CN112263964A

CN112263964A - Spray tank capable of monitoring stability of MnZn ferrite slurry and monitoring method thereof

Info

Publication number: CN112263964A
Application number: CN202010967781.7A
Authority: CN
Inventors: 刘洪建
Original assignee: Jiangsu Province Spar Magnetic Materials And Devices Engineering Research Co ltd
Current assignee: Jiangsu Province Spar Magnetic Materials And Devices Engineering Research Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-01-26

Abstract

The invention is suitable for the technical field of ferrite, and provides a spray tank capable of monitoring the stability of MnZn ferrite slurry and a monitoring method thereof, wherein the spray tank comprises a slurry tank for holding slurry, and is characterized in that: the PH detector is fixed on the outer wall of the slurry tank, the detection end penetrates through the outer wall and extends into the slurry tank, and the conveying pipe and the dispatching return pipe are fixedly connected to the outer wall of the bottom of the slurry tank and communicated with the inside of the slurry tank; utilize the PH detector to detect the PH value in the slurry pond, utilize the size of PH value to judge the quantity of dispersant in the ground paste, when the PH value that detects is in the interval of affirmation, just explain the ground paste meets the requirements, alright carry the outside through the conveyer pipe, carry out subsequent spray granulation, when not in the interval of affirmation, change just to explain the dispersant quantity too much or too little, alright at this moment advance in the sanding process is carried to the ground paste through dispatching the return pipe.

Description

Spray tank capable of monitoring stability of MnZn ferrite slurry and monitoring method thereof

Technical Field

The invention belongs to the technical field of ferrite, and particularly relates to a spray tank capable of monitoring stability of MnZn ferrite slurry and a monitoring method thereof.

Background

Because of the set shrinkage ratio and the set charging ratio during the design of the forming die, the blank and the magnetic core of the sintered product can meet the process requirements of size, density, mechanical strength, appearance and the like, the loose powder charging ratio must be stabilized in a proper range, the blank cannot be formed due to overhigh and overlow powder charging ratios, the density and the size have no adjustment allowance, and the sintered product has the problems of poor size, poor mechanical strength, cracking and the like.

The problem that the loose loading ratio of powder batches is suddenly high and suddenly low and even fluctuates greatly in the industry at present is common and headache is caused, wherein a dispersing agent is the most important ring of the fluctuation of the loose loading ratio, the loose loading ratio is sensitive to the dispersing agent, the adding amount of the dispersing agent in a sanding process is definitely specified in the process, but the dispersing agent has obvious effects on the circulation of a sanding machine, the average particle size of slurry and the sanding and sanding time, so that the dispersing agent is often added by some workers actually.

Disclosure of Invention

The invention provides a spray tank capable of monitoring stability of MnZn ferrite slurry and a monitoring method thereof, aiming at solving the problem of large fluctuation range of a loose packed ratio caused by excessive addition of a dispersing agent.

The invention is realized in such a way that a spray tank capable of monitoring the stability of MnZn ferrite slurry comprises a slurry tank for holding slurry, and further comprises a PH detector, a conveying pipe and a re-sending pipe, wherein the PH detector is fixed on the outer wall of the slurry tank, the detection end penetrates through the outer wall and extends into the slurry tank, the conveying pipe and the re-sending pipe are fixedly connected to the outer wall of the bottom of the slurry tank and are communicated with the inner part of the slurry tank, and the conveying pipe and the re-sending pipe are symmetrically distributed along the slurry tank.

Preferably, the PH detector comprises a detection head, a processor and a display screen, wherein the detection head and the processor are connected with the display screen and used for processing data and displaying the processed data.

Preferably, the detection head is connected with a display screen in the PH detector in a wired manner.

Preferably, the automatic feeding device further comprises an alarm, wherein the alarm is fixed on the outer wall of the slurry tank and is positioned on one side of the PH detector.

Preferably, the alarm is electrically connected with an external power supply, and is connected with the display screen for controlling the sending of the instruction.

Preferably, the system also comprises two delivery pumps which respectively correspond to the delivery pipe and the dispatch return pipe and are respectively fixed at one ends of the delivery pipe and the dispatch return pipe, which are far away from the slurry tank.

A monitoring method capable of monitoring stability of MnZn ferrite slurry comprises the following steps:

step S100: conveying the slurry with spray granulation to a slurry pool;

step S200: detecting the pH value of the slurry in the slurry tank;

step S300: correspondingly searching the powder loose ratio according to the detected pH value;

step S400: judging whether the detected PH value is in an approved interval or not;

step S500: and in the interval, the slurry is conveyed for subsequent spray granulation, and if the slurry is not in the interval, the slurry is reversely pushed into the grinding machine.

Preferably, in step S200, the PH of the slurry in the slurry tank is detected by a detection head on a detection end of the PH detector.

Preferably, in the step S400, the PH value is set to have a verification range of 7.5 to 8.5, and a corresponding powder bulk ratio range of 1.38 to 1.48.

Preferably, in step S500, the detected slurry is subsequently transported and derived by the transport pipe and the return pipe, respectively.

Compared with the prior art, the invention has the beneficial effects that: the invention relates to a spray tank capable of monitoring stability of MnZn ferrite slurry and a monitoring method thereof.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the system of the present invention;

FIG. 3 is a schematic flow diagram of a method of the present invention;

in the figure: 1. a slurry tank; 2. a pH detector; 21. a detection head; 22. a processor; 23. a display screen; 3. An alarm; 4. a delivery pipe; 5. returning to the management; 6. a delivery pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a can monitor pond that spouts of MnZn ferrite slurry stability, includes slurry tank 1 that is used for flourishing the ground paste, still includes PH detector 2, conveyer pipe 4 and dispatches return pipe 5, and PH detector 2 is fixed in slurry tank 1's outer wall, and the sense terminal runs through 11 the outer wall and stretch into inside slurry tank 1, and conveyer pipe 4 with dispatch the equal fixed connection in slurry tank 1's bottom outer wall of return pipe 5 to be linked together with slurry tank 1 is inside, and both along slurry tank 1 symmetric distribution.

In the embodiment, in the using process, firstly, the slurry to be monitored and sprayed for granulation is conveyed to the inside of the slurry tank 1, and then the slurry is accumulated in the slurry tank 1, at this time, because the detection head 21 on the detection end of the PH detector 2 penetrates through the outer wall of the slurry tank 1, the PH value of the slurry in the slurry tank 1 can be detected by using the detection head 21, and the detected value is transmitted to the processor 23 in the PH detector 2, firstly, the relationship between the PH value and the powder loosening ratio (as shown in the following table) is set according to the inside, the powder loosening ratio value is obtained according to the detected PH value, then, the processor 23 sends the data of the PH value and the powder loosening ratio to the display screen 22 for the staff to watch, secondly, the processor 23 judges whether the detected PH value is in the approval interval, when the detected PH value is in the approval interval, the slurry in the slurry tank 1 meets the requirements and the amount of dispersant in the slurry is moderate, then the processor 23 can send a control instruction to the delivery pump 6 corresponding to the delivery pipe 4 to enable the delivery pump 6 to start working, the slurry in the slurry tank 1 is delivered to the granulator for spray granulation, when the detected pH value is greater than the approved interval, the slurry in the slurry tank 1 does not meet the requirements and the amount of dispersant in the slurry is excessive, at the moment, the processor 23 sends a control instruction to the alarm 3 to enable the alarm 3 to start working and make a sound, the sound of the alarm 3 is used for prompting a worker that the amount of dispersant in the slurry tank 1 exceeds the standard to prompt the worker to come for examination, and then the processor 23 can send a control instruction to the delivery pump 6 corresponding to the return pipe 5, the transfer pump 6 is started to operate, and the slurry in the slurry tank 1 is reversely transferred to the sanding process.

pH value of slurry	Bulk specific gravity of powder
		7.3	1.35
7.5	1.38
		7.7	1.41
7.8	1.44
		7.9	1.43
7.9	1.45
		8.0	1.45
8.0	1.45
		8.1	1.45
8.1	1.46
		8.2	1.46
8.2	1.45
		8.3	1.46
8.4	1.47
		8.4	1.47
8.5	1.48
		8.7	1.51
8.9	1.55
		8.9	1.56
9.0	1.56

Further, the PH detector 2 includes a detection head 21, a processor 22 and a display screen 23, wherein the detection head 21 and the processor 22 are connected to the display screen 23, and are configured to process data and display the processed data; the detection head 21 is wired to a display screen 23 in the PH meter 2.

In this embodiment, the PH of the slurry in the slurry tank 1 can be detected by the detection head 21, and the detected value is transmitted to the processor 23 in the PH detector 2, and first, according to the relationship between the internally set PH and the powder loose ratio, the powder loose ratio value is obtained according to the detected PH, and then the processor 23 sends the data of the PH and the powder loose ratio to the display screen 22 for display.

Further, the device also comprises an alarm 3, wherein the alarm 3 is fixed on the outer wall of the slurry tank 1 and is positioned on one side of the PH detector 2; the alarm 3 is electrically connected with an external power supply, is connected with the display screen 23 and is used for sending control instructions.

In the embodiment, in the using process, the processor 23 sends a control instruction to the alarm 3, so that the alarm 3 starts to work and makes a sound, and the sound of the alarm 3 is used for prompting a worker that the placement of the dispersing agent in the slurry pool 1 exceeds the standard, so as to prompt the worker to check the slurry.

Further, the device also comprises two delivery pumps 6 which respectively correspond to the delivery pipe 4 and the dispatch return pipe 5 and are respectively fixed at one ends of the delivery pipe 4 and the dispatch return pipe 5, which are far away from the slurry tank 1.

In the embodiment, in the using process, the two delivery pumps respectively correspond to the delivery pipe and the trip pipe, and when the detected PH value is within the verification interval, the processor 23 can send a control instruction to the delivery pump 6 corresponding to the delivery pipe 4, so as to deliver the slurry in the slurry tank 1 to the granulator for spray granulation; when the detected PH value is larger than the verification interval, the processor 23 can send a control instruction to the delivery pump 6 corresponding to the sending and returning pipe 5, so that the slurry in the slurry tank 1 can be reversely pushed and delivered to the sanding process.

Referring to fig. 3, a monitoring method for monitoring the stability of MnZn ferrite slurry includes the following steps:

step S100: conveying the slurry with spray granulation to a slurry tank 1;

step S200: detecting the pH value of the slurry in the slurry tank 1;

In the embodiment, firstly, the slurry to be monitored and sprayed for granulation is conveyed to the inside of the slurry tank 1, and then the slurry is accumulated in the slurry tank 1, at this time, because the detection head 21 on the detection end of the PH detector 2 penetrates through the outer wall of the slurry tank 1, the PH value of the slurry in the slurry tank 1 can be detected by using the detection head 21, and the detected value is transmitted to the processor 23 in the PH detector 2, firstly, the relationship between the PH value and the powder loosening ratio is set according to the inside, the powder loosening ratio value is obtained according to the detected PH value, then, the processor 23 sends the data of the PH value and the powder loosening ratio value to the display screen 22 for the staff to watch, secondly, the processor 23 judges whether the detected PH value is in the verification interval, when the detected PH value is in the verification interval, the slurry in the slurry tank 1 is shown to meet the requirements, and the input amount of the dispersing agent in the slurry is moderate, then the processor 23 can send a control instruction to the delivery pump 6 corresponding to the delivery pipe 4, so that the delivery pump 6 starts to work, the slurry in the slurry tank 1 is delivered to the granulator for spray granulation, when the detected pH value is greater than the approved interval, the condition that the slurry in the slurry tank 1 is not qualified is indicated, and the input amount of the dispersing agent in the slurry is excessive, at the moment, the processor 23 sends a control instruction to the alarm 3, so that the alarm 3 starts to work and makes a sound, the sound of the alarm 3 is used for prompting a worker that the input amount of the dispersing agent in the slurry tank 1 exceeds the standard, the worker is reminded to check the slurry in advance, then the processor 23 can send a control instruction to the delivery pump 6 corresponding to the dispatch pipe 5, so that the delivery pump 6 starts to work, the slurry in the slurry tank 1 is reversely pushed and conveyed to the sanding process.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a can monitor pond that spouts of MnZn ferrite ground paste stability, includes the ground paste pond that is used for holding establishing the ground paste which characterized in that: still include PH detector, conveyer pipe and dispatch the return tube, the PH detector is fixed in the outer wall of slurry tank, and the sense terminal runs through the outer wall and stretch into inside the slurry tank, the conveyer pipe with dispatch the equal fixed connection of return tube in the bottom outer wall of slurry tank, and with slurry tank is inside to be linked together, and both are followed slurry tank symmetric distribution.

2. The spray tank capable of monitoring the stability of MnZn ferrite slurry according to claim 1, wherein: the PH detector comprises a detection head, a processor and a display screen, wherein the detection head and the processor are connected with the display screen and used for processing data and displaying the processed data.

3. The spray tank capable of monitoring the stability of MnZn ferrite slurry according to claim 2, wherein: the detection head is connected with a display screen in the PH detector in a wired mode.

4. The spray tank capable of monitoring the stability of MnZn ferrite slurry according to claim 2, wherein: the alarm is fixed on the outer wall of the slurry tank and is positioned on one side of the PH detector.

5. A spray pond capable of monitoring the stability of MnZn ferrite slurry according to claim 3, wherein: the alarm is electrically connected with an external power supply, is connected with the display screen and is used for sending control instructions.

6. The spray tank capable of monitoring the stability of MnZn ferrite slurry according to claim 1, wherein: the system also comprises two delivery pumps which respectively correspond to the delivery pipe and the dispatching and returning pipe and are respectively fixed at one ends of the delivery pipe and the dispatching and returning pipe, which are far away from the slurry tank.

7. A method for monitoring the stability of MnZn ferrite slurry is characterized by comprising the following steps: the method comprises the following steps:

step S100: conveying the slurry with spray granulation to a slurry pool;

step S200: detecting the pH value of the slurry in the slurry tank;

8. The MnZn ferrite slurry stability monitoring method according to claim 7, wherein: in the step S200, the PH value of the slurry in the slurry tank is detected by the detection head on the detection end of the PH detector.

9. The MnZn ferrite slurry stability monitoring method according to claim 7, wherein: in the step S400, the pH value is set to be in a range of 7.5-8.5, and the corresponding powder material loose ratio range is 1.38-1.48.

10. The MnZn ferrite slurry stability monitoring method according to claim 7, wherein: in the step S500, the detected slurry is subsequently transported and guided out by the transport pipe and the return pipe.