CN111410400A - Sludge drying system, debugging method thereof and computer equipment - Google Patents
Sludge drying system, debugging method thereof and computer equipment Download PDFInfo
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- CN111410400A CN111410400A CN202010293857.2A CN202010293857A CN111410400A CN 111410400 A CN111410400 A CN 111410400A CN 202010293857 A CN202010293857 A CN 202010293857A CN 111410400 A CN111410400 A CN 111410400A
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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Abstract
The invention is applicable to the technical field of sludge treatment, and provides a sludge drying system, a debugging method thereof and computer equipment. The debugging method of the sludge drying system comprises the following steps: obtaining a discharge image of dried sludge; comparing the discharged material image with a qualified sample image, wherein the qualified sample image is a standard sample image when the sludge water content is qualified; when the similarity between the discharged image and the qualified sample image is smaller than a preset value, comparing the discharged image with a sample atlas, and determining the discharged water content of the dried sludge, wherein the sample atlas comprises standard sample images of the sludge with different water contents; and outputting a control instruction of the sludge drying system according to a preset rule according to the discharged water content. The discharging water content of the sludge can be determined by comparing the discharging image after the sludge is dried with the sample atlas, and the operation parameters of the sludge drying system are adjusted according to the preset rules according to the discharging water content, so that the automatic debugging of the sludge drying system is completed, and the working efficiency of the sludge drying is improved.
Description
Technical Field
The invention belongs to the technical field of sludge treatment, and particularly relates to a sludge drying system, a debugging method thereof and computer equipment.
Background
The sludge belongs to colloid property, has strong water absorption capacity, is difficult to be naturally dried and is difficult to be transported and stacked. The sludge needs to be manually dried so as to be convenient for post treatment of the sludge. When drying sludge, the sludge is generally spread and then dried. The properties of the finished product meeting the drying requirements are usually obtained by depending on experience experiments, so that the sludge drying equipment generally needs to be debugged before drying the sludge, and the sludge drying equipment is operated according to debugged parameters to obtain the discharged sludge meeting the drying requirements.
When the existing sludge drying equipment is debugged, when the moisture content of the discharged sludge obtained according to the initial operation parameters is detected, a traditional halogen lamp or a moisture measurement mode similar to the principle is generally adopted, and then the operating parameters of the equipment are debugged by workers according to the measured moisture content and the experience of the workers, so that the discharged sludge meeting the drying requirements is obtained. The water content measurement of each sample usually takes tens of minutes, and the dry material sample obtained again after the operation parameters are adjusted usually takes several hours.
Therefore, the existing sludge drying equipment consumes longer time when being debugged, and the sludge drying efficiency is reduced.
Disclosure of Invention
The invention aims to provide a debugging method of a sludge drying system, and aims to solve the problems of long time consumption and low sludge drying efficiency in debugging of the conventional sludge drying equipment.
The invention relates to a debugging method of a sludge drying system, which comprises the following steps:
obtaining a discharge image of dried sludge;
comparing the discharging image with a qualified sample image, wherein the qualified sample image is a standard sample image when the sludge water content is qualified;
when the similarity between the discharged material image and the qualified sample image is smaller than a preset value, comparing the discharged material image with a sample atlas to determine the discharged material moisture content of the dried sludge, wherein the sample atlas comprises standard sample images of the sludge with different moisture contents;
and outputting a control instruction of a sludge drying system according to a preset rule according to the discharged water content, wherein the control instruction of the sludge drying system comprises a sludge drying time instruction and a sludge spreading thickness instruction.
Another object of the present invention is to provide a sludge drying system including:
the drying machine comprises a sludge spreading module and a sludge drying module, wherein the sludge spreading module is used for spreading sludge, and the sludge drying module is used for drying the spread sludge;
the image acquisition unit is used for acquiring a discharge image of the dried sludge;
a processing unit electrically connected to the image acquisition unit, the processing unit configured to:
comparing the discharging image with a qualified sample image, wherein the qualified sample image is a standard sample image when the sludge water content is qualified;
when the similarity between the discharged material image and the qualified sample image is smaller than a preset value, comparing the discharged material image with a sample atlas to determine the discharged material moisture content of the dried sludge, wherein the sample atlas comprises standard sample images of the sludge with different moisture contents;
outputting a control instruction of a sludge drying system according to the discharged water content and a preset rule, wherein the control instruction of the sludge drying system comprises a sludge drying time instruction and a sludge spreading thickness instruction;
and the control unit is electrically connected with the processing unit and the dryer and is used for controlling the dryer to operate.
Another object of the present invention is to provide a computer device, comprising a memory and a processor, wherein the memory stores a computer program, and the computer program, when executed by the processor, causes the processor to execute the steps of the sludge drying system commissioning method described above.
According to the technical scheme, the discharged water content of the sludge can be determined by comparing the discharged image after the sludge is dried with the sample atlas, and the operation parameters of the sludge drying system are adjusted according to the discharged water content and preset rules, so that the automatic debugging of the sludge drying system is completed, and the working efficiency of sludge drying is improved.
Drawings
FIG. 1 is a diagram of an application environment of a debugging method of a sludge drying system according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for debugging a sludge drying system according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a control command for outputting a sludge drying system according to a predetermined rule according to an embodiment of the present invention;
fig. 4 is a flowchart of an instruction for correcting a thickness of a sludge blanket according to an embodiment of the present invention;
FIG. 5 is a block diagram showing an internal configuration of a computer device according to an embodiment.
Detailed description of the preferred embodiments
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another. For example, a first xx script may be referred to as a second xx script, and similarly, a second xx script may be referred to as a first xx script, without departing from the scope of the present application.
Fig. 1 is a schematic diagram of a hardware environment of a debugging method of a sludge drying system in an embodiment of the invention. In the figure 100 is an image acquisition unit; 200 is a drier; 300 is a processing unit, 400 is a controller; reference numeral 500 denotes a thickness measuring unit, wherein the image acquiring unit 100 and the thickness measuring unit 500 are both disposed in the dryer 200 and connected to the processing unit 300, the controller 400 is simultaneously connected to the processing unit 300 and the dryer 200, and the controller 400 is configured to control the operation of the dryer 500 according to a control command output from the processing unit 300. The image acquisition unit 100 may be a camera; the processing unit 300 may be a smart phone, a tablet computer, a notebook computer, a desktop computer, or a server; the thickness measuring unit 500 may be composed of an infrared ray receiver and an infrared ray emitter; but specific hardware devices of the image acquisition unit 100, the processing unit 300, the controller 400, and the thickness measuring unit 500 are not limited thereto.
Examples
Example 1
As shown in fig. 2, in an embodiment, a method for commissioning a sludge drying system is provided, which is applied to the processing unit 300 shown in fig. 1, and specifically includes the following steps:
step S202, obtaining a discharge image of the dried sludge;
in the embodiment of the invention, the discharging image is the image of the surface of the spread sludge when the spread sludge is dried by the dryer and then discharged.
Step S204, comparing the discharged material image with a qualified sample image, wherein the qualified sample image is a standard sample image when the sludge water content is qualified;
in the embodiment of the invention, the surface states of the sludge with different water contents are different, wherein the surface states comprise parameters such as the grain diameter, the color and the cracking lines of the surface of the sludge. The qualified sample image is an image of the surface state of the sludge when the water content is qualified, and the qualified sample image needs to be preset according to the requirement of a client on the water content when the sludge is discharged, for example, the qualified water content is 35%, and the qualified sample image is an image of the surface of the sludge when the water content is 35%.
In the embodiment of the invention, the comparison between the discharging image and the qualified sample image is the similarity of the comparison between the discharging image and the qualified sample image. For example, the similarity between the two pictures can be obtained by converting the pictures into binary codes and then comparing the pixels of the two pictures; or comparing the similarity of the two by using a mean hash algorithm; or according to an algorithm related to the detection of properties such as apparent color, granularity and proportional relation of medicines or foods in an industrial production line in a computer vision library, character distinguishing characteristics of the dried sludge, such as particle size, light transmittance and color of the dried sludge, are taken as analysis items, and are integrated into a special program capable of rapidly counting and analyzing the particle characteristics of the discharged material by referring to organization and integration methods of various functions.
Step S206, when the similarity between the discharged material image and the qualified sample image is smaller than a preset value, comparing the discharged material image with a sample atlas, and determining the discharged material water content of the dried sludge, wherein the sample atlas comprises standard sample images of the sludge with different water contents;
in the embodiment of the invention, for example, the similarity value is preset to 85%, after the similarity value is obtained by comparing the discharging image with the qualified image, the similarity value is compared with 85%, when the similarity value is greater than or equal to 85% after comparison, the discharging water content of the sludge at the moment is approximate to the qualified water content, the sludge drying system can operate according to the initial set parameters, so that the discharging sludge with the qualified water content is obtained, but when the similarity value is less than 85% after comparison, the discharging water content of the sludge at the moment is too large or too small, the discharging is wet, the drying is incomplete, the discharging is too small, the discharging is dry, dust hazard may exist, the sludge drying system needs to be debugged, when the similarity value is less than 85%, the initial set parameters can be used for carrying out a test on the sludge in a heat-insulated hot air experimental oven, the temperature, humidity and air speed conditions set in the oven are similar to the actual running environment of the dryer, the drying machine has a high loading limit, the wet sludge sample thickness is less than ch. to ensure the drying quality, no sugar core phenomenon occurs, the drying test needs to determine that the drying quality, the drying quality is equal to the drying quality, when the drying belt is equal to the drying belt, the drying belt thickness of the drying belt is equal to the drying belt, the drying belt is equal to the average drying belt thickness of the drying belt, the drying belt is equal to the drying belt, the drying belt thickness of the drying belt is equal to the drying belt, when the drying belt, the drying belt thickness of the drying belt, the average belt is equal to the average belt, the average belt is equal to the average belt, the drying belt is equal to the drying belt, the average belt, the drying belt is no more than the drying belt, the drying belt thickness of the drying belt, the drying belt is equal to the average belt, the drying belt is equal to the drying belt, the drying belt thickness of the drying belt is no more than the average belt, the average belt thickness of the drying belt is no more than the average belt, the drying belt is no more than the drying belt, the average belt, the drying belt is no more than the average belt, the drying belt, the average belt, the drying belt is no more than the average belt thickness of the drying belt, the average belt, the drying belt is no more than the drying belt thickness of the drying belt is no more than the average belt is no more than the drying belt is no more than the average belt is no more than the drying belt, the average belt is no more than the:
r1＝Vt1/(60·π·d)
rt＝[Le·(Z-1)+(Z-1)·π·d/4]/[tb-(Le+π·d/4)/Vt1]/(60·π·d)
in the embodiment of the present invention, for example, the sample atlas may include standard sample images of sludge with various water contents corresponding to 15%, 20%, 40%, 45%, 50%, 55%, and the like, the discharged image is compared with the sample atlas, that is, the discharged image is compared with the standard sample images with various water contents corresponding to the sample atlas, and when the similarity between the discharged image and a certain standard sample image reaches a specified value (for example, the specified value may also be 85% or other), the water content of the discharged sludge may be approximated to the water content corresponding to the standard sample image, so that the discharged water content, that is, the water content when the sludge is discharged after being dried, is determined.
And S208, outputting a control instruction of the sludge drying system according to a preset rule according to the discharged water content, wherein the control instruction of the sludge drying system comprises a sludge drying time instruction and a sludge spreading thickness instruction.
In the embodiment of the invention, the sludge drying time instruction is a control instruction of the rotating speed rt of the driving motor of the mesh belt below the first layer, and the sludge spreading thickness instruction is a control instruction of the rotating speeds rin, rq and r1 of the feeding device, the forming device and the driving motor of the mesh belt at the first layer.
In the embodiment of the present invention, as shown in fig. 2, outputting the control instruction of the sludge drying system according to the preset rule according to the moisture content of the discharged material may include:
step S302, comparing the discharged water content with the qualified water content;
step S304, outputting a first control instruction when the discharged water content is higher than the qualified water content, wherein the first control instruction is used for reducing the discharged water content of the sludge after the sludge drying system operates according to the control of the first control instruction;
and S306, outputting a second control instruction when the discharged water content is lower than the qualified water content, wherein the second control instruction is used for increasing the discharged water content of the sludge after the sludge drying system operates according to the control of the second control instruction.
The first control instruction is used for enabling the sludge dryer to reduce the discharging water content of the sludge after running under the control of the first control instruction, the discharging water content of the sludge can be reduced by reducing the material thickness and the drying time duration at the same time, or the material thickness is increased and the drying time duration is increased, and the like, the rt can be simultaneously increased for r1, or r1 and rt are simultaneously decreased for the corresponding first control instruction, and at the moment, rin and rq do not change.
The second control instruction is used for increasing the discharged water content of the sludge after the sludge dryer operates under the control of the second control instruction, the discharged water content of the sludge can be increased by increasing the material thickness and simultaneously reducing the drying time, or reducing the material thickness and simultaneously reducing the drying time, or increasing the material thickness and simultaneously increasing the drying time, and the like, and then the rt can be simultaneously increased for decreasing r1, or r1 and rt, or r1 and rt, and at the moment, rin and rq do not change.
According to the debugging method of the sludge drying system, provided by the embodiment of the invention, the discharging water content of the sludge can be determined by comparing the discharging image after the sludge is dried with the sample atlas, and the operation parameters of the sludge drying system are adjusted according to the discharging water content according to the preset rule, so that the automatic debugging of the sludge drying system can be realized, the debugging time is saved, and the working efficiency of sludge drying is improved.
Example 2
In another embodiment of the present invention, the method for commissioning a sludge drying system further comprises:
and step S210, correcting the sludge spreading thickness instruction.
In the embodiment of the present invention, the execution sequence of step S210 and the above steps S202, S204, S206, and S208 is not limited, for example, it may be executed before step S202, or after step S208. The sludge spreading of the sludge dryer is realized by placing the sludge on a moving conveying mesh belt through a feeding device, the falling sludge can be spread along with the movement of the conveying mesh belt, when the moving speed and the feeding speed of the conveying mesh belt are fixed, the spreading thickness of the sludge is also related by the state of the sludge, for example, the water content of the sludge is different, the mobility of the sludge is different, when the moving speed and the feeding speed of the conveying mesh belt are fixed, the thickness of the spread cloth may be different, and for example, some dryers may use a forming device to cut the sludge before the sludge falls onto the conveying mesh belt for spreading, and the thickness of the sludge spread on the conveying mesh belt may be influenced by the cutting granularity of the sludge, therefore, when the moving speed and the feeding speed of the conveying mesh belt are fixed, the theoretical value and the actual value of the thickness of the sludge spreading cloth are different. The correction of the sludge spreading thickness instruction means that when the movement speed of the conveying net belt below the first layer is fixed, the rotating speed r1 of the first layer of net belt motor is corrected to be r1 ', so that the actual value of the sludge spreading thickness corresponding to the rotating speed r 1' of the feeding motor is the same as the theoretical value of the sludge spreading thickness corresponding to the rotating speed r1 of the first layer of net belt motor.
In the embodiment of the present invention, as shown in fig. 4, the correcting the sludge spreading thickness instruction includes:
step S402, acquiring an actually measured thickness value of the sludge spreading thickness;
step S404, comparing the measured thickness value with a theoretical value; the theoretical value is the theoretical value of the sludge spreading thickness corresponding to the sludge spreading thickness instruction.
And step S406, outputting a sludge spreading thickness adjusting instruction when the actual measurement thickness value deviates from the theoretical value, wherein the adjusting instruction is used for adjusting the actual measurement thickness value of the sludge spreading so as to enable the adjusted actual measurement thickness value to be close to the theoretical value.
In the embodiment of the present invention, the measured thickness value may be an average value of measured values of the thickness measuring unit in a certain period. For example, the thickness measuring unit 500 is composed of an infrared emitter and an infrared receiver disposed on both sides of the conveyer belt 202, frequency analysis is performed on the serial number information transmitted by the infrared thickness measuring device, an average value of the cloth thickness within a measurable range is calculated, multiple sets of infrared emitters and infrared receivers are disposed in the vertical direction, and the serial number corresponding to each set is 1, 2, … m; the corresponding height values are h0, h0+ u, h0+ 2. u, …, h + (m-1). u in sequence, and u is the height distance between adjacent side pairs; the infrared side transmits and receives signals at a certain time base, the infrared side walks through the transmission mesh belt 202 with the period T being 5min, the detection is carried out for s times at equal time intervals, and the design of a transmitting and receiving circuit ensures that s is more than 2000; in a period T, infrared rays are generally focused on the top of a mud layer in a plurality of adjacent intervals, if three adjacent intervals exist, the interval A is (h0+ (i-2) · u, h0+ (i-1) · u), the interval B is (h0+ (i-1) · u, h0+ i · u), the interval C is (h0+ i · u, h0+ (i +1) · u), 2< i < m-1, and side pairs below the interval A, B, C are all in an open circuit state; the number of scanning times of the section A, B, C is na, nb, nc, and the time-averaged value cve of the material layer thickness can be calculated accordingly.
cve＝[na·(h0+(i-2)·u)+nb·(h0+(i-1)·u)+nc·(h0+i·u)]/s
In the embodiment of the present invention, the theoretical value of the sludge spreading thickness corresponding to the sludge spreading thickness instruction is the theoretical value of the sludge spreading thickness corresponding to the first layer of mesh belt motor when the rotation speed of the first layer of mesh belt motor is r1 when the movement speed of the conveying mesh belt 202 is fixed. The adjusting instruction refers to adjusting the rotating speed of the first layer of mesh belt motor to r 1'. For example, the measured thickness may be adjusted to be less than r1 'and less than r1, and when the measured thickness is less than the theoretical value, r 1' and greater than r 1.
According to the debugging method of the sludge drying system, provided by the embodiment of the invention, the actual thickness value is compared with the theoretical thickness value by arranging the thickness measuring device 500, and then the rotating speed of the feeding motor is adjusted to enable the actual thickness value to be the same as the theoretical thickness value, so that the debugging accuracy can be improved, and the working reliability of the system is guaranteed.
Example 3
In another embodiment of the present invention, there is provided a sludge drying system including:
the dryer 200 comprises a sludge spreading module and a sludge drying module, wherein the sludge spreading module is used for spreading sludge, and the sludge drying module is used for drying the spread sludge;
the image acquisition unit 100 is used for acquiring a discharge image of the dried sludge;
a processing unit 300 electrically connected to the image acquiring unit 100, wherein the processing unit 300 is configured to execute the following steps S202, S204, S206, and S208:
and a control unit 400 electrically connected to the processing unit 300 and the dryer 200, for controlling the operation of the dryer.
In the embodiment of the present invention, the specific structure of the dryer 200 is not limited. The sludge spreading module may include a feeding device 201 and a horizontally disposed conveying mesh belt 202, wherein the feeding device 201 is configured to convey sludge onto the conveying mesh belt 202, and the sludge can be spread along with the movement of the conveying mesh belt 202. Of course, the feeding device 201 may also convey the sludge to the sludge forming device 203 before conveying the sludge to the conveying mesh belt 202, so that the sludge falls onto the conveying mesh belt 202 after being cut, the sludge forming device 203 may cut the sludge into strips, and the specific structure of the sludge forming device 203 is not limited in this embodiment; the feeding device 201 may be an inclined scraper conveyer, and the embodiment is not limited to the specific structure of the feeding device. The sludge drying module may include a hot air blower (not shown), and the hot air blower may be used to dry the spread sludge, but is not limited thereto.
In the implementation of the present invention, the image obtaining unit 100 may be a camera, and the camera is disposed at a sludge discharging position on the sludge drying machine, and the specific location of the camera is not limited in this embodiment.
In the implementation of the present invention, the processing unit 300 may be a smart phone, a tablet computer, a notebook computer, a desktop computer or a server; the thickness measuring unit 500 may be composed of an infrared ray receiver and an infrared ray emitter; however, the specific hardware devices of the image acquisition unit, the processing unit 300, and the thickness measuring unit are not limited thereto.
In the embodiment of the present invention, the control unit 400 may be a P L C controller, but is not limited thereto, and the control unit 400 controls the operation of the dryer 200 by being connected to each driving motor in the dryer 400 to control the operation of the components connected to each driving motor.
According to the sludge drying system provided by the embodiment of the invention, the image acquisition unit and the processing unit are arranged, and the processing unit executes the contents of the steps S202, S204, S206 and S208, so that the automatic debugging of the sludge drying system can be realized, the debugging time is saved, and the working efficiency of sludge drying is improved.
Example 3
In another embodiment of the present invention, the sludge drying system further comprises: the thickness measuring unit 500 is electrically connected with the processing unit 300, and the thickness measuring unit 500 is used for measuring the real-time thickness value of the sludge spreading thickness;
the processing unit 300 is further configured to execute the contents of the above steps S402, S404, and S406.
In the embodiment of the present invention, the specific structure and the operation principle of the thickness measuring unit 500 are not limited, for example, the thickness measuring unit 500 is composed of an infrared emitter and an infrared receiver disposed at both sides of the mesh belt 202, the infrared emitter and the infrared receiver may be disposed in multiple sets along the height direction of the sludge spreading, and the specific arrangement structure of the infrared emitter and the infrared receiver is not limited, for example, baffles may be disposed at both sides of the mesh belt 202, and then the infrared emitter and the infrared receiver are fixed on the baffles.
According to the sludge drying system provided by the embodiment of the invention, the thickness measuring unit 500 is electrically connected with the processing unit 300 by arranging the thickness measuring unit 500, and the processing unit 300 executes the contents of the steps S402, S404 and S406, so that the spreading thickness instruction can be calibrated, the debugging accuracy of the sludge drying system is improved, and the working reliability of the system is guaranteed.
FIG. 5 is a diagram illustrating an internal structure of a computer device in one embodiment. The computer device may specifically be the processing unit 300 in fig. 1. As shown in fig. 5, the computer apparatus includes a processor, a memory, a network interface, an input device, and a display screen connected through a system bus. Wherein the memory includes a non-volatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system and also stores a computer program, and when the computer program is executed by the processor, the computer program can enable the processor to realize the debugging method of the sludge drying system. The internal memory may also have a computer program stored therein, which when executed by the processor, causes the processor to perform a method of commissioning a sludge drying system. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 5 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is proposed, the computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
obtaining a discharge image of dried sludge;
comparing the discharged material image with a qualified sample image, wherein the qualified sample image is a standard sample image when the sludge water content is qualified;
when the similarity between the discharged image and the qualified sample image is smaller than a preset value, comparing the discharged image with a sample atlas, and determining the discharged water content of the dried sludge, wherein the sample atlas comprises standard sample images of the sludge with different water contents;
and outputting a control instruction of the sludge drying system according to a preset rule according to the discharged water content, wherein the control instruction of the sludge drying system comprises a sludge drying time instruction and a sludge spreading thickness instruction.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in various embodiments may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
Those skilled in the art will appreciate that all or a portion of the processes in the methods of the embodiments described above may be implemented by computer programs that may be stored in a non-volatile computer-readable storage medium, which when executed, may include the processes of the embodiments of the methods described above, wherein any reference to memory, storage, database or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, non-volatile memory may include read-only memory (ROM), programmable ROM (prom), electrically programmable ROM (eprom), electrically erasable programmable ROM (eeprom), or flash memory, volatile memory may include Random Access Memory (RAM) or external cache memory, RAM is available in a variety of forms, such as static RAM (sram), Dynamic RAM (DRAM), synchronous sdram (sdram), double data rate sdram (ddr sdram), enhanced sdram (sdram), synchronous link (sdram), dynamic RAM (rdram) (rdram L), direct dynamic RAM (rdram), and the like, and/or external cache memory.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The debugging method of the sludge drying system is characterized by comprising the following steps:
obtaining a discharge image of dried sludge;
comparing the discharging image with a qualified sample image, wherein the qualified sample image is a standard sample image when the sludge water content is qualified;
when the similarity between the discharged material image and the qualified sample image is smaller than a preset value, comparing the discharged material image with a sample atlas to determine the discharged material moisture content of the dried sludge, wherein the sample atlas comprises standard sample images of the sludge with different moisture contents;
and outputting a control instruction of a sludge drying system according to a preset rule according to the discharged water content, wherein the control instruction of the sludge drying system comprises a sludge drying time instruction and a sludge spreading thickness instruction.
2. The debugging method of the sludge drying system according to claim 1, wherein outputting the control command of the sludge drying system according to the discharging water content and preset rules comprises:
comparing the discharged water content with the qualified water content;
when the discharged water content is higher than the qualified water content, outputting a first control instruction, wherein the first control instruction is used for reducing the discharged water content of the sludge after the sludge drying system operates according to the control of the first control instruction;
and when the discharged water content is lower than the qualified water content, outputting a second control instruction, wherein the second control instruction is used for increasing the discharged water content of the sludge after the sludge drying system operates according to the control of the second control instruction.
3. The sludge drying system commissioning method of claim 1, further comprising:
and correcting the sludge spreading thickness instruction.
4. The sludge drying system debugging method of claim 3, wherein said correcting said sludge spreading thickness command comprises:
acquiring an actually measured thickness value of the sludge spreading thickness;
comparing the measured thickness value with a theoretical value; the theoretical value is the theoretical value of the sludge spreading thickness corresponding to the sludge spreading thickness instruction.
And when the actual measurement thickness value deviates from the theoretical value, outputting a sludge spreading thickness adjusting instruction, wherein the adjusting instruction is used for adjusting the actual measurement thickness value of the sludge spreading so as to enable the adjusted actual measurement thickness value to be close to the theoretical value.
5. The method for commissioning a sludge drying system of claim 4, wherein said measured thickness value is an average of the thickness of sludge spread over a specified period.
6. A sludge drying system, characterized in that the sludge drying system comprises:
the drying machine comprises a sludge spreading module and a sludge drying module, wherein the sludge spreading module is used for spreading sludge, and the sludge drying module is used for drying the spread sludge;
the image acquisition unit is used for acquiring a discharge image of the dried sludge;
a processing unit electrically connected to the image acquisition unit, the processing unit configured to:
comparing the discharging image with a qualified sample image, wherein the qualified sample image is a standard sample image when the sludge water content is qualified;
when the similarity between the discharged material image and the qualified sample image is smaller than a preset value, comparing the discharged material image with a sample atlas to determine the discharged material moisture content of the dried sludge, wherein the sample atlas comprises standard sample images of the sludge with different moisture contents;
outputting a control instruction of a sludge drying system according to the discharged water content and a preset rule, wherein the control instruction of the sludge drying system comprises a sludge drying time instruction and a sludge spreading thickness instruction;
and the control unit is electrically connected with the processing unit and the dryer and is used for controlling the dryer to operate.
7. The sludge drying system of claim 6, further comprising:
the thickness measuring unit is electrically connected with the processing unit and is used for measuring the real-time thickness value of the sludge spreading thickness;
the processing unit is further to:
acquiring an actually measured thickness value according to the real-time thickness value;
comparing the measured thickness value with a theoretical value; the theoretical value is the theoretical value of the sludge spreading thickness corresponding to the sludge spreading thickness instruction.
And when the actual measurement thickness value deviates from the theoretical value, outputting a sludge spreading thickness adjusting instruction, wherein the adjusting instruction is used for adjusting the actual measurement thickness value of the sludge spreading so as to enable the adjusted actual measurement thickness value to be close to the theoretical value.
8. The sludge drying system of claim 7, wherein said measured thickness value is an average of said real-time thickness values over a specified period.
9. The sludge drying system of claim 7, wherein the thickness measuring unit comprises at least one set of infrared emitter and infrared receiver, and the infrared emitter and the infrared receiver are arranged along the height direction of the sludge spreading.
10. A computer arrangement, comprising a memory and a processor, the memory having stored therein a computer program which, when executed by the processor, causes the processor to carry out the steps of the sludge drying system commissioning method of any one of claims 1 to 5.
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