CN215389177U

CN215389177U - Energy-saving and environment-friendly fluidized bed host

Info

Publication number: CN215389177U
Application number: CN202121657786.6U
Authority: CN
Inventors: 肖忠; 程勇; 廖辰
Original assignee: Anhui Riran Pesticide Fertilizer Biotech Co ltd
Current assignee: Anhui Riran Pesticide Fertilizer Biotech Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-01-04
Anticipated expiration: 2031-07-20

Abstract

The utility model provides an energy-saving and environment-friendly fluidized bed host machine, and belongs to the technical field of fluidized beds. It includes the fluidized bed main part, fluidized bed main part bottom be the back taper and be equipped with the air inlet, the fluidized bed main part in be equipped with the reaction chamber, the reaction chamber downside be equipped with the screen cloth, the reaction chamber top rotate through rotatory limit structure and be connected with the rotor plate, the fluidized bed main part on still be equipped with the rotating assembly who links to each other with the rotor plate. At the intermittent type of fluidized bed work, a lifting unit can drive the brush structure and go up and down along vertical direction, and a lifting unit drive brush structure descends and can brush the solid particle on the reactor inner wall back to on the screen cloth through the brush structure to can improve the reaction efficiency of fluidized bed during operation, thereby rotating assembly can drive the rotor plate and can drive the brush structure along circumferential direction and rotate at brush structure during operation, with the clean effect of improvement brush structure to the reactor inner wall.

Description

Energy-saving and environment-friendly fluidized bed host

Technical Field

The utility model belongs to the technical field of fluidized beds, and relates to an energy-saving and environment-friendly fluidized bed host.

Background

Uniformly piling solid particles in a container with an open bottom to form a bed layer, wherein if fluid passes through the bed layer from top to bottom, the particles do not move, and the bed layer becomes a solid bed; if the fluid passes through the bed layer from top to bottom, the condition is the same as that of a solid bed when the flow rate is low, the particles move to expand the bed layer when the flow rate is increased, the particles can move away from each other and move in the fluid when the flow rate is further increased, and the movement is more violent when the flow rate is higher and the particles move in all directions in the bed layer. The last case is called solid fluidized state, and the fluidized bed of particles is called fluidized bed, and when the fluidized bed is used, the solid particles can adhere to the inner wall of the fluidized bed main body, thereby influencing the reaction in the fluidized bed.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a chinese patent discloses a biomass D-type fluidized bed boiler main body [ application number: 201620130205.6], comprising an upper drum and a lower drum which are communicated with each other by convection tube bundles, wherein a front membrane wall and a rear membrane wall which are arranged at two ends of the drum, side membrane walls arranged at two sides of the convection tube bundles and a C-shaped membrane wall arranged at the outer side of the side membrane walls are also connected between the upper drum and the lower drum. Because the hearth and the flue are both formed by membrane walls, the air tightness is good, no air leakage exists, the heat loss is reduced, the heat efficiency of the boiler is improved, and the reduction of waste heat emission is facilitated. The boiler body is a light membrane wall, which reduces the overall weight of the boiler, but also has the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides an energy-saving and environment-friendly fluidized bed host machine.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an energy-concerving and environment-protective fluidized bed host computer, includes the fluidized bed main part, fluidized bed main part bottom be the back taper and be equipped with the air inlet, the fluidized bed main part in be equipped with the reaction chamber, the reaction chamber downside be equipped with the screen cloth, the reaction chamber top rotate through rotatory limit structure and be connected with the rotor plate, the fluidized bed main part on still be equipped with the rotating assembly who links to each other with the rotor plate, the rotor plate on still be connected with the brush structure through a lifting unit.

In foretell fluidized bed host computer of energy-concerving and environment-protective, the brush structure include the brush board that links to each other with a lifting unit, the brush board lateral wall on be provided with the brush along circumference, brush outer end and reaction chamber inner wall support and lean on.

In foretell fluidized bed host computer of energy-concerving and environment-protective, a lifting unit include two lifting screw rods that set up along the central line symmetry of rotor plate, the rotor plate top still linked firmly and to drive lifting screw rod pivoted circumference driver, the brush board on linked firmly two swivel nuts, lifting screw rod pass the swivel nut and with the swivel nut spiro union.

In the energy-saving and environment-friendly fluidized bed host, a gap is formed between the lifting screw and the screen, and the height of the gap is less than half of the height of the screw sleeve.

In the energy-saving and environment-friendly fluidized bed host machine, the brush plate is also provided with a grinding structure for scattering solid particles condensed into blocks on the screen mesh.

In foretell fluidized bed host computer of energy-concerving and environment-protective, grinding structure including the through-hole of densely covered on the brush board, the diameter of through-hole is less than the diameter of fixed granule on the screen cloth, brush board upside still be connected with the grinding plate through No. two lifting unit, grinding plate bottom be equipped with and pass through the through-hole to the grinding rod of brush board downside.

In the energy-saving and environment-friendly fluidized bed host machine, the grinding head with a semicircular section is arranged at the bottom of the grinding rod, and when the grinding plate moves downwards to abut against the brush plate, the grinding head penetrates through the through hole and protrudes out of the lower end face of the brush plate.

In foretell fluidized bed host computer of energy-concerving and environment-protective, No. two lifting unit include and fix the lift seat at the brush board upside through vertical support, lapping plate and vertical support sliding connection, the lift seat on be equipped with the lift driver that two symmetries set up, the lift driver has the output shaft that can follow vertical direction and go up and down, the output shaft of lift driver runs through the lift seat and links firmly with the lapping plate.

In the above fluidized bed main unit, the rotating assembly includes a rotating driver fixed on the top of the fluidized bed main body, the rotating driver has an output shaft capable of rotating along the circumferential direction, and an end of the output shaft of the rotating driver is fixedly connected with the rotating plate.

In the above energy-saving and environment-friendly fluidized bed host, the rotary limiting structure comprises an annular limiting groove arranged at the top of the reaction chamber, and the top of the rotating plate is fixedly connected with an annular limiting block inserted into the annular limiting groove.

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

1. reaction gas or fluid can get into in the reaction chamber through the air inlet from can from down up passing through the screen cloth, at the intermittent type of fluidized bed work, a lifting unit can drive the brush structure and go up and down along vertical direction, a lifting unit drive brush structure descends and can brush the solid particle on the reaction chamber inner wall back to on the screen cloth through the brush structure, thereby can improve the reaction efficiency of fluidized bed during operation, thereby rotating assembly can drive the rotor plate and can drive the brush structure along rotation in a circumferential direction and rotate at brush structure during operation, thereby in order to improve the clean effect of brush structure to the reaction chamber inner wall.

2. The height of the gap is less than half of the height of the threaded sleeve, so that the threaded sleeve can be prevented from being separated from the lifting screw, and the damage to the screen caused by the scraping of the lifting screw and the screen when the rotating plate rotates can be prevented.

3. The rotating assembly drives the rotating plate to rotate, the brush plate can be driven to rotate, massive particles are coagulated into blocks on the screen mesh through the grinding structure when the brush plate rotates, the large particles are extruded and ground, and the massive particles are recovered into small particles, so that the reaction efficiency in the reaction chamber during the operation of the fluidized bed is improved.

4. No. two lifting unit can drive the lapping plate downstream to support with the brush board and lean on, and the grinding head on the grinding rod passes through the through-hole and the protrusion terminal surface under the brush board, and brush board downstream can drive the lapping plate downstream in step and make the grinding head be located the screen cloth upside, thereby can drive the lapping plate to rotate when rotating unit drive brush board rotates and can grind the massive bold granule that condenses into on the screen cloth through the grinding head.

Additional advantages, objects, and features of the utility model 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 utility model.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a schematic view of a portion of the present invention;

fig. 3 is an enlarged schematic view at a in fig. 1.

In the figure: fluidized bed main part 1, air inlet 2, reaction chamber 3, screen cloth 4, rotatory limit structure 5, rotor plate 6, rotating assembly 7, lifting unit 8, brush structure 9, brush board 10, lifting screw 11, circumference driver 12, swivel nut 13, grind 14, through-hole 15, No. two lifting unit 16, lapping plate 17, grinding rod 18, grinding head 19, vertical support 20, lift seat 21, lift driver 22, rotary driver 23, annular spacing groove 24, annular spacing piece 25, brush 30.

Detailed Description

As shown in fig. 1-3, an energy-saving and environment-friendly fluidized bed host comprises a fluidized bed main body 1, the bottom of the fluidized bed main body 1 is in an inverted cone shape and is provided with an air inlet 2, a reaction chamber 3 is arranged in the fluidized bed main body 1, a screen 4 is arranged on the lower side of the reaction chamber 3, the top of the reaction chamber 3 is rotatably connected with a rotating plate 6 through a rotary limiting structure 5, the fluidized bed main body 1 is further provided with a rotating assembly 7 connected with the rotating plate 6, and the rotating plate 6 is further connected with a brush structure 9 through a first lifting assembly 8.

In this embodiment, reactant gas or fluid can get into in the reaction chamber through air inlet 2 from can follow up passing through the screen cloth down, at the intermittent type of fluidized bed work, a lifting unit can drive the brush structure and go up and down along vertical direction, a lifting unit drive brush structure descends and can brush the solid particle on the reaction chamber inner wall back to on the screen cloth through the brush structure, thereby can improve the reaction efficiency of fluidized bed during operation, thereby rotating assembly 7 can drive the rotor plate and can drive the brush structure rotation along circumferential direction at brush structure during operation, thereby in order to improve the clean effect of brush structure to the reaction chamber inner wall.

Specifically, as shown in fig. 1-3, the brush structure 9 includes a brush plate 10 connected to the first lifting assembly 8, the side wall of the brush plate 10 is circumferentially provided with a brush 30, and the outer end of the brush abuts against the inner wall of the reaction chamber 3. A lifting unit can drive the brush board and go up and down along vertical direction, thereby can scrape the brush through the brush on the lateral wall to the reaction chamber inner wall when the brush board moves down and brush the solid particle of adhesion on the reaction chamber inner wall back to on the screen cloth.

Specifically, as shown in fig. 1-3, the first lifting assembly 8 includes two lifting screws 11 symmetrically disposed along a center line of the rotating plate 6, a circumferential driver 12 is further fixedly connected to the top of the rotating plate 6 and is capable of driving the lifting screws 11 to rotate, two threaded sleeves 13 are fixedly connected to the brush plate 10, and the lifting screws 11 pass through the threaded sleeves 13 and are in threaded connection with the threaded sleeves 13. Two circumference drivers can drive two lifting screw rods to rotate along the circumference synchronously, the lifting screw rods can drive the threaded sleeves to slide up and down along the lifting screw rods along the rotation of the circumference, and the threaded sleeves can drive the brush plate to lift along the vertical direction.

Those skilled in the art will appreciate that the circumferential drive may be a rotary cylinder or motor, or the like.

Preferably, as shown in fig. 1 to 3, a gap is formed between the lifting screw 11 and the screen 4, and the height of the gap is less than half of the height of the threaded sleeve 13, so that the threaded sleeve and the lifting screw can be prevented from being separated, and the screen can be prevented from being damaged due to scraping between the lifting screw and the screen when the rotating plate rotates.

Preferably, as shown in fig. 1-3, the brush plate 10 is further provided with a grinding structure 14 for scattering solid particles agglomerated on the screen 4. The rotating assembly drives the rotating plate to rotate, the brush plate can be driven to rotate, massive particles are coagulated into blocks on the screen mesh through the grinding structure when the brush plate rotates, the large particles are extruded and ground, and the massive particles are recovered into small particles, so that the reaction efficiency in the reaction chamber during the operation of the fluidized bed is improved.

Specifically, as shown in fig. 1-3, the grinding structure 14 includes a through hole 15 densely distributed on the brush plate 10, the diameter of the through hole 15 is smaller than the diameter of the fixed particles on the screen 4, the upper side of the brush plate 10 is further connected with a grinding plate 17 through a second lifting assembly 16, and the bottom of the grinding plate 17 is provided with a grinding rod 18 capable of passing through the through hole 15 to the lower side of the brush plate 10. The grinding rod 18 is provided at the bottom with a grinding head 19 having a semicircular cross section, and when the grinding plate 17 moves downward to abut against the brush plate 10, the grinding head 19 passes through the through hole 15 and protrudes from the lower end surface of the brush plate 10. No. two lifting unit can drive the lapping plate downstream to lean on with brush board 10, and the grinding head 19 on the grinding rod 18 passes through-hole 15 and protrusion terminal surface under brush board 10, and brush board 10 downstream can drive the lapping plate downstream in step and make the grinding head be located the screen cloth upside, thereby can drive the lapping plate to rotate when rotating unit drive brush board rotates and can grind the massive granule that becomes the cubic on the screen cloth through the grinding head.

Specifically, as shown in fig. 1-3, the second lifting assembly 16 includes a lifting seat 21 fixed on the upper side of the brush plate 10 by a vertical support 20, the grinding plate 17 is slidably connected to the vertical support 20, two symmetrically arranged lifting drivers 22 are disposed on the lifting seat 21, the lifting drivers 22 have output shafts capable of lifting in the vertical direction, and the output shafts of the lifting drivers 22 penetrate through the lifting seat 21 and are fixedly connected to the grinding plate 17. The lifting seat 21 is fixed on the brush plate through a vertical support to enable the lifting plate and the brush plate to lift synchronously, two lifting drivers can synchronously drive the grinding plate to lift along the vertical direction so that the grinding rod on the grinding plate can pass through the through hole, and the grinding plate 17 and the vertical support 20 are connected in a sliding mode to limit the grinding plate.

It will be appreciated by those skilled in the art that the lift drive may be a cylinder, linear motor, or the like.

Specifically, as shown in fig. 1 to fig. 3, the rotating assembly 7 includes a rotating driver 23 fixed on the top of the fluidized bed body 1, the rotating driver 23 has an output shaft capable of rotating along the circumferential direction, and the end of the output shaft of the rotating driver 23 is fixedly connected with the rotating plate 6. The rotary driver can drive the rotating plate to rotate along the circumferential direction, so that the brush plate can be driven to rotate.

It will be appreciated by those skilled in the art that the rotary drive may be a rotary cylinder or motor, or the like.

Specifically, as shown in fig. 1-3, the rotation limiting structure 5 includes an annular limiting groove 24 disposed at the top of the reaction chamber 3, and the top of the rotating plate 6 is fixedly connected to an annular limiting block 25 inserted into the annular limiting groove 24. The annular limiting groove and the annular limiting block are matched to limit the rotating plate when the rotating plate rotates.

The working principle of the utility model is as follows: reaction gas or fluid can enter the reaction chamber through the air inlet 2 and can pass through the screen from bottom to top, in the intermittent operation of the fluidized bed, the first lifting assembly can drive the brush structure to lift along the vertical direction, the first lifting assembly can drive the brush structure to descend and can brush solid particles on the inner wall of the reaction chamber back to the screen through the brush structure, so that the reaction efficiency of the fluidized bed during operation can be improved, the rotating assembly 7 can drive the rotating plate to rotate along the circumferential direction during the operation of the brush structure so as to drive the brush structure to rotate, and the cleaning effect of the brush structure on the inner wall of the reaction chamber can be improved;

the first lifting assembly can drive the brush plate to lift in the vertical direction, when the brush plate moves downwards, solid particles adhered to the inner wall of the reaction chamber can be brushed to the screen mesh by the brushes on the side walls, the two circumferential drivers can synchronously drive the two lifting screws to rotate in the circumferential direction, the lifting screws can drive the threaded sleeves to slide up and down along the lifting screws by rotating in the circumferential direction, the brush plate can be driven to lift in the vertical direction by the movement of the threaded sleeves, the threaded sleeves can be prevented from being separated from the lifting screws by the fact that the height of a gap is less than half of the height of the threaded sleeves 13, and the damage to the screen mesh caused by the fact that the lifting screws and the screen mesh are cut and wiped when the rotating plate rotates can be prevented;

the brush board can be driven to rotate when the rotating component drives the rotating plate to rotate, massive particles condensed into blocks on the screen mesh can be extruded and ground to restore massive particles into small particles through the grinding structure when the brush board rotates, so that the reaction efficiency in the reaction chamber of the fluidized bed during working is improved, the second lifting component can drive the grinding board to move downwards to abut against the brush board 10, a grinding head 19 on the grinding rod 18 penetrates through a through hole 15 and protrudes out of the lower end surface of the brush board 10, the brush board 10 can synchronously drive the grinding board to move downwards to enable the grinding head to be positioned on the upper side of the screen mesh, the rotating component drives the brush board to rotate, so that the grinding rod on the grinding board can be driven to rotate through the grinding head to grind massive particles condensed into blocks on the screen mesh, a lifting seat 21 can enable the lifting plate and the brush board to synchronously lift through a vertical support to be fixed on the brush board, two lifting drivers can synchronously drive the grinding board to lift along the vertical direction, so that the grinding rod on the grinding board can penetrate through the through hole The grinding plate 17 and the vertical support 20 are connected in a sliding mode and can limit the grinding plate, the rotary driver can drive the rotary plate to rotate along the circumferential direction and can drive the brush plate to rotate, and the annular limiting groove and the annular limiting block are matched to limit the rotary plate when the rotary plate rotates.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the fluidized bed body 1, the gas inlet 2, the reaction chamber 3, the screen 4, the rotation limiting structure 5, the rotating plate 6, the rotating assembly 7, the first elevating assembly 8, the brush structure 9, the brush plate 10, the elevating screw 11, the circumferential driver 12, the screw housing 13, the grinding structure 14, the through hole 15, the second elevating assembly 16, the grinding plate 17, the grinding rod 18, the grinding head 19, the vertical support 20, the elevating seat 21, the elevating driver 22, the rotation driver 23, the annular limiting groove 24, the annular limiting block 25, the brush 30, etc., are more used herein, these terms are merely used to more conveniently describe and explain the essence of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides an energy-concerving and environment-protective fluidized bed host computer, includes fluidized bed main part (1), its characterized in that, fluidized bed main part (1) bottom be the back taper and be equipped with air inlet (2), fluidized bed main part (1) in be equipped with reaction chamber (3), reaction chamber (3) downside be equipped with screen cloth (4), reaction chamber (3) top rotate through rotatory limit structure (5) and be connected with rotor plate (6), fluidized bed main part (1) on still be equipped with rotating assembly (7) that link to each other with rotor plate (6), rotor plate (6) on still be connected with brush structure (9) through a lifting unit (8).

2. The energy-saving and environment-friendly fluidized bed main unit as claimed in claim 1, wherein the brush structure (9) comprises a brush plate (10) connected with a first lifting assembly (8), a brush (30) is circumferentially arranged on a side wall of the brush plate (10), and an outer end of the brush abuts against an inner wall of the reaction chamber (3).

3. The energy-saving and environment-friendly fluidized bed host machine according to claim 2, wherein the first lifting assembly (8) comprises two lifting screws (11) symmetrically arranged along the center line of the rotating plate (6), a circumferential driver (12) capable of driving the lifting screws (11) to rotate is further fixedly connected to the top of the rotating plate (6), two threaded sleeves (13) are fixedly connected to the brush plate (10), and the lifting screws (11) penetrate through the threaded sleeves (13) and are in threaded connection with the threaded sleeves (13).

4. The energy-saving and environment-friendly fluidized bed host machine according to claim 3, characterized in that a gap is formed between the lifting screw (11) and the screen (4), and the height of the gap is less than half of the height of the screw sleeve (13).

5. An energy-saving and environment-friendly fluidized bed main machine as claimed in claim 2, 3 or 4, wherein the brush plate (10) is further provided with a grinding structure (14) for scattering solid particles condensed into blocks on the screen (4).

6. The energy-saving and environment-friendly fluidized bed main machine as claimed in claim 5, wherein the grinding structure (14) comprises through holes (15) densely distributed on the brush plate (10), the diameter of the through holes (15) is smaller than that of the fixed particles on the screen (4), the upper side of the brush plate (10) is further connected with a grinding plate (17) through a second lifting assembly (16), and the bottom of the grinding plate (17) is provided with a grinding rod (18) which can pass through the through holes (15) to the lower side of the brush plate (10).

7. The energy-saving and environment-friendly fluidized bed main machine as claimed in claim 6, wherein the grinding head (19) with a semicircular cross section is arranged at the bottom of the grinding rod (18), and when the grinding plate (17) moves downwards to abut against the brush plate (10), the grinding head (19) passes through the through hole (15) and protrudes out of the lower end face of the brush plate (10).

8. The energy-saving and environment-friendly fluidized bed host machine according to claim 6, wherein the second lifting assembly (16) comprises a lifting seat (21) fixed on the upper side of the brush plate (10) through a vertical support (20), the grinding plate (17) is slidably connected with the vertical support (20), two symmetrically arranged lifting drivers (22) are arranged on the lifting seat (21), each lifting driver (22) has an output shaft capable of lifting in the vertical direction, and the output shafts of the lifting drivers (22) penetrate through the lifting seat (21) and are fixedly connected with the grinding plate (17).

9. The energy-saving and environment-friendly fluidized bed host machine as claimed in claim 1, 2, 3 or 4, wherein the rotating assembly (7) comprises a rotating driver (23) fixed on the top of the fluidized bed body (1), the rotating driver (23) has an output shaft capable of rotating along the circumferential direction, and the end of the output shaft of the rotating driver (23) is fixedly connected with the rotating plate (6).

10. The energy-saving and environment-friendly fluidized bed host machine according to claim 1, 2, 3 or 4, wherein the rotation limiting structure (5) comprises an annular limiting groove (24) arranged at the top of the reaction chamber (3), and the top of the rotating plate (6) is fixedly connected with an annular limiting block (25) inserted into the annular limiting groove (24).