CN210632188U

CN210632188U - Raw coal milling and drying device for thermal power plant

Info

Publication number: CN210632188U
Application number: CN201921317124.7U
Authority: CN
Inventors: 李立东; 张明朝; 孙景福; 杨伟宏; 周亦平; 张智
Original assignee: Datang Dongying Power Generation Co Ltd
Current assignee: Datang Dongying Power Generation Co Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-05-29
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a thermal power plant is with raw coal drying device that mills, including box, dry structure and filtration, the cavity has been seted up in the box, the fixed feeding storehouse that is provided with in one side of box top, the fixed first swash plate that is provided with in below that is located the feeding storehouse in the cavity, the top of cavity is rotated and is provided with first roller, be fixed connection between first roller and the first motor, the fixed second swash plate that is provided with in below that is located first swash plate in the cavity, dry structure includes stoving chamber, air-blower and electric telescopic handle, one side that is located the second swash plate in the cavity is provided with the stoving chamber. The utility model discloses a be equipped with the stoving chamber in the cavity, the stoving intracavity is equipped with heater strip and air-blower respectively, can dry to the raw coal to reduce the moisture in the raw coal, and be equipped with filtration, can make the raw coal reach suitable volume, can also filter the stone in the raw coal, thereby improve the combustion efficiency of raw coal.

Description

Raw coal milling and drying device for thermal power plant

Technical Field

The utility model relates to a thermal power factory equipment technical field specifically is a thermal power factory is with raw coal drying device that mills.

Background

A thermal power plant, called thermal power plant for short, is a plant for producing electric energy by using coal, petroleum and natural gas as fuel, and its basic production process is that the fuel is burned in boiler to heat water and make it into steam, and the chemical energy of the fuel is converted into heat energy, and the steam pressure can drive turbine to rotate, and the heat energy can be converted into mechanical energy, then the turbine can drive generator to rotate, and the mechanical energy can be converted into electric energy. Thermal power generation is the main force of the current power development, in the environment of providing a harmonious society and a circular economy at present, the influence of power on the environment and the influence of non-renewable energy resources are mainly considered in the direction of improving the thermal power technology, although part of nuclear power units are arranged in China at present, thermal power still occupies most markets of power, the power development lags behind the economic development in recent years, a plurality of thermal power plants are arranged in the whole country, but the thermal power technology must be continuously improved and developed to meet the requirements of the harmonious society.

1. Since a part of the raw coal contains moisture, if the part of the raw coal is not dried, the effect of the raw coal during combustion is impaired.

2. The raw coal is in the shape of blocks, the smaller particles of the raw coal have better effect in combustion, and part of stones may be doped in the raw coal, which affects the normal use of the raw coal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal power plant is with raw coal drying device that mills to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a raw coal grinding and drying device for a thermal power plant comprises a box body, a drying structure and a filtering structure, wherein a cavity is formed in the box body, a feeding bin is fixedly arranged on one side above the box body, a first inclined plate is fixedly arranged below the feeding bin in the cavity, a first grinding roller is rotatably arranged at the top of the cavity, the first grinding roller is fixedly connected with a first motor, a second inclined plate is fixedly arranged below the first inclined plate in the cavity, the drying structure comprises a drying cavity, an air blower and an electric telescopic rod, a drying cavity is arranged on one side of the second inclined plate in the cavity, a baffle is rotatably arranged at the bottom of the first inclined plate, a feed opening is formed between the baffle and the second inclined plate, an air blower is uniformly and fixedly embedded in the drying cavity, and an electric heating wire is fixedly arranged at the bottom of the drying cavity, for improving the drying effect.

Preferably, one side of the drying cavity is fixedly provided with an electric telescopic handle, the output end of the electric telescopic handle is fixedly provided with a push plate, and the other side of the drying cavity is provided with a discharge hole corresponding to the position of the push plate.

Preferably, filtration includes first filter screen, second filter screen and second and rolls the roller, first album of material chamber, second album of material chamber and third collection material chamber have been seted up respectively to the cavity bottom, the fixed first filter screen that is provided with in below that is located the discharge gate in the cavity, the below that is located first filter screen in the first collection material chamber slides and is provided with first album of material box.

Preferably, the second is gathered materials the intracavity and is rotated and is provided with two second and rolls the roller, two the second rolls the roller and carries out fixed connection with the second motor respectively, the second is gathered materials the fixed second filter screen that is provided with in below that the intracavity is located the second and rolls the roller, the second is gathered materials the below that the intracavity is located the second filter screen and is slided and be provided with second collection box.

Preferably, a feeding port is formed between the inner wall of the second material collecting cavity and the second filter screen, and a third material collecting box is arranged in the third material collecting cavity below the second filter screen in a sliding manner.

Preferably, the first filter screen and the second filter screen are both obliquely arranged.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a bottom that lies in the feeding storehouse in the cavity is fixed and is equipped with first swash plate, then rotate above first swash plate and be provided with first grinding roller, first grinding roller drives through first motor and rotates and to roll the raw coal on the first swash plate and smash, then the raw coal after smashing enters into the stoving intracavity from the second swash plate, the even heating wire that has inlayed in the stoving intracavity can heat the raw coal of stoving intracavity, can also improve dry effect through the air-blower, then drive the push pedal through electric telescopic handle and stretch out and draw back, push the dried raw coal to discharge gate department, can reduce the water content in the raw coal, thereby improve the combustion efficiency of raw coal;

2. the utility model discloses still be equipped with filtration simultaneously, including first filter screen, second filter screen and second roll the roller, be provided with first filter screen through the below is fixed at the discharge gate, the small raw coal granule can be passed first filter screen and fall into in the first aggregate box and be collected, and remaining raw coal then can follow first filter screen and slide to two seconds and roll and carry out the secondary and roll crushing between the roller, then the intracavity is fixed and be provided with the second filter screen at the second aggregates, the small raw coal granule of volume can pass in the second filter screen falls into the second aggregate box, and the surplus can not be followed the pay-off mouth by the stone that the bits of broken fall or the great raw coal of granule and fall into in the third box, can make the raw coal reach suitable volume size, thereby be convenient for burn, and the steam generator has simple structure, high durability and convenient use, the advantage that excellent in use effect.

Drawings

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

FIG. 2 is a view of the structure of FIG. 1A according to the present invention;

fig. 3 is a front view of the overall structure of the present invention.

In the figure: 1-a box body; 101-a feeding bin; 2-a cavity; 201-a first sloping plate; 202-a second swash plate; 203-a first collecting chamber; 204-a second collecting chamber; 205-a third collecting chamber; 206-a first collection box; 207-a second magazine; 208-a third collection box; 3-drying the cavity; 301-a baffle; 302-electric heating wire; 303-a discharge hole; 4-a first milling roller; 401 — a first electric machine; 5-a blower; 6, an electric telescopic rod; 601-push plate; 7-a first screen; 8-a second filter screen; 9-a second milling roller; 901-second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a thermal power plant is with raw coal drying device that mills, includes box 1, dry structure and filtration, cavity 2 has been seted up in the box 1, the fixed feeding storehouse 101 that is provided with in one side of box 1 top, the fixed first swash plate 201 that is provided with in the below that lies in feeding storehouse 101 in cavity 2, the top of cavity 2 is rotated and is provided with first grinding roller 4, be fixed connection between first grinding roller 4 and the first motor 401, the fixed second swash plate 202 that is provided with in the below that lies in first swash plate 201 in cavity 2, dry structure includes stoving chamber 3, air-blower 5 and electric telescopic handle 6, the one side that lies in second swash plate 202 in cavity 2 is provided with stoving chamber 3, the bottom of first swash plate 201 is rotated and is provided with baffle 301, the feed opening has been constituteed between baffle 301 and the second swash plate 202, even fixed heating wire 302 has been inlayed to the stoving chamber 3, and an air blower 5 is fixedly arranged at the bottom of the drying cavity 3 and used for improving the drying effect.

An electric telescopic rod 6 is fixedly arranged on one side of the drying cavity 3, a push plate 601 is fixedly arranged at the output end of the electric telescopic rod 6, a discharge hole 303 is formed in the other side of the drying cavity 3 corresponding to the position of the push plate 601, and after raw coal in the drying cavity 3 is dried, the electric telescopic rod 6 can drive the push plate 601 to stretch and retract, so that the raw coal is pushed to the discharge hole 303 for blanking; the filtering structure comprises a first filter screen 7, a second filter screen 8 and a second rolling roller 9, a first material collecting cavity 203, a second material collecting cavity 204 and a third material collecting cavity 205 are respectively formed in the bottom of the cavity 2, the first filter screen 7 is fixedly arranged below the discharge hole 303 in the cavity 2, a first material collecting box 206 is slidably arranged below the first filter screen 7 in the first material collecting cavity 203, and raw coal with small volume can pass through the first filter screen 7 and fall into the first material collecting box 206; two second rolling rollers 9 are rotatably arranged in the second collecting cavity 204, the two second rolling rollers 9 are respectively and fixedly connected with a second motor 901, raw coal which does not pass through the first filter screen 7 falls into a space between the two second rolling rollers 9 to undergo secondary rolling, a second filter screen 8 is fixedly arranged below the second rolling rollers 9 in the second collecting cavity 204, a second collecting box 207 is slidably arranged below the second filter screen 8 in the second collecting cavity 204, and raw coal which undergoes secondary rolling can pass through the second filter screen 8 and fall into the second collecting box 207; a feeding port is formed between the inner wall of the second collecting cavity 204 and the second filter screen 8, a third collecting box 208 is slidably arranged in the third collecting cavity 205 below the second filter screen 8, and raw coal with large volume or stones doped in the raw coal can fall into the third collecting box 208; first filter screen 7 and second filter screen 8 are the slope setting, can let the raw coal that does not pass the filter screen roll down along the slope when being convenient for sieve the material.

The working principle is as follows: the utility model discloses a through lie in the fixed first swash plate 201 that is equipped with in the bottom of feeding storehouse 101 in cavity 2, then rotate in the top of first swash plate 201 and be provided with first rolling roller 4, first rolling roller 4 drives through first motor 401 and rotates and can roll the raw coal on first swash plate 201 and smash, then the raw coal after smashing enters into stoving chamber 3 from second swash plate 202, even heating wire 302 that inlays in stoving chamber 3 can heat the raw coal in stoving chamber 3, can also improve dry effect through air-blower 5, then drive push pedal 601 through electric telescopic handle 6 and stretch out and draw back, push the raw coal that dry to discharge gate 303 department, can reduce the water content in the raw coal, thereby improve the combustion efficiency of raw coal; still be equipped with filtration simultaneously, including first filter screen 7, second filter screen 8 and second rolls roller 9, through the fixed first filter screen 7 that is provided with in the below of discharge gate 303, the small raw coal granule can pass first filter screen 7 and fall into in first collecting box 206 and be collected, and remaining raw coal then can slide from first filter screen 7 and fall to and carry out the secondary and roll crushing between two second rolls roller 9, then the fixed second filter screen 8 that is provided with in second collecting chamber 204, the small raw coal granule of volume can pass second filter screen 8 and fall into in second collecting box 207, and the remaining not smashed stone or the great raw coal of granule can fall into third collecting box 208 from the pay-off mouth, can make the raw coal reach suitable volume size, thereby be convenient for burn, have simple structure, high durability and convenient use, excellent in use effect's advantage.

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. The utility model provides a thermal power plant grinds drying device with raw coal, includes box (1), dry construction and filtration, its characterized in that: a cavity (2) is formed in the box body (1), a feeding bin (101) is fixedly arranged on one side above the box body (1), a first inclined plate (201) is fixedly arranged below the feeding bin (101) in the cavity (2), a first rolling roller (4) is rotatably arranged at the top of the cavity (2), the first rolling roller (4) is fixedly connected with a first motor (401), a second inclined plate (202) is fixedly arranged below the first inclined plate (201) in the cavity (2), the drying structure comprises a drying cavity (3), an air blower (5) and an electric telescopic rod (6), a drying cavity (3) is arranged on one side of the second inclined plate (202) in the cavity (2), a baffle plate (301) is rotatably arranged at the bottom of the first inclined plate (201), and a discharging opening is formed between the baffle plate (301) and the second inclined plate (202), the electric heating wire (302) has been inlayed to even fixed in stoving chamber (3), the fixed air-blower (5) that is provided with in bottom in stoving chamber (3) for improve dry effect.

2. The raw coal grinding and drying device for the thermal power plant according to claim 1, characterized in that: one side of the drying cavity (3) is fixedly provided with an electric telescopic rod (6), the output end of the electric telescopic rod (6) is fixedly provided with a push plate (601), and the other side of the drying cavity (3) corresponds to the position of the push plate (601) and is provided with a discharge hole (303).

3. The raw coal grinding and drying device for the thermal power plant according to claim 1, characterized in that: the filtering structure comprises a first filter screen (7), a second filter screen (8) and a second rolling roller (9), wherein a first material collecting cavity (203), a second material collecting cavity (204) and a third material collecting cavity (205) are respectively formed in the bottom of the cavity (2), the first filter screen (7) is fixedly arranged below the discharge hole (303) in the cavity (2), and a first material collecting box (206) is arranged below the first filter screen (7) in the first material collecting cavity (203) in a sliding mode.

4. The raw coal grinding and drying device for the thermal power plant according to claim 3, characterized in that: the internal rotation of second collecting cavity (204) is provided with two second rolls roller (9), two second rolls roller (9) and carries out fixed connection with second motor (901) respectively, the below that lies in second roll roller (9) in second collecting cavity (204) is fixed and is provided with second filter screen (8), the below that lies in second filter screen (8) in second collecting cavity (204) slides and is provided with second collection box (207).

5. The raw coal grinding and drying device for the thermal power plant according to claim 3, characterized in that: a feeding port is formed between the inner wall of the second collecting cavity (204) and the second filter screen (8), and a third collecting box (208) is arranged in the third collecting cavity (205) below the second filter screen (8) in a sliding manner.

6. The raw coal grinding and drying device for the thermal power plant according to claim 3, characterized in that: the first filter screen (7) and the second filter screen (8) are both obliquely arranged.