CN210001046U

CN210001046U - Disturbance device of biomass stokehole feeding bin

Info

Publication number: CN210001046U
Application number: CN201920580615.4U
Authority: CN
Inventors: 邓海波; 崔存金; 俞文茂
Original assignee: Qingdao Hightop Electric Power Technology Co Ltd; Qingdao Songling Power Environmental Equipment Co Ltd
Current assignee: Qingdao Hightop Electric Power Technology Co Ltd; Qingdao Songling Power Environmental Equipment Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-01-31
Anticipated expiration: 2029-04-26

Abstract

kind of disturbance device of living beings stokehold feeding feed bin, including disturbance main part, actuating mechanism, the disturbance main part includes that disturbance axle, a plurality of are fixed to be set up in the disturbance epaxial disturbance sleeve subassembly, a plurality of disturbance sleeve subassembly adopts the mode of every rotatory 15-45 angles of group to fix on the disturbance axle, disturbance sleeve subassembly evenly sets up the disturbance tooth on the disturbance axle including fixed the disturbance tooth cover that sets up in the disturbance axle and a plurality of, and the disturbance tooth root is divided into cylindric disturbance tooth, leaf form disturbance tooth and three kinds of paddle form disturbance tooth according to the difference of application place.

Description

Disturbance device of biomass stokehole feeding bin

Technical Field

The utility model belongs to biomass boiler's burning power generation field, specific be kinds of biomass stokehold feeding feed bin's disturbance device.

Background

The biomass fuel resources in China are rich, and the traditional utilization efficiency of the biomass resources is too low, so that the trend of biomass fuel utilization is to change the dispersed combustion into the concentrated combustion power generation, and the biomass energy power generation in China is well developed in recent years due to the support of the policy in China.

However, because the biomass material has low density and high moisture content, in a biomass boiler power generation system, the material has the characteristics of easy blockage, arch camber and the like in the conveying process from the storage bin to the boiler, and the problem is particularly serious when the storage bin is transferred to -level conveying equipment.

At the same time, because the helical blades have the functions of stirring and conveying, the contact with the materials is continuous surface contact, and in addition, the pressure of a large amount of materials in the bin at the upper part of the helical shaft needs to provide larger power for helical equipment additionally.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide kinds of feed bin disturbance devices that are used for living beings stokehold feeding that can solve above-mentioned problem.

For solving the above problem the utility model discloses a technical scheme be:

disturbance devices of a feeding bin of a biomass stokehole, comprising a disturbance main body and a driving mechanism, wherein the disturbance main body is arranged in the bin, the driving mechanism drives the disturbance main body to rotate, the disturbance main body comprises a disturbance shaft and a plurality of uniform disturbance sleeve pipe assemblies which are fixedly arranged on the disturbance shaft, the plurality of disturbance sleeve pipe assemblies are fixed on the disturbance shaft in a manner that each group rotates by 15-45 degrees, each disturbance sleeve pipe assembly comprises a disturbance tooth sleeve which is fixedly arranged on the disturbance shaft and a plurality of disturbance teeth which are uniformly arranged on the disturbance tooth sleeve, and the disturbance teeth are divided into three types according to different application places;

the cylindrical disturbing tooth is applied to cylindrical disturbing teeth with high material hardness;

the blade-shaped disturbance tooth is applied to the blade-shaped disturbance tooth with low material hardness and large flexibility;

the flexible and twisted paddle-shaped disturbing tooth is applied to paddle-shaped disturbing teeth with large material flexibility and serious winding.

Preferably, grooves are formed on three edges of the tooth body of the blade-shaped disturbing tooth;

the blade-shaped disturbance tooth is characterized in that grooves are formed in three edges of a tooth body of the blade-shaped disturbance tooth, α angles are formed between tooth surfaces and the axial section of the disturbance tooth sleeve, and the α angle is 0-45 degrees.

Preferably, the driving mechanism comprises a transmission shaft arranged at two ends of the disturbance shaft and penetrating through the storage bin, a rotating support arranged on the transmission shaft and a motor reducer connected with the end of the transmission shaft.

Preferably, a sealing element is arranged at the intersection of the transmission shaft and the storage bin.

Preferably, the transmission shaft and the disturbance shaft are connected through a connecting flange.

Preferably, the motor reducer is arranged on the motor support.

Preferably, rotating supports are fixedly arranged on the motor support, and another rotating supports are fixedly arranged on the wall of the silo.

Preferably, 2-8 disturbing teeth are fixedly arranged on the disturbing tooth sleeve.

Preferably, each adjacent disturbing sleeve assembly provided with the paddle-shaped disturbing teeth is arranged in a positive and negative way on the disturbing shaft.

Preferably, the perturbation devices are arranged in at least 1 group.

Has the advantages that:

1. the original spiral mode is changed into a mode of disturbing a disturbing moving shaft by a sleeve assembly, and the structure is greatly simplified.

2. The batch and the diversification of sleeve pipe assembly have increased the selectivity of disturbance device, adapt to different materials.

3. The batch of sleeve pipe subassembly can be as required freely adjust the interval and relative angle between each subassembly, has reduced intensity of labour.

4. The structure of the disturbance teeth is easier to permeate into the agglomerated and arched materials, so that the materials are better dispersed.

5. Compared with a spiral structure, the toothed structure reduces the material conveying power, greatly reduces the motor power and reduces the energy consumption.

6. Because of the reduction of the power of the motor, each perturbation device can select to individually configure the power under appropriate conditions, and can share sets of power systems.

7. The unit cost is low, the field installation is easy, and the operation and maintenance are simple.

Drawings

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

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the cylindrical disturbing tooth structure of the present invention;

FIG. 4 is a schematic view of the structure of the blade-shaped disturbing teeth of the present invention;

FIG. 5 is a schematic view of the structure of the paddle-shaped disturbing teeth of the present invention;

fig. 6 is a schematic view of angle α of the present invention;

fig. 7 is a schematic view of the fixing position of the disturbance assembly on the disturbance shaft of of the present invention;

fig. 8 is a schematic view of the installation structure of the paddle-shaped disturbing teeth of the present invention.

In the figure: 1. motor reducer, 2, motor support, 3, transmission shaft, 4, rotation support, 5, sealing member, 6, flange, 7, disturbance tooth, 8, disturbance tooth cover, 9, disturbance axle, 10, disturbance sleeve pipe subassembly, 11, disturbance main part, 100, feed bin, 200, material, 300, disturbance device.

Detailed Description

The essential features and advantages of the invention will be explained in with reference to an example, but the invention is not limited to the embodiments shown.

Referring to fig. 1-8, the structure of a disturbance device for biomass stokehole feeding bins according to an embodiment of the present invention is shown, and for convenience of illustration, only the relevant parts of the embodiment of the present invention are shown.

Example 1

kind of disturbance device of living beings stokehold feeding feed bin, including disturbance device 300, disturbance device 300 is including setting up the disturbance main part 11 that is used for stirring the material in feed bin 100, setting up the actuating mechanism that provides power for disturbance main part 11 outside feed bin 100, disturbance main part 11 includes disturbance axle 9 and the even fixed disturbance thimble assembly 10 that sets up on disturbance axle 9 of a plurality of, as shown in fig. 7, a plurality of disturbance thimble assembly 10 adopts every rotatory to decide the mode setting on disturbance axle 9 of angle, disturbance thimble assembly 10 is including fixed disturbance tooth cover 8 and the fixed cylindric disturbance tooth that sets up on disturbance tooth cover 8 that sets up on disturbance axle 9, and disturbance tooth 7 forms inclosed threadiness easily when too close, crosses and then less with the contact of material 200, can not play fine disturbance material 200's effect all, disturbance tooth 7 sets up 2-8 on disturbance tooth cover 8.

The cross section of cylindric disturbance tooth is circular, and cylindric disturbance tooth is when meetting the material that hardness is high, if: wooden class grey pole, cylindric disturbance tooth utilize its cylindric form can reduce the material to the destruction of disturbance tooth, increase of service life, and the material that hardness is high is difficult for twining, only needs cylindric disturbance tooth to play pure disturbance effect, and cylindric disturbance tooth's appearance is smooth, area of contact can reduce the disturbance resistance when the disturbance for a short time, improves work efficiency.

The two ends of the disturbance shaft 9 are respectively connected with the transmission shaft 3 through the connecting flanges 6, the transmission shaft 3 penetrates through the storage bin 100, and the sealing piece 5 for preventing the leakage of the material 200 is arranged outside the intersection of the transmission shaft 3 and the storage bin 100.

The disturbing device 300 is provided with at least groups, and multiple groups can be matched according to the size ratio of the storage bin 100 and the disturbing device 300.

The utility model discloses a main effect is to carry out the disturbance to the material, prevents that the material from knoing, arching, blocking, is different from still carrying the material in the axial direction when the disturbance material of spiral disturbance device, so the utility model discloses the electric power that motor reducer used is less than the motor of spiral disturbance structure far away and uses, and during multiunit disturbance device 300, both can use independent actuating mechanism by every group disturbance device, also can actuating mechanism, the energy can be saved that multiunit disturbance device shares.

Actuating mechanism sets up motor reducer 1, motor reducer 1 installs on motor support 2, motor reducer 1 is connected with the end of transmission shaft 3, set up rotation support 4 on the transmission shaft 3, rotation support 4 set up in on the motor support 2, rotation support 4 are fixed to be set up in the outside of 100 walls of feed bin in addition, rotation support 4 is used for supporting transmission shaft 3.

The utility model discloses a motor reducer 1 drives through transmission shaft 3 and sets up in the disturbance main part 11 of feed bin 100 and rotate, and each disturbance cover subassembly 10 in the disturbance main part 11 is rotatory 15-45 angle settings on the disturbance axle 9, prevents that the material 200 that closes on can not disturbed because of the position difference, and the material 200 is dispersed through the 7 disturbances of disturbance tooth of disturbance cover subassembly 10, and is even to fall into on the lower part spiral delivery mechanism.

Example 2

disturbing devices of biomass stokehole feeding bins, the difference between the embodiment and the embodiment 1 is that the embodiment changes the form of the disturbing teeth 7.

Specifically, the disturbance teeth 7 are changed from a cylindrical shape to a blade shape. The blade-shaped disturbance tooth is suitable for materials with low hardness and high flexibility. Grooves are formed in three edges of the blade-shaped disturbing teeth to form sharp edges, so that materials can be cut off conveniently; the surface area of the disturbance tooth of the blade-shaped disturbance tooth is large, the material winding on the disturbance tooth can be reduced, even if the blade rotates to receive winding resistance, the sharp edge of the blade-shaped disturbance tooth can cut off the material, and the blade-shaped disturbance tooth can better prevent the material from arching and blocking.

Example 3

disturbing devices of biomass stokehole feeding bins are different from the

embodiments

1 and 2 in that the embodiment changes the form of the disturbing teeth 7 and the installation direction of the disturbing sleeve assembly.

The paddle-shaped disturbing tooth 7 is in a paddle shape, is deformed and is suitable for materials with low hardness and high flexibility, can efficiently solve the problem of serious blockage and winding, is provided with grooves at three edges, can prevent adjacent materials from being disturbed due to different positions by positively and negatively arranging the adjacent disturbing sleeve assemblies on a disturbing shaft 9, is similar to a paddle in a fixing method, has a tooth surface forming an α angle with the shaft section of a disturbing sleeve 8, can ensure that an acting force is mainly on the tooth edge because the α angle is 0-45 degrees according to the stress condition of the materials and the requirement of the disturbing function of the device, can ensure that the acting force is mainly on the tooth edge, can not only cause the increase of the stress between the tooth surface of the disturbing tooth and the materials and the increase of the motor power and can not better cut and scatter the materials if the angle is too large, and is obliquely arranged, increases the contact area of the tooth surface and the materials, and increases the disturbing range of the tooth surface.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

The disturbance device of the feeding bin in front of the biomass furnaces is characterized by comprising a disturbance main body and a driving mechanism, wherein the disturbance main body is installed in the bin, the driving mechanism drives the disturbance main body to rotate, the disturbance main body comprises a disturbance shaft and a plurality of uniform disturbance sleeve pipe assemblies which are fixedly arranged on the disturbance shaft, the plurality of disturbance sleeve pipe assemblies are fixed on the disturbance shaft in a manner that each group rotates by 15-45 degrees, each disturbance sleeve pipe assembly comprises a disturbance tooth sleeve which is fixedly arranged on the disturbance shaft and a plurality of disturbance teeth which are uniformly arranged on the disturbance tooth sleeve, and the disturbance teeth are divided into three types according to different application places;

the cylindrical disturbing tooth is applied to cylindrical disturbing teeth with high material hardness;

the blade-shaped disturbance tooth is applied to the blade-shaped disturbance tooth with low material hardness and large flexibility;

the flexible and twisted paddle-shaped disturbing tooth is applied to paddle-shaped disturbing teeth with large material flexibility and serious winding.
2. The disturbance device for the kinds of biomass stokehole feeding bins according to claim 1,

grooves are formed on three edges of the tooth body of the blade-shaped disturbing tooth;

the blade-shaped disturbance tooth is characterized in that grooves are formed in three edges of a tooth body of the blade-shaped disturbance tooth, α angles are formed between tooth surfaces and the axial section of the disturbance tooth sleeve, and the α angle is 0-45 degrees.
3. The disturbance device for the biomass stokehole feeding bin according to claim 2, wherein the driving mechanism comprises a transmission shaft disposed at both ends of the disturbance shaft and penetrating through the bin, a rotation support disposed on the transmission shaft, and a motor reducer connected to the end of the transmission shaft.
4. The disturbance device for the biomass stokehole feeding bin according to claim 3, wherein a seal is provided at the intersection of the transmission shaft and the bin.
5. The disturbance device for the biomass stokehole feeding bin according to claim 3, wherein the transmission shaft and the disturbance shaft are connected through a connecting flange.
6. The disturbance device of the kinds of biomass stokehole feeding bins according to claim 3, wherein the motor reducer is disposed on a motor support.
7. The perturbation device for kinds of biomass stokehole feeding bins according to claim 3, wherein rotary supports are fixedly arranged on the motor support, and another rotary supports are fixedly arranged on the bin wall.
8. The perturbation device for the stokehole feeding bin of biomass according to claim 1, wherein 2-8 perturbation teeth are fixedly arranged on the perturbation tooth sleeve.
9. The perturbation device for the stokehole feeding bin of biomass according to claim 1, wherein each adjacent perturbation sleeve assembly provided with paddle-like perturbation teeth is arranged in a positive and negative way on the perturbation shaft.
10. The disturbance device of the kinds of biomass stokehole feeding bins according to claim 1, wherein at least 1 group of the disturbance devices is provided.