Biomass-fired organic heat transfer material furnace with double-furnace body assembly

Abstract

The utility model discloses a biomass-fired organic heat carrier furnace with double furnace body assemblies. The biomass-fired organic heat carrier furnace comprises a combustion chamber, the furnace body assemblies, an ash falling hopper, an upper radiation section furnace tube, a lower radiation section furnace tube, a roof tube, a first coil tube, a second coil tube, a third coil tube, a main inlet tube, a main outlet tube and a flow guide tube, wherein a radiation chamber, a first convection chamber, a second convection chamber, a third convection chamber and a smoke outlet are arranged in the furnace body assembly, the lower end of the radiation chamber is located on one side of the first convection chamber, the upper end of the radiation chamber extends to the position above the first convection chamber, the second convection chamber is located on the other side of the first convection chamber, and the third convection chamber extends to the position above the second convection chamber. The third convection chamber is located above the second convection chamber, and the ash falling hopper is located below the first convection chamber and the second convection chamber and connected with the furnace body assembly. According to the utility model, the ash removal convenience can be improved, the ash removal cost can be reduced, and the problem of serious ash deposition can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of organic heat carrier furnaces of burning biomass with double furnace body assembly. BACKGROUND

[0002] Currently, organic heat carrier furnace is a kind of indirect heating equipment that generates heat by burning fuel and uses heat-conducting oil as heat transfer medium, which can efficiently and safely provide stable heat energy for various industrial production. In the Chinese patent with publication number CN208042518U, a double-furnace coal-biomass organic heat carrier furnace is disclosed. The fuel in the double-furnace coal-biomass organic heat carrier furnace is burned in the combustion chamber to produce high-temperature flue gas, which heats the heat-conducting oil and then provides stable heat energy to the outside with the heat-conducting oil as the heat transfer medium. However, the high-temperature flue gas produced by the burning of fuel in the combustion chamber carries a lot of soot, which will accumulate in the furnace over time. The double-furnace coal-biomass organic heat carrier furnace has difficulty in removing the accumulated soot in the furnace, leading to serious soot accumulation and difficulty in soot removal, which increases the cost of soot removal. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an organic heat carrier furnace of burning biomass with double furnace body assembly, which can improve the convenience of soot removal, reduce the cost of soot removal, and thus avoid the problem of serious soot accumulation.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: an organic heat carrier furnace of burning biomass with double furnace body assembly, comprising a combustion chamber, a furnace body assembly, a soot falling hopper, an upper radiation section furnace pipe, a lower radiation section furnace pipe, a ceiling pipe, a first coil pipe, a second coil pipe, a third coil pipe, a total inlet pipe, a total outlet pipe, and a flow guide pipe.

[0005] The furnace body assembly is provided with a radiation chamber, a first convection chamber, a second convection chamber, a third convection chamber, and a flue gas outlet.

[0006] The lower end of the radiation chamber is located on one side of the first convection chamber, the upper end of the radiation chamber extends above the first convection chamber, the second convection chamber is located on the other side of the first convection chamber, the third convection chamber is located above the second convection chamber, and the soot falling hopper is located below the first and second convection chambers and connected to the furnace body assembly.

[0007] The upper end of the first convection chamber is in communication with the radiation chamber, the lower ends of the first and second convection chambers are in communication with the soot falling hopper, the lower end of the third convection chamber is in communication with the upper end of the second convection chamber, the flue gas outlet is in communication with the third convection chamber, and the combustion chamber is located below the radiation chamber and in communication with the radiation chamber.

[0008] The upper radiant section furnace tube, the lower radiant section furnace tube and the ceiling tube are arranged in the radiant chamber, the first coil is arranged in the first convection chamber, the second coil is arranged in the second convection chamber, and the third coil is arranged in the third convection chamber;

[0009] The total inlet pipe is connected with the inlet of the first coil, the inlet of the second coil and the inlet of the third coil respectively, the outlet of the first coil, the outlet of the second coil and the outlet of the third coil are connected with the flow guide pipe respectively, the flow guide pipe is connected with the inlet of the lower radiant section furnace tube, the outlet of the lower radiant section furnace tube is connected with the inlet of the upper radiant section furnace tube, the outlet of the upper radiant section furnace tube is connected with the inlet of the ceiling tube, and the outlet of the ceiling tube is connected with the total outlet pipe.

[0010] Further, the lower radiant section furnace tube is arranged in the lower end of the radiant chamber, and the upper end of the lower radiant section furnace tube extends above the first coil;

[0011] The upper radiant section furnace tube is arranged in the upper end of the radiant chamber, and the upper radiant section furnace tube is located above the lower radiant section furnace tube;

[0012] The ceiling tube is arranged at the top of the radiant chamber.

[0013] Further, in order to improve the convenience of ash cleaning, the furnace body assembly is provided with a first ash cleaning door in communication with the first convection chamber, a second ash cleaning door in communication with the second convection chamber and a third ash cleaning door in communication with the third convection chamber.

[0014] Further, the outlet of the lower radiant section furnace tube is connected with the inlet of the upper radiant section furnace tube through a first external transition pipe of the furnace, and the first external transition pipe is located outside the furnace body assembly.

[0015] Further, the inlet of the first coil and the inlet of the second coil are connected with the total inlet pipe through a first inlet branch pipe; wherein the inlet of the first coil and the inlet of the second coil are connected with the first inlet branch pipe respectively, and the first inlet branch pipe is connected with the total inlet pipe;

[0016] The inlet of the third coil is connected with the total inlet pipe through a second inlet branch pipe; wherein the inlet of the third coil is connected with the second inlet branch pipe, and the second inlet branch pipe is connected with the total inlet pipe.

[0017] Further, the outlet of the third coil pipe is connected with the outlet branch pipe and the second out-of-furnace transition pipe; wherein the outlet of the third coil pipe is connected with the outlet branch pipe, the outlet branch pipe is connected with the second out-of-furnace transition pipe, the second out-of-furnace transition pipe is connected with the flow guide pipe, and the second out-of-furnace transition pipe is located outside the furnace body assembly.

[0018] Further, the furnace body assembly is provided with an upper partition plate separating the upper end of the radiation chamber from the third convection chamber and a lower partition plate separating the first convection chamber from the second convection chamber.

[0019] Further, the furnace body assembly is provided with an upper furnace body and a lower furnace body, the lower end of the upper furnace body is connected with the upper end of the lower furnace body, the ash hopper is connected with the lower furnace body, the upper end of the radiation chamber, the third convection chamber and the flue gas outlet are all arranged in the upper furnace body, and the lower end of the radiation chamber, the first convection chamber and the second convection chamber are all arranged in the lower furnace body.

[0020] Further, the biomass-fired organic heat carrier furnace with a double-furnace body assembly further comprises a grate arranged in the combustion chamber.

[0021] Further, the combustion chamber is further provided with a front arch and a rear arch, a connecting passage is arranged between the front arch and the rear arch, and the combustion chamber is communicated with the lower end of the radiation chamber through the connecting passage.

[0022] After the above technical scheme is adopted, the high-temperature flue gas generated by the combustion of fuel in the combustion chamber will flow through the combustion chamber, the radiation chamber, the first convection chamber, the ash hopper, the second convection chamber and the third convection chamber in sequence and then flow into the system waste heat recovery device from the flue gas outlet. The heat-conducting oil will flow into the total inlet pipe and then flow into the first coil pipe, the second coil pipe and the third coil pipe from the total inlet pipe, and then the heat-conducting oil in the first coil pipe, the second coil pipe and the third coil pipe will flow into the flow guide pipe, and then the heat-conducting oil in the flow guide pipe will flow into the lower radiation section of the furnace pipe, then flow into the upper radiation section of the furnace pipe, then flow into the ceiling pipe, then flow into the total outlet pipe, and then the heat-conducting oil in the total outlet pipe will flow into the heat supply circulation system pipeline to supply heat to the outside. In the radiation chamber, the first convection chamber, the second convection chamber and the third convection chamber, the high-temperature flue gas will exchange heat with the heat-conducting oil to heat the heat-conducting oil. The high-temperature flue gas generated by the combustion of fuel in the combustion chamber carries ash, and most of the ash carried in the flue gas will settle in the ash hopper when the flue gas flows through the ash hopper. The ash hopper has an outlet for discharging ash, so the ash in the ash hopper is relatively easy to clean, thereby improving the convenience of cleaning and reducing the cost of cleaning, and thereby avoiding the problem of serious ash accumulation. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 This is a front view of the biomass organic heat carrier furnace with dual furnace body components according to this utility model.

[0024] Figure 2 This is a side view of the biomass organic heat carrier furnace with a dual furnace body assembly according to this utility model.

[0025] In the diagram: 1. Combustion chamber; 2. Furnace body assembly; 3. Ash hopper; 4. Upper radiant section furnace tube; 5. Lower radiant section furnace tube; 6. Roof tube; 7. First serpentine tube; 8. Second serpentine tube; 9. Third serpentine tube; 10. Main inlet pipe; 11. Main outlet pipe; 12. Guide pipe; 13. Radiant chamber; 14. First convection chamber; 15. Second convection chamber; 16. Third convection chamber; 17. Flue gas outlet; 18. First external transition pipe; 19. Outlet branch pipe; 20. Second external transition pipe; 21. Upper partition plate; 22. Lower partition plate; 23. Upper furnace body; 24. Lower furnace body; 25. Grate; 26. Front arch; 27. Rear arch; 28. Connecting channel. Detailed Implementation

[0026] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0027] like Figure 1 , 2 As shown, a biomass organic heat carrier furnace with a dual-furnace assembly includes a combustion chamber 1, a furnace body assembly 2, an ash hopper 3, an upper radiant section furnace tube 4, a lower radiant section furnace tube 5, a roof tube 6, a first serpentine tube 7, a second serpentine tube 8, a third serpentine tube 9, a main inlet pipe 10, a main outlet pipe 11, and a guide pipe 12.

[0028] The furnace body assembly 2 is provided with a radiation chamber 13, a first convection chamber 14, a second convection chamber 15, a third convection chamber 16, and a flue gas outlet 17;

[0029] The lower end of the radiation chamber 13 is located on one side of the first convection chamber 14, the upper end of the radiation chamber 13 extends above the first convection chamber 14, the second convection chamber 15 is located on the other side of the first convection chamber 14, the third convection chamber 16 is located above the second convection chamber 15, and the ash hopper 3 is located below the first convection chamber 14 and the second convection chamber 15 and is connected to the furnace body assembly 2.

[0030] The upper end of the first convection chamber 14 is communicated with the radiation chamber 13, the lower end of the first convection chamber 14 and the lower end of the second convection chamber 15 are communicated with the ash hopper 3 respectively, the lower end of the third convection chamber 16 is communicated with the upper end of the second convection chamber 15, the flue gas outlet 17 is communicated with the third convection chamber 16, and the combustion chamber 1 is located below the radiation chamber 13 and communicated with the radiation chamber 13;

[0031] The upper radiation section furnace tube 4, the lower radiation section furnace tube 5 and the ceiling tube 6 are arranged in the radiation chamber 13, the first coil 7 is arranged in the first convection chamber 14, the second coil 8 is arranged in the second convection chamber 15, and the third coil 9 is arranged in the third convection chamber 16;

[0032] The total inlet pipe 10 is connected with the inlet of the first coil 7, the inlet of the second coil 8 and the inlet of the third coil 9 respectively, the outlet of the first coil 7, the outlet of the second coil 8 and the outlet of the third coil 9 are connected with the flow guide pipe 12 respectively, the flow guide pipe 12 is connected with the inlet of the lower radiation section furnace tube 5, the outlet of the lower radiation section furnace tube 5 is connected with the inlet of the upper radiation section furnace tube 4, the outlet of the upper radiation section furnace tube 4 is connected with the inlet of the ceiling tube 6, and the outlet of the ceiling tube 6 is connected with the total outlet pipe 11.

[0033] Specifically, the high-temperature flue gas generated by the combustion of the fuel in the combustion chamber 1 flows through the combustion chamber 1, the radiation chamber 13, the first convection chamber 14, the ash hopper 3, the second convection chamber 15 and the third convection chamber 16 in sequence and then flows into the system waste heat recovery device from the flue gas outlet 17. The heat conducting oil flows into the total inlet pipe 10 and then flows into the first coil 7, the second coil 8 and the third coil 9 from the total inlet pipe 10, and then the heat conducting oil in the first coil 7, the second coil 8 and the third coil 9 converges and flows into the flow guide pipe 12, and then flows into the lower radiation section furnace tube 5, the upper radiation section furnace tube 4, the ceiling tube 6 and the total outlet pipe 11 in sequence, and then flows into the heat supply circulating system pipeline to supply heat to the outside. In the radiation chamber 13, the first convection chamber 14, the second convection chamber 15 and the third convection chamber 16, the high-temperature flue gas exchanges heat with the heat conducting oil to heat the heat conducting oil. Further specifically, the high-temperature flue gas generated by the combustion of the fuel in the combustion chamber 1 carries the ash, and most of the ash carried by the flue gas will settle in the ash hopper 3 when the flue gas flows through the ash hopper 3. The ash hopper 3 has an outlet for discharging the ash, so the ash in the ash hopper 3 is easy to clean, thereby improving the convenience of cleaning and reducing the cost of cleaning, and thereby avoiding the problem of serious ash accumulation.

[0034] AsFigure 1 、 2 The lower radiant section furnace tube 5 is arranged in the lower end of the radiant chamber 13, and the upper end of the lower radiant section furnace tube 5 extends above the first coil 7.

[0035] The upper radiant section furnace tube 4 is arranged in the upper end of the radiant chamber 13, and the upper radiant section furnace tube 4 is located above the lower radiant section furnace tube 5.

[0036] The ceiling tube 6 is arranged at the top of the radiant chamber 13.

[0037] In the embodiment, the furnace body assembly 2 is provided with a first soot removal door communicating with the first convection chamber 14, a second soot removal door communicating with the second convection chamber 15, and a third soot removal door communicating with the third convection chamber 16. Specifically, the first soot removal door can be used to remove soot attached to the first coil 7, the second soot removal door can be used to remove soot attached to the second coil 8, and the third soot removal door can be used to remove soot attached to the third coil 9, thereby further improving the convenience of soot removal and reducing the cost of soot removal. In the embodiment, the first soot removal door, the second soot removal door, and the third soot removal door are each provided with a plurality of doors, thereby achieving soot removal without dead angles.

[0038] As shown in Figure 1 、 2 The outlet of the lower radiant section furnace tube 5 is connected to the inlet of the upper radiant section furnace tube 4 through a first external transition pipe 18, and the first external transition pipe 18 is located outside the furnace body assembly 2. In some embodiments, the total inlet pipe 10 and the total outlet pipe 11 can be located outside the furnace body assembly 2, and the flow guide pipe 12 can be located inside the furnace body assembly 2.

[0039] In the embodiment, the inlet of the first coil 7 and the inlet of the second coil 8 are each connected to the total inlet pipe 10 through a first inlet branch pipe. The inlet of the first coil 7 and the inlet of the second coil 8 are each connected to the first inlet branch pipe, and the first inlet branch pipe is connected to the total inlet pipe 10.

[0040] The inlet of the third coil 9 is connected to the total inlet pipe 10 through a second inlet branch pipe. The inlet of the third coil 9 is connected to the second inlet branch pipe, and the second inlet branch pipe is connected to the total inlet pipe 10.

[0041] As shown in Figure 1 、 2As shown, the outlet of the third coil 9 is connected with the outlet branch pipe 19 and the second out-of-furnace transition pipe 20 between the outlet branch pipe 19 and the draft tube 12; wherein, the outlet of the third coil 9 is connected with the outlet branch pipe 19, the outlet branch pipe 19 is connected with the second out-of-furnace transition pipe 20, the second out-of-furnace transition pipe 20 is connected with the draft tube 12, and the second out-of-furnace transition pipe 20 is located outside the furnace body assembly 2; wherein, the outlet of the first coil 7 and the outlet of the second coil 8 can be directly connected with the draft tube 12.

[0042] As shown in the drawings, Figure 1 As shown, the furnace body assembly 2 can be provided with an upper partition plate 21 separating the upper end of the radiation chamber 13 from the third convection chamber 16 and a lower partition plate 22 separating the first convection chamber 14 from the second convection chamber 15.

[0043] As shown in the drawings, Figure 1 , 2 As shown in the drawings, the furnace body assembly 2 can include an upper furnace body 23 and a lower furnace body 24, the lower end of the upper furnace body 23 is connected with the upper end of the lower furnace body 24, the ash hopper 3 is connected with the lower furnace body 24, the upper end of the radiation chamber 13, the third convection chamber 16 and the flue gas outlet 17 are all arranged in the upper furnace body 23, and the lower end of the radiation chamber 13, the first convection chamber 14 and the second convection chamber 15 are all arranged in the lower furnace body 24; in particular, the structure of the spliced upper furnace body 23 and lower furnace body 24 can make the radiation chamber 13 larger, and the larger space of the radiation chamber 13 can reduce the temperature of the flue gas entering the first convection chamber 14, thereby preventing the generation of molten ash in the first convection chamber 14; further in particular, the upper furnace body 23 and the lower furnace body 24 are both provided with a heat preservation layer, the first ash removal door and the second ash removal door are arranged on the lower furnace body 24, and the third ash removal door is arranged on the upper furnace body 23.

[0044] As shown in the drawings, Figure 1 , 2 As shown in the drawings, the biomass-fired organic heat carrier furnace with a double-furnace body assembly further includes a grate 25 arranged in the combustion chamber 1.

[0045] As shown in the drawings, Figure 1 As shown in the drawings, the combustion chamber 1 can further be provided with a front arch 26 and a rear arch 27, a connecting passage 28 is arranged between the front arch 26 and the rear arch 27, and the combustion chamber 1 is in communication with the lower end of the radiation chamber 13 through the connecting passage 28.

[0046] In summary, the high-temperature flue gas generated by the combustion of the fuel in the combustion chamber 1 flows through the combustion chamber 1, the radiation chamber 13, the first convection chamber 14, the ash hopper 3, the second convection chamber 15, the third convection chamber 16, and then flows into the system waste heat recovery device from the flue gas outlet 17. The heat conducting oil flows into the total inlet pipe 10, and then flows into the first coil 7, the second coil 8 and the third coil 9 from the total inlet pipe 10, and then the heat conducting oil in the first coil 7, the second coil 8 and the third coil 9 flows into the flow guide pipe 12, and then the heat conducting oil in the flow guide pipe 12 flows into the lower radiation section of the furnace pipe 5, and then flows into the upper radiation section of the furnace pipe 4, and then flows into the ceiling pipe 6, and then flows into the total outlet pipe 11, and then the heat conducting oil in the total outlet pipe 11 flows into the heat supply circulating system pipeline to supply heat to the outside. In the radiation chamber 13, the first convection chamber 14, the second convection chamber 15 and the third convection chamber 16, the high-temperature flue gas exchanges heat with the heat conducting oil to heat the heat conducting oil. The high-temperature flue gas generated by the combustion of the fuel in the combustion chamber 1 carries the ash, and the ash flows with the high-temperature flue gas. When the flue gas flows through the ash hopper 3, most of the ash carried by the flue gas settles in the ash hopper 3. The ash hopper 3 has an outlet for discharging the ash, so the ash in the ash hopper 3 is easy to clean, thereby improving the convenience of cleaning the ash, reducing the cost of cleaning the ash, and avoiding the problem of serious ash accumulation.

[0047] The above-described specific embodiments further illustrate the technical problems solved by the present application, technical solutions and beneficial effects. It should be understood that the above-described specific embodiments are merely examples of the present application and are not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A biomass-fired organic heat carrier furnace having a double furnace body assembly, characterized in that, The biomass organic heat carrier furnace with double furnace body assembly comprises a combustion chamber (1), a furnace body assembly (2), an ash bucket (3), an upper radiation section furnace tube (4), a lower radiation section furnace tube (5), a ceiling tube (6), a first coil (7), a second coil (8), a third coil (9), a total inlet tube (10), a total outlet tube (11) and a flow guide tube (12); The furnace body assembly (2) is provided with a radiation chamber (13), a first convection chamber (14), a second convection chamber (15), a third convection chamber (16) and a flue gas outlet (17); The lower end of the radiation chamber (13) is located on one side of the first convection chamber (14), the upper end of the radiation chamber (13) extends above the first convection chamber (14), the second convection chamber (15) is located on the other side of the first convection chamber (14), the third convection chamber (16) is located above the second convection chamber (15), and the ash bucket (3) is located below the first convection chamber (14) and the second convection chamber (15) and is connected with the furnace body assembly (2); The upper end of the first convection chamber (14) is communicated with the radiation chamber (13), the lower end of the first convection chamber (14) and the lower end of the second convection chamber (15) are communicated with the ash bucket (3) respectively, the lower end of the third convection chamber (16) is communicated with the upper end of the second convection chamber (15), the flue gas outlet (17) is communicated with the third convection chamber (16), and the combustion chamber (1) is located below the radiation chamber (13) and is communicated with the radiation chamber (13); The upper radiation section furnace tube (4), the lower radiation section furnace tube (5) and the ceiling tube (6) are arranged in the radiation chamber (13), the first coil (7) is arranged in the first convection chamber (14), the second coil (8) is arranged in the second convection chamber (15), and the third coil (9) is arranged in the third convection chamber (16); The total inlet tube (10) is connected with the inlets of the first coil (7), the second coil (8) and the third coil (9) respectively, the outlets of the first coil (7), the second coil (8) and the third coil (9) are connected with the flow guide tube (12) respectively, the flow guide tube (12) is connected with the inlet of the lower radiation section furnace tube (5), the outlet of the lower radiation section furnace tube (5) is connected with the inlet of the upper radiation section furnace tube (4), the outlet of the upper radiation section furnace tube (4) is connected with the inlet of the ceiling tube (6), and the outlet of the ceiling tube (6) is connected with the total outlet tube (11).

2. The biomass organic heat carrier furnace with double furnace body assembly according to claim 1, wherein The lower radiation section furnace tube (5) is arranged in the lower end of the radiation chamber (13), and the upper end of the lower radiation section furnace tube (5) extends above the first coil (7); The upper radiation section furnace tube (4) is arranged in the upper end of the radiation chamber (13), and the upper radiation section furnace tube (4) is located above the lower radiation section furnace tube (5). The ceiling pipe (6) is arranged at the top of the radiation chamber (13).

3. The biomass fired OITC boiler with dual furnace assembly as claimed in claim 1 wherein, The furnace body assembly (2) is provided with a first ash removal door communicating with the first convection chamber (14), a second ash removal door communicating with the second convection chamber (15), and a third ash removal door communicating with the third convection chamber (16).

4. The biomass-fired biomass organic thermal carrier furnace with a double furnace body assembly according to claim 1, characterized in that, The outlet of the lower radiation section furnace pipe (5) is connected with the inlet of the upper radiation section furnace pipe (4) through a first external transition pipe (18), and the first external transition pipe (18) is located outside the furnace body assembly (2).

5. The biomass-fired organic heat carrier furnace with a double-furnace-body assembly according to claim 1, characterized in that, The inlet of the first coil pipe (7) and the inlet of the second coil pipe (8) are both connected with the total inlet pipe (10) through a first inlet branch pipe; wherein the inlet of the first coil pipe (7) and the inlet of the second coil pipe (8) are connected with the first inlet branch pipe respectively, and the first inlet branch pipe is connected with the total inlet pipe (10); The inlet of the third coil pipe (9) is connected with the total inlet pipe (10) through a second inlet branch pipe; wherein the inlet of the third coil pipe (9) is connected with the second inlet branch pipe, and the second inlet branch pipe is connected with the total inlet pipe (10).

6. The biomass-fired biomass organic thermal carrier furnace with a double furnace body assembly according to claim 1, characterized in that, The outlet of the third coil pipe (9) is connected with the flow guide pipe (12) through an outlet branch pipe (19) and a second external transition pipe (20); wherein the outlet of the third coil pipe (9) is connected with the outlet branch pipe (19), the outlet branch pipe (19) is connected with the second external transition pipe, the second external transition pipe (20) is connected with the flow guide pipe (12), and the second external transition pipe (20) is located outside the furnace body assembly (2).

7. The biomass-fired biomass organic thermal carrier furnace with a double furnace body assembly according to claim 1, characterized in that, An upper partition plate (21) is arranged in the furnace body assembly (2) to separate the upper end of the radiation chamber (13) from the third convection chamber (16), and a lower partition plate (22) is arranged in the furnace body assembly (2) to separate the first convection chamber (14) from the second convection chamber (15).

8. The biomass-fired biomass organic thermal carrier furnace with a double furnace body assembly according to claim 1, characterized in that, The furnace body assembly (2) comprises an upper furnace body (23) and a lower furnace body (24), the lower end of the upper furnace body (23) is connected with the upper end of the lower furnace body (24), the ash hopper (3) is connected with the lower furnace body (24), the upper end of the radiation chamber (13), the third convection chamber (16), and the flue gas outlet (17) are arranged in the upper furnace body (23), and the lower end of the radiation chamber (13), the first convection chamber (14), and the second convection chamber (15) are arranged in the lower furnace body (24).

9. The biomass-fired biomass organic thermal carrier furnace with a double furnace body assembly according to claim 1, characterized in that, A grate (25) is further arranged in the combustion chamber (1).

10. The biomass-fired biomass organic thermal carrier furnace with a double furnace body assembly according to claim 1, characterized in that, A front arch (26) and a rear arch (27) are further arranged in the combustion chamber (1), a connecting passage (28) is arranged between the front arch (26) and the rear arch (27), and the combustion chamber (1) communicates with the lower end of the radiation chamber (13) through the connecting passage (28).

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