Gas-fired boiler energy-saving device and gas-fired boiler

Abstract

The gas-fired boiler energy-saving device comprises a boiler body, a gas introduction mechanism, a flue gas heat recovery mechanism, a flue gas treatment mechanism and other key components, a combustion chamber and a water storage cavity are formed in the boiler body, a water inlet is formed in the top of the boiler body, and L-shaped supporting legs are installed at the bottom of the boiler body, so that the structural stability is ensured; the fuel gas introduction mechanism comprises a fuel gas inlet, a breather pipe, a fuel gas nozzle, a fan and an air outlet, stable supply and efficient combustion of fuel gas are ensured, the flue gas heat recovery mechanism recovers flue gas heat through an air outlet pipe, a heat recovery chamber, fins and a water outlet, the heat efficiency is improved, and the flue gas treatment mechanism is provided with a treatment chamber, a filter screen and an activated carbon adsorption net. In addition, the partition supporting plate and the steam chamber are arranged on the inner wall of the boiler body, the steam outlet is formed in the top of the boiler body, efficient collection and output of steam are achieved, the energy-saving and environment-friendly targets of the gas boiler are achieved, and the gas boiler is suitable for commercial and industrial heat supply systems.

Description

Technical Field

[0001] The present invention relates to the technical field of boilers, and more specifically, to a gas boiler energy-saving device and a gas boiler. Background Art

[0002] With the continuous growth of global energy consumption and the increasing attention to environmental protection, gas boilers have been widely used in industrial and civil fields as a clean and efficient heating equipment. However, traditional gas boilers still have certain limitations in energy utilization efficiency and environmental performance. In order to respond to the policy requirements of energy conservation and emission reduction and reduce user operating costs, gas boiler energy-saving devices and patented technologies for gas boilers have emerged.

[0003] Traditional gas boilers have the phenomenon of incomplete combustion of fuel during the combustion process, resulting in energy waste and increased emissions. Secondly, a large amount of high-temperature flue gas generated by the boiler during operation is directly discharged into the atmosphere, causing heat loss. Thirdly, the boiler control system is relatively simple and it is difficult to adjust the combustion parameters according to actual needs, resulting in low energy utilization.

[0004] The gas boilers in the prior art have the problems of low energy utilization, high flue gas emission, insufficient heat recovery and inadequate flue gas treatment. Summary of the invention

[0005] In order to overcome the problems of low energy utilization, high flue gas emissions, insufficient heat recovery and inadequate flue gas treatment in the prior art, the present invention designs a gas boiler energy-saving device and a gas boiler that can effectively solve the problems.

[0006] In order to solve the above technical problems, the technical solution of the present invention is as follows: A gas boiler energy-saving device and a gas boiler, comprising a furnace body, a gas introduction mechanism, a flue gas heat recovery mechanism and a flue gas treatment mechanism, wherein the gas introduction mechanism is provided at the bottom of the furnace body, the flue gas heat recovery mechanism is provided at the top of the furnace body, the flue gas treatment mechanism is located directly above the flue gas heat recovery mechanism, a combustion chamber is provided in the furnace body, a water storage cavity is provided on the inner wall of the furnace body and the outer side of the combustion chamber, and a water inlet is provided at the top of the furnace body.

[0007] Preferably, a partition support plate is installed on the inner wall of the furnace body, ventilation holes are provided on the partition support plate, a steam chamber is provided above the partition support plate, a steam outlet is installed on the top of the furnace body, and a connector is provided at the end of the steam outlet.

[0008] Preferably, the gas introduction mechanism includes a gas inlet, a ventilation pipe, a gas nozzle, a fan and an air outlet. The fan is fixedly installed at the bottom of the furnace body, and the bottom center of the inner wall of the combustion chamber is provided. The air outlet end of the fan is connected to the air outlet. The bottom of the furnace body is provided with a gas inlet, and the end of the gas inlet extends into the combustion chamber. The gas inlet is annularly arranged at the bottom of the combustion chamber, and a gas nozzle is provided on the gas inlet. An air filter plate is fixedly installed at the top of the combustion chamber.

[0009] Preferably, the flue gas heat recovery mechanism includes an air outlet pipe, a heat recovery chamber, fins and a water outlet, the air outlet pipe is a heat conduction pipe, the end of the air outlet pipe extends into the heat recovery chamber, the fins are arranged in the heat recovery chamber, a water inlet pipe is arranged at the top of the heat recovery chamber, and a water outlet is arranged at the bottom of the heat recovery chamber.

[0010] Preferably, the flue gas treatment mechanism includes a treatment chamber, a filter screen and an activated carbon adsorption screen. The top of the furnace body is located above the heat recovery chamber and a treatment chamber is fixedly installed thereon. The end of the heat recovery chamber is connected to the bottom of the treatment chamber through a connecting pipe. A filter screen and an activated carbon adsorption screen are respectively arranged in the treatment chamber, and the activated carbon adsorption screen is located above the filter screen. A flue gas outlet is provided at the top of the treatment chamber.

[0011] Preferably, four L-shaped supporting feet are installed at the bottom of the furnace body.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention realizes the recovery of waste heat of flue gas after combustion through a flue gas heat recovery mechanism, including an exhaust pipe, a heat recovery chamber and fins, thereby significantly improving the utilization efficiency of energy; secondly, the setting of the flue gas treatment mechanism, including a treatment chamber, a filter screen and an activated carbon adsorption screen, effectively purifies the flue gas, reduces the emission of harmful substances, and alleviates the impact on the environment; in addition, the optimized design of the gas introduction mechanism, including the reasonable layout of the fan and the gas nozzle, ensures the full mixing and efficient combustion of the gas and air, further reducing energy consumption; the design of the partition support plate and the steam chamber inside the furnace body, as well as the setting of the steam outlet, improves the steam generation efficiency; finally, the L-shaped support feet at the bottom of the furnace body provide stable support, ensuring the stability and safety of the boiler; in general, the technical scheme provides an efficient and environmentally friendly gas boiler solution by comprehensively considering energy saving, emission reduction, heat recovery and flue gas treatment, with significant economic and social benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived based on the provided drawings without paying any creative work.

[0014] Figure 1 It is a gas boiler energy-saving device and a gas boiler structure diagram; Among them, 1. furnace body; 2. L-shaped supporting feet; 3. gas inlet mechanism; 4. combustion chamber; 5. water storage chamber; 6. partition support plate; 7. flue gas heat recovery mechanism; 8. flue gas treatment mechanism; 9. gas inlet; 10. ventilation pipe; 11. water inlet; 12. gas nozzle; 13. fan; 14. air outlet; 15. air filter plate; 16. steam chamber; 17. steam outlet; 18. connector; 19. outlet pipe; 20. heat recovery chamber; 21. fins; 22. water outlet; 23. treatment chamber; 24. filter screen; 25. activated carbon adsorption screen; 26. flue gas outlet. DETAILED DESCRIPTION

[0015] The drawings are for illustrative purposes only and should not be construed as limiting the present patent; In order to better illustrate the present embodiment, some parts in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0016] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Example A gas boiler energy-saving device and a gas boiler, such as Figure 1 As shown, it includes a furnace body 1, a gas introduction mechanism 3, a flue gas heat recovery mechanism 7 and a flue gas treatment mechanism 8. The gas introduction mechanism 3 is provided at the bottom of the furnace body 1, the flue gas heat recovery mechanism 7 is provided at the top of the furnace body 1, and the flue gas treatment mechanism 8 is located directly above the flue gas heat recovery mechanism 7. A combustion chamber 4 is installed in the furnace body 1, a water storage cavity 5 is provided on the inner wall of the furnace body 1 and the outer side of the combustion chamber 4, and a water inlet 11 is provided at the top of the furnace body 1.

[0018] The inner wall of the furnace body 1 is provided with a partition support plate 6, on which a vent hole is provided, a steam chamber 16 is provided above the partition support plate 6, a steam outlet 17 is provided on the top of the furnace body 1, and a connector 18 is provided at the end of the steam outlet 17.

[0019] The gas introduction mechanism 3 includes a gas inlet 9, a ventilation pipe 10, a gas nozzle 12, a fan 13 and an air outlet 14. The fan 13 is fixedly installed at the bottom of the furnace body 1, and the bottom center of the inner wall of the combustion chamber 4 is provided with an air outlet 14. The air outlet end of the fan 13 is connected to the air outlet 14. The bottom of the furnace body 1 is provided with a gas inlet 9, and the end of the gas inlet 9 extends into the combustion chamber 4. The gas inlet 9 is annularly arranged at the bottom of the combustion chamber 4, and the gas nozzle 12 is provided on the gas inlet 9. A filter plate 15 is fixedly installed at the top inside the combustion chamber 4.

[0020] The flue gas heat recovery mechanism 7 includes an air outlet pipe 19, a heat recovery chamber 20, fins 21 and a water outlet 22. The air outlet pipe 19 is a heat conduction pipe. The end of the air outlet pipe 19 extends into the heat recovery chamber 20. The fins 21 are arranged in the heat recovery chamber 20. A water inlet pipe is arranged at the top of the heat recovery chamber 20. A water outlet 22 is arranged at the bottom of the heat recovery chamber 20.

[0021] The flue gas treatment mechanism 8 includes a treatment chamber 23, a filter screen 24 and an activated carbon adsorption screen 25. The top of the furnace body 1 is located above the heat recovery chamber 20 and the treatment chamber 23 is fixedly installed. The end of the heat recovery chamber 20 is connected to the bottom of the treatment chamber 23 through a connecting pipe. The filter screen 24 and the activated carbon adsorption screen 25 are respectively arranged in the treatment chamber 23, and the activated carbon adsorption screen 25 is located above the filter screen 24. The top of the treatment chamber 23 is provided with a flue gas outlet 26.

[0022] Four L-shaped supporting legs 2 are arranged at the bottom of the furnace body 1 .

[0023] Its working principle is as follows: the gas enters the bottom of the furnace body 1 through the gas inlet 9, passes through the ventilation pipe 10 to reach the gas nozzle 12 at the bottom of the combustion chamber 4, and the fan 13 runs at the bottom of the furnace body 1, blowing air into the combustion chamber 4 through the air outlet 14 to mix with the gas. The gas and air are fully mixed and burned in the combustion chamber 4 to generate high-temperature flue gas. The air filter plate 15 is located at the top of the combustion chamber 4 to evenly distribute the heat generated by the combustion.

[0024] High-temperature flue gas enters the heat recovery chamber 20 through the exhaust pipe 19, and the heat is transferred to the water in the heat recovery chamber 20 through the fins 21. The water inlet pipe introduces cold water into the heat recovery chamber 20. The water flows around the fins 21, absorbs heat, and then flows out from the water outlet 22, completing the heat recovery.

[0025] The flue gas after heat recovery enters the processing chamber 23 through the connecting pipe, and first passes through the filter screen 24 to remove larger particles. The flue gas then passes through the activated carbon adsorption net 25 to further adsorb and remove harmful substances and odors in the flue gas. The purified flue gas is discharged from the flue gas outlet 26 at the top of the processing chamber 23, reducing pollution to the environment.

[0026] The water in the water storage chamber 5 is heated to generate steam, which rises to the steam chamber 16 , is output from the steam outlet 17 , and is supplied to an external system through a connector 18 for heating or industrial production.

[0027] Four L-shaped supporting feet 2 are installed at the bottom of the furnace body 1 to ensure the stability and safety of the entire boiler system.

[0028] During the specific implementation process, the furnace body 1 is placed on a stable surface, ensuring that the four L-shaped supporting feet 2 at the bottom firmly support the entire furnace body, and the combustion chamber 4 is installed inside the furnace body 1, and ensuring that it is positioned correctly and maintains an appropriate gap with the inner wall of the furnace body 1 to form a water storage chamber 5.

[0029] A fan 13 is installed at the bottom of the furnace body 1, and the air outlet 14 is connected to the bottom center of the inner wall of the combustion chamber 4. The gas inlet 9 is set at the bottom of the furnace body 1, and its end is ensured to extend into the combustion chamber 4. A gas nozzle 12 is arranged in a ring, and a ventilation pipe 10 is installed to connect the fan 13 and the gas inlet 9 to ensure that the gas can smoothly enter the combustion chamber. A filter plate 15 is installed at the top inside the combustion chamber 4 to adjust the air flow entering the combustion chamber.

[0030] A partition support plate 6 is installed on the inner wall of the furnace body (1), and a vent hole is provided on the partition support plate 6 so that heat can be transferred to the steam chamber 16. The steam chamber 16 is installed above the partition support plate 6 and its sealing is ensured to be good. A steam outlet 17 is installed on the top of the furnace body 1 and a connector 18 is connected to output steam.

[0031] A heat recovery chamber 20 is installed at the top of the furnace body 1, and its position is ensured to be aligned with the air outlet pipe 19. The air outlet pipe 19 is used as a heat conduction pipe, and its end is extended into the heat recovery chamber 20. Fins 21 are installed in the heat recovery chamber 20 to increase the heat exchange area. A water inlet pipe is installed at the top of the heat recovery chamber 20, and a water outlet 22 is installed at its bottom.

[0032] A processing chamber 23 is installed at the top of the furnace body 1 above the heat recovery chamber 20, and the end of the heat recovery chamber 20 is connected to the bottom of the processing chamber 23 through a connecting pipe. A filter screen 24 and an activated carbon adsorption screen 25 are respectively installed in the processing chamber 23, and it is ensured that the activated carbon adsorption screen 25 is located above the filter screen 24. A flue gas outlet 26 is installed at the top of the processing chamber 23.

[0033] Connect all pipes and fittings, ensure the integrity and tightness of the system, check whether all components are installed correctly, and adjust the necessary parameters, start the fan 13 and gas supply, ignite the gas, start the boiler, observe the operation of the system, and ensure that the steam output, heat recovery and flue gas treatment are normal.

[0034] During normal operation, the various components of the system are regularly checked to ensure that they are in good condition, and the filter screen 24 and the activated carbon adsorption screen 25 are cleaned to maintain their filtering and adsorption capabilities. Inspect and replace aged pipes and connections to prevent leaks and failures.

[0035] The same or similar reference numerals correspond to the same or similar components; The terms used in the drawings to describe positional relationships are only used for illustrative purposes and should not be construed as limiting this patent; Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A gas boiler energy-saving device and a gas boiler, characterized in that: The invention comprises a furnace body (1), a gas introduction mechanism (3), a flue gas heat recovery mechanism (7) and a flue gas treatment mechanism (8); the bottom of the furnace body (1) is provided with the gas introduction mechanism (3); the top of the furnace body (1) is provided with the flue gas heat recovery mechanism (7); the flue gas treatment mechanism (8) is located directly above the flue gas heat recovery mechanism (7); a combustion chamber (4) is arranged in the furnace body (1); a water storage chamber (5) is arranged on the inner wall of the furnace body (1) and the outer side of the combustion chamber (4); and a water inlet (11) is arranged at the top of the furnace body (1).

2. A gas boiler energy-saving device and a gas boiler according to claim 1, characterized in that: The inner wall of the furnace body (1) is provided with a partition support plate (6), the partition support plate (6) is provided with a vent hole, a steam chamber (16) is provided above the partition support plate (6), a steam outlet (17) is provided at the top of the furnace body (1), and a connector (18) is provided at the end of the steam outlet (17).

3. A gas boiler energy-saving device and a gas boiler according to claim 1, characterized in that: The gas introduction mechanism (3) comprises a gas inlet (9), a vent pipe (10), a gas nozzle (12), a fan (13) and an air outlet (14); the fan (13) is fixedly mounted at the bottom of the furnace body (1); the air outlet (14) is arranged at the bottom center of the inner wall of the combustion chamber (4); the air outlet end of the fan (13) is connected to the air outlet (14); the bottom of the furnace body (1) is provided with a gas inlet (9), and the end of the gas inlet (9) extends into the combustion chamber (4); the gas inlet (9) is arranged in an annular shape at the bottom of the combustion chamber (4), and the gas nozzle (12) is arranged on the gas inlet (9); and a filter plate (15) is fixedly mounted at the top of the combustion chamber (4).

4. A gas boiler energy-saving device and a gas boiler according to claim 1, characterized in that: The flue gas heat recovery mechanism (7) comprises an air outlet pipe (19), a heat recovery chamber (20), fins (21) and a water outlet (22); the air outlet pipe (19) is a heat conduction pipe; the end of the air outlet pipe (19) extends into the heat recovery chamber (20); the fins (21) are arranged in the heat recovery chamber (20); a water inlet pipe is arranged at the top of the heat recovery chamber (20); and a water outlet (22) is arranged at the bottom of the heat recovery chamber (20).

5. A gas boiler energy-saving device and a gas boiler according to claim 1, characterized in that: The flue gas treatment mechanism (8) comprises a treatment chamber (23), a filter screen (24) and an activated carbon adsorption screen (25); the top of the furnace body (1) is located above the heat recovery chamber (20) and is fixedly installed with the treatment chamber (23); the end of the heat recovery chamber (20) is connected to the bottom of the treatment chamber (23) through a connecting pipe; the filter screen (24) and the activated carbon adsorption screen (25) are respectively arranged in the treatment chamber (23), and the activated carbon adsorption screen (25) is located above the filter screen (24); and the top of the treatment chamber (23) is provided with a flue gas outlet (26).

6. A gas boiler energy-saving device and a gas boiler according to claim 1, characterized in that: Four L-shaped supporting legs (2) are arranged at the bottom of the furnace body (1).

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