A low-carbon and high-efficiency catalytic combustion system based on intelligent interlocking control
Through the low-carbon and efficient catalytic combustion system controlled by intelligent interlock, the working conditions are monitored and adjusted in real time, and the problems of waste gas fluctuations and unstable working conditions in coal-carbon catalytic combustion are solved, dynamic optimization of equipment power consumption and carbon emission reduction, and the thermal efficiency and safety performance of the boiler are improved.
Patent Information
- Application Number
- CN202210621861.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-06-02
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2042-06-02
AI Technical Summary
During the catalytic combustion of coal, the waste gas concentration fluctuates greatly and the working conditions are extremely unstable, resulting in hysteresis and deviations in equipment control. The operation guidance deviates from the optimal working conditions and cannot reduce carbon emissions, resulting in a decrease in waste heat loss and boiler thermal efficiency utilization, low safety performance, and a decrease in combustion economic effect.
A low-carbon and efficient catalytic combustion system based on intelligent interlock control is adopted, including a control platform module, a combustion control module and an interlock control model module. The waste gas concentration and working conditions are monitored in real time through sensors, and the detection and working conditions are intelligently and automatically adjusted, so as to achieve dynamic optimization of equipment power consumption and reduce carbon emissions.
Through intelligent interlocking control, avoid equipment control lag and deviation, maintain operation in the optimal operating conditions, reduce carbon emissions, reduce waste heat loss, improve boiler thermal efficiency and safety performance, and improve combustion economic effect.
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Figure CN114838383B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of low-carbon and high-efficiency catalytic combustion systems with intelligent interlocking control, and in particular to a low-carbon and high-efficiency catalytic combustion system based on intelligent interlocking control. Background Art
[0002] During the existing catalytic combustion of coal, the exhaust gas concentration fluctuates greatly and the operating conditions are extremely unstable. After the operating conditions are manually detected, there is a lag and deviation in the control of the equipment, which causes the operation guidance to deviate from the optimal operating conditions, resulting in the equipment power consumption remaining unchanged, thereby failing to reduce carbon emissions, resulting in a large amount of waste heat loss, a decrease in the thermal efficiency utilization of the boiler, and low safety performance, resulting in a decrease in the economic effect of boiler combustion. Summary of the invention
[0003] To this end, the present invention provides a low-carbon and high-efficiency catalytic combustion system based on intelligent interlocking control to solve the problem that during the catalytic combustion of coal, the exhaust gas concentration fluctuates greatly and the operating conditions are extremely unstable. After the operating conditions are manually detected, there is a lag and deviation in the control of the equipment, which causes the operation guidance to deviate from the optimal operating conditions, resulting in the power consumption of the equipment remaining unchanged, thereby failing to reduce carbon emissions, resulting in a large amount of waste heat loss, a decrease in the thermal efficiency utilization of the boiler, low safety performance, and a decrease in the economic effect of boiler combustion.
[0004] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a low-carbon and high-efficiency catalytic combustion system based on intelligent interlocking control, comprising a control platform module, a combustion control module is provided at the connection end of the control platform module, and the combustion control module comprises a denitrification module, an electric dust removal module, an air volume ratio module, a high-efficiency ammonia injection module, a burner module, a fan power control module and temperature modules of each module.
[0005] Preferably, an interlocking control model module is provided at the connection end of the control platform module, and the interlocking control model module includes a sensor assembly module, a smoke concentration detector module and a smoke and flue gas tester module.
[0006] Preferably, a distributed control system module is provided at the connection end of the control platform module, and a coal quality data module and an equipment status input module are respectively provided at the connection end of the distributed control system module, the control platform module is electrically connected to the distributed control system module, and the distributed control system module is respectively electrically connected to the coal quality data module and the equipment status input module.
[0007] Preferably, the distributed control system module includes a database module and a data preprocessing module.
[0008] Preferably, the connecting ends of the air volume matching module are respectively provided with a fan compensation module and a wind deflector module, and the air volume matching module is respectively electrically connected to the fan compensation module and the wind deflector module.
[0009] Preferably, the control platform module is electrically connected to the combustion control module.
[0010] Preferably, the control platform module is electrically connected to the interlocking control model module.
[0011] Preferably, the control platform module includes a fixed base, a cavity is opened inside the fixed base, two support rods are fixedly connected to the top of the fixed base, and a sensor body is fixedly provided on the top of the two support rods, and limit assemblies are provided on both sides of the control platform module, and the limit assemblies include two lifting ears, and the two lifting ears are fixedly connected to the fixed base, one side of the two lifting ears has a slide groove, the inner side of the two slide grooves has a sliding pin, one side of the two sliding pins is connected to a connecting plate through a bearing, and the other side of the two connecting plates is connected to a side plate through a bearing, a support block is fixedly connected between the two side plates, one side of the support block is fixedly connected to a clamping block, one side of the two side plates is fixedly connected to a fixing rod, the two fixing rods penetrate the side wall of the control platform module and extend into the cavity, one end of the two fixing rods is fixedly connected to a threaded block, and the bottom of the control platform module is provided with a connecting base, and both sides of the connecting base have clamping grooves, and the clamping block extends into the clamping groove.
[0012] Preferably, a threaded rod is provided inside the cavity, both ends of the threaded rod are connected to the side walls of the cavity by bearings, the threads on both sides of the outside of the threaded rod have opposite rotation directions, the threaded rod passes through the threaded block and is connected to the threaded block by threads, a first bevel gear is provided on the outside of the threaded rod, a second bevel gear is provided on one side of the first bevel gear, the first bevel gear is meshed with the second bevel gear, and a transmission shaft is fixedly connected to one side of the second bevel gear, the transmission shaft passes through the top of the fixed base and is connected to the top of the fixed base by a bearing, one end of the transmission shaft is fixedly connected to a knob, a support plate is fixedly provided on the inside of the cavity, the transmission shaft passes through the support plate and is connected to the support plate by a bearing.
[0013] Preferably, a telescopic rod is fixedly connected to one side of the support block, the other end of the telescopic rod is fixedly connected to a side wall of the fixed base, and a spring is provided on an external fixed sleeve of the telescopic rod.
[0014] The embodiments of the present invention have the following advantages:
[0015] 1. During the catalytic combustion of coal, when the interlocking control model module detects that the exhaust gas concentration fluctuates greatly and the operating conditions are extremely unstable, the intelligent interlocking control model is used to automatically detect the operating conditions, thereby avoiding lag and deviation in the control of the equipment and preventing the operation guidance from deviating from the optimal operating conditions, so that the power consumption of the equipment can be increased and decreased with the fluctuation of the exhaust gas, thereby achieving the purpose of reducing carbon emissions, reducing waste heat loss, improving the thermal efficiency utilization rate of the boiler, improving safety performance, and increasing the economic effect of boiler combustion;
[0016] 2. The support block moves and drives the card block to move. The card block moves and engages with the card slot on the inner side of the connecting base. When the support block moves, it drives the two side plates to move. The side plates move and pull the two connecting plates to move, so that the sliding pins on one side of the two connecting plates slide in the sliding slot. At the same time, the telescopic rod and spring between the support block and the fixed base have a supporting function, which facilitates the installation and disassembly of the sensor body and its inspection and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
[0018] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.
[0019] Figure 1 A schematic diagram of the system structure provided by the present invention;
[0020] Figure 2 A cross-sectional view of a fixed base provided by the present invention.
[0021] In the figure: 1 control platform module, 2 distributed control system module, 3 coal quality data module, 4 equipment status input module, 5 database module, 6 data preprocessing module, 7 sensor assembly module, 8 smoke concentration detector module, 9 smoke and flue gas tester module, 10 interlocking control model module, 11 combustion control module, 12 denitrification module, 13 electrical dust removal module, 14 fan compensation module, 15 wind baffle module, 16 air volume ratio module, 17 high-efficiency ammonia injection module, 18 Burner module, 19 fan power control module, 20 each module temperature module, 21 fixed base, 22 cavity, 23 fixed rod, 24 telescopic rod, 25 spring, 26 support block, 27 side plate, 28 block, 29 connecting plate, 30 sliding pin, 31 slide groove, 32 lifting ear, 33 transmission shaft, 34 support rod, 35 knob, 36 sensor body, 37 support plate, 38 first bevel gear, 39 second bevel gear, 40 threaded rod, 41 threaded block, 42 connecting base. DETAILED DESCRIPTION
[0022] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are 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.
[0023] See attached Figure 1-2The present invention provides a low-carbon and high-efficiency catalytic combustion system based on intelligent interlocking control, comprising a control platform module 1, a combustion control module 11 is provided at the connection end of the control platform module 1, and the combustion control module 11 includes a denitration module 12, an electric dust removal module 13, an air volume ratio module 16, an efficient ammonia injection module 17, a burner module 18, a fan power control module 19 and each module temperature module 20, an interlocking control model module 10 is provided at the connection end of the control platform module 1, and the interlocking control model module 10 includes a sensor assembly module 7, a smoke concentration detector module 8 and a smoke and flue gas tester module 9, and the connection end of the air volume ratio module 16 is respectively provided with a fan compensation module 14 and a wind baffle Module 15, the air volume ratio module 16 is electrically connected to the fan compensation module 14 and the wind baffle module 15 respectively, the control platform module 1 is electrically connected to the combustion control module 11, the control platform module 1 is electrically connected to the interlocking control model module 10, the control platform module 1 is provided with a distributed control system module 2 at the connection end, the distributed control system module 2 is respectively provided with a coal quality data module 3 and an equipment status input module 4 at the connection end, the control platform module 1 is electrically connected to the distributed control system module 2, the distributed control system module 2 is respectively electrically connected to the coal quality data module 3 and the equipment status input module 4, and the distributed control system module 2 includes a database module 5 and a data preprocessing module 6;
[0024] In this embodiment, the acquired combustion conditions are processed and analyzed by the control platform module 1, and efficient catalytic combustion control is performed through the combustion control module 11. The temperature sensors on the temperature modules 20 of each module monitor the temperature information of each monitoring point of the equipment at all times, so as to facilitate cooling of the equipment. The fan power is controlled by the fan power control module 19, so as to facilitate the fan to increase or reduce energy consumption. The burner power is controlled by the burner module 18, and the air volume is matched by the air volume matching module 16. The wind baffle module 15 adjusts the wind baffle to facilitate wind operation. The wind force is compensated by the fan compensation module 14. The efficient ammonia injection module 17 performs efficient ammonia injection to save the use of reducing agent, reduce ammonia escape, further reduce the corrosion of the wind and smoke system equipment, and make the unit safer and more economical. The power of the dust removal equipment is adjusted by the electric dust removal module 13, and the power of the flue gas denitrification is adjusted by the denitrification module 12.
[0025] Among them, in order to achieve the purpose of installation and disassembly, the present device is implemented by the following technical solutions: the control platform module 1 includes a fixed base 21, a cavity 22 is opened inside the fixed base 21, two support rods 34 are fixedly connected to the top of the fixed base 21, and sensor bodies 36 are fixedly provided on the tops of the two support rods 34. Limiting components are provided on both sides of the control platform module 1, and the limiting components include two lifting ears 32, and the two lifting ears 32 are fixedly connected to the fixed base 21. One side of the two lifting ears 32 is opened with a slide groove 31, and the inner side of the two slide grooves 31 is provided with a sliding pin 30. One side of the two sliding pins 30 is connected to a connecting plate 29 through a bearing, and the other side of the two connecting plates 29 is connected to There are side panels 27, a support block 26 is fixedly connected between the two side panels 27, a clamping block 28 is fixedly connected to one side of the support block 26, a fixing rod 23 is fixedly connected to one side of the two side panels 27, the two fixing rods 23 penetrate the side wall of the control platform module 1 and extend into the cavity 22, one end of the two fixing rods 23 is fixedly connected to a threaded block 41, a connecting base 42 is provided at the bottom of the control platform module 1, both sides of the connecting base 42 are provided with clamping grooves, the clamping block 28 extends into the inside of the clamping groove, a threaded rod 40 is provided inside the cavity 22, both ends of the threaded rod 40 are connected to the side wall of the cavity 22 through bearings, the threads on both sides of the outside of the threaded rod 40 are in opposite directions, the threaded rod 40 penetrates the threaded block 41 and is connected to the cavity 22. The threaded block 41 is connected by threads, and the threaded rod 40 is fixedly sleeved with a first bevel gear 38 on the outside, and a second bevel gear 39 is provided on one side of the first bevel gear 38. The first bevel gear 38 is meshed with the second bevel gear 39, and a transmission shaft 33 is fixedly connected to one side of the second bevel gear 39. The transmission shaft 33 passes through the top of the fixed base 21 and is connected to the top of the fixed base 21 through a bearing. A knob 35 is fixedly connected to one end of the transmission shaft 33. A support plate 37 is fixedly provided on the inside of the cavity 22. The transmission shaft 33 passes through the support plate 37 and is connected to the support plate 37 through a bearing. The fixed base 21 is placed in the connecting base 42, and the connecting base 42 is pre-installed on the equipment. The disassembly of the sensor body 36 facilitates the sensor to be operated. Maintenance and inspection, when the fixed base 21 is placed in the connecting base 42, turn the knob 35, the knob 35 rotates and drives the transmission shaft 33 to rotate, the transmission shaft 33 rotates and drives the second bevel gear 39 to rotate, the second bevel gear 39 rotates and drives the first bevel gear 38 to rotate, the first bevel gear 38 rotates and drives the threaded rod 40 to rotate, the threaded rod 40 rotates and drives the two threaded blocks 41 to move to both sides, the threaded block 41 moves and drives the fixed rod 23 to move, the fixed rod 23 moves and drives the support block 26 to move, the support block 26 moves and drives the clamping block 28 to move, the clamping block 28 moves and engages with the clamping groove on the inner side of the connecting base 42, and when the support block 26 moves, it will drive the two side plates 27 to move, the side plates 27 move and pull the two connecting plates 29 to move,Make the sliding pins 30 on one side of the two connecting plates 29 slide in the sliding grooves 31;
[0026] Among them, in order to achieve the purpose of support, the present device is implemented by the following technical solution: a telescopic rod 24 is fixedly connected to one side of the support block 26, the other end of the telescopic rod 24 is fixedly connected to the side wall of the fixed base 21, and a spring 25 is fixedly sleeved outside the telescopic rod 24. The telescopic rod 24 and the spring 25 between the support block 26 and the fixed base 21 have a supporting function.
[0027] The use process of the present invention is as follows: when using the present invention, an interlocking control model is created through the interlocking control model module 10, various detection sensors are installed in the model using the sensor collection module 7, and connected through wires, and a smoke concentration detector module 8 and a smoke and smoke tester module 9 are installed. The smoke concentration detector module 8 has multiple functions such as continuous monitoring of particulate matter concentration, timed sampling, and alarm for excessive dust concentration. The smoke and smoke tester module 9 can measure smoke dynamic pressure, smoke static pressure, pressure before the flow meter, temperature before the flow meter, smoke temperature, moisture content, CO2, SO2, CO, NO, NO2, H2S, CO2, constant speed suction flow rate, etc., and send the detected fluctuation data to the control platform module 1. The distributed control system module 2 will upload the equipment data in advance, including coal quality data, equipment status data, and classify the data, through the control platform Module 1 processes and analyzes the acquired combustion conditions, and performs efficient catalytic combustion control through the combustion control module 11. The temperature sensors on the temperature modules 20 of each module monitor the temperature information of each monitoring point of the equipment at all times, which is convenient for cooling the equipment. The fan power is controlled by the fan power control module 19, which is convenient for the fan to increase or reduce energy consumption. The burner power is controlled by the burner module 18, and the air volume is matched by the air volume matching module 16. The wind baffle module 15 adjusts the wind baffle to facilitate wind operation. The wind force is compensated by the fan compensation module 14. The efficient ammonia injection module 17 performs efficient ammonia injection to save the use of reducing agent, reduce ammonia escape, and further reduce the corrosion of wind and smoke system equipment, making the unit safer and more economical. The power of the dust removal equipment is adjusted by the electric dust removal module 13, and the power of flue gas denitrification is adjusted by the denitration module 12.
[0028] When installing the sensor body 36, first put the fixed base 21 into the connecting base 42. The connecting base 42 is pre-installed on the equipment. The disassembly of the sensor body 36 facilitates the maintenance and repair of the sensor. When the fixed base 21 is placed in the connecting base 42, turn the knob 35, the knob 35 rotates and drives the transmission shaft 33 to rotate, the transmission shaft 33 rotates and drives the second bevel gear 39 to rotate, the second bevel gear 39 rotates and drives the first bevel gear 38 to rotate, the first bevel gear 38 rotates and drives the threaded rod 40 to rotate, the threaded rod 40 rotates and drives The two threaded blocks 41 are moved to both sides, the threaded blocks 41 move and drive the fixed rod 23 to move, the fixed rod 23 moves and drives the support block 26 to move, the support block 26 moves and drives the clamping block 28 to move, the clamping block 28 moves and engages with the clamping groove on the inner side of the connecting base 42, and when the support block 26 moves, it will drive the two side plates 27 to move, the side plates 27 move and pull the two connecting plates 29 to move, so that the sliding pins 30 on one side of the two connecting plates 29 slide in the sliding groove 31, and at the same time, the telescopic rod 24 and the spring 25 between the support block 26 and the fixed base 21 have a supporting effect.
[0029] The above is only a preferred embodiment of the present invention. Any person skilled in the art may modify the present invention by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.
Claims
1. A low-carbon and high-efficiency catalytic combustion system based on intelligent interlocking control, comprising a control platform module (1), characterized in that: The control platform module (1) is provided with a combustion control module (11) at the connection end, and the combustion control module (11) includes a denitration module (12), an electric dust removal module (13), an air volume ratio module (16), a high-efficiency ammonia injection module (17), a burner module (18), a fan power control module (19) and each module temperature module (20); the control platform module (1) includes a fixed base (21), a cavity (22) is provided inside the fixed base (21), two support rods (34) are fixedly connected to the top of the fixed base (21), and sensor bodies (36) are fixedly provided on the tops of the two support rods (34); both sides of the control platform module (1) are provided with limit assemblies, and the limit assemblies include two lifting ears (32), and the two lifting ears (32) are fixedly connected to the fixed base (21), and the two lifting ears (32) are fixedly connected to the fixed base (21). A slide groove (31) is provided on one side, and a slide pin (30) is provided inside the two slide grooves (31). One side of the two slide pins (30) is connected to a connecting plate (29) through a bearing, and the other side of the two connecting plates (29) is connected to a side plate (27) through a bearing. A support block (26) is fixedly connected between the two side plates (27), and a clamping block (28) is fixedly connected to one side of the support block (26). A fixing rod (23) is fixedly connected to one side of the two side plates (27). The two fixing rods (23) penetrate the side wall of the control platform module (1) and extend into the cavity (22). One end of the two fixing rods (23) is fixedly connected to a threaded block (41). A connecting base (42) is provided at the bottom of the control platform module (1), and clamping grooves are provided on both sides of the connecting base (42), and the clamping block (28) extends into the inside of the clamping grooves. The control platform module (1) is electrically connected to the interlocking control model module (10); A threaded rod (40) is provided inside the cavity (22), and both ends of the threaded rod (40) are connected to the side wall of the cavity (22) through bearings. The threads on the two sides of the outside of the threaded rod (40) are in opposite directions. The threaded rod (40) passes through the threaded block (41) and is connected to the threaded block (41) through threads. A first bevel gear (38) is fixedly sleeved outside the threaded rod (40), and a second bevel gear (39) is provided on one side of the first bevel gear (38). The first bevel gear (38) meshes with the second bevel gear (39). A transmission shaft (33) is fixedly connected to one side of the second bevel gear (39). The transmission shaft (33) passes through the top of the fixed base (21) and is connected to the top of the fixed base (21) through a bearing. A knob (35) is fixedly connected to one end of the transmission shaft (33). A support plate (37) is fixedly provided inside the cavity (22), and the transmission shaft (33) passes through the support plate (37) and is connected to the support plate (37) through a bearing. A telescopic rod (24) is fixedly connected to one side of the support block (26); the other end of the telescopic rod (24) is fixedly connected to the side wall of the fixed base (21); and a spring (25) is fixedly sleeved outside the telescopic rod (24).
2. A low-carbon and high-efficiency catalytic combustion system based on intelligent interlocking control according to claim 1, characterized in that: An interlocking control model module (10) is provided at the connection end of the control platform module (1), and the interlocking control model module (10) comprises a sensor assembly module (7), a smoke concentration detector module (8) and a smoke and flue gas tester module (9).
3. A low-carbon and high-efficiency catalytic combustion system based on intelligent interlocking control according to claim 1, characterized in that: The control platform module (1) is provided with a distributed control system module (2) at its connection end, and the distributed control system module (2) is provided with a coal quality data module (3) and an equipment status input module (4) at its connection end; the control platform module (1) is electrically connected to the distributed control system module (2), and the distributed control system module (2) is electrically connected to the coal quality data module (3) and the equipment status input module (4).
4. A low-carbon and high-efficiency catalytic combustion system based on intelligent interlocking control according to claim 3, characterized in that: The distributed control system module (2) comprises a database module (5) and a data preprocessing module (6).
5. A low-carbon and high-efficiency catalytic combustion system based on intelligent interlocking control according to claim 1, characterized in that: The connection ends of the air volume matching module (16) are respectively provided with a fan compensation module (14) and a wind deflector module (15), and the air volume matching module (16) is respectively electrically connected to the fan compensation module (14) and the wind deflector module (15).
6. A low-carbon and high-efficiency catalytic combustion system based on intelligent interlocking control according to claim 1, characterized in that: The control platform module (1) is electrically connected to the combustion control module (11).
Citation Information
Patent Citations
Low-carbon efficient catalytic combustion system based on intelligent interlocking control
CN217584526U