PH value tester of hydrolysis reaction kettle

Abstract

The utility model discloses a hydrolysis reaction kettle pH value tester, which comprises a kettle body and a pH tester, a support table is welded on the side wall of the kettle body, a sampling bottle is placed on the support table, the top of the sampling bottle is communicated with a sampling tube, one end of the sampling tube is communicated with the side wall of the kettle body, a sampling valve is arranged on the sampling tube, and the pH tester is arranged on the support table. A cleaning bottle is placed on the supporting table, a hydrolysis reaction product in the kettle body is sampled into the sampling bottle by controlling the sampling valve to be opened, and then the electric cylinder is controlled to enable an electrode of the pH tester to extend into the sampling bottle to detect the pH value of a taken sample solution; the condition that the pH determinator is damaged or the determination result is influenced due to the fact that the length of the pH determinator extending into the kettle body is uncertain is avoided; according to the equipment, the sampling valve and the sampling pipe are controlled for sampling, then the pH value of a solution is detected in the sampling bottle, and the situation that the kettle body is directly opened, the air pressure or oxygen concentration in the kettle body is affected, and then the hydrolysis reaction is affected is avoided.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of pH determination, in particular to a pH value tester for a hydrolysis reactor. BACKGROUND

[0002] During the hydrolysis reaction, the pH value of the liquid material in the reaction process needs to be monitored in real time, so that the pH value is kept in an optimal range during the hydrolysis reaction, and the hydrolysis product is effectively formed and stably exists. Generally, when the PG value of the hydrolysis reactor body is detected, the pH tester is inserted into the reactor body to detect the pH value of the liquid. The liquid level in the reactor body is inconvenient to watch, the length of the pH tester inserted into the reactor body is uncertain, the insertion is too short to affect the determination result, the insertion is too long to damage the pH tester, and the reactor body needs to be opened when the pH value is measured, so that the air pressure and oxygen concentration in the reactor body change, and the hydrolysis reaction result is affected. CONTENT OF THE UTILITY MODEL

[0003] The application provides a pH value tester for a hydrolysis reactor. The pH tester is arranged on a support table welded on the side wall of the reactor body. The hydrolysis reaction product in the reactor body is sampled into a sampling bottle by controlling the sampling valve to be opened, and then the electrode of the pH tester is inserted into the sampling bottle by controlling the electric cylinder to detect the pH value of the sampled solution, so that the length of the pH tester inserted into the reactor body is uncertain, the pH tester is damaged or the determination result is affected. The equipment samples by controlling the sampling valve and the sampling pipe, and then detects the pH value of the solution in the sampling bottle, so that the reactor body is not directly opened, the air pressure or oxygen concentration in the reactor body is not affected, and the hydrolysis reaction is not affected.

[0004] The application provides a pH value tester for a hydrolysis reactor, which comprises a reactor body and a pH value tester. The top of the reactor body is provided with two feeding ports, each of which is provided with a top cover. A rotating shaft is arranged on the inner top of the reactor body. The top of the rotating shaft penetrates through the inner top of the reactor body and is connected with a motor. The motor is installed on the top of the reactor body. A discharging port is arranged on the bottom of the reactor body and is provided with a discharging valve. Four supporting rods are welded on the side wall of the reactor body and are welded on the same base. A supporting table is welded on the side wall of the reactor body. A sampling bottle is placed on the supporting table. A sampling pipe is communicated with the top of the sampling bottle. One end of the sampling pipe is communicated with the side wall of the reactor body. A sampling valve is arranged on the sampling pipe. The pH value tester is installed on the supporting table. The pH value tester comprises a sleeve rod, a cross rod and a measuring rod. The sleeve rod comprises an outer sleeve rod and an inner sleeve rod. The inner sleeve rod is sleeved in the outer sleeve rod. The cross rod comprises an outer cross rod and an inner cross rod. The inner cross rod is sleeved in the outer cross rod. The outer sleeve rod is installed and connected on the supporting table. An electric cylinder one is installed on the inner bottom of the outer sleeve rod. The connecting head of the electric cylinder one is connected with the outer sleeve rod. The top of the inner sleeve rod is nested with one end of the outer cross rod. An electric cylinder two is installed at the nested position of the top of the inner sleeve rod and the outer cross rod. The connecting head of the electric cylinder two is connected with the inner cross rod. The measuring rod is connected with the inner cross rod at the bottom of the side wall. An electrode is installed on the bottom of the measuring rod. A cleaning bottle is placed on the supporting table.

[0005] A PLC controller is connected with the reactor body and the pH value tester. The motor, the discharging valve, the sampling valve, the electric cylinder and the electrode are electrically connected with the PLC controller.

[0006] Further, a plurality of stirring rods are arranged on the rotating shaft.

[0007] Further, a first clamping groove is arranged on the supporting table at the position corresponding to the sampling bottle.

[0008] Further, a second clamping groove is arranged on the supporting table at the position corresponding to the cleaning bottle.

[0009] Further, an iron rod is arranged on the bottom of the supporting table and is fixed on the base.

[0010] Further, a display screen and a plurality of operation buttons are arranged on the PLC controller.

[0011] The application provides a pH value tester for a hydrolysis reactor, which comprises a reactor body and a pH value tester. Two feed inlets are arranged on the top of the reactor body, and a top cover is arranged on each feed inlet. The top cover is opened, and appropriate materials to be reacted are poured into the reactor body through the two feed inlets, and then the top cover is closed to keep the reactor body in a sealed state. A rotating shaft is arranged on the inner top of the reactor body, and a motor is connected to the top of the rotating shaft and arranged on the top of the reactor body. During the hydrolysis reaction, the motor is started by a PLC controller, the rotating shaft is driven to rotate by the motor, the stirring rod on the rotating shaft is driven to rotate, the materials in the reactor body are stirred by the stirring rod, the materials in the reactor body are fully reacted, a discharge outlet is arranged on the bottom of the reactor body, a discharge valve is arranged on the discharge outlet, the hydrolysis product generated after the reaction is discharged from the discharge outlet when the discharge valve is opened by the PLC controller, four supporting rods are welded on the side wall of the reactor body, the four supporting rods are welded on the same base, and the four supporting rods support the reactor body. A supporting table is welded on the side wall of the reactor body, a sampling bottle is arranged on the supporting table, a sampling pipe is connected to the top of the sampling bottle, one end of the sampling pipe is connected to the side wall of the reactor body, a sampling valve is arranged on the sampling pipe, and the pH value of the materials in the reactor body can be detected when necessary during the reaction. The sampling valve is opened by the PLC controller, the materials in the reactor body flow into the sampling bottle through the sampling pipe, and then the sample solution in the sampling bottle is detected by the pH value tester. The length of the pH value tester inserted into the reactor body is uncertain, the pH value tester cannot contact the liquid in the reactor body when the length of the pH value tester is too short, the pH value tester is easily damaged when the length of the pH value tester is too long, the pH value tester is immersed in the liquid, the pH value tester is installed on the supporting table, the pH value tester comprises a sleeve rod, a cross rod and a measuring rod, the sleeve rod comprises an outer sleeve rod and an inner sleeve rod, the outer sleeve rod is sleeved with the inner sleeve rod, the cross rod comprises an outer cross rod and an inner cross rod, the outer cross rod is sleeved with the inner cross rod, the outer sleeve rod is installed and connected on the supporting table, an electric cylinder one is installed on the inner bottom of the outer sleeve rod, the connecting head of the electric cylinder one is connected with the outer sleeve rod, the top of the inner sleeve rod is nested with one end of the outer cross rod, an electric cylinder two is installed on the nested position of the top of the inner sleeve rod and the outer cross rod, the connecting head of the electric cylinder two is connected with the inner cross rod, the measuring rod is connected with the inner cross rod through the bottom of one end of the inner cross rod, and an electrode is installed on the bottom of the measuring rod. When the pH value tester needs to detect the solution in the sampling bottle, the electric cylinder one on the inner bottom of the outer sleeve rod is started by the PLC controller, the inner sleeve rod is lifted upwards, the electric cylinder two is started by the PLC controller, the inner cross rod is pushed outwards by the electric cylinder two, the measuring rod is located above the sampling bottle, the electric cylinder one drives the inner sleeve rod to descend, the electrode on the bottom of the measuring rod is immersed in the sample solution, the pH value of the sample solution is detected, the pH value of the sample solution detected by the electrode is fed back to the display screen of the PLC controller, and the pH value is convenient to view and record. After the detection, the electric cylinder one and the electric cylinder two are started by the PLC controller, the measuring rod and the electrode are moved to the outside of the sampling bottle and into a cleaning bottle, the sampling bottle can be replaced, the reaction product in the reactor body is sampled in real time, the pH value of the reaction product is detected, and the pH value is ensured to be in an optimal range.The hydrolysis product is effectively formed and stably exists, sampling is carried out through control of the sampling valve and the sampling pipe, then the solution is detected in the sampling bottle, direct opening of the kettle body is avoided, the gas pressure or the oxygen concentration in the kettle body is not affected, and then the hydrolysis reaction is not affected, a cleaning bottle is placed on the support table, the cleaning bottle contains distilled water, the electrode of the pH detector after detection can be cleaned, the next detection is facilitated, the cleaning bottle can be replaced, the electrode is cleaned, and then the detection data is ensured, the kettle body and the pH detector are connected with a PLC controller, the motor, the discharge valve, the sampling valve, the electric cylinder and the electrode are connected with the PLC controller, the PLC controller controls the working state of the motor, the discharge valve, the sampling valve and the electric cylinder, and then the pH detector detects the pH value of the hydrolysis reaction product in the kettle body, the value of the sample solution detected by the electrode is fed back to the display screen of the PLC controller, and the record is convenient to view, and the PLC controller realizes automatic detection.

[0012] In summary, the application has the following beneficial effects:

[0013] 1. The device is provided with a pH detector, which is arranged on the support table welded on the side wall of the kettle body, the hydrolysis reaction product in the kettle body is sampled into the sampling bottle through control of the sampling valve, then the electrode of the pH detector is inserted into the sampling bottle through control of the electric cylinder, and the pH value of the sample solution is detected, so that the length of the pH detector inserted into the kettle body is uncertain, and the pH detector is not damaged or the detection result is affected.

[0014] 2. The device is provided with a sampling bottle, a sampling pipe and a sampling valve, sampling is carried out through control of the sampling valve and the sampling pipe, then the pH value of the solution is detected in the sampling bottle, and direct opening of the kettle body is avoided, so that the gas pressure or the oxygen concentration in the kettle body is not affected, and the hydrolysis reaction is not affected. DETAILED DESCRIPTION

[0015] In order to more clearly illustrate the technical solutions of the application, the drawings needed in the implementation examples will be briefly introduced as follows, and obviously, other drawings can be obtained by those skilled in the art without creative labor.

[0016] Fig. 1 It is a structural schematic view of the application.

[0017] Fig. 2 It is an enlarged view of the pH detector.

[0018] Fig. 3 It is a structural view of the PLC controller.

[0019] ILLUSTRATION

[0020] Wherein, 1-pot body, 2-pH meter, 20-outer sleeve rod, 21-electric cylinder one, 22-inner sleeve rod, 23-electric cylinder two, 24-outer cross rod, 25-inner cross rod, 26-measuring rod, 27-electrode, 28-washing bottle, 3-feeding port, 4-rotating shaft, 5-motor, 6-discharge port, 7-supporting rod, 8-base, 9-supporting table, 10-sampling bottle, 11-sampling tube, 12-sampling valve, 13-PLC controller. DETAILED DESCRIPTION

[0021] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings.

[0022] It can be known from the above technical solutions that Figs. 1-3 .

[0023] Example 1

[0024] The utility model provides a kind of pH meter of hydrolysis reactor, it include: still 1 and pH meter 2, still 1 top is equipped with two feed ports 3, each feed port 3 is equipped with a top cover, open top cover, by two feed ports 3 to still 1 inside pour into appropriate amount of material to be reacted, then close top cover, make still 1 keep sealed state, still 1 top is equipped with a rotating shaft 4, rotating shaft 4 top penetrates the top of still 1 and is connected with motor 5, motor 5 is installed on the top of still 1, during hydrolysis reaction, PLC controller 13 controls motor 5 to start, motor 5 drives rotating shaft 4 to rotate, drives stirring rod on rotating shaft 4 to rotate, by stirring rod to the material in still 1 is stirred, make the material in still 1 fully react, still 1 bottom is equipped with a discharge port 6, discharge port 6 is equipped with a discharge valve, when reaction ends, PLC controller 13 controls discharge valve to open, and the hydrolysis product generated by reaction is discharged by discharge port 6, still 1 side wall is welded with four support rods 7, four support rods 7 are welded on the same base 8, four support rods 7 support still 1, still 1 side wall is welded with a support table 9, support table 9 is placed with a sampling bottle 10, sampling bottle 10 top is communicated with a sampling tube 11, one end of sampling tube 11 is communicated still 1 side wall, sampling tube 11 is equipped with a sampling valve 12, during reaction, when the pH value of material in still 1 needs to be detected, can be controlled by PLC controller 13 to open sampling valve 12, the material in still 1 flows into sampling bottle 10 in sampling tube 11, then by pH meter 2 to the sample solution in sampling bottle 10 is detected, avoid the length of pH meter 2 to extend into still 1 is uncertain, pH meter 2 is too short to contact the liquid in still 1 and influence determination result, too long to lead to pH meter 2 to immerse in liquid content and easily damage pH meter 2, support table 9 is installed with pH meter 2, pH meter 2 includes sleeve rod, cross bar and measuring rod 26, sleeve rod includes outer sleeve rod 20 and inner sleeve rod 22, outer sleeve rod 20 is sleeved with inner sleeve rod 22, cross bar includes outer cross bar 24 and inner cross bar 25, outer cross bar 24 is sleeved with inner cross bar 25, outer sleeve rod 20 is installed on support table 9, the bottom of outer sleeve rod 20 is installed with electric cylinder one 21, the connecting head of electric cylinder one 21 is connected with outer sleeve rod 20, the top of inner sleeve rod 22 is nested with one end of outer cross bar 24, the top of inner sleeve rod 22 is nested with outer cross bar 24 and is installed with electric cylinder two 23, the connecting head of electric cylinder two 23 is connected with inner cross bar 25, one end of inner cross bar 25 is connected with measuring rod 26, the bottom of measuring rod 26 is installed with electrode 27, when pH meter 2 needs to detect the solution in sampling bottle 10, can be controlled by PLC controller 13 to start electric cylinder one 21 in the bottom of outer sleeve rod 20, and then PLC controller 13 controls electric cylinder two 23 to start, and electric cylinder two 23 is extruded to outer inner cross bar 25, so that measuring rod 26 is located above sampling bottle 10, then control electric cylinder one 21 drives inner sleeve rod 22 and cross bar to drop, so that the electrode 27 at the bottom of measuring rod 26 is immersed in sample solution,The sample solution is detected for pH value, the electrode 27 detects the pH value of the sample solution and feeds back to the display screen of the PLC controller 13, which is convenient for viewing and recording, and after detection, the PLC controller 13 controls the electric cylinder one 21 and the electric cylinder two 23 to start, so that the measuring rod 26 and the electrode 27 move to the outside of the sampling bottle 10 and enter the cleaning bottle 28, the sampling bottle 10 can be replaced, and the reaction product in the kettle body 1 is sampled in real time for pH value detection, so that the pH value is kept in the optimal range, the hydrolysis product is effectively formed and stably exists, and the sampling valve 12 and the sampling pipe 11 are controlled to sample, and then the solution is detected in the sampling bottle 10, which avoids directly opening the kettle body 1, affects the gas pressure or oxygen concentration in the kettle body 1, and further affects the hydrolysis reaction, the support table 9 is provided with a cleaning bottle 28, the cleaning bottle 28 contains distilled water, the electrode 27 of the pH detector 2 after detection can be cleaned, which is convenient for next detection, the cleaning bottle 28 can be replaced, the electrode 27 is cleaned, and the detection data is ensured,

[0025] The kettle body 1 and the pH detector 2 are connected with a PLC controller 13, the motor 5, the discharge valve, the sampling valve 12, the electric cylinder and the electrode 27 are electrically connected with the PLC controller 13, the PLC controller 13 controls the working state of the motor 5, the discharge valve, the sampling valve 12 and the electric cylinder, so that the pH detector 2 detects the pH value of the hydrolysis reaction product in the kettle body 1, the electrode 27 detects the value of the sample solution and feeds back to the display screen of the PLC controller 13, which is convenient for viewing and recording, and the PLC controller 13 realizes automatic detection.

[0026] As a preferred embodiment, a plurality of stirring rods are arranged on the rotating shaft 4, the rotating shaft 4 rotates to drive the stirring rods to stir the solution in the kettle body 1, so that the solution is fully reacted.

[0027] As a preferred embodiment, a clamping groove one is arranged on the support table 9 corresponding to the position of the sampling bottle 10, the clamping groove one fixes the position of the sampling bottle 10, so that the sampling solution in the kettle body 1 can accurately flow into the sampling bottle 10, and then the electrode 27 at the bottom of the measuring rod 26 extends into the sampling bottle 10 to detect the pH value of the sample solution.

[0028] As a preferred embodiment, a clamping groove two is arranged on the support table 9 corresponding to the position of the cleaning bottle 28, the clamping groove two fixes the position of the cleaning bottle 28, and the measuring rod 26 and the electrode 27 after detection extend into the cleaning bottle 28 for cleaning.

[0029] As a preferred embodiment, an iron rod is arranged at the bottom of the support table 9, the iron rod is fixed on the base 8, and the iron rod supports the support table 9.

[0030] As a preferred embodiment, the PLC controller 13 is provided with a display screen and several operation buttons, the display screen displays the pH value of the material in the reactor 1 detected by the pH detector 2 and records, and the several operation buttons respectively control the working state of the motor 5, the discharge valve, the sampling valve 12 and the electric cylinder.

[0031] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope of the application being indicated by the following claims.

[0032] It should be understood that the application is not limited to the precise construction here described and illustrated in the drawings, and various modifications and changes can be made without departing from the scope thereof. The embodiments of the application described above are not meant to limit the scope of the application.

Claims

1. A pH meter for a hydrolysis reactor, characterized in that, Include: The kettle body (1) and pH meter (2), the kettle body (1) top is provided with two feed ports (3), each feed port (3) is provided with a top cover, the kettle body (1) inner top is provided with a rotating shaft (4), the rotating shaft (4) top penetrates the kettle body (1) inner top and is connected with a motor (5), the motor (5) is installed on the kettle body (1) top, the kettle body (1) bottom is provided with a discharge port (6), the discharge port (6) is provided with a discharge valve, the kettle body (1) side wall is welded with four support rods (7), four support rods (7) are welded on the same base (8), the kettle body (1) side wall is welded with a support table (9), the support table (9) is placed with a sampling bottle (10), the sampling bottle (10) top is communicated with a sampling tube (11), one end of the sampling tube (11) is communicated with the kettle body (1) side wall, the sampling tube (11) is provided with a sampling valve (12), the support table (9) is installed with the pH meter (2), the pH meter (2) includes sleeve rod, cross rod and measuring rod (26), the sleeve rod includes outer sleeve rod (20) and inner sleeve rod (22), the outer sleeve rod (20) is sleeved with inner sleeve rod (22), the cross rod includes outer cross rod (24) and inner cross rod (25), the outer cross rod (24) is sleeved with inner cross rod (25), the outer sleeve rod (20) is installed and connected on the support table (9), the outer sleeve rod (20) inner bottom is installed with electric cylinder one (21), the connecting head of electric cylinder one (21) is connected with the outer sleeve rod (20), the inner sleeve rod (22) top is nested with one end of the outer cross rod (24), the inner sleeve rod (22) top is nested with the outer cross rod (24) and is installed with electric cylinder two (23), the connecting head of electric cylinder two (23) is connected with the inner cross rod (25), one end of the inner cross rod (25) side wall bottom is connected with the measuring rod (26), the measuring rod (26) bottom is installed with electrode (27), the support table (9) is placed with a cleaning bottle (28); The kettle body (1) and the pH meter (2) are connected with a PLC controller (13), the motor (5), the discharge valve, the sampling valve (12), the electric cylinder, the electrode (27) are connected with the PLC controller (13).

2. The pH meter for a hydrolysis reactor according to claim 1, wherein The rotating shaft (4) is provided with a plurality of stirring rods.

3. The pH meter for a hydrolysis reactor according to claim 1, wherein The support table (9) is provided with a clamping groove one corresponding to the position of the sampling bottle (10).

4. The pH meter for a hydrolysis reactor according to claim 1, wherein The support table (9) is provided with a clamping groove two corresponding to the position of the cleaning bottle (28).

5. The pH meter for a hydrolysis reactor according to claim 1, wherein The support table (9) bottom is provided with an iron rod, and the iron rod is fixed on the base (8).

6. The pH meter for a hydrolysis reactor according to claim 1, wherein The PLC controller (13) is provided with a display screen and a plurality of operation buttons.

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