CN210035553U

CN210035553U - Ash discharging and dust removing device of boiler

Info

Publication number: CN210035553U
Application number: CN201920187026.XU
Authority: CN
Inventors: 农业山; 韦继高; 黄浩; 周光
Original assignee: Guangxi Haiying Alcohol Co Ltd
Current assignee: Guangxi Haiying Alcohol Co Ltd
Priority date: 2019-02-02
Filing date: 2019-02-02
Publication date: 2020-02-07
Anticipated expiration: 2029-02-02

Abstract

The utility model discloses an ash discharging and dust removing device of a boiler, which comprises a conveying mechanism, a dust discharging and dust removing device and a dust removing device, wherein the conveying mechanism comprises a conveying cylinder and a guide pipe; a conveying shaft and an air supply assembly are arranged in the conveying cylinder; the air supply assembly is arranged close to the discharge hole, the bottom end of the guide pipe is communicated with the feed hole, and the inner side wall of the guide pipe is provided with a plurality of nozzles; the humidifying mechanism is arranged at the top of the conveying cylinder, the top end of the guide pipe is communicated with the bag-type dust collector, and the feed end of the belt conveyor is communicated with the conveying cylinder. The humidifying device is arranged at the conveying mechanism, the cigarette ash can be discharged after being uniformly stirred by adding water to reach certain humidity, and the dust raising phenomenon is effectively solved. The utility model discloses a conveying mechanism probably has the condition that partial smoke and dust is not drenched by humidification mechanism at the in-process of carrying the smoke and dust, consequently the one end that the transfer cylinder is close to the discharge gate is equipped with the air supply subassembly is bloied the processing to the smoke and dust that does not mix with humidification water, with the smoke and dust to the one end that the transfer cylinder is close to the feed inlet is bloied, reduces the smoke and dust volume of mixing with humidification water.

Description

Ash discharging and dust removing device of boiler

Technical Field

The utility model relates to a dust removal device. More specifically, the utility model relates to an ash discharge and dust removal device of boiler.

Background

In order to stably discharge the boiler waste gas and dust up to the standard, the boiler waste gas dust removal facilities of most factories all adopt bag dust removal at present, the boiler dust discharged from a bag is conveyed to an ash yard through an air conveying system to be stacked, the coal ash discharged from the bag dust removal is conveyed to the ash yard through the traditional air conveying system, and because the ash particles are dry powder with lighter specific gravity, the ash lifting phenomenon is often caused due to poor sealing and the like, and the investment of air conveying equipment is large. Therefore, there is a need for an apparatus capable of efficiently treating soot.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

The utility model discloses the dust removal device of ash discharging of boiler is provided to a still, the utility model discloses adopt whirlwind dust removal facility and sack dust removal facility to the waste gas that the boiler produced and get rid of the smoke and dust, the smoke and dust of boiler does not need traditional wind to send equipment after the sack is discharged, but carries the dust field to the smoke and dust through conveying mechanism and belt conveyor and stacks, for solving the raise dust phenomenon, sets up humidification device in conveying mechanism department, and the cigarette ash can be discharged after adding water the stirring and reach certain humidity, has solved the raise dust phenomenon effectively. The utility model discloses a conveying mechanism probably has the condition that partial smoke and dust is not drenched by humidification mechanism at the in-process of carrying the smoke and dust, consequently the one end that the conveying cylinder is close to the discharge gate is equipped with the air supply subassembly is bloied the processing to the smoke and dust that does not mix with humidification water, with the smoke and dust to the one end that the conveying cylinder is close to the feed inlet is bloied, reduces the smoke and dust volume that does not mix with humidification water.

In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an ash discharge and dust removal device for a boiler, comprising:

the conveying mechanism comprises a conveying cylinder, a first motor and a guide pipe, wherein the conveying cylinder is horizontally arranged, a feed port is arranged on the outer side wall of the conveying cylinder close to one end of the conveying cylinder, a discharge port is arranged at the other end of the conveying cylinder, the feed port is positioned at the top of the conveying cylinder, the discharge port is positioned at the bottom of the conveying cylinder, and a strip-shaped through hole is formed in the top of the conveying cylinder in a manner of being parallel to the axial direction of the conveying cylinder; a support, a conveying shaft and an air supply assembly are arranged in the conveying cylinder, the support is arranged between the discharge port and the other end of the conveying cylinder, the conveying shaft is horizontally arranged, two ends of the conveying shaft are respectively connected with one end, close to the feed port, of the conveying cylinder and the support through bearings, and spiral blades are wound on the periphery of the conveying shaft; the air supply assembly comprises a screw, a first gear, a second gear and planetary gears, the screw is coaxially and fixedly arranged with the conveying shaft, the first gear is axially horizontal and meshed with the screw, the second gear is arranged side by side with the first gear and meshed with the first gear, the planetary gears comprise sun gears, three third gears meshed with the sun gears simultaneously and gear rings meshed with the three third gears simultaneously, the sun gears are coaxially arranged with the conveying shaft and meshed with the second gears, and each third gear is provided with a fan blade; an output shaft of the first motor penetrates through one end, close to the feed inlet, of the conveying cylinder and is fixedly connected with the conveying shaft; the guide pipe is vertically arranged above the conveying cylinder, the bottom end of the guide pipe is communicated with the feed inlet, a plurality of nozzles are arranged on the inner side wall of the guide pipe at intervals along the vertical direction, the nozzles are horizontally arranged and are communicated with the atomizer, and the spraying directions of the nozzles face to the axial direction of the guide pipe;

the humidifying mechanism comprises a box body, a slide rail, a slide block, a water spraying column, a second motor, a rotary table and a connecting rod, wherein the box body is horizontally arranged at the top of the conveying cylinder, the bottom of the box body is open, the box body covers the strip-shaped through hole, the slide rail is fixed right above the strip-shaped through hole through a plurality of support rods and is parallel to the length direction of the strip-shaped through hole, the slide block is slidably clamped on the slide rail, the water spraying column is parallel to the slide rail and is fixedly arranged on the lower surface of the slide block, a water inlet is formed in one end of the water spraying column, a plurality of water spraying holes are formed in the bottom of the water spraying column, the second motor is arranged in the box body and is positioned at one end of the strip-shaped through hole in the length direction, an output shaft of the second motor is vertically and upwards arranged, the rotary table is coaxially sleeved on, the connecting rod is horizontally arranged, one end of the connecting rod is hinged with the fixed shaft, and the other end of the connecting rod is hinged with the sliding block;

the top end of the guide pipe is communicated with the bottom of the bag-type dust collector, the belt conveyor is arranged below the conveying cylinder, and the feeding end of the belt conveyor is communicated with the conveying cylinder through the discharging hole.

Preferably, the distance between adjacent blades on the conveying shaft is 20 cm.

Preferably, the ratio of the radius of the first gear to the radius of the second gear is 3: 1.

Preferably, the diameter of the water spray hole is 1 cm.

Preferably, a speed reducer is further provided between the first motor and the conveying shaft.

Preferably, the ratio of the radii of the sun gear to the third gear is 3: 2.

The utility model discloses at least, include following beneficial effect:

first, the utility model discloses a conveying mechanism probably has the condition that partial smoke and dust is not drenched by humidification mechanism at the in-process of carrying the smoke and dust, consequently the one end that the transfer cylinder is close to the discharge gate is equipped with air supply assembly bloies the processing to the smoke and dust that does not mix with humidification water, with the smoke and dust to the one end that the transfer cylinder is close to the feed inlet is bloied, reduces the smoke and dust volume that does not mix with humidification water.

Second, the utility model discloses adopt whirlwind dust removal facility and sack dust removal facility to the waste gas that the boiler produced and get rid of the smoke and dust, through conveying mechanism and band conveyer carry the ash yard to the smoke and dust and stack conveying mechanism department sets up humidification mechanism, and the cigarette ash can discharge along with water after adding water stirring and evenly reaching certain humidity, has solved the raise dust phenomenon effectively.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic view of the overall structure of one of the technical solutions of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

As shown in fig. 1, the ash discharging and dust removing apparatus for a boiler includes:

the conveying mechanism comprises a conveying cylinder 110, a first motor 130 and a guide pipe 140, wherein the conveying cylinder 110 is horizontally arranged, a feeding hole 111 is formed in the outer side wall, close to one end of the conveying cylinder 110, a discharging hole 112 is formed in the other end of the conveying cylinder, the feeding hole 111 is located at the top of the conveying cylinder 110, the discharging hole 112 is located at the bottom of the conveying cylinder 110, and a strip-shaped through hole is formed in the top of the conveying cylinder 110 in a manner of being; a support 113, a conveying shaft 114 and an air supply assembly are arranged in the conveying cylinder 110, the support 113 is arranged between the discharge port 112 and the other end of the conveying cylinder 110, the conveying shaft 114 is horizontally arranged, two ends of the conveying shaft 114 are respectively connected with one end of the conveying cylinder 110 close to the feed port 111 and the support 113 through bearings, and spiral blades 115 are wound on the periphery of the conveying shaft 114; the air supply assembly comprises a screw 116, a first gear 117, a second gear 118 and planetary gears, the screw 116 and the conveying shaft 114 are coaxially and fixedly arranged, the first gear 117 is axially horizontal and meshed with the screw 116, the second gear 118 and the first gear 117 are arranged side by side and meshed with each other, the planetary gears comprise a sun gear 119, three third gears 120 meshed with the sun gear 119 simultaneously and gear rings 121 meshed with the three third gears 120 simultaneously, the sun gear 119 and the conveying shaft 114 are coaxially arranged and meshed with the second gear 118, and each third gear 118 is provided with a fan blade 122; an output shaft of the first motor 130 penetrates through one end of the conveying cylinder 110 close to the feeding hole 111 and is fixedly connected with the conveying shaft 114; the guide pipe 140 is vertically arranged above the conveying cylinder 110, the bottom end of the guide pipe 140 is communicated with the feed inlet 111, a plurality of nozzles 141 are arranged on the inner side wall of the guide pipe 140 at intervals along the vertical direction, the nozzles 141 are horizontally arranged and are communicated with the atomizer, and the spraying directions of the nozzles face the axial direction of the guide pipe 140;

the humidifying mechanism comprises a box body 210, a slide rail 220, a slide block 230, a water spray column 240, a second motor 250, a rotary disc 260 and a connecting rod 270, wherein the box body 210 is horizontally arranged at the top of the conveying cylinder 110, the bottom of the conveying cylinder is open, the box body 210 covers the strip-shaped through hole, the slide rail 220 is fixed right above the strip-shaped through hole through a plurality of support rods 221, the slide rail 220 is parallel to the length direction of the strip-shaped through hole, the slide block 230 is slidably clamped on the slide rail 220, the water spray column 240 is fixedly arranged on the lower surface of the slide block 230 in parallel to the slide rail 220, one end of the water spray column 240 is provided with a water inlet, the bottom of the water spray column 240 is provided with a plurality of water spray holes 242, the second motor 250 is arranged in the box body 210 and positioned at one end of the strip-shaped through hole in the length direction, an output shaft of the second, the connecting rod 270 is horizontally arranged, one end of the connecting rod 270 is hinged with the fixed shaft 261, and the other end of the connecting rod 270 is hinged with the sliding block 230;

wherein, the top of pipe 140 communicates with the bottom of sack cleaner 3, and band conveyer 4 sets up the below at conveying cylinder 110, and the feed end of band conveyer 4 passes through discharge gate 112 and conveying cylinder 110 intercommunication.

When the device is used, the first motor 130 is firstly turned on, the conveying shaft 114 connected with the first motor 130 starts to rotate and drives the blades 115 to rotate, the screw 116 coaxially connected with the conveying shaft 114 drives the first gear 117 meshed with the conveying shaft to rotate, the second gear 118 meshed with the first gear 117 drives the sun gear 119 to rotate, and the fan blades 122 on the three third gears 120 meshed with the sun gear 119 revolve around the sun gear 119 while starting to rotate along with the movement of the third gears 120. Then the second motor 250 is turned on to connect the water inlet with the water source, the second motor 250 drives the turntable 260 to rotate, the link 270 hinged to the fixed shaft 261 of the rotary plate 260 drives the slider 230 to reciprocate on the slide rail 220, because the spray post 240 is fixed to the sliding block 230, water enters the spray post 240 from the water inlet and then moves along with the spray post and is sprayed into the delivery cylinder 110 through the spray holes 242, when the boiler smoke dust passes through the cyclone dust collector 5 and the bag-type dust collector 3 in sequence, enters the conduit 140 from the dust discharge port of the bag-type dust collector 3, the water mist generated by the sprayer enters the conduit 140 through the plurality of nozzles 141 in the conduit to be mixed with the smoke dust to increase the humidity of the smoke dust, after the smoke dust mixed with the water mist enters the conveying cylinder 110, the water is conveyed along the conveying cylinder 110 under the action of the conveying shaft 114 and the blades 115, and is sprayed from the water spraying holes 242 during the conveying process, deposited and discharged from the discharge hole 112 together with the water. After the part of the soot which is not deposited in the process of spraying water from the water spraying holes 242 passes through the humidifying mechanism, the part of the soot is blown back to one end of the conveying shaft 114 by the wind discharged from the fan blades 122 to perform humidifying deposition again, so as to increase the humidifying effect.

The utility model discloses a conveying mechanism probably has the condition that partial smoke and dust is not drenched by humidification mechanism at the in-process of carrying the smoke and dust, consequently is equipped with in the one end that a transport section of thick bamboo 110 is close to discharge gate 112 the air supply subassembly is bloied the processing to the smoke and dust of not mixing with humidification water, and the one end that is close to feed inlet 111 with the smoke and dust to a transport section of thick bamboo 110 is bloied, reduces the smoke and dust volume of not mixing with humidification water. The conveying mechanism is provided with the humidifying mechanism, the cigarette ash can be discharged together with water after being uniformly stirred by adding water to reach certain humidity, and the dust raising phenomenon is effectively solved.

In another embodiment, the distance between adjacent blades 115 on the transport shaft 110 is 20 cm. The interval setting of blade in this design can make full use of the deashing effect of humidification mechanism on the basis that the length of time is carried in the reduction transport axle 114.

In another embodiment, the ratio of the radius of the first gear 117 to the radius of the second gear 118 is 3: 1. The design can increase the rotating speed of the third gear 120 by utilizing the radius difference between the first gear 117 and the second gear 118, and accelerate the rotating speed of the fan blades 122.

In another embodiment, the diameter of the water jet 242 is 1 cm. This design can guarantee that the hole for water spraying 242 can be on average and the right amount sprays the water in the water spray post 240, the water yield in the control conveying section of thick bamboo 110.

In another embodiment, a speed reducer 150 is further disposed between the first motor 130 and the conveying shaft 110. This design can reduce the transmission speed of carrying axle 114, and make full use of humidification mechanism increases the effect of humidification.

In another embodiment, the ratio of the radii of the sun gear 119 and the third gear 120 is 3: 2. This design can utilize the radius difference of sun gear 119 and third gear 120 to improve the rotational speed of third gear 120, increases the air supply effect of flabellum 122.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof. In the description of the present invention, the terms "transverse", "longitudinal", "axial", "radial", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate the description of the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation to be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. The row's ash dust collector of boiler, its characterized in that includes:

2. The ash discharging and removing apparatus for a boiler according to claim 1, wherein the interval between the adjacent blades on the conveying shaft is 20 cm.

3. The ash discharging and removing apparatus of a boiler according to claim 1, wherein a ratio of the radius of the first gear to the radius of the second gear is 3: 1.

4. The ash discharging and removing apparatus for a boiler according to claim 1, wherein the diameter of the water spraying hole is 1 cm.

5. The ash discharging and removing apparatus for a boiler according to claim 1, wherein a decelerator is further provided between the first motor and the feeding shaft.

6. The ash discharging and removing device of a boiler according to claim 1, wherein the ratio of the radius of the sun gear to the radius of the third gear is 3: 2.