A boiler tail gas separation device and control system combined with a heat pump

Through modular architecture and intelligent control system, the functional fragmentation and insufficient adaptability of traditional boiler tail gas treatment devices have been solved, realizing deep synergy between heat pump recovery and waste gas separation, and improving the system's flexibility and stability.

CN121596730BActive Publication Date: 2026-05-05BEIJING XINSHIYI ENERGY SAVING & ENVIRONMENTAL PROTECTION TECH CO LTD
View PDF 4 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING XINSHIYI ENERGY SAVING & ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2026-01-29
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Traditional boiler tail gas treatment devices suffer from functional fragmentation, insufficient adaptability, and lack of hierarchical structure, resulting in poor synergy between heat pump recovery and waste gas separation functions. They are unable to flexibly adapt to boilers of different tonnages and application scenarios, and exhibit slow response and insufficient stability.

Method used

It adopts a modular architecture design, including a heat pump recovery module, a gas-solid separation module, and a gas-liquid separation module. Combined with a working condition sensing module, an intelligent decision-making module, a collaborative control module, a feedback optimization module, and a fault tolerance module, it can realize multi-dimensional parameter acquisition, real-time control strategy generation, and dynamic adjustment, ensuring module linkage and fault isolation.

Benefits of technology

It achieves deep synergy between heat pump recovery and waste gas separation, improves the system's scenario compatibility and response speed, ensures precise adjustment of control strategies and system stability, and avoids the impact of a single module malfunction on the overall operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121596730B_ABST
    Figure CN121596730B_ABST
Patent Text Reader

Abstract

This invention belongs to the field of boiler exhaust gas treatment and intelligent control technology, specifically a boiler exhaust gas separation device and control system combined with a heat pump. First, by collecting multi-dimensional parameters of the exhaust gas and combining them with the boiler tonnage and scenario database to identify operating condition characteristics, the priority of treatment needs is determined. Then, after standardized fusion processing, the module configuration information is matched to generate a targeted control strategy, while simultaneously predicting potential faults and formulating contingency plans. Afterwards, the various units are coordinated to execute in conjunction, and operational data is collected and fed back in real time. Based on this, this invention, through modular architecture design and hierarchical logical closed-loop construction, effectively solves the core pain points of traditional control systems, achieving deep synergistic linkage between heat pump recovery and exhaust gas separation functions, breaking down the barriers of independent control, and allowing the two to dynamically adapt and cooperate efficiently according to real-time operating conditions.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of boiler exhaust gas treatment and intelligent control technology, specifically to a boiler exhaust gas separation device and control system combined with a heat pump. Background Technology

[0002] In applications such as industrial boilers, district heating boilers, and energy and chemical boilers, efficient treatment of exhaust gas is a core element in achieving energy conservation, carbon reduction, and environmental compliance.

[0003] However, the control systems of current traditional boiler tail gas treatment devices generally have the following technical defects:

[0004] 1. Fragmented functions and poor coordination: Existing control systems mostly adopt an independent architecture of "separate control + heat recovery control". For example, the waste gas separation system of a large industrial boiler is only responsible for particulate matter filtration, while the heat pump heat recovery system controls the temperature separately. There is no data interaction or linkage mechanism between the two. When the waste gas temperature rises sharply, the separation system does not adjust the filtration speed in time, causing impurities to penetrate, while the heat pump system still operates at a fixed power, resulting in insufficient heat recovery, which wastes resources and affects the separation effect.

[0005] 2. Insufficient adaptability and weak scenario compatibility: The control system does not have graded control logic designed for different boiler tonnages and application scenarios. For example, when a commercial medium-sized heating boiler switches to a low-temperature and low-dust operating condition, the control system cannot automatically reduce the separation accuracy and increase the priority of heat pump recovery. It still uses the control parameters of the industrial high-temperature and high-humidity operating condition, resulting in an increase in energy consumption of more than 30%. After the upgrade and renovation of small civil boilers, the original control system interface is not compatible with the new module, and the whole system needs to be replaced, resulting in idle equipment.

[0006] 3. Lack of hierarchy and delayed response: Control units are mostly flat designs without a closed-loop hierarchy of "perception-decision-execution-feedback". For example, when the concentration of pollutants in the waste gas of a chemical plant boiler suddenly exceeds the standard, the control system directly triggers the highest level of purification command without going through intermediate decision-making links such as working condition judgment and parameter matching. This leads to excessive wear and tear on the separation module and makes it impossible to dynamically adjust the control strategy according to the composition of the waste gas. Summary of the Invention

[0007] To address the aforementioned technical problems of fragmented functions, insufficient adaptability, and missing hierarchical structure, this invention provides the following technical solution:

[0008] A boiler tail gas separation device combined with a heat pump includes a heat pump recovery module, a gas-solid separation module, and a gas-liquid separation module arranged sequentially. The inlet end of the heat pump recovery module is fixedly installed with a first tail gas branch pipe and a first pipe equipped with a valve via a multi-port connector, and the exhaust end of the heat pump recovery module is fixedly installed with a second pipe equipped with a valve. The inlet end of the gas-solid separation module is fixedly installed with a second pipe and a second tail gas branch pipe equipped with a valve via a multi-port connector. The exhaust end of the gas-solid separation module is fixedly connected to the inlet end of the gas-liquid separation module via a third pipe. The exhaust end of the gas-liquid separation module is fixedly installed with a first pipe and a fourth pipe equipped with a valve via a multi-port connector.

[0009] As a preferred embodiment of the boiler tail gas separation device combined with a heat pump according to the present invention, the heat pump recovery module includes:

[0010] A chassis, wherein the heat pump body is fixedly installed inside the chassis;

[0011] The first air intake pipe is fixedly installed at the air intake end of the chassis, and the first air intake pipe is connected to the first exhaust branch pipe and the first pipeline through a multi-port connector.

[0012] The first exhaust pipe is fixedly installed at the air outlet end of the chassis, and the first exhaust pipe is connected to the second pipe.

[0013] As a preferred embodiment of the boiler tail gas separation device combined with a heat pump according to the present invention, the gas-solid separation module includes:

[0014] Filter box;

[0015] The second air intake pipe is fixedly installed at the air intake end of the filter box, and the second air intake pipe is connected to the second pipe and the second exhaust branch pipe through a multi-port connector.

[0016] The second exhaust pipe is fixedly installed at the air outlet end of the filter box, and the second exhaust pipe is connected to the third pipe.

[0017] A bidirectional fan is fixedly installed on the left side of the inner cavity of the filter box;

[0018] A support plate, which is fixedly installed in the middle of the inner cavity of the filter box;

[0019] The support plate has several filter holes.

[0020] A rectangular frame is slidably connected in the filter box located on the right side of the support plate;

[0021] The frame is provided with several support plates, and the two sets of support plates and the support plates and the frame are fixedly connected by connecting rods;

[0022] A frustum column, which is fixedly installed on one side of the support plate, with one end of the frustum column inserted into the filter hole;

[0023] Connecting plates, several connecting plates are fixedly installed in the filter box located on the right side of the frame;

[0024] An electric push rod is fixedly installed on one side of a connecting plate, and the push rod of the electric push rod is fixedly installed in a square frame.

[0025] As a preferred embodiment of the boiler tail gas separation device combined with a heat pump according to the present invention, the gas-liquid separation module includes:

[0026] Cyclone separator;

[0027] The third air inlet pipe is fixedly installed at the air inlet end of the cyclone separator and is connected to the third pipeline.

[0028] The drain pipe is equipped with a valve, and the drain pipe is fixedly installed at the drain end of the cyclone separator;

[0029] The third exhaust pipe has a drain pipe fixedly installed at the outlet end of the cyclone separator, and the drain pipe is connected to the first and fourth pipes through a tee connector.

[0030] A control system for a boiler tail-end waste gas separation device combined with a heat pump, comprising the aforementioned boiler tail-end waste gas separation device combined with a heat pump, further comprising:

[0031] The operating condition perception module is used to identify operating condition characteristics by collecting multi-dimensional parameters of residual gas, combining boiler tonnage and scenario database, and determining the priority of processing needs.

[0032] The intelligent decision-making module receives parameter and priority data from the working condition sensing module. After standardized fusion processing, it matches the module configuration information to generate targeted control strategies, while also predicting potential faults and formulating contingency plans.

[0033] The collaborative control module is used to coordinate the joint execution of each unit based on the control strategy and fault plan of the intelligent decision module, and to collect and feed back operational data in real time.

[0034] The feedback optimization module is used to receive operational feedback data from the collaborative control module, compare the processing effect with the target threshold, and dynamically adjust the parameter thresholds and weight coefficients of the decision-making process.

[0035] The fault-tolerant module is used to quickly isolate the faulty module, activate the backup control logic, and simultaneously issue alarms and maintenance prompts based on the fault prediction results of the intelligent decision module.

[0036] As a preferred embodiment of the control system for a boiler tail gas separation device combined with a heat pump according to the present invention, the operating condition sensing module includes:

[0037] The residual gas parameter acquisition unit is used to collect multi-dimensional basic data of the residual gas at the tail end of the boiler.

[0038] The boiler operating condition adaptation unit is used to receive basic data from the residual gas parameter acquisition unit, and automatically identify the current boiler type and operating condition characteristics by combining the preset boiler tonnage database and application scenario tag library.

[0039] The demand priority determination unit is used to retrieve the scenario demand rule library based on the determination result of the boiler operating condition adaptation unit to determine the priority of residual gas treatment.

[0040] As a preferred embodiment of the control system for a boiler tail gas separation device combined with a heat pump according to the present invention, the intelligent decision-making module includes:

[0041] The data fusion processing unit is used to perform data standardization processing through the Modbus-RTU protocol after receiving the priority weight of the demand priority determination unit and the real-time data of the residual gas parameter acquisition unit, to remove outliers, and to calculate the comprehensive residual gas parameters.

[0042] The control strategy generation unit is used to generate targeted control strategies based on the comprehensive parameters of the data fusion processing unit and the module configuration information of the modular architecture.

[0043] The fault prediction unit is used to monitor the parameter fluctuations of the data fusion processing unit in real time. When the fluctuation of the residual gas parameter exceeds 30% or the module operating parameters deviate from the preset range, it predicts potential faults and generates fault type labels and backup control plans.

[0044] As a preferred embodiment of the control system for a boiler tail gas separation device combined with a heat pump according to the present invention, the collaborative control module includes:

[0045] The heat pump recovery control unit is used to control the heat pump recovery module after receiving the heat pump power command from the control strategy generation unit.

[0046] The gas-solid separation control unit is used to control the gas-solid separation module according to the filtration speed and accuracy commands generated by the control strategy;

[0047] The gas-liquid separation control unit is used to adjust the gas-liquid separation module after receiving control strategy commands;

[0048] The module linkage coordination unit is used to establish a real-time data exchange channel between the heat pump recovery module, the gas-solid separation module, and the gas-liquid separation module to ensure coordinated operation.

[0049] As a preferred embodiment of the control system for a boiler tail gas separation device combined with a heat pump according to the present invention, the feedback optimization module includes:

[0050] The performance evaluation unit is used to compare the feedback data received from each control unit with the preset target threshold and calculate the performance deviation value.

[0051] The strategy iteration unit is used to dynamically adjust the parameter thresholds and weight coefficients of the control strategy generation unit based on the deviation value of the performance evaluation unit.

[0052] As a preferred embodiment of the control system for a boiler tail gas separation device combined with a heat pump as described in this invention, the fault-tolerant module includes:

[0053] The fault isolation unit is used to immediately cut off the control signal interaction between the fault module and other modules after receiving the fault tag from the fault prediction unit.

[0054] The backup control unit is used to call up the backup plan of the fault prediction unit and start the emergency control logic;

[0055] The alarm and maintenance unit is used to issue fault alarm signals, display the fault module, fault type and handling suggestions, and record the fault time and operating parameters.

[0056] Compared with existing technologies:

[0057] This invention effectively addresses the core pain points of traditional control systems through modular architecture design and hierarchical logical closed-loop construction. It achieves deep synergy between heat pump recovery and waste gas separation functions, breaking down the barriers of independent control and allowing the two to dynamically adapt and cooperate efficiently based on real-time operating conditions. Simultaneously, it can flexibly adapt to boilers of different tonnages and various application scenarios, meeting diverse processing needs without requiring overall system replacement or reconstruction, significantly improving scenario compatibility and application flexibility. The clear "perception-decision-execution-feedback" hierarchical design ensures that the control strategy can respond quickly and adjust accurately when operating conditions change, completely changing the problem of lag in traditional systems. Furthermore, the comprehensive fault isolation, backup control, and alarm maintenance mechanisms ensure that anomalies in a single module will not affect the overall system operation, effectively guaranteeing operational stability and continuity, and comprehensively improving the system's practical value and reliability. Attached Figure Description

[0058] Figure 1This is a schematic diagram of the overall process of the present invention;

[0059] Figure 2 This is a front view schematic diagram of the heat pump recovery module of the present invention;

[0060] Figure 3 This is a front view schematic diagram of the gas-solid separation module of the present invention;

[0061] Figure 4 For the present invention Figure 3 Enlarged schematic diagram of the structure at point A in the middle;

[0062] Figure 5 This is a side view of the block diagram of the present invention;

[0063] Figure 6 This is a schematic diagram of the overall framework of the control system of the present invention;

[0064] Figure 7 This is a schematic diagram of the working condition sensing module framework of the present invention;

[0065] Figure 8 This is a schematic diagram of the intelligent decision-making module framework of the present invention;

[0066] Figure 9 This is a schematic diagram of the collaborative control module framework of the present invention;

[0067] Figure 10 This is a schematic diagram of the feedback optimization module framework of the present invention;

[0068] Figure 11 This is a schematic diagram of the fault-tolerant module framework of the present invention.

[0069] In the diagram: chassis 10, heat pump body 11, first air inlet pipe 12, first exhaust pipe 13, filter box 20, second air inlet pipe 21, second exhaust pipe 22, bidirectional fan 24, support plate 25, filter hole 26, square frame 27, bearing plate 28, connecting rod 29, frustum column 291, connecting plate 292, electric push rod 293, cyclone separator 30, third air inlet pipe 31, drain pipe 32, third exhaust pipe 33, first tail gas branch pipe 40, first pipe 41, second pipe 42, second tail gas branch pipe 43, third pipe 44, fourth pipe 45. Detailed Implementation

[0070] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0071] This invention provides a boiler tail gas separation device combined with a heat pump. Please refer to [link / reference]. Figures 1-5The system includes a heat pump recovery module, a gas-solid separation module, and a gas-liquid separation module arranged sequentially. The inlet of the heat pump recovery module is fixedly installed with a first exhaust gas branch pipe 40 and a first pipe 41 equipped with valves via a multi-port connector. The exhaust of the heat pump recovery module is fixedly installed with a second pipe 42 equipped with valves. The inlet of the gas-solid separation module is fixedly installed with a second pipe 42 and a second exhaust gas branch pipe 43 equipped with valves via a multi-port connector. The first exhaust gas branch pipe 40 and the second exhaust gas branch pipe 43 are connected to the exhaust gas main pipe via a multi-port connector. The exhaust of the gas-solid separation module is fixedly connected to the inlet of the gas-liquid separation module via a third pipe 44. The exhaust of the gas-liquid separation module is fixedly installed with a first pipe 41 and a fourth pipe 45 equipped with valves via a multi-port connector.

[0072] The heat pump recovery module includes: a chassis 10, a heat pump body 11, a first air inlet pipe 12, and a first exhaust pipe 13;

[0073] The heat pump body 11 is fixedly installed in the inner cavity of the chassis 10. The first air intake pipe 12 is fixedly installed at the air intake end of the chassis 10, and the first air intake pipe 12 is connected to the first exhaust branch pipe 40 and the first pipe 41 through a multi-port connector. The first exhaust pipe 13 is fixedly installed at the air outlet end of the chassis 10, and the first exhaust pipe 13 is connected to the second pipe 42.

[0074] The gas-solid separation module includes: a filter box 20, a second air inlet pipe 21, a second exhaust pipe 22, a bidirectional fan 24, a support plate 25, filter holes 26, a square frame 27, a bearing plate 28, a connecting rod 29, a frustum column 291, a connecting plate 292, and an electric push rod 293.

[0075] The filter box 20 has a second air inlet pipe 21 fixedly installed at its air inlet end, and the second air inlet pipe 21 is connected to the second pipe 42 and the second exhaust branch pipe 43 via a multi-port connector. The filter box 20 has a second exhaust pipe 22 fixedly installed at its air outlet end, and the second exhaust pipe 22 is connected to the third pipe 44. The bidirectional fan 24 is fixedly installed on the left side of the inner cavity of the filter box 20. The support plate 25 is fixedly installed in the middle of the inner cavity of the filter box 20. The support plate 25 has several filter holes 26. A square frame 27 is slidably connected in the filter box 20 on the right side of the support plate 25. The square frame 27 has several bearing plates 28, and the two sets of bearing plates 28 are connected to each other. The frame 27 and the square frame 28 are fixedly connected by connecting rods 29. The frustum column 291 is fixedly installed on one side of the support plate 28, and one end of the frustum column 291 is inserted into the filter hole 26. Several connecting plates 292 are fixedly installed in the filter box 20 located on the right side of the square frame 27. The electric push rod 293 is fixedly installed on one side of the connecting plate 292, and the push rod of the electric push rod 293 is fixedly installed on the square frame 27. When it is necessary to adjust the filter hole accuracy, the square frame 27 can be moved by the electric push rod 293 until the distance between the filter hole 26 and the frustum column 291 reaches the required filtration accuracy. In addition, when the filter hole is blocked, the bidirectional fan 24 can be reversed to blow air into the filter hole.

[0076] The gas-liquid separation module includes: a cyclone separator 30, a third air inlet pipe 31, a drain pipe 32 with a valve thereon, and a third exhaust pipe 33;

[0077] The cyclone separator 30 has a third air inlet pipe 31 fixedly installed at its air inlet end, and the third air inlet pipe 31 is connected to the third pipe 44. The cyclone separator 30 has a drain pipe 32 fixedly installed at its drain end, and the cyclone separator 30 has a drain pipe 32 fixedly installed at its air outlet end, and the drain pipe 32 is connected to the first pipe 41 and the fourth pipe 45 through a tee connector.

[0078] A control system for a boiler tail-end waste gas separation device integrated with a heat pump, comprising the aforementioned boiler tail-end waste gas separation device integrated with a heat pump, please refer to [link to relevant documentation]. Figure 6 It also includes:

[0079] The operating condition perception module is used to identify operating condition characteristics by collecting multi-dimensional parameters of residual gas, combining boiler tonnage and scenario database, and determining the priority of processing needs.

[0080] The intelligent decision-making module receives parameter and priority data from the working condition sensing module. After standardized fusion processing, it matches the module configuration information to generate targeted control strategies, while also predicting potential faults and formulating contingency plans.

[0081] The collaborative control module is used to coordinate the joint execution of each unit based on the control strategy and fault plan of the intelligent decision module, and to collect and feed back operational data in real time.

[0082] The feedback optimization module is used to receive operational feedback data from the collaborative control module, compare the processing effect with the target threshold, and dynamically adjust the parameter thresholds and weight coefficients of the decision-making process.

[0083] The fault-tolerant module is used to quickly isolate the faulty module, activate the backup control logic, and simultaneously issue alarms and maintenance prompts based on the fault prediction results of the intelligent decision module.

[0084] Please see Figure 7 The working condition sensing module includes:

[0085] The residual gas parameter acquisition unit is used to detect SO2 and NO by means of a temperature sensor (measurement range -20℃ to 180℃), a humidity sensor (10% to 90% RH), a particulate matter concentration sensor (accuracy 0.1μm), and a component sensor (detecting SO2 and NO). X (For pollutants such as temperature, humidity, impurity concentration, and pollutant composition in the residual gas at the boiler tail end, the data sampling frequency is 10Hz.)

[0086] The boiler operating condition adaptation unit receives basic data from the waste gas parameter acquisition unit and, in conjunction with a preset boiler tonnage database (small ≤10t / h, medium 10-100t / h, large >100t / h) and an application scenario tag library (industrial high temperature and high humidity, heating low temperature and low dust, chemical high pollution, etc.), automatically identifies the current boiler type and operating condition characteristics. For example, when the waste gas temperature is ≥100℃, humidity is ≥70%, and particulate matter concentration is ≥50mg / m³, it is determined to be "high temperature and high pollution operating condition of industrial large boiler".

[0087] The demand priority determination unit is used to retrieve the scenario demand rule library based on the determination result of the boiler operating condition adaptation unit, determine the priority of waste gas treatment (energy recovery priority / deep purification priority / balanced mode), for example, the heating condition is determined as "energy recovery priority", the chemical condition is determined as "deep purification priority", and output the priority weight coefficient (0.1-1.0).

[0088] Please see Figure 8 The intelligent decision-making module includes:

[0089] The data fusion processing unit is used to perform data standardization processing through the Modbus-RTU protocol after receiving the priority weight of the demand priority determination unit and the real-time data of the residual gas parameter acquisition unit, to remove outliers (such as data outside the measurement range caused by sensor failure), and to calculate the comprehensive parameters of residual gas (such as heat recovery potential value = temperature × flow rate × weight coefficient, purification demand value = impurity concentration × component hazard coefficient × weight coefficient).

[0090] The control strategy generation unit is used to generate targeted control strategies based on the comprehensive parameters of the data fusion processing unit and the module configuration information of the modular architecture (the number of currently installed heat pump recovery modules, gas-solid separation modules, and gas-liquid separation modules).

[0091] Energy-saving and recovery priority operating conditions: increase the heat pump operating power (power = base power × heat energy recovery potential value / threshold), and reduce the filter speed of the gas-solid separation module (speed = base speed × (1 - weighting coefficient)).

[0092] Deep purification priority mode: Improve the filtration accuracy of the gas-solid separation module (accuracy = basic accuracy × purification requirement value / threshold), and reduce the heat pump operating power to the minimum value.

[0093] Balanced mode: The heat pump power and separation parameters are balanced using a 1:1 weighting coefficient;

[0094] The fault prediction unit is used to monitor the parameter fluctuations of the data fusion processing unit in real time. When the fluctuation of the residual gas parameter exceeds 30% (such as a sudden temperature rise of 50°C) or the module operating parameters deviate from the preset range (such as the heat pump current exceeding the rated value by 10%), it predicts potential faults (such as sensor failure or module blockage) and generates fault type labels and backup control plans.

[0095] Please see Figure 9 The collaborative control module includes:

[0096] The heat pump recovery control unit is used to control the heat pump recovery module after receiving the heat pump power command from the control strategy generation unit. This includes adjusting the heat pump compressor frequency and the heat exchanger valve opening, while simultaneously collecting heat pump outlet water temperature and heat exchange efficiency data and feeding them back to the data fusion processing unit. For example, in energy-saving priority mode, the compressor frequency is increased from 50Hz to 70Hz, and the valve opening is adjusted from 60% to 90%.

[0097] The gas-solid separation control unit is used to control the gas-solid separation module according to the filtration velocity and accuracy commands generated by the control strategy, such as adjusting the filter pore accuracy and reverse cleaning frequency of the gas-solid separation module, while collecting differential pressure and particulate matter removal rate data and feeding them back to the data fusion processing unit; under deep purification conditions, the cleaning frequency is shortened from 30s / time to 15s / time.

[0098] The gas-liquid separation control unit is used to adjust the gas-liquid separation module after receiving control strategy instructions, such as adjusting the opening of the condensate discharge valve and the pressure in the separation chamber, while collecting condensate recovery rate data and feeding it back to the data fusion processing unit; when the residual gas humidity is ≥80%, the valve opening is increased to 80% and the pressure in the separation chamber is maintained at 0.3MPa.

[0099] The module linkage coordination unit is used to establish a real-time data interaction channel between the heat pump recovery module, the gas-solid separation module, and the gas-liquid separation module to ensure coordinated operation. For example, when the heat pump recovery module increases its power, causing the residual gas temperature to drop by 10°C, the gas-solid separation module is automatically triggered to reduce its fan speed by 15% to prevent impurities from condensing and clogging the filter holes due to the temperature drop.

[0100] Please see Figure 10 The feedback optimization module includes:

[0101] The performance evaluation unit is used to compare the feedback data (heat recovery rate, particulate matter removal rate, condensate recovery rate, energy consumption value) received from each control unit with the preset target thresholds (such as heat recovery rate ≥85%, particulate matter removal rate ≥99.5%) and calculate the performance deviation value.

[0102] The strategy iteration unit is used to dynamically adjust the parameter thresholds and weight coefficients of the control strategy generation unit based on the deviation value of the operation effect evaluation unit. For example, when the heat recovery rate is lower than the target value by 5%, the energy saving priority weight coefficient is increased by 0.2, the heat pump base power is increased by 10%, and the control strategy library is updated to achieve closed-loop optimization of "perception-decision-execution-feedback".

[0103] Please see Figure 11 The fault-tolerant module includes:

[0104] The fault isolation unit is used to immediately cut off the control signal interaction between the faulty module and other modules after receiving the fault tag from the fault prediction unit. For example, when the sensor of the gas-solid separation module fails, the control channel of the module is isolated to prevent erroneous commands from affecting the operation of the heat pump and the gas-liquid separation module.

[0105] The backup control unit is used to call the backup plan of the fault prediction unit and start the emergency control logic; for example, when the sensor fails, it switches to the historical data fitting calculation mode and generates control commands based on the average residual gas parameters of the past 5 minutes; when the module is blocked, it starts the backflush emergency procedure.

[0106] The alarm and maintenance unit is used to issue fault alarm signals (audible and visual alarms + remote platform push), display the fault module, fault type and handling suggestions, and record the fault time and operating parameters to provide data support for maintenance; at the same time, after the fault is resolved, it automatically switches back to normal control mode without manual restart.

[0107] In practical use, the specific steps are as follows:

[0108] S1, Operating Condition Awareness: By collecting multi-dimensional parameters of residual gas and combining boiler tonnage and scenario database, operating condition characteristics are identified and the priority of processing needs is determined.

[0109] S2, Intelligent Decision-Making: It receives the parameter and priority data from the working condition perception module, and after standardized fusion processing, it matches the module configuration information to generate targeted control strategies, while predicting potential faults and formulating contingency plans.

[0110] S3, Collaborative Control: Based on the control strategy and fault contingency plan of the intelligent decision-making module, coordinate the joint execution of each unit, and collect and feed back operational data in real time;

[0111] S4, Feedback Optimization: Receives operational feedback data from the collaborative control module, compares it with the target threshold to evaluate the processing effect, and dynamically adjusts the parameter thresholds and weight coefficients of the decision-making process.

[0112] S5, Fault Tolerance: Based on the fault prediction results of the intelligent decision-making module, quickly isolate the faulty module, start the backup control logic, and simultaneously issue alarms and maintenance prompts.

[0113] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the invention. In particular, as long as there is no structural conflict, the features in the disclosed embodiments can be combined with each other in any manner. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A control system for a boiler tail gas separation device combined with a heat pump, characterized in that, Also includes: The operating condition perception module is used to identify operating condition characteristics by collecting multi-dimensional parameters of residual gas, combining boiler tonnage and scenario database, and determining the priority of processing needs. The intelligent decision-making module receives parameter and priority data from the working condition sensing module. After standardized fusion processing, it matches the module configuration information to generate targeted control strategies, while also predicting potential faults and formulating contingency plans. The collaborative control module is used to coordinate the joint execution of each unit based on the control strategy and fault plan of the intelligent decision module, and to collect and feed back operational data in real time. The feedback optimization module is used to receive operational feedback data from the collaborative control module, compare the processing effect with the target threshold, and dynamically adjust the parameter thresholds and weight coefficients of the decision-making process. The fault tolerance module is used to quickly isolate the faulty module, activate the backup control logic, and simultaneously issue alarms and maintenance prompts based on the fault prediction results of the intelligent decision module. The intelligent decision-making module includes: The data fusion processing unit is used to perform data standardization processing through the Modbus-RTU protocol after receiving the priority weight of the demand priority determination unit and the real-time data of the residual gas parameter acquisition unit, to remove outliers, and to calculate the comprehensive residual gas parameters. The comprehensive parameters of the residual gas are: heat energy recovery potential value and purification requirement value; Heat recovery potential value = temperature × flow rate × weighting coefficient; Purification requirement value = impurity concentration × component hazard coefficient × weighting coefficient; The control strategy generation unit is used to generate targeted control strategies based on the comprehensive parameters of the data fusion processing unit and the module configuration information of the modular architecture. The fault prediction unit is used to monitor the parameter fluctuations of the data fusion processing unit in real time. When the fluctuation of the residual gas parameter exceeds 30% or the module operating parameters deviate from the preset range, it predicts potential faults and generates fault type labels and backup control plans.

2. The control system for a boiler tail gas separation device combined with a heat pump according to claim 1, characterized in that, The operating condition sensing module includes: The residual gas parameter acquisition unit is used to collect multi-dimensional basic data of the residual gas at the tail end of the boiler. The boiler operating condition adaptation unit is used to receive basic data from the residual gas parameter acquisition unit, and automatically identify the current boiler type and operating condition characteristics by combining the preset boiler tonnage database and application scenario tag library. The demand priority determination unit is used to retrieve the scenario demand rule library based on the determination result of the boiler operating condition adaptation unit to determine the priority of residual gas treatment.

3. The control system for a boiler tail gas separation device combined with a heat pump according to claim 1, characterized in that, The collaborative control module includes: The heat pump recovery control unit is used to control the heat pump recovery module after receiving the heat pump power command from the control strategy generation unit. The gas-solid separation control unit is used to control the gas-solid separation module according to the filtration speed and accuracy commands generated by the control strategy; The gas-liquid separation control unit is used to adjust the gas-liquid separation module after receiving control strategy commands; The module linkage coordination unit is used to establish a real-time data exchange channel between the heat pump recovery module, the gas-solid separation module, and the gas-liquid separation module to ensure coordinated operation.

4. The control system for a boiler tail gas separation device combined with a heat pump according to claim 1, characterized in that, The feedback optimization module includes: The performance evaluation unit is used to compare the feedback data received from each control unit with the preset target threshold and calculate the performance deviation value. The strategy iteration unit is used to dynamically adjust the parameter thresholds and weight coefficients of the control strategy generation unit based on the deviation value of the performance evaluation unit.

5. The control system for a boiler tail gas separation device combined with a heat pump according to claim 1, characterized in that, The fault-tolerant module includes: The fault isolation unit is used to immediately cut off the control signal interaction between the fault module and other modules after receiving the fault tag from the fault prediction unit. The backup control unit is used to call up the backup plan of the fault prediction unit and start the emergency control logic; The alarm and maintenance unit is used to issue fault alarm signals, display the fault module, fault type and handling suggestions, and record the fault time and operating parameters.

6. A boiler tail-end waste gas separation device combined with a heat pump, comprising the control system of the boiler tail-end waste gas separation device combined with a heat pump as described in any one of claims 1-5, specifically comprising: The heat pump recovery module, the gas-solid separation module, and the gas-liquid separation module are arranged in sequence. The heat pump recovery module has a first exhaust gas branch pipe (40) and a first pipe (41) with valves fixedly installed at its inlet end via a multi-port connector. The heat pump recovery module has a second pipe (42) with valves fixedly installed at its exhaust end. The gas-solid separation module has a second pipe (42) and a second exhaust gas branch pipe (43) with valves fixedly installed at its inlet end via a multi-port connector. The gas-solid separation module has an exhaust end that is fixedly connected to the gas-liquid separation module's inlet end via a third pipe (44). The gas-liquid separation module has a first pipe (41) and a fourth pipe (45) with valves fixedly installed at its exhaust end via a multi-port connector.

7. A boiler tail gas separation device combined with a heat pump according to claim 6, characterized in that, The heat pump recovery module includes: A chassis (10) is provided, and the heat pump body (11) is fixedly installed in the inner cavity of the chassis (10). The first air intake pipe (12) is fixedly installed at the air intake end of the chassis (10), and the first air intake pipe (12) is connected to the first exhaust branch pipe (40) and the first pipe (41) through a multi-port connector; The first exhaust pipe (13) is fixedly installed at the exhaust end of the chassis (10), and the first exhaust pipe (13) is connected to the second pipe (42).

8. A boiler tail gas separation device combined with a heat pump according to claim 6, characterized in that, The gas-solid separation module includes: Filter box (20); The second air intake pipe (21) is fixedly installed at the air intake end of the filter box (20), and the second air intake pipe (21) is connected to the second pipe (42) and the second exhaust branch pipe (43) through a multi-port connector; The second exhaust pipe (22) is fixedly installed at the outlet end of the filter box (20), and the second exhaust pipe (22) is connected to the third pipe (44); A bidirectional fan (24) is fixedly installed on the left side of the inner cavity of the filter box (20); A support plate (25) is fixedly installed in the middle of the inner cavity of the filter box (20); Filter holes (26), a plurality of filter holes (26) are provided on the support plate (25); The frame (27) is slidably connected in the filter box (20) located on the right side of the support plate (25); The frame (27) is provided with a plurality of support plates (28), and the two sets of support plates (28) are fixedly connected to each other and to each other by connecting rods (29); A frustum column (291) is fixedly installed on one side of the support plate (28), and one end of the frustum column (291) is inserted into the filter hole (26); Connecting plates (292) are fixedly installed in the filter box (20) on the right side of the frame (27). An electric push rod (293) is fixedly installed on one side of a connecting plate (292), and the push rod of the electric push rod (293) is fixedly installed in a frame (27).

9. A boiler tail gas separation device combined with a heat pump according to claim 6, characterized in that, The gas-liquid separation module includes: Cyclone separator (30); The third air inlet pipe (31) is fixedly installed at the air inlet end of the cyclone separator (30), and the third air inlet pipe (31) is connected to the third pipe (44); The drain pipe (32) with a valve is fixedly installed at the drain end of the cyclone separator (30). The third exhaust pipe (33) has a drain pipe (32) fixedly installed at the outlet end of the cyclone separator (30), and the drain pipe (32) is connected to the first pipe (41) and the fourth pipe (45) through a three-way connector.

Citation Information

Patent Citations

  • On-line regulation and control system and method for regulating flue gas waste heat recovery amount of wide-channel plate-type low-temperature economizer

    CN119436105A

  • Flue gas waste heat recovery variable load working condition self-adaptive control method and system

    CN120891755A

  • Chemical filter device of adjustable filtration pore size

    CN206896927U

  • Flue gas waste heat utilization device

    CN219735428U