Waste heat boiler inlet flue dust removal device

Abstract

The utility model discloses a dust removal device for an inlet flue of a waste heat boiler, which comprises the inlet flue and is characterized in that a plurality of uniformly distributed baffle plates are arranged in the inlet flue, a flow guide box is arranged at the bottom end of the inlet flue, a water tank is arranged at the bottom end of the flow guide box, a tank cover is arranged at the bottom end of the water tank, and a fixed frame I is arranged at the top end of the inlet flue; a transversely-arranged mounting pipe is arranged in the first fixing frame, and a plurality of nozzles which are evenly distributed and extend into the inlet flue are arranged at the bottom end of the mounting pipe. The device has the beneficial effects that after wastewater generated by flushing the surface of the baffle plate flows back to the water tank, the inner wall of the filter barrel in the water tank can be automatically cleaned by arranging the cleaning assembly, the situation that the wastewater backflow efficiency is affected due to blockage of filter holes of the filter barrel is prevented, and then the wastewater is filtered and reused is avoided, and the cleaning assembly is matched with a U-shaped scraping plate through spiral fan blades; the spiral fan blades are driven to rotate by impact of waste water and drive the U-shaped scraping plates to rotate to scrape and clean the inner wall of the filter barrel, so that the device is simple to use, does not need to be driven by a motor and is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of waste heat boiler, concretely relates to a waste heat boiler import flue dust collector. BACKGROUND

[0002] The waste heat boiler is the main equipment of industrial silicon electric furnace flue gas waste heat utilization, and the tiny SiO2 particles account for 80%-90% of the smoke dust composition and granularity, the tiny particles are called microsilica powder, the particle size of the microsilica powder is mostly less than 1 micrometer, and the dust specific surface area is about 20 m2 / g, the microsilica powder has extremely strong adhesion, is easily absorbed on the outer surface of the boiler pipe wall due to static electricity during operation, and is difficult to clean completely, and if not cleaned in time, the heat exchange efficiency of the waste heat boiler is greatly reduced, and normal operation is difficult.

[0003] According to the waste heat boiler import flue dust collector disclosed by Chinese patent CN202321379935.6, the dust cleaning mechanism is arranged, the baffle prolongs the flow time of the flue gas in the import flue, so that the dust is better settled, the water pump can pump the water in the fixed cylinder into the inside of the flow distribution plate through the connecting pipe and the guide pipe, and uniformly spray on the baffle through the scattering spray head, so that the dusting effect is further enhanced, and the baffle is cleaned, and the dust attached to the baffle is prevented from affecting the dusting effect. The existing waste heat boiler import flue dust collector filters and collects waste water through the filter screen, and due to the fact that the waste water contains a large amount of dust particles, the filter holes are easily blocked by the particles during the filter screen filtering process, so that the waste water is difficult to flow, and the dust collector is affected in collection and reuse.

[0004] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENTS

[0005] In view of the problems in the related art, the utility model provides a waste heat boiler import flue dust collector to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the specific technical scheme as follows:

[0007] The utility model provides a waste heat boiler import flue dust removal device, including import flue, its characterized in be equipped with a plurality of baffle that uniformly distributes in the import flue, the bottom of import flue is equipped with the flow guide box, the bottom of flow guide box is equipped with water tank, the bottom of water tank is equipped with tank cover, the top of import flue is equipped with fixed frame no.

[0008] As preferred, the water tank is provided with a water inlet pipe on one side, and a pipe cover is provided on the top end of the water inlet pipe.

[0009] As preferred, the tank cover is threadedly connected with the water tank, and the tank cover is connected with the filter barrel through a connecting column.

[0010] As preferred, the cleaning assembly comprises a second fixed frame provided in the water tank, a rotating shaft provided at the bottom end of the second fixed frame, a spiral fan blade provided at the bottom end of the rotating shaft, a connecting rod provided at the bottom end of the spiral fan blade, and a U-shaped scraper provided in the filter barrel and connected with the connecting rod at the bottom end of the connecting rod, and the U-shaped scraper is connected with the connecting rod through a limiting assembly.

[0011] As preferred, the limiting assembly comprises an installation block provided at the bottom end of the connecting rod, a slot provided at the bottom end of the installation block, an insertion block provided in the U-shaped scraper and extending into the slot, symmetrical sliding grooves provided in the inner wall of the slot, a sliding block provided in the sliding grooves and matched with the insertion block, a spring connecting the sliding block with the installation block, a rolling ball provided on the side of the sliding block away from the spring and extending into the slot, and limiting grooves provided on both sides of the insertion block and matched with the rolling ball.

[0012] As preferred, the slot is a rectangular slot, and the insertion block is a rectangular block.

[0013] The utility model discloses a waste heat boiler import flue dust removal device, including import flue, its characterized in be equipped with a plurality of baffle that uniformly distributes in the import flue, the bottom of import flue is equipped with the flow guide box, the bottom of flow guide box is equipped with water tank, the bottom of water tank is equipped with tank cover, the top of import flue is equipped with fixed frame no. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 is a whole structure schematic diagram of a waste heat boiler inlet flue dust removal device according to an embodiment of the present application;

[0016] Figure 2 is a structure schematic diagram of another angle of a waste heat boiler inlet flue dust removal device according to an embodiment of the present application;

[0017] Figure 3 is a front view of a waste heat boiler inlet flue dust removal device according to an embodiment of the present application;

[0018] Figure 4 is a sectional view of a waste heat boiler inlet flue dust removal device according to an embodiment of the present application;

[0019] Figure 5 is Figure 4 is a local enlarged schematic diagram of position A in the figure;

[0020] Figure 6 is a sectional view of a mounting block in a waste heat boiler inlet flue dust removal device according to an embodiment of the present application.

[0021] In the figure:

[0022] 1, inlet flue; 2, baffle plate; 3, flow guide box; 4, water tank; 5, tank cover; 6, fixed frame one; 7, mounting pipe; 8, nozzle; 9, conveying pipe; 10, conveying pump; 11, connecting frame; 12, filter barrel; 13, water filling pipe; 14, connecting column; 15, fixed frame two; 16, rotating shaft; 17, spiral fan blade; 18, connecting rod; 19, U-shaped scraper; 20, mounting block; 21, insertion slot; 22, insertion block; 23, sliding groove; 24, sliding block; 25, spring; 26, rolling ball. DETAILED DESCRIPTION

[0023] In order to further illustrate the embodiments, the present application provides drawings which are part of the disclosure of the present application, mainly used to illustrate the embodiments, and can explain the operating principle of the embodiments in cooperation with the related description of the specification. With reference to these contents, those skilled in the art should understand other possible embodiments and advantages of the present application. The components in the figure are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] According to the embodiment of the present application, a waste heat boiler inlet flue dust removal device is provided.

[0025] Embodiment one;

[0026] As Figures 1-6 shown, according to the embodiment of the present application, the waste heat boiler inlet flue dust removal device comprises an inlet flue 1, characterized in that a plurality of baffle plates 2 are evenly distributed in the inlet flue 1, a flow guide box 3 is arranged at the bottom end of the inlet flue 1, a water tank 4 is arranged at the bottom end of the flow guide box 3, a tank cover 5 is arranged at the bottom end of the water tank 4, a fixed frame one 6 is arranged at the top end of the inlet flue 1, a mounting pipe 7 is arranged in the fixed frame one 6 and arranged transversely, a plurality of nozzles 8 are evenly distributed at the bottom end of the mounting pipe 7 and extend into the inlet flue 1, the mounting pipe 7 is connected with the water tank 4 through a conveying pipe 9, a conveying pump 10 is arranged in the fixed frame one 6 and located on the conveying pipe 9, the conveying pump 10 is connected with the fixed frame one 6 through a connecting frame 11, a filter barrel 12 is arranged in the water tank 4, and a cleaning assembly matched with the filter barrel 12 is arranged in the water tank 4.

[0027] Embodiment two;

[0028] As Figures 1-6As shown, including the import flue 1, characterized in that, the import flue 1 is equipped with several uniformly distributed baffle 2, the import flue 1 bottom is equipped with the flow guide box 3, the flow guide box 3 bottom is equipped with water tank 4, water tank 4 bottom is equipped with box cover 5, the import flue 1 top is equipped with fixed frame one 6, fixed frame one 6 is equipped with the installation pipe 7 that is set transversely, the installation pipe 7 bottom is equipped with several evenly distributed and extends to the nozzle 8 in the import flue 1, the installation pipe 7 is connected with water tank 4 by the delivery pipe 9, and the fixed frame one 6 and is located on the delivery pipe 9 is equipped with the delivery pump 10, the delivery pump 10 is connected with the fixed frame one 6 by the connecting frame 11, water tank 4 is equipped with filter barrel 12, and water tank 4 is equipped with the cleaning assembly matched with filter barrel 12. Water tank 4 one side is equipped with water pipe 13, and water pipe 13 top is equipped with the pipe cover matched with it. Box cover 5 is threadedly connected with water tank 4, and the box cover 5 is connected with the filter barrel 12 by the connecting column 14. The cleaning assembly includes the fixed frame two 15 in water tank 4, the fixed frame two 15 bottom is equipped with the rotating shaft 16, the rotating shaft 16 bottom is equipped with spiral fan blade 17, the spiral fan blade 17 bottom is equipped with connecting rod 18, and the connecting rod 18 bottom extends into filter barrel 12 and is connected with U-shaped scraper 19, and the U-shaped scraper 19 is connected with connecting rod 18 by the limiting assembly. The limiting assembly includes the installation block 20 on the connecting rod 18 bottom, the installation block 20 bottom is equipped with the insertion slot 21, the U-shaped scraper 19 inner top is equipped with the insertion block 22 extending into the insertion slot 21, the insertion slot 21 inner wall is equipped with the symmetrical sliding slot 23, the sliding slot 23 is equipped with the sliding block 24 matched with it, the sliding block 24 is connected with the installation block 20 by the spring 25, and the side away from the spring 25 of the sliding block 24 is equipped with the roll ball 26 extending into the insertion slot 21, and the insertion block 22 both sides are equipped with the limiting slot matched with the roll ball 26. The insertion slot 21 is rectangular slot, and the insertion block 22 is rectangular block.

[0029] In practical application, when the baffle 2 needs to be cleaned, the water pump 10 is started to send the water in the water tank 4 to the installation pipe 7 through the conveying pipe 9, the water entering the installation pipe 7 is sprayed out through the nozzle 8 to clean the baffle 2, the generated waste water is returned to the water tank 4 through the flow guide box 3, and after entering the water tank 4, the waste water is filtered through the filter barrel 12, and at the same time, when the waste water enters the water tank 4, the spiral fan blade 17 is impacted, the spiral fan blade 17 is rotated under the impact of the water flow, the spiral fan blade 17 drives the U-shaped scraper 19 to rotate through the connecting rod 18 to scrape and clean the inner wall of the filter barrel 12, when the U-shaped scraper 19 needs to be replaced, the box cover 5 is removed from the water tank 4 by rotating, the filter barrel 12 is removed from the water tank 4 by the connecting column 14, and then the U-shaped scraper 19 is pulled down by personnel, the rolling ball 26 is compressed to start the spring 25 to be separated from the limiting groove on the plug block 22, and at this time, the U-shaped scraper 19 is removed from the mounting block 20, after the waste water generated by washing the surface of the baffle is returned to the water tank, the cleaning assembly is arranged to automatically clean the inner wall of the filter barrel in the water tank, so that the filter hole of the filter barrel is prevented from being blocked to affect the waste water return efficiency, and the waste water is filtered and reused, and the cleaning assembly is matched with the spiral fan blade and the U-shaped scraper, the spiral fan blade is driven to rotate by the waste water impact, the spiral fan blade drives the U-shaped scraper to rotate to scrape and clean the inner wall of the filter barrel, and the use is simple and convenient without the need of a motor.

[0030] In summary, according to the above technical scheme of the utility model, after the waste water generated by washing the surface of the baffle is returned to the water tank, the cleaning assembly is arranged to automatically clean the inner wall of the filter barrel in the water tank, so that the filter hole of the filter barrel is prevented from being blocked to affect the waste water return efficiency, and the waste water is filtered and reused, and the cleaning assembly is matched with the spiral fan blade and the U-shaped scraper, the spiral fan blade is driven to rotate by the waste water impact, the spiral fan blade drives the U-shaped scraper to rotate to scrape and clean the inner wall of the filter barrel, and the use is simple and convenient without the need of a motor.

[0031] The above only describes preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dust removal device for an inlet flue of a waste heat boiler, comprising an inlet flue (1), characterized in that, The inlet flue (1) is equipped with several baffle plates (2) which are uniformly distributed, the bottom end of the inlet flue (1) is equipped with a flow guide box (3), the bottom end of the flow guide box (3) is equipped with a water tank (4), the bottom end of the water tank (4) is equipped with a tank cover (5), the top end of the inlet flue (1) is equipped with a fixed frame one (6), the fixed frame one (6) is equipped with a mounting pipe (7) which is arranged horizontally, the bottom end of the mounting pipe (7) is equipped with several nozzles (8) which are uniformly distributed and extend into the inlet flue (1), the mounting pipe (7) is connected with the water tank (4) through a conveying pipe (9), the fixed frame one (6) is equipped with a conveying pump (10) which is located on the conveying pipe (9), the conveying pump (10) is connected with the fixed frame one (6) through a connecting frame (11), the water tank (4) is equipped with a filter barrel (12), and the water tank (4) is equipped with a cleaning assembly which matches the filter barrel (12).

2. A dust removal device for an inlet flue of a waste heat boiler according to claim 1, characterized in that One side of the water tank (4) is equipped with a water adding pipe (13), and the top end of the water adding pipe (13) is equipped with a pipe cover which matches the water adding pipe (13).

3. A dust removal device for an inlet flue of a waste heat boiler according to claim 1, characterized in that, The tank cover (5) is threadedly connected with the water tank (4), and the tank cover (5) is connected with the filter barrel (12) through a connecting column (14).

4. A dust removal device for an inlet flue of a waste heat boiler according to claim 1, characterized in that, The cleaning assembly comprises a fixed frame two (15) which is arranged in the water tank (4), the bottom end of the fixed frame two (15) is equipped with a rotating shaft (16), the bottom end of the rotating shaft (16) is equipped with a spiral fan blade (17), the bottom end of the spiral fan blade (17) is equipped with a connecting rod (18), the bottom end of the connecting rod (18) extends into the filter barrel (12) and is connected with a U-shaped scraper (19), and the U-shaped scraper (19) is connected with the connecting rod (18) through a limiting assembly.

5. A dust removal device for an inlet flue of a waste heat boiler according to claim 4, characterized in that The limiting assembly comprises a mounting block (20) which is arranged at the bottom end of the connecting rod (18), a plug groove (21) is formed in the bottom end of the mounting block (20), a plug block (22) which extends into the plug groove (21) is arranged at the inner top end of the U-shaped scraper (19), symmetrically arranged slide grooves (23) are formed in the inner wall of the plug groove (21), a slide block (24) which matches the slide grooves (23) is arranged in the slide grooves (23), the slide block (24) is connected with the mounting block (20) through a spring (25), a rolling ball (26) which extends into the plug groove (21) is arranged on the side of the slide block (24) away from the spring (25), and limiting grooves which match the rolling ball (26) are formed at the two sides of the plug block (22).

6. A dust removal device for an inlet flue of a waste heat boiler according to claim 5, characterized in that The plug groove (21) is a rectangular groove, and the plug block (22) is a rectangular block.

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