A Smart Assessment Method for Agricultural Waste Resource Utilization

Abstract

This invention relates to the field of biomass energy utilization data analysis technology, and in particular to an intelligent assessment method for agricultural waste resource utilization. In this invention, the biomass solidified fuel is marked based on a comparison of the outline of the prepared fuel with preset outline data. The quantity of each marked fuel type is used to preliminarily assess whether the prepared biomass solidified fuel is qualified. When the outline data of the biomass solidified fuel deviates significantly from the preset outline data, considering the dust generated during the preparation process, the concentration of dust generated during the drying process is used to assess whether the prepared biomass solidified fuel is qualified. This improves the control precision of the prepared biomass solidified fuel, analyzes the reasons for unqualified preparation, and adjusts the parameters in the next batch of fuel preparation process, thereby improving the control precision of the next batch of fuel quality, reducing dust generation, and improving the safety of the preparation process.

Description

Technical Field

[0001] This invention relates to the field of data analysis technology for biomass energy utilization, and in particular to an intelligent assessment method for the resource utilization of agricultural waste. Background Technology

[0002] With increasing environmental awareness and rising energy demand, the market demand for biomass solid fuel is constantly expanding. Straw solid fuel produces almost no sulfur dioxide (SO2) and nitrogen oxides (NOx) when burned. x Compared to traditional coal combustion, solidified biomass fuel can significantly reduce the emission of air pollutants. Existing technologies produce finished products by sequentially crushing, mixing, drying, and extruding raw materials, which improves the storage time of solidified fuel. However, the resulting solidified biomass fuel is affected by various factors and is prone to generating dust during the preparation process. The generation of dust not only increases the risk of air pollution but may also cause wear and tear on equipment and reduce production efficiency.

[0003] Chinese Patent Application No. CN201510858737.1 discloses a novel biomass solidified fuel and its preparation method. The raw materials for this biomass solidified fuel, by weight percentage, are 50-70 parts sawdust, 30-50 parts straw, 5-15 parts rice straw, and 30-50 parts peanut shells. The preparation method involves: feeding the raw materials into a crushing device for crushing; feeding the crushed raw materials into a mixing device for thorough mixing; conveying the mixed raw materials to a drying device for drying; and conveying the dried raw materials to an extrusion molding device for solidification to obtain the finished product. The advantages of this invention are: the obtained biomass solidified fuel product has dense, non-loose particles, can be stored for a long time, has a high calorific value, and produces little ash.

[0004] However, existing technologies still have the following problems:

[0005] The biomass solidified fuel produced is affected by a variety of factors and is prone to generating dust during the preparation process. The generation of dust not only increases the risk of air pollution, but may also cause wear and tear on equipment and reduce production efficiency. Summary of the Invention

[0006] Therefore, this invention provides an intelligent assessment method for the resource utilization of agricultural waste, which overcomes the problem that the biomass solidified fuel produced in the prior art is easily affected by various factors and generates dust during the preparation process. The generation of dust not only increases the risk of air pollution, but may also cause wear and tear on equipment and reduce production efficiency.

[0007] To achieve the above objectives, this invention provides an intelligent assessment method for the resource utilization of agricultural waste. It includes:

[0008] Step S1: Clean the agricultural waste raw materials, feed the cleaned agricultural waste raw materials into the crusher for crushing, and dry them after crushing. Collect the dust generated during the drying process, add biomass binder to the agricultural waste raw materials and mix them. Then, transport the mixture to the molding equipment to obtain biomass solid fuel and cool it to form biomass solid fuel.

[0009] Step S2: Obtain the contour data of the cooled and shaped biomass solidified fuel, and mark each biomass solidified fuel according to the matching degree between the contour data and the preset contour data.

[0010] Step S3: Count the quantity of each type of marked biomass solid fuel. Based on the quantity of fuel, assess whether the preparation of the current batch of biomass solid fuel meets the standards. If it is preliminarily determined that the preparation of the current batch of biomass solid fuel does not meet the standards,

[0011] A secondary assessment is conducted based on the concentration of dust generated during the drying process to determine whether the current batch of biomass solidified fuel meets the standards.

[0012] Alternatively, analyze the reasons why the preparation of the current batch of biomass solid fuel does not meet the standards based on the proportion of labeled tertiary fuels;

[0013] Step S4: Based on the analysis of the reasons why the preparation of the current batch of biomass solidified fuel does not meet the standards, adjust the corresponding parameters in the preparation process of the next batch of biomass solidified fuel to the corresponding values, and prepare the next batch of biomass solidified fuel according to the adjusted parameters. The parameters include: the rotation speed of the drying equipment, the crushing time, the stirring frequency of the mixer, and the amount of biomass binder added.

[0014] Further, in step S2, each biomass solidified fuel is marked according to the matching degree between the contour data and the preset contour data, including:

[0015] The number of identical data points between the stated contour data and the preset contour data is counted to obtain the number of identical data points.

[0016] The matching degree is obtained by calculating the ratio of the same data volume to the total number of contour data. Based on the matching degree, biomass solid fuel is labeled. The types of labeled biomass solid fuel include: primary fuel, primary fuel and tertiary fuel.

[0017] Furthermore, in step S3, the preparation of the current batch of biomass solidified fuel is evaluated based on the proportion of marked primary fuel quantities to determine whether it meets the standards.

[0018] If the initial determination is that the preparation of the current batch of biomass solid fuel does not meet the standards, a secondary determination is made based on the concentration of dust generated during the drying process to determine whether the preparation of the current batch of biomass solid fuel meets the standards.

[0019] Alternatively, the reasons why the preparation of the current batch of biomass solidified fuel does not meet the standards can be analyzed based on the proportion of fuels marked as Class III fuels.

[0020] Furthermore, in step S3, a secondary determination is made regarding whether the preparation of the current batch of biomass solidified fuel meets the standards based on the concentration of dust generated during the drying process, including:

[0021] An optical sensor was used to detect the scattering of light by dust particles generated during the drying process. The dust concentration was determined based on the scattering. Historical data on dust concentration generated during the preparation of each batch of biomass solidified fuel was obtained. A time-dust concentration curve was plotted based on the dust concentration data, the slope of each time point on the curve was determined, and the mean slope was calculated.

[0022] Based on the slope mean analysis, it is determined whether the preparation of the current batch of biomass solidified fuel meets the standards.

[0023] When determining whether the preparation of the current batch of biomass solid fuel meets the standard, the amount of agricultural waste raw materials input in the single biomass solid fuel preparation process is adjusted based on the average slope value.

[0024] When it is determined that the preparation of the current batch of biomass solid fuel does not meet the standards, it is determined that too much dust is generated during the preparation of biomass solid fuel.

[0025] Furthermore, under the condition that excessive dust is generated during the preparation of biomass solidified fuel, the rotation speed of the drying equipment during the drying process of agricultural waste raw materials is adjusted based on the mean slope value, wherein the increase in rotation speed is positively correlated with the mean slope value.

[0026] Furthermore, in step S3, the reasons why the preparation of the current batch of biomass solidified fuel does not meet the standards are analyzed based on the proportion of the marked tertiary fuel quantities. The reasons include: insufficient crushing of agricultural waste raw materials, uneven mixing of agricultural waste raw materials, and insufficient biomass binder.

[0027] Furthermore, under the condition that the agricultural waste raw material is not sufficiently crushed, the difference between the first preset fuel ratio and the quantity ratio of the third-level fuel is calculated, and the crushing time in the preparation process of the next batch of biomass solidified fuel is adjusted based on the difference, wherein the increase in crushing time is negatively correlated with the difference.

[0028] Furthermore, under the condition that the agricultural waste raw materials are unevenly mixed, the agricultural waste raw materials after crushing and processing during the preparation of the next batch of biomass solidified fuel are stirred. The variance of the matching degree of each of the three fuels in the current batch of biomass solidified fuel is calculated, and the stirring frequency of the mixer is determined based on the variance. The stirring frequency is positively correlated with the variance.

[0029] Furthermore, under the condition that the biomass binder is insufficient, the average matching degree of each of the three fuels in the current batch of biomass solidified fuel is calculated, and the amount of biomass binder added in the preparation process of the next batch of biomass solidified fuel is adjusted based on the average matching degree. Among them, the increase in the amount of additive is negatively correlated with the average matching degree.

[0030] Furthermore, in step S4, the next batch of prepared biomass solidified fuel is marked, and the quantity of each type of fuel is counted.

[0031] When determining that the preparation of a batch of biomass solid fuel does not meet the standard based on the quantity of primary fuel, the quantity ratio of secondary fuel to tertiary fuel is calculated, and the pressure of the molding equipment is adjusted based on this ratio.

[0032] Among them, the reduction in pressure of the molding equipment is negatively correlated with the quantity ratio.

[0033] Compared with the prior art, the beneficial effects of the present invention are as follows: In the present invention, the fuel is marked according to the comparison between the outline of the prepared biomass solidified fuel and the preset outline data. The quality of the prepared biomass solidified fuel is initially assessed based on the quantity of each type of marked fuel. When the outline data of the biomass solidified fuel deviates significantly from the preset outline data, considering the dust generated during the preparation process, when the proportion of primary fuel is between the first preset proportion and the second preset proportion, the quality of the prepared biomass solidified fuel is further assessed based on the concentration of dust generated during the drying process. This improves the control precision of the prepared biomass solidified fuel. When the proportion of primary fuel is low, the prepared biomass solidified fuel is determined to be unqualified, and the reasons for the unqualification are analyzed. Then, the parameters in the preparation process of the next batch of fuel are adjusted based on the analysis results, thereby improving the control precision of the preparation process of the next batch of fuel, improving the control precision of the quality of the next batch of fuel, reducing dust generation, and improving the safety of the preparation process.

[0034] Furthermore, this invention takes into account that a large number of fine particles are generated during the drying and crushing process of waste raw materials. These particles easily form dust when air flows. This invention collects the dust generated during the drying process and detects the dust concentration. Based on the dust concentration analysis, the integrity of the prepared biomass solidified fuel is assessed, thereby evaluating the quality of the prepared biomass solidified fuel and the safety of the biomass solidified fuel preparation process. This invention obtains the dust concentration generated during the drying process of each batch of biomass solidified fuel preparation, and then analyzes the preparation status of biomass solidified fuel based on the changes in dust concentration. It provides timely warnings when the dust concentration gradually increases and adjusts the preparation parameters in a timely manner, thereby further reducing the amount of dust generated and improving the safety of the preparation process.

[0035] Furthermore, in this invention, dust concentration data generated during the preparation of each batch of biomass solidified fuel is obtained. A curve is plotted based on the dust concentration data to determine the changes in dust concentration. The changes in dust concentration are used to analyze whether the fuel preparation process is qualified. When the slope of the curve is large, considering that the drying time of the waste raw materials is too long during the drying process, resulting in insufficient moisture content in the raw materials and thus increasing the amount of dust generated, the rotation speed of the rotary dryer is increased to shorten the residence time of the raw materials in the dryer, thereby shortening the drying time and avoiding excessive moisture loss in the raw materials, thereby reducing the amount of dust generated. Attached Figure Description

[0036] Figure 1 This is a flowchart of the intelligent assessment method for agricultural waste resource utilization according to the present invention;

[0037] Figure 2 A flowchart for determining the labeling of various biomass solidified fuels;

[0038] Figure 3 A flowchart for assessing whether the preparation of the current batch of biomass solidified fuel meets the standards;

[0039] Figure 4 This is a flowchart for determining whether the preparation of the current batch of biomass solidified fuel meets the standards. Detailed Implementation

[0040] To make the objectives and advantages of the present invention clearer, the present invention will be further described below with reference to embodiments; it should be understood that the specific embodiments described herein are merely for explaining the present invention and are not intended to limit the present invention.

[0041] It should be noted that the data in this embodiment are all derived from a comprehensive analysis and evaluation of historical data from the six months prior to this determination and the corresponding historical determination results by the system described in this invention. Those skilled in the art will understand that the system described in this invention can determine the above-mentioned parameters for a single item by selecting the value with the highest proportion based on the data distribution as the preset standard parameter, using weighted summation to obtain the value as the preset standard parameter, substituting each historical data point into a specific formula and using the value obtained by that formula as the preset standard parameter, or other selection methods, as long as the system described in this invention can clearly define different specific situations in the single-item determination process through the obtained values.

[0042] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0043] It should be noted that in the description of this invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc., which indicate directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of description and is not intended to indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this invention.

[0044] Furthermore, it should be noted that, in the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0045] Please see Figure 1 As shown, it is a flowchart of the intelligent assessment method for agricultural waste resource utilization according to the present invention.

[0046] The intelligent assessment method for agricultural waste resource utilization provided in this embodiment includes:

[0047] Step S1: Clean the agricultural waste raw materials, feed the cleaned agricultural waste raw materials into the crusher for crushing, and dry them after crushing. Collect the dust generated during the drying process, add biomass binder to the agricultural waste raw materials and mix them. Then, transport the mixture to the molding equipment to obtain biomass solid fuel and cool it to form biomass solid fuel.

[0048] Step S2: Obtain the contour data of the cooled and shaped biomass solidified fuel, and mark each biomass solidified fuel according to the matching degree between the contour data and the preset contour data.

[0049] Step S3: Count the quantity of each type of marked biomass solid fuel. Based on the quantity of fuel, assess whether the preparation of the current batch of biomass solid fuel meets the standards. If it is preliminarily determined that the preparation of the current batch of biomass solid fuel does not meet the standards,

[0050] A secondary assessment is conducted based on the concentration of dust generated during the drying process to determine whether the current batch of biomass solidified fuel meets the standards.

[0051] Alternatively, analyze the reasons why the preparation of the current batch of biomass solid fuel does not meet the standards based on the proportion of labeled tertiary fuels;

[0052] Step S4: Based on the analysis of the reasons why the preparation of the current batch of biomass solidified fuel does not meet the standards, adjust the corresponding parameters in the preparation process of the next batch of biomass solidified fuel to the corresponding values, and prepare the next batch of biomass solidified fuel according to the adjusted parameters. The parameters include: the rotation speed of the drying equipment, the crushing time, the stirring frequency of the mixer, and the amount of biomass binder added.

[0053] Specifically, in this embodiment, the specific composition of the biomass adhesive is not limited, and corn starch or wood flour can be used.

[0054] Specifically, in this embodiment, the specific structure of the molding equipment is not limited. A spiral extrusion molding machine or a piston briquetting molding machine can be used, which are existing technologies and will not be described in detail here.

[0055] Specifically, in this embodiment, a rotary dryer is used to dry the agricultural waste raw materials after crushing. Under the action of the drive motor, reducer and transmission device, the rotating cylinder rotates around its own axis at a predetermined rotation speed, so that the material continuously rolls and moves in the cylinder and comes into full contact with the hot airflow in the cylinder. A cyclone dust collector is connected to the air outlet of the rotary dryer, and the dust is separated by the principle of centrifugal force. The specific structure of the rotary dryer and the cyclone dust collector is not limited, as it belongs to the prior art and will not be described in detail here.

[0056] In this invention, the biomass solidified fuel is marked based on the comparison between the outline of the prepared fuel and the preset outline data. The quantity of each type of marked fuel is used to initially assess whether the prepared biomass solidified fuel is qualified. When the outline data of the biomass solidified fuel deviates significantly from the preset outline data, considering the dust generated during the preparation process, if the proportion of primary fuel is between the first and second preset proportions, the concentration of dust generated during the drying process is used to further assess whether the prepared biomass solidified fuel is qualified. This improves the control precision of the prepared biomass solidified fuel. If the proportion of primary fuel is low, the prepared biomass solidified fuel is deemed unqualified, and the reasons for the unqualification are analyzed. Based on the analysis results, the parameters in the next batch of fuel preparation process are adjusted, thereby improving the control precision of the next batch of fuel preparation process, improving the control precision of the next batch of fuel quality, reducing dust generation, and improving the safety of the preparation process.

[0057] Please see Figure 2 As shown, it is a flowchart for determining the marking of various biomass solidified fuels.

[0058] Specifically, in step S2, each biomass solidified fuel is marked according to the matching degree between the contour data and the preset contour data, including:

[0059] The number of identical data points between the stated contour data and the preset contour data is counted to obtain the number of identical data points.

[0060] The matching degree is obtained by calculating the ratio of the same amount of data to the total number of contour data.

[0061] If the matching degree is greater than or equal to the first preset matching degree, the biomass solidified fuel will be marked as a first-class fuel.

[0062] If the matching degree is less than the first preset matching degree and greater than or equal to the second preset matching degree, then the biomass solidified fuel is marked as secondary fuel;

[0063] If the matching degree is less than the second preset matching degree, the biomass solidified fuel will be marked as a third-level fuel.

[0064] Specifically, in this embodiment, the first preset matching degree is selected between the interval [0.88, 0.95], and the second preset matching degree is selected between the interval [0.79, 0.85].

[0065] Please see Figure 3 As shown, it is a flowchart for determining whether the preparation of the current batch of biomass solidified fuel meets the standards.

[0066] Specifically, in step S3, assessing whether the preparation of the current batch of biomass solidified fuel meets the standards based on the proportion of marked primary fuel quantities includes:

[0067] If the proportion of primary fuel is greater than or equal to the first preset proportion of primary fuel, then the preparation of the current batch of biomass solidified fuel is deemed to meet the standard.

[0068] If the proportion of primary fuel is less than the first preset proportion of primary fuel but greater than or equal to the second preset proportion of primary fuel, it is initially determined that the preparation of the current batch of biomass solidified fuel does not meet the standard, and a second determination is made on whether the preparation of the current batch of biomass solidified fuel meets the standard based on the concentration of dust generated during the drying process.

[0069] If the proportion of primary fuel is less than the second preset proportion of primary fuel, it is determined that the preparation of the current batch of biomass solidified fuel does not meet the standard, and the reasons for the non-compliance of the preparation of the current batch of biomass solidified fuel is analyzed based on the proportion of the number of fuel marked as tertiary fuel.

[0070] Specifically, in this embodiment, the first preset primary fuel ratio is selected between the range [0.85, 0.9], and the second preset primary fuel ratio is selected between the range [0.75, 0.8].

[0071] Please see Figure 4 As shown, it is a flowchart for determining whether the preparation of the current batch of biomass solidified fuel meets the standards.

[0072] Specifically, in step S3, a secondary determination is made on whether the preparation of the current batch of biomass solidified fuel meets the standards based on the concentration of dust generated during the drying process, including:

[0073] An optical sensor was used to detect the scattering of light by dust particles generated during the drying process. The dust concentration was determined based on the scattering. Historical data on dust concentration generated during the preparation of each batch of biomass solidified fuel was obtained. A time-dust concentration curve was plotted based on the dust concentration data, the slope of each time point on the curve was determined, and the mean slope was calculated.

[0074] If the average slope is less than or equal to the preset average slope standard threshold, the preparation of the current batch of biomass solidified fuel is determined to meet the standard, and the input amount of agricultural waste raw materials in the single biomass solidified fuel preparation process is adjusted based on the average slope.

[0075] If the average slope is greater than the preset average slope standard threshold, it is determined that the preparation of the current batch of biomass solidified fuel does not meet the standard, and it is determined that too much dust is generated during the preparation of biomass solidified fuel.

[0076] Specifically, in this embodiment, the preset average slope standard threshold is obtained by pre-determining. The concentration data of dust generated during the drying process in the preparation of biomass solidified fuel under several qualified conditions are obtained, a time-concentration curve is plotted, the slope of each time node in the image is solved, and the average slope is solved. The preset average slope standard threshold is 0.95 to 1.2 times the average slope.

[0077] This invention takes into account that a large number of fine particles are generated during the drying and crushing of waste raw materials. These particles easily form dust when air flows. This invention collects the dust generated during the drying process and detects the dust concentration. Based on the dust concentration analysis, the integrity of the prepared biomass solidified fuel is assessed, thereby evaluating the quality of the prepared biomass solidified fuel and the safety of the biomass solidified fuel preparation process. This invention obtains the dust concentration generated during the drying process of each batch of biomass solidified fuel preparation, and then analyzes the preparation status of biomass solidified fuel based on the changes in dust concentration. It provides timely warnings when the dust concentration gradually increases and adjusts the preparation parameters in a timely manner, thereby further reducing the amount of dust generated and improving the safety of the preparation process.

[0078] Specifically, under the condition that excessive dust is generated during the preparation of biomass solidified fuel, the rotation speed of the drying equipment during the drying process of agricultural waste raw materials is adjusted based on the mean slope value, wherein the increase in rotation speed is positively correlated with the mean slope value.

[0079] In this invention, dust concentration data generated during the preparation of each batch of biomass solidified fuel is obtained. A curve is plotted based on the dust concentration data to determine the changes in dust concentration. The changes in dust concentration are then analyzed to determine whether the fuel preparation process is qualified. When the slope of the curve is large, considering that the drying time of the waste raw materials is too long during the drying process, resulting in insufficient moisture content in the raw materials and thus increasing the amount of dust generated, the rotation speed of the rotary dryer is increased to shorten the residence time of the raw materials in the dryer, thereby shortening the drying time and avoiding excessive moisture loss from the raw materials, thereby reducing the amount of dust generated.

[0080] In this embodiment, optionally,

[0081] The mean slope is compared with the first preset mean slope standard threshold and the second preset mean slope standard threshold.

[0082] If the average slope is less than or equal to the first preset average slope standard threshold, then the first rotation rate is increased, and the first rotation rate is 0.1 times the initial rotation rate;

[0083] If the average slope is greater than the first preset average slope standard threshold and less than or equal to the second preset average slope standard threshold, then the second rotation rate is increased, and the second rotation rate is 0.15 times the initial rotation rate.

[0084] If the average slope is greater than the second preset average slope standard threshold, then the third rotation rate is increased, and the third rotation rate is 0.2 times the initial rotation rate;

[0085] The first preset average slope standard threshold is 1.15 times the preset average slope standard threshold, and the second preset average slope standard threshold is 1.2 times the preset average slope standard threshold.

[0086] Specifically, in step S3, the analysis of the reasons why the preparation of the current batch of biomass solidified fuel does not meet the standards based on the proportion of labeled tertiary fuel quantities includes:

[0087] If the proportion of the third-level fuel is less than or equal to the first preset proportion of the third-level fuel, the reason why the preparation of the current batch of biomass solidified fuel does not meet the standard is that the agricultural waste raw materials are not crushed sufficiently.

[0088] If the proportion of tertiary fuel is greater than the first preset proportion of tertiary fuel and less than or equal to the second preset proportion of tertiary fuel, then the reason why the preparation of the current batch of biomass solidified fuel does not meet the standard is that the agricultural waste raw materials are not mixed evenly.

[0089] If the proportion of tertiary fuel is greater than the second preset proportion of tertiary fuel, then the reason why the preparation of the current batch of biomass solidified fuel does not meet the standard is that the biomass binder is insufficient.

[0090] Specifically, in this embodiment, the first preset three-stage fuel ratio is selected between the range [0.05, 0.1], and the second preset three-stage fuel ratio is selected between the range [0.15, 0.18].

[0091] Specifically, under the condition that the agricultural waste raw material is not sufficiently crushed, the difference between the first preset fuel ratio and the quantity ratio of the third-level fuel is calculated, and the crushing time in the preparation process of the next batch of biomass solidified fuel is adjusted based on the difference. The increase in crushing time is negatively correlated with the difference.

[0092] In this embodiment, optionally,

[0093] The difference is compared with the first preset difference and the second preset difference.

[0094] If the difference is less than or equal to the first preset difference, the first crushing processing time is increased, and the first crushing processing time is 0.1 times the initial crushing processing time.

[0095] If the difference is greater than the first preset difference and less than or equal to the second preset difference, the second crushing processing time is increased, and the second crushing processing time is 0.2 times the initial crushing processing time.

[0096] If the difference is greater than the second preset difference, the third crushing processing time is increased, and the third crushing processing time is 0.25 times the initial crushing processing time.

[0097] The first preset difference is 0.2 times the first preset fuel ratio, and the second preset difference is 0.3 times the first preset fuel ratio.

[0098] Specifically, under the condition that the agricultural waste raw materials are unevenly mixed, the agricultural waste raw materials after crushing and processing during the preparation of the next batch of biomass solidified fuel are stirred. The variance of the matching degree of each of the three fuels in the current batch of biomass solidified fuel is calculated, and the stirring frequency of the mixer is determined based on the variance. The stirring frequency is positively correlated with the variance.

[0099] In this embodiment, optionally,

[0100] The variance is compared with the first preset variance and the second preset variance.

[0101] If the variance is less than or equal to the first preset variance, then the mixing frequency of the mixer is determined to be the first mixing frequency.

[0102] If the variance is greater than the first preset variance and less than or equal to the second preset variance, then the mixing frequency of the mixer is determined to be the second mixing frequency.

[0103] If the variance is greater than the second preset variance, then the mixing frequency of the mixer is determined to be the third mixing frequency;

[0104] The first preset variance and the second preset variance are obtained by preset measurement. Data of several qualified batches of biomass solidified fuel are obtained, and the variance of the matching degree of the three-stage fuel produced in a single batch is calculated. The mean variance of each batch is solved. The first preset variance is 1.05 to 1.1 times the mean variance, and the second preset variance is 0.15 to 1.2 times the mean variance.

[0105] Specifically, under the condition that the biomass binder is insufficient, the average matching degree of each of the three fuels in the current batch of biomass solidified fuel is calculated, and the amount of biomass binder added in the preparation process of the next batch of biomass solidified fuel is adjusted based on the average matching degree. The increase in the amount of additive is negatively correlated with the average matching degree.

[0106] In this embodiment, optionally,

[0107] The average matching score is compared with the first preset average matching score and the second preset average matching score.

[0108] If the average matching degree is less than or equal to the first preset average matching degree, the first dose is increased to 0.25 times the initial additive dosage.

[0109] If the average matching degree is greater than the first preset average matching degree and less than or equal to the second preset average matching degree, then the second dose is increased, and the second dose is 0.2 times the initial additive dosage.

[0110] If the average matching degree is greater than the second preset average matching degree, then increase the third dose, which is 0.1 times the initial additive dosage;

[0111] The first preset matching degree mean and the second preset matching degree mean are obtained by pre-determination. Data of several qualified batches of biomass solidified fuel are obtained, and the matching degree mean of the three-stage fuel is calculated. The first preset matching degree mean is 0.75 to 0.8 times the matching degree mean, and the second preset matching degree mean is 0.85 to 0.9 times the matching degree mean.

[0112] Specifically, in step S4, the next batch of prepared biomass solidified fuel is marked, and the quantity of each type of fuel is counted.

[0113] If the proportion of the recalculated primary fuel quantity is greater than or equal to the first preset primary fuel proportion, then the preparation of this batch of biomass solidified fuel is deemed to meet the standard.

[0114] If the recalculated percentage of primary fuel is less than the first preset percentage of primary fuel, then the preparation of this batch of biomass solidified fuel is deemed non-compliant with standards. The ratio of secondary fuel to tertiary fuel is then calculated, and the pressure of the molding equipment is adjusted based on this ratio.

[0115] Among them, the reduction in pressure of the molding equipment is negatively correlated with the quantity ratio.

[0116] In this embodiment, optionally,

[0117] The quantity ratio is compared with the first preset quantity ratio and the second preset quantity ratio.

[0118] If the quantity ratio is less than or equal to the first preset quantity ratio, then the first pressure is reduced to 0.1 times the initial pressure;

[0119] If the quantity ratio is greater than the first preset quantity ratio and less than or equal to the second preset quantity ratio, then the second pressure is reduced to 0.08 times the initial pressure.

[0120] If the quantity ratio is greater than the second preset quantity ratio, then the third pressure is reduced to 0.06 times the initial pressure;

[0121] The first preset quantity ratio is 0.2, and the second preset quantity ratio is 0.4.

[0122] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the scope of protection of the present invention.

[0123] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. An intelligent assessment method for the resource utilization of agricultural waste, characterized in that, include: Step S1: Clean the agricultural waste raw materials, feed the cleaned agricultural waste raw materials into the crusher for crushing, and dry them after crushing. Collect the dust generated during the drying process, add biomass binder to the agricultural waste raw materials and mix them. Then, transport the mixture to the molding equipment to obtain biomass solid fuel and cool it to form biomass solid fuel. Step S2: Obtain the contour data of the cooled and shaped biomass solidified fuel, and mark each biomass solidified fuel according to the contour data; Step S3: Count the quantity of each type of marked biomass solid fuel, and assess whether the preparation of the current batch of biomass solid fuel meets the standards based on the quantity of fuel, including: If the proportion of primary fuel is greater than or equal to the first preset proportion of primary fuel, then the preparation of the current batch of biomass solidified fuel is deemed to meet the standard. If the proportion of primary fuel is less than the first preset proportion of primary fuel but greater than or equal to the second preset proportion of primary fuel, it is initially determined that the preparation of the current batch of biomass solidified fuel does not meet the standard, and a second determination is made on whether the preparation of the current batch of biomass solidified fuel meets the standard based on the concentration of dust generated during the drying process. If the proportion of primary fuel is less than the second preset proportion of primary fuel, it is determined that the preparation of the current batch of biomass solidified fuel does not meet the standard, and the reasons for the non-compliance of the preparation of the current batch of biomass solidified fuel is analyzed based on the proportion of the number of fuel marked as tertiary fuel. Step S4: Based on the analysis of the reasons why the preparation of the current batch of biomass solidified fuel does not meet the standards, adjust the corresponding parameters in the preparation process of the next batch of biomass solidified fuel to the corresponding values, and prepare the next batch of biomass solidified fuel according to the adjusted parameters. The parameters include: the rotation speed of the drying equipment, the crushing time, the stirring frequency of the mixer, and the amount of biomass binder added.

2. The intelligent assessment method for agricultural waste resource utilization according to claim 1, characterized in that, In step S2, each biomass solidified fuel is marked according to the matching degree between the contour data and the preset contour data, including: The number of identical data points between the stated contour data and the preset contour data is counted to obtain the number of identical data points. The matching degree is obtained by calculating the ratio of the same data volume to the total number of contour data. Based on the matching degree, biomass solid fuel is labeled. The types of labeled biomass solid fuel include: primary fuel, primary fuel and tertiary fuel.

3. The intelligent assessment method for agricultural waste resource utilization according to claim 1, characterized in that, In step S3, a secondary determination is made on whether the preparation of the current batch of biomass solidified fuel meets the standards based on the concentration of dust generated during the drying process, including: Optical sensors are used to detect the scattering of light by dust particles generated during the drying process. The dust concentration is determined based on the scattering data. Historical dust concentration data for each batch of biomass solid fuel preparation is obtained. A time-dust concentration curve is plotted based on this data. The slope of each time point on the curve is determined, and the average slope is calculated. The average slope is then used to analyze whether the preparation of the current batch of biomass solid fuel meets the standards. When determining whether the preparation of the current batch of biomass solid fuel meets the standard, the amount of agricultural waste raw materials input in the single biomass solid fuel preparation process is adjusted based on the average slope value. When it is determined that the preparation of the current batch of biomass solid fuel does not meet the standards, it is determined that too much dust is generated during the preparation of biomass solid fuel.

4. The intelligent assessment method for agricultural waste resource utilization according to claim 3, characterized in that, Under the condition that excessive dust is generated during the preparation of biomass solidified fuel, the rotation speed of the drying equipment during the drying process of agricultural waste raw materials is adjusted based on the mean slope value, wherein the increase in rotation speed is positively correlated with the mean slope value.

5. The intelligent assessment method for agricultural waste resource utilization according to claim 1, characterized in that, In step S3, the reasons why the preparation of the current batch of biomass solidified fuel does not meet the standards are analyzed based on the proportion of the marked tertiary fuel quantity. The reasons include: insufficient crushing of agricultural waste raw materials, uneven mixing of agricultural waste raw materials, and insufficient biomass binder.

6. The intelligent assessment method for agricultural waste resource utilization according to claim 5, characterized in that, Under the condition that the agricultural waste raw material is not sufficiently crushed, the difference between the first preset fuel ratio and the quantity ratio of the third-level fuel is calculated. Based on this difference, the crushing time in the preparation process of the next batch of biomass solidified fuel is adjusted. The increase in crushing time is negatively correlated with the difference.

7. The intelligent assessment method for agricultural waste resource utilization according to claim 5, characterized in that, Under the condition that the agricultural waste raw materials are unevenly mixed, the agricultural waste raw materials after crushing and processing during the preparation of the next batch of biomass solidified fuel are stirred. The variance of the matching degree of each of the three fuels in the current batch of biomass solidified fuel is calculated. Based on the variance, the stirring frequency of the mixer is determined. The stirring frequency is positively correlated with the variance.

8. The intelligent assessment method for agricultural waste resource utilization according to claim 5, characterized in that, Under the condition that the biomass binder is insufficient, the average matching degree of each of the three fuels in the current batch of biomass solidified fuel is calculated. Based on the average matching degree, the amount of biomass binder added in the preparation process of the next batch of biomass solidified fuel is adjusted. The increase in the amount of additive is negatively correlated with the average matching degree.

9. The intelligent assessment method for agricultural waste resource utilization according to claim 1, characterized in that, In step S4, the next batch of prepared biomass solidified fuel is marked, and the quantity of each type of fuel is counted. When determining that the preparation of a batch of biomass solid fuel does not meet the standard based on the quantity of primary fuel, the quantity ratio of secondary fuel to tertiary fuel is calculated, and the pressure of the molding equipment is adjusted based on this ratio. Among them, the reduction in pressure of the molding equipment is negatively correlated with the quantity ratio.

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