH value sensor, and measure accurately.

Description

Container capable of measuring PH value on line

Technical Field

The utility model relates to a container, in particular to a container capable of measuring PH value on line.

Background

The pH refers to the ratio of the total number of hydrogen ions in the solution to the total amount of substances, is usually used to represent the negative logarithm of the hydrogen ion concentration or the pH value of the solution, and is one of the most important physicochemical parameters in chemical production. In the chemical production process, the pH value of materials in the reaction kettle needs to be followed in real time to know and control the reaction process and the state of reactants, or the pH value in the kettle is kept within a stable range by adjusting the amount of added acid and alkali, so that the successful implementation of chemical reaction is ensured. Therefore, the PH sensor of the PH detection device needs to be closely connected with the materials in the reaction kettle so as to accurately measure the PH value of the reaction materials in real time.

The existing pH value on-line measurement basically adopts the following modes: (1) and (4) installing the side wall. And inserting the pH value sensor into the side surface of the reaction kettle at an oblique angle of 15 degrees with the wall of the reaction kettle and fixing the pH value sensor on the wall of the reaction kettle. Generally used for a container with stirring, and the top of the container does not allow or has no space for installing a vertically downward probe, or the method is also adopted when the top is inconvenient to maintain; (2) and (4) mounting a top flange type. The PH value sensor is connected with the kettle cover by adopting a flange, and the sensor is used as one part of the reaction kettle and is fastened with the reaction kettle by using a flange and a bolt; (3) and (5) fixed insertion type installation. Namely a mode of fixing the pH value sensor in the reaction kettle.

The above method has the following disadvantages: the PH value sensor electrode is mostly glass medium, adopts modes such as lateral wall installation, top flange mounting, surely insert the formula installation with PH value sensor direct introduction reation kettle in, easily makes the electrode suffer pressure failure in the reaction process of high-speed stirring in the cauldron. In addition, the measurement result may be inaccurate due to the pressure influence of the high-speed stirring.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a container for online PH measurement that avoids pressure damage to the PH sensor.

The utility model provides a can on-line measuring PH value's container, including vessel, external pipeline, bleeder valve, feed back pump and PH value sensor, this internal chamber that holds that is provided with of vessel, external pipeline includes discharging pipe and feed back pipe, the discharging pipe with the feed back pipe respectively with it is linked together to hold the chamber, the bleeder valve connect in on the discharging pipe, feed back pump and feed back pump connect in on the feed back pipe, the material that holds in the chamber is followed the discharging pipe flows out, the PH value of this material is measured to PH value sensor, and this material is followed again the feed back pipe flows in hold the chamber.

Preferably, a communicating pipe is arranged between the discharge pipe and the material return pipe, the discharge pipe and the material return pipe are communicated through the communicating pipe, a measuring hole is arranged between the discharge valve and the material return valve, the PH sensor comprises a probe, and the probe is inserted into the measuring hole.

Preferably, a water inlet pipe is arranged between the discharge valve and the measuring hole, and a water inlet valve is arranged on the water inlet pipe.

Preferably, a water outlet pipe is arranged between the measuring hole and the feed back pump, and a water outlet valve is arranged on the water outlet pipe.

Preferably, the device further comprises a protective liquid pool for containing protective liquid of the pH value sensor, and a manipulator for taking the probe out of the measuring hole and mounting the probe to the measuring hole.

Preferably, a material pool is arranged between the discharging pipe and the material returning pipe, the discharging pipe and the material returning pipe are communicated with the material pool, the upper end of the material pool is provided with an opening, and the pH value sensor extends into the material pool to measure the pH value.

Preferably, still include and be used for wasing pH value sensor's washing pond and manipulator, pH value sensor includes the probe, the probe is fixed on the manipulator, the manipulator drives pH value sensor's probe removes.

Preferably, a sprinkler head is arranged in the cleaning pool, the sprinkler head is arranged on the side wall of the cleaning pool, and the water spraying direction of the sprinkler head faces to the other side wall opposite to the sprinkler head.

Preferably, the device further comprises a protective liquid tank for containing protective liquid of the pH sensor, and the pH sensor is taken out of the material tank by the manipulator and then is put into the protective liquid tank after being cleaned in the cleaning tank; and/or the presence of a gas in the gas,

the manipulator comprises a base, an extension arm and a rotating arm, wherein two ends of the extension arm are respectively connected with the base and the rotating arm, and a rotating motor is arranged between the rotating arm and the extension arm.

Preferably, the container body is further provided with a stirring paddle, and the stirring paddle extends into the accommodating cavity.

The utility model adopts the external pipeline to lead the material out of the containing cavity, and the PH value is measured outside the container, so that the PH value sensor can be prevented from being damaged, and the measuring result can be more accurate; in addition, the PH value of the container can be measured at any time, and the use is more convenient.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a schematic structural diagram of a container capable of measuring pH value on line according to a preferred embodiment of the present invention;

fig. 2 is a schematic structural diagram of a container capable of measuring PH on line according to another preferred embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "first end," "second end," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and fig. 2, the utility model provides a can on-line measuring container of PH value, including container body 1, external pipeline, bleeder valve 25, feed back valve 26, feed back pump 27 and PH sensor 20. Be provided with in container body 1 and hold chamber 10, external pipeline includes discharging pipe 21 and feed back pipe 22, and discharging pipe 21 and feed back pipe 22 are linked together with holding chamber 10 respectively, and outside discharging pipe 21 draws out the chamber 10 that holds with the material that holds in the chamber 10, feed back pipe 22 flows back the material to holding in the chamber 10, measurement pH value that both can be safe, can not waste the material again. Bleeder valve 25 is connected to discharging pipe 21, and material return valve 26 and feed back pump 27 are connected to feed back pipe 22, and the material that holds in chamber 10 flows out from discharging pipe 21, and pH sensor 20 measures the pH value of this material, and this material flows into from feed back pipe 22 and holds chamber 10 again. The setting of feed back valve 26 and bleeder valve 25 can guarantee that the material in the external pipeline between the two is motionless, can make the material in the external pipeline flow, guarantees that measured pH value is the pH value that holds the interior material of chamber 10, and is more accurate. The material returning pump 27 is arranged to pump the material in the external pipeline into the accommodating cavity 10.

In the preferred embodiment, a communicating pipe 26 is arranged between the discharging pipe 21 and the return pipe 22, and the discharging pipe 21 and the return pipe 22 are communicated through the communicating pipe 26. A measuring hole 24 is arranged between the discharge valve 25 and the return valve 26, and the pH value sensor 20 comprises a probe which is inserted into the measuring hole 24. Further, the PH sensor 20 is hermetically connected to the measuring hole 24, and the PH sensor 20 is fixed in the measuring hole 24 and is ready to measure PH in real time.

In a further preferred embodiment, a water inlet pipe 3 is arranged between the discharge valve 25 and the measuring hole 24, and a water inlet valve is arranged on the water inlet pipe 3 and is used for flushing an external pipeline and residual materials attached to the pH value sensor 20, so that the value of next cleaning is more accurate. On the next cycle, the cleaned water will enter the chamber 10 from the return pipe 22, although this method can only be used in some cases where external water addition is allowed.

In a further preferred embodiment, a water outlet pipe 4 is arranged between the measuring hole 24 and the feed back pump 27, and a water outlet valve is arranged on the water outlet pipe 4. And water cannot be additionally added to some materials, and the cleaned water needs to be discharged as waste water.

In a further preferred embodiment, a tapping pump 28 is also arranged on the tapping pipe 21 for pumping material out of the receiving space 10.

In the preferred embodiment, a protection solution tank 6 for containing the protection solution for the PH sensor 20 and a robot for taking out the probe from the measuring hole 24 and installing the probe to the measuring hole 24 are further included. The PH sensor 20 can be maintained so that it is more sensitive and has a longer service life.

In another preferred embodiment, a material pool 4 is disposed between the discharging pipe 21 and the return pipe 22, the discharging pipe 21 and the return pipe 22 are both communicated with the material pool 4, the upper end of the material pool 4 is open, and the PH sensor 20 extends into the material pool 4 to measure the PH value. During the material flows out from discharging pipe 21 and enters into the material pond, pH value sensor 20 measures the pH value of material in this material pond 4, after the measurement, under the effect of backwash pump, the material flows back to holding chamber 10 from feed back pipe 22.

In a further preferred embodiment, the device further comprises a cleaning pool 5 for cleaning the pH sensor 20 and a manipulator, wherein the pH sensor 20 comprises a probe which is fixed on the manipulator, and the manipulator drives the probe of the pH sensor 20 to move. Furthermore, the discharge valve 25, the feed back valve 26, the water inlet valve and the water outlet valve are all electronic valves, and the full-automatic measurement of the pH value can be realized by matching with a manipulator.

In a further preferred embodiment, a sprinkler head 51 is arranged in the washing tank 5, the sprinkler head 51 is arranged on a side wall of the washing tank 5, and the water spraying direction of the sprinkler head 51 is directed to the other side wall opposite thereto. The device is used for cleaning the pH value sensor 20, so that the pH value sensor is more sensitive, and the measured value is more accurate.

In a further preferred embodiment, the container further comprises a protective liquid tank 6 for containing the protective liquid of the PH sensor 20, and after the manipulator takes the PH sensor 20 out of the material tank and cleans the material tank and the cleaning tank 5, the PH sensor 20 is extended into the protective liquid tank 6. The PH sensor 20 can be maintained so that it is more sensitive and has a longer service life.

In a further preferred embodiment, the robot comprises a base body 61, an extension arm 62 and a rotating arm 63, wherein both ends of the extension arm 62 are respectively connected to the base body 61 and the rotating arm 63, and a rotating motor 64 is arranged between the rotating arm 63 and the extension arm 62. When the PH sensor 20 is cleaned, the rotation of the rotating arm 63 can clean the PH sensor 20 more thoroughly.

In a further preferred embodiment, the container body 1 is further provided with a stirring paddle 11, and the stirring paddle 11 extends into the accommodating cavity 10. The stirring paddle 11 makes the material in the containing cavity 10 more uniform, and the measured PH value is closer to the average value.

The utility model adopts the external pipeline to lead the material out of the accommodating cavity 10 and measure the PH value outside the container, thereby avoiding the damage of the PH value sensor 20 and ensuring more accurate measuring result; in addition, the PH value of the container can be measured at any time, and the use is more convenient.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express the specific embodiments of the utility model, and the description thereof is more specific and detailed, but not so as to limit the scope of the patent of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a can on-line measuring container of PH value which characterized in that, includes vessel, external pipeline, bleeder valve, feed back pump and PH value sensor, this internal chamber that holds that is provided with of vessel, external pipeline includes discharging pipe and feed back pipe, the discharging pipe with the feed back pipe respectively with hold the chamber and be linked together, the bleeder valve connect in on the discharging pipe, feed back pump and feed back valve connect in on the feed back pipe, the material that holds in the chamber is followed the discharging pipe flows out, the PH value of this material is measured to the PH value sensor, and this material is followed the feed back pipe flows in hold the chamber again.

2. The on-line PH-measurable vessel according to claim 1, wherein a communicating tube is provided between said discharging tube and said return tube, said discharging tube and said return tube are communicated via said communicating tube, a measuring hole is provided between said discharging valve and said return valve, and said PH sensor comprises a probe inserted into said measuring hole.

3. The container for on-line measurement of PH according to claim 2, wherein a water inlet pipe is provided between the discharge valve and the measuring hole, and a water inlet valve is provided on the water inlet pipe.

4. The container for on-line measurement of pH according to claim 3, wherein a water outlet pipe is provided between the measuring hole and the feed back pump, and a water outlet valve is provided on the water outlet pipe.

5. The on-line PH measurable apparatus as set forth in claim 4, further comprising a protective solution tank for containing a protective solution for the PH sensor, and a robot for removing the probe from the measuring hole and installing the probe to the measuring hole.

6. The container capable of on-line measuring PH according to claim 1, wherein a material pool is disposed between the discharging pipe and the material return pipe, the discharging pipe and the material return pipe are both communicated with the material pool, an upper end of the material pool is open, and the PH sensor extends into the material pool to measure PH.

7. The on-line PH measuring container according to claim 6, further comprising a cleaning tank for cleaning the PH sensor and a robot, wherein the PH sensor comprises a probe fixed to the robot, and the robot moves the probe of the PH sensor.

8. The vessel for on-line measurement of pH according to claim 7, wherein a sprinkler head is installed in the cleaning tank, the sprinkler head is installed on one side wall of the cleaning tank, and the sprinkler head sprays water toward the other side wall opposite to the sprinkler head.

9. The container capable of on-line measuring PH according to claim 8, further comprising a protection solution tank for containing a protection solution of the PH sensor, wherein the PH sensor is inserted into the protection solution tank after the PH sensor is taken out from the material tank by the manipulator and cleaned in the cleaning tank; and/or the presence of a gas in the gas,

the manipulator comprises a base, an extension arm and a rotating arm, wherein two ends of the extension arm are respectively connected with the base and the rotating arm, and a rotating motor is arranged between the rotating arm and the extension arm.

10. The container for on-line measurement of PH as claimed in claim 1, wherein the container body further comprises a paddle, and the paddle extends into the containing cavity.

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