CN212057250U

CN212057250U - Feeding device of chain grate steam boiler

Info

Publication number: CN212057250U
Application number: CN202020583995.XU
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 feeding device of a chain grate steam boiler, which comprises a right side plate and a left side plate, wherein the right side plate is arranged on the parallel right side of the left side plate, a base is connected between the bottoms of the left side plate and the right side plate, a novel material tidying device is additionally arranged on the feeding device of the chain grate steam boiler, and the novel material tidying device is arranged at the upper ends of the left side plate and the right side plate at the rear side of a feeding hopper, the novel material tidying device can neatly arrange the two ends of coal materials discharged to a chain conveying belt in the feeding hopper and smooth the upper ends of the coal materials, thus the coal materials can be more uniformly distributed on the chain conveying belt and conveyed after being regulated by the material tidying device, and the coal materials conveyed to a combustion chamber in the chain grate can be more uniform step by step, thereby helping the coal material to be more fully combusted in the combustion chamber.

Description

Feeding device of chain grate steam boiler

Technical Field

The utility model belongs to the technical field of the chain grate boiler is relevant, concretely relates to chain grate boiler's feeder.

Background

The chain grate is a mechanized combustion equipment most applied in industrial boiler, but has a certain coal adaptation range, the combustion mode of the chain grate is moving fire bed combustion, the fuel ignition condition is 'limited ignition', the fuel enters the grate through a coal feeding hopper, along with the movement of the grate, the combustion process starts in the man-made furnace, the burnt coal slag is discharged to a slag well along with the movement of the grate, therefore, compared with a reciprocating furnace, a vibration furnace and a boiling furnace, the chain grate has higher requirements for the coal grade, the mechanical coal throwing furnace basically belongs to a layer combustion grate which is infinitely ignited, the adaptation range to the coal quality is relatively wider, the chain grate boiler is a horizontal three-return stroke water-fire tube mixed boiler, a bundle of threaded smoke tubes are arranged in a grate boiler barrel, light pipe water cooling walls are arranged on the left side and the right side of a hearth, the mechanical coal feeding is realized by adopting a light chain, and a blower is provided, The draught fan carries out mechanical ventilation and is provided with a scraper type slag extractor to realize automatic slag discharging.

The prior feeding device technology of the chain grate steam boiler has the following problems: when the feeding device of the existing chain grate steam boiler carries out feeding and feeding operations, coal materials are loaded into the feeding hopper, then the coal material in the feeding hopper falls to the upper end of the front side of the chain conveyer belt, then the chain conveyer belt conveys the coal material at the upper end of the front side backwards during working until the coal material is conveyed into the combustion chamber for combustion, when the coal materials in the feeding hopper fall onto the chain conveying belt, the coal materials falling onto the chain conveying belt have the situation that the bottoms of some coal materials are too much and some coal materials are too few, therefore, not only the coal materials are easy to fall out from the two sides of the conveying belt when the chain conveying belt conveys the coal materials, meanwhile, the coal materials are unevenly distributed after being conveyed into the combustion chamber of the conveying belt, so that the coal can not be sufficiently combusted easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chain grate steam boiler's feeder to when the coal material that proposes in solving above-mentioned background art inside the hopper falls on the chain conveyer belt, the coal material that drops on the chain conveyer belt can appear the too much certain local too few circumstances in some bottoms, so not only cause the chain conveyer belt coal material to drop away from the conveyer belt both sides when carrying the coal material easily, also can cause the coal material to be by its inhomogeneous problem that distributes behind the conveyer belt combustion chamber inside simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a feeding device of a chain grate steam boiler comprises a right side plate and a left side plate, wherein the right side plate is arranged on the parallel right side of the left side plate, a base is connected between the bottoms of the left side plate and the right side plate, six fixed shaft seats which are arranged at equal intervals are respectively embedded in the inner parts of the outer walls of the central transverse lines of the left side plate and the right side plate, a chain conveying belt is arranged between the left side plate and the right side plate on the upper side of the base, a feeding hopper is arranged at the upper ends of the foremost sides of the left side plate and the right side plate, a hopper cover plate is arranged at the upper end of the feeding hopper, a material tidying device is arranged at the upper ends of the left side plate and the right side plate on the rear side of the feeding hopper, mounting plates are arranged on the outer wall of the uppermost left end of the left side plate and the outer wall, the utility model discloses a hopper, including hopper, fixed stay, baffle, connecting plate front end, connecting plate and two neat oblique angle baffles are provided with two altogether the fixed stay sets up respectively on the upper end outer wall of the left side board and the right side board of hopper rear side, two be provided with between the fixed stay and smooth the baffle, smooth all through being connected pivot fixed connection between baffle top both ends and two fixed stay, smooth and be provided with the balancing weight, two on the baffle downside front end outer wall all be provided with the connecting plate, two on the fixed stay downside front end outer wall the connecting plate front end all is connected with the direction slant neat oblique angle baffle inwards.

Preferably, the inside embedded fixed axle bed in the outside wall of the foremost side of left side board and right side board is connected with the drive roll, the leftmost end of drive roll passes embedded fixed axle bed on the foremost side of left side board and sets up in left side board left side outside, the drive roll has cup jointed the transmission fifth wheel in the leftmost end circumference outside, the drive roll rear side is provided with the driven voller that five equidistance were arranged, the chain conveyer belt is connected in the outside of drive roll and five driven voller, five the both ends correspond respectively in the fixed axle bed of connecting on left side board and right side board about the driven voller, two drive sprocket have all been cup jointed on drive roll and five driven voller circumference outer walls between left side board and the right side board, drive roll and five driven voller all through drive sprocket and chain conveyer belt fixed connection.

Preferably, the feeding hopper and the hopper cover plate are fixedly connected through a rotating shaft, the hopper cover plate can rotate circumferentially on the feeding hopper through the rotating shaft, and the hopper cover plate can be completely closed at the upper end of the feeding hopper.

Preferably, the base is connected with the left side plate and the right side plate through welding and fixing, the length of the base is smaller than that of the left side plate and the right side plate, the front end of the base is flush with the front ends of the left side plate and the right side plate, and the left side plate and the right side plate are perpendicular to the base.

Preferably, the smoothing baffle can do the circumferential rotation between two fixed pillars through connecting the pivot, both ends outer wall all do not laminate with two fixed pillar inner walls about the smoothing baffle, smooth baffle bottom all not contact with two neat oblique angle baffle inner walls when smoothing baffle circumferential rotation.

Preferably, the outer wall of the front end of the feeding hopper is an inclined wall inclined backwards, an included angle between the outer wall of the front end of the feeding hopper and the horizontal plane is a sixty-degree angle, and the bottom opening of the feeding hopper is arranged on the right upper side of the foremost end of the chain conveyor belt.

Compared with the prior art, the utility model provides a chain grate steam boiler's feeder possesses following beneficial effect:

1. the novel material tidying device is additionally arranged on the feeding device of the chain grate steam boiler, and the novel material tidying device is arranged at the upper ends of the left side plate and the right side plate at the rear side of the feeding hopper, the novel material tidying device can neatly arrange the two ends of coal materials discharged to the chain conveyor belt in the feeding hopper and smooth the upper ends of the coal materials, so that the coal materials can be more uniformly distributed on the chain conveyor belt and conveyed after being regulated by the material tidying device, the coal materials conveyed to the combustion chamber in the chain grate can be more uniformly distributed step by step, the coal materials can be more fully combusted in the combustion chamber, and the material tidying device can also prevent the coal materials from falling out from two sides when the coal materials are conveyed due to excessive accumulation at local positions on the chain conveyor belt, the stable and normal conveying and feeding of coal materials are ensured;

2. the utility model discloses a concrete application mode of material neatening device is as follows, firstly two fixed pillars on the material neatening device are respectively and symmetrically installed on the upper ends of the left side plate and the right side plate at the rear side of the feeding hopper, and a flattening baffle is connected between the two fixed pillars through a connecting rotating shaft, and a connecting plate with a trim bevel baffle at the rear end is added at the front end of the lowest side of the two fixed pillars, thus when the coal material in the feeding hopper drops to the upper end of the front side of the chain conveyer belt through the bottom opening, the chain conveyer belt in work can slowly convey the coal material at the upper end of the front side backwards, when the coal material on the chain conveyer belt passes through the flattening baffle, the coal material can be blocked by the flattening baffle, and because the flattening baffle is fixedly connected with the two fixed pillars through the connecting rotating shaft, and the outer wall of the rear end at the lowest side of the flattening baffle is also connected with a balancing weight, therefore, after the leveling baffle blocks the coal materials on the chain conveying belt, the conveyed coal materials can be flushed away from the blocking of the leveling baffle to enable the bottom of the leveling baffle to rotate backwards, the weight block can increase the weight of the bottom of the leveling baffle at the moment to enable the bottom of the leveling baffle to be pressed downwards, so that the coal materials passing through the leveling baffle can be uniformly distributed on the chain conveying belt, then the coal materials can pass through the trim bevel angle baffles connected with the rear ends of the two connecting plates, because the rear ends of the two trim bevel angle baffles are inwards inclined, the two trim bevel angle baffles can slightly fold the coal materials distributed at the left end and the right end of the chain conveying belt towards the middle part, thereby preventing the coal materials from leaking out from the left end and the right end of the chain conveying belt in the conveying process, and enabling the coal materials in the combustion chamber of the conveying belt to be more uniform step by step, thereby can help coal material can more abundant burning in the combustion chamber.

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 side view of a feeding device of a chain grate steam boiler according to the present invention;

FIG. 2 is a schematic plan view of a transmission mechanism of a feeding device of a chain grate steam boiler according to the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the material tidying device provided by the utility model;

in the figure: 1. a right side plate; 2. a base; 3. a left side plate; 4. a chain conveyor belt; 5. mounting a plate; 6. Fixing the shaft seat; 7. a material tidying device; 8. a feeding hopper; 9. a hopper cover plate; 10. a driven roller; 11. A drive sprocket; 12. a transmission connecting wheel; 13. a drive roll; 14. a regular bevel angle baffle; 15. a connecting plate; 16. fixing a strut; 17. a balancing weight; 18. connecting the rotating shaft; 19. and (4) smoothing the baffle.

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: a feeding device of a chain grate steam boiler comprises a right side plate 1 and a left side plate 3, wherein the right side plate 1 is installed on the parallel right side of the left side plate 3, a base 2 is connected between the bottoms of the left side plate 3 and the right side plate 1, the base 2 is fixedly connected with the left side plate 3 and the right side plate 1 through welding, the length of the base 2 is smaller than that of the left side plate 3 and the right side plate 1, the front end of the base 2 is flush with the front ends of the left side plate 3 and the right side plate 1, the left side plate 3 and the right side plate 1 are vertical to the base 2, when the front end of the base 2 is flush with the outer walls of the front ends of the left side plate 3 and the right side plate 1, the base 2, the left side plate 3 and the rear end of the right side plate 1 form an opening, coal materials can fall into a combustion chamber through the opening to be combusted after being conveyed to the rear side of a chain conveyor belt 4, six fixing shafts 6 which are arranged at equal intervals are evenly, a chain conveyer belt 4 is arranged between a left side plate 3 and a right side plate 1 on the upper side of a base 2, a feeding hopper 8 is arranged at the upper end of the foremost side of the left side plate 3 and the right side plate 1, the outer wall of the front end of the feeding hopper 8 is a tilting inclined wall which tilts backwards, the included angle between the outer wall of the front end of the feeding hopper 8 and the horizontal plane is sixty degrees, the bottom opening of the feeding hopper 8 is arranged right above the foremost end of the chain conveyer belt 4, because the rear ends of two orderly oblique angle baffles 14 are both tilted inwards, the two orderly oblique angle baffles 14 can slightly fold coal materials distributed at the left and right ends of the chain conveyer belt 4 to prevent the coal materials from leaking out from the left and right ends of the chain conveyer belt 4 in the conveying process, a hopper cover plate 9 is arranged at the upper end of the feeding hopper 8, the feeding hopper 8 and the hopper cover plate 9 are fixedly connected through a rotating shaft, the hopper cover plate 9 can be completely closed at the upper end of the feeding hopper 8, so that the hopper cover plate 9 can effectively isolate heat transmitted from a combustion chamber when being closed, thereby avoiding energy waste, the upper ends of a left side plate 3 and a right side plate 1 at the rear side of the feeding hopper 8 are provided with a material tidying device 7, mounting plates 5 are respectively arranged on the outer wall of the uppermost left end of the left side plate 3 and the outer wall of the uppermost right end of the right side plate 1, a driving roller 13 is connected in a fixed shaft seat 6 embedded in the inner part of the outer wall of the foremost side of the left side plate 3 and the outer wall of the uppermost right end of the right side plate 1, the leftmost end of the driving roller 13 passes through the fixed shaft seat 6 embedded in the foremost side of the left side plate 3 and is arranged at the left side of the left side plate 3, a transmission connecting wheel 12 is sleeved outside the circumference of the leftmost end of the driving roller 13, five driven rollers 10 arranged, both ends correspond respectively about five driven voller 10 and connect in the fixed axle bed 6 on left side board 3 and right side board 1, drive roll 13 between left side board 3 and the right side board 1 and five driven voller 10 circumference outer walls on all cup jointed two drive sprocket 11, drive roll 13 and five driven voller 10 are all through drive sprocket 11 and chain conveyer belt 4 fixed connection, drive roll 13 rotates through drive chain when external transmission equipment, drive roll 13 then can drive chain conveyer belt 4 through drive sprocket 11 and rotate between left side board 3 and right side board 1 this moment, and can cooperate each other with five driven voller 10 when drive roll 13 carries out the transmission, thereby can enough install chain conveyer belt 4 fixed can be stable again and carry out the transmission to chain conveyer belt 4.

A feeding device of a chain grate steam boiler comprises a material tidying device 7, which comprises tidying bevel angle baffles 14, connecting plates 15, fixed pillars 16, balancing weights 17, a connecting rotating shaft 18 and a smoothing baffle 19, wherein the number of the fixed pillars 16 is two, the two fixed pillars 16 are respectively arranged on the outer walls of the upper ends of a left side plate 3 and a right side plate 1 at the rear side of a feeding hopper 8, the smoothing baffle 19 is arranged between the two fixed pillars 16, the two ends of the uppermost side of the smoothing baffle 19 are fixedly connected with the two fixed pillars 16 through the connecting rotating shaft 18, the balancing weights 17 are arranged on the outer wall of the front end at the lowest side of the smoothing baffle 19, the connecting plates 15 are respectively arranged on the outer walls of the front ends at the lowest sides of the two fixed pillars 16, the front ends of the two connecting plates 15 are respectively connected with the tidying bevel angle baffles 14 with the directions inclined, the leveling baffle plate 19 can rotate circularly between the two fixed supporting columns 16 through the connecting rotating shaft 18, the outer walls of the left end and the right end of the leveling baffle plate 19 are not attached to the inner walls of the two fixed supporting columns 16, the bottom of the leveling baffle plate 19 is not contacted with the inner walls of the two oblique angle trimming baffle plates 14 when the leveling baffle plate 19 rotates circularly, when the coal material in the feeding hopper 8 falls to the upper end of the front side of the chain conveying belt 4 through the bottom opening, the chain conveying belt 4 in work can convey the coal material at the upper end of the front side slowly backwards, when the coal material on the chain conveying belt 4 passes through the leveling baffle plate 19, the leveling baffle plate 19 is blocked by the leveling baffle plate 19, and because the leveling baffle plate 19 is fixedly connected with the two fixed supporting columns 16 through the connecting rotating shaft 18, and the outer wall of the rear end at the lowest side of the leveling baffle plate 19 is also connected with the balancing weight 17, the leveling baffle plate 19, the coal material being conveyed can break the block of the leveling baffle plate 19 to enable the bottom of the leveling baffle plate 19 to rotate backwards, the weight of the bottom of the leveling baffle plate 19 can be increased by the balancing weight 17 at the moment, the bottom of the leveling baffle plate 19 is pressed downwards, the coal material passing through the leveling baffle plate 19 can be uniformly distributed on the chain conveyer belt 4, then the coal material can pass through the tidy bevel angle baffle plates 14 connected with the rear ends of the two connecting plates 15, because the rear ends of the two tidy bevel angle baffle plates 14 are both inclined inwards, the two tidy bevel angle baffle plates 14 can slightly gather the coal material distributed at the left end and the right end of the chain conveyer belt 4 to the middle, the coal material is prevented from leaking out from the left end and the right end of the chain conveyer belt 4 in the conveying process, and the coal material in the conveyer belt combustion chamber can be more uniform step by step, thereby can help coal material can more abundant burning in the combustion chamber.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the feeding device of the chain grate steam boiler is used, firstly, the feeding device of the whole chain grate steam boiler is installed and fixed on the special installation position inside the grate through the installation plate 5 on the left side plate 3 and the right side plate 1 and the installation hole on the installation plate 5, at the moment, the feeding hopper 8 at the upper end of the front side of the left side plate 3 and the right side plate 1 can be leaked outside the grate, then the transmission connecting wheel 12 at the left end of the driving roller 13 is connected with the external transmission equipment through the transmission chain, then the driving roller 13 is driven to rotate through the transmission chain through the external transmission equipment, the driving roller 13 can drive the chain conveying belt 4 to rotate between the left side plate 3 and the right side plate 1 through the transmission chain wheel 11 when rotating, and can be cooperated with the five driven rollers 10 when the driving roller 13 is driven, thereby can enough install fixed can be stable again to chain conveyor 4 and carry out the transmission to chain conveyor 4, at the during operation, at first need open the hopper apron 9 of hopper 8 upper end, then pack into coal material inside hopper 8, and coal material then can drop in chain conveyor 4 front side upper end through 8 bottom openings of hopper, then chain conveyor 4 in the work then can carry coal material backward, until carrying coal material inside the combustion chamber burn can.

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 chain grate steam boiler's feeder, includes right side board (1) and left side board (3), its characterized in that: the utility model discloses a material arranging machine, including right side board (1), be connected with base (2) between left side board (3) and right side board (1) bottom, the outer wall is divided equally to divide equally and respectively to have embedded fixed axle bed (6) that have six equidistance to arrange on left side board (3) and right side board (1) central horizontal line upper outer wall inside, be provided with chain conveyor belt (4) between left side board (3) and right side board (1) of base (2) upside, left side board (3) and right side board (1) foremost upper end are provided with hopper (8), hopper (8) upper end is provided with hopper apron (9), left side board (3) and right side board (1) upper end of hopper (8) rear side are provided with material neatly device (7), all be provided with mounting panel (5) on left side board (3) the top left end outer wall and right side board (1) the top right-hand member outer wall, the material tidying device (7) comprises tidying oblique angle baffles (14), connecting plates (15), two fixing supports (16), balancing weights (17), connecting rotating shafts (18) and flattening baffles (19), wherein the two fixing supports (16) are arranged, the two fixing supports (16) are respectively arranged on the outer walls of the upper ends of a left side plate (3) and a right side plate (1) at the rear side of a feeding hopper (8), the flattening baffle (19) is arranged between the two fixing supports (16), the two ends of the uppermost side of the flattening baffle (19) are fixedly connected with the two fixing supports (16) through the connecting rotating shafts (18), the balancing weights (17) are arranged on the outer wall of the front end at the lowermost side of the flattening baffle (19), the connecting plates (15) are arranged on the outer wall of the front end at the lowermost side of the two fixing supports (16), the front ends of the two connecting plates (15) are connected with the tidying oblique angle baffles (14), the two connecting plates (15) are fixedly connected with the two trim bevel angle baffles (14) through welding.

2. The apparatus as claimed in claim 1, wherein the means for feeding the steam boiler comprises: the transmission mechanism is characterized in that a driving roller (13) is connected in a fixed shaft seat (6) embedded in the front outer wall of the left side plate (3) and the right side plate (1), the leftmost end of the driving roller (13) penetrates through the fixed shaft seat (6) embedded in the front outer wall of the left side plate (3) and is arranged outside the left side of the left side plate (3), a transmission connecting wheel (12) is sleeved outside the circumference of the leftmost end of the driving roller (13), five driven rollers (10) arranged at equal intervals are arranged on the rear side of the driving roller (13), a chain conveying belt (4) is connected outside the driving roller (13) and the five driven rollers (10), the left end and the right end of the five driven rollers (10) are correspondingly connected in the fixed shaft seats (6) on the left side plate (3) and the right side plate (1) respectively, two transmission chain wheels (11) are sleeved on the circumferential outer walls of the driving roller (13) and the five driven rollers (10) between the left side plate (3) and the, the driving roller (13) and the five driven rollers (10) are fixedly connected with the chain conveying belt (4) through a transmission chain wheel (11).

3. The apparatus as claimed in claim 1, wherein the means for feeding the steam boiler comprises: hopper (8) and hopper apron (9) are through pivot fixed connection, hopper apron (9) can be in circumferential motion on hopper (8) through the pivot, hopper apron (9) can be complete the closure in the upper end of hopper (8).

4. The apparatus as claimed in claim 1, wherein the means for feeding the steam boiler comprises: base (2) all are connected through welded fastening with left side board (3) and right side board (1), the length of base (2) is less than the length of left side board (3) and right side board (1), the front end parallel and level of the front end of base (2) and left side board (3) and right side board (1), left side board (3) and right side board (1) all are the vertical state with base (2).

5. The apparatus as claimed in claim 1, wherein the means for feeding the steam boiler comprises: the flattening baffle (19) can do circular rotation between two fixed pillars (16) through connecting pivot (18), the outer wall of both ends all is not laminated with two fixed pillars (16) inner walls about flattening baffle (19), flattening baffle (19) bottom all is not with two neat oblique angle baffle (14) inner wall contacts when flattening baffle (19) circular rotation.

6. The apparatus as claimed in claim 1, wherein the means for feeding the steam boiler comprises: hopper (8) front end outer wall is the tilting skew wall that slopes backward, the contained angle between hopper (8) front end outer wall and the horizontal plane is sixty degrees angles, the bottom opening setting of hopper (8) is in chain conveyor belt (4) just upside at the foremost.