CN-121244392-B - Electric dust collector with intelligent high-temperature early warning function and early warning method thereof

CN121244392BCN 121244392 BCN121244392 BCN 121244392BCN-121244392-B

Abstract

The application relates to the technical field of electric dust collectors, and discloses an electric dust collector with intelligent high-temperature early warning function and an early warning method thereof, which are used for solving the problem that equipment is damaged due to the fact that more dust is collected by a dust collecting electrode in a short time, more resistance heat is generated and long-time high-temperature operation. When the temperature in the shell rises, the thermal expansion liquid in the temperature sensing bag expands, when the temperature reaches a certain temperature, the thermal expansion liquid expands to push the sliding column to move upwards, so that the sliding column pushes the control switch, the light alarm gives out a light alarm, the light alarm automatically alarms to remind workers of cooling the equipment, when the thermal expansion liquid expands, the sliding column is pushed to move upwards, the sliding column which moves upwards drives the rack to synchronously move, the rack driving gear, the supporting shaft and the knocking mechanism rotate, the rotating knocking mechanism intermittently knocks the dust collecting electrode, the dust collecting electrode shakes, and accordingly dust collected on the dust collecting electrode is prevented from shaking down, more dust exists on the dust collecting electrode, and more resistance heat is generated.

Inventors

LU YU
GUO YUEZHOU
ZHANG YANG
ZHANG LIXIN
HE LEI
FU QINXUE
WAN ZHANGJUN
LI JUNFENG
SHANG DAN
XU XINJIANG
Yan Jinhang
ZHANG JIANHE
YU BINFENG
WU HAILIN
ZHANG BAOCHUAN
JIN MINGZHEN

Assignees

国能神华九江发电有限责任公司
浙江大维高新技术股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250929

Claims (6)

1. The utility model provides an electrostatic precipitator with intelligent high temperature early warning, includes casing (1), high voltage power supply (2), corona electrode (3), bearing structure (4) and collector pole (5), its characterized in that bearing structure (4) include: the support concave strip (41) is fixedly arranged at the bottom end of the inner wall of the shell (1); a plurality of support columns (42) are equidistantly arranged in the support concave strips (41), and the top ends of the support columns are propped against the bottom ends of the dust collecting poles (5); the temperature sensing bag (43) is arranged at the bottom end of the supporting concave strip (41), and the temperature sensing bag (43) is filled with thermal expansion liquid; A plurality of groups of alarm devices for alarming high temperature are arranged on the shell (1), and the alarm devices comprise: a communicating pipe (61) with two ends fixedly inserted into the side wall of the shell (1); a connecting cylinder (62) fixedly connected to a position above the communicating pipe (61) and close to both ends; a slide column (63) which is installed in the connecting cylinder (62) in a sliding and sealing manner; a control switch (64) fixedly mounted on the inner side wall of the housing (1); The light alarm (65) is fixedly arranged on the outer side wall of the shell (1) and is electrically connected with a control switch (64) nearest to the inner wall of the shell (1); a dust removing device for cleaning the dust collecting pole (5) in a vibrating way is arranged between the sliding column (63) and the dust collecting pole (5), and the dust removing device comprises: the support shaft (71) is transversely arranged above the communicating pipe (61) and sleeved with a support sleeve, and the bottom end of the support sleeve is fixedly arranged on the inner wall of the shell (1); Gears (72) fixedly sleeved at two ends of the supporting shaft (71); a rack (73) fixedly connected to one side of the sliding column (63) close to the dust collecting pole (5), wherein the rack (73) is meshed with the gear (72); The knocking mechanisms (74) are fixedly sleeved on the supporting shaft (71) and are equidistantly arranged; The knocking mechanism (74) comprises a loop (741), a hinge shaft (742) and a knocking connecting block (743), one end of the loop (741) is fixedly sleeved on the supporting shaft (71), the hinge shaft (742) is inserted at the other end of the loop (741), and the knocking connecting block (743) is hinged with the loop (741) through the hinge shaft (742); The cooling device for cooling treatment in the shell (1) is arranged on the shell (1), and comprises: The cooling pipes (81) are wound on the inner wall of the shell (1) and are uniformly distributed; The pressure stabilizing pump (82) is fixedly arranged on the outer wall of the shell (1), and one end of the cooling pipe (81) is communicated with the water outlet of the pressure stabilizing pump (82); The threaded column (83) is inserted into the end part of the support shaft (71), the threaded column (83) is in threaded connection with the support shaft (71), and the end part of the threaded column (83) presses the joint of the cooling pipe (81) and the water outlet of the pressure stabilizing pump (82); The screw thread post (83) is close to the one end of casing (1) inner wall and has seted up the square hole, the activity is inserted in the square hole and is equipped with the square pole, the tip fixed mounting that the square pole stretches out the square hole is on the inner wall of casing (1).
2. The electric precipitator with intelligent high-temperature early warning according to claim 1, wherein the installation heights of the control switches (64) on the inner wall of the casing (1) are different.
3. The electric precipitator with intelligent high-temperature early warning function according to claim 1, wherein the temperature sensing bag (43) is a bag with constant volume, and when the thermal expansion liquid in the temperature sensing bag (43) expands, the temperature sensing bag (43) cannot be extruded by the thermal expansion liquid to expand.
4. The electric precipitator with intelligent high-temperature early warning according to claim 1, wherein a certain angle difference exists between two adjacent annular sleeves (741) on the supporting shaft (71), and the protruding positions of the annular sleeves (741) are distributed in a spiral mode.
5. The electric precipitator with intelligent high-temperature early warning according to claim 1, wherein when the supporting shaft (71) moves upwards, the rotation of the supporting shaft (71) enables the threaded column (83) to move towards the inside of the supporting shaft (71), and extrusion of the threaded column (83) to the cooling pipe (81) is reduced.
6. The method for early warning of the electric precipitator with intelligent high temperature early warning according to claim 5, comprising the following steps: S1, raising the temperature in the shell (1), raising the temperature of thermal expansion liquid in the temperature sensing bag (43) to generate expansion, pushing the sliding column (63) to move upwards by the thermal expansion liquid, and pushing the sliding column (63) against a control switch (64) on the side wall of the shell (1) when the temperature in the shell (1) reaches a certain height, so that the control switch (64) controls a lamplight alarm (65) on the outer side of the shell (1) to give out a lamplight alarm and automatically give out an alarm; S2, when the temperature in the shell (1) is gradually increased, thermal expansion liquid in the temperature sensing bag (43) expands, the thermal expansion liquid expands to push the sliding column (63) to move upwards, when the temperature is different, the sliding column (63) moves upwards at different heights, at different temperatures, different sliding columns (63) jack different control switches (64), and a lamplight alarm is sent out through the different control switches (64), so that the temperature range in the shell (1) is monitored in real time; S3, the temperature in the shell (1) rises, the thermal expansion liquid in the temperature sensing bag (43) absorbs heat to expand, when the sliding column (63) is pushed to move upwards, the sliding column (63) drives the rack (73) to move synchronously, the gear (72) is driven to rotate, the gear (72) drives the supporting shaft (71) and the knocking mechanism (74) to rotate, the rotating knocking mechanism (74) impacts the side wall of the dust collecting electrode (5), the dust collecting electrode (5) vibrates, and therefore dust on the dust collecting electrode (5) is vibrated; S4, when the sliding column (63) moves upwards, the rack (73) is driven to synchronously move, the rack (73) drives the gear (72) to rotate and the supporting shaft (71) to rotate, the rotating supporting shaft (71) enables the threaded column (83) to move towards the inside of the supporting shaft (71), so that the extrusion of the end part of the threaded column (83) to the cooling pipe (81) is reduced, the connection of the cooling pipe (81) and a water outlet of the pressure stabilizing pump (82) is increased, the water speed of the pressure stabilizing pump (82) discharged through the cooling pipe (81) is increased, and the heat dissipation effect of the cooling pipe (81) to the inside of the shell (1) is enhanced.

Description

Electric dust collector with intelligent high-temperature early warning function and early warning method thereof Technical Field The application relates to the technical field of electric precipitators, in particular to an electric precipitator with intelligent high-temperature early warning function and an early warning method thereof. Background The electric dust remover is high-efficiency dust removing equipment for removing dust in industrial flue gas by utilizing a high-voltage electrostatic adsorption principle, and is widely applied to industries such as electric power, metallurgy, cement, chemical industry and the like. The electric dust collector mainly comprises a shell, a high-voltage power supply, a corona electrode, a dust collecting electrode and auxiliary equipment, wherein during operation, high-voltage direct current is applied to the corona electrode, so that the electric field intensity around the corona electrode is extremely high, air molecules are ionized to generate a large number of free electrons and positive and negative ions, dust particles collide with the free electrons or the ions when dust-containing gas passes through the electric field, and the dust particles are negatively charged and move towards the dust collecting electrode under the action of the electric field force and are adsorbed. In the long-time use process of the electric dust collector, the dust layer adsorbed on the dust collecting electrode is gradually thickened to form a certain resistance, when high-voltage current passes through the dust layer, extra resistance heat can be generated, and especially when the dust conductivity is poor, the heat generation is more obvious. When more dust exists suddenly in the gas to be treated, more dust is collected in a shorter time (a cleaning period) by the dust collecting electrode of the electric dust collector, more resistance heat can be generated when high-voltage current passes through the dust layer, the resistance heat is gradually increased in the long-time use process, the temperature in the shell of the electric dust collector is increased, the corona electrode and the dust collecting electrode of the electric dust collector are thermally expanded and deformed due to long-time high-temperature operation, the polar distance is changed, and uneven electric field or short circuit is caused, so that the electric dust collector is damaged. Disclosure of Invention The application provides an electric dust collector with intelligent high-temperature early warning and an early warning method thereof, which have the advantages of automatically detecting the internal temperature of a shell of the electric dust collector and automatically early warning, and are used for solving the problem that equipment is damaged due to the fact that more dust is collected by a dust collecting electrode in a short time, more resistance heat is generated and long-time high-temperature operation. The electric precipitator comprises a shell, a high-voltage power supply, a corona electrode, a supporting structure and a dust collecting electrode, wherein the supporting structure comprises a supporting concave strip, a plurality of supporting columns, a temperature sensing bag and a plurality of alarm devices, the supporting concave strip is fixedly arranged at the bottom end of the inner wall of the shell, the supporting columns are equidistantly arranged in the supporting concave strip, the top end of the supporting concave strip is propped against the bottom end of the dust collecting electrode, the temperature sensing bag is arranged at the bottom end of the supporting concave strip, thermal expansion liquid is filled in the temperature sensing bag, the shell is provided with the alarm devices for alarming high temperature, the alarm devices comprise a communicating pipe, two ends of the communicating pipe are fixedly inserted into the side wall of the shell, a connecting cylinder is fixedly connected to the position above the communicating pipe and close to the two ends, a sliding column is arranged in the connecting cylinder in a sliding sealing mode, a control switch is fixedly arranged on the inner side wall of the shell, and a lamplight alarm is fixedly arranged on the outer side wall of the shell and is electrically connected with the nearest control switch of the inner wall of the shell. Further, the mounting heights of the control switches on the inner wall of the shell are different in height. Further, the temperature sensing bag is a bag with unchanged volume, and when the thermal expansion liquid in the temperature sensing bag expands, the temperature sensing bag cannot be extruded by the thermal expansion liquid to expand. The dust collector comprises a support shaft, a support sleeve, gears, racks and a plurality of knocking mechanisms, wherein the support shaft is transversely arranged above the communicating pipe, the support sleeve is sleeved on the support shaft, the bo