Intelligent wet dust removal system and method

Abstract

The invention discloses an intelligent wet dust removal system and method. The application method of the intelligent wet dust removal system comprises the following steps: detecting the flue gas flow velocity and / or the smoke dust concentration through the flow velocity and dust measuring device; generating a control instruction through the flue gas flow rate and / or the smoke dust concentration; and controlling the blade group to rotate according to the control instruction, and controlling the wet-type electric dust remover to operate. According to the invention, the technical effect of improving the operation stability and the operation efficiency of the wet-type electric precipitation system can be achieved.

Description

Technical Field

[0001] The present invention relates to the field of electric power technology application, and in particular to an intelligent wet dust removal system and method. Background Art

[0002] Thermal power units are still the ballast of my country's electricity supply, playing a key role in ensuring supply and regulating supply. With the changes in the electricity supply market, the load regulation capability of thermal power companies has become increasingly important. The proportion of extremely low-load and full-load operating conditions has increased sharply, which has put higher requirements on the energy-saving and efficient operation capabilities of equipment such as wet electrostatic precipitators.

[0003] At present, most of the existing thermal power units use wet electrostatic precipitator technology in the flue gas purification device at the tail flue, and the wet electrostatic precipitator is the last set of equipment in the flue gas treatment system. In actual operating conditions, the operating parameters of the wet electrostatic precipitator vary slightly with the unit load. The amount of fine particles in the flue gas under low load conditions is low, and the energy efficiency of the wet electrostatic precipitator is low. The amount of fine particles in the flue gas under full load conditions is high, and the operating pressure of the wet electrostatic precipitator is high.

[0004] Currently, no effective solution has been proposed to address the problem that the wet electrostatic precipitator technology used in the flue gas purification device at the tail flue of the existing thermal power unit cannot effectively remove dust, resulting in high operating pressure and low dust removal efficiency of the wet electrostatic precipitator. Summary of the invention

[0005] In order to solve the above-mentioned technical problems, the embodiments of the present invention hope to provide an intelligent wet dust removal system and method, so as to at least solve the problem that the existing flue gas purification device at the tail flue of the thermal power unit adopts wet electrostatic precipitator technology and cannot effectively remove dust, resulting in high operating pressure and low dust removal efficiency of the wet electrostatic precipitator.

[0006] The technical solution of the present invention is achieved in this way:

[0007] An embodiment of the present invention provides an intelligent wet dust removal system, which is applied to a scenario where flow field drive and electric field drive are combined under all working conditions, including: a cathode line, a polygonal annular anode plate, a blade group, a flow rate and dust measuring device and a control computer system, wherein the flow rate and dust measuring device is used to detect the flue gas flow rate and / or smoke dust concentration, and transmit the flue gas flow rate and / or smoke dust concentration to the control computer system; the control computer system is connected to the flow rate and dust measuring device, and is used to generate a control instruction according to the flue gas flow rate and / or smoke dust concentration, control the rotation of the blade group according to the control instruction, and control the operation of the wet electrostatic precipitator; the blade group includes: a dynamic guide blade, an insulating protection tube at the root of the guide blade, a reserved flue gas channel in the radial section of the guide blade, a dynamic guide blade adjustment rod, a dynamic guide blade adjustment spiral device and a blade adjustment linkage Actuator, wherein the blade adjustment linkage actuator is connected to the dynamic guide vane adjustment rod, and is used to drive the dynamic guide vane adjustment rod to rotate according to the controlled instruction; the dynamic guide vane adjustment rod is connected to the dynamic guide vane and the dynamic guide vane adjustment spiral device, and is used to drive the dynamic guide vane adjustment spiral device to adjust the angle of the dynamic guide vane by rotating the dynamic guide vane adjustment rod; the dynamic guide vane is placed in the polygonal annular anode plate, the dynamic guide vane is located at the axis of the polygonal annular anode plate, the cathode line axially passes through the guide vane root insulation protection tube of the dynamic guide vane, and a reserved flue gas channel of the guide vane radial section is formed between the polygonal annular anode plate and the dynamic guide vane; the dynamic guide vane adjustment rod, the dynamic guide vane adjustment spiral device, the cathode line and the guide vane root insulation protection tube are coaxial.

[0008] Optionally, the control computer system is also used to adjust the angle of the dynamic guide vane to the maximum swirl angle by controlling the blade group when the flow rate and dust measuring device detects that the flue gas flow rate is greater than a first threshold and the smoke concentration is greater than a second threshold, and adjust the angle of the dynamic guide vane according to the real-time detected flue gas flow rate and smoke concentration.

[0009] Further, optionally, the control computer system is also used to adjust the angle of the dynamic guide vane to the second swirl angle by controlling the blade group when it is detected through the flow rate and dust measuring device that the flue gas flow rate is greater than a first threshold and the smoke dust concentration is less than a second threshold, or that the flue gas flow rate is less than the first threshold and the smoke dust concentration is greater than the second threshold, and at the same time correspondingly reduce the output of the wet electrostatic precipitator, wherein the second swirl angle is less than the maximum swirl angle.

[0010] Optionally, the control computer system is also used to control the blade group to adjust the angle of the dynamic guide vane when the flow rate and dust measuring device detects that the flue gas flow rate is less than a first threshold value and the smoke dust concentration is less than a second threshold value, so as to control the wet electrostatic precipitator to stop operating while ensuring that the dust concentration in the outlet chimney meets the emission standards.

[0011] An embodiment of the present invention provides an application method of an intelligent wet dust removal system, which is applied to the above-mentioned intelligent wet dust removal system, including: detecting the flue gas flow rate and / or the smoke dust concentration through a flow rate and dust measuring device; generating a control instruction through the flue gas flow rate and / or the smoke dust concentration; controlling the rotation of the blade group according to the control instruction, and controlling the operation of the wet electrostatic precipitator.

[0012] Optionally, controlling the rotation of the blade group according to a control instruction and controlling the operation of the wet electrostatic precipitator includes: when the flow rate and dust measuring device detects that the flue gas flow rate is greater than a first threshold and the smoke concentration is greater than a second threshold, adjusting the angle of the dynamic guide vane to the maximum swirl angle by controlling the blade group, and adjusting the angle of the dynamic guide vane according to the real-time detected flue gas flow rate and smoke concentration.

[0013] Further, optionally, controlling the rotation of the blade group according to the control instruction and controlling the operation of the wet electrostatic precipitator includes: when the flow rate and dust measuring device detects that the flue gas flow rate is greater than a first threshold value and the smoke concentration is less than a second threshold value, or the flue gas flow rate is less than the first threshold value and the smoke concentration is greater than the second threshold value, adjusting the angle of the dynamic guide vane to a second swirl angle by controlling the blade group, and correspondingly reducing the output of the wet electrostatic precipitator, wherein the second swirl angle is less than the maximum swirl angle.

[0014] Optionally, the rotation of the blade group is controlled according to the control instructions, and the operation of the wet electrostatic precipitator is controlled, including: when the flow rate and dust measuring device detects that the flue gas flow rate is less than a first threshold value and the smoke dust concentration is less than a second threshold value, the angle of the dynamic guide vane is adjusted accordingly by controlling the blade group, and the wet electrostatic precipitator is controlled to stop operating while ensuring that the dust concentration at the outlet chimney meets the emission standards.

[0015] The embodiment of the present invention provides an intelligent wet dust removal system and method, which detects the flue gas flow rate and / or smoke dust concentration through a flow rate and dust measuring device; generates control instructions through the flue gas flow rate and / or smoke dust concentration; controls the rotation of the blade group according to the control instructions, and controls the operation of the wet electrostatic precipitator, thereby achieving the technical effect of improving the operating stability and operating efficiency of the wet electrostatic precipitator system. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 A schematic diagram of an intelligent wet dust removal system provided by an embodiment of the present invention;

[0018] Figure 2 A schematic diagram of a polygonal annular anode plate in an intelligent wet dust removal system provided by an embodiment of the present invention;

[0019] Figure 3 A schematic diagram of the positional relationship between a polygonal annular anode plate and a dynamic guide vane, an insulating protection tube at the root of the guide vane, and a reserved flue gas channel in a radial section of the guide vane in an intelligent wet dust removal system provided by an embodiment of the present invention;

[0020] Figure 4 A schematic diagram of the positional relationship between a polygonal annular anode plate and dynamic guide vanes, an insulating protection tube at the root of the guide vanes, and a reserved flue gas channel in a radial section of the guide vanes in another intelligent wet dust removal system provided by an embodiment of the present invention;

[0021] Figure 5 A schematic diagram of the positional relationship between a cathode line and a dynamic guide vane, an insulating protection tube at the root of a guide vane, and a dynamic guide vane adjusting rod in an intelligent wet dust removal system provided by an embodiment of the present invention;

[0022] Figure 6 A schematic diagram of the positional relationship between a cathode line and a dynamic guide vane, an insulating protection tube at the root of a guide vane, a dynamic guide vane adjustment rod, and a dynamic guide vane adjustment spiral device in an intelligent wet dust removal system provided by an embodiment of the present invention;

[0023] Figure 7 A schematic flow chart of an application method of an intelligent wet dust removal system provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0025] It should be noted that the terms "first", "second" and the like in the specification, claims and drawings of the present invention are used to distinguish different objects rather than to limit a specific order.

[0026] It should also be noted that the following embodiments of the present invention may be executed separately, or in combination with each other, and the embodiments of the present invention do not impose any specific limitations on this.

[0027] The embodiment of the present invention provides an intelligent wet dust removal system, which is applied to the scenario of combining flow field drive and electric field drive in all working conditions. Figure 1 A schematic diagram of an intelligent wet dust removal system provided by an embodiment of the present invention; Figure 1As shown, the intelligent wet dust removal system provided in the embodiment of the present application includes:

[0028] A cathode line (1), a polygonal annular anode plate (2), a blade group (3), a flow rate and dust measuring device (4) and a control computer system (5), wherein the flow rate and dust measuring device (4) is used to detect the flue gas flow rate and / or the smoke dust concentration, and transmit the flue gas flow rate and / or the smoke dust concentration to the control computer system (5); the control computer system (5) is connected to the flow rate and dust measuring device (4), and is used to generate a control instruction according to the flue gas flow rate and / or the smoke dust concentration, and control the rotation of the blade group (3) according to the control instruction, and control the operation of the wet electrostatic precipitator; the blade group (3) includes: a dynamic guide blade (31), an insulating protection tube (32) at the root of the guide blade, a flue gas channel reserved in the radial section of the guide blade (33), a dynamic guide blade adjustment rod (34), a dynamic guide blade adjustment spiral device (35) and a blade adjustment linkage actuator (36), wherein the blade adjustment linkage actuator (36) is connected to the dynamic guide blade (31) adjustment rod The invention relates to a novel anode plate (2) and a dynamic guide vane adjusting rod (34) for driving the dynamic guide vane adjusting rod (34) to rotate according to a control instruction; the dynamic guide vane adjusting rod (34) is connected to the dynamic guide vane (31) and the dynamic guide vane adjusting screw device (35) and is used to drive the dynamic guide vane adjusting screw device (35) to adjust the angle of the dynamic guide vane (31) by rotating the dynamic guide vane adjusting rod (34); the dynamic guide vane (31) is placed in the polygonal annular anode plate (2), the dynamic guide vane (31) is located at the axis of the polygonal annular anode plate (2), the cathode line (1) passes through the guide vane root insulation protection tube (32) of the dynamic guide vane (31) along the axial direction, and a reserved flue gas channel (33) of the radial cross section of the guide vane is formed between the polygonal annular anode plate (2) and the dynamic guide vane (31); the dynamic guide vane adjusting rod (34), the dynamic guide vane adjusting screw device (35), the cathode line (1) and the guide vane root insulation protection tube (32) are coaxial.

[0029] Specifically, Figure 1 As shown, the intelligent wet dust removal system provided in the embodiment of the present application is an intelligent wet dust removal system that combines flow field drive and electric field drive and is suitable for all working conditions. The intelligent wet dust removal system provided in the embodiment of the present application is an advanced cyclone separation system with intelligent measurement and control, multi-stage arrangement, and dynamic adjustment installed in the wet electrostatic precipitator. The flow field drive generated by the centrifugal force of the cyclone device is used to drive the dust droplets and fine particles in the flue gas to move toward the radial distal end of the flue gas channel. In addition, the electric field drive effect under the action of the electric field force during the axial movement effectively improves the capture efficiency of fine particles. At the same time, the intelligent measurement and control technology is used to appropriately adjust the operation mode of the dynamic guide vane according to different operating conditions, and at the same time, the output of the wet electrostatic precipitator is intelligently controlled to achieve the purpose of energy-saving, efficient and stable operation of the system.

[0030] In the embodiment of the present application, the dynamic guide vane (31), the guide vane root insulation protection tube (32), the guide vane radial section reserved flue gas channel (33) and the dynamic guide vane adjustment spiral device (35) are located inside the polygonal annular anode plate (2). Figure 1 Not shown in;

[0031] Figure 2 A schematic diagram of a polygonal annular anode plate in an intelligent wet dust removal system provided by an embodiment of the present invention; Figure 2 As shown, the polygonal annular anode plate (2) is a hexagonal annular anode plate in the embodiment of the present application;

[0032] Figure 3 A schematic diagram of the positional relationship between a polygonal annular anode plate and a dynamic guide vane, an insulating protection tube at the root of the guide vane, and a reserved flue gas channel in a radial section of the guide vane in an intelligent wet dust removal system provided by an embodiment of the present invention, Figure 4 A schematic diagram of the positional relationship between a polygonal annular anode plate and dynamic guide vanes, an insulating protection tube at the root of the guide vanes, and a reserved flue gas channel in a radial section of the guide vanes in another intelligent wet dust removal system provided by an embodiment of the present invention, as shown in FIG. Figure 3 and Figure 4 As shown, the root of the dynamic guide vane (31) is fixed to the cathode line (1) through an insulating material (the guide vane root insulating protection tube (32) in the embodiment of the present application); wherein the dynamic guide vane (31) is made of insulating material;

[0033] Figure 5 A schematic diagram of the positional relationship between a cathode line and a dynamic guide vane, an insulating protection tube at the root of the guide vane, and a dynamic guide vane adjusting rod in an intelligent wet dust removal system provided by an embodiment of the present invention, Figure 6 A schematic diagram of the positional relationship between the cathode line and the dynamic guide vane, the guide vane root insulation protection tube, the dynamic guide vane adjustment rod and the dynamic guide vane adjustment spiral device in an intelligent wet dust removal system provided by an embodiment of the present invention, such as Figure 5 He Ru Figure 6 As shown, the root center axis of the dynamic guide vane (31) is connected to the dynamic guide vane adjustment screw device (35) at the center of the polygonal annular anode plate (2) to facilitate the adjustment of the blade angle;

[0034] It should be noted that in the embodiment of the present application, the dynamic guide vanes (31) can be arranged in multiple stages along the cathode line (2) according to the operating conditions.

[0035] Optionally, the control computer system (5) is also used to adjust the angle of the dynamic guide vane (31) to the maximum swirl angle by controlling the blade group (3) when the flow rate and dust measuring device (4) detects that the flue gas flow rate is greater than a first threshold value and the smoke dust concentration is greater than a second threshold value, and adjust the angle of the dynamic guide vane (31) according to the real-time detected flue gas flow rate and smoke dust concentration.

[0036] Furthermore, optionally, the control computer system (5) is also used to adjust the angle of the dynamic guide vane (31) to the second swirl angle by controlling the blade group (3), and correspondingly reduce the output of the wet electrostatic precipitator, when the flow rate and dust measuring device (4) detects that the flue gas flow rate is greater than a first threshold value and the smoke dust concentration is less than a second threshold value, or that the flue gas flow rate is less than the first threshold value and the smoke dust concentration is greater than the second threshold value, wherein the second swirl angle is less than the maximum swirl angle.

[0037] Optionally, the control computer system (5) is also used to control the blade group (3) to adjust the angle of the dynamic guide blade (31) when the flow rate and dust measuring device (4) detects that the flue gas flow rate is less than a first threshold value and the smoke dust concentration is less than a second threshold value, so as to control the wet electrostatic precipitator to stop operating while ensuring that the dust concentration at the outlet chimney meets the emission standards.

[0038] In summary, when the flue gas flow rate is high under high-load operation conditions of the unit, the intelligent wet dust removal system provided in the embodiment of the present application adjusts the angle of the guide vanes to ensure that the flue gas flow rate of the flue gas channel (33) reserved in the radial section of the guide vanes is within a reasonable range, while avoiding the occurrence of strong vortex areas behind the guide vanes that affect the operation effect of the wet electrostatic precipitator; under low-load conditions, the angle of the guide vanes is adjusted to ensure the efficiency of the cyclone dust removal device, and the output of the electrostatic precipitator is appropriately reduced, and even the wet electrostatic precipitator can be considered to be shut down, thereby achieving energy-saving and efficient operation.

[0039] ① High flue gas flow rate + high smoke dust concentration working condition (i.e., in the embodiment of the present application, when the flow rate and dust measuring device (4) detects that the flue gas flow rate is greater than the first threshold and the smoke dust concentration is greater than the second threshold), the dynamic blade is adjusted to the maximum swirl angle and the blade angle is optimized in real time according to the dust detection result, so as to improve the dust removal ability and the energy-saving and stable operation of the system.

[0040] ② High flue gas flow rate + low smoke dust concentration operating conditions (i.e., the flue gas flow rate in the embodiment of the present application is greater than the first threshold and the smoke dust concentration is less than the second threshold), low flue gas flow rate + high smoke dust concentration operating conditions (i.e., the flue gas flow rate in the embodiment of the present application is less than the first threshold and the smoke dust concentration is greater than the second threshold), the dynamic blades are adjusted to a larger swirl angle (i.e., the second swirl angle in the embodiment of the present application), and the output power of the wet electrostatic precipitator is appropriately reduced to ensure efficient dust removal and energy-saving and stable operation of the system.

[0041] ③ Low flue gas flow rate + low smoke dust concentration working condition (that is, the flue gas flow rate in the embodiment of the present application is less than the first threshold, and the smoke dust concentration is less than the second threshold), the dynamic blade angle is adjusted in real time according to the measurement results, and an attempt is made to stop the operation of the wet electrostatic precipitator while ensuring that the dust concentration in the outlet chimney meets the emission standards to achieve the goal of energy saving and consumption reduction.

[0042] ④ Effectively reduce the system resistance caused by the blades by properly adjusting the blade angle.

[0043] The intelligent wet dust removal system provided in the embodiment of the present application addresses the problem of low low-load energy utilization in traditional wet electrostatic precipitators. It utilizes an advanced cyclone separator with intelligent measurement and control, multi-stage arrangement, and dynamic adjustment to implement a dust removal method that combines flow field drive and electric field drive to improve dust removal efficiency.

[0044] An embodiment of the present invention provides an intelligent wet dust removal system, which detects the flue gas flow rate and / or smoke dust concentration through a flow rate and dust measuring device; generates control instructions based on the flue gas flow rate and / or smoke dust concentration; controls the rotation of the blade group according to the control instructions, and controls the operation of the wet electrostatic precipitator, thereby achieving the technical effect of improving the operating stability and operating efficiency of the wet electrostatic precipitator system.

[0045] The embodiment of the present invention provides an application method of an intelligent wet dust removal system. Figure 7 A schematic diagram of a flow chart of an application method of an intelligent wet dust removal system provided by an embodiment of the present invention; Figure 7 As shown, the application method of the intelligent wet dust removal system provided in the embodiment of the present application includes:

[0046] Step S702, detecting the flue gas flow rate and / or the smoke dust concentration by means of a flow rate and dust measuring device;

[0047] Step S704, generating a control instruction according to the flue gas flow rate and / or smoke concentration;

[0048] Step S706, controlling the rotation of the blade assembly according to the control instruction, and controlling the operation of the wet electrostatic precipitator.

[0049] Optionally, in step S706, the rotation of the blade group is controlled according to the control instruction, and the operation of the wet electrostatic precipitator is controlled, including: when the flow rate and dust measuring device detects that the flue gas flow rate is greater than a first threshold and the smoke concentration is greater than a second threshold, the angle of the dynamic guide vane is adjusted to the maximum swirl angle by controlling the blade group, and the angle of the dynamic guide vane is adjusted according to the real-time detected flue gas flow rate and smoke concentration.

[0050] Further, optionally, in step S706, the rotation of the blade group is controlled according to the control instruction, and the operation of the wet electrostatic precipitator is controlled, including: when the flow rate and dust measuring device detects that the flue gas flow rate is greater than a first threshold and the smoke concentration is less than a second threshold, or the flue gas flow rate is less than the first threshold and the smoke concentration is greater than the second threshold, the angle of the dynamic guide vane is adjusted to a second swirl angle by controlling the blade group, and the output of the wet electrostatic precipitator is correspondingly reduced, wherein the second swirl angle is less than the maximum swirl angle.

[0051] Optionally, in step S706, the rotation of the blade group is controlled according to the control instruction, and the operation of the wet electrostatic precipitator is controlled, including: when the flow rate and dust measuring device detects that the flue gas flow rate is less than a first threshold value and the smoke dust concentration is less than a second threshold value, the angle of the dynamic guide vane is adjusted accordingly by controlling the blade group to control the wet electrostatic precipitator to stop operating while ensuring that the dust concentration at the outlet chimney meets the emission standards.

[0052] An embodiment of the present invention provides an application method of an intelligent wet dust removal system, which detects the flue gas flow rate and / or smoke dust concentration through a flow rate and dust measuring device; generates a control instruction through the flue gas flow rate and / or smoke dust concentration; controls the rotation of the blade group according to the control instruction, and controls the operation of the wet electrostatic precipitator, thereby achieving the technical effect of improving the operating stability and operating efficiency of the wet electrostatic precipitator system.

[0053] The above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention.

Claims

1. An intelligent wet dust removal system, characterized in that: Scenarios that combine flow field drive and electric field drive for all working conditions include: A cathode line (1), a polygonal annular anode plate (2), a blade assembly (3), a flow rate and dust measuring device (4) and a control computer system (5), wherein: The flow rate and dust measuring device (4) is used to detect the flue gas flow rate and / or the smoke dust concentration, and transmit the flue gas flow rate and / or the smoke dust concentration to the control computer system (5); The control computer system (5) is connected to the flow rate and dust measuring device (4) and is used to generate a control instruction according to the flue gas flow rate and / or the flue gas concentration, control the rotation of the blade group according to the control instruction, and control the operation of the wet electrostatic precipitator; The blade group (3) comprises: a dynamic guide blade (31), an insulating protection tube at the root of the guide blade (32), a reserved flue gas channel in the radial section of the guide blade (33), a dynamic guide blade adjustment rod (34), a dynamic guide blade adjustment screw device (35) and a blade adjustment linkage actuator (36), wherein: The blade adjustment linkage actuator (36) is connected to the dynamic guide blade adjustment rod (34) and is used to drive the dynamic guide blade adjustment rod (34) to rotate according to a control instruction; The dynamic guide vane adjustment rod (34) is connected to the dynamic guide vane (31) and the dynamic guide vane adjustment screw device (35), and is used to drive the dynamic guide vane adjustment screw device (35) to adjust the angle of the dynamic guide vane (31) by rotating the dynamic guide vane adjustment rod (34); The dynamic guide vane (31) is placed in the polygonal annular anode plate (2), the dynamic guide vane (31) is located at the axis of the polygonal annular anode plate (2), the cathode line (1) passes through the guide vane root insulation protection tube (32) of the dynamic guide vane (31) in the axial direction, and a flue gas channel (33) reserved in the radial cross section of the guide vane is formed between the polygonal annular anode plate (2) and the dynamic guide vane (31); The dynamic guide vane adjustment rod (34), the dynamic guide vane adjustment screw device (35), the cathode wire (1) and the guide vane root insulation protection tube (32) are coaxial.

2. The intelligent wet dust removal system according to claim 1, characterized in that: The control computer system (5) is also used to adjust the angle of the dynamic guide vane (31) to a maximum swirl angle by controlling the blade group (3) when the flow rate and dust measuring device (4) detects that the flue gas flow rate is greater than a first threshold value and the smoke dust concentration is greater than a second threshold value, and adjust the angle of the dynamic guide vane (31) according to the flue gas flow rate and smoke dust concentration detected in real time.

3. The intelligent wet dust removal system according to claim 2 is characterized in that: The control computer system (5) is also used to adjust the angle of the dynamic guide vane (31) to the second swirl angle by controlling the blade group (3), and correspondingly reduce the output of the wet electrostatic precipitator when the flow rate and dust measuring device (4) detects that the flue gas flow rate is greater than the first threshold value and the smoke dust concentration is less than the second threshold value, or that the flue gas flow rate is less than the first threshold value and the smoke dust concentration is greater than the second threshold value, wherein the second swirl angle is less than the maximum swirl angle.

4. The intelligent wet dust removal system according to claim 1, characterized in that: The control computer system (5) is also used to control the blade group (3) to adjust the angle of the dynamic guide blade (31) when the flow rate and dust measuring device (4) detects that the flue gas flow rate is less than a first threshold value and the smoke dust concentration is less than a second threshold value, so as to control the wet electrostatic precipitator to stop operating while ensuring that the dust concentration at the outlet chimney meets the emission standard.

5. An application method of an intelligent wet dust removal system, characterized in that: The intelligent wet dust removal system according to any one of claims 1 to 4 comprises: Detecting flue gas flow rate and / or smoke dust concentration by means of flow rate and dust measuring devices; Generate a control instruction according to the flue gas flow rate and / or the smoke dust concentration; The blade group is controlled to rotate according to the control instruction, and the operation of the wet electrostatic precipitator is controlled.

6. The application method of the intelligent wet dust removal system according to claim 5, characterized in that: The step of controlling the rotation of the blade assembly according to the control instruction and controlling the operation of the wet electrostatic precipitator comprises: When the flow rate and dust measuring device detects that the flue gas flow rate is greater than a first threshold value and the smoke concentration is greater than a second threshold value, the angle of the dynamic guide vane is adjusted to the maximum swirl angle by controlling the blade group, and the angle of the dynamic guide vane is adjusted according to the real-time detected flue gas flow rate and smoke concentration.

7. The application method of the intelligent wet dust removal system according to claim 6, characterized in that: The step of controlling the rotation of the blade assembly according to the control instruction and controlling the operation of the wet electrostatic precipitator comprises: When the flow rate and dust measuring device detects that the flue gas flow rate is greater than the first threshold and the smoke dust concentration is less than the second threshold, or the flue gas flow rate is less than the first threshold and the smoke dust concentration is greater than the second threshold, the angle of the dynamic guide vane is adjusted to the second swirl angle by controlling the blade group, and the output of the wet electrostatic precipitator is correspondingly reduced, wherein the second swirl angle is less than the maximum swirl angle.

8. The application method of the intelligent wet dust removal system according to claim 5, characterized in that: The step of controlling the rotation of the blade assembly according to the control instruction and controlling the operation of the wet electrostatic precipitator comprises: When the flow rate and dust measuring device detects that the flue gas flow rate is less than a first threshold value and the smoke dust concentration is less than a second threshold value, the blade group is controlled to adjust the angle of the dynamic guide vane accordingly, and the wet electrostatic precipitator is controlled to stop operating while ensuring that the dust concentration in the outlet chimney meets the emission standards.

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