Coke modifier for improving thermal strength of coke and preparation method thereof
Through precise weighing, crushing and stirring treatment methods, combined with high-pressure homogenization and computer monitoring, the problem of low thermal strength caused by the simple preparation process of traditional coke modified agents is solved, and efficient and stable production of coke modified agents is achieved. Improves the thermal strength and production efficiency of coke.
Patent Information
- Application Number
- CN202411569000.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2024-12-20
AI Technical Summary
The preparation process of traditional coke modified agents is simple and rough, and lacks automatic control, resulting in low thermal strength of coke and may cause environmental pollution.
The raw materials are accurately weighed by high-precision electronic scales, and after crushing and sieving, stirring and heat dissolution in a stainless steel reactor. The plunger-type high-pressure homogenizer is used to process it, combining temperature and stirring speed monitoring to ensure uniformity and stability. Real-time analysis and adjustment through the computer data acquisition system, and finally cooling and quality inspection are carried out.
The quality and stability of coke modified agents are improved, product consistency and reliability are ensured, the occurrence rate of unqualified products is reduced, and an efficient production process is formed, which improves the thermal strength and production efficiency of coke.
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of coke modifiers, in particular to a coke modifier for improving the thermal strength of coke and a preparation method thereof. Background Art
[0002] Current coke modifiers are usually composed of a variety of inorganic and organic compounds, which react with coke during coke pyrolysis or blast furnace smelting to improve the physical and chemical properties of coke.
[0003] The composition of traditional coke modifiers is often complex, and the proportions and interaction mechanisms between the components are unclear. This makes it difficult to accurately control the effects of the modifiers in practical applications, and the mutual interference between the components affects the improvement of coke quality. The preparation process of traditional coke modifiers is relatively simple and rough, lacking advanced automated control equipment and technical support. At the same time, harmful substances may be produced during production and use, causing pollution to the environment, which not only increases environmental protection costs, but also has long-term negative impacts on the ecological environment.
[0004] Therefore, in view of the problem that the process part of the above-mentioned traditional coke modifiers is relatively simple and rough, lacks advanced automatic control equipment and technical support, resulting in low thermal strength of coke, a coke modifier that can improve the thermal strength of coke can be designed. Summary of the invention
[0005] In order to overcome the problem that the process of traditional coke modifiers is relatively simple and rough, and lacks advanced automated control equipment and technical support, resulting in low thermal strength of coke.
[0006] The technical scheme of the present invention is: a coke modifier for improving the thermal strength of coke comprises the following components by mass percentage: 40-65% of boric acid, 15-45% of polyvinyl alcohol, 0-15% of cellulose, 0-20% of starch and 0-16% of sorbitol.
[0007] Preferably, the composition comprises the following components, calculated by mass percentage: 53% boric acid, 25% polyvinyl alcohol, 7.5% cellulose, 10% starch, and 8% sorbitol.
[0008] A method for preparing a coke modifier for improving the thermal strength of coke comprises the coke modifier for improving the thermal strength of coke as described above, and the steps are as follows:
[0009] Step 1: Raw material preparation
[0010] Use a high-precision electronic scale to accurately weigh boric acid, polyvinyl alcohol, cellulose, starch and sorbitol according to the formula ratio;
[0011] Step 2: Raw material pretreatment
[0012] Using a pulverizer to crush or grind the soluble raw materials to improve their dissolution speed and uniformity, the soluble raw materials include polyvinyl alcohol, cellulose, starch and sorbitol, and using a sifter to sieve the insoluble raw materials to ensure that there are no impurities and no agglomerates, the insoluble raw materials include boric acid;
[0013] Step 3: Preliminary mixing
[0014] The pretreated soluble raw materials are added into a stainless steel reactor, and an appropriate amount of deionized water or other solvents are added, other solvents include ethanol and methanol, and the ratio of the raw material mass to the solvent mass is 1:5-10, and then the agitator is turned on to stir the raw materials, and at the same time, a heating device is used to heat the raw materials to between 50 and 100° C. to promote the dissolution of the raw materials;
[0015] Step 4: Data monitoring and processing
[0016] During the operation of the above equipment, the temperature and stirring speed in the stainless steel reactor are monitored in real time using temperature sensors and stirring speed sensors. The data are recorded and analyzed in real time through a computer data acquisition system to ensure that the dissolution process is carried out within the set parameter range. When abnormal data occurs, the computer will automatically alarm and prompt the operator to make adjustments.
[0017] Step 5: Stir again
[0018] After the soluble raw material is completely dissolved, slowly add the insoluble raw material and continue stirring to make the insoluble raw material evenly dispersed in the solution;
[0019] Step 6: Homogenization
[0020] Use a plunger-type high-pressure homogenizer or a centrifugal high-pressure homogenizer to homogenize the above mixture to improve the overall uniformity and stability of the product. During the homogenization process, a computer data acquisition system is also required to monitor various parameters of the homogenizer;
[0021] Step 7: Cooling and solidification
[0022] The mixture after the reaction is placed in a cooling device for cooling to reduce its temperature and gradually solidify it. During the cooling process, a stirrer is used to stir and mix the mixture to prevent the mixture from stratification or agglomeration. At the same time, a temperature sensor is used to monitor the temperature change during the cooling process in real time, and a computer data acquisition system is used to record and analyze these data to ensure that the cooling temperature is normal;
[0023] Step 8: Packaging
[0024] The solidified coke modifier is packaged using a pneumatic baler or an electric baler to ensure that the package is sealed, moisture-proof and pollution-proof;
[0025] Step 9: Quality Inspection
[0026] The packaged products are sent to the quality inspection department for inspection, including the inspection of appearance, performance and ingredient indicators. The quality inspection department can use computer-controlled testing equipment for precise inspection. The testing equipment includes chromatographs, spectrometers and electron microscopes. The test data will be automatically uploaded to the computer database for analysis, processing and comparison to adjust the corresponding data to reduce the occurrence rate of unqualified products next time. At the same time, the data will be displayed on the display screen for user operation. After passing the quality inspection, the qualified products will be stored in the warehouse and wait for sale or use.
[0027] Preferably, the pulverizer in step 2 can be a hammer pulverizer or a jet pulverizer, and the sieving machine can be a vibrating screen or an ultrasonic sieving machine.
[0028] Preferably, the agitator in step three can be an anchor agitator or a turbine agitator, and the stirring speed thereof is between 100 and 300 rpm. The heating device can be a steam heater or an electric heater.
[0029] Preferably, the temperature sensor in step 4 may be a platinum resistance temperature sensor or a thermocouple sensor.
[0030] Preferably, the computer data acquisition system in step 4 may adopt a PLC control system or a DCS control system.
[0031] Preferably, the pressure range of the plunger-type high-pressure homogenizer or the centrifugal high-pressure homogenizer in step six is between 80 and 140 MPa, and the flow rate range is between 5 and 60 L / min.
[0032] Preferably, the cooling device in step seven adopts a water-cooled heat exchanger or an air-cooled heat exchanger.
[0033] The beneficial effects of the present invention are as follows: the coke modifier uses a high-precision electronic scale to weigh the raw materials during the preparation process, ensuring the accurate proportion of each component, thereby improving the quality and stability of the product; crushing or grinding the soluble raw materials, and using an appropriate amount of solvent and heating device to promote the rapid dissolution of the raw materials, thereby improving the production efficiency; and using a plunger-type high-pressure homogenizer or a centrifugal high-pressure homogenizer to homogenize the mixture, thereby significantly improving the uniformity and stability of the product, ensuring the consistency of product quality; and simultaneously using a temperature sensor and a stirring speed sensor for real-time monitoring, as well as a computer data acquisition system for recording and analysis, can timely discover and adjust abnormal conditions in the reaction process, thereby ensuring The reaction is carried out within the set parameter range, which improves the stability and reliability of the product. During the cooling process, the coordinated use of the agitator and the temperature sensor effectively prevents the mixture from stratifying or agglomerating, so that the product has a good solidification effect. Precise testing through computer-controlled testing equipment can comprehensively and accurately evaluate the appearance, performance and composition indicators of the product, thereby improving the efficiency and accuracy of quality inspection. At the same time, the automatic uploading and analysis and processing of test data helps to adjust production parameters in a timely manner and reduce the occurrence rate of defective products. The entire preparation process, from raw material preparation to quality inspection and warehousing, is closely linked and coordinated with each other, forming a complete and efficient production process and improving production efficiency and product quality. DETAILED DESCRIPTION
[0034] Example 1
[0035] The present invention will be further described below in conjunction with the embodiments.
[0036] The present invention provides an embodiment: a coke modifier for improving the thermal strength of coke comprises the following components by mass percentage: 40% boric acid and 15% polyvinyl alcohol.
[0037] A method for preparing a coke modifier for improving the thermal strength of coke comprises the coke modifier for improving the thermal strength of coke as described above, and the steps are as follows:
[0038] Step 1: Raw material preparation
[0039] Use a high-precision electronic scale to accurately weigh boric acid and polyvinyl alcohol according to the formula ratio;
[0040] Step 2: Raw material pretreatment
[0041] A pulverizer is used to pulverize or grind the soluble raw materials to improve their dissolution speed and uniformity. The soluble raw materials include polyvinyl alcohol. A sieving machine is used to sieve the insoluble raw materials to ensure that there are no impurities and no agglomerates. The insoluble raw materials include boric acid. The pulverizer can be a hammer mill or a jet mill. The sieving machine can be a vibrating screen or an ultrasonic sieving machine.
[0042] Step 3: Preliminary mixing
[0043] The pretreated soluble raw materials are added to a stainless steel reactor, and an appropriate amount of deionized water or other solvents are added, other solvents include ethanol and methanol, and the ratio of the raw material mass to the solvent mass is 1:5-10, and then the agitator is turned on to stir the raw materials, and at the same time, a heating device is used to heat the raw materials to between 50 and 100° C. to promote the dissolution of the raw materials. The agitator can specifically be an anchor agitator or a turbine agitator, and the stirring speed is between 100 and 300 rpm. The heating device can specifically be a steam heater or an electric heater;
[0044] Step 4: Data monitoring and processing
[0045] During the operation of the above equipment, a temperature sensor and a stirring speed sensor are used to monitor the temperature and stirring speed in the stainless steel reactor in real time, and these data are recorded and analyzed in real time through a computer data acquisition system to ensure that the dissolution process is carried out within the set parameter range. When abnormal data occurs, the computer will automatically alarm and prompt the operator to make adjustments. The temperature sensor can specifically be a platinum resistance temperature sensor or a thermocouple sensor, and the computer data acquisition system can adopt a PLC control system or a DCS control system;
[0046] Step 5: Stir again
[0047] After the soluble raw material is completely dissolved, slowly add the insoluble raw material and continue stirring to make the insoluble raw material evenly dispersed in the solution;
[0048] Step 6: Homogenization
[0049] Use a plunger-type high-pressure homogenizer or a centrifugal high-pressure homogenizer to homogenize the above mixture to improve the overall uniformity and stability of the product. During the homogenization process, a computer data acquisition system is also required to monitor various parameters of the homogenizer. The pressure range of the plunger-type high-pressure homogenizer or the centrifugal high-pressure homogenizer is between 80 and 140 MPa, and the flow range is between 5 and 60 L / min;
[0050] Step 7: Cooling and solidification
[0051] The mixture after the reaction is placed in a cooling device for cooling treatment to reduce its temperature and gradually solidify it. During the cooling process, a stirrer is used to stir and mix the mixture to prevent the mixture from stratification or agglomeration. At the same time, a temperature sensor is used to monitor the temperature change during the cooling process in real time, and a computer data acquisition system is used to record and analyze these data to ensure that the cooling temperature is normal. The cooling device uses a water-cooled heat exchanger or an air-cooled heat exchanger;
[0052] Step 8: Packaging
[0053] The solidified coke modifier is packaged using a pneumatic baler or an electric baler to ensure that the package is sealed, moisture-proof and pollution-proof;
[0054] Step 9: Quality Inspection
[0055] The packaged products are sent to the quality inspection department for inspection, including the inspection of appearance, performance and ingredient indicators. The quality inspection department can use computer-controlled testing equipment for precise inspection. The testing equipment includes chromatographs, spectrometers and electron microscopes. The test data will be automatically uploaded to the computer database for analysis, processing and comparison to adjust the corresponding data to reduce the occurrence rate of unqualified products next time. At the same time, the data will be displayed on the display screen for user operation. After passing the quality inspection, the qualified products will be stored in the warehouse and wait for sale or use.
[0056] Example 2
[0057] The present invention will be further described below in conjunction with the embodiments.
[0058] The present invention provides an embodiment: a coke modifier for improving the thermal strength of coke comprises the following components by mass percentage: 53% boric acid, 25% polyvinyl alcohol, 7.5% cellulose, 10% starch and 8% sorbitol.
[0059] A method for preparing a coke modifier for improving the thermal strength of coke comprises the coke modifier for improving the thermal strength of coke as described above, and the steps are as follows:
[0060] Step 1: Raw material preparation
[0061] Use a high-precision electronic scale to accurately weigh boric acid, polyvinyl alcohol, cellulose, starch and sorbitol according to the formula ratio;
[0062] Step 2: Raw material pretreatment
[0063] A pulverizer is used to pulverize or grind the soluble raw materials to improve their dissolution speed and uniformity. The soluble raw materials include polyvinyl alcohol, cellulose, starch and sorbitol. At the same time, a sieving machine is used to sieve the insoluble raw materials to ensure that there are no impurities and no lumps. The insoluble raw materials include boric acid. The pulverizer can be a hammer mill or a jet mill. The sieving machine can be a vibrating screen or an ultrasonic sieving machine.
[0064] Step 3: Preliminary mixing
[0065] The pretreated soluble raw materials are added to a stainless steel reactor, and an appropriate amount of deionized water or other solvents are added, other solvents include ethanol and methanol, and the ratio of the raw material mass to the solvent mass is 1:5-10, and then the agitator is turned on to stir the raw materials, and at the same time, a heating device is used to heat the raw materials to between 50 and 100° C. to promote the dissolution of the raw materials. The agitator can specifically be an anchor agitator or a turbine agitator, and the stirring speed is between 100 and 300 rpm. The heating device can specifically be a steam heater or an electric heater;
[0066] Step 4: Data monitoring and processing
[0067] During the operation of the above equipment, a temperature sensor and a stirring speed sensor are used to monitor the temperature and stirring speed in the stainless steel reactor in real time, and these data are recorded and analyzed in real time through a computer data acquisition system to ensure that the dissolution process is carried out within the set parameter range. When abnormal data occurs, the computer will automatically alarm and prompt the operator to make adjustments. The temperature sensor can specifically be a platinum resistance temperature sensor or a thermocouple sensor, and the computer data acquisition system can adopt a PLC control system or a DCS control system;
[0068] Step 5: Stir again
[0069] After the soluble raw material is completely dissolved, slowly add the insoluble raw material and continue stirring to make the insoluble raw material evenly dispersed in the solution;
[0070] Step 6: Homogenization
[0071] Use a plunger-type high-pressure homogenizer or a centrifugal high-pressure homogenizer to homogenize the above mixture to improve the overall uniformity and stability of the product. During the homogenization process, a computer data acquisition system is also required to monitor various parameters of the homogenizer. The pressure range of the plunger-type high-pressure homogenizer or the centrifugal high-pressure homogenizer is between 80 and 140 MPa, and the flow range is between 5 and 60 L / min;
[0072] Step 7: Cooling and solidification
[0073] The mixture after the reaction is placed in a cooling device for cooling treatment to reduce its temperature and gradually solidify it. During the cooling process, a stirrer is used to stir and mix the mixture to prevent the mixture from stratification or agglomeration. At the same time, a temperature sensor is used to monitor the temperature change during the cooling process in real time, and a computer data acquisition system is used to record and analyze these data to ensure that the cooling temperature is normal. The cooling device uses a water-cooled heat exchanger or an air-cooled heat exchanger;
[0074] Step 8: Packaging
[0075] The solidified coke modifier is packaged using a pneumatic baler or an electric baler to ensure that the package is sealed, moisture-proof and pollution-proof;
[0076] Step 9: Quality Inspection
[0077] The packaged products are sent to the quality inspection department for inspection, including the inspection of appearance, performance and ingredient indicators. The quality inspection department can use computer-controlled testing equipment for precise inspection. The testing equipment includes chromatographs, spectrometers and electron microscopes. The test data will be automatically uploaded to the computer database for analysis, processing and comparison to adjust the corresponding data to reduce the occurrence rate of unqualified products next time. At the same time, the data will be displayed on the display screen for user operation. After passing the quality inspection, the qualified products will be stored in the warehouse and wait for sale or use.
[0078] Example 3
[0079] The present invention will be further described below in conjunction with the embodiments.
[0080] The present invention provides an embodiment: a coke modifier for improving the thermal strength of coke comprises the following components by mass percentage: 65% boric acid, 45% polyvinyl alcohol, 15% cellulose, 20% starch and 16% sorbitol.
[0081] A method for preparing a coke modifier for improving the thermal strength of coke comprises the coke modifier for improving the thermal strength of coke as described above, and the steps are as follows:
[0082] Step 1: Raw material preparation
[0083] Use a high-precision electronic scale to accurately weigh boric acid, polyvinyl alcohol, cellulose, starch and sorbitol according to the formula ratio;
[0084] Step 2: Raw material pretreatment
[0085] A pulverizer is used to pulverize or grind the soluble raw materials to improve their dissolution speed and uniformity. The soluble raw materials include polyvinyl alcohol, cellulose, starch and sorbitol. At the same time, a sieving machine is used to sieve the insoluble raw materials to ensure that there are no impurities and no lumps. The insoluble raw materials include boric acid. The pulverizer can be a hammer mill or a jet mill. The sieving machine can be a vibrating screen or an ultrasonic sieving machine.
[0086] Step 3: Preliminary mixing
[0087] The pretreated soluble raw materials are added to a stainless steel reactor, and an appropriate amount of deionized water or other solvents are added, other solvents include ethanol and methanol, and the ratio of the raw material mass to the solvent mass is 1:5-10, and then the agitator is turned on to stir the raw materials, and at the same time, a heating device is used to heat the raw materials to between 50 and 100° C. to promote the dissolution of the raw materials. The agitator can specifically be an anchor agitator or a turbine agitator, and the stirring speed is between 100 and 300 rpm. The heating device can specifically be a steam heater or an electric heater;
[0088] Step 4: Data monitoring and processing
[0089] During the operation of the above equipment, a temperature sensor and a stirring speed sensor are used to monitor the temperature and stirring speed in the stainless steel reactor in real time, and these data are recorded and analyzed in real time through a computer data acquisition system to ensure that the dissolution process is carried out within the set parameter range. When abnormal data occurs, the computer will automatically alarm and prompt the operator to make adjustments. The temperature sensor can specifically be a platinum resistance temperature sensor or a thermocouple sensor, and the computer data acquisition system can adopt a PLC control system or a DCS control system;
[0090] Step 5: Stir again
[0091] After the soluble raw material is completely dissolved, slowly add the insoluble raw material and continue stirring to make the insoluble raw material evenly dispersed in the solution;
[0092] Step 6: Homogenization
[0093] Use a plunger-type high-pressure homogenizer or a centrifugal high-pressure homogenizer to homogenize the above mixture to improve the overall uniformity and stability of the product. During the homogenization process, a computer data acquisition system is also required to monitor various parameters of the homogenizer. The pressure range of the plunger-type high-pressure homogenizer or the centrifugal high-pressure homogenizer is between 80 and 140 MPa, and the flow range is between 5 and 60 L / min;
[0094] Step 7: Cooling and solidification
[0095] The mixture after the reaction is placed in a cooling device for cooling treatment to reduce its temperature and gradually solidify it. During the cooling process, a stirrer is used to stir and mix the mixture to prevent the mixture from stratification or agglomeration. At the same time, a temperature sensor is used to monitor the temperature change during the cooling process in real time, and a computer data acquisition system is used to record and analyze these data to ensure that the cooling temperature is normal. The cooling device uses a water-cooled heat exchanger or an air-cooled heat exchanger;
[0096] Step 8: Packaging
[0097] The solidified coke modifier is packaged using a pneumatic baler or an electric baler to ensure that the package is sealed, moisture-proof and pollution-proof;
[0098] Step 9: Quality Inspection
[0099] The packaged products are sent to the quality inspection department for inspection, including the inspection of appearance, performance and ingredient indicators. The quality inspection department can use computer-controlled testing equipment for precise inspection. The testing equipment includes chromatographs, spectrometers and electron microscopes. The test data will be automatically uploaded to the computer database for analysis, processing and comparison to adjust the corresponding data to reduce the occurrence rate of unqualified products next time. At the same time, the data will be displayed on the display screen for user operation. After passing the quality inspection, the qualified products will be stored in the warehouse and wait for sale or use.
[0100] Experimental Example 1
[0101] The coke modifier of the present invention and the traditional coke modifier are divided into two groups, wherein the traditional coke modifier is used as the comparison group 1, and they are sprayed on the surface of the experimental coke, and then the thermal strength of the coke is measured. After using the coke modifier of the present invention, the thermal strength of the coke is significantly improved. Compared with the comparison group 1, the improvement of the coke modifier of the present invention can reach 5 to 10 percentage points.
[0102] Experimental Example 2
[0103] The coke modifier of the present invention and the traditional coke modifier are divided into two groups, wherein the traditional coke modifier is used as the comparison group 2, and is sprayed on the surface of the experimental coke in the experiment. The experimental coke is placed in a high temperature environment and reacts with gases such as carbon dioxide to measure the reactivity of the coke. After using the coke modifier of the present invention, the reactivity of the experimental coke is significantly reduced, and compared with the comparison group 2, the reduction can reach 3 to 5 percentage points.
Claims
1. A coke modifier for improving the thermal strength of coke, characterized in that: The invention comprises the following components in percentage by mass: 40-65% of boric acid, 15-45% of polyvinyl alcohol, 0-15% of cellulose, 0-20% of starch and 0-16% of sorbitol.
2. The coke modifier for improving the thermal strength of coke according to claim 1, characterized in that: Calculated by mass percentage, the composition includes: 53% boric acid, 25% polyvinyl alcohol, 7.5% cellulose, 10% starch and 8% sorbitol.
3. A method for preparing a coke modifier for improving the thermal strength of coke, characterized in that The coke modifier for improving the thermal strength of coke according to claim 2 comprises the following steps: Step 1: Raw material preparation Use a high-precision electronic scale to accurately weigh boric acid, polyvinyl alcohol, cellulose, starch and sorbitol according to the formula ratio; Step 2: Raw material pretreatment Using a pulverizer to crush or grind the soluble raw materials to improve their dissolution speed and uniformity, the soluble raw materials include polyvinyl alcohol, cellulose, starch and sorbitol, and using a sifter to sieve the insoluble raw materials to ensure that there are no impurities and no agglomerates, the insoluble raw materials include boric acid; Step 3: Preliminary mixing The pretreated soluble raw materials are added into a stainless steel reactor, and an appropriate amount of deionized water or other solvents are added, other solvents include ethanol and methanol, and the ratio of the raw material mass to the solvent mass is 1:5-10, and then the agitator is turned on to stir the raw materials, and at the same time, a heating device is used to heat the raw materials to between 50 and 100° C. to promote the dissolution of the raw materials; Step 4: Data monitoring and processing During the operation of the above equipment, the temperature and stirring speed in the stainless steel reactor are monitored in real time using temperature sensors and stirring speed sensors. The data are recorded and analyzed in real time through a computer data acquisition system to ensure that the dissolution process is carried out within the set parameter range. When abnormal data occurs, the computer will automatically alarm and prompt the operator to make adjustments. Step 5: Stir again After the soluble raw material is completely dissolved, slowly add the insoluble raw material and continue stirring to make the insoluble raw material evenly dispersed in the solution; Step 6: Homogenization Use a plunger-type high-pressure homogenizer or a centrifugal high-pressure homogenizer to homogenize the above mixture to improve the overall uniformity and stability of the product. During the homogenization process, a computer data acquisition system is also required to monitor various parameters of the homogenizer; Step 7: Cooling and solidification The mixture after the reaction is placed in a cooling device for cooling to reduce its temperature and gradually solidify it. During the cooling process, a stirrer is used to stir and mix the mixture to prevent the mixture from stratification or agglomeration. At the same time, a temperature sensor is used to monitor the temperature change during the cooling process in real time, and a computer data acquisition system is used to record and analyze these data to ensure that the cooling temperature is normal; Step 8: Packaging The solidified coke modifier is packaged using a pneumatic baler or an electric baler to ensure that the package is sealed, moisture-proof and pollution-proof; Step 9: Quality Inspection The packaged products are sent to the quality inspection department for inspection, including the inspection of appearance, performance and ingredient indicators. The quality inspection department can use computer-controlled testing equipment for precise inspection. The testing equipment includes chromatographs, spectrometers and electron microscopes. The test data will be automatically uploaded to the computer database for analysis, processing and comparison to adjust the corresponding data to reduce the occurrence rate of unqualified products next time. At the same time, the data will be displayed on the display screen for user operation. After passing the quality inspection, the qualified products will be stored in the warehouse and wait for sale or use.
4. The method for preparing a coke modifier for improving the thermal strength of coke according to claim 3, characterized in that: The pulverizer in step 2 can specifically be a hammer pulverizer or a jet pulverizer, and the sieving machine can specifically be a vibrating screen or an ultrasonic sieving machine.
5. The method for preparing a coke modifier for improving the thermal strength of coke according to claim 3, characterized in that: The agitator in step three can specifically be an anchor agitator or a turbine agitator, and its stirring speed is between 100 and 300 rpm. The heating device can specifically be a steam heater or an electric heater.
6. The method for preparing a coke modifier for improving the thermal strength of coke according to claim 3, characterized in that: The temperature sensor in step 4 may specifically be a platinum resistance temperature sensor or a thermocouple sensor.
7. The method for preparing a coke modifier for improving the thermal strength of coke according to claim 3, characterized in that: The computer data acquisition system in step 4 can adopt a PLC control system or a DCS control system.
8. The method for preparing a coke modifier for improving the thermal strength of coke according to claim 3, characterized in that: In step six, the pressure range of the plunger-type high-pressure homogenizer or the centrifugal high-pressure homogenizer is between 80 and 140 MPa, and the flow rate range is between 5 and 60 L / min.
9. The method for preparing a coke modifier for improving the thermal strength of coke according to claim 3, characterized in that: In step seven, the cooling device adopts a water-cooled heat exchanger or an air-cooled heat exchanger.
