Biomass boiler flue gas recycling device

Abstract

The invention discloses a flue gas recycling device for a biomass boiler, and aims to solve the problems that when a traditional biomass boiler is used, flue gas is directly discharged, so that waste of biomass gas and pollution to the environment are caused. According to the technical scheme, the flue gas recycling device of the biomass boiler is characterized by comprising a boiler body and a supporting base used for supporting the boiler body, and a recycling device is arranged on the supporting base; the recovery device comprises a recovery box body, an air pump arranged on the recovery box body, a first filter plate and a second filter plate which are arranged in the recovery box body, and an air delivery pipe arranged between the furnace body and the recovery box body, the first filter plate is arranged at one end close to the air pump, and the second filter plate is arranged at one end close to the air delivery pipe. According to the flue gas recycling device for the biomass boiler, flue gas can be recycled and utilized to prevent waste and environmental pollution.

Description

Technical Field

[0001] The invention relates to the technical field of biomass gas recovery, and more specifically, to a biomass boiler flue gas recovery and utilization device. Background Art

[0002] Biomass boiler is a type of boiler. A boiler that uses biomass energy as fuel is called a biomass boiler. It is divided into biomass steam boiler, biomass hot water boiler, biomass hot air furnace, biomass thermal oil furnace, vertical biomass boiler, horizontal biomass boiler, etc. The classification of biomass boilers: horizontal biomass boiler, vertical biomass boiler.

[0003] After combustion, biomass boilers will produce a large amount of flue gas, which also carries heat. However, traditional biomass boilers directly discharge flue gas during use, which will cause waste of biomass gas and pollution to the environment. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a biomass boiler flue gas recovery and utilization device to achieve the recovery and utilization of flue gas to prevent waste and environmental pollution.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: a biomass boiler flue gas recovery and utilization device, comprising a furnace body and a supporting base for supporting the furnace body, a recovery device is arranged on the supporting base, and the recovery device comprises a recovery box, an air pump arranged on the recovery box, a first filter plate and a second filter plate arranged in the recovery box, and an air pipe between the furnace body and the recovery box, the first filter plate is arranged at one end close to the air pump, and the second filter plate is arranged at one end close to the air pipe.

[0006] By adopting the above technical scheme, the supporting base is used to support the furnace body and the recovery device. A large amount of flue gas will be emitted during the operation of the furnace body. In order to prevent the flue gas from polluting the environment and to prevent the waste of biomass smoke, the flue gas can be recycled by opening the recovery device, so that the staff can start the air pump to generate negative pressure in the recovery box, and the flue gas generated by the furnace body during the operation is sucked into the recovery box, and transmitted from the furnace body to the recovery box through the action of the air pipe, and then the flue gas is filtered through the second filter plate and the first filter plate in turn, and the outgoing flue gas is filtered to prevent a large amount of impurities from being discharged with the flue gas, and then the output flue gas can be collected in the recovery box, and a spray device can be set in the recovery box to mix with the flue gas, so that the substances rich in the flue gas will precipitate and accumulate at the bottom of the recovery box when mixed with water. Finally, the staff opens the recovery box to take out the finally precipitated substances for recycling.

[0007] The present invention is further configured as follows: a collection box for collecting is fixedly connected to the second filter plate, a first accommodating cavity for accommodating the second filter plate is provided on the recovery box, and a width of the collection box is greater than a width of the second filter plate.

[0008] By adopting the above technical solution, the second filter plate is located in the first accommodating chamber opened in the recovery box, and the second filter plate realizes the first filtering effect, and the impurities blocked outside will accumulate on the second filter plate, and will also fall into the collection box to achieve the collection effect, so that the impurities can be collected and a large amount of impurities can be prevented from accumulating and clogging the second filter plate, and the impurities will fall into the collection box under the action of their own gravity.

[0009] The present invention is further configured as follows: a scraper is slidably connected in the recovery box, and a cleaning brush is provided on the scraper.

[0010] By adopting the above technical solution, the scraper is set, and the cleaning brush is brushed on the surface of the second filter plate by the sliding of the scraper, the impurities remaining on the second filter plate can be scraped off and the impurities can be moved from top to bottom and accumulated in the collection box, so that the second filter plate can be cleaned in time.

[0011] The present invention is further configured as follows: a cylinder for driving the scraper to approach the collection box is arranged in the recovery box.

[0012] By adopting the above technical solution, the staff drives the scraper to move along the surface of the second filter plate by extending the driving cylinder and cleans the impurities remaining on the surface of the second filter plate, so that the impurities can fall into the collection box to prevent the second filter plate from being blocked, and the second filter plate and the collection box can also be easily slid out of the recovery box, and the accumulated impurities and the second filter plate can be cleaned in time to improve the filtering effect of the recovery box.

[0013] The present invention is further configured as follows: the first filter plate is slidably connected in the recovery box, and a second accommodating cavity for accommodating the first filter plate and a sliding groove for the first filter plate to slide are provided in the recovery box.

[0014] By adopting the above technical solution, the first filter plate slides in the recovery box and can slide out along the inner wall of the second accommodating cavity and then along the inner wall of the slide groove to realize the disassembly of the first filter plate, which is convenient for the sliding and placement of the first filter plate and facilitates the handling of the staff.

[0015] The present invention is further configured as follows: a sealing ring is provided on the first filter plate, and the sealing ring is in contact with the inner wall of the slide groove.

[0016] By adopting the above technical solution, the provision of the sealing ring can improve the sealing between the first filter plate and the recovery box.

[0017] The present invention is further configured as follows: a pull rod is protrudingly provided on the first filter plate, and the width of the pull rod is greater than the width of the first filter plate.

[0018] By adopting the above technical solution, the setting of the pulling rod can facilitate the first filter plate to slide out of the recovery box, and can prevent the first filter plate from being blocked after long-term use due to the first filter plate being unable to slide out easily.

[0019] In summary, the present invention has the following beneficial effects: under the action of the recovery device, the flue gas generated by the biomass boiler during use can be recovered and utilized, thereby preventing the waste of biomass gas and the pollution of the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the furnace body of the present invention, and is mainly used to show the structure and positional relationship of the furnace body, the supporting base and the recovery device.

[0021] In the figure: 1. Support base; 2. Furnace body; 3. Air pipe; 4. Air pump; 5. Recovery box; 6. First filter plate; 7. Second filter plate; 8. Collection box; 9. Cylinder; 10. Scraper; 11. Pull rod. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The present invention is described in detail below in conjunction with the accompanying drawings.

[0026] A biomass boiler flue gas recovery and utilization device, referring to Figure 1 , including a furnace body 2 and a supporting base 1 for supporting the furnace body 2, a recovery device is arranged on the supporting base 1, the recovery device includes a recovery box 5, an air pump 4 arranged on the recovery box 5, a first filter plate 6 and a second filter plate 7 arranged in the recovery box 5, and an air pipe 3 is arranged between the furnace body 2 and the recovery box 5, the first filter plate 6 is arranged at one end close to the air pump 4, and the second filter plate 7 is arranged at one end close to the air pipe 3.

[0027] A collecting box 8 for collecting is fixedly connected to the second filter plate 7 , and a first accommodating cavity for accommodating the second filter plate 7 is provided on the recovery box 5 . The width of the collecting box 8 is greater than that of the second filter plate 7 .

[0028] A scraper 10 is slidably connected in the recovery box 5 , and a cleaning brush is arranged on the scraper 10 . A cylinder 9 for driving the scraper 10 to approach the collection box 8 is arranged in the recovery box 5 .

[0029] The first filter plate 6 is slidably connected in the recovery box 5. A second accommodating chamber for accommodating the first filter plate 6 and a slide groove for sliding the first filter plate 6 are provided in the recovery box 5. A sealing ring is provided on the first filter plate 6. The sealing ring fits with the inner wall of the slide groove. The first filter plate 6 slides in the recovery box 5 and can slide out along the inner wall of the second accommodating chamber and then along the inner wall of the slide groove to realize the disassembly of the first filter plate 6, which is convenient for the sliding and placement of the first filter plate 6 and the handling of the staff.

[0030] A pulling rod 11 is protrudingly provided on the first filter plate 6 , and the width of the pulling rod 11 is greater than the width of the first filter plate 6 .

[0031] Working principle: the support base 1 is used to support the furnace body 2 and the recovery device. A large amount of flue gas will be emitted during the operation of the furnace body 2. In order to prevent the flue gas from polluting the environment and to prevent the waste of biomass smoke, the flue gas can be recycled by opening the recovery device, so that the staff can start the air pump 4 to generate negative pressure in the recovery box 5, and the flue gas generated by the furnace body 2 during the operation is sucked into the recovery box 5, and transmitted from the furnace body 2 to the recovery box 5 through the action of the air pipe 3, and then the flue gas is filtered through the second filter plate 7 and the first filter plate 6 in turn, and the outgoing flue gas is filtered to prevent a large amount of impurities from being discharged with the flue gas, and then the produced flue gas can be collected in the recovery box 5, and a spray device can be set in the recovery box 5 to mix with the flue gas, so that the substances rich in the flue gas will precipitate and accumulate at the bottom of the recovery box 5 when mixed with water. Finally, the staff opens the recovery box 5 to take out the finally precipitated substances for recycling.

[0032] The second filter plate 7 is located in the first accommodating cavity opened in the recovery box 5, and the function of the second filter plate 7 is to achieve the first filtering effect, and the impurities blocked outside will accumulate on the second filter plate 7, and will also fall into the collection box 8 to achieve the collection effect, so that the impurities can be collected to prevent a large amount of impurities from accumulating and clogging the second filter plate 7, and the impurities will fall into the collection box 8 under the action of their own gravity.

[0033] The scraper 10 is set, and the sliding of the scraper 10 makes the cleaning brush brush on the surface of the second filter plate 7, which can scrape off the impurities remaining on the second filter plate 7 and make the impurities move from top to bottom and accumulate in the collecting box 8, so as to clean the second filter plate 7 in time. The staff drives the scraper 10 to move along the surface of the second filter plate 7 by extending the driving cylinder 9 and cleans the impurities remaining on the surface of the second filter plate 7, so that the impurities can fall into the collecting box 8 to prevent the second filter plate 7 from being blocked. The second filter plate 7 and the collecting box 8 can also be easily slid out of the recovery box 5, and the accumulated impurities and the second filter plate 7 can be cleaned in time to improve the filtering effect of the recovery box 5.

[0034] The setting of the pulling rod 11 can facilitate the first filter plate 6 to slide out of the recovery box 5, and can prevent the first filter plate 6 from being blocked after long-term use due to the first filter plate 6 being unable to slide out easily.

[0035] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A biomass boiler flue gas recovery and utilization device, comprising a furnace body (2) and a support base (1) for supporting the furnace body (2), characterized in that: A recovery device is provided on the support base (1), the recovery device comprising a recovery box (5), an air pump (4) arranged on the recovery box (5), a first filter plate (6) and a second filter plate (7) arranged in the recovery box (5), and an air supply pipe (3) provided between the furnace body (2) and the recovery box (5), wherein the first filter plate (6) is arranged at one end close to the air pump (4), and the second filter plate (7) is arranged at one end close to the air supply pipe (3).

2. A biomass boiler flue gas recovery and utilization device according to claim 1, characterized in that: A collection box (8) for collecting is fixedly connected to the second filter plate (7), and a first accommodating cavity for accommodating the second filter plate (7) is provided on the recovery box (5), and the width of the collection box (8) is greater than the width of the second filter plate (7).

3. A biomass boiler flue gas recovery and utilization device according to claim 2, characterized in that: A scraper (10) is slidably connected inside the recovery box (5), and a cleaning brush is provided on the scraper (10).

4. A biomass boiler flue gas recovery and utilization device according to claim 3, characterized in that: A cylinder (9) for driving a scraper (10) to approach a collection box (8) is arranged in the recovery box (5).

5. The biomass boiler flue gas recovery and utilization device according to claim 1, characterized in that: The first filter plate (6) is slidably connected in the recovery box (5), and the recovery box (5) is provided with a second accommodating cavity for accommodating the first filter plate (6) and a sliding groove for the first filter plate (6) to slide.

6. A biomass boiler flue gas recovery and utilization device according to claim 5, characterized in that: The first filter plate (6) is provided with a sealing ring, and the sealing ring is in contact with the inner wall of the slide groove.

7. The biomass boiler flue gas recovery and utilization device according to claim 5, characterized in that: A pulling rod (11) is protrudingly provided on the first filter plate (6), and the width of the pulling rod (11) is greater than the width of the first filter plate (6).

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