阅读说明：本技术 一种静电除尘在线水洗净化装置及其控制系统与方法 (Electrostatic dust removal online washing purification device and control system and method thereof ) 是由 王书田 张留波 陈玲 叶伟强 于 2021-09-15 设计创作，主要内容包括：本发明公开了一种静电除尘在线水洗净化装置及其控制系统与方法,其中水洗净化装置包括框架、安装设置在框架内的静电除尘模块以及恒压喷淋水洗装置。所述恒压喷淋水洗装置包括恒压水泵、进水管、加药管和喷淋管,恒压水泵的进水口分别通过进水管和加药管连接水源和药剂箱,出水口通过多个出水支管连接喷淋管,所述喷淋管上设置有用于喷淋水洗静电除尘模块的净化喷头。本发明实现了静电除尘净化设备在线清洗,减少人工操作,降低维护成本,减少设备损害风险,使设备可长期保持一个高效率的状态运行,同时通过多条水路和恒压系统设计,保证喷淋系统恒压,解决大风量净化系统水压不稳定,无法满足大风量净化的要求。(The invention discloses an electrostatic dust removal online water washing purification device and a control system and method thereof, wherein the water washing purification device comprises a frame, an electrostatic dust removal module arranged in the frame and a constant-pressure spraying water washing device. The constant voltage sprays washing unit includes constant voltage water pump, inlet tube, adds pencil and shower, and the water inlet of constant voltage water pump is respectively through the inlet tube with add the pencil and connect water source and chemical tank, the delivery port is through a plurality of water outlet branch union coupling showers, be provided with the purification shower nozzle that is used for spraying washing electrostatic precipitator module on the shower. The invention realizes the online cleaning of the electrostatic dust removal purification equipment, reduces manual operation, reduces maintenance cost and equipment damage risk, enables the equipment to operate in a high-efficiency state for a long time, ensures the constant pressure of a spraying system through the design of a plurality of water paths and a constant pressure system, and solves the problem that the water pressure of a large-air-volume purification system is unstable and cannot meet the requirement of large-air-volume purification.)

1. The utility model provides an online washing purifier of electrostatic precipitator, includes the frame and installs the electrostatic precipitator module that sets up in the frame, its characterized in that still includes the constant voltage and sprays the washing device, the constant voltage sprays the washing device and includes constant voltage water pump, inlet tube, dosing pipe and shower, be provided with the purification shower nozzle that is used for spraying the washing electrostatic precipitator module on the shower.

2. The electrostatic dust removal online water washing and purifying device as claimed in claim 1, wherein a water inlet of the constant pressure water pump is connected with a water source and a chemical tank through a water inlet pipe and a chemical feeding pipe respectively, and a water outlet is connected with a spray pipe through a plurality of water outlet branch pipes.

3. The electrostatic dust removal online water washing and purifying device as claimed in claim 2, wherein the constant pressure water pump is a constant pressure variable frequency water pump; the water source adopts warm water.

4. The electrostatic dust removal online water washing purification device as claimed in claim 2, wherein a controllable dosing valve and a stop valve are arranged on the dosing pipe; and a liquid level meter is arranged in the medicament box.

5. The online electrostatic dust removal water washing purification device as claimed in claim 1, wherein the frame is of a multi-layer structure, a plurality of electrostatic dust removal modules are mounted on each layer side by side, the electrostatic dust removal modules are of a modular design structure, and the electrostatic dust removal modules are detachably connected in an assembled manner; and the one end of every layer of frame is provided with and is used for realizing the electrically conductive power connection box in side, and the other end is provided with and is used for the most avris electrostatic precipitator module to its inside maintenance space case that removes, maintenance space case communicates with each other with the frame is inside, the air inlet side end of every layer of frame all installs the detachable baffle of facilitating maintenance.

6. The electrostatic dust removal online water washing purification device as claimed in claim 1 or 5, wherein the air inlet of the electrostatic dust removal module is provided with a pre-filtering screen, and the side of the air inlet is installed near one side of the frame, a spraying space for the spraying pipe to pass through is reserved at the air outlet side of the electrostatic dust removal module, one side of each layer of electrostatic dust removal module is provided with a spraying pipe, and at least one purification spray head is installed at the position facing the spraying pipe of each electrostatic dust removal module.

7. The electrostatic precipitator online washing purification device of claim 6, wherein the showers are arranged along the frame in sequence from top to bottom, each shower is connected to the constant pressure water pump through a branch outlet pipe, each branch outlet pipe is connected to at least one shower, and each branch outlet pipe is provided with a controllable outlet valve.

8. The on-line electrostatic dust removal water cleaning and purifying device as claimed in claim 1, wherein a water collecting tray is provided at the bottom of the frame, and a water outlet is provided at one side of the water collecting tray and connected to a water draining pipe for draining the cleaned liquid.

9. The utility model provides an online washing purifier's of electrostatic precipitator control system which characterized in that, includes equipment control module, heating module, monitoring module and storage module, wherein:

the equipment control module is used for receiving a control instruction of the cloud end or the operation end and a monitoring signal sent by the monitoring module, and controlling the on-off of a controllable valve on each pipeline to start and stop the constant-pressure water pump;

the heating module is used for heating a water source at the end of the water inlet pipe to enable the water source to reach the set required temperature;

the monitoring module is used for monitoring the working state of the electrostatic dust removal module and emission indexes of the air supply system, wherein the emission indexes comprise temperature and humidity, PM2.5, PM10, PM1 and ozone concentration;

the storage module is used for the working information of each module, including working records, alarm records and cleaning records.

10. A control method of an electrostatic dust removal online washing purification device is characterized by comprising the following steps:

monitoring the emission index of an air supply system by monitoring equipment, if the emission index is normal, continuing to keep monitoring, if the emission index is abnormal, firstly checking whether an electrostatic dust removal module is started, if the electrostatic dust removal module is not started, executing a step two, and if the electrostatic dust removal module is started, executing a step three;

step two, starting the electrostatic dust removal module, continuously monitoring the emission index, if the emission index is recovered to be normal after starting, continuously keeping monitoring, and if the emission index is still abnormal and does not reach the standard after starting, executing step three;

step three, the monitoring equipment sends an abnormal signal with an abnormal emission index to an equipment control system, and the equipment control system sends a cleaning instruction aiming at the electrostatic dust removal module; the cleaning of the electrostatic dust removal module comprises cleaning with a medicament and cleaning without the medicament;

the steps of cleaning with the medicament are as follows:

(1) the equipment control system controls the dosing valve to be closed, further closes the dosing pipeline, simultaneously controls the water outlet valve to be opened, opens the water inlet pipeline, starts the constant-pressure water pump, then sprays the electrostatic dust removal module by the warm water heated under the action of the water pump, moistens the electrostatic electric field and the pre-filtering net of the electrostatic dust removal module, and controls the water outlet valve to be closed, the constant-pressure water pump to be stopped and then drains water when the set spraying time is reached;

(2) after the set draining time is reached, the equipment control system controls the dosing valve to open, opens the dosing pipeline, simultaneously opens the dosing pipeline and the water inlet pipeline, sprays the mixture of the warm water and the medicament heated under the action of the water pump on the electrostatic dust removal module and the pre-filtering net, and when the set spraying time is reached, the equipment control system controls the water outlet valve and the pressurizing valve to close, stops the constant pressure water pump, and waits for the reaction of the medicament and the draining;

(3) after the set reaction and draining time is reached, the equipment control system controls the water outlet valve to be opened, the water inlet pipeline is opened, the constant-pressure water pump is started, then the warm water heated under the action of the water pump sprays the electrostatic dust collection module, and reagent reaction residues on the electrostatic dust collection module and the pre-filtering screen are washed;

(4) repeating the steps (1) to (3); until the cleaning requirement is met;

(5) starting a fan to blow dry the electrostatic field and the pre-filtering net;

the steps of cleaning without using the medicament are as follows:

(1) the equipment control system controls the dosing valve to be closed, further closes the dosing pipeline, simultaneously controls the water outlet valve to be opened, opens the water inlet pipeline, starts the constant-pressure water pump, then sprays the electrostatic dust removal module by the warm water heated under the action of the water pump, moistens the electrostatic electric field and the pre-filtering net of the electrostatic dust removal module, and controls the water outlet valve to be closed, the constant-pressure water pump to be stopped and then drains water when the set spraying time is reached;

(2) and starting the fan to blow dry the electrostatic field and the pre-filtering net.

Technical Field

The invention relates to an electrostatic dust removal online washing purification device and a control system and method thereof, belonging to the technical field of air purification.

Background

The air purifier is a product capable of adsorbing, decomposing or converting various air pollutants (generally including PM2.5, dust, pollen, peculiar smell, formaldehyde and other decoration pollution, bacteria, allergens and the like) and effectively improving air cleanliness, and is mainly divided into household, commercial and industrial uses.

The electrostatic dust removing technology of air purifier is one of the gas dust removing methods. The dust-containing gas is electrically separated when passing through a high-voltage electrostatic field, and dust particles and negative ions are combined to be charged negatively and then tend to discharge on the surface of the anode to be deposited. That is, a dust collecting method mainly ionizes gas by an electrostatic field to electrically adsorb dust particles onto an electrode.

The high-voltage electrostatic adsorption principle is mainly adopted in the field of air dust removal and purification at present, and the product has the characteristics of low power consumption, high efficiency, repeated cleaning and reuse of an electric field and low use cost. However, the following defects still exist in the products in use:

(1) most of electrostatic dust removal products in the market can not realize online cleaning, manual periodical disassembly, maintenance and cleaning are needed, and if the cleaning is not timely, the efficiency can be greatly reduced. However, the manual cleaning further causes the following disadvantages:

A. the manual cleaning generates high labor cost;

B. in the cleaning process, the purification equipment cannot be used, and a product purification empty window period exists;

C. the risk of damaging equipment exists in the cleaning process, and an electric field is generally an aluminum alloy product and is easy to damage due to collision;

(2) some electrostatic dust removal online washing equipment also exists in the market, but the system is simple in arrangement, humanized operation cannot be realized, the washing effect is general, and the expected target cannot be achieved. Mainly embodied in the following aspects:

A. because of being limited by the problem of constant water pressure of the water pump, the online cleaning of the large-air-volume multi-unit air dust removal and purification equipment cannot be realized;

B. the system is simple in arrangement, and the target cleaning effect cannot be achieved only by adopting tap water for pressurization and washing;

C. the system is simple in setting, the time and the period of cleaning cannot be adjusted according to actual needs by a client, and intellectualization, humanization, remote monitoring and remote operation cannot be achieved.

Disclosure of Invention

The invention aims to provide an electrostatic dust removal online washing purification device and a control method thereof, which are used for realizing online cleaning of electrostatic dust removal purification equipment, reducing manual operation, lowering maintenance cost, reducing equipment damage risk, enabling the equipment to keep a high-efficiency state to operate for a long time, ensuring constant pressure of a spraying system through the design of a plurality of water paths and a constant pressure system, solving the problem that a large-air-volume purification system is unstable in water pressure and cannot meet the requirement of large-air-volume purification.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

one of the provided schemes of the invention is as follows: the utility model provides an online washing purifier of electrostatic precipitator, includes the frame and installs the electrostatic precipitator module that sets up in the frame, and it still includes the constant voltage and sprays the washing device, the constant voltage sprays the washing device and includes constant voltage water pump, inlet tube, dosing pipe and shower, be provided with the purification shower nozzle that is used for spraying the washing electrostatic precipitator module on the shower.

As a further preferred option of the scheme, a water inlet of the constant pressure water pump is respectively connected with a water source and the chemical box through a water inlet pipe and a chemical feeding pipe, and a water outlet is connected with the spray pipe through a plurality of water outlet branch pipes.

As a further preferred option of the scheme, the constant pressure water pump is a constant pressure variable frequency water pump; the water source adopts warm water.

As a further preferred option of the scheme, a controllable dosing valve and a stop valve are arranged on the dosing pipe; and a liquid level meter is arranged in the medicament box.

As a further preferred aspect of the present invention, the frame has a multi-layer structure, and a plurality of electrostatic dust removal modules are mounted on each layer side by side, the electrostatic dust removal modules have a modular design structure, and each electrostatic dust removal module is detachably connected in an assembled manner; and the one end of every layer of frame is provided with and is used for realizing the electrically conductive power connection box in side, and the other end is provided with and is used for the most avris electrostatic precipitator module to its inside maintenance space case that removes, maintenance space case communicates with each other with the frame is inside, the air inlet side end of every layer of frame all installs the detachable baffle of facilitating maintenance.

As a further preferred option of this scheme, the air intake of the electrostatic dust removal module is provided with a pre-filtering net, and the side is installed near one side of the frame, the air outlet side of the electrostatic dust removal module is provided with a spraying space for the spraying pipe to pass through, one side of each layer of electrostatic dust removal module is provided with a spraying pipe, and the spraying pipe part facing each electrostatic dust removal module is provided with at least one purification nozzle.

As a further preferred option of this scheme, the shower down arranges the setting in proper order from the top along the frame, and each shower passes through a water outlet branch pipe and connects the constant voltage water pump, and every water outlet branch pipe connects the shower all the way at least to all be provided with controllable outlet valve on every water outlet branch pipe.

In a further preferred embodiment of the present invention, a water collection tray is disposed at a bottom of the frame, and a water discharge port is disposed at one side of the water collection tray and connected to a water discharge pipe for discharging the washed cleaning solution.

The second scheme provided by the invention is as follows: the utility model provides an online washing purifier's of electrostatic precipitator control system, its includes equipment control module, heats the module, monitoring module and storage module, wherein:

the equipment control module is used for receiving a control instruction of the cloud end or the operation end and a monitoring signal sent by the monitoring module, and controlling the on-off of a controllable valve on each pipeline to start and stop the constant-pressure water pump;

the heating module is used for heating a water source at the end of the water inlet pipe to enable the water source to reach the set required temperature;

the monitoring module is used for monitoring the working state of the electrostatic dust removal module and emission indexes of the air supply system, wherein the emission indexes comprise temperature and humidity, PM2.5, PM10, PM1 and ozone concentration;

the storage module is used for the working information of each module, including working records, alarm records and cleaning records.

The third scheme provided by the invention is as follows: a control method of an electrostatic dust removal online washing purification device comprises the following steps:

monitoring the emission index of an air supply system by monitoring equipment, if the emission index is normal, continuing to keep monitoring, if the emission index is abnormal, firstly checking whether an electrostatic dust removal module is started, if the electrostatic dust removal module is not started, executing a step two, and if the electrostatic dust removal module is started, executing a step three;

step two, starting the electrostatic dust removal module, continuously monitoring the emission index, if the emission index is recovered to be normal after starting, continuously keeping monitoring, and if the emission index is still abnormal and does not reach the standard after starting, executing step three;

step three, the monitoring equipment sends an abnormal signal with an abnormal emission index to an equipment control system, and the equipment control system sends a cleaning instruction aiming at the electrostatic dust removal module; the cleaning of the electrostatic dust removal module comprises cleaning with a medicament and cleaning without the medicament;

the steps of cleaning with the medicament are as follows:

(1) the equipment control system controls the dosing valve to be closed, further closes the dosing pipeline, simultaneously controls the water outlet valve to be opened, opens the water inlet pipeline, starts the constant-pressure water pump, then sprays the electrostatic dust removal module by the warm water heated under the action of the water pump, moistens the electrostatic electric field and the pre-filtering net of the electrostatic dust removal module, and controls the water outlet valve to be closed, the constant-pressure water pump to be stopped and then drains water when the set spraying time is reached;

(2) after the set draining time is reached, the equipment control system controls the dosing valve to open, opens the dosing pipeline, simultaneously opens the dosing pipeline and the water inlet pipeline, sprays the mixture of the warm water and the medicament heated under the action of the water pump on the electrostatic dust removal module and the pre-filtering net, and when the set spraying time is reached, the equipment control system controls the water outlet valve and the pressurizing valve to close, stops the constant pressure water pump, and waits for the reaction of the medicament and the draining;

(3) after the set reaction and draining time is reached, the equipment control system controls the water outlet valve to be opened, the water inlet pipeline is opened, the constant-pressure water pump is started, then the warm water heated under the action of the water pump sprays the electrostatic dust collection module, and reagent reaction residues on the electrostatic dust collection module and the pre-filtering screen are washed;

(4) repeating the steps (1) to (3); until the cleaning requirement is met;

(5) starting a fan to blow dry the electrostatic field and the pre-filtering net;

the steps of cleaning without using the medicament are as follows:

(1) the equipment control system controls the dosing valve to be closed, further closes the dosing pipeline, simultaneously controls the water outlet valve to be opened, opens the water inlet pipeline, starts the constant-pressure water pump, then sprays the electrostatic dust removal module by the warm water heated under the action of the water pump, moistens the electrostatic electric field and the pre-filtering net of the electrostatic dust removal module, and controls the water outlet valve to be closed, the constant-pressure water pump to be stopped and then drains water when the set spraying time is reached;

(2) and starting the fan to blow dry the electrostatic field and the pre-filtering net.

The invention has the beneficial effects that: the invention realizes the online cleaning of the electrostatic dust removal purification equipment, reduces manual operation, reduces maintenance cost and equipment damage risk, enables the equipment to operate in a high-efficiency state for a long time, ensures the constant pressure of a spraying system through the design of a plurality of water paths and a constant pressure system, and solves the problem that the water pressure of a large-air-volume purification system is unstable and cannot meet the requirement of large-air-volume purification. Further:

(1) compared with the existing product, the product system is more intelligent and humanized, can be remotely monitored, can be remotely operated, can automatically alarm and can inquire the working history;

(2) compared with the existing product, the product can meet various installation space requirements, has conductive side surfaces and front maintenance, and is convenient for on-site installation and maintenance;

(3) compared with the existing products, the constant-pressure spraying device can adapt to various air volume requirements, and can ensure constant-pressure spraying, thereby ensuring the spraying effect;

(4) compare current product, whether this patent product can select to add the washing liquid, and the system is more intelligent, can satisfy multiple on-the-spot different demands.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic structural diagram of an electrostatic dust removal online water washing purification device;

FIG. 2 is a schematic view of a shower arrangement;

FIG. 3 is a schematic view of the frame and electrostatic precipitation module being assembled together;

FIG. 4 is a schematic structural diagram of an electrostatic dust removal module;

FIG. 5 is a schematic view of a front side inspection of an electrostatic precipitation module;

FIG. 6 is a logic diagram of the control of the electrostatic dust-removing on-line water washing purification device.

Labeled as: 1-frame, 2-electrostatic dust collection module, 3-constant pressure water pump, 4-water inlet pipe, 5-water outlet branch pipe, 6-spray pipe, 7-chemical feeding pipe, 8-chemical box, 9-chemical feeding valve, 10-stop valve, 11-water outlet valve A, 12-water outlet valve B, 13-water outlet valve C, 14-spray space, 15-water collecting tray, 16-water outlet, 17-pre-filter screen, 18-purification spray head, 19-power connection box, 20-maintenance space box and 21-baffle.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments.

The first embodiment.

As shown in fig. 1-5, an electrostatic dust removal online water washing and purifying device comprises a frame 1, an electrostatic dust removal module 2 installed in the frame 1, and a constant pressure spray water washing device. Constant voltage sprays washing unit includes constant voltage water pump 3, inlet tube 4, adds pencil 7 and shower 6, and constant voltage water pump 3's water inlet is respectively through inlet tube 4 and 7 connection water sources and chemical tank 8 of adding the pencil, and the delivery port is through a plurality of water outlet branch pipes 5 connection shower 6, be provided with the purification shower nozzle 18 that is used for spraying washing electrostatic precipitation module on the shower 6.

In this embodiment, the constant pressure water pump 3 is a constant pressure variable frequency water pump; the water source adopts warm water.

In this embodiment, the dosing pipe 7 is provided with a controllable dosing valve 9 and a stop valve 10; a liquid level meter is arranged in the chemical box 8.

In this embodiment, frame 1 adopts multilayer structure, and installs a plurality of electrostatic precipitator modules 2 on every layer side by side, electrostatic precipitator modules 2 adopts the modular design structure, and each electrostatic precipitator module 2 adopts detachable connection of assembling. Wherein modular design can realize assembling from top to bottom, about to the one end of every layer of frame is provided with and is used for realizing the electrically conductive power connection box in side, and the other end is provided with and is used for the most avris electrostatic precipitator module to its inside maintenance space case that removes, maintenance space case communicates with each other with the frame is inside, the air inlet side of every layer of frame all installs the detachable baffle of facilitating maintenance. Therefore, various air purification requirements can be met, and the problems of difficult field operation in a small space and the like are solved. This patent product can the electrically conductive front maintenance of side, solves the on-the-spot difficulty that can't overhaul the maintenance because the space is limited. Like fig. 5, when needing to overhaul, only need pull down the baffle earlier, then move avris electrostatic precipitator module to the maintenance space incasement, alright reserve the space like this, make the electrostatic precipitator module separation of concatenation, then pull down the electrostatic precipitator module that needs to overhaul from the front.

In this embodiment, the air inlet of the electrostatic dust removal module 2 is provided with a pre-filtering screen 17, and the side is installed near one side of the frame 1, the air outlet side of the electrostatic dust removal module 2 is provided with a spraying space 14 for a spraying pipe to pass through, one side of each layer of electrostatic dust removal module 2 is provided with one spraying pipe 6, at least one purification spray head 18 is installed at the position of the spraying pipe 6 facing each electrostatic dust removal module 2, and the spraying area of the purification spray head 18 covers the whole electrostatic dust removal module 2 completely.

In this embodiment, the shower 6 is arranged from top to bottom along frame 1 in proper order, and each shower 6 passes through outlet branch 5 and connects constant voltage water pump 3, and every outlet branch 5 connects shower 6 all the way at least to all be provided with controllable outlet valve on every outlet branch 5. The constant-pressure variable-frequency water pump is selected, so that the constant pressure of the whole cleaning loop of the equipment in a small range (1-20 electric fields) can be ensured, and in addition, the cleaning loop is added by adopting a batch cleaning scheme from top to bottom, so that the requirement of the whole washing electrostatic equipment on large air volume (1-60 electric fields) can be further expanded.

In this embodiment, a water collecting tray 15 is provided at the bottom of the frame 1, a water discharging port 16 is provided at one side of the water collecting tray 15, and the water discharging port 16 is connected to a water discharging pipe to discharge the cleaning liquid after washing.

Example two.

The utility model provides an online washing purifier's of electrostatic precipitator control system, its includes equipment control module, heats the module, monitoring module and storage module, wherein:

the equipment control module is used for receiving a control instruction of the cloud end or the operation end and a monitoring signal sent by the monitoring module, and controlling the on-off of a controllable valve on each pipeline to start and stop the constant-pressure water pump;

the heating module is used for heating a water source at the end of the water inlet pipe to enable the water source to reach the set required temperature;

the monitoring module is used for monitoring the working state of the electrostatic dust removal module and emission indexes of the air supply system, wherein the emission indexes comprise temperature and humidity, PM2.5, PM10, PM1 and ozone concentration;

the storage module is used for the working information of each module, including working records, alarm records and cleaning records.

In addition, the control system also comprises a communication module, a timing module and the like.

Through the system, the system can be manually controlled and monitored locally; the cloud system can be remotely controlled and monitored; the working state of electrostatic equipment, the temperature and the humidity, PM2.5, PM10, PM1 and ozone concentration in the system can be monitored and archived.

Through above-mentioned system, can also set up:

(1) the safety protection scheme is as follows:

1) when the static works, the cleaning working process cannot be started (the water is prevented from being directly sprayed to the high-voltage static electric field);

2) during cleaning, the electrostatic working process cannot be started (water is prevented from being directly sprayed to a high-voltage electrostatic field);

3) in the working process of using the medicament, when no medicament exists, the working process of cleaning is automatically locked, and an alarm is given and filed.

(2) The timing scheme is as follows:

can be freely set according to the requirements, and can be cleaned once a week, 1 time a month and every few days, and the system is provided with a clock-hand system.

(3) The cleaning starting scheme comprises the following steps:

the method can be started remotely, locally and regularly.

Example three.

A control method of an electrostatic dust removal online washing purification device comprises the following steps:

monitoring the emission index of an air supply system by monitoring equipment, if the emission index is normal, continuing to keep monitoring, if the emission index is abnormal, firstly checking whether an electrostatic dust removal module is started, if the electrostatic dust removal module is not started, executing a step two, and if the electrostatic dust removal module is started, executing a step three;

step two, starting the electrostatic dust removal module, continuously monitoring the emission index, if the emission index is recovered to be normal after starting, continuously keeping monitoring, and if the emission index is still abnormal and does not reach the standard after starting, executing step three;

step three, the monitoring equipment sends an abnormal signal with an abnormal emission index to an equipment control system, and the equipment control system sends a cleaning instruction aiming at the electrostatic dust removal module; the cleaning of the electrostatic dust removal module comprises cleaning with a medicament and cleaning without the medicament;

the steps of cleaning with the medicament are as follows:

(1) the equipment control system controls the dosing valve to be closed, further closes the dosing pipeline, simultaneously controls the water outlet valve to be opened, opens the water inlet pipeline, starts the constant-pressure water pump, then sprays the electrostatic dust removal module by the warm water heated under the action of the water pump, moistens the electrostatic electric field and the pre-filtering net of the electrostatic dust removal module, and controls the water outlet valve to be closed, the constant-pressure water pump to be stopped and then drains water when the set spraying time is reached;

(2) after the set draining time is reached, the equipment control system controls the dosing valve to open, opens the dosing pipeline, simultaneously opens the dosing pipeline and the water inlet pipeline, sprays the mixture of the warm water and the medicament heated under the action of the water pump on the electrostatic dust removal module and the pre-filtering net, and when the set spraying time is reached, the equipment control system controls the water outlet valve and the pressurizing valve to close, stops the constant pressure water pump, and waits for the reaction of the medicament and the draining;

(3) after the set reaction and draining time is reached, the equipment control system controls the water outlet valve to be opened, the water inlet pipeline is opened, the constant-pressure water pump is started, then the warm water heated under the action of the water pump sprays the electrostatic dust collection module, and reagent reaction residues on the electrostatic dust collection module and the pre-filtering screen are washed;

(4) repeating the steps (1) to (3); until the cleaning requirement is met (the flow can be freely set according to the actual requirement on site);

(5) starting a fan to blow dry the electrostatic field and the pre-filtering net;

the steps of cleaning without using the medicament are as follows:

(1) the equipment control system controls the dosing valve to be closed, further closes the dosing pipeline, simultaneously controls the water outlet valve to be opened, opens the water inlet pipeline, starts the constant-pressure water pump, then sprays the electrostatic dust removal module by the warm water heated under the action of the water pump, moistens the electrostatic electric field and the pre-filtering net of the electrostatic dust removal module, and controls the water outlet valve to be closed, the constant-pressure water pump to be stopped and then drains water when the set spraying time is reached;

(2) and starting the fan to blow dry the electrostatic field and the pre-filtering net.

In the specific use of the method, a customer can select the working valves according to the field requirements (for example, selecting the water outlet valve A and the water outlet valve B), and the working flow of each valve is similar to that of the method. In addition, the conditions of cleaning with the chemicals and cleaning without the chemicals can be specifically selected according to the monitored field environment, if the field dust is not large, cleaning without the chemicals can be selected, and if the field pollution concentration is higher, cleaning with the chemicals can be selected; meanwhile, if the monitored dust source is water-soluble, the cleaning without adding the medicament can be selected, and if the monitored dust edge is water-insoluble, the cleaning with the medicament can be selected.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution methods fall within the scope of the present invention.

The parts not involved in the present invention are the same as or can be implemented using the prior art.