Anti-corrosion device for measuring pH in reaction kettle

Abstract

The utility model relates to the technical field of pH measurement, in particular to an anti-corrosion device for measuring pH in a reaction kettle, which is convenient to detect different depths, improves the practicability, is convenient to clean and improves the subsequent detection quality. Comprising a detection mechanism; the device further comprises a height adjusting mechanism, two installation mechanisms, a cleaning mechanism, a cleaning mechanism and a driving mechanism, the height adjusting mechanism can be installed on the detection mechanism or the cleaning mechanism through the installation mechanisms, the cleaning mechanism is installed on the side wall of the detection mechanism, the cleaning mechanism is installed in the cleaning mechanism, and the driving mechanism is installed in the cleaning mechanism. The pH value is detected through the detection mechanism, the height adjusting mechanism assists the detection mechanism in detecting the pH value at different depths, the height adjusting mechanism is fixed through the mounting mechanism, the height adjusting mechanism is cleaned through the cleaning mechanism, and the driving mechanism drives the cleaning mechanism to clean the height adjusting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of pH measurement, in particular to a pH measuring device in a corrosion-resistant reactor. Background Art

[0002] The pH measuring device is a device used to test the acidity and alkalinity of a solution. It works based on Bohr's law and electrochemical principles. The device mainly includes a glass electrode and a reference electrode. The glass electrode has the characteristic of selectively reacting with hydrogen ions. When the concentration of hydrogen ions in the solution changes, a potential difference will be generated in the saturated salt solution inside the glass electrode. This potential difference is proportional to the concentration of hydrogen ions in the solution. By converting this potential difference into current, and further converting the current into a voltage signal, after a series of calibrations and calculations, the pH measuring device can accurately measure the acidity and alkalinity of the solution.

[0003] In the existing pH measurement technology, for example, the prior art with application number CN202121865310.1, a "Y"-shaped pipeline, a circulating alkali solution inlet pipeline, a flushing water inlet pipeline, a large-diameter pipeline, a small-diameter pipeline, a liquid outlet pipeline, a conductivity meter, a pH meter, a flange and a valve are used to increase the diameter of the instrument installation pipeline, reduce the liquid flow rate, and reduce the impact and friction on the instrument; at the same time, adding a flushing water inlet pipeline at the inlet pipeline can realize online flushing of the instrument and reduce liquid corrosion to the instrument.

[0004] However, the existing technology is not convenient for detecting the pH value at different depths of the anti-corrosion reactor, which reduces its practicality. In addition, the existing technology is not convenient for cleaning and maintenance, which further affects the accuracy of the detection. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a pH measuring device in a corrosion-resistant reactor, which is convenient for detecting different depths, improves practicality, and is easy to clean, thereby improving the quality of subsequent detection.

[0006] The utility model discloses a pH measuring device in a reaction kettle for corrosion prevention, comprising a detection mechanism; a height adjustment mechanism, two mounting mechanisms, a cleaning mechanism, a clearing mechanism and a driving mechanism. The height adjustment mechanism can be mounted on the detection mechanism or the clearing mechanism through the mounting mechanism, the cleaning mechanism is mounted on the side wall of the detection mechanism, the clearing mechanism is mounted in the clearing mechanism, and the driving mechanism is mounted in the clearing mechanism. The pH value is detected by the detection mechanism, the height adjustment mechanism assists the detection mechanism in detecting the pH value at different depths, the mounting mechanism fixes the height adjustment mechanism, the cleaning mechanism clears the height adjustment mechanism, and the driving mechanism drives the clearing mechanism to clear the height adjustment mechanism; the pH value is detected by the detection mechanism, the height adjustment mechanism assists the detection mechanism in detecting the pH value at different depths, thereby improving practicability, the mounting mechanism fixes the height adjustment mechanism, the cleaning mechanism clears the height adjustment mechanism, and the driving mechanism drives the clearing mechanism to clear the height adjustment mechanism, thereby improving practicability.

[0007] Preferably, the detection mechanism includes a reactor, a probe, and an analyzer, the probe is installed at the bottom of the height adjustment mechanism, and the analyzer is installed at the top of the reactor; the probe is driven to rise and fall by opening the height adjustment mechanism, and the pH value at different depths is detected by the probe, and then the pH value is analyzed by the analyzer.

[0008] Preferably, the height adjustment mechanism includes an adjusting sleeve, a sliding rod, a lead screw and an adjusting motor. The adjusting sleeve is installed on the top of the reactor through the installation mechanism, the sliding rod is slidably installed in the adjusting sleeve, the lead screw is rotatably installed in the adjusting sleeve, the lead screw is threadedly matched with the sliding rod, the adjusting motor is installed on the top of the adjusting sleeve, the output end of the adjusting motor is connected to the lead screw, and the probe is installed at the bottom end of the sliding rod; the lead screw is driven to rotate by turning on the adjusting motor, and then the sliding rod is driven to slide in the adjusting sleeve through the threaded relationship, thereby driving the probe to rise and fall, so that the pH value at different depths is detected through the probe, and then the pH value is analyzed through the analyzer.

[0009] Preferably, the mounting mechanism includes a first mounting plate, a second mounting plate, a first rotating shaft, a threaded rod and a nut wrench, the first mounting plate is mounted on the top of the reactor, the second mounting plate is mounted on the outer wall of the adjusting sleeve, the first mounting plate and the second mounting plate are both provided with mounting grooves, the first rotating shaft is rotatably mounted in the mounting groove of the first mounting plate, the threaded rod is mounted on the first rotating shaft, the nut wrench drives the threaded rod through a threaded relationship, and another mounting mechanism is mounted on the cleaning mechanism; when pH value detection is to be performed, the second mounting plate is mounted on the first mounting plate at the top of the reactor, and then the threaded rod is rotated so that the threaded rod passes through the first mounting plate. The mounting plate and the mounting groove of the second mounting plate are then fixed by rotating the nut wrench due to the threaded relationship, and then the lead screw is driven to rotate by turning on the adjusting motor, and then the sliding rod is driven to slide in the adjusting sleeve through the threaded relationship, thereby driving the probe to rise and fall, so that the pH value at different depths is detected by the probe, and then the pH value is analyzed by the analyzer. When the height adjustment mechanism and the probe need to be cleaned, the first mounting plate is installed on the second mounting plate at the top of the cleaning mechanism, and then the cleaning mechanism is driven by opening the driving mechanism to clean the height adjustment mechanism and the probe.

[0010] Preferably, the cleaning mechanism includes a cleaning water tank, a water inlet pipe and a water outlet pipe. The cleaning water tank is installed on the side wall of the reactor, the water inlet pipe and the water outlet pipe are installed on the side wall of the cleaning water tank, and the water outlet pipe is installed on the valve; the cleaning liquid is added to the cleaning water tank through the water inlet pipe, and then the height adjustment mechanism and the probe are cleaned through the cleaning mechanism, and then the valve on the water outlet pipe is opened to discharge the cleaning liquid through the water outlet pipe.

[0011] Preferably, the cleaning mechanism includes a rotating plate, a rotating top plate, two cleaning shafts and a brush, the rotating plate is rotatably mounted on the inner wall of the cleaning water tank, the rotating top plate is rotatably mounted on the top of the interior of the cleaning water tank, one end of the two cleaning shafts are rotatably mounted on the rotating plate and the rotating top plate respectively, and the brush is mounted on the cleaning shaft; when the height adjustment mechanism and the probe are to be cleaned, the first mounting plate is mounted on the second mounting plate at the top of the cleaning water tank, and then the two cleaning shafts are driven to rotate by opening the driving mechanism, and then the height adjustment mechanism and the probe are cleaned by the brush.

[0012] Preferably, the driving mechanism comprises a driving turntable, a first gear, a second gear, a gear ring and a driving motor, the driving turntable is rotatably mounted at the bottom end of the cleaning water tank, the first gear and the second gear are both rotatably mounted on the first gear, the first gear and the second gear are respectively connected to two cleaning shafts, the first gear is meshed with the second gear, the gear ring is mounted on the inner wall of the cleaning water tank, the gear ring is meshed with the first gear, the driving motor is mounted at the bottom end of the cleaning water tank, and the output end of the driving motor is connected to the driving turntable; when the height adjustment mechanism and the probe are to be cleaned, the first mounting plate is mounted on the second mounting plate at the top of the cleaning water tank, and then the driving turntable is driven to rotate by turning on the driving motor, and then the rotating plate is driven to rotate by connecting the two cleaning shafts with the first gear and the second gear, and then the two cleaning shafts are driven to rotate around the height adjustment mechanism and the probe, and then the outer wall of the height adjustment mechanism and the probe is cleaned, the first gear is driven to rotate eccentrically by the driving turntable, and then the first gear is driven to rotate by the meshing relationship between the first gear and the gear ring, and then the two cleaning shafts are driven to rotate by the meshing of the first gear and the second gear, and then the height adjustment mechanism and the probe are cleaned by a brush, thereby improving the quality of subsequent detection.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the pH value is detected by the detection mechanism, the height adjustment mechanism assists the detection mechanism in detecting the pH value at different depths, thereby improving practicality, the installation mechanism fixes the height adjustment mechanism, the cleaning mechanism cleans the height adjustment mechanism, and the driving mechanism drives the cleaning mechanism to clean the height adjustment mechanism, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0015] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0016] Figure 3 It is a third axonometric structural schematic diagram of the utility model;

[0017] Figure 4 It is a front-view cross-sectional axonometric structural schematic diagram of the utility model;

[0018] Figure 5 It is a schematic diagram of the top-view cross-section axonometric structure of the utility model;

[0019] Figure 6 It is a front cross-sectional structural schematic diagram of the utility model;

[0020] Figure 7 The utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0021] Markings in the accompanying drawings: 01, detection mechanism; 11, reactor; 12, probe; 13, analyzer; 02, height adjustment mechanism; 21, adjustment sleeve; 22, sliding rod; 23, screw; 24, adjustment motor; 03, mounting mechanism; 31, first mounting plate; 32, second mounting plate; 33, first rotating shaft; 34, threaded rod; 35, nut wrench; 04, cleaning mechanism; 41, cleaning water tank; 42, water inlet pipe; 43, water outlet pipe; 05, cleaning mechanism; 51, rotating plate; 52, rotating top plate; 53, cleaning rotating shaft; 54, brush; 06, driving mechanism; 61, driving turntable; 62, first gear; 63, second gear; 64, gear ring; 65, driving motor. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] Example 1

[0024] like Figures 1 to 7 As shown, it includes a detection mechanism 01, a height adjustment mechanism 02, two mounting mechanisms 03, a cleaning mechanism 04, a cleaning mechanism 05 and a driving mechanism 06. The height adjustment mechanism 02 can be mounted on the detection mechanism 01 or the cleaning mechanism 04 through the mounting mechanism 03. The cleaning mechanism 04 is mounted on the side wall of the detection mechanism 01. The cleaning mechanism 05 is mounted in the cleaning mechanism 04. The driving mechanism 06 is mounted in the cleaning mechanism 04.

[0025] The pH value is detected by the detection mechanism 01, the height adjustment mechanism 02 assists the detection mechanism 01 to detect the pH value at different depths, the installation mechanism 03 fixes the height adjustment mechanism 02, the cleaning mechanism 04 cleans the height adjustment mechanism 02, and the driving mechanism 06 drives the cleaning mechanism 05 to clean the height adjustment mechanism 02;

[0026] The detection mechanism 01 includes a reaction kettle 11, a probe 12, and an analyzer 13. The probe 12 is installed at the bottom end of the height adjustment mechanism 02, and the analyzer 13 is installed at the top end of the reaction kettle 11;

[0027] The height adjustment mechanism 02 includes an adjustment sleeve 21, a sliding rod 22, a lead screw 23 and an adjustment motor 24. The adjustment sleeve 21 is installed on the top of the reactor 11 through the installation mechanism 03. The sliding rod 22 is slidably installed in the adjustment sleeve 21. The lead screw 23 is rotatably installed in the adjustment sleeve 21. The lead screw 23 and the sliding rod 22 are threadedly matched. The adjustment motor 24 is installed on the top of the adjustment sleeve 21. The output end of the adjustment motor 24 is connected to the lead screw 23. The probe 12 is installed at the bottom end of the sliding rod 22.

[0028] The mounting mechanism 03 includes a first mounting plate 31, a second mounting plate 32, a first rotating shaft 33, a threaded rod 34 and a nut wrench 35. The first mounting plate 31 is mounted on the top of the reactor 11, and the second mounting plate 32 is mounted on the outer wall of the adjusting sleeve 21. The first mounting plate 31 and the second mounting plate 32 are both provided with mounting grooves. The first rotating shaft 33 is rotatably mounted in the mounting groove of the first mounting plate 31. The threaded rod 34 is mounted on the first rotating shaft 33. The nut wrench 35 drives the threaded rod 34 through a threaded relationship. Another mounting mechanism 03 is mounted on the cleaning mechanism 04.

[0029] The screw 23 is driven to rotate by turning on the adjusting motor 24, and then the sliding rod 22 is driven to slide in the adjusting sleeve 21 through the threaded relationship, thereby driving the probe 12 to rise and fall, so that the pH value at different depths is detected by the probe 12, and then the pH value is analyzed by the analyzer 13. When the pH value is to be detected, the second mounting plate 32 is mounted on the first mounting plate 31 at the top of the reactor 11, and then the threaded rod 34 is rotated so that the threaded rod 34 passes through the mounting grooves of the first mounting plate 31 and the second mounting plate 32, and then the nut wrench 35 is rotated. Due to the threaded relationship, the nut wrench 35 is driven to fix the rotating top plate 52, and then the screw 23 is driven to rotate by turning on the adjusting motor 24, and then the sliding rod 22 is driven to slide in the adjusting sleeve 21 through the threaded relationship, thereby driving the probe 12 to rise and fall, so that the pH value at different depths is detected by the probe 12, and then the pH value is analyzed by the analyzer 13. The cleaning mechanism 04 cleans the height adjustment mechanism 02, and the driving mechanism 06 drives the cleaning mechanism 05 to clean the height adjustment mechanism 02, thereby improving practicality.

[0030] Example 2

[0031] like Figure 4 and Figure 5As shown, it includes a detection mechanism 01, a height adjustment mechanism 02, two mounting mechanisms 03, a cleaning mechanism 04, a cleaning mechanism 05 and a driving mechanism 06. The height adjustment mechanism 02 can be mounted on the detection mechanism 01 or the cleaning mechanism 04 through the mounting mechanism 03. The cleaning mechanism 04 is mounted on the side wall of the detection mechanism 01. The cleaning mechanism 05 is mounted in the cleaning mechanism 04. The driving mechanism 06 is mounted in the cleaning mechanism 04.

[0032] The pH value is detected by the detection mechanism 01, the height adjustment mechanism 02 assists the detection mechanism 01 to detect the pH value at different depths, the installation mechanism 03 fixes the height adjustment mechanism 02, the cleaning mechanism 04 cleans the height adjustment mechanism 02, and the driving mechanism 06 drives the cleaning mechanism 05 to clean the height adjustment mechanism 02;

[0033] The cleaning mechanism 04 includes a cleaning water tank 41, a water inlet pipe 42 and a water outlet pipe 43. The cleaning water tank 41 is installed on the side wall of the reactor 11, the water inlet pipe 42 and the water outlet pipe 43 are installed on the side wall of the cleaning water tank 41, and the valve is installed on the water outlet pipe 43;

[0034] The cleaning mechanism 05 includes a rotating plate 51, a rotating top plate 52, two cleaning rotating shafts 53 and a brush 54. The rotating plate 51 is rotatably mounted on the inner wall of the cleaning water tank 41, the rotating top plate 52 is rotatably mounted on the top of the interior of the cleaning water tank 41, one end of the two cleaning rotating shafts 53 is rotatably mounted on the rotating plate 51 and the rotating top plate 52 respectively, and the brush 54 is mounted on the cleaning rotating shaft 53;

[0035] The driving mechanism 06 includes a driving turntable 61, a first gear 62, a second gear 63, a gear ring 64 and a driving motor 65. The driving turntable 61 is rotatably mounted on the bottom end of the cleaning water tank 41. The first gear 62 and the second gear 63 are both rotatably mounted on the first gear 62. The first gear 62 and the second gear 63 are respectively connected to the two cleaning shafts 53. The first gear 62 is meshed with the second gear 63. The gear ring 64 is mounted on the inner wall of the cleaning water tank 41. The gear ring 64 is meshed with the first gear 62. The driving motor 65 is mounted on the bottom end of the cleaning water tank 41. The output end of the driving motor 65 is connected to the driving turntable 61.

[0036] The pH value is detected by the detection mechanism 01, and the height adjustment mechanism 02 assists the detection mechanism 01 to detect the pH value at different depths to improve practicality. The installation mechanism 03 fixes the height adjustment mechanism 02, and the cleaning liquid is added to the cleaning water tank 41 through the water inlet pipe 42, and then the height adjustment mechanism 02 and the probe 12 are cleaned through the cleaning mechanism 05, and then the valve on the outlet pipe 43 is opened to discharge the cleaning liquid through the outlet pipe 43. When the height adjustment mechanism 02 and the probe 12 are to be cleaned, the first installation plate 31 is installed on the second installation plate 32 at the top of the cleaning water tank 41, and then the drive motor 65 is turned on to drive the drive motor 65 ... height adjustment mechanism 02 and the probe 12 to be cleaned. The disk 61 rotates, and then drives the rotating plate 51 to rotate through the two cleaning shafts 53 connected to the first gear 62 and the second gear 63, and then drives the two cleaning shafts 53 to rotate around the height adjustment mechanism 02 and the probe 12, and then cleans the outer wall of the height adjustment mechanism 02 and the probe 12, and drives the first gear 62 to rotate eccentrically by driving the turntable 61, and then drives the first gear 62 to rotate through the meshing relationship between the first gear 62 and the gear ring 64, and then drives the two cleaning shafts 53 to rotate through the meshing of the first gear 62 and the second gear 63, and then cleans the height adjustment mechanism 02 and the probe 12 through the brush 54, thereby improving the quality of subsequent detection.

[0037] like Figures 1 to 7As shown, the utility model is a pH measuring device for corrosion-resistant reactors. When working, the adjusting motor 24 is turned on to drive the lead screw 23 to rotate, and then the sliding rod 22 is driven to slide in the adjusting sleeve 21 through the threaded relationship, thereby driving the probe 12 to rise and fall, so that the pH value of different depths is detected by the probe 12, and then the pH value is analyzed by the analyzer 13. When the pH value is to be detected, the second mounting plate 32 is mounted on the first mounting plate 31 at the top of the reactor 11, and then the threaded rod 34 is rotated so that the threaded rod 34 passes through the mounting grooves of the first mounting plate 31 and the second mounting plate 32, and then the nut wrench 35 is rotated to fix the rotating top plate 52 due to the threaded relationship, and then the adjusting motor 24 is turned on to drive the lead screw 23 to rotate, and then the sliding rod 22 is driven to slide in the adjusting sleeve 21 through the threaded relationship, thereby driving the probe 12 to rise and fall, so that the pH value of different depths is detected by the probe 12, and then the pH value is analyzed by the analyzer 13, and the pH value is detected by the water inlet pipe 42. The cleaning liquid is added to the washing water tank 41, and then the height adjustment mechanism 02 and the probe 12 are cleaned through the cleaning mechanism 05, and then the valve on the outlet pipe 43 is opened to discharge the cleaning liquid through the outlet pipe 43. When the height adjustment mechanism 02 and the probe 12 are to be cleaned, the first mounting plate 31 is mounted on the second mounting plate 32 at the top of the washing water tank 41, and then the driving motor 65 is turned on to drive the driving turntable 61 to rotate, and then the two cleaning shafts 53 are connected to the first gear 62 and the second gear 63 to drive the rotating plate 5 1 rotates, thereby driving the two cleaning shafts 53 to rotate around the height adjustment mechanism 02 and the probe 12, thereby cleaning the outer walls of the height adjustment mechanism 02 and the probe 12, driving the first gear 62 to rotate eccentrically through the driving turntable 61, and then driving the first gear 62 to rotate through the meshing relationship between the first gear 62 and the gear ring 64, and then driving the two cleaning shafts 53 to rotate through the meshing of the first gear 62 and the second gear 63, and then cleaning the height adjustment mechanism 02 and the probe 12 through the brush 54, thereby improving the quality of subsequent detection.

[0038] The probe 12, analyzer 13, adjustment motor 24 and drive motor 65 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0039] The main functions achieved by the utility model are: in the process of pH measurement, it is convenient to detect different depths, improve practicality, and facilitate cleaning to improve the subsequent detection quality.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A pH measuring device for a corrosion-resistant reactor, comprising a detection mechanism (01); characterized in that: It also includes a height adjustment mechanism (02), two mounting mechanisms (03), a cleaning mechanism (04), a cleaning mechanism (05) and a driving mechanism (06); the height adjustment mechanism (02) can be mounted on the detection mechanism (01) or the cleaning mechanism (04) through the mounting mechanism (03); the cleaning mechanism (04) is mounted on the side wall of the detection mechanism (01); the cleaning mechanism (05) is mounted in the cleaning mechanism (04); and the driving mechanism (06) is mounted in the cleaning mechanism (04); The detection mechanism (01) detects the pH value, the height adjustment mechanism (02) assists the detection mechanism (01) in detecting the pH value at different depths, the mounting mechanism (03) fixes the height adjustment mechanism (02), the cleaning mechanism (04) cleans the height adjustment mechanism (02), and the driving mechanism (06) drives the cleaning mechanism (05) to clean the height adjustment mechanism (02).

2. The pH measuring device for corrosion protection in a reactor according to claim 1, characterized in that: The detection mechanism (01) comprises a reaction kettle (11), a probe (12), and an analyzer (13), wherein the probe (12) is installed at the bottom end of the height adjustment mechanism (02), and the analyzer (13) is installed at the top end of the reaction kettle (11).

3. A pH measuring device for corrosion protection in a reactor as claimed in claim 2, characterized in that: The height adjustment mechanism (02) comprises an adjustment sleeve (21), a sliding rod (22), a lead screw (23) and an adjustment motor (24). The adjustment sleeve (21) is installed at the top of the reaction kettle (11) through the installation mechanism (03). The sliding rod (22) is slidably installed in the adjustment sleeve (21). The lead screw (23) is rotatably installed in the adjustment sleeve (21). The lead screw (23) and the sliding rod (22) are threadedly matched. The adjustment motor (24) is installed at the top of the adjustment sleeve (21). The output end of the adjustment motor (24) is connected to the lead screw (23). The probe (12) is installed at the bottom end of the sliding rod (22).

4. The pH measuring device for corrosion protection in a reactor according to claim 2, characterized in that: The mounting mechanism (03) comprises a first mounting plate (31), a second mounting plate (32), a first rotating shaft (33), a threaded rod (34) and a nut spanner (35). The first mounting plate (31) is mounted on the top of the reaction kettle (11), and the second mounting plate (32) is mounted on the outer wall of the adjusting sleeve (21). Both the first mounting plate (31) and the second mounting plate (32) are provided with mounting grooves. The first rotating shaft (33) is rotatably mounted in the mounting groove of the first mounting plate (31), and the threaded rod (34) is mounted on the first rotating shaft (33). The nut spanner (35) drives the threaded rod (34) through a threaded relationship. Another mounting mechanism (03) is mounted on the cleaning mechanism (04).

5. The pH measuring device for corrosion protection in a reactor according to claim 2, characterized in that: The cleaning mechanism (04) comprises a cleaning water tank (41), a water inlet pipe (42) and a water outlet pipe (43); the cleaning water tank (41) is mounted on the side wall of the reaction kettle (11); the water inlet pipe (42) and the water outlet pipe (43) are mounted on the side wall of the cleaning water tank (41); and the water outlet pipe (43) is mounted on a valve.

6. The pH measuring device for corrosion protection in a reactor according to claim 5, characterized in that: The cleaning mechanism (05) comprises a rotating plate (51), a rotating top plate (52), two cleaning rotating shafts (53) and a brush (54); the rotating plate (51) is rotatably mounted on the inner wall of the cleaning water tank (41); the rotating top plate (52) is rotatably mounted on the top of the interior of the cleaning water tank (41); one end of the two cleaning rotating shafts (53) are rotatably mounted on the rotating plate (51) and the rotating top plate (52) respectively; and the brush (54) is mounted on the cleaning rotating shafts (53).

7. The pH measuring device for corrosion protection in a reactor according to claim 5, characterized in that: The driving mechanism (06) comprises a driving rotating disk (61), a first gear (62), a second gear (63), a gear ring (64) and a driving motor (65). The driving rotating disk (61) is rotatably mounted at the bottom end of the cleaning water tank (41). The first gear (62) and the second gear (63) are both rotatably mounted on the first gear (62). The first gear (62) and the second gear (63) are respectively connected to two cleaning rotating shafts (53). The first gear (62) meshes with the second gear (63). The gear ring (64) is mounted on the inner wall of the cleaning water tank (41). The gear ring (64) meshes with the first gear (62). The driving motor (65) is mounted at the bottom end of the cleaning water tank (41). The output end of the driving motor (65) is connected to the driving rotating disk (61).

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