Multipurpose environment-friendly energy-saving boiler

By designing multiple combustion chambers and a waste water tank structure in the boiler, the problem of insufficient thermal energy utilization in existing boilers has been solved, achieving higher thermal energy utilization rate and applicability to multiple fuels.

CN223596202UActive Publication Date: 2025-11-25YONGCHENG CHUANGXIN BOILER CO LTD
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Patent Information

Application Number
CN202423315704.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-25
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing boilers have a simple structure, insufficient utilization of fuel heat energy, and significant waste heat loss.

Method used

The design incorporates multiple upper and lower combustion chambers and a waste water tank, which are connected by fire tubes to achieve heat transfer, increase thermal energy utilization, and are equipped with multiple fuel usage methods.

Benefits of technology

It improves thermal energy utilization, reduces waste heat loss, and supports the use of multiple fuels.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223596202U_ABST
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Abstract

The utility model discloses a multipurpose environment-friendly energy-saving boiler which comprises a boiler body, a water tank is arranged in the middle of the boiler body, a hearth is arranged in the boiler body, an upper boiler door and a primary oxygen inlet are arranged on the side wall of the hearth, an upper combustion chamber III, an upper combustion chamber II and an upper combustion chamber I are arranged on the upper portion in the boiler body, and a secondary oxygen inlet is arranged on the side wall of the upper combustion chamber I. A lower combustion chamber I, a lower combustion chamber II and a lower combustion chamber III are arranged on the lower portion in the boiler body, and a waste heat water tank III, a waste heat water tank II and a waste heat water tank I are arranged on the top in the boiler body side by side. According to the utility model, besides the hearth arranged in the furnace body, a plurality of upper combustion chambers and lower combustion chambers are also arranged, the hearth is sequentially communicated with the upper combustion chambers and the lower combustion chambers through the fire tubes, combustible components in fuel are fully combusted in the hearth, the upper combustion chambers and the lower combustion chambers, and heat is transferred to water in the water tank through the walls of the fire tubes; meanwhile, a waste heat water tank is arranged at the top of each upper combustion chamber, and heat radiation loss can be reduced as much as possible.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to a boiler, and particularly relates to a multi-purpose environment-friendly energy-saving boiler. BACKGROUND

[0002] The boiler structure is relatively single at home and abroad at present, and cold water in a water tank is directly heated by fuel combustion in a hearth, and waste gas generated by combustion is directly discharged, so that the heat energy of the fuel cannot be fully utilized, and the waste heat loss is large. SUMMARY

[0003] In view of the above-mentioned deficiencies of the prior art, the utility model aims at providing a multi-purpose environment-friendly energy-saving boiler.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A multi-purpose environment-friendly energy-saving boiler, which comprises a furnace body, a water tank in the middle of the furnace body, a hearth arranged in the furnace body, an upper furnace door and a primary oxygen inlet on the side wall of the hearth, an upper combustion chamber III, an upper combustion chamber II and an upper combustion chamber I arranged in the upper part of the furnace body, a secondary oxygen inlet on the side wall of the upper combustion chamber I, a lower combustion chamber I, a lower combustion chamber II and a lower combustion chamber III arranged in the lower part of the furnace body, the hearth and the upper combustion chamber I being communicated through a plurality of fire pipes, the upper combustion chamber I and the lower combustion chamber I being communicated through a plurality of fire pipes, the lower combustion chamber I and the upper combustion chamber II being communicated through a plurality of fire pipes, the upper combustion chamber II and the lower combustion chamber II being communicated through a plurality of fire pipes, the lower combustion chamber II and the upper combustion chamber III being communicated through a plurality of fire pipes, the upper combustion chamber III and the lower combustion chamber III being communicated through a plurality of fire pipes, the side wall of the lower combustion chamber III being provided with a smoke outlet communicated with a purifier, the furnace body being provided with a waste heat water tank III, a waste heat water tank II and a waste heat water tank I arranged in parallel on the top of the furnace body, the waste heat water tank III being communicated with the waste heat water tank II through a connecting pipe I, the waste heat water tank II being communicated with the waste heat water tank I through a connecting pipe II, the side wall of the waste heat water tank I being provided with a water inlet, the waste heat water tank III being communicated with the water tank through a connecting pipe IV, a water supplement tank being arranged on the top of the furnace body and communicated with the waste heat water tank I through a water supplement pipe, a lower furnace door being arranged below the upper furnace door, a grate being arranged at the lower part of the lower furnace door, an air inlet being arranged on the furnace body below the grate, a pipe grate being arranged in the hearth and located between the upper furnace door and the lower furnace door, a water inlet pipe of one end of the pipe grate being communicated with the water tank, the other end of the pipe grate being provided with a water outlet, and the water tank being provided with an exhaust pipe on the upper part.

[0006] The other end of the exhaust pipe is communicated with the water supplement tank.

[0007] The top plate of the upper combustion chamber III is in contact with the bottom plate of the waste heat water tank III, the top plate of the upper combustion chamber II is in contact with the bottom plate of the waste heat water tank II, and the top plate of the upper combustion chamber I is in contact with the bottom plate of the waste heat water tank I.

[0008] The utility model discloses a furnace body is provided with a plurality of upper combustion chamber and lower combustion chamber in addition to being provided with hearth, and hearth is communicated with upper combustion chamber, lower combustion chamber through fire tube in proper order, and the combustible component in fuel is burnt fully in hearth, upper combustion chamber and lower combustion chamber, and the heat is given to the water in water tank through fire tube wall, and at the same time, the surplus heat water tank is equipped at the top of each upper combustion chamber, can reduce heat radiation loss as far as possible. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the structural schematic diagram of the utility model.

[0010] Figure 2 It is the right view schematic diagram of Figure 1 .

[0011] Figure 3 It is the structural schematic diagram of pipe grate.

[0012] In the drawing, 1 is water inlet, 2 is exhaust pipe, 3 is secondary oxygen inlet, 4 is water tank, 5 is fire tube, 6 is furnace body, 7 is primary oxygen inlet, 8 is upper furnace door, 9 is hearth, 10 is pipe grate, 11 is lower furnace door, 12 is air inlet, 13 is furnace grate, 14 is water outlet, 15 is lower combustion chamber I, 16 is lower combustion chamber II, 17 is lower combustion chamber III, 18 is smoke outlet, 19 is purifier, 20 is connecting pipe IV, 21 is upper combustion chamber III, 22 is surplus heat water tank III, 23 is connecting pipe I, 24 is surplus heat water tank II, 25 is upper combustion chamber II, 26 is connecting pipe II, 27 is upper combustion chamber I, 28 is surplus heat water tank I, 29 is water supply tank. DETAILED DESCRIPTION

[0013] As Figure 1 , Figure 2 , Figure 3As shown, a multi-purpose environmental protection and energy saving boiler, including furnace body 6, the middle part of furnace body 6 is water tank 4, the furnace body is equipped with hearth 9, the side wall of hearth 9 has upper furnace door 8 and primary oxygen inlet 7, the upper part of the furnace body has upper combustion chamber III 21, upper combustion chamber II 25 and upper combustion chamber I 27, the side wall of upper combustion chamber I 27 has secondary oxygen inlet 3, the lower part of the furnace body has lower combustion chamber I 15, lower combustion chamber II 16 and lower combustion chamber III 17, hearth 9 and upper combustion chamber I 27 are communicated through a plurality of fire tubes 5, upper combustion chamber I 27 and lower combustion chamber I 15 are communicated through a plurality of fire tubes 5, lower combustion chamber I 15 and upper combustion chamber II 25 are communicated through a plurality of fire tubes 5, upper combustion chamber II 25 and lower combustion chamber II 16 are communicated through a plurality of fire tubes 5, lower combustion chamber II 16 and upper combustion chamber III 21 are communicated through a plurality of fire tubes 5, upper combustion chamber III 21 and lower combustion chamber III 17 are communicated through a plurality of fire tubes 5, the side wall of lower combustion chamber III 17 has smoke outlet 18 communicated with purifier 19, the top of the furnace body has side-by-side waste heat water tank I 28, waste heat water tank II 24 and waste heat water tank III 22, waste heat water tank III 22 is communicated with waste heat water tank II 24 through connecting pipe I 23, waste heat water tank II 24 is communicated with waste heat water tank I 28 through connecting pipe II 26, the side wall of waste heat water tank I 28 has water inlet 1, waste heat water tank III 22 is communicated with water tank 4 through connecting pipe IV 20, the top of the furnace body is equipped with make-up water tank 29, make-up water tank 29 is communicated with waste heat water tank I 28 through make-up water pipe, there is lower furnace door 11 below upper furnace door 8, there is grate 13 below lower furnace door 11, there is air inlet 12 on the furnace body below grate 13, there is pipe grate 10 in hearth 9, pipe grate 10 is located between upper furnace door 8 and lower furnace door 11, the water inlet pipe of one end of pipe grate 10 is communicated with water tank 4, the other end of pipe grate 10 has water outlet 14, the upper part of water tank 4 has exhaust pipe 2.

[0014] The top plate of upper combustion chamber III 21 is in contact with the bottom plate of waste heat water tank III 22, the top plate of upper combustion chamber II 25 is in contact with the bottom plate of II 24, and the top plate of upper combustion chamber I 27 is in contact with the bottom plate of waste heat water tank I 28.

[0015] The working process of the utility model is as follows:

[0016] Fuel from the upper furnace door 8 into the furnace 9, through the first oxygen inlet 7 oxygen, strengthen the firepower, up through the fire tube 5 into the upper combustion chamber I 27, and then through the second oxygen inlet 3 oxygen, so that the firepower is further strengthened, through a number of fire tube 5 down into the lower combustion chamber I 15, and then through a number of fire tube 5 up into the upper combustion chamber II 25, through a number of fire tube 5 down into the lower combustion chamber II 16, and then through the fire tube 5 into the upper combustion chamber III 21, down through the fire tube 5 into the lower combustion chamber III 17, and finally through the exhaust port 18 into the purifier 19, and then discharged. Cold water into the water tank 29, the water tank 29 below the connecting waste heat tank I 28, waste heat tank I 28 is provided with a water inlet 1, waste heat tank I 28 in turn with waste heat tank II 24, waste heat tank III 22 is communicated, waste heat tank III 22 through the connecting pipe IV 20 and water tank 4 is communicated, the water in the water tank 4 into the pipe grate 10, and then from the water outlet 14 into the working area, the working area of the cold water recycling into the water inlet 1, into the boiler circulating operation. The hot air in the boiler through the exhaust pipe 2 into the water tank 29 for preheating the cold water.

[0017] In the utility model, the grate 11 is iron grate, which is suitable for coal combustion. When coal is not used, the upper furnace door 8 can be connected with gas combustion machine, and the lower furnace door 11 can be connected with oil combustion machine at the same time, so that various new energy sources can be used.

Claims

1. A multi-purpose, environmentally friendly, and energy-saving boiler, comprising a boiler body (6), wherein a water tank (4) is located in the middle of the boiler body (6), characterized in that: The furnace body is provided with a furnace chamber (9), and the side wall of the furnace chamber (9) has an upper furnace door (8) and a primary oxygen inlet (7). The upper part of the furnace body has an upper combustion chamber III (21), an upper combustion chamber II (25) and an upper combustion chamber I (27). There is a secondary oxygen inlet (3) on the side wall of the upper combustion chamber I (27). The lower part of the furnace body has a lower combustion chamber I (15), a lower combustion chamber II (16) and a lower combustion chamber III (17). The furnace chamber (9) and the upper combustion chamber I (27) are connected by several fire tubes (5). The upper combustion chamber I (27) and the lower combustion chamber I (15) The lower combustion chamber I (15) and the upper combustion chamber II (25) are connected by several fire tubes (5). The upper combustion chamber II (25) and the lower combustion chamber II (16) are connected by several fire tubes (5). The lower combustion chamber II (16) and the upper combustion chamber III (21) are connected by several fire tubes (5). The upper combustion chamber III (21) and the lower combustion chamber III (17) are connected by several fire tubes (5). The side wall of the lower combustion chamber III (17) has a smoke outlet (18) connected to the purifier (19). The top has three parallel waste water tanks: Ⅲ (22), Ⅱ (24), and Ⅰ (28). Waste water tank Ⅲ (22) is connected to waste water tank Ⅱ (24) via connecting pipe Ⅰ (23). Waste water tank Ⅱ (24) is connected to waste water tank Ⅰ (28) via connecting pipe Ⅱ (26). Waste water tank Ⅰ (28) has an inlet (1) on its side wall. Waste water tank Ⅲ (22) is connected to water tank (4) via connecting pipe Ⅳ (20). A makeup water tank (29) is located on the top of the furnace body. The makeup water tank (29) is connected to the makeup water pipe. It is connected to the hot water tank I (28). There is a lower furnace door (11) below the upper furnace door (8). There is a grate (13) below the lower furnace door (11). There is an air inlet (12) on the furnace body below the grate (13). There is a tube grate (10) in the furnace chamber (9). The tube grate (10) is located between the upper furnace door (8) and the lower furnace door (11). The water inlet at one end of the tube grate (10) is connected to the water tank (4). There is a water outlet (14) at the other end of the tube grate (10). There is an exhaust pipe (2) on the upper part of the water tank (4).

2. The multi-purpose, environmentally friendly, and energy-saving boiler as described in claim 1, characterized in that: The other end of the exhaust pipe (2) is connected to the water tank (29).

3. The multi-purpose, environmentally friendly, and energy-saving boiler as described in claim 1, characterized in that: The top plate of the upper combustion chamber III (21) is in contact with the bottom plate of the waste water tank III (22), the top plate of the upper combustion chamber II (25) is in contact with the bottom plate of II (24), and the top plate of the upper combustion chamber I (27) is in contact with the bottom plate of the waste water tank I (28).