A cold core sand mixing pre-treatment system and an intelligent temperature control method thereof

Abstract

The application relates to the technical field of cold core sand processing, and discloses a cold core sand mixing pretreatment system and an intelligent temperature control method thereof. The system comprises a weighing module connected with a sand bin, wherein the weighing module is used for obtaining core sand according to a received weight instruction. A boiler stores the core sand and is connected with a heat exchange module and a hot air module, wherein the heat exchange module and the hot air module are used for adjusting the core sand temperature of the boiler. A first temperature detection module is used for detecting the internal temperature of the core sand and the boiler, and a second temperature detection module is used for detecting the circulating water temperature in the heat exchange module. A central control module is used for determining an output temperature according to the core sand temperature and a preset temperature, and the central control module is also used for optimizing the output power according to the internal temperature of the boiler and the core sand weight. Through the cooperative work of the modules, intelligent management of the cold core sand mixing pretreatment process is effectively realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cold core sand processing, in particular to a cold core sand pre-mixing treatment system and an intelligent temperature control method thereof. BACKGROUND

[0002] Cold core sand, as a kind of sand material specially used in cold box process, can be solidified and formed at room temperature after specific resin and hardener composite treatment. In the cold box process, with the catalytic action of triethylamine gas, the material can be rapidly hardened into a sand core with the required shape and strength, so it is widely used in the production of complex and high-precision sand cores in the casting industry. However, in the northern region of China or in the environment with low temperature, the catalytic time of triethylamine is usually extended to 2 to 3 times of the normal time, which not only reduces the preparation efficiency, but also increases the unnecessary preparation cost.

[0003] At present, in order to solve the problem of prolonged triethylamine catalytic time in low temperature environment, the common strategy in the industry is to raise the temperature of the core sand to ensure the normal progress of the catalytic reaction. By this method, the catalytic time of triethylamine can be effectively shortened, and the solidification effect can be optimized, thus providing a practical solution to the problem caused by the extension of triethylamine catalytic time to 2 to 3 times of the normal production time in the northern region of China in low temperature environment. At the same time, this strategy also significantly reduces the waste defects caused by the non-solidification of the surface of the sand core due to low temperature, thereby improving the overall production efficiency and product quality.

[0004] At present, the technical solution with patent number CN201596748U discloses a hot air boiling sand heater. This heater combines the functions of electric heater and high pressure blower, and through the blowing action, the sand forms a fluid boiling state, and then the hot air flow after heating is used to transfer heat to the sand to achieve heating. Compared with the traditional roasting furnace, this heater shows significant advantages in safety, structural simplicity, operation convenience, management convenience and environmental performance. However, it should be pointed out that this technical solution is not suitable for the pre-treatment and heating process before cold core sand mixing. In addition, due to the lack of direct heating device inside the sand drying boiler, the heating efficiency is relatively low, which is difficult to meet the demand of high efficiency of the sand mixer. Although the electric heating method effectively solves the problem of burning pollution, it also increases the overall energy consumption, thereby putting pressure on the production cost.

[0005] Therefore, it is urgent to invent a cold core sand pre-mixing treatment technology to solve the problem of lack of heating technology in the pre-treatment of cold core sand before mixing, and the problems of low heating efficiency and high cost in existing equipment. SUMMARY

[0006] In view of this, the present application proposes a cold core sand mixing sand pretreatment system and its intelligent temperature control method, aiming to solve the problem of lack of warming technology in the current technology of cold core sand mixing sand pretreatment, and the problem of slow heating efficiency and high cost in the existing equipment.

[0007] The present application proposes a cold core sand mixing sand pretreatment system, comprising:

[0008] The weighing module is connected to the sand bin, wherein the weighing module is provided with an instruction receiving unit, and is used to receive a weight instruction and obtain core sand according to the weight instruction;

[0009] The boiler is connected to the weighing module, and the boiler is used to store the core sand obtained by the weighing module;

[0010] The heat exchange module and the hot air module are respectively connected to the boiler, and the heat exchange module and the hot air module are used to adjust the temperature of the core sand inside the boiler;

[0011] The first temperature detection module is arranged inside the boiler, and is used to detect the temperature of the core sand and the internal temperature of the boiler;

[0012] The second temperature detection module is connected to the heat exchange module, and is used to detect the circulating water temperature inside the heat exchange module;

[0013] The central control module is electrically connected to the weighing module, the heat exchange module, the hot air module, the first temperature detection module and the second temperature detection module, wherein the central control module is provided with a preset temperature, and is used to determine the output temperature of the heat exchange module and the hot air module according to the relationship between the core sand temperature and the preset temperature, and is also used to optimize the output power of the heat exchange module and the hot air module according to the internal temperature of the boiler and the weight of the core sand.

[0014] Further, when the central control module is used to determine the output temperature of the heat exchange module and the hot air module according to the relationship between the core sand temperature and the preset temperature, it comprises:

[0015] The central control module is used to obtain the real-time temperature of the core sand and the real-time temperature inside the boiler, and determine whether to adjust the real-time temperature of the core sand according to the relationship between the real-time temperature of the core sand and the real-time temperature inside the boiler and the preset temperature:

[0016] When the real-time temperature of the core sand is lower than the preset temperature, and the real-time temperature inside the boiler is higher than the preset temperature, the central control module determines not to adjust the real-time temperature of the core sand;

[0017] when the real-time temperature of the core sand is higher than or equal to the preset temperature, and the real-time temperature inside the boiling device is equal to or higher than the preset temperature, the central control module determines not to adjust the real-time temperature of the core sand;

[0018] when the real-time temperature of the core sand and the real-time temperature inside the boiling device are both lower than the preset temperature, the central control module acquires a temperature difference between the real-time temperature of the core sand and the preset temperature, and determines the output temperature of the heat exchange module and the hot air module according to the temperature difference.

[0019] Further, when the central control module acquires a temperature difference between the real-time temperature of the core sand and the preset temperature, and determines the output temperature of the heat exchange module and the hot air module according to the temperature difference, it includes:

[0020] The central control module is configured with a first preset temperature difference and a second preset temperature difference, and the first preset temperature difference is greater than the second preset temperature difference;

[0021] The central control module is further configured to determine the output temperature of the heat exchange module and the hot air module according to the relationship between the temperature difference and each preset temperature difference;

[0022] When the temperature difference is higher than the first preset temperature difference, the central control module determines the output temperature of the heat exchange module and the hot air module as (M3, N3);

[0023] When the temperature difference is lower than or equal to the first preset temperature difference, and the temperature difference is higher than the second preset temperature difference, the central control module determines the output temperature of the heat exchange module and the hot air module as (M2, N2);

[0024] When the temperature difference is lower than or equal to the second preset temperature difference, the central control module determines the output temperature of the heat exchange module and the hot air module as (M1, N1);

[0025] Wherein, M1 < M2 < M3 < 100%, N1 < N2 < N3 < 100%.

[0026] Further, when the central control module further optimizes the output power of the heat exchange module and the hot air module according to the internal temperature of the boiling device and the weight of the core sand, it includes:

[0027] The central control module is further configured to acquire the real-time weight of the core sand, and determine an adjustment coefficient of the output power of the heat exchange module and the hot air module according to the relationship between the real-time weight of the core sand and a preset weight;

[0028] Wherein, the central control module is configured with a first preset weight and a second preset weight, and the first preset weight is lower than the second preset weight.

[0029] When the real-time weight is lower than or equal to the first preset weight, the central control module determines the adjustment coefficient as L1;

[0030] When the real-time weight is higher than the first preset weight and lower than or equal to the second preset weight, the central control module determines the adjustment coefficient as L2;

[0031] When the real-time weight is higher than the second preset weight, the central control module determines the adjustment coefficient as L3;

[0032] And, L1 < L2 < L3 < 1.

[0033] Further, when the central control module determines the adjustment coefficient of the output power of the heat exchange module and the hot air module as Li, i = 1, 2, 3, including:

[0034] The central control module is further configured to obtain a real-time temperature difference between the internal temperature of the boiler and a preset temperature, and determine a correction coefficient of the adjustment coefficient Li of the output power of the heat exchange module and the hot air module according to the relationship between the real-time temperature difference and a preset temperature difference;

[0035] Wherein, the central control module is further configured with a first preset temperature difference and a second preset temperature difference, and the first preset temperature difference is less than the second preset temperature difference;

[0036] When the real-time temperature difference is lower than or equal to the first preset temperature difference, the central control module determines the correction coefficient as K3;

[0037] When the real-time temperature difference is higher than the first preset temperature difference and lower than or equal to the second preset temperature difference, the central control module determines the correction coefficient as K2;

[0038] When the real-time temperature difference is higher than the second preset temperature difference, the central control module determines the correction coefficient as K1;

[0039] And, K1 < K2 < K3 < 0.5.

[0040] Compared with the prior art, the present application has the beneficial effects that: the core sand weight is accurately obtained by the weighing module, ensuring the accuracy and consistency of core sand treatment. The weighing module is configured with an instruction receiving unit, which automatically obtains the required weight of core sand according to the preset weight instruction and stores it in the boiler. This process reduces the error of manual operation and improves the automation and efficiency of production. Secondly, the boiler is connected with the heat exchange module and the hot air module, and through the synergistic effect of the two modules, the temperature of the core sand inside the boiler can be efficiently adjusted. The heat exchange module is mainly responsible for temperature adjustment using circulating water, while the hot air module further heats the core sand by providing hot air. Such design enables rapid response to temperature change requirements, ensuring that the core sand is processed within the appropriate temperature range. In addition, through the equipped first temperature detection module and second temperature detection module, the core sand temperature and the circulating water temperature inside the heat exchange module can be monitored in real time. The first temperature detection module is set inside the boiler to ensure accurate detection of the core sand and the internal temperature of the boiler; the second temperature detection module is connected with the heat exchange module to monitor the circulating water temperature and provide data support. Through the two temperature detection modules, the system can realize accurate control of the temperature and ensure the stability of the core sand temperature. Finally, the central control module determines the optimal temperature adjustment strategy by comparing the core sand temperature with the preset temperature, and optimizes the output power of the heat exchange module and the hot air module according to the internal temperature of the boiler and the weight of the core sand. This intelligent control process not only shortens the triethylamine catalysis time and improves the solidification effect of the sand core, but also effectively avoids the defects of sand core waste caused by improper temperature control.

[0041] In another aspect, the present application also provides an intelligent temperature control method for cold core core sand mixing and pretreatment, comprising:

[0042] The heat exchange module and the hot air module are provided for adjusting the temperature of the core sand inside the boiler;

[0043] The temperature of the core sand, the internal temperature of the boiler and the circulating water temperature inside the heat exchange module are obtained;

[0044] The output temperature of the heat exchange module and the hot air module is determined according to the core sand temperature and the preset temperature;

[0045] The output power of the heat exchange module and the hot air module is optimized according to the internal temperature of the boiler and the weight of the core sand.

[0046] Further, when determining the output temperature of the heat exchange module and the hot air module according to the core sand temperature and the preset temperature, it comprises:

[0047] acquire the real-time temperature of the core sand and the real-time temperature inside the boiling device, and determine whether to adjust the real-time temperature of the core sand according to the relationship between the real-time temperature of the core sand and the real-time temperature inside the boiling device and the preset temperature:

[0048] when the real-time temperature of the core sand is lower than the preset temperature and the real-time temperature inside the boiling device is higher than the preset temperature, it is determined that the real-time temperature of the core sand is not adjusted;

[0049] when the real-time temperature of the core sand is higher than or equal to the preset temperature and the real-time temperature inside the boiling device is equal to or higher than the preset temperature, it is determined that the real-time temperature of the core sand is not adjusted;

[0050] when the real-time temperature of the core sand and the real-time temperature inside the boiling device are both lower than the preset temperature, the temperature difference between the real-time temperature of the core sand and the preset temperature is acquired, and the output temperature of the heat exchange module and the hot air module is determined according to the temperature difference.

[0051] Further, when the temperature difference between the real-time temperature of the core sand and the preset temperature is acquired and the output temperature of the heat exchange module and the hot air module is determined according to the temperature difference, it includes:

[0052] the first preset temperature difference and the second preset temperature difference are preset, and the first preset temperature difference is greater than the second preset temperature difference;

[0053] the output temperature of the heat exchange module and the hot air module is determined according to the relationship between the temperature difference and each preset temperature difference;

[0054] when the temperature difference is higher than the first preset temperature difference, the output temperature of the heat exchange module and the hot air module is determined as (M3, N3);

[0055] when the temperature difference is lower than or equal to the first preset temperature difference and higher than the second preset temperature difference, the output temperature of the heat exchange module and the hot air module is determined as (M2, N2);

[0056] when the temperature difference is lower than or equal to the second preset temperature difference, the output temperature of the heat exchange module and the hot air module is determined as (M1, N1);

[0057] wherein, M1

[0058] Further, when the output power of the heat exchange module and the hot air module is optimized according to the internal temperature of the boiling device and the weight of the core sand, it includes:

[0059] acquire the real-time weight of the core sand, and determine the adjustment coefficient of the output power of the heat exchange module and the hot air module according to the relationship between the real-time weight of the core sand and a preset weight;

[0060] wherein, the first preset weight and the second preset weight are preset, and the first preset weight is lower than the second preset weight;

[0061] when the real-time weight is lower than or equal to the first preset weight, the adjustment coefficient is determined as L1;

[0062] when the real-time weight is higher than the first preset weight and lower than or equal to the second preset weight, the adjustment coefficient is determined as L2;

[0063] when the real-time weight is higher than the second preset weight, the adjustment coefficient is determined as L3;

[0064] and, L1

[0065] Further, when the adjustment coefficient of the output power of the heat exchange module and the hot air module is determined as Li, i=1, 2, 3, it includes:

[0066] acquire the real-time temperature difference between the internal temperature of the boiler and a preset temperature, and determine the correction coefficient of the adjustment coefficient Li of the output power of the heat exchange module and the hot air module according to the relationship between the real-time temperature difference and a preset temperature difference;

[0067] wherein, the first preset temperature difference and the second preset temperature difference are preset, and the first preset temperature difference is smaller than the second preset temperature difference;

[0068] when the real-time temperature difference is lower than or equal to the first preset temperature difference, the correction coefficient is determined as K3;

[0069] when the real-time temperature difference is higher than the first preset temperature difference and lower than or equal to the second preset temperature difference, the correction coefficient is determined as K2;

[0070] when the real-time temperature difference is higher than the second preset temperature difference, the correction coefficient is determined as K1;

[0071] and, K1

[0072] It can be understood that the cold core core sand mixing sand pretreatment system and the intelligent temperature control method thereof in each embodiment of the present application have the same beneficial effects, which will not be repeated. BRIEF DESCRIPTION OF DRAWINGS

[0073] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments with reference made to the accompanying drawings. The drawings are for purposes of illustration only and are not intended to be limiting in

[0074] Figure 1 A functional block diagram of a cold core sand mixing and pre-treatment system according to an embodiment of the present application;

[0075] Figure 2 A flow chart of an intelligent temperature control method for cold core sand mixing and pre-treatment according to an embodiment of the present application. DETAILED DESCRIPTION

[0076] Exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly understood, and the scope of the present disclosure can be accurately conveyed to those skilled in the art. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0077] As Figure 1 shown in some embodiments of the present application, the present embodiment provides a cold core sand mixing and pre-treatment system, which comprises a weighing module, a boiler, a heat exchange module, a hot air module, a first temperature detection module, a second temperature detection module and a central control module. The weighing module is connected to a sand bin, wherein the weighing module is configured with an instruction receiving unit, and the weighing module is used to obtain core sand according to the received weight instruction; the boiler is connected to the weighing module, and the boiler is used to store the core sand obtained by the weighing module; the heat exchange module and the hot air module are respectively connected to the boiler, and the heat exchange module and the hot air module are used to adjust the temperature of the core sand inside the boiler; the first temperature detection module is arranged inside the boiler, and the first temperature detection module is used to detect the temperature of the core sand and the internal temperature of the boiler; the second temperature detection module is connected to the heat exchange module, and the second temperature detection module is used to detect the circulating water temperature inside the heat exchange module; the central control module is electrically connected to the weighing module, the heat exchange module, the hot air module, the first temperature detection module and the second temperature detection module, wherein the central control module is configured with a preset temperature, the central control module is used to determine the output temperature of the heat exchange module and the hot air module according to the temperature difference between the core sand and the preset temperature, and the central control module is further used to optimize the output power of the heat exchange module and the hot air module according to the internal temperature of the boiler and the weight of the core sand.

[0078] Specifically, the weighing module is connected to the sand bin, and the weight instruction is received through the instruction receiving unit, so that the core sand of the required weight can be accurately measured and obtained. The use of the weighing module reduces the error of manual operation, ensures the consistency and accuracy of the weight of each batch of core sand, and thus provides a reliable basis for subsequent temperature adjustment. Secondly, the boiler is connected with the heat exchange module and the hot air module, so that the core sand can be efficiently temperature-adjusted. The boiler stores the core sand obtained by the weighing module and performs heating treatment through the heat exchange module and the hot air module. The heat exchange module controls the temperature of the circulating water to achieve preliminary heating of the core sand, while the hot air module provides hot air for further heating to ensure that the core sand temperature reaches the preset requirement. Such a double-heating mechanism makes the temperature adjustment more rapid and accurate, especially suitable for rapid heating demand in low-temperature environments. In addition, the first temperature detection module and the second temperature detection module are provided to ensure the comprehensiveness and real-time nature of temperature monitoring. The first temperature detection module is installed inside the boiler to detect the temperature data of the core sand and the inside of the boiler in real time. The second temperature detection module is connected with the heat exchange module to monitor the temperature of the circulating water inside the heat exchange module. Real-time feedback of these temperature data provides key basic information for intelligent control of the central control module, ensuring that the temperature control of the entire system is within the best range. Finally, the central control module realizes intelligent adjustment of the output temperature of the heat exchange module and the hot air module through comprehensive analysis of various temperature data. The central control module dynamically adjusts the output temperature of the heat exchange module and the hot air module according to the difference between the actual temperature of the core sand and the preset temperature. At the same time, the central control module also optimizes the output power of the heat exchange module and the hot air module based on the temperature inside the boiler and the weight of the core sand. This intelligent temperature control and power optimization not only shortens the catalysis time of triethylamine and improves the solidification effect of the core sand, but also effectively avoids defects such as core sand waste caused by improper temperature control, significantly improving production efficiency and product quality.

[0079] It can be understood that the core sand weight is accurately obtained and transmitted to the boiler through the weighing module, and the boiler stores these core sands and adjusts their temperature through the heat exchange module and the hot air module. The heat exchange module mainly controls the heating of the core sand by using the temperature of the circulating water, while the hot air module further adjusts the temperature by providing hot air. The first temperature detection module and the second temperature detection module monitor the temperature of the core sand inside the boiler and the temperature of the circulating water inside the heat exchange module, respectively, and transmit these data to the central control module. The central control module intelligently determines the output temperature of the heat exchange module and the hot air module according to the difference between the actual temperature of the core sand and the preset temperature, and optimizes the output power based on the temperature inside the boiler and the weight of the core sand, so as to realize accurate and efficient temperature adjustment, ensure that the core sand can quickly reach the appropriate catalytic temperature in a low-temperature environment, and improve production efficiency and product quality.

[0080] In some embodiments of the present application, when the control module is used to determine the output temperature of the heat exchange module and the hot air module according to the relationship between the core sand temperature and the preset temperature, the control module is used to obtain the real-time temperature of the core sand and the real-time temperature inside the boiler, and determine whether to adjust the real-time temperature of the core sand according to the relationship between the real-time temperature of the core sand and the real-time temperature inside the boiler and the preset temperature. When the real-time temperature of the core sand is lower than the preset temperature and the real-time temperature inside the boiler is higher than the preset temperature, the control module determines not to adjust the real-time temperature of the core sand. When the real-time temperature of the core sand is higher than or equal to the preset temperature and the real-time temperature inside the boiler is equal to or higher than the preset temperature, the control module determines not to adjust the real-time temperature of the core sand. When the real-time temperature of the core sand and the real-time temperature inside the boiler are both lower than the preset temperature, the control module obtains the temperature difference between the real-time temperature of the core sand and the preset temperature, and determines the output temperature of the heat exchange module and the hot air module according to the temperature difference.

[0081] In some embodiments of the present application, when the control module obtains the temperature difference between the real-time temperature of the core sand and the preset temperature and determines the output temperature of the heat exchange module and the hot air module according to the temperature difference, the control module is configured with a first preset temperature difference and a second preset temperature difference, and the first preset temperature difference is greater than the second preset temperature difference. The control module is also used to determine the output temperature of the heat exchange module and the hot air module according to the relationship between the temperature difference and each preset temperature difference. When the temperature difference is higher than the first preset temperature difference, the control module determines the output temperature of the heat exchange module and the hot air module as (M3, N3). When the temperature difference is lower than or equal to the first preset temperature difference and higher than the second preset temperature difference, the control module determines the output temperature of the heat exchange module and the hot air module as (M2, N2). When the temperature difference is lower than or equal to the second preset temperature difference, the control module determines the output temperature of the heat exchange module and the hot air module as (M1, N1). Wherein, M1 < M2 < M3 < 100%, N1 < N2 < N3 < 100%.

[0082] Specifically, when the real-time temperature of the core sand is lower than the preset temperature, and the real-time temperature inside the ebulliator is higher than the preset temperature, the central control module determines that the temperature of the core sand does not need to be adjusted. This is because there is already enough heat inside the ebulliator, and the temperature of the core sand will naturally rise to the preset temperature in a short time. This strategy effectively avoids unnecessary energy waste and improves the energy utilization efficiency of the system. Secondly, when the real-time temperature of the core sand is higher than or equal to the preset temperature, and the real-time temperature inside the ebulliator is equal to or higher than the preset temperature, the central control module also determines not to adjust the temperature of the core sand. In this case, the core sand has already reached the expected temperature requirement, and continuing to heat is not only unnecessary, but also may cause the temperature to be too high, affecting the quality and solidification effect of the sand core. Therefore, the system avoids over-heating through intelligent judgment to ensure the stability of the production process. When the real-time temperature of the core sand and the real-time temperature inside the ebulliator are both lower than the preset temperature, the central control module will start the temperature adjustment process. At this time, the central control module obtains the temperature difference between the real-time temperature of the core sand and the preset temperature, and determines the output temperature of the heat exchange module and the hot air module according to the temperature difference. This step is crucial because it directly affects the heating effect of the core sand and the production efficiency. In order to more accurately control the heating process, the central control module configures a first preset temperature difference and a second preset temperature difference, and the first preset temperature difference is greater than the second preset temperature difference. According to the relationship between the temperature difference and these preset temperature differences, the central control module can flexibly adjust the output temperature of the heat exchange module and the hot air module. Specifically, when the temperature difference is higher than the first preset temperature difference, the central control module determines that the output temperature of the heat exchange module and the hot air module is the highest (M3, N3); when the temperature difference is between the first and second preset temperature differences, the output temperature is medium (M2, N2); when the temperature difference is lower than or equal to the second preset temperature difference, the output temperature is the lowest (M1, N1). This hierarchical control method ensures that the system can reasonably allocate heating power under different temperature differences, avoiding problems of excessive temperature fluctuations or insufficient heating. Through this intelligent temperature control and power optimization, the central control module not only accurately adjusts the temperature of the core sand, shortens the triethylamine catalysis time, and improves the solidification effect of the sand core, but also effectively avoids defects such as sand core waste caused by improper temperature control. This efficient and accurate temperature management system significantly improves production efficiency and product quality, especially solving the problem of prolonged triethylamine catalysis time in low-temperature environments in northern China.

[0083] It can be understood that the central control module dynamically adjusts the output temperature of the heat exchange module and the hot air module according to the relationship between the core sand temperature and the preset temperature and the internal temperature of the ebulliator. This process is achieved through a series of preset conditions and logical judgments, ensuring that the system can efficiently heat the core sand under various temperature conditions, maintaining the stability and uniformity of the temperature.

[0084] In some embodiments of the present application, the central control module is further configured to optimize the output power of the heat exchange module and the hot air module according to the internal temperature of the boiling machine and the weight of the core sand, comprising: the central control module is further configured to obtain the real-time weight of the core sand, and determine the adjustment coefficient of the output power of the heat exchange module and the hot air module according to the relationship between the real-time weight of the core sand and the preset weight; wherein the central control module is configured with a first preset weight and a second preset weight, and the first preset weight is lower than the second preset weight; when the real-time weight is lower than or equal to the first preset weight, the central control module determines the adjustment coefficient as L1; when the real-time weight is higher than the first preset weight and lower than or equal to the second preset weight, the central control module determines the adjustment coefficient as L2; when the real-time weight is higher than the second preset weight, the central control module determines the adjustment coefficient as L3; and L1

[0085] In some embodiments of the present application, when the central control module determines the adjustment coefficient of the output power of the heat exchange module and the hot air module as Li, i = 1, 2, 3, comprising: the central control module is further configured to obtain the real-time temperature difference between the internal temperature of the boiling machine and the preset temperature, and determine the correction coefficient of the adjustment coefficient Li of the output power of the heat exchange module and the hot air module according to the relationship between the real-time temperature difference and the preset temperature difference; wherein the central control module is further configured with a first preset temperature difference and a second preset temperature difference, and the first preset temperature difference is less than the second preset temperature difference; when the real-time temperature difference is lower than or equal to the first preset temperature difference, the central control module determines the correction coefficient as K3; when the real-time temperature difference is higher than the first preset temperature difference and lower than or equal to the second preset temperature difference, the central control module determines the correction coefficient as K2; when the real-time temperature difference is higher than the second preset temperature difference, the central control module determines the correction coefficient as K1; and K1

[0086] Specifically, the central control module determines adjustment coefficients (L1, L2, L3) of the output power based on the relationship with the preset weight by acquiring the real-time weight of the core sand. The setting of these adjustment coefficients is based on different ranges of core sand weight: when the core sand weight is less than or equal to the first preset weight, the adjustment coefficient is L1; when the weight is between the first and second preset weights, the adjustment coefficient is L2; when the weight is higher than the second preset weight, the adjustment coefficient is L3. This hierarchical adjustment ensures that the system can operate stably and effectively adjust the heating power under different core sand loads. Secondly, the central control module also considers the real-time temperature difference between the internal temperature of the boiler and the preset temperature. According to this difference, the correction coefficient (K1, K2, K3) is determined, and the selection of the correction coefficient is based on different ranges of temperature difference: when the temperature difference is less than or equal to the first preset temperature difference, the correction coefficient is K3; when the temperature difference is between the first and second preset temperature difference, the correction coefficient is K2; when the temperature difference is higher than the second preset temperature difference, the correction coefficient is K1. Such a correction mechanism enables the system to dynamically adjust the heating output under different temperature conditions, effectively controls the heating process, and avoids overheating or insufficient heating. By comprehensively utilizing the real-time data of core sand weight and boiler temperature, the central control module can accurately calculate the optimal output power, thereby achieving the purpose of improving heating efficiency and core sand quality.

[0087] In the above embodiment, the core sand weight is accurately obtained by the weighing module, ensuring the accuracy and consistency of core sand processing. The weighing module is configured with an instruction receiving unit, which automatically obtains the required weight of core sand according to the preset weight instruction and stores it in the ebulliator. This process reduces the error of manual operation, improves the degree of automation and efficiency of production. Secondly, the ebulliator is connected with the heat exchange module and the hot air module, which can efficiently adjust the temperature of the core sand inside the ebulliator through the synergistic effect of the two modules. The heat exchange module is mainly responsible for temperature adjustment using circulating water, while the hot air module further heats the core sand by providing hot air. Such design enables rapid response to temperature change requirements, ensuring that the core sand is processed within the appropriate temperature range. In addition, through the equipped first temperature detection module and second temperature detection module, the core sand temperature and the circulating water temperature inside the heat exchange module can be monitored in real time. The first temperature detection module is set inside the ebulliator to ensure accurate detection of the core sand and ebulliator internal temperature; the second temperature detection module is connected with the heat exchange module to monitor the circulating water temperature and provide data support. Through the two temperature detection modules, the system can realize accurate control of the temperature to ensure the stability of the core sand temperature. Finally, the central control module determines the optimal temperature adjustment strategy by comparing the core sand temperature with the preset temperature, and optimizes the output power of the heat exchange module and the hot air module according to the ebulliator internal temperature and the core sand weight. This intelligent control process not only shortens the catalytic time of triethylamine, improves the solidification effect of the sand core, but also effectively avoids the defects of sand core waste caused by improper temperature control.

[0088] In another preferred mode based on the above embodiment, as shown in Figure 2 The present embodiment provides an intelligent temperature control method for cold core core sand mixing and pre-treatment, comprising:

[0089] Step S100, set the heat exchange module and the hot air module for adjusting the temperature of the core sand inside the ebulliator.

[0090] Step S200, obtain the temperature of the core sand, the internal temperature of the ebulliator and the circulating water temperature inside the heat exchange module.

[0091] Step S300, determine the output temperature of the heat exchange module and the hot air module according to the core sand temperature and the preset temperature.

[0092] Specifically, when determining the output temperature of the heat exchange module and the hot air module according to the temperature difference between the core sand temperature and the preset temperature, the following steps are included: obtaining the real-time temperature of the core sand and the real-time temperature inside the boiler, and determining whether to adjust the real-time temperature of the core sand according to the relationship between the real-time temperature of the core sand and the real-time temperature inside the boiler and the preset temperature; when the real-time temperature of the core sand is lower than the preset temperature and the real-time temperature inside the boiler is higher than the preset temperature, it is determined that the real-time temperature of the core sand is not adjusted; when the real-time temperature of the core sand is higher than or equal to the preset temperature and the real-time temperature inside the boiler is equal to or higher than the preset temperature, it is determined that the real-time temperature of the core sand is not adjusted; and when the real-time temperature of the core sand and the real-time temperature inside the boiler are both lower than the preset temperature, the temperature difference between the real-time temperature of the core sand and the preset temperature is obtained, and the output temperature of the heat exchange module and the hot air module is determined according to the temperature difference.

[0093] Specifically, when the temperature difference between the real-time temperature of the core sand and the preset temperature is obtained and the output temperature of the heat exchange module and the hot air module is determined according to the temperature difference, the following steps are included: the first preset temperature difference and the second preset temperature difference are set in advance, and the first preset temperature difference is greater than the second preset temperature difference; the output temperature of the heat exchange module and the hot air module is determined according to the relationship between the temperature difference and each preset temperature difference; when the temperature difference is higher than the first preset temperature difference, the output temperature of the heat exchange module and the hot air module is determined to be (M3, N3); when the temperature difference is lower than or equal to the first preset temperature difference and the temperature difference is higher than the second preset temperature difference, the output temperature of the heat exchange module and the hot air module is determined to be (M2, N2); and when the temperature difference is lower than or equal to the second preset temperature difference, the output temperature of the heat exchange module and the hot air module is determined to be (M1, N1). Wherein, M1 < M2 < M3 < 100%, N1 < N2 < N3 < 100%.

[0094] Step S400, the output power of the heat exchange module and the hot air module is optimized according to the internal temperature of the boiler and the weight of the core sand.

[0095] Specifically, when the output power of the heat exchange module and the hot air module is optimized according to the internal temperature of the boiler and the weight of the core sand, the following steps are included: the real-time weight of the core sand is obtained, and the adjustment coefficient of the output power of the heat exchange module and the hot air module is determined according to the relationship between the real-time weight of the core sand and the preset weight. Wherein, the first preset weight and the second preset weight are set in advance, and the first preset weight is lower than the second preset weight; when the real-time weight is lower than or equal to the first preset weight, the adjustment coefficient is determined to be L1; when the real-time weight is higher than the first preset weight and the real-time weight is lower than or equal to the second preset weight, the adjustment coefficient is determined to be L2; and when the real-time weight is higher than the second preset weight, the adjustment coefficient is determined to be L3. And, L1 < L2 < L3 < 1.

[0096] Specifically, when the adjustment coefficient of the output power of the heat exchange module and the hot air module is determined as Li, i=1, 2, 3, the following steps are included: obtaining a real-time temperature difference between the internal temperature of the boiler and a preset temperature, and determining a correction coefficient of the adjustment coefficient Li of the output power of the heat exchange module and the hot air module according to a relationship between the real-time temperature difference and a preset temperature difference. The first preset temperature difference and the second preset temperature difference are preset, and the first preset temperature difference is less than the second preset temperature difference. When the real-time temperature difference is less than or equal to the first preset temperature difference, the correction coefficient is determined as K3. When the real-time temperature difference is greater than the first preset temperature difference and less than or equal to the second preset temperature difference, the correction coefficient is determined as K2. When the real-time temperature difference is greater than the second preset temperature difference, the correction coefficient is determined as K1. And K1

[0097] It can be understood that the cold core sand mixing pretreatment system and the intelligent temperature control method thereof in the above-mentioned embodiments of the application have the same beneficial effects, which will not be repeated.

[0098] Those skilled in the art will understand that the embodiments of the present application can be provided as a method, a system or a computer program product. Therefore, the present application can be in the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can be in the form of a computer program product implemented on one or more computer usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code.

[0099] The present application is described with reference to flowcharts and / or block diagrams of the methods, devices (systems) and computer program products according to the embodiments of the present application. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and the combination of the flows and / or blocks in the flowcharts and / or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing devices to produce a machine, so that the instructions executed by the computer or other programmable data processing devices produce a device that implements the functions specified in the flowcharts and / or block diagrams. Figure 1 The functions specified in one or more flows and / or blocks Figure 1 The means for performing the functions specified in one or more flows and / or blocks.

[0100] These computer program instructions can also be stored in a computer readable storage medium that can guide the computer or other programmable data processing devices to work in a specific way, so that the instructions stored in the computer readable storage medium produce a manufactured product including instruction means, which implements the functions specified in the flowcharts and / or block diagrams. Figure 1 The functions specified in one or more flows and / or blocks Figure 1the function specified in the one or more blocks.

[0101] These computer program instructions can also be loaded into computer or other programmable data processing devices, so that a series of operation steps are performed on the computer or other programmable data processing devices to generate computer-implemented processes, so that the instructions executed on the computer or other programmable devices provide processes for implementing the flow Figure 1 one or more flows and / or blocks Figure 1 the steps of the function specified in the one or more blocks.

[0102] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, but not to limit it, although the above embodiments of the present application have been described in detail, those skilled in the art should understand: the specific embodiments of the present application can be modified or replaced by the same, without departing from the spirit and scope of the present application, any modification or equivalent replacement, which should be covered in the protection scope of the claims of the present application.

Claims

1. A cold core sand mix preparation system, characterized by, The application relates to a sand core production system, which comprises the following modules: a weighing module connected with a sand bin, wherein the weighing module is configured with a command receiving unit, the weighing module is used for receiving a weight command and obtaining core sand according to the weight command; a boiling device connected with the weighing module, the boiling device is used for storing the core sand obtained by the weighing module; a heat exchange module and a hot air module connected with the boiling device respectively, the heat exchange module and the hot air module are used for adjusting the temperature of the core sand in the boiling device; a first temperature detection module arranged in the boiling device, the first temperature detection module is used for detecting the temperature of the core sand and the internal temperature of the boiling device; a second temperature detection module connected with the heat exchange module, the second temperature detection module is used for detecting the circulating water temperature in the heat exchange module; a central control module electrically connected with the weighing module, the heat exchange module, the hot air module, the first temperature detection module and the second temperature detection module respectively, wherein the central control module is configured with a preset temperature, the central control module is used for determining the output temperature of the heat exchange module and the hot air module according to the relationship between the temperature of the core sand and the preset temperature, and the central control module is further used for optimizing the output power of the heat exchange module and the hot air module according to the internal temperature of the boiling device and the weight of the core sand; the central control module is further used for optimizing the output power of the heat exchange module and the hot air module according to the internal temperature of the boiling device and the weight of the core sand, and the optimization comprises the following steps: the central control module is further used for obtaining the real-time weight of the core sand, and determining the adjustment coefficient of the output power of the heat exchange module and the hot air module according to the relationship between the real-time weight of the core sand and a preset weight; wherein the central control module is configured with a first preset weight and a second preset weight, and the first preset weight is lower than the second preset weight; when the real-time weight is lower than or equal to the first preset weight, the central control module determines that the adjustment coefficient is L1; when the real-time weight is higher than the first preset weight and lower than or equal to the second preset weight, the central control module determines that the adjustment coefficient is L2; when the real-time weight is higher than the second preset weight, the central control module determines that the adjustment coefficient is L3; and L1 < L2 < L3 < 1; when the central control module determines the adjustment coefficient of the output power of the heat exchange module and the hot air module as Li (i=1, 2, 3), the optimization comprises the following steps: the central control module is further used for obtaining a real-time temperature difference value between the internal temperature of the boiling device and the preset temperature, and determining the correction coefficient of the adjustment coefficient Li of the output power of the heat exchange module and the hot air module according to the relationship between the real-time temperature difference value and a preset temperature difference value; wherein the central control module is further configured with a first preset temperature difference value and a second preset temperature difference value, and the first preset temperature difference value is lower than the second preset temperature difference value; when the real-time temperature difference value is lower than or equal to the first preset temperature difference value, the central control module determines that the correction coefficient is K3; When the real-time temperature difference is higher than the first preset temperature difference and lower than or equal to the second preset temperature difference, the central control module determines the correction coefficient as K2; When the real-time temperature difference is higher than the second preset temperature difference, the central control module determines the correction coefficient as K1; And, K1 2. A cold core sand mix preparation system as claimed in claim 1, wherein, The central control module is used to determine the output temperature of the heat exchange module and the hot air module according to the relationship between the core sand temperature and the preset temperature, and includes: The central control module is used to obtain the real-time temperature of the core sand and the real-time temperature inside the ebulliator, and determine whether to adjust the real-time temperature of the core sand according to the relationship between the real-time temperature of the core sand and the real-time temperature inside the ebulliator and the preset temperature: When the real-time temperature of the core sand is lower than the preset temperature and the real-time temperature inside the ebulliator is higher than the preset temperature, the central control module determines not to adjust the real-time temperature of the core sand; When the real-time temperature of the core sand is higher than or equal to the preset temperature and the real-time temperature inside the ebulliator is equal to or higher than the preset temperature, the central control module determines not to adjust the real-time temperature of the core sand; When the real-time temperature of the core sand and the real-time temperature inside the ebulliator are both lower than the preset temperature, the central control module obtains the temperature difference between the real-time temperature of the core sand and the preset temperature, and determines the output temperature of the heat exchange module and the hot air module according to the temperature difference.

3. A cold core sand mix preparation system as claimed in claim 2, wherein, The central control module obtains the temperature difference between the real-time temperature of the core sand and the preset temperature, and determines the output temperature of the heat exchange module and the hot air module according to the temperature difference, and includes: The central control module is configured with a first preset temperature difference and a second preset temperature difference, and the first preset temperature difference is greater than the second preset temperature difference; The central control module is also used to determine the output temperature of the heat exchange module and the hot air module according to the relationship between the temperature difference and each preset temperature difference; When the temperature difference is higher than the first preset temperature difference, the central control module determines the output temperature of the heat exchange module and the hot air module as (M3, N3); When the temperature difference is lower than or equal to the first preset temperature difference and higher than the second preset temperature difference, the central control module determines the output temperature of the heat exchange module and the hot air module as (M2, N2); When the temperature difference is lower than or equal to the second preset temperature difference, the central control module determines the output temperature of the heat exchange module and the hot air module as (M1, N1); Wherein, M1 4. An intelligent temperature control method for cold core sand mixing pre-treatment, which is suitable for a cold core sand mixing pre-treatment system according to any one of claims 1-3, characterized in that, It includes: Setting a heat exchange module and a hot air module for adjusting the temperature of the core sand inside the ebulliator; Obtaining the temperature of the core sand, the internal temperature of the ebulliator and the circulating water temperature inside the heat exchange module; Determining the output temperature of the heat exchange module and the hot air module according to the relationship between the core sand temperature and the preset temperature; Optimizing the output power of the heat exchange module and the hot air module according to the internal temperature of the ebulliator and the weight of the core sand.

5. The intelligent temperature control method for cold core sand premixing treatment according to claim 4, characterized in that, According to the relationship between the core sand temperature and the preset temperature, the output temperature of the heat exchange module and the hot air module is determined, comprising: The real-time temperature of the core sand and the real-time temperature inside the boiler are obtained, and according to the relationship between the real-time temperature of the core sand and the real-time temperature inside the boiler and the preset temperature, it is determined whether to adjust the real-time temperature of the core sand: When the real-time temperature of the core sand is lower than the preset temperature, and the real-time temperature inside the boiler is higher than the preset temperature, it is determined that the real-time temperature of the core sand is not adjusted; When the real-time temperature of the core sand is higher than or equal to the preset temperature, and the real-time temperature inside the boiler is equal to or higher than the preset temperature, it is determined that the real-time temperature of the core sand is not adjusted; When the real-time temperature of the core sand and the real-time temperature inside the boiler are both lower than the preset temperature, the temperature difference between the real-time temperature of the core sand and the preset temperature is obtained, and according to the temperature difference, the output temperature of the heat exchange module and the hot air module is determined.

6. The intelligent temperature control method for cold core sand mix preparation of claim 5, wherein, The real-time temperature of the core sand and the real-time temperature inside the boiler are obtained, and according to the relationship between the real-time temperature of the core sand and the real-time temperature inside the boiler and the preset temperature, it is determined whether to adjust the real-time temperature of the core sand: The first preset temperature difference and the second preset temperature difference are set in advance, and the first preset temperature difference is greater than the second preset temperature difference; According to the relationship between the temperature difference and each preset temperature difference, the output temperature of the heat exchange module and the hot air module is determined; When the temperature difference is higher than the first preset temperature difference, the output temperature of the heat exchange module and the hot air module is determined as (M3, N3); When the temperature difference is lower than or equal to the first preset temperature difference, and the temperature difference is higher than the second preset temperature difference, the output temperature of the heat exchange module and the hot air module is determined as (M2, N2); When the temperature difference is lower than or equal to the second preset temperature difference, the output temperature of the heat exchange module and the hot air module is determined as (M1, N1); Wherein, M1 < M2 < M3 < 100%, N1 < N2 < N3 < 100%.

7. The intelligent temperature control method for cold core sand mix preparation according to claim 4, wherein, According to the relationship between the temperature difference and each preset temperature difference, the output temperature of the heat exchange module and the hot air module is determined; The real-time weight of the core sand is obtained, and according to the relationship between the real-time weight of the core sand and the preset weight, the adjustment coefficient of the output power of the heat exchange module and the hot air module is determined; Wherein, the first preset weight and the second preset weight are set in advance, and the first preset weight is lower than the second preset weight; When the real-time weight is lower than or equal to the first preset weight, the adjustment coefficient is determined as L1; When the real-time weight is higher than the first preset weight, and the real-time weight is lower than or equal to the second preset weight, the adjustment coefficient is determined as L2; When the real-time weight is higher than the second preset weight, the adjustment coefficient is determined as L3; And, L1 < L2 < L3 < 1.

8. The intelligent temperature control method for cold core sand mix preparation of claim 7, wherein, When the adjustment coefficient of the output power of the heat exchange module and the hot air module is determined as Li, i = 1, 2, 3, comprising: acquire a real-time temperature difference between an internal temperature of the boiler and a preset temperature, and determine a correction coefficient of an adjustment coefficient Li of output power of the heat exchange module and the hot air module according to a relationship between the real-time temperature difference and a preset temperature difference; wherein a first preset temperature difference and a second preset temperature difference are preset, and the first preset temperature difference is less than the second preset temperature difference; when the real-time temperature difference is less than or equal to the first preset temperature difference, the correction coefficient is determined as K3; when the real-time temperature difference is greater than the first preset temperature difference and less than or equal to the second preset temperature difference, the correction coefficient is determined as K2; when the real-time temperature difference is greater than the second preset temperature difference, the correction coefficient is determined as K1; and K1 < K2 < K3 < 0.5.

Images