Energy-saving and environment-friendly combustion steam generator body

Abstract

The utility model belongs to the technical field of steam furnaces, and particularly relates to an energy-saving and environment-friendly combustion steam generator body which comprises a combustion cylinder, a lower boiler cylinder communicated with the combustion cylinder through a pipeline and an upper boiler cylinder communicated with the lower boiler cylinder through a pipeline. An inner cavity of the right end of the first inner barrel is a combustion chamber, a first water interlayer is formed in the interval space between the first inner barrel and the first outer barrel, and the first water interlayer communicates with a water inlet pipe and a water outlet pipe. Through the double-layer structure and the water interlayer design of the combustion cylinder and the lower boiler cylinder, the heat utilization rate is greatly improved, energy conservation and environmental protection are achieved, all the components are communicated to form a complete water circulation system, it is ensured that heat is fully utilized to continuously and stably generate steam, and the combustion and waste heat recovery efficiency is improved through the devices such as the induced draft fan and the air blower; the water level monitoring meter guarantees operation safety, the spiral conveyor guarantees stable fuel supply, and the overall structure is efficient, safe and environmentally friendly.

Description

Technical Field

[0001] This utility model relates to the field of steam furnace technology, specifically to an energy-saving and environmentally friendly combustion steam generator body. Background Technology

[0002] Steam is widely needed in industrial production. Traditional steam boilers often fall short in terms of energy efficiency and environmental performance. With the increasing emphasis on energy conservation and environmental protection, the demand for new types of steam boilers is becoming increasingly urgent.

[0003] Current steam furnaces may suffer from problems such as incomplete combustion, low heat utilization, and ineffective waste heat recovery. Incomplete combustion leads to energy waste and increased pollutant emissions; low heat utilization increases energy consumption costs; and ineffective waste heat recovery further reduces the overall energy utilization efficiency.

[0004] To address these issues, developing an energy-efficient and environmentally friendly steam generator body is of significant practical importance. This new type of steam furnace body, through its unique structural design, aims to improve combustion efficiency, fully utilize heat, and effectively recover waste heat, thereby achieving the goals of energy conservation and environmental protection. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In view of the shortcomings of the prior art, this utility model provides an energy-saving and environmentally friendly combustion steam generator body, which solves the problems mentioned in the background art.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0009] An energy-saving and environmentally friendly combustion steam generator body includes a combustion cylinder, a lower boiler drum connected to the combustion cylinder via a pipe, and an upper boiler drum connected to the lower boiler drum via a pipe. The combustion cylinder has a double-layer structure, including a first inner cylinder and a first outer cylinder. The inner cavity at the right end of the first inner cylinder is a combustion chamber. A first water jacket is formed between the first inner cylinder and the first outer cylinder through a space. The first water jacket is connected to an inlet pipe and an outlet pipe. The inner cavity at the left end of the first inner cylinder is a flue gas passage.

[0010] The lower drum has a double-layer structure, consisting of an outer drum and an inner drum. A second water jacket is formed between the outer drum and the inner drum. Several first smoke pipes are provided in the middle section of the inner drum.

[0011] A perforated partition is placed horizontally in the middle section of the upper drum, and several steam pipes are connected to the upper end of the upper drum.

[0012] The second water jacket of the lower boiler drum, the first water jacket in the combustion drum, and the middle section of the inner cavity of the upper boiler drum are connected in sequence. The flue gas outlet end of the combustion drum is connected to one side of the inner cavity of the lower boiler drum through the first flue pipe. One end of the lower boiler drum is connected to the waste heat recovery device.

[0013] The waste heat recovery device includes an induced draft fan installed outside the casing, with a flue gas outlet on one side of the casing;

[0014] The combustion cylinder is equipped with a screw conveyor for conveying the combustion material;

[0015] The combustion chamber is connected to a water pump, which is connected to a water pipe. One end of the water pipe is connected to the combustion chamber and extends and folds inside the outer casing, where it is pumped.

[0016] Furthermore, several supporting water pipes are arranged crosswise inside the inner cavity of the first inner cylinder, and the two ends of the supporting water pipes pass through the cylinder wall of the first inner cylinder and communicate with the first water jacket.

[0017] Furthermore, the water outlet pipe connects to the cavities of the combustion cylinder, the lower boiler drum, and the upper boiler drum, and a water level monitoring gauge is installed on the water outlet pipe.

[0018] Furthermore, a blower is fixed to one side of the combustion cylinder, and the blower is connected to the inner wall of the first inner cylinder through an air duct.

[0019] (3) Beneficial effects

[0020] Compared with the prior art, this utility model provides an energy-saving and environmentally friendly combustion steam generator body, which has the following beneficial effects:

[0021] This utility model, through the double-layer structure of the combustion chamber and the lower boiler drum and the water jacket design, greatly improves the heat utilization rate, achieves energy saving and environmental protection, and the interconnection of various components forms a complete water circulation system to ensure that heat is fully utilized to continuously and stably generate steam. Devices such as induced draft fans and blowers improve combustion and waste heat recovery efficiency, water level monitoring gauges ensure operational safety, and screw conveyors ensure a stable fuel supply. The overall structure is efficient, safe and environmentally friendly. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a side view of the structure of this utility model;

[0024] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0025] Figure 4 This is a schematic diagram of the connection structure between the upper drum and the partition plate of this utility model;

[0026] Figure 5 This is a schematic diagram of the waste heat recovery device of this utility model.

[0027] In the diagram: 10, Combustion drum; 101, First inner drum; 102, First outer drum; 103, Combustion chamber; 104, First water jacket; 105, Water outlet pipe; 106, Flue gas passage; 107, Supporting water pipe; 20, Lower boiler drum; 201, Outer drum; 202, Inner drum; 203, Second water jacket; 204, First flue pipe; 30, Upper boiler drum; 301, Baffle plate; 302, Steam pipe; 40, First flue pipe; 50, Waste heat recovery device; 501, Exhaust fan; 60, Water level gauge; 70, Blower; 80, Screw conveyor; 90, Water pump; 901, Water pipe. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example

[0030] like Figure 1-5 As shown, an embodiment of this utility model proposes an energy-saving and environmentally friendly combustion steam generator body, including a combustion cylinder 10, a lower boiler drum 20 connected to the combustion cylinder 10 through a pipe, and an upper boiler drum 30 connected to the lower boiler drum 20 through a pipe. The combustion cylinder 10 has a double-layer structure, including a first inner cylinder 101 and a first outer cylinder 102. The inner cavity at the right end of the first inner cylinder 101 is a combustion chamber 103. A first water jacket 104 is formed between the first inner cylinder 101 and the first outer cylinder 102 through a space. The first water jacket 104 is connected to an inlet pipe and an outlet pipe 105. The inner cavity at the left end of the first inner cylinder 101 is a flue gas passage 106.

[0031] The lower drum 20 has a double-layer structure, consisting of an outer drum 201 and an inner drum 202. A second water jacket 203 is formed between the outer drum 201 and the inner drum 202. Several first smoke pipes 204 are provided in the middle section of the inner drum 202.

[0032] The upper drum 30 has a perforated partition 301 placed horizontally in the middle section, and the upper end of the upper drum 30 is connected to several steam pipes 302.

[0033] The second water jacket 203 of the lower boiler drum 20, the first water jacket 104 in the combustion drum 10, and the middle section of the inner cavity of the upper boiler drum 30 are connected in sequence. The flue gas outlet end of the combustion drum 10 is connected to one side of the inner cavity of the lower boiler drum 20 through the first flue pipe 40. One end of the lower boiler drum 20 is connected to the waste heat recovery device 50.

[0034] The waste heat recovery device 50 includes an induced draft fan 501 installed outside the housing, and a flue gas outlet is provided on one side of the housing;

[0035] The combustion cylinder 10 is equipped with a screw conveyor 80 for conveying the combustion material;

[0036] The combustion cylinder 10 is connected to a water pump 90, and the water pump 90 is connected to a water pipe 901. One end of the water pipe 901 is connected to the combustion cylinder 10, extends and is folded inside the outer casing, and is transported by the water pump 90.

[0037] I. Combustion tube 10

[0038] Double-layer structure:

[0039] The first water jacket 104, formed by the double-layer structure, acts as a highly efficient heat exchange medium. During combustion, the high temperature generated by combustion is rapidly transferred to the first inner cylinder 101, and the water in the first water jacket 104 can absorb this heat in a timely manner, avoiding heat waste and significantly improving heat utilization.

[0040] From the perspective of structural stability, the double-layer structure makes the combustion chamber 10 more robust and durable. The first outer cylinder 102 provides external support for the first inner cylinder 101, enabling it to withstand higher pressure and temperature changes and reducing the risk of damage to the combustion chamber 10 caused by thermal stress generated during combustion.

[0041] Combustion chamber 103:

[0042] Combustion chamber 103, as the core area for fuel combustion, has a rational spatial design that ensures complete fuel combustion. Its suitable volume and shape make the combustion process more concentrated, improving combustion efficiency and reducing pollutant emissions from incomplete combustion.

[0043] Flue gas passage 106:

[0044] The flue gas passage 106 allows the flue gas after combustion to be discharged from the combustion chamber 10 in an orderly manner. It provides a specific flow path for the flue gas, avoids chaotic flow of the flue gas in the combustion chamber 10, reduces heat loss, and also facilitates subsequent flue gas treatment and waste heat recovery.

[0045] Support pipe 107:

[0046] The supporting water pipes 107, arranged crosswise within the inner cavity of the first inner cylinder 101, not only enhance the structural strength of the first inner cylinder 101 but also further improve heat absorption efficiency. These supporting water pipes 107, while providing support, also serve as important channels for heat transfer. With both ends connected to the first water jacket 104, water can circulate between the supporting water pipes 107 and the water jacket, increasing the contact area between the water and the high-temperature inner cylinder 202, thereby more effectively absorbing heat.

[0047] Inlet and outlet pipes 105:

[0048] The inlet pipe provides a continuous supply of cold water to the first water jacket 104, while the outlet pipe 105 discharges the hot water that has absorbed heat. This circulating water system ensures that the first water jacket 104 is always at a suitable water temperature, continuously and efficiently absorbing the heat generated by combustion, and providing a stable heat source for steam generation.

[0049] Blower connection 70:

[0050] The blower 70 is connected to the inner wall of the first inner cylinder 101 via an air duct, providing sufficient air for the combustion process. A sufficient air supply promotes complete fuel combustion, improves combustion efficiency, and reduces emissions of harmful gases and particulate matter from incomplete combustion. Simultaneously, a suitable blower configuration can regulate combustion speed and temperature to meet the needs of different operating conditions.

[0051] 2. Boiler tube 20

[0052] The second water jacket 203, formed by the double-layer structure, plays a crucial role in waste heat recovery. After the flue gas discharged from the combustion chamber 10 enters the lower boiler drum 20 through the first flue pipe 40, the waste heat in the flue gas is absorbed by the water in the second water jacket 203, further improving energy utilization efficiency. This double-layer structure also increases the structural stability of the lower boiler drum 20, enabling it to withstand pressure from both the flue gas and the water.

[0053] First chimney 204:

[0054] Several first flue pipes 204 are installed in the middle section of the inner cylinder 202, allowing the flue gas to flow evenly within the lower drum 20. These flue pipes increase the contact area between the flue gas and the water jacket, improving heat exchange efficiency. As the flue gas passes through the first flue pipes 204, it transfers heat to the water in the second water jacket 203, raising the water temperature and providing more heat for steam generation.

[0055] 3. Upper pot drum 30

[0056] The horizontally placed perforated baffle 301 in the middle section serves multiple functions. On one hand, it divides the interior of the upper drum 30 into different zones, allowing the steam to be distributed more evenly during its ascent, thus improving the quality and stability of the steam. On the other hand, the holes in the baffle 301 allow the steam to flow more smoothly during its ascent, preventing steam accumulation and uneven pressure.

[0057] Steam pipe 302:

[0058] Several steam pipes 302 connected at the top are used to output the generated steam. The design of these steam pipes 302 can meet different usage requirements and can deliver steam to various places where it is needed, such as heating and drying in industrial production processes.

[0059] IV. Connectivity

[0060] The second water jacket 203 of the lower boiler drum 20, the first water jacket 104 in the combustion chamber 10, and the middle section of the inner cavity of the upper boiler drum 30 are sequentially connected to form a complete water circulation system. Water in this system flows continuously between different parts, successively absorbing the heat generated by combustion and the waste heat from the flue gas, ultimately converting it into steam. This connection method ensures full utilization of heat and improves energy efficiency.

[0061] The flue pipe is connected properly:

[0062] The flue gas outlet of the combustion cylinder 10 is connected to one side of the inner cavity of the lower boiler drum 20 through a first flue gas pipe 40, allowing the flue gas after combustion to smoothly enter the lower boiler drum 20 for waste heat recovery. This connection method achieves orderly flow of flue gas, avoids flue gas leakage and heat loss, and also provides a guarantee for waste heat recovery.

[0063] V. Waste heat recovery device 50

[0064] Exhaust fan 501:

[0065] The induced draft fan 501, installed externally on the casing of the waste heat recovery device 50, can quickly extract flue gas, improving waste heat recovery efficiency. The function of the induced draft fan 501 is to create a negative pressure environment, facilitating the smooth discharge of flue gas from the combustion chamber 10 and the lower drum 20, and allowing for further heat exchange through the waste heat recovery device 50. Simultaneously, the induced draft fan 501 also ensures smooth flue gas discharge, preventing flue gas accumulation from affecting the combustion and heat exchange processes.

[0066] VI. Screw conveyor 80 and water pump 90

[0067] Screw conveyor 80:

[0068] A screw conveyor 80 mounted on the combustion chamber 10 is used to transport the combustion material. The screw conveyor 80 features continuous and stable feeding, ensuring that the fuel enters the combustion chamber 103 evenly and improving combustion efficiency. Its conveying speed can be adjusted according to actual needs to meet fuel supply requirements under different operating conditions.

[0069] The combustion chamber 10 is connected to the water pump 90, and one end of the water pipe 901 is connected to the combustion chamber 10 and extends and folds inside the housing. The water pump 90 delivers water to the combustion chamber 10 and other parts through the water pipe 901, ensuring a circulating water supply. This design provides the necessary conditions for heat absorption and steam generation, ensuring the normal operation of the entire system. The folded water pipe 901 can better adapt to different installation spaces and layout requirements, improving the system's flexibility and reliability.

[0070] like Figure 3 As shown, in some embodiments, a plurality of supporting water pipes 107 are arranged crosswise within the inner cavity of the first inner cylinder 101. Both ends of the supporting water pipes 107 pass through the wall of the first inner cylinder 101 and communicate with the first water jacket 104. This design allows water to flow freely between the supporting water pipes 107 and the first water jacket 104. During combustion, the inner wall temperature of the first inner cylinder 101 is very high, and the supporting water pipes 107 directly contact the high-temperature inner wall, enabling them to quickly absorb heat. As the water flows between the supporting water pipes 107 and the first water jacket 104, it continuously carries away the heat absorbed by the supporting water pipes 107, thereby achieving more efficient heat exchange. This design expands the contact area between water and the high-temperature region, increases the pathways for heat exchange, further improves the heat utilization rate of the entire combustion steam furnace, and achieves the goal of energy conservation and environmental protection.

[0071] like Figure 2 As shown, in some embodiments, the water outlet pipe 105 connects the cavities of the combustion cylinder 10, the lower boiler drum 20, and the upper boiler drum 30, and a water level gauge 60 is provided on the water outlet pipe 105. The water outlet pipe 105 connects the cavities of the combustion cylinder 10, the lower boiler drum 20, and the upper boiler drum 30, allowing water to circulate among these three main components. This connection method constructs a complete water circulation system. During the operation of the combustion steam furnace, water flows sequentially through different components, absorbing the heat generated by combustion and the waste heat from the flue gas. Starting from the first water jacket 104 of the combustion cylinder 10, the heated water flows into the second water jacket 203 of the lower boiler drum 20 to continue absorbing heat, and then enters the upper boiler drum 30 to participate in the steam generation process. The circulating flow of water ensures that heat can be fully utilized, improves energy efficiency, and also provides a guarantee for the continuous and stable generation of steam.

[0072] A water level monitor 60 is installed on the water outlet pipe 105. This design is crucial for the safe and stable operation of the steam combustion furnace. The water level monitor 60 can monitor the water level in the entire water circulation system in real time. Both excessively high and low water levels can adversely affect the normal operation of the furnace. When the water level is too high, it may lead to excessive pressure, increasing the risk of leakage or explosion; while when the water level is too low, it may affect heat transfer and steam generation, and even damage furnace components. Through the water level monitor 60, operators can promptly understand the water level within the furnace and take appropriate measures to adjust it, such as adding water or draining excess water, to ensure that the furnace always operates within a safe water level range, guaranteeing the safe and reliable operation of the production process.

[0073] like Figure 2 As shown, in some embodiments, a blower 70 is fixed to one side of the combustion cylinder 10, and the blower 70 is connected to the inner wall of the first inner cylinder 101 via a duct. The blower 70 fixed to one side of the combustion cylinder 10 can provide sufficient oxygen for the combustion process. During combustion, the fuel needs to be in full contact with oxygen to achieve efficient combustion. The blower 70, connected to the inner wall of the first inner cylinder 101 via a duct, can force outside air into the combustion zone, increasing the oxygen supply. Sufficient oxygen allows the fuel to burn more completely, improving combustion efficiency and reducing pollutant emissions from incomplete combustion, such as carbon monoxide and unburned carbon particles. At the same time, efficient combustion can also release more heat, providing a more powerful heat source for steam generation.

[0074] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An energy-saving and environmentally friendly combustion steam generator body, comprising a combustion cylinder (10), a lower boiler drum (20) connected to the combustion cylinder (10) via a pipe, and an upper boiler drum (30) connected to the lower boiler drum (20) via a pipe, characterized in that: The combustion cylinder (10) has a double-layer structure, including a first inner cylinder (101) and a first outer cylinder (102). The right end of the first inner cylinder (101) is a combustion chamber (103). A first water jacket (104) is formed between the first inner cylinder (101) and the first outer cylinder (102) with an inter-space gap. The first water jacket (104) is connected to a water inlet pipe and a water outlet pipe (105). The left end of the first inner cylinder (101) is a flue gas passage (106). The lower drum (20) has a double-layer structure, consisting of an outer drum (201) and an inner drum (202). A second water jacket (203) is formed between the outer drum (201) and the inner drum (202). Several first smoke pipes (204) are provided in the middle section of the inner drum (202). The upper drum (30) has a perforated partition (301) placed horizontally in the middle section, and the upper end of the upper drum (30) is connected to several steam pipes (302). The second water jacket (203) of the lower boiler drum (20), the first water jacket (104) in the combustion drum (10) and the middle section of the inner cavity of the upper boiler drum (30) are connected in sequence. The flue gas outlet end of the combustion drum (10) is connected to one side of the inner cavity of the lower boiler drum (20) through the first flue pipe (40). One end of the lower boiler drum (20) is connected to the waste heat recovery device (50). The waste heat recovery device (50) includes an induced draft fan (51) installed outside the housing, and a flue gas outlet is provided on one side of the housing; The combustion cylinder (10) is equipped with a screw conveyor (80) for conveying the combustion material; The combustion cylinder (10) is connected to a water pump (90), and the water pump (90) is connected to a water pipe (901). One end of the water pipe (901) is connected to the combustion cylinder (10), extends and is folded inside the outer casing, and is transported by the water pump (90).

2. The energy-saving and environmentally friendly combustion steam generator body according to claim 1, characterized in that: A plurality of supporting water pipes (107) are arranged crosswise inside the inner cavity of the first inner cylinder (101). The two ends of the supporting water pipes (107) pass through the cylinder wall of the first inner cylinder (101) and communicate with the first water jacket (104).

3. The energy-saving and environmentally friendly combustion steam generator body according to claim 1, characterized in that: The water outlet pipe (105) connects the combustion cylinder (10), the lower boiler cylinder (20) and the upper boiler cylinder (30) cavity, and a water level monitoring gauge (60) is provided on the water outlet pipe (105).

4. The energy-saving and environmentally friendly combustion steam generator body according to claim 1, characterized in that: A blower (70) is fixed on one side of the combustion cylinder (10), and the blower (70) is connected to the inner wall of the first inner cylinder (101) through a duct.

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