Automatic load adjustment system for rotary atomizing drying tower

Abstract

This utility model relates to the technical field of gas-liquid separation devices, specifically, to an automatic load adjustment system for a rotary atomizing dryer. It includes a separation component for introducing low-temperature steam to be separated. A drive component is installed at the bottom of the separation component, and an outlet component is connected to the top of the separation component. The separation component is used for preliminary separation of different phases in the low-temperature steam. The direction in which the low-temperature steam enters the separation component is perpendicular to its axis. The drive component generates an upward driving force. In this automatic load adjustment system for the rotary atomizing dryer, the separation component is used for preliminary separation of different phases in the low-temperature steam. The direction in which the low-temperature steam enters the separation component is perpendicular to its axis, and the drive component generates an upward driving force to allow the separated gas phase to enter the outlet component, which is used to further separate the residual liquid phase from the gas phase.

Description

Technical Field

[0001] This utility model relates to the technical field of gas-liquid separation devices, and more specifically, to an automatic load adjustment system for a rotary atomizing drying tower. Background Technology

[0002] In current domestic zero-discharge wastewater systems for power generating units, the heat source can be boiler exhaust steam, auxiliary steam, or main steam. Although directly using steam can significantly reduce input costs, it does not improve the overall thermal efficiency of the boiler unit. Therefore, most current zero-discharge wastewater projects commonly use the heat from the exhaust gas at the air preheater outlet or dust collector outlet as the heat source.

[0003] To utilize the heat source more effectively, the low-temperature flue gas (average flue gas temperature of 90℃) after passing through a low-temperature economizer is usually used as the heat source, so a heat exchanger under low-pressure environment must be used. Since the steam produced by the low-pressure phase change heat exchanger is low-quality steam, mostly a steam-water mixture, its heat transfer efficiency is not as high as that of high-quality steam.

[0004] In view of this, we propose an automatic load adjustment system for rotary atomizing drying towers to improve the shortcomings of existing technologies. Utility Model Content

[0005] The purpose of this utility model is to provide an automatic load adjustment system for a rotary atomizing dryer. Since the steam produced by the low-pressure phase change heat exchanger of the boiler unit is low-quality steam, which is mostly a mixture of steam and water, its heat transfer efficiency is not as high as that of high-quality steam. Therefore, it is necessary to separate the water vapor and solid matter in the low-temperature steam to improve the steam quality.

[0006] To achieve the above objectives, this utility model provides an automatic load adjustment system for a rotary atomizing drying tower, including a separation component. The separation component is used to introduce low-temperature steam to be separated. A drive component is installed at the bottom of the separation component, and an exhaust component is connected to the top of the separation component.

[0007] The separation component is used to initially separate different phases in the low-temperature steam. The direction in which the low-temperature steam enters the separation component is perpendicular to the axis of the separation component. The driving component is used to generate an upward driving force so that the separated gas phase enters the gas outlet component. The gas outlet component is used to further separate the residual liquid phase in the gas phase.

[0008] In the above technical solution, a tapered portion is provided at the bottom of the cylindrical portion, and the radius of the tapered portion gradually decreases from the end near the cylindrical portion to the end away from the cylindrical portion.

[0009] The top of the cylindrical section has a separation port, the bottom of the conical section has a drain port, and the upper part of the cylindrical section has an initial inlet. The air intake direction of the initial inlet is perpendicular to the axis of the cylindrical section.

[0010] The airflow rotates downwards in a spiral motion within the cylindrical section (due to its own gravity), generating centrifugal force. Under this centrifugal force, denser particles or droplets are thrown against the cylinder wall and move downwards along it; while the gas continues to rotate downwards in the central region, forming an outer vortex. Simultaneously, the cylindrical section is the primary area for heat exchange with the outside environment, influencing the condensation of water vapor.

[0011] In another technical solution, the mounting box is equipped with multiple fan blades that rotate inside.

[0012] The mounting box has a main rod rotatably connected to a pair of mutually distant side walls. The outer wall of the mounting box is equipped with a drive motor, the output shaft of which is coaxially connected to the main rod. Multiple fan blades are arranged in a ring array along the radial direction of the main rod.

[0013] After the airflow containing different phases (gas, liquid, and solid) enters the mounting box, the drive motor drives the main rod, which is coaxially connected to its own output shaft, to rotate. Driven by the torque of the main rod, multiple fan blades rotate in the mounting box, generating upward lift in the cylindrical and conical sections. Due to the difference in gravity between the different phases, the gas phase is blown into the air inlet by the upward lift, while the liquid and solid phases leave the mounting box downward.

[0014] Based on the above, the bottom of the air inlet is provided with an air inlet, and the top of the air inlet is provided with an air outlet.

[0015] The height of the air inlet is lower than the height of the initial inlet, and the interior of the air inlet is equipped with a separation screen for condensing water droplets.

[0016] After the gas phase is blown into the air intake by the lift generated by the fan blades, a small amount of water vapor remains in the water vapor. As the water vapor follows the water vapor upward through the separator, it is intercepted by the separator and condenses into water, which then drips downward. The water vapor (clean and dry) is discharged from the automatic control system through the air outlet.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] In this automatic load adjustment system for the rotary atomizing dryer, a separation component is used to initially separate different phases in the low-temperature steam. The direction in which the low-temperature steam enters the separation component is perpendicular to the axis of the separation component. The drive component is used to generate an upward driving force so that the separated gas phase enters the outlet component. The outlet component is used to further separate the residual liquid phase in the gas phase. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0020] Figure 2 This is a partial cross-sectional perspective view of an embodiment of the present utility model;

[0021] Figure 3 This is a cross-sectional perspective view of the separation component according to an embodiment of the present utility model;

[0022] Figure 4 This is a cross-sectional perspective view of the driving component according to an embodiment of the present utility model;

[0023] Figure 5 This is a cross-sectional perspective view of the air outlet component according to an embodiment of the present utility model.

[0024] The meanings of the labels in the diagram are as follows:

[0025] 100. Separation assembly; 110. Cylindrical section; 120. Conical section; 130. Initial inlet; 140. Separation port; 150. Drain port;

[0026] 200. Drive assembly; 210. Mounting box; 220. Main rod; 230. Fan blade; 240. Drive motor;

[0027] 300, Exhaust assembly; 310, Inlet cylinder; 320, Inlet; 330, Exhaust port; 340, Separator mesh. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Because the steam produced by low-pressure phase change heat exchangers is low-quality steam, mostly a mixture of steam and water, its heat transfer efficiency is not as high as that of high-quality steam. Therefore, it is necessary to separate the water vapor and solid matter from the low-temperature steam to improve its quality.

[0030] Please see Figures 1-5 As shown, this embodiment provides an automatic load adjustment system for a rotary atomizing dryer, including a separation component 100. The separation component 100 is used to introduce low-temperature steam to be separated. A drive component 200 is installed at the bottom of the separation component 100, and an exhaust component 300 is connected to the top of the separation component 100.

[0031] The separation component 100 is used to initially separate different phases in the low-temperature steam. The direction in which the low-temperature steam enters the separation component 100 is perpendicular to the axis of the separation component 100. The drive component 200 is used to generate an upward driving force so that the separated gas phase enters the gas outlet component 300. The gas outlet component 300 is used to further separate the residual liquid phase in the gas phase.

[0032] In order to separate the gas phase (water vapor), liquid phase (water vapor) and solid phase (coal slag) in low-temperature steam, the separation assembly 100 includes a cylindrical portion 110, and a conical portion 120 is provided at the bottom of the cylindrical portion 110. The radius of the conical portion 120 gradually decreases from the end near the cylindrical portion 110 to the end away from the cylindrical portion 110.

[0033] Furthermore, the top of the cylindrical part 110 is provided with a separation port 140, the bottom of the conical part 120 is provided with a drain port 150, and the upper part of the cylindrical part 110 is provided with an initial inlet 130, the air intake direction of the initial inlet 130 being perpendicular to the axis of the cylindrical part 110.

[0034] It should be noted that the airflow rotates downwards in a spiral motion within the cylindrical section 110 (under the influence of its own gravity), generating centrifugal force. Under the action of centrifugal force, denser particles or droplets are thrown against the cylinder wall of the cylindrical section 110 and move downwards along the cylinder wall; while the gas continues to rotate downwards in the central region, forming an outer vortex. At the same time, the cylindrical section 110 is also the main part for heat exchange with the outside environment, affecting the condensation of water vapor.

[0035] The conical section 120 connects to the cylindrical section 110, causing the airflow channel to gradually narrow. As the diameter of the conical section 120 gradually decreases, the airflow rotation speed further increases, and the centrifugal force increases, which is beneficial for further separating smaller particles or droplets. In addition, the structural design of the conical section 120 can also guide the separated particles or droplets smoothly downward into the mounting box 210.

[0036] Considering the need to utilize the mass difference between different phases in low-temperature steam for separation, the drive assembly 200 includes a mounting box 210 connected to the bottom of the conical portion 120, and multiple fan blades 230 are rotatably arranged inside the mounting box 210.

[0037] Furthermore, a main rod 220 is rotatably connected to a pair of mutually distant side walls inside the mounting box 210. A drive motor 240 is provided on the outer wall of the mounting box 210. The output shaft of the drive motor 240 is coaxially connected to the main rod 220. Multiple fan blades 230 are distributed in a ring array along the radial direction of the main rod 220.

[0038] In other words, after the airflow containing different phases enters the mounting box 210, the power supply of the drive motor 240 is turned on, which drives the main rod 220, which is coaxially connected to its own output shaft, to rotate. Under the torque of the main rod 220, multiple fan blades 230 are driven to rotate in the mounting box 210, so that an upward lift force is generated in the cylindrical part 110 and the conical part 120. Due to the difference in gravity between different phases, the gas phase is blown into the air inlet cylinder 310 by the upward lift force, while the liquid phase and solid phase leave the mounting box 210 downward.

[0039] In order to achieve secondary purification of the gas phase leaving the cylindrical section 110 upward (removing the small amount of water vapor contained therein), the gas outlet assembly 300 includes an air inlet 310, an air inlet 320 is provided at the bottom of the air inlet 310, and an air outlet 330 is provided at the top of the air inlet 310.

[0040] Furthermore, the height of the air inlet 320 is lower than that of the initial inlet 130, and the interior of the air inlet 320 is equipped with a separation screen 340 for condensing water droplets.

[0041] It needs to be disclosed that after the gas phase is blown into the air intake 310 by the lift generated by the fan blade 230, since a small amount of water vapor remains in the water vapor, when the water vapor follows the water vapor upward through the separation net 340, the water vapor is intercepted by the separation net 340 and condenses into water, thus dripping downward, while the water vapor (clean and dry) is discharged from the automatic regulation system through the air outlet 330.

[0042] In practical use, the automatic load adjustment system for the rotary atomizing dryer provided in this invention uses the separation component 100 to initially separate different phases in the low-temperature steam. The direction in which the low-temperature steam enters the separation component 100 is perpendicular to the axis of the separation component 100. Specifically, the airflow rotates downwards in a spiral motion (under its own gravity) within the cylindrical section 110, generating centrifugal force. Under the action of centrifugal force, denser particles or droplets are thrown towards the cylinder wall of the cylindrical section 110 and move downwards along the cylinder wall; while the gas continues to rotate downwards in the central region, forming an outer vortex. At the same time, the cylindrical section 110 is also the main part for heat exchange with the outside environment, which may affect the condensation of water vapor, etc.

[0043] The conical section 120 connects to the cylindrical section 110, gradually narrowing the airflow channel. As the diameter of the conical section 120 gradually decreases, the airflow rotation speed further increases, and the centrifugal force increases, which is beneficial for further separating smaller particles or droplets. Furthermore, the structural design of the conical section 120 can guide the separated particles or droplets smoothly downwards into the mounting box 210. The drive assembly 200 generates an upward driving force to allow the separated gas phase to enter the outlet assembly 300. Specifically, after the airflow containing different phases enters the mounting box 210, the power to the drive motor 240 is turned on, which drives the main rod 220, coaxially connected to its output shaft, to rotate. Driven by the torque of the main rod 220, multiple fan blades 230 rotate within the mounting box 210, causing an upward lift within the cylindrical section 110 and the conical section 120. Due to the difference in gravity between the different phases, the gas phase is blown upward into the air inlet 310 by the upward lift force, while the liquid and solid phases leave the mounting box 210 downward. The air outlet assembly 300 is used to further separate the residual liquid phase in the gas phase. Specifically, after the gas phase is blown into the air inlet 310 by the lift force generated by the fan blade 230, since a small amount of water vapor remains in the water vapor, the water vapor is intercepted and condensed into water as it passes upward through the separation screen 340, thus dripping downward, while the water vapor (clean and dry) is discharged from the automatic control system through the air outlet 330.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A system for automatic adjustment of the load of a rotary atomizing drying column, characterized in that: It includes a separation component (100) for introducing low-temperature steam to be separated, a drive component (200) is installed at the bottom of the separation component (100), and an exhaust component (300) is connected to the top of the separation component (100). The separation component (100) is used to initially separate different phases in the low-temperature steam. The direction in which the low-temperature steam enters the separation component (100) is perpendicular to the axis of the separation component (100). The driving component (200) is used to generate an upward driving force so that the separated gas phase enters the gas outlet component (300). The gas outlet component (300) is used to further separate the residual liquid phase in the gas phase.

2. The system of claim 1, wherein: The separation assembly (100) includes a cylindrical portion (110) with a tapered portion (120) at the bottom of the cylindrical portion (110), the radius of which gradually decreases from one end near the cylindrical portion (110) to the other end away from the cylindrical portion (110).

3. The system of claim 2, wherein: The top of the cylindrical part (110) is provided with a separation port (140), the bottom of the conical part (120) is provided with a drain port (150), the upper part of the cylindrical part (110) is provided with an initial inlet (130), and the air intake direction of the initial inlet (130) is perpendicular to the axis of the cylindrical part (110).

4. The system of claim 2, wherein: The drive assembly (200) includes a mounting box (210) connected to the bottom of the conical portion (120), and a plurality of fan blades (230) are rotatably disposed inside the mounting box (210).

5. The system of claim 4, wherein: The mounting box (210) has a main rod (220) rotatably connected to a pair of mutually spaced side walls. The outer wall of the mounting box (210) is provided with a drive motor (240). The output shaft of the drive motor (240) is coaxially connected to the main rod (220). Multiple fan blades (230) are arranged in a ring array along the radial direction of the main rod (220).

6. The system of claim 3, wherein: The air outlet assembly (300) includes an air inlet cylinder (310), with an air inlet (320) at the bottom and an air outlet (330) at the top.

7. The system of claim 6, wherein: The height of the air inlet (320) is lower than the height of the initial inlet (130), and the interior of the air inlet (320) is provided with a separation screen (340) for condensing water droplets.

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