CN203573145U - Conveyed coal desulphurizing control system - Google Patents
Conveyed coal desulphurizing control system Download PDFInfo
- Publication number
- CN203573145U CN203573145U CN201320662743.6U CN201320662743U CN203573145U CN 203573145 U CN203573145 U CN 203573145U CN 201320662743 U CN201320662743 U CN 201320662743U CN 203573145 U CN203573145 U CN 203573145U
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- plc controller
- control system
- host computer
- vibrator
- defeated coal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model discloses a conveyed coal desulphurizing control system which comprises the components of: an industrial control host computer, a PLC controller, a sulfur dioxide detector, a fuel belt scale, a limestone belt scale, a belt conveyor and a spiral feeder; wherein the PLC controller is connected with the industrial control host computer through a serial-port intelligent card; the belt conveyor and the spiral feeder are respectively connected with the PLC controller through a frequency converter; the sulfur dioxide detector, the fuel belt scale and the limestone belt scale are respectively connected with the PLC controller; the PLC controller is connected with a vibrator starting circuit; the vibrator starting circuit is connected with a vibrator; and the vibrator is a chamber wall vibrator. According to the conveyed coal desulphurizing control system, the PLC controller is used as the system control core so that the system has advantages of high efficiency, high accuracy, low operation cost and long-term stable operation. Simultaneously high desulphurizing effect and no easy secondary pollution are realized.
Description
Technical field
The utility model relates to coal desulfurization field, refers in particular to a kind of defeated coal desulfurization control system.
Background technology
China belongs to rich coal resources, the country that petroleum resources are relatively deficient, and therefore in electricity power and commercial production, the application of coal is comparatively extensive, especially particularly evident at power domain.But coal produces a large amount of sulphuric dioxide in the process of burning can be to environment, thereby must carry out desulfurization processing to reduce the harm to environment to coal.Hundreds of flue gas desulfurization techniques have been developed both at home and abroad, generally can be divided into desulfurization and the rear desulfurization of burning in the front desulfurization of burning, burning, wherein front employing of burning is oxidized or alkalization method desulfurization, and combustion method desulfurization is fairly simple, be exactly combined lime stone in coal, marble etc., or spray wherein calcimine, sulphuric dioxide is fixed as to calcium sulphate, it is exactly gypsum, shortcoming is that a large amount of gypsum that produce are low in value, has taken a large amount of land resource, causes secondary pollution.After burning, should to have more be Wet Limestone Desulfurization in desulfurization, but this technology investment is large, and operating cost is high, is not suitable for the Small-scale Heat Power Plant application of comprehensive utilization of resources.
Utility model content
The purpose of this utility model is to provide that a kind of desulfurized effect is good, small investment, automatic intelligent degree are high, and can not cause secondary pollution, the simple defeated coal desulfurization control system of operation operation.
The utility model is achieved through the following technical solutions: a kind of defeated coal desulfurization control system, comprise industry control host computer, PLC controller, sulfur dioxide detector, fuel belt conveyer scale, lime stone belt conveyer scale, belt feeder, screw feeder, wherein PLC controller is connected with industry control host computer by serial ports smart card, belt feeder, screw feeder are connected with PLC controller by frequency converter respectively, and described sulfur dioxide detector, fuel belt conveyer scale and lime stone belt conveyer scale are connected with PLC controller respectively.
Further, described PLC controller is connected with Vib. start-up circuit, and vibration start-up circuit is connected to Vib., and described Vib. is hopper wall vibrator, its role is to solve lime stone blanking not smooth, and then affect the desulfurized effect problem of system, can control with pulpit at the scene.
Further, described PLC controller is provided with ups power, its role is to run into the integrality of guaranteeing system data in abnormal power-down situation.
Further, described PLC controller is provided with liquid crystal display, and liquid crystal display preferentially adopts section type liquid crystal display, can show respectively time and error message that current system time, user set, improved practicality and the simplification of system operation.
Further, described industry control host computer is also connected with industry monitoring device, its role is to come by industrial TV monitoring device the working of real-time monitoring system.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model is using PLC controller as system control core, make system have advantages of efficiently, accurately, operating cost is low, can steady in a long-term move, while desulfurized effect is good, can not produce secondary pollution.
(2) the utility model can be realized supervision, be controlled the running status of field apparatus by industry control host computer, thereby has realized remote monitoring, has solved field apparatus operation and has disconnected with supervisory system and cause the energy problem of waste in a large number.
(3) liquid crystal display that the utility model arranges adopts section type liquid crystal display, makes system have good human-computer interaction interface, has improved the practicality of system; PLC controller is also connected with ups power, assurance the in the situation that of abnormal power-down, the integrality of system data, has further improved the safe reliability of system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
Fig. 3 is the structural representation of the utility model embodiment 3.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1:
As shown in Figure 1, the utility model discloses a kind of defeated coal desulfurization control system, comprise industry control host computer, PLC controller, sulfur dioxide detector, fuel belt conveyer scale, lime stone belt conveyer scale, belt feeder, screw feeder, wherein PLC controller is connected with industry control host computer by serial ports smart card, belt feeder, screw feeder are connected with PLC controller by frequency converter respectively, and described sulfur dioxide detector, fuel belt conveyer scale and lime stone belt conveyer scale are connected with PLC controller respectively.
Principle of work of the present utility model is: during system works, sulfur dioxide detector is uploaded to PLC controller after treatment by the real-time sulphuric dioxide data that collect, PLC controller is according to the fired basis sulphur content of technique initialization fuel, given calcium sulfur ratio, the parameters such as lime stone purity, and the fuel quantity detecting by fuel belt conveyer scale, to frequency converter, send instruction, by frequency converter, controlled the rotational speed of batcher and screw feeder, thereby control the feeding coal of bunker coal and lime stone, and then realize the defeated coal desulfurization control of system, if run into the not smooth situation of lime stone blanking simultaneously, PLC controller sends enabled instruction by vibration start-up circuit to hopper wall vibrator, accelerate the blanking of lime stone.The real time data of operation is uploaded to industry control host computer by serial ports smart card by PLC controller simultaneously, so far completes one action process.
Embodiment 2:
The present embodiment has carried out further optimization on the basis of embodiment 1, as shown in Figure 2, at described PLC controller, is also connected with ups power and liquid crystal display, and liquid crystal display is section type liquid crystal display.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3:
The difference of the present embodiment and above-described embodiment is, as shown in Figure 3, further at described industry control host computer, is also connected with industry monitoring device, can be realized supervision, be controlled the running status of field apparatus, thereby realized remote monitoring by industry control host computer.Other parts of the present embodiment are identical with embodiment 2 or above-described embodiment, repeat no more
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technical spirit of the present utility model is done above embodiment, within all falling into protection domain of the present utility model.
Claims (7)
1. a defeated coal desulfurization control system, it is characterized in that: comprise industry control host computer, PLC controller, sulfur dioxide detector, fuel belt conveyer scale, lime stone belt conveyer scale, belt feeder, screw feeder, wherein PLC controller is connected with industry control host computer by serial ports smart card, belt feeder, screw feeder are connected with PLC controller by frequency converter respectively, and described sulfur dioxide detector, fuel belt conveyer scale and lime stone belt conveyer scale are connected with PLC controller respectively.
2. the defeated coal desulfurization control system of one according to claim 1, is characterized in that: described PLC controller is connected with Vib. start-up circuit.
3. the defeated coal desulfurization control system of one according to claim 2, is characterized in that: described Vib. start-up circuit is connected to Vib., Vib. is hopper wall vibrator.
4. the defeated coal desulfurization control system of one according to claim 1, is characterized in that: described PLC controller is provided with ups power.
5. the defeated coal desulfurization control system of one according to claim 1, is characterized in that: described PLC controller is also provided with liquid crystal display.
6. the defeated coal desulfurization control system of one according to claim 5, is characterized in that: described liquid crystal display is section type liquid crystal display.
7. the defeated coal desulfurization control system of one according to claim 1, is characterized in that: described industry control host computer is also connected with industry monitoring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662743.6U CN203573145U (en) | 2013-10-25 | 2013-10-25 | Conveyed coal desulphurizing control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662743.6U CN203573145U (en) | 2013-10-25 | 2013-10-25 | Conveyed coal desulphurizing control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203573145U true CN203573145U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320662743.6U Expired - Fee Related CN203573145U (en) | 2013-10-25 | 2013-10-25 | Conveyed coal desulphurizing control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203573145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106753682A (en) * | 2016-12-20 | 2017-05-31 | 南通春光自控设备工程有限公司 | A kind of fluidized bed furnace desulfurizer and sulfur method |
-
2013
- 2013-10-25 CN CN201320662743.6U patent/CN203573145U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106753682A (en) * | 2016-12-20 | 2017-05-31 | 南通春光自控设备工程有限公司 | A kind of fluidized bed furnace desulfurizer and sulfur method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |