Flushing device of wet-type electric dust remover
By designing the flushing components of the booster pump, conveying pipe and rectangular frame in the wet electrostatic precipitator, the impurity retention problem is solved, and the efficient dust removal and heat utilization effect of the wet electrostatic precipitator is achieved.
Patent Information
- Application Number
- CN202420309765.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-19
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-02-19
AI Technical Summary
The flushing device of the wet electrostatic precipitator has difficulty in discharging impurities in time, resulting in impurities retention and accumulation, affecting the dust removal effect.
A flushing assembly including a booster pump, a conveyor tube, a nozzle and a rectangular frame is designed. The nozzle sprays water flow into the water passage chamber, and promotes impurities discharged with the water flow through the inclined water outlet holes and inclined surfaces, and is subjected to wet electrocution. Snake-shaped heat exchange tubes are installed on the inner wall of the instrument to improve heat utilization.
It realizes timely cleaning of impurities and drainage of water flow, improves the dust removal efficiency of wet electrostatic precipitators, and improves the heat utilization rate of flue gas.
Smart Images
Figure CN222306065U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wet type electrostatic precipitator components, in particular to a wet type electrostatic precipitator flushing device. Background Art
[0002] Wet electrostatic precipitator is a new type of dust removal equipment, mainly used to treat waste gas containing trace dust and microparticles. It has high dust removal efficiency and can remove dust, acid mist, water droplets, aerosols, odor, PM2.5 and other harmful substances in humid gas. It is an ideal equipment for controlling atmospheric dust pollution. The working principle of wet electrostatic precipitator is similar to that of dry electrostatic precipitator. It mainly ionizes the gas through a high-voltage electric field, and utilizes the charged characteristics of dust and gas in the electric field to make the dust move to the collecting electrode under the action of the electric field force and collect on the collecting electrode, thereby achieving the purpose of purifying the gas. Wet electrostatic precipitator is generally also provided with a flushing device, which uses the flushing device to spray water to achieve the effect of discharging impurities in the exhaust gas along with the water flow.
[0003] However, the flushing device on the common wet electrostatic precipitator generally uses a nozzle to spray water outward to complete the flushing operation. As the water is sprayed out from the nozzle, there is a situation where impurities are sprayed onto the inner wall of the precipitator. At this time, since the interior of the precipitator also contains components such as the cathode and anode, the presence of these components will block the water sprayed from the nozzle from spraying onto the inner wall of the precipitator, causing the impurities that fall onto the inner wall of the precipitator to not flow outward with the water in time and be discharged outward. The retention of impurities and the subsequent accumulation of impurities will affect the use effect of the precipitator and bring inconvenience to the user. In view of this, we propose a flushing device for a wet electrostatic precipitator. Utility Model Content
[0004] The purpose of the utility model is to provide a wet electrostatic precipitator flushing device to solve the defects mentioned in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A wet electrostatic precipitator flushing device comprises a wet electrostatic precipitator body, on which a flushing assembly is arranged, the flushing assembly comprises a booster pump arranged outside the wet electrostatic precipitator body, a suction pipe is fixedly installed at the water inlet end of the booster pump, a delivery pipe is fixedly installed at the water outlet end of the booster pump, a plurality of horizontal pipes arranged linearly and evenly spaced are fixedly installed on the delivery pipe, a plurality of nozzles arranged linearly and evenly spaced are fixedly installed at the bottom of the horizontal pipe, the nozzles are located in the wet electrostatic precipitator body, an outflow pipe is also fixedly installed on the delivery pipe, a rectangular frame is fixedly installed at the end of the outflow pipe, a water passage chamber connected to the outflow pipe is arranged inside the rectangular frame, a water outlet hole is arranged on the bottom wall of the water passage chamber, and the rectangular frame is fixedly installed on the inner wall of the wet electrostatic precipitator body.
[0007] Preferably, a top baffle is provided on the top surface of the rectangular frame, and an inclined surface is provided on the inner surface of the top baffle, and the inclined surface is used for the falling operation of impurities.
[0008] Preferably, the slope is arranged to be inclined upward at 45° to 60°, so that the debris can drip down along the slope with the water flow.
[0009] Preferably, a flue gas inlet pipe is fixedly installed on the top of the wet electrostatic precipitator body, and a clean air exhaust pipe is provided on a side plate of the wet electrostatic precipitator body, so that the exhaust gas enters along the flue gas inlet pipe, and the treated clean air can be discharged outward along the clean air exhaust pipe.
[0010] Preferably, a drain pipe is fixedly installed at the bottom of one side plate of the wet electrostatic precipitator body, and the drain pipe is used for drainage operation.
[0011] Preferably, the drain pipe is located below the clean air exhaust pipe, and is used for water to be discharged outward from the drain pipe.
[0012] Preferably, a water inlet pipe is fixedly installed on a plate on one side of the top of the wet electrostatic precipitator body, a serpentine heat exchange tube is fixedly installed on the end of the water inlet pipe, the serpentine heat exchange tube is located in the wet electrostatic precipitator body, a loop pipe is fixedly installed on the end of the serpentine heat exchange tube, and the loop pipe passes through the wet electrostatic precipitator body, so as to facilitate the heat exchange operation using the serpentine heat exchange tube and improve the heat utilization rate in the flue gas.
[0013] Preferably, the water inlet pipe is located below the loop pipe, and is used for water intake operation from bottom to top.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. The utility model is provided with a flushing component, which can use a booster pump to transport water to the nozzle position and spray it outward to complete the flushing operation. In addition, as part of the water enters the water passage chamber and flows downward along the inner wall of the wet electrostatic precipitator body from the water outlet position, it can promote the impurities attached to the inner wall of the wet electrostatic precipitator body to be discharged outward in time with the water flow, thereby achieving the effect of promoting the impurities to be discharged outward in time with the water flow and completing the flushing operation.
[0016] 2. The utility model provides a serpentine heat exchange tube, which can be used to perform heat exchange operations and improve the utilization rate of heat in the flue gas. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 It is a cross-sectional view of the main body of the wet electrostatic precipitator of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the flushing assembly of the utility model;
[0020] Figure 4 It is a cross-sectional view of the rectangular frame and the top baffle frame of the utility model;
[0021] Figure 5 For this utility model Figure 4 Enlarged view of point A in the middle.
[0022] The meaning of each number in the figure is:
[0023] 1. Wet electrostatic precipitator body; 10. Flue gas inlet pipe; 11. Clean air outlet pipe; 12. Drain pipe; 13. Water inlet pipe; 14. Serpentine heat exchange pipe; 15. Loop pipe;
[0024] 2. Flushing assembly; 20. Booster pump; 21. Suction pipe; 22. Delivery pipe; 23. Horizontal pipe; 24. Nozzle; 25. Outflow pipe; 26. Rectangular frame; 261. Water passage chamber; 262. Water outlet; 27. Top baffle frame; 271. Inclined surface. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figure 1-Figure 5The utility model provides a technical solution: a wet electrostatic precipitator flushing device, comprising a wet electrostatic precipitator body 1, a flushing assembly 2 is arranged on the wet electrostatic precipitator body 1, the flushing assembly 2 comprises a booster pump 20 arranged outside the wet electrostatic precipitator body 1, a suction pipe 21 is fixedly installed at the water inlet end of the booster pump 20, a delivery pipe 22 is fixedly installed at the water outlet end of the booster pump 20, a plurality of linearly evenly spaced horizontal pipes 23 are fixedly installed on the delivery pipe 22, a plurality of linearly evenly spaced nozzles 24 are fixedly installed at the bottom of the horizontal pipe 23, the nozzle 24 is located in the wet electrostatic precipitator body 1, and water is sprayed from the nozzle 24 to complete the flushing operation;
[0027] Specifically, an outflow pipe 25 is fixedly installed on the conveying pipe 22, and a rectangular frame 26 is fixedly installed on the end of the outflow pipe 25. A water chamber 261 connected to the outflow pipe 25 is arranged inside the rectangular frame 26, and a water outlet hole 262 is arranged on the bottom wall of the water chamber 261. The rectangular frame 26 is fixedly installed on the inner wall of the wet electrostatic precipitator body 1, so that water can flow out from the water outlet hole 262, so that the water can flow downward along the inner wall of the wet electrostatic precipitator body 1, so as to flush away the impurities attached to the inner wall of the wet electrostatic precipitator body 1 and complete the impurity cleaning operation.
[0028] In this embodiment, the water outlet hole 262 is arranged to be inclined at 45° to 60° toward one side of the inner wall of the wet electrostatic precipitator body 1, so that the water flowing out of the water outlet hole 262 can flow down along the inner wall of the wet electrostatic precipitator body 1 more smoothly.
[0029] Specifically, a top baffle 27 is provided on the top surface of the rectangular frame 26, and a slope 271 is provided on the inner surface of the top baffle 27, and the slope 271 is used for the falling operation of impurities; the slope 271 is set to be inclined upward at 45° to 60°, so that debris can drip down along the slope 271 with the water flow.
[0030] Furthermore, a flue gas inlet pipe 10 is fixedly installed on the top of the wet electrostatic precipitator body 1, and a clean air exhaust pipe 11 is arranged on a side plate of the wet electrostatic precipitator body 1, so that the exhaust gas enters along the flue gas inlet pipe 10, and the treated clean air can be discharged outward along the clean air exhaust pipe 11.
[0031] In addition, a drain pipe 12 is fixedly installed at the bottom of one side plate of the wet electrostatic precipitator body 1, and the drain pipe 12 is used for drainage operation; the drain pipe 12 is located below the clean air exhaust pipe 11, and is used to discharge water outward from the drain pipe 12.
[0032] It is worth mentioning that a water inlet pipe 13 is fixedly installed on a plate on one side of the top of the wet electrostatic precipitator body 1, a serpentine heat exchange tube 14 is fixedly installed at the end of the water inlet pipe 13, the serpentine heat exchange tube 14 is located in the wet electrostatic precipitator body 1, and a loop pipe 15 is fixedly installed at the end of the serpentine heat exchange tube 14. The loop pipe 15 passes through the wet electrostatic precipitator body 1, so as to facilitate the use of the serpentine heat exchange tube 14 for heat exchange operations and improve the heat utilization rate in the flue gas.
[0033] It is worth noting that the water inlet pipe 13 is located below the loop pipe 15 and is used for water intake operation from bottom to top.
[0034] When the wet electrostatic precipitator flushing device of the utility model is in use, the water inlet pipe 13 is connected to the external cold water inlet pipe, and the loop pipe 15 is connected to the external return pipe. As the flue gas enters the pipe 10 along the flue gas, the temperature in the flue gas can be transferred to the cold water in the serpentine heat exchange tube 14, completing the heat exchange operation and reducing the flue gas temperature. In addition, the suction pipe 21 is connected to the external water source, and the booster pump 20 is connected to the external power supply and made to work. The booster pump 20 works to transport water to the nozzle 24 and spray it out to complete the flushing operation. In addition, part of the water enters the water passage chamber 261 along the outflow pipe 25, and flows down from the inner wall of the wet electrostatic precipitator body 1 along the water outlet hole 262, so as to flush away impurities attached to the inner wall of the wet electrostatic precipitator body 1.
[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A wet electrostatic precipitator flushing device, comprising a wet electrostatic precipitator body (1), characterized in that: The wet electrostatic precipitator body (1) is provided with a flushing assembly (2), the flushing assembly (2) comprising a booster pump (20) arranged outside the wet electrostatic precipitator body (1), a suction pipe (21) fixedly mounted on the water inlet end of the booster pump (20), a delivery pipe (22) fixedly mounted on the water outlet end of the booster pump (20), a plurality of linearly evenly spaced horizontal pipes (23) fixedly mounted on the delivery pipe (22), a plurality of linearly evenly spaced spray nozzles fixedly mounted on the bottom of the horizontal pipe (23) The nozzle (24) is located in the wet electrostatic precipitator body (1), and an outflow pipe (25) is fixedly installed on the delivery pipe (22). A rectangular frame (26) is fixedly installed at the end of the outflow pipe (25). A water passage chamber (261) connected to the outflow pipe (25) is arranged inside the rectangular frame (26), and a water outlet hole (262) is arranged on the bottom wall of the water passage chamber (261). The rectangular frame (26) is fixedly installed on the inner wall of the wet electrostatic precipitator body (1).
2. The wet electrostatic precipitator flushing device according to claim 1, characterized in that: A top baffle (27) is arranged on the top surface of the rectangular frame (26), and an inclined surface (271) is arranged on the inner surface of the top baffle (27), wherein the inclined surface (271) is used for the falling operation of impurities.
3. The wet electrostatic precipitator flushing device according to claim 2, characterized in that: The inclined surface (271) is arranged to be inclined upward at an angle of 45° to 60°, so that the debris can drip downward along the inclined surface (271) along with the water flow.
4. The wet electrostatic precipitator flushing device according to claim 1, characterized in that: A smoke inlet pipe (10) is fixedly installed on the top of the wet electrostatic precipitator body (1), and a clean air outlet pipe (11) is arranged on a side plate of the wet electrostatic precipitator body (1).
5. The wet electrostatic precipitator flushing device according to claim 4, characterized in that: A drainage pipe (12) is fixedly installed at the bottom of a plate on one side of the wet electrostatic precipitator body (1), and the drainage pipe (12) is used for drainage operations.
6. The wet electrostatic precipitator flushing device according to claim 5, characterized in that: The drain pipe (12) is located below the clean air exhaust pipe (11) and is used for discharging water from the drain pipe (12).
7. The wet electrostatic precipitator flushing device according to claim 1, characterized in that: A water inlet pipe (13) is fixedly mounted on a plate on one side of the top of the wet electrostatic precipitator body (1), a serpentine heat exchange tube (14) is fixedly mounted at the end of the water inlet pipe (13), the serpentine heat exchange tube (14) is located inside the wet electrostatic precipitator body (1), a loop tube (15) is fixedly mounted at the end of the serpentine heat exchange tube (14), and the loop tube (15) passes through the wet electrostatic precipitator body (1).
8. The wet electrostatic precipitator flushing device according to claim 7, characterized in that: The water inlet pipe (13) is located below the loop pipe (15) and is used for water intake from bottom to top.