CN216302721U

CN216302721U - Grading storage device for waste catalyst

Info

Publication number: CN216302721U
Application number: CN202122572351.8U
Authority: CN
Inventors: 方冬美; 杨志明; 何宏亮; 黄荣鑫
Original assignee: Tongren Chengyi Environmental Protection Technology Co ltd
Current assignee: Tongren Chengyi Environmental Protection Technology Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-15
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to the technical field of catalyst recovery equipment, and discloses a grading storage device for waste catalysts, which comprises a feeder and a vibrating screen connected to a discharge port of the feeder, wherein a first-stage discharge port of the vibrating screen is connected with a crushing device, a discharge port of the crushing device is connected with a conveying device, a discharge port of the conveying device is connected with a feed port of the vibrating screen, a second-stage discharge port of the vibrating screen is connected with a first storage bin, and a third-stage discharge port of the vibrating screen is connected to a second storage bin; the vibrating screen is arranged in the sealing assembly, an air suction pipeline is arranged at the top of the sealing assembly, and a cyclone dust collector is connected to the air suction pipeline. The utility model can improve the grading storage effect of the waste catalyst, avoid dust leakage, and is efficient and environment-friendly.

Description

Grading storage device for waste catalyst

Technical Field

The utility model relates to the technical field of catalyst recovery equipment, in particular to a grading storage device for waste catalysts.

Background

In the process of desulfurization and denitrification of boiler flue gas, SCR catalyst is needed for catalytic reaction. The SCR catalyst used in industry is catalytic mass body of metal oxide such as V2O5-WO3, etc. which is mainly composed of TiO2 as carrier, and the metal oxide component accounts for more than 90% of the total mass of the catalytic mass body, and the rest trace components are added according to the specific coal type of boiler combustion products.

In-process of retrieving SCR catalyst block, mainly adopt the mode of breakage, screening to retrieve among the prior art, this dust production volume of retrieving in-process is great, can not carry out high-efficient the retrieving to the dust of breakage, screening catalyst block in-process among the prior art, influences the surrounding environment easily, and the metallic oxide who contains in the dust can not be retrieved, has leaded to the waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grading storage device for a waste catalyst, which can improve the dust recovery effect in the catalyst block recovery process.

In order to achieve the aim, the utility model provides a grading storage device for waste catalysts, which comprises a feeder and a vibrating screen connected to a discharge port of the feeder, wherein a crushing device is connected to a first-stage discharge port of the vibrating screen, a conveying device is connected to a discharge port of the crushing device, a discharge port of the conveying device is connected with a feed port of the vibrating screen, a second-stage discharge port of the vibrating screen is connected with a first storage bin, and a third-stage discharge port of the vibrating screen is connected to a second storage bin;

the vibrating screen is arranged in the sealing assembly, an air suction pipeline is arranged at the top of the sealing assembly, and a cyclone dust collector is connected to the air suction pipeline.

As preferred scheme, the shale shaker includes the bank of screens, connects a plurality of screen cloth on the bank of screens, is connected with the vibration exciter that three vibration phase place is different on the bank of screens, and the transmission is connected with the motor on the vibration exciter, and the screen cloth level sets up.

As preferred scheme, the quantity of screen cloth is two, and the mesh number of top screen cloth is greater than the mesh number of below screen cloth, and the tip of two screen cloths is located respectively to first-order discharge gate, second grade discharge gate.

As preferred scheme, three-level discharge gate is located the below of two screens.

As preferred scheme, seal assembly includes the casing, connects the support on the casing inside wall, and the bank screen is connected on the bank screen, and the articulated side door that is connected with on the lateral wall of casing.

Preferably, the conveying device is a conveyor belt or a screw conveyor.

As preferred scheme, the second storage bin is arranged below the three-level discharge hole.

As the preferred scheme, a suction fan is arranged in the air suction pipeline, and a dust collecting bin is connected to a dust discharging port of the cyclone dust collector.

Preferably, the feeder comprises an inclined feed hopper to which a freely hanging sealing curtain is attached.

The utility model provides a grading storage device for waste catalysts, which comprises a feeder and a vibrating screen connected to a discharge port of the feeder, wherein the feeder is used for feeding materials to the vibrating screen, and the vibrating screen is used for screening the materials fed by the feeder so as to be convenient for grading and recycling catalyst particles with different particle sizes. The first-level discharge port of the vibrating screen is connected with a crushing device, the discharge port of the crushing device is connected with a first conveying device, the discharge port of the first conveying device is connected with the feed port of the vibrating screen, the crushing device can crush the catalyst blocks, the crushed catalyst blocks are sieved again by the vibrating screen, the second-level discharge port of the vibrating screen is connected with a second conveying device, the discharge port of the second conveying device is connected with the feed port of the vibrating screen, the vibrating screen can sieve the catalyst blocks discharged from the second-level discharge port again, the catalyst block materials are fully screened, a three-stage discharge port of the vibrating screen is connected to a storage bin, the materials screened for three times are fully screened, the fine catalyst block materials are stored in the storage bin, and the coarse particle materials are crushed into the fine particle materials to be stored;

the vibrating screen is arranged in the sealing assembly, an air suction pipeline is arranged at the top of the sealing assembly, and a cyclone dust collector is connected to the air suction pipeline. Through setting up seal assembly and cyclone for material before the breakage, material after the breakage all make the dust by abundant collection at the in-process of screening material through vibration, dust absorption, realize the abundant separation to the attached dust on the catalyst block, the dust that produces in the crushing process, realized hierarchical storage, environmental protection and dust removal effect are good.

Drawings

FIG. 1 is a schematic configuration diagram of a staged storage device for spent catalyst in an embodiment of the present invention;

FIG. 2 is a front view of a seal assembly in an embodiment of the present invention;

in the figure, 100, feeders; 110. a feed hopper; 111. a sealing curtain; 200. vibrating screen; 201. a screen frame; 202. screening a screen; 203. a vibration exciter; 210. a first-stage discharge hole; 220. a secondary discharge hole; 230. a third-stage discharge hole; 300. a crushing device; 310. a conveying device; 410. a first storage bin; 420. a second storage bin; 500. a seal assembly; 501. a housing; 502. a support; 503. a side door; 510. an air suction pipeline; 511. a suction fan; 512. a dust collection bin; 520. a cyclone dust collector.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 and 2, the grading storage device for waste catalysts according to the preferred embodiment of the present invention can store catalyst block materials in grades, separate dust sufficiently, improve environmental protection effect, and avoid material waste.

Based on the above technical scheme, the present embodiment provides a hierarchical storage device of spent catalyst, including feeder 100, connect the shale shaker 200 in feeder 100 discharge gate, feeder 100 is used for carrying out the pay-off to shale shaker 200, and shale shaker 200 can carry out the hierarchical screening to the catalyst lump material of different granularity.

In particular, the vibrating screen 200 is a multi-stage vibrating screen, i.e. the vibrating screen 200 is provided with a plurality of screens for screening the material. Wherein, be connected with breaker 300 on the one-level discharge gate 210 of shale shaker 200, the material is before the breakage, through the vibration of shale shaker 200, can drop the dust vibration on the catalyst block, can realize the first separation to dust in the catalyst block material, also can carry out the first screening to the material, the material enters into breaker 300 after vibration removes dust, breaker 300 can carry out the breakage to the catalyst block, the material after the breakage is sieved through shale shaker 200 once more.

Specifically, be connected with conveyor 310 on breaker 300's the discharge gate, conveyor 310 is used for carrying the shale shaker 200 to breaker 300's ejection of compact on, and conveyor 310's discharge gate is connected with the feed inlet of shale shaker 200, and wherein, breaker 300 is the impact crusher, can realize being the material of different granularities to the material breakage through the breakage.

Specifically, the second-stage discharge port 220 of the vibrating screen 200 is connected with a first storage bin 410, and the first storage bin 410 is used for storing the material at the second-stage discharge port 220 of the vibrating screen 200, that is, the material with the intermediate particle size crushed by the crushing device 300 is stored, that is, the classified storage at the first stage is realized.

Specifically, the third-level discharge port 230 of the vibrating screen 200 is connected to the second storage bin 420, and the third-level discharge port 230 is used for discharging the finest-grained material obtained by crushing the material of the catalyst block, so that the grading of the material of the first-level granularity is realized.

Specifically, in seal assembly 500 was located to shale shaker 200, seal assembly 500 was used for removing dust to whole hierarchical storage process, collect dirt, seal assembly 500's top is equipped with air suction pipe 510, air suction pipe 510 is arranged in sucking the dust of raising up in the shale shaker 200 in seal assembly 500, be connected with cyclone 520 on the air suction pipe 510, the dust of suction carries out cyclone through cyclone 520, the dust separation to the catalyst block material has been realized, the dust storehouse is connected to cyclone 520's dust exhaust mouth, the storage to the dust of catalyst block material has been realized through the dust storehouse.

Specifically, through mutual cooperation of the vibrating screen 200, the sealing assembly 500 and the cyclone dust collector 520, the dust in the screening process of the vibrating screen 200 can be efficiently collected, and the secondary discharge port 220 and the tertiary discharge port 230 of the vibrating screen 200 can separate the particle materials of the catalyst blocks, so that the classified storage of the materials of the catalyst blocks is realized.

Preferably, the vibrating screen 200 comprises a screen frame 201 and a plurality of screen meshes 202 connected to the screen frame 201, the screen frame 201 is a fixing frame of the vibrating screen 200, the screen frame 201 is made by cutting angle steel, the screen frame 201 is connected with three vibration exciters 203 with different vibration phases, the vibration exciters 203 are eccentric rotors connected to a rotating shaft, and the three vibration exciters 203 are in meshed transmission through gears connected to the rotating shaft, so that the linked rotation of the three vibration exciters 203 is realized. Wherein, the transmission is connected with the motor on vibration exciter 203, and the motor passes through belt transmission to be connected on the pivot of vibration exciter 203.

Specifically, the screen 202 is horizontally disposed, and the material on the screen 202 is horizontally transferred forward by the vibration of the vibration sieve 200.

Preferably, the number of the screens 202 is two, the mesh number of the screen 202 above is greater than the mesh number of the screen 202 below, and the first-stage discharge port 210 and the second-stage discharge port 220 are respectively arranged at the end parts of the two screens 202, so that the first-stage discharge port 210 and the second-stage discharge port 220 can transmit materials with different particle sizes to the end parts of the screens 202, and further, the materials with different particle sizes can be conveniently crushed or stored.

Preferably, three-level discharge port 230 is provided below two screens 202, and three-level discharge port 230 can directly discharge the material of finest granularity, is convenient for store.

Preferably, the sealing assembly 500 comprises a housing 501, a bracket 502 connected to the inner side wall of the housing 501, a screen frame 201 connected to the bracket 502, and a side door 503 hinged to the side wall of the housing 501. Casing 501 is made through steel sheet welded connection, and support 502 is used for fixing sieve frame 201, and sieve frame 201 passes through spring swing joint on support 502, and then makes things convenient for sieve frame 201 to vibrate on support 502, and wherein, vibration exciter 203 drive sieve frame 201 vibration.

Wherein the crushing device 300 may be disposed in the seal assembly 500, the crushing device 300 may also be disposed outside the seal assembly 500.

Preferably, the conveying device 310 is a conveyer belt or a screw conveyor, the conveying device 310 may be a plurality of conveyer belts cooperating with each other, or may be a screw conveyor, and conveys the material to the feeder 100, and the feeder 100 is also capable of receiving the material to be classified conveyed from the outside.

Preferably, the second storage bin 420 is disposed below the third-stage discharge port 230, so that the second storage bin 420 can directly receive the material.

Preferably, a suction fan 511 is arranged in the suction duct 510, and a dust collecting bin 512 is connected to a dust discharging port of the cyclone 520. An air suction duct 510 is provided through the housing 501, and a suction fan 511 is an axial flow fan, and the cyclone 520 is powered by the suction fan 511 to transfer dust into the dust bin 512.

Preferably, the feeder 100 comprises an inclined feed hopper 110, to which hopper 110 a freely hanging sealing curtain 111 is attached. The feeder 100 is connected in the housing 501 of the sealing assembly 500, the feed hopper 110 is of a funnel-shaped structure, the feeding of the materials is realized, and the sealing curtain 111 can prevent a large amount of air flow from entering the sealing assembly 500.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The grading storage device for the waste catalyst is characterized by comprising a feeder (100) and a vibrating screen (200) connected to a discharge port of the feeder (100), wherein a crushing device (300) is connected to a first-stage discharge port (210) of the vibrating screen (200), a conveying device (310) is connected to a discharge port of the crushing device (300), a discharge port of the conveying device (310) is connected with a feed port of the vibrating screen (200), a second-stage discharge port (220) of the vibrating screen (200) is connected with a first storage bin (410), and a third-stage discharge port (230) of the vibrating screen (200) is connected to a second storage bin (420);

the vibrating screen (200) is arranged in the sealing assembly (500), the top of the sealing assembly (500) is provided with an air suction pipeline (510), and the air suction pipeline (510) is connected with a cyclone dust collector (520).

2. The staged storage device for spent catalyst according to claim 1, wherein the vibrating screen (200) comprises a screen frame (201) and a plurality of screens (202) connected to the screen frame (201), three vibration exciters (203) with different vibration phases are connected to the screen frame (201), a motor is connected to the vibration exciters (203), and the screens (202) are horizontally arranged.

3. The apparatus for classifying a spent catalyst according to claim 2, wherein the number of the mesh screens (202) is two, the mesh number of the upper mesh screen (202) is larger than that of the lower mesh screen (202), and the first-stage discharge port (210) and the second-stage discharge port (220) are respectively provided at the ends of the two mesh screens (202).

4. The staged storage device for spent catalyst according to claim 3, wherein the tertiary discharge port (230) is provided below the two screens (202).

5. The staged storage device for spent catalyst according to claim 4, wherein the sealing assembly (500) comprises a housing (501), a frame (502) attached to the inner side wall of the housing (501), the screen frame (201) is attached to the frame (502), and a side door (503) is hingedly attached to the side wall of the housing (501).

6. The staged storage device for spent catalyst according to claim 1, wherein the conveyor (310) is a conveyor belt or a screw conveyor.

7. The staged storage device for spent catalyst according to claim 1, wherein the second storage bin (420) is provided below the tertiary discharge port (230).

8. The apparatus for fractional storage of spent catalyst according to claim 1, wherein a suction fan (511) is provided in the suction duct (510), and a dust collection bin (512) is connected to a dust discharge port of the cyclone (520).

9. The staged storage device for spent catalyst according to claim 1, wherein the feeder (100) comprises an inclined feed hopper (110), and a freely hanging sealing curtain (111) is attached to the feed hopper (110).