CN115407807A - A discharge temperature regulating device, method and feeder - Google Patents

Abstract

The invention discloses a discharge temperature adjusting device, which is used for controlling the discharge temperature of a charging machine and comprises: the steam regulating valve is arranged on a steam input pipeline of the feeder; the detection unit is arranged on a discharge port of the feeder and used for detecting an actual discharge temperature value of the feeder; and the control system is electrically connected with the steam regulating valve and the detection unit and is used for receiving the actual discharging temperature value fed back by the detection unit and regulating the opening of the steam regulating valve according to the preset discharging temperature value so as to change the steam input quantity and enable the actual discharging temperature value to be equal to the preset discharging temperature value. The invention can improve the automation level of the adjustment of the discharging temperature of the charging machine, overcome the hysteresis quality of manual adjustment and improve the stability of the discharging temperature. The invention also provides a discharging temperature adjusting method and a feeder.

Description

A discharge temperature regulating device, method and feeder

technical field

The invention relates to the technical field of tobacco processing, in particular to a discharge temperature regulating device, method and feeder.

Background technique

Feeding machines in my country's tobacco industry generally use direct-injection steam to adjust the temperature of the tobacco material, and adjust the flow of compensating steam by controlling the opening of the ventilation valve. In the prior art, a solenoid valve is generally used to control the on-off of steam or the opening of the ventilation valve is manually controlled by the operator. The automation level is low, and the adjustment lag can easily cause large fluctuations in the discharge temperature beyond the temperature range required by the process, affecting the quality of the smoke material. .

Contents of the invention

The purpose of the present invention is to solve the technical problems in the prior art that the automation level of the temperature adjustment of the feeder is low, and the adjustment lag easily causes large fluctuations in the discharge temperature beyond the temperature range required by the process, which affects the quality of the smoke material. The invention provides a discharge temperature regulating device, which can improve the automation level of discharge temperature regulation, improve regulation efficiency, and enhance the stability of discharge temperature.

In order to solve the above technical problems, an embodiment of the present invention provides a discharge temperature regulating device for controlling the discharge temperature of the feeder, including:

The steam regulating valve is arranged on the steam input pipeline of the feeder;

The detection unit is set on the discharge port of the feeder and is used to detect the actual discharge temperature value of the feeder;

The control system is electrically connected with the steam regulating valve and the detection unit, and the control system is used to receive the actual discharge temperature value fed back by the detection unit, and adjust the opening of the steam control valve according to the preset discharge temperature value to change the steam input amount, Make the actual discharge temperature value equal to the preset discharge temperature value.

Optionally, the adjustment accuracy of the steam regulating valve is 0.5-5%.

Optionally, the detection unit includes a probe. The probe is arranged inside the discharge port of the feeder and is electrically connected to the control system. The probe is used to detect the actual discharge temperature value of the feeder and feed it back to the control system.

Optionally, the control system includes:

The storage unit is used to store at least one data set, the data set includes the preset discharge temperature value and the opening value of the steam regulating valve;

The interactive unit is used to receive the preset parameters selected by the user and display the current actual discharge temperature value;

The processing unit is electrically connected with the interaction unit, the storage unit and the detection unit, and is used to generate corresponding work instructions according to the preset parameters selected by the user.

Optionally, the processing unit includes a PID regulator, and the PID regulator is electrically connected to the steam regulating valve, and is used for regulating the opening of the steam regulating valve according to a preset parameter selected by a user.

Optionally, the parameters of the PID regulator include: a P value of 8-10, an I value of 1-3, and a D value of 0.5-1.

Optionally, the preset parameters include a preset discharge temperature value and a preset opening value of the steam regulating valve;

When the preset parameter is the preset discharge temperature value, the work instruction is to call the corresponding opening value in the storage unit according to the preset discharge temperature value, and adjust the opening degree of the steam regulating valve according to the opening value;

When the preset parameter is the preset opening value, the work instruction is to adjust the opening of the steam regulating valve according to the preset opening value, and the detection unit detects the actual discharge obtained under the action of the preset opening value After the temperature value, the preset discharge temperature value equal to the actual discharge temperature value and the opening value equal to the preset opening value are stored in the storage unit to form a data group.

Optionally, the steam delivery pipeline includes a first delivery pipeline and a second delivery pipeline connected to the feeder, the position where the first delivery pipeline is connected to the feeder is close to the side where the discharge port of the feeder is located, and the second delivery The position where the pipeline is connected to the feeder is close to the side where the feed inlet of the feeder is located, and the steam regulating valve includes: a first regulating valve arranged on the first conveying pipe, and a second regulating valve arranged on the second conveying pipe valve.

Optionally, the storage unit stores two data sets corresponding to the first regulating valve and the second regulating valve respectively, and the control system can output different opening values to the first regulating valve and the second regulating valve.

A discharge temperature regulating method for controlling any of the foregoing discharge temperature regulating devices, comprising the following steps:

Receive the preset discharge temperature value input by the user;

According to the preset discharge temperature value input by the user, the opening value in the corresponding data group in the storage unit is called;

Output the opening value to the steam regulating valve, and adjust the opening of the steam regulating valve according to the opening value.

Optionally, the method for constructing the data set includes:

Receive the preset opening value input by the user;

Send the preset opening value to the steam regulating valve, and adjust the opening of the steam regulating valve according to the preset opening value;

The detection unit detects the actual discharge temperature value obtained under the action of the preset opening value, and feeds back the actual discharge temperature value to the control system;

The control system stores the preset discharge temperature value equal to the actual discharge temperature value and the opening degree value equal to the preset opening value into the storage unit to form a data group.

A feeder, comprising any one of the discharge temperature regulating devices mentioned above.

Compared with the prior art, the present invention has the following beneficial effects:

Adjusting the discharge temperature through the detection unit and the control system improves the automation level of the discharge temperature adjustment. The control system automatically adjusts the opening of the steam regulating valve to change the discharge temperature to improve the regulation efficiency. The detection unit detects the actual discharge temperature in real time. And feed back to the control system for regulation, which reduces the temperature fluctuation caused by the regulation lag and enhances the stability of the discharge temperature.

Description of drawings

Fig. 1 shows a schematic structural view of a discharge temperature regulating device according to an embodiment of the present invention;

Fig. 2 shows a flowchart of a method for adjusting the discharge temperature according to an embodiment of the present invention.

Reference signs:

1. Steam input pipeline, 101. First delivery pipeline, 102. Second delivery pipeline, 2. Steam regulating valve, 201. First regulating valve, 202. Second regulating valve, 3. Detection unit, 301. Probe, 4 .Control system, 5. Material inlet, 6. Material outlet, 7. Feeding machine.

Detailed ways

The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention will be presented in conjunction with a preferred embodiment, it does not mean that the features of the invention are limited to this embodiment. On the contrary, the purpose of introducing the invention in conjunction with the embodiments is to cover other options or modifications that may be extended based on the claims of the present invention. The following description contains numerous specific details in order to provide a thorough understanding of the present invention. The invention may also be practiced without these details. Also, some specific details will be omitted from the description in order to avoid obscuring or obscuring the gist of the present invention. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

It should be noted that in this specification, similar numerals and letters denote similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be identified in subsequent drawings. for further definition and explanation.

In the description of this embodiment, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "bottom" etc. is based on the orientation or positional relationship shown in the drawings, or is The conventionally placed orientation or positional relationship of the inventive product during use is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention.

The terms "first", "second", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of this embodiment, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting", "connecting" and "connecting" should be understood in a broad sense, for example, it can be a fixed connection or a A detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary, and it may be an internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this embodiment in specific situations.

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

Fig. 1 has shown the structural representation of a kind of discharge temperature adjusting device provided by the present invention, and this device is come to control the discharge temperature of feeder 7 by controlling the steam flow rate that is imported in feeder 7 from steam input pipeline 1, and this device include:

The steam regulating valve 2 is arranged on the steam input pipeline 1 of the feeder 7; the steam in the steam input pipeline 1 is conveyed along the direction A in Fig. 1; the steam regulating valve 2 controls the steam flow in the feeder 7 by changing its opening degree. flow;

The detection unit 3 is arranged on the discharge port 6 of the feeder 7 and is used to detect the actual discharge temperature value of the feeder 7; in the present embodiment, the detection unit 3 is arranged on the discharge port 6 of the feeder 7 to facilitate Installation and maintenance.

The control system 4 is electrically connected to the steam regulating valve 2 and the detection unit 3, the control system 4 is used to receive the actual discharge temperature value fed back by the detection unit 3, and adjust the opening of the steam regulating valve 2 according to the preset discharge temperature value, To change the steam input, so that the actual discharge temperature is equal to the preset discharge temperature.

Adopting the above technical scheme, the opening degree of the steam regulating valve 2 is automatically adjusted through the control system 4 to change the discharge temperature, which improves the adjustment efficiency and automation level; the detection unit 3 is used to detect the discharge temperature value and is fed back to the control system 4 in real time for opening Temperature adjustment avoids the temperature instability caused by the hysteresis of manually adjusting the steam flow after manual observation of the temperature, enhances the stability of the discharge temperature, makes the discharge temperature meet the technical requirements of tobacco processing, and improves product quality.

Further, the adjustment accuracy of the steam regulating valve 2 is 0.5-5%. The adjustment accuracy means that after the control system 4 sends an adjustment instruction to the steam adjustment valve 2, the minimum value of the adjustment opening of the steam adjustment valve 2 is 0.5-5%. Adopting the above-mentioned adjustment precision can make the opening of the steam regulating valve 2 be precisely controlled, and prevent the temperature fluctuation caused by the opening degree excessively increasing or the opening degree response being too slow to cause the adjustment lag. Specifically, the control system 4 sends an adjustment instruction to the steam regulating valve 2 to turn on the power of the steam regulating valve 2, and the length of the power-on time is proportional to the change value of the opening degree. In this embodiment, the feeder 7 is a drum feeder with a capacity of 500 L, and the temperature in the feeder 7 is sensitive to the steam flow rate, and the steam regulating valve 2 with an adjustment accuracy of 0.5% is used; in other embodiments, for The feeder 7 with a larger capacity has a lower sensitivity to the response of the internal temperature to the steam flow rate, and the steam regulating valve 2 with a regulating accuracy of 2%, 3% and 5% can be used, which can reduce the regulating frequency and improve regulating efficiency.

Further, the detection unit 3 includes a probe 301, which is arranged inside the discharge port 6 of the feeder 7 and is electrically connected to the control system 4, so as to directly contact the material and air inside the feeder 7 to detect the discharge temperature in real time. In this embodiment, the probe 301 is a temperature sensor, and the sensing end of the temperature sensor is arranged on the inner side of the discharge port 6 of the feeder 7, and the other end of the temperature sensor passes through the housing of the feeder 7 and stretches to the outside. The type of is not limited. The probe 301 is used to detect the actual discharge temperature value of the feeder 7 and feed it back to the control system 4 .

Further, the control system 4 includes:

A storage unit for storing at least one data set, the data set includes a preset discharge temperature value and an opening value of the steam regulating valve 2;

The interactive unit is used to receive the preset parameters selected by the user and display the current actual discharge temperature value;

The processing unit is electrically connected with the interaction unit, the storage unit and the detection unit 3, and is used to generate corresponding work instructions according to the preset parameters selected by the user.

Further, the processing unit includes a PID regulator, and the PID regulator is electrically connected with the steam regulating valve 2 for regulating the opening of the steam regulating valve 2 according to preset parameters selected by the user. The PID regulator is used to control the opening of the steam regulating valve 2, and the PID parameter value can be edited according to the actual project, which is convenient for maintenance and adjustment.

Further, the parameters of the PID regulator include: a P value of 8-10, an I value of 1-3, and a D value of 0.5-1. The adoption of the technical proposal can improve the stability of the adjustment of the opening degree of the steam regulating valve 2, reduce the adjustment deviation and improve the adjustment sensitivity. In this embodiment, the P value of the PID regulator is 8, the I value is 3, and the D value is 0.5, which can smoothly, accurately and timely complete the adjustment of the opening of the steam regulating valve 2; in some embodiments, usually according to The empirical value P is 10, the I value is 1, and the D value is 1. The embodiment using these parameters can also smoothly, accurately and timely complete the adjustment of the opening of the steam regulating valve 2 in the production process.

Further, the preset parameters include a preset discharge temperature value and a preset opening value of the steam regulating valve 2;

When the preset parameter is the preset discharge temperature value, the work instruction is to call the corresponding opening value in the storage unit according to the preset discharge temperature value (that is, to be located in the same data group as the preset discharge temperature value opening value), and adjust the opening of the steam regulating valve 2 according to the opening value; therefore, the opening of the steam regulating valve 2 can be adjusted to the opening value corresponding to the preset discharge temperature value in one step, avoiding manual adjustment Output quality problems caused by hysteresis and low accuracy.

When the preset parameter is the preset opening value, the work instruction is to adjust the opening of the steam regulating valve 2 according to the preset opening value, and the detection unit 3 detects the actual value obtained under the action of the preset opening value. After the discharge temperature value, the preset discharge temperature value equal to the actual discharge temperature value and the opening value equal to the preset opening value are stored in the storage unit to form a data group. In engineering practice, when the processing technology is replaced, the smoke material is replaced, or the ambient temperature changes greatly, the discharge temperature value will be affected. It is necessary to debug and calibrate the feeder 7. At this time, the above technical scheme can be used for each opening value. Match the corresponding discharge temperature value.

Further, the steam delivery pipeline includes a first delivery pipeline 101 and a second delivery pipeline 102 connected to the feeder 7, and the position where the first delivery pipeline 101 is connected to the feeder 7 is close to where the outlet 6 of the feeder 7 is located. On one side, the position where the second delivery pipeline 102 is connected to the feeder 7 is close to the side where the feed inlet 5 of the feeder 7 is located, and the steam regulating valve 2 includes: a first regulating valve 201 arranged on the first delivery pipeline 101 , and the second regulating valve 202 arranged on the second conveying pipeline 102 . In this embodiment, the first regulating valve 201 and the second regulating valve 202 are pneumatic membrane valves, and the front and rear pneumatic membrane valves are used to control the steam input, so that the materials in the feeder 7 can be heated evenly.

Further, the storage unit stores two data groups, corresponding to the first regulating valve 201 and the second regulating valve 202 respectively, and the control system 4 can output different opening values to the first regulating valve 201 and the second regulating valve. The user can set the opening or adjusting sequence of the first regulating valve 201 and the second regulating valve 202 in the interactive unit of the control system 4 according to the process requirements, so as to enhance the adaptability of the discharge temperature regulating device to different processes. Here, the first regulating valve The adjustment sequence of the valve sum 201 and the second regulating valve 202 is not limited.

The present invention also provides a discharge temperature adjustment method for controlling the discharge temperature adjustment device of any one of the foregoing, comprising the following steps:

Receive the preset discharge temperature value input by the user;

According to the preset discharge temperature value input by the user, the opening value in the corresponding data group in the storage unit is called;

Output the opening value to the steam regulating valve 2, and adjust the opening of the steam regulating valve 2 according to the opening value.

Further, the construction method of the data set includes:

Receive the preset opening value input by the user;

Send the preset opening value to the steam regulating valve 2, and adjust the opening of the steam regulating valve 2 according to the preset opening value;

The detection unit 3 detects the actual discharge temperature value obtained under the action of the preset opening value, and feeds back the actual discharge temperature value to the control system 4;

The control system 4 stores the preset discharge temperature value equal to the actual discharge temperature value and the opening degree value equal to the preset opening value into the storage unit to form a data group.

The discharging temperature regulating method adopting the above technical solution can simply and conveniently control the discharging temperature regulating device provided by the present invention, which is convenient for users to operate.

The present invention also provides a feeder 7, including any one of the discharge temperature regulating devices mentioned above.

Although the present invention has been illustrated and described with reference to some preferred embodiments of the present invention, those skilled in the art should understand that the above content is a further detailed description of the present invention in conjunction with specific embodiments, and cannot be deemed Embodiments of the present invention are limited only by these descriptions. Those skilled in the art may make various changes in form and details, including several simple deduction or substitutions, without departing from the spirit and scope of the present invention.

Claims (12)

1. The utility model provides a ejection of compact temperature regulation apparatus for control feeder ejection of compact temperature, its characterized in that includes:

the steam regulating valve is arranged on a steam input pipeline of the feeder;

the detection unit is arranged on a discharge port of the feeder and used for detecting an actual discharge temperature value of the feeder;

control system, with steam control valve with the detecting element electricity is connected, control system is used for receiving detecting element feedback the actual ejection of compact temperature value to and adjust according to predetermineeing ejection of compact temperature value steam control valve's aperture to change the steam input volume, make actual ejection of compact temperature value equals predetermine ejection of compact temperature value.

2. The tapping temperature regulating device of claim 1, wherein the steam regulating valve has an adjustment accuracy of 0.5-5%.

3. The discharge temperature adjusting device according to claim 1, wherein the detecting unit comprises a probe, the probe is arranged inside the discharge port of the charging machine and electrically connected with the control system, and the probe is used for detecting the actual discharge temperature value of the charging machine and feeding the actual discharge temperature value back to the control system.

4. The tapping temperature regulating device of claim 1, wherein said control system comprises:

the storage unit is used for storing at least one data set, and the data set comprises the preset discharging temperature value and the opening value of the steam regulating valve;

the interaction unit is used for receiving preset parameters selected by a user and displaying the current actual discharging temperature value;

and the processing unit is electrically connected with the interaction unit, the storage unit and the detection unit and is used for generating a corresponding working instruction according to the preset parameters selected by the user.

5. The tapping temperature regulating device of claim 4, wherein said processing unit comprises a PID regulator electrically connected to said steam regulating valve for regulating the opening of said steam regulating valve according to said preset parameter selected by a user.

6. The tapping temperature regulating device of claim 5, wherein the parameters of the PID regulator comprise: p value is 8-10, I value is 1-3, D value is 0.5-1.

7. The tapping temperature regulating device of claim 4 or 5, wherein said preset parameters comprise said preset tapping temperature value and a preset opening value of said steam regulating valve;

when the preset parameter is the preset discharging temperature value, the working instruction is to call the corresponding opening value in the storage unit according to the preset discharging temperature value and adjust the opening of the steam regulating valve according to the opening value;

when the preset parameter is the preset opening value, the working instruction is to adjust the opening of the steam regulating valve according to the preset opening value, and after the detection unit detects the actual discharging temperature value obtained under the action of the preset opening value, the preset discharging temperature value equal to the actual discharging temperature value and the opening value equal to the preset opening value are stored in a storage unit to form a data set.

8. The discharge temperature adjusting device of claim 7, wherein the steam delivery pipe comprises a first delivery pipe and a second delivery pipe connected with the feeding machine, the first delivery pipe is connected with the feeding machine at a position close to one side of the feeding machine where the discharge port is located, the second delivery pipe is connected with the feeding machine at a position close to one side of the feeding port of the feeding machine, and the steam adjusting valve comprises: the first regulating valve is arranged on the first conveying pipeline, and the second regulating valve is arranged on the second conveying pipeline.

9. The tapping temperature regulating device of claim 8, wherein said storage unit has two said data sets stored therein, corresponding to said first regulating valve and said second regulating valve, respectively, said control system being capable of outputting different said opening values to said first regulating valve and said second regulating valve.

10. A discharge temperature adjusting method for controlling the discharge temperature adjusting apparatus according to any one of claims 4, 7, and 9, characterized by comprising the steps of:

receiving the preset discharging temperature value input by a user;

calling the opening value in the corresponding data group in the storage unit according to the preset discharging temperature value input by a user;

and outputting the opening value to a steam regulating valve, and regulating the opening of the steam regulating valve according to the opening value.

11. The discharge temperature adjustment method of claim 10, wherein the data set is constructed by a method comprising:

receiving a preset opening value input by a user;

outputting the preset opening value to the steam regulating valve, and regulating the opening of the steam regulating valve according to the preset opening value;

the detection unit detects the actual discharging temperature value obtained under the action of the preset opening value and feeds the actual discharging temperature value back to the control system;

the control system stores the preset discharging temperature value which is equal to the actual discharging temperature value and the opening value which is equal to the preset opening value into the storage unit to form the data set.

12. A charging machine comprising a tapping temperature regulating device according to any one of claims 1-9.

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