A high-efficiency energy-saving boiler and its control method

Abstract

This invention discloses a high-efficiency and energy-saving boiler and its control method, relating to the field of boiler equipment technology. It includes a main body, with a front smoke box and a rear smoke box fixedly installed at both ends. A first drive motor is fixedly installed on the outer wall of the rear smoke box. By starting the first drive motor, a reciprocating screw rotates, causing a movable ring to reciprocate linearly along the screw, driving a scraping ring to slide against the inner wall of the furnace to scrape away dirt. A rotating control block drives an adjusting screw to rotate, causing a limiting screw to extend and engage with a limiting hole, fixing the scraping mechanism and preventing shaking during operation. After prolonged use, once the scraping ring has effectively cleaned the inside of the furnace, the control block can be turned to rotate the adjusting screw. As the adjusting screw rotates, the limiting screw retracts into the inlet hole, simultaneously pulling the first drive motor to remove the reciprocating screw and scraping ring from inside the furnace, facilitating cleaning of the reciprocating screw, scraping ring, and the inside of the furnace.

Description

Technical Field

[0001] This invention relates to the field of boiler equipment technology, and in particular to a high-efficiency and energy-saving boiler and its control method. Background Technology

[0002] As a core thermal energy device in industrial production and heating, boilers have always been a key focus of the industry in terms of operating efficiency, energy consumption, and ease of maintenance. Traditional boilers, after long-term use, suffer from significant problems with heat transfer and cleaning of the furnace shell. As the core area for combustion and heat exchange, the inner wall of the furnace shell is prone to scale or ash buildup after prolonged use, leading to increased thermal resistance and a significant decrease in heat transfer efficiency. To maintain output power, more fuel is required, increasing both energy consumption and emissions. Furthermore, traditional cleaning methods rely on manual shutdown, which is not only time-consuming but may also fail to thoroughly clean the boiler due to structural limitations, resulting in high maintenance costs and disruption to production continuity. Additionally, traditional boilers often use a single pipe for direct water injection, leading to localized water accumulation and uneven water temperature distribution within the boiler. Temperatures near the inlet are lower, while areas further away are prone to localized overheating. This not only reduces steam generation efficiency but also accelerates furnace shell metal fatigue, shortening the equipment's lifespan.

[0003] Based on the above problems, the development of a boiler and its control method that can automatically clean furnace scale, optimize water inlet distribution, facilitate maintenance, and achieve high efficiency and energy saving has become an urgent need for the industry. Summary of the Invention

[0004] The purpose of this invention is to provide a high-efficiency and energy-saving boiler and its control method, which solves the technical problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a high-efficiency and energy-saving boiler and its control method, comprising a body, a front smoke box and a rear smoke box fixedly disposed at both ends of the body, a first drive motor fixedly disposed on the outer wall of the rear smoke box, a bearing fixedly disposed on the outer wall of the output shaft of the first drive motor, a flange plate disposed on the outer wall of the bearing, a reciprocating screw fixedly disposed at the output end of the first drive motor, a movable ring slidably disposed on the outer wall of the reciprocating screw, a connecting rod fixedly disposed on the outer wall of the movable ring, a cleaning ring fixedly disposed on the outer wall of the connecting rod, and a plurality of plate holes opened on the outer wall of the flange plate, wherein a limit device is fixedly inserted into the inner wall of each plate hole; Each of the limiting devices includes a limiting post, and a limiting screw is rotatably inserted into the inner wall of each limiting post. Each limiting post has a post hole on its outer wall and a cavity on its inner wall. Each limiting post has an adjusting screw and a limiting screw on its inner wall. The outer wall of each limiting screw is rotatably inserted into the inner wall of the corresponding post hole. A control block is fixedly installed on the outer wall of the end of each adjusting screw away from the corresponding limiting post. A limiting cap is fixedly installed on the outer wall of one end of each limiting screw. The outer wall of the rear smoke box has a through hole and several positioning holes. A limiting hole is formed in the inner wall of each positioning hole. A burner is fixedly inserted into the outer wall of the front smoke box on the side away from the main body. The bottom wall of the front smoke box is fixed... The furnace is equipped with an exhaust pipe. The main body located on the front side of the front smoke box is the front tube plate of the combustion chamber, and the main body located on the rear side of the rear smoke box is the rear tube plate of the combustion chamber. A threaded smoke pipe and a furnace shell are provided between the front tube plate and the rear tube plate of the combustion chamber. The output end of the burner is located inside the furnace shell. The inner wall of each positioning hole is slidably inserted into the outer wall of the corresponding limiting post. The inner diameter of the limiting hole is larger than the inner diameter of the positioning hole. The limiting screw and the corresponding adjusting screw abut against each other. A baffle is fixedly provided on the outer wall of the end of the reciprocating screw away from the first drive motor. The inner wall of the movable ring has an annular hole. The inner wall of the annular hole is threadedly connected to the outer wall of the reciprocating screw. The outer wall of the cleaning ring and the inner wall of the furnace shell are slidably connected through the first drive motor, the reciprocating screw, and the movable ring.

[0006] Preferably, a second drive motor is fixedly installed on the top outer wall of the main body, the output end of the second drive motor extends into the interior of the main body, a spiral auger conveyor blade is fixedly installed on the output end of the second drive motor, a connecting ring is fixedly installed on the inner wall of the main body, a plurality of fixing rods are fixedly installed on the bottom outer wall of the connecting ring, and the same connecting column is fixedly installed on the outer wall of the end of the plurality of fixing rods away from the connecting ring, and a water inlet is opened on the bottom outer wall of the connecting column.

[0007] Preferably, the outer wall of the main body is fixedly provided with a maintenance valve, a pressure gauge, a water pump, and a control box; the bottom outer wall of the main body is fixedly provided with a drain valve; the top outer wall of the main body is fixedly provided with a main steam valve; and the bottom outer wall of the main body is fixedly provided with a base.

[0008] Preferably, the spiral auger conveyor blade is located inside the water inlet.

[0009] A control method for a high-efficiency and energy-saving boiler includes the following steps:

[0010] Start the control box, preset the operating parameters through the control box, start the water pump to send external water into the body through the water inlet of the connecting column, and start the second drive motor to drive the spiral auger conveyor blades to rotate, stir the water and push it evenly around the furnace. Start the burner to burn fuel in the furnace to generate heat. The heat is transferred to the water medium through the furnace and the threaded flue. The generated steam is output through the main steam valve. The flue gas is collected in the front smoke box and discharged from the exhaust pipe.

[0011] The pressure gauge monitors the internal pressure in real time and feeds it back to the control box. The control box automatically adjusts the fuel supply of the burner based on the pressure data. The temperature sensor monitors the water temperature, and the control box links the water pump to adjust the water inlet flow rate to maintain a stable water temperature.

[0012] When the boiler runs continuously for a preset time or the pressure rises abnormally, the control box automatically starts the first drive motor. The first drive motor drives the reciprocating screw to rotate, and the movable ring moves in a reciprocating linear motion along the screw. Through the connecting rod, it drives the scraping ring to slide against the inner wall of the furnace to scrape off the scale. During the cleaning process, the limiting device on the flange plate is inserted into the positioning hole of the rear smoke box through the limiting post, and the limiting screw is locked into the limiting hole to ensure the stable operation of the scraping mechanism.

[0013] When manual maintenance is required, turn off the burner and drive motor. After the internal pressure drops to a safe value, open the maintenance valve to release the pressure. Turn the control block to rotate the adjusting screw, so that the limit screw retracts into the column hole. Pull the first drive motor to remove the reciprocating screw and cleaning ring from the furnace chamber to complete the cleaning or replacement of the parts. Open the drain valve regularly to discharge the sludge. After maintenance, reassemble and start the machine.

[0014] If the pressure gauge detects that the pressure exceeds the safety threshold, the control box will immediately shut down the burner and trigger the main steam valve to automatically release pressure. If the drive motor or transmission components malfunction, the control box will automatically cut off the motor power and issue an alarm signal.

[0015] Compared with related technologies, the high-efficiency energy-saving boiler and its control method provided by the present invention have the following beneficial effects:

[0016] 1. This invention provides a high-efficiency and energy-saving boiler and its control method. By starting the first drive motor, the reciprocating screw is rotated. The movable ring, being threadedly connected to the reciprocating screw, moves in a reciprocating linear motion along the screw. Through the connecting rod, the cleaning ring slides tightly against the inner wall of the furnace to scrape away dirt. The limiting device on the flange plate is inserted into the positioning hole of the rear smoke box through the limiting post. Rotating the control block drives the adjusting screw to rotate, causing the limiting screw to extend and engage with the limiting hole, fixing the cleaning mechanism and preventing shaking during operation. After long-term use of the boiler, after the cleaning ring has effectively cleaned the inside of the furnace, the control block can be turned to drive the adjusting screw to rotate. As the adjusting screw rotates, it drives the limiting screw to retract into the post hole, simultaneously pulling the first drive motor to remove the reciprocating screw and the cleaning ring from inside the furnace, facilitating cleaning of the reciprocating screw, the cleaning ring, and the inside of the furnace.

[0017] 2. This invention provides a high-efficiency and energy-saving boiler and its control method. External water is pumped into the boiler through the inlet of the connecting column by a water pump. The second drive motor drives the spiral auger conveyor blades to rotate, which stirs and pushes the water upward, so that the water flow is evenly distributed, avoids local water temperature imbalance, and improves heat exchange efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the overall structure of the present invention from another angle;

[0020] Figure 3 This is a schematic diagram of the structure of the first drive motor of the present invention;

[0021] Figure 4 This is a schematic diagram of the structure at the through hole of the present invention;

[0022] Figure 5 For the present invention Figure 4 Enlarged view of the structure at point A in the middle;

[0023] Figure 6 This is a schematic diagram of the reciprocating lead screw of the present invention;

[0024] Figure 7 This is an exploded view of a portion of the reciprocating lead screw of the present invention;

[0025] Figure 8 For the present invention Figure 7 Enlarged view of the structure at point B in the middle;

[0026] Figure 9 This is a partial structural cross-sectional view of the limiting post of the present invention;

[0027] Figure 10 This is a schematic diagram of the furnace shell structure of the present invention;

[0028] Figure 11 This is an exploded view of a portion of the spiral auger conveyor blade of the present invention.

[0029] In the diagram: 1. Main body; 2. Front smoke box; 3. Rear smoke box; 301. Through hole; 302. Limiting hole; 303. Positioning hole; 4. Burner; 5. First drive motor; 501. Flange plate; 5011. Plate hole; 502. Reciprocating screw; 5021. Baffle; 503. Moving ring; 504. Connecting rod; 505. Scraping ring; 506. Ring hole; 507. Limiting device; 508. Limiting post; 509. Cavity; 510. Adjusting screw 511. Rod; 512. Control block; 513. Column hole; 514. Limit screw; 515. Limit cap; 6. Second drive motor; 601. Connecting column; 602. Fixing rod; 603. Connecting ring; 604. Water inlet; 605. Spiral auger conveyor blade; 7. Inspection valve; 8. Sewage valve; 9. Exhaust pipe; 10. Pressure gauge; 11. Water pump; 12. Control box; 13. Threaded smoke pipe; 14. Furnace shell; 15. Main steam valve; 16. Base. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0031] Example 1:

[0032] Please see Figures 1-9This invention provides a technical solution: a high-efficiency energy-saving boiler and its control method, comprising a body 1, with a front smoke box 2 and a rear smoke box 3 fixedly installed at both ends of the body 1, a first drive motor 5 fixedly installed on the outer wall of the rear smoke box 3, a bearing fixedly installed on the outer wall of the output shaft of the first drive motor 5, a flange plate 501 installed on the outer wall of the bearing, a reciprocating screw 502 fixedly installed at the output end of the first drive motor 5, a movable ring 503 slidably installed on the outer wall of the reciprocating screw 502, a connecting rod 504 fixedly installed on the outer wall of the movable ring 503, a cleaning ring 505 fixedly installed on the outer wall of the connecting rod 504, and a plurality of plate holes 5011 opened on the outer wall of the flange plate 501, each plate hole 5011... Each limiting device 507 is fixedly inserted into the inner wall of each limiting device 507; each limiting device 507 includes a limiting post 508, and a limiting screw 513 is rotatably inserted into the inner wall of each limiting post 508. Each limiting post 508 has a post hole 512 on its outer wall and a cavity 509 on its inner wall. Each limiting post 508 has an adjusting screw 510 and a limiting screw 513 on its inner wall. The outer wall of each limiting screw 513 is rotatably inserted into the inner wall of the corresponding post hole 512. A control block 511 is fixedly installed on the outer wall of the end of each adjusting screw 510 away from the corresponding limiting post 508. A limiting cap is fixedly installed on the outer wall of one end of each limiting screw 513. 514. The outer wall of the rear smoke box 3 has a through hole 301 and several positioning holes 303. Each positioning hole 303 has a limit hole 302 on its inner wall. The burner 4 is fixedly inserted into the outer wall of the front smoke box 2 away from the main body 1. The exhaust pipe 9 is fixedly installed on the bottom wall of the front smoke box 2. The outer wall of the main body 1 is fixedly installed with a maintenance valve 7, a pressure gauge 10, a water pump 11, and a control box 12. The bottom outer wall of the main body 1 is fixedly installed with a drain valve 8. The top outer wall of the main body 1 is fixedly installed with a main steam valve 15. The bottom outer wall of the main body 1 is fixedly installed with a base 16. The front tube sheet of the combustion chamber is located on the side of the main body 1 located in the front smoke box 2. The rear tube sheet of the combustion chamber is located on the side of the main body 1 located in the rear smoke box 3. The front tube sheet of the combustion chamber and the rear tube sheet of the combustion chamber are connected. A threaded flue pipe 13 and a furnace 14 are provided between the plates. The output end of the burner 4 is located inside the furnace 14. The inner wall of each positioning hole 303 is slidably inserted into the outer wall of the corresponding limiting post 508. The inner diameter of the limiting hole 302 is larger than the inner diameter of the positioning hole 303. The limiting screw 513 and the corresponding adjusting screw 510 abut against each other. A baffle 5021 is fixedly provided on the outer wall of the end of the reciprocating screw 502 away from the first drive motor 5. An annular hole 506 is opened on the inner wall of the movable ring 503. The inner wall of the annular hole 506 is threadedly connected to the outer wall of the reciprocating screw 502. The outer wall of the cleaning ring 505 is slidably connected to the inner wall of the furnace 14 through the first drive motor 5, the reciprocating screw 502, and the movable ring 503.

[0033] A second drive motor 6 is fixedly installed on the top outer wall of the main body 1. The output end of the second drive motor 6 extends into the interior of the main body 1. A spiral auger conveyor blade 605 is fixedly installed on the output end of the second drive motor 6. A connecting ring 603 is fixedly installed on the inner wall of the main body 1. Several fixing rods 602 are fixedly installed on the bottom outer wall of the connecting ring 603. The same connecting column 601 is fixedly installed on the outer wall of the end of the several fixing rods 602 away from the connecting ring 603. A water inlet 604 is opened on the bottom outer wall of the connecting column 601. The spiral auger conveyor blade 605 is located inside the water inlet 604.

[0034] Start the control box 12, preset the operating parameters through the control box 12, start the water pump 11 to send external water into the body 1 through the water inlet 604 of the connecting column 601, and at the same time start the second drive motor 6 to drive the spiral auger conveyor blade 605 to rotate, stir the water and push it evenly around the furnace 14; start the burner 4 to burn fuel in the furnace 14 to generate heat, the heat is transferred to the water medium through the furnace 14 and the threaded smoke pipe 13, the generated steam is output through the main steam valve 15, and the flue gas is collected in the front smoke box 2 and discharged from the exhaust pipe 9;

[0035] Pressure gauge 10 monitors the pressure inside body 1 in real time and feeds it back to control box 12. Control box 12 automatically adjusts the fuel supply of burner 4 according to the pressure data. Water temperature is monitored by temperature sensor, and control box links water pump 11 to adjust water flow rate to maintain stable water temperature.

[0036] When the boiler runs continuously for a preset time or the pressure rises abnormally, the control box 12 automatically starts the first drive motor 5. The first drive motor 5 drives the reciprocating screw 502 to rotate, and the movable ring 503 moves in a reciprocating linear motion along the screw. Through the connecting rod 504, it drives the cleaning ring 505 to slide tightly against the inner wall of the furnace 14 to scrape off the scale. During the cleaning process, the limiting device 507 on the flange plate 501 is inserted into the positioning hole 303 of the rear smoke box 3 through the limiting post 508, and the limiting screw 513 is engaged in the limiting hole 302 to ensure the stable operation of the cleaning mechanism.

[0037] When manual maintenance is required, turn off the burner 4 and drive motor. After the pressure inside the main body 1 drops to a safe value, open the maintenance valve 7 to release the pressure. Turn the control block 511 to drive the adjusting screw 510 to rotate, so that the limit screw 513 retracts into the column hole 512. Pull the first drive motor 5 to remove the reciprocating screw 502 and the cleaning ring 505 from the furnace shell 14 to complete the cleaning or replacement of the parts. Open the drain valve 8 regularly to discharge the slag. After maintenance, reassemble and start the machine.

[0038] If pressure gauge 10 detects that the pressure exceeds the safety threshold, control box 12 immediately shuts down burner 4 and triggers main steam valve 15 to automatically release pressure; if the drive motor or transmission components are abnormal, control box 12 automatically cuts off the motor power and issues an alarm signal.

[0039] In this embodiment, after long-term use of the boiler, ash or scale easily accumulates on the inner wall of the furnace shell 14, affecting the heat conduction efficiency. By starting the first drive motor 5, the reciprocating screw 502 is driven to rotate. The movable ring 503, being threadedly connected to the reciprocating screw 502, makes a reciprocating linear motion along the screw. Through the connecting rod 504, it drives the cleaning ring 505 to slide tightly against the inner wall of the furnace shell, scraping away the dirt. The limiting device 507 on the flange plate 501 is inserted into the positioning hole 303 of the rear smoke box 3 through the limiting post 508. The rotation control block 511 drives the adjusting screw 510 to rotate, causing the limiting screw 513 to extend and engage with the limiting hole 302, fixing the cleaning mechanism and preventing shaking during operation. At the same time, after long-term use of the boiler, the cleaning ring 505... After effectively cleaning the inside of the furnace 14, the control block 511 can be turned to drive the adjusting screw 510 to rotate. As the adjusting screw 510 rotates, it drives the limit screw 513 to retract into the inlet hole 512. At the same time, the first drive motor 5 is pulled to remove the reciprocating screw 502 and the cleaning ring 505 from the inside of the furnace 14, making it easier to clean the reciprocating screw 502, the cleaning ring 505, and the inside of the furnace 14. The water pump 11 sends external water into the boiler through the water inlet 604 of the connecting column 601. The second drive motor 6 drives the spiral auger conveyor blade 605 to rotate, which stirs and pushes the water upward, making the water flow evenly distributed, avoiding local water temperature imbalance, and improving heat exchange efficiency.

[0040] Working principle: When the water pump 11 delivers external water into the boiler through the inlet 604 of the connecting column 601, the inlet pipe adopts a special diversion structure design. Multiple evenly distributed diversion holes or branch pipes are set at the inlet, allowing the water to be evenly distributed to all parts of the boiler body 1. This avoids situations where the local water flow is too large or too small, ensuring a uniform rise in water temperature throughout the entire water volume, improving the uniformity and efficiency of heat exchange. The second drive motor 6 drives the spiral auger conveyor blades 605 to rotate, thus controlling the water flow. The stirring and upward pushing action ensures uniform water flow, preventing localized temperature imbalances and improving heat exchange efficiency. After the burner 4 starts, fuels such as natural gas and oil are burned inside the furnace 14, generating high-temperature flames and flue gas. The furnace 14, as the main heat-receiving component, directly absorbs the heat from the flames and transfers it to the water inside the boiler body 1. Unutilized flue gas enters the threaded smoke pipe 13, which connects the front and rear tube sheets of the combustion chamber. The threaded structure increases the contact area between the flue gas and the tube wall, extending the heat exchange time and further releasing heat. Finally, the flue gas is collected by the front smoke box 2 and discharged through the exhaust pipe 9, reducing heat loss. Wasteful process: Water absorbs heat and heats up to boiling, generating steam that accumulates at the top of the main body 1 and is output to external equipment through the main steam valve 15. Pressure gauge 10 monitors the pressure inside the boiler in real time, and control box 12 adjusts the burner power according to the pressure data to ensure safe operation. After long-term use, ash or scale easily accumulates on the inner wall of the furnace 14, affecting heat conduction efficiency. At this time, the first drive motor 5 starts, driving the reciprocating screw 502 to rotate. The movable ring 503, because it is threadedly connected to the reciprocating screw 502, makes a reciprocating linear motion along the screw, which drives the cleaning ring 505 to slide tightly against the inner wall of the furnace 14 through the connecting rod 504 to scrape off the dirt. The limiting device 507 on 501 is inserted into the positioning hole 303 of the rear smoke box 3 through the limiting post 508. The rotating control block 511 drives the limiting screw 513 to rotate, so that the adjusting screw 510 extends and is locked into the limiting hole 302 to fix the cleaning mechanism and prevent shaking during operation. The drain valve 8 regularly discharges the sediment and sewage at the bottom of the boiler to prevent the accumulation of impurities. The maintenance valve 7 is used to empty the medium in the boiler when the machine is stopped for convenient internal maintenance. The control box 12 integrates sensor data such as pressure and water temperature, and automatically adjusts the water inlet flow through the water pump and combustion intensity to achieve energy-saving operation. If the pressure is abnormal, the main steam valve 15 can automatically depressurize.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0042] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency energy-saving boiler, comprising a body (1), characterized in that: The main body (1) is fixedly provided with a front smoke box (2) and a rear smoke box (3) at both ends respectively. The outer wall of the rear smoke box (3) is fixedly provided with a first drive motor (5). The outer wall of the output shaft of the first drive motor (5) is fixedly provided with a bearing. The outer wall of the bearing is provided with a flange plate (501). The output end of the first drive motor (5) is fixedly provided with a reciprocating screw (502). The outer wall of the reciprocating screw (502) is slidably provided with a movable ring (503). The outer wall of the movable ring (503) is fixedly provided with a connecting rod (504). The outer wall of the connecting rod (504) is fixedly provided with a cleaning ring (505). The outer wall of the flange plate (501) is provided with a plurality of plate holes (5011). The inner wall of each plate hole (5011) is fixedly connected with a limit device (507).Each of the limiting devices (507) includes a limiting post (508), and a limiting screw (513) is rotatably inserted into the inner wall of each limiting post (508). Each limiting post (508) has a post hole (512) on its outer wall, and a cavity (509) on its inner wall. Each limiting post (508) has an adjusting screw (510) and a limiting screw (513) on its inner wall. The outer wall of each limiting screw (513) rotates with the inner wall of the corresponding post hole (512). Each adjusting screw (510) has a control block (511) fixedly installed on the outer wall of the end away from the corresponding limiting post (508). Each limiting screw (513) has a limiting cap (514) fixedly installed on the outer wall of one end. The outer wall of the rear smoke box (3) has a through hole (301) and several positioning holes (303). The inner wall of each positioning hole (303) has a limiting hole (302). The burner (4) is fixedly inserted into the outer wall of the front smoke box (2) away from the main body (1). The bottom wall is fixedly provided with a flue pipe (9). The main body (1) is located on the side of the front smoke box (2) as the front tube plate of the combustion chamber, and the main body (1) is located on the side of the rear smoke box (3) as the rear tube plate of the combustion chamber. A threaded flue pipe (13) and a furnace shell (14) are provided between the front tube plate of the combustion chamber and the rear tube plate of the combustion chamber. The output end of the burner (4) is located inside the furnace shell (14). The inner wall of each positioning hole (303) is slidably inserted into the outer wall of the corresponding limiting post (508). The inner diameter of the limiting hole (302) is larger than the inner diameter of the positioning hole (303). The limiting screw (513) abuts against the corresponding adjusting screw (510). A baffle (5021) is fixedly provided on the outer wall of the end of the reciprocating screw (502) away from the first drive motor (5). An annular hole (506) is opened on the inner wall of the movable ring (503). The inner wall of the annular hole (506) is threadedly connected to the outer wall of the reciprocating screw (502). The outer wall of the scraping ring (505) is slidably connected to the inner wall of the furnace shell (14) through the first drive motor (5), the reciprocating screw (502), and the movable ring (503).

2. The high-efficiency energy-saving boiler according to claim 1, characterized in that: A second drive motor (6) is fixedly installed on the top outer wall of the main body (1). The output end of the second drive motor (6) extends into the interior of the main body (1). A spiral auger conveyor blade (605) is fixedly installed on the output end of the second drive motor (6). A connecting ring (603) is fixedly installed on the inner wall of the main body (1). Several fixing rods (602) are fixedly installed on the bottom outer wall of the connecting ring (603). The same connecting column (601) is fixedly installed on the outer wall of one end of the several fixing rods (602) away from the connecting ring (603). A water inlet (604) is opened on the bottom outer wall of the connecting column (601).

3. The high-efficiency energy-saving boiler according to claim 1, characterized in that: The outer wall of the main body (1) is fixedly provided with a maintenance valve (7), a pressure gauge (10), a water pump (11), and a control box (12). The bottom outer wall of the main body (1) is fixedly provided with a drain valve (8). The top outer wall of the main body (1) is fixedly provided with a main steam valve (15). The bottom outer wall of the main body (1) is fixedly provided with a base (16).

4. The high-efficiency energy-saving boiler according to claim 2, characterized in that: The spiral auger conveyor blade (605) is located inside the inlet (604).

5. A control method for a high-efficiency energy-saving boiler as described in any one of claims 1-4, characterized in that, Includes the following steps: Start the control box (12), preset the operating parameters through the control box (12), start the water pump (11) to send external water into the body (1) through the water inlet (604) of the connecting column (601), and at the same time start the second drive motor (6) to drive the spiral auger conveyor blade (605) to rotate, stir the water and push it evenly to the furnace (14); start the burner (4) to burn fuel in the furnace (14) to generate heat, and the heat is transferred to the water medium through the furnace (14) and the threaded smoke pipe (13). The generated steam is output through the main steam valve (15), and the flue gas is collected through the front smoke box (2) and discharged from the exhaust pipe (9); The pressure gauge (10) monitors the pressure inside the main body (1) in real time and feeds it back to the control box (12). The control box (12) automatically adjusts the fuel supply of the burner (4) according to the pressure data. The water temperature is monitored by the temperature sensor, and the control box links the water pump (11) to adjust the water flow rate and maintain the water temperature. When the boiler runs continuously for a preset time or the pressure rises abnormally, the control box (12) automatically starts the first drive motor (5). The first drive motor (5) drives the reciprocating screw (502) to rotate, and the movable ring (503) moves in a reciprocating linear motion along the screw. Through the connecting rod (504), the cleaning ring (505) slides against the inner wall of the furnace (14) to remove scale. During the cleaning process, the limiting device (507) on the flange plate (501) is inserted into the positioning hole (303) of the rear smoke box (3) through the limiting column (508), and the limiting screw (513) is inserted into the limiting hole (302) to ensure the stable operation of the cleaning mechanism. When manual maintenance is required, turn off the burner (4) and drive motor. After the pressure inside the main body (1) drops to a safe value, open the maintenance valve (7) to release the pressure. Turn the control block (511) to drive the adjusting screw (510) to rotate, so that the limit screw (513) retracts into the column hole (512). Pull the first drive motor (5) to remove the reciprocating screw (502) and the cleaning ring (505) from the furnace shell (14) to complete the cleaning or replacement of the parts. Open the drain valve (8) regularly to discharge the sludge. After maintenance, reassemble and start the machine. If the pressure gauge (10) detects that the pressure exceeds the safety threshold, the control box (12) immediately shuts down the burner (4) and triggers the main steam valve (15) to automatically release pressure; if the drive motor or transmission components are abnormal, the control box (12) automatically cuts off the motor power supply and issues an alarm signal.

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