CN216614534U

CN216614534U - Gasification furnace

Info

Publication number: CN216614534U
Application number: CN202220315086.7U
Authority: CN
Inventors: 张爱民
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-05-27
Anticipated expiration: 2032-02-16

Abstract

The utility model provides a gasification furnace, and relates to the field of coal gasification equipment. A gasification furnace comprises a first furnace shell and a furnace body with a combustion chamber; the first furnace shell is fixedly connected with the furnace body; a partition plate is arranged in the first furnace shell, the partition plate divides the interior of the furnace shell into an upper chamber and a lower chamber for storing water, the furnace body is positioned in the lower chamber, and the upper chamber is communicated with the combustion chamber so that flames and smoke enter the upper chamber; a smoke guide channel is arranged in the lower cavity, a smoke inlet of the smoke guide channel is communicated with the upper cavity, and a first smoke outlet of the smoke guide channel is positioned on the outer wall of the first furnace shell. The utility model provides a gasification furnace, which can fully utilize smoke generated by combustion and the heat of a furnace body, thereby heating water and improving the heat utilization efficiency of the gasification furnace.

Description

Gasification furnace

Technical Field

The utility model relates to the field of coal gasification equipment, in particular to a gasification furnace.

Background

The gasification furnaces are common combustion appliances in daily life and mainly comprise furnace bodies and firewood adding openings at the bottoms of the furnace bodies, cookers such as kettles, pots and the like can be placed at the upper ends of the furnace bodies and used for cooking food, and upper covers are further arranged at the upper ends of some gasification furnaces and used for covering furnace fire to prevent the furnace fire from being sprayed all around.

At present, gasification furnaces on the market ignore the recycling of furnace body heat and flue gas heat, cause a large amount of resource waste, and greatly reduce the heat utilization efficiency of the gasification furnaces.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gasification furnace, which can fully utilize smoke generated by combustion and the heat of a furnace body, thereby heating water and improving the heat utilization efficiency of the gasification furnace.

The embodiment of the utility model is realized by the following steps:

the embodiment of the application provides a gasification furnace, which comprises a first furnace shell and a furnace body with a combustion chamber; the first furnace shell is fixedly connected with the furnace body; a partition plate is arranged in the first furnace shell, the partition plate divides the interior of the furnace shell into an upper chamber and a lower chamber for storing water, the furnace body is positioned in the lower chamber, and the upper chamber is communicated with the combustion chamber so that flames and smoke enter the upper chamber; a smoke guide channel is arranged in the lower cavity, a smoke inlet of the smoke guide channel is communicated with the upper cavity, and a first smoke outlet of the smoke guide channel is positioned on the outer wall of the first furnace shell.

In some embodiments of the present invention, the second furnace casing is disposed outside the first furnace casing, the first furnace casing and the second furnace casing jointly define a smoke guiding chamber, the outer wall of the second furnace casing is provided with a second smoke outlet, and a chimney is disposed at the second smoke outlet.

In some embodiments of the utility model, the furnace body further comprises a base, wherein the base is fixedly connected with the furnace body; one end of the base, which is far away from the furnace body, is provided with a supporting piece, the supporting piece is fixedly connected with the base, and the supporting piece is provided with universal wheels.

In some embodiments of the present invention, a plurality of first water pipes are disposed at an upper portion of the combustion chamber, and the plurality of first water pipes are all communicated with the lower chamber.

In some embodiments of the utility model, one end of the furnace body, which is far away from the partition plate, is provided with a plurality of second water pipes, and the plurality of second water pipes are communicated with the lower cavity; the second water pipes are arranged at intervals.

In some embodiments of the present invention, a flue gas circulation pipe is disposed on the outer wall of the furnace body along the vertical direction, and both ends of the flue gas circulation pipe are communicated with the combustion chamber.

In some embodiments of the present invention, the outer wall of the furnace body is provided with a plurality of air ducts, one end of each of the plurality of air ducts is communicated with the combustion chamber, and the other end of each of the plurality of air ducts is communicated with the atmosphere.

In some embodiments of the utility model, the upper part of the furnace body is in a shape of a conical boss.

In some embodiments of the utility model, the first furnace shell is provided with a water inlet at the upper part and a water outlet at the lower part, and the water inlet and the water outlet are both communicated with the lower chamber.

In some embodiments of the utility model, a slag box is arranged on one side of the base, which is far away from the partition plate, and the slag box is detachably connected with the base.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the utility model provides a gasification furnace, which comprises a first furnace shell and a furnace body with a combustion chamber, wherein a partition plate is arranged in the first furnace shell, the partition plate divides the interior of the furnace shell into an upper chamber and a lower chamber for storing water, the furnace body is positioned in the lower chamber, the upper chamber is communicated with the combustion chamber, and flue gas and flames generated by combustion in the furnace body enter the upper chamber; the lower cavity is internally provided with a smoke guide channel which is communicated with the upper cavity, smoke of the upper cavity flows out of the smoke guide pipeline, and the smoke guide channel is positioned in the lower cavity, so that the smoke passing through the smoke guide channel can heat water in the lower cavity. Meanwhile, because the lower cavity is positioned at the periphery of the furnace body, the water in the lower cavity can be heated by the heat of combustion in the furnace body, and the water in the lower cavity can also reduce the heat loss of the furnace body, so that the furnace body has a heat preservation effect. Through setting up the lower cavity that leads the cigarette passageway and be used for the water storage, the flue gas that can make full use of burning production and the heat of furnace body itself to add hot water, improved the heat utilization efficiency of gasifier greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a first schematic sectional view of a gasification furnace according to embodiment 1 of the present invention;

FIG. 2 is a schematic cross-sectional view taken at A in FIG. 1;

FIG. 3 is a schematic sectional view of a gasification furnace according to embodiment 1 of the present invention;

FIG. 4 is a schematic sectional view of a gasification furnace according to embodiment 2 of the present invention;

fig. 5 is a plan view of a gasification furnace according to embodiment 2 of the present invention.

Icon: 100-furnace body, 110-first water pipe, 120-flue gas circulating pipe, 130-second water pipe, 140-combustion chamber, 150-gas guide pipe, 200-first furnace shell, 210-partition plate, 220-upper chamber, 230-lower chamber, 240-water inlet, 250-water outlet, 300-smoke guide pipe, 310-smoke inlet, 320-first smoke outlet, 400-cover plate, 410-circular opening, 500-base, 510-supporting piece, 520-universal wheel, 600-second furnace shell, 610-second smoke outlet, 620-chimney, 630-smoke guide chamber, 700-firewood adding channel, 800-cooker.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "vertical", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of describing the present invention and simplifying the description, but the indication or the suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "vertical" or the like, if present, does not require that the components be perfectly vertical, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a first schematic sectional view of a gasification furnace according to embodiment 1 of the present invention; fig. 2 is a schematic sectional view at a point a in fig. 1, and fig. 3 is a schematic sectional view of a gasification furnace according to embodiment 1 of the present invention.

Referring to fig. 1, the present embodiment provides a gasification furnace, which includes a first furnace shell 200 and a furnace body 100 having a combustion chamber 140, wherein the first furnace shell 200 is fixedly connected to the furnace body 100; a partition plate 210 is arranged in the first furnace shell 200, the partition plate 210 divides the interior of the furnace shell into an upper chamber 220 and a lower chamber 230 for storing water, the furnace body 100 is positioned in the lower chamber 230, and the upper chamber 220 is communicated with the combustion chamber 140 so as to enable flames and flue gas to enter the upper chamber 220; a smoke guide channel is arranged in the lower chamber 230, a smoke inlet 310 of the smoke guide channel is communicated with the upper chamber 220, and a first smoke outlet 320 of the smoke guide channel is positioned on the outer wall of the first furnace shell 200. A part of the flue gas generated by combustion in the furnace body 100 enters the upper chamber 220 and then enters the smoke guide channel through the first smoke inlet 310, and because the smoke guide channel is located in the lower chamber 230, the part of the flue gas passing through the smoke guide channel can heat the water in the lower chamber 230. Meanwhile, because the lower chamber 230 is located at the periphery of the furnace body 100, the water in the lower chamber 230 can be heated by the heat of combustion inside the furnace body 100, so that the flue gas and the waste heat of the furnace body 100 can be fully utilized.

Referring to fig. 3, in the embodiment, the firewood adding openings are formed in the furnace body 100 and the first furnace shell 200, the firewood adding opening in the first furnace shell 200 is larger than the firewood adding opening in the furnace body 100, and the firewood adding openings in the furnace body 100 and the first furnace shell 200 form a firewood adding passage 700, so that firewood adding is more convenient, and the water storage performance of the lower chamber 230 is not affected.

Referring to fig. 1, in the present embodiment, the furnace body further includes a base 500, the base 500 is fixedly connected to the furnace body 100, a supporting member 510 is disposed at an end of the base 500 away from the furnace body 100, the supporting member 510 is fixedly connected to the base 500, and the furnace body 100, the base 500 and the supporting member 510 are all fixedly connected, so that the furnace body is more convenient to use without secondary assembly. And the supporting member 510 is provided with a universal wheel 520, and a braking member is further provided on the universal wheel 520 for fixing the universal wheel 520 to fix the entire gasification furnace. So, comparatively laborsaving when promoting whole gasifier, when needs are fixed, use the brake spare can be fixed it, it is very convenient to use.

It should be noted that the universal wheel 520 in this embodiment can be directly purchased in the market. In other embodiments, the universal wheels 520 may not be used.

Referring to fig. 1, in the present embodiment, 3 first water pipes 110 are disposed at the upper portion of the combustion chamber 140, and all of the 3 first water pipes 110 are communicated with the lower chamber 230. In this way, the water in the lower chamber 230 can be introduced to the upper portion of the combustion chamber 140 to be heated.

It should be noted that in other embodiments, the number of the first water pipes 110 may be other, for example, 2, 4, etc.

Referring to fig. 1, in the present embodiment, the bottom of the furnace body 100 is hollowed out, so that the combustion chamber 140 is communicated with the atmosphere, one end of the furnace body 100 away from the partition plate 210 is provided with 6 second water pipes 130, the 6 second water pipes 130 are all communicated with the lower chamber 230, and the 6 second water pipes 130 are arranged at intervals. The 6 second water pipes 130 are arranged at intervals to allow air to enter the combustion chamber 140, so that combustion can be more sufficient. Simultaneously, 6 second water pipe 130 have also acted as the effect of grate, and the direct burning on second water pipe 130 of firewood fire directly heats second water pipe 130, and heating efficiency is high.

It should be noted that in other embodiments, the number of the second water pipes 130 may be other numbers, for example, 6, 7, etc.

Referring to fig. 1 and 2, in the present embodiment, a flue gas circulation pipe 120 is disposed on an outer wall of the furnace body 100 along a vertical direction, and both ends of the flue gas circulation pipe 120 are communicated with the combustion chamber 140. The propagation direction of the flue gas is determined according to the propagation direction of the air, and a part of the flue gas flows back to the bottom of the combustion chamber 140 through the flue gas circulating pipe 120 to perform secondary combustion, so that the combustion is more sufficient, and the pollution to the air is reduced.

Referring to fig. 1 and 2, in the present embodiment, 2 air ducts 150 are disposed on the outer wall of the furnace body 100, one end of each of the 2 air ducts 150 is communicated with the combustion chamber 140, and the other end is communicated with the atmosphere. Air enters the furnace body 100 through the air duct 150, so that the furnace body 100 has enough air therein and the combustion is more sufficient.

It should be noted that the number of the gas ducts 150 is not limited in the gasification furnace provided by the present invention, and in other embodiments, a plurality of gas ducts 150 may be provided.

Referring to fig. 1, in the present embodiment, the upper portion of the furnace body 100 is in the shape of a conical boss. This configuration enables the flame to be more concentrated at the upper portion of the combustion chamber 140.

In this embodiment, a ash box (not shown) is disposed on a side of the base 500 away from the partition plate 210, and the ash box is detachably connected to the base 500. The ash slag generated by the combustion of the firewood can directly fall into the ash slag box, so that the cleaning is convenient. During combustion, in order to ensure that more air enters the furnace body 100, the ash box is generally detached and placed on the ground, and the ash box can also perform the collecting function. When not in use, the utility model can be mounted on the base 500, thus the operation and the use are more convenient.

Referring to fig. 1, in the present embodiment, a water inlet 240 is disposed at an upper portion of the first furnace casing 200, a water outlet 250 is disposed at a lower portion of the first furnace casing 200, and both the water inlet 240 and the water outlet 250 are communicated with the lower chamber 230. The water inlet 240 facilitates the addition of water and the water outlet 250 facilitates the utilization of water in the lower chamber 230. It should be noted that, for convenience of use, both the water inlet 240 and the water outlet 250 can be connected to a water pipe and a water tap, so as to facilitate water inlet and outlet.

In use, water is first added to the lower chamber 230 from the water inlet 240 of the first furnace shell 200 to ensure that there is sufficient water in the lower chamber 230. Then, the firewood is added into the combustion chamber 140 in the furnace body 100 from the firewood adding pipeline, the firewood is ignited, the ash residue box is detached, and the gasification furnace can work. The firewood feeding port can be opened at any time in the midway for firewood feeding.

A cover plate 400 is generally disposed on the top of the first casing 200, a circular opening 410 is disposed on the cover plate 400, and a pot is placed on the circular opening 410 for cooking. A portion of the smoke generated by the combustion enters the upper chamber 220, and due to the close fit of the pot with the circular opening 410, the portion of the smoke enters the smoke guide duct 300 through the first smoke inlet 310 and is then discharged from the first smoke outlet 320. Because the smoke guide channel is located in the lower chamber 230, the residual heat of the part of smoke entering the smoke guide channel 300 can heat the water in the lower chamber 230; and a part of the flue gas flows back to the bottom of the combustion chamber 140 through the flue gas circulating pipe 120 for secondary combustion, so that the combustion is more complete. So, when cooking, the heat of flue gas and furnace body 100 heats water, and the water in lower chamber 230 can reduce the thermal scattering and disappearing of furnace body 100 again, has promoted the availability factor of gasifier greatly. After the ash box is used, the residue of the ash box is disposed. The hot water in the lower chamber 230 can be kept warm for a long time, and the water can be used for washing dishes, showering and the like, so that the use is very convenient.

Example 2

Referring to fig. 4 and 5, fig. 4 is a schematic cross-sectional view of a gasification furnace according to embodiment 2 of the present invention; fig. 5 is a plan view of a gasification furnace according to embodiment 2 of the present invention.

Referring to fig. 4 and 5, in the present embodiment, on the basis of embodiment 1, a gasification furnace is further provided, which further includes a second furnace casing 600, the second furnace casing 600 is disposed outside the first furnace casing 200, the first furnace casing 200 and the second furnace casing 600 together define a smoke guiding chamber 630, a second smoke outlet 610 is disposed on an outer wall of the second furnace casing 600, and a chimney 620 is disposed at the second smoke outlet 610. The flue gas enters the flue gas guiding chamber 630 after passing through the flue gas guiding pipe 300, and the flue gas guiding chamber 630 is located outside the lower chamber 230, so that the flue gas waste heat can be more fully utilized, and further the water is heated. In addition, the smoke guide chamber 630 has a heat preservation function on water in the lower chamber 230, and energy waste is greatly reduced. After the flue gas passes through the smoke guiding pipeline 300 and the smoke guiding chamber 630 for two cycles, the temperature is reduced, so that the temperature of the outer wall of the second furnace shell 600 is also lower, and the user cannot be scalded. Because the second furnace shell 600 has the effects of heat preservation and heat insulation, a protective screen or fireproof heat insulation cotton does not need to be added outside the gasification furnace, and the cost is saved.

Referring to fig. 4, on the basis of embodiment 1, a water inlet pipe is disposed at a water inlet 240 of the outer wall of the first furnace shell 200, and the water inlet pipe penetrates through the second furnace shell 600; a water outlet pipeline is arranged at the water outlet 250 of the outer wall of the first furnace shell 200 and penetrates through the second furnace shell 600. Thus, the water storage performance of the lower chamber 230 can be ensured, the smoke guiding function of the smoke guiding chamber 630 can not be influenced, and water adding and water using are facilitated.

Referring to fig. 4, unlike embodiment 1, one end of the first water pipe 110 is closed, and the other end is communicated with the lower chamber 230, so that the water in the lower chamber 230 can be guided to the upper part of the combustion chamber 140 for heating.

In summary, the embodiments of the present invention have at least the following advantages or beneficial effects:

the utility model provides a gasification furnace, which comprises a furnace body 100 with a combustion chamber 140 and a first furnace shell 200, wherein the furnace body 100 is arranged in the first furnace shell 200, and the first furnace shell 200 is fixedly connected with the furnace body 100; a partition plate 210 is arranged in the first furnace shell 200, the partition plate 210 divides the interior of the furnace shell into an upper chamber 220 and a lower chamber 230 for storing water, the furnace body 100 is positioned in the lower chamber 230, and the upper chamber 220 is communicated with the combustion chamber 140 so as to enable flames and flue gas to pass through; a smoke guide channel is arranged in the lower chamber 230, a smoke inlet 310 of the smoke guide channel is communicated with the upper chamber 220, and a first smoke outlet 320 of the smoke guide channel is positioned on the outer wall of the first furnace shell 200. A part of flue gas generated by combustion in the furnace body 100 flows back to the bottom of the furnace body 100 through the flue gas circulating pipe 120 for secondary combustion, so that the combustion is more sufficient; a portion of the smoke enters the upper chamber 220 and then enters the smoke guiding channel through the first smoke inlet 310, and since the smoke guiding channel is located in the lower chamber 230, the water in the lower chamber 230 can be heated by the portion of the smoke passing through the smoke guiding channel. Meanwhile, because the lower chamber 230 is located at the periphery of the furnace body 100, the heat of combustion inside the furnace body 100 can also heat the water in the lower chamber 230, and the water in the lower chamber 230 can also reduce the heat loss of the furnace body 100, so that the furnace body has a heat preservation effect. The gasification furnace provided by the utility model can fully utilize the flue gas generated by combustion and the heat of the furnace body 100, so as to heat water, and greatly improve the heat utilization efficiency of the gasification furnace.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The gasification furnace is characterized by comprising a first furnace shell and a furnace body with a combustion chamber;

the first furnace shell is fixedly connected with the furnace body;

a partition plate is arranged in the first furnace shell, the partition plate divides the interior of the furnace shell into an upper chamber and a lower chamber for storing water, the furnace body is positioned in the lower chamber, and the upper chamber is communicated with the combustion chamber so that flames and flue gas enter the upper chamber;

the lower chamber is internally provided with a smoke guide channel, a smoke inlet of the smoke guide channel is communicated with the upper chamber, and a first smoke outlet of the smoke guide channel is positioned on the outer wall of the first furnace shell.

2. The gasification furnace according to claim 1, further comprising a second furnace shell, wherein the second furnace shell is disposed outside the first furnace shell, the first furnace shell and the second furnace shell jointly define a smoke guiding chamber, a second smoke outlet is disposed on an outer wall of the second furnace shell, and a chimney is disposed at the second smoke outlet.

3. The gasification furnace according to claim 1, further comprising a base, wherein the base is fixedly connected with the furnace body, a support member is arranged at one end of the base, which is far away from the furnace body, the support member is fixedly connected with the base, and the support member is provided with universal wheels.

4. The gasification furnace according to claim 1, wherein a plurality of first water pipes are arranged at the upper part of the combustion chamber, and are communicated with the lower chamber.

5. The gasification furnace according to claim 1, wherein one end of the furnace body, which is far away from the partition plate, is provided with a plurality of second water pipes, and the plurality of second water pipes are communicated with the lower chamber; the second water pipes are arranged at intervals.

6. The gasification furnace according to claim 1, wherein a flue gas circulation pipe is arranged on the outer wall of the furnace body along the vertical direction, and both ends of the flue gas circulation pipe are communicated with the combustion chamber.

7. The gasification furnace according to claim 1, wherein a plurality of gas-guide tubes are arranged on the outer wall of the furnace body, one end of each gas-guide tube is communicated with the combustion chamber, and the other end of each gas-guide tube is communicated with the atmosphere.

8. The gasification furnace according to claim 1, wherein the upper part of the furnace body is in the shape of a conical boss.

9. The gasification furnace according to claim 1, wherein a water inlet is arranged at the upper part of the first furnace shell, a water outlet is arranged at the lower part of the first furnace shell, and the water inlet and the water outlet are both communicated with the lower chamber.

10. The gasification furnace according to claim 3, wherein a slag box is arranged on one side of the base, which is far away from the partition plate, and the slag box is detachably connected with the base.