CN110092205B

CN110092205B - Limestone conveying system

Info

Publication number: CN110092205B
Application number: CN201910321653.2A
Authority: CN
Inventors: 张寿根; 肖翰; 叶一舟; 萧亚兵
Original assignee: Zhejiang Gute Pneumatic Machinery Co ltd
Current assignee: Zhejiang Gute Pneumatic Machinery Co ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2021-04-16
Anticipated expiration: 2039-04-22
Also published as: CN110092205A

Abstract

The invention discloses a limestone conveying system, which comprises a conveying device and a second conveying device, wherein the second conveying device is fixed on one side of the first conveying device, a limestone conveying pipeline is designed in the limestone conveying system, the pipelines are connected in a sealing and connecting mode through a connecting motor and an automatic connecting device, a rotatable air supply device is added at the connecting position, particles are prevented from depositing in the conveying process through air supply at different angles, the pipelines are in a sectional type, each section is lifted by using an electric motor, the pipelines are convenient to replace and maintain, a slide rail slide block is convenient to fix, disassemble and replace an internal ceramic shell, anti-skid grains are engraved on the outer surface of a rotating block, the use of an extrusion device is convenient, and a motor protective cover is used for protecting and connecting a motor.

Description

Limestone conveying system

Technical Field

The invention relates to the technical field of limestone conveying, in particular to a limestone conveying system.

Background

The desulfurization in the circulating fluidized bed boiler adopts a limestone blending combustion process so as to reach the desulfurization index of national environmental protection requirements. Generally, an independent limestone desulfurization system is selected, namely a limestone feeding system and a coal feeding system are completely separated, and the limestone feeding amount can be freely adjusted at any time according to the emission value of SO2, SO that the aims of ensuring emission and economic operation are fulfilled.

The existing limestone conveying system is relatively perfect, but the existing limestone conveying pipeline needs to be frequently replaced, the replacement mode is relatively troublesome, the whole replacement is needed, a large amount of manpower and material resources are consumed, the waste is caused by redundant materials, the replacement cost is relatively high, the production is delayed, the production efficiency of the circulating fluidized bed boiler is reduced, and therefore the limestone conveying system is provided.

Disclosure of Invention

The present invention is directed to a limestone conveying system to solve the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a limestone conveying system comprises a conveying device and a second conveying device, wherein the second conveying device is fixed on one side of the first conveying device.

Preferably, first conveyor constitutes by extrusion device, connecting device, elevating gear, air supplement unit, go-between, protective housing and ceramic shell with second conveyor, the inside ceramic shell that is equipped with of protective housing, be equipped with extrusion device between protective housing and the ceramic shell, and through extrusion device fixed connection, the extrusion device symmetry is equipped with six, the protective housing both sides are fixed with connecting device, connecting device is equipped with threely, and is central symmetry, ceramic shell inner wall is fixed with air supplement unit, air supplement unit is equipped with a plurality ofly, and is central symmetry part, ceramic shell one side is equipped with the go-between, be equipped with the spread groove between go-between and the ceramic shell, through go-between and spread groove sliding connection between the ceramic shell, the protective housing bottom is fixed with elevating gear.

Preferably, the extrusion device comprises slide rail, slider, threaded rod and turning block, ceramic shell external surface is fixed with the slide rail, the inside slider that is equipped with of slide rail, the slider top is equipped with the threaded rod, the threaded rod rotates with the slider to be connected, threaded rod and protective housing threaded connection, the threaded rod top is fixed with the turning block.

Preferably, the outer surface of the rotating block is carved with anti-skid lines.

Preferably, the connecting device comprises an installation shell, a connecting spring, a sliding plate, a handle, a connecting block, a fixed shell, a connecting motor, a driving gear, a driven gear, a sleeve, a threaded column and a conical block, the installation shell is fixed on the outer surface of the protection shell, the connecting spring is fixed on the inner wall of the installation shell, the sliding plate is fixed at one end, away from the installation shell, of the connecting spring, the connecting block is fixed on one side of the sliding plate, the connecting block and the sliding plate are respectively in sliding connection with the installation shell, the handle is fixed on the top of the sliding plate, the handle is in sliding connection with the installation shell, an extrusion groove is formed in the connecting block, the conical block is arranged in the extrusion groove, the threaded column is fixed on the top of the conical block, the sleeve is arranged on the top of the threaded column, the sleeve is, the improved socket is characterized in that the fixed shell is connected with the sleeve in a rotating mode, a groove is formed between the fixed shell and the threaded column and is in sliding connection with the threaded column through the groove, a driven gear is fixed to the top of the sleeve, a driving gear is arranged on one side of the driven gear and is meshed with the driven gear, a connecting motor is fixed to the bottom of the driving gear, and the connecting motor is fixedly connected with the fixed shell.

Preferably, a motor protective cover is fixed on the top of the fixed shell.

Preferably, the air supplement unit comprises mounting panel, tonifying qi shell, rotation cover, impeller and blast pipe, the ceramic shell inner wall is fixed with the mounting panel, the mounting panel top is fixed with the tonifying qi shell, the inside impeller that is equipped with of tonifying qi shell, the impeller rotates with the mounting panel to be connected, the impeller top is fixed with the rotation cover, it rotates with the tonifying qi shell through the impeller to rotate the cover and is connected, tonifying qi shell top is equipped with the exhaust hole, tonifying qi shell top is fixed with the blast pipe, and inside intercommunication.

Preferably, elevating gear comprises lift shell, thread bush, lift post, lead screw, elevator motor and roof, the protective housing top is fixed with the lift shell, the lift shell inner wall is fixed with the thread bush, the thread bush bottom is equipped with the lift post, lift post and lift shell sliding connection, lift post and thread bush sliding connection, the inside lead screw that is equipped with of lift post, lead screw and thread bush threaded connection, the lead screw bottom mounting has elevator motor, the elevator motor bottom is fixed with the roof.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention designs a limestone conveying pipeline, the pipelines are sealed and connected in a connection mode of an automatic connecting device through connecting a motor, a rotatable air supplement device is added at the connection position, particles are prevented from depositing in the transportation process through air supplement at different angles, the pipeline adopts a sectional type, each section is electrically lifted, and the pipeline is convenient to replace and maintain.

2. According to the invention, the ceramic shell is arranged to reduce the abrasion of the pipeline, the slide rail sliding block is used for facilitating the fixing, dismounting and replacing of the internal ceramic shell, the anti-skid grains are engraved on the outer surface of the rotating block for facilitating the use of the extrusion device, and the motor protective cover is used for protecting the connecting motor.

Drawings

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

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a partial cross-sectional view of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 2;

FIG. 5 is an enlarged view of area B of FIG. 1;

FIG. 6 is an enlarged view of area C of FIG. 3;

FIG. 7 is a partial cross-sectional view of the gas supply device.

In the figure: 1-a first conveying device; 2-a second conveying device; 3-an extrusion device; 4-a connecting means; 5-a lifting device; 6-a gas supplementing device; 7-connecting grooves; 8-connecting rings; 9-protective shell; 10-a ceramic shell; 11-a slide rail; 12-a slide block; 13-a threaded rod; 14-a turning block; 15-mounting the housing; 16-connecting a spring; 17-a slide plate; 18-a handle; 19-connecting block; 20-extruding a groove; 21-fixing the shell; 22-connecting the motor; 23-a drive gear; 24-a driven gear; 25-a sleeve; 26-a threaded post; 27-a conical block; 28-grooves; 29-motor protection cover; 30-mounting a plate; 31-tonifying qi shell; 32-rotating the cover; 33-vent hole; 34-an impeller; 35-an exhaust pipe; 36-a lifting housing; 37-a threaded sleeve; 38-lifting column; 39-a screw rod; 40-a lifting motor; 41-top plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a limestone conveying system comprises a first conveying device 1 and a second conveying device 2, wherein the second conveying device 2 is fixed on one side of the first conveying device 1, and the first conveying device 1 and the second conveying device 2 jointly provide limestone transportation.

The first conveying device 1 and the second conveying device 2 are composed of an extrusion device 3, a connecting device 4, a lifting device 5, an air supplement device 6, a connecting ring 8, a protective shell 9 and a ceramic shell 10, the ceramic shell 10 is arranged inside the protective shell 9, the extrusion device 3 is arranged between the protective shell 9 and the ceramic shell 10 and fixedly connected with the extrusion device 3, six extrusion devices 3 are symmetrically arranged, the connecting device 4 is fixed on two sides of the protective shell 9, the connecting device 4 is three and is in central symmetry, the air supplement device 6 is fixed on the inner wall of the ceramic shell 10, the air supplement devices 6 are provided with a plurality of air supplement devices and are in central symmetry parts, the connecting ring 8 is arranged on one side of the ceramic shell 10, the connecting ring 7 is arranged between the connecting ring 8 and the ceramic shell 10, the ceramic shell 10 is in sliding connection with the connecting ring 8 and the connecting groove 7, the lifting device 5 is fixed at the bottom of, the connecting device 4 is used for facilitating fixing and dismounting between pipelines, the extrusion device 3 is used for facilitating replacement of the ceramic shell 10 inside, the lifting device 5 is used for facilitating replacement of the conveying device, the air supplementing device 6 provides redundant gas assistance force, the conveying distance of limestone is increased, the ceramic shell 10 is used as an internal conveying abrasion part, the abrasion period is long, and the service life is long.

Extrusion device 3 comprises slide rail 11, slider 12, threaded rod 13 and turning

block

14, 10 external surface fixing of ceramic shell has slide rail 11, slide rail 11 is inside to be equipped with slider 12, slider 12 top is equipped with threaded rod 13, threaded rod 13 rotates with slider 12 to be connected, threaded

rod

13 and 9 threaded connection of protective housing, threaded rod 13 top is fixed with turning block 14, the change of being convenient for fixed and dismantlement of inside ceramic shell 10.

The outer surface of the rotating block 14 is carved with anti-skid lines, so that the extrusion device 3 is convenient to use.

When the internal ceramic shell 10 is used for a long time and is worn seriously, the rotating block 14 is rotated, the rotating block 14 drives the threaded rod 13 to rotate, the sliding block 12 is separated from the sliding rail 11, the internal ceramic shell 10 can be replaced in a sliding mode, and after the ceramic shell 10 is replaced, the rotating block 14 is rotated reversely, and finally the ceramic shell 10 is fixed.

The connecting device 4 comprises an installation shell 15, a connecting spring 16, a sliding plate 17, a handle 18, a connecting block 19, a fixed shell 21, a connecting motor 22, a driving gear 23, a driven gear 24, a sleeve 25, a threaded column 26 and a tapered block 27, the outer surface of the protective shell 9 is fixed with the installation shell 15, the inner wall of the installation shell 15 is fixed with the connecting spring 16, one end of the connecting spring 16, far away from the installation shell 15, is fixed with the sliding plate 17, one side of the sliding plate 17 is fixed with the connecting block 19, the connecting block 19 and the sliding plate 17 are respectively connected with the installation shell 15 in a sliding manner, the top of the sliding plate 17 is fixed with the handle 18, the handle 18 is connected with the installation shell 15 in a sliding manner, an extrusion groove 20 is arranged inside the connecting block 19, the tapered block 27 is arranged inside the extrusion groove 20, the top of the tapered block 27 is, sleeve 25 and threaded column 26 threaded connection, threaded column 26 is equipped with fixed shell 21 with sleeve 25 surface, fixed shell 21 rotates with sleeve 25 and is connected, be equipped with recess 28 between fixed shell 21 and the threaded column 26, and through recess 28 sliding connection, sleeve 25 top is fixed with driven gear 24, driven gear 24 one side is equipped with driving gear 23, driving gear 23 and driven gear 24 meshing, driving gear 23 bottom is fixed with connection motor 22, connect motor 22 and fixed shell 21 fixed connection, realize connecting device 4 automatic locking through connecting motor 22.

And a motor protective cover 29 is fixed at the top of the fixed shell 21 and used for protecting the connecting motor 22.

When conveyor uses for a long time and needs to be changed, connect motor 22 and rotate, drive sleeve 25 and rotate, finally drive screw thread post 26 and rise, drive toper piece 27 and break away from extrusion groove 20, at this moment, connecting spring 16 kick-backs, drives connecting block 19 and breaks away from fixed shell 21, just can directly open between the conveyor, after the change finishes, connects motor 22 antiport, locks conveyor.

The air supplement unit 6 comprises mounting panel 30, tonifying qi shell 31, rotation cover 32, impeller 34 and

blast pipe

35, 10 inner walls of ceramic shell are fixed with mounting panel 30, mounting panel 30 top is fixed with tonifying qi shell 31, the inside impeller 34 that is equipped with of tonifying qi shell 31, gaseous follow tonifying qi shell 31, get into impeller 34, impeller 34 rotates with mounting panel 30 to be connected, impeller 34 top is fixed with rotation cover 32, it rotates with tonifying qi shell 31 through impeller 34 to rotate cover 32 and is connected, tonifying qi shell 31 top is equipped with exhaust hole 33, tonifying qi shell 31 top is fixed with blast pipe 35, and inside intercommunication provides transportation power, the long-time long-distance transport of the lime stone of being convenient for.

When the limestone is conveyed to the position of the air supplementing device 6, the gas enters the impeller 34 from the air supplementing shell 31 to drive the impeller 34 to rotate, the impeller 34 drives the rotating cover 32 to rotate, and finally the exhaust pipe 35 is driven to rotate, so that the aim of pushing limestone powder at different angles is fulfilled.

Elevating gear 5 comprises lift shell 36, thread bush 37, lift post 38, lead screw 39, elevator motor 40 and

roof

41, 9 tops of protective housing are fixed with

lift shell

36, 36 inner wall fixings of lift shell have thread bush 37, thread bush 37 bottom is equipped with lift post 38,

lift post

38 and 36 sliding connection of lift shell,

lift post

38 and 37 sliding connection of thread bush, the inside lead screw 39 that is equipped with of lift post 38,

lead screw

39 and 37 threaded connection of thread bush, lead screw 39 bottom mounting has elevator motor 40, elevator motor 40 bottom is fixed with roof 41, is convenient for the holistic rising of conveyor to descend through elevating gear 5, is convenient for conveyor's maintenance and inside change.

When the conveying device is replaced, after the connecting device 4 is disassembled, the lifting motor 40 rotates to drive the screw rod 39 to rotate, the screw rod 39 drives the threaded sleeve 37 to descend, and finally the conveying device is driven to descend, so that the conveying device is convenient to replace and maintain.

In the scheme, the connection motor 22 is preferably of an M20 model, the lifting motor 40 is preferably of a Y80M1-2 model, a motor running circuit is a normal motor forward and reverse rotation control program, circuits and control related in the invention are the prior art, and redundant description is not repeated herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A limestone conveying system comprising a first conveying device (1) and a second conveying device (2), characterized in that: a second conveying device (2) is fixed on one side of the first conveying device (1);

the first conveying device (1) and the second conveying device (2) are composed of an extrusion device (3), a connecting device (4), a lifting device (5), an air supplementing device (6), a connecting ring (8), a protective shell (9) and a ceramic shell (10), the ceramic shell (10) is arranged inside the protective shell (9), the extrusion device (3) is arranged between the protective shell (9) and the ceramic shell (10) and is fixedly connected with the extrusion device (3), the extrusion device (3) is symmetrically provided with six, the connecting devices (4) are fixed on two sides of the protective shell (9), the number of the connecting devices (4) is three, the connecting devices are centrosymmetric, the air supplementing device (6) is fixed on the inner wall of the ceramic shell (10), the air supplementing device (6) is provided with a plurality of air supplementing devices and is a centrosymmetric part, the connecting ring (8) is arranged on one side of the ceramic shell (10), a connecting groove (7) is formed between the connecting ring (8) and the ceramic shell (10), the ceramic shell (10) is in sliding connection with the connecting groove (7) through the connecting ring (8), and a lifting device (5) is fixed at the bottom of the protective shell (9);

the connecting device (4) is composed of an installation shell (15), a connecting spring (16), a sliding plate (17), a handle (18), a connecting block (19), a fixed shell (21), a connecting motor (22), a driving gear (23), a driven gear (24), a sleeve (25), a threaded column (26) and a conical block (27), the installation shell (15) is fixed on the outer surface of the protective shell (9), the connecting spring (16) is fixed on the inner wall of the installation shell (15), the sliding plate (17) is fixed at one end, far away from the installation shell (15), of the connecting spring (16), the connecting block (19) is fixed on one side of the sliding plate (17), the connecting block (19) and the sliding plate (17) are respectively in sliding connection with the installation shell (15), the handle (18) is fixed at the top of the sliding plate (17), and the handle (18) is in sliding connection with the installation shell (15, the improved screw extruder is characterized in that an extrusion groove (20) is arranged inside the connecting block (19), a conical block (27) is arranged inside the extrusion groove (20), a threaded column (26) is fixed to the top of the conical block (27), a sleeve (25) is arranged at the top of the threaded column (26), the sleeve (25) is in threaded connection with the threaded column (26), a fixed shell (21) is arranged on the outer surfaces of the threaded column (26) and the sleeve (25), the fixed shell (21) is in rotational connection with the sleeve (25), a groove (28) is formed between the fixed shell (21) and the threaded column (26) and is in sliding connection with the groove (28), a driven gear (24) is fixed to the top of the sleeve (25), a driving gear (23) is arranged on one side of the driven gear (24), the driving gear (23) is meshed with the driven gear (24), a connecting motor (22) is fixed to the bottom of the driving, the connecting motor (22) is fixedly connected with the fixed shell (21).

2. The limestone conveying system of claim 1 wherein: extrusion device (3) comprises slide rail (11), slider (12), threaded rod (13) and turning block (14), ceramic shell (10) external fixed surface has slide rail (11), slide rail (11) inside is equipped with slider (12), slider (12) top is equipped with threaded rod (13), threaded rod (13) rotate with slider (12) and are connected, threaded rod (13) and protective housing (9) threaded connection, threaded rod (13) top is fixed with turning block (14).

3. The limestone conveying system of claim 2 wherein: the outer surface of the rotating block (14) is carved with anti-skid grains.

4. The limestone conveying system of claim 1 wherein: and a motor protective cover (29) is fixed at the top of the fixed shell (21).

5. The limestone conveying system of claim 1 wherein: tonifying qi device (6) comprises mounting panel (30), tonifying qi shell (31), rotation cover (32), impeller (34) and blast pipe (35), ceramic shell (10) inner wall is fixed with mounting panel (30), mounting panel (30) top is fixed with tonifying qi shell (31), inside impeller (34) that is equipped with of tonifying qi shell (31), gas follow tonifying qi shell (31) get into impeller (34), impeller (34) rotate with mounting panel (30) and are connected, impeller (34) top is fixed with rotation cover (32), it rotates with tonifying qi shell (31) through impeller (34) to rotate cover (32) and is connected, tonifying qi shell (31) top is equipped with exhaust hole (33), tonifying qi shell (31) top is fixed with blast pipe (35), and inside intercommunication.

6. The limestone conveying system of claim 1 wherein: elevating gear (5) comprises lift shell (36), thread bush (37), lift post (38), lead screw (39), elevator motor (40) and roof (41), protective housing (9) top is fixed with lift shell (36), lift shell (36) inner wall is fixed with thread bush (37), thread bush (37) bottom is equipped with lift post (38), lift post (38) and lift shell (36) sliding connection, lift post (38) and thread bush (37) sliding connection, lift post (38) inside lead screw (39) that is equipped with, lead screw (39) and thread bush (37) threaded connection, lead screw (39) bottom mounting has elevator motor (40), elevator motor (40) bottom mounting has roof (41).