High-temperature furnace flue cleaning device

Abstract

The utility model belongs to the field of cleaning devices, and particularly relates to a high-temperature furnace flue cleaning device which comprises a flue, a flue gas outlet is formed in the top of the flue, an ash receiving opening is formed in the bottom of the flue, a flue gas inlet is formed in the back of the flue, a first heat preservation layer is arranged in the flue, and a second heat preservation layer is arranged in the flue. A second heat preservation layer is arranged in the flue, and the first heat preservation layer makes contact with the second heat preservation layer. According to the utility model, the ash deposition condition in the flue is observed through the observation sight glass, and if cleaning is needed, inert gases such as nitrogen and the like enter the gas seal pipe and enter a cavity among the thermal insulation layer I, the thermal insulation layer II and the flange cover through the air outlet to form an oxygen-free cavity; after the flue is full, the sealing cover is opened, a rod-shaped cleaning tool extends into the flue from the cleaning opening reserved in the flange cover and cleans the interior of the flue, impurities such as the cleaned accumulated dust fall into the dust receiving opening of the flue, the accumulated dust cleaning work can be completed, and shutdown cleaning is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cleaning device technical field, specifically is a high temperature furnace flue cleaning device. BACKGROUND

[0002] In the production process of carbon fiber, the flue of high temperature furnace will produce broken wire, dust and other impurities; Long time does not clean up will block the smoke outlet, affect the operation of high temperature furnace. Because the temperature is high in the operation of high temperature furnace and needs to be isolated from oxygen, in order to prevent oxygen from entering when cleaning online, so the cleaning of high temperature furnace exhaust pipe can only be carried out after the high temperature furnace is stopped and cooled down, which greatly shortens the operation cycle, and the heating and cooling process increases the production cost. Therefore, the prior art needs to be improved. CONTENT OF UTILITY MODEL

[0003] The utility model discloses a kind of high temperature furnace flue cleaning devices, solve the problem of not being convenient for cleaning inside dust in the process of operation.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of high temperature furnace flue cleaning device, including flue, the top of the flue is provided with flue gas outlet, the bottom of the flue is provided with dust inlet, the back of the flue is provided with flue gas inlet, the inside of the flue is provided with heat preservation layer one, the inside of the flue is provided with heat preservation layer two, heat preservation layer one is in contact with heat preservation layer two, the inside of the flue is fixedly connected with gas seal pipe, the inside of the gas seal pipe is provided with air outlet, the front end of the flange cover is fixedly installed in the front end of the flue, the front end of the flange cover is provided with cleaning port, the outside of the cleaning port is connected with sealing cover by screw thread, the bottom of the flue is fixedly installed with cover plate by bolt, and the cover plate is provided with cleaning mechanism.

[0005] Preferably, the number of air outlets is multiple, and the multiple air outlets are evenly distributed inside the gas seal pipe. By designing the air outlet, the input of inert gas such as nitrogen is used.

[0006] Preferably, the front end of the flange cover is provided with observation port, and the inside of the observation port is provided with sight glass. By designing the sight glass, the inside of the flue can be observed.

[0007] Preferably, the cleaning mechanism includes a rotating shaft, the inside of the cover plate is rotatably sleeved with a rotating shaft through a bearing, the bottom of the rotating shaft is fixedly connected with a handle, the outside of the rotating shaft is fixedly connected with multiple evenly distributed connecting sleeves, the inside of each connecting sleeve is slidably sleeved with a connecting rod, the outside of the connecting rod is fixedly connected with a scraping blade, the scraping blade is in contact with the heat preservation layer two, and the inside of the connecting sleeve is provided with a spring. By designing the cleaning mechanism, the inside of the dust inlet can be cleaned.

[0008] Preferably, the outer rotating sleeve of the rotating shaft is sleeved with a sealing ring, and the sealing ring is fixedly connected with the cover plate.

[0009] Preferably, the inside of the connecting sleeve is connected with a limiting screw through threads, and the limiting screw is slidingly connected with the connecting rod.

[0010] Preferably, one end of the spring is fixedly connected with the connecting sleeve, and the other end of the spring is fixedly connected with the connecting rod.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1、 the utility model discloses a through observation sight mirror observes the inside ash deposition of flue, if need cleaning, nitrogen etc.

[0013] 2、 the utility model discloses the effect of the rotating shaft, when rotating the handle and driving the rotating shaft to rotate, the rotation of the scraper can be realized, the inner wall of the ash deposition port can be scraped by the rotation of the scraper, and the attached ash deposition can be scraped, so that the cleaning effect during ash removal is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure perspective drawing of the utility model;

[0015] Figure 2 It is the structure right view cut -open view of the utility model; Figure 1

[0016] Figure 3 It is the A place close -up of the utility model; Figure 2

[0017] Figure 4 It is the gas seal pipe perspective drawing of the utility model. Figure 2

[0018] ​​​In the figure: 1, flue; 2, flue gas outlet; 3, dust receiving port; 4, flue gas inlet; 5, heat preservation layer one; 6, heat preservation layer two; 7, gas sealing pipe; 8, air outlet; 9, cleaning mechanism; 10, observation port; 11, sight glass; 12, cleaning port; 13, sealing cover; 14, cover plate; 15, flange cover; 91, rotating shaft; 92, sealing ring; 93, handle; 94, connecting sleeve; 95, connecting rod; 96, scraper; 97, spring; 98, limiting screw. DETAILED DESCRIPTION

[0019] 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.

[0020] Please refer to Figure 1 , Figure 2 , Figure 4 , a high-temperature furnace flue cleaning device, comprising a flue 1, the top of the flue 1 is provided with a flue gas outlet 2, the bottom of the flue 1 is provided with a dust receiving port 3, the back of the flue 1 is provided with a flue gas inlet 4, the inside of the flue 1 is provided with a heat preservation layer one 5, the inside of the flue 1 is provided with a heat preservation layer two 6, the heat preservation layer one 5 is in contact with the heat preservation layer two 6, the inside of the flue 1 is fixedly connected with a gas sealing pipe 7, the inside of the gas sealing pipe 7 is provided with an air outlet 8, the number of the air outlet 8 is multiple, the multiple air outlets 8 are evenly distributed in the inside of the gas sealing pipe 7, through the design of the air outlet 8, the input of inert gases such as nitrogen is used.

[0021] Please refer to Figure 1 , Figure 2 , Figure 4 , the front end of the flue 1 is fixedly installed with a flange cover 15, the front end of the flange cover 15 is provided with an observation port 10, the inside of the observation port 10 is provided with a sight glass 11, through the design of the sight glass 11, the inside of the flue 1 can be observed, the front end of the flange cover 15 is provided with a cleaning port 12, the outside of the cleaning port 12 is threadedly connected with a sealing cover 13, the bottom of the flue 1 is fixedly installed with a cover plate 14 through bolts, the cover plate 14 is provided with a cleaning mechanism 9.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3The cleaning mechanism 9 comprises a rotating shaft 91, the inside of the cover plate 14 is sleeved with the rotating shaft 91 through a bearing, the outer side of the rotating shaft 91 is sleeved with a sealing ring 92, the sealing ring 92 is fixedly connected with the cover plate 14, the rotating shaft 91 and the cover plate 14 are sealed through the design of the sealing ring 92, the bottom of the rotating shaft 91 is fixedly connected with a handle 93, the outer side of the rotating shaft 91 is fixedly connected with a plurality of connecting sleeves 94 which are uniformly distributed, the inside of each connecting sleeve 94 is sleeved with a connecting rod 95, the outer side of the connecting rod 95 is fixedly connected with a scraping piece 96 which is in contact with the second heat preservation layer 6, the inside of the connecting sleeve 94 is provided with a spring 97, one end of the spring 97 is fixedly connected with the connecting sleeve 94, the other end of the spring 97 is fixedly connected with the connecting rod 95, the spring 97 can act on the connecting rod 95 through the design of the spring 97, the inside of the connecting sleeve 94 is connected with a limiting screw 98 through screw connection, the limiting screw 98 is slidably connected with the connecting rod 95, the connecting sleeve 94 and the connecting rod 95 are fixedly connected through the design of the limiting screw 98, and the limiting screw 98 can slide relative to the connecting rod 95, and the inside of the flue 1 can be cleaned through the design of the cleaning mechanism 9.

[0023] The specific implementation process of the utility model is as follows: in use, during the operation of the high-temperature furnace, the soot accumulation in the flue 1 is observed through the observation sight glass 11, if cleaning is needed, the valve of the nitrogen inlet is opened, nitrogen or other inert gas is allowed to enter the gas seal pipe 7, pass through the air outlet 8 on the gas seal pipe 7, enter the cavity between the first heat preservation layer 5, the second heat preservation layer 6 and the flange cover 15 and fill the cavity to form an oxygen-free cavity; after being filled, the sealing cover 13 is opened, the rod-shaped cleaning tool is inserted into the cleaning port 12 reserved in the flange cover 15, and the inside of the flue 1 is cleaned, and the accumulated soot and impurities are dropped into the soot collecting port 3 of the flue 1 after cleaning; after cleaning is completed, the cleaning tool is pulled out, the sealing cover 13 is reinstalled, and the valve of the nitrogen inlet is closed; after production is stopped, the cover plate 14 is opened, and the accumulated soot and impurities are cleaned out of the flue 1, so that the inside of the flue 1 is cleaned without stopping production, which is more convenient and fast.

[0024] Before the inside of the soot collecting port 3 is cleaned, the handle 93 is rotated, the handle 93 drives the rotating shaft 91 to rotate, the rotating shaft 91 drives the connecting sleeve 94 to rotate, the connecting sleeve 94 drives the connecting rod 95 to rotate, the connecting rod 95 drives the scraping piece 96 to rotate, the scraping piece 96 rotates to scrape the inner wall of the soot collecting port 3, so that the cleaning effect during soot removal is improved, and the spring 97 in the connecting sleeve 94 is in a compressed state when the scraping piece 96 is installed, so that an outward counterforce is applied to the connecting rod 95, so that the scraping piece 96 is tightly attached to the inner wall of the soot collecting port 3 to improve the cleaning effect.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high temperature furnace flue cleaning device comprising a flue (1) characterised in that: The top of the flue (1) is provided with a flue gas outlet (2), the bottom of the flue (1) is provided with an ash inlet (3), the back of the flue (1) is provided with a flue gas inlet (4), the inside of the flue (1) is provided with a heat preservation layer one (5), the inside of the flue (1) is provided with a heat preservation layer two (6), the heat preservation layer one (5) is in contact with the heat preservation layer two (6), the inside of the flue (1) is fixedly connected with an air seal pipe (7), the inside of the air seal pipe (7) is provided with an air outlet (8), the front end of the flue (1) is fixedly installed with a flange cover (15), the front end of the flange cover (15) is provided with a cleaning port (12), the outside of the cleaning port (12) is threadedly connected with a sealing cover (13), the bottom of the flue (1) is fixedly installed with a cover plate (14) through bolts, and the cover plate (14) is provided with a cleaning mechanism (9).

2. A high temperature furnace flue cleaning device according to claim 1, characterised in that: The number of the air outlet (8) is multiple, and multiple air outlets (8) are uniformly distributed in the inside of the air seal pipe (7).

3. A high temperature furnace flue cleaning device according to claim 1, wherein: The front end of the flange cover (15) is provided with an observation port (10), and the inside of the observation port (10) is provided with a sight glass (11).

4. A high temperature furnace flue cleaning device according to claim 1, wherein: The cleaning mechanism (9) comprises a rotating shaft (91), the inside of the cover plate (14) is rotatably sleeved with a rotating shaft (91) through a bearing, the bottom of the rotating shaft (91) is fixedly connected with a handle (93), the outside of the rotating shaft (91) is fixedly connected with multiple uniformly distributed connecting sleeves (94), the inside of each connecting sleeve (94) is slidably sleeved with a connecting rod (95), the outside of the connecting rod (95) is fixedly connected with a scraping piece (96), the scraping piece (96) is in contact with the heat preservation layer two (6), and the inside of the connecting sleeve (94) is provided with a spring (97).

5. A high temperature furnace flue cleaning device according to claim 4, characterised in that: The outside of the rotating shaft (91) is rotatably sleeved with a sealing ring (92), and the sealing ring (92) is fixedly connected with the cover plate (14).

6. A high temperature furnace flue cleaning device according to claim 4, characterised in that: The inside of the connecting sleeve (94) is threadedly connected with a limiting screw (98), and the limiting screw (98) is slidably connected with the connecting rod (95).

7. A high temperature furnace flue cleaning device according to claim 4, wherein: One end of the spring (97) is fixedly connected with the connecting sleeve (94), and the other end of the spring (97) is fixedly connected with the connecting rod (95).

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