CN2124427U

CN2124427U - Horizontal atmospheric hot-water boiler

Info

Publication number: CN2124427U
Application number: CN 92223047
Authority: CN
Inventors: 潘荫堂; 郭复炎; 田少华
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-05-25
Filing date: 1992-05-25
Publication date: 1992-12-09

Abstract

The utility model relates to a horizontal atmospheric water heating boiler for heating and supplying hot water. A furnace liner and a smoke box are longitudinally arranged in a boiler shell in parallel, the rear part of a hearth in the furnace liner is provided with a smoke window communicated with the smoke box which forms a U-shaped flue and is distributed with L-shaped convection water pipes, and the smoke box and the upper part and the circumference of the hearth are all contacted with water. Compared with a horizontal external-combustion water-fire pipe quick-assembling boiler with the same heat quantity, the utility model has the advantages of compact structure, few steel materials, simple manufacturing process, safety, reliability and high heat transferring coefficient, the design heat efficiency reaches 74 percent.

Description

Horizontal atmospheric hot-water boiler

The utility model belongs to horizontal normal-pressure hot-water boiler.

Existing horizontal normal-pressure hot-water boiler is horizontal external combustion extreme misery pipe packaged boiler, its smoke box is arranged on the front and back of body of heater, the thermal efficiency is low, heat-transfer effect is poor, because it adopts fire tube to conduct heat, heat transfer coefficient is low, steel quantity consumption is big, volume is big, complex structure, tube sheet easy burn-out, complex manufacturing.

The purpose of this utility model provides the horizontal normal-pressure hot-water boiler that a kind of technology is simple, safe and reliable, heat transfer coefficient is higher, and its design thermal efficiency reaches more than 74%.

The purpose of this utility model is to realize like this, it comprises horizontally-arranged shell, flue, smoke box, level course burner row, base, return pipe, outlet pipe, be distributed with the L shaped of vertical installation in the smoke box to overflow pipe, every to the top and bottom of overflow pipe respectively with the top and the side UNICOM of smoke box; Burner hearth and preceding chimney arch and back chimney arch are arranged in the shell; The base top of level course burner ranking under shell, be distributed with some air compartments under the level course burner row, air compartment communicates with air channel in the base through air door, it is characterized in that: flue and smoke box vertically are set up in parallel in shell, the two side of shell respectively constitutes a water leg with a sidewall of smoke box and a sidewall of flue respectively, and a sidewall of sidewall of flue and adjacent smoke box constitutes a water leg; The antetheca of shell and smoke box antetheca and flue antetheca constitute water leg, and shell rear wall and smoke box rear wall and flue rear wall constitute water leg; Rear side has a smokestack burner hearth and smoke box UNICOM in the burner hearth, and the vertically upright dividing plate of installing in smoke box is being divided into the U-shaped flue in the smoke box; The air channel is arranged on the smoke box bottom.

During burning, wind enters air compartment by the air channel, then by level course burner row go up the coal seam of burning combustion-supporting with coal combustion after product form pyrotechnics, carry out heat exchange with upper furnace and water all around, enter smoke box by the smokestack behind the burner hearth, further carry out heat exchange, flue-gas temperature is reduced, flow velocity slows down, flue dust is deposited in smoke box and changed by dividing plate and to flow to by wall and water to overflow pipe and smoke box top and smoke box, discharged by exhaust opening, shell has heat-insulation layer to prevent heat radiation outward.

Because the utility model takes said structure, in horizontally-arranged shell, be set up in parallel smoke box with in establish burner hearth flue on the top of smoke box and flue and front and back, both sides wall all contact with water, heating surface area is big, has increased the convection current and the heat transfer effect of water; There is dividing plate to form the U-shaped flue in the smoke box and prolonged the viscous flow time of flue gas in smoke box, increase coefficient of convective heat transfer and smoke medicining dust-removing effect; Adopt overflow pipe in the smoke box, the flue gas transversal flow is compared with the horizontal external combustion extreme misery pipe packaged boiler of identical heat exchange area, and heat transfer coefficient is higher; Compare with the horizontal external combustion extreme misery pipe packaged boiler of identical heating load, simple in structure, used steel are less, manufacturing process is simple, compact conformation, good airproof performance, safer reliable.

Detailed structure of the present utility model is provided by embodiment and accompanying drawing thereof.

Fig. 1 is the transverse sectional view of the utility model most preferred embodiment along smokestack.

Fig. 2 is the cutaway view along A-A line among Fig. 1.

Fig. 3 is the cutaway view along B-B line among Fig. 1.

See Fig. 1, Fig. 2, Fig. 3, the utility model has a horizontally-arranged shell (2) that is installed on the base (14), smoke box (18) and flue (3) vertically are set in shell (2) side by side, burner hearth (5) is arranged in the flue (3), preceding chimney arch (29) and back chimney arch (30), the L shaped to overflow pipe (16) of vertical installation arranged in the smoke box (18), dividing plate (17) is being divided into the U-shaped flue in the smoke box (18), smokestack (4) is arranged burner hearth (5) and smoke box (18) UNICOM at the rear portion of burner hearth (5), two sidewalls of shell (2) constitute water leg (6) and water leg (15) with a sidewall of flue (3) and a sidewall of smoke box (18) respectively, one sidewall of one sidewall of smoke box (18) and flue (3) constitutes water leg (8), the antetheca of the antetheca of the antetheca of shell (2) and smoke box (18) and flue (3) constitutes water leg (26), the rear wall of the rear wall of the rear wall of shell (2) and smoke box (18) and flue (3) constitutes water leg (22), level course burner row (9) is arranged under the burner hearth (5), level course burner row (9) vertically arranges three air compartments (11) down, and each air compartment (11) has air door (12) to communicate with air channel (13).The utility model also has return pipe (1), lighting door (7), shoot door (10), shoot door (21), observes door (23), cleanout door (24), coal bunker (25), water level meter (plan 7), steam vent (28), inspection opening (19), exhaust opening (31).

Claims

1, horizontal normal-pressure hot-water boiler, it comprises horizontally-arranged shell, flue, smoke box, level course burner row, base, return pipe, outlet pipe, be distributed with the L shaped of vertical installation in the smoke box to overflow pipe, every to the top and bottom of overflow pipe respectively with the top and the side UNICOM of smoke box; Burner hearth and preceding chimney arch and back chimney arch are arranged in the shell; Base top, the level course burner of level course burner ranking under shell arranged some air compartments that distribute down, and air compartment communicates with the air channel through air door; It is characterized in that:

(a) flue and smoke box vertically are set up in parallel in shell, and the two side of shell respectively constitutes a water leg with a sidewall of smoke box and a sidewall of flue respectively, and a sidewall of flue and a sidewall of smoke box constitute a water leg;

(b) antetheca of shell and smoke box antetheca and flue antetheca constitute water leg, and shell rear wall and smoke box rear wall and flue rear wall constitute water leg;

(c) rear side has a smokestack burner hearth and smoke box UNICOM in the burner hearth;

(d) dividing plate vertically uprightly is installed in smoke box, being divided into the U-shaped flue in the smoke box.