CN222256785U - A spiral tube coil water-cooled wall type small household coal-fired heating stove - Google Patents
A spiral tube coil water-cooled wall type small household coal-fired heating stove Download PDFInfo
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- CN222256785U CN222256785U CN202421050816.0U CN202421050816U CN222256785U CN 222256785 U CN222256785 U CN 222256785U CN 202421050816 U CN202421050816 U CN 202421050816U CN 222256785 U CN222256785 U CN 222256785U
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- furnace body
- wall
- combustion chamber
- distribution device
- coal
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 35
- 238000002485 combustion reaction Methods 0.000 claims abstract description 56
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000001301 oxygen Substances 0.000 claims abstract description 43
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000003245 coal Substances 0.000 claims abstract description 35
- 238000010411 cooking Methods 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
The utility model relates to a spiral pipe ring type water-cooled wall domestic small coal-fired heating furnace, which comprises a furnace body, wherein the inside of the furnace body comprises a coal storage bin, a combustion chamber and a receiving cavity, the inner wall of the furnace body is connected with a grate, the grate is positioned below the coal storage bin and the combustion chamber, the receiving cavity is arranged above the receiving cavity, a plate type secondary oxygen distribution device is arranged between the coal storage bin and the combustion chamber to separate the coal storage bin from the combustion chamber, the inside of the combustion chamber is connected with a secondary oxygen distribution device, a fire baffle plate and a cooking and heating switching plate, the upper end surface of the furnace body is provided with a charging hole, a cooking hole, a chimney hole and a hot water outlet, the charging hole is positioned at the upper end of the coal storage bin, the cooking hole is positioned at the upper end of the combustion chamber, the front, the back, the left, the right and the periphery of the inside of the furnace body are connected with spiral pipe ring type water-cooled pipe, the left side outer wall of the furnace body is connected with an air distribution hole, the back side of the furnace body is provided with a cold water inlet and an explosion-proof valve, the right side outer wall of the furnace grate is connected with a fire grate operation rod, a cooking and heating switching plate operation rod, and the like.
Description
Technical Field
The utility model belongs to the technical field of heating furnaces, and particularly relates to a spiral pipe ring water-cooled wall type household small coal-fired heating furnace.
Background
The coal-fired heating stove has wide application in rural self-building winter heating, but the traditional coal-fired stove has smaller combustion chamber, low heat efficiency, high operation frequency in the working process, large difference of output power day and night and easy environmental pollution. Therefore, we propose a small-sized coal-fired heating stove for a spiral pipe ring type water-cooled wall household.
Disclosure of utility model
Aiming at the problems existing in the technology, the utility model provides the spiral pipe ring water-cooled wall type household small coal-fired heating furnace, solves the problems that the traditional coal-fired furnace has smaller hearth, insufficient coal combustion and easy environmental pollution, has low heat efficiency and high operation frequency, particularly has unstable heat efficiency output in day and night, and creates conditions for constant-temperature heating of rural self-built houses in day and night.
The utility model relates to a spiral pipe ring type water-cooled wall household small-sized coal-fired heating furnace, which has the technical scheme that:
On the basis of not enlarging the furnace body structure, the heat exchange area is increased, and the path of the heat medium in the furnace body is prolonged, so that the time of the heat medium in the furnace body is prolonged, the heat exchange time is increased, the water temperature is increased, and the aim of improving the heat efficiency is fulfilled. The utility model comprises a furnace body and a chimney, wherein the furnace body comprises a combustion chamber, a coal storage bin and a receiving cavity, the inner wall of the furnace body is connected with a grate, the grate is positioned between the coal storage bin and the combustion chamber and between the coal storage bin and the receiving cavity, and the combustion chamber is internally connected with a secondary oxygen distribution device I, a secondary oxygen distribution device II and a secondary oxygen distribution device III, a fire baffle plate and a cooking and heating switching plate. The secondary oxygen distribution device I, the secondary oxygen distribution device II and the secondary oxygen distribution device III all penetrate through the outer wall of the furnace body to form an air distribution port I, the air distribution port II and the air distribution port III, a charging port is formed in the upper end face of the furnace body, a cooking port is formed in the upper end of a chimney port and a hot water outlet, the charging port is located at the upper end of a coal storage bin, the cooking port is located at the upper end of a combustion chamber, a spiral pipe ring type water cooling pipe is connected to the periphery inside the furnace body, refractory clay is coated on the outer wall of the spiral pipe ring type water cooling pipe, the spiral pipe ring type water cooling pipe penetrates through the outer wall of the furnace body to be connected with the hot water outlet and the cold water inlet, the hot water outlet of the outer wall of the furnace body is connected with a heat dissipation device through a pipeline, a fire baffle is located at the lower part of the chimney port, a cooking and heating switching baffle is located at the upper end of the combustion chamber, the secondary oxygen distribution device I is arranged between the charging port and the combustion chamber, the secondary oxygen distribution device II is installed right above the combustion chamber, the hot water outlet is connected to the inner side of the chimney through a pipeline, and the secondary oxygen distribution device III is installed right below the chimney.
Further, the left side of the outer wall of the furnace body is connected with an air distribution port I, an air distribution port II and an air distribution port III.
Further, the combustion chamber is internally connected with a fire guiding assembly, the fire guiding assembly comprises a fire baffle, a cooking and heating switching baffle and a secondary oxygen distribution device III, the fire baffle is connected with the furnace body, the cooking and heating switching baffle penetrates through the furnace body, an operating rod is externally switched, the secondary oxygen distribution device penetrates through the furnace body, and an air distribution port is externally arranged.
Further, a receiving hopper is arranged in the receiving cavity.
Compared with the prior art, the utility model has the following beneficial effects:
1. The spiral pipe ring type water-cooled wall and the secondary oxygen distribution device effectively realize the effects of full heat absorption and full coal combustion, perform multistage oxygen distribution combustion treatment on part of generated flue gas and residue ash, reduce the air pollution caused by the discharged flue gas, greatly improve the utilization rate of coal, save coal resources, realize balanced output efficiency and basically achieve full-period constant-temperature output.
2. The utility model increases the heat exchange area again through the spiral water cooling pipe arranged in the chimney, prolongs the heat exchange time, creates conditions for improving the water temperature, and further can improve the heat efficiency.
3. According to the utility model, through the multistage secondary oxygen distribution device, conditions are created for realizing full combustion of coal, so that the heat efficiency is improved, and the purposes of energy conservation and emission reduction are achieved.
Drawings
FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view provided by an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a secondary oxygen distribution device III according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a secondary oxygen distribution device II according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a secondary oxygen distribution device I according to an embodiment of the present utility model;
FIG. 6 is a partial cross-sectional view of a fire viewing port according to the present utility model;
FIG. 7 is a rear view of the furnace body of the present utility model;
FIG. 8 is a right side view of the furnace body of the present utility model;
FIG. 9 is a left side view of the furnace body of the present utility model;
In the figure, a furnace body 1, a coal storage bin 2, a combustion chamber 3, a chimney 4, a fire hole 5, a charging hole 6, a secondary oxygen distribution device I7, a secondary oxygen distribution device II, a fire grate 9, a material receiving cavity 10, a fire baffle 11, a cooking and heating switching baffle 12, a hot water outlet 13, a cold water inlet 14, a spiral water cooling pipe 15, a secondary oxygen distribution device III 16, a cooking hole 17, an air distribution port I18, an explosion-proof valve 19, an air distribution port II, an air distribution port III 21, fire-proof glass 22, a cooking and heating switching plate operating rod 23 and a fire grate operating rod 24.
Detailed Description
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the novel spiral pipe water-cooled wall type household small coal-fired heating furnace comprises a furnace body 1, wherein the furnace body 1 comprises a combustion chamber 3, a coal storage bin 2 and a receiving cavity 10, the inner wall of the furnace body 1 is connected with a grate 9, and the grate 9 is positioned between the coal storage bin 2, the combustion chamber 3 and the receiving cavity 10 and is used for removing combustion wastes. The combustion chamber 3 is internally connected with a secondary oxygen distribution device, namely a secondary oxygen distribution device I7, a secondary oxygen distribution device II 8 and a secondary oxygen distribution device III 16, which are used for distributing oxygen at different positions in the combustion chamber so as to achieve the purpose of full combustion.
The secondary oxygen distribution device I7 is arranged between the coal storage bin 2 and the combustion chamber 3 and is in a plate wall type ventilation structure, the secondary oxygen distribution device II 8 is arranged right above the combustion chamber and is in a cylindrical ventilation structure, the secondary oxygen distribution device III 16 is arranged right below a chimney opening behind the combustion chamber and is in a cylindrical ventilation structure, and air distribution ports I18, II20 and III21 are all arranged through the outer wall of the furnace body and are used for controlling air quantity required by all parts.
The upper end face of the furnace body 1 is provided with a charging hole 6, a cooking hole 17, a chimney hole 22 and a hot water outlet 13, the cooking hole 17 is positioned right above the combustion chamber 3, the periphery of the furnace body 1 is connected with a spiral water cooling pipe 15, the spiral pipe coil type water cooling pipe 15 in the furnace body penetrates through the outer wall of the furnace body 1 to be connected with the hot water outlet 13, the hot water outlet 3 is connected with the spiral pipe coil type water cooling pipe 15 in the chimney through a pipeline, and the spiral type water cooling pipe 15 in the chimney is connected with heat dissipation equipment through a pipeline to realize hot water output, for example, the heat dissipation equipment is a radiator or floor heating. The chimney is also provided with a fire observation hole 5 (fireproof glass 22 is also arranged at the fire observation hole) which is used for observing the content of smoke in the chimney so as to adjust the size of each air distribution opening and control the air inlet quantity, thereby achieving the purpose of full combustion. The cold water outlet 14 is connected with a heat dissipation system through a pipeline, and is used for enabling the cold water after heat supply to enter the furnace body for reheating, and the explosion-proof valve 19 protects the furnace body when the pressure is too high under abnormal conditions. The fire baffle 11 is positioned at the lower part of the chimney mouth and is connected with the furnace body 1. The fire grate operating rod 24 is arranged at the right side of the furnace body and connected with the fire grate for removing combustion wastes, the cooking and heating switching plate operating rod 25 penetrates through the furnace body and is arranged at the right side of the furnace body for switching cooking and heating modes, and refractory clay is coated on the outer wall of the spiral pipe ring type water cooling pipe 15 in the furnace body 1 and is used for separating coal from the water cooling pipe, so that the temperature of a hearth is increased, and the corrosion of coal to the water cooling pipe is reduced.
Working principle:
When the coal storage bin is in operation, coal is placed into the coal storage bin 2 and the combustion chamber 3, after ignition, air enters the combustion chamber 3 through the bottom grate and is mixed with the coal for combustion, and when the coal in the combustion chamber 3 is combusted, the coal in the coal storage bin slowly enters the combustion chamber. The mixture which is not fully combusted is mixed with the air which is guided into the combustion chamber 3 through the secondary oxygen distribution baffle 7 for secondary combustion, so that the combustion is further perfected, the unburned mixture is mixed with the air which enters the combustion chamber through the secondary oxygen distribution device 16 arranged below the chimney mouth for secondary combustion, the combustion is more complete, the emission of pollutants is effectively prevented, the combustion efficiency of coal is improved, and the combustion is fully performed. The arrangement of the spiral pipe ring type water cooling pipe 15 can effectively enlarge the heat exchange area, prolong the heat exchange time of water in the furnace body, improve the water temperature (compared with the existing plate type water cooling wall heating furnace, under the condition of the same volume and the same fuel, the longer the heat medium stays in the furnace body, the more the absorbed heat is, the higher the temperature), improve the heat efficiency and achieve the purposes of energy conservation and emission reduction. The cooking port 3 is convenient for household use by switching the positions of the cooking and heating switching baffles, the practicability of the furnace is improved, the combustion consumption rate of coal is reduced, in the heating process, the heat is absorbed in the furnace body 1 through the use of the spiral pipe ring type water cooling pipe 15 in the furnace body, the service life of the furnace body 1 is prolonged, and ash slag formed after coal combustion is conveniently collected through the arranged material receiving cavity 10.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421050816.0U CN222256785U (en) | 2024-05-15 | 2024-05-15 | A spiral tube coil water-cooled wall type small household coal-fired heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421050816.0U CN222256785U (en) | 2024-05-15 | 2024-05-15 | A spiral tube coil water-cooled wall type small household coal-fired heating stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222256785U true CN222256785U (en) | 2024-12-27 |
Family
ID=94008533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421050816.0U Active CN222256785U (en) | 2024-05-15 | 2024-05-15 | A spiral tube coil water-cooled wall type small household coal-fired heating stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222256785U (en) |
-
2024
- 2024-05-15 CN CN202421050816.0U patent/CN222256785U/en active Active
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