CN212057332U

CN212057332U - Chain grate capable of realizing partial coal gasification combustion

Info

Publication number: CN212057332U
Application number: CN202020584058.6U
Authority: CN
Inventors: 李立华; 严频
Original assignee: Huating Boiler Taizhou Co ltd
Current assignee: Huating Boiler Taizhou Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-01
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a chain grate capable of realizing coal partial gasification combustion, which comprises a grate shell and an inner side bracket, wherein the inner side bracket is fixedly arranged at the middle position inside the grate shell, the lower end of the inner side bracket is arranged inside the grate shell and is provided with a falling ash storage hopper, a slag stopper consisting of a hollow arc plate, an adjusting stud, a telescopic short block, a positioning screw and an arc baffle plate plays a good shielding and protecting role, when the chain grate is fixed, the hollow arc plate of the slag stopper is connected on the grate shell through the adjusting stud, so that the chain grate is fixed by pulling, when the chain grate is used, the angle of the hollow arc plate can be effectively changed by rotating, thereby changing the shielding angle, and the shielding area of the arc baffle plate can be effectively changed by the telescopic short block at the inner side, so that the shielding area is more comprehensive, and the adjusting stud and the telescopic short block are fixed through a positioning screw, so that the telescopic fixing is convenient to adjust and use.

Description

Chain grate capable of realizing partial coal gasification combustion

Technical Field

The utility model belongs to the technical field of relevant traveling grate boiler, concretely relates to can realize traveling grate stoker of coal part gasification burning.

Background

The chain grate is a mechanized combustion device which is most applied in industrial boilers, but has a certain coal type adaptation range. The combustion mode of the traveling grate stoker is moving fire bed combustion, and the fuel ignition condition is limited ignition. The fuel enters the fire grate through the coal feeding hopper, the combustion process of the fuel begins in the man-made furnace along with the movement of the fire grate, and the burnt coal slag is discharged to the slag discharging well at the tail part of the fire grate along with the movement of the fire grate. Therefore, compared with a reciprocating furnace, a vibrating furnace and a fluidized bed furnace, the chain grate has higher requirement on the grade of coal. The mechanical coal throwing furnace is basically an infinite-ignition grate with a grate firing layer, and has a relatively wide range of adaptation to coal quality.

The prior chain grate technology has the following problems: when the existing chain grate is used, the inner side slag stopper can not well change the angle rotation according to the needs, and the whole shielding area can not be well adjusted according to the needs, so that the problem of incomplete shielding can be easily caused when the chain grate is shielded.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can realize coal partial gasification burning's traveling grate to solve the fixed angle of change that the slag bridge of the current traveling grate that proposes in the above-mentioned background art can not be fine and shelter from regional problem.

In order to achieve the above object, the utility model provides a following technical scheme:

a chain grate capable of realizing partial coal gasification combustion comprises a grate shell and an inner support, wherein the inner support is fixedly arranged at the middle position inside the grate shell, the lower end of the inner support is positioned inside the grate shell and is provided with an ash falling storage hopper, the left side of the inner support is positioned on the grate shell and is provided with a front transmission shaft, the right side of the inner support is positioned on the grate shell and is provided with a rear driving rotating wheel, the front transmission shaft and the rear driving rotating wheel are fixedly connected through a conveying furnace chain, the outer side of the conveying furnace chain is positioned inside the rear end of the grate shell and is provided with a slag stopper, the middle of the right end of the grate shell is provided with an air inlet pipeline, the middle of the left end of the grate shell is provided with an overhauling furnace plate, the outer side of the overhauling furnace plate is positioned on the grate shell and is provided with a furnace plate lock catch, and the left side, the middle of the inside of the metal coal bucket is provided with an inner discharging mechanism, the outer end of the inner discharging mechanism is arranged on the metal coal bucket and is provided with a control rotating handle, and the outer side of the right end of the metal coal bucket is provided with a fixed accessory.

Preferably, the stove board hasp is including rotating locking piece, concave type fixed block, metal threaded rod, cavity square and rotating shaft post, be provided with metal threaded rod in the middle of the inside of cavity square, metal threaded rod and cavity square pass through rotating shaft post fixed connection, the upper end outside of metal threaded rod is provided with concave type fixed block, metal threaded rod's upper end is provided with the rotation locking piece, concave type fixed block is connected on the grate shell, the cavity square is connected on overhauing the stove board.

Preferably, the pushing off the slag ware includes cavity arc, adjusting stud, flexible short block, set screw and cowl, the lower extreme inboard of cavity arc is provided with adjusting stud, be provided with flexible short block in the middle of adjusting stud's the inside, adjusting stud and flexible short block's junction is provided with set screw, flexible short block's front end is provided with cowl, the cavity arc is connected on the grate shell.

Preferably, the maintenance furnace plate comprises a heat insulation baffle, an opening and closing handle and a sleeving convex block, the heat insulation baffle is arranged at the lower end of the opening and closing handle, the sleeving convex block is arranged in the middle of the lower end of the heat insulation baffle, and the heat insulation baffle and the sleeving convex block are connected to the fire grate shell.

Preferably, the metal coal hopper is in a funnel shape, and the interior of the metal coal hopper is in a hollow state.

Preferably, the four falling ash storage hoppers are arranged, and the falling ash storage hoppers are all fixed to the lower end of the inner side support in parallel at equal intervals.

Preferably, the grate shell is rectangular, and the interior of the grate shell is hollow.

Preferably, the grate shell and the overhaul furnace plate are movably and fixedly connected through a hinge, and the outer sides of the grate shell and the overhaul furnace plate are positioned on the same straight line.

Compared with the prior art, the utility model provides a can realize coal partial gasification burning's traveling grate stoker possesses following beneficial effect:

the utility model discloses can realize that coal portion gasification burning's traveling grate stoker passes through the cavity arc, the adjusting screw post, flexible stub, the pushing off slag ware that set screw and cowl are constituteed plays fine shielding protection, when fixed, the cavity arc of pushing off slag ware passes through the adjusting screw post and connects on the grate shell, make and fix through dragging, when using like this, the angle that can effectively rotate the change cavity arc is fixed, thereby the change shelters from the angle, and the cavity arc passes through inboard flexible stub, make and effectively change cowl shelter from the region, make and shelter from the region more comprehensive, and adjusting screw post and flexible stub are fixed through set screw, be convenient for adjust flexible fixed the use like this.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic structural view of a traveling grate stoker capable of realizing partial coal gasification combustion according to the present invention;

FIG. 2 is a schematic view of the structure of the furnace plate lock catch of the present invention;

FIG. 3 is a schematic sectional view of the area of the slag bridge according to the present invention;

FIG. 4 is a schematic view of the structure of the maintenance furnace plate provided by the present invention;

in the figure: 1. controlling the rotating handle; 2. a grate housing; 3. furnace plate locking; 31. rotating the locking block; 32. a concave fixed block; 33. a metal threaded rod; 34. a hollow square block; 35. rotating the shaft column; 4. overhauling the furnace plate; 41. a heat insulation baffle; 42. the handle is opened and closed; 43. sleeving the convex block; 5. a front drive shaft; 6. a metal coal hopper; 7. a fixed fitting; 8. an internal feeding mechanism; 9. a conveyor chain; 10. an inboard bracket; 11. a falling ash storage hopper; 12. a slag stopper; 121. a hollow arc plate; 122. adjusting the stud; 123. a telescopic short block; 124. a set screw; 125. an arc-shaped baffle plate; 13. an air inlet pipeline; 14. the rotating wheel is driven.

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. 1-4, the present invention provides a technical solution:

the utility model provides a can realize chain grate of coal partial gasification burning, includes grate shell 2 and inside support 10, and the installation of inside support 10 is fixed on the inside intermediate position of grate shell 2, and grate shell 2 is the rectangle, and the inside of grate shell 2 is hollow state, and the lower extreme of inside support 10 is located inside being provided with of grate shell 2 and falls grey deposit fill 11, and the ash that falls is deposited fill 11 and is provided with four altogether, and falls grey deposit fill 11 equal parallel equidistance and fix on the lower extreme position of inside support 10. When placing, because of grate shell 2 is the rectangle, the bottom is in on the same straight line, be convenient for place the use like this, effectively avoid rocking, and the inside of grate shell 2 is hollow state, thereby fixed mounting inboard support 10 that can be fine, and inboard support 10 deposits fill 11 through the ash that falls of lower extreme, make collection burning dust that can be fine, and four ash that fall deposit fill 11 equal parallel equidistance fix on the lower extreme position of inboard support 10, it is more high-efficient when collecting the dust like this, and the ability of storage dust effectively obtains the guarantee, thereby it is too big to avoid the personnel intensity of labour that need clear up the cause many times, the personnel of being convenient for use.

A chain grate capable of realizing partial coal gasification combustion comprises a front transmission shaft 5 arranged on a grate shell 2 at the left side of an inner support 10, a rear driving rotating wheel 14 arranged on the grate shell 2 at the right side of the inner support 10, the front transmission shaft 5 and the rear driving rotating wheel 14 are fixedly connected through a conveying furnace chain 9, a slag stopper 12 is arranged inside the rear end of the grate shell 2 at the outer side of the conveying furnace chain 9, the slag stopper 12 comprises a hollow arc-shaped plate 121 and an adjusting stud 122, the fire grate comprises a telescopic short block 123, a positioning screw 124 and an arc baffle 125, wherein an adjusting stud 122 is arranged on the inner side of the lower end of a hollow arc-shaped plate 121, the telescopic short block 123 is arranged in the middle of the inside of the adjusting stud 122, the positioning screw 124 is arranged at the joint of the adjusting stud 122 and the telescopic short block 123, the arc baffle 125 is arranged at the front end of the telescopic short block 123, and the hollow arc-shaped plate 121 is connected to the fire grate shell 2. When in use, the rear driving rotating wheel 14 is connected with an external motor, so that the rear driving rotating wheel 14 is effectively driven to rotate through the rotation of the external motor, the front transmission shaft 5 and the rear driving rotating wheel 14 are fixedly connected through the conveying furnace chain 9, so that when the rear driving rotating wheel 14 rotates, the front transmission shaft 5 is effectively driven to rotate through the conveying furnace chain 9, so that the conveying furnace chain 9 is conveyed to move, and the splashing of waste slag is effectively avoided through the blocking of the slag stopper 12 during conveying, the hollow arc-shaped plate 121 of the slag stopper 12 is connected to the fire grate shell 2 through the adjusting stud 122 and is fixed through pulling, so that when in use, the angle of the hollow arc-shaped plate 121 can be effectively changed to be fixed, thereby changing the shielding angle, and the hollow arc-shaped plate 121 passes through the inner telescopic short block 123, so that the shielding area of the arc-shaped baffle 125 can be effectively changed, the sheltering area is more comprehensive, and the adjusting stud 122 and the telescopic short block 123 are fixed through the positioning screw 124, so that the telescopic fixing is convenient to adjust.

The utility model provides a can realize chain grate of coal partial gasification burning, be provided with intake stack 13 in the middle of the right-hand member including grate shell 2, be provided with in the middle of the left end of grate shell 2 and overhaul furnace plate 4, grate shell 2 passes through hinge activity fixed connection with overhauing furnace plate 4, and the outside of grate shell 2 and maintenance furnace plate 4 is in on the same straight line, it includes thermal baffle 41 to overhaul furnace plate 4, open and shut handle 42 and cup joint lug 43, the lower extreme of open and shut handle 42 is provided with thermal baffle 41, be provided with in the middle of thermal baffle 41's the lower extreme and cup joint lug 43, thermal baffle 41 with cup joint lug 43 and connect on grate shell 2. When using, can effectively carry the air through intake stack 13 and burn the use, and when overhauing, because of grate shell 2 and maintenance stove board 4 pass through hinge activity fixed connection, be convenient for open and shut the use like this, and the outside of grate shell 2 and maintenance stove board 4 is in on the same straight line, thereby can not take place the hindrance when placing, and the thermal baffle 41 of maintenance stove board 4 cup joints with cup jointing lug 43 and connects on grate shell 2, effective airtight fixing like this, and when opening and shutting, personnel are through the U type state of opening and shutting handle 42, make and be convenient for hold and open.

The utility model provides a can realize chain grate of coal part gasification burning, the outside of overhauing stove board 4 is located and is provided with stove board hasp 3 on grate shell 2, stove board hasp 3 is including rotating locking piece 31, concave fixed block 32, metal threaded rod 33, cavity square 34 and rotating shaft post 35, be provided with metal threaded rod 33 in the middle of the inside of cavity square 34, metal threaded rod 33 and cavity square 34 are through rotating shaft post 35 fixed connection, the upper end outside of metal threaded rod 33 is provided with concave fixed block 32, the upper end of metal threaded rod 33 is provided with rotates locking piece 31, concave fixed block 32 is connected on grate shell 2, cavity square 34 is connected on overhauing stove board 4. Overhaul furnace plate 4 when fixed, overhaul furnace plate 4 and close through the fixed of furnace plate hasp 3 can be fine, the concave fixed block 32 of furnace plate hasp 3 is connected on grate shell 2, and cavity square 34 is connected on overhauing furnace plate 4, through the rotation of metal threaded rod 33 like this for effectively detain, thereby it is fixed to lock in the rotation through rotating locking piece 31.

The utility model provides a can realize chain grate of coal part gasification burning, is provided with metal coal scuttle 6 including the upper end left side of grate shell 2, is provided with inside drop feed mechanism 8 in the middle of the inside of metal coal scuttle 6, and the outer end of inside drop feed mechanism 8 is located and is provided with control turning handle 1 on the metal coal scuttle 6, and the right-hand member outside of metal coal scuttle 6 is provided with fixed accessory 7, and metal coal scuttle 6 is the funnel shape, and the inside of metal coal scuttle 6 is hollow state. When using, the personnel carry out the material through metal coal scuttle 6 and add, and metal coal scuttle 6 is the funnel shape to the inside of metal coal scuttle 6 is the cavity state, makes the material fall the use of being convenient for, and when adding the material, personnel are through the rotation of control turning handle 1, thereby the blowing of the inside drop feed mechanism 8 of effective control is used.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, just can place on removing the assigned position through the external equipment with the traveling grate that can realize the coal part gasification burning. When the grate is placed, the chain grate capable of realizing partial coal gasification combustion passes through the shape of the grate shell 2 and the level of the bottom, so that the grate is more stable when placed. After being placed, the person connects the rear driving rotary wheel 14 inside the grate housing 2 with the external driving device, so that the grate can be driven and used well through the external driving device.

During the use, the personnel add outside coal material through metal coal scuttle 6, and when adding, personnel are through the rotation operation of control turning handle 1 for the inside drop feed mechanism 8 of effective control metal coal scuttle 6 inside carries out the blowing operation, thereby the blowing of being convenient for is used. The falling materials of the metal coal hopper 6 fall on the conveying furnace chain 9, so that the materials can be circumferentially fed for use through the driving of the rear driving rotating wheel 14 and the rotation of the front transmission shaft 5, and move to a specified position to be ignited by an external combustion device for use, and when the materials are combusted, the air is conveyed through the air inlet pipeline 13 at the outer end of the grate shell 2 for use. In the combustion process, the dust of burning then falls the ash that falls of inboard support 10 lower extreme and deposits and fight 11, and four ash that fall are deposited and are fought 11 equal parallel equidistance and fix on the lower extreme position of inboard support 10, and is more high-efficient like this when collecting the dust to the ability of storage dust effectively obtains the guarantee, thereby avoids the personnel intensity of labour that need clear up the cause many times too big, and the personnel of being convenient for use. The slag stopper 12 is composed of a hollow arc-shaped plate 121, an adjusting stud 122, a telescopic short block 123, a positioning screw 124 and an arc-shaped baffle 125, when the slag stopper 12 is fixed, the hollow arc-shaped plate 121 of the slag stopper 12 is connected to the grate shell 2 through the adjusting stud 122, so that the slag stopper is fixed by pulling, and is not easy to fall off when in use, the hollow arc-shaped plate 121 and the adjusting stud 122 are movably fixed, so that when the slag stopper is not fixed, the angle of the hollow arc-shaped plate 121 can be effectively changed by rotating to fix, so that the shielding angle is changed, the hollow arc-shaped plate 121 can effectively change the shielding area of the arc-shaped baffle 125 through the telescopic short block 123 on the inner side, so that the shielding area is more comprehensive, and the adjusting stud 122 and the telescopic short block 123 are fixed through the positioning screw 124, so that the telescopic fixing use is convenient, thereby being more convenient in use.

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 can realize chain grate of coal part gasification burning, includes grate shell (2) and inside support (10), its characterized in that: the inner side support (10) is fixedly arranged at the middle position inside the fire grate shell (2), the lower end of the inner side support (10) is positioned inside the fire grate shell (2) and is provided with a falling ash storage hopper (11), the left side of the inner side support (10) is positioned on the fire grate shell (2) and is provided with a front transmission shaft (5), the right side of the inner side support (10) is positioned on the fire grate shell (2) and is provided with a rear driving rotating wheel (14), the front transmission shaft (5) and the rear driving rotating wheel (14) are fixedly connected through a conveying furnace chain (9), the outer side of the conveying furnace chain (9) is positioned inside the rear end of the fire grate shell (2) and is provided with a slag stopper (12), the middle of the right end of the fire grate shell (2) is provided with an air inlet pipeline (13), the middle of the left end of the fire grate shell (2) is provided with an overhauling furnace plate (4), the outer side of the overhauling furnace plate (4) is positioned on the fire, the grate comprises a grate shell (2), and is characterized in that a metal coal hopper (6) is arranged on the left side of the upper end of the grate shell (2), an inner discharging mechanism (8) is arranged in the middle of the inner part of the metal coal hopper (6), the outer end of the inner discharging mechanism (8) is located on the metal coal hopper (6) and is provided with a control rotating handle (1), and a fixed accessory (7) is arranged on the outer side of the right end of the metal coal hopper (6).

2. The traveling grate stoker capable of realizing partial gasification combustion of coal as claimed in claim 1, wherein: stove board hasp (3) are including rotating locking piece (31), concave type fixed block (32), metal threaded rod (33), cavity square (34) and rotating shaft post (35), be provided with metal threaded rod (33) in the middle of the inside of cavity square (34), metal threaded rod (33) and cavity square (34) are through rotating shaft post (35) fixed connection, the upper end outside of metal threaded rod (33) is provided with concave type fixed block (32), the upper end of metal threaded rod (33) is provided with and rotates locking piece (31), concave type fixed block (32) are connected on grate shell (2), cavity square (34) are connected on maintenance stove board (4).

3. The traveling grate stoker capable of realizing partial gasification combustion of coal as claimed in claim 1, wherein: the slag stopper (12) comprises a hollow arc-shaped plate (121), an adjusting stud (122), a telescopic short block (123), a positioning screw (124) and an arc-shaped baffle plate (125), wherein the adjusting stud (122) is arranged on the inner side of the lower end of the hollow arc-shaped plate (121), the telescopic short block (123) is arranged in the middle of the inner part of the adjusting stud (122), the positioning screw (124) is arranged at the joint of the adjusting stud (122) and the telescopic short block (123), the arc-shaped baffle plate (125) is arranged at the front end of the telescopic short block (123), and the hollow arc-shaped plate (121) is connected to the grate shell (2).

4. The traveling grate stoker capable of realizing partial gasification combustion of coal as claimed in claim 1, wherein: the maintenance furnace plate (4) comprises a heat insulation baffle (41), an opening and closing handle (42) and a sleeving convex block (43), the lower end of the opening and closing handle (42) is provided with the heat insulation baffle (41), the sleeving convex block (43) is arranged in the middle of the lower end of the heat insulation baffle (41), and the heat insulation baffle (41) and the sleeving convex block (43) are connected onto the fire grate shell (2).

5. The traveling grate stoker capable of realizing partial gasification combustion of coal as claimed in claim 1, wherein: the metal coal hopper (6) is in a funnel shape, and the interior of the metal coal hopper (6) is in a hollow state.

6. The traveling grate stoker capable of realizing partial gasification combustion of coal as claimed in claim 1, wherein: the ash falling storage buckets (11) are four in number, and the ash falling storage buckets (11) are all fixed to the lower end of the inner side support (10) in parallel and at equal intervals.

7. The traveling grate stoker capable of realizing partial gasification combustion of coal as claimed in claim 1, wherein: the fire grate shell (2) is rectangular, and the interior of the fire grate shell (2) is hollow.

8. The traveling grate stoker capable of realizing partial gasification combustion of coal as claimed in claim 1, wherein: the grate shell (2) is movably and fixedly connected with the maintenance furnace plate (4) through a hinge, and the outer sides of the grate shell (2) and the maintenance furnace plate (4) are positioned on the same straight line.