CN219014298U

CN219014298U - Biomass combustion converter

Info

Publication number: CN219014298U
Application number: CN202223182278.4U
Authority: CN
Inventors: 李娜
Original assignee: Shandong Zhengxinde Environmental Protection Technology Development Co ltd
Current assignee: Shandong Zhengxinde Environmental Protection Technology Development Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-12
Anticipated expiration: 2032-11-29

Abstract

The utility model provides a biomass combustion converter which comprises a high-temperature furnace core, a furnace core outer sleeve, an inserting plate and a secondary air distribution ring, wherein the furnace core outer sleeve is in fit and sleeved on the outer surface of the high-temperature furnace core; the plugboard is movably connected with the bottom of the high-temperature furnace core or the bottom of the furnace core outer sleeve, can horizontally slide relative to the bottom of the high-temperature furnace core, and is provided with a plurality of primary air distribution holes; the secondary air distribution ring is in closed connection with the edge of the upper opening of the high-temperature furnace core, and a plurality of secondary air distribution holes are formed in the secondary air distribution ring along the circumferential direction of the secondary air distribution ring. According to the utility model, the fuel is gasified and ascended through the primary air distribution holes, the gasified fuel is prevented from escaping under the action of the high-temperature furnace core, and the fuel is subjected to pyrolysis and oxidization in sequence, so that the fuel is fully combusted under the action of the secondary air distribution holes, heat is fully accumulated in the flame part, the fuel is fully combusted, the heat is fully utilized, and the energy waste is avoided.

Description

Biomass combustion converter

Technical Field

The utility model relates to the technical field of civil heating furnaces, in particular to a biomass combustion converter.

Background

The principle of the biomass particle heating furnace is as follows: the biomass fuel contains very high volatile components, and when the temperature in the hearth reaches the precipitation temperature of the volatile components, the igniter fuel can be started to quickly ignite and burn under the condition of air supply. The flame after combustion contacts the water cooling wall, so that facilities such as an external water jacket and the like can be heated, flue gas enters a convection flue through a hearth to exchange heat, then enters a dust remover to carry out purification treatment, and finally is discharged to complete the whole combustion and heat transfer process.

The common civil heating stove directly heats and burns fuel, the air distribution is unreasonable in the combustion process, the fuel is insufficiently combusted, part of gasified fuel directly escapes, the heat value of the fuel is not fully released, and the flame temperature is low; also, partial gasified fuel is burnt prematurely, heat is mixed with flue gas and escapes, and the heat is not fully utilized to water jacket heating; therefore, the efficiency is low in heating heat value rate and cooking utilization. There is a certain energy waste problem in this process.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: in order to enable the fuel of the biomass heating furnace to burn more fully and make full use of heat, the utility model provides a biomass burning converter used in a hearth of the biomass heating furnace.

The technical scheme for solving the technical problems is as follows:

the utility model provides a biomass combustion converter which comprises a high-temperature furnace core, a furnace core outer sleeve, an inserting plate and a secondary air distribution ring, wherein the furnace core outer sleeve is in fit and sleeved on the outer surface of the high-temperature furnace core; the plugboard is movably connected with the bottom of the high-temperature furnace core or the bottom of the furnace core outer sleeve, can horizontally slide relative to the bottom of the high-temperature furnace core, and is provided with a plurality of primary air distribution holes; the secondary air distribution ring is in closed connection with the edge of the upper opening of the high-temperature furnace core, and a plurality of secondary air distribution holes are formed in the secondary air distribution ring along the circumferential direction of the secondary air distribution ring.

The beneficial effects of the utility model are as follows:

according to the utility model, the fuel is gasified and ascended through the primary air distribution holes, the gasified fuel is prevented from escaping under the action of the high-temperature furnace core, and the fuel is subjected to pyrolysis and oxidization in sequence, so that the fuel is fully combusted under the action of the secondary air distribution holes, heat is fully accumulated in the flame part, the fuel is fully combusted, the heat is fully utilized, and the energy waste is avoided.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the furnace core heat-insulating device also comprises a secondary air heat-insulating sleeve, wherein the secondary air heat-insulating sleeve is arranged around the furnace core outer sleeve, a secondary air channel is arranged between the secondary air heat-insulating sleeve and the furnace core outer sleeve at intervals, and the upper part of the secondary air channel is communicated with the secondary air distribution hole.

By adopting the further improvement, secondary air distribution enters from the lower part of the secondary air channel and rises along the secondary air channel, and heat released by fuel combusted in advance in the high-temperature furnace core is used for heating the secondary air through convection, so that the heat is conveniently and fully utilized, the flame temperature is improved, and the heat dissipation is reduced.

Further, the edge of the upper opening of the secondary air heat preservation sleeve is in closed connection with the upper part of the secondary air distribution ring.

The adoption further improves as above, is convenient for improve the secondary air distribution temperature, and then improves flame temperature, heat make full use of.

Further, the upper portion of secondary air distribution circle is equipped with the first flange limit of outside extension, and the upper portion of overgrate air insulation cover is equipped with the second flange limit, and first flange limit is closed with the laminating of second flange limit.

By adopting the further improvement, the upper part of the secondary air heat preservation sleeve and the upper part of the secondary air distribution ring are easy to be closed, and are not required to be fixedly connected, so that the secondary air heat preservation sleeve is convenient to assemble and disassemble.

Further, the first flange edge is attached to the surface of the second flange edge.

By adopting the further improvement, the furnace can be installed in the furnace through the second flange edge, and the whole furnace is supported, so that the installation is convenient.

Furthermore, two L-shaped fixing plates which are oppositely arranged are arranged at the bottom of the high-temperature furnace core or the bottom of the furnace core outer sleeve, a sliding groove is formed between the two L-shaped fixing plates which are oppositely arranged, and the plugboard is movably arranged in the sliding groove.

The adoption further improves above, and simple structure just conveniently controls the picture peg relative high temperature furnace core bottom horizontal slip.

Further, a pull rod frame is further arranged on the plugboard along the horizontal sliding direction of the plugboard.

The adoption further improves as above, is convenient for make the pull rod frame stretch out furnace, and convenient manual control reduces the cost.

Further, at least part of the secondary air distribution holes are deflected upwards or downwards along the axial direction of the secondary air distribution ring.

Further, the secondary air distribution holes which are deflected upwards or downwards are deflected along different angles.

By adopting the further improvement, the secondary air distribution is gradually mixed with the gasified fuel, the mixing uniformity is improved, and the fuel is promoted to be fully combusted.

Further, the secondary air distribution holes are uniformly distributed along the circumferential direction of the secondary air distribution ring, and all the secondary air distribution holes are arranged towards the axis of the high-temperature furnace core.

By adopting the further improvement, the secondary air distribution is mixed with the gasified fuel in all directions, the fuel and air at the center are promoted to be mixed, the mixing uniformity is improved, and the fuel is promoted to be fully combusted.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the present utility model installed in a furnace of a biomass heating furnace.

In the drawings, the technical features represented by the reference numerals are as follows:

1-a high temperature furnace core; 2-furnace core jacket; 3-inserting plates; 4-a primary air distribution hole; 5-a secondary air distribution ring; 6-a secondary air distribution hole; 7-secondary air insulation sleeve; 8-a secondary air channel; 9-a first flange edge; 10-a second flange edge; an 11-L-shaped fixing plate; 12-pull rod rack.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

The utility model is seen in fig. 1-2.

Embodiment one:

the utility model provides a biomass combustion converter which comprises a high-temperature furnace core 1, a furnace core outer sleeve 2, an inserting plate 3 and a secondary air distribution ring 5, wherein the furnace core outer sleeve 2 is in fit and sleeved on the outer surface of the high-temperature furnace core 1; the plugboard 3 is movably connected with the bottom of the high-temperature furnace core 1 or the bottom of the furnace core outer sleeve 2, the plugboard 3 can horizontally slide relative to the bottom of the high-temperature furnace core 1, and a plurality of primary air distribution holes 4 are formed in the plugboard 3; the secondary air distribution ring 5 is in closed connection with the edge of the upper opening of the high-temperature furnace core 1, and a plurality of secondary air distribution holes 6 are formed in the secondary air distribution ring 5 along the circumferential direction of the secondary air distribution ring.

The working principle of the utility model is as follows: as shown in fig. 2: the biomass combustion converter is arranged in a hearth of a biomass heating furnace for use, in the combustion process, solid fuel gradually falls into a high-temperature furnace core 1, the fuel is dried at a high temperature at the bottom of the high-temperature furnace core 1, gasified components in the fuel rise after being gasified under the action of primary air distribution, and are subjected to pyrolysis and oxidation in sequence, and the gasified components rise to the height of a secondary air distribution hole 6 and are mixed with secondary air distribution from the hearth for combustion, so that the combustion is sufficient through the secondary air distribution, flame is concentrated, gasified fuel does not have the opportunity to escape, heat is fully accumulated in a flame part, and external facilities such as a water jacket and the like can be fully heated. The plugboard 3 can horizontally move relative to the bottom of the high-temperature furnace core 1, when ash in the high-temperature furnace core 1 is accumulated to a certain extent, the plugboard 3 is horizontally pulled out, so that the ash quickly leaks to the bottom of the hearth, and then the plugboard 3 is pushed back, fuel can be continuously fed before the temperature of the hearth is obviously reduced, and continuous combustion can be realized.

In summary, the utility model gasifies and rises the fuel through the primary air distribution holes 4, avoids the gasified fuel from escaping under the action of the high-temperature furnace core 1, and is subjected to pyrolysis and oxidization in sequence, and finally the fuel is fully combusted under the action of the secondary air distribution holes 6, and the heat is fully accumulated in the flame part, thereby realizing the full combustion of the fuel, the full utilization of the heat and the energy waste.

Embodiment two:

in the above embodiment, the following modifications can also be made:

further, the furnace core heat preservation device also comprises a secondary air heat preservation sleeve 7, wherein the secondary air heat preservation sleeve 7 is arranged around the furnace core outer sleeve 2, a secondary air channel 8 is arranged between the secondary air heat preservation sleeve 7 and the furnace core outer sleeve 2 at intervals, and the upper part of the secondary air channel 8 is communicated with the secondary air distribution hole 6.

By adopting the further improvement, secondary air distribution enters from the lower part of the secondary air channel 8 and rises along the secondary air channel 8, and heat released by fuel combusted in advance in the high-temperature furnace core 1 is used for heating the secondary air through convection, so that the heat is conveniently and fully utilized, the flame temperature is improved, and the heat dissipation is reduced.

Further, the upper opening edge of the secondary air heat preservation sleeve 7 is in closed connection with the upper part of the secondary air distribution ring 5.

Further, a first flange edge 9 extending outwards is arranged on the upper portion of the secondary air distribution ring 5, a second flange edge 10 is arranged on the upper portion of the secondary air heat insulation sleeve 7, and the first flange edge 9 and the second flange edge 10 are attached and sealed.

By adopting the further improvement, the upper part of the secondary air heat preservation sleeve 7 and the upper part of the secondary air distribution ring 5 are easy to be closed, and are not required to be fixedly connected, so that the disassembly and the assembly are convenient.

Further, the first flange edge 9 is attached to the upper surface of the second flange edge 10.

With the further improvement, the furnace can be installed in the furnace through the second flange edge 10, and the whole furnace is supported, so that the installation is convenient.

Furthermore, two L-shaped fixing plates 11 which are oppositely arranged are arranged at the bottom of the high-temperature furnace core 1 or the bottom of the furnace core outer sleeve 2, a chute is formed between the two L-shaped fixing plates 11 which are oppositely arranged, and the plugboard 3 is movably arranged in the chute.

The adoption of the further improvement has simple structure, and the plugboard 3 is convenient to control to horizontally slide relative to the bottom of the high-temperature furnace core 1.

Further, the insert plate 3 is further provided with a pull rod frame 12 along the horizontal sliding direction thereof.

The adoption of the further improvement is convenient for the pull rod frame 12 to extend out of the hearth, is convenient for manual control and reduces the cost.

Further, at least part of the secondary air distribution holes 6 are inclined upwards or downwards along the axial direction of the secondary air distribution ring 5.

Further, the secondary air distribution holes 6 which are inclined upwards or downwards are inclined along different angles.

Further, the secondary air distribution holes 6 are uniformly distributed along the circumferential direction of the secondary air distribution ring 5, and all the secondary air distribution holes 6 are arranged towards the axis of the high-temperature furnace core 1.

In the description of the present utility model, it is to be understood that if descriptive terms indicating orientation, direction or positional relationship are present, such as: the directions or positional relationships indicated in the present specification are directions or positional relationships based on the drawings for convenience of understanding of the present utility model and for simplification of description, only, and do not indicate or imply that the parts, elements or integers referred to must have a specific direction, be constructed and operated in a specific direction, and thus are not to be construed as limiting the present utility model.

Further, if an order description term occurs, for example: "first," "second," etc. are used in this specification for convenience in understanding or simplifying the description, for example, in order to distinguish between a plurality of technical features that have the same type or function, but may have to be individually referred to, and this specification may be referred to by a prefix or suffix sequence description term. Thus, no indication or implication of relative importance or an implication of the number of technical features indicated is to be understood. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, if structural relative action description terms are used, for example: "mounted," "connected," "secured," and the like are to be construed broadly, unless otherwise specifically indicated and limited. For example, "mounted," "connected," etc., may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two elements or the interaction relationship between the two elements; the fixing can be integrated fixing or detachable fixing through a fastener; can be directly fixed or fixed through an intermediate medium. The specific meaning of the above descriptive terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances, the context in which it is located, the consistency of the context, etc.

In the present utility model, if a descriptive term containing an attached or connected meaning, e.g., a first feature "on" or "under" a second feature, is not to be interpreted in a limiting sense unless expressly stated or limited otherwise, e.g., the "on" or "under" can be either the direct contact of the first and second features or the indirect contact of the first and second features via an intermediary. The specific meaning of the above descriptive terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances, the context in which it is located, the consistency of the context, etc.

Further, a first feature "above," "over" and "on" a second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments, examples, and features of various embodiments, examples described in this specification may be combined and combined by persons skilled in the art without contradiction, and such combination or combination is intended to fall within the broad scope of the utility model.

While embodiments of the present utility model have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art in light of the disclosure herein set forth.

Claims

1. A biomass combustion converter, characterized by: the high-temperature furnace core comprises a high-temperature furnace core (1), a furnace core outer sleeve (2), an inserting plate (3) and a secondary air distribution ring (5), wherein the furnace core outer sleeve (2) is in fit with the outer surface of the high-temperature furnace core (1); the plugboard (3) is movably connected with the bottom of the high-temperature furnace core (1) or the bottom of the furnace core jacket (2), the plugboard (3) can horizontally slide relative to the bottom of the high-temperature furnace core (1), and a plurality of primary air distribution holes (4) are formed in the plugboard (3); the secondary air distribution ring (5) is in closed connection with the edge of the upper opening of the high-temperature furnace core (1), and a plurality of secondary air distribution holes (6) are formed in the secondary air distribution ring (5) along the circumferential direction of the secondary air distribution ring.

2. The biomass combustion converter according to claim 1, wherein: the furnace core heat preservation device further comprises a secondary air heat preservation sleeve (7), the secondary air heat preservation sleeve (7) is arranged around the furnace core outer sleeve (2), a secondary air channel (8) is arranged between the secondary air heat preservation sleeve (7) and the furnace core outer sleeve (2) at intervals, and the upper part of the secondary air channel (8) is communicated with the secondary air distribution hole (6).

3. The biomass combustion converter according to claim 2, wherein: the upper opening edge of the secondary air heat preservation sleeve (7) is in closed connection with the upper part of the secondary air distribution ring (5).

4. A biomass combustion converter according to claim 3, wherein: the upper portion of secondary air distribution circle (5) is equipped with first flange limit (9) of outside extension, and the upper portion of overgrate air insulation cover (7) is equipped with second flange limit (10), and first flange limit (9) are laminated with second flange limit (10) and are sealed.

5. The biomass combustion converter according to claim 4, wherein: the first flange edge (9) is attached to the upper surface of the second flange edge (10).

6. The biomass combustion converter according to claim 1, wherein: two L-shaped fixing plates (11) which are oppositely arranged are arranged at the bottom of the high-temperature furnace core (1) or the bottom of the furnace core outer sleeve (2), a sliding groove is formed between the two L-shaped fixing plates (11) which are oppositely arranged, and the plugboard (3) is movably arranged in the sliding groove.

7. The biomass combustion converter according to claim 6, wherein: the plugboard (3) is also provided with a pull rod frame (12) along the horizontal sliding direction of the plugboard.

8. The biomass combustion converter according to claim 1, wherein: at least part of the secondary air distribution holes (6) are upwards or downwards deflected along the axial direction of the secondary air distribution ring (5).

9. The biomass combustion converter according to claim 8, wherein: the secondary air distribution holes (6) which are deflected upwards or downwards are deflected along different angles.

10. The biomass combustion converter according to claim 1, wherein: the secondary air distribution holes (6) are uniformly distributed along the circumferential direction of the secondary air distribution ring (5), and all the secondary air distribution holes (6) are arranged towards the axis of the high-temperature furnace core (1).