CN217031956U

CN217031956U - Coal fired power plant is with coal-fired drying device of constant temperature control

Info

Publication number: CN217031956U
Application number: CN202220693707.5U
Authority: CN
Inventors: 文玉碧
Original assignee: Chongqing Jianxing Furnace Industry Co ltd
Current assignee: Chongqing Jianxing Furnace Industry Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-07-22
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a constant-temperature monitoring coal-fired drying device for a coal-fired power plant, which comprises a support frame and a drying box, wherein the top of the support frame is fixedly connected with the drying box, the bottom of one side of the drying box is provided with a stirring motor, the other side of the drying box is provided with a discharge pipe, one side of the top of the drying box is provided with an exhaust port, the other side of the top of the drying box is provided with a hot air fan, one side of the rear side of the drying box is provided with a first conveying motor, and the other side of the rear side of the drying box is provided with a second conveying motor. According to the utility model, the stirring motor is started to drive the stirring rod to rotate, so that the turning plate and the stirring rod synchronously operate, the coal burning stocked at the bottom of the support frame is stirred and turned over by the turning plate, and when the coal burning is turned over by the turning plate, the coal burning is prevented from remaining on the turning plate through the material leakage port, so that the coal burning is shaken off, the coal burning is prevented from lumping, the coal burning is fully contacted with hot air in the support frame in the drying process, and the drying efficiency of the coal burning is improved.

Description

Coal fired power plant is with coal-fired drying device of constant temperature control

Technical Field

The utility model relates to the field of coal-fired drying, in particular to a constant-temperature monitoring coal-fired drying device for a coal-fired power plant.

Background

The power plant utilizes the heat generated during the combustion of the fuel to change water into superheated steam with certain temperature and pressure so as to drive a turbonator to generate electricity, along with the shortage of world energy resources, the coal as a nonrenewable resource is always regarded by governments of various countries, along with the acceleration of the mechanization process of the coal industry, the coal slime as a byproduct of the coal mining industry has a plurality of adverse conditions of high moisture, high viscosity, high water retention, low heat value and the like, so that the industrial application is difficult to realize, and at the moment, the drying equipment can improve the additional value of the coal.

But it is when the in-service use, be not convenient for carry out the turn-over to the fire coal of stoving in-process, lead to the fire coal of bottom can't fully contact with hot-air when drying, make the fire coal easily lump together to influence fire coal's stoving effect.

Therefore, it is necessary to invent a constant temperature monitoring coal-fired drying device for coal-fired power plants to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a constant-temperature monitoring coal-fired drying device for a coal-fired power plant, which drives a stirring rod to rotate by starting a stirring motor, so that a turning plate and the stirring rod synchronously operate, the turning plate rotates to stir and turn over coal-fired accumulated at the bottom of a support frame, and when the turning plate turns over the coal-fired, the coal-fired is prevented from remaining on the turning plate through a material leakage port, so that the coal-fired is shaken off, the coal-fired is prevented from lumping, the coal-fired is fully contacted with hot air in the support frame in the drying process, the drying efficiency of the coal-fired is improved, and the defects in the technology are overcome.

In order to achieve the above purpose, the utility model provides the following technical scheme: a constant-temperature monitoring coal-fired drying device for a coal-fired power plant comprises a support frame and a drying box, wherein the top of the support frame is fixedly connected with the drying box, the bottom of one side of the drying box is provided with a stirring motor, the other side of the drying box is provided with a discharging pipe, one side of the top of the drying box is provided with an exhaust port, the other side of the top of the drying box is provided with a hot air fan, one side of the rear side of the drying box is provided with a first conveying motor, the other side of the rear side of the drying box is provided with a second conveying motor, the top of the interior of the drying box is provided with a first conveying belt, one side of the interior of the first conveying belt is provided with a first guide roller, the rear end of the first guide roller is in transmission connection with the output end of the first conveying motor, the other side of the interior of the first conveying belt is provided with a first auxiliary roller, and the bottom of the interior of the drying box, which is close to the first conveying belt, is provided with a second conveying belt, one side of the inside of second conveyer belt is provided with the second deflector roll, the rear end of second deflector roll is connected with the output transmission of second conveying motor, the opposite side of the inside of second conveyer belt is provided with the second and assists the rod, the intermediate position of the inside of second conveyer belt and the intermediate position of the inside of first conveyer belt all are provided with the intermediate roll, the outside of second conveyer belt and the outside of first conveyer belt all are provided with the baffle, stoving incasement wall is close to first conveyer belt and is provided with leak protection plate with second conveyer belt intermediate position, the bottom of stoving incasement portion is provided with the puddler, the one end of puddler is connected with agitator motor's output transmission, the outside of puddler is provided with turns over the board, the material leakage mouth has been seted up to the inside that turns over the board.

Preferably, the top of stoving case one side is provided with the feeder hopper, one side at feeder hopper top is provided with the splash shield, one side of feeder hopper bottom is provided with the drainage plate.

Preferably, the lateral wall that the drainage plate runs through the support frame extends to the surface of first conveyer belt, the longitudinal section shape of drainage plate sets up to the font of caves in the font, the drainage plate sets up for the slope.

Preferably, a material guide plate is arranged at the bottom inside the drying box, and the surface of the material guide plate is obliquely arranged.

Preferably, the number of the baffles is two, and each group of the baffles is symmetrically distributed about the horizontal center line of the second conveyor belt.

Preferably, the number of the turning plates is five, the number of the turning plates in each group is five, and the five turning plates are distributed along the axis of the stirring rod in an annular array.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. the stirring motor is started to drive the stirring rod to rotate, so that the turning plate and the stirring rod synchronously operate, the turning plate rotates to stir and turn over the fire coal accumulated at the bottom of the support frame, and when the turning plate turns over the fire coal, the fire coal is prevented from remaining on the turning plate through the material leakage port, so that the fire coal is shaken off, the fire coal is prevented from lumping, the fire coal is fully contacted with hot air in the support frame in the drying process, and the drying efficiency of the fire coal is improved;

2. the support frame is added to the coal that will treat the stoving through the feeder hopper, can prevent the coal-fired spill through the splash shield that sets up when adding the coal-fired of treating the stoving to the staff's of being convenient for operation, the coal-fired of treating the stoving can make the coal-fired accurate first conveyer belt surface that falls of treating the stoving through the drainage plate on slowly falling first conveyer belt from the feeder hopper along the drainage plate.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is an elevational, cross-sectional view of the present invention;

FIG. 3 is a three-dimensional structure diagram of the turning plate of the present invention;

FIG. 4 is a rear perspective view of the present invention;

FIG. 5 is a left side sectional view of the first guide roller of the present invention;

fig. 6 is a left side sectional view of the second guide roller of the present invention.

Description of reference numerals:

1. a support frame; 2. a drying box; 3. a stirring motor; 4. a discharge pipe; 5. a feed hopper; 6. a splash shield; 7. a drainage plate; 8. an exhaust port; 9. a hot air blower; 10. a first conveyance motor; 11. a second conveyance motor; 12. a first conveyor belt; 13. a first guide roller; 14. a first auxiliary stick; 15. a second conveyor belt; 16. a second guide roller; 17. a second auxiliary stick; 18. an intermediate roll; 19. a baffle plate; 20. a leak-proof plate; 21. a stirring rod; 22. turning over a plate; 23. a material leakage port; 24. a material guide plate.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a constant-temperature monitoring coal-fired drying device for a coal-fired power plant, which comprises a support frame 1 and a drying box 2, wherein the top of the support frame 1 is fixedly connected with the drying box 2, the bottom of one side of the drying box 2 is provided with a stirring motor 3, the other side of the drying box 2 is provided with a discharge pipe 4, one side of the top of the drying box 2 is provided with an exhaust port 8, the other side of the top of the drying box 2 is provided with a hot air blower 9, one side of the rear side of the drying box 2 is provided with a first transmission motor 10, the other side of the rear side of the drying box 2 is provided with a second transmission motor 11, the top of the inside of the drying box 2 is provided with a first transmission belt 12, one side of the inside of the first transmission belt 12 is provided with a first guide roller 13, the rear end of the first guide roller 13 is in transmission connection with the output end of the first transmission motor 10, a first auxiliary rod 14 is arranged on the other side inside the first conveying belt 12, a second conveying belt 15 is arranged at the bottom, close to the first conveying belt 12, inside the drying box 2, a second guide roller 16 is arranged on one side inside the second conveying belt 15, the rear end of the second guide roller 16 is in transmission connection with the output end of a second conveying motor 11, a second auxiliary rod 17 is arranged on the other side inside the second conveying belt 15, intermediate rollers 18 are arranged at the middle positions inside the second conveying belt 15 and the first conveying belt 12, baffles 19 are arranged on the outer side of the second conveying belt 15 and the outer side of the first conveying belt 12, a leak-proof plate 20 is arranged at the middle position, close to the first conveying belt 12 and the second conveying belt 15, of the inner wall of the drying box 2, a stirring rod 21 is arranged at the bottom inside the drying box 2, and one end of the stirring rod 21 is in transmission connection with the output end of the stirring motor 3, a turning plate 22 is arranged on the outer side of the stirring rod 21, and a material leakage port 23 is formed in the turning plate 22.

Further, in above-mentioned technical scheme, the top of 2 one sides of stoving case is provided with feeder hopper 5, one side at 5 tops of feeder hopper is provided with splash shield 6, one side of 5 bottoms of feeder hopper is provided with drainage plate 7, drainage plate 7 runs through the lateral wall that support frame 1 extends to the surface of first conveyer belt 12, the longitudinal section shape of drainage plate 7 sets up to the character cut in bas-relief, drainage plate 7 sets up for the slope, can make the coal-fired of treating drying get into support frame 1 inside and accurate first conveyer belt 12 surface that falls from feeder hopper 5 through the drainage plate 7 that sets up, the coal-fired stoving of being convenient for.

Further, in the above technical solution, a material guide plate 24 is arranged at the bottom inside the drying box 2, the surface of the material guide plate 24 is arranged in an inclined manner, and the dried coal can be conveniently discharged from the discharge pipe 4 through the material guide plate 24 arranged in an inclined manner.

Further, in the above technical solution, the number of the baffles 19 is set to two groups, each group of the baffles 19 is symmetrically distributed about the horizontal center line of the second conveyor belt 15, and the baffles 19 are arranged to prevent the coal from falling from the front side or the rear side of the second conveyor belt 15 during the surface transportation of the second conveyor belt 15, so that the second conveyor belt 15 can transport the coal.

Furthermore, in the above technical scheme, the number of the turning plates 22 is set to five, the number of the turning plates 22 in each group is set to five, the five turning plates 22 are distributed along the axis of the stirring rod 21 in an annular array, and the fire coal at the bottom of the support frame 1 is stirred and turned over through the five turning plates 22, so that the fire coal is fully contacted with the hot air in the support frame 1, and the drying efficiency of the fire coal is improved.

This practical theory of operation:

referring to fig. 1-6 of the specification, first, the drying apparatus is moved to a desired position, and power is turned on, the hot air blower 9 is started, preheating the interior of the support frame 1, starting the first conveyor motor 10, the second conveyor motor 11 and the stirring motor 3 after preheating is finished, adding fire coal to be dried into the support frame 1 from the feed hopper 5, slowly sliding down to the first conveyor belt 12 along the surface of the drainage plate 7 after the fire coal enters the feed hopper 5, the arranged flow guide plate 7 can ensure that the fire coal accurately falls on the surface of the first conveyor belt 12, the fire coal is slowly conveyed to the right by the first conveyor belt 12, the fire coal falls on the surface of the second conveyor belt 15 from the rightmost side of the first conveyor belt 12 and is slowly conveyed to the left by the second conveyor belt 15, the fire coal is primarily dried by hot air in the support frame 1 in the fire coal conveying process;

referring to the attached drawings 1-6 of the specification, in the transmission process of the fire coal, the fire coal falls into the bottom of the support frame 1 from the leftmost end of the second conveyor belt 15, the stirring rod 21 and the turning plate 22 are driven to rotate by the stirring motor 3, the turning plate 22 continuously turns the fire coal at the bottom upwards in the rotation process, the fire coal accumulated at the bottom of the support frame 1 is turned over, the fire coal is fully contacted with hot air in the support frame 1 in the drying process, the fire coal is shaken off to prevent the fire coal from lumping, and when the turning plate 22 turns over the fire coal, the fire coal is prevented from remaining on the turning plate 22 through the arranged leakage port 23, so that the drying efficiency of the fire coal is improved.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The utility model provides a coal fired power plant is with coal-fired drying device of constant temperature control, includes support frame (1) and stoving case (2), its characterized in that: the drying device is characterized in that a drying box (2) is fixedly connected to the top of the support frame (1), a stirring motor (3) is arranged at the bottom of one side of the drying box (2), a discharge pipe (4) is arranged at the other side of the drying box (2), an exhaust port (8) is arranged at one side of the top of the drying box (2), an air heater (9) is arranged at the other side of the top of the drying box (2), a first conveying motor (10) is arranged at one side of the rear side of the drying box (2), a second conveying motor (11) is arranged at the other side of the rear side of the drying box (2), a first conveying belt (12) is arranged at the top of the inside of the drying box (2), a first guide roller (13) is arranged at one side of the inside of the first conveying belt (12), the rear end of the first guide roller (13) is in transmission connection with the output end of the first conveying motor (10), a first auxiliary roller (14) is arranged at the other side of the inside of the first conveying belt (12), a second conveyor belt (15) is arranged at the bottom, close to the first conveyor belt (12), inside the drying box (2), a second guide roller (16) is arranged on one side inside the second conveyor belt (15), the rear end of the second guide roller (16) is in transmission connection with the output end of a second conveyor motor (11), a second auxiliary roller (17) is arranged on the other side inside the second conveyor belt (15), intermediate rollers (18) are arranged at the middle positions inside the second conveyor belt (15) and the first conveyor belt (12), baffles (19) are arranged on the outer side of the second conveyor belt (15) and the outer side of the first conveyor belt (12), a leakage-proof plate (20) is arranged at the middle positions, close to the first conveyor belt (12) and the second conveyor belt (15), of the inner wall of the drying box (2), and a stirring rod (21) is arranged at the bottom inside the drying box (2), one end of the stirring rod (21) is in transmission connection with the output end of the stirring motor (3), a turning plate (22) is arranged on the outer side of the stirring rod (21), and a material leakage opening (23) is formed in the turning plate (22).

2. The constant temperature monitoring coal-fired drying device for the coal-fired power plant according to claim 1, characterized in that: the top of stoving case (2) one side is provided with feeder hopper (5), one side at feeder hopper (5) top is provided with splash shield (6), one side of feeder hopper (5) bottom is provided with drainage plate (7).

3. The constant temperature monitoring coal-fired drying device for the coal-fired power plant according to claim 2, characterized in that: the lateral wall that drainage plate (7) run through support frame (1) extends to the surface of first conveyer belt (12), the longitudinal section shape of drainage plate (7) sets up to the character cut in bas-relief, drainage plate (7) set up for the slope.

4. The constant temperature monitoring coal-fired drying device for the coal-fired power plant according to claim 1, characterized in that: the bottom inside the drying box (2) is provided with a material guide plate (24), and the surface of the material guide plate (24) is obliquely arranged.

5. The constant temperature monitoring coal-fired drying device for the coal-fired power plant according to claim 1, characterized in that: the number of the baffles (19) is set to two groups, and the baffles (19) in each group are symmetrically distributed about the horizontal center line of the second conveyor belt (15).

6. The constant temperature monitoring coal-fired drying device for the coal-fired power plant according to claim 1, characterized in that: the number of the turning plates (22) is set to five groups, the number of the turning plates (22) in each group is set to five, and the five turning plates (22) are distributed in an annular array along the axis of the stirring rod (21).