CN111841430A - Method and device for monitoring liquid level of stirring tank for detergent production - Google Patents
Method and device for monitoring liquid level of stirring tank for detergent production Download PDFInfo
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- CN111841430A CN111841430A CN202010805533.2A CN202010805533A CN111841430A CN 111841430 A CN111841430 A CN 111841430A CN 202010805533 A CN202010805533 A CN 202010805533A CN 111841430 A CN111841430 A CN 111841430A
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- liquid level
- stirring tank
- signal
- detergent production
- diaphragm pump
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- 239000007788 liquid Substances 0.000 title claims abstract description 151
- 238000003756 stirring Methods 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- 239000003599 detergent Substances 0.000 title claims abstract description 37
- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 24
- 238000012806 monitoring device Methods 0.000 claims description 19
- 238000012937 correction Methods 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2112—Level of material in a container or the position or shape of the upper surface of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2212—Level of the material in the mixer
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a method and a device for monitoring the liquid level of a stirring tank for detergent production, wherein the device comprises a liquid level sensor (21), a micro-processing controller (25) and a pneumatic diaphragm pump control circuit (30); the liquid level sensor (21) and the pneumatic diaphragm pump control circuit (30) are both in circuit connection with the microprocessor controller (25). The method and the device for monitoring the liquid level of the stirring tank for detergent production can realize automatic monitoring of the liquid level in the stirring tank, and automatically stop injecting the raw material liquid into the stirring tank when the liquid level reaches the set liquid level threshold; and when the liquid level does not reach the set liquid level threshold value, controlling to continuously inject the raw material liquid into the stirring tank.
Description
Technical Field
The invention relates to the technical field of production and manufacture of daily chemical products and detergents, in particular to a method and a device for monitoring the liquid level of a stirring tank for detergent production.
Background
In the production process of daily chemical products and detergents, various raw material liquids need to be injected into a stirring tank for fully stirring and mixing. In the existing production technology, in the injection process of raw materials, manual monitoring is needed, the situation that too much raw material liquid is injected and overflows the highest liquid level of a stirring tank capable of working normally is avoided, so that the waste of the raw material liquid is caused, the normal production is influenced, and the production efficiency is reduced.
Disclosure of Invention
The invention aims to provide a method and a device for monitoring the liquid level of a stirring tank for detergent production.
The invention provides a method for monitoring the liquid level of a stirring tank for detergent production, which comprises the following steps: s1 is used for detecting the liquid level height information in the stirring tank; s2 is used for comparing the detected liquid level height information with a preset liquid level height threshold value, and controlling the liquid level sensor to send a high level signal when the liquid level height information is greater than or equal to the liquid level height threshold value; when the liquid level height information is smaller than the liquid level height threshold value, controlling the liquid level sensor to send out a low level signal; s3 is used for generating a first control signal for controlling the pneumatic diaphragm pump to work when receiving a high level signal and generating a second control signal for controlling the pneumatic diaphragm pump to stop working when receiving a low level signal; s4 the pneumatic diaphragm pump judges whether the received control signal is a first control signal or a second control signal, and when the received control signal is the first control signal, the pneumatic diaphragm pump controls the pump to be in a working state, so that the raw material liquid is continuously injected into the stirring tank; when the second control signal is received, the pneumatic diaphragm pump controls the stop working state, so that the raw material liquid is stopped from being injected into the stirring tank.
The voltage value of the high-level signal is 24V or 5V. The voltage value of the low level signal is 0V. The step for detecting liquid level information in the agitator tank comprises: s11, arranging the liquid level sensor in the position with a set height away from the bottom of the stirring tank in the inner cavity of the stirring tank; s12 is used for injecting raw material liquid into the inner cavity of the stirring tank; s13, generating a pressure analog electric signal according to the pressure of the liquid in the stirring tank on the liquid level sensor; s14 a step of analyzing the pressure-simulated electrical signal to generate a first liquid level-simulated electrical signal; s15 is used for carrying out temperature compensation processing on the first liquid level height analog electric signal and generating a second liquid level height analog electric signal; s16 is a step of performing linear correction processing on the second liquid level height analog electrical signal and generating a third liquid level height analog electrical signal; s17 is a step for analog-to-digital converting the third liquid level height analog electric signal to generate liquid level height information.
The invention provides a stirring tank liquid level monitoring device for detergent production, which comprises a liquid level sensor (21), a microprocessor controller (25) and a pneumatic diaphragm pump control circuit (30); the liquid level sensor (21) and the pneumatic diaphragm pump control circuit (30) are both in circuit connection with the microprocessor controller (25).
The liquid level height monitoring device for the stirring tank for detergent production further comprises a connecting part (23), wherein the connecting part (23) comprises a first connecting pipe, a second connecting pipe and a connecting clamping block; the connecting clamping block is of a cylindrical structure with a cylindrical through hole in the middle; the first connecting pipe is arranged at the bottom of the connecting clamping block and communicated with the cylindrical through hole; the second connecting pipe is arranged at the top of the connecting clamping block and communicated with the cylindrical through hole. The invention provides a stirring tank liquid level monitoring device for detergent production, which further comprises a first sealing hose (22) and a second sealing hose (24); the first sealing hose (22) is hermetically sealed and connected to the first connecting pipe and is communicated with the first connecting pipe; the second sealing hose (24) is sleeved on the second connecting pipe in a sealing manner and is communicated with the second connecting pipe. The liquid level monitoring device for the stirring tank for detergent production further comprises a first cable, wherein the first cable is arranged in a sealed passage formed by the first sealing hose (22), the connecting part (23) and the second sealing hose (24), one end of the first cable is in circuit connection with the output end of the liquid level sensor (21), and the other end of the first cable is in circuit connection with the input end of the micro-processing controller (25). The liquid level monitoring device for the stirring tank for detergent production further comprises a second cable (26), wherein one end of the second cable (26) is in circuit connection with the output end of the microprocessing controller (25), and the other end of the second cable is connected with the pneumatic diaphragm pump control circuit (30). As will be appreciated by those skilled in the art, the second cable (26) is used to transmit either a high level signal or a low level signal to the air operated diaphragm pump control circuit (30). The microprocessor controller (25) is a programmable logic controller.
The method and the device for monitoring the liquid level of the stirring tank for detergent production can realize automatic monitoring of the liquid level in the stirring tank, and automatically stop injecting the raw material liquid into the stirring tank when the liquid level reaches the set liquid level threshold; and when the liquid level does not reach the set liquid level threshold value, controlling to continuously inject the raw material liquid into the stirring tank.
Drawings
FIG. 1 is a schematic flow chart of a method for monitoring the liquid level of a stirring tank for detergent production according to a first embodiment of the invention;
FIG. 2 is a schematic diagram of a step for detecting information on the liquid level in a stirring tank in the stirring tank liquid level monitoring method for detergent production according to the first embodiment of the invention;
FIG. 3 is a schematic circuit diagram of a level monitoring device of a mixing tank for detergent production according to a second embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a stirring tank liquid level monitoring device for detergent production according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a connecting part in a stirring tank liquid level monitoring device for detergent production according to a second embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The embodiment provides a method for monitoring the liquid level of a stirring tank for detergent production, which comprises the following steps:
s1 is used for detecting the liquid level height information in the stirring tank;
s2 is used for comparing the detected liquid level height information with a preset liquid level height threshold value, and controlling the liquid level sensor to send a high level signal when the liquid level height information is greater than or equal to the liquid level height threshold value; when the liquid level height information is smaller than the liquid level height threshold value, controlling the liquid level sensor to send out a low level signal;
s3 is used for generating a first control signal for controlling the pneumatic diaphragm pump to work when receiving a high level signal and generating a second control signal for controlling the pneumatic diaphragm pump to stop working when receiving a low level signal;
s4 the pneumatic diaphragm pump judges whether the received control signal is a first control signal or a second control signal, and when the received control signal is the first control signal, the pneumatic diaphragm pump controls the pump to be in a working state, so that the raw material liquid is continuously injected into the stirring tank; when the second control signal is received, the pneumatic diaphragm pump controls the stop working state, so that the raw material liquid is stopped from being injected into the stirring tank. As can be understood by those skilled in the art, by the method for monitoring the liquid level of the stirring tank for detergent production provided by the embodiment, the automatic monitoring of the liquid level in the stirring tank can be realized, and when the liquid level reaches a set liquid level threshold, the raw material liquid injection into the stirring tank is automatically stopped; and when the liquid level does not reach the set liquid level threshold value, controlling to continuously inject the raw material liquid into the stirring tank.
The voltage value of the high-level signal is 24V or 5V.
The voltage value of the low level signal is 0V.
The step for detecting liquid level information in the agitator tank comprises:
s11, arranging the liquid level sensor in the position with a set height away from the bottom of the stirring tank in the inner cavity of the stirring tank;
s12 is used for injecting raw material liquid into the inner cavity of the stirring tank;
s13, generating a pressure analog electric signal according to the pressure of the liquid in the stirring tank on the liquid level sensor;
s14 a step of analyzing the pressure-simulated electrical signal to generate a first liquid level-simulated electrical signal;
s15 is used for carrying out temperature compensation processing on the first liquid level height analog electric signal and generating a second liquid level height analog electric signal;
s16 is a step of performing linear correction processing on the second liquid level height analog electrical signal and generating a third liquid level height analog electrical signal;
s17 is a step for analog-to-digital converting the third liquid level height analog electric signal to generate liquid level height information.
As can be appreciated by those skilled in the art, since the pressure of the raw material liquid at the set position is proportional to the height of the raw material liquid, the liquid level height information can be obtained by generating an electrical signal indicative of the liquid level height of the raw material liquid according to the pressure calculation process of the raw material liquid at the set position.
Example two
The embodiment provides a stirring tank liquid level monitoring device for detergent production, which comprises a liquid level sensor 21, a microprocessor controller 25 and a pneumatic diaphragm pump control circuit 30; the liquid level sensor 21 and the pneumatic diaphragm pump control circuit 30 are both in circuit connection with the microprocessor controller 25. As will be appreciated by those skilled in the art, the level sensor 21 is used to detect the current level of the feedstock liquid in the agitator tank, and thereby obtain level information. The micro-processing controller 25 is used for comparing the detected liquid level height information with a preset liquid level height threshold value, and controlling the liquid level sensor 21 to send a high level signal when the liquid level height information is greater than or equal to the liquid level height threshold value; when the liquid level height information is less than the liquid level height threshold value, controlling the liquid level sensor 21 to send out a low level signal; the pneumatic diaphragm pump control circuit 30 is configured to generate a first control signal for controlling the pneumatic diaphragm pump to work when receiving a high level signal, and generate a second control signal for controlling the pneumatic diaphragm pump to stop working when receiving a low level signal, so as to automatically control the pneumatic diaphragm pump to continue working or stop working according to the current liquid level.
The stirring tank liquid level monitoring device for detergent production provided by the embodiment further comprises a connecting part 23, wherein the connecting part 23 comprises a first connecting pipe, a second connecting pipe and a connecting clamping block; the connecting clamping block is of a cylindrical structure with a cylindrical through hole in the middle; the first connecting pipe is arranged at the bottom of the connecting clamping block and communicated with the cylindrical through hole; the second connecting pipe is arranged at the top of the connecting clamping block and communicated with the cylindrical through hole.
The stirring tank liquid level monitoring device for detergent production provided by the embodiment further comprises a first sealing hose 22 and a second sealing hose 24; the first sealing hose 22 is sleeved on the first connecting pipe in a sealing manner and is communicated with the first connecting pipe; the second sealing hose 24 is sleeved on the second connecting pipe in a sealing manner and is communicated with the second connecting pipe.
The stirring tank liquid level monitoring device for detergent production provided by this embodiment further includes a first cable, the first cable is disposed in a sealed passage formed by the first sealing hose 22, the connecting component 23 and the second sealing hose 24, one end of the first cable is in circuit connection with the output end of the liquid level sensor 21, and the other end of the first cable is in circuit connection with the input end of the microprocessor controller 25. Those skilled in the art will appreciate that the first cable is used to communicate level information to the microprocessor controller 25.
The stirring tank liquid level monitoring device for detergent production provided by the embodiment further comprises a second cable 26, wherein one end of the second cable 26 is in circuit connection with the output end of the microprocessor controller 25, and the other end of the second cable is connected with the pneumatic diaphragm pump control circuit 30. Those skilled in the art will appreciate that the second cable 26 is used to transmit either a high level signal or a low level signal to the air operated diaphragm pump control circuit 30. As can be understood by those skilled in the art, the top cover of the stirring tank is provided with an assembly hole, and in the use process, the liquid level sensor 21 is firstly arranged at a set position, the connecting part 23 is arranged on the top cover of the stirring tank, the first connecting pipe is inserted into the bottom of the top cover from the assembly hole, and then the first sealing hose 22 is sleeved on the first connecting pipe; the connecting clamping block is clamped at the top end of the assembling hole, and a person skilled in the art can understand that the position of the liquid level sensor 21 in the stirring tank can be adjusted by adjusting the length of the first sealing hose 22.
The microprocessor controller 25 is a Programmable Logic Controller (PLC).
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for monitoring the liquid level of a stirring tank for detergent production is characterized by comprising the following steps:
s1 is used for detecting the liquid level height information in the stirring tank;
s2 is used for comparing the detected liquid level height information with a preset liquid level height threshold value, and controlling the liquid level sensor to send a high level signal when the liquid level height information is greater than or equal to the liquid level height threshold value; when the liquid level height information is smaller than the liquid level height threshold value, controlling the liquid level sensor to send out a low level signal;
s3 is used for generating a first control signal for controlling the pneumatic diaphragm pump to work when receiving a high level signal and generating a second control signal for controlling the pneumatic diaphragm pump to stop working when receiving a low level signal;
s4 the pneumatic diaphragm pump judges whether the received control signal is a first control signal or a second control signal, and when the received control signal is the first control signal, the pneumatic diaphragm pump controls the pump to be in a working state, so that the raw material liquid is continuously injected into the stirring tank; when the second control signal is received, the pneumatic diaphragm pump controls the stop working state, so that the raw material liquid is stopped from being injected into the stirring tank.
2. The method for monitoring the liquid level of the stirring tank for detergent production as claimed in claim 1, wherein the voltage value of the high level signal is 24V or 5V.
3. The method for monitoring the liquid level of the agitation tank for detergent production according to claim 2, wherein the voltage value of the low level signal is 0V.
4. A method for agitator tank level monitoring for detergent production as claimed in claim 3, wherein the step for detecting level information in the agitator tank comprises:
s11, arranging the liquid level sensor in the position with a set height away from the bottom of the stirring tank in the inner cavity of the stirring tank;
s12 is used for injecting raw material liquid into the inner cavity of the stirring tank;
s13, generating a pressure analog electric signal according to the pressure of the liquid in the stirring tank on the liquid level sensor;
s14 a step of analyzing the pressure-simulated electrical signal to generate a first liquid level-simulated electrical signal;
s15 is used for carrying out temperature compensation processing on the first liquid level height analog electric signal and generating a second liquid level height analog electric signal;
s16 is a step of performing linear correction processing on the second liquid level height analog electrical signal and generating a third liquid level height analog electrical signal;
s17 is a step for analog-to-digital converting the third liquid level height analog electric signal to generate liquid level height information.
5. A stirring tank liquid level monitoring device for detergent production is characterized by comprising a liquid level sensor (21), a microprocessor controller (25) and a pneumatic diaphragm pump control circuit (30); the liquid level sensor (21) and the pneumatic diaphragm pump control circuit (30) are both in circuit connection with the microprocessor controller (25).
6. The mixing tank liquid level monitoring device for detergent production as claimed in claim 5, further comprising a connecting part (23), wherein the connecting part (23) comprises a first connecting pipe, a second connecting pipe and a connecting clamping block; the connecting clamping block is of a cylindrical structure with a cylindrical through hole in the middle; the first connecting pipe is arranged at the bottom of the connecting clamping block and communicated with the cylindrical through hole; the second connecting pipe is arranged at the top of the connecting clamping block and communicated with the cylindrical through hole.
7. The agitator tank level monitoring device for detergent production according to claim 6, further comprising a first sealing hose (22) and a second sealing hose (24); the first sealing hose (22) is hermetically sealed and connected to the first connecting pipe and is communicated with the first connecting pipe; the second sealing hose (24) is sleeved on the second connecting pipe in a sealing manner and is communicated with the second connecting pipe.
8. The agitator tank level monitoring device for detergent production according to claim 7, further comprising a first cable disposed in a sealed path formed by the first sealing hose (22), the connecting member (23) and the second sealing hose (24), the first cable having one end electrically connected to an output terminal of the level sensor (21) and the other end electrically connected to an input terminal of the microprocessor controller (25).
9. The agitator tank level monitoring device for detergent production of claim 8, further comprising a second cable (26), wherein one end of the second cable (26) is electrically connected to the output of the microprocessor controller (25) and the other end is connected to the air operated diaphragm pump control circuit (30).
10. The agitator tank level monitoring device for detergent production of claim 9, wherein the microprocessor controller (25) is a programmable logic controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010805533.2A CN111841430A (en) | 2020-08-12 | 2020-08-12 | Method and device for monitoring liquid level of stirring tank for detergent production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010805533.2A CN111841430A (en) | 2020-08-12 | 2020-08-12 | Method and device for monitoring liquid level of stirring tank for detergent production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111841430A true CN111841430A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010805533.2A Withdrawn CN111841430A (en) | 2020-08-12 | 2020-08-12 | Method and device for monitoring liquid level of stirring tank for detergent production |
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| Country | Link |
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| CN (1) | CN111841430A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03169369A (en) * | 1989-11-30 | 1991-07-23 | Trinity Ind Corp | Apparatus for automatically controlling liquid level of paint tank |
| CN102004502A (en) * | 2010-11-19 | 2011-04-06 | 江南大学 | Liquid level control system and control method of Intermediate tank in glutinous rice wine production |
| CN105371917A (en) * | 2015-10-14 | 2016-03-02 | 国网浙江三门县供电公司 | Method, device and system for water level monitoring and method, device and system for drainage control |
| CN205925618U (en) * | 2016-08-18 | 2017-02-08 | 北冰洋（北京）饮料食品有限公司 | High efficiency sugar system |
-
2020
- 2020-08-12 CN CN202010805533.2A patent/CN111841430A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03169369A (en) * | 1989-11-30 | 1991-07-23 | Trinity Ind Corp | Apparatus for automatically controlling liquid level of paint tank |
| CN102004502A (en) * | 2010-11-19 | 2011-04-06 | 江南大学 | Liquid level control system and control method of Intermediate tank in glutinous rice wine production |
| CN105371917A (en) * | 2015-10-14 | 2016-03-02 | 国网浙江三门县供电公司 | Method, device and system for water level monitoring and method, device and system for drainage control |
| CN205925618U (en) * | 2016-08-18 | 2017-02-08 | 北冰洋（北京）饮料食品有限公司 | High efficiency sugar system |
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Application publication date: 20201030 |