CN112044565A

CN112044565A - Full-automatic quantitative coal adding device for coal-fired power generation equipment

Info

Publication number: CN112044565A
Application number: CN202010869637.XA
Authority: CN
Inventors: 黄雯曼
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2020-12-08

Abstract

The invention discloses a full-automatic quantitative coal adding device for coal-fired power generation equipment, which comprises a combustion furnace, wherein the top of one end of the combustion furnace is fixedly connected with a feeding pipeline, the combustion furnace is communicated with the feeding pipeline, one end of the feeding pipeline, which is far away from the combustion furnace, is provided with a coal crushing assembly, the coal crushing assembly comprises a connecting bin, a stirring bin and a rotating motor, the connecting bin is positioned at one end of the feeding pipeline, which is far away from the combustion furnace, the stirring bin is positioned at the top of the connecting bin, the top of the stirring bin is fixedly connected with a feeding hopper, one end of the stirring bin. The invention has the beneficial effects that: the coal adding device has the advantages that most of the coal adding devices can not crush coal and directly put blocky coal into the combustion bin to cause insufficient coal combustion to generate a large amount of harmful gas, so that the coal combustion is more sufficient and the resources are saved, and the practicability of the fuel adding device is improved.

Description

Full-automatic quantitative coal adding device for coal-fired power generation equipment

Technical Field

The invention relates to a coal adding device, in particular to a full-automatic quantitative coal adding device for coal-fired power generation equipment, and belongs to the technical field of coal quantification.

Background

Coal-fired power generation is a power generation mode which utilizes heat energy generated by coal during combustion and converts the heat energy into electric energy through a power generation power device, coal resources in China are rich, and most thermal power plants adopt the coal as primary energy.

In-process at coal-fired power generation needs continuous adding coal in the hot-blast furnace in order to guarantee power generation facility's normal operation, the coal that adds into in the burning storehouse at present most is cubic, but current coal adds the device most unable to smash coal, generally all directly drop into the burning storehouse with cubic coal in, can make the coal burning insufficient and produce a large amount of sulfur dioxide and carbon dioxide and can cause harm to the environment like this, a large amount of resources have been wasted simultaneously, and easily make the energy supply not enough and influence the normal operation of generator, the practicality of fuel interpolation device has been reduced, for this, it is very necessary to design a coal full-automatic ration that coal power generation equipment used and adds the device and solve above-mentioned problem.

Disclosure of Invention

The invention aims to provide a full-automatic quantitative coal adding device for coal-fired power generation equipment to solve the problems, the added coal is crushed by arranging a coal crushing component, so that the added coal is more sufficiently combusted, the problem that most of coal adding devices cannot crush the coal and directly put blocky coal into a combustion bin to cause insufficient coal combustion and generate a large amount of harmful gas is solved, the coal is more sufficiently combusted, the resources are saved, the energy supply of coal-fired power generation is improved, and the practicability of the fuel adding device is improved.

The invention achieves the aim through the following technical scheme, and the full-automatic quantitative coal adding device for the coal-fired power generation equipment comprises a combustion furnace, wherein the top of one end of the combustion furnace is fixedly connected with a feeding pipeline, the combustion furnace is communicated with the feeding pipeline, and one end of the feeding pipeline, which is far away from the combustion furnace, is provided with a coal crushing assembly;

the coal crushing component comprises a connecting bin, a stirring bin and a rotating motor, wherein the connecting bin is positioned at one end of a feeding pipeline, which is far away from a combustion furnace, the stirring bin is positioned at the top of the connecting bin, a feeding hopper is fixedly connected at the top of the stirring bin, a supporting transverse plate is fixedly connected at one end of the stirring bin, which is far away from the feeding pipeline, the rotating motor is positioned at the top of the supporting transverse plate, the rotating motor is fixedly connected with the supporting transverse plate, a spiral transverse rod is fixedly connected at the output end of the rotating motor, a stirring rod is arranged at the inner side of the stirring bin, a filtering plate is arranged at the bottom of the stirring rod, the filtering plate is fixedly connected with the stirring bin, a movable transverse plate is arranged at the bottom of the filtering plate, the movable transverse plate is slidably connected with the inner side of the connecting bin, a, the utility model discloses a spacing push block of first bearing frame side fixedly connected with is kept away from to screw thread horizontal pole, rotatory crank of activity swivel nut one end fixedly connected with is kept away from to the screw thread horizontal pole, rotatory crank is close to and connects storehouse one side and is equipped with spacing montant, spacing montant top and support diaphragm fixed connection, the activity swivel nut is close to activity diaphragm one end and is equipped with primary shaft bearing, the spacing ejector pad of primary shaft bearing one side fixedly connected with is kept away from to the.

Preferably, connect storehouse and charge-in pipeline fixed connection and connect storehouse and charge-in pipeline and be linked together, connect the equal fixedly connected with in storehouse bottom four corners and support the montant.

Preferably, the quantity of puddler sets up to a plurality ofly, and is a plurality of the puddler is the array and distributes, the spiral horizontal pole runs through stirring storehouse one end and puddler fixed connection.

Preferably, the end, far away from the rotating electrical machines, of the spiral cross rod is provided with a fixed bearing, and the stirring bin is fixedly connected with the fixed bearing.

Preferably, the filter plate both sides have all been seted up the spacing groove, the equal fixedly connected with activity in activity diaphragm top both ends is scraped the pole, the pole is scraped in the activity and the spacing groove sliding connection, the pole is scraped in the activity and filter sliding connection.

Preferably, the first bearing seat is fixedly connected with the movable transverse plate, and one end of the movable threaded sleeve penetrating through the connecting bin is fixedly connected with the inner side of the first bearing seat.

Preferably, the bottom of the limiting vertical rod is fixedly connected with a second bearing seat, and the threaded cross rod penetrates through the second bearing seat and is fixedly connected with the inner side of the second bearing seat.

The operation method comprises the following steps:

the method comprises the following steps: the position of adjustment equipment, in coal put into the stirring storehouse through feed hopper, during less coal granule directly fell into the connection storehouse through the filter, on great coal granule fell into the filter, start the rotating electrical machines after that, the rotating electrical machines carries out the breakage to the coal in connecting the storehouse, accelerates the coal feeding simultaneously.

Step two: it is rotatory to take place to rotate through rotatory crank to drive the screw thread horizontal pole, the screw thread horizontal pole is rotatory to drive movable swivel nut in primary shaft bearing internal rotation, meanwhile the movable swivel nut takes place the displacement and promotes movable diaphragm and connect the inboard motion in the storehouse, it slides in the spacing inslot to drive the activity when the activity diaphragm moves, the activity is scraped the pole top and is moved at filter both sides top surface, scrape the coal granule of probably the adhesion on the filter and fall to connecting in the storehouse, during the motion of movable diaphragm, promote spacing ejector pad motion, the coal granule that spacing ejector pad will be connected in the storehouse is pushed into charge-in pipeline.

The invention has the beneficial effects that: the full-automatic quantitative coal adding device for the coal-fired power generation equipment is characterized in that a coal crushing component is arranged to crush added coal to be beneficial to more complete combustion, the quantitative coal is firstly put into a stirring bin, smaller coal particles fall into a connecting bin through a filter plate, then a rotating motor is started to drive a stirring rod to rotate to crush larger coal, the crushed particles fall into the connecting bin through the filter plate, then a rotating crank is shaken to drive a threaded cross rod to rotate, the threaded cross rod rotates to drive a movable threaded sleeve to rotate and simultaneously displace to push a movable transverse plate to move, the movable transverse plate pushes the coal particles in the connecting bin into a feeding pipeline, and then the coal particles fall into a combustion bin to be combusted and generate power, the full-automatic quantitative coal adding device for the coal-fired power generation equipment has a simple and reasonable structure, and avoids the phenomenon that most of the coal adding device cannot crush coal and directly puts blocky coal into the combustion bin to cause incomplete combustion, coal is combusted more fully, resources are saved, energy supply of coal-fired power generation is improved, and the practicability of the fuel adding device is improved;

this full-automatic ration of coal adds device for coal-fired power generation equipment is through setting up the spacing groove on the filter, set up the activity on the activity diaphragm and scrape the pole, the pole is scraped in the activity when the activity diaphragm moves, scrape the coal granule of probably adhesion on the filter and fall to connecting the storehouse, along with in the activity diaphragm pushes the burning storehouse, prevent that the coal granule from adhering on the filter and being difficult to the clearance, the amount of labour of staff's clearance has been improved, reduce the waste of coal simultaneously.

Drawings

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

FIG. 2 is a schematic illustration of an explosive structure according to the present invention;

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

FIG. 4 is an enlarged view of the portion A of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the portion B of FIG. 3 according to the present invention.

In the figure: 1. combustion furnace, 2, charge-in pipeline, 3, connect the storehouse, 4, stirring storehouse, 5, feed hopper, 6, support diaphragm, 7, rotating electrical machines, 8, spiral horizontal pole, 9, puddler, 10, filter, 11, activity diaphragm, 12, activity swivel nut, 13, screw thread horizontal pole, 14, rotatory crank, 15, spacing montant, 16, primary shaft bearing, 17, spacing ejector pad, 18, support the montant, 19, activity are scraped the pole, 20, secondary shaft bearing.

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. 1-5, the full-automatic quantitative coal feeding device for coal-fired power generation equipment includes a combustion furnace 1, a feeding pipe 2 is fixedly connected to the top of one end of the combustion furnace 1, the combustion furnace 1 is communicated with the feeding pipe 2, and a coal pulverizing assembly is disposed at one end of the feeding pipe 2 far away from the combustion furnace 1.

Coal crushing unit is including connecting storehouse 3, stirring storehouse 4 and rotating electrical machines 7, connects storehouse 3 to be located charge-in pipeline 2 and keeps away from 1 one end of firing burning furnace, stirs storehouse 4 to be located and connects 3 tops in the storehouse, stirs 4 top fixedly connected with feed hopper 5 in storehouse, stirs 2 one end fixedly connected with support diaphragm 6 of storehouse 4 keeping away from charge-in pipeline, and rotating electrical machines 7 is located support diaphragm 6 tops, rotating electrical machines 7 and support diaphragm 6 fixed connection.

7 output end fixedly connected with spiral horizontal pole 8 of rotating electrical machines, 4 inboards in stirring storehouse are equipped with puddler 9, and puddler 9 bottom is equipped with filter 10,

filter

10 and 4 fixed connection in stirring storehouse, and filter 10 bottom is equipped with movable diaphragm 11, and movable diaphragm 11 with be connected 3 inboard sliding connection in storehouse, movable diaphragm 11 keep away from feed pipeline 2 one side and be equipped with movable swivel nut 12.

A threaded cross rod 13 is arranged on the inner side of the movable transverse plate 11, the threaded cross rod 13 is in threaded connection with the movable threaded sleeve 12, one end of the threaded cross rod 13 far away from the movable threaded sleeve 12 is fixedly connected with a rotary crank 14, then the rotary crank 14 is shaken to drive the threaded cross rod 8 to rotate, the threaded cross rod 8 rotates to drive the movable threaded sleeve 12 to rotate and simultaneously displace to push the movable transverse plate 11 to move, the movable transverse plate 11 pushes coal particles in the connecting bin into a feeding pipeline, rotatory crank 14 is close to and is equipped with spacing montant 15 on one side of connecting storehouse 3, spacing montant 15 top and support diaphragm 6 fixed connection, activity swivel nut 12 is close to activity diaphragm 11 one end and is equipped with primary shaft bearing 16, and activity diaphragm 11 is kept away from the spacing ejector pad 17 of primary shaft bearing 16 one side fixedly connected with, and spacing ejector pad 17 cross section sets up to trapezoidal, is convenient for when spacing ejector pad 17 moves, will connect the coal granule in the storehouse 3 and push in charge-in pipeline 2.

As a technical optimization scheme of the invention, the connecting bin 3 is fixedly connected with the feeding pipeline 2, the connecting bin 3 is communicated with the feeding pipeline 2, the four corners of the bottom of the connecting bin 3 are fixedly connected with the supporting vertical rods 18, and the four corners of the bottom of the connecting bin 3 are supported by the four supporting vertical rods 18, so that the connecting bin 3 is more stable.

As the technical optimization scheme of the invention, the number of the stirring rods 9 is multiple, the stirring rods 9 are distributed in an array manner, the spiral cross rod 8 penetrates through one end of the stirring bin 4 and is fixedly connected with the stirring rods 9, the stirring rods 9 are arranged to stir larger coal blocks, the volume of coal particles is smaller than the size of meshes of the filter plate 10, the stirred coal particles fall into the connecting bin 3, and meanwhile, the coal is combusted more fully.

As a technical optimization scheme of the invention, one end of the spiral cross rod 8, which is far away from the rotating motor 7, is provided with a fixed bearing, the stirring bin 4 is fixedly connected with the fixed bearing, and the spiral cross rod 8 is more stable in rotation by arranging the fixed bearing.

As the technical optimization scheme of the invention, both sides of a filter plate 10 are provided with limit grooves, both ends of the top of a movable transverse plate 11 are fixedly connected with movable scraping rods 19, the movable scraping rods 19 are connected with the limit grooves in a sliding manner, the movable scraping rods 19 are connected with the filter plate 10 in a sliding manner, when the movable transverse plate 11 moves, the movable scraping rods 19 are driven to move on both sides of the filter plate 10, coal particles possibly adhered on the filter plate 10 are scraped into a connecting bin 3, the coal particles are prevented from being adhered on the filter plate 10 and being difficult to clean, and quantitative coal is reduced to cause insufficient energy supply in a combustion bin to influence the normal operation of a generator, the invention has simple and reasonable structure, avoids that most of coal adding devices cannot crush coal to directly put blocky coal into the combustion bin to cause insufficient coal combustion to generate a large amount of harmful gas, so that the coal is combusted more fully and resources are saved, the energy supply of coal-fired power generation is improved, and the practicability of the fuel adding device is improved.

As a technical optimization scheme of the invention, a first bearing seat 16 is fixedly connected with a movable transverse plate 11, a movable threaded sleeve 12 penetrates through one end of a connecting bin 3 and is fixedly connected with the inner side of the first bearing seat 16, the movable threaded sleeve 12 rotates on the inner side of the first bearing seat 16, and the movable threaded sleeve 12 pushes the movable transverse plate 11 to move in the connecting bin 3.

As the technical optimization scheme of the invention, the bottom of the limiting vertical rod 15 is fixedly connected with a second bearing seat 20, the threaded cross rod 13 penetrates through the second bearing seat 20 and is fixedly connected with the inner side of the second bearing seat 20, and the threaded cross rod 13 rotates on the inner side of the second bearing seat 20, so that the threaded cross rod 13 rotates more stably.

The operation method comprises the following steps:

the method comprises the following steps: the position of adjustment equipment, in coal put into stirring storehouse 4 through feed hopper 5, during less coal granule directly fell into connecting storehouse 3 through filter 10, great coal granule fell into filter 10, starts rotating electrical machines 7 after that, and rotating electrical machines 7 carries out the breakage to the coal in connecting storehouse 3, accelerates the coal feeding simultaneously.

Step two: it is rotatory to take place to rotate through rotatory crank 14 to drive screw thread horizontal pole 13, screw thread horizontal pole 13 is rotatory to drive movable swivel nut 12 at 16 internal rotations of primary shaft bearing, meanwhile movable swivel nut 12 takes place the displacement and promotes movable diaphragm 11 and connect storehouse 3 inboard motion, drive the activity when activity diaphragm 11 moves and scrape pole 19 and slide in the spacing groove, the activity is scraped the top and is moved at filter 10 both sides top surface, scrape the coal granule of probably the adhesion on the filter 10 and fall to connecting storehouse 3 in, when activity diaphragm 11 moves, promote spacing ejector pad 17 motion, spacing ejector pad 17 will connect the coal granule in the storehouse 3 and push in the charge-in pipeline 2.

Example (b): when the coal crushing device is used, a worker firstly puts a certain amount of coal into the stirring bin 4 through the feeding hopper 5, smaller coal particles directly fall into the connecting bin 3 through the filter plate 10, larger coal particles fall onto the filter plate 10, then the rotating motor 7 is started, the output end of the rotating motor 7 rotates to drive the spiral cross rod 8 to rotate, the spiral cross rod 8 drives the stirring rod 9 to rotate, the stirring rod 9 crushes the larger coal, and the crushed smaller coal particles fall into the connecting bin 3 through the filter plate 10 again.

Then, the rotary crank 14 is shaken, the rotary crank 14 rotates to drive the threaded cross rod 13 to rotate, the threaded cross rod 13 rotates to drive the movable threaded sleeve 12 to rotate in the first bearing seat 16, meanwhile, the movable threaded sleeve 12 displaces to push the movable transverse plate 11 to move inside the connecting bin 3, the movable scraping rod 19 is driven to slide in a limiting groove when the movable transverse plate 11 moves, the top of the movable scraping rod 19 moves on the surfaces of the tops of two sides of the filter plate 10, coal particles possibly adhered to the filter plate 10 are scraped to fall into the connecting bin 3, the limiting pushing block 17 is driven to move when the movable transverse plate 11 moves, the limiting pushing block 17 pushes the coal particles in the connecting bin 3 into the feeding pipeline 2, and the coal particles fall into the combustion bin from the feeding pipeline 2 to be combusted and generate electricity.

To technical personnel in the field, through setting up simple reasonable structure, solved coal and added the device most unable to smash coal and directly drop into cubic coal and cause the insufficient problem that produces a large amount of harmful gas of coal burning in the burning storehouse for the resource that has practiced thrift when coal burning is more abundant, promoted the energy supply of coal fired power generation, improved the practicality of fuel adding device.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Full-automatic quantitative coal adding device for coal-fired power generation equipment comprises a combustion furnace (1), and is characterized in that: the top of one end of the combustion furnace (1) is fixedly connected with a feeding pipeline (2), the combustion furnace (1) is communicated with the feeding pipeline (2), and a coal crushing assembly is arranged at one end, away from the combustion furnace (1), of the feeding pipeline (2);

the coal crushing assembly comprises a connecting bin (3), a stirring bin (4) and a rotating motor (7), the connecting bin (3) is positioned at one end, away from a combustion furnace (1), of a feeding pipeline (2), the stirring bin (4) is positioned at the top of the connecting bin (3), a feeding funnel (5) is fixedly connected to the top of the stirring bin (4), a supporting transverse plate (6) is fixedly connected to one end, away from the feeding pipeline (2), of the stirring bin (4), the rotating motor (7) is positioned at the top of the supporting transverse plate (6), the rotating motor (7) is fixedly connected with the supporting transverse plate (6), a spiral transverse rod (8) is fixedly connected to the output end of the rotating motor (7), a stirring rod (9) is arranged on the inner side of the stirring bin (4), a filter plate (10) is arranged at the bottom of the stirring rod (9), and the filter plate (10) is fixedly connected, the bottom of the filter plate (10) is provided with a movable transverse plate (11), the movable transverse plate (11) is connected with the inner side of the connecting bin (3) in a sliding way, a movable threaded sleeve (12) is arranged on one side of the movable transverse plate (11) far away from the feeding pipeline (2), the inner side of the movable transverse plate (11) is provided with a threaded cross rod (13), the threaded cross rod (13) is in threaded connection with the movable threaded sleeve (12), one end of the threaded cross rod (13) far away from the movable threaded sleeve (12) is fixedly connected with a rotary crank (14), a limit vertical rod (15) is arranged on one side of the rotary crank (14) close to the connecting bin (3), the top of the limit vertical rod (15) is fixedly connected with the supporting transverse plate (6), one end of the movable threaded sleeve (12) close to the movable transverse plate (11) is provided with a first bearing seat (16), and one side of the movable transverse plate (11) far away from the first bearing seat (16) is fixedly connected with a limiting push block (17).

2. The full-automatic quantitative coal adding device for the coal-fired power generation equipment according to claim 1, characterized in that: connect storehouse (3) and charge-in pipeline (2) fixed connection and connect storehouse (3) and be linked together with charge-in pipeline (2), connect the equal fixedly connected with in storehouse (3) bottom four corners and support montant (18).

3. The full-automatic quantitative coal adding device for the coal-fired power generation equipment according to claim 1, characterized in that: the quantity of puddler (9) sets up to a plurality of, and is a plurality of puddler (9) are the array and distribute, spiral horizontal pole (8) run through stirring storehouse (4) one end and puddler (9) fixed connection.

4. The full-automatic quantitative coal adding device for the coal-fired power generation equipment according to claim 1, characterized in that: and one end of the spiral cross rod (8), which is far away from the rotating motor (7), is provided with a fixed bearing, and the stirring bin (4) is fixedly connected with the fixed bearing.

5. The full-automatic quantitative coal adding device for the coal-fired power generation equipment according to claim 1, characterized in that: the filter plate is characterized in that limiting grooves are formed in two sides of the filter plate (10), movable scraping rods (19) are fixedly connected to two ends of the top of the movable transverse plate (11) respectively, the movable scraping rods (19) are connected with the limiting grooves in a sliding mode, and the movable scraping rods (19) are connected with the filter plate (10) in a sliding mode.

6. The full-automatic quantitative coal adding device for the coal-fired power generation equipment according to claim 1, characterized in that: the first bearing seat (16) is fixedly connected with the movable transverse plate (11), and one end of the movable threaded sleeve (12) penetrating through the connecting bin (3) is fixedly connected with the inner side of the first bearing seat (16).

7. The full-automatic quantitative coal adding device for the coal-fired power generation equipment according to claim 1, characterized in that: the bottom of the limiting vertical rod (15) is fixedly connected with a second bearing seat (20), and the threaded cross rod (13) penetrates through the second bearing seat (20) and is fixedly connected with the inner side of the second bearing seat (20).