Automatic water removal device for compressed air during tiny-oil ignition of boiler

Abstract

The invention provides an automatic dewatering device for compressed air during tiny-oil ignition of a boiler, and relates to the technical field of automatic dewatering devices.The automatic dewatering device comprises a first dewatering tank, the first dewatering tank is installed on a compressed air inlet pipeline, a first dewatering door is arranged at the bottom of the first dewatering tank, and a first liquid level transmitter is arranged in the first dewatering tank; the programmable controller is electrically connected with the first liquid level transmitter and the first drainage door. A large amount of water in a compressed air inlet pipeline of a boiler tiny-oil ignition device is collected into the first water draining tank through the tiny-oil ignition compressed air automatic water removing device, and water draining is conducted regularly; the phenomenon that the ignition device loses flame detection and trips due to the fact that the moisture content of the compressed air inlet pipeline is too large and oil mist sprayed by the micro-oil gun cannot be ignited can be effectively prevented, it is ensured that the micro-oil ignition device is safely and stably put into operation, boiler MFT accidents are avoided, unnecessary losses are reduced for a thermal power plant, and the unit utilization efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of automatic water removal devices, and in particular relates to an automatic water removal device for boiler micro-oil ignition compressed air. Background Art

[0002] The micro-oil ignition device of the boiler in the thermal power plant plays a vital role in the startup of the boiler and the burning of the furnace due to the failure of important auxiliary machines. When the micro-oil ignition system is not put into use for a long time after the unit is overhauled, especially in the rainy season in summer or the large temperature difference between indoor and outdoor in winter in the northern power plant, the compressed air condenses, causing the water content in the control gas source pipeline of the micro-oil ignition device to be large and unable to be put into use normally;

[0003] When the micro-oil ignition device is put into operation, the light diesel needs to be atomized by 0.3-0.5MPa compressed air, so that the ignition gun can ignite the atomized oil droplets sprayed by the small oil gun, and then ignite the pulverized coal in the burner, and the ignition can be successful. If the compressed air contains a lot of water, the oil and gas mixture sprayed by the oil gun contains a lot of water, the ignition gun cannot ignite the atomized light diesel, and the micro-oil ignition device loses fire detection and trips, which can easily cause ignition failure to trigger the boiler MFT logic, causing an accident and bringing immeasurable losses to the thermal power plant. Summary of the invention

[0004] The present invention provides a boiler micro-oil ignition compressed air automatic water removal device, which is used to solve at least one of the above-mentioned technical problems.

[0005] In order to solve the above technical problems, the present invention discloses an automatic dewatering device for boiler micro-oil ignition compressed air, comprising a drain tank, which is installed on a compressed air intake pipe, a drain door is provided at the bottom of the drain tank, a liquid level transmitter is provided in the drain tank, and a programmable controller is electrically connected to the liquid level transmitter and the drain door.

[0006] Preferably, the compressed air intake pipe is sequentially installed with a compressed air intake valve, a drain tank, a drain tank outlet door, a filter pressure reducing valve, a pressure transmitter and a manual valve for maintenance along the compressed air circulation direction.

[0007] Preferably, the hydrophobic tank is filled with filter fibers and drying media.

[0008] Preferably, a secondary water removal connecting branch is provided behind the filter pressure reducing valve on the compressed air intake pipeline, a switch valve 2, a secondary water removal assembly and a one-way valve are provided on the secondary water removal connecting branch in sequence, and a switch valve 1 is provided between the filter pressure reducing valve and the pressure transmitter on the compressed air intake pipeline;

[0009] The switch valve 1 and the switch valve 2 are electrically connected to the programmable controller.

[0010] Preferably, the secondary water removal assembly includes a second drain tank, a second drain gate is provided at the bottom of the second drain tank, a second liquid level transmitter is provided in the second drain tank, and a programmable controller is electrically connected to the second liquid level transmitter and the second drain gate.

[0011] Preferably, it also includes a water removal intensity control module, and the water removal intensity control module includes:

[0012] A data acquisition unit, used to collect real-time humidity at a compressed air inlet valve of a compressed air inlet pipeline and real-time humidity at a pressure transmitter;

[0013] A humidity prediction unit, used to construct an intake humidity prediction matrix based on the real-time humidity at the compressed air intake valve, and predict the intake humidity of the compressed air intake duct in the next cycle based on the intake humidity prediction matrix;

[0014] A calculation unit, used for calculating the real-time moisture removal intensity of the automatic moisture removal device based on the real-time humidity data at the compressed air inlet valve and the real-time humidity data at the pressure transmitter;

[0015] A dewatering intensity prediction unit, used to construct a dewatering intensity prediction matrix for the automatic dewatering device based on the real-time dewatering intensity of the automatic dewatering device, and to predict the dewatering intensity of the automatic dewatering device in the next cycle based on the dewatering intensity prediction matrix for the automatic dewatering device;

[0016] The dehydration intensity control unit is used to control the working state of the automatic dehydration device based on the air intake humidity of the compressed air intake pipeline in the next cycle and the dehydration intensity of the automatic dehydration device in the next cycle.

[0017] Preferably, based on the real-time humidity at the compressed air intake valve, an intake humidity prediction matrix is ​​constructed, and based on the intake humidity prediction matrix, the intake humidity of the compressed air intake pipe in the next cycle is predicted, including:

[0018] The intake humidity prediction matrix of the i-th detection cycle:

[0019] Among them, A i is the intake humidity prediction matrix of the i-th detection cycle, γ1 is the real-time humidity at the compressed air intake valve in the first detection cycle, γ2 is the real-time humidity at the compressed air intake valve in the second detection cycle, γ3 is the real-time humidity at the compressed air intake valve in the third detection cycle, γ4 is the real-time humidity at the compressed air intake valve in the fourth detection cycle, and γ i is the real-time humidity at the compressed air intake valve during the i-th detection cycle, γ (i-1) is the real-time humidity at the compressed air intake valve during the i-1th detection cycle;

[0020] The mean of all matrix elements in the second row of the intake humidity prediction matrix of the i-th detection cycle is obtained, and the elements in the last column of the intake humidity prediction matrix of the i-th detection cycle are set to a value equal to the mean of all matrix elements in the second row, thereby obtaining a new matrix, and the rank of the new matrix is ​​regarded as the intake humidity γ of the compressed air intake duct in the i+1-th detection cycle (i+1) .

[0021] Preferably, the real-time water removal intensity of the automatic water removal device in the i-th detection cycle is:

[0022] Among them, δ i is the real-time dewatering intensity of the automatic dewatering device in the i-th detection cycle, μ 1i is the water collection efficiency of the drain tank 1 in the i-th detection cycle, μ 2i is the water collection efficiency of the second drain tank in the i-th detection cycle, γ i is the real-time humidity at the compressed air intake valve during the i-th detection cycle, β i is the real-time humidity at the pressure transmitter during the i-th detection cycle, It is the reference qualified humidity at the pressure transmitter;

[0023] Based on the real-time dewatering intensity of the automatic dewatering device, a dewatering intensity prediction matrix of the automatic dewatering device is constructed, and the dewatering intensity of the automatic dewatering device in the next cycle is predicted based on the dewatering intensity prediction matrix of the automatic dewatering device, including:

[0024] The prediction matrix of water removal intensity of the automatic water removal device in the i-th detection cycle:

[0025] Among them, B i is the water removal intensity prediction matrix of the automatic water removal device in the i-th detection cycle, δ1 is the real-time water removal intensity of the automatic water removal device in the first detection cycle, δ2 is the real-time water removal intensity of the automatic water removal device in the second detection cycle, δ3 is the real-time water removal intensity of the automatic water removal device in the third detection cycle, δ4 is the real-time water removal intensity of the automatic water removal device in the fourth detection cycle, δ i is the real-time dewatering intensity of the automatic dewatering device in the i-th detection cycle, δ (i-1) is the real-time water removal intensity of the automatic water removal device in the i-1th detection cycle;

[0026] Get the mean of all matrix elements in the second row of the automatic water removal device water removal intensity prediction matrix of the i-th detection period, and set the elements in the last column of the automatic water removal device water removal intensity prediction matrix of the i-th detection period to a value equal to the mean of all matrix elements in the second row, so as to obtain a new matrix, and take the rank of the new matrix as the water removal intensity δ of the automatic water removal device in the i+1-th detection period (i+1) .

[0027] Preferably, based on the intake humidity γ of the compressed air intake duct in the i+1th detection cycle (i+1) and the water removal intensity δ of the automatic water removal device in the i+1th detection cycle (i+1) Regulate the working status of the automatic water removal device, including:

[0028] Calculate the predicted humidity at the pressure transmitter in the i+1th detection cycle under the current working state:

[0029] Among them, β i+1 is the predicted humidity at the pressure transmitter in the i+1th detection cycle. If the secondary water removal component is not started in the i-th detection cycle, μ 2i The value is 0;

[0030] like If the secondary water removal component is not started in the i-th detection cycle, the secondary water removal component is started in the i+1-th detection cycle;

[0031] like If the secondary water removal component has been started in the i-th detection cycle, it means that the drain tank 1 or drain tank 2 is malfunctioning, and a fault alarm is issued;

[0032] like The automatic water removal device continues to maintain the current working state in the i+1th detection cycle.

[0033] Preferably, both the first drain tank and the second drain tank are provided with a cooling refrigeration component, and the cooling refrigeration component is used to cool the compressed air.

[0034] Compared with the prior art, the present invention has the following beneficial effects:

[0035] The present invention utilizes the automatic dewatering device for compressed air of micro-oil ignition to gather a large amount of moisture in the compressed air intake pipe of the boiler micro-oil ignition device into a drain tank, and performs drainage regularly, which can effectively prevent the excessive water content in the compressed air intake pipe from causing the micro-oil gun to spray oil mist and fail to ignite, resulting in the ignition device losing fire detection and tripping. It ensures that the micro-oil ignition device is put into operation safely and stably, avoids the occurrence of boiler MFT accidents, reduces unnecessary losses for thermal power plants, and improves the utilization efficiency of units. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0037] Figure 1 This is a schematic diagram of an automatic dewatering device for boiler micro-oil ignition compressed air proposed by the present invention. Figure 1 ;

[0038] Figure 2 This is a schematic diagram of an automatic dewatering device for boiler micro-oil ignition compressed air proposed by the present invention. Figure 2 .

[0039] In the figure: 1. Compressed air inlet pipe; 2. Compressed air inlet valve; 3. Drain tank outlet door 1; 4. Filter pressure reducing valve; 5. Pressure transmitter; 6. Manual valve for maintenance; 7. Drain valve 1; 8. Drain tank 1; 9. Liquid level transmitter 1; 10. Drain tank 2; 11. Drain valve 2; 12. Liquid level transmitter 2; 13. Secondary water removal connecting branch pipe; 14. Switch valve 2; 15. Check valve; 16. Switch valve 1. DETAILED DESCRIPTION

[0040] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0041] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0042] The present invention provides the following embodiments

[0043] Example 1

[0044] The embodiment of the present invention provides a boiler micro-oil ignition compressed air automatic water removal device, such as Figure 1-Figure 2As shown, it includes a drain tank 8, which is installed on the compressed air intake pipe 1. A drain door 7 is provided at the bottom of the drain tank 8. A liquid level transmitter 9 is provided in the drain tank 8. The programmable controller is electrically connected to the liquid level transmitter 9 and the drain door 7.

[0045] The working principle and beneficial effects of the above technical solution are as follows: when the compressed air passes through the drain tank 8 during the transportation in the compressed air intake pipeline 1, the moisture in the air will gather in the drain tank 8, and the liquid level of the drain tank 8 will continue to rise. The liquid level transmitter 9 can measure the liquid level in the drain tank 8 in real time and transmit it to the programmable controller. When the liquid level reaches the upper limit, the alarm is triggered and the drain door 7 is opened for draining;

[0046] The present invention utilizes the automatic dehydration device for compressed air of micro-oil ignition to gather a large amount of water in the compressed air intake pipe 1 of the boiler micro-oil ignition device into a drain tank 8, and performs drainage regularly, which can effectively prevent the excessive water content in the compressed air intake pipe 1 from causing the micro-oil gun to spray oil mist and fail to ignite, resulting in the ignition device losing the fire detection and tripping phenomenon, thereby ensuring the safe and stable operation of the micro-oil ignition device, avoiding the occurrence of boiler MFT accidents, reducing unnecessary losses for thermal power plants, and improving the utilization efficiency of the units.

[0047] Example 2

[0048] Based on Example 1, the compressed air intake pipe 1 is installed with a compressed air intake valve 2, a drain tank 8, a drain tank outlet door 3, a filter pressure reducing valve 4, a pressure transmitter 5 and a manual valve 6 for maintenance in sequence along the compressed air flow direction.

[0049] Preferably, the hydrophobic tank 8 is filled with filter fibers and drying media.

[0050] The working principle and beneficial effects of the above technical solution are as follows: the filter fiber and the drying medium filter a large amount of moisture carried by the compressed air, and the moisture is gathered in the drain tank 8 by gravity. A drain tank outlet door 3 is provided at the outlet of the tank body, and a filter pressure reducing valve 4 is provided behind the drain tank outlet door 3 to further remove excess moisture and impurities in the air. A pressure transmitter 5 is arranged on the outlet pipeline of the compressed air intake pipe 1 to transmit the outlet pressure of the drain tank 8 to the programmable controller in real time. When the outlet pressure is lower than 0.3-0.5MPA, which can be set according to the actual situation on site, the programmable controller issues a closing command to close the drain door 7 and stop draining to maintain the stable pressure of the compressed air system and ensure the stable operation of the micro-oil ignition device.

[0051] Example 3

[0052] On the basis of Example 2, a secondary water removal connecting branch pipe 13 is provided behind the filter pressure reducing valve 4 on the compressed air intake pipeline 1, and a switch valve 2 14, a secondary water removal assembly and a one-way valve 15 are provided on the secondary water removal connecting branch pipe 13 in sequence, and a switch valve 1 16 is provided between the filter pressure reducing valve 4 and the pressure transmitter 5 on the compressed air intake pipeline 1;

[0053] The switch valve 1 16 and the switch valve 2 14 are electrically connected to the programmable controller.

[0054] Preferably, the secondary water removal assembly includes a drain tank 10, a drain gate 11 is provided at the bottom of the drain tank 10, a liquid level transmitter 12 is provided in the drain tank 10, and a programmable controller is electrically connected to the liquid level transmitter 12 and the drain gate 11.

[0055] Preferably, both the drain tank 1 8 and the drain tank 2 10 are provided with a cooling refrigeration component, and the cooling refrigeration component is used to cool the compressed air.

[0056] The working principle and beneficial effects of the above technical solution are as follows: first, the compressed air is dehydrated through the drain tank 8. When the dehydration strength of the drain tank 8 is unqualified, the switch valve 16 is closed, the switch valve 2 14 is opened, and the compressed air enters the secondary dehydration connecting branch pipe 13 after being dehydrated by the drain tank 8, and then dehydrated again by the drain tank 2 10;

[0057] The cooling refrigeration component can cool the compressed air, thereby promoting the collection of moisture in the compressed air in the drain tank 1 8 or the drain tank 2 10.

[0058] Example 4

[0059] On the basis of Example 3, a water removal intensity control module is also included, and the water removal intensity control module includes:

[0060] A data acquisition unit, used to collect real-time humidity at a compressed air intake valve 2 of a compressed air intake pipe 1 and real-time humidity at a pressure transmitter 5;

[0061] A humidity prediction unit, for constructing an intake humidity prediction matrix based on the real-time humidity at the compressed air intake valve 2, and predicting the intake humidity of the compressed air intake pipe 1 in the next cycle based on the intake humidity prediction matrix;

[0062] A calculation unit, for calculating the real-time moisture removal intensity of the automatic moisture removal device based on the real-time humidity data at the compressed air inlet valve 2 and the real-time humidity data at the pressure transmitter 5;

[0063] A dewatering intensity prediction unit, used to construct a dewatering intensity prediction matrix for the automatic dewatering device based on the real-time dewatering intensity of the automatic dewatering device, and to predict the dewatering intensity of the automatic dewatering device in the next cycle based on the dewatering intensity prediction matrix for the automatic dewatering device;

[0064] The dehydration intensity control unit is used to control the working state of the automatic dehydration device based on the intake humidity of the compressed air intake pipeline 1 in the next cycle and the dehydration intensity of the automatic dehydration device in the next cycle.

[0065] The working principle and beneficial effects of the above technical solution: The dehydration intensity control module significantly improves the intelligence and adaptability of the automatic dehydration device through the coordinated work of multiple functional units. The data acquisition unit monitors the humidity at the compressed air inlet valve and the humidity at the pressure transmitter in real time, providing basic data for subsequent humidity analysis. The humidity prediction unit uses these data to construct an intake humidity prediction matrix, so that the humidity changes in the next cycle can be predicted in advance. The calculation unit calculates the dehydration intensity of the dehydration device through real-time humidity data, so that the system can dynamically adjust the dehydration intensity according to the current situation. The dehydration intensity prediction unit constructs a prediction matrix based on the real-time dehydration intensity to predict the dehydration demand for the next cycle. The dehydration intensity control unit comprehensively considers the intake humidity and the predicted dehydration intensity. The intelligent adjustment of the working state of the automatic dehydration device not only improves the reliability of dehydration, but also ensures the stability of the compressed air system, further ensures the safe and efficient operation of the boiler micro-oil ignition device, reduces the risk of failure, and improves the economy and reliability of the overall system.

[0066] Example 5

[0067] On the basis of Example 4, based on the real-time humidity at the compressed air intake valve 2, an intake humidity prediction matrix is ​​constructed, and the intake humidity of the compressed air intake pipe 1 in the next cycle is predicted based on the intake humidity prediction matrix, including:

[0068] The intake humidity prediction matrix of the i-th detection cycle:

[0069] Among them, A i is the intake humidity prediction matrix of the i-th detection cycle, γ1 is the real-time humidity at the compressed air intake valve 2 in the first detection cycle, γ2 is the real-time humidity at the compressed air intake valve 2 in the second detection cycle, γ3 is the real-time humidity at the compressed air intake valve 2 in the third detection cycle, γ4 is the real-time humidity at the compressed air intake valve 2 in the fourth detection cycle, and γ i is the real-time humidity at the compressed air intake valve 2 in the i-th detection cycle, γ (i-1) is the real-time humidity at the compressed air intake valve 2 during the i-1th detection cycle;

[0070] The mean of all matrix elements in the second row of the intake humidity prediction matrix of the i-th detection cycle is obtained, and the elements in the last column of the intake humidity prediction matrix of the i-th detection cycle are set to a value equal to the mean of all matrix elements in the second row, thereby obtaining a new matrix, and the rank of the new matrix is ​​regarded as the intake humidity γ of the compressed air intake pipe 1 in the i+1-th detection cycle (i+1) .

[0071] The working principle and beneficial effects of the above technical solution are as follows: the intake humidity prediction matrix constructed based on the real-time humidity at the compressed air intake valve 2 provides a more scientific and accurate basis for the humidity prediction of the system. By analyzing the intake humidity of the i-th detection cycle, the real-time humidity data of multiple past detection cycles are integrated into the prediction matrix to form a dynamic humidity monitoring system. By calculating the mean of all elements in the second row of the matrix, the system can effectively capture the trend of humidity changes and reflect this trend in the final prediction results. It not only reduces the error that may be caused by a single data point, but also derives the intake humidity of the i+1-th detection cycle through the new matrix rank, thereby realizing the prediction of future humidity changes. It not only improves the accuracy of humidity prediction, but also enhances the responsiveness of the automatic water removal device, enabling it to adapt to environmental changes more flexibly, thereby optimizing the water removal intensity control strategy and ensuring the efficient and stable operation of the compressed air system.

[0072] Example 6

[0073] Based on Example 4, the real-time water removal intensity of the automatic water removal device in the i-th detection cycle is:

[0074] Among them, δ i is the real-time dewatering intensity of the automatic dewatering device in the i-th detection cycle, μ 1i is the water collection efficiency of the drain tank 8 in the i-th detection cycle, μ 2i is the water collection efficiency of the drain tank 10 in the i-th detection cycle, γ i is the real-time humidity at the compressed air intake valve 2 during the i-th detection cycle, β i is the real-time humidity at the pressure transmitter 5 in the i-th detection cycle, is the reference qualified humidity at the pressure transmitter 5;

[0075] Based on the real-time dewatering intensity of the automatic dewatering device, a dewatering intensity prediction matrix of the automatic dewatering device is constructed, and the dewatering intensity of the automatic dewatering device in the next cycle is predicted based on the dewatering intensity prediction matrix of the automatic dewatering device, including:

[0076] The prediction matrix of water removal intensity of the automatic water removal device in the i-th detection cycle:

[0077] Among them, B i is the water removal intensity prediction matrix of the automatic water removal device in the i-th detection cycle, δ1 is the real-time water removal intensity of the automatic water removal device in the first detection cycle, δ2 is the real-time water removal intensity of the automatic water removal device in the second detection cycle, δ3 is the real-time water removal intensity of the automatic water removal device in the third detection cycle, δ4 is the real-time water removal intensity of the automatic water removal device in the fourth detection cycle, δ i is the real-time dewatering intensity of the automatic dewatering device in the i-th detection cycle, δ (i-1) is the real-time water removal intensity of the automatic water removal device in the i-1th detection cycle;

[0078] Get the mean of all matrix elements in the second row of the automatic water removal device water removal intensity prediction matrix of the i-th detection period, and set the elements in the last column of the automatic water removal device water removal intensity prediction matrix of the i-th detection period to a value equal to the mean of all matrix elements in the second row, so as to obtain a new matrix, and take the rank of the new matrix as the water removal intensity δ of the automatic water removal device in the i+1-th detection period (i+1) .

[0079] The working principle and beneficial effects of the above technical solution are as follows: by constructing a real-time water removal intensity matrix of the automatic water removal device in the i-th detection cycle, the system can dynamically evaluate the working performance of the automatic water removal device. The calculation of the real-time water removal intensity not only considers the water collection efficiency of the drain tank 1 8 and the drain tank 2 10, but also combines the real-time humidity data at the compressed air inlet valve 2 and the pressure transmitter 5, as well as the benchmark qualified humidity. This multi-dimensional data integration makes the evaluation of the water removal intensity more comprehensive, ensuring the flexible response of the system under different working conditions.

[0080] The water removal intensity prediction matrix uses mean analysis of historical data to enable the system to effectively capture the changing trend of water removal intensity. By obtaining the mean of all elements in the second row of the matrix and updating the values ​​in the last column of the matrix, the new matrix formed provides a reliable basis for predicting the water removal intensity of the next cycle, effectively reducing the errors caused by instantaneous fluctuations and making the prediction of water removal intensity more stable and accurate.

[0081] Example 7

[0082] On the basis of Example 6, based on the intake humidity γ of the compressed air intake pipe 1 in the i+1th detection period (i+1) and the water removal intensity δ of the automatic water removal device in the i+1th detection cycle (i+1) Regulate the working status of the automatic water removal device, including:

[0083] Calculate the predicted humidity at the pressure transmitter 5 in the i+1th detection cycle under the current working state:

[0084] Among them, β i+1 is the predicted humidity at the pressure transmitter 5 in the i+1th detection cycle. If the secondary water removal component is not started in the i-th detection cycle, μ 2i The value is 0;

[0085] like If the secondary water removal component is not started in the i-th detection cycle, the secondary water removal component is started in the i+1-th detection cycle;

[0086] like If the secondary water removal component has been started in the i-th detection cycle, it means that the drain tank 1 (8) or the drain tank 2 10 is malfunctioning, and a fault alarm is issued;

[0087] like The automatic water removal device continues to maintain the current working state in the i+1th detection cycle.

[0088] The working principle and beneficial effects of the above technical solution are as follows: based on the air intake humidity and water removal intensity of the i+1th detection cycle, the working state of the automatic water removal device is precisely regulated, which significantly improves the responsiveness and intelligence level of the system. By calculating the predicted humidity at the pressure transmitter of the i+1th detection cycle, the system can evaluate the effectiveness of the current working state in real time. If it is found that the secondary water removal component of the i-th detection cycle is not started and the predicted humidity exceeds the set threshold, the system will automatically start the secondary water removal component to ensure that the water removal capacity is enhanced in time. If the predicted humidity is still higher than the safety standard when the secondary water removal component has been started, it means that there may be a fault in the drain tank one or the drain tank two. The system will immediately issue an alarm prompt to facilitate rapid location and resolution of the problem.

[0089] It improves the system's sensitivity and response speed to humidity changes, effectively reduces the risk of failure, ensures the stable operation of the compressed air system, and further improves the efficiency and reliability of the overall equipment.

[0090] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A boiler micro-oil ignition compressed air automatic water removal device, characterized in that: The invention comprises a drain tank (8), wherein the drain tank (8) is installed on a compressed air intake pipe (1), a drain door (7) is provided at the bottom of the drain tank (8), a liquid level transmitter (9) is provided inside the drain tank (8), and a programmable controller is electrically connected to the liquid level transmitter (9) and the drain door (7).

2. The automatic dewatering device for boiler micro-oil ignition compressed air according to claim 1, characterized in that: The compressed air intake pipeline (1) is provided with a compressed air intake valve (2), a drain tank (8), a drain tank outlet door (3), a filter pressure reducing valve (4), a pressure transmitter (5) and a manual valve (6) for maintenance in sequence along the compressed air circulation direction.

3. The automatic dewatering device for boiler micro-oil ignition compressed air according to claim 1 is characterized by: The drain tank (8) is filled with filter fibers and drying media.

4. The automatic dewatering device for boiler micro-oil ignition compressed air according to claim 2 is characterized by: A secondary dehydration connecting branch pipe (13) is provided behind the filter pressure reducing valve (4) on the compressed air intake pipeline (1), a second switch valve (14), a secondary dehydration assembly and a one-way valve (15) are provided on the secondary dehydration connecting branch pipe (13) in sequence, and a first switch valve (16) is provided between the filter pressure reducing valve (4) and the pressure transmitter (5) on the compressed air intake pipeline (1); The switch valve 1 (16) and the switch valve 2 (14) are electrically connected to a programmable controller.

5. The automatic dewatering device for boiler micro-oil ignition compressed air according to claim 4, characterized in that: The secondary water removal assembly comprises a second drain tank (10), a second drain gate (11) is provided at the bottom of the second drain tank (10), a second liquid level transmitter (12) is provided in the second drain tank (10), and a programmable controller is electrically connected to the second liquid level transmitter (12) and the second drain gate (11).

6. The automatic dewatering device for boiler micro-oil ignition compressed air according to claim 4, characterized in that: It also includes a water removal intensity control module, which includes: A data acquisition unit, used for acquiring real-time humidity at a compressed air intake valve (2) of a compressed air intake pipeline (1) and real-time humidity at a pressure transmitter (5); A humidity prediction unit, used to construct an intake humidity prediction matrix based on the real-time humidity at the compressed air intake valve (2), and to predict the intake humidity of the compressed air intake pipe (1) in the next cycle based on the intake humidity prediction matrix; A calculation unit, used for calculating the real-time moisture removal intensity of the automatic moisture removal device based on the real-time humidity at the compressed air inlet valve (2) and the real-time humidity data at the pressure transmitter (5); A dewatering intensity prediction unit, used to construct a dewatering intensity prediction matrix for the automatic dewatering device based on the real-time dewatering intensity of the automatic dewatering device, and to predict the dewatering intensity of the automatic dewatering device in the next cycle based on the dewatering intensity prediction matrix for the automatic dewatering device; The dehydration intensity control unit is used to control the working state of the automatic dehydration device based on the air intake humidity of the compressed air intake pipeline (1) in the next cycle and the dehydration intensity of the automatic dehydration device in the next cycle.

7. The automatic dewatering device for boiler micro-oil ignition compressed air according to claim 6, characterized in that: Based on the real-time humidity at the compressed air intake valve (2), an intake humidity prediction matrix is ​​constructed, and based on the intake humidity prediction matrix, the intake humidity of the compressed air intake pipeline (1) in the next cycle is predicted, including: The intake humidity prediction matrix of the i-th detection cycle: Among them, A i is the intake humidity prediction matrix of the i-th detection cycle, γ1 is the real-time humidity at the compressed air intake valve (2) of the first detection cycle, γ2 is the real-time humidity at the compressed air intake valve (2) of the second detection cycle, γ3 is the real-time humidity at the compressed air intake valve (2) of the third detection cycle, γ4 is the real-time humidity at the compressed air intake valve (2) of the fourth detection cycle, and γ i is the real-time humidity at the compressed air intake valve (2) during the i-th detection cycle, γ (i-1) is the real-time humidity at the compressed air intake valve (2) during the i-1th detection cycle; The mean value of all matrix elements in the second row of the intake humidity prediction matrix of the i-th detection cycle is obtained, and the element in the last column of the intake humidity prediction matrix of the i-th detection cycle is set to a value equal to the mean value of all matrix elements in the second row, thereby obtaining a new matrix, and the rank of the new matrix is ​​regarded as the intake humidity γ of the compressed air intake duct (1) of the i+1-th detection cycle (i+1) .

8. The automatic dewatering device for boiler micro-oil ignition compressed air according to claim 6, characterized in that: Real-time water removal intensity of the automatic water removal device in the i-th detection cycle: Among them, δ i is the real-time dewatering intensity of the automatic dewatering device in the i-th detection cycle, μ 1i is the water collection efficiency of the drain tank (8) in the i-th detection cycle, μ 2i is the water collection efficiency of the drain tank 2 (10) in the i-th detection cycle, γ i is the real-time humidity at the compressed air intake valve (2) during the i-th detection cycle, β i is the real-time humidity at the pressure transmitter (5) during the i-th detection cycle, is the reference qualified humidity at the pressure transmitter (5); Based on the real-time dewatering intensity of the automatic dewatering device, a dewatering intensity prediction matrix of the automatic dewatering device is constructed, and the dewatering intensity of the automatic dewatering device in the next cycle is predicted based on the dewatering intensity prediction matrix of the automatic dewatering device, including: The prediction matrix of water removal intensity of the automatic water removal device in the i-th detection cycle: Among them, B i is the water removal intensity prediction matrix of the automatic water removal device in the i-th detection cycle, δ1 is the real-time water removal intensity of the automatic water removal device in the first detection cycle, δ2 is the real-time water removal intensity of the automatic water removal device in the second detection cycle, δ3 is the real-time water removal intensity of the automatic water removal device in the third detection cycle, δ4 is the real-time water removal intensity of the automatic water removal device in the fourth detection cycle, δ i is the real-time dewatering intensity of the automatic dewatering device in the i-th detection cycle, δ (i-1) is the real-time water removal intensity of the automatic water removal device in the i-1th detection cycle; Get the mean of all matrix elements in the second row of the automatic water removal device water removal intensity prediction matrix of the i-th detection period, and set the elements in the last column of the automatic water removal device water removal intensity prediction matrix of the i-th detection period to a value equal to the mean of all matrix elements in the second row, so as to obtain a new matrix, and take the rank of the new matrix as the water removal intensity δ of the automatic water removal device in the i+1-th detection period (i+1) .

9. The automatic dewatering device for boiler micro-oil ignition compressed air according to claim 8, characterized in that: Based on the intake humidity γ of the compressed air intake duct (1) in the i+1th detection cycle (i+1) and the water removal intensity δ of the automatic water removal device in the i+1th detection cycle (i+1) Regulate the working status of the automatic water removal device, including: Calculate the predicted humidity at the pressure transmitter (5) in the i+1th detection cycle under the current working state: Among them, β i+1 is the predicted humidity at the pressure transmitter (5) in the i+1th detection cycle. If the secondary water removal component is not started in the i-th detection cycle, μ 2i The value is 0; like If the secondary water removal component is not started in the i-th detection cycle, the secondary water removal component is started in the i+1-th detection cycle; like If the secondary water removal component has been activated in the i-th detection cycle, it means that the drain tank 1 (8) or the drain tank 2 (10) is malfunctioning, and a fault alarm is issued; like The automatic water removal device continues to maintain the current working state in the i+1th detection cycle.

10. The automatic dewatering device for boiler micro-oil ignition compressed air according to claim 5, characterized in that: Both the first drain tank (8) and the second drain tank (10) are provided with a cooling refrigeration component, and the cooling refrigeration component is used to cool the compressed air.

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