CN210751855U

CN210751855U - Dust removal equipment capable of purifying flue gas for power station boiler

Info

Publication number: CN210751855U
Application number: CN201921009559.5U
Authority: CN
Inventors: 肖冠华; 王永佳; 张庆国
Original assignee: Huadian Electric Power Research Institute Co Ltd
Current assignee: Huadian Electric Power Research Institute Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-06-16
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses a can purify dust collecting equipment for power station boiler of flue gas, including casing, intake pipe, slow motor and mount, the bottom of casing is fixed with the intake pipe, the outside of casing is fixed with slow motor, and is fixed with a sprocket on slow motor's the output shaft, driven sprocket fixes on the horizontal axis, and is fixed with the working wheel on the horizontal axis to the horizontal axis is installed on shells inner wall, the working wheel is connected with the bottom of adjustable shelf, and the avris of adjustable shelf is fixed with the side pillar, the side pillar runs through the orbit window, and the orbit window sets up at the mount avris to the mount is fixed on shells inner wall. This dust collecting equipment of can purifying flue gas adopts neotype structural design for this device not only can carry out comparatively thorough absorption separation to the tiny granule in the flue gas, guarantees moreover that the tiny granule of separation can not block filtration, guarantees that the device is whole can long-time stable work.

Description

Dust removal equipment capable of purifying flue gas for power station boiler

Technical Field

The utility model relates to a dust collecting equipment technical field specifically is a can purify dust collecting equipment for power plant boiler of flue gas.

Background

The boiler is one of the main thermal equipment of thermal power factory, and the in-process of power plant boiler burning raw materials can produce a large amount of flue gas, just needs to use dust collecting equipment to purify the flue gas absorption that produces.

Along with electric dust collecting equipment's continuous use, discovery in the use, current dust collecting equipment structural design is unreasonable, because contain a large amount of tiny particles in the flue gas, traditional dust collecting equipment purifying effect is not good, and easy being blocked by tiny particle, need frequently clear up change filter unit, and is with high costs. Therefore, it is necessary to design a dust removing apparatus for a utility boiler capable of purifying flue gas in view of the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a but the dust collecting equipment for power station boiler of gas cleaning reasonable in structural design to it is not good to solve the equipment purifying effect that proposes among the above-mentioned background art, and the easy problem that is blocked by tiny granule.

The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a power plant dust collecting equipment for boiler of smoke can purify, includes casing, intake pipe, slow motor and mount, its characterized in that: the bottom of casing is fixed with the intake pipe, and the top of casing installs a section of thick bamboo to be provided with filter layer and dehumidification layer in the top section of thick bamboo, the inboard top of casing is fixed with the functional network simultaneously, the outside of casing is fixed with slow motor, and is fixed with a sprocket on the output shaft of slow motor to a sprocket and drive chain interconnect, drive chain and driven sprocket interconnect simultaneously, driven sprocket fixes on the horizontal axis, and is fixed with the working wheel on the horizontal axis, and the horizontal axis is installed on the inner wall of casing, the working wheel is connected with the bottom of adjustable shelf, and the avris of adjustable shelf is fixed with the side pillar, the side pillar runs through the orbit window, and the avris at the mount is seted up to the mount is fixed on the inner wall of casing.

Preferably, the functional net is made of fine wire netting, and the functional net is connected with the shell in a welding mode.

Preferably, the top chain wheel and the driven chain wheel form a chain transmission structure through a transmission chain, the driven chain wheel and the working wheel are both connected with the horizontal shaft through a welding machine, hemispherical protruding structures are distributed on the side of the working wheel at equal intervals, and meanwhile, the working wheel is tightly attached to the arc-shaped part of the bottom of the movable frame.

Preferably, the side posts are symmetrically distributed about the movable frame, a fine gauze is fixed in the middle of the movable frame, the side posts are in sliding connection with the track window, and metal gaskets are symmetrically distributed on the side posts about the track window.

Preferably, the fixing frame is arranged obliquely upwards, the fixing frames are distributed on the inner wall of the shell in a staggered manner, and the fixing frame and the shell are connected in a welded manner.

Preferably, the dehumidification layer is distributed about the filter layer symmetry, and the material of filter layer is active carbon to the material of dehumidification layer is cotton yarn.

Preferably, the top end of the movable frame is connected with the fixed frame through a spring.

Compared with the prior art, the utility model, have following advantage and effect: the dust removal equipment for the power station boiler capable of purifying the flue gas adopts a novel structural design, so that the device not only can thoroughly absorb and separate fine particles in the flue gas, but also can ensure that the separated fine particles cannot block a filtering structure, and the whole device can stably work for a long time;

1. the structure formed by the top chain wheel, the transmission chain, the driven chain wheel, the horizontal shaft and the working wheel is a driving structure in the device, and the movable frame can be stably driven;

2. the adjustable shelf, the side column, the track window, the fixed shelf, the filter layer and the dehumidification layer are matched with each other to work, can work stably under the drive of the driving structure, separate and collect fine particles in the flue gas, and can ensure that the fine particles can not accumulate to block the purification structure.

Drawings

Fig. 1 is a schematic view of an overall front cross-sectional structure according to an embodiment of the present invention.

Fig. 2 is a schematic view of a horizontal axis front view cross-sectional structure according to an embodiment of the present invention.

Fig. 3 is a schematic top view of a cross-sectional structure of a track window according to an embodiment of the present invention.

Fig. 4 is a schematic top view of the movable frame according to the embodiment of the present invention.

In the figure: the device comprises a shell 1, an air inlet pipe 2, a top barrel 3, a functional net 4, a slow-speed motor 5, a top chain wheel 6, a transmission chain 7, a driven chain wheel 8, a horizontal shaft 9, a working wheel 10, a movable frame 11, a side column 12, a track window 13, a fixed frame 14, a filter layer 15 and a dehumidification layer 16.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a dust removal device capable of purifying flue gas for a power station boiler comprises a shell 1, an air inlet pipe 2, a top cylinder 3, a functional net 4, a slow motor 5, a top chain wheel 6, a transmission chain 7, a driven chain wheel 8, a horizontal shaft 9, a working wheel 10, a movable frame 11, a side column 12, a track window 13, a fixed frame 14, a filter layer 15 and a dehumidification layer 16.

The bottom of casing 1 is fixed with intake pipe 2, and top section of thick bamboo 3 is installed at casing 1's top, and be provided with filter layer 15 and dehumidification layer 16 in the top section of thick bamboo 3, simultaneously casing 1's inboard top is fixed with functional network 4, casing 1's the outside is fixed with slow motor 5, and be fixed with top sprocket 6 on slow motor 5's the output shaft, and top sprocket 6 and drive chain 7 interconnect, drive chain 7 and driven sprocket 8 interconnect simultaneously, driven sprocket 8 is fixed on horizontal axis 9, and be fixed with working wheel 10 on the horizontal axis 9, and horizontal axis 9 installs on casing 1's inner wall, working wheel 10 is connected with the bottom of adjustable shelf 11, and the avris of adjustable shelf 11 is fixed with side pillar 12, side pillar 12 runs through orbit window 13, and orbit window 13 sets up the avris at mount 14, and mount 14 fixes on casing 1's inner wall.

In the embodiment, the functional net 4 is made of fine wire netting, and the functional net 4 is connected with the shell 1 in a welding way; due to the structural design, the functional net 4 positioned above the movable frame 11 can block water splash generated when gas overflows from the water surface, and the phenomenon that the water splash directly wets the dehumidification layer 16 to cause that the filter layer 15 and the dehumidification layer 16 cannot work normally is avoided;

the top chain wheel 6 and the driven chain wheel 8 form a chain transmission structure through a transmission chain 7, the driven chain wheel 8 and the working wheel 10 are both connected with a horizontal shaft 9 through a welding machine, hemispherical protruding structures are distributed on the edge side of the working wheel 10 at equal intervals, and meanwhile, the working wheel 10 is tightly attached to the arc-shaped part at the bottom of the movable frame 11; the above structural design enables the top chain wheel 6 to stably drive the driven chain wheel 8 through the transmission chain 7 when being driven to rotate by the output shaft of the slow speed motor 5, the working wheel 10 can synchronously rotate along with the driven chain wheel 8 under the action of the horizontal shaft 9, and the protruding structure on the working wheel 10 can extrude and push the movable frame 11 to move when contacting with the arc-shaped part at the bottom of the movable frame 11;

the side posts 12 are symmetrically distributed about the movable frame 11, a fine gauze is fixed in the middle of the movable frame 11, the side posts 12 are in sliding connection with the track window 13, and metal gaskets are symmetrically distributed on the side posts 12 about the track window 13; the above-mentioned structure design makes the movable frame 11, when pushed by the protruding structure on the working wheel 10, can take the side pillar 12 to slide stably along the track of the track window 13;

the fixing frames 14 are obliquely and upwards arranged, the fixing frames 14 are distributed on the inner wall of the shell 1 in a staggered manner, and the fixing frames 14 are connected with the shell 1 in a welding manner; the above structure design makes the fixed frame 14 and the movable frame 11 inside the fixed frame fully cover the ascending path of the smoke gas, ensuring the purification effect of the smoke gas, and the fine gauze on the movable frame 11 is not blocked by matching with the movement of the movable frame 11;

the dehumidification layer 16 is symmetrically distributed about the filter layer 15, the filter layer 15 is made of activated carbon, and the dehumidification layer 16 is made of cotton yarn; the structural design enables the filter layer 15 and the dehumidification layer 16 to be matched, so that a small amount of residual fine particles in the gas can be intercepted, and the purification effect is ensured;

the top end of the movable frame 11 is connected with the fixed frame 14 through a spring.

The working principle is as follows: when the device is used, firstly, a valve on the air inlet pipe 2 in the figure 1 is closed, a valve on the side discharge pipe at the bottom end of the shell 1 is closed, water is added into the shell 1 through an adding port at the top of the shell 1 until the water submerges the fixing frame 14 at the topmost end in the shell 1 and is lower than the functional network 4, an air pump connected with the air inlet pipe 2 is powered through an external circuit, the valve on the air inlet pipe 2 is opened, a slow speed motor 5 in the figure 4 is powered through the external circuit, the air pump connected with the air inlet pipe 2 pumps smoke into the water in the shell 1 through the air inlet pipe 2, and the slow speed motor 5 drives the top chain wheel 6 to rotate through an output shaft arranged on the;

the gas discharged from the gas inlet pipe 2 contacts with the fine gauze inside the movable frame 11 in the floating process, firstly, the gas is mixed with water, the water can absorb a part of fine particles, when the gas bubbles contact with the fine gauze inside the movable frame 11, the larger bubbles can be divided into small bubbles for passing through the fine gauze inside the movable frame 11, the fine particles contained in the gas in the bubbles are intercepted when passing through the fine gauze, so that the gas is intercepted by the movable frame 11 inside the 4 fixed frames 14 in fig. 1, most of the fine particles are absorbed by the water and intercepted by the fine gauze inside the movable frame 11, then the purified gas floats out of the water surface and reaches the filter layer 15 and the dehumidification layer 16 through the functional net 4, a small amount of residual fine particles are also intercepted by the filter layer 15 and the dehumidification layer 16, and finally, the purified gas is discharged through the top cylinder 3;

in the process of gas floating, a slow-speed motor 5 drives a transmission chain 7 through a top chain wheel 6, the transmission chain 7 drives a driven chain wheel 8, a horizontal shaft 9 and a working wheel 10 to rotate, when the working wheel 10 in fig. 2 rotates and a convex structure on the working wheel contacts with the bottom end of a movable frame 11, the movable frame 11 is pushed to drive a side column 12 to slide obliquely upwards along the track of a track window 13 and extrude a spring arranged at the top end of the movable frame 11, then the convex structure on the working wheel 10 is separated from the movable frame 11, the movable frame 11 slides downwards and resets under the action of the spring, the working wheel 10 continuously rotates, the convex structure on the working wheel 10 is continuously contacted and separated from the movable frame 11, the movable frame 11 continuously slides upwards and downwards and vibrates, the movable frame 11 stirs water flow during vibration, so that fine particles intercepted and adsorbed by a gauze at the inner side of the movable frame 11 are flushed by the water flow, and blockage of the gauze at, tiny granule in the flue gas mixes with the water in the casing 1, only needs regularly to open the valve on the discharge pipe of casing 1 bottom avris, will contain the water discharge of tiny granule, rethread casing 1 top add the mouth with the mouth add clean water can, reduced the maintenance cost for the device can stable work for a long time.

In addition, it should be noted that the above contents described in the present specification are only illustrations of the structure of the present invention. All equivalent changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions by those skilled in the art may be made to the described embodiments without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a but dust collecting equipment for power station boiler of gas cleaning, includes casing (1), intake pipe (2), slow motor (5) and mount (14), its characterized in that: the bottom of the shell (1) is fixed with an air inlet pipe (2), the top of the shell (1) is provided with a top cylinder (3), a filter layer (15) and a dehumidification layer (16) are arranged in the top cylinder (3), a functional net (4) is fixed at the top of the inner side of the shell (1), a slow motor (5) is fixed at the outer side of the shell (1), a top chain wheel (6) is fixed on an output shaft of the slow motor (5), the top chain wheel (6) is connected with a transmission chain (7), the transmission chain (7) is connected with a driven chain wheel (8), the driven chain wheel (8) is fixed on a horizontal shaft (9), a working wheel (10) is fixed on the horizontal shaft (9), the horizontal shaft (9) is arranged on the inner wall of the shell (1), the working wheel (10) is connected with the bottom end of a movable frame (11), and a side pillar (12) is fixed at the side of the movable frame (11), the side column (12) penetrates through the track window (13), the track window (13) is arranged on the side of the fixing frame (14), and the fixing frame (14) is fixed on the inner wall of the shell (1).

2. The dust removing apparatus for a flue gas cleanable utility boiler according to claim 1, wherein: the functional net (4) is made of fine iron wire nets, and the functional net (4) is connected with the shell (1) in a welding mode.

3. The dust removing apparatus for a flue gas cleanable utility boiler according to claim 1, wherein: the top chain wheel (6) and the driven chain wheel (8) form a chain transmission structure through a transmission chain (7), the driven chain wheel (8) and the working wheel (10) are connected with a horizontal shaft (9) through a welding machine, hemispherical protruding structures are distributed on the side of the working wheel (10) at equal intervals, and meanwhile, the working wheel (10) is tightly attached to the arc-shaped part of the bottom of the movable frame (11).

4. The dust removing apparatus for a flue gas cleanable utility boiler according to claim 1, wherein: the side columns (12) are symmetrically distributed about the movable frame (11), a fine and dense gauze is fixed in the middle of the movable frame (11), the side columns (12) are in sliding connection with the track window (13), and metal gaskets are symmetrically distributed on the side columns (12) about the track window (13).

5. The dust removing apparatus for a flue gas cleanable utility boiler according to claim 1, wherein: the fixing frame (14) is obliquely and upwards arranged, the fixing frame (14) is distributed on the inner wall of the shell (1) in a staggered mode, and the fixing frame (14) is connected with the shell (1) in a welded mode.

6. The dust removing apparatus for a flue gas cleanable utility boiler according to claim 1, wherein: the dehumidification layer (16) is symmetrically distributed relative to the filter layer (15), the filter layer (15) is made of activated carbon, and the dehumidification layer (16) is made of cotton yarn.

7. The dust removing apparatus for a flue gas cleanable utility boiler according to claim 1, wherein: the top end of the movable frame (11) is connected with the fixed frame (14) through a spring.