A high-efficiency correction system and method for paper machine

Abstract

The present invention discloses an efficient correction system and method for a paper machine, and relates to the technical field of paper machine correction. A data acquisition module collects operating parameters and technical parameters of the paper machine. A data processing module receives the operating parameters and technical parameters, and processes the operating parameters and technical parameters respectively to obtain an operating index and a technical index. A fault index is calculated based on the operating index and the technical index. The data processing module sets a fault threshold. When the fault index is greater than or equal to the fault threshold, the data processing module generates a correction fault signal. After receiving the correction fault signal, the fault delay module controls the fault delay to stop rotation and generates a reset signal. After receiving the reset signal, the intelligent control module controls the paper machine to reset. The dry net detection module detects dry net deviation. When dry net deviation occurs, the dry net detection module generates a dry net deviation signal. After receiving the dry net deviation signal, the intelligent control module controls the paper machine to stop rotation. Thus, the production and operation efficiency of the paper machine is improved.

Description

Technical Field

[0001] The present invention belongs to the field of mechanical applications and relates to a paper machine correction technology, in particular to a high-efficiency correction system and method for a paper machine. Background Art

[0002] In recent years, with the rapid development of the papermaking industry and the continuous increase in production, the operating speed of paper machines has also been continuously increasing. If the correction motor of a paper machine reports an MCC fault during operation, the transmission will be directly chained to a stop. However, once the correction motor reports an MCC fault, it will directly cause a shutdown, affecting the operating efficiency of the paper machine.

[0003] To this end, an efficient correction system and method for a paper machine are proposed. Summary of the Invention

[0004] The present invention aims to address at least one of the technical problems existing in the prior art. To this end, the present invention provides a highly efficient calibration system and method for a paper machine. This system and method address the issue of a calibration motor announcing an MCC failure, which directly leads to machine downtime and affects the efficiency of the paper machine.

[0005] To achieve the above-mentioned object, an embodiment of a first aspect of the present invention provides an efficient correction system for a paper machine, comprising a data acquisition module, a data processing module, a fault delay module, a dryer fabric detection module, and an intelligent control module;

[0006] The data acquisition module is used to collect operating parameters and technical parameters of the paper machine; wherein the operating parameters include voltage values, current values ​​and pressure values, and the technical parameters include displacement values ​​and speed values;

[0007] And send the operating parameters and technical parameters to the data processing module

[0008] The data processing module is used to receive the operating parameters and the technical parameters, and process the operating parameters and the technical parameters respectively to obtain an operating index and a technical index;

[0009] and calculating and obtaining a fault index based on the operation index and the technical index;

[0010] The data processing module sets a fault threshold, and when the fault index is greater than or equal to the fault threshold, the data processing module generates a correction fault signal and sends the correction fault signal to the fault delay module;

[0011] The fault delay module is used to control the fault delay stop rotation after receiving the correction fault signal;

[0012] It is also used to generate a reset signal and send the reset signal to the intelligent control module;

[0013] The dryer web detection module is used to detect dryer web deviation. When dryer web deviation occurs, the dryer web detection module generates a dryer web deviation signal and sends the dryer web deviation signal to the intelligent control module;

[0014] The intelligent control module is used to control the paper machine to reset after receiving the reset signal;

[0015] It is also used to control the paper machine to stop rotating after receiving the dryer fabric deviation signal.

[0016] Preferably, the data acquisition module acquires the operating parameters and the technical parameters in a periodic acquisition manner;

[0017] The collection period of the operating parameters and the technical parameters is the same;

[0018] The collection period of the operating parameters and the technical parameters is marked as T, with a unit of s; wherein T is an integer greater than 0.

[0019] Preferably, the data processing module obtains the operation index according to the operation parameters, comprising the following steps:

[0020] The data processing module marks the voltage value, the current value, and the pressure value as Un, In, and Pn, respectively, based on the operating parameters; wherein n is the number of the acquisition cycle, and the value of n is 1, 2, 3, ..., N, and N is the total number of acquisitions by the data acquisition module;

[0021] The data processing module calculates and obtains an operation index according to the operation parameters, and marks the operation index as YXn;

[0022] The calculation formula of the operation index is:

[0023]

[0024] Wherein, α, β, and γ are correction coefficients of Un, In, and Pn, respectively; and α, β, and γ are all real numbers greater than 0.

[0025] Preferably, the data processing module obtains the technical index according to the technical parameters, comprising the following steps:

[0026] The data processing module receives the technical parameters and marks the displacement value and the velocity value as Sn and Vn respectively;

[0027] The data processing module calculates and obtains a technical index based on the technical parameters, and marks the technical index as JSn;

[0028] The calculation formula of the technical index is:

[0029] JS n =ln(δS n +εV n )

[0030] Wherein, δ and ε are correction coefficients of Sn and Vn respectively, and both δ and ε are real numbers greater than 0.

[0031] Preferably, the fault index is marked as GZn;

[0032] The calculation formula of the fault index is:

[0033] GZn=a×YXn+b×JSn

[0034] Among them, a and b are the weight coefficients of the operation index and technical index respectively, a+b=1, and both a and b are real numbers greater than 0.

[0035] Preferably, the delay time is set to 600 seconds.

[0036] Preferably, the dryer fabric detection module uses ultrasonic data detection to determine whether the dryer fabric is deviating.

[0037] Preferably, the data acquisition module is in communication and / or electrically connected with the data processing module;

[0038] The data processing module is in communication and / or electrically connected with the fault delay module;

[0039] The fault delay module is in communication and / or electrically connected with the intelligent control module;

[0040] The main network detection module is in communication and / or electrically connected with the intelligent control module.

[0041] A correction method for an efficient correction system of a paper machine comprises the following steps:

[0042] The data acquisition module collects the operating parameters and technical parameters of the paper machine; and sends the operating parameters and technical parameters to the data processing module

[0043] The data processing module receives the operating parameters and the technical parameters, and processes the operating parameters and the technical parameters to obtain an operating index and a technical index respectively; and calculates a fault index according to the operating index and the technical index;

[0044] The data processing module sets a fault threshold, and when the fault index is greater than or equal to the fault threshold, the data processing module generates a correction fault signal and sends the correction fault signal to the fault delay module;

[0045] After receiving the correction fault signal, the fault delay module controls the fault delay to stop the rotation; and generates a reset signal, and sends the reset signal to the intelligent control module;

[0046] After receiving the reset signal, the intelligent control module controls the paper machine to reset;

[0047] The dryer web detection module detects dryer web deviation. When dryer web deviation occurs, the dryer web detection module generates a dryer web deviation signal and sends the dryer web deviation signal to the intelligent control module.

[0048] After receiving the dryer fabric deviation signal, the intelligent control module controls the paper machine to stop rotating.

[0049] Compared with the prior art, the present invention has the following beneficial effects:

[0050] The present invention collects the operating parameters and technical parameters of the paper machine through the data acquisition module; and sends the operating parameters and technical parameters to the data processing module; the data processing module receives the operating parameters and technical parameters, and processes the operating parameters and technical parameters respectively to obtain the operating index and technical index; and calculates the fault index based on the operating index and technical index; the data processing module sets the fault threshold, and when the fault index is greater than or equal to the fault threshold, the data processing module generates a correction fault signal, and sends the correction fault signal to the fault delay module; after the fault delay module receives the correction fault signal, it controls the fault delay to stop rotating; and generates a reset signal, and sends the reset signal to the intelligent control module; after the intelligent control module receives the reset signal, it controls the paper machine to reset; the dry network detection module detects the dry network deviation, and when the dry network deviation occurs, the dry network detection module generates a dry network deviation signal, and sends the dry network deviation signal to the intelligent control module; after the intelligent control module receives the dry network deviation signal, it controls the paper machine to stop rotating; it realizes the rapid reset of the correction fault and improves the production and operation efficiency of the paper machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] Figure 1 It is a schematic diagram of the present invention;

[0052] Figure 2 Flowchart of the present invention. DETAILED DESCRIPTION

[0053] The following is a clear and complete description of the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0054] like Figure 1As shown, an efficient correction system for a paper machine includes a data acquisition module, a data processing module, a fault delay module, a dryer network detection module, and an intelligent control module; each module exchanges information based on digital signals;

[0055] The data acquisition module is used to collect operating parameters and technical parameters of the paper machine; wherein the operating parameters include voltage values, current values ​​and pressure values, and the technical parameters include displacement values ​​and speed values;

[0056] and sending the operating parameters and technical parameters to the data processing module;

[0057] In this embodiment, the data acquisition module acquires the operating parameters and the technical parameters in a periodic acquisition manner;

[0058] The collection period of the operating parameters and the technical parameters is the same;

[0059] The collection period of the operating parameters and the technical parameters is marked as T, with the unit being s; wherein T is an integer greater than 0;

[0060] Specifically, the operating parameters and the technical parameters are parameters collected during the operation of the paper machine;

[0061] The data processing module is used to receive the operating parameters and the technical parameters, and process the operating parameters and the technical parameters respectively to obtain an operating index and a technical index;

[0062] and calculating and obtaining a fault index based on the operation index and the technical index;

[0063] The data processing module sets a fault threshold value. When the fault index is less than the fault threshold value, the paper machine is operating normally and no adjustment is required.

[0064] When the fault index is greater than or equal to the fault threshold, that is, the paper machine is operating abnormally, the data processing module generates a correction fault signal and sends the correction fault signal to the fault delay module;

[0065] After receiving the correction fault signal, the fault delay module controls the fault delay to stop the rotation; and generates a reset signal and sends the reset signal to the intelligent control module;

[0066] After receiving the reset signal, the intelligent control module controls the paper machine to reset;

[0067] The fault delay module is used to control the fault delay stop rotation after receiving the correction fault signal;

[0068] It is also used to generate a reset signal and send the reset signal to the intelligent control module;

[0069] In this embodiment, the delay time is set to 600 seconds.

[0070] In this embodiment, the data processing module obtains the operation index according to the operation parameters, including the following steps:

[0071] The data processing module marks the voltage value, the current value, and the pressure value as Un, In, and Pn, respectively, based on the operating parameters; wherein n is the number of the acquisition cycle, and the value of n is 1, 2, 3, ..., N, and N is the total number of acquisitions by the data acquisition module;

[0072] The data processing module calculates and obtains an operation index according to the operation parameters, and marks the operation index as YXn;

[0073] The calculation formula of the operation index is:

[0074]

[0075] Wherein, α, β, and γ are correction coefficients of Un, In, and Pn, respectively; and α, β, and γ are all real numbers greater than 0;

[0076] In this embodiment, the data processing module obtains the technical index according to the technical parameters, including the following steps:

[0077] The data processing module receives the technical parameters and marks the displacement value and the velocity value as Sn and Vn respectively;

[0078] The data processing module calculates and obtains a technical index based on the technical parameters, and marks the technical index as JSn;

[0079] The calculation formula of the technical index is:

[0080] JS n =ln(δS n +εV n )

[0081] Wherein, δ and ε are the correction coefficients of Sn and Vn respectively, and both δ and ε are real numbers greater than 0;

[0082] In this embodiment, the fault index is marked as GZn;

[0083] The calculation formula of the fault index is:

[0084] GZn=a×YXn+b×JSn

[0085] Among them, a and b are the weight coefficients of the operation index and technical index respectively, a+b=1, and both a and b are real numbers greater than 0.

[0086] The dryer web detection module is used to detect dryer web deviation. When dryer web deviation occurs, the dryer web detection module generates a dryer web deviation signal and sends the dryer web deviation signal to the intelligent control module;

[0087] Specifically, the dryer fabric detection module detects dryer fabric deviation by ultrasonic data detection.

[0088] The intelligent control module is used to control the paper machine to reset after receiving the reset signal;

[0089] It is also used to control the paper machine to stop rotating after receiving the dryer fabric deviation signal.

[0090] In this embodiment, the data acquisition module is in communication and / or electrically connected with the data processing module;

[0091] The data processing module is in communication and / or electrically connected with the fault delay module;

[0092] The fault delay module is in communication and / or electrically connected with the intelligent control module;

[0093] The main network detection module is in communication and / or electrically connected with the intelligent control module.

[0094] The above formulas are all calculated by removing dimensions and taking their numerical values. The formula is a formula that is closest to the actual situation obtained by collecting a large amount of data and performing software simulation. The preset parameters and preset thresholds in the formula are set by technicians in this field according to actual conditions or obtained by simulating a large amount of data.

[0095] like Figure 2 As shown, an efficient correction method for a paper machine includes the following steps:

[0096] Step 1: Collect the operating parameters and technical parameters of the paper machine;

[0097] Step 2: receiving the operating parameters and the technical parameters, and processing the operating parameters and the technical parameters respectively to obtain an operating index and a technical index; and calculating a fault index based on the operating index and the technical index;

[0098] Step 3: Setting a fault threshold, when the fault index is greater than or equal to the fault threshold, the data processing module generates a correction fault signal;

[0099] Step 4: After receiving the correction fault signal, controlling the fault delay to stop the rotation; and generating a reset signal;

[0100] Step 5: After receiving the reset signal, controlling the paper machine to reset;

[0101] In this embodiment, the following steps are also included:

[0102] Detect dryer fabric deviation and generate dryer fabric deviation signal when dryer fabric deviation occurs;

[0103] After receiving the dryer fabric deviation signal, the paper machine is controlled to stop rotating.

[0104] The above embodiments are only used to illustrate the technical method of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. An efficient correction system for a paper machine, characterized in that: It includes data acquisition module, data processing module, fault delay module, dry network detection module and intelligent control module; The data acquisition module is used to collect operating parameters and technical parameters of the paper machine; wherein the operating parameters include voltage values, current values ​​and pressure values, and the technical parameters include displacement values ​​and speed values; And send the operating parameters and technical parameters to the data processing module The data processing module is used to receive the operating parameters and the technical parameters, and process the operating parameters and the technical parameters respectively to obtain an operating index and a technical index; and calculating and obtaining a fault index based on the operation index and the technical index; The data processing module sets a fault threshold, and when the fault index is greater than or equal to the fault threshold, the data processing module generates a correction fault signal and sends the correction fault signal to the fault delay module; The fault delay module is used to control the fault delay stop rotation after receiving the correction fault signal; It is also used to generate a reset signal and send the reset signal to the intelligent control module; The dryer web detection module is used to detect dryer web deviation. When dryer web deviation occurs, the dryer web detection module generates a dryer web deviation signal and sends the dryer web deviation signal to the intelligent control module; The intelligent control module is used to control the paper machine to reset after receiving the reset signal; It is also used to control the paper machine to stop rotating after receiving the dryer fabric deviation signal; The data acquisition module acquires the operating parameters and the technical parameters in a periodic acquisition manner; The collection period of the operating parameters and the technical parameters is the same; The collection period of the operating parameters and the technical parameters is marked as T, with the unit being s; wherein T is an integer greater than 0; The data processing module obtains the operation index according to the operation parameters, including the following steps: The data processing module marks the voltage value, the current value, and the pressure value as Un, In, and Pn, respectively, based on the operating parameters; wherein n is the number of the acquisition cycle, and the value of n is 1, 2, 3, ..., N, and N is the total number of acquisitions by the data acquisition module; The data processing module calculates and obtains an operation index according to the operation parameters, and marks the operation index as YXn; The calculation formula of the operation index is: ， in, 、 as well as are the correction factors for Un, In and Pn respectively; and 、 as well as are all real numbers greater than 0.

2. The efficient correction system for a paper machine according to claim 1, characterized in that: The data processing module obtains the technical index according to the technical parameters, including the following steps: The data processing module receives the technical parameters and marks the displacement value and the velocity value as Sn and Vn respectively; The data processing module calculates and obtains a technical index based on the technical parameters, and marks the technical index as JSn; The calculation formula of the technical index is: ， in, and are the correction coefficients for Sn and Vn, respectively, and and are all real numbers greater than 0.

3. The efficient correction system for a paper machine according to claim 2, characterized in that: The fault index is marked as GZn; The calculation formula of the fault index is: GZn=a×YXn+b×JSn, Among them, a and b are the weight coefficients of the operating index and technical index respectively, a+b=1, and both a and b are real numbers greater than 0.

4. The efficient correction system for a paper machine according to claim 1, characterized in that: Set the delay time to 600 seconds.

5. The efficient correction system for a paper machine according to claim 1, characterized in that: The dryer fabric detection module uses ultrasonic data detection to determine dryer fabric deviation.

6. The efficient correction system for a paper machine according to claim 1, characterized in that: The data acquisition module is in communication and / or electrically connected with the data processing module; The data processing module is in communication and / or electrically connected with the fault delay module; The fault delay module is in communication and / or electrically connected with the intelligent control module; The main network detection module is in communication and / or electrically connected with the intelligent control module.

7. A correction method for a high-efficiency correction system for a paper machine according to any one of claims 1 to 6, characterized in that: The following steps are involved: The data acquisition module collects the operating parameters and technical parameters of the paper machine; and sends the operating parameters and technical parameters to the data processing module The data processing module receives the operating parameters and the technical parameters, and processes the operating parameters and the technical parameters respectively to obtain an operating index and a technical index; and calculating and obtaining a fault index based on the operation index and the technical index; The data processing module sets a fault threshold, and when the fault index is greater than or equal to the fault threshold, the data processing module generates a correction fault signal and sends the correction fault signal to the fault delay module; After receiving the correction fault signal, the fault delay module controls the fault delay to stop the rotation; and generates a reset signal, and sends the reset signal to the intelligent control module; After receiving the reset signal, the intelligent control module controls the paper machine to reset; The dryer web detection module detects dryer web deviation. When dryer web deviation occurs, the dryer web detection module generates a dryer web deviation signal and sends the dryer web deviation signal to the intelligent control module. After receiving the dryer fabric deviation signal, the intelligent control module controls the paper machine to stop rotating.

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