Water gas boiler

Abstract

The utility model relates to the technical field of boilers, and discloses a water gas boiler which comprises a base, the upper end of the base is fixedly connected with a boiler body shell, the inner side of the upper end of the base is fixedly connected with an inner combustion furnace, one side of the upper end of the inner combustion furnace is fixedly connected with a smoke exhaust pipe, and the lower end of the base is provided with a connecting rod. A heat preservation pipe is fixedly connected to the top end of the connecting rod, a filter screen is fixedly connected to the middle of the heat preservation pipe, and an inclined plate is fixedly connected to the lower end of the filter screen. According to the water gas boiler, the inclined plate and the waste residue collecting box are installed in the heat preservation pipe, the inclined plate is arranged at the upper end of the waste residue collecting box, ash generated by coal briquette combustion is conveyed into the waste residue collecting box, meanwhile, water vapor is conveyed to the position between the inclined plate and the waste residue collecting box, and the steam can be conveyed upwards through a gap; and meanwhile, the water vapor is decomposed into combustible water gas when passing through the coal layer, so that the combustion in the furnace is more vigorous.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler technical field, concretely is a water gas boiler. BACKGROUND

[0002] Water gas is the gas that water vapor generates through the coke of intense heat, and the main component is carbon monoxide, hydrogen, and the water and carbon dioxide are discharged after combustion, and there are trace CO, hydrocarbon and NOx, usually when using water gas boiler, water vapor is transported in the coal during the coal combustion process, and the water vapor is decomposed into combustible water gas when passing through the coal layer, thereby improving the combustion effect in the furnace.

[0003] However, during the use of the water gas boiler, the steam is transported to the bottom end of the coal through the pipeline, and the steam needs to pass through the coal layer, but the coal combustion process produces ash, which accumulates at the bottom end of the coal, and the ash affects the upward transmission of the steam, thereby affecting the production of water gas by the steam passing through the coal layer, and affecting the combustion efficiency. UTILITY MODEL CONTENT

[0004] In view of the shortcomings of the existing water gas boiler, the utility model provides a water gas boiler, which has the advantages that when the ash generated by the coal combustion falls into the inside of the waste residue collection box, the steam is blocked by the inclined plate and can be transmitted upward, thereby avoiding the contact between the ash and the steam and improving the steam transmission efficiency, and the problems in the above background technology are solved.

[0005] The utility model provides following technical scheme: a water gas boiler, including base, the upper end fixedly connected with furnace body shell of base, the inboard fixedly connected with internal combustion furnace of base upper end, one side fixedly connected with the smoke pipe of internal combustion furnace upper end, the lower end of base is installed with connecting rod, the top fixedly connected with heat preservation pipe of connecting rod, the middle part fixedly connected with filter screen of heat preservation pipe, the lower end fixedly connected with inclined plate of filter screen, the lower end fixedly connected with waste residue collection box in heat preservation pipe, the outside installed with steam delivery pipe of one side of furnace body shell, the fixedly connected with upper jet pipe and lower jet pipe on steam delivery pipe inner wall, the outside fixedly connected with protective sleeve of upper jet pipe end part.

[0006] Preferably, a cavity is formed between the furnace body shell and the internal combustion furnace, and the cavity is filled with water.

[0007] Preferably, the heat preservation pipe is attached to the inner side of the internal combustion furnace, and a hole is provided between the waste residue collection box and the internal combustion furnace, and the inclined plate is installed obliquely at the upper end of the waste residue collection box.

[0008] Preferably, the upper and lower parts of the side of the furnace body shell are respectively provided with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are respectively provided with a control valve.

[0009] Preferably, the upper and lower parts of the side of the furnace body shell are respectively provided with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are respectively provided with a control valve.

[0010] Preferably, the upper and lower parts of the side of the furnace body shell are respectively provided with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are respectively provided with a control valve.

[0011] Preferably, the upper and lower parts of the side of the furnace body shell are respectively provided with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are respectively provided with a control valve.

[0012] Compared with the prior water-coal gas boiler, the water-coal gas boiler has the following beneficial effects:

[0013] 1. The water-coal gas boiler, through the internal installation of the inclined plate and the waste residue collecting box in the heat preservation pipe, the inclined plate is arranged at the upper end of the waste residue collecting box, the ash generated by the combustion of the coal blocks is transported into the waste residue collecting box, at the same time, the water vapor is transported between the inclined plate and the waste residue collecting box, the steam can be transmitted upward through the gap, which avoids the interference of the ash on the transmission of the steam, and when the water vapor passes through the coal layer, the water vapor is decomposed into combustible water gas, so that the combustion in the furnace is more vigorous.

[0014] 2. The water-coal gas boiler, through the sleeving of the protective sleeve on the outside of the upper air injection pipe, when the steam is transmitted, the steam pushes open the cover plate, that is, the steam can be conducted outward, through the steam guide, the flue gas is conveniently discharged, at the same time, the spring pushes the cover plate to seal the outside of the protective sleeve, that is, when the steam stops being transported, the dust is avoided from being transported into the inside of the upper air injection pipe, so as to avoid the problem that the dust causes the blockage of the inside of the upper air injection pipe. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the main structure of the utility model;

[0016] Figure 2 It is a schematic view of the side structure of the utility model;

[0017] Figure 3 It is a schematic view of the sectional structure of the utility model;

[0018] Figure 4 It is a schematic view of the enlarged structure of the A place of the utility model;

[0019] Figure 5 It is a schematic view of the enlarged structure of the B place of the utility model.

[0020] In the figure: 1, base; 2, furnace body shell; 3, inner combustion furnace; 4, upper cover; 5, smoke exhaust pipe; 6, connecting rod; 7, heat preservation pipe; 8, filter screen; 9, inclined plate; 10, waste residue collection box; 11, liquid inlet pipe; 12, liquid outlet pipe; 13, steam conveying pipe; 14, upper air injection pipe; 15, lower air injection pipe; 16, first valve; 17, second valve; 18, protective sleeve; 19, connecting plate; 20, spring; 21, cover plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a water gas boiler, including base 1, the upper end of base 1 is fixedly connected with furnace body shell 2, the inner side of the upper end of base 1 is fixedly connected with inner combustion furnace 3, coal is placed in inner combustion furnace 3, one side of the upper end of inner combustion furnace 3 is fixedly connected with smoke exhaust pipe 5, smoke exhaust pipe 5 drives the dust generated by combustion to be discharged, the lower end of base 1 is installed with connecting rod 6, connecting rod 6 drives heat preservation pipe 7 to be installed in the inside of inner combustion furnace 3, the top end of connecting rod 6 is fixedly connected with heat preservation pipe 7, the middle part of heat preservation pipe 7 is fixedly connected with filter screen 8, the lower end of filter screen 8 is fixedly connected with inclined plate 9, the lower end in the inside of heat preservation pipe 7 is fixedly connected with waste residue collection box 10, waste residue collection box 10 is arranged on the upper part through inclined plate 9, when guaranteeing that steam is transmitted upward, it avoids that the interference caused by ash to the transmission of steam, the outside of one side of furnace body shell 2 is installed with steam conveying pipe 13, upper air injection pipe 14 and lower air injection pipe 15 are fixedly connected on the inner wall of steam conveying pipe 13, steam is conducted by upper air injection pipe 14 and lower air injection pipe 15, protective sleeve 18 is fixedly connected on the outside of the end of upper air injection pipe 14.

[0023] Please refer to Figure 3 , a cavity is formed between furnace body shell 2 and inner combustion furnace 3, and the inside of the cavity is filled with water, by forming a cavity between furnace body shell 2 and inner combustion furnace 3, and by filling the inside of the cavity with water, the heat generated in the process of combustion of the coal filled in the inside of inner combustion furnace 3 drives water to heat, steam is generated by the heating of water, and the steam can flow back to the inside of base 1 and inner combustion furnace 3.

[0024] Please refer to Figure 4The heat preservation tube 7 is attached to the inner side of the inner combustion furnace 3, a hole is arranged between the waste residue collecting box 10 and the inner combustion furnace 3, and the inclined plate 9 is obliquely arranged at the upper end of the waste residue collecting box 10. The heat preservation tube 7 is arranged inside the inner combustion furnace 3, the coal is placed on the upper part of the filter screen 8, and the ash generated during the combustion of the coal falls into the waste residue collecting box 10 through the hole arranged in the filter screen 8. The ash is blocked by the inclined plate 9 to avoid falling directly into the base 1. The inclined plate 9 and the waste residue collecting box 10 form an opening, and the steam can be transmitted between the waste residue collecting box 10 and the inclined plate 9, so that the ash and the steam transmission do not interfere with each other.

[0025] Please refer to Figure 2 The liquid inlet pipe 11 and the liquid outlet pipe 12 are arranged on the upper part and the lower part of the side of the furnace shell 2, respectively. The control valve is arranged in the liquid inlet pipe 11 and the liquid outlet pipe 12. The liquid inlet pipe 11 and the liquid outlet pipe 12 are arranged outside the inner combustion furnace 3. The liquid inlet pipe 11 can fill the liquid between the furnace shell 2 and the inner combustion furnace 3, and the liquid outlet pipe 12 can drive the liquid in the cavity of the furnace shell 2 and the inner combustion furnace 3 to be discharged.

[0026] Please refer to Figure 3 The upper gas injection pipe 14 extends into the inner combustion furnace 3, and the lower gas injection pipe 15 extends into the base 1. The holes are arranged at the ends of the upper gas injection pipe 14 and the lower gas injection pipe 15. The first valve 16 and the second valve 17 are arranged outside the upper gas injection pipe 14 and the lower gas injection pipe 15. The upper gas injection pipe 14 and the lower gas injection pipe 15 extend into the inner combustion furnace 3 and the base 1, respectively. The transmission of the steam is controlled by rotating the first valve 16 and the second valve 17. When the steam is transmitted into the inner combustion furnace 3 by the upper gas injection pipe 14, the negative pressure is formed, which facilitates the smoke generated during the combustion of the coal to be discharged through the smoke exhaust pipe 5. The steam is transmitted upward from the bottom end of the inner combustion furnace 3 by the lower gas injection pipe 15. The water vapor is decomposed into combustible water gas when passing through the coal layer, so that the combustion in the furnace is more vigorous.

[0027] Please refer to Figure 5The outer part of the protective sleeve 18 is fixedly connected with a connecting plate 19, the lower end of the connecting plate 19 is provided with a cover plate 21 through a spring 20, the outer part of the spring 20 is provided with a gas outlet groove, the cover plate 21 covers the outer part of the gas outlet groove, the protective sleeve 18 is sleeved on the outer part of the upper jet pipe 14, meanwhile, the outer part of the protective sleeve 18 is sleeved with the cover plate 21 provided with the gas outlet groove, the cover plate 21 seals the protective sleeve 18 under the elasticity of the spring 20, when the upper jet pipe 14 stops steam transmission, the dust generated by coal combustion is prevented from flowing back to the inner part of the upper jet pipe 14, so that the inner part of the upper jet pipe 14 is prevented from being blocked by the dust, thereby affecting the steam transmission efficiency, and when the upper jet pipe 14 drives steam to be discharged, the pressure generated by steam transmission can drive the cover plate 21 to be opened, that is, when the upper jet pipe 14 drives steam to be discharged, interference is avoided.

[0028] Please refer to Figure 3 The upper end of the base 1 is provided with an upper cover 4, the inner part of the internal combustion furnace 3 is filled with coal blocks, the upper end of the base 1 is provided with the upper cover 4, the upper cover 4 is opened, that is, the upper end of the internal combustion furnace 3 is formed with an opening, so that the coal is conveniently placed in the inner part of the heat preservation pipe 7.

[0029] Working principle: in use, the coal blocks are placed in the inner part of the internal combustion furnace 3 by opening the upper cover 4, meanwhile, the liquid is filled between the furnace body shell 2 and the internal combustion furnace 3 by the liquid inlet pipe 11, when the coal is burned, heat is generated, and the heat drives the liquid filled between the furnace body shell 2 and the internal combustion furnace 3 to be heated, the steam generated by heating is transmitted to the inner part of the upper jet pipe 14 and the lower jet pipe 15 through the steam conveying pipe 13, when the second valve 17 is opened, the steam is conveyed to the inner part of the base 1 by the lower jet pipe 15, when the water vapor passes through the coal layer, the water vapor is decomposed into combustible water gas, so that the combustion in the furnace is more vigorous, meanwhile, the first valve 16 is opened, the first valve 16 drives the upper jet pipe 14 to be formed with an opening, meanwhile, the cover plate 21 is opened by the steam, meanwhile, the steam is conveyed to the inner part of the internal combustion furnace 3, and the steam forms negative pressure, which is convenient for guiding the flue gas to be discharged through the smoke exhaust pipe 5.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A water-gas boiler, comprising a base (1), wherein a furnace shell (2) is fixedly connected to the upper end of the base (1), an internal combustion furnace (3) is fixedly connected to the inner side of the upper end of the base (1), an exhaust pipe (5) is fixedly connected to one side of the upper end of the internal combustion furnace (3), and a connecting rod (6) is installed at the lower end of the base (1), characterized in that: A heat-insulating pipe (7) is fixedly connected to the top of the connecting rod (6), a filter screen (8) is fixedly connected to the middle of the heat-insulating pipe (7), an inclined plate (9) is fixedly connected to the lower end of the filter screen (8), a waste residue collection box (10) is fixedly connected to the lower end inside the heat-insulating pipe (7), a steam conveying pipe (13) is installed on the outside of one side of the furnace shell (2), an upper jet pipe (14) and a lower jet pipe (15) are fixedly connected to the inner wall of the steam conveying pipe (13), and a protective sleeve (18) is fixedly connected to the outside of the end of the upper jet pipe (14).

2. A water-gas boiler according to claim 1, characterized in that: A cavity is formed between the outer shell (2) and the internal combustion furnace (3), and the cavity is filled with water.

3. A water-gas boiler according to claim 1, characterized in that: The insulation pipe (7) is fitted and installed on the inner side of the internal combustion furnace (3). A hole is provided between the waste slag collection box (10) and the internal combustion furnace (3). At the same time, the inclined plate (9) is installed obliquely at the upper end of the waste slag collection box (10).

4. A water-gas boiler according to claim 1, characterized in that: The upper and lower parts of the side of the furnace shell (2) are respectively equipped with a liquid inlet pipe (11) and a liquid outlet pipe (12), and control valves are installed inside the liquid inlet pipe (11) and the liquid outlet pipe (12).

5. A water-gas boiler according to claim 1, characterized in that: The upper jet pipe (14) extends into the interior of the internal combustion furnace (3), and the lower jet pipe (15) extends into the interior of the base (1). Holes are provided at the ends of both the upper jet pipe (14) and the lower jet pipe (15). A first valve (16) and a second valve (17) are installed on the outside of the upper jet pipe (14) and the lower jet pipe (15).

6. A water-gas boiler according to claim 1, characterized in that: The protective sleeve (18) is fixedly connected to a connecting plate (19). A cover plate (21) is installed at the lower end of the connecting plate (19) via a spring (20). An air vent groove is provided on the outside of the spring (20), and the cover plate (21) covers the outside of the air vent groove.

7. A water-gas boiler according to claim 1, characterized in that: The upper end of the base (1) is fitted with a cover (4), and the interior of the internal combustion furnace (3) is filled with coal blocks.

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