CN202195585U - Self-heat-supply efficient low-consumption normal pressure brown-coal-gas conversion hot-water boiler - Google Patents

Abstract

A self-heat-supply efficient low-consumption normal pressure brown-coal-gas conversion hot-water boiler converts brown coal with low burning value to combustible gas through quantitative distributed air in a gas producer, and is an environment-friendly energy-saving hot-water boiler with burning gas as a heat source. The hot-water boiler mainly comprises an air distribution system, a gas producing chamber, a gas combusting chamber, a reburning chamber, an inner sleeve, a middle sleeve, an outer sleeve, an inside/outside smoke pipe, a boiler body communicating pipe and the like, and is characterized by achieving the coal gasification function and the gas combusting function on the same device. The combustible gas enters the combusting chamber through a gas uptake pipe and then is ignited by open fire under the quantitative distributed air, combusting flame burns for the first time and then enters the reburning chamber, and the flame burns conversely through refraction arch deflection, enters the outside smoke pipe evenly, enters the inside smoke pipe through an annular flue, and finally is exhausted from a smoke outlet through a smoke box. The boiler is composed of an upper water jacket and a lower water jacket, circulation water enters the lower water jacket through a water supply pipe and enters the upper water jacket through the communicating pipe, and water media are sent to users from a water outlet pipe after being heated. The self-heat-supply efficient low-consumption normal pressure brown-coal-gas conversion hot-water boiler can be used for large-scale scouring bath and heating.

Description

Self-heat-supply efficient low-consume normal pressure brown coal change the gas hot-water boiler

(1) technical field

The utility model relates to a kind of brown coal from the heat supply high-efficiency environment friendly changes the gas hot-water boiler; Particularly relating to the combination of low combustion value brown coal being accomplished coal gasification and two functions of gas fuel burning in same stove, is to be a kind of novel environment friendly hot-water boiler of raw material with the burning combustible gas.

(2) background technology

The energy situation of China is the rich brown coal of oil-poor weak breath, rich coal resources.But efficiency of energy utilization is lower, is merely 33%, is equivalent to the level of developed country before 20 years.Because the increase and the effective rate of utilization of coal total burn-off are low, cause severe cigarette type seriously polluted.Developing clean coal utilization technology is the effective way of the low charcoal economy of current social development.Efficient low-consume normal pressure brown coal change one of characteristics of gas hot-water boiler; Be converted into the brown coal of low combustion value the technical process of the energy and the product of more convenient form exactly; Also be the secondary conversion that realizes primary energy, not only improved the effective rate of utilization of coal, and realized low carbon ring guarantor.As domestic gas, just can obtain with direct gasification, have good economy and environmental benefit.Continuous appearance and people's improving constantly along with national energy-saving and emission-reduction relevant policies to environmental protection concept; People are also increasingly high to the functional requirement of environment-friendly products, and the innovation of reliable green technology will progressively be withdrawn from the market along with cleaning for traditional high energy consumption, high pollution product.

(3) summary of the invention

The technical problem that the utility model will solve is: the gasification and the gas fuel burning that will hang down combustion value brown coal are accomplished in same equipment, and coal gas is promptly to produce promptly to use.Combustion gas is carried out behind the twice combustion under the effect of burning chamber's fire contact plate through quantitative air distribution; Evenly get into and be distributed in the crooked outer smoke pipe of flue periphery; High-temperature flue gas arrives the boiler top and is turned back, and gets into annular flue again, treats that flue gas arrives boiler annular flue lower end and turned back once more and get into internal flue longitudinally; Then get into the flue gas box, after the smoke exhaust pipe discharge.This technology can increase heating surface area 35%, has improved heat exchange efficiency.

The technical scheme that adopts is:

The efficiently low row's brown coal of self-heat-supply change the gas hot-water boiler; Comprise: lower perforated plate, water jacket upper and lower bottom plate, gas generating chamber's urceolus, inner core, lower furnace, following UNICOM seat on shell end socket, atmosphere cross over pipe, feedwater base, middle cover, lining cover, overcoat, outer smoke pipe, internal flue, flue outlet, water jacket cross over pipe, shoot door, clean-out opening, water cross over pipe, lower water jacket, the water jacket; The backwater base; Blowdown base, gas up take, join hole, ignition furnace grate, secondary for three times and join hole, gas generating chamber; The generation chamber fire grate, is once joined compositions such as hole, gas generating chamber's firing door, ignition chamber's firing door, shoot door at skirt.

Body of heater is divided into independently goes up lower water jacket two parts, and promptly the contact-making surface between upper water sleeve and the lower water jacket is with the sealing of special-purpose fire-resistant encapsulant, and the top water jacket is welded by overcoat, middle cover, lining cover, outer smoke pipe, internal flue, last lower perforated plate.The inner bag bottom is provided with flame reflection arch and interior cover bottom with the steel plate welding, has the flue tube connector on the top of inner bag, and the top of its external sleeve end socket is provided with atmosphere cross over pipe and water outlet base, and the bottom is provided with clean-out opening and cross over pipe.

The bottom water jacket is welded with steel plate by bottom urceolus and bottom inner core, and the bottom of water jacket is provided with the stove skirt in the bottom, and the bottom of inner core is provided with fire grate; Be provided with wind distributing hole one time in the fire grate bottom, in skirt, be provided with gas generating chamber's vault in the cover, be provided with the secondary wind distributing hole in the middle of gas generating chamber's vault and the fire grate; Be provided with gas up take at the generation chamber periphery; Periphery is provided with the air distribution inlet three times, is provided with blowdown base and clean-out opening in the bottom of gas generating chamber's urceolus, is provided with firing door in the bottom of gas generating chamber; Middle part in generation chamber is provided with shoot door, and top is provided with ignition chamber's firing door.

The utility model self-heat-supply efficient low-consume brown coal commentaries on classics gas hot-water boiler is divided into three times and gives boiler wind speed adjustment: promptly an air distribution is evenly to supply with from gas generating chamber's skirt periphery wind distributing hole; The secondary air distribution is the combustion-assistant ignition air distribution; The air distribution of gas burner is air distribution for the third time.

Gas reforming and heating principle that the efficiently low row of self-heat-supply normal pressure brown coal change the gas hot-water boiler are: brown coal through quantitative air distribution once, promote that oxidation reaction takes place brown coal in combustion process in gas generating chamber; Generate carbon dioxide; Emit heat simultaneously, generate fuel gas such as carbonic oxide, oxygen, continue to keep successive reaction through an oxidation reaction liberated heat part; Another part heat is absorbed by the aqueous medium in gas generating chamber's water jacket, and recirculated water is heated up.The coal gas that gas generating chamber produces gets into the gas burner through gas up take, meets naked light and lights gas such as () fire.The flame that rises is turned back through the flame reflection arch, evenly gets into outer smoke pipe, after three backhauls, gets into cigarette case, and after the smoke discharging pipe discharge.

The water heating is divided into three parts: first absorbs coal gas oxidation reaction liberated heat at gas generating chamber's bottom water jacket; Second portion is the heat that absorbs gas-fired; Third part is the heat that absorbs high-temperature flue gas.

The boiler blow-down water system is two backhauls designs: promptly system's backwater is at first to gas generating chamber water jacket samdwich bottom, enters into the bottom of boiler through cross over pipe, pass through heat exchange zone after, be sent to the user from the water outlet base at boiler top.

It is brown coal that the utility model self-heat-supply efficient low-consume normal pressure brown coal change the required raw material of gas hot-water boiler, and one time coal can supply use in 3-4 hour.Have that heat capacity is strong, quick heating, environmental protection, floor space are little, it is laborsaving to economize labor, are applicable to heat supply heating such as the middle and primary schools that disperse heating, small towns office, industrial and mining enterprises, hotel, food and drink, bath center.Coal gas is promptly to produce i.e. usefulness, advantage such as safe and reliable.

(4) accompanying drawing

Fig. 1 is the front view of the utility model, and Fig. 2 is the left view of the utility model.

(5) specific embodiment

Self-heat-supply efficient low-consume normal pressure brown coal change the gas hot-water boiler, and the contrast accompanying drawing specifies: comprising: atmosphere cross over pipe (1), outlet pipe (2), hanger (3), end socket (4), cigarette case (5), exhanst gas outlet (6), internal flue (7), lining cover (8), middle cover (9), outer smoke pipe (10), overcoat (11), shoot door (12), clean-out opening (13), three air distribution outlets (14), the fire grate that ignites (15), gas up take (16), gas generator urceolus (17), gas generator inner core (18), feedwater base (19), skirt (20), clean-out opening (21), air distribution inlet (22), gas generating chamber's fire grate (23), gas generating chamber's vault (24), gas generating chamber's inner water sleeve (25), water jacket partition (26), secondary air distribution inlet (27), down cross over pipe seat (28), up and down cross over pipe (29), go up cross over pipe seat (30), burning chamber's water jacket lower plate (31), burning chamber's water jacket upper plate (32), water cross over pipe I (33), lower perforated plate (34), water cross over pipe II (35), upper perforated plate (36), gas generating chamber's fire door (37) combustion chamber shoot door (38), burning fire door (39).

Coal gas takes place to be respectively the fit tops of two independent groups with boiler and is divided into boiler, and the bottom is divided into gas generating chamber, and the contact-making surface of combination use the special-purpose fire-resistant material seal up and down, by about cross over pipe form.

Gas generator by outer sleeve (10) and inner core (17) and coal gasification chamber (40), combustion chamber (41), combustion gas tedge (16), gas generating chamber's vault (24), water jacket partition (26), skirt (20), etc. be welded with steel plate.Wherein be provided with the wind distributing hole in different apertures at the inboard periphery of skirt; Under quantitative air distribution situation; Coal generation oxidation reaction in the coal gasification indoor (40); The coal gas that produces gets into combustion chamber (41) through gas up take (16) and carries out primary combustion, and the fire grate that ignites in the combustion chamber (15) and three air distribution inlets (14) and refractory material combine.The bottom of the urceolus of gas generator (17) is provided with blowdown base (42) clean-out opening and is provided with generation chamber firing door (37) on vaporizer top, is provided with shoot door (38), is provided with the pilot chamber firing door on the fire grate that ignites (15) top with feedwater base (19); On skirt (20), be provided with a wind inlet (32) middle part and be provided with secondary wind inlet (27), top is provided with down (28) 2 of cross over pipe seats.Top boiler part is welded by overcoat (11), middle cover (9), lining cover (8), outer smoke pipe (10), internal flue (7), end socket (4), water jacket upper plate (32) and water jacket lower plate (31) etc.Really the bottom is provided with (30) 2 of cross over pipe seats to boiler jacket (11) and clean-out opening (13) is provided with shoot door (12) at the water jacket upper plate place of boiler, is provided with exhanst gas outlet (6) on the top of boiler and is provided with atmosphere cross over pipe (1) and water outlet base (2) and hanger compositions such as (3) at the boiler top.

Claims (1)

1. the efficiently low row's brown coal of self-heat-supply change the gas hot-water boiler; Comprise: lower perforated plate on shell end socket, atmosphere cross over pipe, feedwater base, middle cover, lining cover, overcoat, outer smoke pipe, internal flue, flue outlet, water jacket UNICOM road, shoot door, clean-out opening, water cross over pipe, lower water jacket, the water jacket, water jacket upper and lower bottom plate, gas generating chamber's urceolus, inner core, lower furnace, down UNICOM's seat, backwater base, blowdown base, gas up take, join hole, ignition furnace grate, secondary for three times and join hole, gas generating chamber, generation chamber fire grate, skirt, once join hole, gas generating chamber's firing door, ignition chamber's firing door, shoot door and form; Body of heater is divided into independently goes up lower water jacket two parts; Be that contact-making surface between upper water sleeve and the lower water jacket seals with the special-purpose fire-resistant encapsulant; The top water jacket by overcoat, middle cover, lining cover, outer smoke pipe, internal flue, go up lower perforated plate and be welded, the inner bag bottom is provided with a flame reflection arch and bottom interior cover, welds with steel plate, has the flue tube connector on the top of inner bag; The top of its external sleeve end socket is provided with atmosphere cross over pipe and water outlet base; The bottom is provided with clean-out opening and cross over pipe, and the bottom water jacket is welded with steel plate by bottom urceolus and bottom inner core, and the bottom of water jacket is provided with the stove skirt in the bottom; The bottom of inner core is provided with fire grate; Be provided with wind distributing hole one time in the fire grate bottom, in skirt, be provided with gas generating chamber's vault in the cover, be provided with the secondary wind distributing hole in the middle of gas generating chamber's vault and the fire grate; Establish gas up take at the generation chamber periphery; Periphery is provided with the air distribution inlet three times, is provided with blowdown base and clean-out opening in the bottom of gas generating chamber's urceolus, is provided with firing door in the bottom of gas generating chamber; Middle part in generation chamber is provided with shoot door, and top is provided with ignition chamber's firing door.

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