Thermal boiler with flue gas treatment function

Abstract

The invention relates to a thermal boiler, in particular to a thermal boiler with a flue gas treatment function, which comprises a boiler, a boiler furnace, a combustion engine, a box body, circular partition plates and the like, the boiler furnace is connected to the boiler, the combustion engine is mounted on the boiler furnace, the box body is communicated to the boiler furnace, the circular partition plates are connected to the left side and the right side in the boiler, and the boiler furnace hermetically penetrates through the circular partition plate on the left side. Flame can be sprayed into the boiler furnace through the burner, water in the heating cavity is heated through heat of smoke, the smoke enters the filter element through the exhaust pipe, the smoke is purified through the filter element, emission of pollutants is controlled, the surrounding environment is protected, and construction of an environment-friendly society is promoted; water can be continuously heated through heat of water vapor and heat of purified flue gas, waste heat is recycled, the energy utilization rate is increased, and construction of a resource-saving society is promoted.

Description

Technical Field

[0001] The invention relates to a thermal boiler, in particular to a thermal boiler with flue gas treatment. Background Art

[0002] Thermal boilers are widely used equipment in industrial production and central heating systems. Their main function is to convert the heat energy generated by fuel combustion into water vapor or hot water for production and daily use.

[0003] The flue gas produced by thermal boilers during the combustion process contains a large amount of pollutants, such as sulfur dioxide, nitrogen oxides and carbon monoxide. There is no structure on the thermal boiler to treat the flue gas. Therefore, the flue gas is directly discharged into the air. The pollutants in the flue gas will not only cause serious pollution to the environment, but also cause harm to human health. Summary of the invention

[0004] In order to overcome the disadvantages that pollutants in flue gas not only cause serious pollution to the environment but also cause harm to human health, the present invention provides a thermal boiler with flue gas treatment.

[0005] The technical solution of the present invention is: a thermal boiler with flue gas treatment, including a boiler, a furnace, a burner, a box, a circular partition, a first smoke pipe, a second smoke pipe, a water inlet pipe, a first valve, a drain pipe, a second valve and a purification mechanism, the boiler is connected to the furnace, the furnace is installed with a burner, the furnace is connected with the box, the left and right sides of the boiler are connected with circular partitions, the furnace seal passes through the circular partition on the left, the circular partition divides the inside of the boiler into three chambers, the left side of the circular partition on the left is the left chamber, the right side of the circular partition on the right is the right chamber, the two circular partitions are between the heating chamber, the box is connected with the first smoke pipe, the first smoke pipe It is connected to the circular partition on the left, and the first smoke pipe is communicated with the left chamber, a second smoke pipe is connected between the two circular partitions, the left chamber and the right chamber are both communicated with the second smoke pipe, a water inlet pipe is connected to the top of the boiler, the water inlet pipe is communicated with the heating chamber, a first valve is installed on the water inlet pipe, a drain pipe is connected to the circular partition on the right, the drain pipe is communicated with the heating chamber, a second valve is installed on the drain pipe, the burner sprays flame into the furnace, and the smoke flows into the box body, the first smoke pipe, the left chamber, the second smoke pipe and the right chamber in turn, the water in the heating chamber is heated by the heat of the smoke, and a purification mechanism for purifying the smoke is provided on the boiler.

[0006] In one embodiment, the purification mechanism includes an exhaust pipe, an installation box, a rotating shaft, a rotating frame, an installation sleeve and a filter element. The exhaust pipe is connected to the top of the boiler, and the exhaust pipe is communicated with the right chamber. The top of the boiler is connected to the installation box, the exhaust pipe is located in the installation box, and the exhaust pipe passes through the top of the installation box. The top of the installation box is rotatably connected to the rotating shaft, and the rotating frame is connected to the rotating shaft. The bottom of the rotating frame is in contact with the top of the installation box. Five installation sleeves are connected to the rotating frame. Filter elements are placed in the installation sleeves. The lower end of the filter element is in contact with the upper end of the exhaust pipe, and the filter element corresponds to the exhaust pipe. The flue gas in the right chamber enters the filter element through the exhaust pipe, and the filter element purifies the flue gas.

[0007] In one of the embodiments, a recovery mechanism is also included, which includes a tank body, a first water pump, a first water pipe, a support frame, a first frame, an air outlet pipe, a third valve, a mounting frame, a second frame, a second water pipe, a reflux pipe, a hard pipe, a discharge pipe, a square partition, an air guide pipe and a storage component. The first water pump is installed on the tank body, and the water inlet end of the first water pump is connected and communicated with the tank body, and the water outlet end of the first water pump is connected with the first water pipe. The top of the boiler is connected to the support frame, and the first frame is connected to the support frame. The first water pipe and the first frame are connected and communicated. The top of the boiler is connected to the air outlet pipe, and the air outlet pipe is communicated with the heating chamber. The air outlet pipe seals and passes through the first frame. The third valve is installed on the air outlet pipe. The top of the boiler is connected to the mounting frame, and the mounting frame is connected to the second frame. The second frame and the first frame are communicated through the second water pipe. The second frame body and the tank body are connected through a reflux pipe, a hard pipe is connected in the middle of the bottom of the second frame body, the lower end of the hard pipe is in contact with the upper end of the filter element, and the hard pipe and the filter element correspond to each other, and a discharge pipe is connected to the top of the second frame body, and square partitions are connected on both the upper and lower sides of the second frame body, and the square partitions divide the inner part of the second frame body into three chambers, the upper chamber is above the upper square partition, and the lower chamber is below the lower square partition, and the waste heat chamber is between the two square partitions, the second water pipe and the reflux pipe are both in communication with the waste heat chamber, the hard pipe is in communication with the lower chamber, the discharge pipe is in communication with the upper chamber, and air ducts are evenly spaced and connected between the two square partitions, the upper chamber and the lower chamber are both in communication with the air duct, the smoke enters the lower chamber through the hard pipe, and then the smoke enters the air duct, the heat of the smoke can heat the water, and the heated water is stored in the storage assembly.

[0008] In one embodiment, the storage component includes a second water pump, a third water pipe, a storage tank, a discharge pipe and a fourth valve. The second water pump is installed on the tank body, the water inlet end of the second water pump is connected and communicated with the tank body, the water outlet end of the second water pump is connected to the third water pipe, the third water pipe is connected and communicated with the storage tank, the storage tank is connected to the discharge pipe, and the fourth valve is installed on the discharge pipe.

[0009] In one of the embodiments, a replacement mechanism is also included, which includes a gear, an electric push rod, a rack and a guide block. The rotating shaft is connected to a gear through a one-way clutch, an electric push rod is installed on the support frame, and a rack is connected to the telescopic rod of the electric push rod. The rack will mesh with the gear during the process of moving to the right. A guide block for guiding the rack is connected to the installation box, and the guide block and the rack are slidably connected.

[0010] In one of the embodiments, it also includes a limiting mechanism, which includes a limiting sleeve, a spring, a contact shaft and a push plate. The hard tube is slidably connected with a limiting sleeve for limiting the filter element, the limiting sleeve is sleeved on the filter element, a spring is connected between the second frame and the limiting sleeve, the contact shaft is connected to the limiting sleeve, and the push plate is connected to the rack. The push plate is used to push the contact shaft to move upward, and the contact shaft drives the limiting sleeve to move upward, so that the limiting sleeve and the filter element are separated.

[0011] In one of the embodiments, a guide rod is further included. The bottom of the second frame is connected to the guide rod for guiding the limiting sleeve. The guide rod and the limiting sleeve are slidably connected.

[0012] In one of the embodiments, a thermal insulation layer is also included, and the thermal insulation layer is connected to the outer surface of the boiler.

[0013] The beneficial effects are: 1. The present invention can spray flames into the furnace through the burner, heat the water in the heating chamber through the heat of the flue gas, and the flue gas enters the filter element through the exhaust pipe. The filter element purifies the flue gas, controls the emission of pollutants, protects the surrounding environment, and promotes the construction of an environmentally friendly society.

[0014] 2. The heat of water vapor and the heat of purified flue gas can be used to continuously heat water, recycle waste heat, improve energy utilization, and promote the construction of a resource-saving society.

[0015] 3. The extension of the telescopic rod of the electric push rod can drive the rack to move to the right, the rack drives the gear to rotate, the gear drives the filter element to rotate, the old filter element is turned away, and the new filter element is rotated to correspond to the exhaust pipe, the filter element is automatically replaced, and it is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional structural schematic diagram of the present invention is shown.

[0017] Figure 2 A cross-sectional view of a boiler according to the present invention is shown.

[0018] Figure 3 A three-dimensional structural schematic diagram of the purification mechanism of the present invention is shown.

[0019] Figure 4A schematic diagram of the three-dimensional structure of the exhaust pipe and the installation box of the present invention is shown.

[0020] Figure 5 The three-dimensional structural schematic diagram of the exhaust pipe, rotating frame, mounting sleeve and filter element of the present invention is shown.

[0021] Figure 6 A first stereoscopic structural schematic diagram of the recovery mechanism of the present invention is shown.

[0022] Figure 7 A second three-dimensional structural schematic diagram of the recovery mechanism of the present invention is shown.

[0023] Figure 8 A cross-sectional view of a first frame body of the present invention is shown.

[0024] Fig. 9 A cross-sectional view of a second frame of the present invention is shown.

[0025] Fig.10 A three-dimensional structural schematic diagram of the replacement mechanism of the present invention is shown.

[0026] Fig.11 A three-dimensional structural schematic diagram of the limiting mechanism of the present invention is shown.

[0027] Fig.12 A three-dimensional structural schematic diagram of the guide rod of the present invention is shown.

[0028] In the accompanying drawings: 1-boiler, 2-furnace, 3-burner, 4-box, 5-circular partition, 6-first smoke pipe, 7-second smoke pipe, 8-water inlet pipe, 9-first valve, 10-drain pipe, 11-second valve, 12-exhaust pipe, 13-installation box, 14-rotating shaft, 15-rotating frame, 16-installation sleeve, 17-filter element, 18-tank, 19-first water pump, 20-first water pipe, 21-support frame, 22-first frame, 23-exhaust pipe, 24-third Valve, 25-mounting frame, 26-second frame, 27-second water pipe, 28-reflux pipe, 29-hard pipe, 30-discharge pipe, 31-square partition, 32-air guide pipe, 33-second water pump, 34-third water pipe, 35-storage tank, 36-discharge pipe, 37-fourth valve, 38-gear, 39-electric push rod, 40-rack, 41-guide block, 42-limit sleeve, 43-spring, 44-contact shaft, 45-push plate, 46-guide rod, 47-insulation layer. DETAILED DESCRIPTION

[0029] Embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0030] like Figure 1-Figure 5As shown, a thermal boiler with flue gas treatment includes a boiler 1, a furnace 2, a burner 3, a box 4, a circular partition 5, a first smoke pipe 6, a second smoke pipe 7, a water inlet pipe 8, a first valve 9, a drain pipe 10, a second valve 11 and a purification mechanism. The left side of the boiler 1 is connected to the furnace 2, the left side of the furnace 2 is equipped with a burner 3, the right side of the furnace 2 is connected to the box 4, the left and right sides of the boiler 1 are connected to circular partitions 5, the furnace 2 seals and penetrates the circular partition 5 on the left side, the circular partition 5 divides the inside of the boiler 1 into three chambers, the left side of the circular partition 5 on the left is the left chamber, the right side of the circular partition 5 on the right is the right chamber, and the heating chamber is between the two circular partitions 5. The left side of the box 4 is connected to the first smoke pipe 6 at uniform intervals in the circumferential direction, and the left end of the first smoke pipe 6 is connected to the circular partition 5 on the left side. The boiler 1 is connected to the left chamber, and the first smoke pipe 6 is communicated with the left chamber. The second smoke pipe 7 is evenly spaced and connected between the two circular partitions 5. The left chamber and the right chamber are both communicated with the second smoke pipe 7. A water inlet pipe 8 is connected to the left side of the top of the boiler 1. The water inlet pipe 8 is communicated with the heating chamber. A first valve 9 is installed on the water inlet pipe 8. A drain pipe 10 is connected to the lower right side of the circular partition 5 on the right side. The drain pipe 10 is communicated with the heating chamber. The boiler 1, the furnace 2, the box body 4, the circular partition 5, the first smoke pipe 6, the second smoke pipe 7 and the drain pipe 10 are all made of high temperature resistant materials and can adapt to high temperature environments to improve safety and reliability. A second valve 11 is installed on the drain pipe 10. When the second valve 11 is opened, the water in the heating chamber is discharged through the drain pipe 10. The boiler 1 is provided with a purification mechanism for purifying the flue gas.

[0031] like Figure 2-Figure 5 As shown, the purification mechanism includes an exhaust pipe 12, an installation box 13, a rotating shaft 14, a rotating frame 15, an installation sleeve 16 and a filter element 17. The exhaust pipe 12 is connected to the right side of the top of the boiler 1. The exhaust pipe 12 is communicated with the right chamber. The installation box 13 is connected to the right side of the top of the boiler 1. The exhaust pipe 12 is located in the installation box 13, and the exhaust pipe 12 passes through the top of the installation box 13. The middle of the top of the installation box 13 is rotatably connected to the rotating shaft 14, and the rotating frame 15 is connected to the rotating shaft 14. The bottom of the rotating frame 15 and The top of the installation box 13 is in contact, and the rotating frame 15 is connected with five installation sleeves 16 at even intervals in the circumferential direction. Filter elements 17 are placed in the installation sleeves 16. The lower end of the filter element 17 is in contact with the upper end of the exhaust pipe 12, and the filter element 17 corresponds to the exhaust pipe 12. The rotating frame 15 is rotated, and the rotating frame 15 drives the installation sleeve 16 and the filter element 17 to rotate, the old filter element 17 is turned away, and the new filter element 17 is rotated to correspond to the exhaust pipe 12, and the filter element 17 is replaced to ensure the purification effect of the flue gas.

[0032] The staff opens the first valve 9, and then pours water into the heating chamber through the water inlet pipe 8, and then closes the first valve 9. The furnace 2, the box 4, the first smoke pipe 6 and the second smoke pipe 7 are immersed in water. The burner 3 sprays flames into the furnace 2, and the flue gas flows into the box 4, the first smoke pipe 6, the left chamber, the second smoke pipe 7 and the right chamber in sequence. The water in the heating chamber is heated by the heat of the flue gas, and the flue gas in the right chamber enters the filter element 17 through the exhaust pipe 12. The filter element 17 purifies the flue gas, controls the emission of pollutants, protects the surrounding environment, and promotes the construction of an environmentally friendly society.

[0033] like Figure 6-Figure 9As shown, a recovery mechanism is also included, which includes a tank body 18, a first water pump 19, a first water pipe 20, a support frame 21, a first frame body 22, an air outlet pipe 23, a third valve 24, a mounting frame 25, a second frame body 26, a second water pipe 27, a reflux pipe 28, a hard pipe 29, a discharge pipe 30, a square partition 31, an air guide pipe 32 and a storage component. The first water pump 19 is installed at the lower front part of the tank body 18 by bolts, the water inlet end of the first water pump 19 is connected to the lower front part of the tank body 18, and the water inlet end of the first water pump 19 is connected to the tank body 18, the water outlet end of the first water pump 19 is connected to the first water pipe 20, and two support frames 21 are connected to the middle of the top of the boiler 1 by bolts. , the two support frames 21 are arranged opposite to each other on the left and right, and the tops of the two support frames 21 are connected with a first frame 22 by bolts. The right end of the first water pipe 20 is connected to the upper left part of the first frame 22, and the first water pipe 20 is communicated with the first frame 22. An air outlet pipe 23 is connected to the middle of the top of the boiler 1, and the air outlet pipe 23 is communicated with the heating chamber. The air outlet pipe 23 seals and penetrates the first frame 22. The part of the air outlet pipe 23 located in the first frame 22 is a curved structure, which can prolong the residence time of water vapor in the air outlet pipe 23 and improve the heating efficiency. A third valve 24 is installed at the lower part of the air outlet pipe 23. The right side of the top of the boiler 1 is connected with a mounting frame 25 by bolts, and the top of the mounting frame 25 is connected by bolts A second frame 26 is connected, a second water pipe 27 is connected to the left side of the second frame 26, a left end of the second water pipe 27 is connected to the lower right side of the first frame 22, and the second water pipe 27 is connected to the first frame 22, a return pipe 28 is connected to the rear side of the second frame 26, the lower end of the return pipe 28 is connected to the top of the tank 18, and the return pipe 28 is connected to the tank 18, a hard pipe 29 is connected to the middle of the bottom of the second frame 26, the lower end of the hard pipe 29 is in contact with the upper end of the filter element 17, and the hard pipe 29 corresponds to the filter element 17, a discharge pipe 30 is connected to the middle of the top of the second frame 26, and square partitions 31 are connected to the upper and lower sides of the second frame 26, and the square partitions 31 divide the inside of the second frame 26 into three chambers The upper chamber is located above the upper square partition 31, the lower chamber is located below the lower square partition 31, the waste heat chamber is located between the two square partitions 31, the second water pipe 27 and the return pipe 28 are both connected to the waste heat chamber, the hard pipe 29 is connected to the lower chamber, the discharge pipe 30 is connected to the upper chamber, and the air duct 32 is evenly spaced and connected between the two square partitions 31. The upper chamber and the lower chamber are both connected to the air duct 32. The air duct 32 is S-shaped, which can prolong the residence time of the smoke in the air duct 32 and improve the heating efficiency. The smoke enters the lower chamber through the hard pipe 29, and then the smoke enters the air duct 32. The heat of the smoke can heat the water, and the heated water is stored in the storage component.

[0034] like Figure 7As shown, the storage assembly includes a second water pump 33, a third water pipe 34, a storage tank 35, a discharge pipe 36 and a fourth valve 37. The second water pump 33 is installed on the lower right side of the tank body 18 by bolts, the water inlet end of the second water pump 33 is connected to the lower right side of the tank body 18, and the water inlet end of the second water pump 33 is communicated with the tank body 18, the water outlet end of the second water pump 33 is connected to the third water pipe 34, the third water pipe 34 is connected to the top of the storage tank 35, and the third water pipe 34 is communicated with the storage tank 35, the lower right side of the storage tank 35 is connected to the discharge pipe 36, and the fourth valve 37 is installed on the discharge pipe 36. When the fourth valve 37 is opened, the water in the storage tank 35 is discharged through the discharge pipe 36.

[0035] When the water in the heating chamber is heated, the staff pours the water into the tank body 18, and then opens the third valve 24, the water vapor in the heating chamber enters the air outlet pipe 23, the first water pump 19 sucks the water in the tank body 18 into the first water pipe 20, the water flows into the first frame body 22 through the first water pipe 20, the air outlet pipe 23 is immersed in the water, the heat of the water vapor can heat the water, the water in the first frame body 22 flows into the waste heat chamber through the second water pipe 27, the purified flue gas will enter the lower chamber through the hard pipe 29, and then the purified flue gas will enter the upper chamber through the air guide pipe 32, and finally The purified flue gas is discharged through the exhaust pipe 30. The heat of the purified flue gas can heat the water. The heated water flows back into the tank body 18 through the reflux pipe 28. The first water pump 19 continues to operate. The heat of the water vapor and the heat of the purified flue gas continue to heat the water. The waste heat is recycled to improve the utilization rate of energy and promote the construction of a resource-saving society. After the water in the tank body 18 is heated, the second water pump 33 draws the water in the tank body 18 into the third water pipe 34. The water flows into the storage tank 35 through the third water pipe 34 for storage so that the water can be used.

[0036] like Fig.10 As shown, a replacement mechanism is also included, which includes a gear 38, an electric push rod 39, a rack 40 and a guide block 41. The upper part of the rotating shaft 14 is connected to the gear 38 through a one-way clutch, and the electric push rod 39 is installed on the front side of the right support frame 21 through bolts. The right end of the telescopic rod of the electric push rod 39 is connected to the rack 40, and the rack 40 will mesh with the gear 38 during the process of moving to the right. A guide block 41 is connected to the left side of the installation box 13, and the guide block 41 and the rack 40 are slidably connected. The guide block 41 can guide the rack 40 to improve the stability of the rack 40.

[0037] When the filter element 17 needs to be replaced, the telescopic rod of the electric push rod 39 is controlled to extend, driving the rack 40 to move to the right. When the rack 40 moves to the right and engages with the gear 38, the rack 40 drives the gear 38 to rotate, and the gear 38 drives the rotating shaft 14 to rotate. The rotating shaft 14 drives the rotating frame 15 to rotate, and the rotating frame 15 drives the mounting sleeve 16 and the filter element 17 to rotate, and the old filter element 17 is turned away, and the new filter element 17 is rotated to correspond to the exhaust pipe 12, so that the filter element 17 is automatically replaced, which is more convenient to use. After the filter element 17 is replaced, the telescopic rod of the electric push rod 39 is controlled to shorten, driving the rack 40 to move to the left. Under the action of the one-way clutch, the gear 38 will not drive the rotating shaft 14 to rotate.

[0038] like Fig.11 As shown, it also includes a limiting mechanism, which includes a limiting sleeve 42, a spring 43, a contact shaft 44 and a push plate 45. The limiting sleeve 42 is slidably connected to the hard tube 29, and the limiting sleeve 42 is sleeved on the filter element 17. A spring 43 is sleeved on the hard tube 29, and the two ends of the spring 43 are respectively connected to the second frame 26 and the limiting sleeve 42. The spring 43 is sleeved on the hard tube 29 to prevent the spring 43 from bending. The front side of the limiting sleeve 42 is connected to the contact shaft 44, and the front right part of the rack 40 is connected to the push plate 45, and the right part of the push plate 45 is tilted downward.

[0039] When the rack 40 moves to the right, it will drive the push plate 45 to move to the right. The inclined part of the push plate 45 will contact the contact shaft 44 and push the contact shaft 44 to move upward. The contact shaft 44 drives the limiting sleeve 42 to move upward, so that the limiting sleeve 42 and the filter element 17 are disengaged, and the spring 43 is compressed. Then the rack 40 will mesh with the gear 38 to replace the filter element 17. After the filter element 17 is replaced, the telescopic rod of the electric push rod 39 is controlled to shorten, driving the rack 40 to move to the left. The rack 40 drives the push plate 45 to move to the left, and the inclined part of the push plate 45 is disengaged from the contact shaft 44. Under the action of the spring 43, the limiting sleeve 42 moves downward to the filter element 17 to limit the filter element 17 and prevent the position of the filter element 17 from shifting.

[0040] like Fig.12 As shown, a guide rod 46 is also included. The guide rod 46 is connected to the bottom of the second frame 26. The guide rod 46 and the limit sleeve 42 are slidably connected. The guide rod 46 can guide the limit sleeve 42, so the limit sleeve 42 will not rotate when the push plate 45 pushes the contact shaft 44.

[0041] like Figure 1 As shown, a heat-insulating layer 47 is also included. The outer surface of the boiler 1 is connected to the heat-insulating layer 47, and the heat-insulating layer 47 can reduce heat loss.

[0042] Finally, it should be noted that the above 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, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A thermal boiler with flue gas treatment, characterized in that: The invention comprises a boiler (1), a furnace (2), a burner (3), a box (4), a circular partition (5), a first smoke pipe (6), a second smoke pipe (7), a water inlet pipe (8), a first valve (9), a drain pipe (10), a second valve (11) and a purification mechanism. The boiler (1) is connected to the furnace (2), the burner (3) is installed on the furnace (2), the furnace (2) is connected to the box (4), the left and right sides of the boiler (1) are connected to circular partitions (5), the furnace (2) is sealed and penetrates the circular partition (5) on the left side, the circular partition (5) divides the inside of the boiler (1) into three chambers, the left side of the circular partition (5) on the left side is the left chamber, the right side of the circular partition (5) on the right side is the right chamber, and the heating chamber is between the two circular partitions (5), the box (4) is connected to the first smoke pipe (6), the first smoke pipe (6) and The left circular partition (5) is connected, and the first smoke pipe (6) is communicated with the left chamber. A second smoke pipe (7) is connected between the two circular partitions (5). The left chamber and the right chamber are both communicated with the second smoke pipe (7). A water inlet pipe (8) is connected to the top of the boiler (1). The water inlet pipe (8) is communicated with the heating chamber. A first valve (9) is installed on the water inlet pipe (8). A drainage pipe (10) is connected to the right circular partition (5). The drainage pipe (10) is communicated with the heating chamber. A second valve (11) is installed on the drainage pipe (10). The burner (3) sprays flames into the furnace (2). Smoke flows into the box (4), the first smoke pipe (6), the left chamber, the second smoke pipe (7) and the right chamber in sequence. The water in the heating chamber is heated by the heat of the smoke. The boiler (1) is provided with a purification mechanism for purifying the smoke.

2. A thermal boiler with flue gas treatment as claimed in claim 1, characterized in that: The purification mechanism comprises an exhaust pipe (12), an installation box (13), a rotating shaft (14), a rotating frame (15), an installation sleeve (16) and a filter element (17). The top of the boiler (1) is connected with the exhaust pipe (12), the exhaust pipe (12) is communicated with the right chamber, the top of the boiler (1) is connected with the installation box (13), the exhaust pipe (12) is located in the installation box (13), and the exhaust pipe (12) passes through the top of the installation box (13), and the top of the installation box (13) is rotatably connected with the rotating shaft (14). A rotating frame (15) is connected to the rotating shaft (14), the bottom of the rotating frame (15) is in contact with the top of the installation box (13), five installation sleeves (16) are connected to the rotating frame (15), filter elements (17) are placed in the installation sleeves (16), the lower end of the filter element (17) is in contact with the upper end of the exhaust pipe (12), and the filter element (17) and the exhaust pipe (12) correspond to each other, the smoke in the right chamber enters the filter element (17) through the exhaust pipe (12), and the filter element (17) purifies the smoke.

3. A thermal boiler with flue gas treatment as claimed in claim 2, characterized in that: The invention also includes a recovery mechanism, which includes a tank body (18), a first water pump (19), a first water pipe (20), a support frame (21), a first frame body (22), an air outlet pipe (23), a third valve (24), a mounting frame (25), a second frame body (26), a second water pipe (27), a reflux pipe (28), a hard pipe (29), a discharge pipe (30), a square partition (31), an air guide pipe (32) and a storage component. The tank body (18) is equipped with the first water pump (19), the water inlet end of the first water pump (19) is connected and communicated with the tank body (18), and the first water pump (19) is connected to the tank body (18). ) is connected to a first water pipe (20) at a water outlet end thereof, a support frame (21) is connected to the top of the boiler (1), a first frame (22) is connected to the support frame (21), the first water pipe (20) and the first frame (22) are connected and communicate with each other, an air outlet pipe (23) is connected to the top of the boiler (1), the air outlet pipe (23) is communicated with the heating chamber, the air outlet pipe (23) is sealed and passes through the first frame (22), a third valve (24) is installed on the air outlet pipe (23), a mounting frame (25) is connected to the top of the boiler (1), a second frame (26) is connected to the mounting frame (25), and the second frame (26) The second frame (26) is connected to the first frame (22) through a second water pipe (27), the second frame (26) is connected to the tank (18) through a return pipe (28), a hard pipe (29) is connected to the middle of the bottom of the second frame (26), the lower end of the hard pipe (29) is in contact with the upper end of the filter element (17), and the hard pipe (29) and the filter element (17) correspond to each other, the top of the second frame (26) is connected to a discharge pipe (30), the upper and lower sides of the second frame (26) are connected to square partitions (31), the square partitions (31) divide the inside of the second frame (26) into three chambers, the upper side of the upper square partition (31) is the upper side of the second frame (26), and the lower side of the second frame (26) is the upper side of the second frame (26). The chamber has a lower chamber below the square partition (31), a waste heat chamber is between the two square partitions (31), the second water pipe (27) and the return pipe (28) are both connected to the waste heat chamber, the hard pipe (29) is connected to the lower chamber, the discharge pipe (30) is connected to the upper chamber, and the two square partitions (31) are evenly spaced and connected with air ducts (32), the upper chamber and the lower chamber are both connected to the air duct (32), the smoke enters the lower chamber through the hard pipe (29), and then the smoke enters the air duct (32), the heat of the smoke can heat the water, and the heated water is stored in the storage component.

4. A thermal boiler with flue gas treatment as claimed in claim 3, characterized in that: The storage assembly comprises a second water pump (33), a third water pipe (34), a storage tank (35), a discharge pipe (36) and a fourth valve (37); the second water pump (33) is installed on the tank body (18); the water inlet end of the second water pump (33) is connected and communicated with the tank body (18); the water outlet end of the second water pump (33) is connected to the third water pipe (34); the third water pipe (34) and the storage tank (35) are connected and communicated; the storage tank (35) is connected to the discharge pipe (36); and the fourth valve (37) is installed on the discharge pipe (36).

5. A thermal boiler with flue gas treatment as claimed in claim 4, characterized in that: The invention also comprises a replacement mechanism, which comprises a gear (38), an electric push rod (39), a rack (40) and a guide block (41); the rotating shaft (14) is connected with the gear (38) through a one-way clutch; the electric push rod (39) is installed on the support frame (21); the telescopic rod of the electric push rod (39) is connected with the rack (40); the rack (40) meshes with the gear (38) during the process of moving to the right; the installation box (13) is connected with the guide block (41) for guiding the rack (40); the guide block (41) and the rack (40) are slidably connected.

6. A thermal boiler with flue gas treatment as claimed in claim 5, characterized in that: The invention also comprises a limiting mechanism, which comprises a limiting sleeve (42), a spring (43), a contact shaft (44) and a push plate (45); a limiting sleeve (42) for limiting the filter element (17) is slidably connected to the hard tube (29); the limiting sleeve (42) is sleeved on the filter element (17); a spring (43) is connected between the second frame (26) and the limiting sleeve (42); the limiting sleeve (42) is connected to the contact shaft (44); the rack (40) is connected to the push plate (45); the push plate (45) is used to push the contact shaft (44) to move upwards; the contact shaft (44) drives the limiting sleeve (42) to move upwards, so that the limiting sleeve (42) and the filter element (17) are separated.

7. A thermal boiler with flue gas treatment as claimed in claim 6, characterized in that: It also includes a guide rod (46). The bottom of the second frame (26) is connected to the guide rod (46) for guiding the limiting sleeve (42). The guide rod (46) and the limiting sleeve (42) are slidably connected.

8. A thermal boiler with flue gas treatment as claimed in claim 7, characterized in that: It also includes a heat-insulating layer (47), and the outer surface of the boiler (1) is connected to the heat-insulating layer (47).

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