CN215929595U

CN215929595U - Slag discharging and dust removing device of boiler slag cooler

Info

Publication number: CN215929595U
Application number: CN202122003714.6U
Authority: CN
Inventors: 苗宗宁; 陶治强
Original assignee: Qingdao Qingtian Boiler Auxiliary Machine Co ltd
Current assignee: Qingdao Qingtian Boiler Auxiliary Machine Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-01
Anticipated expiration: 2031-08-24

Abstract

The utility model belongs to the technical field of boiler slag coolers, and particularly discloses a slag discharging and dust removing device of a boiler slag cooler, which comprises a barrel, wherein a slag inlet box and a slag outlet box are respectively arranged at two ends of the barrel, a dust collecting mechanism is arranged at the end part of the slag outlet box, the dust collecting mechanism comprises an installation barrel fixedly installed at the middle position of the outer wall of the end part of the slag outlet box, a dust collecting fan is installed at one end, away from the barrel, of the installation barrel, a dust collecting port of the dust collecting fan extends into the installation barrel, a metal mesh sleeve is horizontally arranged in the barrel at the position corresponding to the installation barrel, the metal mesh sleeve is fixedly connected with the inner wall of the slag outlet box, a dust collecting pipe is horizontally arranged in the metal mesh sleeve, the dust collecting pipe is communicated with the installation barrel, a plurality of rectangular through holes are uniformly formed in the outer side of the dust collecting pipe, and a dust collecting structure is communicated with the discharge port of the dust collecting fan through a conveying pipe. The utility model has double dust removal effects and effectively ensures the cleanliness of the working air environment during slag discharge.

Description

Slag discharging and dust removing device of boiler slag cooler

Technical Field

The utility model belongs to the field of boiler slag coolers, and particularly discloses a slag discharging and removing device of a boiler slag cooler.

Background

The slag cooler is also called as slag cooler, and mainly comprises a cylinder, a slag inlet box, a slag outlet box, a power transmission device, a bottom frame and an electrical control system, wherein the cylinder and a separation frame are both in water-cooled wall type structures, and slag guide sheets are welded on the inner wall of the cylinder and the separation frame.

And the slag cooler forms a large amount of fine ash in the hearth due to repeated circulating combustion of the coal in the continuous slag discharging process, the fine ash is mixed in the slag and discharged through a slag outlet after being treated by the heat recovery of the slag cooler, the hot fine ash expands to form raised dust when the slag is discharged, and the dust is diffused in the air to pollute the working environment, so that the slag discharging and dust removing device of the boiler slag cooler is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a slag discharging and dust removing device of a boiler slag cooler.

In order to achieve the purpose, the utility model provides a slag discharging and dust removing device of a boiler slag cooler, which comprises a barrel, wherein a slag inlet box and a slag outlet box are respectively arranged at two ends of the barrel, a dust suction mechanism is arranged at the end part of the slag outlet box, the dust suction mechanism comprises an installation barrel fixedly installed at the middle position of the outer wall of the end part of the slag outlet box, a dust suction fan is installed at one end, away from the barrel, of the installation barrel, a dust suction port of the dust suction fan extends into the installation barrel, a metal mesh sleeve is horizontally arranged in the barrel at the position corresponding to the installation barrel, the metal mesh sleeve is fixedly connected with the inner wall of the slag outlet box, a dust suction pipe is horizontally arranged in the metal mesh sleeve, the dust suction pipe is communicated with the installation barrel, a plurality of rectangular through holes are uniformly formed in the outer side of the dust suction fan, and a dust collecting structure is communicated with the discharge port of the dust suction fan through a conveying pipe.

In the above technical scheme, it is preferred, dust collecting structure includes the water tank of fixed mounting on the case end wall of slagging tap in installation section of thick bamboo below, conveyer pipe and the inside bottom intercommunication of water tank, just the air vent has been seted up at the water tank top.

In the technical scheme, it is preferred, slag tap bottom of the case end intercommunication is installed and is slagging tap the pipe, the pipe bottom outside of slagging tap is provided with dust fall mechanism, dust fall mechanism includes the ring canal of fixing the cover through the mount and establishing in the pipe outside of slagging tap, a plurality of sprinkler bead are installed to ring canal bottom equidistance intercommunication, sprinkler bead water spray direction all towards the port of the pipe of slagging tap, just through the drain pipe intercommunication between ring canal and the water tank bottom, the control valve is installed at the drain pipe top the water injection pipe is installed to water tank top outside level intercommunication.

In above-mentioned technical scheme, it is preferred, the inside rabbling mechanism that is provided with of water tank, rabbling mechanism includes that the slope is installed at the motor of water tank top one end, motor output shaft extends to the inside and end connection of water tank has the rotation axis, the fixed cover in rotation axis bottom outside has connect the axle sleeve, the polylith stirring leaf is installed along the circumferencial direction equidistance in the axle sleeve outside.

In the above technical scheme, preferably, the water tank is arranged in an inverted triangle and is of an integrally formed structure with the slag discharging tank.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the dust collection device, the dust collection pipe and the plurality of rectangular through holes formed in the dust collection pipe are arranged, so that dust raised by slag in the barrel can be adsorbed and discharged under the suction force of the dust collection fan, and meanwhile, the metal mesh sleeve arranged on the outer side of the dust collection pipe can block the slag, so that the dust collection pipe is prevented from being blocked by the slag, and the dust collection universality of the dust collection pipe is prevented from being influenced;

2. and can collect absorption exhaust dust through setting up dust collection structure, and set up dust fall mechanism and can carry out the dust fall to the produced raise dust of discharge process and handle, avoid the raise dust to cause the pollution to air circumstance.

Drawings

FIG. 1 is a schematic structural view of a slag discharging and removing device of a boiler slag cooler according to the present invention;

FIG. 2 is a schematic axial view of a slag discharging and removing device of a boiler slag cooler according to the present invention;

FIG. 3 is a schematic cross-sectional structural view of a slag discharging and removing device of a boiler slag cooler according to the present invention;

FIG. 4 is a schematic cross-sectional view of a portion of the structure of FIG. 3;

FIG. 5 is a schematic sectional view of a water tank of a slag discharging and removing device of a boiler slag cooler according to the present invention.

In the figure: the device comprises a barrel body 1, a slag inlet box 2, a slag outlet box 3, an installation barrel 4, a dust absorption fan 5, a conveying pipe 6, a water tank 7, a control valve 8, a drain pipe 9, a ring pipe 10, a water spray head 11, a slag outlet pipe 12, a water injection pipe 13, a motor 14, a shaft sleeve 15, a stirring blade 16, a rotating shaft 17, a vent hole 18, a fixing frame 19, a metal mesh sleeve 20, a dust absorption pipe 21 and a rectangular through hole 22.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1-5, the slag discharging and dust removing device for a boiler slag cooler comprises a cylinder 1, wherein a slag inlet box 2 and a slag outlet box 3 are respectively arranged at two ends of the cylinder 1, a dust suction mechanism is arranged at the end part of the slag outlet box 3, the dust suction mechanism comprises an installation cylinder 4 fixedly installed at the middle position of the outer wall of the end part of the slag outlet box 3, a dust suction fan 5 is installed at one end of the installation cylinder 4, which is far away from the cylinder 1, a dust suction port of the dust suction fan 5 extends into the installation cylinder 4, a metal mesh sleeve 20 is horizontally arranged inside the cylinder 1 at the position corresponding to the installation cylinder 4, the metal mesh sleeve 20 is fixedly connected with the inner wall of the slag outlet box 3, a dust suction pipe 21 is horizontally arranged inside the metal mesh sleeve 20, the dust suction pipe 21 is installed in communication with the installation cylinder 4, a plurality of rectangular through holes 22 are uniformly formed in the outer side of the dust suction pipe 5, and a dust collecting structure is communicated with the discharge port of the dust suction fan 5 through a conveying pipe 6; through setting up dust absorption pipe 21 and setting up a plurality of rectangle through-holes 22 on dust absorption pipe 21 to can adsorb the discharge with the dust that the inside slag of barrel 1 was raised under dust absorption fan 5's suction, set up simultaneously and can carry out the separation to the slag at the metal mesh sleeve 20 in the dust absorption pipe 21 outside, avoid the slag to cause the jam to dust absorption pipe 21, influence the dust absorption normality of dust absorption pipe 21.

The dust collecting structure comprises a water tank 7 fixedly arranged on the end wall of the slag outlet box 3 below the mounting cylinder 4, the conveying pipe 6 is communicated with the bottom end inside the water tank 7, and the top of the water tank 7 is provided with a vent hole 18; through setting up water tank 7 to the dust that conveyer pipe 6 carried can directly pour into the inside aquatic of water tank 7 into, with this can avoid the dust to appear the diffuse phenomenon.

The bottom end of the slag discharging box 3 is communicated with and provided with a slag discharging pipe 12, the outer side of the bottom of the slag discharging pipe 12 is provided with a dust falling mechanism, the dust falling mechanism comprises an annular pipe 10 fixedly sleeved on the outer side of the slag discharging pipe 12 through a fixing frame 19, the bottom end of the annular pipe 10 is communicated and provided with a plurality of water spraying heads 11 at equal intervals, the water spraying directions of the water spraying heads 11 all face to the port of the slag discharging pipe 12, the annular pipe 10 is communicated with the bottom end of the water tank 7 through a water discharging pipe 9, the top of the water discharging pipe 9 is provided with a control valve 8, the outer side of the top of the water tank 7 is horizontally communicated and provided with a water injecting pipe 13, and the water tank 7 is arranged in an inverted triangle shape and is integrated with the slag discharging box 3; through opening control valve 8 to inside water of water tank 7 is carried to ring pipe 10 inside through drain pipe 9, then through the distributed spout of a plurality of sprinkler heads 11 that set up to 12 ports of slag pipe, carries out the dust fall to the produced raise dust of discharge process and handles, avoids the raise dust to cause the pollution to air circumstance, and can be connected with outside suction equipment through the water injection pipe 13 that sets up, with this continuously to the inside water injection of water tank 7.

A stirring mechanism is arranged in the water tank 7 and comprises a motor 14 which is obliquely arranged at one end of the top of the water tank 7, an output shaft of the motor 14 extends into the water tank 7, the end part of the output shaft is connected with a rotating shaft 17, the outer side of the bottom of the rotating shaft 17 is fixedly sleeved with a shaft sleeve 15, and a plurality of stirring blades 16 are arranged on the outer side of the shaft sleeve 15 at equal intervals along the circumferential direction; by activating the motor 14, the rotating shaft 17 drives the shaft sleeve 15 and the stirring blades 16 to stir the water inside the water tank 7, so that the dust deposited in the water tank 7 is merged into the water and is conveniently discharged together through the water discharge pipe 9.

The utility model comprises the following steps: at first adsorb the dust that the inside slag of barrel 1 was raised through dust absorption mechanism inside the discharge dust collection structure, open dust fall mechanism simultaneously and carry out the water spray dust fall processing to the raise dust that the discharge in-process produced at the sediment in-process, avoid the raise dust to cause the pollution to air circumstance, adopt the dual dust removal mode, effectively ensure the thoroughness of removing dust.

In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the appearances of the phrases "one embodiment," "some embodiments," "a specific embodiment," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment or example, but rather to the same embodiment or example. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A slag discharging and dust removing device of a boiler slag cooler comprises a barrel body (1), wherein a slag inlet box (2) and a slag discharging box (3) are respectively arranged at two ends of the barrel body (1), and the slag discharging and dust removing device is characterized in that a dust suction mechanism is arranged at the end part of the slag discharging box (3), the dust suction mechanism comprises an installation barrel (4) fixedly installed at the middle position of the outer wall of the end part of the slag discharging box (3), the installation barrel (4) is far away from one end of the barrel body (1) and is provided with a dust suction fan (5), a dust suction opening of the dust suction fan (5) extends into the installation barrel (4), a metal mesh sleeve (20) is horizontally arranged inside the barrel body (1) at the corresponding position of the installation barrel (4), the metal mesh sleeve (20) is fixedly connected with the inner wall of the slag discharging box (3), a dust suction pipe (21) is horizontally arranged inside the metal mesh sleeve (20), the dust suction pipe (21) is communicated with the installation barrel (4) and is provided with a plurality of rectangular through holes (22) uniformly formed outside, the outlet of the dust collection fan (5) is communicated with a dust collection structure through a conveying pipe (6).

2. The slag discharging and dust removing device for the boiler slag cooler according to claim 1, wherein the dust collecting structure comprises a water tank (7) fixedly mounted on the end wall of the slag discharging tank (3) below the mounting cylinder (4), the conveying pipe (6) is communicated with the bottom end inside the water tank (7), and the top of the water tank (7) is provided with a vent hole (18).

3. The slag-discharging and dust-removing device for the slag cooler of the boiler according to claim 2, characterized in that a slag discharging pipe (12) is installed at the bottom end of the slag discharging box (3) in a communicating manner, a dust-removing mechanism is arranged on the outer side of the bottom of the slag discharging pipe (12), the dust-removing mechanism comprises a ring pipe (10) which is fixedly sleeved on the outer side of the slag discharging pipe (12) through a fixing frame (19), a plurality of water spray heads (11) are installed at the bottom end of the ring pipe (10) in an equidistantly communicating manner, the water spray heads (11) spray water directions all face to the port of the slag discharging pipe (12), the ring pipe (10) is communicated with the bottom end of the water tank (7) through a water discharging pipe (9), a control valve (8) is installed at the top of the water discharging pipe (9), and a water injecting pipe (13) is installed at the outer side of the top of the water tank (7) in a horizontally communicating manner.

4. The slag discharging and dust removing device for the boiler slag cooler according to claim 3, characterized in that a stirring mechanism is arranged inside the water tank (7), the stirring mechanism comprises a motor (14) obliquely installed at one end of the top of the water tank (7), an output shaft of the motor (14) extends into the water tank (7) and is connected with a rotating shaft (17) at the end, a shaft sleeve (15) is fixedly sleeved outside the bottom of the rotating shaft (17), and a plurality of stirring blades (16) are installed on the outside of the shaft sleeve (15) at equal intervals along the circumferential direction.

5. The slag discharging and removing device for the boiler slag cooler according to claim 4, wherein the water tank (7) is arranged in an inverted triangle shape and is integrated with the slag discharging tank (3).