Biomass boiler tail ash discharging device

The design of springs and sealing gaskets between the inner and outer frames maintains the seal, and the use of chutes and scrapers to automatically clean dust solves the problems of reduced sealing and inconvenient cleaning, achieving efficient sealing and convenient operation of the ash discharge device at the tail end of the biomass boiler.

CN223726378UActive Publication Date: 2025-12-26WUXI XICHENG BOILER CO LTD
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Patent Information

Application Number
CN202520168107.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2025-12-26
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

The sealing performance of the window of the tail ash discharge device of traditional biomass boilers is reduced due to the wear and aging of the sealing ring, and the staff need to carry cleaning tools to clean the dust, which affects the convenience of operation.

Method used

It adopts an inner and outer frame structure, uses springs and sealing gaskets to maintain the seal, and automatically cleans dust from the glass surface through a sliding groove and scraper design, avoiding the reduction of the seal and the need to carry cleaning tools.

Benefits of technology

It maintains excellent sealing properties during long-term use, automatically cleans dust, and improves the ease of operation for staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a biomass boiler tail ash discharging device which comprises a middle box body, an upper box body and an ash hopper, a window is formed in the ash hopper, an inner frame is arranged in the window, an outer frame is installed outside the inner frame and connected with the ash hopper through a rotating shaft, a groove is formed in the side face of the outer frame, and the upper box body and the lower box body are connected through a rotating shaft. The inner wall of the groove is fixedly connected with a spring, the other end of the spring is fixedly connected with a sealing pad, the sealing pad is located in the groove, and a rubber pad is arranged outside the sealing pad. According to the biomass boiler tail ash discharging device, when the outer frame is closed, a rubber pad on a sealing pad can be tightly attached to the surface of an ash bucket firstly, a spring is always in a compressed state in a groove, continuous thrust can be formed on the sealing pad, and the sealing pad and the rubber pad are tightly attached to the surface of the ash bucket all the time; after the sealing ring is worn due to repeated opening and closing for a long time, good sealing performance can still be kept, and the sealing performance cannot be reduced due to the wear of the sealing ring.
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Description

TECHNICAL FIELD

[0001] The utility model relates to biomass boiler ash removal device technical field, specifically is a biomass boiler tail ash removal device. BACKGROUND

[0002] Biomass boiler adopts the most suitable combustion equipment of biomass fuel combustion - reciprocating grate, and the boiler is relatively large in structure design, and the secondary air is arranged very reasonably, so that a large amount of volatile matter generated instantaneously during biomass fuel combustion can be fully combusted.

[0003] The biomass boiler tail ash removal device on the market has the following problems when in use:

[0004] 1. When the traditional biomass boiler tail ash removal device is applied, the ash removal device hopper structure is provided with a window for observing whether the internal dust needs to be discharged, and the hopper is the smoke inlet, so the window needs good sealing performance, and the sealing strip at the window inner frame is inevitably worn, aged and loose after long-term use, so that the sealing performance of the window is reduced.

[0005] 2. When most biomass boiler tail ash removal devices are applied, the ash removal device hopper at the bottom is provided with a window, so that workers can observe the dust deposition condition through the window to determine whether it needs to be discharged, and when it is discharged, the window glass surface is easy to be contaminated with dust, affecting the subsequent observation of workers, so workers need to carry cleaning tools to clean in order to observe through the window next time, and carrying cleaning tools makes workers very inconvenient when working. SUMMARY

[0006] This part aims to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0007] 1. The technical problem to be solved:

[0008] In order to solve the above-mentioned problems that the sealing ring is inevitably worn, aged and loose after the window is opened and closed for many times, resulting in reduced sealing performance of the window, and workers need to carry cleaning tools, which makes workers very inconvenient when working, the utility model is proposed.

[0009] Therefore, the biomass boiler tail ash discharging device can keep good sealing performance after long-term use, and the sealing performance will not be reduced due to the wear of the sealing ring.

[0010] 2. Technical solutions:

[0011] To solve the above technical problems, according to one aspect of the present application, the present application provides the following technical solutions:

[0012] A biomass boiler tail ash discharging device, which comprises a middle box body, an upper box body and an ash chute, a window is formed in the ash chute, an inner frame is arranged in the window, an outer frame is mounted on the outer side of the inner frame, a sealing ring is mounted on the outer side of the inner frame, the outer frame is connected to the ash chute through a rotating shaft, a groove is formed in the side surface of the outer frame, a spring is fixedly connected to the inner wall of the groove, a sealing gasket is fixedly connected to the other end of the spring, and a rubber pad is arranged on the outer side of the sealing gasket.

[0013] As a preferred scheme of the biomass boiler tail ash discharging device, a sliding groove is formed in the inner frame, a sliding rod is movably connected to the inner side of the sliding groove, a scraping strip is mounted on the bottom of the sliding rod, a pressing block is mounted on the top of the sliding rod, and a glass is mounted in the inner frame.

[0014] As a preferred scheme of the biomass boiler tail ash discharging device, a cover plate is arranged on the top of the upper box body, and a smoke outlet is mounted on the outer side of the upper box body.

[0015] As a preferred scheme of the biomass boiler tail ash discharging device, a connecting block is mounted on the top of the cover plate, and a handle is fixedly connected to the top of the connecting block.

[0016] As a preferred scheme of the biomass boiler tail ash discharging device, a supporting leg is mounted on the outer side of the ash chute, a smoke inlet is fixedly connected to the surface of the ash chute, and a valve is mounted on the bottom of the ash chute.

[0017] As a preferred scheme of the biomass boiler tail ash discharging device, a fixing block is mounted on the outer side of the outer frame, a threaded rod is arranged in the inner side of the fixing block, a threaded hole is formed in the inner side of the ash chute, the threaded rod is threadedly connected to the inner side of the threaded hole, and a knob is mounted on the top of the threaded rod.

[0018] 3. Beneficial effects:

[0019] Compared with the prior art, the biomass boiler tail ash discharging device has the beneficial effects that

[0020] The glue pad on the sealing gasket is tightly attached to the surface of the ash bucket when the outer frame is closed, and the spring is always in a compressed state inside the groove, which forms a continuous pushing force on the sealing gasket, so that the sealing gasket is always tightly attached to the surface of the ash bucket, and even after the sealing ring is worn out due to long-term use and frequent opening and closing, the sealing property can still be good, and the sealing property will not be reduced due to wear of the sealing ring.

[0021] The biomass boiler tail ash discharging device can turn over the outer frame by rotating the knob to make the threaded rod screw out of the threaded hole, then hold the pinch block and move it up and down, so that the sliding rod slides in the sliding groove, and the scraping strip also scrapes the surface of the glass, which can scrape the dust on the surface of the glass, so that the subsequent workers can observe the inside of the ash bucket through the window glass, and the workers do not need to carry cleaning tools, so that the workers are very convenient when working. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. Among them:

[0023] Figure 1 It is a whole structure schematic diagram of the biomass boiler tail ash discharging device of the present application;

[0024] Figure 2 It is an outlet structure schematic diagram of the biomass boiler tail ash discharging device of the present application;

[0025] Figure 3 It is a sliding groove structure schematic diagram of the biomass boiler tail ash discharging device of the present application; Figure 2 It is an enlarged view of part A;

[0026] Figure 4 It is a sliding groove structure schematic diagram of the biomass boiler tail ash discharging device of the present application;

[0027] Figure 5 It is a sealing gasket structure schematic diagram of the biomass boiler tail ash discharging device of the present application;

[0028] Figure 6 It is a scraping strip structure schematic diagram of the biomass boiler tail ash discharging device of the present application;

[0029] Figure 7The utility model discloses a biomass boiler tail ash discharging device's smoke inlet structure schematic diagram.

[0030] Mark explanation in drawing: 1, middle box body; 2, upper box body; 3, support leg; 4, hopper; 5, valve; 6, cover plate; 7, connecting block; 8, handle; 9, smoke outlet; 10, screw hole; 11, window; 12, outer frame; 13, knob; 14, fixed block; 15, recess; 16, sealing ring; 17, inner frame; 18, sliding slot; 19, threaded rod; 20, sealing pad; 21, spring; 22, rubber pad; 23, sliding rod; 24, scraping strip; 25, pinch block; 26, smoke inlet. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0032] The utility model is described in detail in combination with schematic diagrams, and in the detailed description of the embodiments of the utility model, for the convenience of description, the sectional view showing the structure of the device will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0033] The orientation or positional relationship indicated in the term is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply 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 utility model.

[0034] The connection mode in the term should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances.

[0035] The embodiments of the utility model will be further described in detail below with reference to the drawings.

[0036] The utility model provides a kind of overall structure schematic diagram of the embodiment of biomass boiler tail ash discharging device, including:

[0037] Please refer to Figures 1-7The biomass boiler tail ash discharging device of the embodiment comprises a middle box body 1, an upper box body 2 and an ash chute 4, the ash chute 4 is internally provided with a window 11, the window 11 is internally provided with an inner frame 17, the outer side of the inner frame 17 is provided with an outer frame 12, the outer side of the inner frame 17 is provided with a sealing ring 16, the outer frame 12 is connected with the ash chute 4 through a rotating shaft, the outer side of the outer frame 12 is provided with a groove 15, the inner wall of the groove 15 is fixedly connected with a spring 21, the other end of the spring 21 is fixedly connected with a sealing gasket 20, the sealing gasket 20 is located inside the groove 15, the outer side of the sealing gasket 20 is provided with a rubber pad 22, when the outer frame 12 is closed, the rubber pad 22 on the sealing gasket 20 will first tightly adhere to the surface of the ash chute 4, and the spring 21 will always be in a compressed state inside the groove 15, a continuous thrust will be formed on the sealing gasket 20, so that the sealing gasket 20 and the rubber pad 22 always tightly adhere to the surface of the ash chute 4, even after the sealing ring 16 is worn out due to long-term use and frequent opening and closing, the sealing performance can still be maintained.

[0038] It is worth noting that in order to enable the staff not to carry cleaning tools, specifically, the inner frame 17 is internally provided with a sliding groove 18, the sliding groove 18 is movably connected with a sliding rod 23, the bottom of the sliding rod 23 is provided with a scraping strip 24, the top of the sliding rod 23 is provided with a pinch block 25, the inner frame 17 is internally provided with a glass 26, the scraping strip 24 adheres to the surface of the glass 26, the knob 13 can be twisted to make the threaded rod 19 screwed out of the threaded hole 10, the outer frame 12 can be turned over, then the pinch block 25 is pinched and pushed up and down with force, the sliding rod 23 slides in the sliding groove 18, and the scraping strip 24 also scrapes the surface of the glass 26, the dust on the surface of the glass 26 can be scraped off, so that the staff can observe the inside of the ash chute 4 through the window 11 glass 26 in the subsequent process, and the staff does not need to carry cleaning tools, which is very convenient for work.

[0039] Then, in order to achieve the effect of smoke exhaust, specifically, the upper box body 2 is provided with a cover plate 6 at the top, and the upper box body 2 is externally provided with a smoke outlet 9, through the structure of the cover plate 6 and the smoke outlet 9, the effect of smoke exhaust is effectively achieved.

[0040] At the same time, in order to facilitate holding when opening the cover plate 6, specifically, the cover plate 6 is provided with a connecting block 7 at the top, and the connecting block 7 is fixedly connected with a handle 8 at the top, through the structure of the connecting block 7 and the handle 8, the staff can hold when opening the cover plate 6.

[0041] Further, in order to effectively support the ash chute 4, specifically, the ash chute 4 is externally provided with a supporting leg 3, the surface of the ash chute 4 is fixedly connected with a smoke inlet 27, and the bottom of the ash chute 4 is provided with a valve 5, through the structure of the supporting leg 3, the effect of supporting the ash chute 4 is effectively achieved, the structure of the smoke inlet 27 better plays a role in conveying smoke in the ash chute 4, and the dust in the ash chute 4 can be discharged through the structure of the valve 5.

[0042] It is worth noting that in order to fix the outer frame 12 structure, specifically, the outer frame 12 is externally mounted with a fixed block 14, the fixed block 14 is internally penetrated with a threaded rod 19, the hopper 4 is internally provided with a threaded hole 10, the threaded hole 10 is internally threadedly connected with the threaded rod 19, and the threaded rod 19 is mounted with a knob 13 at the top. Through the fixed block 14, the threaded hole 10, the threaded rod 19 and the knob 13 structure, it is convenient for the staff to close and fix the outer frame 12 structure.

[0043] In combination Figures 1-7 , the biomass boiler tail ash discharging device of the embodiment is used as follows:

[0044] 1: According to the actual use, first, a window 11 is provided in the hopper 4, and an inner frame 17 is provided in the window 11. An outer frame 12 is mounted outside the inner frame 17, and a sealing ring 16 is mounted outside the inner frame 17. The outer frame 12 is connected to the hopper 4 through a rotating shaft. Then, a groove 15 is provided on the side of the outer frame 12, and a spring 21 is fixedly connected to the inner wall of the groove 15. The other end of the spring 21 is fixedly connected to a sealing gasket 20, which is located in the groove 15. A rubber pad 22 is provided outside the sealing gasket 20.

[0045] 2: When the window 11 is opened and closed, the groove 15 of the outer frame 12 is internally provided with a spring 21 and a sealing gasket 20. When closed, the rubber pad 22 on the sealing gasket 20 will first tightly adhere to the surface of the hopper 4. As the threaded rod 19 is tightened, the outer frame 12 will be gradually squeezed, and the sealing gasket 20 will also be squeezed and the spring 21 will be compressed, so that the spring 21 is always in a compressed state in the groove 15, which will form a continuous pushing force on the sealing gasket 20, so that the sealing gasket 20 and the rubber pad 22 always maintain a tight adhesion to the surface of the hopper 4. Even after long-term use and repeated opening and closing, the sealing ring 16 can still maintain good sealing performance, and the sealing performance will not be reduced due to the wear of the sealing ring 16.

[0046] 3: Finally, a sliding groove 18 can be provided in the inner frame 17, and a sliding rod 23 is movably connected in the sliding groove 18. A scraping strip 24 is mounted at the bottom of the sliding rod 23. A pinch block 25 is mounted at the top of the sliding rod 23. A glass 26 is mounted in the inner frame 17, and the scraping strip 24 adheres to the surface of the glass 26. After the staff discharges the dust accumulated in the hopper 4, the threaded rod 19 can be unscrewed from the threaded hole 10 by turning the knob 13, so that the outer frame 12 can be flipped over. Then, the pinch block 25 is pinched and pulled up and down with force, so that the sliding rod 23 slides in the sliding groove 18, and the scraping strip 24 also scrapes the surface of the glass 26, so that the dust on the surface of the glass 26 can be scraped off. Subsequently, the staff can observe the inside of the hopper 4 through the window 11 glass 26. In this way, the staff does not need to carry cleaning tools, which makes the work very convenient.

[0047] Although the utility model has been described above with reference to the embodiments, various modifications can be made thereto, and equivalent replacements can be made to the components thereof, without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any manner, and the combinations are not exhaustively described in the specification merely for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A biomass boiler fly ash discharge apparatus, characterized by, The utility model provides a kind of ash bucket, including middle box (1), upper box (2) and hopper (4), the window (11) is set in the inside of the hopper (4), the inner frame (17) is equipped in the inside of the window (11), the outer frame (12) is installed outside the inner frame (17), the sealing ring (16) is installed outside the inner frame (17), the outer frame (12) is connected hopper (4) by pivot, the recess (15) is set in the side of the outer frame (12), the spring (21) is fixedly connected in the inner wall of the recess (15), the sealing gasket (20) is fixedly connected in the other end of the spring (21), the sealing gasket (20) is located in the recess (15) inside, the rubber pad (22) is equipped outside the sealing gasket (20).

2. The biomass boiler ash discharge apparatus according to claim 1, characterized by The inner frame (17) is set in the inside of the sliding slot (18), the sliding rod (23) is movably connected in the sliding slot (18), the scraping strip (24) is installed at the bottom of the sliding rod (23), the pinch block (25) is installed at the top of the sliding rod (23), the glass (26) is installed in the inner frame (17), the scraping strip (24) is attached to the surface of the glass (26).

3. The biomass boiler ash discharge apparatus according to claim 1, characterized by The upper box (2) is equipped with cover plate (6) on top, the upper box (2) is installed with smoke outlet (9) outside.

4. The biomass boiler ash discharge apparatus according to claim 3, characterized by The cover plate (6) is installed with connecting block (7) on top, the connecting block (7) is fixedly connected with handle (8) on top.

5. The biomass boiler ash discharge apparatus according to claim 1, characterized by The hopper (4) is installed with support leg (3) outside, the hopper (4) is fixedly connected with smoke inlet (27) on surface, the hopper (4) is installed with valve (5) at bottom.

6. The biomass boiler ash discharge apparatus according to claim 1, characterized by The outer frame (12) is installed with fixed block (14) outside, the fixed block (14) is penetrated by threaded rod (19) inside, the hopper (4) is set with threaded hole (10) inside, the threaded hole (10) is screw-connected threaded rod (19) inside, the knob (13) is installed on the top of the threaded rod (19).