KR101616030B1 - Horizontal Transfer Multistage Type Conbustion Improving Water Cooling Grate Firing Equipment - Google Patents

Horizontal Transfer Multistage Type Conbustion Improving Water Cooling Grate Firing Equipment Download PDF

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Publication number
KR101616030B1
KR101616030B1 KR1020150127632A KR20150127632A KR101616030B1 KR 101616030 B1 KR101616030 B1 KR 101616030B1 KR 1020150127632 A KR1020150127632 A KR 1020150127632A KR 20150127632 A KR20150127632 A KR 20150127632A KR 101616030 B1 KR101616030 B1 KR 101616030B1
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South Korea
Prior art keywords
grid
fluidization
fluidization grid
fluidizing
axis
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KR1020150127632A
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Korean (ko)
Inventor
박환규
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박환규
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H11/00—Travelling-grates
    • F23H11/12—Travelling-grates inclined travelling grates; Stepped travelling grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H11/00—Travelling-grates
    • F23H11/18—Details
    • F23H11/20—Driving-means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H3/00—Grates with hollow bars
    • F23H3/02—Grates with hollow bars internally cooled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H2700/00—Grates characterised by special features or applications
    • F23H2700/009—Grates specially adapted for incinerators

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)

Abstract

The horizontal transfer stage multi-stage combustion-promoted water-cooled grate apparatus of the present invention comprises a stationary grate 10 installed inside a grate and arranged in a stepwise manner and spaced apart from each other; A fluidization grid (20) arranged between the fixed grate (10) and arranged horizontally in a stepwise manner; (30) for moving the fluidization grid (20) forward and backward, wherein the fluidization grid forward and backward means (30) comprises a fluidization grid (32a) formed in the forward and backward directions so that both ends of the fluidizing grid axis (31) are inserted and the fluidizing grid axis (31) can be moved forward and backward by supporting both ends of each fluidizing grid axis (31) And a fluidization grid axis 31 coupled to both ends of two to five fluidization grid axes 31 adjacent to each other are connected to the fluidization grid axis support portion 32 A cushioning bar 34 hinged to the lower portion of the fixing bar 33 at one end of the cushioning bar 34 and a cushioning bar 34 formed of a base circle and a nose, And the nose portion is hinged to the other end of the buffering bar 34 so that the buffer bar 3 A rotary shaft 36 fixed to the base circle of the rotary link bar 35 and configured to rotate the rotary link bar 35 and a rotary shaft 36 configured to rotate the rotary shaft 36, (37), and the fluidization grid (20) and the fluidization grid axis (31) are cooled by water-cooling by injecting and discharging water into the fluidization grid (20).

Figure R1020150127632

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to horizontal transfer multistage type converging water improving cooling water grate firing equipment,

The present invention relates to a horizontal transfer multi-stage combustion-promoted water-cooled grate device for facilitating speed control of a driving part for advancing and retracting a plurality of fluidization grid arrays according to a position of a combustion chamber.

Generally, the incineration plant includes a plurality of fixed grate arrangements and a plurality of fluidization grid arrays arranged alternately in a stepwise manner so that incineration is performed while the waste is continuously moved.

In the incineration plant, there is a lot of residue in the facility due to the foreign matter and high temperature generated by incineration of the waste in the image. In addition, the fixed grate arrangement and the fluidization grid array which are alternately arranged in a stepwise manner may be distorted due to high temperature.

As described above, the image continuous acceleration driving devices installed in the incineration facilities so far are contaminated by high temperature and various foreign substances, resulting in a small equipment failure, resulting in difficulty in maintenance and high cost. Also, since the driving device for moving the plurality of fluidization grid arrays forward and rearward has a complicated structure, maintenance and repair of the equipment has been difficult.

In order to solve the above problems, Korean Patent Registration No. 10-0632248 filed by the applicant of the present invention and filed by the present applicant (entitled "Linear Induction Rail, Image Continuous Promotion Driving Device by Continuous Cooling and Induction Rail Grate) Lt; / RTI >

In this patent, since the driving devices for driving the grate are installed outside the incineration combustion chamber, they are shut off from waste or high temperature, and there is no residual space, so that it is possible to operate the facility stably.

In actual operation, in the grate combustion chamber, the forward and backward speeds of the driving parts for moving forward and backward the plurality of fluidization grid arrays from the fuel inlet part located at one side of the combustion chamber to the re-discharge part located at the other side of the combustion chamber are required to be increased in combustion efficiency .

However, in the above-mentioned patent, since the hydraulic cylinder is used in the driving part for moving the plurality of fluidized-lattice arrays back and forth in the construction, the speed control of the driving part for moving the plurality of fluidized lattice arrays according to the position is difficult. In addition, since the hydraulic system is used, the apparatus is complicated, the reaction speed is slow, and the facility maintenance cost is large.

In addition, there is a problem that thermal deformation is likely to occur because there is no means for cooling the linear induction rails, the image continuous acceleration driving device by the minimum driving force, the continuous cooling and the induction rail grate.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a horizontal transfer multistage combustion promoting water cooling Thereby providing a grate device.

It is another object of the present invention to provide a horizontal transfer multistage combustion promoting water-cooled grate device for preventing thermal deformation of a fluidized lattice by circulating and cooling by water-cooling.

In order to accomplish the above object, the horizontal transfer multistage-type water-cooling water-cooled grate apparatus of the present invention comprises a stationary grate 10 installed in a grate furnace, arranged horizontally in a stepwise manner and spaced apart from each other; A fluidization grid (20) arranged between the fixed grate (10) and arranged horizontally in a stepwise manner; (30) for moving the fluidization grid (20) back and forth, wherein the fluidization grid forward and backward means (30) comprises a plurality of fluidized- The fluidizing grid axis 31 and the opposite end portions of the fluidizing grid axis 31 are inserted so that the fluidizing grid axis 31 can be moved back and forth And the fluidizing grid axis 31 coupled to both ends of the two to five fluidizing grid axes 31 adjacent to each other, (33a, 33b) of the fluidized-bed coaxial support unit (32), and a plurality of fixed bars (33, A buffer bar 34, and a cam formed of a base circle 35a and a nose portion 35b. And a nose portion 35b hinged to the other end of the buffer bar 34 to rotate the buffer bar 34 forward and backward by rotation, Each of the rotary shafts 36 fixed to the base circle 35a of the rotary link bar 35 for rotating the rotary link bar 35 and the respective rotary shaft rotary means 37 for rotating the rotary shafts 36 ), And the fluidization grid (20) and the fluidization grid axis (31) are cooled by water-cooling by injecting and discharging water into the fluidization grid (20).

The rotary shaft rotating means 37 includes a driven pulley 37a or a driven sprocket provided at the center of the rotary shaft 36 and a driven pulley 37a or a driven sprocket and a transmission belt 37b or an electric chain A motor shaft 37d coupled to the drive pulley 37c or the drive sprocket and coupled to the drive pulley 37c or the drive sprocket and an electric motor 37e for rotating the motor shaft 37d. do.

In addition, the number of revolutions of the electric motor 37e gradually increases toward the bottom.

At this time, the fluidizing grid axis 31 is provided with a cooling water inflow portion 31a through which cooling water flows into the shaft at one end portion and a cooling water discharge portion 31b through which cooling water is discharged from the shaft inside the other end portion Wherein the fluidizing grids 20 are formed with cooling water flow paths 21 through which cooling water flows and discharged and the fluidizing grids 20 adjacent to each other are communicated with the cooling water flow paths 21, The cooling water flow passage 21 of the fluidizing grid 20 located at the outer side of one end portion is connected to the cooling water inflow portion 31a and is connected to the fluidizing grid axis 31, And the fluidizing grid 20 is cooled by the inflow and outflow of the cooling water to the fluidizing grid axis 31 and the fluidizing grid 20.

The cooling water flow path 21 of the fluidization grid 20 is the same as the forward and backward direction of the fluidization grid axis 31 and forms four flow paths parallel to each other and ends of adjacent flow paths communicate with each other to form a zigzag flow path And a four-pass flow path.

Unlike the conventional apparatus using a hydraulic cylinder, the horizontal transfer multi-stage combustion-promoted water-cooled grate apparatus of the present invention having the above-described structure moves the fluidized lattice back and forth by rotation of the motor, The maintenance cost can be reduced.

Further, unlike the conventional apparatus using a hydraulic cylinder, the fluidized lattice is moved forward and backward by the rotation of the motor, and the rotational speed of the motor can be controlled by using the inverter. Therefore, unlike the conventional apparatus using the hydraulic cylinder The speed control for moving the fluidization grid forward and backward can be facilitated.

In addition, it is possible to extend the lifetime of the apparatus by preventing the thermal deformation of the fluidized lattice and the fluidized lattice axis by circulating and cooling the fluidized liquid.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram showing the overall structure of a horizontal transfer stage multi-stage combustion promoting water-cooled grate apparatus of the present invention. FIG.
2 and 3 are views showing fluidized-lattice forward and backward means in the horizontal transfer multi-stage combustion-promoted water-cooled grate apparatus of the present invention.
FIG. 4 is a view showing a water-cooling structure of a fluidization grid and a fluidization grid axis in the horizontal transfer multi-stage combustion-promoted water-cooled grate apparatus of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a horizontal transfer stage multi-stage combustion promoting water cooling grate device of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a view showing the entire structure of a horizontal transfer multistage-type combustion-promoted water-cooled grate device of the present invention, and FIGS. 2 and 3 are views showing a fluidization grid forward and backward means in a horizontal transfer multistage- FIG. 4 is a view showing a water-cooling structure of a fluidization grid and a fluidization grid axis in the horizontal transfer multi-stage combustion-promoted water-cooled grate apparatus of the present invention.

The horizontal transfer multi-stage combustion-promoting water-cooled grate apparatus according to the present invention comprises a fixed grating 10, a fluidization grid 20 and a fluidization grid forward / backward means 30 for moving the fluidization grid 20 back and forth .

As shown in FIG. 1, the fixed grate 10 is installed in a grate furnace 1, and a plurality of the grate gates 10 are arranged laterally in a stepwise manner, and are disposed apart from each other to form a layer. The fixed grate 10 is in the form of a plate.

1, the fluidized lattice 20 is disposed between the stationary grate 10 and is arranged laterally in a stepwise manner like the stationary grate 10 to form a layer. The fluidized lattice 20 is also in the form of a plate like the fixed grate 10.

The fluidized-lattice forward and backward means 30 causes the fluidized lattice 20 to move back and forth so that the solid fuel located above the stationary grate 10 is discharged from each of the fixed grate 10, So that the solid fuel is gradually moved downward.

2 and 3, the fluidization grid forward and backward means 30 includes the fluidization grid axis 31, the fluidization grid axis support portion 32, the fixing bar 33, A buffer bar 34, a rotating link bar 35, a rotating shaft 36, and a rotating shaft rotating means 37.

Each fluidization lattice axis 31 is associated with each fluidization lattice 20 and causes the fluidization lattice 20 to move back and forth by forward and backward movement.

Each of the fluidized-bed support shafts 32 supports both ends of each of the fluidized-bed support shafts 31. Both ends of the fluidized-bed support shafts 31 are inserted and the fluidized- A flow groove 32a formed in the front-rear direction is provided. And the forward and backward movements of the fluidization grating shaft 31 are simultaneously moved along the flow grooves 32a.

Each of the fixing bars 33 is connected to both ends of the two to five fluidizing grid axes 31 adjacent to each other and simultaneously connects the fluidizing grid axis 31 coupled to both ends of the fluidizing grid axis 31, And serves to move back and forth along the groove 32a.

Each of the buffer bars 34 is hinged to the lower portion of the fixing bar 33 at one end thereof. The other end of the buffer bar 34 is hinged to the rotating link bar 35.

3, each of the rotation link bars 35 is a cam formed of a base circle 35a and a nose portion 35b, and a nose portion 35b is formed by the cushioning bar 34 So as to advance and retract the buffer bar 34 by rotation.

Each of the rotation shafts 36 is fixed to a base circle of the rotation link bar 35 and serves to rotate the rotation link bar 35.

Each of the rotating shaft rotating means 37 serves to rotate each of the rotating shafts 36.

The rotating shaft rotating means 37 includes a driven pulley 37a or a driven sprocket, a drive pulley 37c or a drive sprocket, a motor shaft 37d and an electric motor 37e.

The rotating shaft rotating means 37 transmits the power to the driving belt 37b or the chain belt by rotating the motor shaft 37d by the electric motor 37e to rotate the rotating shaft 36. [

A driven pulley 37a and a drive pulley 37c are provided to transmit the power by the transmission belt 37b to rotate the rotation shaft 36, 36 are rotated, a driven sprocket and a drive sprocket are provided.

The driven pulley 37a is provided at the center of the rotary shaft 36. [

The drive pulley 37c is connected to the driven pulley 37a by a transmission belt 37b.

The motor shaft 37d is engaged with the drive pulley 37c.

The electric motor 37e rotates the motor shaft 37d.

The horizontal transfer stage multi-stage combustion-promoting water-cooled grate apparatus of the present invention having the above-described structure moves the fluidization grid 20 forward and backward by the following operation, thereby gradually moving the solid fuel downward.

When the motor shaft 37d is rotated by the operation of the electric motor 37e, when the driving pulley 37c coupled to the motor shaft 37d is rotated, power is transmitted by the electric belt 37b The driven pulley 37a is rotated. Since the driven pulley 37a is provided at the center of the rotary shaft 36, the rotary shaft 36 is rotated. The rotation shaft 36 is fixed to the base circle 35a of the rotation link bar 35 so that the rotation link bar 35 in a cam shape is rotated when the rotation axis 36 is rotated. The nose portion 35b of the rotary link bar 35 is hinged to the other end portion of the buffer bar 34 so that the buffer bar 34 is linearly reciprocated by the rotation of the rotary link bar 35 do. Since the one end of the buffer bar 34 is hinged to the lower portion of the fixing bar 33, the fixing bar 33 also linearly reciprocates by the linear reciprocating motion of the buffer bar 34 .

The fixed bar 33 is coupled to both ends of two to five fluidizing grid axes 31 adjacent to each other, and both ends of the fluidizing grid axis 31 are connected to the fluidizing grid axis 31, The fixed bar 33 is inserted into the flow grooves 32a of the fluidized grating shaft support 32 formed in the front and rear direction so that the fluidized grating shaft 31 is moved along the flow grooves 32a, . Since the fluidizing grid 20 is coupled to the fluidizing grid axis 31, the fluidizing grid 20 is moved forward and backward by the forward and backward movement of the fluidizing grid axis 31, Thereby gradually moving the solid fuel downward.

As described above, unlike the conventional apparatus using a hydraulic cylinder, the fluidized grid moves forward and backward by the rotation of the motor, so that the reaction speed is quick, the structure is simple, and the facility maintenance cost can be reduced.

In addition, it is preferable that the rotational speed of the electric motor 37e gradually increases toward the bottom.

Unlike the conventional apparatus using a hydraulic cylinder, the present invention allows the fluidized lattice to be moved back and forth by the rotation of the motor, and the rotational speed of the motor can be controlled by using the inverter. It becomes easy to control the speed of moving the fluidization grid in the forward and backward direction.

In order to prevent the fluidizing grid axis 31 and the fluidizing grid 20 from being thermally deformed, the fluidizing grid 20 and the fluidizing grid axis 31 are water-cooled by injecting and discharging water therein It is preferable that it is cooled.

In order to cool the fluidizing grid axis 31 and the fluidizing grid 20 by cooling water, the fluidizing grid axis 31 of the present invention has a structure in which cooling water flows into the shaft at one end portion as shown in FIG. 4 A cooling water inflow portion 31a is provided and a cooling water discharge portion 31b for discharging cooling water from the inside of the shaft is provided at the other end portion.

4, the fluidizing grids 20 are formed with cooling water flow paths 21 through which the cooling water flows and is discharged, and the fluidizing grids 20 adjacent to each other are arranged such that the cooling water flow paths 21 communicate with each other . The cooling water flow passage 21 of the fluidization grid 20 which is coupled to the fluidization grid axis 31 and is located at the outer side of one end of the fluidization grid 20 communicates with the cooling water inflow portion 31a, And the fluidizing grid 20 located at the outside of the other end communicates with the cooling water discharge portion 31b. In this case, the fluidizing grid axis 31 and the fluidizing grid 20 are cooled by the inflow and outflow of the cooling water.

As described above, according to the present invention, cooling water is introduced into and discharged from the fluidized-bed grating shaft 31 and the fluidized bed 20, thereby cooling them and preventing their thermal deformation.

4, the cooling water flow path 21 of the fluidization grid 20 forms four flow paths which are the same as the forward and backward directions of the fluidization grid axis 31 and parallel to each other, It is preferable that the flow path is a four-pass flow path that communicates with each other to form a zigzag flow path.

Since the fluidized lattice 20 is in the form of a plate, the fluidized lattice 20 is made to have a four-pass flow path in order to increase the cooling efficiency of the fluidized lattice 20.

The technical idea should not be interpreted as being limited to the above-described embodiment of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Accordingly, such modifications and changes are within the scope of protection of the present invention as long as it is obvious to those skilled in the art.

1: grate furnace 10: fixed grate
20: fluidization grid 21: cooling water flow path
30: means for advancing and retreating the fluidizing lattice 31: means for moving the fluidizing lattice axis
31a: cooling water inflow part 31b: cooling water discharge part
32: fluidization grid axis support portion 32a: flow groove
33: fixed bar 34: buffer bar
35: rotation link bar 35a: base circle
35b: nose portion 36:
37: rotating shaft rotating means 37a: driven pulley
37b: electric belt 37c: drive pulley
37d: motor shaft 37e: electric motor

Claims (5)

delete A stationary grate 10 installed inside the grate furnace, arranged horizontally in a stepwise manner and spaced apart from each other;
A fluidization grid (20) arranged between the fixed grate (10) and arranged horizontally in a stepwise manner;
And a fluidization grid forward / backward means (30) for moving the fluidization grid (20) back and forth,
The fluidization grid forward / backward means (30)
Each fluidization grid axis 31 associated with each said fluidization grid 20,
Flow grooves 32a formed in the forward and backward directions so as to support both ends of the fluidizing grid axis 31 and both ends of the fluidizing grid axis 31 are inserted so that the fluidizing grid axis 31 can be moved back and forth Each of the fluidization grating shaft supporting portions 32,
So that the fluidizing grid axis 31 coupled to and coupled to both ends of the two to five fluidizing grid axes 31 adjacent to each other is simultaneously moved back and forth along the flow grooves 32a of the fluidizing grid axis support portion 32 The fixing bars 33,
Each of the buffer bars 34 hinged to the lower portion of each of the fixing bars 33 at one end thereof,
A nose portion 35b is hinged to the other end of the buffer bar 34 so that the buffer bar 34 is rotated by rotation, Each of the rotary link bars 35 moving forward and backward,
(36) fixed to the base circle (35a) of each of the rotation link bars (35) and rotating the rotation link bar (35)
And rotating shafts (37) for rotating the respective shafts (36)
The fluidization grid 20 and the fluidization grid axis 31 are cooled in a water-cooled manner by injecting water into the fluidization grid axis 31,
The rotating shaft rotating means (37)
A driven pulley 37a or a driven sprocket provided at the center of the rotating shaft 36,
A drive pulley 37c or a drive sprocket connected to the driven pulley 37a or the driven sprocket by a power transmission belt 37b or an electric chain,
A motor shaft 37d coupled to the drive pulley 37c or the drive sprocket,
And an electric motor (37e) for rotating the motor shaft (37d). 3. The method of claim 2,
Wherein the number of revolutions of the electric motor (37e) gradually increases toward the bottom. delete delete
KR1020150127632A 2015-09-09 2015-09-09 Horizontal Transfer Multistage Type Conbustion Improving Water Cooling Grate Firing Equipment KR101616030B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110078138A (en) * 2019-03-29 2019-08-02 中冶华天工程技术有限公司 Type mechanical grate foul remover is not cut off the water Construction Support device
KR102637656B1 (en) * 2023-06-01 2024-02-15 백락흥 Fuel Supplying Apparatus of Boiler

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060099757A (en) * 2005-03-14 2006-09-20 박환규 Fire-bed continue accelerate driving equipment by straight line linear guidance and minimal driving force
KR101373647B1 (en) * 2013-05-27 2014-03-12 에스엠메탈(주) Water cooling type combustion grate cooling device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060099757A (en) * 2005-03-14 2006-09-20 박환규 Fire-bed continue accelerate driving equipment by straight line linear guidance and minimal driving force
KR101373647B1 (en) * 2013-05-27 2014-03-12 에스엠메탈(주) Water cooling type combustion grate cooling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110078138A (en) * 2019-03-29 2019-08-02 中冶华天工程技术有限公司 Type mechanical grate foul remover is not cut off the water Construction Support device
KR102637656B1 (en) * 2023-06-01 2024-02-15 백락흥 Fuel Supplying Apparatus of Boiler

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