Environment-friendly and energy-saving assembly type ALC wallboard boiler preheating recycling equipment

Abstract

The utility model relates to the technical field of boiler equipment, in particular to environment-friendly and energy-saving assembly type ALC wallboard boiler preheating recycling equipment which comprises a smoke collecting cover, the smoke collecting cover is arranged at a smoke outlet of a boiler in a covering mode, the top end of the smoke collecting cover is connected with a recycling bent pipe, one side of the bottom end of the recycling bent pipe is connected with a smoke channel, and the other side of the bottom end of the recycling bent pipe is connected with a smoke outlet. A plurality of heat exchange assemblies are installed on the smoke channel at equal intervals, upper connecting pipes are arranged at one ends of the heat exchange assemblies, and lower connecting pipes are arranged at the other ends of the heat exchange assemblies. According to the preheating recycling equipment for the environment-friendly and energy-saving assembled ALC wallboard boiler, high-temperature flue gas at the smoke outlet of the boiler is effectively collected through the flue gas collecting cover and is guided to the heat exchange assembly through the recycling bent pipe and the flue gas channel, and full utilization of flue gas waste heat is achieved. The heat exchange assembly adopts the structural design of the outer pipe and the inner pipe, and the inner pipe is a snakelike pipeline, so that the contact area between flue gas and a heat exchange medium is increased, and the heat exchange efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler equipment technical field, specifically, relate to a kind of for environmental protection energy-saving assembly type ALC wallboard boiler preheating recycling equipment. BACKGROUND

[0002] In the field of boiler equipment technology, a large amount of high-temperature flue gas will be generated during the operation of the boiler. These flue gases are usually directly discharged into the atmosphere, not only causing waste of energy, but also possibly polluting the environment. Traditional boiler systems often lack effective utilization mechanisms for flue gas waste heat, resulting in low energy utilization efficiency.

[0003] Especially in the field of assembly type ALC wallboard production and other industries, the boiler as an important energy equipment, its energy consumption and emission directly affect the production cost and environmental protection. A large amount of steam and heat energy is required in the production process of ALC wallboard (autoclaved aerated concrete wallboard), and if the flue gas waste heat generated by the boiler can be effectively utilized, it will significantly reduce energy consumption, improve production efficiency, and reduce environmental pollution. SUMMARY

[0004] The purpose of the utility model is to provide a kind of for environmental protection energy-saving assembly type ALC wallboard boiler preheating recycling equipment to solve the problem of low energy utilization efficiency caused by the lack of effective utilization mechanisms for flue gas waste heat in traditional boiler systems as described in the background.

[0005] To achieve the above purpose, the utility model provides a kind of for environmental protection energy-saving assembly type ALC wallboard boiler preheating recycling equipment, including flue gas collecting cover, the flue gas collecting cover, the flue gas collecting cover cover is arranged at the exhaust port of boiler, the top end of the flue gas collecting cover is connected with recovery elbow pipe, the bottom end side of the recovery elbow pipe is connected with flue gas passage, a plurality of heat exchange components are installed on the flue gas passage at equal intervals, one end of the heat exchange component is provided with upper connector, the other end of the heat exchange component is provided with lower connector, adjacent the upper connector is connected by a communication component, adjacent the lower connector is connected by a communication component.

[0006] As a preferred, the bottom of the recovery elbow pipe is installed with a settling bin, one side of the settling bin is provided with a dust removal port.

[0007] As a preferred, the outer wall of the flue gas passage is provided with a dust removal cover.

[0008] As a preferred, the heat exchange component includes a plurality of outer pipes and inner pipes, the outer pipes are located on the outer sides of the flue gas passage, the inner pipes are located inside the flue gas passage, the outer pipes are U-shaped structures, and the outer pipes connect the end heads of adjacent inner pipes above and below.

[0009] As preferred, the inner tube is a serpentine pipe structure.

[0010] As preferred, the communicating assembly comprises a U-shaped pipe, both ends of which are provided with joints, and the U-shaped pipe is connected with the outer end of the adjacent heat exchange assembly through the joints.

[0011] As preferred, the outer shell of the joint is fixed on the outer wall of the flue gas passage through a mounting flange, and the U-shaped pipe is connected and fixed with the joint through a detachable flange.

[0012] As preferred, a sealing ring is installed at the connection between the heat exchange assembly and the flue gas passage.

[0013] Compared with the prior art, the utility model has the beneficial effects of:

[0014] In the equipment for the environmental protection and energy saving assembly type ALC wallboard boiler preheating recycling, the high-temperature flue gas at the boiler exhaust port is effectively collected through the flue gas collecting cover, and is guided to the heat exchange assembly through the recycling elbow and the flue gas passage, so that the flue gas waste heat is fully utilized. The heat exchange assembly adopts the structural design of the outer tube and the inner tube, the inner tube is a serpentine pipe, the contact area of the flue gas and the heat exchange medium is increased, and the heat exchange efficiency is improved.

[0015] The overall structure of the equipment is simple and clear, and the components are quickly disassembled and assembled through the flanges and other connecting pieces, so that the on-site installation and later maintenance are facilitated. The communicating assembly adopts the design of the U-shaped pipe and the joint, so that the connection between the adjacent heat exchange assemblies is more flexible and reliable, and the installation difficulty is reduced.

[0016] The recycling elbow is provided with a settling bin at the bottom for collecting dust and impurities in the flue gas, and the dust removal port is designed to make the dust removal operation more convenient and fast. The outer wall of the flue gas passage is provided with a dust removal cover, which further facilitates the cleaning and maintenance of the inside of the flue gas passage, and ensures the long-term stable operation of the equipment. Through the efficient recycling of the flue gas waste heat, a stable heat source is provided for the production of the assembly type ALC wallboard, the energy consumption and production cost are reduced. The environmental protection and energy saving characteristics of the equipment meet the green development requirements of the assembly type ALC wallboard production industry, and help to promote the sustainable development of the industry. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Fig. 2 It is a schematic diagram of the structure of the heat exchange assembly in the utility model;

[0019] Fig. 3 It is a schematic diagram of the structure of the communicating assembly in the utility model;

[0020] The meanings of the various reference numerals in the drawings are as follows:

[0021] 1, smoke collecting cover; 2, recovery bend; 3, settling bin; 31, dust removal port; 4, flue gas passage; 5, heat exchange assembly; 51, outer pipe; 52, inner pipe; 53, upper connecting pipe; 54, lower connecting pipe; 6, communication assembly; 61, U-shaped connecting pipe; 611, dismounting flange; 62, joint; 621, mounting flange; 7, dust removal cover. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] The utility model provides a kind of for environmental protection energy-saving assembly type ALC wallboard boiler preheating recycling equipment, as shown in figure, Figs. 1-3 As shown, including smoke collecting cover 1, smoke collecting cover 1, smoke collecting cover 1 cover is located at the flue gas outlet of boiler, the top end of smoke collecting cover 1 is connected with recovery bend 2, the bottom end side of recovery bend 2 is connected with flue gas passage 4, several heat exchange assemblies 5 are installed at equal intervals on flue gas passage 4, one end of heat exchange assembly 5 is provided with upper connecting pipe 53, the other end of heat exchange assembly 5 is provided with lower connecting pipe 54, adjacent upper connecting pipe 53 is connected by a communication assembly 6, adjacent lower connecting pipe 54 is connected by a communication assembly 6. Through ingenious design, the efficient recovery and utilization of flue gas waste heat are realized. Smoke collecting cover 1 cover is located at the flue gas outlet of boiler, effectively captures the high-temperature flue gas generated by boiler, avoids direct flue gas discharge and energy waste. Recovery bend 2 guides flue gas to flue gas passage 4, which provides stable flue gas source for subsequent heat exchange process.

[0024] Several heat exchange assemblies 5 installed at equal intervals on flue gas passage 4 are connected with adjacent assemblies through upper connecting pipe 53 and lower connecting pipe 54, forming a continuous heat exchange system. This design not only increases the contact area of flue gas and heat exchange medium, improves the heat exchange efficiency, but also realizes flexible connection between heat exchange assemblies through communication assembly 6, so that equipment installation is more convenient and maintenance is more convenient.

[0025] Overall, the equipment is compact in structure and reasonable in design, effectively realizes the recovery and utilization of flue gas waste heat, and provides an energy-saving and environmentally-friendly heat source solution for the production of assembly type ALC wallboard.

[0026] In this embodiment, the bottom of the elbow pipe 2 is provided with a settling bin 3, and one side of the settling bin 3 is provided with a dust removal port 31. The design of the settling bin 3 effectively captures and settles the dust and impurities in the flue gas, preventing them from entering the subsequent heat exchange system and ensuring the cleanliness and efficient operation of the heat exchange assembly. The setting of the dust removal port 31 makes it easy to remove the dust and impurities in the settling bin, maintaining the long-term stable operation of the equipment.

[0027] Specifically, the outer wall of the flue gas passage 4 is provided with a dust removal cover 7. The design of the dust removal cover 7 provides a convenient way to clean the inside of the flue gas passage 4. By opening the dust removal cover, the inside of the flue gas passage can be easily cleaned, preventing dust and impurities from accumulating in the passage and ensuring smooth flow of flue gas and efficient heat exchange.

[0028] Further, the heat exchange assembly 5 includes a plurality of outer pipes 51 and inner pipes 52, the outer pipes 51 are located on both sides of the flue gas passage 4, the inner pipes 52 are located inside the flue gas passage 4, the outer pipes 51 are U-shaped structures, and the outer pipes 51 connect the ends of the adjacent inner pipes 52. The design of this heat exchange assembly increases the contact area between flue gas and heat exchange medium, improving the heat exchange efficiency. The U-shaped outer pipes 51 connect the ends of the adjacent inner pipes 52, forming a continuous heat exchange passage, making the heat exchange process more efficient and uniform.

[0029] Further, the inner pipe 52 is a serpentine pipe structure. The serpentine pipe structure of the inner pipe 52 further increases the contact area between flue gas and heat exchange medium, prolongs the residence time of flue gas in the heat exchange assembly, and improves the completeness and efficiency of heat exchange.

[0030] Further, the communication assembly 6 includes a U-shaped connector 61, and the two ends of the U-shaped connector 61 are provided with connectors 62. The U-shaped connector 61 is connected to the outer end of the adjacent heat exchange assembly 5 through the connectors 62. The design of the communication assembly 6 realizes the flexible connection between the adjacent heat exchange assemblies 5, making the equipment installation more convenient and the maintenance more convenient. The combination of the U-shaped connector 61 and the connector 62 ensures the stability and reliability of the connection.

[0031] Further, the shell of the connector 62 is fixed to the outer wall of the flue gas passage 4 through a flange 621, and the U-shaped connector 61 is connected and fixed to the connector 62 through a flange 611. The design of the flange connection makes the installation and disassembly of the connector 62 and the U-shaped connector 61 more convenient and fast, improving the maintainability and upgradability of the equipment. At the same time, the flange connection also ensures the sealing and stability of the connection.

[0032] Further, a sealing ring is installed at the connection between the exchange assembly 5 and the flue gas passage 4. The installation of the sealing ring effectively prevents the leakage of flue gas at the connection between the exchange assembly 5 and the flue gas passage 4, ensuring the sealing and safety of the equipment. At the same time, the sealing ring also plays a buffering and damping role, protecting the normal operation of the equipment.

[0033] The boiler preheating recycling equipment for the environmental protection and energy saving assembly type ALC wallboard in the utility model in use, first flue gas collecting cover 1 captures the high temperature flue gas generated by the boiler. The recovery elbow 2 guides the flue gas to the flue gas passage 4, and part of the dust and impurities are naturally settled under the action of gravity. The flue gas flows in the flue gas passage 4, and the heat is transferred to the heat exchange medium through the heat exchange assembly 5, realizing the recycling and utilization of heat. The settling bin 3 captures and settles the dust and impurities in the flue gas, and the design of the dust removal port 31 and the dust removal cover 7 facilitates the regular cleaning and maintenance of the equipment. The communication assembly 6 realizes the flexible connection between adjacent heat exchange assemblies 5, and the design of the flange connection and the sealing ring ensures the sealing and stability of the connection.

[0034] When the flue gas flows in the flue gas passage 4, the heat is transferred to the heat exchange medium (such as water, air, etc.) in the inner tube 52 through the heat exchange between the outer tube 51 and the inner tube 52. The serpentine pipe structure of the inner tube 52 further increases the contact area of the flue gas and the heat exchange medium, prolongs the residence time of the flue gas in the heat exchange assembly, and improves the fullness and efficiency of heat exchange. One end of the heat exchange assembly 5 is provided with an upper connecting pipe 53, and the other end is provided with a lower connecting pipe 54. Adjacent upper connecting pipes 53 and lower connecting pipes 54 are connected by a communication assembly 6 respectively, forming a continuous heat exchange system. This design enables the flue gas to pass through multiple heat exchange assemblies 5 in turn, realizing the step-by-step transfer and full utilization of heat.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and are not intended to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A preheating and recycling device for an environmentally friendly and energy-saving prefabricated ALC wall panel boiler, comprising a flue gas collection hood (1), characterized in that: The flue gas collection hood (1) is installed at the flue gas outlet of the boiler. The top of the flue gas collection hood (1) is connected to a recovery bend (2). The bottom of the recovery bend (2) is connected to a flue gas passage (4). Several heat exchange components (5) are installed at equal intervals on the flue gas passage (4). One end of the heat exchange component (5) is provided with an upper pipe (53), and the other end of the heat exchange component (5) is provided with a lower pipe (54). Adjacent upper pipes (53) are connected by a connecting component (6), and adjacent lower pipes (54) are connected by a connecting component (6).

2. The preheating and recycling equipment for environmentally friendly and energy-saving prefabricated ALC wall panel boilers according to claim 1, characterized in that: The bottom of the recycling bend (2) is equipped with a settling chamber (3), and a dust removal port (31) is provided on one side of the settling chamber (3).

3. The preheating and recycling equipment for environmentally friendly and energy-saving prefabricated ALC wall panel boilers according to claim 1, characterized in that: The outer wall of the flue gas passage (4) is provided with a dust removal cover (7).

4. The preheating and recycling equipment for environmentally friendly and energy-saving prefabricated ALC wall panel boilers according to claim 1, characterized in that: The heat exchange assembly (5) includes several outer tubes (51) and inner tubes (52). The outer tubes (51) are located on both sides outside the flue gas passage (4), and the inner tubes (52) are located inside the flue gas passage (4). The outer tubes (51) have a U-shaped structure and connect the ends of the upper and lower adjacent inner tubes (52).

5. The preheating and recycling equipment for environmentally friendly and energy-saving prefabricated ALC wall panel boilers according to claim 4, characterized in that: The inner tube (52) has a serpentine pipe structure.

6. The preheating and recycling equipment for environmentally friendly and energy-saving prefabricated ALC wall panel boiler according to claim 1, characterized in that: The connecting component (6) includes a U-shaped pipe (61), with connectors (62) installed at both ends of the U-shaped pipe (61), and the U-shaped pipe (61) is connected to the outer end of the adjacent heat exchange component (5) through the connectors (62).

7. The preheating and recycling equipment for environmentally friendly and energy-saving prefabricated ALC wall panel boilers according to claim 6, characterized in that: The outer shell of the connector (62) is fixed to the outer wall of the flue gas passage (4) by the mounting flange (621), and the U-shaped pipe (61) is connected and fixed to the connector (62) by the disassembly flange (611).

8. The preheating and recycling equipment for environmentally friendly and energy-saving prefabricated ALC wall panel boilers according to claim 1, characterized in that: A sealing ring is installed at the connection between the exchange component (5) and the flue gas passage (4).

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