CN220017323U

CN220017323U - Biomass steam boiler

Info

Publication number: CN220017323U
Application number: CN202320463010.3U
Authority: CN
Inventors: 蒋云鹏; 蒋云龙
Original assignee: Shandong Luren Thermal Equipment Co ltd
Current assignee: Shandong Luren Thermal Equipment Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-11-14
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a biomass steam boiler, which relates to the technical field of steam boilers and comprises a boiler body, wherein one side of the boiler body, which comprises a boiler liner, is connected with a combustion chamber through a communicating pipe, the top of the combustion chamber is provided with a feed inlet, the inside of the feed inlet is provided with a feeding mechanism, one side of the combustion chamber is provided with an automatic igniter, the outer wall of the combustion chamber, which is positioned below the automatic igniter, is provided with a water inlet pipe, the water inlet pipe is communicated with the boiler body, the top of one side of the boiler body is provided with a smoke transferring area, the inner wall of one side of the smoke transferring area is provided with a smoke discharging hole, the inner wall of the smoke discharging hole is inserted with a smoke discharging pipe, one end, which is far away from the smoke transferring area, of the smoke discharging pipe is connected with a chimney, the top of the boiler liner is provided with a second smoke flowing through hole, and the bottom of the smoke transferring area is provided with a first smoke flowing through hole. The utility model has higher heat utilization rate, has good heating effect and can greatly reduce the waste of heat.

Description

Biomass steam boiler

Technical Field

The utility model relates to the technical field of steam boilers, in particular to a biomass steam boiler.

Background

The steam boiler is a boiler device for producing steam, belongs to special equipment, and has to be inspected by national technical supervision departments in design, production, delivery and installation, and a user needs to obtain a boiler use certificate to operate the boiler. Unlike normal pressure boilers, the steam boiler must be shipped with boiler procedures including boiler body diagram, installation diagram, instrument valve diagram, pipeline diagram, inspection qualification, etc.

There are many kinds of steam boilers, one kind is the biomass steam boiler, the existing biomass steam boiler generates smoke when burning, the generated smoke is generally directly discharged after being filtered, and heat carried in the smoke is directly wasted, so that the biomass steam boiler has room for improvement.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a biomass steam boiler. The heat utilization rate is higher, a good heating effect is achieved, and heat waste can be greatly reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the biomass steam boiler comprises a boiler body, the boiler body includes the stove courage one side of stove courage is connected with the combustion chamber through communicating pipe, the feed inlet has been seted up at the top of combustion chamber, the inside of feed inlet is provided with feed mechanism, one side of combustion chamber is provided with automatic ignition ware, the outer wall that the combustion chamber is located automatic ignition ware below is provided with the inlet tube, the inlet tube is linked together with the boiler body, change the cigarette district has been seted up at the top of boiler body one side, change the smoke vent has been seted up to one side inner wall of cigarette district, the inner wall grafting of smoke vent has the tobacco pipe of discharging fume, the one end that changes the cigarette district was kept away from to the tobacco pipe is connected with the chimney, the second flue gas through-hole has been seted up at the top of stove courage, first flue gas through-hole has been seted up to the bottom of changeing the cigarette district, the inside of boiler body is provided with the heat transfer chamber, the heat transfer intracavity is provided with the heat pipe, the heat transfer pipe is located between first flue gas through-hole and the second flue gas through-hole, the top of boiler body is provided with steam outlet.

The technical scheme is as follows: when the boiler is used, cold water is added into the boiler body through the water inlet pipe, fuel is added into the combustion chamber through the feeding mechanism, the fuel is ignited by the automatic igniter, high-temperature gas can enter the boiler liner along the communicating pipe, the fuel can be combusted in the combustion chamber and the boiler liner, heat is transferred to water in the boiler after the fuel is combusted, smoke generated by the fuel combustion is discharged along the smoke transferring area and the smoke discharging pipe, heat in the smoke is also absorbed by water in the heat exchanging pipe in the smoke discharging process, steam is generated after the water is heated and boiled, the steam is discharged from the steam outlet, the heat utilization rate is high, a good heating effect is achieved, and the heat waste can be greatly reduced.

The feeding mechanism is further arranged, the feeding mechanism comprises a feeding pipe, one side of the feeding pipe is provided with a gear motor, an output shaft of the gear motor is connected with a conveying auger, the conveying auger is positioned in the feeding pipe, the top of the feeding pipe is provided with a storage bin, and the bottom end of the feeding pipe is communicated with a feeding port.

The technical scheme is as follows: during feeding, fuel is placed into the storage bin, the gear motor works to drive the conveying auger to rotate, the conveying auger rotates to convey the fuel into the feed inlet, and the fuel enters the combustion chamber from the feed inlet.

The utility model is further arranged that the outer surface of the combustion chamber is provided with a heat insulation plate.

The technical scheme is as follows: the heat insulation board can play a good role in heat insulation and can reduce heat loss.

The utility model is further arranged that one side of the furnace pipe is provided with an ash removing opening, and the inner wall of the ash removing opening is provided with an ash removing door.

The technical scheme is as follows: the dust removal opening is arranged, so that dust generated by combustion in the furnace can be conveniently removed, and the convenience of operation is improved.

The utility model is further arranged that the top of the outer walls at both sides of the boiler body are provided with access holes, and the inner walls of the access holes are provided with access doors.

The technical scheme is as follows: the setting of access hole can conveniently overhaul the boiler body, has improved the convenience of operation.

The utility model further provides that the heat exchange tube is of a spiral structure.

The technical scheme is as follows: the design of the spiral structure can increase the contact area between the heat exchange tube and the flue gas, and further improves the heat conversion efficiency.

The utility model further provides that the number of the smoke exhaust pipes is a plurality, and the smoke exhaust pipes are positioned between the smoke transfer area and the chimney.

The technical scheme is as follows: the arrangement of the smoke exhaust pipes can reduce the smoke temperature and increase the heat exchange efficiency.

The beneficial effects of the utility model are as follows:

1. this living beings steam boiler, during the use, add cold water in to the boiler body through the inlet tube, add fuel in to the combustion chamber through feed mechanism, control automatic ignition ware ignites fuel, high temperature gas can be along communicating pipe entering into the stove courage in, fuel can burn in combustion chamber and stove courage, water in the boiler is given with heat transfer after the fuel burns, the flue gas that the fuel burning produced is discharged along changeing the cigarette district and discharging fume the pipe, the in-process of discharging fume, the heat in the flue gas also can be absorbed to the water in the heat transfer pipe, the steam is produced steam after the water is heated the boiling, steam is discharged from the steam outlet, the heat utilization ratio is higher, play good heating effect, but the waste of greatly reduced heat.

2. The biomass steam boiler has the advantages that the heat insulation board can have a good heat insulation effect, and the heat loss can be reduced; the ash removing port can conveniently remove dust generated by combustion in the furnace, so that the convenience of operation is improved; the overhaul port can facilitate overhaul of the boiler body, so that the convenience of operation is improved; the heat exchange tube with the spiral structure can increase the contact area with the flue gas, and further improves the heat conversion efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a biomass steam boiler according to the present utility model;

fig. 2 is a schematic cross-sectional structural diagram of a feed pipe of a biomass steam boiler according to the present utility model;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1.

In the figure: 1. a feed inlet; 2. a combustion chamber; 3. a speed reducing motor; 4. a feed pipe; 5. a storage bin; 6. the smoke transferring area; 7. a first flue gas flow through hole; 8. a boiler body; 9. a steam outlet; 10. a smoke exhaust pipe; 11. an access door; 12. a chimney; 13. a heat exchange cavity; 14. a heat exchange tube; 15. a second flue gas flow through hole; 16. an ash removing port; 17. a furnace pipe; 18. a communicating pipe; 19. a thermal insulation board; 20. conveying the auger; 21. a water inlet pipe; 22. and (5) an automatic igniter.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1-3, biomass steam boiler, including boiler body 8, boiler body 8 includes furnace courage 17, one side of furnace courage 17 is connected with combustion chamber 2 through communicating pipe 18, feed inlet 1 has been seted up at the top of combustion chamber 2, the inside of feed inlet 1 is provided with feed mechanism, one side of combustion chamber 2 is provided with automatic igniter 22, the outer wall that combustion chamber 2 is located automatic igniter 22 below is provided with inlet tube 21, inlet tube 21 is linked together with boiler body 8, change cigarette district 6 has been seted up at the top of boiler body 8 one side, change cigarette district 6 one side inner wall and seted up the exhaust port, the inner wall grafting of exhaust port has smoke tube 10, the one end that smoke tube 10 kept away from change cigarette district 6 is connected with chimney 12, second smoke flow through-hole 15 has been seted up at the top of furnace courage 17, first smoke flow through-hole 7 has been seted up to the bottom of change cigarette district 6, the inside of boiler body 8 is provided with heat exchange chamber 13, be provided with heat exchange tube 14 in heat exchange chamber 13, heat exchange tube 14 is located between first smoke flow through-hole 7 and second smoke flow-through-hole 15, the top of boiler body 8 is provided with steam outlet 9.

Specifically, feed mechanism includes conveying pipe 4, and one side of conveying pipe 4 is provided with gear motor 3, and gear motor 3's output shaft has and carries auger 20, carries auger 20 to be located conveying pipe 4, and the top of conveying pipe 4 is provided with feed bin 5, and the bottom of conveying pipe 4 is linked together with feed inlet 1. During feeding, fuel is placed into the storage bin 5, the gear motor 3 works to drive the conveying auger 20 to rotate, the conveying auger 20 rotates to convey the fuel into the feed inlet 1, and the fuel enters the combustion chamber 2 from the feed inlet 1.

Specifically, the combustion chamber 2 is a fuel vaporization chamber, and after the fuel is sent into the high-temperature combustion chamber, the fuel is carbonized and vaporized to form combustible gas at high temperature, so that the combustion rate of the fuel is improved, and the nitrogen oxides and dust in flue gas are reduced; the outer surface of the combustion chamber 2 is provided with an insulating plate 19. The heat insulation board 19 can play a good heat insulation role, and can reduce heat loss.

Specifically, the furnace pipe 17 is a secondary combustion chamber, and the vaporized combustible gas and air are mixed again and fully combusted; an ash removing opening 16 is arranged on one side of the furnace pipe 17, and an ash removing door is arranged on the inner wall of the ash removing opening 16. The dust removal opening 16 is arranged, so that dust generated by combustion in the furnace pipe 17 can be conveniently removed, and the convenience of operation is improved.

Specifically, the access holes are all offered at the top of boiler body 8 both sides outer wall, and the inner wall of access hole is provided with access door 11. The setting of access hole can conveniently overhaul boiler body 8, has improved the convenience of operation.

Specifically, the heat exchange tube 14 has a spiral structure. The design of the spiral structure can increase the contact area between the heat exchange tube 14 and the flue gas, and further improves the heat conversion efficiency.

Specifically, the number of the smoke exhaust pipes 10 is a plurality, and the plurality of smoke exhaust pipes 10 are positioned between the smoke transfer area 6 and the chimney 12. The arrangement of the plurality of smoke exhaust pipes 10 can reduce the smoke temperature and increase the heat exchange efficiency.

Working principle: when the boiler is used, cold water is added into the boiler body 8 through the water inlet pipe 21, fuel is added into the combustion chamber 2 through the feeding mechanism, the automatic igniter 22 is controlled to ignite the fuel, high-temperature gas can enter the boiler liner 17 along the communicating pipe 18, the fuel can be combusted in the combustion chamber 2 and the boiler liner 17, heat is transferred to water in the boiler after the fuel is combusted, smoke generated by the fuel combustion is discharged along the smoke transferring area 6 and the smoke exhaust pipe 10, heat in the smoke is also absorbed by the water in the heat exchange pipe 14 in the smoke exhaust process, steam is generated after the water is heated and boiled, the steam is discharged from the steam outlet 9, the heat utilization rate is high, a good heating effect is achieved, and the heat waste can be greatly reduced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The biomass steam boiler comprises a boiler body (8), the boiler body (8) comprises a boiler liner (17), and is characterized in that one side of the boiler liner (17) is connected with a combustion chamber (2) through a communicating pipe (18), a feed inlet (1) is formed in the top of the combustion chamber (2), a feeding mechanism is arranged in the feed inlet (1), an automatic igniter (22) is arranged on one side of the combustion chamber (2), a water inlet pipe (21) is arranged on the outer wall of the combustion chamber (2) below the automatic igniter (22), the water inlet pipe (21) is communicated with the boiler body (8), a smoke conversion area (6) is formed in the top of one side of the boiler body (8), a smoke exhaust hole is formed in the inner wall of one side of the smoke conversion area (6), a smoke exhaust pipe (10) is spliced in the inner wall of the smoke exhaust hole, one end of the smoke exhaust pipe (10) away from the smoke conversion area (6) is connected with a chimney (12), a second smoke flow through hole (15) is formed in the top of the combustion chamber (2), a first smoke flow through hole (7) is formed in the bottom of the smoke conversion area (6), a heat exchange cavity (13) is formed in the first boiler body (7), a heat exchange cavity (13) is formed in the heat exchange cavity (13), the heat exchange tube (14) is located between the first smoke flow through hole (7) and the second smoke flow through hole (15), and a steam outlet (9) is formed in the top of the boiler body (8).

2. The biomass steam boiler according to claim 1, wherein the feeding mechanism comprises a feeding pipe (4), one side of the feeding pipe (4) is provided with a gear motor (3), an output shaft of the gear motor (3) is connected with a conveying auger (20), the conveying auger (20) is located in the feeding pipe (4), a storage bin (5) is arranged at the top of the feeding pipe (4), and the bottom end of the feeding pipe (4) is communicated with the feeding port (1).

3. Biomass steam boiler according to claim 1, characterized in that the outer surface of the combustion chamber (2) is provided with an insulation board (19).

4. The biomass steam boiler according to claim 1, wherein an ash removal opening (16) is formed in one side of the boiler furnace (17), and an ash removal door is arranged on the inner wall of the ash removal opening (16).

5. The biomass steam boiler according to claim 4, wherein the top of the outer walls of the two sides of the boiler body (8) are provided with access ports, and the inner walls of the access ports are provided with access doors (11).

6. Biomass steam boiler according to claim 1, characterized in that the heat exchange tube (14) is of a spiral structure.

7. The biomass steam boiler according to claim 6, wherein the number of the smoke exhaust pipes (10) is a plurality, and the plurality of the smoke exhaust pipes (10) are positioned between the smoke transfer area (6) and the chimney (12).