Reaction kettle temperature rise rate control method, device and equipment

Abstract

The embodiment of the invention provides a reaction kettle temperature rise rate control method, device and equipment. The method comprises the following steps: collecting the current material temperature and the current liquid level in the reaction kettle; collecting the feeding flow and the feeding temperature of feeding on a feeding pipeline of the reaction kettle; obtaining a preset heating medium flow calculation formula; according to the current material temperature, the current liquid level, the feeding flow, the feeding temperature and the preset heating medium flow calculation formula, the flow set value of a heating medium is calculated. In this way, the flow of the heating medium of the reaction kettle can be adjusted in real time during feeding, so that the feeding and heating operations of the reaction kettle are combined, the temperature rise rate of the reaction kettle can be regulated and controlled in time, the control hysteresis of the temperature rise rate of the reaction kettle is reduced, the temperature rise rate of the reaction kettle is more stable, and the fluctuation is smaller.

Description

Technical Field

[0001] The present disclosure relates to the field of reactor temperature control, and particularly to the field of reactor temperature rise rate control technology. Background Art

[0002] In the preparation stage of a batch reactor, after laying the bottom material, it is often necessary to heat the material and then carry out subsequent reactions. Since some materials may cause rapid polymerization and dangerous working conditions when the heating rate is too fast, or too fast heating rate will cause some side reactions that do not meet the process requirements, it is very important to accurately control the heating rate of the reactor.

[0003] However, in actual production, the control of the temperature rise rate is often not very stable, and the time lag is quite large. The fluctuation of the temperature rise rate is very obvious, either too fast or too slow, and it is very dependent on the operation level of the personnel. In addition, for the convenience of operation, production personnel usually adopt the operation mode of feeding first and then heating, which is rather time-consuming. Summary of the Invention

[0004] The present disclosure provides a method, device, equipment and storage medium for controlling the temperature rise rate of a reactor.

[0005] According to a first aspect of the present disclosure, a method for controlling the temperature rise rate of a reactor is provided. The method includes:

[0006] Collect the current material temperature and current liquid level in the reactor;

[0007] Collect the feed flow rate and feed temperature of the feed on the feed pipeline of the reactor;

[0008] Obtain a preset heating medium flow rate calculation formula;

[0009] Calculate the flow rate set value of the heating medium according to the current material temperature, the current liquid level, the feed flow rate, the feed temperature and the preset heating medium flow rate calculation formula.

[0010] As described above in the aspect and any possible implementation manner, a further implementation manner is provided. The preset heating medium flow rate calculation formula includes:

[0011] Wherein:

[0012] FIC-001 setup is the flow rate set value of the heating medium at time t, is a preset correction factor, c is the specific heat capacity of the material, ρ is the material density, H latent is the latent heat of the heating medium, D is the diameter of the reactor, V is the volume of the lower head of the reactor, Lr tis the current liquid level at time t, Tr t is the current feed temperature at time t, Fs t is the feed flow rate at time t, Ts t is the feed temperature at time t, ΔT target is the target temperature rise rate of the reactor.

[0013] For the aspects and any possible implementation manners as described above, a further implementation manner is provided. The steps for obtaining the preset correction factor are as follows:

[0014] Wherein:

[0015] Δt time is the preset update time period.

[0016] For the aspects and any possible implementation manners as described above, a further implementation manner is provided. A steam trap is connected to the bottom of the reactor.

[0017] For the aspects and any possible implementation manners as described above, a further implementation manner is provided. The value of the preset update time period is 5 to 10 seconds.

[0018] For the aspects and any possible implementation manners as described above, a further implementation manner is provided. The method further includes:

[0019] Obtaining the current flow value of the heating medium;

[0020] Calculating the absolute value of the flow difference between the flow set value of the heating medium and the current flow value;

[0021] Adjusting the opening degree of the flow valve on the heating medium pipeline of the reactor according to the absolute value of the flow difference.

[0022] For the aspects and any possible implementation manners as described above, a further implementation manner is provided. The method further includes:

[0023] Judging whether the current material temperature reaches the target material temperature;

[0024] If the current material temperature reaches the target material temperature, modifying the flow set value of the heating medium to zero.

[0025] According to the second aspect of the present disclosure, a reactor temperature rise rate control device is provided. The device includes:

[0026] A first acquisition module, configured to acquire the current material temperature and the current liquid level in the reactor;

[0027] A second acquisition module, configured to acquire the feed flow rate and feed temperature of the feed in the feed pipeline of the reactor.

[0028] An acquisition module, configured to acquire a preset heating medium flow rate calculation formula.

[0029] A calculation module, configured to calculate a flow rate set value of the heating medium according to the current material temperature, the current liquid level, the feed flow rate, the feed temperature, and the preset heating medium flow rate calculation formula.

[0030] According to a third aspect of the present disclosure, an electronic device is provided. The electronic device includes: a memory and a processor, where a computer program is stored on the memory, and when the processor executes the program, the method as described above is implemented.

[0031] According to a fourth aspect of the present disclosure, a computer-readable storage medium is provided, on which a computer program is stored, and when the program is executed by a processor, the method according to the first aspect of the present disclosure is implemented.

[0032] In the present disclosure, by collecting the current material temperature, the current liquid level, the feed flow rate of the feed, and the feed temperature in the reactor in real time, and then substituting them into the preset heating medium flow rate calculation formula, the flow rate set value of the heating medium can be accurately calculated, so as to facilitate controlling the flow rate of the heating medium entering the reactor by using the flow rate set value of the heating medium, so as to heat the reactor in a timely and effective manner by using the heating medium with an appropriate flow rate, thereby combining the feed of the reactor and the temperature increase operation, which can ensure that the temperature increase rate of the reactor can be timely adjusted and the control lag of the temperature increase rate of the reactor can be reduced. In addition, since the temperature increase operation no longer depends on personnel and the flow rate set value of the heating medium can be automatically calculated, therefore, the temperature increase rate of the reactor is more stable and the fluctuation is smaller.

[0033] It should be understood that the content described in the summary of the invention section is not intended to limit the key or important features of the embodiments of the present disclosure, nor to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] With reference to the accompanying drawings and the following detailed description, the above and other features, advantages, and aspects of the embodiments of the present disclosure will become more apparent. The drawings are used to better understand the solution and do not constitute a limitation to the present disclosure. In the drawings, the same or similar reference numerals represent the same or similar elements, where:

[0035] Figure 1 A flowchart showing a method for controlling the temperature increase rate of a reactor according to an embodiment of the present disclosure is shown;

[0036] Figure 2Shows the schematic diagram of the temperature rise rate control of the reactor according to an embodiment of the present disclosure;

[0037] Figure 3 Shows the comparison chart of the temperature rise rate of the reactor according to an embodiment of the present disclosure;

[0038] Figure 4 Shows the block diagram of the temperature rise rate control device of the reactor according to an embodiment of the present disclosure;

[0039] Figure 5 Shows the block diagram of an exemplary electronic device capable of implementing the embodiments of the present disclosure. Detailed implementation manners

[0040] To make the objectives, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are some but not all of the embodiments of the present disclosure. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present disclosure without creative efforts shall fall within the scope of protection of the present disclosure.

[0041] In addition, the term "and / or" in this article is only a relational description of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this article generally represents an "or" relationship between the associated objects before and after.

[0042] Figure 1 Shows the flowchart of the reactor temperature rise rate control method 100 according to an embodiment of the present disclosure.

[0043] Method 100 may include:

[0044] Step 110, collecting the current material temperature and the current liquid level in the reactor;

[0045] Step 120, collecting the feed flow rate and the feed temperature of the feed on the feed pipeline of the reactor;

[0046] The feed and the material in the reactor are actually the same material. Here, the reactants that have entered the reactor are called materials, and the reactants still on the feed pipeline are called feeds.

[0047] Step 130, obtaining a preset heating medium flow rate calculation formula;

[0048] Step 140, calculating the flow rate set value of the heating medium according to the current material temperature, the current liquid level, the feed flow rate, the feed temperature, and the preset heating medium flow rate calculation formula.

[0049] Furthermore, the flow rate of the heating medium entering the reaction kettle is controlled according to the set value of the heating medium flow rate.

[0050] By collecting in real time the current material temperature, current liquid level, feed flow rate, and feed temperature in the reaction kettle, and then substituting them into the preset heating medium flow rate calculation formula, the set value of the heating medium flow rate can be accurately calculated, thereby facilitating the control of the flow rate of the heating medium entering the reaction kettle using the set value of the heating medium flow rate, so as to heat the reaction kettle in a timely and effective manner using a heating medium with an appropriate flow rate. In this way, the flow rate of the heating medium in the reaction kettle can be adjusted in real time while feeding, so that the feeding and temperature increase operations of the reaction kettle can be combined, ensuring that the temperature rise rate of the reaction kettle can be timely regulated and reducing the control lag of the temperature rise rate of the reaction kettle. In addition, since the temperature rise operation no longer depends on personnel and the set value of the heating medium flow rate can be automatically calculated, the temperature rise rate of the reaction kettle is more stable and the fluctuation is smaller.

[0051] In some embodiments, the preset heating medium flow rate calculation formula includes:

[0052] Wherein:

[0053] FIC - 001 setup is the set value of the flow rate of the heating medium at time t, is the preset correction factor, c is the specific heat capacity, ρ is the material density, H latent is the latent heat of the heating medium, D is the diameter of the reaction kettle (this diameter can be the inner diameter of the reaction kettle), V is the volume of the lower head of the reaction kettle, Lr t is the current liquid level at time t, Tr t is the current feed temperature at time t, Fs t is the feed flow rate at time t, Ts t is the feed temperature at time t, ΔT target is the target temperature rise rate of the reaction kettle.

[0054] In the above preset heating medium flow rate calculation formula, cρ(0.785D 2 Lr t +V)ΔT target is the power required to heat the existing material in the kettle, c×Fs t (Tr t +ΔT target -Ts t ) is the power required to heat the feed on the feed pipeline. Considering the heat dissipation loss of the reaction kettle and some lag disturbances in thermometer measurement, the preset correction factor K is introduced t

The initial value can be 1

[0055] The target temperature rise rate can be a preset desired heating rate, and the target temperature rise rate is variable.

[0056] Through the above preset heating medium flow calculation formula, the heating rate of the reaction kettle can be automatically adjusted, and while feeding the reaction kettle, the flow rate of the heating medium of the reaction kettle can be adjusted in real time to ensure that the temperature rise rate of the reaction kettle can be timely controlled.

[0057] In some embodiments, the steps for obtaining the preset correction factor are as follows:

[0058] Where:

[0059] Δt time Is the preset update time period.

[0060] Due to heat dissipation loss of the reaction kettle and thermometer measurement, some lag disturbances will be brought. Therefore, it is necessary to continuously iteratively update the preset correction factor to ensure the accuracy of the preset correction factor.

[0061] t is the time variable, ΔT target ×Δt time Is for t + Δt time Before the moment of Δt time During the time period, the expected temperature rise calculated according to the target temperature rise rate of the reaction kettle, ΔT measure Is for t + Δt time Before the moment of Δt time During the time period, the actual material temperature rise in the reaction kettle, and according to the deviation between the two, update the time Parameter value at the moment of t + Δt, and according to this After calculating the FIC-001 during the Δt Time period after t through the preset heating medium flow calculation formula time Of FIC-001 setup .

[0062] In some embodiments, a steam trap is connected to the bottom of the reaction kettle.

[0063] In this embodiment, taking the heating medium as steam as an example, assuming that there is no subcooling after the steam condenses and it is directly discharged through the steam trap, then the calculation formula of FIC-001 setup Is as above. If it does not pass through the steam trap, the calculation formula of FIC-001 setup Should be adjusted. Specifically, the denominator H setup In the calculation formula of FIC-001 latent Is adjusted to (Hlatent + sensible heat Q of the heating medium, where Q is the product of the molar amount, molar heat capacity, and temperature difference of the heating medium.

[0064] In some embodiments, the preset update time period is set to 5 - 10 seconds.

[0065] Since the flow rate set value of the heating medium needs to be updated at regular intervals, and the shorter the update interval, the better the adaptive adjustment effect, Δt time is introduced as a variable. Every Δt time time, an adaptive update of the preset correction factor Kt is performed. Δt time should be as small as possible, but too small a value will lead to an increase in the calculation load. It is recommended that Δt time be set to 5 - 10 s.

[0066] In some embodiments, the method further includes:

[0067] Obtaining the current flow rate value of the heating medium;

[0068] Calculating the absolute value of the flow rate difference between the flow rate set value of the heating medium and the current flow rate value;

[0069] Adjusting the opening degree of the flow valve on the heating medium pipeline of the reaction kettle according to the absolute value of the flow rate difference.

[0070] After obtaining the current flow rate value of the heating medium, the absolute value of the flow rate difference between the flow rate set value of the heating medium and the current flow rate value can be calculated, and then, according to the absolute value of the flow rate difference, the opening degree FV1 of the flow valve on the heating medium pipeline of the reaction kettle can be accurately adjusted, so that the flow rate of the heating medium on the heating medium pipeline reaches the flow rate set value of the heating medium.

[0071] In some embodiments, the method further includes:

[0072] Judging whether the current material temperature reaches the target material temperature;

[0073] If the current material temperature reaches the target material temperature, the flow rate set value of the heating medium is modified to zero.

[0074] By continuously judging whether the current material temperature reaches the target material temperature in real time, when the current material temperature reaches the target material temperature, the flow rate set value of the heating medium can be modified to zero, so as to stop adding the heating medium to the reaction kettle.

[0075] The following will further illustrate the technical solution of the present disclosure in conjunction with Figure 2 to further illustrate the technical solution of the present disclosure:

[0076] An adaptive temperature rise rate control system for a reactor comprises the following parts:

[0077] A reactor of kettle type or other types that needs to be heated, which can be heated by means of an external jacket, an external sleeve pipe, an internal coil pipe, an external circulation, etc., while continuously feeding materials. When feeding materials, the expected target temperature rise rate is achieved. The diameter D of the reactor

can be obtained according to the reactor design data and is used to calculate the material inventory in the reactor

[0078] A separate flowmeter and thermometer are provided on the feed pipeline of the reactor to measure the mass flow rate Fs and temperature Ts of the feed. FIC-002 is used to adjust the feed quantity; a pressure gauge, a thermometer, and a flowmeter are provided on the heating medium pipeline to measure the pressure Ph, temperature Th, and mass flow rate Fh of the heating medium in real time. FIC-001 is a control valve FV1 for controlling the flow rate of the heating medium; a thermometer is provided on the reactor to collect the temperature and liquid level Tr and Lr of the materials in the reactor in real time. The collected data of Tr, Fs, Ts, Fh, and Lr are sent into Fx-001, and according to the preset heating medium flow rate calculation formula, the set value FIC-001 of the new FIC-001 is output. setup , and the opening degree of FV1 is adjusted to achieve the expected target temperature rise rate.

[0079] The specific calculation method is as follows:

[0080] Step 1:

[0081] First, establish a preset heating medium flow rate calculation formula:

[0082]

[0083] Wherein the diameter D of the reactor, the specific heat capacity c of the material, the material density ρ, the volume V of the lower head, and the latent heat H of the heating medium latent are known. ΔT target is the target temperature rise rate. K t is a preset correction factor, and the initial value is 1.

[0084] Program the preset heating medium flow rate calculation formula into the calculation control module Fx-001.

[0085] Collect the current feed temperature Tr t , the current liquid level Lr t , the feed flow rate Fs at time t t , and the feed temperature Ts at time t t in real time, substitute them into formula (1) for calculation, and obtain the flow rate set value FIC-001 of the heating medium at time t setup , and then control the FV1 valve for adjustment.

[0086] Step 2:

[0087] After the adjustment of Δt time After the adjustment of time, according to Δt time Compare the actual temperature rise rate within the time with the target temperature rise rate, and calculate and correct K according to Equation (2). t Then perform the next calculation.

[0088]

[0089]

[0090] Among them, t is the time variable, and ΔT target ×Δt time is the expected temperature rise calculated according to the target temperature rise rate of the reactor within the Δt time period before the moment of t + Δt, and ΔT time is the actual temperature rise of the materials in the reactor within the Δt time period before the moment of t + Δt. time is the expected temperature rise calculated according to the target temperature rise rate of the reactor within the Δt time period before the moment of t + Δt. measure is the moment of t + Δt time is the Δt time period before the moment time is the actual temperature rise of the materials in the reactor within the Δt time period before the moment of t + Δt.

[0091] Δt time It is recommended that the value of Δt be within 5 - 10 s, and it can also be appropriately extended.

[0092] Step 3:

[0093] Repeat the above two steps in sequence. According to the updated K t value, recalculate FIC-001 within the next Δt time time period. After adjustment, correct the K setup value until the feeding and heating process ends. When the current material temperature reaches the target material temperature, set the set value of the heating medium flow controller to 0, that is, set FIC-001 in t to zero, that is, set FV1 to 0. Figure 2 to zero, that is, set FV1 to 0.

[0094] Taking Figure 3 as an example, Figure 3 (Left) is the schematic diagram of the temperature rise rate of the reactor when the temperature rise rate control method of the reactor disclosed in the present disclosure is not used, Figure 3 (Right) is the schematic diagram of the temperature rise rate of the reactor after using the temperature rise rate control method of the reactor disclosed in the present disclosure. Through the comparison and analysis of the results, after adopting the control method of the present disclosure, the stability of the reaction rate control is greatly enhanced. At the same time, since the method of the present disclosure performs the feeding and temperature rise processes simultaneously, the operation time of the reactor batch is shortened and the production capacity is improved.

[0095] It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should be aware that the present disclosure is not limited by the described action sequence, because according to the present disclosure, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in the specification are all optional embodiments, and the actions and modules involved are not necessarily essential to the present disclosure.

[0096] The above is the introduction to the method embodiments. The following further illustrates the solution of the present disclosure through device embodiments.

[0097] Figure 4 FIG. shows a block diagram of a reactor temperature rise rate control device 400 according to an embodiment of the present disclosure. As Figure 4 shown, the device 400 includes:

[0098] A first acquisition module 410 for acquiring the current material temperature and the current liquid level in the reactor;

[0099] A second acquisition module 420 for acquiring the feed flow rate and the feed temperature of the feed on the feed pipeline of the reactor;

[0100] An acquisition module 430 for acquiring a preset heating medium flow rate calculation formula;

[0101] A calculation module 440 for calculating a flow rate set value of the heating medium according to the current material temperature, the current liquid level, the feed flow rate, the feed temperature, and the preset heating medium flow rate calculation formula.

[0102] Those skilled in the art can clearly understand that for the convenience and brevity of description, the specific working processes of the described modules can refer to the corresponding processes in the foregoing method embodiments and will not be elaborated herein.

[0103] According to an embodiment of the present disclosure, the present disclosure also provides an electronic device and a non-transitory computer-readable storage medium storing computer instructions.

[0104] Figure 5FIG. 0 shows a schematic block diagram of an electronic device 800 that can be used to implement embodiments of the present disclosure. The electronic device is intended to represent various forms of digital computers, such as, laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The electronic device can also represent various forms of mobile devices, such as, personal digital processors, cellular phones, smart phones, wearable devices, and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely exemplary and are not intended to limit the implementation of the present disclosure described and / or claimed herein.

[0105] The device 800 includes a computing unit 801 that can perform various appropriate actions and processes according to a computer program stored in a read-only memory (ROM) 802 or a computer program loaded from a storage unit 808 into a random access memory (RAM) 803. In the RAM 803, various programs and data required for the operation of the device 800 can also be stored. The computing unit 801, the ROM 802, and the RAM 803 are connected to each other via a bus 804. An input / output (I / O) interface 805 is also connected to the bus 804.

[0106] A plurality of components in the device 800 are connected to the I / O interface 805, including: an input unit 806, such as a keyboard, a mouse, etc.; an output unit 807, such as various types of displays, speakers, etc.; a storage unit 808, such as a magnetic disk, an optical disk, etc.; and a communication unit 809, such as a network card, a modem, a wireless communication transceiver, etc. The communication unit 809 allows the device 800 to exchange information / data with other devices via a computer network such as the Internet and / or various telecommunication networks.

[0107] The computing unit 801 can be various general-purpose and / or special-purpose processing components with processing and computing capabilities. Some examples of the computing unit 801 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various dedicated artificial intelligence (AI) computing chips, various computing units running machine learning model algorithms, a digital signal processor (DSP), and any suitable processor, controller, microcontroller, etc. The computing unit 801 executes the various methods and processes described above, such as method 100. For example, in some embodiments, method 100 may be implemented as a computer software program tangibly embodied in a machine-readable medium, such as the storage unit 808. In some embodiments, part or all of the computer program may be loaded and / or installed onto the device 800 via the ROM 802 and / or the communication unit 809. When the computer program is loaded into the RAM 803 and executed by the computing unit 801, one or more steps of method 100 described above may be executed. Alternatively, in other embodiments, the computing unit 801 may be configured to execute method 100 in any other suitable manner (e.g., by means of firmware).

[0108] Various embodiments of the systems and techniques described above in this document can be implemented in digital electronic circuit systems, integrated circuit systems, field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), application-specific standard products (ASSPs), systems-on-a-chip (SOCs), complex programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various embodiments can include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special-purpose or general-purpose programmable processor, receiving data and instructions from a storage system, at least one input device, and at least one output device, and transmitting the data and instructions to the storage system, the at least one input device, and the at least one output device.

[0109] The program code for implementing the methods of the present disclosure can be written in any combination of one or more programming languages. These program codes can be provided to a processor or controller of a general-purpose computer, a special-purpose computer, or other programmable data processing device, such that when the program code is executed by the processor or controller, the functions / operations specified in the flowchart and / or block diagram are implemented. The program code can be executed entirely on the machine, partially on the machine, as an independent software package partially on the machine and partially on a remote machine, or entirely on a remote machine or server.

[0110] In the context of this disclosure, a machine-readable medium can be a tangible medium that can contain or store a program for use by or in connection with an instruction execution system, apparatus, or device. A machine-readable medium can be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium can include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatus, or devices, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or Flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0111] In order to provide interaction with a user, the systems and techniques described herein can be implemented on a computer having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which the user can provide input to the computer. Other kinds of devices can also be used to provide interaction with the user; for example, the feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user can be received in any form (including acoustic input, speech input, or tactile input).

[0112] The systems and techniques described herein can be implemented in a computing system including backend components (e.g., as a data server), or a computing system including middleware components (e.g., an application server), or a computing system including frontend components (e.g., a user computer having a graphical user interface or a web browser through which the user can interact with an implementation of the systems and techniques described herein), or a computing system including any combination of such backend components, middleware components, or frontend components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: a local area network (LAN), a wide area network (WAN), and the Internet.

[0113] A computing system can include a client and a server. The client and the server are generally remote from each other and typically interact through a communication network. The client-server relationship is generated by computer programs running on the respective computers and having a client-server relationship with each other. The server can be a cloud server, can also be a server of a distributed system, or a server incorporating a blockchain.

[0114] It should be understood that the various forms of processes shown above can be used, with steps reordered, added or deleted. For example, the steps recited in the disclosure of the present invention can be executed in parallel, sequentially or in a different order, as long as the desired results of the technical solution disclosed in the present disclosure can be achieved, and no limitation is imposed herein.

[0115] The above specific embodiments do not constitute a limitation on the protection scope of the present disclosure. Those skilled in the art should understand that various modifications, combinations, sub - combinations and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present disclosure shall be included within the protection scope of the present disclosure.

Claims

1. A method for controlling the temperature rise rate of a reaction kettle, characterized in that, Including: Collect the current material temperature and the current liquid level in the reactor; Collect the feed flow rate and the feed temperature of the feed on the feed pipeline of the reactor; Obtain a preset heating medium flow rate calculation formula; Calculate the flow rate set value of the heating medium according to the current material temperature, the current liquid level, the feed flow rate, the feed temperature, and the preset heating medium flow rate calculation formula.

2. The method according to claim 1, wherein The preset heating medium flow rate calculation formula includes: Wherein: FIC-001 setup is the flow rate set value of the heating medium at time t, is the preset correction factor, c is the specific heat capacity of the material, ρ is the material density, H latent is the latent heat of the heating medium, D is the diameter of the reactor, V is the volume of the lower head of the reactor, Lr t is the current liquid level at time t, Tr t is the current feed temperature at time t, Fs t is the feed flow rate at time t, Ts t is the feed temperature at time t, ΔT target is the target temperature rise rate of the reactor.

3. The method according to claim 2, wherein The steps for obtaining the preset correction factor are as follows: Wherein: Δt time is a preset update time period.

4. The method according to claim 2, wherein A steam trap is connected to the bottom of the reactor.

5. The method according to claim 3, wherein The preset update time period takes a value of 5 to 10 seconds.

6. The method according to claim 1, characterized in that, The method further includes: Obtain the current flow rate value of the heating medium; Calculate the absolute value of the flow rate difference between the flow rate set value of the heating medium and the current flow rate value; Adjust the opening degree of the flow valve on the heating medium pipeline of the reactor according to the absolute value of the flow rate difference.

7. The method according to any one of claims 1 to 6, characterized in that, The method further includes: Judge whether the current material temperature reaches the target material temperature; If the current material temperature reaches the target material temperature, modify the flow rate set value of the heating medium to zero.

8. A reactor temperature rise rate control device, characterized in that Including: A first collection module for collecting the current material temperature and the current liquid level in the reactor; A second collection module for collecting the feed flow rate and the feed temperature of the feed on the feed pipeline of the reactor; An obtaining module for obtaining a preset heating medium flow rate calculation formula; A calculation module for calculating the flow rate set value of the heating medium according to the current material temperature, the current liquid level, the feed flow rate, the feed temperature, and the preset heating medium flow rate calculation formula.

9. An electronic device, characterized in that, Including: At least one processor; And a memory communicatively connected to the at least one processor; Wherein, the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor so that the at least one processor can execute the method according to any one of claims 1-7.

10. A non-transitory computer-readable storage medium storing computer instructions, characterized in that, The computer instructions are used to cause the computer to execute the method according to any one of claims 1-7.

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