CN209866838U - Program-controlled gas-phase electric switch cabinet dust removal system - Google Patents
Program-controlled gas-phase electric switch cabinet dust removal system Download PDFInfo
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- CN209866838U CN209866838U CN201920558187.5U CN201920558187U CN209866838U CN 209866838 U CN209866838 U CN 209866838U CN 201920558187 U CN201920558187 U CN 201920558187U CN 209866838 U CN209866838 U CN 209866838U
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Abstract
The utility model discloses a programme-controlled gaseous phase electrical switchgear dust pelletizing system, include: a gas purging system, an electric dust and vibration system and a dust removal control system; the gas purging system comprises an air compressor unit, a gas storage bottle and a gas converging channel, wherein outlet pipes of the air compressor unit and the gas storage bottle are communicated with the gas converging channel through a control valve, and the outlet end of the gas converging channel is connected with a high-speed gas flow nozzle and a gas guide air curtain; the electric dust removal and rapping system comprises an electrode grid, a rapping assembly and a glass fiber dust filtration grid. The system can be suitable for cleaning various electrical switch cabinets of a thermal power plant; the equipment cleaning operation of the electrical switch cabinet in a long-term continuous and interlocking working mode is realized by adopting an automatic integrated control system, on-site sampling, analysis and calculation and automatic output control. The system has the advantages of simple structure, mature technology, low failure rate, high reliability, low manufacturing cost and simple and low cost of daily operation and maintenance.
Description
Technical Field
The utility model relates to an electrical equipment field relates to the clean technique of electrical equipment of thermal power factory, especially relates to a programme-controlled gaseous phase electrical switch cabinet dust pelletizing system.
Background
A large amount of coal, ash and lime dust is generated in the production process of a thermal power plant, and micron-sized fine dust can diffuse and permeate into cabinets of various electrical switch cabinets of the power plant. Under the action of natural gravity, or because the charged body has adsorbability to particles, dust particles will form accumulation at the positions of buses, insulators, wiring terminals and the like. The electric switch cabinet is manufactured by long-term operation, and equipment is in a closed state, so that a large amount of accumulated dust is easily formed, and the accumulated dust is difficult to remove by proper time and measures. Dust accumulation inevitably deteriorates the heat dissipation condition of the electrical equipment, the running temperature of the equipment is increased, and the insulation and device aging are accelerated; the coal dust also has conductive and combustible characteristics, and once the insulation is aged and damaged, the coal dust is very likely to explode due to electric spark formed by conductive breakdown, thereby causing serious consequences and great loss. Therefore, it is very important to remove dust from electrical equipment and keep the equipment clean for safe operation.
At present, electrical equipment cleaning of a thermal power plant is carried out manually during overhaul and shutdown of a unit. The manual maintenance cost is high, the efficiency is low, the operation reliability is poor, and a perfect program control gas-phase electric switch cabinet dust removal system does not exist at present.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a programme-controlled gaseous phase electrical switchgear dust pelletizing system. The system adopts the program automatic control system to implement the on-line cleaning operation of the electrical equipment, can ensure the cleanness and the safety of the electrical equipment, reduces the manual labor and improves the operation reliability.
In order to achieve the purpose, the utility model discloses a realize through following technical scheme:
a programmable gas phase electrical switchgear dust removal system comprising: the device comprises a gas purging system, an electric dust removal and vibration system and a dust removal control system;
the gas purging system comprises an air compressor unit, a gas storage bottle and a gas converging channel, wherein outlet pipes of the air compressor unit and the gas storage bottle are communicated with the gas converging channel, and an outlet end of the gas converging channel is connected with a high-speed gas flow nozzle and a gas guide air curtain; the high-speed airflow nozzle and the gas guide air curtain are both arranged in the electrical switch cabinet;
the electric dust removal and rapping system comprises an electrode grid, a rapping assembly and a glass fiber dust filtering grid; the electrode grid, the rapping assembly and the glass fiber dust filtering grid are all arranged in the electrical switch cabinet;
the dust removal control system comprises a control bus, a dust removal controller, a valve control box and an electric dust and vibration control box, wherein the dust removal controller, the valve control box and the electric dust and vibration control box are electrically connected with the control bus, the control bus is respectively in signal connection with control valves of the gas storage bottle, the air compressor unit and the high-speed gas flow nozzle through control sub-lines, and the valve control box is electrically connected with the control valves of the gas purging system; the electric dust removal and vibration control box is electrically connected with the electrode grid and the vibration assembly.
An outlet pipeline of the air compressor unit is connected with an inflow end of a first control valve, and an outflow end of the first control valve is connected with a gas confluence pipeline; the gas outlet nozzle of the gas storage cylinder is connected with the inflow end of the second control valve, and the outflow end of the second control valve is connected with the gas confluence channel; the high-speed airflow nozzle is connected with the outflow end of the third control valve, and the inflow end of the third control valve is connected with the gas confluence channel.
The electrode grid is arranged at an air outlet at the top of the electric switch cabinet; the total vibration components are arranged at four corners of the electrical switch cabinet in three layers; the glass fiber dust filtering grid is arranged on an air inlet pipeline of the air compressor unit and an air outlet at the top of the electric switch cabinet; the high-speed airflow nozzles are arranged at four corners of the bottom of the electrical switch cabinet; the air guide air curtain is arranged at an air inlet at the bottom of the electrical switch cabinet.
The outlet pipes of the air compressor unit and the gas storage cylinder are both copper guide pipes; the gas confluence channel adopts a copper guide pipe; and a safety valve is assembled on the gas confluence passage.
The dust removal controller and the control bus are arranged in the control room.
The air compressor set, the gas storage cylinder, the valve control box and the electric dust removal and vibration control box are arranged beside the electric switch cabinet.
The gas concentration measuring meter, the local interlocking switch, the gas concentration measuring meter and the local interlocking switch are arranged beside the electrical switch cabinet, and the control bus is in signal connection with the gas concentration measuring meter and the local interlocking switch through a control sub-line.
The high-speed airflow nozzle and the air guiding air curtain are arranged on the adjusting seat and used for adjusting the angle and the swing angle.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a programme-controlled gaseous phase electrical switchgear dust pelletizing system, be based on the very high actual operating environment of concentration of buggy, coal dust, lime dust and dust in the power plant air, on the basis of carrying out the identification analysis to the danger that the electrical equipment of power plant formed, implement automatic online dust removal measure pertinence, this system uses clean air as the medium, after straining the dirt, pressurize, generate wobbling jet flow, constantly send into clean new trend to the cubical switchboard is internal, establish the interior pressure-fired air field of cubical switchboard, prevent the pollutant and the dust outside the cabinet to get into the cabinet; can also form pulse impact torrent, the cabinet body is beaten to the cooperation assembly of shaking, and the ash deposit that shakes down scatters under the impact of pulse torrent, discharges along with the new trend of system, plays the effect of clean cubical switchboard laying dust. The application program automatically controls the dust removal system to carry out the on-line cleaning operation of the electrical equipment, so that the cleaning safety of the electrical equipment can be guaranteed, the manual labor is reduced, and the operation reliability is improved. The system can be suitable for cleaning various electrical switch cabinets of a thermal power plant; the equipment cleaning operation of the electrical switch cabinet in a long-term continuous and interlocking working mode is realized by adopting an automatic integrated control system, on-site sampling, analysis and calculation and automatic output control. The automatic program control system is adopted to implement the on-line cleaning operation of the electrical equipment, so that the cleaning safety of the electrical equipment can be guaranteed, the manual labor is reduced, and the operation reliability is improved.
The utility model discloses can be according to the dust and the pollutant concentration at scene, perhaps according to the link that the production flow probably generated dust pollutant, automatic start cleans, and the leading-in gaseous confluent way of propelling movement new trend is and is by high-pressure gas propelling movement to direction air distribution wind curtain, and the jet flow is to the production site dust removal and dustproof control. And the high-speed airflow nozzle can be used for strong dust removal.
Drawings
FIG. 1 is a process flow diagram of the system of the present invention;
fig. 2 is a schematic structural view (front view) of the system of the present invention;
fig. 3 is a schematic structural view (top view) of the system of the present invention;
in the figure: 1. an air compressor unit; 2. a dust removal controller; 3. a valve control box; 4. an electric dust removal and vibration control box; 5. a control valve; 6. a high-velocity gas stream nozzle; 7. the gas is guided to the air curtain; 8. a safety valve; 9. a gas manifold; 10. a control bus; 11. a valve control line; 12. a gas cylinder; 13. a gas concentration meter; 14. a local interlock switch; 15. an electrode grid; 16. a rapping assembly; 17. and (3) glass fiber dust filtering grids.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
As shown in fig. 1 to 3, the utility model relates to a programme-controlled gaseous phase electrical switchgear dust pelletizing system, include: a gas purging system, an electric dust and vibration system and a dust removal control system;
the purging control subsystem comprises an air compressor unit 1, a gas storage bottle 12 and a gas converging channel 9, outlet pipes of the air compressor unit 1 and the gas storage bottle 12 are communicated with the gas converging channel 9 through a control valve, and an outlet end of the gas converging channel 9 is connected with a high-speed gas flow nozzle 6 and a gas guide air curtain 7; the high-speed airflow nozzle 6 and the gas guide air curtain 7 are arranged in the electrical switch cabinet;
the electric dust removal and rapping system comprises an electrode grid 15, a rapping assembly 16 and a glass fiber dust filtering grid 17; the electrode grid 15, the rapping assembly 16 and the glass fiber dust filtering grid 17 are all arranged in the electrical switch cabinet;
the dust removal control system comprises a control bus 10, a dust removal controller 2, a valve control box 3 and an electric dust removal and vibration control box 4, wherein the dust removal controller 2, the valve control box 3 and the electric dust removal and vibration control box 4 are all electrically connected with the control bus 10, the control bus 10 is respectively in signal connection with control valves of the gas storage bottle 12, the air compressor unit 1 and the high-speed gas flow nozzle 6 through control sub-lines, and the control bus 10 is in signal connection with a gas concentration meter 13 and a local interlocking switch 14 through the control sub-lines; the valve control box 3 is electrically connected with each control valve; the electric dust removal and rapping control box 4 is electrically connected with the electrode grid 15 and the rapping assembly 16.
Examples
As shown in fig. 1 to 3, a program-controlled gas-phase electrical switch cabinet dust removal system comprises an air compressor unit 1, a dust removal controller 2, a valve control box 3, an electric dust removal and rapping control box 4, a control valve 5, a high-speed gas flow nozzle 6, a gas guide air curtain 7, a safety valve 8, a gas gathering channel 9, a control bus 10, a valve control line 11, a gas storage bottle 12, a gas concentration measuring meter 13, a local interlock switch 14, an electrode grid 15, a rapping assembly 16 and a glass fiber dust filtration grid 17.
An air outlet of the air compressor unit 1 is connected with an inflow end of the control valve TJF1 through a copper conduit, and an outflow end of the control valve TJF1 is connected with the gas gathering channel HLG 9 through the copper conduit.
The gas outlet nozzle of the gas storage bottle 12 is connected with the inflow end of the control valve TJF2, and the outflow end of the control valve TJF2 is connected with the gas converging channel 9; the high-speed gas flow nozzle 6 is connected with the outflow end of the control valve TJF3, and the inflow end of the control valve TJF3 is connected with the gas converging channel 9. The control valves 5 are associated with corresponding valve control boxes 3.
The airflow terminal of the gas collecting channel HLG 9 is connected with a guiding air distribution air curtain 7; the gas manifold HLG 9 is equipped with a safety valve AQF.
The rapping assembly 16 comprises a driving motor, a transmission mechanism and a flexible insulated rubber rapping hammer. The transmission mechanism is driven by the driving motor to enable the rapping hammer to vibrate in a periodic reciprocating manner, so that the switch cabinet body is uniformly knocked, and accumulated dust is vibrated to scatter. The electric dust-collecting and rapping control box 4 supplies electric energy to the rapping assembly 16 and controls the running rhythm and rapping energy.
The gas purging system is provided with a corresponding dust removal controller 2 and a control bus 10; the corresponding field instrumentation device includes: gas concentration meter 13, on-site operation interlock switch 14. The system is controlled by a computer program and can select an automatic or manual working mode. In an automatic working mode, the system is started by field measurement and control equipment, and the controller sets a flow and parameters according to a program and schedules the pressure, flow and output of the equipment of the whole system so as to adapt to the operating environment and the cleaning and purging requirements of operators.
The dust removal controller 2 and the control bus 10 are arranged in the control room. Indoor has heating, ventilating and lighting facilities. The air compressor unit 1, the gas storage cylinder 12, the valve control box 3, the electric dust removal and rapping control box 4, the gas concentration meter 13 and the local interlocking switch 14 are arranged beside the electric switch cabinet. The gas collecting channel 9 is communicated with related equipment, and clean fresh air is guided and sent to the field switch cabinet.
The dust removal controller 2 automatically controls the operation of the air compressor unit 1, the valve control box 3 and the electric dust removal and vibration control box 4 according to a program under a normal state, and continuously or periodically and discontinuously purges and cleans the switch cabinet. The first control valve TJF1 is fully opened, compressed air is introduced into the gas converging channel 9, and the system operates and is pressurized; high-pressure gas is pushed to the guide air distribution air curtain 7 to generate swinging jet flow, clean fresh air is continuously fed into the switch cabinet body, a micro-positive pressure air field is established in the switch cabinet, and pollutants and dust outside the cabinet are prevented from entering the cabinet; the air in the cabinet is circularly discharged after being dedusted and purified by the cabinet top electrode grid 15 and the glass fiber dust filtering grid 17.
The dust removal controller 2 can send a signal to prompt the attention of field operators.
The gas gathering channel 9 and the connecting pipe are made of copper materials, the basic load of the equipment meets the equipment load requirement, the equipment is firm and straight, and the size of the embedded part is accurate.
The utility model also provides a control method of programme-controlled gaseous phase electrical switchgear dust pelletizing system:
the gas concentration meter 13 samples the air pollutant and dust concentration of the detection equipment site in real time, and sends the detection parameters to the dust removal controller 2 through the control bus 10 for comparison and analysis;
when the concentration of air pollutants and dust on the site of equipment reaches the preset starting value of a control system, or the leakage and diffusion of pollutants and dust are possible to occur due to the process flow of material conveying and transporting, the dust removal controller 2 starts the air compressor unit 1, the valve control box 3 and the electric dust removal and vibration control box 4; the first control valve TJF1 is fully opened, compressed air is introduced into the gas converging channel 9, and the system operates and is pressurized; high-pressure gas is pushed to the guide air distribution air curtain 7 to generate swinging jet flow, clean fresh air is continuously fed into the switch cabinet body, a micro-positive pressure air field is established in the switch cabinet, and pollutants and dust outside the cabinet are prevented from entering the cabinet; if the concentration of air pollutants and dust on the equipment site is increased, the dust removal controller 2 increases the output of the air compressor unit 1, improves the air pressure and the air volume, simultaneously starts the rapping assembly 16, raps the cabinet body, and prevents dust and sundries from being accumulated. And the dust removal controller 2 adjusts the system to recover the normal working state until the air pollutant and dust concentration on the equipment site are recovered to be normal. The dust removal controller 2 can send a signal to prompt the attention of field operators.
Preferably, the process running state and the concentration parameters of the on-site dust and pollutant gas are comprehensively analyzed by the dust removal controller 2, an optimal control mode is output through optimal calculation, the pressure of the air compressor unit 1 is adjusted, the opening of a valve is controlled, and the clean gas is adjusted to achieve the optimal air pressure and flow.
Preferably, the dust removal controller 2 controls the guide air distribution air curtain 7 to generate swinging jet flow, clean fresh air is continuously fed into the switch cabinet body, and a micro-positive pressure air field is established in the switch cabinet to prevent dust from entering the switch cabinet.
Preferably, the dust removal controller 2 controls the electric field intensity of the electrode grid 15 to adjust the dust removal effect of the electric dust removal.
Preferably, the dust-removal controller 2 controls the rapping intensity and frequency of the rapping assembly 16, regulates the dust-removal effect, and prevents dust from accumulating.
Preferably, the gas manifold HLG 9 is provided with a safety pressure protection valve AQF to ensure that the system operating pressure does not exceed a safety protection value.
The working principle of the program-controlled gas-phase electric switch cabinet dust removal system provided by the application is explained in detail below.
The dust removal controller 2 is adopted to realize automatic program monitoring of the whole blowing and cleaning process of various electrical switch cabinets of the thermal power plant, and the operation is automatically started or stopped according to the air pollutant and dust concentration of the equipment site or the interlocking requirement of the cleaning production process.
The air compressor unit 1, the dust removal controller 2, the valve control box 3 and the electric dust removal and vibration control box 4 are in a charged working state under normal conditions. The gas pressure of the gas collecting channel 9, the gas storage bottle 12 and the voltage of the electrode grid 15 are important system parameter values and are monitored by the dust removal controller 2.
The gas concentration meter 13 samples and detects the concentration of air pollutants and dust in the production site in real time, and sends the detection parameters to the dust removal controller 2 for analysis through the control bus 10. When the concentration of air pollutants and dust on the site of equipment reaches a preset starting value of a control system, a dust removal controller 2 starts an air compressor unit 1, a valve control box 3 and an electric dust removal and vibration control box 4; the first control valve TJF1 is fully opened, compressed air is introduced into the gas converging channel 9, and the system operates and is pressurized; high-pressure gas is pushed to the guide air distribution air curtain 7 to generate swinging jet flow, clean fresh air is continuously fed into the switch cabinet body, a micro-positive pressure air field is established in the switch cabinet, and pollutants and dust outside the cabinet are prevented from entering the cabinet; if the concentration of air pollutants and dust on the equipment site is increased, the dust removal controller 2 increases the output of the air compressor unit 1, improves the air pressure and the air volume, simultaneously starts the rapping assembly 16, raps the cabinet body, and prevents dust and sundries from being accumulated. And the dust removal controller 2 adjusts the system to recover the normal working state until the air pollutant and dust concentration on the equipment site are recovered to be normal. The dust removal controller 2 can send a signal to prompt the attention of field operators.
After long-term operation, dust particles are already accumulated in the switch cabinet, and the dust removal controller (2) adopts pulse airflow and vibration to enhance the dust removal effect. The dust removal controller 2 starts the air compressor unit 1, the valve control box 3, the electric dust removal and vibration control box 4 and the gas storage cylinder 12, compressed air forms pulse impact turbulence through the high-speed airflow nozzle 6, the vibration assembly 16 vibrates the cabinet body, dust accumulation is vibrated and dispersed under the impact of the pulse turbulence, and fresh air flow of the system is circularly discharged after dust removal and purification through the cabinet top electrode grid 15 and the glass fiber dust filtration grid 17.
The dust removal controller 2 adjusts the system output and the valve opening according to the detection data of the gas concentration meter 13, and controls the pressure and the flow of the clean fresh air; the angle and the swing angle of the gas guide air curtain 7, the electric field intensity of the electrode grid 15, the rapping strength and the frequency of the rapping assembly 16 and the like are controlled, so that the optimal prevention, control, purging and cleaning effects are achieved.
The gas concentration meter 13 will continuously detect the air contaminant and dust concentration of the on-site switch cabinet, when the concentration is higher than the alarm value, the alarm is immediately performed on the operation main screen, and the purging program is automatically started. And after the concentration of air pollutants and dust of the on-site switch cabinet is continuously reduced in the system blowing process, the control system gradually reduces the system output until the normal working state is recovered.
Working state parameters, on-off states and the like of equipment in the system are monitored by the dust removal controller 2, and when equipment faults, on-off state abnormity and the like are diagnosed, an alarm is given to an operator immediately to prompt maintenance.
The utility model discloses a programme-controlled gaseous phase electrical switch cabinet dust pelletizing system, the very high actual motion environment of concentration based on buggy, coal dust, lime dust and coal ash dirt in the power plant air, on discerning the basis of analysis to the danger of the electrical equipment formation of power plant, implement automatic online dust removal measure pertinence.
The system can be suitable for cleaning various electrical switch cabinets of a thermal power plant; the equipment cleaning operation of the electrical switch cabinet in a long-term continuous and interlocking working mode is realized by adopting an automatic integrated control system, on-site sampling, analysis and calculation and automatic output control. The system has the advantages of simple structure, mature technology, low failure rate, high reliability, low manufacturing cost and simple and low cost of daily operation and maintenance.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a programme-controlled gaseous phase electrical switchgear dust pelletizing system which characterized in that includes: the device comprises a gas purging system, an electric dust removal and vibration system and a dust removal control system;
the gas purging system comprises an air compressor unit (1), a gas storage bottle (12) and a gas converging channel (9), outlet pipes of the air compressor unit (1) and the gas storage bottle (12) are communicated with the gas converging channel (9), and the outlet end of the gas converging channel (9) is connected with a high-speed gas flow nozzle (6) and a gas guide air curtain (7); the high-speed airflow nozzle (6) and the gas guide air curtain (7) are arranged in the electrical switch cabinet;
the electric dust removal and rapping system comprises an electrode grid (15), a rapping assembly (16) and a glass fiber dust filtering grid (17); the electrode grid (15), the rapping assembly (16) and the glass fiber dust filtering grid (17) are all arranged in the electrical switch cabinet;
the dust removal control system comprises a control bus (10), a dust removal controller (2), a valve control box (3) and an electric dust removal and vibration control box (4), wherein the dust removal controller (2), the valve control box (3) and the electric dust removal and vibration control box (4) are electrically connected with the control bus (10), the control bus (10) is in signal connection with control valves of the gas storage bottle (12), the air compressor unit (1) and the high-speed airflow nozzle (6) through control sub-lines respectively, and the valve control box (3) is electrically connected with control valves of the gas purging system; the electric dust removal and rapping control box (4) is electrically connected with the electrode grid (15) and the rapping assembly (16).
2. The dust control system for program-controlled gas-phase electrical switchgear cabinet according to claim 1, wherein the outlet pipeline of the air compressor unit (1) is connected to the inlet of the first control valve (TJF1), and the outlet of the first control valve (TJF1) is connected to the gas collecting channel (9); the gas outlet nozzle of the gas storage bottle (12) is connected with the inflow end of a second control valve (TJF2), and the outflow end of the second control valve (TJF2) is connected with the gas converging channel (9); the high-speed gas flow nozzle (6) is connected with the outflow end of the third control valve (TJF3), and the inflow end of the third control valve (TJF3) is connected with the gas confluence passage (9).
3. The programmable gas-phase electrical switchgear dedusting system according to claim 1, characterized in that the electrode grid (15) is arranged at the electrical switchgear top outlet; the rapping assemblies (16) are arranged at four corners of the electrical switch cabinet in three layers; the glass fiber dust filtering grid (17) is arranged at an air inlet pipeline of the air compressor unit (1) and an air outlet at the top of the electric switch cabinet; the high-speed airflow nozzles (6) are arranged at four corners of the bottom of the electrical switch cabinet; the air guide air curtain (7) is arranged at an air inlet at the bottom of the electrical switch cabinet.
4. The dust removal system for program-controlled gas-phase electrical switch cabinets of claim 1, wherein the outlet pipes of the air compressor unit (1) and the gas storage cylinder (12) are both copper pipes; the gas gathering channel (9) adopts a copper guide pipe; and a safety valve (8) is assembled on the gas gathering channel (9).
5. The programmable gas-phase electrical switchgear cabinet dedusting system according to claim 1, characterized in that the dedusting controller (2) and the control bus (10) are arranged in a control room.
6. The program-controlled gas-phase electrical switchgear dust removal system according to claim 1, characterized in that the air compressor unit (1), the gas cylinder (12), the valve control box (3) and the electrical dust and rapping control box (4) are arranged beside the electrical switchgear.
7. The dust control system for a programmable gas-phase electrical switchgear cabinet according to claim 1, characterized in that a gas concentration meter (13), an in-situ interlock switch (14), the gas concentration meter (13) and the in-situ interlock switch (14) are arranged beside the electrical switchgear cabinet, and the control bus (10) is in signal connection with the gas concentration meter (13) and the in-situ interlock switch (14) via control sub-lines.
8. The dust control system for program-controlled gas-phase electrical switchgear cabinets of claim 1, wherein the high-velocity gas flow nozzles (6) and the gas guiding air curtain (7) are arranged on an adjusting seat for adjusting the angle and swing angle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920558187.5U CN209866838U (en) | 2019-04-23 | 2019-04-23 | Program-controlled gas-phase electric switch cabinet dust removal system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920558187.5U CN209866838U (en) | 2019-04-23 | 2019-04-23 | Program-controlled gas-phase electric switch cabinet dust removal system |
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| CN209866838U true CN209866838U (en) | 2019-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000158A (en) * | 2019-04-23 | 2019-07-12 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of program-controlled gas phase cabinet dust pelletizing system and control method |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000158A (en) * | 2019-04-23 | 2019-07-12 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of program-controlled gas phase cabinet dust pelletizing system and control method |
| CN110000158B (en) * | 2019-04-23 | 2024-03-26 | 中国电力工程顾问集团西北电力设计院有限公司 | Program-controlled gas-phase electrical switch cabinet dust removal system and control method |
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