CN113856526B - Temperature control method for feeding material liquid tank - Google Patents

Temperature control method for feeding material liquid tank Download PDF

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CN113856526B
CN113856526B CN202111303443.4A CN202111303443A CN113856526B CN 113856526 B CN113856526 B CN 113856526B CN 202111303443 A CN202111303443 A CN 202111303443A CN 113856526 B CN113856526 B CN 113856526B
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feed liquid
temperature
feed
value range
liquid
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CN113856526A (en
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邵伟
胡海龙
邵群
邵浩
张坤
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China Tobacco Anhui Industrial Co Ltd
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China Tobacco Anhui Industrial Co Ltd
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Abstract

The invention discloses a temperature control method of a feed material liquid tank, which comprises the following steps of: injecting quantitative feed liquid into a feed liquid tank; opening a steam pneumatic film regulating valve to preheat feed liquid; opening a feed liquid discharging valve, and discharging; the opening degree and the switching time length of the steam pneumatic film regulating valve are controlled differently according to the liquid level interval section, so that the temperature of the feed liquid is always kept in a stable temperature range; when the liquid level X of the feed liquid is X 7 ~X 6 Closing the steam pneumatic film regulating valve in the interval; and opening a manual emptying valve to empty the feed liquid in the feed liquid tank. Compared with the prior art, the invention has the following advantages: the temperature of the feed liquid in the feed tank can be better controlled, and the steam can be efficiently utilized, so that the stability of downstream cigarette process production is effectively ensured, and the consumption of steam is saved.

Description

Temperature control method for feeding material liquid tank
Technical Field
The invention relates to the technical field of feeding control in the cigarette production process, in particular to a temperature control method of a feeding material liquid tank.
Background
The feeding machine is a main device in the tobacco shred production line, processes the tobacco flakes after the cut tobacco shreds are remoistened, and uniformly applies the prepared feed liquid on the tobacco leaves according to the formula and the dosage proportion so as to improve the sensory quality and physical properties of the tobacco leaves. In order to ensure the uniformity of the application of the feed liquid, the temperature is generally set to be 50+/-3 ℃ according to the processing technology requirement, and the feed liquid in the feed liquid tank is required to be continuously heated; when preheating, the feed liquid temperature can be controlled within a set value range, but the upper limit of the feed liquid temperature irregular frequency flushing of the feed tank in the production process is found. In the production process, the temperature of the feed liquid is required to be always kept within the range of 50+/-3 ℃, and the steam pneumatic film regulating valve on the heating pipe needs to act continuously to heat the feed liquid in the feed tank.
The existing heating control mode is as follows: when the actual temperature of the feed liquid is lower than the lower limit of the set temperature, the steam pneumatic film regulating valve is opened, and the feed liquid in the feed tank is heated by steam; when the actual temperature of the feed liquid is greater than the upper limit of the set temperature, the steam pneumatic film regulating valve is closed, and the heating of the feed liquid is stopped; however, as the feed liquid is continuously conveyed from the feed liquid tank to the next process through the feed liquid discharging pipe and is used for being sprayed on the blades in the barrel, the liquid amount in the feed liquid tank is continuously reduced, in the current mode, the steam pneumatic film regulating valve is only in two states of being completely opened and completely closed, the action of the steam pneumatic film regulating valve is irregular and can be found, frequent actions are needed, the feed liquid temperature is frequently washed up in the production process, and meanwhile, the steam is wasted.
According to the prior heating control mode, the applicant conducts spot check on data of 6 months continuously as follows:
the maximum standard deviation of the temperature of the blade feed liquid reaches 93.69%, the minimum value is 87.50%, and the average value is 90.13%; the maximum value of the absolute deviation standard reaching rate of the feed liquid temperature is 83.52%, the minimum value is 71.48%, the average value is 78.60%, and the temperature control stability of the blade feed liquid is poor.
In the cigarette process specification, the temperature of the feed liquid in the blade feeding process is definitely required to be controllable, and the feed liquid needs to be kept stable in the production process.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a temperature control method of a feeding material liquid tank, so that the material liquid temperature in the feeding material tank can be better controlled and the steam can be efficiently utilized, thereby effectively ensuring the production stability of a downstream cigarette process and saving the steam consumption.
The invention is realized by the following technical scheme:
the temperature control method of the feeding material liquid tank comprises the steps that a material liquid discharging pipe is arranged at the bottom of the feeding material liquid tank, a material liquid discharging valve is arranged on the material liquid discharging pipe, a heating interlayer is arranged on the periphery of the feeding material liquid tank, water is filled in the heating interlayer, a heating pipe is arranged in the heating interlayer, the inlet end of the heating pipe is connected with a steam input pipeline, the outlet end of the heating pipe is connected with a condensed water output pipeline, a temperature sensor and a liquid level meter are arranged on the feeding material liquid tank, a steam pneumatic film regulating valve is arranged on the steam input pipeline, and the control method sequentially comprises the following steps:
step one, closing a feed liquid discharging valve, and injecting X into a feed liquid tank 1 Wherein X is 1 The value range of the (B) is 100L-150L;
step two, opening a steam pneumatic film regulating valve, inputting heating steam into a heating pipe, heating water in a heating interlayer, preheating feed liquid in a feed liquid tank through the heated water, collecting the temperature of the feed liquid in real time by a temperature sensor, and when the temperature of the feed liquid reaches a set temperature T 1 At the end of preheating, T 1 The value range of the (C) is 40-70 ℃;
step three, a feed liquid discharging valve is opened, feed liquid in a feed liquid tank is conveyed to the next working procedure through a feed liquid discharging pipe, and the feed liquid level X in the feed liquid tank is detected in real time by a liquid level meter;
step four, when the liquid level X of the feed liquid in the feed liquid tank is X 2 ~X 1 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing operation one: controlling the opening of the steam pneumatic film regulating valve to be a 1 And last t 11 Then closing the steam pneumatic membrane regulator valve for a duration t 12 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, if so, executing the first operation again, and circulating in this way; wherein delta 1 Delta for a set buffer temperature 1 The value range is 0.5-5 ℃ and X 2 The value range of (a) is 70L-100L 1 The value range of (2) is 70% -90%, t 11 The value range of (1) is 150 s-170 s, t 12 The value range of (2) is 1 s-10 s;
step five, when the liquid level X of the feed liquid in the feed liquid tank is X 3 ~X 2 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation II: controlling the opening of the steam pneumatic film regulating valve to be a 2 And last t 21 Time of (1)Long, then the steam pneumatic film regulating valve is closed for t 22 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, if so, executing the second operation again, and circulating in this way; wherein X is 3 Has a value of 50L, a 2 The value range of (2) is 60% -80%, t 21 The value range of (1) is 60 s-100 s, t 22 The value range of (2) is 1 s-10 s;
step six, when the liquid level X of the feed liquid in the feed liquid tank is X 4 ~X 3 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation III: controlling the opening of the steam pneumatic film regulating valve to be a 3 And last t 31 Then closing the steam pneumatic membrane regulator valve for a duration t 32 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, if so, executing the third operation again, and circulating in this way; wherein X is 4 The value range of the alpha is 20L-50L, a 3 The value range of (2) is 50% -70%, t 31 The range of the value is 30 s-50 s, t 32 The value range of (2) is 1 s-10 s;
step seven, when the liquid level X of the feed liquid in the feed liquid tank is X 5 ~X 4 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation four: controlling the opening of the steam pneumatic film regulating valve to be a 4 And last t 41 Then closing the steam pneumatic membrane regulator valve for a duration t 42 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, if so, executing the fourth operation again, and circulating in this way; wherein X is 5 Is 10L, a 4 The value range of (2) is 40% -60%, t 41 The range of the value is 10 s-30 s, t 42 The value range of (2) is 1 s-10 s;
step eight, when the liquid level X of the feed liquid in the feed liquid tank is X 6 ~X 5 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation five: controlling the opening of the steam pneumatic film regulating valve to be a 5 And last t 51 Then closing the steam pneumatic filmRegulating the valve and continuing t 52 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, and executing the fifth operation again if the feed liquid temperature T meets the first condition, so that the cycle is performed; wherein X is 6 The value range of (a) is 5L-10L 5 The value range of (2) is 30% -50%, t 51 The value range of (2) is 7 s-20 s, t 52 The value range of (2) is 1 s-10 s;
step nine, when the liquid level X of the feed liquid in the feed liquid tank is X 7 ~X 6 Interval, closing steam pneumatic film regulating valve, wherein X 7 The value range is 1L-5L;
and step ten, returning to the step one to execute the feeding operation of the next batch when the liquid level of the feed liquid in the feeding feed liquid tank is zero.
As a preferable scheme of the control method, after the step nine and before the step ten, a step nine one is further provided, where the step nine one is: when the liquid level X in the feeding liquid tank is lower than the lower limit value X of the liquid lim When the feeding material liquid tank is in use, a manual emptying valve at the bottom of the feeding material liquid tank is opened to empty the feeding material liquid in the feeding material liquid tank, wherein the lower limit value X of the feeding material liquid lim Is set as a value X lim The range of the value is 0.1L-1L.
As the preferable scheme of the control method, the stirrer is arranged in the feeding material liquid tank, the stirring of the material liquid in the feeding material liquid tank is realized by driving the stirrer to act through the stirring motor, and the stirrer is kept in a starting state in the process of heating the material liquid in the feeding material liquid tank.
As a preferable scheme of the control method, the liquid level meter is a magnetic induction liquid level meter.
As a preferable scheme of the control method, a steam drain valve is arranged on the condensed water output pipeline.
Compared with the prior art, the invention has the following advantages:
according to the temperature control method for the feeding material liquid tank, provided by the invention, the liquid level of the material liquid in the feeding material liquid tank is detected in real time through the liquid level meter, and the opening degree and the switching time length of the steam pneumatic film regulating valve are controlled differently according to the liquid level interval section, so that the stability of the temperature of the material liquid in the feeding material liquid tank is ensured, and the stability of the production of a downstream cigarette process is effectively ensured; meanwhile, the steam is efficiently utilized, and the consumption of the steam is saved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Reference numerals in the drawings: 1 a charging material liquid tank; 2 a feed liquid discharging pipe; 3, a feed liquid discharging valve; 4, heating the interlayer; 5 steam input pipeline; 6, a condensed water output pipeline; 7, a steam trap; 8, a temperature sensor; 9, a liquid level meter; 10 steam pneumatic film regulating valve; 11 a stirrer; 12, a stirring motor; 13 manual drain valve.
Description of the embodiments
The following describes in detail the examples of the present invention, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present invention is not limited to the following examples.
Referring to fig. 1, this embodiment provides a temperature control method for a feed material liquid tank 1, wherein a feed material liquid discharging pipe 2 is arranged at the bottom of the feed material liquid tank 1, a feed material liquid discharging valve 3 is arranged on the feed material liquid discharging pipe 2, a heating interlayer 4 is arranged on the periphery of the feed material liquid tank 1, water is filled in the heating interlayer 4, a heating pipe is arranged in the heating interlayer 4, an inlet end of the heating pipe is connected with a steam input pipeline 5, an outlet end of the heating pipe is connected with a condensed water output pipeline 6, and a steam drain valve 7 is arranged on the condensed water output pipeline 6 and is used for discharging condensed water formed after steam and water are subjected to heat exchange. The feeding material liquid tank 1 is provided with a temperature sensor 8 and a liquid level meter 9, the liquid level meter 9 is a magnetic induction liquid level meter, the steam input pipeline 5 is provided with a steam pneumatic film regulating valve 10, the feeding material liquid tank 1 is internally provided with a stirrer 11, the stirrer 11 is driven by a stirring motor 12 to act so as to stir the material liquid in the feeding material liquid tank 1, and the stirrer 11 is kept in a starting state in the process of heating the material liquid in the feeding material liquid tank 1.
The control method comprises the following steps in sequence:
step one, closing a feed liquid discharging valve 3, and injecting X into a feed liquid tank 1 1 Wherein X is 1 The value range of the (B) is 100L-150L;
step two, opening a steam pneumatic film regulating valve 10, inputting heating steam into a heating pipe, heating water in a heating interlayer 4, preheating feed liquid in a feed liquid tank 1 by the heated water, collecting the temperature of the feed liquid in real time by a temperature sensor 8, and when the temperature of the feed liquid reaches a set temperature T 1 At the end of preheating, T 1 The value range of the (C) is 40-70 ℃;
step three, a feed liquid discharging valve 3 is opened, feed liquid in a feed liquid tank 1 is conveyed to the next process through a feed liquid discharging pipe 2, and the feed liquid level X in the feed liquid tank 1 is detected in real time by a liquid level meter 9;
step four, when the liquid level X of the feed liquid in the feed liquid tank 1 is X 2 ~X 1 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing operation one: the opening degree of the steam pneumatic film regulating valve 10 is controlled to be a 1 And last t 11 Then closing the steam pneumatic membrane regulator valve 10 for a duration t 12 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, if so, executing the first operation again, and circulating in this way; wherein delta 1 Delta for a set buffer temperature 1 The value range is 0.5-5 ℃ and X 2 The value range of (a) is 70L-100L 1 The value range of (2) is 70% -90%, t 11 The value range of (1) is 150 s-170 s, t 12 The value range of (2) is 1 s-10 s;
step five, when the liquid level X of the feed liquid in the feed liquid tank 1 is X 3 ~X 2 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation II: the opening degree of the steam pneumatic film regulating valve 10 is controlled to be a 2 And last t 21 Then closing the steam pneumatic membrane regulator valve 10 for a duration t 22 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, if so, executing the second operation again, and circulating in this way; wherein X is 3 Has a value of 50L, a 2 The value range of (2) is 60% -80%, t 21 The value range of (1) is 60 s-100 s, t 22 The value range of (2) is 1 s-10 s;
step six, when the liquid level X of the feed liquid in the feed liquid tank 1 is X 4 ~X 3 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation III: the opening degree of the steam pneumatic film regulating valve 10 is controlled to be a 3 And last t 31 Then closing the steam pneumatic membrane regulator valve 10 for a duration t 32 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, if so, executing the third operation again, and circulating in this way; wherein X is 4 The value range of the alpha is 20L-50L, a 3 The value range of (2) is 50% -70%, t 31 The range of the value is 30 s-50 s, t 32 The value range of (2) is 1 s-10 s;
step seven, when the liquid level X of the feed liquid in the feed liquid tank 1 is X 5 ~X 4 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation four: the opening degree of the steam pneumatic film regulating valve 10 is controlled to be a 4 And last t 41 Then closing the steam pneumatic membrane regulator valve 10 for a duration t 42 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, if so, executing the fourth operation again, and circulating in this way; wherein X is 5 Is 10L, a 4 The value range of (2) is 40% -60%, t 41 The range of the value is 10 s-30 s, t 42 The value range of (2) is 1 s-10 s;
step eight, when the liquid level X of the feed liquid in the feed liquid tank 1 is X 6 ~X 5 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation five: the opening degree of the steam pneumatic film regulating valve 10 is controlled to be a 5 And last t 51 Then closing the steam pneumatic membrane regulator valve 10 for a duration t 52 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, and executing the fifth operation again if the feed liquid temperature T meets the first condition, so that the cycle is performed; wherein X is 6 The value range of (a) is 5L-10L 5 The value range of (2) is 30% -50%, t 51 The value range of (2) is 7 s-20 s, t 52 The value range of (2) is 1 s-10 s;
step nineWhen the liquid level X of the feed liquid in the feed liquid tank 1 is X 7 ~X 6 Interval, closing the steam pneumatic membrane regulator valve 10, where X 7 The value range is 1L-5L;
step nine: when the liquid level X of the feed liquid in the feed liquid tank 1 is lower than the lower limit value X of the feed liquid lim At the time, a manual emptying valve 13 at the bottom of the feed material liquid tank 1 is opened to empty the feed material liquid in the feed material liquid tank 1, wherein the lower limit value X of the feed material liquid lim Is set as a value X lim The value range of (2) is 0.1L-1L;
and step ten, returning to the step one to execute the feeding operation of the next batch when the liquid level of the feed liquid in the feeding feed liquid tank 1 is zero.
In the embodiment, the liquid level of the feed liquid in the feed liquid tank 1 is detected in real time through the liquid level meter 9, the opening degree and the switching time length of the steam pneumatic film regulating valve 10 are controlled differently according to the liquid level interval, the temperature of the feed liquid is collected in real time through the temperature sensor 8 in each interval of the liquid level, and the opening degree and the switching time length of the steam pneumatic film regulating valve 10 are controlled according to the real-time feed liquid temperature, so that the control method ensures that the feed liquid temperature in the feed liquid tank 1 is always kept in a stable range, thereby effectively ensuring the stability of downstream cigarette process production; meanwhile, the steam is efficiently utilized, and the consumption of the steam is saved.
The applicant carried out the control method according to the examples, again spot checking the data for 6 consecutive months as follows:
the maximum standard deviation of the temperature of the blade feed liquid reaches 100%, the minimum standard deviation is 98.32%, the average value is 99.14%, and the average value is 9.01% higher than that before improvement; the maximum value of the standard reaching rate of the absolute deviation of the feed liquid temperature is 99.40%, the minimum value is 95.80%, the average value is 97.66%, the average value is improved by 19.06% compared with the average value before improvement, and the temperature control stability of the blade feed liquid is obviously improved; the applicant also checks the steam consumption data of the blade feed liquid for 6 months continuously from the energy management and control database, the total steam is saved by 900Kg after improvement, the steam consumption of 10Kg can be saved by heating the temperature of each batch of blade feed liquid, and the steam consumption is obviously reduced.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (5)

1. The utility model provides a reinforced material fluid reservoir temperature control method, reinforced material fluid reservoir bottom is equipped with the feed liquid discharging pipe, is equipped with feed liquid bleeder valve on the feed liquid discharging pipe, its characterized in that: the steam-driven thin film control device is characterized in that a heating interlayer is arranged on the periphery of the feeding material liquid tank, water is filled in the heating interlayer, a heating pipe is arranged in the heating interlayer, the inlet end of the heating pipe is connected with a steam input pipeline, the outlet end of the heating pipe is connected with a condensed water output pipeline, a temperature sensor and a liquid level meter are arranged on the feeding material liquid tank, a steam pneumatic thin film regulating valve is arranged on the steam input pipeline, and the control method sequentially comprises the following steps:
step one, closing a feed liquid discharging valve, and injecting X into a feed liquid tank 1 Wherein X is 1 The value range of the (B) is 100L-150L;
step two, opening a steam pneumatic film regulating valve, inputting heating steam into a heating pipe, heating water in a heating interlayer, preheating feed liquid in a feed liquid tank through the heated water, collecting the temperature of the feed liquid in real time by a temperature sensor, and when the temperature of the feed liquid reaches a set temperature T 1 At the end of preheating, T 1 The value range of the (C) is 40-70 ℃;
step three, a feed liquid discharging valve is opened, feed liquid in a feed liquid tank is conveyed to the next working procedure through a feed liquid discharging pipe, and the feed liquid level X in the feed liquid tank is detected in real time by a liquid level meter;
step four, when the liquid level X of the feed liquid in the feed liquid tank is X 2 ~X 1 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing operation one: controlling the opening of the steam pneumatic film regulating valve to be a 1 And last t 11 Then closing the steam pneumatic membrane regulator valve for a duration t 12 Is a time period of (2); then continue to judgeIf the feed liquid temperature T meets the first condition, executing the first operation again, and circulating in this way; wherein delta 1 Delta for a set buffer temperature 1 The value range is 0.5-5 ℃ and X 2 The value range of (a) is 70L-100L 1 The value range of (2) is 70% -90%, t 11 The value range of (1) is 150 s-170 s, t 12 The value range of (2) is 1 s-10 s;
step five, when the liquid level X of the feed liquid in the feed liquid tank is X 3 ~X 2 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation II: controlling the opening of the steam pneumatic film regulating valve to be a 2 And last t 21 Then closing the steam pneumatic membrane regulator valve for a duration t 22 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, if so, executing the second operation again, and circulating in this way; wherein X is 3 Has a value of 50L, a 2 The value range of (2) is 60% -80%, t 21 The value range of (1) is 60 s-100 s, t 22 The value range of (2) is 1 s-10 s;
step six, when the liquid level X of the feed liquid in the feed liquid tank is X 4 ~X 3 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation III: controlling the opening of the steam pneumatic film regulating valve to be a 3 And last t 31 Then closing the steam pneumatic membrane regulator valve for a duration t 32 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, if so, executing the third operation again, and circulating in this way; wherein X is 4 The value range of the alpha is 20L-50L, a 3 The value range of (2) is 50% -70%, t 31 The range of the value is 30 s-50 s, t 32 The value range of (2) is 1 s-10 s;
step seven, when the liquid level X of the feed liquid in the feed liquid tank is X 5 ~X 4 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation four: controlling the opening of the steam pneumatic film regulating valve to be a 4 And last t 41 Then closing the steam pneumatic film regulating valveAnd last t 42 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, if so, executing the fourth operation again, and circulating in this way; wherein X is 5 Is 10L, a 4 The value range of (2) is 40% -60%, t 41 The range of the value is 10 s-30 s, t 42 The value range of (2) is 1 s-10 s;
step eight, when the liquid level X of the feed liquid in the feed liquid tank is X 6 ~X 5 Judging whether the feed liquid temperature T meets the first condition: t (T)<T 1 -δ 1 If yes, executing an operation five: controlling the opening of the steam pneumatic film regulating valve to be a 5 And last t 51 Then closing the steam pneumatic membrane regulator valve for a duration t 52 Is a time period of (2); then continuously judging whether the feed liquid temperature T meets the first condition, and executing the fifth operation again if the feed liquid temperature T meets the first condition, so that the cycle is performed; wherein X is 6 The value range of (a) is 5L-10L 5 The value range of (2) is 30% -50%, t 51 The value range of (2) is 7 s-20 s, t 52 The value range of (2) is 1 s-10 s;
step nine, when the liquid level X of the feed liquid in the feed liquid tank is X 7 ~X 6 Interval, closing steam pneumatic film regulating valve, wherein X 7 The value range is 1L-5L;
and step ten, returning to the step one to execute the feeding operation of the next batch when the liquid level of the feed liquid in the feeding feed liquid tank is zero.
2. A method for controlling the temperature of a feed stock tank as set forth in claim 1, wherein: after the step nine and before the step ten, a step nine is further provided, wherein the step nine is as follows: when the liquid level X in the feeding liquid tank is lower than the lower limit value X of the liquid lim When the feeding material liquid tank is in use, a manual emptying valve at the bottom of the feeding material liquid tank is opened to empty the feeding material liquid in the feeding material liquid tank, wherein the lower limit value X of the feeding material liquid lim Is set as a value X lim The range of the value is 0.1L-1L.
3. A method for controlling the temperature of a feed stock tank as set forth in claim 1, wherein: the stirrer is arranged in the feeding material liquid tank, stirring of the material liquid in the feeding material liquid tank is achieved through the action of the stirrer driven by the stirring motor, and the stirrer is kept in a starting state in the process of heating the material liquid in the feeding material liquid tank.
4. A method for controlling the temperature of a feed stock tank as set forth in claim 1, wherein: the liquid level meter is a magnetic induction liquid level meter.
5. A method for controlling the temperature of a feed stock tank as set forth in claim 1, wherein: and a steam drain valve is arranged on the condensed water output pipeline.
CN202111303443.4A 2021-11-05 2021-11-05 Temperature control method for feeding material liquid tank Active CN113856526B (en)

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CN206427561U (en) * 2017-01-17 2017-08-22 临沂友康生物科技有限公司 A kind of DHA and AA oil antioxidants adding set
CN211099133U (en) * 2019-09-19 2020-07-28 西安工业大学 Water bath kettle capable of controlling temperature in sections
CN113589865A (en) * 2021-07-12 2021-11-02 浙江中烟工业有限责任公司 Tobacco charging barrel temperature control method based on pulse width modulation

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