Method and device for program-controlled starting of steam compressor driven by small steam turbine

Abstract

The invention provides a program control starting method and device for a steam compressor driven by a small steam turbine, and relates to the technical field of automatic control. The method comprises a starting module used for controlling from a static state to barring starting completion, wherein barring starting completion includes that a barring motor is operated, a steam turbine system vacuum pump is operated and a system warm-up time timing logic algorithm is operated. And the rated rotating speed module is used for controlling from the turning state to the rising of the system rotating speed to the rated rotating speed, wherein the rising of the system rotating speed to the rated rotating speed comprises stopping of a turning motor, running of a steam turbine speed rising curve control logic and rising of the steam turbine to the rated rotating speed. A distributed control system (DCS) which is widely applied in the industrial control field is used for achieving the program starting control process of a small steam turbine-steam compressor system from a static state to starting of auxiliary machine equipment, starting of a turning gear and increasing of the system to the rated rotating speed.

Description

Technical Field

[0001] This invention relates to the field of automation control technology, and in particular to a method and apparatus for programmable start-up of a small steam turbine-driven steam compressor. Background Technology

[0002] The production method of using a small steam turbine as a power unit to drive a centrifugal or other type of gas compressor to compress low-grade (low pressure, low temperature) steam into high-grade (high pressure, high temperature) steam is gradually being applied in industrial production. However, this method requires operators to conduct inspections and confirmations to establish a proper startup sequence, resulting in a lengthy startup process and high manpower consumption. This control method integrates the startup processes of both small steam turbines and steam compressors, utilizing a widely used DCS (Distributed Control System) to integrate various execution and feedback signals to achieve programmed startup control of the entire system. Distributed Control Systems (DCS) are widely used in industrial control. They implement control processes by constructing control logic in the application software of the DCS system and receive and output signals through related hardware configurations.

[0003] On the one hand, a control method for the programmed start-up of a small steam turbine-driven steam compressor is provided. This method is implemented by a control device for the programmed start-up of the small steam turbine-driven steam compressor, including a start-up module and a rated speed module. Its characteristic is that it includes: Start-up module: Used for control from a stationary state until the turning gear start-up is complete, including start-up permission unit 1, start-up permission unit 2, start-up permission unit 3, start-up permission unit 4, and start-up permission unit 5. The start-up permission unit 1 includes a step sequence 1 command and its output. The start-up permission unit 2 includes a step sequence 2 command and its output. The start-up permission unit 3 includes a step sequence 3 command and its output. The start-up permission unit 4 includes a step sequence 4 command and its output. The start-up permission unit 5 includes a step sequence 5 command and its output. The output of the step sequence 3 command includes a feedback signal that the turning gear motor is running. The output of the step sequence 4 command includes a feedback signal that the turbine system vacuum pump is running. The output of the step sequence 5 command includes a feedback signal that the system warm-up time timing logic algorithm is running. Rated speed module: Used for controlling the system speed to increase from the turning gear state to the rated speed, including start-up permission unit 6, start-up permission unit 7, start-up permission unit 8, and start-up permission unit 9. The start-up permission unit 6 includes step sequence 6 instructions and the output of step sequence 6 instructions. The start-up permission unit 7 includes step sequence 7 instructions and the output of step sequence 7 instructions. The start-up permission unit 8 includes step sequence 8 instructions and the output of step sequence 8 instructions. The start-up permission unit 9 includes step sequence 9 instructions and the output of step sequence 9 instructions. The output of step sequence 7 instructions includes feedback on the turning gear motor stop status. The output of step sequence 8 instructions includes feedback signal that the turbine speed-up curve control logic has been run. The output of step sequence 9 instructions includes feedback signal that the turbine has been controlled to increase to the rated speed.

[0004] Preferably, the starting module of S1 is used for control from a stationary state until the turning gear start-up is completed, including a starting permission unit 1, a starting permission unit 2, a starting permission unit 3, a starting permission unit 4, and a starting permission unit 5. The starting permission unit 1 includes a step sequence 1 command and its output; the starting permission unit 2 includes a step sequence 2 command and its output; the starting permission unit 3 includes a step sequence 3 command and its output; the starting permission unit 4 includes a step sequence 4 command and its output; and the starting permission unit 5 includes a step sequence 5 command and its output. The output of the step sequence 3 command includes a feedback signal indicating that the turning gear motor is running; the output of the step sequence 4 command includes a feedback signal indicating that the turbine system vacuum pump is running; and the output of the step sequence 5 command includes a feedback signal indicating that the system warm-up time timing logic algorithm has run. Preferably, the startup permission unit includes: Check the commissioning conditions of the small steam turbine steam sealing system and obtain a signal that the commissioning conditions of the small steam turbine steam sealing system are met. Check the commissioning conditions of the steam supply system for the steam compressor seal, and obtain a signal that the commissioning conditions of the steam supply system for the steam compressor seal are met; Manual confirmation was performed, and manual confirmation signal 2 was obtained; Based on the output of step sequence 1, the signal that the small turbine steam seal system is in operation, the signal that the steam supply system of the compressor steam seal is in operation, and the manual confirmation signal 2, step sequence 2 is activated and the output of step sequence 2 is obtained. Step sequence 2 includes starting the lubricating oil pump, and the output of step sequence 2 includes a feedback signal that the lubricating oil pump is running. Based on the output of step 2 instruction, activate step 3 instruction and obtain the output of step 3 instruction. Step 3 instruction includes starting the turning gear motor, and the output of step 3 instruction includes a feedback signal that the turning gear motor is running.

[0005] Preferably, the startup permission unit includes: Start the shaft seal steam supply electric valve and receive a feedback signal that the shaft seal steam supply electric valve is running; Start the shaft seal cooler fan and receive a feedback signal that the shaft seal cooler fan is running; Based on the output of step 3, the feedback signal that the shaft seal steam supply electric valve is running, and the feedback signal that the shaft seal cooler fan is running, step 4 is activated and the output of step 4 is obtained. Step 4 includes starting the turbine system vacuum pump, and the output of step 4 includes the feedback signal that the turbine system vacuum pump is running.

[0006] Preferably, the startup permission unit includes: Check the commissioning conditions of the small steam turbine system's condensate system and obtain feedback signals indicating that the commissioning conditions of the small steam turbine system's condensate system are met. Check the commissioning conditions of the respective condensate systems of the steam compressor system, and obtain feedback signals that the commissioning conditions of the respective condensate systems of the steam compressor system are met; Manual confirmation was performed, and a manual confirmation signal 3 was obtained. Based on the output of step 4 instruction, the feedback signal that the commissioning conditions of the small turbine system's condensate system are met, the feedback signal that the commissioning conditions of the respective condensate systems of the compressor system are met, and the manual confirmation signal 3, step 5 instruction is activated and the output of step 5 instruction is obtained. Step 5 instruction includes starting the system warm-up time timing logic algorithm, and the output of step 5 instruction includes the feedback signal that the system warm-up time timing logic algorithm has been run.

[0007] Preferably, the startup permission unit includes: Check the system warm-up timer and obtain a feedback signal indicating that the system warm-up timer meets the requirements; Check the lubricating oil pressure and obtain a feedback signal that the lubricating oil pressure meets the requirements; Check the lubricating oil temperature and obtain a feedback signal that the lubricating oil temperature meets the requirements; The cooling water system was inspected, and feedback signals indicating that the cooling water system met the requirements were obtained. Check the shaft seal pressure and obtain a feedback signal indicating that the shaft seal pressure meets the requirements; Check the shaft seal temperature and obtain a feedback signal indicating that the shaft seal temperature meets the requirements; Check the turbine vacuum and obtain a feedback signal that the turbine vacuum meets the requirements; Based on the output of step 5 instruction, feedback signals indicating that the system warm-up time meets requirements, feedback signals indicating that the lubricating oil pressure meets requirements, feedback signals indicating that the lubricating oil temperature meets requirements, feedback signals indicating that the cooling water system meets requirements, feedback signals indicating that the shaft seal pressure meets requirements, feedback signals indicating that the shaft seal temperature meets requirements, and feedback signals indicating that the turbine vacuum meets requirements, step 6 instruction is activated and the output of step 6 instruction is obtained. Step 6 instruction includes opening the turbine main steam valve and setting the turbine regulating valve opening to 5%, respectively. The output of step 6 instruction includes feedback signals indicating that the turbine main steam valve is open and feedback signals indicating that the turbine regulating valve opening is set. Check the turbine speed and obtain a feedback signal that the turbine speed is higher than the selected set value; Based on the output of step 6 instruction and the feedback signal that the turbine speed is higher than the selected set value, step 7 instruction is activated and the output of step 7 instruction is obtained. Step 7 instruction includes stopping the barring motor. The output of step 7 instruction includes feedback on the stop status of the barring motor. Based on the output of step 7 instruction, activate step 8 instruction and obtain the output of step 8 instruction. Step 8 instruction includes activating the turbine speed-up curve control logic. The output of step 8 instruction includes the turbine speed-up curve control logic running feedback signal.

[0008] Preferably, the startup permission unit includes: The system warm-up timer was checked, and a feedback signal indicating that the system warm-up timer had ended was received. Upon inspection of the steam turbine, a feedback signal was received indicating that the steam turbine had reached the medium-speed warm-up value. Check the medium-speed warm-up time and receive a feedback signal that the medium-speed warm-up time meets the requirements; Manual confirmation was performed, and a manual confirmation signal 4 was obtained. Based on the output of step sequence 8, the feedback signal that the system warm-up time has ended, the feedback signal that the turbine has been accelerated to the medium-speed warm-up value, the feedback signal that the medium-speed warm-up time meets the requirements, and the manual confirmation signal 4, step sequence 9 is activated and the output of step sequence 9 is obtained. Step sequence 9 includes controlling the turbine to accelerate to the rated speed, and the output of step sequence 9 includes the feedback signal that the turbine has accelerated to the rated speed.

[0009] On the other hand, a control device for the programmed start-up of a small steam turbine-driven steam compressor is provided. This device is applied to a control method for the programmed start-up of a small steam turbine-driven steam compressor. The device includes: Start-up Module: Used for control from a standstill state until the turning gear start-up is complete, including Start-up Allow 1 Unit, Start-up Allow 2 Unit, Start-up Allow 3 Unit, Start-up Allow 4 Unit, and Start-up Allow 5 Unit. Start-up Allow 1 Unit includes a step sequence 1 command and its output. Start-up Allow 2 Unit includes a step sequence 2 command and its output. Start-up Allow 3 Unit includes a step sequence 3 command and its output. Start-up Allow 4 Unit includes a step sequence 4 command and its output. Start-up Allow 5 Unit includes a step sequence 5 command and its output. The output of step sequence 3 command includes a feedback signal indicating that the turning gear motor is running. The output of step sequence 4 command includes a feedback signal indicating that the turbine system vacuum pump is running. The output of step sequence 5 command includes a feedback signal indicating that the system warm-up time timing logic algorithm is running. Rated speed module: Used for controlling the system speed to increase from the turning gear state to the rated speed. It includes start-up permission unit 6, start-up permission unit 7, start-up permission unit 8, and start-up permission unit 9. Start-up permission unit 6 includes a step sequence 6 command and its output. Start-up permission unit 7 includes a step sequence 7 command and its output. Start-up permission unit 8 includes a step sequence 8 command and its output. Start-up permission unit 9 includes a step sequence 9 command and its output. The output of step sequence 7 includes feedback on the turning gear motor's stop status. The output of step sequence 8 includes feedback on the turbine speed-up curve control logic being operational. The output of step sequence 9 includes feedback on controlling the turbine to increase to the rated speed.

[0010] On the other hand, a control device for the programmed start-up of a small steam turbine-driven steam compressor is provided. The control device for the programmed start-up of the small steam turbine-driven steam compressor includes: a processor; a memory, wherein the memory stores computer-readable instructions, and when the computer-readable instructions are executed by the processor, the method described in any one of the above-described control methods for the programmed start-up of a small steam turbine-driven steam compressor is implemented.

[0011] On the other hand, a computer-readable storage medium is provided, characterized in that the computer-readable storage medium stores program code, which can be invoked by a processor to execute the method as described in any one of claims 1 to 7. Summary of the Invention

[0012] To address the technical problems of existing technologies that use small steam turbines as power units to drive steam compressors, where the control strategy requires operators to conduct inspections and confirmations to establish the correct startup sequence, resulting in a long startup process and high manpower consumption, this invention provides a method and apparatus for programmable startup of a small steam turbine-driven steam compressor. The technical solution is as follows:

[0013] The beneficial effects of the technical solutions provided in the embodiments of the present invention include at least the following: This is a programmed process control system used to drive centrifugal or other types of gas compressors powered by small steam turbines, compressing low-grade (low pressure, low temperature) steam into high-grade (high pressure, high temperature) steam. Specifically, it utilizes a distributed control system (DCS), widely used in industrial control, to realize the programmed start-up control process of the "small steam turbine-steam compressor" system from a static state to the start-up of auxiliary equipment, turning gear start-up, and finally the system speed-up to rated speed. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a system diagram of a small steam turbine-driven steam compressor programmable start-up provided in an embodiment of the present invention; Figure 2 This is a control algorithm logic diagram provided in an embodiment of the present invention; Figure 3 This is a block diagram of a device for programmable start-up of a small steam turbine-driven steam compressor provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of a device for programmable start-up of a small steam turbine-driven steam compressor provided in an embodiment of the present invention. Detailed Implementation

[0016] The technical solution of the present invention will now be described with reference to the accompanying drawings.

[0017] In embodiments of the present invention, words such as "exemplarily," "for example," etc., are used to indicate that something is an example, illustration, or description. Any embodiment or design described as "exemplary" in the present invention should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of the word "exemplary" is intended to present the concept in a concrete manner. Furthermore, in embodiments of the present invention, the meaning expressed by "and / or" can be both, or either one.

[0018] In the embodiments of this invention, the terms "image" and "picture" may sometimes be used interchangeably. It should be noted that, without emphasizing the distinction between them, they convey the same meaning. Similarly, the terms "of," "corresponding (relevant)," and "corresponding" may sometimes be used interchangeably. It should be noted that, without emphasizing the distinction between them, they convey the same meaning.

[0019] In this embodiment of the invention, sometimes a subscript such as W1 may be written in a non-subscript form such as W1. When the difference is not emphasized, the meaning they express is the same.

[0020] To make the technical problems, technical solutions and advantages of the present invention clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0021] This invention provides a method for programmable starting of a steam compressor driven by a small steam turbine. This method can be implemented using a programmable starting device for the small steam turbine-driven steam compressor, which can be a terminal or a server. Figure 1 The flowchart shown illustrates a method for programmable start-up of a small steam turbine-driven steam compressor. This method may include the following steps:

[0022] Start-up module: Used for control from a stationary state until the turning gear start-up is complete, including start-up permission unit 1, start-up permission unit 2, start-up permission unit 3, start-up permission unit 4, and start-up permission unit 5. The start-up permission unit 1 includes a step sequence 1 command and its output. The start-up permission unit 2 includes a step sequence 2 command and its output. The start-up permission unit 3 includes a step sequence 3 command and its output. The start-up permission unit 4 includes a step sequence 4 command and its output. The start-up permission unit 5 includes a step sequence 5 command and its output. The output of the step sequence 3 command includes a feedback signal that the turning gear motor is running. The output of the step sequence 4 command includes a feedback signal that the turbine system vacuum pump is running. The output of the step sequence 5 command includes a feedback signal that the system warm-up time timing logic algorithm is running. Preferably, the start-up permission unit includes: Check the commissioning conditions of the auxiliary equipment cooling water system and obtain a signal that the commissioning conditions of the auxiliary equipment cooling water system are met; Check the operating conditions of the auxiliary equipment lubrication oil system and obtain a signal that the operating conditions of the auxiliary equipment lubrication oil system are met; Manual confirmation is performed, and manual confirmation signal 1 is obtained; Based on the signals that the auxiliary equipment cooling water system and the auxiliary equipment lubrication oil system are ready for operation, and the manual confirmation signal 1, the step sequence 1 instruction is activated and the output of the step sequence 1 instruction is obtained. The step sequence 1 instruction includes starting the lubrication oil tank exhaust fan, starting the common circulating cooling water pump, and starting the condensate pump. The output of the step sequence 1 instruction includes feedback signals that the lubrication oil tank exhaust fan is running, feedback signals that the circulating cooling water pump is running, and feedback signals that the condensate pump is running.

[0023] Preferably, the start-up permission unit includes: Check the commissioning conditions of the small steam turbine steam sealing system and obtain a signal that the commissioning conditions of the small steam turbine steam sealing system are met. Check the commissioning conditions of the steam supply system for the steam compressor seal, and obtain a signal that the commissioning conditions of the steam supply system for the steam compressor seal are met; Manual confirmation was performed, and manual confirmation signal 2 was obtained; Based on the output of step sequence 1, the signal that the small turbine steam seal system is in operation, the signal that the steam supply system of the compressor steam seal is in operation, and the manual confirmation signal 2, step sequence 2 is activated and the output of step sequence 2 is obtained. Step sequence 2 includes starting the lubricating oil pump, and the output of step sequence 2 includes a feedback signal that the lubricating oil pump is running.

[0024] Preferably, the start-up permission unit includes: Based on the output of step 2 instruction, activate step 3 instruction and obtain the output of step 3 instruction. Step 3 instruction includes starting the turning gear motor, and the output of step 3 instruction includes a feedback signal that the turning gear motor is running.

[0025] Preferably, the start-up permission unit 4 includes: Start the shaft seal steam supply electric valve and receive a feedback signal that the shaft seal steam supply electric valve is running; Start the shaft seal cooler fan and receive a feedback signal that the shaft seal cooler fan is running; Based on the output of step 3, the feedback signal that the shaft seal steam supply electric valve is running, and the feedback signal that the shaft seal cooler fan is running, step 4 is activated and the output of step 4 is obtained. Step 4 includes starting the turbine system vacuum pump, and the output of step 4 includes the feedback signal that the turbine system vacuum pump is running.

[0026] Preferably, the start-up permission unit includes: Check the commissioning conditions of the small steam turbine system's condensate system and obtain feedback signals indicating that the commissioning conditions of the small steam turbine system's condensate system are met. Check the commissioning conditions of the respective condensate systems of the steam compressor system, and obtain feedback signals that the commissioning conditions of the respective condensate systems of the steam compressor system are met; Manual confirmation was performed, and a manual confirmation signal 3 was obtained. Based on the output of step 4 instruction, the feedback signal that the commissioning conditions of the small turbine system's condensate system are met, the feedback signal that the commissioning conditions of the respective condensate systems of the compressor system are met, and the manual confirmation signal 3, step 5 instruction is activated and the output of step 5 instruction is obtained. Step 5 instruction includes starting the system warm-up time timing logic algorithm, and the output of step 5 instruction includes the feedback signal that the system warm-up time timing logic algorithm has been run.

[0027] In some embodiments, the programmable start-up system of a small steam turbine-driven steam compressor is configured by constructing various equipment status information, comprehensive status information, program control algorithm modules and control commands in a distributed control system (DCS).

[0028] It should be noted that the startup module consists of device status feedback signals related to each program control step sequence, comprehensive judgment status signals, sequential control algorithm blocks, and startup command output signals.

[0029] It should be further explained that there are 5 "startup enable" algorithm points, namely "startup enable 1", "startup enable 2", "startup enable 3", "startup enable 4" and "startup enable 5". Each startup enable algorithm point is connected to one of the 5 startup enable pins of the startup module. At the same time, the startup module contains 5 "instruction output" algorithm points, namely "step sequence 1 instruction", "step sequence 2 instruction", "step sequence 3 instruction", "step sequence 4 instruction" and "step sequence 5 instruction". Each startup instruction algorithm point is connected to the output pin of the startup module to complete the output of signal instructions.

[0030] Preferably, the start-allow algorithm point and the instruction output algorithm point correspond one-to-one, that is, "start-allow 1" corresponds to "step 1 instruction", that is, when the "start-allow 1" condition is met, the "step 1 instruction" is immediately triggered to output. The other start-allow algorithm points and step instructions have the same meaning as described above.

[0031] Preferably, "Start-up Allow 1" consists of three parts: "Auxiliary Equipment Cooling Water System Operation Conditions Met Signal", "Auxiliary Equipment Lubricating Oil System Operation Conditions Met Signal", and "Manual Confirmation 1". The three signals are connected by an "AND" algorithm block. When all three signals are met, the true value of the "AND" algorithm block is "1". The "Step 1 Instruction" corresponding to "Start-up Allow 1" outputs three signals to start the lubricating oil tank exhaust fan (common), the circulating cooling water pump, and the condensate pump, respectively.

[0032] Preferably, "Start-up Allow 2" consists of five parts: feedback signals for "Lubricating oil tank exhaust fan is running", "Circulating cooling water pump is running", "Condensate pump is running", "Steam supply system commissioning conditions of small turbine steam seal system and compressor steam seal are met", and "Manual confirmation 2" signal. The five signals are connected by an "AND" algorithm block. When all five signals are met, the true value of the "AND" algorithm block is "1". At this time, the "Step 2 instruction" corresponding to "Start-up Allow 2" outputs the start instruction to start the lubricating oil pump.

[0033] Preferably, the "lubricating oil pump is running" status feedback constitutes the "start allow 3" signal. When the true value of the "start allow 3" signal status is "1", the "step sequence 3 command" issues a start command to start the turning gear motor.

[0034] Preferably, the "turning gear motor is running" status feedback constitutes the "start allow 4" signal. When the true value of the "start allow 4" signal status is "1", the "step sequence 4 command" issues a start command to start the shaft seal steam supply electric valve, shaft seal cooler fan, and turbine system vacuum pump respectively.

[0035] Preferably, "Start-up Allow 5" consists of three parts: a feedback signal that "the commissioning conditions of the small turbine system's condensate system are met", a feedback signal that "the commissioning conditions of the respective condensate systems of the compressor systems are met", and a feedback signal that "manual confirmation 3". The three parts are connected by an "AND" algorithm block. When all three parts are met, the "AND" algorithm block outputs the true value "1". At this time, the "Step Sequence 5 Instruction" corresponding to "Start-up Allow 5" outputs the start instruction, starting the system warm-up time timing logic algorithm.

[0036] Rated speed module: Used for controlling the system speed to increase from the turning gear state to the rated speed, including start-up permission unit 6, start-up permission unit 7, start-up permission unit 8, and start-up permission unit 9. The start-up permission unit 6 includes step sequence 6 instructions and the output of step sequence 6 instructions. The start-up permission unit 7 includes step sequence 7 instructions and the output of step sequence 7 instructions. The start-up permission unit 8 includes step sequence 8 instructions and the output of step sequence 8 instructions. The start-up permission unit 9 includes step sequence 9 instructions and the output of step sequence 9 instructions. The output of step sequence 7 instructions includes feedback on the turning gear motor stop status. The output of step sequence 8 instructions includes feedback signal that the turbine speed-up curve control logic has been run. The output of step sequence 9 instructions includes feedback signal that the turbine has been controlled to increase to the rated speed.

[0037] Preferably, the start-up permission unit 6 includes: Check the system warm-up timer and obtain a feedback signal indicating that the system warm-up timer meets the requirements; Check the lubricating oil pressure and obtain a feedback signal that the lubricating oil pressure meets the requirements; Check the lubricating oil temperature and obtain a feedback signal that the lubricating oil temperature meets the requirements; The cooling water system was inspected, and feedback signals indicating that the cooling water system met the requirements were obtained. Check the shaft seal pressure and obtain a feedback signal indicating that the shaft seal pressure meets the requirements; Check the shaft seal temperature and obtain a feedback signal indicating that the shaft seal temperature meets the requirements; Check the turbine vacuum and obtain a feedback signal that the turbine vacuum meets the requirements; Based on the output of step 5 instruction, feedback signals indicating that the system warm-up time meets requirements, feedback signals indicating that the lubricating oil pressure meets requirements, feedback signals indicating that the lubricating oil temperature meets requirements, feedback signals indicating that the cooling water system meets requirements, feedback signals indicating that the shaft seal pressure meets requirements, feedback signals indicating that the shaft seal temperature meets requirements, and feedback signals indicating that the turbine vacuum meets requirements, step 6 instruction is activated and the output of step 6 instruction is obtained. Step 6 instruction includes opening the turbine main steam valve and setting the turbine regulating valve opening to 5%, respectively. The output of step 6 instruction includes feedback signals indicating that the turbine main steam valve is open and feedback signals indicating that the turbine regulating valve opening is set.

[0038] Preferably, the activation permission unit 7 includes: Check the turbine speed and obtain a feedback signal that the turbine speed is higher than the selected set value; Based on the output of step sequence 6 and the feedback signal that the turbine speed is higher than the selected set value, step sequence 7 is activated and the output of step sequence 7 is obtained. Step sequence 7 includes stopping the barring motor, and the output of step sequence 7 includes feedback on the stop status of the barring motor.

[0039] Preferably, the startup allows 8 units, including: Based on the output of step 7 instruction, activate step 8 instruction and obtain the output of step 8 instruction. Step 8 instruction includes activating the turbine speed-up curve control logic. The output of step 8 instruction includes the turbine speed-up curve control logic running feedback signal.

[0040] Preferably, the start-up permission unit includes: The system warm-up timer was checked, and a feedback signal indicating that the system warm-up timer had ended was received. Upon inspection of the steam turbine, a feedback signal was received indicating that the steam turbine had reached the medium-speed warm-up value. Check the medium-speed warm-up time and receive a feedback signal that the medium-speed warm-up time meets the requirements; Manual confirmation was performed, and a manual confirmation signal 4 was obtained. Based on the output of step sequence 8, the feedback signal that the system warm-up time has ended, the feedback signal that the turbine has been accelerated to the medium-speed warm-up value, the feedback signal that the medium-speed warm-up time meets the requirements, and the manual confirmation signal 4, step sequence 9 is activated and the output of step sequence 9 is obtained. Step sequence 9 includes controlling the turbine to accelerate to the rated speed, and the output of step sequence 9 includes the feedback signal that the turbine has accelerated to the rated speed.

[0041] In some embodiments, the rated speed module includes four "start-up enable" algorithm points, namely "start-up enable 6", "start-up enable 7", "start-up enable 8" and "start-up enable 9". Each start-up enable algorithm point is connected to one of the four "start-up enable" pins of the rated speed module. At the same time, the rated speed module includes four instruction output algorithm points, namely "step sequence 6 instruction", "step sequence 7 instruction", "step sequence 8 instruction" and "step sequence 9 instruction". Each start instruction algorithm point is connected to one of the output pins of the rated speed module to complete the output of the signal instruction.

[0042] It should be noted that "Start-up Allowed 6" consists of five parts: feedback signals for "start-up system warm-up time met", "lubricating oil pressure and lubricating oil temperature met requirements", "cooling water system met requirements", "shaft seal pressure and shaft seal temperature met requirements", and "turbine vacuum met requirements". These five signals are connected by an "AND" algorithm block. When all six signals are met, the true value of the "AND" output signal is "1", and the output pin "Step 6 Instruction" corresponding to "Start-up Allowed 6" outputs the start command to open the turbine main steam valve and set the turbine regulating valve opening to 5%.

[0043] Preferably, the "turbine speed is higher than a certain set value" status feedback constitutes the "start allow 7" signal. When the true value of the "start allow 7" signal is "1", the "step sequence 7 instruction" issues a start command, which is used to stop the turning gear motor from running.

[0044] Preferably, the "turning motor stop" status feedback constitutes the "start allow 8" signal. When the true value of the "start allow 8" signal is "1", the "step sequence 8 instruction" is issued. This instruction is used to activate the turbine speed-up curve control logic.

[0045] Preferably, “Start-up Allow 9” consists of four parts: a feedback signal that “system warm-up time has ended”, a feedback signal that “turbine has increased to medium-speed warm-up value (3850 rpm)”, a feedback signal that “medium-speed warm-up time meets requirements”, and a “manual confirmation 4” signal. The four parts are connected by an “AND” algorithm block. When all four parts are satisfied, that is, when their respective signal truth values ​​are “1”, the “AND” algorithm block outputs a truth value of “1”. At this time, the “step sequence 9 instruction” corresponding to “Start-up Allow 9” outputs a start command to control the turbine to increase to the rated speed.

[0046] The above is an introduction to the method embodiments. The following describes the solution described in this application through device embodiments.

[0047] Figure 3 This is a block diagram illustrating a programmable start-up apparatus for a small steam turbine-driven steam compressor according to an exemplary embodiment. The apparatus is used for a method of programmable start-up of a small steam turbine-driven steam compressor. (Refer to...) Figure 3 The device includes a start-up module and a rated speed module.

[0048] Start-up module: Used for control from a stationary state until the turning gear start-up is complete, including start-up permission unit 1, start-up permission unit 2, start-up permission unit 3, start-up permission unit 4, and start-up permission unit 5. The start-up permission unit 1 includes a step sequence 1 command and its output. The start-up permission unit 2 includes a step sequence 2 command and its output. The start-up permission unit 3 includes a step sequence 3 command and its output. The start-up permission unit 4 includes a step sequence 4 command and its output. The start-up permission unit 5 includes a step sequence 5 command and its output. The output of the step sequence 3 command includes a feedback signal that the turning gear motor is running. The output of the step sequence 4 command includes a feedback signal that the turbine system vacuum pump is running. The output of the step sequence 5 command includes a feedback signal that the system warm-up time timing logic algorithm is running. Rated speed module: Used for controlling the system speed to increase from the turning gear state to the rated speed, including start-up permission unit 6, start-up permission unit 7, start-up permission unit 8, and start-up permission unit 9. The start-up permission unit 6 includes step sequence 6 instructions and the output of step sequence 6 instructions. The start-up permission unit 7 includes step sequence 7 instructions and the output of step sequence 7 instructions. The start-up permission unit 8 includes step sequence 8 instructions and the output of step sequence 8 instructions. The start-up permission unit 9 includes step sequence 9 instructions and the output of step sequence 9 instructions. The output of step sequence 7 instructions includes feedback on the turning gear motor stop status. The output of step sequence 8 instructions includes feedback signal that the turbine speed-up curve control logic has been run. The output of step sequence 9 instructions includes feedback signal that the turbine has been controlled to increase to the rated speed.

[0049] A device for programmable starting of a small steam turbine-driven steam compressor, the device comprising: a processor; and a memory storing computer-readable instructions, wherein when the computer-readable instructions are executed by the processor, the method described in any one of the above-described methods for programmable starting of a small steam turbine-driven steam compressor is implemented.

[0050] A computer-readable storage medium, characterized in that the computer-readable storage medium stores program code, the program code being invoked by a processor to execute the method as described in any one of claims 1 to 10.

[0051] Figure 4 This is a schematic diagram of the structure of a programmable starter device for a small steam turbine-driven steam compressor provided in an embodiment of the present invention, as shown below. Figure 4 As shown, the equipment for programmable start-up of a small steam turbine-driven steam compressor may include the above-mentioned Figure 3 The illustrated device is a programmable starter for a small steam turbine-driven steam compressor. Optionally, the programmable starter 410 for the small steam turbine-driven steam compressor may include a first processor 2001.

[0052] Optionally, the device 410 for programmable starting of the steam compressor driven by the small steam turbine may also include a memory 2002 and a transceiver 2003.

[0053] The first processor 2001, memory 2002, and transceiver 2003 can be connected via a communication bus.

[0054] The following is combined Figure 4 The components of the programmable starter (CDR) device 410 for a small steam turbine-driven steam compressor are described in detail below: The first processor 2001 is the control center of the programmable start-up device 410 for the steam compressor driven by the small steam turbine. It can be a single processor or a collective term for multiple processing elements. For example, the first processor 2001 can be one or more central processing units (CPUs), application-specific integrated circuits (ASICs), or one or more integrated circuits configured to implement embodiments of the present invention, such as one or more digital signal processors (DSPs), or one or more field-programmable gate arrays (FPGAs).

[0055] Optionally, the first processor 2001 can execute various functions of the programmable start device 410 for the small steam turbine-driven steam compressor by running or executing software programs stored in the memory 2002 and calling data stored in the memory 2002.

[0056] In a specific implementation, as one example, the first processor 2001 may include one or more CPUs, for example... Figure 4 CPU0 and CPU1 are shown in the diagram.

[0057] In a specific implementation, as one example, the device 410 for programmable starting of the steam compressor driven by the small steam turbine may also include multiple processors, for example... Figure 4 The first processor 2001 and the second processor 2004 are shown in the diagram. Each of these processors can be a single-core processor or a multi-core processor. Here, a processor can refer to one or more devices, circuits, and / or processing cores used to process data (such as computer program instructions).

[0058] The memory 2002 is used to store the software program that executes the present invention, and is controlled by the first processor 2001 to execute it. The specific implementation method can be referred to the above method embodiment, and will not be repeated here.

[0059] Optionally, the memory 2002 may be a read-only memory (ROM) or other type of static storage device capable of storing static information and instructions, random access memory (RAM) or other type of dynamic storage device capable of storing information and instructions, or electrically erasable programmable read-only memory (EEPROM), compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compressed optical discs, laser discs, optical discs, digital universal optical discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium capable of carrying or storing desired program code in the form of instructions or data structures and accessible by a computer, but not limited thereto. The memory 2002 may be integrated with the first processor 2001 or may exist independently and be connected to the interface circuit of the device 410, which is programmably started by a steam compressor driven by a small steam turbine. Figure 4 (Not shown in the image) is coupled to the first processor 2001, and this embodiment of the invention does not specifically limit this.

[0060] The transceiver 2003 is used to communicate with network devices or with terminal devices.

[0061] Alternatively, transceiver 2003 may include a receiver and a transmitter. Figure 4 (Not shown separately). The receiver is used to implement the receiving function, and the transmitter is used to implement the transmitting function.

[0062] Optionally, the transceiver 2003 can be integrated with the first processor 2001, or it can exist independently and be connected to the interface circuit of the device 410, which is started by a programmable steam compressor driven by a small steam turbine. Figure 4 (Not shown in the image) is coupled to the first processor 2001, and this embodiment of the invention does not specifically limit this.

[0063] It should be noted that, Figure 4 The structure of the device 410 for the programmed start of the small steam turbine-driven steam compressor shown in the figure does not constitute a limitation on the router. The actual knowledge structure identification device may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0064] Furthermore, the technical effect of the device 410 for the programmed start-up of the small steam turbine-driven steam compressor can be referred to the technical effect of the programmed start-up method for the small steam turbine-driven steam compressor described in the above method embodiments, and will not be repeated here.

[0065] It should be understood that the first processor 2001 in the embodiments of the present invention may be a central processing unit (CPU), or it may be other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or any conventional processor, etc.

[0066] It should also be understood that the memory in the embodiments of the present invention can be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. The volatile memory can be random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of random access memory (RAM) are available, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate synchronous DRAM (DDR SDRAM), enhanced synchronous DRAM (ESDRAM), synchronous linked DRAM (SLDRAM), and direct rambus RAM (DR RAM).

[0067] The above embodiments can be implemented, in whole or in part, by software, hardware (such as circuits), firmware, or any other combination thereof. When implemented using software, the above embodiments can be implemented, in whole or in part, as a computer program product. The computer program product includes one or more computer instructions or computer programs. When the computer instructions or computer programs are loaded or executed on a computer, all or part of the processes or functions described in the embodiments of the present invention are generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more sets of available media. The available medium can be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium. A semiconductor medium can be a solid-state drive.

[0068] It should be understood that the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. A and B can be singular or plural. Additionally, the character " / " in this article generally indicates an "or" relationship between the preceding and following related objects, but it can also represent an "and / or" relationship. Please refer to the context for a more accurate understanding.

[0069] In this invention, "at least one" means one or more, and "more than one" means two or more. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of a single item or a plurality of items. For example, at least one of a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, and c can be a single item or multiple items.

[0070] It should be understood that, in various embodiments of the present invention, the order of the above-mentioned process numbers does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

[0071] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementations should not be considered beyond the scope of this invention.

[0072] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the devices, apparatuses, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0073] In the several embodiments provided by this invention, it should be understood that the disclosed devices, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another device, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between devices or units may be electrical, mechanical, or other forms.

[0074] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0075] In addition, the functional units in the various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0076] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this invention, or the part that contributes to the prior art, or a part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0077] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A control method for the programmed start-up of a small steam turbine-driven steam compressor, characterized in that, A control system for the programmed start-up of a steam compressor driven by a small steam turbine, the control system comprising: a start-up module and a rated speed module, characterized in that it includes: Start-up module: Used for control from a stationary state until the turning gear start-up is complete, including start-up permission unit 1, start-up permission unit 2, start-up permission unit 3, start-up permission unit 4, and start-up permission unit 5. The start-up permission unit 1 includes a step sequence 1 command and its output. The start-up permission unit 2 includes a step sequence 2 command and its output. The start-up permission unit 3 includes a step sequence 3 command and its output. The start-up permission unit 4 includes a step sequence 4 command and its output. The start-up permission unit 5 includes a step sequence 5 command and its output. The output of the step sequence 3 command includes a feedback signal that the turning gear motor is running. The output of the step sequence 4 command includes a feedback signal that the turbine system vacuum pump is running. The output of the step sequence 5 command includes a feedback signal that the system warm-up time timing logic algorithm is running. Rated speed module: Used for controlling the system speed to increase from the turning gear state to the rated speed, including start-up permission unit 6, start-up permission unit 7, start-up permission unit 8, and start-up permission unit 9. The start-up permission unit 6 includes step sequence 6 instructions and the output of step sequence 6 instructions. The start-up permission unit 7 includes step sequence 7 instructions and the output of step sequence 7 instructions. The start-up permission unit 8 includes step sequence 8 instructions and the output of step sequence 8 instructions. The start-up permission unit 9 includes step sequence 9 instructions and the output of step sequence 9 instructions. The output of step sequence 7 instructions includes feedback on the turning gear motor stop status. The output of step sequence 8 instructions includes feedback signal that the turbine speed-up curve control logic has been run. The output of step sequence 9 instructions includes feedback signal that the turbine has been controlled to increase to the rated speed.

2. The control method for programmable start-up of a small steam turbine-driven steam compressor according to claim 1, characterized in that, The startup permission unit includes: Check the commissioning conditions of the auxiliary equipment cooling water system and obtain a signal that the commissioning conditions of the auxiliary equipment cooling water system are met; Check the operating conditions of the auxiliary equipment lubrication oil system and obtain a signal that the operating conditions of the auxiliary equipment lubrication oil system are met; Manual confirmation is performed, and manual confirmation signal 1 is obtained; Based on the signals that the auxiliary equipment cooling water system and the auxiliary equipment lubrication oil system are ready for operation, and the manual confirmation signal 1, the step sequence 1 instruction is activated and the output of the step sequence 1 instruction is obtained. The step sequence 1 instruction includes starting the lubrication oil tank exhaust fan, starting the common circulating cooling water pump, and starting the condensate pump. The output of the step sequence 1 instruction includes feedback signals that the lubrication oil tank exhaust fan is running, feedback signals that the circulating cooling water pump is running, and feedback signals that the condensate pump is running.

3. The control method for programmable start-up of a small steam turbine-driven steam compressor according to claim 1, characterized in that, The startup permission unit 2 includes: Check the commissioning conditions of the small steam turbine steam sealing system and obtain a signal that the commissioning conditions of the small steam turbine steam sealing system are met. Check the commissioning conditions of the steam supply system for the steam compressor seal, and obtain a signal that the commissioning conditions of the steam supply system for the steam compressor seal are met; Manual confirmation was performed, and manual confirmation signal 2 was obtained; Based on the output of step sequence 1, the signal that the small turbine steam seal system is in operation, the signal that the steam supply system of the compressor steam seal is in operation, and the manual confirmation signal 2, step sequence 2 is activated and the output of step sequence 2 is obtained. Step sequence 2 includes starting the lubricating oil pump, and the output of step sequence 2 includes a feedback signal that the lubricating oil pump is running. Based on the output of step 2 instruction, activate step 3 instruction and obtain the output of step 3 instruction. Step 3 instruction includes starting the turning gear motor, and the output of step 3 instruction includes a feedback signal that the turning gear motor is running.

4. The control method for programmable start-up of a small steam turbine-driven steam compressor according to claim 1, characterized in that, The startup permission unit 4 includes: Start the shaft seal steam supply electric valve and receive a feedback signal that the shaft seal steam supply electric valve is running; Start the shaft seal cooler fan and receive a feedback signal that the shaft seal cooler fan is running; Based on the output of step 3, the feedback signal that the shaft seal steam supply electric valve is running, and the feedback signal that the shaft seal cooler fan is running, step 4 is activated and the output of step 4 is obtained. Step 4 includes starting the turbine system vacuum pump, and the output of step 4 includes the feedback signal that the turbine system vacuum pump is running.

5. The control method for programmable start-up of a small steam turbine-driven steam compressor according to claim 1, characterized in that, The startup permission unit 5 includes: Check the commissioning conditions of the small steam turbine system's condensate system and obtain feedback signals indicating that the commissioning conditions of the small steam turbine system's condensate system are met. Check the commissioning conditions of the respective condensate systems of the steam compressor system, and obtain feedback signals that the commissioning conditions of the respective condensate systems of the steam compressor system are met; Manual confirmation was performed, and a manual confirmation signal 3 was obtained. Based on the output of step 4 instruction, the feedback signal that the commissioning conditions of the small turbine system's condensate system are met, the feedback signal that the commissioning conditions of the respective condensate systems of the compressor system are met, and the manual confirmation signal 3, step 5 instruction is activated and the output of step 5 instruction is obtained. Step 5 instruction includes starting the system warm-up time timing logic algorithm, and the output of step 5 instruction includes the feedback signal that the system warm-up time timing logic algorithm has been run.

6. The control method for programmable start-up of a small steam turbine-driven steam compressor according to claim 1, characterized in that, The startup permission unit 6 includes: Check the system warm-up timer and obtain a feedback signal indicating that the system warm-up timer meets the requirements; Check the lubricating oil pressure and obtain a feedback signal that the lubricating oil pressure meets the requirements; Check the lubricating oil temperature and obtain a feedback signal that the lubricating oil temperature meets the requirements; The cooling water system was inspected, and feedback signals indicating that the cooling water system met the requirements were obtained. Check the shaft seal pressure and obtain a feedback signal indicating that the shaft seal pressure meets the requirements; Check the shaft seal temperature and obtain a feedback signal indicating that the shaft seal temperature meets the requirements; Check the turbine vacuum and obtain a feedback signal that the turbine vacuum meets the requirements; Based on the output of step 5 instruction, feedback signals indicating that the system warm-up time meets requirements, feedback signals indicating that the lubricating oil pressure meets requirements, feedback signals indicating that the lubricating oil temperature meets requirements, feedback signals indicating that the cooling water system meets requirements, feedback signals indicating that the shaft seal pressure meets requirements, feedback signals indicating that the shaft seal temperature meets requirements, and feedback signals indicating that the turbine vacuum meets requirements, step 6 instruction is activated and the output of step 6 instruction is obtained. Step 6 instruction includes opening the turbine main steam valve and setting the turbine regulating valve opening to 5%, respectively. The output of step 6 instruction includes feedback signals indicating that the turbine main steam valve is open and feedback signals indicating that the turbine regulating valve opening is set. Check the turbine speed and obtain a feedback signal that the turbine speed is higher than the selected set value; Based on the output of step 6 instruction and the feedback signal that the turbine speed is higher than the selected set value, step 7 instruction is activated and the output of step 7 instruction is obtained. Step 7 instruction includes stopping the barring motor. The output of step 7 instruction includes feedback on the stop status of the barring motor. Based on the output of step 7 instruction, activate step 8 instruction and obtain the output of step 8 instruction. Step 8 instruction includes activating the turbine speed-up curve control logic. The output of step 8 instruction includes the turbine speed-up curve control logic running feedback signal.

7. The control method for programmable start-up of a small steam turbine-driven steam compressor according to claim 1, characterized in that, The startup permission unit includes: The system warm-up timer was checked, and a feedback signal indicating that the system warm-up timer had ended was received. Upon inspection of the steam turbine, a feedback signal was received indicating that the steam turbine had reached the medium-speed warm-up value. Check the medium-speed warm-up time and receive a feedback signal that the medium-speed warm-up time meets the requirements; Manual confirmation was performed, and a manual confirmation signal 4 was obtained. Based on the output of step sequence 8, the feedback signal that the system warm-up time has ended, the feedback signal that the turbine has been accelerated to the medium-speed warm-up value, the feedback signal that the medium-speed warm-up time meets the requirements, and the manual confirmation signal 4, step sequence 9 is activated and the output of step sequence 9 is obtained. Step sequence 9 includes controlling the turbine to accelerate to the rated speed, and the output of step sequence 9 includes the feedback signal that the turbine has accelerated to the rated speed.

8. A control device for the programmed start-up of a small steam turbine-driven steam compressor, wherein the control device is used to implement the control method for the programmed start-up of a small steam turbine-driven steam compressor as described in any one of claims 1-7, characterized in that, The device includes: Start-up Module: Used for control from a standstill state until the turning gear start-up is complete, including Start-up Allow 1 Unit, Start-up Allow 2 Unit, Start-up Allow 3 Unit, Start-up Allow 4 Unit, and Start-up Allow 5 Unit. Start-up Allow 1 Unit includes a step sequence 1 command and its output. Start-up Allow 2 Unit includes a step sequence 2 command and its output. Start-up Allow 3 Unit includes a step sequence 3 command and its output. Start-up Allow 4 Unit includes a step sequence 4 command and its output. Start-up Allow 5 Unit includes a step sequence 5 command and its output. The output of step sequence 3 command includes a feedback signal indicating that the turning gear motor is running. The output of step sequence 4 command includes a feedback signal indicating that the turbine system vacuum pump is running. The output of step sequence 5 command includes a feedback signal indicating that the system warm-up time timing logic algorithm is running. Rated speed module: Used for controlling the system speed to increase from the turning gear state to the rated speed. It includes start-up permission unit 6, start-up permission unit 7, start-up permission unit 8, and start-up permission unit 9. Start-up permission unit 6 includes a step sequence 6 command and its output. Start-up permission unit 7 includes a step sequence 7 command and its output. Start-up permission unit 8 includes a step sequence 8 command and its output. Start-up permission unit 9 includes a step sequence 9 command and its output. The output of step sequence 7 includes feedback on the turning gear motor's stop status. The output of step sequence 8 includes feedback on the turbine speed-up curve control logic being operational. The output of step sequence 9 includes feedback on controlling the turbine to increase to the rated speed.

9. A control device for the programmed start-up of a small steam turbine-driven steam compressor, characterized in that, The control processor for the programmed start-up of the steam compressor driven by the small steam turbine; the memory storing computer-readable instructions, which, when executed by the processor, implement the method as described in any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium contains program code that can be invoked by a processor to execute the method as described in any one of claims 1 to 7.

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