CN201621846U

CN201621846U - Smokeless dustless boiler

Info

Publication number: CN201621846U
Application number: CN2010201276139U
Authority: CN
Inventors: 岳宝元
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-10
Filing date: 2010-03-10
Publication date: 2010-11-03
Anticipated expiration: 2020-03-10

Abstract

The utility model relates to a boiler, in particular to a smokeless dustless boiler. The smokeless dustless boiler comprises a combustion chamber, a water jacket arranged in the casing of the combustion chamber, a waste heat utilization bin fixedly connected with the upper part of the combustion chamber, and a heating bin and a ventilation bin which are disposed in the waste heat utilization bin. The boiler can fully utilize the heat generated in the flame combustion process to repeatedly heat the recycling water so as to improve the thermal efficiency and reduce the emission of smoke and dust. The smokeless dustless boiler has the advantages of simple structure, easy operation, high thermal efficiency and less waste gas pollution.

Description

Smokeless and dust free boiler

Technical field

The utility model relates to a kind of boiler, specifically a kind of smokeless and dust free boiler.

Background technology

The thermal efficiency of coal-burning boiler and exhaust emission are a great problems of puzzlement boiler manufacturing always.And the thermal efficiency is low and serious the following mutually often of exhaust emission produces, flame and hot gas all are to make progress away in the time of common boiler combustion, in a single day imperfect combustion tail gas leave flame will reduce temperature gradually, the chance utilized of burning again, this unburnt exhaust emissions causes new environmental pollution in atmosphere.Round improving the thermal efficiency and reducing the problem of tail gas pollution, people have proposed the structure of multiple boiler, but the result of use of existing various boilers is unsatisfactory, and the main problem that exists remains also that the thermal efficiency is low, exhaust emissions does not reach modern environmental requirement.

Summary of the invention

The purpose of this utility model provide a kind of simple in structure, the thermal efficiency is high, pollute little smokeless and dust free boiler.

For achieving the above object, the utility model is by the following technical solutions:

Smokeless and dust free boiler described in the utility model, comprise combustion chamber and the water jacket that is arranged in the combustor outer casing, combustor outer casing is provided with air inlet and stove gate, the lower end of combustion chamber is provided with fire grate, it is characterized in that: in the combustion chamber, the top of fire grate has the many heat pipes that horizontal direction is arranged, heat pipe is a hollow tubular structures, and the two ends of heat pipe are communicated with the inner chamber of water jacket; Upper fixed in the combustion chamber is connected with the UTILIZATION OF VESIDUAL HEAT IN storehouse, described UTILIZATION OF VESIDUAL HEAT IN storehouse comprises upper shell, is fixedly connected on the loam cake of upper shell upper end, is installed in heating cabinet and ventilation storehouse in the upper shell inner chamber, the upper end closed of described heating cabinet, lower ending opening also dock with the upper end open place of combustion chamber, heating cabinet lower ending opening place is fixedly connected with buttcover plate, this buttcover plate is a ring-type, the outer rim of buttcover plate is fixedly connected on the inwall of upper shell, and the inner edge of buttcover plate is fixedly connected on the outer wall of heating cabinet housing; The ventilation storehouse is arranged on the top of heating cabinet, this ventilation storehouse is the shelly body of sealing, intert between the bottom surface in ventilation storehouse and the upper surface of heating cabinet and be connected with longitudinal tubule (L tubule), the two ends up and down of longitudinal tubule (L tubule) are communicated to the inner chamber of ventilation storehouse and heating cabinet respectively, many bend pipes evenly distribute around the ventilation storehouse, the upper end of described bend pipe is fixedly connected on the sidewall in ventilation storehouse, and with the ventilation storehouse inner chamber communicate, the lower end of bend pipe is fixedly connected on the buttcover plate, and communicate with the upper end open place of combustion chamber, on the bottom surface in ventilation storehouse, also be fixedly connected with induced duct, the inner of described induced duct is communicated with the inner chamber in ventilation storehouse, and the outer end of induced duct is communicated with air inlet on being arranged on upper shell; Also be provided with blast pipe on the sidewall in ventilation storehouse, blast pipe is communicated to and is arranged on the fume extractor of the upper shell outside; Between upper shell and combustor outer casing, be fixedly connected with circulating water pipe, the upper end of described circulating water pipe is fixedly connected on the outer wall of upper shell and with the inner chamber of upper shell and is communicated with, the lower end of circulating water pipe is fixedly connected on the outer wall of combustor outer casing, and is communicated with water jacket.

Be fixedly connected with transverse tube in heating cabinet, intert respectively on the sidewall of heating cabinet at the two ends of described transverse tube, and be communicated with the inner chamber of upper shell.

Described fume extractor is alkaline wet type smoke abatement devulcanizer, and described alkaline wet type smoke abatement devulcanizer comprises reservoir, is fixedly mounted on the filter core in the reservoir, and filter core is provided with into mouth and outlet flue, advances mouth and is communicated with induced duct.

Owing to adopted technique scheme, the utility model operation simple in structure, easy, thermal efficiency height, exhaust emission are few.

Description of drawings

Fig. 1 is the structural representation of a kind of embodiment of the utility model;

Fig. 2 is the A-A cutaway view of Fig. 1.

The specific embodiment

The utility model will be further described below in conjunction with the drawings and specific embodiments.

Smokeless and dust free boiler described in the utility model comprises combustion chamber 1 and the water jacket 2 that is arranged in 1 shell of combustion chamber, and the outline of combustion chamber 1 and water jacket 2 can be circular, also can be square.Combustion chamber 1 shell is provided with air inlet 5 and stove gate 6, and stove gate 6 is used for filling coal in the combustion chamber, and air inlet 5 is used for to the burning room ventilation.Certainly, if necessary, also can on air inlet 5, air blast be installed, be used to strengthen intake, improve efficiency of combustion.The lower end of combustion chamber 1 is provided with fire grate 4, and fuel such as coal just are placed on burning on the fire grate 4.In combustion chamber 1, fire grate 4 above have the many heat pipes 3 that horizontal direction is arranged, heat pipe 3 is a hollow tubular structures, the two ends of heat pipe 3 are communicated with the inner chamber of water jacket 2; In order to promote flowing of heat pipe 3 interior water, can make 3 one of heat pipes a head taller low, like this, after being heated, the water in the heat pipe 3 will flow to high-end by low side.The quantity of heat pipe 3 can be provided with as required, can be arranged in a row, also can be arranged above and below into two rows or many rows, same row or different rows' heat pipe can also be crisscross arranged, that is: two adjacent when same row's heat pipe is crisscross arranged heat pipes tilt to different directions respectively; Different rows' heat pipe is crisscross arranged and is meant that adjacent two heat pipes of arranging tilt towards different directions respectively.

1 upper fixed is connected with the UTILIZATION OF VESIDUAL HEAT IN storehouse in the combustion chamber, and described UTILIZATION OF VESIDUAL HEAT IN storehouse comprises upper shell 7, is fixedly connected on the loam cake 8 of upper shell 7 upper ends, is installed in heating cabinet 9 and ventilation storehouse 10 in upper shell 7 inner chambers.The upper end closed of described heating cabinet 9, lower ending opening also dock with the upper end open place of combustion chamber 1, heating cabinet 9 lower ending opening places are fixedly connected with buttcover plate 11, this buttcover plate 11 is a ring-type, the outer rim of buttcover plate 11 is fixedly connected on the inwall of upper shell 7, and the inner edge of buttcover plate 11 is fixedly connected on the outer wall of heating cabinet 9 housings; Be fixedly connected with transverse tube 16 in heating cabinet 9, intert respectively on the sidewall of heating cabinet 9 at the two ends of described transverse tube 16, and be communicated with the inner chamber of upper shell 7; The principle that is obliquely installed with heat pipe 3 is identical, in order to strengthen the flowability of the water in the transverse tube 16, transverse tube 16 can be designed to a head taller low being obliquely installed.

Ventilation storehouse 10 is arranged on the top of heating cabinet 9, these ventilation storehouse 10 shelly bodies for sealing, intert between the bottom surface in ventilation storehouse 10 and the upper surface of heating cabinet 9 and be connected with longitudinal tubule (L tubule) 12, the two ends up and down of longitudinal tubule (L tubule) 12 are communicated to the inner chamber of ventilation storehouse 10 and heating cabinet 9 respectively, many bend pipes 13 evenly distribute around ventilation storehouse 10, the upper end of described bend pipe 13 is fixedly connected on the sidewall in ventilation storehouse 10, and with the ventilation storehouse 10 inner chamber communicate, the lower end of bend pipe 13 is fixedly connected on the buttcover plate 11, and communicate with the upper end open place of combustion chamber 1, on the bottom surface in ventilation storehouse 10, also be fixedly connected with induced duct 14, the inner of described induced duct 14 is communicated with the inner chamber in ventilation storehouse 10, and the outer end of induced duct 14 is communicated with air inlet on being arranged on upper shell 7; Also be provided with blast pipe 29 on the sidewall in ventilation storehouse 10, blast pipe 29 is communicated to and is arranged on upper shell 7 outside fume extractors; As shown in Figure 1, directly enter induced duct 14 for fear of flue dust from ventilation storehouse 10, the inner top that induced duct 14 is positioned at ventilation storehouse 10 has the end cap of sealing, and on the sidewall of the induced duct below end cap 14 through hole is set, like this, the flue dust in the storehouse 10 of can avoiding taking a breath directly enters induced duct 14, forms flue gas and pours in down a chimney, simultaneously from induced duct 14 enter the ventilation storehouse 10 air and end cap bump, help improving the diffuser efficiency of air.

Between upper shell 7 and combustion chamber 1 shell, be fixedly connected with circulating water pipe 15, the upper end of described circulating water pipe 15 is fixedly connected on the outer wall of upper shell 7 and with the inner chamber of upper shell 7 and is communicated with, the lower end of circulating water pipe 15 is fixedly connected on the outer wall of combustion chamber 1 shell, and is communicated with water jacket 2.Like this, the water body in upper shell 7 and the water jacket 2 can be communicated with, form a circulation by circulating water pipe 15.

Described fume extractor is alkaline wet type smoke abatement devulcanizer, and described alkaline wet type smoke abatement devulcanizer comprises reservoir 17, is fixedly mounted on the filter core 18 in the reservoir 17, and filter core 18 is provided with into mouth 19 and outlet flue 20, advances mouth 19 and is communicated with induced duct 14.The filter core of alkalescence wet type smoke abatement devulcanizer is a known technology, no longer is described in detail at this.

Certainly, use for convenience, also should have necessary facilities such as fire door, air port, intake-outlet, cleaning door, observation window on this boiler, this is the known technology of this area, does not repeat them here.

During use, in upper shell 7 and 2 li filled with water of water jacket, coal burns on fire grate 4, also directly burns heat pipe 3 in the inwall heating by water jacket 2, with the heating of the water in the heat pipe 3, promotes water wherein to flow; After combustion chamber 1 interior scorching hot air and flame rise, a part directly enters in the ventilation storehouse 10 by bend pipe 13 on every side, high temperature air and flame that another part is positioned at the center enter heating cabinet 9, and with transverse tube 16 heating, and the continuation rising enters ventilation storehouse 10 by longitudinal tubule (L tubule) 12; Flame in the process that rises, simultaneously also with the water generation heat exchange in each pipeline or the bulkhead outside, so the thermal efficiency is very high.

Above-mentioned two parts flame enters after the ventilation storehouse 10, in ventilation storehouse 10, take place fierce collision and with burn once more after air that induced duct 14 enters mixes, after all combustible burnings totally, waste gas enters blast pipe 29, discharges after the desulfurization of parlkaline wet type smoke abatement devulcanizer smoke abatement again.Vent gas treatment is very clean, can reach the requirement of modern environment protection fully.

Claims

1. smokeless and dust free boiler, comprise combustion chamber (1) and be arranged on water jacket (2) in the shell of combustion chamber (1), combustion chamber (1) shell is provided with air inlet (5) and stove gate (6), the lower end of combustion chamber (1) is provided with fire grate (4), it is characterized in that: in combustion chamber (1), the top of fire grate (4) has the many heat pipes (3) that horizontal direction is arranged, heat pipe (3) is a hollow tubular structures, and the two ends of heat pipe (3) are communicated with the inner chamber of water jacket (2); The upper fixed of (1) is connected with the UTILIZATION OF VESIDUAL HEAT IN storehouse in the combustion chamber, described UTILIZATION OF VESIDUAL HEAT IN storehouse comprises upper shell (7), be fixedly connected on the loam cake (8) of upper shell (7) upper end, be installed in heating cabinet (9) and ventilation storehouse (10) in upper shell (7) inner chamber, the upper end closed of described heating cabinet (9), lower ending opening also docks with the upper end open place of combustion chamber (1), heating cabinet (9) lower ending opening place is fixedly connected with buttcover plate (11), this buttcover plate (11) is a ring-type, the outer rim of buttcover plate (11) is fixedly connected on the inwall of upper shell (7), and the inner edge of buttcover plate (11) is fixedly connected on the outer wall of heating cabinet (9) housing; Ventilation storehouse (10) is arranged on the top of heating cabinet (9), this ventilation storehouse (10) is the shelly body of sealing, intert between the bottom surface in ventilation storehouse (10) and the upper surface of heating cabinet (9) and be connected with longitudinal tubule (L tubule) (12), the two ends up and down of longitudinal tubule (L tubule) (12) are communicated to the inner chamber of ventilation storehouse (10) and heating cabinet (9) respectively, many bend pipes (13) evenly distribute around ventilation storehouse (10), the upper end of described bend pipe (13) is fixedly connected on the sidewall in ventilation storehouse (10), and with the ventilation storehouse (10) inner chamber communicate, the lower end of bend pipe (13) is fixedly connected on the buttcover plate (11), and communicate with the upper end open place of combustion chamber (1), on the bottom surface in ventilation storehouse (10), also be fixedly connected with induced duct (14), the inner of described induced duct (14) is communicated with the inner chamber in ventilation storehouse (10), and the outer end of induced duct (14) is communicated with air inlet on being arranged on upper shell (7); On the sidewall in ventilation storehouse (10), also be provided with blast pipe (29), blast pipe (29) is communicated to and is arranged on the fume extractor of upper shell (7) outside, between upper shell (7) and combustion chamber (1) shell, be fixedly connected with circulating water pipe (15), the upper end of described circulating water pipe (15) is fixedly connected on the outer wall of upper shell (7) and with the inner chamber of upper shell (7) and is communicated with, the lower end of circulating water pipe (15) is fixedly connected on the outer wall of combustion chamber (1) shell, and is communicated with water jacket (2).

2. smokeless and dust free boiler according to claim 1 is characterized in that: be fixedly connected with transverse tube (16) in heating cabinet (9), intert respectively on the sidewall of heating cabinet (9) at the two ends of described transverse tube (16), and be communicated with the inner chamber of upper shell (7).

3. smokeless and dust free boiler according to claim 1 and 2, it is characterized in that: described fume extractor is alkaline wet type smoke abatement devulcanizer, described alkaline wet type smoke abatement devulcanizer comprises reservoir (17), is fixedly mounted on the filter core (18) in the reservoir (17), filter core (18) is provided with into mouth (19) and outlet flue (20), advances mouth (19) and is communicated with induced duct (14).