CN112191642A - Novel energy-saving dust removal system - Google Patents
Novel energy-saving dust removal system Download PDFInfo
- Publication number
- CN112191642A CN112191642A CN202011109219.7A CN202011109219A CN112191642A CN 112191642 A CN112191642 A CN 112191642A CN 202011109219 A CN202011109219 A CN 202011109219A CN 112191642 A CN112191642 A CN 112191642A
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- China
- Prior art keywords
- dust removal
- belt transmission
- transmission device
- pipeline
- dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
Abstract
The invention provides a novel energy-saving dust removal system, which comprises a dust removal pipeline; the dust removal pipeline is arranged at the upper end of the belt transmission device; a dust removing cover is arranged at the inlet of the dust removing pipeline, and a monitoring device for monitoring the running information of the belt transmission device is arranged on one side of the dust removing cover; an electric control valve is arranged in the dust removal pipeline; the monitoring device is interlocked with the electric control valve through a PLC controller; an air pressure sensor is arranged at the outlet of the dust removal pipeline. The monitoring device is interlocked with the electric control valve, the electric control valve is automatically adjusted according to the running state of the belt transmission device, the dust removal pipeline valve can be closed in time, the situation that the fan runs continuously is avoided, the utilization rate of the fan of the furnace is improved, and the loss of electric energy is reduced; meanwhile, the air pressure sensor is arranged and matched with the high-voltage frequency converter to control the high-voltage motor and further adjust the rotating speed of the fan, so that the fan further reduces power consumption loss on the premise of meeting working pressure, the production efficiency is improved, and the economic benefit is improved.
Description
Technical Field
The invention relates to the technical field of dust removal in sintering production, in particular to a novel energy-saving dust removal system.
Background
The smoke emitted during the ore removal period of sintering is one of the main pollution sources of the sintering plant to the atmosphere, and along with the intensified smelting and the large-scale of the blast furnace, if no effective smoke gas trapping and purifying measures are taken, the environmental pollution is more and more serious. Mineral aggregate is conveyed by the belt conveyor, and the belt conveyor is matched with the dust removal system to improve the environment in sintering production, so that the dust removal efficiency of the dust removal system plays an important role in production. The dust removal system comprises a dust removal pipeline, a dust removal pipeline valve, a high-voltage frequency converter, a high-voltage motor and a fan, wherein the high-voltage frequency converter controls the high-voltage motor to drive the fan to draw air, and the dust removal effect is achieved. The existing dust removal pipeline valve is mainly manually adjusted by operators according to experience, but certain error and hysteresis exist in the manual adjustment pipeline valve, the dust removal pipeline valve cannot be closed timely due to factors such as negligence and misoperation of the operators, and accordingly dust harm and environmental pollution are caused, and the whole adjustment process is complex in operation, high in labor intensity, time-consuming and labor-consuming; meanwhile, the fan is continuously in the air draft process, the full-load operation of the fan is caused due to the fact that the valve of the dust removal pipeline is not closed in time, the utilization rate of the fan is low, the electric energy loss is large, and the economic benefit is poor.
Disclosure of Invention
The invention aims to provide a novel energy-saving dust removal system which is used for realizing automatic adjustment of a dust removal pipeline valve, effectively avoiding continuous full-load operation of a fan, improving the utilization rate of the fan, reducing the load energy consumption of the dust removal system and improving the economic benefit.
In order to achieve the purpose, the invention provides a novel energy-saving dust removal system, which comprises a dust removal pipeline; the dust removal pipeline is arranged at the upper end of the belt transmission device; a dust removing cover is arranged at the inlet of the dust removing pipeline, and a monitoring device for monitoring the running information of the belt transmission device is arranged on one side of the dust removing cover; an electric control valve is arranged in the dust removal pipeline; the monitoring device is interlocked with the electric control valve through a PLC controller; and an air pressure sensor is arranged at the outlet of the dust removal pipeline.
Further, the PLC controller includes: the PLC slave station is used for receiving the running information of the belt transmission device fed back by the monitoring device in real time and sending the received running information of the belt transmission device to the PLC master station in real time, and the PLC master station is used for receiving the running information of the belt transmission device sent by the PLC slave station in real time and processing the received running information of the belt transmission device into data signals to be sent to the electric valve in real time.
Further, the monitoring device opens or closes the electric valve through the PLC controller; the monitoring device is an infrared sensor.
Further, the dust hood is of a bell mouth structure with a small upper part and a large lower part; the dust removal pipeline elbow adopts an arc-shaped elbow.
Further, the air pressure sensor is used for detecting the air pressure in the dust removal pipeline; the air pressure sensor is electrically connected with the high-voltage frequency converter; the high-voltage frequency converter controls the high-voltage motor to adjust the rotating speed of the fan.
The invention has the beneficial effects that:
1. the dust removal pipeline is provided with the electric control valve, the monitoring device is arranged for collecting the running information of the belt transmission device and interlocking the monitoring device and the electric control valve, the automatic adjustment of the electric control valve is realized according to the running state of the belt transmission device, the problem that certain error and hysteresis exist in manual adjustment of the pipeline valve by an operator according to experience in the prior art is solved, the dust hazard and environmental pollution caused by failure of timely closing the dust removal pipeline valve due to personnel negligence, misoperation and other factors of the operator are avoided, the labor intensity of the operator can be effectively reduced, and the stability and the coordination of the production process are improved.
2. The fan is used for exhausting air for the dust removal pipeline, the dust removal effect is achieved, the monitoring device is arranged to be interlocked with the electric control valve, the situation that the fan continuously operates all the time due to the fact that the valve of the dust removal pipeline is not closed when the belt transmission device stops operating can be avoided, the utilization rate of the fan is improved, and the loss of electric energy is reduced; simultaneously, an air pressure sensor is arranged at the outlet of the dust removal pipeline, the actual air pressure in the dust removal pipeline is collected in real time and is conveyed to a high-voltage frequency converter, the high-voltage frequency converter can judge the normal operation of the belt transmission device according to the air pressure value, the running is stopped, and three conditions of blockage occur in the dust removal pipeline, and a high-voltage motor is regulated and controlled according to the three conditions, so that the air speed and the air quantity output by the fan are regulated, the fan further reduces the power consumption on the premise of meeting the working pressure, the production efficiency is improved, the power consumption cost is reduced, and the economic.
Drawings
FIG. 1 is a schematic structural view of the novel energy-saving dust removal system of the present invention.
In the figure:
1-a dust removal pipeline; 2-a belt transmission device; 3-dust removal hood; 4-a monitoring device; 5-an electrically controlled valve; 6-a barometric sensor; and 7, a high-voltage frequency converter.
Detailed Description
The invention will be described in further detail below with reference to the drawings, but the scope of the invention is not limited thereto.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the present invention is conventionally placed in when used, and are merely used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the present invention is directed must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
As shown in FIG. 1, the novel energy-saving dust removing system comprises a dust removing pipeline 1; the dust removal pipeline 1 is arranged at the upper end of the belt transmission device 2; a dust hood 3 is arranged at an inlet of the dust removing pipeline 1, and the dust hood 3 is of a bell mouth structure with a small upper part and a large lower part and is used for rapidly pumping dust or suspended small particles in an area below the dust hood into the dust removing pipeline 1; a monitoring device 4 for monitoring the running information of the belt transmission device 2 is arranged on one side of the dust hood 3, and preferably, the monitoring device 4 is arranged on the right side of the dust hood 3; the elbow of the dust removal pipeline 1 is an arc-shaped elbow, so that the branch pipes of the dust removal pipeline are prevented from being vertically connected, the air quantity loss can be effectively reduced, the workload of a fan is reduced, and the energy consumption is reduced.
Inside electric valve 5 located dust removal pipeline 1, specifically, electric valve 5 located dust removal pipeline 1 elbow rear end department. Electrically controlled valve 5 passes through the PLC controller and interlocks with monitoring devices 4, and monitoring devices 4 open or close electrically controlled valve 5 through the PLC controller, and wherein, the PLC controller includes: the PLC slave station is used for receiving the running information of the belt transmission device 2 fed back by the monitoring device in real time and sending the received running information of the belt transmission device 2 to the PLC master station in real time, and the PLC master station is used for receiving the running information of the belt transmission device 2 sent by the PLC slave station in real time and processing the received running information of the belt transmission device 2 into a data signal to be sent to the electric valve 5 in real time. When the belt transmission device 2 is opened, the monitoring device 4 detects that the belt transmission device 2 operates, the electric valve 5 is automatically controlled at the moment, when the belt transmission device 2 is closed, the monitoring device 4 detects that the belt transmission device 2 stops operating, the electric valve 5 is automatically controlled to be closed at the moment, and the method is different from the problem that certain error and hysteresis exist in manual adjustment of a pipeline valve by an operator through experience in the prior art, so that the problem that the dust removal pipeline valve cannot be closed timely due to factors such as personnel negligence, misoperation and the like of the operator is avoided, dust harm and environmental pollution are caused, and the whole adjustment process is complex in operation, high in labor intensity, time-consuming and labor-consuming; through setting up electric valve and monitoring devices 4 interlocking, to 2 running state of belt transmission device, electric valve automatically regulated can effectively alleviate operating personnel's intensity of labour, improves the stability and the harmony of production process. Specifically, the monitoring device 4 is an infrared sensor.
The fan arranged on the dust removal system is used for exhausting air for the dust removal pipeline, the dust removal effect is achieved, if an operator fails to close a valve of the dust removal pipeline in time due to factors such as negligence of personnel, misoperation and the like, the fan at the moment is always in a full-load operation state, the utilization rate of the fan is low, the electric energy loss is large, and the economic benefit is poor. Set up electric valve and monitoring devices 4 interlocking, can realize that the dust removal pipeline valve opens and shuts, avoided the fan to last to be in full load running state, improved the fan utilization ratio, reduced the loss of electric energy.
An air pressure sensor 6 is arranged at the outlet of the dust removing pipeline 1, and the air pressure sensor 6 is used for collecting the actual air pressure in the dust removing pipeline in real time; the pneumatic sensor 6 is electrically connected with the high-voltage frequency converter 7, the pneumatic sensor 6 transmits the acquired signals to the high-voltage frequency converter 7, the high-voltage frequency converter 7 controls the high-voltage motor according to an actual wind pressure value in the dust removal pipeline, so that the wind speed and the wind volume output by the fan are adjusted, and the full-speed operation of the fan is avoided, specifically, when the belt transmission device 2 does not work, the valve of the dust removal pipeline is closed, the fan is in a shutdown state, when the belt transmission device 2 operates normally, the valve of the dust removal pipeline is opened, at the moment, the wind pressure value in the dust removal pipeline is within a set value range, and; when the dust removal pipeline is blocked, the air pressure value can be increased, the air pressure data can be larger than a set value, at the moment, the air pressure sensor 6 transmits the data to the high-voltage frequency converter 7, the high-voltage frequency converter 7 controls the high-voltage motor, the high-voltage motor is in a low-power running state, the air speed and the air quantity output by the fan are reduced, the full-speed running of the fan is avoided, the fan is enabled to meet the working pressure, the power consumption loss is further reduced, the production efficiency is improved, the power consumption cost is reduced, and the economic benefit is improved.
The present invention is not limited to the above-described embodiments, and any obvious improvements, substitutions or modifications can be made by those skilled in the art without departing from the spirit of the present invention.
Claims (5)
1. A novel energy-saving dust removal system is characterized by comprising a dust removal pipeline (1); the dust removal pipeline (1) is arranged at the upper end of the belt transmission device (2); a dust hood (3) is arranged at an inlet of the dust removing pipeline (1), and a monitoring device (4) for monitoring the running information of the belt transmission device (2) is arranged on one side of the dust hood (3); an electric control valve (5) is arranged in the dust removal pipeline (1); the monitoring device (4) is interlocked with the electric control valve (5) through a PLC controller; and an air pressure sensor (6) is arranged at the outlet of the dust removal pipeline (1).
2. The novel energy-saving dust removing system according to claim 1, wherein the PLC controller comprises: the PLC slave station is in signal connection with the monitoring device, and the PLC master station is in signal connection with the PLC slave station and the electric valve (5) simultaneously, the PLC slave station is used for receiving the running information of the belt transmission device (2) fed back by the monitoring device in real time and sending the received running information of the belt transmission device (2) to the PLC master station in real time, and the PLC master station is used for receiving the running information of the belt transmission device (2) sent by the PLC slave station in real time and processing the received running information of the belt transmission device (2) into data signals to be sent to the electric valve (5) in real time.
3. The novel energy-saving dust removal system according to claim 1 or 2, wherein the monitoring device (4) opens or closes the electric valve (5) through a PLC controller; the monitoring device (4) is an infrared sensor.
4. The novel energy-saving dust removal system according to claim 1, wherein the dust hood (3) is of a bell mouth structure with a small top and a big bottom; the elbow of the dust removal pipeline (1) is an arc-shaped elbow.
5. The novel energy-saving dust removing system according to claim 1, wherein the air pressure sensor (6) is used for detecting the air pressure in the dust removing pipeline (1); the air pressure sensor (6) is electrically connected with the high-voltage frequency converter (7); and the high-voltage frequency converter (7) controls the high-voltage motor to adjust the rotating speed of the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109219.7A CN112191642A (en) | 2020-10-16 | 2020-10-16 | Novel energy-saving dust removal system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011109219.7A CN112191642A (en) | 2020-10-16 | 2020-10-16 | Novel energy-saving dust removal system |
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| Publication Number | Publication Date |
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| CN112191642A true CN112191642A (en) | 2021-01-08 |
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| CN202011109219.7A Pending CN112191642A (en) | 2020-10-16 | 2020-10-16 | Novel energy-saving dust removal system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579836A (en) * | 2021-08-25 | 2021-11-02 | 中铝瑞闽股份有限公司 | Suction detection mechanism for waste edge negative pressure suction pipeline and application method thereof |
-
2020
- 2020-10-16 CN CN202011109219.7A patent/CN112191642A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579836A (en) * | 2021-08-25 | 2021-11-02 | 中铝瑞闽股份有限公司 | Suction detection mechanism for waste edge negative pressure suction pipeline and application method thereof |
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