Flue gas denitration device of garbage incinerator

Abstract

The utility model discloses a flue gas denitration device of a garbage incinerator, which belongs to the technical field of garbage incinerators and comprises a lower denitration bin, and two sides of the top end of the lower denitration bin are respectively and fixedly connected with a support frame. According to the utility model, the lower filter plate and the upper filter plate are driven by the first multi-stage electric push rod and the second multi-stage electric push rod to get close to each other, and the denitration particles in the inner cavity of the main denitration bin are extruded by the lower filter plate and the upper filter plate, so that the denitration particles become dense; a second multi-stage electric push rod is used for driving an upper filter plate to reset to an inner cavity of the upper denitration bin, and a first multi-stage electric push rod is used for driving a lower filter plate to move up and down, so that denitration particles on the lower filter plate are jolted, the dense denitration particles become fluffy again, and it is guaranteed that the density of the denitration particles can be adjusted multiple times.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of garbage incinerator, more particularly to a kind of flue gas denitration device of garbage incinerator. BACKGROUND

[0002] Garbage incineration is the process that makes garbage become residue or molten solid material by proper thermal decomposition, combustion, melting and other reactions under high temperature oxidation.Garbage incineration facilities must be equipped with flue gas treatment facilities to prevent heavy metals, organic pollutants and other pollutants from being discharged into the environment again, and the flue gas needs to be denitration treated.

[0003] After searching, the utility model patent with publication number CN217698690U discloses a kind of SCR flue gas denitration device for garbage incinerator, including denitration device main body, the upper end of the denitration device main body is equipped with outlet, the inner end of the outlet is equipped with denitration bin, the lower end of the denitration bin is equipped with smoke inlet bin, the outer end of the smoke inlet bin is equipped with smoke inlet cylinder, the inner end of the smoke inlet cylinder is equipped with inlet, the upper end of the denitration bin is equipped with fixed filter plate, the lower end of the fixed filter plate is equipped with long screw rod, the outer end of the long screw rod is equipped with upper filter plate and lower filter plate, the outer end of the upper filter plate and lower filter plate is equipped with lug plate, the inner end of the lug plate is equipped with sliding hole;The patent utilizes motor to drive long screw rod to rotate, so that upper filter plate and lower filter plate move along slide groove towards or reversely, so that the density between denitration particles in denitration bin can be changed to facilitate denitration treatment of different smoke concentration.

[0004] But the above patent still has the following deficiencies: although upper filter plate and lower filter plate can adjust the density of denitration particles, when upper filter plate and lower filter plate compact denitration particles, it is inconvenient to make denitration particles become fluffy again, which affects the quality of multiple adjustments;It is inconvenient to replace denitration particles conveniently.Therefore we propose a kind of flue gas denitration device of garbage incinerator. UTILITY MODEL CONTENT

[0005] In view of the problems in the prior art, the purpose of the utility model is to provide a kind of flue gas denitration device of garbage incinerator.

[0006] To solve the above problems, the utility model adopts the following technical solutions:

[0007] The utility model provides a kind of flue gas denitrification device of waste incinerator, including lower denitration bin, the both sides of the top of the lower denitration bin are respectively fixedly connected with support frame, the inner side of the top of two support frames is fixedly connected with upper denitration bin, the side of the upper denitration bin is provided with exhaust port, the side of the lower denitration bin is provided with smoke inlet, drive mechanism is arranged between the lower denitration bin and the upper denitration bin, drive mechanism is provided with main denitration bin on it, and the main denitration bin is located between the lower denitration bin and the upper denitration bin, the inner chamber of the upper denitration bin is provided with extrusion mechanism, the bottom of the inner chamber of the main denitration bin is fixedly sleeved with lower support ring, the inside of the lower support ring is provided with first installation slot, the inner chamber of the first installation slot is fixedly installed with a plurality of first multistage electric push rods, and the output end of a plurality of first multistage electric push rods is extended to the top of lower support ring and is fixedly connected with lower filter plate, and the lower filter plate is provided with lower air hole, and the side of the lower filter plate and the inner wall of the main denitration bin are attached.

[0008] As a preferred scheme of the utility model, the extrusion mechanism includes upper support ring fixedly sleeved in the inner chamber of the upper denitration bin, the inside of the upper support ring is provided with second installation slot, the inner chamber of the second installation slot is fixedly installed with a plurality of second multistage electric push rods, and the output end of a plurality of second multistage electric push rods is extended to the bottom of upper support ring and is fixedly connected with upper filter plate, and the bottom of the upper filter plate is provided with a plurality of upper air holes.

[0009] As a preferred scheme of the utility model, the drive mechanism includes mounting frame fixedly connected between the lower denitration bin and the upper denitration bin, electric hydraulic rod is fixedly installed on the mounting frame, the output end of the electric hydraulic rod is fixedly connected with mounting box, the inner chamber of the mounting box is fixedly installed with band brake motor, and the output shaft of the band brake motor is extended to the outside of the mounting box and is connected with the side of the main denitration bin.

[0010] As a preferred scheme of the utility model, the inner diameter of the main denitration bin is equal to the inner diameter of the top of the lower denitration bin and the bottom of the upper denitration bin respectively, the bottom of the main denitration bin and the top of the lower denitration bin are attached, and the top of the main denitration bin and the bottom of the upper denitration bin are attached.

[0011] As a preferred scheme of the utility model, the outer diameter of the upper filter plate is equal to the inner diameter of the main denitration bin.

[0012] As a preferred scheme of the utility model, the top and the bottom of the upper support ring and the lower support ring are all provided with air guide inclined plane.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) The utility model discloses a first multistage electric push rod and second multistage electric push rod drive lower filter plate and upper filter plate to be close to each other, utilize lower filter plate and upper filter plate to the denitration granule in the denitration granule of main denitration bin cavity is extruded to make the denitration granule become compact, when need make denitration granule become fluffy again, utilize second multistage electric push rod drive upper filter plate reset to the inner chamber of upper denitration bin, utilize first multistage electric push rod drive lower filter plate moves up and down to the denitration granule on lower filter plate is jolted, make compact denitration granule become fluffy again, guarantee the density of denitration granule can be adjusted for many times.

[0015] (2) The utility model discloses when need to replace the denitration granule in the denitration granule of main denitration bin cavity, utilize electric hydraulic rod and drive main denitration bin to move to the outside of lower denitration bin and upper denitration bin, drive main denitration bin to rotate through band brake motor to pour out the denitration granule in the denitration granule of main denitration bin cavity, after pouring out, utilize band brake motor and drive main denitration bin reverse reset, put in new denitration granule in the inner chamber of main denitration bin, and utilize electric hydraulic rod and drive main denitration bin to move to between lower denitration bin and upper denitration bin again, realized convenient replacement of denitration granule's function, the good practicality. ACCURACY

[0016] Figure 1 It is whole structure schematic diagram of the utility model;

[0017] Figure 2 It is whole structure explosion drawing of the utility model;

[0018] Figure 3 It is whole cross section schematic diagram of the utility model;

[0019] Figure 4 It is cross section schematic diagram of the utility model lower support ring;

[0020] Figure 5 It is cross section schematic diagram of the utility model upper support ring.

[0021] Mark explanation in drawing:

[0022] 1, lower denitration bin;2, support frame;3, upper denitration bin;4, smoke outlet;5, drive mechanism;6, main denitration bin;7, lower support ring;8, first installation slot;9, first multistage electric push rod;10, lower filter plate;11, lower air hole;12, extrusion mechanism;13, upper support ring;14, second installation slot;15, second multistage electric push rod;16, upper filter plate;17, upper air hole;18, gas guide slope;19, mounting frame;20, electric hydraulic rod;21, installation box;22, band brake motor;23, smoke inlet. SPECIFIC IMPLEMENTATION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the devices or elements indicated or implied to have a specific orientation, structure and operation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] Embodiment:

[0027] Please refer to Figures 1-5 A flue gas denitration device of a waste incinerator, comprising a lower denitration bin 1, two support frames 2 are fixedly connected on the two sides of the top end of the lower denitration bin 1, the inner sides of the top ends of the two support frames 2 are fixedly connected with an upper denitration bin 3, a smoke exhaust port 4 is arranged on the side of the upper denitration bin 3, a smoke inlet 23 is arranged on the side of the lower denitration bin 1, a driving mechanism 5 is arranged between the lower denitration bin 1 and the upper denitration bin 3, a main denitration bin 6 is arranged on the driving mechanism 5, the main denitration bin 6 is located between the lower denitration bin 1 and the upper denitration bin 3, a pressing mechanism 12 is arranged in the inner cavity of the upper denitration bin 3, a lower support ring 7 is fixedly sleeved at the bottom of the inner cavity of the main denitration bin 6, a first installation groove 8 is arranged in the inner cavity of the lower support ring 7, a plurality of first multi-stage electric push rods 9 are fixedly installed in the first installation groove 8, the output ends of the plurality of first multi-stage electric push rods 9 extend to the top of the lower support ring 7 and are fixedly connected with a lower filter plate 10, a lower air permeable hole 11 is arranged on the lower filter plate 10, and the side surface of the lower filter plate 10 is in close contact with the inner wall of the main denitration bin 6.

[0028] In the embodiment, the inner cavity of the main denitration bin 6 and the top surface of the lower filter plate 10 are placed with denitration particles.

[0029] Specifically, please refer to Figure 2 , Figure 3 and Figure 5 , the extrusion mechanism 12 includes an upper support ring 13 fixedly sleeved in the inner cavity of the upper denitration bin 3, the inside of the upper support ring 13 is provided with a second mounting groove 14, the inner cavity of the second mounting groove 14 is fixedly installed with a plurality of second multi-stage electric push rods 15, the output ends of the plurality of second multi-stage electric push rods 15 are extended to the bottom of the upper support ring 13 and are fixedly connected with an upper filter plate 16, and the bottom surface of the upper filter plate 16 is provided with a plurality of upper air permeable holes 17.

[0030] Specifically, please refer to Figures 1 to 3 , the driving mechanism 5 includes a mounting frame 19 fixedly connected between the lower denitration bin 1 and the upper denitration bin 3, an electric hydraulic rod 20 fixedly installed on the mounting frame 19, an installation box 21 fixedly connected to the output end of the electric hydraulic rod 20, a band brake motor 22 fixedly installed in the inner cavity of the installation box 21, and the output shaft of the band brake motor 22 is extended to the outside of the installation box 21 and connected with the side surface of the main denitration bin 6.

[0031] In the embodiment, the electric hydraulic rod 20 drives the main denitration bin 6 to move to the outside of the lower denitration bin 1 and the upper denitration bin 3, and the band brake motor 22 drives the main denitration bin 6 to rotate, so that the denitration particles in the inner cavity of the main denitration bin 6 can be poured out, so as to replace the denitration particles.

[0032] Specifically, please refer to Figure 3 , the inner diameters of the main denitration bin 6 are equal to the inner diameters of the top of the lower denitration bin 1 and the bottom of the upper denitration bin 3, the bottom surface of the main denitration bin 6 is attached to the top surface of the lower denitration bin 1, and the top surface of the main denitration bin 6 is attached to the bottom surface of the upper denitration bin 3.

[0033] In the embodiment, the sealing property of the main denitration bin 6 between the lower denitration bin 1 and the upper denitration bin 3 is ensured.

[0034] Specifically, please refer to Figure 3 , the outer diameter of the upper filter plate 16 is equal to the inner diameter of the main denitration bin 6.

[0035] In the embodiment, it is ensured that the upper filter plate 16 can smoothly extend into the inner cavity of the main denitration bin 6, and the denitration particles in the inner cavity of the main denitration bin 6 can be extruded.

[0036] Specifically, please refer to Figure 3 and Figure 5 , the top and bottom of the upper support ring 13 and the lower support ring 7 are provided with air guide inclined surfaces 18.

[0037] In this embodiment, it is ensured that the flue gas can move smoothly in the inner cavity of the main denitration bin 6 and the smoke outlet 4, and the upper support ring 13 and the lower support ring 7 do not hinder the flow of the flue gas.

[0038] Working principle: when in use, the flue gas to be denitrated is introduced into the inner cavity of the lower denitration bin 1 from the smoke inlet 23, and the flue gas moves upward and enters the inner cavity of the main denitration bin 6 from the lower air permeable hole 11, and the flue gas is denitrated by the denitrated particles in the inner cavity of the main denitration bin 6, and the denitrated flue gas enters the inner cavity of the upper denitration bin 3 from the upper air permeable hole 17, and is discharged from the smoke outlet 4, and the first multi-stage electric push rod 9 and the second multi-stage electric push rod 15 can be started respectively to drive the lower filter plate 10 and the upper filter plate 16 to move close to each other, and the denitrated particles in the inner cavity of the main denitration bin 6 are extruded by the lower filter plate 10 and the upper filter plate 16, so that the denitrated particles become dense, when it is needed to make the denitrated particles become fluffy again, the second multi-stage electric push rod 15 is used to drive the upper filter plate 16 to reset to the inner cavity of the upper denitration bin 3, the first multi-stage electric push rod 9 is started to drive the lower filter plate 10 to move up and down, so as to agitate the denitrated particles on the lower filter plate 10, so that the dense denitrated particles become fluffy again, when it is needed to replace the denitrated particles in the inner cavity of the main denitration bin 6, the electric hydraulic rod 20 is started to drive the installation box 21 and the main denitration bin 6 to move away from between the lower denitration bin 1 and the upper denitration bin 3, so that the main denitration bin 6 moves to the outside of the lower denitration bin 1 and the upper denitration bin 3, at this time, the brake motor 22 is started to drive the main denitration bin 6 to rotate 180 degrees, so that the denitrated particles in the inner cavity of the main denitration bin 6 are poured out, after pouring out, the brake motor 22 is used to drive the main denitration bin 6 to reverse 180 degrees to reset the main denitration bin 6, and new denitrated particles are put into the inner cavity of the main denitration bin 6, and the electric hydraulic rod 20 is used to drive the main denitration bin 6 to move to between the lower denitration bin 1 and the upper denitration bin 3 again.

[0039] The above merely describes a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A flue gas denitration device of a waste incinerator, comprising a lower denitration bin (1), characterized in that: The both sides of the top of the lower denitration bin (1) are fixedly connected with support frames (2), the inner sides of the top of the two support frames (2) are fixedly connected with upper denitration bins (3), the side of the upper denitration bin (3) is provided with a smoke exhaust port (4), the side of the lower denitration bin (1) is provided with a smoke inlet (23), a driving mechanism (5) is arranged between the lower denitration bin (1) and the upper denitration bin (3), a main denitration bin (6) is arranged on the driving mechanism (5), the main denitration bin (6) is located between the lower denitration bin (1) and the upper denitration bin (3), the inner cavity of the upper denitration bin (3) is provided with an extrusion mechanism (12), the bottom of the inner cavity of the main denitration bin (6) is fixedly sleeved with a lower support ring (7), the inside of the lower support ring (7) is provided with a first mounting groove (8), a plurality of first multi-stage electric push rods (9) are fixedly installed in the inner cavity of the first mounting groove (8), the output ends of the plurality of first multi-stage electric push rods (9) extend to the top of the lower support ring (7) and are fixedly connected with a lower filter plate (10), the lower filter plate (10) is provided with a lower air permeation hole (11), and the side of the lower filter plate (10) is attached to the inner wall of the main denitration bin (6).

2. The flue gas denitration device of a waste incinerator according to claim 1, characterized in that: The extrusion mechanism (12) comprises an upper support ring (13) fixedly sleeved in the inner cavity of the upper denitration bin (3), the inside of the upper support ring (13) is provided with a second mounting groove (14), a plurality of second multi-stage electric push rods (15) are fixedly installed in the inner cavity of the second mounting groove (14), the output ends of the plurality of second multi-stage electric push rods (15) extend to the bottom of the upper support ring (13) and are fixedly connected with an upper filter plate (16), and the bottom surface of the upper filter plate (16) is provided with a plurality of upper air permeation holes (17).

3. The device for flue gas denitration of a waste incinerator according to claim 1, characterized in that: The driving mechanism (5) comprises a mounting frame (19) fixedly connected between the lower denitration bin (1) and the upper denitration bin (3), an electric hydraulic rod (20) is fixedly installed on the mounting frame (19), the output end of the electric hydraulic rod (20) is fixedly connected with a mounting box (21), a band-type brake motor (22) is fixedly installed in the inner cavity of the mounting box (21), and the output shaft of the band-type brake motor (22) extends to the outside of the mounting box (21) and is connected with the side of the main denitration bin (6).

4. The device for flue gas denitration of a waste incinerator according to claim 1, characterized in that: The inner diameters of the main denitration bin (6) are equal to the inner diameters of the top of the lower denitration bin (1) and the bottom of the upper denitration bin (3), the bottom surface of the main denitration bin (6) is attached to the top surface of the lower denitration bin (1), and the top surface of the main denitration bin (6) is attached to the bottom surface of the upper denitration bin (3).

5. The device for flue gas denitration of a waste incinerator according to claim 2, characterized in that: The outer diameter of the upper filter plate (16) is equal to the inner diameter of the main denitration bin (6).

6. The device for flue gas denitration of a waste incinerator according to claim 2, characterized in that: The top and the bottom of the upper support ring (13) and the lower support ring (7) are provided with air guide inclined surfaces (18).

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