阅读说明：本技术 一种湿电除尘器过温保护装置及其过温保护方法 (Over-temperature protection device and over-temperature protection method for wet electric dust collector ) 是由 吴金 于 2021-08-04 设计创作，主要内容包括：本发明公开了一种湿电除尘器过温保护装置及其过温保护方法,涉及废气处理领域,其技术方案要点是：包括设置有湿电除尘组件的壳体,过温保护装置设置于位于湿电除尘组件上方的壳体内,过温保护装置包括温度检测组件和喷淋保护组件,温度检测组件包括固定在壳体上的支架、设置在支架上的用于喷淋温度检测的第一温度检测探头和用于起火温度检测的第二温度检测探头,第一温度检测探头的热敏温度阈值小于第二温度检测探头的热敏温度阈值,湿电除尘组件、喷淋保护组件、第一温度检测探头和第二温度检测探头均与设置在壳体外侧的控制柜电性连接。本发明具有检测提示清洗以及自行判断并灭火的的功能,具有较高的安全使用系数。(The invention discloses an over-temperature protection device and an over-temperature protection method for a wet electric dust collector, which relate to the field of waste gas treatment and have the technical scheme that: including the casing that is provided with wet electric dust removal subassembly, excess temperature protection device sets up in the casing that is located wet electric dust removal subassembly top, excess temperature protection device includes temperature detect subassembly and sprays the protection subassembly, temperature detect subassembly is including fixing the support on the casing, the second temperature detect probe that is used for spraying the first temperature detect probe that the temperature detected and is used for the temperature detection of catching fire that sets up on the support, the temperature sensing threshold value of first temperature detect probe is less than the temperature sensing threshold value of second temperature detect probe, wet electric dust removal subassembly, spray the protection subassembly, first temperature detect probe and second temperature detect probe all with set up the switch board electric connection in the casing outside. The invention has the functions of detection, prompt cleaning, self judgment and fire extinguishing, and has higher safe use coefficient.)

1. The utility model provides a wet electric precipitator excess temperature protection device, is including casing (1) that is provided with wet electric dust removal subassembly (2), its characterized in that: the over-temperature protection device (3) is arranged in a shell (1) positioned above the wet electric dust removal component (2), the over-temperature protection device (3) comprises a temperature detection component (31) and a spray protection component (32), the temperature detection component (31) is positioned above the spray protection component (32), the temperature detection component (31) comprises a bracket (311) fixed on the shell (1), a first temperature detection probe (313) arranged on the bracket (311) and used for spray temperature detection and a second temperature detection probe (312) used for ignition temperature detection, the thermosensitive temperature threshold of the first temperature detection probe (313) is smaller than that of the second temperature detection probe (312), the wet electric dust removal component (2), the spray protection component (32), the first temperature detection probe (313) and the second temperature detection probe (312) are all electrically connected with a control cabinet (4) arranged outside the shell (1), the spray protection assembly (32) comprises a water guide pipe, a water pump fixed on the shell (1), a spray head support and a plurality of spray heads fixed on the spray head support, and the water guide pipe is communicated with the water pump and the spray heads.

2. The wet electro-precipitator over-temperature protection device of claim 1, wherein: the outside of casing (1) is provided with the first alarm that is used for spraying the suggestion and is used for the second alarm of the suggestion of starting a fire, first alarm and second alarm all with switch board (4) electric connection.

3. The wet electro-precipitator over-temperature protection device of claim 1, wherein: the support (311) comprises a transverse frame and a longitudinal frame perpendicular to the transverse frame, the first temperature detection probe (313) is arranged on the longitudinal frame, the second temperature detection probe (312) is arranged on the transverse frame, and the second temperature detection probes (312) are arranged in a plurality on the same horizontal plane.

4. The wet electro-precipitator over-temperature protection device of claim 1, wherein: the second temperature detection probe (312) is an infrared thermal imaging probe or a resistance type temperature sensor.

5. An over-temperature protection method of an over-temperature protection device of a wet electro-precipitator according to any one of claims 1 to 4, wherein: the method comprises the following steps:

s1: introducing waste gas, conveying the collected waste gas into the shell (1) through a pipeline, and treating the waste gas through the wet electric dust removal assembly (2);

s2: the spraying temperature detection and manual control spraying are carried out, a first temperature detection probe (313) detects the temperature condition of the wet electric dust removal component (2) in real time, when the temperature of the wet electric dust removal component (2) is increased due to accumulation of more waste gas pollutants and the wet electric dust removal component does not catch fire, and reaches the thermosensitive temperature threshold value of the first temperature detection probe (313), the first temperature detection probe (313) sends an electric signal to a control cabinet (4), the control cabinet (4) sends a control signal to enable a first alarm to give an alarm, and the spraying protection component (32) is manually opened manually according to the alarm prompt to wash the wet electric dust removal component (2);

s3: fire detection and automatic spray protection, when wet electric dust removal subassembly (2) leads to the electric leakage to catch fire because of temperature rise or other trouble to when reaching the temperature sensing temperature threshold value of second temperature detect probe (312), second temperature detect probe (312) send the signal of telecommunication for switch board (4), switch board (4) send control signal makes the second alarm report to the police, and control simultaneously sprays protection component (32) and spray and put out a fire wet electric dust removal subassembly (2).

6. The over-temperature protection method according to claim 5, wherein in steps S2 and S3, the control cabinet (4) controls the wet electric dust collection assembly (2) to be powered off when the spray protection assembly (32) performs the spraying operation.

Technical Field

The invention relates to the field of waste gas treatment, in particular to an over-temperature protection device and an over-temperature protection method for a wet electric dust collector.

Background

The wet electric dust collector consists of a cathode wire and an anode tube, and has the working principle that a high-voltage electric field is formed by electrifying the cathode wire and the anode tube, smoke is transmitted from the lower end of the anode tube, the smoke passes through the high-voltage electric field, the smoke dust and smoke in the smoke are charged by the high-voltage electric field to form charged ions, the charged ions move to the anode tube with opposite charges, the charged ions discharge after reaching the anode tube to form neutral dust and fog particles, and the neutral dust and the fog particles are deposited on the anode tube to be agglutinated and fall to be removed.

The existing wet electric dust collector has no over-temperature protection system, and can easily cause cathode wire breakage and anode tube breakdown after long-term use, thereby easily causing electric leakage, fire hazard and other dangers.

Therefore, a new solution is needed to solve this problem.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an over-temperature protection device and an over-temperature protection method for a wet electric dust collector, which have the characteristics of self judgment and fire extinguishment, so that the safety coefficient of the use of the over-temperature protection device is improved.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a wet electric dust remover excess temperature protection device, is including the casing that is provided with wet electric dust removal subassembly, excess temperature protection device set up in the casing that is located wet electric dust removal subassembly top, excess temperature protection device includes temperature detect module and sprays the protection subassembly, temperature detect module is located the top that sprays the protection subassembly, temperature detect module is including fixing the support on the casing, setting up the second temperature detect probe that is used for spraying the first temperature detect probe that the temperature detected and is used for the temperature detection of catching fire on the support, the temperature sensing threshold value of first temperature detect probe is less than the temperature sensing threshold value of second temperature detect probe, wet electric dust removal subassembly, spray the protection subassembly, first temperature detect probe and second temperature detect probe all with set up the switch board electric connection in the casing outside, spray the protection subassembly and include aqueduct, The water distributor comprises a water pump fixed on the shell, a spray nozzle support and a plurality of spray nozzles fixed on the spray nozzle support, and the water distributor is communicated with the water pump and the spray nozzles.

In one of them embodiment, the outside of casing is provided with the first alarm that is used for spraying the suggestion and is used for the second alarm of the suggestion of starting a fire, first alarm and second alarm all with switch board electric connection.

In one embodiment, the bracket comprises a transverse frame and a longitudinal frame perpendicular to the transverse frame, the first temperature detection probe is arranged on the longitudinal frame, the second temperature detection probe is arranged on the transverse frame, and the second temperature detection probes are arranged in a plurality on the same horizontal plane.

In one embodiment, the second temperature detection probe is an infrared thermal imaging probe or a resistance type temperature sensor.

In one embodiment, the over-temperature protection method for the over-temperature protection device of the wet electric dust collector comprises the following steps:

s1: introducing waste gas, conveying the collected waste gas into the shell through a pipeline, and treating the waste gas through the wet electric dust removal assembly;

s2: the method comprises the steps of detecting the spraying temperature and manually controlling spraying, wherein a first temperature detection probe detects the temperature condition of a wet electric dust removal assembly in real time, when the temperature of the wet electric dust removal assembly rises due to more accumulated waste gas pollutants and is not on fire and reaches the thermosensitive temperature threshold value of the first temperature detection probe, the first temperature detection probe sends an electric signal to a control cabinet, the control cabinet sends a control signal to enable a first alarm to give an alarm, and the spray protection assembly is manually opened manually according to the alarm prompt to flush the wet electric dust removal assembly;

s3: fire detection and automatic spray protection, when the wet electric dust removal subassembly catches fire because the temperature risees or other trouble leads to the electric leakage to when reaching the temperature sensing temperature threshold value of second temperature detect probe, second temperature detect probe sends the signal of telecommunication for the switch board, and the switch board sends control signal and makes the second alarm report to the police, and controls simultaneously and sprays the protection subassembly and spray the fire extinguishing to wet electric dust removal subassembly.

In one embodiment, in steps S2 and S3, the control cabinet controls the wet electric dust removing assembly to be powered off when the spray protection assembly performs the spray operation.

In conclusion, the invention has the following beneficial effects: through the setting of temperature detect subassembly and spraying protection subassembly, realized that wet electric dust collector's detection suggestion washs and judge the protection of putting out a fire by oneself, broken wet electric dust collector in the past and can not put out a fire by oneself and protect, the problem of no washing suggestion has higher safe coefficient of use.

Drawings

FIG. 1 is a schematic structural diagram of an over-temperature protection device of a wet electric dust collector in this embodiment;

fig. 2 is a schematic flow chart of the over-temperature protection method of the over-temperature protection device of the wet electric dust collector in this embodiment.

In the figure: 1. a housing; 2. a wet electric dust removal assembly; 3. an over-temperature protection device; 31. a temperature detection assembly; 311. a support; 312. a second temperature detection probe; 313. a first temperature detection probe; 32. a spray protection component; 4. a control cabinet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in FIG. 1, the embodiment of the present application provides an over-temperature protection device for a wet electric dust collector, which comprises a housing 1 provided with a wet electric dust collection assembly 2, and the over-temperature protection device 3 is arranged in the housing 1 above the wet electric dust collection assembly 2. The over-temperature protection device 3 comprises a temperature detection component 31 and a spray protection component 32, wherein the temperature detection component 31 is positioned above the spray protection component 32. The temperature detection assembly 31 comprises a bracket 311 fixed on the shell 1, a first temperature detection probe 313 arranged on the bracket 311 and used for detecting the temperature of spraying and a second temperature detection probe 312 used for detecting the temperature of fire, wherein the temperature-sensitive threshold value of the first temperature detection probe 313 is smaller than that of the second temperature detection probe 312. The wet electric dust removal component 2, the spray protection component 32, the first temperature detection probe 313 and the second temperature detection probe 312 are all electrically connected with the control cabinet 4 arranged outside the shell 1. The spray protection assembly comprises a water guide pipe, a water pump fixed on the shell 1, a spray head support and a plurality of spray heads fixed on the spray head support, and the water guide pipe is communicated with the water pump and the spray heads. The outside of casing 1 is provided with the first alarm that is used for spraying the suggestion and is used for the second alarm of the suggestion of starting a fire, first alarm and second alarm all with 4 electric connection of switch board.

In the working process, through the arrangement of the first temperature detection probe 313, when the temperature rises due to the accumulation of more pollutants in the wet electric dust removal component 2, the first temperature detection probe 313 sends a detection result to the control cabinet 4, and the control cabinet 4 controls the first alarm to warn people that the spray protection device is required to be started to flush the wet electric dust removal component 2; when the temperature of the wet electric dust removal component 2 continues to rise, even if a fire occurs, the second temperature detection probe 312 identifies and sends a detection result to the control cabinet 4, and the control cabinet 4 controls the second alarm to alarm and simultaneously controls the spray protection component 32 to automatically spray and extinguish fire.

According to the invention, through the arrangement of the temperature detection component 31 and the spray protection component 32, the detection prompting cleaning and self-judging fire extinguishing protection of the wet electric dust collector are realized, the problems that the conventional wet electric dust collector cannot perform self fire extinguishing protection and does not have cleaning prompting are solved, and the wet electric dust collector has a higher safe use coefficient

On the basis, the bracket 311 comprises a transverse frame and a longitudinal frame perpendicular to the transverse frame, the first temperature detection probe 313 is arranged on the longitudinal frame, the second temperature detection probe 312 is arranged on the transverse frame, and the second temperature detection probes 312 are arranged on the same horizontal plane in a plurality.

In the working process, the second temperature detection probe 312 on the transverse frame is positioned right above the wet electric dust removal component 2, and the first temperature detection probe 313 on the longitudinal frame is positioned at one side of the second temperature detection probe 312.

Through the arrangement of the transverse frame and the longitudinal frame, the first temperature detection probe 313 and the second temperature detection probe 312 are staggered with each other, the detection operation between the first temperature detection probe and the second temperature detection probe is not influenced, and the detection precision of the first temperature detection probe and the second temperature detection probe can be improved

On the basis of the above, the second temperature detection probe 312 is an infrared thermal imaging probe or a resistance type temperature sensor.

The resistive temperature sensor may be a DS18B20 temperature sensor.

The DS18B20 temperature sensor can quickly identify the temperature abnormality of the wet electric dust removal component 2, so that people can conveniently carry out corresponding troubleshooting, the infrared thermal imaging probe has a wide thermal imaging identification area, the temperature detection area of the wet electric dust removal component 2 can be increased, the detection dead angle is not easy to occur, and the detection precision is improved.

On the basis, as shown in fig. 1 and fig. 2, an over-temperature protection method of an over-temperature protection device of a wet electric dust collector comprises the following steps:

s1: introducing waste gas, conveying the collected waste gas into the shell 1 through a pipeline, and treating the waste gas through the wet electric dust removal assembly 2;

s2: the spraying temperature detection and manual control spraying are carried out, the first temperature detection probe 313 detects the temperature condition of the wet electric dust removal component 2 in real time, when the temperature of the wet electric dust removal component 2 rises due to accumulation of more pollutants in waste gas and is not on fire and reaches the thermosensitive temperature threshold value of the first temperature detection probe 313, the first temperature detection probe 313 sends an electric signal to the control cabinet 4, the control cabinet 4 sends a control signal to enable the first alarm to give an alarm, and the spray protection component 32 is manually opened to flush the wet electric dust removal component 2 manually according to the alarm prompt;

s3: fire detection and automatic spray protection, when wet electric dust removal subassembly 2 causes the electric leakage to fire because of temperature rising or other trouble to reach the temperature sensing temperature threshold value of second temperature detect probe 312, second temperature detect probe 312 sends the signal of telecommunication for switch board 4, and switch board 4 sends control signal and makes the second alarm report to the police, and controls spray protection subassembly 32 simultaneously and sprays to put out a fire wet electric dust removal subassembly 2.

The method has the advantages of simple operation and good detection and protection effects, and effectively improves the use safety of the wet electric dust collector.

On the basis of the above, in steps S2 and S3, the control cabinet 4 controls the wet electric dust removing assembly 2 to be powered off when the spray protection assembly 32 performs the spray operation.

When the spraying operation is performed, the wet electric dust removal component 2 is powered off, so that secondary damage to the wet electric dust removal component can be avoided.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.