Flue gas dedusting and denitration integrated catalytic ceramic filter

Abstract

The utility model relates to the technical field of ceramic filters, and discloses a flue gas dedusting and denitration integrated catalytic ceramic filter which comprises a catalytic ceramic filter device, a gas inlet pipe is fixedly connected to the outer side of the lower end of the catalytic ceramic filter device, and an exhaust pipe is fixedly connected to the upper end of the catalytic ceramic filter device. A sealing assembly is fixedly connected to the middle end of the air inlet pipe, a protection assembly is fixedly connected to the upper end of the sealing assembly, a power assembly is fixedly connected to the interior of the protection assembly, a filtering assembly is meshed with the lower end of the power assembly, and a cleaning assembly is fixedly connected to the middle end of the sealing assembly. When the flue gas dust removal and denitration integrated catalytic ceramic filter is used, dust in entering flue gas can be pre-filtered, so that entering of the dust in the gas is reduced, the cleaning interval duration and frequency of a ceramic filter in the catalytic ceramic filter device are effectively prolonged, and the use convenience is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ceramic filter technical field, specifically, relate to a flue gas dedusting and denitration integrated catalytic ceramic filter. BACKGROUND

[0002] Flue gas dedusting and denitration integrated catalytic ceramic filter is a device for treating the smoke dust generated by coal combustion in the coal boiler, and the dedusting and denitration mode is that the oxygen of coal is input into the ceramic filter through the connecting pipeline, then the denitration treatment is carried out by the way of dropping liquid nitrogen, and then the dust in the flue gas is filtered by the ceramic filter, so that the oxygen dedusting and denitration integrated treatment is realized.

[0003] Through the search, the application number CN201720780914.3 proposes a coal-fired flue gas dedusting and denitration integrated device, the boiler is connected with the dedusting and denitration integrated device, the dedusting and denitration integrated device is connected with the air preheater, the air preheater is connected with the FGD desulfurization device, and the FGD desulfurization device is connected with the chimney, the dedusting and denitration integrated device includes a plurality of dedusting and denitration integrated modules, all the dedusting and denitration integrated modules are assembled into the dedusting and denitration integrated device, the dedusting and denitration integrated module includes a plurality of ceramic filter catalyst monomers, all the ceramic filter catalyst monomers are assembled into the dedusting and denitration integrated module, the ceramic filter catalyst monomer includes a monomer outer layer and a monomer inner layer, the monomer inner layer is arranged on the inner side of the monomer outer layer, and the monomer outer layer is a microporous filter, in the above prior art, the dedusting and denitration module is assembled to form an integrated device, so that the process flow is effectively simplified, and investment, land occupation and operating cost are reduced.

[0004] In the above prior art, when the flue gas enters the catalytic ceramic filter through the pipeline for treatment, since the flue gas contains a large amount of dust particles, a large amount of dust particles entering the ceramic filter can easily cause the filter inside the ceramic filter to be blocked, thereby reducing the filtering effect of the ceramic filter, and frequent and regular cleaning is required, so that the flue gas dedusting and denitration integrated catalytic ceramic filter is inconvenient to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a flue gas dedusting and denitration integrated catalytic ceramic filter, solving the problem that in the prior art, the flue gas dedusting and denitration integrated catalytic ceramic filter is inconvenient to pre-filter the dust in the flue gas injected into the pipeline when treating the flue gas, so that the internal parts of the ceramic filter are easily blocked and need to be cleaned frequently and regularly.

[0006] The utility model provides following technical scheme: a flue gas dust removal denitration integration's catalytic ceramic filter, including catalytic ceramic filter device, the lower end outside of catalytic ceramic filter device is fixedly connected with the air inlet pipe, and the catalytic ceramic filter device upper end is fixedly connected with the exhaust pipe, the air inlet pipe middle end is fixedly connected with the sealing assembly, and the sealing assembly upper end is fixedly connected with the protection subassembly, the protection subassembly inside is fixedly connected with the power component, and the power component lower end is engaged with the filter component, the sealing assembly middle end is fixedly connected with the cleaning component, and the air inlet pipe lower end is fixedly connected with the collection component.

[0007] As the preferred of above technical scheme, the sealing assembly includes the sealing cover plate that air inlet pipe upper end sticks, and sealing cover plate both ends are fixedly connected with first connecting plate, first connecting plate lower side sticks with second connecting plate, and second connecting plate is fixedly connected on air inlet pipe with one end close to air inlet pipe, first connecting plate and second connecting plate middle end are engaged with bolt.

[0008] As the preferred of above technical scheme, the protection subassembly includes the protection cover that sealing cover plate upper end is fixedly connected, and protection cover both ends are set with the heat dissipation groove.

[0009] As the preferred of above technical scheme, the power component includes the motor that protection cover lower end is fixedly connected, and the gear that motor output shaft is fixedly connected.

[0010] As the preferred of above technical scheme, the filter component includes the gear ring that gear lower end is set, and gear ring upper end both ends are fixedly connected on sealing cover plate, and the filter screen that gear ring middle end is rotatably connected has, and the filter screen upper end is engaged with gear connection.

[0011] As the preferred of above technical scheme, the cleaning component includes the first fixed plate that sealing cover plate middle end inside is fixedly connected, and first fixed plate is fixedly connected with fixed rod with one end away from sealing cover plate, and the second fixed plate that fixed rod is fixedly connected with one end away from first fixed plate, and the cleaning brush that second fixed plate is fixedly connected with one end away from fixed rod.

[0012] As the preferred of above technical scheme, the collection component includes the dust exhaust pipe that air inlet pipe middle end lower side is fixedly connected, and the dust exhaust pipe lower end is fixedly connected with the collection box, and the cabinet door that collection box is rotatably connected with one end away from catalytic ceramic filter device.

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

[0014] The integrated catalytic ceramic filter for flue gas dust removal and denitration is used for treating flue gas, the sealing assembly is used for inserting and mounting the filtering assembly and the cleaning assembly into the air inlet pipe, then the power assembly is started under the protection of the protection assembly, the power assembly drives the filtering assembly to rotate, so that the cleaning assembly cleans the outside of the filtering assembly, then the air inlet pipe is connected with the exhaust port of the coal boiler, when the flue gas discharged from the exhaust port passes through the air inlet pipe, the filtering assembly is used for filtering, the cleaning assembly is used for cleaning the filtered dust, the cleaned dust falls into the collecting assembly for collection, and the filtered flue gas is injected into the catalytic ceramic filter device for denitration and secondary filtering treatment, so that the integrated catalytic ceramic filter for flue gas dust removal and denitration can pre-filter the dust in the entering flue gas, the entering dust in the gas is reduced, the cleaning interval and frequency of the ceramic filter in the catalytic ceramic filter device are effectively prolonged, and the use convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of an integrated catalytic ceramic filter for flue gas dust removal and denitration.

[0016] Figure 2 It is an enlarged schematic view of the sectional structure of the air inlet pipe of an integrated catalytic ceramic filter for flue gas dust removal and denitration.

[0017] Figure 3 It is an enlarged schematic view of the sectional structure of the sealing cover plate of an integrated catalytic ceramic filter for flue gas dust removal and denitration.

[0018] Figure 4 It is a schematic view of the internal structure of the air inlet pipe, the sealing cover plate and the protection cover of an integrated catalytic ceramic filter for flue gas dust removal and denitration.

[0019] In the figure: 1, catalytic ceramic filter device; 11, air inlet pipe; 12, exhaust pipe; 2, sealing cover plate; 21, first connecting plate; 22, second connecting plate; 23, bolt; 3, protection cover; 31, heat dissipation groove; 4, motor; 41, gear; 5, gear ring; 51, filter screen; 6, first fixed plate; 61, fixed rod; 62, second fixed plate; 63, cleaning brush; 7, dust discharge pipe; 71, collecting box; 72, cabinet door. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiment.

[0021] As Figure 1 - Figure 4As shown, the utility model provides a technical scheme: a flue gas dust removal and denitration integrated catalytic ceramic filter, including catalytic ceramic filter device 1, catalytic ceramic filter device 1 lower end outside fixedly connected with air inlet pipe 11, and catalytic ceramic filter device 1 upper end fixedly connected with exhaust pipe 12, air inlet pipe 11 middle end fixedly connected with sealing assembly, and sealing assembly upper end fixedly connected with protection assembly, protection assembly inside fixedly connected with power assembly, and power assembly lower end is engaged with filter assembly, sealing assembly middle end fixedly connected with cleaning assembly, and air inlet pipe 11 lower end fixedly connected with collection assembly, when treating flue gas, first sealing assembly drives filter assembly and cleaning assembly and inserts to install in air inlet pipe 11, then starts power assembly under the protection of protection assembly, power assembly drives filter assembly to rotate after starting, to let cleaning assembly clean outside filter assembly, then connect air inlet pipe 11 with the exhaust port of coal boiler, when the flue gas of exhaust port after connection passes through in air inlet pipe 11, filter assembly is used to filter, and cleaning assembly is used to clean the dust filtered out, and the dust falling after cleaning is collected in collection assembly, and the flue gas after filtering is injected into catalytic ceramic filter device 1 and is treated with denitration and secondary filtration, so that the flue gas dust removal and denitration integrated catalytic ceramic filter can carry out prefiltering treatment to the dust in the flue gas entering, thereby reducing the entry of dust in gas, effectively prolonging the cleaning interval length and frequency of ceramic filter inside catalytic ceramic filter device 1, and then improving the use convenience.

[0022] As Figure 3 Shown, sealing assembly includes the sealing cover plate 2 of air inlet pipe 11 upper end adhesion, and sealing cover plate 2 both ends are fixedly connected with first connecting plate 21, and the lower side of first connecting plate 21 is attached with second connecting plate 22, and one end of second connecting plate 22 close to air inlet pipe 11 is fixedly connected on air inlet pipe 11, and the middle end of first connecting plate 21 and second connecting plate 22 is engaged with bolt 23, and sealing cover plate 2 is installed, and when installing, sealing cover plate 2 drives gear ring 5 and first fixed plate 6 etc. are inserted into air inlet pipe 11, when inserting ends, first connecting plate 21 and second connecting plate 22 are attached, then bolt 23 is penetrated and screwed into first connecting plate 21 and second connecting plate 22 for fixing, to facilitate the insertion of filter assembly and cleaning assembly into air inlet pipe 11 for installation.

[0023] As Figure 1 And Figure 2 Shown, protection assembly includes the protection cover 3 of sealing cover plate 2 upper end fixed connection, and protection cover 3 both ends are provided with heat dissipation groove 31, to facilitate the protection of power assembly etc. by protection cover 3, and the heat dissipation effect is enhanced by heat dissipation groove 31.

[0024] As Figure 2As shown in the figure, the power assembly includes the motor 4 fixedly connected to the lower end of the protective cover 3, and the gear 41 fixedly connected to the output shaft of the motor 4. The motor 4 is started to drive the gear 41 to rotate through the output shaft, thereby providing power output.

[0025] As shown in the figure, Figure 2 , Figure 3 and Figure 4 , the filter assembly includes the gear ring 5 sleeved on the lower end of the gear 41, and the gear ring 5 is fixedly connected to the sealing cover plate 2 at both ends of the upper end. The filter screen 51 is rotatably connected to the middle end of the gear ring 5, and the upper end of the filter screen 51 is engagedly connected with the gear 41. The gear 41 drives the filter screen 51 to rotate under the support of the gear ring 5 through the engagement with the filter screen 51, thereby filtering the flue gas by using the filter screen 51, and cleaning the filtered flue gas in cooperation with the cleaning assembly.

[0026] As shown in the figure, Figure 4 , the cleaning assembly includes the first fixed plate 6 fixedly connected to the inner side of the middle end of the sealing cover plate 2, and the fixed rod 61 is fixedly connected to one end of the first fixed plate 6 away from the sealing cover plate 2. The second fixed plate 62 is fixedly connected to one end of the fixed rod 61 away from the first fixed plate 6, and the cleaning brush 63 is fixedly connected to one end of the second fixed plate 62 away from the fixed rod 61. The cleaning brush 63 sweeps the dust attached to the surface of the filter screen 51 under the support of the first fixed plate 6, the fixed rod 61 and the second fixed plate 62, and the swept dust falls into the collecting assembly for storage, thereby facilitating the cleaning of the dust filtered on the surface of the filter screen 51.

[0027] As shown in the figure, Figure 1 and Figure 2 , the collecting assembly includes the dust discharge pipe 7 fixedly connected to the lower side of the middle end of the air inlet pipe 11, and the collecting box 71 is fixedly connected to the lower end of the dust discharge pipe 7. The cabinet door 72 is rotatably connected to one end of the collecting box 71 away from the catalytic ceramic filter device 1, thereby facilitating the storage of dust by using the collecting box 71, and the dust in the collecting box 71 can be cleaned after the cabinet door 72 is opened subsequently.

[0028] Working principle: before the boiler flue gas processing, first to the sealing cover plate 2 and so on installation, installation will sealing cover plate 2 drive tooth ring 5 and first fixed plate 6 and so on insert into the air inlet pipe 11, insert end first connecting plate 21 and second connecting plate 22 adhere, then the bolt 23 is penetrated into the first connecting plate 21 and second connecting plate 22 and is fixed, then the air inlet pipe 11 is connected with the exhaust port of boiler, after connecting, when needing to treat flue gas, under the protection of the protection cover 3 and the heat dissipation groove 31, start motor 4, the output shaft of motor 4 drives gear 41 to rotate, gear 41 rotates and is engaged with filter screen 51, let filter screen 51 rotate under the support of tooth ring 5, then inject flue gas from air inlet pipe 11, and the flue gas is filtered by filter screen 51, after the dust in the flue gas is filtered by filter screen 51, the dust is attached on filter screen 51, and at this time, the dust attached on the surface of filter screen 51 is cleaned by cleaning brush 63 under the support of first fixed plate 6, fixed rod 61 and second fixed plate 62, the dust cleaned falls into collecting box 71 from dust exhaust pipe 7 and is stored, subsequently, the dust stored in collecting box 71 can be cleaned by opening cabinet door 72, and the filtered flue gas enters catalytic ceramic filter device 1 and is treated by desulfurization and secondary filtration, and the treated gas is discharged from exhaust pipe 12.

[0029] The above examples are only used to illustrate the technical scheme of the present application, and not to limit it.

Claims

1. A flue gas dedusting and denitration integrated catalytic ceramic filter, comprising a catalytic ceramic filter device (1), characterized in that: The lower outer side of the catalytic ceramic filter device (1) is fixedly connected with an air inlet pipe (11), and the upper end of the catalytic ceramic filter device (1) is fixedly connected with an exhaust pipe (12), the middle end of the air inlet pipe (11) is fixedly connected with a sealing assembly, and the upper end of the sealing assembly is fixedly connected with a protection assembly, the inside of the protection assembly is fixedly connected with a power assembly, and the lower end of the power assembly is engaged with a filtering assembly, the middle end of the sealing assembly is fixedly connected with a cleaning assembly, and the lower end of the air inlet pipe (11) is fixedly connected with a collecting assembly.

2. The flue gas dedusting and denitration integrated catalytic ceramic filter according to claim 1, characterized in that: The sealing assembly comprises a sealing cover plate (2) attached to the upper end of the air inlet pipe (11), and the two ends of the sealing cover plate (2) are fixedly connected with first connecting plates (21), the lower side of the first connecting plates (21) is attached with second connecting plates (22), and one end of the second connecting plates (22) close to the air inlet pipe (11) is fixedly connected to the air inlet pipe (11), and the middle ends of the first connecting plates (21) and the second connecting plates (22) are engaged with bolts (23) penetrating therethrough.

3. The flue gas dedusting and denitration integrated catalytic ceramic filter according to claim 2, characterized in that: The protection assembly comprises a protective cover (3) fixedly connected to the upper end of the sealing cover plate (2), and heat dissipation grooves (31) are formed in the two ends of the protective cover (3).

4. The flue gas dedusting and denitration integrated catalytic ceramic filter according to claim 3, characterized in that: The power assembly comprises a motor (4) fixedly connected to the lower end of the protective cover (3), and a gear (41) fixedly connected to the output shaft of the motor (4).

5. The flue gas dedusting and denitration integrated catalytic ceramic filter according to claim 4, characterized in that: The filtering assembly comprises a gear ring (5) sleeved on the lower end of the gear (41), and the upper ends of the gear ring (5) are fixedly connected to the sealing cover plate (2), and a filter screen (51) is rotatably connected to the middle end of the gear ring (5), and the upper end of the filter screen (51) is engagedly connected with the gear (41).

6. The flue gas dedusting and denitration integrated catalytic ceramic filter according to claim 2, characterized in that: The cleaning assembly comprises a first fixed plate (6) fixedly connected to the inner side of the middle end of the sealing cover plate (2), a fixed rod (61) fixedly connected to one end of the first fixed plate (6) away from the sealing cover plate (2), a second fixed plate (62) fixedly connected to one end of the fixed rod (61) away from the first fixed plate (6), and a cleaning brush (63) fixedly connected to one end of the second fixed plate (62) away from the fixed rod (61).

7. The flue gas dedusting and denitration integrated catalytic ceramic filter according to claim 1, characterized in that: The collecting assembly comprises a dust discharge pipe (7) fixedly connected to the lower side of the middle end of the air inlet pipe (11), and a collecting box (71) fixedly connected to the lower end of the dust discharge pipe (7), and a cabinet door (72) rotatably connected to one end of the collecting box (71) away from the catalytic ceramic filter device (1).

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