A boiler feed water intelligent control system
By designing an intelligent boiler water supply control system, the key parameters of the boiler water supply system are monitored and controlled in real time, and the multi-level function PID algorithm and energy-saving device are used for precise control, the energy waste and safety problems in traditional boiler water supply control systems are solved, and the energy waste and safety problems in the traditional boiler water supply control system are realized. It provides efficient energy-saving and safe and reliable water supply system operation.
Patent Information
- Application Number
- CN202011317447.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-11-23
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2040-11-23
AI Technical Summary
In traditional boiler water supply control systems, the water supply pump operates under the maximum operating conditions, resulting in a large amount of useless work, wasted electricity resources, increased operating costs, and reduced system safety.
Design an intelligent boiler water supply control system, through the intelligent control cabinet main body, signal processing module, feedback regulation module, detection and analysis module and other components, to monitor and control pump outlet pressure, main pipe pressure, boiler drum pressure and liquid level parameters in real time , a multi-stage function PID algorithm is used for precise control, combined with energy-saving device and frequency conversion control, adjust the speed of the water supply pump, reduce the pressure of the main pipe, and save energy.
It realizes intelligent regulation of the boiler water supply system, saves unnecessary energy consumption, improves energy utilization, reduces operating costs, and improves the safety of the system and the practicality of the equipment.
Smart Images

Figure CN112432154B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of boiler feed water systems, and in particular to an intelligent boiler feed water control system. Background Art
[0002] In recent years, the government has continuously increased the layout and planning of the waste incineration power generation industry, promoting the rapid development of my country's urban domestic waste incineration power generation industry. The power plant's own operating electricity consumption accounts for about 10% of its installed capacity. The boiler feed pump, as a boiler water supply equipment, is not only an important auxiliary equipment, but also a large electricity consumer. The economy and safety of the feed pump operation are particularly important.
[0003] In traditional single-impulse and three-impulse boiler feed water control systems, the boiler feed water pump can only operate under the maximum operating parameters, and the main pipe pressure is always at the highest operating pressure, causing a lot of useless work to be done by the boiler feed water pump during operation, wasting electric energy resources, greatly increasing the operating cost, and the system works under high temperature and high pressure for a long time. Once the equipment has an abnormal situation, it will cause great losses and even threaten the life and health of the staff, reducing the safety of the system. At the same time, the system pipeline is very long and the installation plane height is different, so it is necessary to design support legs of different heights for support. After the support legs are installed, they are fixed and cannot be reused, increasing the cost of equipment use. Summary of the invention
[0004] The object of the present invention is to provide a boiler feed water intelligent control system to solve the problems raised in the above background technology.
[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a boiler feed water intelligent control system, including an intelligent control cabinet body, a signal processing module, a feedback adjustment module, a detection and analysis module, a touch screen, an alarm module, a signal transceiver module, a boiler body, a steam pressure transmitter, a steam flow meter, a liquid level transmitter, a main pipe, a connecting pipe, a confluence pipe, a main pipe pressure transmitter, a feed water pump outlet pressure transmitter, an economizer, a feed water pump, a feed water pipe, a deaerator, a water outlet pipe, a regulating valve, a screw rod, a guide rod, a main pipe flow meter, a handle, a lifting platform, a base, a self-locking universal wheel, a water pipe flow meter, a proportional valve, a water pipe pressure transmitter, a water pipe, a data acquisition module, a circulation valve, a first circulation pipe, a second circulation An annular pipe, a support platform, a block, a lifting block, a worm, a rotating shaft, a first fixed block, a worm wheel, a second fixed block, a limiting groove, a third fixed block, a bearing box vibration sensor, a bearing box temperature sensor, an inlet temperature sensor and a water pump inlet pressure transmitter, the water supply pipe is fixedly connected to the inlet end of the water supply pump by bolts respectively, an energy saver is installed at the outlet of the water supply pump, and one end of the energy saver is fixedly connected to one end of the water outlet pipe, and the other end of the water outlet pipe is fixedly connected to the manifold, the water supply pump outlet pressure transmitter and a regulating valve are installed on the water outlet pipe in sequence, the regulating valve is installed at one end close to the manifold, the manifold is equipped with a mother pipe pressure transmitter, the manifold is fixedly connected to one end of the connecting pipe, and the connecting pipe A mother pipe flow meter is installed, and the other end of the connecting pipe is fixedly connected to the mother pipe. The mother pipe is respectively connected to multiple water pipes, and the other ends of the water pipes are respectively fixedly connected to the water inlet of the boiler body by bolts. The water pipe flow meter, proportional valve and water pipe pressure transmitter are installed on the water pipe in sequence. The water pipe flow meter is located near one end of the mother pipe, and the water pipe pressure transmitter is located near one end of the boiler body. The steam outlet pipeline of the boiler body is installed with a steam flow meter, and a steam pressure transmitter is installed on the top of the boiler body. The boiler body is installed with a liquid level transmitter. The whole control system is provided with an intelligent control cabinet body, and a signal transceiver module is fixedly installed at the center bottom of one side of the intelligent control cabinet body, and A data acquisition module is installed at the bottom of one side adjacent to the main body of the intelligent control cabinet. The data acquisition module is connected to the steam pressure transmitter, steam flow meter, liquid level transmitter, main pipe pressure transmitter, water pump outlet pressure transmitter, economizer, regulating valve, main pipe flow meter, water pipe flow meter, proportional valve and water pipe pressure transmitter through cables for data acquisition. A touch screen is installed on the top of the main body of the intelligent control cabinet on one side adjacent to the signal transceiver module. A signal processing module, a feedback adjustment module and a detection and analysis module are installed on the touch screen. The detection and analysis module is located on the top of the feedback adjustment module, and the feedback adjustment module is located on the top of the signal processing module. An alarm module is installed on the top of the main body of the intelligent control cabinet.
[0006] According to the above technical scheme, the two sides of the bottom center of the mother tube and the collector tube are respectively fitted with the top center of the support platform, the bottom center of the support platform is fixedly connected to the top of the lifting platform, the bottom of the lifting platform is fitted with the top of the base, the center of the inner bottom surface of the base is welded to the bottom of the first fixed block, the top of the first fixed block is rotatably connected to the bottom end of the screw rod, a worm gear is sleeved and fixed on the outer periphery of the bottom of the screw rod, and the outer circumference of the worm gear is meshed with the outer circumference of the worm, the lower part of the screw rod passes through the top center of the base, and the screw rod is located inside the limiting groove, the middle and lower parts of the screw rod are connected with the center of the lifting block through a ball nut, the outer periphery of the lifting block is fixedly connected to the center bottom of the lifting platform, the top of the screw rod is welded to the bottom center of the block, and the block is located inside the limiting groove.
[0007] According to the above technical solution, the water supply pipe is fixedly connected to the output end of the deaerator by bolts.
[0008] According to the above technical solution, the outlet pipe is welded to one end of the second circulation pipe near the water supply pump, the other end of the second circulation pipe is fixedly connected to the input end of the circulation valve, the output end of the circulation valve is fixedly connected to one end of the first circulation pipe, and the other end of the first circulation pipe is fixedly connected to the center end of the water supply pipe.
[0009] According to the above technical solution, the signal transceiver module is connected to the signal processing module, and the signal processing module is respectively connected to the feedback adjustment module and the detection and analysis module, and the detection and analysis module is connected to the alarm module.
[0010] According to the above technical solution, the four corners of the bottom of the base are fixedly connected to the top of the self-locking universal wheel by bolts, the two sides of the center of the top of the base are fixedly connected to the bottom of the guide rod, the top of the guide rod is located inside the two sides of the center of the bottom of the lifting platform, and the lifting platform is slidably connected to the guide rod.
[0011] According to the above technical solution, the worm gear is sleeved and fixed in the center of the rotating shaft, and one end of the rotating shaft is rotatably connected to the center of one side of the second fixed block through a bearing, the other side of the second fixed block is fixedly connected to one end of the center of one side inside the base, the other end of the rotating shaft passes through one end of the center of the other side inside the base, and the other end of the rotating shaft is fixedly connected to the top of one side of the handle, the other end of the center of the rotating shaft passes through the center of one side of the third fixed block, and the third fixed block is rotatably connected to the rotating shaft, and the other side of the third fixed block is fixedly connected to one end of the center of the other side inside the base.
[0012] According to the above technical solution, the water feed pump inlet pipeline is installed with an inlet temperature sensor and a water feed pump inlet pressure transmitter, and the water feed pump bearing box is installed with a bearing box vibration sensor and a bearing box temperature sensor.
[0013] Compared with the prior art, the beneficial effects achieved by the present invention are:
[0014] 1. The invention monitors the pump outlet pressure, main pipe pressure, boiler drum pressure, boiler drum liquid level, inlet pipe proportional valve opening and other parameters in real time, and then transmits them to the processing module through the signal transceiver module. Through the multi-stage function PID algorithm, the pressure, flow, proportional valve, etc. are precisely controlled in a stable and reliable manner, and the system intelligently adjusts the speed of the water pump, which is conducive to saving unnecessary energy consumption and improving energy utilization.
[0015] 2. The intelligent control system of the invention can operate independently or be linked with the original DCS control system, and can be used in conjunction with the installation of an energy saver on the pump outlet pipe. While achieving constant liquid level in the boiler drum and safe water supply with variable pressure, the frequency conversion control of the water supply pump reduces the pressure in the mother pipe, saves unnecessary energy loss in the traditional water supply system, and is beneficial to energy saving. The system sets a compensation pressure, monitors the boiler pressure in real time, and then uses the motor frequency conversion to adjust the mother pipe pressure without generating excess energy waste. At the same time, the liquid level position of the boiler is set according to the process requirements, and the proportional valve opening of the supply pipeline is automatically adjusted according to the real-time liquid level of the boiler, so as to achieve constant liquid level. Constant pressure control and constant liquid level control are carried out simultaneously and adjusted with each other. Through the efficient control system, the entire water supply system can reach the most energy-saving state at the fastest speed after switching to different working conditions, and can be seamlessly switched with the DCS system.
[0016] 3. The invention uses the detection and analysis module to analyze and calculate the temperature, pressure, vibration and other data obtained by the acquisition module, and compares them with the normal data. When the equipment has abnormal data, the alarm module is used to remind the staff to conduct timely inspection and maintenance to avoid greater economic losses.
[0017] 4. The invention drives the support platform to rise and fall by shaking the handle, thereby adjusting the height of the support platform, which is conducive to supporting pipelines at different heights and greatly improves the practicality of the equipment. In addition, the support platform is not fixedly installed, which is conducive to reuse and saves usage costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0019] Figure 1 It is a front view of the overall structure of the present invention;
[0020] Figure 2 is a front view of the water supply pump of the present invention;
[0021] Figure 3 It is a top view of the overall structure of the present invention;
[0022] Figure 4It is a partial structural front view of the present invention;
[0023] Figure 5 It is a front cross-sectional view of a part of the structure of the present invention;
[0024] Figure 6 It is a side sectional view of a part of the structure of the present invention;
[0025] Figure 7 is a system flow chart of the present invention;
[0026] In the figure: 1. Intelligent control cabinet body; 2. Signal processing module; 3. Feedback adjustment module; 4. Detection and analysis module; 5. Touch screen; 6. Alarm module; 7. Signal transceiver module; 8. Boiler body; 9. Steam pressure transmitter; 10. Steam flow meter; 11. Liquid level transmitter; 12. Mother pipe; 13. Connecting pipe; 14. Converging pipe; 15. Mother pipe pressure transmitter; 16. Feed water pump outlet pressure transmitter; 17. Economizer; 18. Feed water pump; 19. Feed water pipe; 20. Deaerator; 21. Water outlet pipe; 22. Control valve; 23. Screw rod; 24. Guide rod; 25. Mother pipe flow meter; 26. Handle; 27 , lifting platform; 28, base; 29, self-locking universal wheel; 30, water pipe flow meter; 31, proportional valve; 32, water pipe pressure transmitter; 33, water pipe; 34, data acquisition module; 35, circulation valve; 36, first circulation pipe; 37, second circulation pipe; 38, support platform; 39, block; 40, lifting block; 41, worm; 42, rotating shaft; 43, first fixed block; 44, worm wheel; 45, second fixed block; 46, limiting groove; 47, third fixed block; 48, bearing box vibration sensor; 49, bearing box temperature sensor; 50, inlet temperature sensor; 51, water pump inlet pressure transmitter. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0028] See also Figure 1-7The present invention provides a technical solution: a boiler feed water intelligent control system, comprising an intelligent control cabinet body 1, a signal processing module 2, a feedback adjustment module 3, a detection and analysis module 4, a touch screen 5, an alarm module 6, a signal transceiver module 7, a boiler body 8, a steam pressure transmitter 9, a steam flow meter 10, a liquid level transmitter 11, a main pipe 12, a connecting pipe 13, a confluence pipe 14, a main pipe pressure transmitter 15, a feed water pump outlet pressure transmitter 16, an economizer 17, a feed water pump 18, a feed water pipe 19, a deaerator 20, a water outlet pipe 21, a regulating valve 22, a screw rod 23, a guide rod 24, a main pipe flow meter 25, a handle 26, a lifting platform 27, a base 28, a self-locking universal wheel 29, a water pipe flow meter 30, a proportional valve 31, a water pipe pressure transmitter 32, a water pipe pressure transmitter 33, a water pipe pressure transmitter 34, a water pipe pressure transmitter 35, a water pipe pressure transmitter 36, a water pipe pressure transmitter 37, a water pipe pressure transmitter 38, a water pipe pressure transmitter 39, a water pipe pressure transmitter 40, a water pipe pressure transmitter 41, a water pipe pressure transmitter 42, a water pipe pressure transmitter 43, a water pipe pressure transmitter 44, a water pipe pressure transmitter 45, a water pipe pressure transmitter 46, a water pipe pressure transmitter 47, a water pipe pressure transmitter 48, a water pipe pressure transmitter 49, a water pipe pressure transmitter 50, a water pipe pressure transmitter 51, a water pipe pressure transmitter 52, a water pipe pressure transmitter 53, a water pipe pressure transmitter 54, a water pipe pressure transmitter 55, a water pipe pressure transmitter 56, a water pipe pressure transmitter 57, a water pipe pressure transmitter 58, a water pipe pressure transmitter 59, a water The water supply pipe 19 is fixedly connected to the inlet end of the water supply pump 18 by bolts, and the water supply pipe 19 is fixedly connected to the output end of the deaerator 20 by bolts, which is beneficial to remove the oxygen content in the water. The outlet of the water supply pump 18 is installed with an energy saver 17, and one end of the energy saver 17 is fixedly connected to one end of the water outlet pipe 21. The inlet pipeline 18 is installed with an inlet temperature sensor 50 and a water pump inlet pressure transmitter 51, and the bearing box of the water pump 18 is installed with a bearing box vibration sensor 48 and a bearing box temperature sensor 49, which is conducive to collecting the temperature, vibration and pressure of the water pump 18. The other end of the water outlet pipe 21 is fixedly connected to the manifold 14, and the water pump outlet pressure transmitter 16 and the regulating valve 22 are installed on the water outlet pipe 21 in sequence. The regulating valve 22 is installed at the end close to the manifold 14, and the end of the water outlet pipe 21 close to the water pump 18 is welded to one end of the second circulation pipe 37, and the other end of the second circulation pipe 37 is fixedly connected to the input end of the circulation valve 35, and the output end of the circulation valve 35 is fixedly connected to one end of the first circulation pipe 36, and the other end of the first circulation pipe 36 is fixedly connected to the center of the water pipe 19. The ends are fixedly connected, which is conducive to realizing water circulation. The manifold 14 is equipped with a mother pipe pressure transmitter 15. The manifold 14 is fixedly connected to one end of the connecting pipe 13. The connecting pipe 13 is equipped with a mother pipe flowmeter 25. The other end of the connecting pipe 13 is fixedly connected to the mother pipe 12. The mother pipe 12 is respectively connected to multiple water pipes 33, and the other ends of the water pipes 33 are respectively fixedly connected to the water inlet of the boiler body 8 by bolts. The water pipe flowmeter 30, the proportional valve 31 and the water pipe pressure transmitter 32 are sequentially installed on the water pipe 33. The water pipe flowmeter 30 is located near one end of the mother pipe 12, and the water pipe pressure transmitter 32 is located near one end of the boiler body 8. The steam outlet pipeline of the boiler body 8 is equipped with a steam flowmeter 10, and the top of the boiler body 8 is equipped with a steam pressure transmitter 9.The boiler body 8 is equipped with a liquid level transmitter 11, and the whole control system is provided with an intelligent control cabinet body 1. A signal transceiver module 7 is fixedly installed at the center bottom of one side of the intelligent control cabinet body 1, and a data acquisition module 34 is installed at the bottom of the adjacent side of the intelligent control cabinet body 1. The data acquisition module 34 is connected to the steam pressure transmitter 9, the steam flow meter 10, the liquid level transmitter 11, the main pipe pressure transmitter 15, the feed water pump outlet pressure transmitter 16, the economizer 17, the regulating valve 22, the main pipe flow meter 25, the water pipe flow meter 30, the proportional valve 31 and the water pipe pressure transmitter 32 through cables for data acquisition. The intelligent control cabinet body 1 is equipped with a touch screen 5 at the top of the side adjacent to the signal transceiver module 7, and the touch screen 5 is equipped with a signal processing module 2 , feedback adjustment module 3 and detection and analysis module 4, the detection and analysis module 4 is located at the top of the feedback adjustment module 3, and the feedback adjustment module 3 is located at the top of the signal processing module 2, an alarm module 6 is installed on the top of the intelligent control cabinet body 1, the signal transceiver module 7 is connected to the signal processing module 2, and the signal processing module 2 is respectively connected to the feedback adjustment module 3 and the detection and analysis module 4, the detection and analysis module 4 is connected to the alarm module 6, which is conducive to issuing an alarm through the alarm module 6, the two sides of the bottom center of the mother pipe 12 and the confluence pipe 14 are respectively fitted with the top center of the support platform 38, the bottom center of the support platform 38 is fixedly connected to the top of the lifting platform 27, the bottom of the lifting platform 27 is fitted with the top of the base 28, and the four corners of the bottom of the base 28 are respectively connected to the top of the self-locking universal wheel 29 through The base 28 is fixedly connected with the bottom end of the guide rod 24 on both sides of the top center of the base 28, and the top of the guide rod 24 is located inside the bottom center of the lifting platform 27 on both sides, and the lifting platform 27 is slidably connected with the guide rod 24, which is conducive to limiting the freedom of the lifting platform 27 through the guide rod 24. The center of the bottom surface of the base 28 is welded to the bottom of the first fixed block 43, and the top of the first fixed block 43 is rotatably connected to the bottom end of the screw rod 23. A worm gear 44 is sleeved and fixed on the outer periphery of the bottom of the screw rod 23, and the outer circumference of the worm gear 44 is meshed with the outer circumference of the worm 41. The worm 41 is sleeved and fixed on the center of the rotating shaft 42, and one end of the rotating shaft 42 is rotatably connected to the center of one side of the second fixed block 45 through a bearing, and the other side of the second fixed block 45 is fixedly connected to one end of the center of one side of the base 28, and the other end of the rotating shaft 42 The third fixing block 47 is rotatably connected to the rotating shaft 42, and the other end of the rotating shaft 42 is fixedly connected to the top of the handle 26. The other end of the rotating shaft 42 passes through the center of one side of the third fixing block 47, and the third fixing block 47 is rotatably connected to the rotating shaft 42. The other side of the third fixing block 47 is fixedly connected to the center of the other side of the base 28, which is conducive to the fixed installation of the handle 26 and the rotating shaft 42. The lower part of the screw rod 23 passes through the top center of the base 28, and the screw rod 23 is located inside the limiting groove 46. The lower part of the screw rod 23 is connected to the center of the lifting block 40 through a ball nut. The outer periphery of the lifting block 40 is fixedly connected to the center bottom of the lifting platform 27. The top of the screw rod 23 is welded to the bottom center of the stopper 39, and the stopper 39 is located inside the limiting groove 46. During use of the invention,First, shake the handle 26 to drive the rotating shaft 42 to rotate, and then drive the worm 41 to rotate, thereby driving the worm wheel 44 to rotate, and then drive the screw 23 to rotate, thereby driving the lifting block 40 to move upward, and then drive the lifting platform 27 to move upward, and then drive the support platform 38 to move upward, and turn the handle 26 in the opposite direction, so that the support platform 38 moves downward, thereby completing the adjustment of the height of the support platform 38, which is conducive to supporting pipelines at different heights. At the same time, the base 28 and the lifting platform 27 are moved by the self-locking universal wheel 29 to facilitate supporting pipelines at different positions. At this time, the water supply pump 18 is started, and the water supply pump 18 transports the water to the outlet pipe 21 after passing through the economizer 17, and then passes through the water supply pump outlet pressure transmitter 16 and the regulating valve 22, and then transports it to the conduit. 14, and then transported to the connecting pipe 13, then through the main pipe flowmeter 25, and then transported to the main pipe 12, and then transported to the water pipe flowmeter 30, proportional valve 31 and water pipe pressure transmitter 32 after diversion, and then transported to the boiler body 8 for heating. At the same time, the steam pressure transmitter 9, steam flowmeter 10 and liquid level transmitter 11 on the boiler body 8 also start working. The data acquisition module 34 transmits the outlet pressure of each pipeline on the steam pressure transmitter 9, steam flowmeter 10, liquid level transmitter 11, main pipe pressure transmitter 15, feed water pump outlet pressure transmitter 16, main pipe flowmeter 25, water pipe flowmeter 30 and proportional valve 31, the pressure of the confluence pipe 14, the boiler drum pressure, the boiler drum liquid level, and the opening of the proportional valve 31 The data is collected by the signal receiving and transmitting module 7, and then transmitted to the signal processing module 2 for processing. After the multi-level function PID algorithm, the data is respectively transmitted to the feedback regulation module 3 and the detection and analysis module 4. The feedback regulation module 3 accurately controls the pressure, flow, the operating frequency of the variable frequency motor, the proportional valve 31, etc., and cooperates with the use of the economizer 17 to ensure that the drum liquid level of multiple boilers remains constant under the condition of constantly changing evaporation and pressure of the drum, which is conducive to automatically adjusting the speed of the feed water pump 18 according to the drum liquid level, greatly saving energy, making the main pipe 12 pressure and the boiler pressure match in real time, while realizing the full water supply of the boiler with variable pressure, variable evaporation and constant liquid level, saving unnecessary energy loss in the traditional water supply system, which is conducive to energy saving. At the same time, the water pump 18 is equipped with a water pump outlet pressure transmitter 16, a bearing box vibration sensor 48, a bearing box temperature sensor 49, an inlet temperature sensor 50, and a water pump inlet pressure transmitter 51. By cooperating with multiple bearing box vibration sensors 48, water pump outlet pressure transmitter 16 and water pump inlet pressure transmitter 51, multiple different input signals can be connected to realize data collection, regulation, and intelligent analysis of physical quantities such as temperature, pressure, and vibration, and monitor and analyze whether the liquid state at the pump inlet is vaporized, the wear condition of the mouth ring and the bearing, etc. The detection and analysis module 4 detects and analyzes the data, finds abnormal information, and transmits it to the alarm module 6 for alarm, which is conducive to safety detection of the equipment and timely reminder of dangerous situations.It avoids the occurrence of greater economic losses and is conducive to improving the safety of equipment use.
[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A boiler feed water intelligent control system, comprising an intelligent control cabinet body (1), a signal processing module (2), a feedback adjustment module (3), a detection and analysis module (4), a touch screen (5), an alarm module (6), a signal transceiver module (7), a boiler body (8), a steam pressure transmitter (9), a steam flow meter (10), a liquid level transmitter (11), a main pipe (12), a connecting pipe (13), a confluence pipe (14), a main pipe pressure transmitter (15), a feed water pump outlet pressure transmitter (16), an economizer (17), a feed water pump (18), a feed water pipe (19), a deaerator (20), a water outlet pipe (21), a regulating valve (22), a screw rod (23), a guide rod (24), a main pipe flow meter (25), a handle (26), and a pressure transmitter (27). 6), a lifting platform (27), a base (28), a self-locking universal wheel (29), a water pipe flow meter (30), a proportional valve (31), a water pipe pressure transmitter (32), a water pipe (33), a data acquisition module (34), a circulation valve (35), a first circulation pipe (36), a second circulation pipe (37), a support platform (38), a stopper (39), a lifting block (40), a worm (41), a rotating shaft (42), a first fixed block (43), a worm wheel (44), a second fixed block (45), a limiting groove (46), a third fixed block (47), a bearing box vibration sensor (48), a bearing box temperature sensor (49), an inlet temperature sensor (50) and a water pump inlet pressure transmitter (51), characterized in that: The water supply pipe (19) is respectively fixedly connected to the inlet end of the water supply pump (18) by bolts. The outlet of the water supply pump (18) is equipped with an energy saver (17), and one end of the energy saver (17) is fixedly connected to one end of the water outlet pipe (21). The other end of the water outlet pipe (21) is fixedly connected to the manifold (14). The water supply pump outlet pressure transmitter (16) and the regulating valve (22) are installed on the water outlet pipe (21) in sequence. The regulating valve (22) is installed at one end close to the manifold (14). The manifold (14) is equipped with a main pipe pressure transmitter (15). The manifold (14) is fixedly connected to one end of the connecting pipe (13). The connecting pipe (13) is provided with a main pipe flow meter (25), the other end of the connecting pipe (13) is fixedly connected to the main pipe (12), the main pipe (12) is respectively connected to a plurality of water pipes (33), and the other ends of the water pipes (33) are respectively fixedly connected to the water inlet of the boiler body (8) by bolts, the water pipe flow meter (30), a proportional valve (31) and a water pipe pressure transmitter (32) are sequentially installed on the water pipe (33), the water pipe flow meter (30) is located near one end of the main pipe (12), the water pipe pressure transmitter (32) is located near one end of the boiler body (8), and the steam outlet pipeline of the boiler body (8) is provided with a steam A flow meter (10) is provided, and a steam pressure transmitter (9) is installed on the top of the boiler body (8), and a liquid level transmitter (11) is installed on the boiler body (8). The whole control system is provided with an intelligent control cabinet body (1), and a signal transceiver module (7) is fixedly installed at the center bottom of one side of the intelligent control cabinet body (1), and a data acquisition module (34) is installed at the bottom of an adjacent side of the intelligent control cabinet body (1). The data acquisition module (34) is respectively connected to the steam pressure transmitter (9), the steam flow meter (10), the liquid level transmitter (11), the main pipe pressure transmitter (15), the feed pump outlet pressure transmitter (16), and the energy saver through cables. (17), a regulating valve (22), a main pipe flow meter (25), a water pipe flow meter (30), a proportional valve (31) and a water pipe pressure transmitter (32) are connected to collect data; a touch screen (5) is installed on the top of the intelligent control cabinet body (1) adjacent to the signal transceiver module (7); a signal processing module (2), a feedback regulation module (3) and a detection and analysis module (4) are installed on the touch screen (5); the detection and analysis module (4) is located on the top of the feedback regulation module (3), and the feedback regulation module (3) is located on the top of the signal processing module (2); an alarm module (6) is installed on the top of the intelligent control cabinet body (1).
2. The intelligent boiler feed water control system according to claim 1, characterized in that: The two sides of the bottom center of the mother tube (12) and the confluence tube (14) are respectively fitted with the top center of the support platform (38), the bottom center of the support platform (38) is fixedly connected with the top of the lifting platform (27), the bottom of the lifting platform (27) is fitted with the top of the base (28), the center of the inner bottom surface of the base (28) is welded to the bottom of the first fixed block (43), the top of the first fixed block (43) is rotatably connected with the bottom end of the screw rod (23), and the outer periphery of the bottom of the screw rod (23) is sleeved and fixed with a worm gear (44). The outer circumference of the worm wheel (44) meshes with the outer circumference of the worm (41); the lower part of the screw rod (23) passes through the top center of the base (28), and the screw rod (23) is located inside the limiting groove (46); the lower middle part of the screw rod (23) is connected to the center of the lifting block (40) through a ball nut; the outer periphery of the lifting block (40) is fixedly connected to the central bottom of the lifting platform (27); the top of the screw rod (23) is welded to the bottom center of the stop block (39), and the stop block (39) is located inside the limiting groove (46).
3. The intelligent boiler feed water control system according to claim 1, characterized in that: The water supply pipe (19) is fixedly connected to the output end of the deaerator (20) by means of bolts.
4. The intelligent boiler feed water control system according to claim 1, characterized in that: One end of the water outlet pipe (21) close to the water supply pump (18) is welded to one end of the second circulation pipe (37), the other end of the second circulation pipe (37) is fixedly connected to the input end of the circulation valve (35), the output end of the circulation valve (35) is fixedly connected to one end of the first circulation pipe (36), and the other end of the first circulation pipe (36) is fixedly connected to the center end of the water supply pipe (19).
5. The intelligent boiler feed water control system according to claim 1, characterized in that: The signal transceiver module (7) is connected to the signal processing module (2), and the signal processing module (2) is respectively connected to the feedback adjustment module (3) and the detection and analysis module (4), and the detection and analysis module (4) is connected to the alarm module (6).
6. The intelligent boiler feed water control system according to claim 1, characterized in that: The four corners of the bottom of the base (28) are respectively fixedly connected to the top of the self-locking universal wheel (29) by bolts, and the two sides of the center of the top of the base (28) are respectively fixedly connected to the bottom of the guide rod (24), and the top of the guide rod (24) is located inside the two sides of the center of the bottom of the lifting platform (27), and the lifting platform (27) is slidably connected to the guide rod (24).
7. The intelligent boiler feed water control system according to claim 1, characterized in that: The worm (41) is sleeved and fixed on the center of the rotating shaft (42), and one end of the rotating shaft (42) is rotatably connected to the center of one side of the second fixed block (45) through a bearing, and the other side of the second fixed block (45) is fixedly connected to one end of the center of one side inside the base (28), and the other end of the rotating shaft (42) passes through one end of the center of the other side inside the base (28), and the other end of the rotating shaft (42) is fixedly connected to the top of one side of the handle (26), and the other end of the center of the rotating shaft (42) passes through the center of one side of the third fixed block (47), and the third fixed block (47) is rotatably connected to the rotating shaft (42), and the other side of the third fixed block (47) is fixedly connected to one end of the center of the other side inside the base (28).
8. The intelligent boiler feed water control system according to claim 1, characterized in that: The inlet pipeline of the water pump (18) is installed with an inlet temperature sensor (50) and a water pump inlet pressure transmitter (51), and the bearing box of the water pump (18) is installed with a bearing box vibration sensor (48) and a bearing box temperature sensor (49).
Citation Information
Patent Citations
Intelligent control system for boiler water supply
CN213577457U