High-temperature-resistant pump operation monitoring system applied to heat medium oil conveying process

Abstract

The invention discloses a high-temperature-resistant pump operation monitoring system applied to a heat medium oil conveying process, and relates to the technical field of temperature monitoring. Comprising an integration module which is provided with a first monitoring module and a second monitoring module, obtains real-time temperature data of a target high-temperature-resistant pump based on the first monitoring module, obtains a temperature data item, obtains environment temperature and environment humidity data at the same time, and obtains an environment temperature item and an environment humidity item. The environment temperature and environment humidity data are acquired, the environment compensation parameter formula is created, meanwhile, the model information and the use information of the first temperature monitoring equipment for monitoring the high-temperature-resistant pump are acquired, the equipment aging parameter formula is created, and aging compensation is carried out on the first temperature monitoring equipment; and a composite temperature compensation formula is created according to a comprehensive result of a plurality of compensation contents, and multi-dimensional and dynamic correction compensation is performed on the temperature data items, so that a more accurate temperature monitoring effect in the operation process of the high-temperature-resistant pump is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of temperature monitoring, and specifically to a high-temperature resistant pump operation monitoring system applied to the process of heat medium oil transportation. Background Art

[0002] When transporting hot kerosene, materials with high temperature resistance and corrosion resistance, such as stainless steel or carbon steel pipes, are usually used to ensure safe operation at high temperatures. And it is necessary to select a suitable hot oil pump according to the flow rate and pressure requirements to ensure the effective circulation of the system. At the same time, during the operation of the hot oil pump, it is necessary to continuously monitor the operation stability of the pump to prevent accidents.

[0003] The operation monitoring and fault diagnosis system and management method for petrochemical pump groups based on self-organizing network with the patent publication number of CN114776602A can intermittently monitor the temperature, mechanical seal tightness, vibration state, single transport flow rate and total flow rate of each petrochemical pump in the pump group through the set temperature monitoring device, pump body mechanical seal monitoring device, operation vibration monitoring device and flow monitoring device, and transmit the collected data to the processing device CPU. Then the processing device CPU can compare the collected parameter data with the stored standard value range. When the parameter data is normal, the data is stored for subsequent review. When the collected parameter data exceeds the standard value range, the CPU can analyze according to the parameters in time, automatically diagnose the cause of the fault, and transmit the analysis result to the communication terminal carried by the operator through self-organizing network wirelessly. When receiving the information, the operator can directly go to the faulty petrochemical pump for maintenance according to the analysis result; the design of the whole device has a high degree of intelligence, eliminating the need for operators to conduct regular inspections, and directly performing targeted maintenance based on the received fault diagnosis results, reducing the labor intensity of operators and effectively ensuring the normal and stable operation of petrochemical pump groups.

[0004] When using the above and similar technical solutions, since it is necessary to monitor the operation state of the high-temperature resistant pump in real time, and the most important of which is the temperature factor. However, when monitoring the temperature of the pump, due to the influence of the ambient temperature and the aging state of the monitoring equipment itself, the monitoring results will drift. Especially when transporting hot kerosene, even in the low-temperature state, its temperature is above 80°C. If it is in the high-temperature state, the temperature can even reach 200 - 300°C, which will also exacerbate the aging of the monitoring equipment, and further exacerbate the drift amount of the temperature monitoring results. Summary of the Invention

[0005] The purpose of the present invention is to provide a high-temperature resistant pump operation monitoring system applied to the process of heat medium oil transportation to solve the problems raised in the above background art.

[0006] To achieve the above object, the present invention provides the following technical solutions: A high-temperature resistant pump operation monitoring system applied to the process of heat medium oil transportation, comprising:

[0007] Integration module: Set a first monitoring module and a second monitoring module. Based on the first monitoring module, obtain the real-time temperature data of the target high-temperature resistant pump to obtain temperature data items, and at the same time obtain the ambient temperature and ambient humidity data to obtain ambient temperature items and ambient humidity items;

[0008] Acquisition module: Based on the second monitoring module, obtain the flow rate information and type information of the hot kerosene in the target high-temperature resistant pump to obtain fluid information items;

[0009] Analysis module: Based on the ambient temperature items and ambient humidity items, create an ambient compensation parameter formula to compensate the ambient temperature and ambient humidity data to obtain ambient compensation items. Based on the first monitoring module, obtain the basic information of the first temperature monitoring device to obtain target information items. The target information items are used to represent the model information and usage information of the first temperature monitoring device. Based on the target information items, create an equipment aging parameter formula to perform aging compensation on the first temperature monitoring device to obtain aging compensation items. Based on the fluid information items, create a fluid compensation parameter formula to perform material compensation on the hot kerosene to obtain fluid compensation items;

[0010] Processing module: Synthesize the ambient compensation items, aging compensation items and fluid compensation items, create a composite temperature compensation formula, and perform multi-dimensional and dynamic correction compensation on the temperature data items to ensure more accurate temperature monitoring during the operation of the high-temperature resistant pump.

[0011] Furthermore, the first monitoring module includes a first temperature monitoring device, a second temperature monitoring device, and a humidity monitoring device. The second monitoring module includes a fluid analysis device. The fluid analysis device includes a speed analysis device and an attribute analysis device. The method for obtaining the fluid type items includes:

[0012] Obtain the profile image information of the hot kerosene transportation pipeline to obtain target image items;

[0013] Set an arrangement threshold, the arrangement threshold is a fixed distance value, and based on the combination result of the target image items and the arrangement threshold, obtain the arrangement quantity;

[0014] Obtain the interface position of the hot kerosene transportation pipeline to obtain target position items. Based on the target position items, arrange the speed analysis device and the attribute analysis device based on the arrangement quantity, and obtain the speed information and attribute information of the hot kerosene to obtain fluid type items.

[0015] Furthermore, basic data is stored on the first temperature monitoring device. The basic information of the first temperature monitoring device includes model information and usage duration. The method for obtaining the target information items includes:

[0016] Based on the first monitoring module, obtain the model information of the first temperature monitoring device to get the target model item;

[0017] Based on the basic data, obtain the usage duration of the first temperature monitoring device to get the target duration item, and combine the target model item and the target duration item to obtain the target information item.

[0018] Furthermore, the method for obtaining the environmental compensation item includes:

[0019] Create an environmental compensation parameter formula:

[0020] ;

[0021] Where is the environmental temperature item, is the reference temperature, is the environmental humidity item.

[0022] Furthermore, the method for obtaining the aging compensation item includes:

[0023] Create an equipment aging parameter formula:

[0024] ;

[0025] Where is the aging compensation item, is the target duration item, is the calibration temperature difference;

[0026] The method for obtaining the calibration temperature difference includes: Based on the target model item, obtain a new pump identical to the target model item as the comparison item, obtain the temperature difference data between the target model item and the comparison item, and get the calibration temperature difference matching the target model item.

[0027] Furthermore, the method for obtaining the fluid compensation item includes:

[0028] Create a fluid compensation parameter formula:

[0029] ;

[0030] Where is the physical property correction factor, is the target hot kerosene flow rate, is the material thermal conductivity, is the target hot kerosene density, is the target hot kerosene specific heat capacity.

[0031] Furthermore, the composite temperature compensation formula includes:

[0032] ;

[0033] wherein is the temperature data item, is the aging compensation item, is the target duration item, is the time decay constant, is the environmental compensation item, is the historical weight coefficient, is the temperature deviation, is the fluid compensation item.

[0034] Furthermore, the method for obtaining the historical weight coefficient includes:

[0035] Create a formula for obtaining the historical weight coefficient:

[0036] ;

[0037] wherein is the total number of historical data points, is the temperature data item, is the temperature mean value, is the temperature standard deviation.

[0038] Furthermore, the method for obtaining the temperature standard deviation includes:

[0039] Create a formula for obtaining the temperature standard deviation:

[0040] ;

[0041] wherein is the total number of historical data points, is a single temperature data point, is the data mean value.

[0042] Compared with the prior art, the beneficial effects of the present invention are:

[0043] The high-temperature resistant pump operation monitoring system applied to the heat transfer oil transportation process obtains environmental temperature and environmental humidity data, creates an environmental compensation parameter formula to compensate the environmental temperature and environmental humidity data. At the same time, it obtains the model information and usage information of the first temperature monitoring device for monitoring the high-temperature resistant pump. Based on the target information item, it creates an equipment aging parameter formula for the target information item to perform aging compensation on the first temperature monitoring device. According to the comprehensive result of multiple compensation contents, it creates a composite temperature compensation formula to perform multi-dimensional and dynamic correction compensation on the temperature data item, ensuring a more accurate temperature monitoring effect during the operation of the high-temperature resistant pump.

[0044] Meanwhile, the flow rate information and type information of the hot kerosene in the target high-temperature resistant pump are obtained through the second monitoring module installed inside the pipeline to obtain the fluid information items. Based on the attribute information of the hot kerosene in the high-temperature resistant pump, a fluid compensation parameter formula is created and incorporated into the composite temperature compensation formula. Since different fluid states are the key variables affecting the heat dissipation efficiency, after incorporating the fluid compensation parameters, the actual temperature monitoring data during the operation of the high-temperature resistant pump is linked to the state of the fluid, thereby forming a more accurate temperature monitoring effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a schematic diagram of the overall process of the present invention;

[0046] Figure 2 It is a schematic diagram for obtaining the temperature data item, ambient temperature item and ambient humidity item of the present invention;

[0047] Figure 3 It is a schematic diagram of the process for obtaining the fluid information item of the present invention;

[0048] Figure 4 It is a schematic diagram of the arrangement threshold and the fluid analysis device of the present invention;

[0049] Figure 5 It is a schematic diagram of the composition of the analysis module of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0050] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0051] Due to interference from factors such as environmental temperature and aging of monitoring equipment, the temperature monitoring results often show drift. Especially when transporting high-temperature media such as hot kerosene, this drift phenomenon is more significant. The industrial production environment is usually relatively complex, with drastic temperature fluctuations. Especially in high-temperature seasons or areas close to heat sources, the environmental temperature may be significantly higher than the temperature of the pump itself, resulting in a higher sensor reading. This interference from environmental temperature may have a smaller impact in low-temperature environments, but in the operating environment of high-temperature pumps, due to their already high temperature, even a small change in environmental temperature can have a greater impact on the monitoring results, thereby leading to drift. The aging state of the monitoring equipment itself is also an important reason for the drift of temperature monitoring results. Components such as sensors, cables, and terminal blocks, when operating in a long-term high-temperature environment, will undergo changes in their physical and chemical properties, resulting in performance degradation. For example, the resistance value of the sensor element may drift, the insulation performance of the cable may decrease, and the contact resistance of the terminal block may increase. These changes will affect the accurate transmission and processing of temperature signals, thereby leading to drift in the monitoring results. The technical solution provided by this application obtains environmental temperature and environmental humidity data, creates an environmental compensation parameter formula to compensate for the environmental temperature and environmental humidity data. At the same time, it obtains the model information and usage information of the first temperature monitoring equipment for monitoring high-temperature-resistant pumps, creates an equipment aging parameter formula based on the target information item to compensate for the aging of the first temperature monitoring equipment, and creates a fluid compensation parameter formula based on the attribute information of the hot kerosene in the high-temperature-resistant pump to compensate for the material of the hot kerosene. According to the comprehensive results of multiple compensation contents, a composite temperature compensation formula is created to perform multi-dimensional and dynamic correction compensation on the temperature data item, ensuring a more accurate temperature monitoring effect during the operation of the high-temperature-resistant pump. As Figure 1 shown, it includes an integration module, an acquisition module, an analysis module, and a processing module.

[0052] As Figure 2 shown, the integration module: sets the first monitoring module and the second monitoring module, and obtains the real-time temperature data of the target high-temperature-resistant pump based on the first monitoring module to obtain the temperature data item.

[0053] It should be noted that the first monitoring module includes a first temperature monitoring device, a second temperature monitoring device, and a humidity monitoring device. Among them, both the first temperature monitoring device and the second temperature monitoring device are high-temperature-resistant temperature sensors, and the humidity monitoring device is a humidity sensor.

[0054] At the same time, it obtains the environmental temperature and environmental humidity data to obtain the environmental temperature item and the environmental humidity item.

[0055] It should be noted that the ambient temperature data of the target high-temperature resistant pump is obtained through the second high-temperature resistant temperature sensor, and the ambient humidity data of the target high-temperature resistant pump is obtained through the humidity sensor, so as to obtain the ambient temperature item and the ambient humidity item.

[0056] As Figure 3 shown, the acquisition module: based on the second monitoring module, the flow rate information and type information of the hot kerosene in the target high-temperature resistant pump are obtained to obtain the fluid information item.

[0057] It should be noted that the second monitoring module includes a fluid analysis device, and the fluid analysis device includes a velocity analysis device and an attribute analysis device. The real-time temperature data on the surface of the high-temperature resistant pump can be obtained through the high-temperature resistant temperature sensor. The fluid analysis device includes a velocity analysis device and an attribute analysis device, where the velocity analysis device is a turbine flowmeter, and the attribute analysis device includes a densitometer. The acquisition method of the fluid type item includes: obtaining the profile image information of the hot kerosene pipeline to obtain the target image item; setting the layout threshold, and the set layout threshold is 10 cm. The layout threshold is a fixed distance value. Based on the combined result of the target image item and the layout threshold, the layout quantity is obtained; obtaining the interface position of the hot kerosene pipeline to obtain the target position item. Based on the target position item, the velocity analysis device and the attribute analysis device are arranged based on the layout quantity, and the velocity information and attribute information of the hot kerosene are obtained to obtain the fluid type item.

[0058] Embodiment 1

[0059] In the specific implementation process, as Figure 4 shown, the profile image of the target hot kerosene pipeline is obtained, its diameter is 12.74 cm, and its side length is about 40 cm at this time. According to the set layout threshold, the layout quantity is obtained as four, which are respectively arranged at the upper, lower, left, and right middle positions of the pipeline. Further, the interface position of the pipeline is obtained to obtain the target position item. At this time, according to the layout quantity, the fluid analysis device composed of a turbine flowmeter and a densitometer is fixedly installed respectively, and there are a total of four fluid analysis devices.

[0060] As Figure 5 shown, the analysis module: based on the ambient temperature item and the ambient humidity item, an environmental compensation parameter formula is created to compensate the ambient temperature and ambient humidity data to obtain the environmental compensation item.

[0061] It should be noted that the acquisition method of the environmental compensation item includes:

[0062] Create an environmental compensation parameter formula:

[0063] ;

[0064] Where is the ambient temperature term, is the reference temperature, which is 25 °C, is the ambient humidity term.

[0065] Based on the first monitoring module to obtain the basic information of the first temperature monitoring device, the target information item is obtained, and the target information item is used to represent the model information and usage information of the first temperature monitoring device.

[0066] It should be noted that the first temperature monitoring device stores basic data. The basic information of the first temperature monitoring device includes model information and usage duration. The acquisition method of the target information item includes: based on the first monitoring module, obtaining the model information of the first temperature monitoring device to get the target model item; based on the basic data, obtaining the usage duration of the first temperature monitoring device to get the target duration item, and combining the target model item and the target duration item to get the target information item.

[0067] Such as Figure 5 shown, based on the target information item, create a device aging parameter formula to perform aging compensation on the first temperature monitoring device to obtain the aging compensation item.

[0068] It should be noted that the acquisition method of the aging compensation item includes:

[0069] Create a device aging parameter formula:

[0070] ;

[0071] Where is the aging compensation item, is the target duration item, is the calibration temperature difference;

[0072] The acquisition method of the calibration temperature difference includes: based on the target model item, obtaining a new pump identical to the target model item as the comparison item, obtaining the temperature difference data between the target model item and the comparison item to get the calibration temperature difference matching the target model item.

[0073] Such as Figure 5 shown, based on the fluid information item, create a fluid compensation parameter formula to perform material compensation on the hot kerosene to obtain the fluid compensation item.

[0074] It should be noted that the acquisition method of the fluid compensation item includes:

[0075] Create a fluid compensation parameter formula:

[0076] ;

[0077] Where is the physical property correction factor, is the target hot kerosene flow rate, is the thermal conductivity of the material, is the density of the target hot kerosene, is the specific heat capacity of the target hot kerosene.

[0078] Example 2

[0079] In the specific implementation process, the information of the hot medium oil transmission pipeline of a certain petrochemical plant is now obtained. The real-time temperature data of the target high-temperature resistant pump obtained through the first monitoring module is 285°C, and the temperature data item is obtained. At the same time, the ambient temperature and ambient humidity data are obtained as 42°C and 65% respectively, and the ambient temperature item and ambient humidity item are obtained. At this time, according to the environmental compensation parameter formula:

[0080] ;

[0081] It is calculated that: ;

[0082] The result is 0.6435;

[0083] At the same time, based on the first temperature monitoring device, the model information of the first temperature monitoring device is obtained, and the target model item is A. The usage duration of device A is obtained as 8000h, and the target duration item is obtained. At the same time, device A with a usage duration of 8000h is used as the test object, and the temperature measurement difference between it and a new pump of the same device A under the same working conditions is selected. 200°C is selected as the target temperature test point to test the two pumps participating in the test. The test needs to be carried out in a constant temperature laboratory (±1°C) or under stable on-site working conditions to avoid ambient temperature interference. The new pump A and the pump A to be tested need to run to the same thermal equilibrium state. When the oil temperature is stable within ±0.5°C fluctuation, and the same batch of sensors and installation positions need to be used to eliminate individual differences. Since the model information of the new pump A and the pump A to be tested is the same, the situation of individual differences will be avoided. A blackbody radiation source with an accuracy of ±0.2°C or a standard platinum resistance thermometer is used as the reference temperature source. The temperature result of the new pump is measured as 200.3°C, while the temperature result of device A as the test object is 203.1°C. The measurement result shows that the temperature detection result of device A as the test object has a drift, and the numerical value is 2.8°C. At this time is 2.8. According to the equipment aging parameter formula:

[0084] ;

[0085] It is calculated as: ;

[0086] The result is 0.19;

[0087] Meanwhile, analyze the equipment according to the set speed and property analysis equipment, obtain the flow rate of hot kerosene in the pipeline as 3.2 m / s, and the property information as paraffin-based oil, and obtain the fluid type item. Since the physical property correction factor is related to the oil composition, for example, 0.073 for paraffin-based oil and 0.081 for naphthenic oil, etc., the physical property correction factor of paraffin-based oil is 0.073 at this time. Analyze the material of the pump, obtain the thermal conductivity of the pump body material as 16.3 W / m·pK, and then obtain the material thermal conductivity. Since the obtained property information is paraffin-based oil, the density of the target hot kerosene is obtained as 880 kg / m³ and the specific heat capacity is 2.0 kJ / kg·pK through the property analysis equipment, i.e., the density meter. At this time, according to the fluid compensation parameter formula:

[0088] ;

[0089] The calculation process is as follows: ;

[0090] The result is: .

[0091] Processing module: Integrate the environmental compensation item, aging compensation item, and fluid compensation item to create a composite temperature compensation formula.

[0092] It should be noted that the temperature data item is corrected and compensated in multiple dimensions and dynamically according to the composite temperature compensation formula to ensure more accurate temperature monitoring during the operation of the high-temperature resistant pump. The composite temperature compensation formula includes:

[0093] ;

[0094] Among them is the temperature data item, is the aging compensation item, is the target duration item, is the time decay constant, is the environmental compensation item, is the historical weight coefficient, is the temperature deviation, is the fluid compensation item.

[0095] It should be noted that the method for obtaining the historical weight coefficient includes:

[0096] Create a formula for obtaining the historical weight coefficient:

[0097] ;

[0098] Among them is the total number of historical data points, is the temperature data item, is the temperature mean value, is the standard deviation of temperature;

[0099] It should be noted that the methods for obtaining the standard deviation of temperature include:

[0100] Create a formula for obtaining the standard deviation of temperature:

[0101] ;

[0102] where is the total number of historical data points, is a single temperature data point, is the data mean.

[0103] Example 3

[0104] In the specific implementation process, a cross-sectional image of the target hot kerosene pipeline is obtained. Its diameter is 12.74 cm, and at this time its side length is about 40 cm. According to the set layout threshold, the layout quantity is obtained as four, which are respectively arranged at the middle positions of the upper, lower, left, and right of the pipeline. Further, the interface position of the pipeline is obtained to get the target position item. At this time, according to the layout quantity, the fluid analysis equipment composed of turbine flow meters and density meters is respectively fixedly installed. There are a total of four fluid analysis devices. At the same time, the high-temperature resistant pump is monitored using the first monitoring module, and the temperature is collected every 2 minutes using a Pt1000 sensor for 30 minutes. At this time, n is 15. Among these 15 historical data points, there are 13 temperature measurement results of 280, and the other two are 291.5 and 268.5 respectively. At this time, the data mean is 280, and the calculation result of the standard deviation of temperature is approximately equal to 4.2 °C;

[0105] Then substitute it into the formula for obtaining the historical weight coefficient. According to the formula:

[0106] ;

[0107] where is the total number of historical data points, is the temperature data item, is the temperature mean, is the standard deviation of temperature. The temperature data item is obtained as 285 °C, and the temperature mean in the past 24 hours is 278 °C. At this time, the numerator term in the formula is 285 °C - 278 °C = 7 °C, and the calculation result is:

[0108] ;

[0109] When the flow rate of hot kerosene in the pipeline is 3.2 m / s and the property information is paraffin-based oil, the fluid type item is obtained. Since the physical property correction factor is related to the oil composition, for example, 0.073 is taken for paraffin-based oil and 0.081 is taken for naphthenic oil, etc. At this time, the physical property correction factor of paraffin-based oil is 0.073. Analyze the material of the pump, and obtain that the thermal conductivity of the pump body material is 16.3 W / m·pK, and then obtain the material thermal conductivity. Since the obtained property information is paraffin-based oil, the density of the target hot kerosene is obtained as 880 kg / m³ and the specific heat capacity is 2.0 kJ / kg·pK through the property analysis device, that is, the density meter. At this time, according to the fluid compensation parameter formula:

[0110] ;

[0111] The calculation result is: -0.255 °C;

[0112] At the same time, obtain the information of the hot medium oil transmission pipeline of a petrochemical plant. The real-time temperature data of the target high-temperature resistant pump is obtained as 285 °C through the first monitoring module, and the temperature data item is obtained. At the same time, the ambient temperature and ambient humidity data are obtained as 42 °C and 65% respectively, and the ambient temperature item and ambient humidity item are obtained. At this time, according to the ambient compensation parameter formula:

[0113] ;

[0114] The calculation result is 0.6435;

[0115] At the same time, based on the first temperature monitoring device, obtain the model information of the first temperature monitoring device, and obtain that the target model item is A. The usage duration of device A is obtained as 8000 h, and the target duration item is obtained. At the same time, take device A with a usage duration of 8000 h as the test object, and measure the temperature difference between it and a new pump of the same model A under the same working conditions. Select 200 °C as the target temperature test point to test the two pumps participating in the test. The test needs to be carried out in a constant temperature laboratory (±1 °C) or under stable on-site working conditions to avoid ambient temperature interference. The new pump A and the pump under test A need to run to the same thermal equilibrium state. When the oil temperature is stable within ±0.5 °C fluctuation, and the same batch of sensors and installation positions need to be used to eliminate individual differences. Since the model information of the new pump A and the pump under test A is the same, the situation of individual differences will be avoided. Use a blackbody radiation source with an accuracy of ±0.2 °C or a standard platinum resistance thermometer as the reference temperature source. The measured temperature result of the new pump is 200.3 °C, while the temperature result of device A as the test object is 203.1 °C. The measurement result shows that the temperature detection result of device A as the test object drifts, and the numerical value is 2.8 °C. At this time is 2.8. According to the equipment aging parameter formula:

[0116] ;

[0117] The calculation result is 0.19;

[0118] Finally, according to the composite temperature compensation formula:

[0119] ;

[0120] where is the temperature data item, is the aging compensation item, is the target duration item, is the time decay constant, determined by the Arrhenius accelerated aging experiment, with a value of 1350, is the environmental compensation item, is the historical weight coefficient, is the temperature deviation, is the fluid compensation item, and the calculation result at this time is:

[0121] ;

[0122] The numerator term: ;

[0123] The denominator term: ;

[0124] The final result is 261.3 °C, that is, the final conclusion is: for the high-temperature sensor of target model item A used to monitor high-temperature pumps, when the real-time temperature data monitored is 285 °C, the environmental temperature and environmental humidity data received are 42 °C and 65% respectively, and the hot kerosene in the high-temperature pump is paraffin-based oil with a flow rate of 3.2 m / s, the actual temperature data is 261.3 °C.

[0125] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended embodiments and their equivalents.

Claims

1. High temperature resistant pump operation monitoring system used in heat transfer oil transportation process, including: Integration module: setting a first monitoring module and a second monitoring module, obtaining real-time temperature data of a target high temperature resistant pump based on the first monitoring module to obtain a temperature data item, and simultaneously obtaining ambient temperature and ambient humidity data to obtain an ambient temperature item and an ambient humidity item; Acquisition module: based on the second monitoring module, acquires the flow rate information and type information of the hot kerosene in the target high temperature resistant pump to obtain the fluid information item; Analysis module: based on the ambient temperature item and the ambient humidity item, create an environmental compensation parameter formula, compensate the ambient temperature and ambient humidity data to obtain the environmental compensation item, obtain the basic information of the first temperature monitoring device based on the first monitoring module, obtain the target information item, the target information item is used to represent the model information and usage information of the first temperature monitoring device, create an equipment aging parameter formula based on the target information item, perform aging compensation on the first temperature monitoring device, and obtain the aging compensation item, create a fluid compensation parameter formula based on the fluid information item, perform material compensation on the hot kerosene, and obtain the fluid compensation item; Processing module: Comprehensive environmental compensation items, aging compensation items and fluid compensation items, create a composite temperature compensation formula, perform multi-dimensional and dynamic correction compensation on temperature data items, and ensure more accurate temperature monitoring during the operation of high-temperature resistant pumps.

2. The high temperature resistant pump operation monitoring system used in the heat medium oil transportation process according to claim 1 is characterized in that: The first monitoring module includes a first temperature monitoring device, a second temperature monitoring device, and a humidity monitoring device. The second monitoring module includes a fluid analysis device, and the fluid analysis device includes a velocity analysis device and a property analysis device. The method for obtaining the fluid type item includes: Acquire the cross-sectional image information of the hot kerosene transmission pipeline and obtain the target image item; Setting a placement threshold, where the placement threshold is a fixed distance value, and obtaining a placement quantity based on a combination result of the target image item and the placement threshold; The interface position of the hot kerosene transmission pipeline is obtained to obtain the target position item. Based on the target position item, the speed analysis equipment and the property analysis equipment are arranged based on the arrangement quantity, the speed information and the property information of the hot kerosene are obtained, and the fluid type item is obtained.

3. The high temperature resistant pump operation monitoring system used in the heat medium oil transportation process according to claim 1 is characterized in that: The first temperature monitoring device stores basic data. The basic information of the first temperature monitoring device includes model information and usage time. The method for obtaining the target information item includes: Based on the first monitoring module, obtain the model information of the first temperature monitoring device to obtain the target model item; Based on the basic data, the usage time of the first temperature monitoring device is obtained to obtain a target time item, and the target model item and the target time item are combined to obtain a target information item.

4. The high temperature resistant pump operation monitoring system used in the heat medium oil transportation process according to claim 1 is characterized in that: The method for obtaining the environmental compensation item includes: Create the environmental compensation parameter formula: ; in is the ambient temperature term, is the reference temperature, is the ambient humidity item.

5. The high temperature resistant pump operation monitoring system used in the heat medium oil transportation process according to claim 3 is characterized in that: The method for obtaining the aging compensation item includes: Create the equipment aging parameter formula: ； in is the aging compensation term, is the target duration item, To calibrate the temperature difference; The method of obtaining the calibration temperature difference includes: based on the target model item, obtaining a new pump that is the same as the target model item as a comparison item, obtaining temperature difference data between the target model item and the comparison item, and obtaining a calibration temperature difference that matches the target model item.

6. The high temperature resistant pump operation monitoring system used in the heat medium oil transportation process according to claim 1 is characterized in that: The method for obtaining the fluid compensation item includes: Create the fluid compensation parameter formula: ； in is the physical property correction factor, is the target hot kerosene flow rate, is the thermal conductivity of the material, is the target hot kerosene density, is the target hot kerosene specific heat capacity.

7. The high temperature resistant pump operation monitoring system used in the heat medium oil transportation process according to claim 1 is characterized in that: The composite temperature compensation formula includes: ； in is the temperature data item, is the aging compensation term, is the target duration item, is the time decay constant, is the environmental compensation item, is the historical weight coefficient, is the temperature deviation, is the fluid compensation term.

8. The high temperature resistant pump operation monitoring system used in the heat medium oil transportation process according to claim 7 is characterized in that: The method for obtaining the historical weight coefficient includes: Create a historical weight coefficient to obtain the formula: ； in is the total number of historical data points, is the temperature data item, is the mean temperature, is the temperature standard deviation.

9. The high temperature resistant pump operation monitoring system used in the heat medium oil transportation process according to claim 8 is characterized in that: The method for obtaining the temperature standard deviation includes: Create a formula for obtaining the temperature standard deviation: ； in is the total number of historical data points, is a single temperature data point, is the data mean.

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