WO2019104797A1

WO2019104797A1 - Sieving apparatus for crushed furnace coal

Info

Publication number: WO2019104797A1
Application number: PCT/CN2017/118625
Authority: WO
Inventors: 钱建农
Original assignee: 无锡市恒达矿山机械有限公司
Priority date: 2017-12-01
Filing date: 2017-12-26
Publication date: 2019-06-06
Also published as: CN107983638A

Abstract

A sieving apparatus for crushed furnace coal, comprising a first housing (1). The surface of the inner wall of the first housing (1) is bridged to the surface of the second housing (2). A sieve plate (3) is provided within the second housing (2). First support plates (4) are fixedly connected to either side of the second housing (2). The lower surfaces of the two first support plates (4) are fixedly connected correspondingly to the upper surfaces of second support plates (6) via two telescoping apparatus (5). The four telescoping apparatus (5) are symmetrically provided on the front and rear sides of the lower surfaces of the first support plates (4). The telescoping apparatus (5) comprise telescoping rods (51). Springs (52) are sleeved on the surfaces of the telescoping rods (51). The sieving apparatus for crushed furnace coal, with the provision of the first housing (1), the second housing (2), the sieve plate (3), the first support plates (4), the telescoping apparatus (5), a first motor (7), a cam (8), a traction cable (9), a gear rod (16), a gear (17), and a second motor (18), sieves the coal before the coal is used and controls coal of larger sizes, thus improving the combustion of the coal, and increasing the combustion efficiency of the coal.

Description

Screening device after boiler burning coal

Technical field

The invention relates to the technical field of boilers, in particular to a screening device after burning coal of a boiler.

Background technique

A boiler is a mechanical device that uses heat from fuel or other energy sources to heat water into hot water or steam. The original meaning of the pot refers to the water container heated on the fire, the furnace refers to the place where the fuel is burned, and the boiler includes two parts of the pot and the furnace. The hot water or steam generated in the boiler can directly provide the thermal energy needed for industrial production and people's life. It can also be converted into mechanical energy by steam power plant, or converted into electrical energy by a generator. The boiler that supplies hot water is called a hot water boiler, and is mainly used for living, and there are also a small number of applications in industrial production. Steam generators are called steam boilers, often referred to as boilers, and are used in thermal power plants, ships, locomotives, and industrial and mining enterprises.

The fuel used for boiler combustion is mostly coal-fired, and coal-fired coal will be crushed when it is used. At present, in most places, after burning coal, the coal is directly added to the boiler, and the coal residue in the boiler is regularly cleaned. The coal with a large volume of incomplete combustion will be cleaned out, resulting in insufficient thorough use of coal, resulting in reduced combustion efficiency of coal.

Summary of the invention

(1) Technical problems solved

In view of the deficiencies of the prior art, the present invention provides a screening device for a coal-fired crushed boiler, which solves the problem that most of the existing places directly add coal to the boiler after crushing the coal, and the inside of the boiler The cinder will be cleaned regularly, and the coal with a large volume of incomplete combustion will be cleaned out, resulting in insufficient thorough use of coal, resulting in a problem of reduced combustion efficiency of coal.

(2) Technical plan

In order to achieve the above object, the present invention provides the following technical solution: a screening device after burning coal of a boiler, comprising a first casing, a surface of the inner wall of the first casing overlapping with a surface of the second casing, A screen plate is disposed in the second casing, and the first support plate is fixedly connected to both sides of the second casing, and the lower surfaces of the two first support plates pass through the two expansion devices and the second support plate. The upper surface is fixedly connected, and four telescopic devices are symmetrically disposed on the front and rear sides of the lower surface of the first support plate, the telescopic device includes a telescopic rod, and the surface of the telescopic rod is sleeved with a spring, the telescopic rod and the spring The two ends are fixedly connected to the opposite sides of the first support plate and the second support plate, respectively, and the opposite faces of the two second support plates are respectively fixedly connected with the two sides of the first casing, and the lower surface of the first casing Fixedly connected to the fuselage of the first motor, the surface of the first motor output shaft is fixedly coupled with a cam, the first motor is located at the rear side of the cam, and the lower surface of the cam is overlapped with the surface of the traction rope. Both ends of the traction rope Pulling through the pulleys disposed on the left and right sides of the first housing and through the through holes formed in the lower surfaces of the two second supporting plates, and the lower surface of the first supporting plate is fixedly connected, and the end of the pulling rope and the first supporting plate is connected Located in the middle of the two telescopic devices.

The lower surface of the first casing is provided with a discharge port, and the first casing is provided with a baffle corresponding to the position of the discharge opening, and the left and right sides of the baffle are respectively fixedly connected with two sliding bars, and The four sliding bars are symmetrically disposed on the front and rear sides of the two sides of the baffle, and the sliding surfaces of the four sliding bars are sleeved, and the upper surfaces of the four sliding sleeves are fixedly connected with the lower surface of the first casing. a front side of the baffle is provided with a toothed rod, the toothed rod is meshed with a gear, the gear is located at a position on the right side of the toothed rod, and the gear is fixedly connected to a surface of the second motor output shaft, the second motor The fuselage is fixedly connected to the front surface of the first casing through two fixing blocks, and the two fixing blocks are symmetrically disposed on the left and right sides of the second motor body.

The lower surface of the first housing is provided with four supporting legs, and the lower surfaces of the four supporting legs are all provided with rollers, and the four supporting legs are symmetrically disposed on the front and rear sides of the traction rope, and the four supporting legs are Located on the back side of the slider.

Preferably, a left side of the first housing is provided with a handle, and the handle is located below the second support plate.

Preferably, the left and right sides of the inner wall of the first casing are provided with guide plates, and both of the guide plates are inclined toward the discharge opening.

Preferably, the lower surface of the first housing is provided with a battery, and the battery is located between the front support leg and the traction rope.

Preferably, a front surface of the first housing is provided with a control panel, an input end of the control panel is electrically connected to an output end of the battery, and an output end of the control panel is respectively connected to an input end of the first motor and the second motor Electrical connection.

Preferably, the through hole has a circular shape, and the discharge opening has a rectangular shape.

(3) Beneficial effects

The invention provides a screening device after burning coal of a boiler, which has the following beneficial effects:

(1) The screening device after the coal-fired boiler is broken, by providing a first casing, a second casing, a sieve plate, a first support plate, a telescopic device, a first motor, a cam, a traction rope, a rack, a gear and a second motor control the operation of the first motor, the first motor drives the cam to rotate, and when the cam presses the traction rope, the traction rope drives the first support plate to move downward, thereby moving the second housing downward When the cam does not press the traction rope, the expansion device is extended to move the first support plate upward, so that the sieve in the second casing can be sieved to shake the coal to control the operation of the second motor. The output shaft of the two motors can move the gear rod through the gear, so that the correspondence and misalignment between the baffle and the discharge port can be controlled, and the coal burning can be screened before the coal is used, so that the coal burning with larger volume can be controlled. Therefore, the combustion of coal can be better performed, thereby improving the combustion efficiency of coal combustion.

(2) The screening device after the coal-fired crushing of the boiler can move the first casing by providing a roller and a handle, thereby facilitating the use of the sieved coal, and the invention is compact and designed Reasonable and practical.

DRAWINGS

Figure 1 is a schematic cross-sectional structural view of the present invention;

Figure 2 is a schematic view showing the structure of the present invention;

Figure 3 is a schematic structural view of a portion A of the present invention;

Figure 4 is a schematic side view of the cam of the present invention.

In the figure: 1 first housing, 2 second housing, 3 sieve plate, 4 first support plate, 5 telescopic device, 51 telescopic rod, 52 spring, 6 second support plate, 7 first motor, 8 cam, 9 traction rope, 10 pulleys, 11 through holes, 12 discharge ports, 13 baffles, 14 slide bars, 15 sliding sleeves, 16 toothed bars, 17 gears, 18 second motors, 19 fixed blocks, 20 support legs, 21 rollers 22 handles, 23 guide plates, 24 batteries, 25 control panels.

Detailed ways

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

As shown in FIG. 1-4, the present invention provides a technical solution: a screening device after burning a coal-fired boiler, comprising a first casing 1 through which a first casing 1 is disposed, which can be screened by the sieve plate 3 The divided coal is stored, the surface of the inner wall of the first casing 1 overlaps the surface of the second casing 2, and the second casing 2 is provided with a sieve plate 3 through which the sieve plate 3 is disposed, and the second casing 2 When moving up and down, the sieve plate 3 is swayed up and down to sift the coal, and the smaller coal is dropped into the first casing 1 through the sieve plate 3 for storage, and both sides of the second casing 2 are The first support plate 4 is fixedly connected, and the lower surfaces of the two first support plates 4 are fixedly connected to the upper surface of the second support plate 6 through the two telescopic devices 5, and the four telescopic devices 5 are symmetrically disposed at the first The front and rear sides of the lower surface of the support plate 4 can support the telescopic device 5 by providing the second support plate 6, so that the first support plate 4 can be supported, so that the second casing 2 can be moved up and down better. The telescopic device 5 includes a telescopic rod 51. The surface of the telescopic rod 51 is sleeved with a spring 52. When the wheel 8 presses the traction rope 9 downward, the first support plate 4 moves downward to shorten the spring 52. When the cam 8 is not pressed against the traction rope 9, the spring 52 is extended to move the first support plate 4 upward, the telescopic rod 51 and the spring. The two ends of the first support plate 4 and the second support plate 6 are fixedly connected to each other, and the opposite faces of the two second support plates 6 are respectively fixedly connected to the two sides of the first housing 1 , the first shell The lower surface of the body 1 is fixedly connected to the body of the first motor 7, and the first motor 7 is provided to control the operation of the first motor 7. The output shaft of the first motor 7 can drive the cam 8 to rotate, so that the cam 8 can be made. The first traction plate 9 is pressed to move the first support plate 4 downward, and the surface of the output shaft of the first motor 7 is fixedly coupled with the cam 8. By providing the cam 8, the work of the first motor 7 is utilized, and the cam 8 is pulled to the traction rope. 9 pressing can move the first support plate 4 downward. When the cam 8 does not press down the traction rope 9, the spring 52 can be extended to move the first support plate 4 upward, and the first motor 7 is located behind the cam 8. On the side, the lower surface of the cam 8 overlaps the surface of the traction rope 9, and the two ends of the traction rope 9 are respectively A through hole 11 provided around the left and right sides of the first housing 1 and passing through the lower surface of the second support plate 6 is fixedly connected to the lower surface of the first support plate 4, and can be pulled by providing the pulley 10. The rope 9 is better moved, the shape of the through hole 11 is circular, and the end of the traction rope 9 connected to the first support plate 4 is located at the intermediate position of the two telescopic devices 5, by providing the traction rope 9, when the cam 8 is towed When the rope 9 is pressed, the traction rope 9 can pull the first support plate 4 to move downward.

The lower surface of the first casing 1 is provided with a discharge opening 12, and the shape of the discharge opening 12 is rectangular. The discharge port 12 is arranged to facilitate the collection of coal burning in the first casing 1. The first casing 1 A baffle 13 is disposed at a position corresponding to the discharge port 12. By providing the baffle 13, when the baffle 13 closes the discharge port 12, the coal in the first casing 1 can be prevented from leaking out, and the baffle 13 is left and right. Two sliding bars 14 are fixedly connected to the two sides, and four sliding bars 14 are symmetrically disposed on the front and rear sides of the two sides of the baffle 13, and the surfaces of the four sliding bars 14 are sleeved with the sliding sleeve 15 and four The upper surface of the sliding sleeve 15 is fixedly connected with the lower surface of the first casing 1. By providing the sliding rod 14 and the sliding sleeve 15, the baffle 13 can be supported and fixed, and the baffle 13 can be better aligned. The port 12 is closed, and the front surface of the baffle 13 is provided with a rack 16 which is meshed with the gear 17. By providing the rack 16, when the gear 17 rotates, the gear 17 can mesh with the rack 16 to be controlled. Corresponding and separating of the baffle 13 and the discharge port 12, so that the coal burning in the first casing 1 can be more conveniently collected. The gear 17 is located at the right side of the rack 16 , and the gear 17 is fixedly coupled to the surface of the output shaft of the second motor 18 . The fuselage of the second motor 18 is fixedly connected to the front surface of the first housing 1 through the two fixing blocks 19 . The second motor 18 is arranged to control the forward rotation and the reverse rotation of the second motor 18, and the output shaft of the second motor 18 can drive the gear 17 to rotate, so that the baffle 13 can be better moved, and the two fixing blocks 19 are symmetric. It is disposed on the left and right sides of the fuselage of the second motor 18.

The front surface of the first housing 1 is provided with a control panel 25, and the input end of the control panel 25 is electrically connected to the output end of the battery 24. By providing the battery 24, the first motor 7 and the second motor 18 are conveniently operated by electricity, thereby Preferably, the coal is sieved, and the coal burning in the first casing 1 is more conveniently collected, and the output ends of the control panel 25 are electrically connected to the input ends of the first motor 7 and the second motor 18, respectively. The control panel 25 is provided to better control the operation of the first motor 7 and the second motor 18, so that the coal combustion can be better sieved, and the left and right sides of the inner wall of the first casing 1 are provided with the guide plates 23 And the two guide plates 23 are inclined to the discharge port 12, and by providing the guide plate 23, the coal in the first casing 1 can be slid in the direction of the discharge port 12, so that the coal can be better Receiving, the left side of the first casing 1 is provided with a handle 22, the handle 22 is located below the second support plate 6, the lower surface of the first casing 1 is provided with four support legs 20, and the four support legs 20 The lower surface is provided with a roller 21, and the four support legs 20 are symmetrically disposed at The front and rear sides of the lead rope 9 and the four support legs 20 are located on the rear side of the slide bar 14. By providing the handle 22 and the roller 21, the first housing 1 can be more conveniently moved, thereby facilitating the first shell. The coal in the body 1 is used.

In use, the crushed coal is placed on the sieve plate 3 in the second casing 2, and then the first motor 7 is controlled by the control panel 25, and the output shaft of the first motor 7 drives the cam 8 to rotate, when the cam 8 When the middle portion of the traction rope 9 is squeezed, both ends of the traction rope 9 drive the two first support plates 4 to move downward, thereby moving the second casing 2 downward, thereby shortening the telescopic device 5 when the cam 8 is rotating In the case where the traction rope 9 is not squeezed, the telescopic device 5 is extended to move the first support plate 4 upward, thereby moving the second casing 2 upward, so that the sieve plate 3 can be slid up and down to sift the coal. Therefore, the smaller coal will fall into the first casing 1 through the sieve plate 3. When the coal is sieved, the first motor 7 is controlled to stop working through the control panel 25, when the first casing is needed. When the coal in the body 1 is taken out, the second motor 18 is controlled by the control panel 25, and the output shaft of the second motor 18 drives the gear 17 to rotate, so that the gear 17 meshes with the rack 16 to cause the rack 16 to move the flap 13 to the right. So that the slide bar 14 slides to the right inside the sliding sleeve 15 so as to pass through the discharge opening 12 In order to collect the coal, after the coal is collected, the second motor 18 is controlled to reverse by the control panel 25, so that the gear 17 meshes with the rack 16 to move the flap 13 to the left, so that when the flap 13 is facing out When the material port 12 is closed, the second motor 18 is controlled to be stopped by the control panel 25. At the same time, the first casing 1 can be moved by the handle 22 and the roller 21, so that the coal can be used more conveniently.

In summary, the screening device after the coal-fired crushing of the boiler is provided by providing the first casing 1, the second casing 2, the sieve plate 3, the first support plate 4, the telescopic device 5, the first motor 7, and the cam 8. The traction rope 9, the rack gear 16, the gear 17 and the second motor 18 control the operation of the first motor 7, the first motor 7 drives the cam 8 to rotate, and when the cam 8 presses the traction rope 9, the traction rope 9 drives The first support plate 4 is moved downward, so that the second housing 2 can be moved downward. When the cam 8 does not press the traction rope 9, the expansion device 5 is extended to move the first support plate 4 upward, so that The screen plate 3 in the second casing 2 is swayed up and down to sift the coal, and the operation of the second motor 18 is controlled. The output shaft of the second motor 18 can move the rack 16 through the gear 17, so that the baffle 13 can be controlled. Corresponding to the misalignment of the discharge port 12, the coal is sieved before the use of the coal, so that the coal with a larger volume can be controlled, so that the combustion of the coal can be better burned, thereby improving The combustion efficiency of coal burning.

At the same time, the screening device after the coal-fired crushing of the boiler can move the first casing 1 by providing the roller 21 and the handle 22, thereby facilitating the use of the sieved coal, and the invention is compact. The design is reasonable and practical.

While the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art The scope of the invention is defined by the appended claims and their equivalents.

Claims

A screening device after a coal-fired boiler is broken, comprising a first casing (1), wherein a surface of an inner wall of the first casing (1) overlaps a surface of the second casing (2), a sieve plate (3) is disposed in the second casing (2), and the first support plate (4) is fixedly connected to both sides of the second casing (2), and the two first support plates ( 4) The lower surface is fixedly connected to the upper surface of the second support plate (6) by two telescopic devices (5), and the four telescopic devices (5) are symmetrically disposed before and after the lower surface of the first support plate (4) On both sides, the telescopic device (5) includes a telescopic rod (51), and a surface of the telescopic rod (51) is sleeved with a spring (52), and the two ends of the telescopic rod (51) and the spring (52) are respectively The opposite sides of the first support plate (4) and the second support plate (6) are fixedly connected, and the opposite faces of the two second support plates (6) are respectively fixedly connected to the two sides of the first housing (1), The lower surface of the first housing (1) is fixedly connected to the body of the first motor (7), and the surface of the output shaft of the first motor (7) is fixedly coupled with a cam (8), the first motor (7) located on the rear side of the cam (8), the lower surface of the cam (8) and the pull The surface of the rope (9) is overlapped, and the two ends of the traction rope (9) respectively bypass the pulleys (10) disposed on the left and right sides of the first casing (1) and pass through the two second support plates (6) The through hole (11) opened on the lower surface is fixedly connected to the lower surface of the first support plate (4), and the end of the traction rope (9) connected to the first support plate (4) is located at the two expansion devices (5) centre position;

The lower surface of the first casing (1) is provided with a discharge port (12), and the first casing (1) is provided with a baffle (13) corresponding to the position of the discharge port (12), the block Two sliding bars (14) are fixedly connected to the left and right sides of the plate (13), and four sliding bars (14) are symmetrically disposed on the front and rear sides of the two sides of the baffle (13), and four sliding bars (14) The surface of each of the sleeves is sleeved with a sliding sleeve (15), and the upper surfaces of the four sliding sleeves (15) are fixedly connected with the lower surface of the first housing (1), and the front surface of the shielding plate (13) is provided with a rack (16), the rack (16) meshes with a gear (17) located at a right side of the rack (16), the gear (17) being fixedly coupled to the second motor ( 18) The surface of the output shaft, the fuselage of the second motor (18) is fixedly connected to the front surface of the first housing (1) by two fixing blocks (19), and the two fixing blocks (19) are symmetrically disposed at The left and right sides of the fuselage of the second motor (18);

The lower surface of the first casing (1) is provided with four support legs (20), and the lower surfaces of the four support legs (20) are provided with rollers (21), and the four support legs (20) are symmetric They are disposed on the front and rear sides of the traction rope (9), and the four support legs (20) are located on the rear side of the slide bar (14).
The screening device after the coal-fired crushing of the boiler according to claim 1, characterized in that: the left side of the first casing (1) is provided with a handle (22), and the handle (22) is located Below the second support plate (6).
The screening device after the coal-fired crushing of the boiler according to claim 1, characterized in that: the left and right sides of the inner wall of the first casing (1) are provided with guide plates (23), and two guides The plates (23) are all inclined toward the discharge opening (12).
The screening device after burning coal of a boiler according to claim 1, characterized in that: the lower surface of the first casing (1) is provided with a battery (24), and the battery (24) is located at the front The position between the side support legs (20) and the traction rope (9).
The screening device after the coal-fired crushing of the boiler according to claim 1, characterized in that: the front surface of the first casing (1) is provided with a control panel (25), and the control panel (25) The input is electrically connected to the output of the battery (24), and the output of the control panel (25) is electrically connected to the inputs of the first motor (7) and the second motor (18), respectively.
The screening device after the coal-fired crushing of the boiler according to claim 1, wherein the through hole (11) has a circular shape, and the discharge opening (12) has a rectangular shape.