CN212904598U - Grey water detector and grey water detection system - Google Patents
Grey water detector and grey water detection system Download PDFInfo
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- CN212904598U CN212904598U CN202021597670.3U CN202021597670U CN212904598U CN 212904598 U CN212904598 U CN 212904598U CN 202021597670 U CN202021597670 U CN 202021597670U CN 212904598 U CN212904598 U CN 212904598U
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Abstract
The utility model provides an grey water detector and grey water detecting system, include: the device comprises a material flattening device, a thickness measuring device, an ash content detecting device and a moisture detecting device; the central processor is connected with the thickness measuring device, the ash content detecting device, the moisture detecting device and the material flattening device; the material flattening device is used for adjusting the thickness of the detected material on the belt; the thickness measuring device is used for sending a detected thickness detection signal of the detected material on the belt to the central processor; the ash content detection device is used for sending an obtained ash content detection signal of the detected material to the central processor; the moisture detection device is used for sending the obtained moisture detection signal of the detected material to the central processor; the central processor is used for receiving the thickness detection signal, the ash content detection signal and the moisture content detection signal and outputting an ash content value corresponding to the ash content detection signal and a moisture content value corresponding to the moisture content detection signal. The utility model discloses can improve the detection precision and the detection effect of ash content and moisture.
Description
Technical Field
The utility model belongs to the technical field of the check out test set technique and specifically relates to a grey water detector and grey water detecting system is related to.
Background
The ash content of coal is an important parameter for measuring the quality of coal, the ash content and the moisture content of coal are important parameters for calculating the calorific value of coal, and the ash content and the moisture content indexes of coal must be strictly controlled in order to improve the quality of coal products. The existing coal ash content measuring method generally adopts a burning test method, a gamma ray online ash content detecting method, a passive coal ash content detecting method based on the natural radioactivity of coal and an X-ray transmission method, but the burning test method is slow in detection speed, the gamma ray online ash content detecting method and the passive coal ash content detecting method based on the natural radioactivity of coal are low in detection precision and are greatly influenced by the thickness of coal; the X-ray detection precision is higher than that of other detection methods, but the detection precision is also influenced by the thickness fluctuation of the coal flow wave. Existing coal moisture measurement methods, such as infrared measurement and microwave measurement, are also affected by the coal thickness, and thus the detection accuracy is limited. Therefore, the existing coal ash and moisture detection method is influenced by the thickness of coal, and the detection precision is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an grey water detector and grey water detecting system to reduce the influence that the thickness inequality detected ash content and moisture, thereby improve the detection precision and the detection effect of ash content and moisture.
In a first aspect, an embodiment of the present invention provides an ash water detector, including: the device comprises a material flattening device, a thickness measuring device, an ash content detecting device and a moisture detecting device; the leveling device, the thickness measuring device, the ash content detecting device and the moisture detecting device are sequentially arranged above the belt along the belt transmission direction of the conveyor; the grey water detector also comprises a central processor which is connected with the thickness measuring device, the ash content detecting device, the moisture detecting device and the material leveling device; the material flattening device is used for adjusting the thickness of the detected material on the belt; the thickness measuring device is used for sending a detected thickness detection signal of the detected material on the belt to the central processor; the ash content detection device is used for sending an obtained ash content detection signal of the detected material to the central processor; the moisture detection device is used for sending the obtained moisture detection signal of the detected material to the central processor; the central processor is used for receiving the thickness detection signal, the ash content detection signal and the moisture content detection signal and outputting an ash content value corresponding to the ash content detection signal and a moisture content value corresponding to the moisture content detection signal; the gray value and the moisture value are both related to the thickness detection signal.
In one embodiment, the material leveling device comprises a plow-type material leveling device; the plough type material leveling device comprises a plough head, a servo motor, a speed reducer and a lead screw; the middle lower part of the plowshare is welded with a plowshare fixing plate, and a threaded hole of the plowshare fixing plate is connected with the external thread of the screw rod; the lead screw upper end is connected with the output shaft of reduction gear, and the input shaft of reduction gear is connected with servo motor's output shaft.
In one embodiment, the input shaft of the reducer is provided with a manual turn disc for manually adjusting the elevation of the plowshare.
In one embodiment, the reducer is a worm gear reducer.
In one embodiment, the ash detection device is an X-ray ash detection device comprising: the system comprises an X-ray source, a radiation source box, a linear array receiver and a temperature control unit; the linear array receiver and the temperature control unit are respectively connected with the central processor; the X-ray source is arranged in the radiation source box; the linear array receiver is arranged between the upper belt surface and the lower belt surface of the belt, is arranged in the middle along the width direction of the belt, and is used for receiving an X-ray ash content detection signal penetrating through a detected material and sending the X-ray ash content detection signal to the central processor; the temperature control unit is arranged at the top of the source box and used for adjusting the temperature of the working environment.
In one embodiment, a linear collimator is provided at the exit opening of the source box for eliminating scattered X-rays.
In one embodiment, the linear array receiver comprises a digital acquisition card and an analog acquisition card; the analog acquisition card is used for receiving the X-ray signals penetrating through the detected material and sending the X-ray signals to the digital acquisition card; the digital acquisition card is used for receiving the X-ray signals and transmitting the digital signals converted from the X-ray signals to the central processor.
In one embodiment, the temperature control unit includes an air conditioner or a high pressure air cooling mechanism.
In one embodiment, the moisture detection device is a microwave moisture detection device comprising: the microwave receiver comprises a microwave generator and a microwave receiver, wherein the centers of the microwave generator and the microwave receiver are positioned at the same height.
In a second aspect, an embodiment of the present invention provides a grey water detection system, including the grey water detector of any one of the first aspects, further including a conveyor; wherein, the material flattening device, the ash content detection device and the moisture detection device are used for being arranged above the belt in sequence along the belt transmission direction of the conveyor.
The embodiment of the utility model provides an grey water detector and grey water detecting system, include: the device comprises a material flattening device, a thickness measuring device, an ash content detecting device and a moisture detecting device; the leveling device, the thickness measuring device, the ash content detecting device and the moisture detecting device are sequentially arranged above the belt along the rotating direction of the belt of the conveyor; the grey water detector also comprises a central processor which is connected with the thickness measuring device, the ash content detecting device, the moisture detecting device and the material leveling device; the material flattening device is used for adjusting the thickness of the detected material on the belt; the thickness measuring device is used for sending a detected thickness detection signal of the detected material on the belt to the central processor; the ash content detection device is used for sending an obtained ash content detection signal of the detected material to the central processor; the moisture detection device is used for sending the obtained moisture detection signal of the detected material to the central processor; the central processor is used for receiving the thickness detection signal, the ash content detection signal and the moisture content detection signal and outputting an ash content value corresponding to the ash content detection signal and a moisture content value corresponding to the moisture content detection signal; the gray value and the moisture value are both related to the thickness detection signal. The ash water detector combines the leveling device, the ash content detection device and the moisture device, and the thickness of the detected material on the belt can be adjusted by the leveling device before detection, so that the thickness of the detected material is uniform; then utilize ash content detection device and moisture detection device to carry out the detection of ash content and moisture to the detected material of even thickness to reduce and to be detected the influence that material thickness inequality detected ash content and moisture, improve the detection precision and the detection effect of ash content and moisture.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a grey water detector according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another grey water detector provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a grey water detection system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another grey water detection system according to an embodiment of the present invention.
Icon:
100-grey water detector; 200-grey water detection system; 10-a material flattening device; 11-a thickness measuring device; 12-an ash detection device; 13-moisture detection means; 40-a central processor; 20-a plough type material leveling device; 21-X-ray ash detection means; 22-microwave moisture detection device; 211-an X-ray source; 212-a source box; 213-linear array receiver; 214-a temperature control unit; 221-a microwave generator; 222-a microwave receiver; 50-a conveyor; 60-coal flow.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are 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 work belong to the protection scope of the present invention.
The existing coal ash content and moisture detection method is influenced by the thickness of coal, and the detection precision is low. Based on this, the embodiment of the utility model provides a pair of grey water detector and grey water detecting system can reduce and come the fluctuation of coal thickness big, comes the influence that coal thickness inequality detected ash content and moisture to improve the detection precision and the detection effect of ash content and moisture.
In order to facilitate understanding of the present embodiment, first, a detailed description is made on an ash water detector disclosed in an embodiment of the present invention, referring to a schematic structural diagram of an ash water detector shown in fig. 1, which illustrates an ash water detector 100, including: the device comprises a leveling device 10, a thickness measuring device 11, an ash content detecting device 12 and a moisture detecting device 13; the leveling device 10, the thickness measuring device 11, the ash content detecting device 12 and the moisture detecting device 13 are sequentially arranged above a belt along the belt transmission direction of the conveyor; the grey water detector 100 further comprises a central processor 40 connected to the leveling device 10, the thickness measuring device 11, the ash content detecting device 12 and the moisture content detecting device 13.
The material leveling device 10 is used for adjusting the thickness of the detected material on the belt; the thickness measuring device 11 is used for sending a detected thickness detection signal of the detected material on the belt to the central processor; the ash content detection device 12 is used for sending an obtained ash content detection signal of the detected material to the central processor 40; the moisture detection device 13 is used for sending the obtained moisture detection signal of the detected material to the central processor 40; the central processor 40 is configured to receive the thickness detection signal, the ash detection signal, and the moisture detection signal, and output an ash value corresponding to the ash detection signal, a moisture value corresponding to the moisture detection signal, and a corresponding calorific value; the gray value and the moisture value are both related to the thickness detection signal.
In one embodiment, before the detected material enters the detection area, the thickness of the detected material is firstly adjusted by the material flattening device 10, and after the detected material on the belt passes through the material flattening device 10, the thickness of the detected material is consistent, but the material properties such as bulk density, granularity composition and the like are unchanged; the thickness of the material after leveling is transmitted to the central processor 40 through the thickness measuring device 11, the detected material with stable thickness sequentially passes through the ash content detecting device 12 and the moisture content detecting device 13, the ash content detecting device 12 obtains an ash content detecting signal of the detected material and sends the ash content detecting signal to the central processor 40, and the moisture content detecting device 13 obtains a moisture content detecting signal of the detected material and sends the moisture content detecting signal to the central processor 40; after receiving the ash detection signal and the moisture detection signal, the central processor 40 may calculate an ash value, a moisture value, and a calorific value corresponding to the detected material according to the received ash detection signal and moisture detection signal and the thickness of the detected material, and output the ash value, the moisture value, and the calorific value.
The embodiment of the utility model provides an above-mentioned grey water detector combines together flat material device, thickness measuring device, ash content detection device and moisture device, can utilize flat material device to adjust the thickness of the detected material that is located on the belt at first before the detection, make the thickness of the detected material even; then the thickness measuring device carries out the detection of flat material thickness, utilizes ash content detection device and moisture detection device to carry out the detection of ash content and moisture to the detected material of even thickness after that to reduce and to be detected the influence that material thickness inequality detected ash content and moisture detected, improve the detection precision and the detection effect of ash content and moisture.
In one embodiment, the leveler 10 includes a plow leveler; the plough type material leveling device comprises a plough head, a servo motor, a speed reducer and a lead screw; the middle lower part of the plowshare is welded with a plowshare fixing plate, and a threaded hole of the plowshare fixing plate is connected with the external thread of the screw rod; the lead screw upper end is connected with the output shaft of reduction gear, and the input shaft of reduction gear is connected with servo motor's output shaft. Specifically, the plow material leveling device can be a plowshare-shaped material leveling mechanism, the reducer can be a worm gear reducer, a plowshare fixing plate is welded on the middle lower portion of the plowshare part, a threaded hole of the plowshare fixing plate is connected with the external thread of a lead screw after welding, the upper end of the lead screw is connected with an output shaft of the worm gear reducer through a flat key, an input shaft hole of the worm gear reducer is connected with an output shaft of a servo motor through the flat key, and the worm gear reducer has a self-locking function after the servo motor rotates to a designated position, so that the height of the plowshare can be ensured to be unchanged.
Further, in order to ensure that the adjustment of the plowshare height is not affected under the condition of power failure, the input shaft of the speed reducer of the leveling device 10 provided by the embodiment may further be provided with a manual rotating disc for manually adjusting the plowshare height. It can be understood that, for the leveling device 10, only a manual rotating disc may be provided to adjust the height of the plow head by manpower, or only a speed reducer and a servo motor may be provided to automatically adjust the height of the plow head, or the speed reducer and the servo motor may be combined as shown in the foregoing embodiment, and at the same time, a manual rotating disc is provided on an input shaft of the speed reducer, so that the height of the plow head may be automatically adjusted, or the height of the plow head may be adjusted by manpower, and in practical applications, the adjustment may be performed according to practical situations, which is not limited herein.
In one embodiment, the thickness measuring device 11 has various detection principles, such as measurement by reflection and interference of light waves, sound waves and electromagnetic waves, and the summary of the practical application can be selected according to practical situations, which are not limited herein. The thickness measuring device 11 transmits the measured thickness detection signal of the detected material after material flattening to the central processor 40, so that the material flattening effect can be evaluated, and the material flattening device 10 is adjusted according to the evaluation result to obtain a better material flattening result.
The X-ray is an electromagnetic wave with extremely short wavelength and large energy, has a wavelength shorter than that of visible light, has high penetrating power, and can transmit a plurality of substances which are not transparent to the visible light. Therefore, along with the popularization and improvement of X-ray, the ash content detection device 12 based on the increasingly wide application of using the X-ray transmission technology to perform ash content detection can adopt the X-ray ash content detection device, and the X-ray ash content detection device is a device based on the ray transmission principle to perform ash content detection, and includes: the system comprises an X-ray source, a radiation source box, a linear array receiver and a temperature control unit; wherein, the linear array receiver and the temperature control unit are respectively connected with the central processor.
The X-ray source is arranged in the source box, can be an X-ray source for emitting dual-energy X-rays and can emit X-rays with high energy and low energy; a linear collimator is arranged at a light outlet of the source box and used for eliminating scattered X rays; the linear array receiver is arranged between the upper belt surface and the lower belt surface of the belt, is arranged in the middle along the width direction of the belt, and is used for receiving an X-ray signal penetrating through a detected material and sending the X-ray signal to the central processor 40; the temperature control unit is arranged at the top of the radiation source box and can comprise an air conditioner or a high-pressure air cooling mechanism for adjusting the temperature of the working environment and providing stable working temperature for the X-ray source.
Further, the linear array receiver comprises a digital acquisition card and an analog acquisition card; the analog acquisition card is used for receiving the X-ray signals penetrating through the detected material and sending the X-ray signals to the digital acquisition card; the digital acquisition card is used for receiving the X-ray signal and transmitting the digital signal converted from the X-ray signal to the central processor 40.
In the working process, the X-ray source emits X-rays which can penetrate through a detected material (such as coal) on the belt, and an analog acquisition card arranged in the belt can receive an X-ray signal penetrating through the detected material and send the received signal to a digital acquisition card; the digital acquisition card can convert the received X-ray signals into digital high-energy signals and/or low-energy signals, and send the converted digital signals to the central processor 40, and the central processor 40 can calculate the ash value corresponding to the detected material according to the received digital signals and the thickness of the detected material, and output the obtained ash value.
In one embodiment, the moisture detection device 13 is a microwave moisture detection device comprising: the microwave receiver comprises a microwave generator and a microwave receiver, wherein the centers of the microwave generator and the microwave receiver are positioned at the same height. After the microwave signal is generated by the microwave generator, the microwave signal is emitted by the microwave emitting device, the microwave receiver receives the microwave attenuation parameter (namely the moisture detection signal) after the microwave signal passes through the detected material layer, and sends the microwave attenuation parameter to the central processor 40, and the central processor 40 can calculate the moisture value corresponding to the detected material according to the microwave attenuation parameter and the thickness of the detected material and output the obtained moisture value.
The embodiment of the utility model provides an above-mentioned buck detector combines together flat material device, ash content detection device and moisture device, is detected the material on the belt behind the flat material device of plough formula, and material thickness is unanimous, but does not change the bulk density who is detected the material, material properties such as granularity constitution. The ploughed detected material sequentially passes through the thickness measuring device, the X-ray ash content detecting device and the microwave moisture measuring device to respectively obtain a thickness detection signal, an ash content detection signal and a moisture content detection signal, and the thickness detection signal, the ash content detection signal and the moisture content detection signal are sent to the central processor, and the central processor performs data processing and outputs a corresponding ash content value and a corresponding moisture content value. Before detection, the grey water detector can firstly utilize the material flattening device to adjust the thickness of the detected material on the belt, so that the thickness of the detected material is uniform; then utilize ash content detection device and moisture detection device to carry out the detection of ash content and moisture to the detected material of even thickness to reduce and to be detected the influence that material thickness inequality detected ash content and moisture, improve the detection precision and the detection effect of ash content and moisture.
On the basis of the foregoing embodiment, the embodiment of the present invention further provides another gray water detector, referring to a schematic structural diagram of another gray water detector shown in fig. 2, which illustrates that the gray water detector 100 includes a plow-type leveling device 20, a thickness measuring device 11, an X-ray ash content detecting device 21, a microwave moisture detecting device 22, and a central processor 40; wherein, the plow type material leveling device 20, the thickness measuring device 11, the X-ray ash content detecting device 21 and the microwave moisture detecting device 22 are sequentially arranged above the belt along the rotating direction of the belt of the conveyor; the central processor 40 is connected with the plow-type material leveling device 20, the thickness measuring device 11, the X-ray ash content detecting device 21 and the microwave moisture content detecting device 22. The X-ray ash detection device 21 includes: an X-ray source 211, a source box 212, a line receiver 213 and a temperature control unit 214; the microwave moisture detection device 22 includes: a microwave generator 221 and a microwave receiver 222.
The embodiment of the utility model provides a grey water detector, its realization principle and the technological effect who produces are the same with aforementioned embodiment, for brief description, and this embodiment part does not mention the part, can refer to corresponding content in the aforementioned embodiment.
On the basis of the foregoing embodiment, the embodiment of the present invention further provides a grey water detection system, referring to the schematic structural diagram of a grey water detection system shown in fig. 3, which illustrates that the grey water detection system 200 includes the grey water detector 100 and the conveyor 50, and in a specific application, the conveyor 50 may be a belt conveyor. The leveling device, the thickness measuring device, the ash content detecting device and the moisture detecting device of the grey water detector 100 are sequentially arranged above the belt along the belt transmission direction of the conveyor.
The embodiment of the utility model provides an above-mentioned grey water detection system combines together flat material device, thickness measuring device, ash content detection device and moisture device, can utilize the thickness data of thickness measuring to adjust the thickness of the detected material that is located on the belt through flat material device before detecting at first, makes the thickness of the detected material even; then utilize ash content detection device and moisture detection device to carry out the detection of ash content and moisture to the detected material of even thickness to reduce and to be detected the influence that material thickness inequality detected ash content and moisture, improve the detection precision and the detection effect of ash content and moisture.
In order to facilitate understanding, the embodiment of the present invention uses transportation coal as an example, and further provides a specific structural schematic diagram of a grey water detection system, see another structural schematic diagram of a grey water detection system shown in fig. 4, and the schematic grey water detection system 200 includes: the device comprises a plow-type material leveling device 20, a thickness measuring device 11, an X-ray source 211, a source box 212, a linear array receiver 213, a temperature control unit 214, a microwave generator 221, a microwave receiver 222, a central processor 40, a conveyor 50 and a coal flow 60.
The plow material leveling device 20, the thickness measuring device 11, the X-ray source 211, the source box 212, the temperature control unit 214, the microwave generator 221 and the microwave receiver 222 are sequentially arranged above a belt along the belt transmission direction of the conveyor, the linear array receiver 213 is arranged between the upper belt surface and the lower belt surface of the belt and is arranged in the middle along the width direction of the belt, and the plow material leveling device 20, the X-ray source 211, the linear array receiver 213, the temperature control unit 214, the microwave generator 221 and the microwave receiver 222 are respectively connected with the central processor 40.
In the working process, the coal coming from the belt passes through the plow type material leveling device 20, the material thickness is consistent, the coal flow after plowing passes through the thickness measuring device 11, the X-ray source 211 and the microwave generator 221 in sequence, the thickness measuring device 11 measures the thickness of the coal flow after plowing, and a thickness detection signal of the coal flow is sent to the central processor 40; after the X-ray signal emitted by the X-ray source 211 penetrates through the coal seam, the linear array receiver 213 receives the X-ray signal penetrating through the coal seam and sends the received signal to the central processor 40; the microwave signal generated by the microwave generator 221 is reflected after reaching the coal seam, and the microwave receiver 222 receives the microwave attenuation parameter and sends the received signal to the central processor 40; the central processor 40 respectively performs data processing according to the received thickness measurement data, the X-ray signal and the microwave attenuation parameter, and outputs a gray value corresponding to the X-ray signal and a moisture value corresponding to the microwave attenuation parameter.
Further, a calorific value parameter (low calorific value) corresponding to the coal can be calculated according to the ash value and the moisture value, and the calculation formula is as follows:
Qnet，ad＝A+B*Ad+C*Mad+D
the method comprises the following steps of obtaining a gray value by means of sampling, obtaining a gray value by means of standard non-linear regression fitting, obtaining a gray value by means of Mad, obtaining a water value by means of A, B, C and D, and obtaining the gray value by means of constant terms.
Because the X-ray ash content measuring device and the microwave moisture measuring device eliminate the influence of uneven coal thickness on the detection precision, the detection precision of ash content and moisture content is improved, and the precision of corresponding heat value is also ensured.
The embodiment of the utility model provides an above-mentioned grey water detecting system combines plough formula levelling device with X ray transmission method, microwave method, can utilize plough formula levelling device to adjust the thickness of coal stream at first before the detection, makes the thickness of coal stream even; and then, detecting ash content and moisture content of the coal flow 60 with uniform thickness by using an X-ray transmission method and a microwave method, thereby reducing the influence of uneven thickness on the detection of the ash content and the moisture content and improving the detection precision and the detection effect of the ash content and the moisture content of the coal.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the system described above may refer to the corresponding process in the foregoing embodiments, and is not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
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, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the present disclosure, which should be construed as broadly as possible. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An grey water detector, comprising: the device comprises a material flattening device, a thickness measuring device, an ash content detecting device and a moisture detecting device; the leveling device, the thickness measuring device, the ash content detecting device and the moisture detecting device are sequentially arranged above a belt along the conveying direction of the belt of the conveyor; the grey water detector also comprises a central processor which is connected with the thickness measuring device, the ash content detecting device, the moisture detecting device and the leveling device;
the material flattening device is used for adjusting the thickness of the detected material on the belt;
the thickness measuring device is used for sending a detected thickness detection signal of the detected material on the belt to the central processor;
the ash content detection device is used for sending the obtained ash content detection signal of the detected material to the central processor;
the moisture detection device is used for sending the acquired moisture detection signal of the detected material to the central processor;
the central processor is used for receiving the thickness detection signal, the ash content detection signal and the moisture content detection signal and outputting an ash content value corresponding to the ash content detection signal and a moisture content value corresponding to the moisture content detection signal; the detection precision of the gray value and the moisture value is related to the thickness detection signal.
2. The grey water detector of claim 1, wherein the leveling device comprises a plow leveling device; the plough type material leveling device comprises a plough head, a servo motor, a speed reducer and a lead screw;
the middle lower part of the plowshare is welded with a plowshare fixing plate, and a threaded hole of the plowshare fixing plate is connected with the external thread of the lead screw; the upper end of the lead screw is connected with an output shaft of the speed reducer, and an input shaft of the speed reducer is connected with an output shaft of the servo motor.
3. The grey water detector of claim 2, wherein the input shaft of the speed reducer is provided with a manual turn disc for manually adjusting the height of the plow head.
4. The grey water detector of claim 2, wherein the speed reducer is a worm gear speed reducer.
5. The grey water detector of claim 1, wherein the ash detection device is an X-ray ash detection device comprising: the system comprises an X-ray source, a radiation source box, a linear array receiver and a temperature control unit; the linear array receiver and the temperature control unit are respectively connected with the central processor;
the X-ray source is arranged inside the source box;
the linear array receiver is arranged between the upper belt surface and the lower belt surface of the belt, is arranged in the middle along the width direction of the belt, and is used for receiving an X-ray ash content detection signal penetrating through the detected material and sending the X-ray ash content detection signal to the central processor;
the temperature control unit is arranged at the top of the source box and used for adjusting the temperature of a working environment.
6. The grey water detector of claim 5, wherein a line collimator is provided at the exit of the source box to eliminate scattered X-rays.
7. The grey water detector of claim 5, wherein the linear array receiver comprises a digital acquisition card and an analog acquisition card;
the analog acquisition card is used for receiving an X-ray signal penetrating through the detected material and sending the X-ray signal to the digital acquisition card;
the digital acquisition card is used for receiving the X-ray signals and transmitting digital signals converted from the X-ray signals to the central processor.
8. The grey water detector of claim 5, wherein the temperature control unit comprises an air conditioner or a high pressure air cooling mechanism.
9. The grey water detector of claim 1, wherein the moisture detection device is a microwave moisture detection device comprising: the microwave receiver comprises a microwave generator and a microwave receiver, wherein the centers of the microwave generator and the microwave receiver are positioned at the same height.
10. A grey water detection system comprising the grey water detector of any of claims 1 to 9, further comprising a conveyor; the leveling device, the thickness measuring device, the ash content detecting device and the moisture detecting device are sequentially arranged above the belt along the belt transmission direction of the conveyor.
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| WO2022227745A1 (en) * | 2021-04-30 | 2022-11-03 | 三一汽车制造有限公司 | Material moisture content measurement apparatus and method, and concrete production and conveyer system |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022227745A1 (en) * | 2021-04-30 | 2022-11-03 | 三一汽车制造有限公司 | Material moisture content measurement apparatus and method, and concrete production and conveyer system |
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