CN2847052Y

CN2847052Y - Top and low layer burning constant pressure coal burning water heating boiler of single boiler tube longitudinal flue pipe

Info

Publication number: CN2847052Y
Application number: CNU2005200921262U
Authority: CN
Inventors: 高新福
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-08-11
Filing date: 2005-08-11
Publication date: 2006-12-13
Anticipated expiration: 2015-08-11

Abstract

The utility model relates to a top and low layer burning constant pressure briquette water heating boiler of a single boiler barrel longitudinally arranged type flue. The boiler is mainly composed of a boiler base, a hearth arranged on the boiler base, a boiler barrel arranged on the hearth, a fireworks pipe, a water-cooled wall pipe, a header pipe, an inclined upper arch, an inclined lower arch, a skid pipe of a water cooled grate and a coal feeding device, wherein four burning chambers of an upper layer and a lower layer are formed in the hearth, the middle positions of the burning chambers are provided with two rows of middle flue water-cooled walls which comprises into a middle flue with the front and the back walls of the hearth; each burning chamber on the upper and the lower layers is provided with a smoke window which is led to the middle flue; the front part of the middle flue is provided with a flue partition plate, the upper part of the tail of the middle flue is led to smoke folding chambers which are arranged on both sides of the side lower part of the boiler barrel and convection banks of the smoke folding chamber are arranged in the smoke folding chamber. The utility model causes the coal feed, the deslagging, the wind supply and the smoke exhaust of the burning chambers on the upper layer and the lower layer to be not influenced and has the advantages of good integral structural performance and stable burning and operation. The utility model not only has environmental protection and energy saving, but also can cause the briquette coal boiler to develop to a large scale.

Description

Flue levels burning normal pressure Honeycomb briquet hot-water boiler in single drum longitudinal

One, technical field: the utility model relates to a kind of heating equipment, particularly relates to a kind of normal pressure Honeycomb briquet hot-water boiler little, that efficient is high that pollutes.

Two, background technology: in recent years, the molded coal boiler that with the moulded coal is fuel was because desulfurization, solid dirt, curing combustion, and the discharging that has reduced the boiler atmosphere pollution is accepted by the user gradually and is welcome.But because traditional coal burning boiler unreasonable in the shortcoming on the structural configuration and design, the large tracts of land that has greatly influenced molded coal boiler is used and to the development of relatively largeization.At present, molded coal boiler drum pipe support structure is many based on the individual layer burning, because individual layer arranges that floor space is big, boiler thermal output is poor, and it is limited to exert oneself, and the user is difficult to accept.Though double-deck burning has indivedual practices, but, boiler structure is subjected to advancing coal, push away slag, limitting of combustion chamber, upper strata to the smoke evacuation position of wind and lower floor combustion chamber because arranging, structural design has certain degree of difficulty, than low capacity, as design levels structure on 1 ton the boiler, as adopt flue structure in other flue or the part, still can arrange reluctantly, but usually because lower floor's flue gas flow rate is very fast, the upper strata flue gas is caused the eddy current retardance, so that generally to burn in the combustion chamber, upper strata bad, undercapacity, the thermal efficiency descends; Or limit because of the levels structure, combustor exit smoke evacuation latus rectum is not enough, causes the levels structure deficiency of all burning, and causes the boiler decline of totally exerting oneself, and not only influences heating effect, and wastes energy, and has had a strong impact on promoting the use of of molded coal boiler.

Three, summary of the invention:

1, goal of the invention: the utility model provides flue levels burning normal pressure Honeycomb briquet hot-water boiler in a kind of single drum longitudinal, its purpose is to solve traditionally lower floor's boiler structure and arranges unreasonable, it is insufficient to burn, contaminated environment, boiler efficiency is low, the problem that aspects such as it is poor to exert oneself, and the burning of molded coal boiler upper strata is bad exist.

2, technical scheme: the utility model is achieved through the following technical solutions:

Flue levels burning normal pressure Honeycomb briquet hot-water boiler in a kind of single drum longitudinal is characterized in that: this boiler mainly by boiler foundation, be arranged on burner hearth on the boiler foundation, be arranged on drum on the burner hearth, pyrotechnics pipe, water screen tube, collecting box pipe, tiltedly arch, tiltedly arch, water-cooled grate sliding pipe and hydraulic pressure advance device for coal and constitute down; In burner hearth, form four combustion chambers of levels; The centre position of combustion chamber is provided with double middle flue water-cooling wall, and middle flue water-cooling wall contains into middle flue with the front-back wall of burner hearth; Each combustion chamber of levels has separately, and smokestack leads to middle flue; Middle flue front portion is provided with middle buffler; The folding smoke-box of drum side-lower bilateral is led in middle flue afterbody top; Be provided with the convection bank of folding smoke-box in the folding smoke-box.

In flue by drum with lead in the middle flue water screen tube of double wide distance of collecting box pipe the bottom and the bottom the forward and backward wall of collecting box pipe, burner hearth from drum and contain and form.

The place ahead of each combustion chamber of levels is provided with the smokestack that leads to middle flue that is made of short water screen tube of last smokestack and the short water screen tube of last smokestack by middle upper position.

The middle upside in middle flue the place ahead is provided with the middle buffler that surpasses double-deck smokestack longitudinal length position.

Drum below is provided with left and right sides bilateral folding smoke-box, is provided with vertical water pipe about top in the folding smoke-box, and the folding smoke-box convection bank of both sides is connected with vertical water pipe and drum about top respectively; Folding smoke-box sidewall is provided with the left and right sides water screen tube, and left and right sides water screen tube one termination is gone into drum, and the other end is connected with vertical water pipe about top.

Be provided with flue in the drum; Be provided with the pyrotechnics pipe in the drum.

Advantage of the present utility model is as follows:

1, solved molded coal boiler and on drum pipe support version, only can arrange that combustion chamber or the double-deck combustion chamber of arranging only can use on miniature boiler, and structure is poor, the restricted drawback of power bracket at individual layer.The overall structure performance is good, can make molded coal boiler suitably to relatively largeization development, makes the popularization of molded coal boiler large tracts of land, use become possibility;

2, environmental-protecting performance excellence, middle flue levels burning normal pressure Honeycomb briquet hot-water boiler, belong to the clean combustion system that solidifies at moulded coal, design has the middle flue structure of the shared large space of levels, flue dust is effectively precipitated, the original smoke dust discharge concentration of boiler is extremely low, so smoke medicining dust-removing effect is good, and the protection atmospheric environment;

3, increased the boiler output scope.Because middle flue levels combustion technology structurally has than quantum jump molded coal boiler, under the situation of grate firing chamber normal combustion under the assurance, improved the combustion heat intensity of boiler upper strata combustion chamber, and avoided the interference problem of levels flue gas, make up and down the grate firing chamber all can accomplish sufficient combustion, thoroughly.In addition, it is long-pending to have increased convection heating surface in the boiler structure design, and heat-transfer effect gets a promotion, and boiler output is improved;

4, raise the efficiency, save coal.All having set up in the front portion of last lower combustion chamber can be for the face arch of moulded coal preheating, make the following moulded coal of arch obtain abundant preheating, fugitive constituent and fuel gas preheating effectively burn after overflowing in the moulded coal, have reduced the gas heat loss due to incomplete combustion, improve boiler thermal output, saved the energy;

5, compact conformation, floor space is little.The levels structural configuration has thoroughly changed the wide and long short and stout structure in individual layer combustion chamber, makes the boiler structure layout more reasonable, has reduced the boiler floor space, and suitably to spatial development;

6, security of operation, easy and simple to handle.The normal pressure operation, safe and reliable, be provided with hydraulic pressure and advance device for coal, mechanical deslagging, the stoker is simple to operate, has reduced stoker personnel's intensity.

Four, description of drawings: accompanying drawing 1 be A-A of the present utility model to structural representation;

Accompanying drawing 2 is B-B cutaway views of Fig. 1.

Five, the specific embodiment:

Among the figure: 1, collecting box pipe in the bottom; 2, boiler foundation; 3, horizontal collecting box pipe before the bottom; 4, lower side collecting box pipe; 5, horizontal collecting box pipe in the front portion; 6, fire the chamber air outlet on; 7, upper and lower water-cooled grate sliding pipe; 8, the short water screen tube of following smokestack; 9, arch is indulged water pipe up and down; 10, vertical water pipe about top; 11, folding smoke-box convection bank; 12, left and right sides water screen tube; 13, outside furnace wall; 14, drum; 15, flue; 16, pyrotechnics pipe; 17, drum smoke-absorption mouth; 18, folding smoke-box; 19, go up the short water screen tube of smokestack; 20, middle buffler; 21, tiltedly arch; 22, middle flue water-cooling wall; 23, tiltedly encircle down; 24, medial side collecting box pipe; 25, fire the chamber air outlet down; 26, middle flue; 27, hydraulic pressure advances device for coal; 28, lower floor's face arch; 29, upper strata face arch; 30, shoot door before the drum; 31, outlet pipe; 32, atmospheric communicating pipe; 33, exhaust opening; 34, flue gas is adjusted plate; 35, water-cooled grate sway bracing pipe; 36, fire grate outlet; 37, return pipe; 38, slag-drip opening.

As shown in Figure 1, flue levels burning normal pressure Honeycomb briquet hot-water boiler in the utility model list drum longitudinal is mainly by drum 14, pyrotechnics pipe 16, left and right sides water screen tube 12, lower side collection case 4, medial side collecting box pipe 24, vertical water pipe 10 about top, horizontal collecting box pipe 3 before the bottom, horizontal collecting box pipe 5 in the front portion, levels water-cooled grate sliding pipe 7, water-cooled grate sway bracing pipe 35, the oblique arch 21 of vertical water pipe 9 compositions of arch up and down, tiltedly encircle 23 down, upper strata face arch 29, lower floor's face arch 28, middle flue 26, middle buffler 20, folding smoke-box 18, folding smoke-box convection bank 11, hydraulic pressure advances device for coal 27, boiler foundation 2, outside furnace wall 13 reaches grate firing chamber composition up and down.The centre position of four combustion chambers of levels in burner hearth is furnished with the middle flue water-cooling wall 22 of double wide distance, and with drum 14, bottom in collecting box pipe 1, front-back wall contain to become middle flue 26; High-temperature flue gas flue from smokestack imports separately of forming of grate firing chamber moulded coal burning up and down, separated with middle buffler 20, the levels flue gas through in after flue 26 postmedians converge, turn to folding smoke-box 18, wash away convection bank 11 of folding smoke-box and outer drum after drum smoke-absorption mouth 17 is discharged to afterbody by pyrotechnics pipe 16.The grate firing chamber was advanced coal, slagging-off, is independent of each other each one-tenth system for wind and smoke evacuation about this structural configuration made.Buffler 20 in setting up, the high-temperature flue gas that can make the levels combustion chamber interfere the front end position of retardance to be staggered mutually in eddy generation easily in inflow during flue 26, then after the postmedian of middle flue converges, and flue water-cooling wall 22 during the interflow is washed away backward.Because middle flue postmedian is by the middle flue water screen tube of the double wide distance that causes collecting box pipe 1 bottom from drum and through the external application fire clay, form with collecting box pipe, front-back wall containing in drum, the bottom, so belong to the large space smoke-box, flue gas flow rate is comparatively slow, the eddy current retardance and the interference of levels flue gas can not take place, and because cigarette speed is lower, help that flue dust further precipitates in the upper and lower layer flue gas, so technical solutions of the utility model on year-on-year basis other molded coal boiler smoke dust discharge concentrations also reduce to some extent.In addition, set up the short water screen tube of smokestack in the middle part of the combustion chamber relies on about levels, not only made furnace outlet side smokestack covering property good, but also can the heat of furnace outlet be absorbed effectively.Simultaneously, at the drum side-lower, set up the unified folding smoke-box 18 forward of left and right sides bilateral, and be furnished with the folding smoke-box convection bank 11 that from about the top vertical water pipe 10 causes drum 14 side-lower encrypted sections distances, boiler is increased at the convection heating surface of second backhaul, makes effective caloric receptivity of boiler strengthen.

The utility model course of work is as follows: hydraulic pressure advances device for coal 27 moulded coal is pushed the face arch 29 of combustion chamber, upper strata, face arch 28 belows of lower floor combustion chamber after by forward direction, volatilization composition behind the moulded coal preheating and drying and fuel gas are met fire and are taken fire, and last layer of air is walked around water-cooled grate sliding pipe 7 in three places of air compartment combustion chamber air outlet 6 to send into and fire the chamber by what arch top was down arranged; Following layer of air is then walked around water-cooled grate sliding pipe 7 by combustion chamber air outlet 25 under three places that give air compartment that arrange in the boiler foundation 2 and is sent into down the combustion chamber, and the water-cooled grate sliding pipe links to each other by the corresponding transverse tube with the front portion of the water-cooled grate sway bracing pipe 35 of afterbody up and down.Each arrange moulded coal constitute by the vertical water pipe 9 of arch up and down tiltedly down arch 23 and tiltedly below the arch 21 by after ignite forward, flue 26 during the short water screen tube 19 of the high temperature pyrotechnics that forms, flue gas smokestack on the upper strata is guided into the passage of short water screen tube 8 formations of the following smokestack of lower floor, middle flue 26 forms with drum 14, lower box collecting pipe 1, front-back wall containing by the middle flue water screen tube 22 of the double wide distance that causes collecting box pipe 1 bottom from drum 14 and through the external application fire clay.Set up middle buffler 20 at middle flue 26 front ends, the high-temperature flue gas that makes the levels combustion chamber is in inflow during flue, stagger mutually in front end position in eddy generation interference retardance easily, after the postmedian of middle flue converged, middle flue water-cooling wall 22 was washed away at the interflow backward then.In the bigger middle flue 26 in space, flue dust in the flue gas of upper and lower laminated stream back is through post precipitation, above middle flue afterbody, turn to the folding smoke-box 18 of both sides, flue gas after the shunting washes away the folding smoke-box convection bank 11 and drum 14 outsides of rolling over separately in the smoke-box forward, and folding smoke-box convection bank 11 has been encrypted between pipe pitch and introduced drums 14 side-lowers by vertical water pipe 10 about top.Flue gas is by both sides drum smoke-absorption mouth 17 interflow, and pyrotechnics pipe 16 is adjusted to afterbody exhaust opening 33 and through flue gas and discharged after plate 34 is regulated in washing away drum.And through preheating, burning, the moulded coal cinder that reaches the degree of burning pushes slag-drip opening 38 by hydraulic pressure coal inlet device 27 backward, and fire grate is then taken out by levels fire grate outlet 36 separately.This structural configuration makes upper and lower grate firing chamber advance coal, slagging-off, is independent of each other each one-tenth system for wind and smoke evacuation.And the water of boiler circulates by return pipe 37 through left and right sides lower side collecting box pipe 4, collecting box pipe 1 in the bottom, before the bottom horizontal collecting box pipe 3 to side wall 12 and in flue water-cooling wall 22 and lower floor's fire grate sliding pipe 7 distribute, through medial side collecting box pipe 24, vertical water pipe of following arch and upper strata water-cooled sliding pipe 7, horizontal collecting box pipe 5 in the front portion, the vertical water pipe of water-cooled grate sway bracing pipe 35 and arch, and through about top vertical water pipe 10, left and right sides water screen tube 12, come together in drum 14 after the folding smoke-box convection bank 11, be sent to hot user by boiler discharging tube 31, set up atmospheric communicating pipe 32 simultaneously, to guarantee the operation of boiler normal pressure, safe and reliable.

Claims

1, flue levels burning normal pressure Honeycomb briquet hot-water boiler in a kind of single drum longitudinal is characterized in that: this boiler mainly by boiler foundation (2), be arranged on burner hearth on the boiler foundation (2), be arranged on drum (14) on the burner hearth, pyrotechnics pipe (16), water screen tube, collecting box pipe, tiltedly arch (21), tiltedly arch (23), water-cooled grate sliding pipe (7) advance device for coal (27) with hydraulic pressure and constitute down; In burner hearth, form four combustion chambers of levels; The centre position of combustion chamber is provided with double middle flue water-cooling wall (22), and middle flue water-cooling wall (22) contains into middle flue (26) with the front-back wall of burner hearth; Each combustion chamber of levels has separately, and smokestack leads to middle flue (26); Middle flue (26) front portion is provided with middle buffler (20); The folding smoke-box (18) of drum (14) side-lower bilateral is led in middle flue (26) afterbody top; Be provided with folding smoke-box convection bank (11) in the folding smoke-box (18).

2, flue levels burning normal pressure Honeycomb briquet hot-water boiler in single drum longitudinal according to claim 1 is characterized in that: middle flue (26) forms by drum (14) with from the forward and backward wall containing that drum (14) leads to collecting box pipe (1), burner hearth in the middle flue water screen tube (22) of double wide distance of collecting box pipe the bottom (1) and the bottom.

3, flue levels burning normal pressure Honeycomb briquet hot-water boiler in single drum longitudinal according to claim 1, it is characterized in that: the place ahead of each combustion chamber of levels is provided with the smokestack that leads to middle flue (26) that is made of short water screen tube (19) of last smokestack and the short water screen tube of last smokestack (8) by middle upper position.

4, flue levels burning normal pressure Honeycomb briquet hot-water boiler in single drum longitudinal according to claim 1, it is characterized in that: the middle upside in middle flue (26) the place ahead is provided with the middle buffler (20) that surpasses double-deck smokestack longitudinal length position.

5, flue levels burning normal pressure Honeycomb briquet hot-water boiler in single drum longitudinal according to claim 1, it is characterized in that: drum (14) below is provided with left and right sides bilateral folding smoke-box (18), be provided with vertical water pipe (10) about top in folding smoke-box (18), both sides folding smoke-box convection banks (11) are connected with vertical water pipe (10) and drum (14) about top respectively; Folding smoke-box (18) sidewall is provided with left and right sides water screen tube (12), and left and right sides water screen tube (12) one terminations are gone into drum (14), and the other end is connected with vertical water pipe (10) about top.

6, flue levels burning normal pressure Honeycomb briquet hot-water boiler in single drum longitudinal according to claim 1 is characterized in that: be provided with flue (15) in the drum (14); Be provided with pyrotechnics pipe (16) in the drum (14).