CN219063457U - Combustor air inlet structure with dust filtering function - Google Patents

Abstract

The utility model belongs to the technical field of burner equipment, and particularly discloses a burner air inlet structure with a dust filtering function, which comprises an air inlet pipe, a dust filtering mechanism and a ventilation pipe, wherein the dust filtering mechanism comprises a dust filtering bin, a filter screen and a clamping assembly, one end of the air inlet pipe is communicated with one end of the dust filtering bin, the other end of the dust filtering bin is communicated with a connecting pipe, the filter screen is detachably connected in the dust filtering bin through the clamping assembly, a heating unit is connected between the connecting pipe and the ventilation pipe, an air blower is connected on the connecting pipe, a guide pipe is communicated on the connecting pipe, and the guide pipe is connected with the burner. According to the utility model, the dust filtering bin is arranged between the air inlet pipe and the ventilation pipe, the air sucked by the air blower enters the dust filtering bin, particles and impurity dust in the air are filtered out by the filter screen, the impurity is prevented from entering the air blower connected to the ventilation pipe to influence the service life of the air blower, and meanwhile, the filter screen is detachably connected to the dust filtering bin by the clamping assembly, so that the air filter can be replaced at any time.

Description

Combustor air inlet structure with dust filtering function

Technical Field

The utility model relates to the technical field of burner equipment, in particular to a burner air inlet structure with a dust filtering function.

Background

The burner refers to a burner used on a boiler, and the burner is the most important equipment in auxiliary machinery matched with a gas boiler; as a new century product, oil and gas fired boilers have higher thermal efficiency than conventional boilers, but the technical level thereof has yet to be further improved.

In the prior art, the air blower is used for supplying air to the burner through the air inlet pipe, so that natural air and coke oven gas are mixed and then are combusted in an auxiliary mode, but the air sucked from the air inlet pipe by the burner has certain particles, impurity dust and other impurities and is easy to enter the air blower, if the air entering the air blower is not filtered, the air blower can be worn to a certain extent for a long time, and the service life of the air blower is shortened. It is therefore necessary to design a device for pre-filtering the air sucked in the air inlet duct of the burner.

Disclosure of Invention

The utility model aims to provide a combustor air inlet structure with a dust filtering function, so as to solve the problem of short service life of a blower blowing into a combustor in the prior art.

In order to achieve the above purpose, the basic scheme provided by the utility model is as follows: the utility model provides a combustor air inlet structure with strain dirt function, includes the air-supply line, strain dirt mechanism and ventilation pipe, it includes dust filter bin, filter screen and clamping assembly to strain dirt mechanism, the air-supply line with strain the one end intercommunication in dirt bin, it has the connecting pipe to strain the other end intercommunication in dirt bin, the filter screen passes through clamping assembly and can dismantle the connection in straining dirt bin, be connected with the heating unit who is used for heating air between connecting pipe and the ventilation pipe, be connected with the air-blower on the communicating pipe, the intercommunication has the pipe on the air-blower, the pipe is connected with the combustor.

The principle and the beneficial effects of the utility model are as follows: according to the utility model, the dust filtering bin is arranged between the air inlet pipe and the ventilation pipe, the air sucked by the air blower enters the dust filtering bin, particles and impurity dust in the air are filtered out by the filter screen, the impurity is prevented from entering the air blower connected to the ventilation pipe to influence the service life of the air blower, and meanwhile, the filter screen is detachably connected to the dust filtering bin by the clamping assembly, so that the air filter can be replaced at any time.

The second scheme is the optimization of the basic scheme, the clamping assembly comprises a first fixed frame, a second fixed frame and a fixed plate, wherein a protruding block is arranged on the first fixed frame, a groove is arranged on the second fixed frame, the protruding block is matched with the groove, the filter screen is clamped between the first fixed frame and the second fixed frame, clamping grooves and inserting holes are respectively formed in the periphery and the bottom of the inner wall of the dust filtering bin, the first fixed frame and the second fixed frame are in sliding connection in the clamping grooves, the fixed plate is in a boss shape, and the fixed plate is detachably connected to the bottom of the dust filtering bin and abuts against the first fixed frame and the second fixed frame; the filter screen is through the centre gripping in first fixed frame and the fixed frame of second to carry out the air filtration with the fixed frame card of first fixed frame and second in going into the draw-in groove in straining the dirt storehouse, after the filter screen used a period of time, can be through taking off first fixed frame and the fixed frame of second and tearing apart, be convenient for change new filter screen.

The third scheme is the optimization of the second scheme, two connecting plates are connected to the outside of the dust filtering bin, and the two connecting plates are connected with the fixing plate through bolts respectively; the fixed plate is used for blocking an opening at the bottom of the dust filtering bin and is connected to the connecting plate through bolts so as to be convenient to install and detach.

In a fourth aspect, the heating unit is a tube type heat exchanger.

A fifth preferred mode is that in the fourth preferred mode, the fixing plate is connected with a handle; the staff can pull the handle and be convenient for pull down the fixed plate.

Drawings

FIG. 1 is a perspective view of a burner air intake structure with dust filtering function of the present utility model;

FIG. 2 is a perspective view of a clamping assembly in a burner air intake structure with dust filtering function in accordance with the present utility model;

FIG. 3 is a front view of a burner air intake structure with dust filtering function of the present utility model;

FIG. 4 is a bottom view of a burner air intake structure with dust filtering function in accordance with the present utility model;

FIG. 5 is a cross-sectional view of A-A of FIG. 3;

FIG. 6 is a perspective view showing the connection of the fixing plate and the handle in the air intake structure of the burner with dust filtering function according to the present utility model.

Detailed Description

The utility model is described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: 1. an air inlet pipe; 2. a dust filtering bin; 3. a connecting pipe; 4. a ventilation pipe; 5. a blower; 6. a conduit; 7. a burner; 8. a shell and tube heat exchanger; 9. a clamping assembly; 10. a bump; 11. a first fixing frame; 12. a second fixing frame; 13. a groove; 14. a clamping groove; 15. a fixing plate; 16. a connecting plate; 17. a handle.

As shown in fig. 1 to 6: the utility model provides a combustor air inlet structure with strain dirt function, including air-supply line 1, strain dirt mechanism and ventilation pipe 4, strain dirt mechanism and including straining dirt storehouse 2, filter screen and clamping assembly 9, strain dirt storehouse 2 one end and air-supply line 1 flange joint, strain dirt storehouse 2 other end flange joint and have connecting pipe 3, be connected with the heating element between connecting pipe 3 and the ventilation pipe 4, the heating element is shell and tube heat exchanger 8, clamping assembly 9 includes first fixed frame 11, second fixed frame 12 and fixed plate 15, first fixed frame 11 fixedly connected with lug 10, second fixed frame 12 has seted up flutedly 13, the filter screen is clamped between first fixed frame 11 and second fixed frame 12 through lug 10 card income recess 13, strain dirt storehouse 2's bottom has seted up the socket, strain dirt storehouse 2's inner wall and seted up draw-in groove 14 all around, first fixed frame 11 and second fixed frame 12 insert the socket and sliding connection in draw-in groove 14, fixed plate 15 is boss form; the outside fixedly connected with two connecting plates 16 of straining dirt storehouse 2, open threaded hole on the connecting plate 16, fixed plate 15 passes through bolt and connecting plate 16 fixed connection, and the bottom fixedly connected with handle 17 of fixed plate 15.

The ventilating pipe 4 is fixedly connected with a blower 5, the model of the blower 5 is DJSR50, and a conduit 6 is communicated between the air outlet end of the blower 5 and the burner 7.

The implementation manner of this example is as follows: when the device is used, the filter screen is clamped between the first fixed frame 11 and the second fixed frame 12, the first fixed frame 11 is continuously close to the second fixed frame 12, the protruding blocks 11 are aligned with the grooves 13 and inserted into the grooves 13, and the filter screen is clamped between the first fixed frame 11 and the second fixed frame 12; the first fixing frame 11 and the second fixing frame 12 are inserted into the dust filtering bin 2 from a bottom socket of the dust filtering bin 2 and are upwards inserted into the clamping groove 14 to be completely placed in the dust filtering bin 2, the fixing plate 15 is abutted against the bottoms of the first fixing frame 11, the second fixing frame 12 and the connecting plate 16, and the fixing plate 15 is fixed on the connecting plate 16 by screwing bolts; starting a blower 5 to suck air from the air inlet pipe 1 and make the air enter the dust filtering bin 2, and filtering the sucked air by a filter screen; the filtered air enters a tubular heat exchanger 8 from one end of a connecting pipe 3 for heating, and the heated air enters a combustor 7 through a ventilation pipe 4 and a conduit 6; after the filter screen is used for a period of time, the blower 5 is firstly turned off, bolts on the fixing plate 15 are loosened, the handle 17 is pulled to take down the fixing plate 15, the first fixing frame 11 and the second fixing frame 12 are further taken down from the clamping groove 14 and taken out along the insertion opening of the dust filtering bin 2, the first fixing frame 11 is moved away from the second fixing frame 12, the protruding block 10 is moved out of the groove 13, then the filter screen which is separated from the clamping is taken down, the new filter screen is replaced, and the air is continuously filtered by using the new filter screen according to the steps.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (5)

1. The utility model provides a combustor air inlet structure with strain dirt function, its characterized in that, including air-supply line (1), strain dirt mechanism and ventilation pipe (4), it includes dust filter bin (2), filter screen and clamping assembly (9) to strain dirt mechanism, air-supply line (1) and dust filter bin (2) one end intercommunication, dust filter bin (2) other end intercommunication has connecting pipe (3), the filter screen passes through clamping assembly (9) and can dismantle the connection in dust filter bin (2), be connected with the heating unit that is used for heating air between connecting pipe (3) and ventilation pipe (4), be connected with air-blower (5) on ventilation pipe (4), the intercommunication has pipe (6) on air-blower (5), pipe (6) are connected with combustor (7).

2. The combustor air inlet structure with dust filtering function according to claim 1, wherein the clamping assembly (9) comprises a first fixing frame (11), a second fixing frame (12) and a fixing plate (15), a protruding block (10) is arranged on the first fixing frame (11), a groove (13) is arranged on the second fixing frame (12), the protruding block (10) is matched with the groove (13), the filter screen is clamped between the first fixing frame (11) and the second fixing frame (12), clamping grooves (14) and inserting holes are respectively formed in the periphery and the bottom of the inner wall of the dust filtering bin (2), the first fixing frame (11) and the second fixing frame (12) are slidably connected in the clamping grooves (14), the fixing plate (15) is in a boss shape, and the fixing plate (15) is detachably connected to the bottom of the dust filtering bin (2) and abuts against the first fixing frame (11) and the second fixing frame (12).

3. A burner air inlet structure with dust filtering function according to claim 2, characterized in that two connecting plates (16) are connected to the outside of the dust filtering bin (2), and the two connecting plates (16) are respectively connected with a fixing plate (15) through bolts.

4. A burner air intake structure with dust filtering function according to claim 3, characterized in that the heating unit is a tube heat exchanger (8).

5. A burner air intake structure with dust filtering function according to claim 4, characterized in that the fixing plate (15) is connected with a handle (17).

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