CN214840930U

CN214840930U - Energy-saving hot-blast furnace flue gas waste heat utilization equipment

Info

Publication number: CN214840930U
Application number: CN202120126677.5U
Authority: CN
Inventors: 陶冶; 舒玉荣
Original assignee: Hefei Zhuoye Electromechanical Equipment Co ltd
Current assignee: Hefei Zhuoye Electromechanical Equipment Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-11-23
Anticipated expiration: 2031-01-18

Abstract

The application relates to an energy-saving hot blast stove flue gas waste heat utilization device, which comprises a flue gas filtering tank, wherein a fixed circular plate is fixedly arranged on the inner wall of the flue gas filtering tank, a first filter screen is embedded and installed on the outer side of the upper surface of the fixed circular plate, a second filter screen is embedded and installed on the lower surface of the fixed circular plate, an activated carbon layer is fixedly connected between the first filter screen and the second filter screen, a servo motor is fixedly installed at the central position of the upper surface of the fixed circular plate, a rotating plate is rotatably connected to the lower surface of the fixed circular plate below the second filter screen, a fixing bolt is installed inside the central position of the rotating plate, a scraping blade is installed on the upper surface of the rotating plate in an embedded manner, the transmission end of the servo motor penetrates through the fixed circular plate and is fixedly connected with the rotating plate through the fixing bolt, the servo motor drives the rotating plate to rotate on the lower surface of the fixed circular plate, and the soot accumulated on the surface of the second filter screen is scraped through the scraping blade, the filtering effect of the second filter screen is improved, and the service life is prolonged.

Description

Energy-saving hot-blast furnace flue gas waste heat utilization equipment

Technical Field

The application relates to the technical field of hot blast stoves, in particular to an energy-saving hot blast stove flue gas waste heat utilization device.

Background

Hot blast stoves are thermodynamic machines that have become an upgrading product for electric and traditional steam-powered heat sources in many industries. The hot blast stove has various types and complete series, and is divided into a hand-burning furnace and a machine-burning furnace by a coal feeding mode, and is divided into a coal furnace, an oil furnace, a gas furnace and the like by fuel types.

The most common method at present is to convert and recycle the heat in the flue gas, and the flue gas after heat conversion still carries a large amount of soot, for example, the Chinese utility model patent with publication number CN211450985U discloses a flue gas waste heat utilization device of a hot blast stove, which comprises a bottom plate, a water tank fixedly connected to the right side of the top of the bottom plate, a flue gas waste heat utilization device body fixedly connected to the top of the water tank, a dust filter screen transversely and fixedly connected to the interior of the flue gas waste heat utilization device body, a larger particle filter screen fixedly connected to the top of the dust filter screen, a smaller particle filter screen fixedly connected to the top of the larger particle filter screen, an activated carbon filter screen fixedly connected to the top of the smaller particle filter screen, and a motor fixedly connected to the right side of the flue gas waste heat utilization device body, the output of motor runs through the flue gas waste heat utilization device body and extends to the inside fixedly connected with dwang of flue gas waste heat utilization device body, the left side fixedly connected with cam of dwang.

This hot-blast furnace flue gas waste heat utilization equipment passes through the motor and drives the dwang and rotate, utilizes the dwang to drive the cam and hit the dust filter screen and hit, and the dust filter screen shake makes inside dust drop, can play the effect that improves flue gas filter effect really in the short time, but because flue gas temperature is too high, in addition hit the dust filter screen and hit the power for a long time, very easily cause the dust filter screen to warp, reduce the life of dust filter screen. Therefore, the technical personnel in the field provide an energy-saving hot blast stove flue gas waste heat utilization device to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems provided in the background art, the application provides an energy-saving hot blast stove flue gas waste heat utilization device.

The application provides a pair of energy-saving hot-blast furnace flue gas waste heat utilization equipment adopts following technical scheme:

the utility model provides an energy-saving hot-blast furnace flue gas waste heat utilization equipment, crosses the jar including the flue gas, the flue gas crosses the last fixed surface who crosses the jar and installs the outlet flue, and the lower fixed surface who crosses the jar of flue gas filters and installs into the mouth, the inner wall fixed mounting that the jar was crossed to the flue gas has fixed plectane, first filter screen is installed in the upper surface outside embedding of fixed plectane, and the lower surface embedding of fixed plectane installs the second filter screen, fixedly connected with activated carbon layer between first filter screen and the second filter screen, the upper surface central point of fixed plectane puts fixed mounting has servo motor, and the lower surface of fixed plectane rotates in the below of second filter screen and is connected with the commentaries on classics board, the central point of commentaries on classics board puts internally mounted and has fixing bolt, and the last surface embedding of commentaries on classics board installs the doctor-bar.

Through adopting above-mentioned technical scheme, servo motor's transmission end passes fixed plectane and passes through fixing bolt and commentaries on classics board fixed connection, utilizes servo motor to drive and changes the board and rotate at fixed plectane lower surface, strikes off the cigarette ash that second filter screen surface area was saved through the doctor-bar, improves the filter effect of second filter screen, increase of service life to rotate through changeing the board, the speed that the flue gas passes through the second filter screen with higher speed improves flue gas filtration efficiency.

Preferably, the inside of the smoke filtering tank is fixedly provided with support rods on both sides of the smoke inlet, and the top ends of the support rods are fixedly provided with bamboo hat caps.

Through adopting above-mentioned technical scheme, bamboo hat cap can prevent that the second filter screen surface from falling into the cigarette mouth when scraping off cigarette ash, avoids causing into the cigarette mouth jam.

Preferably, the side face of the flue gas filtering tank is movably hinged with a side door, and a collecting tank is fixedly mounted on the bottom surface inside the flue gas filtering tank.

Through adopting above-mentioned technical scheme, open the side door and regularly collect the clearance to the cigarette ash that falls into in the collecting vat, alleviate flue gas filtration jar load, improve the filter effect.

Preferably, a protective cover is fixedly arranged outside the servo motor and is made of heat-resistant ceramic materials.

Through adopting above-mentioned technical scheme, heat can effectively be obstructed to heat-resisting ceramic material's protection casing, reduces high temperature flue gas in the flue gas filter jar to servo motor's influence.

Preferably, the lower surface of the rotating plate is internally provided with a vent hole, and the rotating plate and the lower surface of the fixed circular plate are inclined at an angle of thirty degrees.

Through adopting above-mentioned technical scheme, the commentaries on classics board is thirty degrees slopes with fixed plectane lower surface, is favorable to improving the effect that the doctor-bar was clear away to fixed plectane lower surface, and the ventilation hole of turning the inside setting of board can effectively improve the speed that the flue gas passes through the commentaries on classics board.

To sum up, the application comprises the following beneficial technical effects:

servo motor's transmission end passes fixed plectane and passes through fixing bolt and commentaries on classics board fixed connection, utilizes servo motor to drive and changes the board and rotate at fixed plectane lower surface, strikes off the cigarette ash that second filter screen surface area was saved through the doctor-bar, improves the filter effect of second filter screen, increase of service life to rotate through changeing the board, the speed that the flue gas passes through the second filter screen with higher speed improves flue gas filtration efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a flue gas waste heat utilization device of an energy-saving hot blast stove in an embodiment of the application;

fig. 2 is a schematic view of the installation of the fixed circular plate and the rotating plate in the embodiment of the present application.

Description of reference numerals: 1. a flue gas filtering tank; 2. a first filter screen; 3. a smoke outlet; 4. a protective cover; 5. an activated carbon layer; 6. fixing the circular plate; 7. a vent hole; 8. collecting tank; 9. a bamboo hat; 10. a smoke inlet; 11. a support bar; 12. a side door; 13. a second filter screen; 14. a servo motor; 15. rotating the plate; 16. fixing the bolt; 17. and (4) scraping the blade.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses an energy-saving hot blast stove flue gas waste heat utilization device. Referring to fig. 1-2, an energy-saving hot-blast stove flue gas waste heat utilization device comprises a flue gas filtering tank 1, a smoke outlet 3 is fixedly installed on the upper surface of the flue gas filtering tank 1, a smoke inlet 10 is fixedly installed on the lower surface of the flue gas filtering tank 1, support rods 11 are fixedly installed on two sides of the smoke inlet 10 in the flue gas filtering tank 1, a bamboo hat 9 is fixedly installed at the top end of each support rod 11, the bamboo hat 9 can prevent the surface of a second filter screen 13 from falling into the smoke inlet 10 when scraping off cigarette ash, so as to avoid blocking the smoke inlet 10, a side door 12 is movably hinged on the side surface of the flue gas filtering tank 1, a bottom surface in the flue gas filtering tank 1 is fixedly installed with a side door 8, the side door 12 is opened to regularly collect and clean the cigarette ash falling into a collecting tank 8, the load of the flue gas filtering tank 1 is reduced, the filtering effect is improved, a fixed circular plate 6 is fixedly installed on the inner wall of the flue gas filtering tank 1, a first filter screen 2 is embedded and installed on the outer side of the upper surface of a fixed circular plate 6, a second filter screen 13 is embedded and installed on the lower surface of the fixed circular plate 6, an activated carbon layer 5 is fixedly connected between the first filter screen 2 and the second filter screen 13, a servo motor 14 is fixedly installed at the central position of the upper surface of the fixed circular plate 6, a protective cover 4 is fixedly installed on the outer portion of the servo motor 14, the protective cover 4 is made of heat-resistant ceramic materials, the protective cover 4 made of heat-resistant ceramic materials can effectively block heat, and the influence of high-temperature flue gas in a flue gas filtering tank 1 on the servo motor 14 is reduced, a rotating plate 15 is rotatably connected to the lower surface of the fixed circular plate 6 below the second filter screen 13, a vent hole 7 is formed in the lower surface of the rotating plate 15, the rotating plate 15 and the lower surface of the fixed circular plate 6 are inclined at thirty-degree angles, a fixing bolt 16 is installed inside the central position of the rotating plate 15, and a scraping blade 17 is embedded and installed on the upper surface of the rotating plate 15, servo motor 14's transmission end passes fixed plectane 6 and passes through fixing bolt 16 and commentaries on classics board 15 fixed connection, utilize servo motor 14 to drive commentaries on classics board 15 and rotate at fixed plectane 6 lower surface, scrape off the cigarette ash that second filter screen 13 surface area was built up through doctor-bar 17, commentaries on classics board 15 is thirty degrees angle slopes with fixed plectane 6 lower surface, be favorable to improving the effect that doctor-bar 17 cleared away fixed plectane 6 lower surface, and the inside ventilation hole 7 of seting up of commentaries on classics board 15 can effectively improve the speed that the flue gas passes through commentaries on classics board 15, improve the filter effect of second filter screen 13, prolonged service life, and rotate through commentaries on classics board 15, accelerate the speed that the flue gas passes through second filter screen 13, improve flue gas filtration efficiency.

The implementation principle of the flue gas waste heat utilization device of the energy-saving hot blast stove in the embodiment of the application is as follows: firstly, the flue gas of the hot blast stove enters the flue gas filtering tank 1 from the smoke inlet 10, the flue gas is blocked by the bamboo hat cap 9, the flue gas is enabled to pass through the lower surface of the rotating plate 15 from two sides, the flue gas is filtered from the first filter screen 2 by the second filter screen 13 through the activated carbon layer 5, and finally the flue gas is led out from the smoke outlet 3, meanwhile, the transmission end of the servo motor 14 passes through the fixed circular plate 6 and is fixedly connected with the rotating plate 15 through the fixing bolt 16, the servo motor 14 is utilized to drive the rotating plate 15 to rotate on the lower surface of the fixed circular plate 6, the soot accumulated on the surface of the second filter screen 13 is scraped by the scraping blade 17, the filtering effect of the second filter screen 13 is improved, the service life is prolonged, the speed of the flue gas passing through the second filter screen 13 is accelerated by the rotation of the rotating plate 15, the flue gas filtering efficiency is improved, the side door 12 is opened to regularly collect and clean the soot falling into the collecting tank 8, the load of the flue gas filtering tank 1 is reduced, the filtering effect is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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

1. The utility model provides an energy-saving hot-blast furnace flue gas waste heat utilization equipment, includes flue gas filter tank (1), its characterized in that: a smoke outlet (3) is fixedly arranged on the upper surface of the smoke filtering tank (1), a smoke inlet (10) is fixedly arranged on the lower surface of the smoke filtering tank (1), a fixed circular plate (6) is fixedly arranged on the inner wall of the flue gas filtering tank (1), a first filter screen (2) is embedded and arranged on the outer side of the upper surface of the fixed circular plate (6), and a second filter screen (13) is embedded and installed on the lower surface of the fixed circular plate (6), an active carbon layer (5) is fixedly connected between the first filter screen (2) and the second filter screen (13), a servo motor (14) is fixedly arranged at the center of the upper surface of the fixed circular plate (6), the lower surface of the fixed circular plate (6) is rotatably connected with a rotating plate (15) below the second filter screen (13), the center position of commentaries on classics board (15) internally mounted has fixing bolt (16), and changes the upper surface embedding of board (15) and install doctor-bar (17).

2. The flue gas waste heat utilization device of the energy-saving hot blast stove according to claim 1, characterized in that: the inside of flue gas filter jar (1) is in the equal fixed mounting in both sides of advancing cigarette mouth (10) have bracing piece (11), the top fixed mounting of bracing piece (11) has bamboo hat cap (9).

3. The flue gas waste heat utilization device of the energy-saving hot blast stove according to claim 1, characterized in that: the side face of the flue gas filtering tank (1) is movably hinged with a side door (12), and a collecting tank (8) is fixedly mounted on the bottom face inside the flue gas filtering tank (1).

4. The flue gas waste heat utilization device of the energy-saving hot blast stove according to claim 1, characterized in that: the outside fixed mounting of servo motor (14) has protection casing (4), protection casing (4) are heat-resisting ceramic material.

5. The flue gas waste heat utilization device of the energy-saving hot blast stove according to claim 1, characterized in that: the ventilation holes (7) are formed in the lower surface of the rotating plate (15), and the rotating plate (15) and the lower surface of the fixed circular plate (6) are inclined at thirty-degree angles.