CN217101817U

CN217101817U - Water seal scraper conveyor operation control system based on DCS platform

Info

Publication number: CN217101817U
Application number: CN202220934123.2U
Authority: CN
Inventors: 曹通; 莫�忠; 黄峰; 岳淋; 夏本帅
Original assignee: Mengcheng Huanmeng Renewable Energy Co ltd
Current assignee: Mengcheng Huanmeng Renewable Energy Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-02
Anticipated expiration: 2032-04-21

Abstract

The utility model belongs to the technical field of msw incineration equipment and specifically relates to a trigger operation control system is scraped to water seal based on DCS platform, it includes that the water seal scrapes trigger, electric cabinet, connecting cable and DCS system, the DCS system includes DO DI module and host system, DO DI module and host system signal connection, host system open the control unit including automatic opening, automatic opening is opened and is stopped the start-up that the control unit is used for scraping trigger according to scheduled time control water seal and stop, DO DI module is used for receiving the water seal and scrapes trigger operation signal, water seal and scrape trigger fault signal and the signal of initiative module to scrape trigger with host system's signal transmission to the water seal. The utility model discloses according to the automatic start-stop time of the predetermined scraper blade machine of actual production processing operating mode, effectively save the scraper blade machine energy consumption, avoid the scraper blade machine long-time operation to lead to wearing and tearing; and the chain breakage protection device is matched to timely find out the fault problems of chain breakage and the like of the water seal scraper machine, so that the operation of the water seal scraper machine is timely stopped.

Description

Water seal scraper conveyor operation control system based on DCS platform

Technical Field

The utility model belongs to the technical field of msw incineration equipment and specifically relates to a trigger operation control system is scraped to water seal based on DCS platform.

Background

The existing incinerator of a household garbage incineration power plant mostly adopts a mechanical grate to control the combustion of garbage, and the burned slag leaks into a bottom water-sealed scraper conveyor, is conveyed to a slag remover through the scraper conveyor and is discharged to a slag pit. The scraper machine driving device is mostly driven by a three-phase motor. When the boiler operates, the water seal scraper machine is in a continuous operation state, mechanical abrasion of the water seal scraper machine is serious due to long-time operation, and energy consumption waste is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, provide a trigger operation control system is scraped to water seal based on DCS platform, the technical scheme of its adoption as follows:

the utility model provides a trigger operation control system is scraped to water seal based on DCS platform, scrapes trigger, electric cabinet, connecting cable and DCS system including the water seal, the DCS system includes DO DI module and host system, DO DI module and host system signal connection, host system opens the stop control unit including automatic opening, automatic opening stops the start-up and the stop that the control unit is used for scraping the trigger according to scheduled time control water seal, DO DI module is used for receiving water seal and scrapes trigger operation signal, water seal and scrape trigger fault signal and the signal of initiative module to scrape the trigger with host system's signal transmission to the water seal.

On the basis of the scheme, the chain breakage protection device comprises a transmission shaft, a detection gear and a proximity switch, wherein the detection gear is coaxially and fixedly connected with a driven gear of the water seal scraper conveyor through the transmission shaft, and the proximity switch is arranged on one side of the gear teeth of the detection gear.

On the basis of the scheme, the distance between the proximity switch and the outer end face of the gear tooth of the detection gear is 2 mm.

Preferably, the signal of the proximity switch is transmitted to the main control module through the DO/DI module, the signal is a pulse signal in a normal state of the proximity switch, a broken chain judging unit is embedded into the main control module, and when the signal of the proximity switch is in a long-on state or a long-off state, the broken chain judging unit sends a stop signal to the water seal scraper conveyor through the DO/DI module.

Preferably, the main control module further comprises a manual/automatic control unit, the manual/automatic control unit comprises a manual mode and an automatic mode, and the automatic start-stop control unit does not send a start or stop signal in the manual mode.

Preferably, the running time of the water seal scraper is 15 minutes, and the stopping time is 45 minutes.

Preferably, the proximity switch adopts an LM-12 type direct current 24V proximity switch.

The utility model has the advantages that: the automatic starting and stopping time of the scraper is preset according to the actual production and processing working conditions, so that the energy consumption of the scraper is effectively saved, and the abrasion caused by long-time operation of the scraper is avoided; the chain breakage protection device is matched to timely find out the fault problems of chain breakage and the like of the water seal scraper machine, so that the operation of the water seal scraper machine is timely stopped, and continuous operation and aggravation damage under the fault condition are avoided.

Drawings

FIG. 1: the utility model discloses a control system structure diagram;

FIG. 2 is a schematic diagram: the utility model discloses broken chain protection device schematic structure.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in figure 1, a trigger operation control system is scraped to water seal based on DCS platform, scrape trigger, electric cabinet, connecting cable and DCS system including the water seal, the DCS system includes DI/DO module and host system, DI/DO module and host system signal connection, host system opens including automatic start-stop the control unit, automatic start-stop the control unit and be used for according to the start-up and the stop of preset time control water seal scraper, DI/DO module is used for receiving water seal scraper operation signal, water seal scraper fault signal and the signal of initiative module to scrape the trigger with host system's signal transmission to water seal scraper.

The automatic start-stop control unit presets start-stop time according to actual working conditions of production and processing, so that the water seal scraper conveyor automatically and intermittently operates. The running time of the water seal scraper machine is set to be 15 minutes, the stopping time is set to be 45 minutes, calculation is carried out according to a rated power 0.8 coefficient aiming at the water seal scraper machine with the motor power of 3Kw, the electric quantity is saved by 15768KWh compared with the continuous running year after modification, and the service life of the equipment is prolonged by about 3 times. The data are only reference data, and different actual effects can exist due to different equipment power and ash quantity and yield.

Preferably, still including chain rupture protection device, it includes transmission shaft 1, detection gear 5 and proximity switch 4, detect gear 5 and pass through transmission shaft 1 and the coaxial fixed connection of driven gear of water seal scraper blade machine, proximity switch 4 sets up in the teeth of a cogwheel one side of detecting gear 5, through monitoring the pulse signal when the teeth of a cogwheel are close to proximity switch 4 in proper order, judges whether stable operation is moved to detection gear 5 and driven gear, and then judges that chain 3 has or not the broken chain condition of appearance. The proximity switch 4 adopts an LM-12 type direct current 24V proximity switch. The interval between the outer terminal surface of the teeth of a cogwheel of proximity switch 4 and detection gear 5 is 2mm, can guarantee the accurate monitoring gear rotation condition, can prevent again that proximity switch 4 that the clearance undersize leads to from being touched the problem of damage by the mistake. The signal of proximity switch 4 passes through DI/DO module transmission to host system, the signal is pulse signal under the proximity switch 4 normal condition, the embedded broken chain judgement unit that breaks in the host system, when proximity switch 4's signal was long-time expert or long-time disconnected, show that it is unusual to appear from the driving wheel with detection gear 5 rotation, there is the possibility that the broken chain condition takes place, broken chain judgement unit sends stop signal to the water seal scraper blade machine through DI/DO module, can be with broken chain judgement unit and audible and visual alarm device signal connection simultaneously, drive audible and visual alarm device and send signal warning when sending stop signal.

Preferably, the main control module further comprises a manual/automatic control unit, the manual/automatic control unit comprises a manual mode and an automatic mode, the starting and stopping of the water seal scraper machine are controlled by the automatic starting and stopping control unit in the automatic mode by adopting the scheme, the starting and stopping signals are not sent by the automatic starting and stopping control unit in the manual mode, and the starting and stopping of the water seal scraper machine are controlled by the manual mode. And the chain breakage protection device normally operates in a manual mode.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims

1. The utility model provides a trigger operation control system is scraped to water seal based on DCS platform, a serial communication port, scrape trigger, electric cabinet, connecting cable and DCS system including the water seal, the DCS system includes DO DI module and host system, DO DI module and host system signal connection, host system open including automatic opening and stop the control unit, automatic opening and stop the control unit and be used for scraping the start-up and the stop of trigger according to predetermined time control water seal, DO DI module is used for receiving water seal and scrapes trigger operation signal, water seal and scrape trigger fault signal and the signal of initiative module to scrape the trigger with host system's signal transmission to the water seal.

2. The DCS platform-based water seal scraper conveyor operation control system according to claim 1, further comprising a chain breakage protection device, wherein the chain breakage protection device comprises a transmission shaft (1), a detection gear (5) and a proximity switch (4), the detection gear (5) is coaxially and fixedly connected with a driven gear of the water seal scraper conveyor through the transmission shaft (1), and the proximity switch (4) is arranged on one side of a gear tooth of the detection gear (5).

3. The DCS platform-based water seal scraper conveyor operation control system according to claim 2, wherein the distance between the proximity switch (4) and the outer end face of the gear teeth of the detection gear (5) is 2 mm.

4. The DCS platform-based water seal scraper conveyor operation control system according to claim 2, wherein the signal of the proximity switch (4) is transmitted to the main control module through the DO/DI module, the signal of the proximity switch (4) is a pulse signal in a normal state, a broken chain judgment unit is embedded in the main control module, and when the signal of the proximity switch (4) is long-on or long-off, the broken chain judgment unit sends a stop signal to the water seal scraper conveyor through the DO/DI module.

5. The DCS platform-based water seal scraper conveyor operation control system according to claim 1, wherein the main control module further comprises a manual/automatic control unit, the manual/automatic control unit comprises a manual mode and an automatic mode, and the automatic start-stop control unit does not send a start or stop signal in the manual mode.

6. The DCS platform-based water seal scraper operation control system according to claim 1, wherein the water seal scraper has an operation time of 15 minutes and a stop time of 45 minutes.

7. The DCS platform-based water seal scraper machine operation control system according to claim 2, characterized in that the proximity switch (4) is an LM-12 type direct current 24V proximity switch.