CN220689355U

CN220689355U - Biomass particle hot-blast stove

Info

Publication number: CN220689355U
Application number: CN202321775292.7U
Authority: CN
Inventors: 杨进良; 杨亚雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-03-29
Anticipated expiration: 2033-07-07

Abstract

The utility model provides a biomass particle hot-blast stove, which comprises a case and further comprises: a motor arranged in the chassis and a spiral feeding pipe for spiral feeding under the drive of the motor; the combustion chamber is arranged in the machine case and used for burning fuel, the combustion chamber comprises a primary combustion chamber arranged on one side of the feeding mechanism and a secondary combustion chamber arranged above the primary combustion chamber, and a plurality of air supply and oxygen supplementing holes are formed in the cavity wall at the top end of the combustion chamber; the four flame paths are positioned above the combustion chamber, a first air blower is arranged on one side of the feeding mechanism, and an air inlet of the first air blower draws outside air into the flame paths to form a three-stage combustion chamber in the flame paths; the utility model has the advantages of simple structure, small volume, low energy consumption, large heat quantity, excellent performance, stability, durability, convenient operation and low running and maintenance cost.

Description

Biomass particle hot-blast stove

Technical Field

The utility model relates to the technical field of renewable energy recycling, in particular to a biomass particle hot blast stove.

Background

In recent years, china advocates the comprehensive utilization of renewable energy sources, encourages the development of biomass energy sources, and increases the promotion and utilization force, thereby promoting the research and development and manufacture of biomass particle hot water, heating and steam stoves, and some biomass particle stove production enterprises also grow. However, the biomass particle hot air stoves on the market at present have some technical drawbacks and disadvantages, mainly manifested in the following aspects:

firstly, the degree of automation is low, the stability is poor, and the working efficiency is low; the fuel delivery is uneven and the feed pipe is easily blocked, resulting in equipment that cannot be operated continuously, stably and at low operating cost.

Secondly, the burning nodes are few, the burning is insufficient, so that carbon black is more, the fuel is more wasted, the insufficient burning produces more tar, coke and the like to cause the blockage of a hearth, flameout phenomenon occurs, the effects of heating, heat conduction and the like are poor after operation, the hot air quantity is insufficient, and the heat efficiency is low.

Thirdly, the slag removal effect is poor, the efficiency is low, the daily ash slag, the slag discharging frequency and the slag discharging intensity are low, the workload is necessarily caused to be cleaned manually for a plurality of times every day, the labor is wasted, and the labor and the operation cost are increased.

And the main combustion chamber, the secondary combustion chamber and each stage of flame paths are imperfect in combustion process flow, and meanwhile, designs, parameter compatibility and the like of a heated pipe, a wind cavity, a contact surface, a heated spot and the like have defects, so that the effects of heating, heat conduction and the like are poor, and the supply of hot air is unstable and does not last.

Fifthly, the combustion process equipment is not fully matched, and the process flow links are lack, so that the whole service life of the equipment is low, or the manufacturing price is increased due to the same service life, and the operation cost is higher.

Because of high manufacturing and operating costs, the vast users do not see the biomass particle hot air stove, so that the product is not popularized at a later time;

for this purpose, biomass particle stoves are proposed.

Disclosure of Invention

In view of the foregoing, embodiments of the present utility model seek to provide a biomass particle stove that solves or mitigates the technical problems of the prior art, and at least provides a beneficial option.

The technical scheme of the embodiment of the utility model is realized as follows: the biomass particle hot blast stove comprises a case and further comprises:

a motor arranged in the chassis and a spiral feeding pipe for spiral feeding under the drive of the motor;

the combustion chamber is arranged in the machine case and used for burning fuel, the combustion chamber comprises a primary combustion chamber arranged on one side of the feeding mechanism and a secondary combustion chamber arranged above the primary combustion chamber, and a plurality of air supply and oxygen supplementing holes are formed in the cavity wall at the top end of the combustion chamber;

the four flame paths are positioned above the combustion chamber, a first air blower is arranged on one side of the feeding mechanism, and an air inlet of the first air blower draws outside air into the flame paths to form a three-stage combustion chamber in the flame paths;

install the inside automatic slag removal device of machine case:

the flue gas purifying mechanism is arranged at one side of the case, and the gas outlet of the flue gas purifying mechanism is communicated with the flame path;

the fire path is internally provided with a plurality of heated pipes, two ends of each heated pipe are communicated with a wind cavity, and the wind cavities are positioned around the fire path;

four flame paths form a loop.

In some embodiments: and an observation window is embedded in the outer side of the combustion chamber.

In some embodiments: the side lower part of the automatic slag removing device and the lower part of the primary combustion chamber are provided with slag accumulating boxes for collecting slag and slag removing ports for discharging slag.

In some embodiments: the smoke purifying mechanism comprises a draught fan arranged on one side of the case and used for guiding the flowing direction of smoke, a smoke purifier connected with the draught fan through an induced air pipe and a smoke exhaust pipe used for exhausting purified smoke.

In some embodiments: the air inlet of the second air blower is communicated with the air cavity, the air outlet of the second air blower is communicated with a hot air outlet, and one end of the hot air outlet is communicated with the hot air conveying pipe.

In some embodiments: a first ash removing opening and a second ash removing opening are formed in one side of the front surface of the case.

In some embodiments: the bottom fixedly connected with base of machine case, and the universal wheel is all installed to the bottom four corners department of base.

The utility model works when in work: on the main interface of the intelligent control board, a key is intelligently started, the hot blast stove is ignited to run, biomass granular fuel uniformly and uniformly passes through an automatic spiral feeding pipe and is conveyed into a primary combustion chamber, and the fuel is combusted once and is comburedly provided with combustion by a blower; the flue gas and the solid particles are subjected to secondary combustion in the secondary combustion chamber, and the generated hot gas enters a flame path to directly heat the heated pipe; meanwhile, the air blower and the air supply and oxygen supplement holes are used for continuously supplying oxygen to support combustion, and the smoke and residual solid particles form three-time combustion in the flame path, so that the particulate fuel is completely combusted, and the ash and waste gas dust content is reduced to the greatest extent; especially, the heated pipes are arranged skillfully, so that the hot air circulation reaches the optimal state, the heating effect is good, and the hot air supply is stable and sufficient; the automatic slag removing device is used for automatically removing slag, so that the primary combustion chamber always keeps a good running state, and the heating efficiency is enhanced; and then the hot air is conveyed by the blower II, so that the hot air circulates circularly, the hot air is conveyed out from the hot air outlet at a constant speed through a pipeline, and the temperature is stable within a certain range. In addition, the turbo-charging principle and the flue gas returning utilization mode are adopted, so that the flue gas is circularly combusted, no flue gas is discharged, and the energy-saving and high-efficiency environment-friendly method is energy-saving and high-efficiency, safe and environment-friendly.

The core technology of the utility model adopts a three-stage combustion mode, adopts a turbo-charging principle and a flue gas returning utilization mode, and completely burns the granular fuel; the heating and heat exchanging device such as the combustion chamber, the flame path and the heated pipe has reasonable design, good heating effect, high heat efficiency and stable and sufficient hot air supply.

By adopting the technical scheme, the embodiment of the utility model has the following advantages:

1. the utility model has the advantages of simple structure, small volume, low energy consumption, large heat quantity, excellent performance, stability, durability, convenient operation and low running and maintenance cost.

2. The fuel is burnt to be out through three-stage or multi-stage combustion, a flame path is turned over, the ash quantity is small, the heating effect is good, and the heat efficiency is high;

3. the utility model adopts the turbo-charging principle and the flue gas returning utilization mode to lead the flue gas to be circularly burnt out without discharging the flue gas, thereby saving energy, being efficient, safe and environment-friendly.

4. The automatic spiral feeding and automatic deslagging device is adopted, the degree of automation is high, the heat efficiency performance of the hot blast stove is improved, and the working efficiency is improved.

5. The multi-stage flame path, the heated multi-layer pipe and the air cavity are reasonable in design, ingenious in configuration, good in heating and heating effects, high in heat efficiency and stable and sufficient in hot air supply.

6. The utility model has wide application range, and can be used for daily heating of families, enterprises, institutions, schools, hotels and the like, heat preservation and heating of livestock cubs in a farm, winter heat preservation of vegetable greenhouses, drying of agricultural products and medicinal materials and the like; the product model can be customized according to the user's needs.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view block diagram of the present utility model;

FIG. 2 is a rear view block diagram of the present utility model;

fig. 3 is a top view of the structure of the present utility model.

Reference numerals: 1. a feed hopper; 2. a spiral feed tube; 3. a motor; 4. a driving wheel; 5. a first blower; 6. a primary combustion chamber; 7. an observation window; 8. a secondary combustion chamber; 9. a flame path; 10. a heat receiving pipe; 11. a wind chamber; 12. a flame path top cover; 13. an induced draft fan; 14. an air guiding pipe; 15. a flue gas purifier; 16. a smoke exhaust pipe; 17. a second blower; 18. a hot air outlet; 19. a hot air delivery pipe; 20. a first ash removal port; 21. a second ash removal step; 22. a bevel gear; 23. automatic deslagging device; 24. a slag accumulation box; 25. an intelligent control board; 26. a chassis; 27. a chassis base; 28. and a universal wheel.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

It should be noted that the terms "first," "second," "symmetric," "array," and the like are used merely for distinguishing between description and location descriptions, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of features indicated. Thus, a feature defining "first," "symmetry," or the like, may explicitly or implicitly include one or more such feature; also, where certain features are not limited in number by words such as "two," "three," etc., it should be noted that the feature likewise pertains to the explicit or implicit inclusion of one or more feature quantities;

in the present utility model, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly; for example, the connection can be fixed connection, detachable connection or integrated molding; the connection may be mechanical, direct, welded, indirect via an intermediate medium, internal communication between two elements, or interaction between two elements. The specific meaning of the terms described above in the present utility model will be understood by those skilled in the art from the specification and drawings in combination with specific cases.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-3, an embodiment of the present utility model provides a biomass particle hot blast stove, including a cabinet 26, further including:

a motor 2 installed inside the cabinet 26 and a screw feed pipe screw-fed by the motor 2;

the combustion chamber is arranged in the case 26 and used for burning fuel, the combustion chamber comprises a primary combustion chamber 6 arranged at one side of the feeding mechanism and a secondary combustion chamber 8 arranged above the primary combustion chamber 6, and a plurality of air supply and oxygen supplementing holes are formed in the cavity wall at the top end of the combustion chamber;

the four flame paths 9 are positioned above the combustion chamber, a first air blower 5 is arranged on one side of the feeding mechanism, and an air inlet of the first air blower 5 draws outside air into the flame paths 9, so that a three-stage combustion chamber is formed in the flame paths 9;

install the self-slag removal device 23 inside chassis 26, and:

the flue gas purifying mechanism is arranged at one side of the case 26, and the air outlet of the flue gas purifying mechanism is communicated with the flame path 9;

wherein, a plurality of heated pipes 10 are arranged in the flame path 9, two ends of the heated pipes 10 are communicated with air cavities 11, and the air cavities 11 are positioned around the flame path 9;

the four flame paths 9 form a loop.

In this embodiment, specific: an observation window 7 is embedded on the outer side of the combustion chamber.

In this embodiment, specific: the slag box 24 for collecting slag and the slag removing port for discharging slag are arranged below the side of the automatic slag removing device and below the primary combustion chamber.

In this embodiment, specific: the flue gas purification mechanism comprises an induced draft fan 13 arranged at one side of the case 26 and used for guiding the flow direction of flue gas, a flue gas purifier 15 connected with the induced draft fan 13 through an induced draft pipe 14, and a flue gas discharge pipe 16 used for discharging purified flue gas.

In this embodiment, specific: a second blower 17 is installed on one side of the case 26, an air inlet of the second blower 17 is communicated with the air cavity 11, an air outlet of the second blower 17 is communicated with a hot air outlet 18, and one end of the hot air outlet 18 is communicated with a hot air conveying pipe 19.

In this embodiment: a feed hopper 1 is arranged above the spiral feed pipe 22, a motor 3 is a small motor and is arranged on the left side of the spiral feed pipe 22, the spiral feed pipe 22 is driven to work through a driving wheel 4 and a driving chain, and a first blower 55 is arranged in front of the lower part of the spiral feed pipe 2 and blows air to support combustion for the primary combustion chamber 6 and the secondary combustion chamber 8; the primary combustion chamber 6 is arranged on the right side of the spiral feeding pipe 2 and is provided with an observation window 7; the secondary combustion chamber 8 is arranged above the primary combustion chamber 6, and is communicated with the primary combustion chamber 6, and a plurality of air supply and oxygen supplementing holes are formed in the cavity wall at the top end of the secondary combustion chamber; a first flame path is arranged above the combustion chamber, and a second flame path, a third flame path and a fourth flame path are arranged in sequence, and each flame path 9 is provided with a plurality of heated pipes 10 which are arranged up and down; after the granular fuel is combusted in the combustion chamber, residual flue gas and particles are combusted for three times in the flame path 9 under the action of the first air blower 5, heat is directly supplied to the heated pipes 10, each heated pipe 10 is communicated with the front air cavity and the rear air cavity, and the four flame paths form a state of circular air supply and heating, so that heat is continuously supplied to the air cavities. The induced draft fan 13, the flue gas purifier 15, the second blower 17 and the hot air outlet 18 are all arranged on the back of the hot air furnace;

after the secondary purification treatment, the flue gas is sent to a tempering channel 9 for use; the first ash removal port 20 and the second ash removal port 21 are arranged at the bottom of the left side of the front surface of the case 26;

the right side of the motor 3 is provided with a bevel gear transmission mechanism for driving the automatic slag removing device 23 to work, the bevel gear transmission mechanism comprises a bevel gear 22 which rotates along with the motor 3 and a connecting piece for connecting the automatic slag removing device 23, the automatic slag removing device is arranged below the left side of the primary combustion chamber 6 and below the spiral feeding pipe 2, and the slag accumulating box 24 and a slag cleaning port are arranged below the primary combustion chamber 6; and an intelligent control board 25 is arranged above the front face of the primary combustion chamber 6. The motor 3, the bevel gear 22, the spiral feeding pipe 2, the primary combustion chamber 6 and other components are fixedly connected to a base 27 of a machine case 26, and universal wheels 28 are respectively arranged at four corners of the base 27.

In this embodiment: a fire cover top cover 12 is arranged above the fire channel 9.

In this embodiment: the heating pipe 10 used in the first flame path (positioned above the combustion chamber) of the biomass particle hot blast stove is made of high-temperature resistant carbon steel, the heating pipes 10 used in the second, third and fourth flame paths are made of high-temperature resistant aluminum materials, and the inner container of the combustion chamber is made of high-temperature resistant stainless steel.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. Biomass particle hot blast stove, comprising a housing (26), characterized in that it further comprises:

a motor (2) arranged inside the case (26) and a spiral feeding pipe which is driven by the motor (2) to feed spirally;

the combustion chamber is arranged in the machine case (26) and used for burning fuel, the combustion chamber comprises a first-stage combustion chamber (6) arranged on one side of the feeding mechanism and a second-stage combustion chamber (8) arranged above the first-stage combustion chamber (6), and a plurality of air supply and oxygen supplementing holes are formed in the cavity wall of the top end of the combustion chamber;

the four flame paths (9) are positioned above the combustion chamber, a first air blower (5) is arranged on one side of the feeding mechanism, and an air inlet of the first air blower (5) draws outside air into the flame paths (9) to form a three-stage combustion chamber in the flame paths (9);

an automatic slag removing device (23) arranged inside the case (26), and:

the flue gas purifying mechanism is arranged at one side of the case (26), and the air outlet of the flue gas purifying mechanism is communicated with the flame path (9);

the fire path (9) is internally provided with a plurality of heated pipes (10), two ends of each heated pipe (10) are communicated with an air cavity (11), and the air cavities (11) are positioned around the fire path (9);

four of the flame paths (9) form a loop.

2. The biomass particle stove of claim 1, wherein: an observation window (7) is embedded on the outer side of the combustion chamber.

3. The biomass particle stove of claim 1, wherein: the side lower part of the automatic slag removing device and the lower part of the primary combustion chamber are provided with slag accumulating boxes (24) for collecting slag and slag removing ports for discharging slag.

4. The biomass particle stove of claim 1, wherein: the flue gas purification mechanism comprises an induced draft fan (13) arranged on one side of the case (26) and used for guiding the flow direction of flue gas, a flue gas purifier (15) connected with the induced draft fan (13) through an induced draft pipe (14), and a flue gas discharge pipe (16) used for discharging purified flue gas.

5. The biomass particle stove of claim 1, wherein: a second air blower (17) is arranged on one side of the case (26), an air inlet of the second air blower (17) is communicated with the air cavity (11), an air outlet of the second air blower (17) is communicated with a hot air outlet (18), and one end of the hot air outlet (18) is communicated with a hot air conveying pipe (19).

6. The biomass particle stove of claim 1, wherein: a first ash removing opening (20) and a second ash removing opening (21) are formed in one side of the front surface of the case (26).

7. The biomass particle stove of claim 1, wherein: the bottom of machine case (26) fixedly connected with base (27), and universal wheel (28) are all installed in the bottom four corners department of base (27).