CN217887681U

CN217887681U - PH meter agitating unit for petroleum auxiliary agent experiments

Info

Publication number: CN217887681U
Application number: CN202221902824.4U
Authority: CN
Inventors: 李焕明; 张梁
Original assignee: Shandong Oubote Petroleum Engineering Technology Co ltd
Current assignee: Shandong Oubote Petroleum Engineering Technology Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-25
Anticipated expiration: 2032-07-22

Abstract

The utility model relates to a pH meter agitating unit for petroleum auxiliary agent experiments, its technical scheme is: the on-line screen storage device comprises a base, base top left side installation pH meter, base top right side installation agitating unit, agitating unit includes the beaker, beaker open-top department installation beaker lid, beaker lid top both sides erection bracing pole, two bracing piece top installation motor mounting panel, motor mounting panel top center installation agitator motor, and the agitator motor rotor can pass the hole at motor mounting panel center, the beneficial effects of the utility model are that: carry out slow at the uniform velocity stirring to the solution that awaits measuring through agitator motor, when shortening measuring time, still make the detection achievement simplification not reduced measurement personnel's fatigue, and need not measurement personnel to pay close attention to the change of beaker solution that awaits measuring constantly, reduced measurement work's loaded down with trivial details nature.

Description

PH meter agitating unit for petroleum auxiliary agent experiments

Technical Field

The utility model relates to a petroleum industry experimental apparatus, concretely relates to pH meter agitating unit is used in petroleum auxiliary agent experiments.

Background

In the petroleum industry, and particularly in drilling wells, many kinds of auxiliary agents are needed, and many experiments are needed, wherein a pH meter is a common tool, and the pH meter is a widely used chemical analysis instrument for measuring the pH value of liquid by using a hydrogen ion selective electrode. The electromotive force is measured and finally converted into the pH value of the liquid to be measured to be displayed. In the actual measurement process, due to the fact that the viscosity and the property of the solution are different, some solutions need a long time to enable the hydrogen ion activity to reach balance, and therefore a stable pH value is measured. In order to shorten the equilibration time, the method of shaking the pH electrode by hand or shaking the liquid container to be measured is generally adopted to shorten the measurement time as much as possible.

However, the mode of shaking the pH electrode by hand or shaking the liquid container to be detected is time-consuming and labor-consuming and has low efficiency; meanwhile, the consistency of the measurement result is poor due to different accuracies of the experimenters on the reading time.

Therefore, it is necessary to design a pH meter stirring device for petroleum additive experiments.

SUMMERY OF THE UTILITY MODEL

For this, the utility model provides a pH meter agitating unit for petroleum auxiliary agent experiments installs agitating unit additional through the beaker top that holds the solution that awaits measuring, adopts the motor of lower rotational speed, and the stirring rotation at its front end is installed in the drive, and then stirs the solution that awaits measuring, makes the hydrogen ion activity ratio reach equilibrium as early as possible in the solution to solve the hand and rock the pH electrode or wave the liquid container that awaits measuring, consuming time power, and easy gassing, influence measuring result's problem.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a pH meter agitating unit for petroleum auxiliary agent experiments, includes the base, base top left side installation pH meter, base top right side installation agitating unit, agitating unit includes the beaker, beaker top opening part installation beaker lid, beaker lid top both sides erection bracing pole, two bracing piece top installation motor mounting panel, motor mounting panel top center installation agitator motor, and the agitator motor rotor can pass the hole at motor mounting panel center.

Preferably, the beaker cover is provided with a first through hole and a second through hole, a fixing plug is arranged in the first through hole, the fixing plug is a foam block with a through hole in the center, and a detection part of the pH meter is arranged in the center of the fixing plug.

Preferably, the through hole two is located on the right side of the beaker cover, the center of the through hole two and the center of the stirring motor rotor are on the same straight line, a bearing is installed in the through hole two, and a rotating shaft is installed at the center of the bearing.

Preferably, the side surface of the front end of the stirring motor rotor is provided with an internal thread hole mounting screw, the screw penetrates through a hole in the side surface of a rotating shaft, and the rotating shaft is mounted at the front end of the stirring motor rotor.

Preferably, the rotation axis outer wall fluting installation snap ring, and two the snap ring is located live-rollers top and below respectively, the live-rollers suit is on the rotation axis outer wall, the live-rollers outer wall installation stirring leaf.

Preferably, the supporting feet are installed at the bottom of the base, and the four supporting feet are respectively located at four corners of the bottom of the base.

The beneficial effects of the utility model are that:

1. the stirring motor is used for stirring, so that the problems of time and labor consumption and low efficiency caused by the mode of shaking the pH electrode by hand or shaking the liquid container to be detected are solved;

2. the solution to be detected does not need to be stirred while the pH meter is observed, the consistency of the reading time and the measurement result does not need to be mastered intentionally, and the pH value of the solution to be detected can be read from the pH meter by turning off the power supply of the stirring motor when the reading of the pH meter is slowly changed and tends to be stable and unchanged, so that the detection work is simplified, and the fatigue degree of detection personnel is reduced;

3. the device simple structure, assembly and disassembly is all relatively easy, can obtain the pH value of the solution to be measured comparatively fast, and can detect repeatedly to guarantee the accuracy of monitoring pH value.

Drawings

FIG. 1 is a schematic diagram of the structure provided by the present invention;

fig. 2 is a top view provided by the present invention;

FIG. 3 is a structural view of a beaker cover provided by the present invention;

fig. 4 is the installation schematic diagram of the stirring blade provided by the utility model.

In the figure: the device comprises a base 100, a supporting foot 110, a pH meter 200, a stirring device 300, a beaker 310, a solution to be measured 311, a beaker cover 320, a first through hole 321, a fixing plug 322, a second through hole 323, a bearing 324, a supporting rod 330, a motor mounting plate 331, a stirring motor 340, a screw 341, a rotating shaft 350, a clamping ring 351, a rotating roller 360 and a stirring blade 361.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

Embodiment 1, refer to fig. 1-4, the utility model provides a pH meter stirring device for petroleum auxiliary agent experiments, including base 100, base 100 top left side installation pH meter 200, base 100 top right side installation stirring device 300, stirring device 300 includes beaker 310, beaker 310 top opening part installation beaker lid 320, beaker lid 320 top both sides installation bracing piece 330, two bracing pieces 330 top installation motor mounting panel 331, motor mounting panel 331 top center installation agitator motor 340, and agitator motor 340 rotor can pass the hole in motor mounting panel 331 center; the base 100 plays a role in supporting the pH meter 200 and the stirring device 300, the pH meter 200 is an instrument for measuring the pH value of a solution, the pH meter 200 works by utilizing the principle of a galvanic cell, the electromotive force between two electrodes of the galvanic cell is related to the self attribute of the electrodes and the hydrogen ion concentration in the solution according to the Nernst law, a corresponding relation exists between the electromotive force of the galvanic cell and the hydrogen ion concentration, the negative logarithm of the hydrogen ion concentration is the pH value, and the pH meter 200 can be contacted with the solution to be measured through a detection part so as to measure the pH value of the solution to be measured and display the pH value; agitating unit 300 is mainly including the beaker 310 that can hold the solution that awaits measuring, beaker 310 open-top plays the effect of installation beaker lid 320, beaker lid 320 plays the confined effect to the beaker 310 suitable for reading, beaker lid 320 plays the effect of installation motor mounting panel 331 through two bracing pieces 330 at top, motor mounting panel 331 plays the effect of fixed agitator motor 340, motor mounting panel 331 is through the mode at central trompil, make agitator motor 340's rotor can pass motor mounting panel 331 and be connected with axis of rotation 350.

The beaker cover 320 is provided with a first through hole 321 and a second through hole 323, a fixing plug 322 is arranged in the first through hole 321, the fixing plug 322 is a foam block with a through hole at the center, and a detection component of the pH meter 200 is arranged at the center of the fixing plug 322; the second through hole 323 is positioned on the right side of the beaker cover 320, the center of the second through hole 323 and the center of the rotor of the stirring motor 340 are on the same straight line, a bearing 324 is arranged in the second through hole 323, and a rotating shaft 350 is arranged at the center of the bearing 324; the beaker cover 320 plays a role of installing the fixing plug 322 and the bearing 324 through the first through hole 321 and the second through hole 323, and plays a role of installing the pH meter 200 detection part and the rotating shaft 350 through the through holes at the centers of the fixing plug 322 and the bearing 324.

The side surface of the front end of the rotor of the stirring motor 340 is provided with an internal thread hole mounting screw 341, the screw 341 passes through a hole on the side surface of the rotating shaft 350, and the rotating shaft 350 is mounted at the front end of the rotor of the stirring motor 340; the outer wall of the rotating shaft 350 is provided with clamping rings 351 in a groove manner, the two clamping rings 351 are respectively positioned above and below the rotating roller 360, the rotating roller 360 is sleeved on the outer wall of the rotating shaft 350, and the outer wall of the rotating roller 360 is provided with stirring blades 361; the screw 341 penetrates through the hole on the side of the rotating shaft 350 and rotates in the internal thread hole on the side of the front end of the rotor of the stirring motor 340, so as to fix the rotating shaft 350 on the rotor of the stirring motor 340, and the stirring motor 340 can drive the rotating shaft 350 to rotate through the rotor; the rotating roller 360 is sleeved on the outer wall of the rotating shaft 350, two clamping rings 351 are arranged on the rotating shaft 350 in a groove mode, the two clamping rings 351 are respectively located above and below the rotating roller 360, the rotating roller 360 is fixed, the rotating roller 360 can be driven to rotate when the rotating shaft 350 rotates, and the rotating roller 360 can be prevented from sliding up and down to influence the stirring speed; the stirring blade 361 installed on the rotating roller 360 can stir the solution to be measured in the beaker 310 when the stirring roller 360 rotates, so that the activity of hydrogen ions is rapidly balanced, and the purpose of shortening the measurement time is achieved.

Base 100 plays the effect of joint support foot 110, and four support feet 11 are located four angles of base 100 bottom respectively, when supporting whole pH meter agitating unit for petroleum auxiliary agent experiments through base 100, can guarantee its stability.

The utility model discloses a use as follows: the person skilled in the art mounts the pH meter 200 and the stirring device 300 on the left and right sides of the top of the base 100, respectively, and pours the solution to be measured into the beaker 310;

respectively installing a fixing plug 322 and a bearing 324 in a first through hole 321 and a second through hole 323 on the top surface of the beaker cover 320, and then fixing a stirring motor 340 above a motor mounting plate 331 at the top of the beaker cover 320, so that a rotor part of the stirring motor 331 can pass through the through hole in the center of the motor mounting plate 331, and the rotation of the rotor is not blocked;

installing a stirring blade 361 playing a role in stirring on the outer wall of a rotating roller 360, then sleeving the rotating roller 360 on a rotating shaft 350, installing clamping rings 351 in two grooves on the outer wall of the rotating shaft 350, fixing the rotating roller 360 at the middle position of the rotating shaft 350 under the action of the two clamping rings 351, finally enabling the upper end of the rotating shaft 350 to pass through a bearing on a beaker cover 320 and be sleeved on a rotor of a stirring motor 340, then utilizing a screw 341 penetrating through a hole in the side wall of the rotating shaft 350 to rotate in an internal thread hole in the side wall of the rotor of the stirring motor 340, fixing the rotating shaft 350 on the rotor of the stirring motor 340, enabling the stirring motor 340 to drive the rotating shaft 350 to rotate through the rotor when in operation, further driving the stirring blade 361 to rotate in a solution to be detected through the rotating roller 360, stirring the solution to be detected, and enabling the activity of hydrogen ions in the solution to be detected to quickly reach balance;

when the pH value of the solution to be detected is detected, firstly, an external power supply is switched on, whether the operation of each part structure which works by means of electric power is normal or not is observed, after the fact that no error exists, a beaker cover 320 with a stirring tool is covered on the beaker 310, then a detection part of the pH meter 200 is inserted into the beaker 310 from a first through hole 321, the detection part of the pH meter 200 can be inserted into the solution to be detected in the beaker 310 from the first through hole 321, and the detection part is fixed under the action of a fixing plug 322; when the detection is started, an external power supply is turned on, the stirring motor 340 starts to work, and the stirring blades 361 arranged on the side wall of the rotating roller 360 are driven to rotate in the solution to be detected by driving the rotating shaft 350 fixed at the front end of the rotor to rotate, so that the solution to be detected is stirred, and the activity of hydrogen ions in the solution to be detected is rapidly balanced; the inspector only needs to pay attention to the change of the pH value of the solution to be tested displayed on the pH meter 200, and when the value displayed on the pH meter 200 tends to be stable, the stirring motor 340 can be turned off to stop stirring the solution to be tested, and the pH value of the solution to be tested displayed on the pH meter 200 at the moment is recorded, so that the inspection can be repeated for several times to avoid errors, and the detected pH value is more accurate after the average value is obtained and is close to the real pH value of the solution to be tested.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a pH meter agitating unit for petroleum auxiliary agent experiments, includes base (100), its characterized in that: base (100) top left side installation pH meter (200), base (100) top right side installation agitating unit (300), agitating unit (300) include beaker (310), beaker lid (320) is installed to beaker (310) top opening part, beaker lid (320) top both sides erection bracing pole (330), two bracing piece (330) top installation motor mounting panel (331), motor mounting panel (331) top center installation agitator motor (340), and agitator motor (340) rotor can pass the hole at motor mounting panel (331) center.

2. The pH meter stirring device for the petroleum auxiliary agent experiment according to claim 1, which is characterized in that: the beaker cover (320) is provided with a first through hole (321) and a second through hole (323), a fixing plug (322) is arranged in the first through hole (321), the fixing plug (322) is a foam block with a central through hole, and a detection part of the pH meter (200) is arranged at the center of the fixing plug (322).

3. The pH meter stirring device for the petroleum auxiliary agent experiment according to claim 2, which is characterized in that: the second through hole (323) is located on the right side of the beaker cover (320), the center of the second through hole (323) and the center of the rotor of the stirring motor (340) are on the same straight line, a bearing (324) is installed in the second through hole (323), and a rotating shaft (350) is installed in the center of the bearing (324).

4. The pH meter stirring device for petroleum auxiliary experiments as claimed in claim 1, wherein: the side surface of the front end of the rotor of the stirring motor (340) is provided with an internal thread hole mounting screw (341), the screw (341) penetrates through a hole in the side surface of the rotating shaft (350), and the rotating shaft (350) is mounted at the front end of the rotor of the stirring motor (340).

5. The pH meter stirring device for petroleum auxiliary experiments as claimed in claim 4, wherein: axis of rotation (350) outer wall fluting installation snap ring (351), and two snap ring (351) are located live-rollers (360) top and below respectively, live-rollers (360) suit is on axis of rotation (350) outer wall, live-rollers (360) outer wall installation stirring leaf (361).

6. The pH meter stirring device for the petroleum auxiliary agent experiment according to claim 1, which is characterized in that: the bottom of the base (100) is provided with supporting feet (110), and the four supporting feet (110) are respectively positioned at four corners of the bottom of the base (100).