CN211443784U - Device for on-line monitoring of coal quality and composition of coal entering plant - Google Patents
Device for on-line monitoring of coal quality and composition of coal entering plant Download PDFInfo
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- CN211443784U CN211443784U CN201922190699.3U CN201922190699U CN211443784U CN 211443784 U CN211443784 U CN 211443784U CN 201922190699 U CN201922190699 U CN 201922190699U CN 211443784 U CN211443784 U CN 211443784U
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Abstract
The utility model discloses a go into device of factory coal quality of coal composition on-line monitoring, also be exactly to the detection device of the raw coal composition that has not handled. The device comprises a belt for conveying coal, a coal component detection device and a foreign matter controller, wherein the coal component detection device and the foreign matter controller are arranged on the belt; the foreign matter controller is used for performing height control on the ultra-high foreign matters on the belt before the coal enters the detection range of the coal composition detection device; the coal composition detection device is used for detecting the composition of coal on the belt and comprises a detection head and a light guide cylinder arranged below the detection head. The utility model provides an among the prior art coal detect process destroy coal composition detection device's technical problem easily.
Description
Technical Field
The utility model relates to a coal check out test set field particularly, relates to a go into device of factory coal quality of coal composition on-line monitoring.
Background
According to the observation, before coal is unloaded into a belt and coal composition detection is carried out, the coal is filtered by a rigid metal square hole frame of 400x400mm, large foreign matters which can penetrate through the square hole frame can only be column-shaped foreign matters with the outer diameter of about 400mm and the length of super long foreign matters, if the super long foreign matters travel on a coal conveying belt which travels at high speed (3m/s), the super long foreign matters have high kinetic energy and can seriously damage equipment when colliding on a coal composition detection device, and the accident that the long foreign matters crash into a coal conveying belt door-shaped frame has historically occurred.
Aiming at the problem that a coal component detection device is easy to damage in the coal detection process in the prior art, a reliable solution is not available at present.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a go into coal quality of coal composition on-line monitoring's of factory device to at least, solve among the prior art coal testing process and destroy coal composition detection device's technical problem easily.
According to an aspect of an embodiment of the present invention, there is provided an in-plant coal quality component online monitoring device, including a belt for transporting coal, and a coal component detecting device and a foreign matter controller disposed on the belt; the foreign matter controller is used for performing height control on the ultra-high foreign matters on the belt before the coal enters the detection range of the coal composition detection device; the coal composition detection device is used for detecting the composition of coal on the belt and comprises a detection head and a light guide cylinder arranged below the detection head.
Furthermore, the device for on-line monitoring of coal quality and components of coal entering a plant also comprises a photoelectric switch, a central controller and a lifting device, wherein the photoelectric switch is arranged on the belt and positioned between the foreign matter controller and the coal component detection device, and is used for detecting the height of the coal on the belt and sending an alarm signal to the central controller when the height of the coal exceeds a preset height threshold; the central controller is connected with the photoelectric switch and the lifting device and used for receiving the alarm signal and sending a control signal to the lifting device according to the alarm signal; and the lifting device is connected with the detection head and used for improving the height of the detection head according to the control signal.
Further, the lifting device is a pneumatic or oil-driven quick lifting device.
Further, the belt is divided into at least a factory coal belt and a furnace coal belt according to the coal flow direction after passing through the coal component detection device; the device for on-line monitoring of coal quality components of coal entering a plant further comprises a coal flow thickness detector and a one-way rotation sensor, wherein the coal flow thickness detector is arranged on the belt and used for detecting the thickness of coal on the belt, and the one-way rotation sensor is respectively arranged on the belt before differentiation, the coal belt entering the plant after differentiation and the coal belt entering the furnace and used for generating operation signals when the belt operates.
Furthermore, the device for on-line monitoring of coal quality and components of coal entering a plant also comprises an industrial personal computer which is connected with the coal flow thickness detector and the unidirectional rotation sensor.
Furthermore, the device for on-line monitoring of coal quality and components of coal entering the plant also comprises a bucket wheel machine which is arranged behind the coal component detection device.
Further, the foreign body controller is square horn shaped, the inlet of the foreign body controller is the long end of the square horn shape, and the outlet of the foreign body controller is the short end of the square horn shape.
Further, the height of the light guide cylinder is 75mm-100 mm.
Further, the height of the light guide cylinder is 87 mm.
Further, the coal composition detection device comprises a sub-infrared coal quality analyzer.
The embodiment of the utility model provides an in, owing to go into the foreign matter controller of factory coal quality composition on-line monitoring's device setting on the belt, can be before coal gets into coal composition detection device's detection range, carry out high control to the super high foreign matter on the belt to avoid the destruction to coal composition detection device, reached the technological effect of the smooth detection of guarantee coal composition, and then solved among the prior art coal testing process and destroyed coal composition detection device's technical problem easily.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a schematic diagram of an apparatus for on-line monitoring of coal quality composition of incoming coal according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a coal composition detection apparatus according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a foreign object controller according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1
According to the embodiment of the utility model, the product embodiment of the device for on-line monitoring of the coal quality and the coal composition of the coal entering the plant is provided, and the device comprises a belt for transporting the coal, a coal composition detection device and a foreign matter controller, wherein the coal composition detection device and the foreign matter controller are arranged on the belt; the foreign matter controller is used for performing height control on the ultra-high foreign matters on the belt before the coal enters the detection range of the coal composition detection device; the coal composition detection device is used for detecting the composition of coal on the belt and comprises a detection head and a light guide cylinder arranged below the detection head.
Specifically, the foreign matter in the utility model refers to the coal protruding from the surface of the coal layer on the belt or other substances in the coal, and the super high refers to exceeding the preset upper limit of height; fig. 1 is a schematic diagram of an apparatus for on-line monitoring of coal quality composition of coal entering a plant according to an embodiment of the present invention, as shown in fig. 1, a coal composition detecting apparatus 103 and a foreign matter controller 102 are disposed on a belt 101. Fig. 2 is a schematic diagram of a coal composition detecting apparatus according to an embodiment of the present invention, and as shown in fig. 2, the coal composition detecting apparatus includes a detecting head 201 and a light guiding tube 202 disposed under the detecting head 201.
The embodiment of the utility model provides an in, owing to go into the foreign matter controller of factory coal quality composition on-line monitoring's device setting on the belt, can be before coal gets into coal composition detection device's detection range, carry out high control to the super high foreign matter on the belt to avoid the destruction to coal composition detection device, reached the technological effect of the smooth detection of guarantee coal composition, and then solved among the prior art coal testing process and destroyed coal composition detection device's technical problem easily.
In an alternative embodiment, as shown in fig. 3, the foreign object controller is square horn shaped, the inlet of the foreign object controller is the long end of the square horn shape, and the outlet of the foreign object controller is the short end of the square horn shape.
Specifically, the long end of the square horn shape, that is, the inlet of the foreign matter controller, needs to be high enough, and the large foreign matter that in principle guarantees comes can both get into the long end, and once the foreign matter gets into the long end, the head that the foreign matter is freighted just must be forced to be pressed down by the inclined plane in the foreign matter controller and pastes on the coal surface, and the short end of the square horn shape, that is, the height of the outlet of the foreign matter controller, even if certain head lifting is carried out, the height can not be about to hit the coal composition detection device after the foreign matter that is pressed down leaves the outlet. Specifically, the long end, the short end and the length of the square horn shape can be designed according to actual use, the foreign matter controller can effectively avoid causing trouble of foreign matters, the damage to the coal composition detection device is avoided by forcibly processing and controlling the oversized foreign matters in the coal, the technical effect of guaranteeing the smooth detection of the coal compositions is achieved, and the foreign matter controller is optional and is of a metal structure.
In an alternative embodiment, the device for on-line monitoring of coal quality components of coal entering a plant further comprises a photoelectric switch, a central controller and a lifting device, wherein the photoelectric switch is shown as reference numeral 104 in fig. 1, the photoelectric switch is arranged above the belt and between the foreign matter controller and the coal component detection device, and is used for detecting the coal height on the belt and sending an alarm signal to the central controller when the coal height exceeds a preset height threshold; the central controller is connected with the photoelectric switch and the lifting device and used for receiving the alarm signal and sending a control signal to the lifting device according to the alarm signal; and the lifting device is connected with the detection head and used for improving the height of the detection head according to the control signal.
In particular, in addition to the foreign body controller, in order to further ensure the safe operation of the coal composition detection device, the device for on-line monitoring of the coal quality composition entering the factory also comprises a photoelectric switch, a central controller and a lifting device, wherein, one or more photoelectric switches can be arranged to ensure omnibearing detection, high-reliability photoelectric switches can be selected, and the height of the photoelectric switch can be adjusted, when the coal from the foreign body controller has ultrahigh foreign bodies, the ultrahigh foreign bodies can be detected by the photoelectric switch, sending alarm signal to the central controller under the condition that the height of the foreign matter in the coal exceeds the preset height threshold value, the central controller can be in control connection with the lifting device of the detection head to lift the detection head to a sufficient height, the foreign matter is guaranteed not to collide against the detection head, and the detection head can be put back to the original place by the lifting device after the foreign matter passes through. Specifically, the central controller may be integrated with other components included in the present invention, or may be separately provided; the lifting device may be a pneumatic or oil-driven quick lifting device, with pneumatic lifting devices being preferred.
Above 2 embodiments, through foreign matter controller and photoelectric switch, the utility model discloses start from machinery and control system two sides, ensure coal composition detection device safe operation.
In an alternative embodiment, the belt is divided into at least a factory coal belt and a furnace coal belt according to the coal flow direction after passing through the coal composition detection device; the device for on-line monitoring of coal quality components of coal entering a plant further comprises a coal flow thickness detector and a one-way rotation sensor, wherein the one-way rotation sensor is shown as reference numeral 105 in figure 1, the coal flow thickness detector is arranged on the belt and used for detecting the thickness of coal on the belt, and the one-way rotation sensor is respectively arranged on the belt before differentiation, the coal belt entering the plant after differentiation and the coal belt entering the furnace and used for generating operation signals when the belt runs.
Specifically, the coal flow thickness detector can be preferably arranged on a belt before differentiation, one or more unidirectional rotation sensors can be respectively arranged on the belt before differentiation, the belt after differentiation and the belt as fired coal, and the operation modes of the belt as differentiated and the belt as fired coal are two-choice, namely the belt as fired coal operates and the belt as fired coal does not operate, or the belt as fired coal does not operate and the belt as fired coal does not operate.
In an optional embodiment, the device for on-line monitoring of coal quality components of coal entering a plant further comprises an industrial personal computer, connected with the coal flow thickness detector and the unidirectional rotation sensor, and configured to determine that data detected by the coal component detection device is coal entering detection data or coal entering a furnace detection data according to an operation signal generated by the unidirectional rotation sensor and record the data respectively when the thickness of the coal detected by the coal flow thickness detector exceeds a thickness threshold.
Among the prior art, generally the utility model discloses in, go into the factory coal and go into the stove coal on the belt of difference, later set up coal composition detection device respectively on the belt of difference and detect respectively, and the utility model discloses can realize only setting up 1 coal composition detection device and can accomplish the detection and the record to going into the factory coal and going into the stove coal. Specifically, when the unidirectional rotation sensor arranged on the belt before differentiation generates an operation signal, it indicates that the belt is in operation at the moment, if the thickness of the coal detected by the coal flow thickness detector is thick enough, which is specifically indicated that the thickness of the coal exceeds a thickness threshold value, it indicates that the belt is transporting the coal, if the unidirectional rotation sensor arranged on the coal-as-fired belt generates an operation signal later, it indicates that the coal is sent to the coal-as-fired, the coal-as-fired detection data is detected by the previous coal component detection device, and similarly, if the unidirectional rotation sensor arranged on the coal-as-fired belt generates an operation signal later, it indicates that the coal is sent to the coal-as-fired, the coal-as-fired detection data is detected by the previous coal component detection device, and the coal-as-fired detection data are respectively recorded.
In a specific embodiment, if the coal flow thickness detector is damaged and stops working, the unidirectional rotation sensors arranged on the belt before differentiation, the belt of coal entering a factory after differentiation and the belt of coal entering a furnace normally work, and after the unidirectional rotation sensors continuously run for a long time (for example: 1 hour), the coal flow thickness detector does not send out a signal that the coal flow thickness is enough and the coal composition detection is started, the industrial personal computer sends out an alarm signal of the damage of the coal flow thickness detector to prompt a maintainer to overhaul.
In an optional embodiment, the device for on-line monitoring of coal quality components of coal entering a plant further comprises a bucket wheel machine, wherein the bucket wheel machine is arranged behind the coal composition detection device; the coal composition detection device is also used for carrying out D/A conversion on detection data obtained by carrying out composition detection on the coal on the belt, and sending the converted detection data to the bucket wheel machine so as to control the rotating speed of the bucket wheel machine.
Specifically, the utility model discloses a bucket wheel machine can be for full-automatic bucket wheel machine, can preserve the detection data of coal composition detection device and the corresponding logic between the bucket wheel machine rotational speed in advance, after receiving coal composition detection device's detection data, can confirm self rotational speed according to corresponding logic to the coal volume is prepared in the control, realizes the stokehold of coal as fired and joins in marriage the coal to mix burning meticulously before the stove, and is favorable to realizing the digital management in coal yard.
In an alternative embodiment, the height of the light pipe is 75mm to 100 mm.
Specifically, in the prior art, the height of the light guide cylinder included in the coal component detection device is 221mm, but the height increases the probability of being hit, if the light guide cylinder is shortened, the probability of being hit can be reduced, but the shortened light guide cylinder causes the change of absorbance, and the measurement accuracy is affected, so that the height cannot be shortened at will, and through careful calculation by designers, repeated calculation and multiple times of finished product detection, when the height of the light guide cylinder is within the range of 75mm-100mm, especially 87mm, the requirement that the length of the light guide cylinder is not too long can be met, and the rule of the change of absorbance can be ensured.
In an alternative embodiment, the coal composition detection device comprises a sub-infrared coal analyzer.
Specifically, the secondary infrared coal quality analyzer is used for measuring the coal component value, so that the on-line detection of the coal can be realized, the precision is high, the six major components of the coal can be detected, and the radioactivity is present or absent. Alternatively, the coal composition detection device may use a BG700 coal quality online real-time measurement device.
In an alternative embodiment, in the prior art, when detecting coal, the detection is performed according to time periods, for example, detection is performed according to day, night or three shifts a day, but the coal component values obtained by such detection lack pertinence and have no great guiding significance.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited. In addition, the shown or discussed mutual coupling or direct coupling or connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be an electrical connection, a physical connection or other forms.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The device for on-line monitoring of coal quality and components of coal entering a factory is characterized by comprising a belt for conveying coal, a coal component detection device and a foreign matter controller, wherein the coal component detection device and the foreign matter controller are arranged on the belt; wherein the content of the first and second substances,
the foreign matter controller is used for performing height control on the ultra-high foreign matter on the belt before the coal enters the detection range of the coal component detection device;
the coal composition detection device is used for detecting the composition of coal on the belt and comprises a detection head and a light guide cylinder arranged below the detection head.
2. The on-line monitoring device for coal quality components of incoming coal as claimed in claim 1, further comprising an optoelectronic switch, a central controller and a lifting device, wherein,
the photoelectric switch is arranged above the belt and between the foreign matter controller and the coal component detection device, and is used for detecting the height of coal on the belt and sending an alarm signal to the central controller when the height of the coal exceeds a preset height threshold value;
the central controller is connected with the photoelectric switch and the lifting device and is used for receiving the alarm signal and sending a control signal to the lifting device according to the alarm signal;
the lifting device is connected with the detection head and used for lifting the height of the detection head according to the control signal.
3. The device for on-line monitoring of coal quality components of coal entering a factory according to claim 2, wherein the lifting device is a pneumatic or oil-driven quick lifting device.
4. The device for on-line monitoring of coal quality components of incoming coal as claimed in claim 1, wherein the belt is differentiated into at least a incoming coal belt and an incoming coal belt according to the coal flow direction after passing through the coal component detecting device;
the device for on-line monitoring of coal quality and components of coal entering a factory further comprises a coal flow thickness detector and a one-way rotation sensor, wherein the coal flow thickness detector is arranged on the belt and used for detecting the thickness of coal on the belt, and the one-way rotation sensor is respectively arranged on the belt before differentiation, the belt after differentiation, the coal belt entering the factory and the coal belt entering the furnace and used for generating operation signals during operation of the belt.
5. The device for on-line monitoring of coal quality and composition of coal entering a factory according to claim 4, wherein the device for on-line monitoring of coal quality and composition of coal entering a factory further comprises an industrial personal computer connected with the coal flow thickness detector and the unidirectional rotation sensor.
6. The device for on-line monitoring of coal quality components of incoming coal as claimed in any one of claims 1 to 5, wherein the device for on-line monitoring of coal quality components of incoming coal further comprises a bucket wheel machine, and the bucket wheel machine is arranged behind the coal composition detection device.
7. The device for on-line monitoring of coal quality components of coal entering a factory as claimed in any one of claims 1 to 5, wherein the foreign matter controller is in a square horn shape, the inlet of the foreign matter controller is the long end of the square horn shape, and the outlet of the foreign matter controller is the short end of the square horn shape.
8. The device for on-line monitoring of coal quality components of coal entering a factory according to any one of claims 1 to 5, wherein the height of the light guide cylinder is 75mm to 100 mm.
9. The device for on-line monitoring of coal quality components of coal entering a factory as claimed in claim 8, wherein the height of the light guide cylinder is 87 mm.
10. The device for on-line monitoring of coal quality components of coal entering a factory according to any one of claims 1 to 5, wherein the coal composition detection device comprises a sub-infrared coal quality analyzer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922190699.3U CN211443784U (en) | 2019-12-08 | 2019-12-08 | Device for on-line monitoring of coal quality and composition of coal entering plant |
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| CN201922190699.3U CN211443784U (en) | 2019-12-08 | 2019-12-08 | Device for on-line monitoring of coal quality and composition of coal entering plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297273A (en) * | 2023-05-22 | 2023-06-23 | 北京易兴元石化科技有限公司 | On-line analysis system and method for coal quality based on factory entry |
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2019
- 2019-12-08 CN CN201922190699.3U patent/CN211443784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297273A (en) * | 2023-05-22 | 2023-06-23 | 北京易兴元石化科技有限公司 | On-line analysis system and method for coal quality based on factory entry |
| CN116297273B (en) * | 2023-05-22 | 2023-08-18 | 北京易兴元石化科技有限公司 | On-line analysis system and method for coal quality based on factory entry |
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