Waste heat recycling and circulating device of generator set

Abstract

The utility model discloses a waste heat recycling and circulating device of a generator set, which particularly relates to the technical field of generator sets and comprises a circulating drying box and a circulating filter box, a water collecting tank is arranged at the bottom end of an inner cavity of the circulating drying box, the circulating filter box is mounted on the upper end face of the circulating drying box, and an air supply pipe is mounted on the right side of the circulating filter box. Connecting pipes are mounted at the input ends of the first air extracting pump and the second air extracting pump; waste heat and waste gas generated by the generator set are recycled and used for the drying process of the circulating drying box, the waste heat and waste gas are filtered and then fed into the drying box, a stable heat source can be provided, and therefore waste heat recycling is achieved, the energy utilization rate is increased, and the cost of the drying process is reduced; and airflow in the circulating drying box is pumped out through the second sucking pump and sent back to the circulating filtering box to be filtered, airflow circulation is formed, the freshness and cleanliness of air in the drying box can be kept, accumulation of moisture and pollutants is avoided, and the drying effect and the product quality are improved.

Description

Technical Field

[0001] This utility model relates to the field of generator set technology, and more specifically, to a generator set waste heat recovery and recycling device. Background Technology

[0002] Generator sets have wide applications in industrial and agricultural production, national defense, science and technology, and daily life. A search revealed a patent publication number, CN211178095U, which discloses a waste heat recovery device for generator sets. This device includes an exhaust pipe with end plates sealing both ends. An air inlet is located on the side wall of the exhaust pipe on one end plate, and an air outlet is located on the side wall of the exhaust pipe on the other end plate. A heat exchange tube, coaxial with the exhaust pipe, is inserted inside the exhaust pipe. Each end of the heat exchange tube is located outside its corresponding end plate. One end of the heat exchange tube is connected to a circulation pump via a fitting. The device also includes a flat base plate containing a circulation tube. One end of the circulation tube is connected to the free end of the circulation pump, and the other end is connected to the other end of the heat exchange tube via a fitting. This device recovers heat from the waste gas and transfers it to the base plate via fittings, thereby increasing the temperature of the battery pack inside the base plate. This extends the battery pack's operating time and lifespan, making it suitable for industrial production and highly practical. In the process of developing the utility model, the inventors discovered the following problems with the existing technology:

[0003] Existing waste heat recovery devices focus on heating battery packs, limiting the use of waste heat to this specific task. In actual operation, the waste heat generated by the generator set often exceeds the heating requirements of the battery pack. The excess waste heat cannot be further utilized due to the limitations of the device, resulting in waste. In industrial and agricultural production and daily life, the need to dry materials when using generator sets is widespread in food processing, agricultural product storage, and chemical raw material processing. The need to dry a large amount of materials while using generator sets results in low energy efficiency, requiring additional energy consumption to achieve drying, thus increasing energy costs.

[0004] Therefore, a waste heat recovery and recycling device for generator sets is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a generator set waste heat recovery and recycling device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a generator set waste heat recovery and utilization circulation device, comprising a circulating drying box and a circulating filter box, wherein a water collection tank is provided at the bottom of the inner cavity of the circulating drying box, the circulating filter box is installed on the upper end face of the circulating drying box, and limit grooves are provided at both the front and rear ends of the inner cavity of the circulating filter box, a coarse filter plate is provided in the inner cavity of the circulating filter box, a fine filter plate is provided on the right side of the coarse filter plate, and an activated carbon filter plate is provided on the right side of the fine filter plate;

[0007] A first air pump is installed on the left side of the circulating filter box, and an air supply pipe is installed on the right side of the circulating filter box. An air inlet pipe is installed at the output end of the first air pump, and a second air pump is installed at the front end of the first air pump. Connecting pipes are installed at the input ends of both the first air pump and the second air pump. The air inlet pipe is used to connect to the exhaust pipe of the generator.

[0008] Preferably, the ends of both sets of connecting pipes furthest from the first and second air pumps are connected to the circulating filter box, and the output end of the second air pump is connected to the circulating drying box.

[0009] Preferably, the end of the air supply pipe away from the circulating drying box is connected to the circulating drying box.

[0010] Preferably, the limiting groove is provided in six sets, with each pair of limiting grooves corresponding to each other. The two ends of the coarse filter plate, fine filter plate and activated carbon filter plate respectively abut against the inner cavity of two sets of limiting grooves to achieve limiting.

[0011] Preferably, a drain outlet is provided on the left side of the inner wall of the water collection tank, and a water inlet pipe is fixedly connected to the left side of the drain outlet.

[0012] Preferably, the inner cavity of the water collection tank is equipped with a drain rack, and the drain rack is provided with support legs at all four corners. The surface of the drain rack is distributed in several stripes at equal intervals.

[0013] Preferably, a sealing door is installed at the front end of the circulating filter box, and the sealing door is movably connected to the circulating filter box via a hinge.

[0014] Preferably, the contact surface between the sealing door and the circulating filter box is provided with a rubber strip, and universal wheels are installed at the four corners of the bottom of the circulating filter box.

[0015] The technical effects and advantages of this utility model are as follows:

[0016] 1. Compared with existing technologies, the waste heat recovery and recycling device of this generator set recovers the waste heat and exhaust gas generated by the generator set and uses it for the drying process of the circulating drying box. The waste heat and exhaust gas is filtered and sent into the drying box, which can provide a stable heat source, thereby realizing the reuse of waste heat, improving energy utilization, and reducing the cost of the drying process.

[0017] 2. Compared with existing technologies, the waste heat recovery and recycling device of this generator set extracts the airflow in the circulating drying box through the second air extraction pump and sends it back to the circulating filter box for filtration, forming an airflow circulation. This helps to maintain the freshness and cleanliness of the air in the drying box, avoids the accumulation of moisture and pollutants, and makes the drying process more uniform, improving the drying effect and product quality. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the water collection tank of this utility model.

[0020] Figure 3 This is a three-dimensional cross-sectional view of the circulating filter box of this utility model.

[0021] Figure 4 This is a three-dimensional structural diagram of the drain rack of this utility model.

[0022] Figure 5 This utility model Figure 2 A magnified schematic diagram of the structure at point A in the diagram.

[0023] The attached diagram is labeled as follows: 1. Circulating drying oven; 2. Water collection tank; 21. Drain outlet; 22. Water inlet pipe; 3. Drain rack; 4. Support leg; 5. Circulating filter box; 6. Limiting groove; 7. Coarse filter plate; 8. Fine filter plate; 9. Activated carbon filter plate; 10. First air pump; 11. Air supply pipe; 12. Air inlet pipe; 13. Second air pump; 14. Connecting pipe; 15. Sealing door; 16. Casters. Detailed Implementation

[0024] 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.

[0025] Example 1

[0026] As attached Figures 1 to 5The device shown is a generator set waste heat recovery and recycling system, including a circulating drying box 1 and a circulating filter box 5. The circulating drying box 1 serves as the main drying space, using the hot air recovered from waste heat to dry the materials, thus achieving secondary energy utilization. A water collection tank 2 is provided at the bottom of the inner cavity of the circulating drying box 1 to collect the moisture generated during the drying process. The circulating filter box 5 is installed on the upper surface of the circulating drying box 1. Limiting grooves 6 are provided at both the front and rear ends of the inner cavity of the circulating filter box 5 to fix the position of the filter plates and ensure that the airflow is forced through the filter layer to improve the filtration effect. A coarse filter plate 7 is provided in the inner cavity of the circulating filter box 5 to intercept large particulate impurities. A fine filter plate 8 is provided on the right side of the coarse filter plate 7 to further filter small particles. An activated carbon filter plate 9 is provided on the right side of the fine filter plate 8 to adsorb harmful gases and odors in the waste gas and purify the air quality.

[0027] A first suction pump 10 is installed on the left side of the circulating filter box 5. An air inlet pipe 12 is installed at the output end of the first suction pump 10. The air inlet pipe 12 is used to connect to the exhaust pipe of the generator. The high-temperature exhaust gas of the generator is extracted through the air inlet pipe 12 and sent to the circulating filter box 5. An air supply pipe 11 is installed on the right side of the circulating filter box 5. The air supply pipe 11 sends the filtered clean hot air into the circulating drying box 1 to provide a drying heat source. A second suction pump 13 is set at the front end of the first suction pump 10. A connecting pipe 14 is installed at the input end of both the first suction pump 10 and the second suction pump 13. The second suction pump 13 extracts the humid and hot air in the circulating drying box 1 and sends it back to the circulating filter box 5 to maintain airflow circulation.

[0028] Example 2

[0029] Based on Example 1, the solution in Example 1 will be further described in detail below with reference to the specific working method, such as... Figures 1 to 5 As shown below, see details:

[0030] In a preferred embodiment, the ends of both sets of connecting pipes 14 away from the first suction pump 10 and the second suction pump 13 are connected to the circulating filter box 5. The output end of the second suction pump 13 is connected to the circulating drying box 1. The connecting pipes 14 connect the first suction pump 10, the second suction pump 13 and the circulating filter box 5, so that the filtered gas extracted by the first suction pump 10 can be sent into the circulating filter box 5 through the connecting pipes 14. The second suction pump 13 can draw the gas in the circulating drying box 1 back into the circulating filter box 5, realizing the circulation of gas between the circulating filter box 5 and the circulating drying box 1. The end of the air supply pipe 11 away from the circulating drying box 1 is connected to the circulating drying box 1. The air supply pipe 11 delivers the filtered hot gas in the circulating filter box 5 to the circulating drying box 1, providing the heat required for drying in the circulating drying box 1, and using waste heat to dry the items in the circulating drying box 1.

[0031] In a preferred embodiment, six sets of limiting grooves 6 are provided, with each pair of limiting grooves 6 corresponding to each other. The six sets of limiting grooves 6 correspond to each other in pairs, providing precise installation positions for the coarse filter plate 7, fine filter plate 8, and activated carbon filter plate 9. The two ends of the coarse filter plate 7, fine filter plate 8, and activated carbon filter plate 9 respectively abut against the inner cavity of two sets of limiting grooves 6 to achieve limiting. The corresponding limiting grooves 6 make the installation and disassembly of the filter plates simple and direct. Maintenance personnel can easily insert or pull out the filter plates along the limiting grooves 6 to reasonably separate and install the coarse filter plate 7, fine filter plate 8, and activated carbon filter plate 9.

[0032] In a preferred embodiment, a drain outlet 21 is provided on the left side of the inner wall of the water collection tank 2. A water inlet pipe 22 is connected and fixed to the left side of the drain outlet 21. The drain outlet 21 and water inlet pipe 22 on the left side of the inner wall of the water collection tank 2 facilitate the guidance of the water collected in the water collection tank 2 to a designated location for treatment or reuse, and avoid excessive water accumulation in the water collection tank 2, which would affect the normal use of the circulating drying oven 1. A drain rack 3 is installed in the inner cavity of the water collection tank 2. The surface of the drain rack 3 is distributed in several strips at equal intervals, which is conducive to the drainage of items placed on it, so that the water on the items can quickly drip into the water collection tank 2, speeding up the drying speed and improving the drying efficiency. Support legs 4 are provided at the four corners of the drain rack 3. The support legs 4 at the four corners of the drain rack 3 support the drain rack 3, so that a certain space is formed between the drain rack 3 and the bottom of the water collection tank 2, preventing the items placed on the drain rack 3 from directly contacting the water.

[0033] In a preferred embodiment, a sealing door 15 is installed at the front end of the circulating filter box 5. The sealing door 15 is movably connected to the circulating filter box 5 via a hinge, allowing the sealing door 15 to be easily opened and closed. A rubber strip is provided on the contact surface between the sealing door 15 and the circulating filter box 5, which can effectively reduce gas leakage. Universal wheels 16 are installed at the four corners of the bottom of the circulating filter box 5, allowing the circulating filter box 5 to be easily moved to different positions.

[0034] The working process of this utility model is as follows: First, the first air pump 10 is connected to the exhaust pipe of the generator through the air inlet pipe 12 to export the high-temperature exhaust gas generated by the generator. It is then transported to the circulating filter box 5 through one of the connecting pipes 14. In the circulating filter box 5, the high-temperature exhaust gas first passes through the coarse filter plate 7 to intercept large particulate impurities, and then passes through the fine filter plate 8 and the activated carbon filter plate 9 in sequence. The fine filter plate 8 further filters out small particles, and the activated carbon filter plate 9 adsorbs harmful gases and odors in the exhaust gas to achieve purification and filtration of the exhaust gas. Subsequently, the clean hot gas after filtration is sent into the circulating drying box 1 through the air supply pipe 11 to provide a drying heat source for the circulating drying box 1 and to dry the material.

[0035] The second suction pump 13 extracts the hot and humid air generated during the drying process in the circulating drying chamber 1 and sends it back to the circulating filter chamber 5 through the connecting pipe 14 for re-filtration, thus achieving airflow circulation. The water collection tank 2 at the bottom of the inner cavity of the circulating drying chamber 1 collects the moisture generated during the drying process. The drain outlet 21 and water inlet pipe 22 on the left side of the inner wall of the water collection tank 2 guide the water in the water collection tank 2 to a designated location for treatment or reuse. At the same time, the drain rack 3 in the water collection tank 2 helps the items placed on it to drain water, which speeds up the drying process. The support legs 4 at the four corners of the drain rack 3 support the drain rack 3 to prevent items from directly contacting the water. The sealing door 15 at the front of the circulating filter chamber 5 is connected by a hinge for easy opening and closing and is moved by the universal wheels 16. The above is the working principle of this generator set waste heat recovery and recycling device.

Claims

1. A waste heat recovery and recycling device for generator sets, comprising a circulating drying chamber (1) and a circulating filter chamber (5), characterized in that: A water collection tank (2) is provided at the bottom of the inner cavity of the circulating drying box (1). The circulating filter box (5) is installed on the upper surface of the circulating drying box (1). Limiting grooves (6) are provided at both the front and rear ends of the inner cavity of the circulating filter box (5). A coarse filter plate (7) is provided in the inner cavity of the circulating filter box (5). A fine filter plate (8) is provided on the right side of the coarse filter plate (7). An activated carbon filter plate (9) is provided on the right side of the fine filter plate (8). A first air pump (10) is installed on the left side of the circulating filter box (5), and an air supply pipe (11) is installed on the right side of the circulating filter box (5). An air inlet pipe (12) is installed at the output end of the first air pump (10). A second air pump (13) is provided at the front end of the first air pump (10). A connecting pipe (14) is installed at the input end of both the first air pump (10) and the second air pump (13). The air inlet pipe (12) is used to connect to the exhaust pipe of the generator.

2. The waste heat recovery and recycling device for generator sets according to claim 1, characterized in that: The ends of the two sets of connecting pipes (14) away from the first air pump (10) and the second air pump (13) are connected to the circulating filter box (5), and the output end of the second air pump (13) is connected to the circulating drying box (1).

3. The waste heat recovery and recycling device for generator sets according to claim 1, characterized in that: The end of the air supply pipe (11) away from the circulating drying box (1) is connected to the circulating drying box (1).

4. The waste heat recovery and recycling device for generator sets according to claim 1, characterized in that: The limiting groove (6) is provided in six sets, with each pair of limiting grooves (6) corresponding to each other. The two ends of the coarse filter plate (7), fine filter plate (8) and activated carbon filter plate (9) respectively abut against the inner cavity of two sets of limiting grooves (6) to achieve limiting.

5. The waste heat recovery and recycling device for generator sets according to claim 1, characterized in that: A drain outlet (21) is provided on the left side of the inner wall of the water collection tank (2), and a water inlet pipe (22) is fixedly connected to the left side of the drain outlet (21).

6. The waste heat recovery and recycling device for generator sets according to claim 1, characterized in that: The inner cavity of the water collection tank (2) is equipped with a drain rack (3), and the four corners of the drain rack (3) are provided with support legs (4). The surface of the drain rack (3) is distributed in several strips at equal intervals.

7. The waste heat recovery and recycling device for a generator set according to claim 6, characterized in that: The front end of the circulating filter box (5) is equipped with a sealing door (15), which is movably connected to the circulating filter box (5) via a hinge.

8. The waste heat recovery and recycling device for a generator set according to claim 7, characterized in that: A rubber strip is provided on the contact surface between the sealing door (15) and the circulating filter box (5), and casters (16) are installed at the four corners of the bottom of the circulating filter box (5).

Images