CN2594712Y

CN2594712Y - Vertical coal boiler and fire gate

Info

Publication number: CN2594712Y
Application number: CN 02292199
Authority: CN
Inventors: 郭玉印
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-30
Filing date: 2002-12-30
Publication date: 2003-12-24
Anticipated expiration: 2012-12-30

Abstract

The utility model relates to a vertical briquette boiler and a fire gate, which is that the different heights of both sides of the lower part of an inner liner are respectively provided with a wind deflector communicated with a boiler body with a water jacket, and the wind deflectors are extended inward in radial direction to form a bundle of narrowing fire through holes. The lower part of the boiler body with the water jacket is provided with a lengthening hearth, wherein, the end wall of which is provided with two slagging doors which can be opened and closed, and a briquette propulsion device is arranged on an extended platform of the lengthening hearth. The fire grate is a long block body with closed periphery, and a transverse rib is arranged in length direction in the long block body. The vertical briquette boiler is used, briquette can be sufficiently combusted, discharging amounts of harmful gas and smoke dust are lowered, thermal efficiency is high, heating is fast, and slag can be discharged when the briquette is fed.

Description

A kind of vertical molded coal boiler and fire grate

Technical field: the utility model relates to a kind of boiler and fire grate, particularly a kind of vertical molded coal boiler and fire grate thereof.

Background technology: at present, boiler of a great variety, as vertical boiler, horizontal boiler, coal-burning boiler, gas fired-boiler, oil burning boiler etc.The burning form of coal-burning boiler has and adopts double-layer grate formations of oppositely burning, and have and adopt the burning of individual layer fire grate naked light to form, but adopt following formula feeder automatically coal feeding in addition, automatic combustion formation or the like.Adopt oppositely the burn fire coal of form of double-layer grate, from begin drying, destructive distillation after upper grate is lighted, separate out, volatilizing enters the combustion chamber under a wind effect, miss the imperfect combustion broken coal of lower floor's fire grate, under the secondary wind action, burn away, but this class boiler can only use diffusing coal, broken coal, lump coal.In addition, the present vertical molded coal boiler that uses, its structure substantially all is the burner hearth that stove tube and inner bag form straight barrel type, lower furnace portion is the combustion chamber, inner bag and top, combustion chamber uniform the transverse tube that communicates with body of heater, the bottom, combustion chamber is a fixed grate, this straight tubular burner hearth, and the moulded coal burning is insufficient, the pyrotechnics of burning is directly to upper punch, not only the thermal efficiency is low, and gives off a large amount of pernicious gases and flue dust, contaminated environment.And moulded coal belongs to clean coal fuel, add binding agent, sulphur-fixing agent in the production process, can reduce the discharge capacity of flue dust and sulfur dioxide effectively, and have flameholding, longer duration, advantage such as economize on coal, above-mentioned vertical molded coal boiler can not be given full play to the advantage of moulded coal burning.

Summary of the invention: the purpose of this utility model is to provide a kind of and makes moulded coal can form eddy current when burning to cause it can preheating before burning and can clean-burning vertical molded coal boiler and be specifically designed to the fire grate that coal and deslagging can be carried out simultaneously on this boiler.

A kind of vertical molded coal boiler that the utility model proposed, comprise the water jacket furnace that furnace shell and inner bag constitute, the uniform transverse tube that communicates with water jacket furnace that is being provided with on inner bag top, on the differing heights of both sides, inner bag bottom, the deep bead that connects with water jacket furnace is being set respectively, this deep bead extends radially inwardly and forms a branch of fire port that narrows down, but the water jacket furnace bottom is provided with the lengthening of two folding cleanout doors burner hearth is arranged on its end wall, the extended platform of lengthening burner hearth is provided with the moulded coal propulsion plant.

Its cross sectional shape of described deep bead is similar to triangle, semicircle or parabola shaped or hyperbola, and its inside is provided with 1-3 ribs.The lower end length direction of lengthening cuboid burner hearth is provided with the track that fire grate moves, and the platform that the upper surface of track and lengthening cuboid burner hearth extend outward is on a horizontal plane.

Described moulded coal propulsion plant, have a housing and installation gear within it, the fixed axis of Support Gear is arranged on the housing, and this gear and the double tooth bar that pushes away handle of doing mesh, the outer end of tooth bar is provided with movable fire door, and the handle that control gear rotates is arranged on the end of fixed axis.

A kind of fire grate that is used for the vertical molded coal boiler that the utility model proposes, rectangular framework with border seal, length direction is provided with a cross rib in it, is provided with the vertical rib of 3-5 bar with this rib vertical direction, makes and has formed 8-12 small rectangle space in the rectangular framework.

The utility model is because two deep beads that are provided with on the differing heights of inner bag bottom, formed domatic fire port, the following refraction that makes the moulded coal burned flame run into deep bead forms eddy current, thereby makes the moulded coal can more abundant burning, greatly reduces the discharge capacity of pernicious gas and flue dust; Owing to restraint the effect of fire port the moulded coal burned flame is put forth one's strength to the coal direction again, thereby played heating and lighted the effect that newly adds moulded coal; In addition, because this vertical molded coal boiler has adopted a plurality of mobile grates, each coal all is to be placed on the platform at placement of multiple layers moulded coal on the fire grate, advances the lengthening burner hearth with the moulded coal propulsion plant then, again the moulded coal of after-flame is released simultaneously in this, promptly coal carries out simultaneously with slagging tap.

Description of drawings: accompanying drawing 1 is an overall structure partial schematic sectional view of the present utility model, and accompanying drawing 2 is the horizontal junction compositions that are used for the utility model fire grate.

Accompanying drawing 1 has provided the overall structure of an embodiment of the utility model, and accompanying drawing 2 has provided a kind of fire grate structure of the present utility model.

The specific embodiment: the utility model is made up of water jacket furnace 1, deep bead 2, fire port 3, lengthening burner hearth 4, moulded coal propulsion plant 5 and fire grate 6.

This vertical molded coal boiler and fire grate, has the water jacket furnace 1 that furnace shell 11 and inner bag 12 constitute, uniform the transverse tube 13 that communicates with water jacket furnace 1 on inner bag 12 tops, inner bag 12 is connected with soaring straight tube 14 with furnace shell 11 central upper portion positions, on the different height in both sides, inner bag 12 bottom, be respectively arranged with identical shaped and with water jacket furnace 1 deep bead 2 that connects, the centre of two deep beads 2 has formed a domatic fire port 3, the cross sectional shape of every deep bead 2 can be subtriangular semicircle or parabola shaped or hyperbola, and the inside of deep bead 2 is provided with 1-3 ribs 21, makes deep bead 2 firmer.

Be provided with the lengthening burner hearth 4 that communicates with water jacket furnace 1 in the bottom of water jacket furnace 1, lengthening burner hearth 4 is cuboid or approximate cuboid.But the one end wall is provided with the cleanout door 41 of two foldings, its lower end length direction is provided with and is used for the track 42 that fire grate 6 moves, the last plane of this track 42 and lengthening burner hearth 4 extended platforms 43 are on a horizontal plane, platform 43 is provided with two moulded coal propulsion plants 5, moulded coal propulsion plant 5 has a housing 51 and a gear 53 that is installed on the interior fixed axis 52 of housing, this gear 53 meshes with the tooth bar 54 that double as pushes away handle, the outer end of nibbling bar 54 is equipped with movable fire door 55, be provided with the handle 56 that gear 53 is rotated in the end of fixed axis 52, fire grate 6 is the rectangular framework of border seal, be provided with a cross rib 61 on the length direction in it, with be provided with the vertical rib 62 of 3-5 bar on this rib vertical direction, make and formed 8-12 small rectangle space 63 in the rectangular framework, this rectangle space is less than moulded coal size and convenient the ventilation.

When using this vertical molded coal boiler and fire grate, at first the fire grate 6 that moulded coal is housed is placed on the platform, before placing fire door 55, shake handle 56 then, gear 53 promotes tooth bar 54 and moves to the burner hearth direction, fire grate 6 and moulded coal are advanced in the lengthening burner hearth 4 simultaneously, wait to extend and light after filling moulded coal in the burner hearth 4, moulded coal after the burning is because the lower plane of deep bead 2 makes burned flame form eddy current, because the effect of bundle fire port makes flame put forth one's strength towards the coal direction, lengthening burner hearth 4 is interior from the coal direction again, form the moulded coal preheating zone successively, light the district, moulded coal combustion high temperature district, the slag district, in the process of boiler work, the slag in the burner hearth has promptly been removed after the scheduled time in every interval when adding new moulded coal, this process constantly circulates, and boiler is just constantly worked continuously.

Claims

1, a kind of vertical molded coal boiler, comprise the water jacket furnace that constitutes by between furnace shell and the inner bag, the uniform transverse tube that communicates with water jacket furnace that is being provided with on inner bag top, it is characterized in that: on the differing heights of the both sides of inner bag bottom, be respectively arranged with the deep bead that connects with water jacket furnace, this deep bead extends radially inwardly and forms a branch of fire port that narrows down, but the water jacket furnace bottom is provided with the lengthening of two folding cleanout doors burner hearth is arranged on its end wall, the extended platform of lengthening burner hearth is provided with the moulded coal propulsion plant.

2, vertical molded coal boiler according to claim 1 is characterized in that: its cross sectional shape of described deep bead is similar to triangle, semicircle or parabola shaped or hyperbola, and its inside is provided with 1-3 ribs.

3, vertical molded coal boiler according to claim 1, it is characterized in that: the lower end length direction of described lengthening cuboid burner hearth is provided with the track that fire grate moves, and the platform that the upper surface of track and lengthening cuboid burner hearth extend outward is on a horizontal plane.

4, vertical molded coal boiler according to claim 1, it is characterized in that: described moulded coal propulsion plant, have a housing and installation gear within it, the fixed axis of Support Gear is arranged on the housing, this gear and the double tooth bar that pushes away handle of doing mesh, the outer end of tooth bar is provided with movable fire door, and the handle that control gear rotates is arranged on the end of fixed axis.

5, a kind of fire grate that is specifically designed to the described vertical molded coal boiler of claim 1, it is characterized in that: the rectangular framework of border seal, length direction is provided with a cross rib in it, is provided with the vertical rib of 3-5 bar with this rib vertical direction, makes and has formed 8-12 small rectangle space in the rectangular framework.