CN217773625U - Boiler flue gas filtering device with excellent energy-saving effect - Google Patents

Abstract

The utility model discloses a boiler flue gas filter equipment that energy-conserving effect is excellent, it includes the cartridge filter, the cartridge filter includes first curb plate and second curb plate, first filter screen of fixedly connected with and second filter screen in the cartridge filter, first curb plate fixedly connected with intake pipe, second curb plate fixedly connected with outlet duct, the first motor of first curb plate fixedly connected with, first motor output shaft fixedly connected with bull stick, the bull stick is connected with first scraper blade, first scraper blade includes riser and diaphragm, riser and bull stick fixed connection, the diaphragm is inconsistent with cartridge filter inner wall, first curb plate fixedly connected with second motor, second motor output shaft fixedly connected with threaded rod, the tip is seted up flutedly under the cartridge filter, the threaded rod is located the recess and threaded connection has the second scraper blade with recess looks adaptation. This application has the adnexed smoke and dust of the clearance filter inner wall of being convenient for, improves the effect to the filter effect of flue gas.

Description

Boiler flue gas filtering device with excellent energy-saving effect

Technical Field

The utility model relates to a flue gas treatment facility's field especially relates to a boiler flue gas filter equipment that energy-conserving effect is excellent.

Background

The most important device that generates heat of heating system is the boiler, and the inside fuel of boiler emits a large amount of heat after burning, can produce a large amount of flue gases simultaneously, contains more granule and partial harmful gas in the flue gas, and in order to protect the environment, the boiler flue gas can not directly discharge to the atmosphere, consequently need carry out discharge to reach standard after the filtration treatment to the boiler flue gas.

Chinese patent with the reference publication number of CN211302528U in the related art discloses a boiler flue gas filtering device, which comprises an electrostatic dust collector, a filtering dust collector and a washing dust collector; the bottom end of the side wall of the electrostatic dust collector is provided with a flue gas inlet, the center of the top end of the electrostatic dust collector is provided with a smoke collector I, and the smoke collector I is externally connected with a primary smoke exhaust pipe; the bottom end of the side wall of the filter dust remover is provided with a filter dust remover inlet, the center of the top end of the filter dust remover is provided with a smoke collector II, and the smoke collector II is externally connected with a secondary smoke exhaust pipe; the bottom end of the side wall of the washing dust remover is provided with an inlet of the washing dust remover, and the center of the top end of the washing dust remover is provided with a smoke outlet; the one-level is discharged fume and is managed and filter the dust remover entry and link to each other, the second grade discharge fume manage with the washing dust remover entry links to each other, and this utility model adopts multi-stage filtration's mode to handle the boiler flue gas, can reach the filter effect of ideal.

According to the related technology, two layers of filter screens are arranged in the filter dust collector, when the filter dust collector filters smoke, part of smoke dust is attached to the inner wall of the filter dust collector and the filter screens, and when the filter dust collector is used for a long time, a large amount of smoke dust attached to the inner wall of the filter dust collector and the filter screens can influence the filtering effect of the filter dust collector.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the adnexed smoke and dust of clearance cartridge filter inner wall, improve the filter effect to the flue gas, this application provides an energy-conserving excellent boiler flue gas filter equipment of effect.

The application provides a boiler flue gas filter equipment that energy-conserving effect is excellent adopts following technical scheme:

the utility model provides a boiler flue gas filter equipment that energy-conserving effect is excellent, including the cartridge filter, the cartridge filter includes first curb plate and second curb plate, first filter screen of fixedly connected with and second filter screen in the cartridge filter, first curb plate fixedly connected with intake pipe, second curb plate fixedly connected with outlet duct, first curb plate fixedly connected with first motor, first motor output shaft fixedly connected with bull stick, the bull stick is worn to establish first filter screen and second filter screen and is rotated with first curb plate and second curb plate respectively and be connected, the bull stick is connected with first scraper blade, first scraper blade includes riser and diaphragm, riser and bull stick fixed connection, the diaphragm is inconsistent with cartridge filter inner wall, first curb plate fixedly connected with second motor, second motor output shaft fixedly connected with threaded rod, the tip is seted up flutedly under the cartridge filter, the threaded rod is located the recess and threaded connection has the second scraper blade with recess looks adaptation, the threaded rod both ends rotate with first curb plate and second curb plate respectively and are connected, the one end joint that the cartridge filter is close to the second curb plate has the deashing box, the deashing box is linked together with the recess.

Through adopting above-mentioned technical scheme, boiler flue gas gets into from the intake pipe, filter the back to the boiler flue gas via first filter screen and second filter screen, from outlet duct discharge cartridge filter, when boiler filtration filter equipment live time is longer, first motor drives the bull stick and rotates, drive first scraper blade and rotate, the diaphragm scrapes the adnexed smoke and dust of cartridge filter inner wall and gets, the smoke and dust of being scraped falls down under the action of gravity, get into the recess of filter cylinder bottom, the second motor drives the threaded rod and rotates, the second scraper blade is with the smoke and dust propelling movement in the recess to the deashing box, staff's detachable deashing box clears up it, through first motor and second motor, but first scraper blade and second scraper blade convenient and fast clear up the smoke and dust of attaching to the cartridge filter inner wall, it is comparatively convenient to clear up the inside smoke and dust of cartridge filter, be favorable to improving the filter effect of boiler flue gas filter equipment to boiler flue gas.

Optionally, the rotating rod is fixedly connected with two first scraping pieces and two second scraping pieces, the two first scraping pieces are respectively located on two sides of the first filter screen and are abutted against the first filter screen, and the two second scraping pieces are respectively located on two sides of the second filter screen and are abutted against the second filter screen.

Through adopting above-mentioned technical scheme, when first scraper blade cleared up cartridge filter inner wall, first doctor-bar can clear up the both sides of first filter screen, but the both sides of second doctor-bar second filter screen clear up, and the mesh that is favorable to guaranteeing first filter screen and second filter screen is smooth and easy, is favorable to improving the filter effect of boiler flue gas filter equipment to the boiler flue gas.

Optionally, the first scraping blade and the second scraping blade are both fixedly connected with bristles.

Through adopting above-mentioned technical scheme, the brush hair has improved the clearance effect of first doctor-bar and the first filter screen of second doctor-bar and second filter screen, is favorable to improving the filter effect of boiler flue gas filter equipment to the boiler flue gas.

Optionally, the filter cartridge is fixedly connected with a fan, and an air outlet of the fan is obliquely arranged and communicated with the inside of the filter cartridge.

Through adopting above-mentioned technical scheme, the velocity of flow reduces after the flue gas filters via first filter screen, and the fan has improved the velocity of flow of flue gas, is favorable to improving the filter effect of second filter screen to the flue gas.

Optionally, the rotating rod is fixedly connected with a plurality of fans along the axial direction.

Through adopting above-mentioned technical scheme, the bull stick drives the fan and rotates, has improved the air current velocity of flow of flue gas among the boiler flue gas filter equipment, is favorable to improving the filter effect to the flue gas.

Optionally, the outer wall of the filter cylinder is fixedly connected with an annular water pipe.

Through adopting above-mentioned technical scheme, the water in the annular water pipe carries out the heat exchange with the inside flue gas of cartridge filter, carries out recycle to the heat that the flue gas contains, and energy-conserving effectual.

Optionally, a drying layer is fixedly arranged in the air inlet pipe, and a drying agent is placed in the drying layer.

Through adopting above-mentioned technical scheme, carry out drying process to the flue gas that gets into boiler flue gas filter equipment, be favorable to improving the filter effect of boiler flue gas filter equipment to the flue gas.

Optionally, the mesh aperture of the first screen is larger than the mesh aperture of the second screen.

Through adopting above-mentioned technical scheme, first filter screen carries out prefilter to the flue gas, gets rid of the great smoke and dust of granule in the flue gas, is favorable to the second filter screen to carry out further filtration to the flue gas, and then improves the filter effect to the flue gas.

In summary, the present application includes at least one of the following beneficial technical effects:

1. boiler smoke enters from an air inlet pipe, the boiler smoke is filtered by a first filter screen and a second filter screen and then is discharged out of a filter cartridge from an air outlet pipe, when the boiler filter device is used for a long time, a first motor drives a rotating rod to rotate to drive a first scraper plate to rotate, a transverse plate scrapes smoke attached to the inner wall of the filter cartridge, the scraped smoke falls down under the action of gravity and enters a groove in the bottom of the filter cartridge, a second motor drives a threaded rod to rotate, the second scraper plate pushes the smoke in the groove into a dust cleaning box, a worker can remove the dust cleaning box to clean the dust, and the first scraper plate and the second scraper plate can conveniently and quickly clean the smoke attached to the inner wall of the filter cartridge through the first motor and the second motor, so that the smoke in the filter cartridge is conveniently cleaned, and the filter effect of the boiler smoke filter device on the boiler smoke is favorably improved;

2. when the first scraper plate cleans the inner wall of the filter cylinder, the first scraper blade can clean two sides of the first filter screen, and the second scraper blade can clean two sides of the second filter screen, so that smooth meshes of the first filter screen and the second filter screen can be ensured, and the filtering effect of the boiler flue gas filtering device on boiler flue gas can be improved;

3. the brush hair has improved the clearance effect of first doctor-bar and the first filter screen of second doctor-bar and second filter screen, is favorable to improving the filter effect of boiler flue gas filter equipment to the boiler flue gas.

Drawings

Fig. 1 is a schematic view of the overall structure of a boiler flue gas filtering device with excellent energy-saving effect.

FIG. 2 is an overall sectional schematic view of a boiler flue gas filtering device.

Fig. 3 is intended to highlight the structural schematic of the turn bar, the first squeegee, the first wiper blade and the second wiper blade.

Fig. 4 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a filter cartridge; 11. a first side plate; 12. a second side plate; 13. a first filter screen; 14. a second filter screen; 111. an air inlet pipe; 121. an air outlet pipe; 2. a first motor; 21. a rotating rod; 22. a first squeegee; 221. a vertical plate; 222. a transverse plate; 3. a second motor; 31. a threaded rod; 15. a groove; 32. a second squeegee; 16. cleaning the ash box; 211. a first blade; 212. a second wiper blade; 213. brushing; 4. a fan; 214. a fan; 5. an annular water pipe; 112. and (6) drying the layer.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses boiler flue gas filter equipment that energy-conserving effect is excellent.

Examples

Referring to fig. 1 and 2, a boiler flue gas filtering device with excellent energy-saving effect comprises a filter cartridge 1, wherein the filter cartridge 1 comprises a first side plate 11 and a second side plate 12, the first side plate 11 is fixedly connected with an air inlet pipe 111, the second side plate 12 is fixedly connected with an air outlet pipe 121, the air inlet pipe 111 and the air outlet pipe 121 are both communicated with the inside of the filter cartridge 1, and flue gas enters the filter cartridge 1 from the air inlet pipe 111.

Referring to fig. 1 and 2, a drying layer 112 is fixedly disposed in the air inlet pipe 111, a drying agent is disposed in the drying layer 112, and boiler flue gas enters the filter cartridge 1 through the air inlet pipe 111, and is dried by the drying layer 112. Most moisture that contains in the drier with the flue gas absorbs, and some compositions in the flue gas have corrosivity after dissolving in water, get rid of the reducible flue gas of moisture in the flue gas and to the corrosive effects of cartridge filter 1, alleviate the adhesion condition of cartridge filter 1 inner wall smoke and dust simultaneously.

The interior fixedly connected with of cartridge filter 1 first filter screen 13 and second filter screen 14, the mesh aperture of first filter screen 13 is greater than the mesh aperture of second filter screen 14, the flue gas gets into cartridge filter 1 from intake pipe 111, filter via first filter screen 13, get rid of the great flue gas granule of diameter in the flue gas, be favorable to second filter screen 14 to carry out further filtration treatment to the flue gas, the flue gas filters via first filter screen 13 and second filter screen 14, discharge in outlet duct 121.

Referring to fig. 1 and 2, a first motor 2 is fixedly connected to a first side plate 11, a rotating rod 21 is fixedly connected to an output shaft of the first motor 2, the first motor 2 drives the rotating rod 21 to rotate, the rotating rod 21 penetrates through a first filter screen 13 and a second filter screen 14 and is respectively connected with the first side plate 11 and a second side plate 12 in a rotating mode, the rotating rod 21 is connected with a first scraper 22, when the boiler flue gas filtering device is used for a long time, more smoke dust adheres to the inner wall of the filter cartridge 1, the rotating rod 21 drives the first scraper 22 to rotate, and the inner wall of the filter cartridge 1 can be cleaned. The first scraper 22 comprises a vertical plate 221 and a horizontal plate 222, the vertical plate 221 is fixedly connected with the rotating rod 21, the horizontal plate 222 is fixedly connected with the vertical plate 221, the horizontal plate 222 abuts against the inner wall of the filter cartridge 1, the vertical plate 221 rotates along with the rotating rod 21, the horizontal plate 222 keeps the state of abutting against the filter cartridge 1 and rotates along with the vertical plate 221, the horizontal plate 222 scrapes off the smoke dust attached to the inner wall of the filter cartridge 1, and the scraped smoke dust falls into the lower end of the filter cartridge 1 under the action of gravity.

Referring to fig. 1 and 3, the rotating rod 21 is fixedly connected with two first scraping blades 211 and two second scraping blades 212, the first scraping blades 211 and the second scraping blades 212 are both fixedly connected with bristles 213, the two first scraping blades 211 are respectively located on two sides of the first filter screen 13, when the rotating rod 21 is driven by the first motor 2 to rotate, the bristles 213 of the first scraping blades 211 are abutted against the first filter screen 13, the first scraping blades 211 rotate along with the rotating rod 21, and the bristles 213 clean two sides of the first filter screen 13.

Referring to fig. 1 and 3, the two second scrapers 212 are respectively located at two sides of the second filter screen 14, the brush hairs 213 of the second scrapers 212 contact with the second filter screen 14, the second scrapers 212 rotate along with the rotating rod 21, and the brush hairs 213 clean the two sides of the second filter screen 14. When first scraper blade 22 cleared up cartridge filter 1 inner wall, first doctor-bar 211 cleared up first filter screen 13, and second doctor-bar 212 clears up second filter screen 14, and it is smooth and easy to have guaranteed that the mesh of first filter screen 13 and second filter screen 14 is smooth and easy, has ensured that first filter screen 13 and second filter screen 14 can be normal to the flue gas and has filtered, is favorable to improving the filter effect of boiler flue gas filter equipment to the boiler flue gas.

Referring to fig. 2 and 4, a groove 15 is formed in the lower end of the filter cartridge 1, smoke dust falls and accumulates in the groove 15, the first side plate 11 is fixedly connected with the second motor 3, an output shaft of the second motor 3 is fixedly connected with a threaded rod 31, two ends of the threaded rod 31 are respectively connected with the first side plate 11 and the second side plate 12 in a rotating manner, the second motor 3 drives the threaded rod 31 to rotate, and the threaded rod 31 is located in the groove 15 and is in threaded connection with the second scraper 32. The second scraping plate 32 is located in the groove 15 and is in sliding connection with the groove 15, the second scraping plate 32 cannot rotate along with the threaded rod 31, the threaded rod 31 rotates to drive the second scraping plate 32 to slide along the length direction of the groove 15, the second scraping plate 32 moves from one end, close to the first side plate 11, of the groove 15 to one end, close to the second side plate 12, of the groove 15, and accumulated smoke in the groove 15 is cleaned to one end, close to the second side plate 12, of the groove 15.

Referring to fig. 2 and 4, an ash removal box 16 is connected to one end of the filter cartridge 1 close to the second side plate 12 in a clamped manner, the ash removal box 16 is located at one end of the filter cartridge 1 close to the second side plate 12 and communicated with the groove 15, the smoke removed by the second scraper 32 falls into the ash removal box 16, and the worker can remove the ash removal box 16, clean the smoke in the ash removal box 16, and then connect the ash removal box 16 with the filter cartridge 1 in a clamped manner, so that the sealing performance of the filter cartridge 1 is ensured. First scraper blade 22 and second scraper blade 32 clear up the smoke and dust of adhering to at cartridge filter 1 inner wall, make cartridge filter 1 inner wall keep clean, are favorable to improving the filter effect of boiler flue gas filter equipment to the boiler flue gas.

Referring to fig. 1 and 2, the filter cartridge 1 is fixedly connected with a fan 4, an air outlet of the fan 4 is obliquely arranged and communicated with the inside of the filter cartridge 1, and air is blown out of the air outlet of the fan 4. The rotating rod 21 is fixedly connected with a plurality of fans 214 along the circumferential direction, the fans 214 rotate along with the rotating rod 21, the flow velocity of flue gas in the boiler flue gas filtering device is improved, the filtering effect of the second filter screen 14 on the flue gas is favorably improved, and meanwhile, the attachment of smoke dust on the inner wall of the filter cartridge 1 is reduced.

Referring to fig. 1 and 2, the outer wall of the filter cartridge 1 is fixedly connected with an annular water pipe 5, the temperature of the boiler flue gas is high, when the boiler flue gas enters the filter device, the flue gas and water in the annular water pipe 5 perform heat exchange, and the water recovers and utilizes heat contained in the flue gas, so that the energy-saving effect is good.

The implementation principle of the boiler flue gas filtering device with excellent energy-saving effect is as follows: the first motor 2 drives the rotating rod 21 to rotate, the rotating rod 21 drives the first scraping plate 22 to rotate, the transverse plate 222 scrapes the smoke dust attached to the inner wall of the filter cartridge 1, meanwhile, the bristles 213 on the first scraping plate 211 clean the first filter screen 13, and the bristles 213 on the second scraping plate 212 clean the second filter screen 14. Second motor 3 drives threaded rod 31 and rotates, and second scraper blade 32 will fall into the smoke and dust clearance in recess 15 to the deashing box 16 in, has guaranteed the cleanness of cartridge filter 1 inner wall to and the mesh of first filter screen 13 and second filter screen 14 is smooth and easy, convenient and fast clears up cartridge filter 1 inner wall, first filter screen 13 and second filter screen 14, is favorable to improving boiler flue gas filter equipment's the filter effect to the flue gas.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a boiler flue gas filter equipment that energy-conserving effect is excellent, includes cartridge filter (1), its characterized in that: the filter cartridge (1) comprises a first side plate (11) and a second side plate (12), a first filter screen (13) and a second filter screen (14) are fixedly connected in the filter cartridge (1), an air inlet pipe (111) is fixedly connected to the first side plate (11), an air outlet pipe (121) is fixedly connected to the second side plate (12), a first motor (2) is fixedly connected to the first side plate (11), an output shaft of the first motor (2) is fixedly connected with a rotating rod (21), the rotating rod (21) penetrates through the first filter screen (13) and the second filter screen (14) and is respectively rotatably connected with the first side plate (11) and the second side plate (12), the rotating rod (21) is connected with a first scraper blade (22), the first scraper blade (22) comprises a vertical plate (221) and a transverse plate (222), the vertical plate (221) is fixedly connected with the rotating rod (21), the transverse plate (222) is abutted to the inner wall of the filter cartridge (1), the first side plate (11) is fixedly connected with a second motor (3), an output shaft of the second motor (3) is fixedly connected with a threaded rod (31), a groove (15) is formed in the first side plate (31), the threaded rod (31), the groove (31) is formed in a groove (31) and a groove (31) is connected with the second side plate (31) in a thread groove (31) respectively connected with the second side plate (31), one end of the filter cartridge (1) close to the second side plate (12) is clamped with an ash removal box (16), and the ash removal box (16) is communicated with the groove (15).

2. The boiler flue gas filtering device with excellent energy-saving effect according to claim 1, characterized in that: the rotary rod (21) is fixedly connected with two first scraping blades (211) and two second scraping blades (212), the two first scraping blades (211) are respectively located on two sides of the first filter screen (13) and are abutted to the first filter screen (13), and the two second scraping blades (212) are respectively located on two sides of the second filter screen (14) and are abutted to the second filter screen (14).

3. The boiler flue gas filtering device with excellent energy-saving effect according to claim 2, characterized in that: the first scraping blade (211) and the second scraping blade (212) are both fixedly connected with bristles (213).

4. The boiler flue gas filtering device with excellent energy-saving effect according to claim 1, characterized in that: the filter cartridge (1) is fixedly connected with a fan (4), and an air outlet of the fan (4) is obliquely arranged and communicated with the inside of the filter cartridge (1).

5. The boiler flue gas filtering device with excellent energy-saving effect according to claim 1, characterized in that: the rotating rod (21) is fixedly connected with a plurality of fans (214) along the axial direction.

6. The boiler flue gas filtering device with excellent energy-saving effect according to claim 1, characterized in that: the outer wall of the filter cartridge (1) is fixedly connected with an annular water pipe (5).

7. The boiler flue gas filtering device with excellent energy-saving effect according to claim 1, characterized in that: a drying layer (112) is fixedly arranged in the air inlet pipe (111), and a drying agent is placed in the drying layer (112).

8. The boiler flue gas filtering device with excellent energy-saving effect according to claim 1, characterized in that: the mesh aperture of the first filter screen (13) is larger than that of the second filter screen (14).

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