CN210717628U - Integrated protection system is exploded in buggy preparation accuse - Google Patents
Integrated protection system is exploded in buggy preparation accuse Download PDFInfo
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- CN210717628U CN210717628U CN201920689046.7U CN201920689046U CN210717628U CN 210717628 U CN210717628 U CN 210717628U CN 201920689046 U CN201920689046 U CN 201920689046U CN 210717628 U CN210717628 U CN 210717628U
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Abstract
The utility model provides an integrated protection system is exploded in buggy preparation accuse, it includes: the system comprises a raw coal bin, a coal mill, a pulverized coal material separation and filtration device, a pulverized coal bin, a combustion furnace kiln and a pulverized coal preparation explosion control integrated controller; the coal mill is connected with the pulverized coal separating and filtering device through a pulverized coal conveying pipeline, a powder discharging and conveying device is arranged at the bottom of the pulverized coal separating and filtering device, and a tail gas conveying pipeline is arranged in the combustion furnace; the coal powder conveying pipeline, the tail gas conveying pipeline and the powder discharging and conveying device are respectively provided with a combustible heat energy detector and a combustible heat energy regulator, the coal powder separating and filtering device is provided with a feeding port, the coal powder separating and filtering device is internally provided with a combustible heat energy detector and an explosion suppression gas injection release device, and when the combustible heat energy detection reaches an early warning value, the coal powder preparation explosion control integrated controller intelligently starts the corresponding combustible heat energy regulator and/or explosion suppression gas injection release device to suppress the initiation of the combustible heat energy.
Description
Technical Field
The utility model relates to a buggy preparation equipment field, concretely relates to integrated protection system is exploded in buggy preparation accuse.
Background
The coal powder belongs to fuel powder substances and has the dangerous characteristics of spontaneous combustibility and explosibility, and the coal powder preparation is a process of preparing the pulverized fuel powder from raw coal (the type of the coal is in the form of raw minerals) through a grinding processing technology. Due to the spontaneous combustibility of the pulverized coal, when the pulverized coal is mixed with air in the pulverized coal preparation process, a dust deflagration form of pulverized coal flash combustion can be formed instantly, and then strong dust explosion occurs in a system of pulverized coal preparation equipment.
At present, explosion control measures in the coal powder preparation process are only limited to monitoring the concentration of carbon monoxide gas, and the coal powder preparation is characterized in that the coal powder preparation is conveyed by pneumatic conveying, the expression form of the pneumatic conveying is high air volume, high air pressure and high-speed airflow, and the working condition causes the concentration value of the carbon monoxide gas to have larger measurement data dispersion, so that the detected measurement data and results lose reliability, and the risk of preventing dust explosion is caused to fail to act.
Therefore, it is necessary to design an explosion control integrated protection system for coal powder preparation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide an integrated protection system is exploded in buggy preparation accuse.
In order to achieve the above objects and other related objects, the present invention provides a technical solution: an integrated protection system for controlling explosion in coal powder preparation comprises: it includes: the coal pulverizer comprises a raw coal bin, a coal pulverizer, a pulverized coal material separation and filtration device, a pulverized coal bin and a combustion furnace kiln; raw coal bunker bottom is equipped with raw coal conveyor, raw coal conveyor connects the coal pulverizer pan feeding mouth, raw coal conveyor is equipped with the pan feeding controller with coal pulverizer pan feeding mouth junction, the coal pulverizer discharge gate passes through buggy conveying pipe with buggy material separation filter equipment pan feeding mouth and is connected, buggy material separation filter equipment bottom is equipped with powder ejection of compact conveyor, powder ejection of compact conveyor is connected with the buggy feed bin, buggy feed bin discharge gate is equipped with buggy feed bin ejection of compact controller, buggy feed bin discharge gate passes through conveyor and carries to the combustion furnace kiln, the combustion furnace kiln is equipped with tail gas pipeline, tail gas pipeline is connected to in the coal pulverizer casing.
Preferably, a combustible heat energy detector and a combustible heat energy regulator are arranged at one end of the coal powder conveying pipeline close to the discharge port of the coal mill; the coal powder conveying pipeline is also internally provided with a coal powder flash combustion detector, a carbon monoxide gas concentration detection intelligent analyzer and an explosion suppression gas injection releasing device.
Preferably, at least one group of combustible heat energy detector and explosion suppression gas jet release device are arranged in the feeding port of the pulverized coal material separation and filtration device and the shell of the pulverized coal material separation and filtration device, and the shell of the pulverized coal material separation and filtration device is provided with a pulverized coal explosion air pressure relief device.
Preferably, the air outlet of the pulverized coal separating and filtering device is connected with an air exhaust pipeline, one end of the air exhaust pipeline, which is close to the air outlet of the pulverized coal separating and filtering device, is provided with a pulverized coal flash combustion detector and an explosion suppression gas injection release device, and the air exhaust pipeline is connected with an air exhaust fan.
Preferably, a coal powder discharge controller is arranged at a discharge port at the bottom of the coal powder separation and filtration device.
Preferably, the powder discharging and conveying device is provided with at least one group of combustible heat energy detectors and combustible heat energy regulators.
Preferably, a dust collector is arranged at the top end of the pulverized coal bunker, and at least one group of combustible heat energy detector and explosion suppression gas injection release device are arranged in the pulverized coal bunker and the dust collector.
Preferably, a combustible heat energy detector and a combustible heat energy regulator are arranged in the tail gas conveying pipeline.
Preferably, the system is also provided with an explosion suppression gas supply device, and the explosion suppression gas jet release device is connected with the explosion suppression gas supply device through a gas conveying pipeline.
Preferably, the system is also provided with a pulverized coal preparation explosion control integrated controller, the combustible heat energy detector, the combustible heat energy regulator, the pulverized coal flash detector, the carbon monoxide gas concentration detection intelligent analyzer, the explosion suppression gas injection release device, the pulverized coal explosion air pressure relief device, the feeding controller, the pulverized coal discharging controller, the pulverized coal bunker discharging controller and the explosion suppression gas supply device are connected with the pulverized coal preparation explosion control integrated controller control signal receiving processor and are protected in an interlocking mode.
Through the technical scheme above, the beneficial effects of the utility model are that:
1. pulverized coal conveying pipeline, tail gas conveying pipeline, powder ejection of compact conveyor all are equipped with flammable heat energy detector and flammable heat energy regulator, and when powder in the pulverized coal conveying pipeline, tail gas in the tail gas conveying pipeline, the flammable heat energy of powder detects when reaching the early warning value in the powder ejection of compact conveyor, pulverized coal preparation accuse explodes integrated control ware intelligence and starts corresponding flammable heat energy regulator, restraines that flammable heat energy causes the explosion.
2. A coal powder flash combustion detector and a carbon monoxide gas concentration detection intelligent analyzer are arranged in a coal powder conveying pipeline connected with a coal mill discharge port, and when the coal powder flash combustion detector detects that coal powder flash combustion occurs and the carbon monoxide gas concentration reaches an early warning value, a coal powder preparation explosion control integrated controller intelligently starts an explosion suppression gas injection release device in the coal powder conveying pipeline to inhibit explosion caused by coal powder flash combustion and carbon monoxide gas concentration exceeding a limit value.
3. The feeding port of the pulverized coal material separation and filtration device, the shell of the pulverized coal material separation and filtration device, the pulverized coal bunker and the dust collector are respectively provided with at least one group of combustible heat energy detectors and explosion suppression gas injection release devices, and when the combustible heat energy detection reaches an early warning value, the pulverized coal preparation explosion control integrated controller intelligently starts the corresponding explosion suppression gas injection release devices to suppress the combustible heat energy from causing explosion.
4. The pulverized coal material separation and filtration device shell is provided with a pulverized coal explosion air pressure relief device, when the pulverized coal explosion air pressure reaches a protection limit value, the pulverized coal explosion air pressure relief device is instantly opened, and the pulverized coal preparation explosion control integrated controller intelligently starts the explosion suppression air injection release device in the pulverized coal material separation and filtration device shell and the feeding port of the pulverized coal material separation and filtration device. The explosion caused by the fact that the pressure of the pulverized coal explosion exceeds the limit value is inhibited.
5. The coal mill feeding port is provided with a feeding controller, and the coal powder bin discharge port is provided with a coal powder bin discharge controller.
Drawings
Fig. 1 is a schematic diagram of the general structure of the system of the present invention.
Fig. 2 is the schematic structural diagram of the pulverized coal bunker and the dust collector of the present invention.
FIG. 3 is a schematic structural view of the explosion suppression gas supply device of the present invention
Fig. 4 is a schematic diagram of the control signal receiving and feedback of the integrated controller for controlling and exploding coal powder preparation of the present invention.
In the above drawings, a raw coal bunker 1, a coal mill 2, a coal powder separation and filtration device 3, a coal powder bunker 4, a combustion furnace kiln 5, a raw coal conveying device 6, a feeding controller 7, a coal powder conveying pipeline 8, a powder discharging and conveying device 9, a coal powder bunker discharging controller 10, a tail gas conveying pipeline 11, a combustible heat energy detector 12, a combustible heat energy regulator 13, a coal powder flash combustion detector 14, a carbon monoxide gas concentration detection intelligent analyzer 15, an explosion suppression gas injection and release device 16, a coal powder explosion air pressure relief device 17, an exhaust pipeline 18, an exhaust fan 19, a coal powder discharging controller 20, a dust collector 21 and an explosion suppression gas supply device 22.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1, a pulverized coal preparation explosion control integrated protection system includes: it includes: the coal pulverizer comprises a raw coal bin 1, a coal pulverizer 2, a pulverized coal material separation and filtration device 3, a pulverized coal bin 4 and a combustion furnace kiln 5; the raw coal conveying device 6 is arranged at the bottom of the raw coal bin 1, the raw coal conveying device 6 is connected with a feeding port of the coal mill 2, a feeding controller 7 is arranged at the joint of the raw coal conveying device 6 and the feeding port of the coal mill 2, and a discharging port of the coal mill 2 is connected with a feeding port of the pulverized coal separating and filtering device 3 through a pulverized coal conveying pipeline 8.
The coal powder conveying pipeline 8 is sequentially provided with a combustible heat energy detector 12, a combustible heat energy regulator 13, a coal powder flash combustion detector 14, a carbon monoxide gas concentration detection intelligent analyzer 15 and an explosion suppression gas injection release device 16 from bottom to top, and the combustible heat energy detector 12 and the combustible heat energy regulator 13 are arranged at one end close to a discharge port of the coal mill 2.
The material inlet of the coal powder material separating and filtering device 3 and the shell of the coal powder material separating and filtering device 3 are internally provided with at least one group of combustible heat energy detectors 12 and explosion suppression gas jet release devices 16, and the shell of the coal powder material separating and filtering device 3 is provided with a coal powder explosion air pressure relief device 17; an air outlet of the coal powder separating and filtering device 3 is connected with an air exhaust pipeline 18, one end of the air exhaust pipeline 18, which is close to the air outlet of the coal powder separating and filtering device 3, is provided with a coal powder flash combustion detector 14 and an explosion suppression gas injection release device 16, and the air exhaust pipeline 18 is connected with an air exhaust fan 19; a pulverized coal discharging controller 20 is arranged at a discharging port at the bottom of the pulverized coal separating and filtering device 3, a powder discharging and conveying device 9 is arranged at the bottom of the pulverized coal separating and filtering device 3, and the powder discharging and conveying device 9 is provided with at least one group of combustible heat detectors 12 and combustible heat regulators 13; powder ejection of compact conveyor 9 is connected with buggy feed bin 4, and 4 discharge gates in buggy feed bin pass through conveyor and carry to combustion furnace kiln 5, and combustion furnace kiln 5 is equipped with tail gas pipeline 11, and in tail gas pipeline 11 was connected to 2 casings of coal pulverizer, be equipped with combustible heat energy detector 12, combustible heat energy regulator 13 in the tail gas pipeline 11.
As shown in fig. 2, a discharge port of the pulverized coal bunker 4 is provided with a pulverized coal bunker discharge controller 10, the top end of the pulverized coal bunker 4 is provided with a dust collector 21, and at least one group of combustible heat detectors 12 and explosion suppression gas injection release devices 16 are respectively arranged in the pulverized coal bunker 4 and the dust collector 21.
As shown in fig. 3, the system is further provided with an explosion suppression gas supply device 22, and the explosion suppression gas jet releasing device 16 is connected with the explosion suppression gas supply device 22 through a gas conveying pipeline.
As shown in fig. 4, the system is further provided with a pulverized coal preparation explosion-control integrated controller, the combustible heat energy detector 12, the combustible heat energy regulator 13, the pulverized coal flash combustion detector 14, the intelligent carbon monoxide gas concentration detection analyzer 15, the explosion-suppression gas injection release device 16, the pulverized coal explosion air pressure relief device 17, the feeding controller 7, the pulverized coal discharge controller 20, the pulverized coal bunker discharge controller 10 and the explosion-suppression gas supply device are connected with a pulverized coal preparation explosion-control integrated controller control signal receiving processor and are protected in an interlocking manner.
Pulverized coal conveying pipeline 8, tail gas conveying pipeline 11, powder ejection of compact conveyor 9 all are equipped with flammable heat energy detector 12 and flammable heat energy regulator 13, and when powder in pulverized coal conveying pipeline 8, tail gas in the tail gas conveying pipeline 11, the flammable heat energy of powder was surveyed and is reached the early warning value in the powder ejection of compact conveyor 9, pulverized coal preparation accuse explodes corresponding flammable heat energy regulator 13 of integrated controller intelligent start, restraines flammable heat energy initiation explosion.
A coal powder flash combustion detector 14 and a carbon monoxide gas concentration detection intelligent analyzer 15 are arranged in a coal powder conveying pipeline 8 connected with a discharge port of the coal mill 2, and when the coal powder flash combustion detector 14 detects that coal powder flash combustion occurs and the carbon monoxide gas concentration reaches an early warning value, the coal powder preparation explosion control integrated controller intelligently starts an explosion suppression gas injection release device 16 in the coal powder conveying pipeline 8 to suppress explosion caused by coal powder flash combustion and carbon monoxide gas concentration exceeding a limit value.
The feeding port of the coal powder separating and filtering device 3, the shell of the coal powder separating and filtering device 3, the coal powder bin 4 and the dust collector 21 are respectively provided with at least one group of combustible heat energy detector 12 and explosion suppression gas injection release device 16, when the combustible heat energy detection reaches an early warning value, the coal powder preparation explosion control integrated controller intelligently starts the corresponding explosion suppression gas injection release device 16 to suppress the combustible heat energy from causing explosion.
The casing of the coal powder material separation and filtration device 3 is provided with a coal powder explosion air pressure relief device 17, when the coal powder explosion air pressure reaches a protection limit value, the coal powder explosion air pressure relief device 17 is instantly opened, and the coal powder preparation explosion control integrated controller intelligently starts the material inlet of the coal powder material separation and filtration device 3 and the explosion suppression air injection release device 16 in the casing of the coal powder material separation and filtration device 3. The explosion caused by the fact that the pressure of the pulverized coal explosion exceeds the limit value is inhibited.
2 pan feeding mouths of coal pulverizer are equipped with pan feeding controller 7, 4 discharge gates of buggy feed bin are equipped with buggy feed bin ejection of compact controller 10, when buggy preparation accuse explodes integrated control ware intelligent start and presses down the gas injection release 16, the buggy is fired and explodes atmospheric pressure relief device 17 and opens, 2 pan feeding mouths of coal pulverizer are equipped with pan feeding controller 7, 4 discharge gates of buggy feed bin are equipped with buggy feed bin ejection of compact controller 10 closed pan feeding and ejection of compact in the twinkling of an eye, separation buggy preparation equipment takes place the system explosion.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. An integrated protection system is exploded in buggy preparation accuse, its characterized in that, it includes: the coal pulverizer comprises a raw coal bin, a coal pulverizer, a pulverized coal material separation and filtration device, a pulverized coal bin and a combustion furnace kiln; the raw coal bunker bottom is equipped with raw coal conveyor, raw coal conveyor connects the coal pulverizer pan feeding mouth, raw coal conveyor with coal pulverizer pan feeding mouth junction is equipped with the pan feeding controller, the coal pulverizer discharge gate with buggy material separation filter equipment pan feeding mouth passes through buggy pipeline and connects, coal powder separation filter equipment bottom is equipped with powder ejection of compact conveyor, powder ejection of compact conveyor with the buggy feed bin is connected, buggy feed bin discharge gate is equipped with buggy feed bin ejection of compact controller, buggy feed bin discharge gate pass through conveyor carry to the combustion furnace kiln, the combustion furnace kiln is equipped with tail gas pipeline, tail gas pipeline is connected to in the coal pulverizer casing.
2. The pulverized coal preparation explosion-control integrated protection system according to claim 1, characterized in that: one end of the coal powder conveying pipeline, which is close to the discharge port of the coal mill, is provided with a combustible heat energy detector and a combustible heat energy regulator; and a coal powder flash combustion detector, an intelligent carbon monoxide gas concentration detection analyzer and an explosion suppression gas injection release device are also arranged in the coal powder conveying pipeline.
3. The pulverized coal preparation explosion-control integrated protection system according to claim 1, characterized in that: the coal powder material separation and filtration device is characterized in that at least one group of combustible heat energy detectors and explosion suppression gas injection release devices are arranged in the coal powder material separation and filtration device feeding port and the coal powder material separation and filtration device shell, and the coal powder material separation and filtration device shell is provided with a coal powder explosion air pressure relief device.
4. The pulverized coal preparation explosion-control integrated protection system according to claim 1, characterized in that: the pulverized coal material separation and filtration device is characterized in that an air outlet of the pulverized coal material separation and filtration device is connected with an air exhaust pipeline, one end of the air exhaust pipeline, which is close to the air outlet of the pulverized coal material separation and filtration device, is provided with a pulverized coal flash combustion detector and an explosion suppression gas injection release device, and the air exhaust pipeline is connected with an air exhaust fan.
5. The pulverized coal preparation explosion-control integrated protection system according to claim 1, characterized in that: and a discharge hole at the bottom of the pulverized coal separating and filtering device is provided with a pulverized coal discharge controller.
6. The pulverized coal preparation explosion-control integrated protection system according to claim 1, characterized in that: the powder discharge conveying device is provided with at least one group of combustible heat energy detectors and combustible heat energy regulators.
7. The pulverized coal preparation explosion-control integrated protection system according to claim 1, characterized in that: the device is characterized in that a dust collector is arranged at the top end of the pulverized coal bunker, and at least one group of combustible heat energy detectors and explosion suppression gas injection release devices are arranged in the pulverized coal bunker and the dust collector.
8. The pulverized coal preparation explosion-control integrated protection system according to claim 1, characterized in that: and a combustible heat energy detector and a combustible heat energy regulator are arranged in the tail gas conveying pipeline.
9. The pulverized coal preparation explosion-control integrated protection system according to claim 2, characterized in that: the explosion suppression gas injection and release device is connected with the explosion suppression gas supply device through a gas conveying pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920689046.7U CN210717628U (en) | 2019-05-15 | 2019-05-15 | Integrated protection system is exploded in buggy preparation accuse |
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| CN201920689046.7U CN210717628U (en) | 2019-05-15 | 2019-05-15 | Integrated protection system is exploded in buggy preparation accuse |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081455A (en) * | 2019-05-15 | 2019-08-02 | 金方圆安全技术研究院（苏州）有限公司 | A kind of quick-fried integrated protection system of pulverized coal preparation control |
-
2019
- 2019-05-15 CN CN201920689046.7U patent/CN210717628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081455A (en) * | 2019-05-15 | 2019-08-02 | 金方圆安全技术研究院（苏州）有限公司 | A kind of quick-fried integrated protection system of pulverized coal preparation control |
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