CN1050258A - High efficiency civil gas stove - Google Patents
High efficiency civil gas stove Download PDFInfo
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- CN1050258A CN1050258A CN 89107196 CN89107196A CN1050258A CN 1050258 A CN1050258 A CN 1050258A CN 89107196 CN89107196 CN 89107196 CN 89107196 A CN89107196 A CN 89107196A CN 1050258 A CN1050258 A CN 1050258A
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Abstract
A kind of high efficiency civil gas stove, characteristics are that burner hearth is divided into lower hearth, establish contrary flue and tubulation arc flue water jacket in hearth outer wall one side, there is secondary combustion chamber flue water jacket below, establish flue switching device along flue outlet, at grey cinder notch, water jacket bottom, the end, burner hearth middle part and fire door are established four ventilating openings, this stove combustion efficiency is good, pollution-free, thermal efficiency height is cooked along burning, heating (shower) is independent of each other, the temperature of banking up a fire for a long time during contrary the burning does not descend, heating area can reach 100 square metres, is a kind of novel, rational in infrastructure, multipurpose domestic stove satisfactory for result is particularly suitable for family, office, school, shop and army etc. need.
Description
The invention belongs to home furnace, be specifically related to a kind of domestic briquet stove of application of solid fuels.
Existing residential coal combustion gas burner is used for cooking, warming oneself mostly, but because structure is unreasonable, the heating of cooking interacts; The thermal efficiency is generally lower, can be smaller for the area of heating, generally can only supply 50-60 square metre of heating area; Coal adaptability is poor, and smoke discharge amount is bigger; Most coal-fired gas furnace configuration hair-dryers though improved combustion efficiency, have consumed electric energy, are not easy to promote the use of at non-transformer or the unwarranted area of power supply.The applicant by to the long term investigation of existing coal-fired gas furnace, investigate, a kind of embodiment (seeing CN2036616U, 88208963.3) of new civil gas stove is once proposed in July, 1988.This coal-fired gas furnace, the top of burner hearth are the hemispherical burner hearths of being made by refractory material, and reflecting heat is effective, thereby get angry soon, and the flame rotation is risen, and improve the fire door temperature; Burner hearth arranged outside water vapor generation device both can make full use of heat and also can produce water-gas; Be provided with the secondary ventiduct that communicates with fire door in the hearth wall, make the twice aeration air heat the back and mix with water-gas, make it burning fully at fire door; The upper furnace chamber of heating is provided with straight flue and full return air flue and flue switching device, guarantees the two mutual conversion, cooks, warms oneself, and all reaches effect preferably.Therefore, this coal-fired gas furnace has solved the deficiency of existing civil gas stove better, coal-fired effect is relatively good, the thermal efficiency is higher, coal adaptability is wide, and smoke discharge amount is less, and the heating of cooking is independent of each other, but aspects such as combustibility, the thermal efficiency, soot emissions are also not very good, still await improving; After stove was banked up a fire, heating effect was poor.
The objective of the invention is to further improve by the above-mentioned civil gas stove to the applicant, provide a kind of combustion efficiency good, the thermal efficiency is higher, pollutes littler, the easy and simple to handle civil gas stove with multiple function.
The present invention is by the improvement to the coal-fired gas furnace chamber structure, set up ventilating opening and measures such as secondary combustion chamber, contrary flue and flue water jacket are set in hearth outer wall one side, stove can contraryly be burnt again along burning, improve the combustion efficiency of stove greatly, increased the heating surface of stove, therefore thermal efficiency height, pollute less, cook, warm oneself (or shower) be independent of each other, and be and effective.
The high efficiency civil gas stove of the present invention's design comprises shell, insulating, burner hearth, water jacket, ventilating opening, fire bars, lime-ash box, flue, pyrosphere, it is characterized in that described burner hearth is divided into lower hearth, upper furnace top is hemispherical, ironcasting is arranged outward, and the lower hearth outer wall is provided with end water jacket; Described water jacket comprises the end water jacket that is arranged on the lower hearth outer wall and is arranged on hearth outer wall one side, is positioned at the tubulation arc flue water jacket of secondary combustion chamber top that end water jacket communicates with the flue water jacket; Described flue comprises the contrary flue that is positioned at hearth outer wall one side, is positioned at the suitable flue of burner hearth top and the main chimney flue of contrary flue top, along the flue outlet place flue switching device is being set, and there is a secondary combustion chamber contrary flue water jacket below; Described ventilating opening comprises a ventilating opening that is positioned at lime-ash box mouth, is positioned at the twice aeration mouth of water jacket bottom, the end, is positioned at three ventilating openings at burner hearth middle part and four ventilating openings that are positioned at fire door.
Burner hearth of the present invention is last lower hearth, and upper furnace top is made and partly asked shape, but reflecting heat, and the ignition piece rises the flame rotation, improves the fire door temperature.Upper furnace is heat insulation with heavy wall, guarantees the upper furnace temperature, to satisfy the needs of cooking along burning.Outer wall has the ironcasting protection, prolongs the life-span of burner hearth.The wall of lower hearth can be thinner, can make the heat in the stove pass to end water jacket smoothly by thin-walled, and heating or shower institute calorific requirement are provided.
The beguine of furnace height is decided according to different needs up and down, and as to cook, upper furnace can be suitably higher, and as based on heating (or shower), lower hearth can be suitably higher, generally selects 1: 0.6～1 for use.
Coal-fired gas furnace of the present invention generally adopts than higher burner hearth, can guarantee that lower hearth all has certain height, and heating (shower) is independent of each other to guarantee to cook simultaneously; Burner hearth is dark, and the coal seam is thick, can improve burning zone and produce the high-temperature region, improves along backfire and burns effect.
In order to adapt to the needs that burn along contrary, improve combustion efficiency, except selecting above-mentioned suitable chamber structure for use, be provided with four ventilating openings at the diverse location of stove.The twice aeration that is arranged on high-temperature region, water jacket bottom, the end mainly burns and high-temperature region coal gasification needs for stove is suitable; Be positioned at the once ventilation of lime-ash box, regulate along burning institute's required airflow by push-and-pull lime-ash box; Ventilate for three times that are positioned at burner hearth middle part, be used to improve the oxygen supply situation in coal seam, burner hearth middle part, promote the gasification in coal seam, improve combustion efficiency, available knob control air quantity size is regulated the fire amount and the length of big or small time of banking up a fire; Main ventilating opening when four ventilating openings that are positioned at fire door are contrary the burning also is a coal filling hole.
In order to adapt to the needs that burn along contrary, improve combustion efficiency, increase heating surface, improve the thermal efficiency, below hearth outer wall one side, be provided with secondary combustion chamber, combustion chamber top is provided with contrary flue and tubulation flue water jacket, and secondary combustion chamber must have enough big volume, with the coal gas that gasifies in the assurance burner hearth in the indoor abundant burning of second-time burning, guarantee tubulation water jacket thermally equivalent, volume is too small, and it is insufficient to burn, and may walk short circuit from the part coal gas of burner hearth and the red-hot tail gas after the burning; Combustion chamber volume is excessive, and heating surface reduces, and the thermal efficiency reduces.Flue tubulation water jacket is made arc, and heat-transfer effect is good.
Coal-fired gas furnace of the present invention, the bottom of rear portion outlet pipe that can also the flue water jacket that water jacket communicates at the bottom of near the furnace wall is provided with moderate temperature heat pipe, because the heat transfer property that heat pipe is very high (hundreds of that is silver, steel is to thousands of times), the indoor heat of second-time burning conducts to water jacket rapidly by this heat pipe, and water jacket outlet water temperature sharply rises, and has promoted the circulation rate of backwater in the water jacket greatly, improved heat transfer efficiency effectively, according to measuring and calculating, generally can improve 10%, thereby improve the thermal efficiency of stove.
The present invention also can be provided with the flue heat booster that a ring-shaped water jacket constitutes in stove main chimney flue exit, can make full use of waste heat hot water or boiling water are provided, actual test shows flue residue heat is very considerable, and the flue heat booster water jacket hot water of stove of the present invention can be for the tame shower of 3-5 mouth or the usefulness of required boiling water.
The present invention can also be between the water inlet pipe and water outlet pipe of the return water system of stove water jacket serial connection one heat pipe collector in addition, this heat pipe collector comprises heat pipe group, dividing plate, thermal medium race way I and hot Jie race way II.Water jacket return water system outlet pipe and water inlet pipe connect the water inlet pipe and water outlet pipe of heat pipe collector race way I respectively, and the water inlet pipe and water outlet pipe of race way II can be connected in series into heating return water system or shower system.Directly inserting heating system with the water jacket return water system compares, because thermal medium race way I is simple in structure, significantly reduced stove water jacket return water system circulation resistance, particularly because the fabulous heat conductivility of heat pipe, quicken the circulation rate of the hot water (or saturated vapor) of stove water jacket return water system greatly, therefore improved the heating effect of stove effectively.The mode of this stove water jacket return water system serial connection heat collector is used for heating, also is convenient to the radiator low level and installs, and improves radiating effect.
Coal-fired gas furnace of the present invention, behind the normal ignition, open the twice aeration mouth, open three ventilating openings in good time, increase the supply of the oxygen at middle part, the aperture of a ventilating opening of control is regulated air quantity and is carried out smoothly along burning guaranteeing, the upper furnace combustion heat is used for the fire door cooking of cooking, the combustion heat of lower hearth and secondary combustion chamber provides heating or hot water for shower bath by end water jacket and flue water jacket respectively, thereby guarantee to cook simultaneously, warm oneself (or shower) is independent of each other.Close along flue by flue switching device, closing first and second ventilates, open the supply of the oxygen in four ventilations and coal seam, three ventilating openings increase middle parts simultaneously, can guarantee to carry out smoothly against burning, the combustion heat of last lower hearth and the combustion heat of secondary combustion chamber are concentrated the usefulness that supplies heating (shower) by end water jacket and flue water jacket respectively.Therefore improved heating effect greatly, even under the situation of banking up a fire, by regulating the aperture of three ventilating openings, the temperature that yet can guarantee to warm oneself does not descend for a long time.
Because burner hearth is dark, the coal seam is thick, sufficient burning zone is arranged, different parts at burner hearth is provided with four ventilating openings, and oxygen supply is abundant, and in addition secondary combustion chamber is arranged, so coal combustion steam stove of the present invention, combustion efficiency obviously is better than the stove of existing other type, and not only coal adaptability is wide, and smoke discharge amount is very little.
Coal-fired gas furnace of the present invention, set up secondary combustion chamber dexterously in hearth outer wall one side, contrary flue and flue water jacket, transplant the heat pipe new technology again and be used to promote the circulation of stove water jacket return water system, not only improve the combustion efficiency of stove effectively but also increased the stove heating surface greatly, thereby improved the thermal efficiency of stove.
Fig. 1 is the structural representation of coal-fired gas furnace of the present invention.
Fig. 2 is the structural representation of flue heat booster of the present invention.
Fig. 3 is the structural representation of heat pipe collector of the present invention.
Below in conjunction with accompanying drawing the present invention is done the into description of a cloth:
Fig. 1-the 3rd, one embodiment of the present invention.Coal-fired gas furnace of the present invention comprises shell (1); insulating (2); burner hearth (3) and upper furnace protecting cast iron layer (4); be located at the water jacket of the annular end (6) in the lower hearth outside; water inlet pipe (5) is established on water jacket top, the end; upper furnace is high 270 millimeters, and lower hearth is high 200 millimeters, 260 millimeters of burner hearth internal diameters.Burner hearth is divided into fire bars (8), a ventilating opening (9) is established in the fire bars bottom, the ventilating opening place establishes the lime-ash box, hearth outer wall one side wide is that the bottom of 150 millimeters empty chamber is secondary combustion chamber (11), the outdoor door (10) that is equipped with, tubulation (9) arc flue water jackets (13) and contrary flue (14) are established in the top of secondary combustion chamber, contrary flue top is provided with main chimney flue (15), above the flue water jacket, set out water pipe (16), establish 500K moderate temperature heat pipe (12) in the bottom of outlet pipe, locating to establish flue change-over gate (17) along flue (18), above burner hearth, establish the i.e. ventilating opening (20) of coal filling hole, pyrosphere (19) is established in the coal filling hole top, establishes three ventilating openings (21) at the burner hearth middle part, establishes twice aeration mouth (7) in water pipe bottom, the end.In order to make full use of flue residue heat, the flue heat booster of being made by ring-shaped water jacket (22) is set at main chimney flue mouth (15), about 90 millis of external diameter, high 400 millimeters, can be connected in series a heat pipe collector (23) between stove water inlet pipe (5) and water pipe (16), this heat collector comprises 6 500K moderate temperature heat pipes (24), dividing plate (25), heating installation backwater circulation district I (26), stove saturated vapor race way II.
1. overall dimensions: long * wide * high=580 * 410 * 720
2. important technological parameters *: 1162 ℃ of 1.35 kilograms of/hour fire box temperatures of coal consumption
The heating amount 4348 kilocalorie thermals efficiency 55.03%
The heating load of the cooking 2190.9 kilocalorie thermals efficiency 26.20%
The heating load of the having a bath 790 kilocalorie thermals efficiency 9.45%
Overall thermal efficiency 87.68% lingemann blackness＜1 grade
Dust contained flue gas concentration 72.8mg/NM2
* Shanxi Inst. of Coal Chemistry, Chinese Academy of Sciences measures
Claims (5)
1, a kind of high efficiency civil gas stove, comprise shell (1), insulating (2), burner hearth (3), water jacket, ventilating opening, fire bars (8), lime-ash box (9), flue, pyrosphere (19), it is characterized in that, described burner hearth is divided into lower hearth, upper furnace top is hemispherical, ironcasting (4) is arranged outward, the lower hearth wall is provided with end water jacket (6), described water jacket comprises: be arranged on the end water jacket (6) of lower hearth outer wall and be arranged on hearth outer wall one side, be positioned at the tubulation arc flue water jacket (13) of secondary combustion chamber (11) top, end water jacket communicates with the flue water jacket, described ventilating opening comprises a ventilating opening (9) that is positioned at lime-ash box mouth, be positioned at the twice aeration mouth (7) of water jacket bottom, the end, be positioned at three ventilating openings (21) at burner hearth middle part and four ventilating openings (20) that are positioned at stockhole, described flue comprises the contrary flue (14) that is positioned at hearth outer wall one side, be positioned at the suitable flue (18) of burner hearth top, and main chimney flue (15), along flue (18) exit a flue switching device (17) is being set, below contrary flue and flue water jacket, a secondary combustion chamber (11) is being arranged.
2, high efficiency civil gas stove as claimed in claim 1 is characterized in that in the bottom of the rear portion outlet pipe (16) of flue water jacket (13) moderate temperature heat pipe (12) being set.
3, high efficiency civil gas stove as claimed in claim 1 or 2 is characterized in that the outlet of main chimney flue (15) is provided with the flue heat booster (22) that an annular cigarette water jacket constitutes.
4, high efficiency civil gas stove as claimed in claim 1 or 2, it is characterized in that linking with heat pipe collector (23) between water inlet pipe (5) at stove and outlet pipe (16), described heat pipe collector comprises heat pipe (24) dividing plate (25), thermal medium race way I (26), and thermal medium race way II (27).
5, high efficiency civil gas stove as claimed in claim 3, it is characterized in that linking with heat pipe collector (23) between water inlet pipe (5) at stove and outlet pipe (16), described heat pipe collector comprises heat pipe (24), dividing plate (25), thermal medium race way I (26), and thermal medium race way II (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89107196 CN1050258A (en) | 1989-09-11 | 1989-09-11 | High efficiency civil gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89107196 CN1050258A (en) | 1989-09-11 | 1989-09-11 | High efficiency civil gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1050258A true CN1050258A (en) | 1991-03-27 |
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ID=4857085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89107196 Pending CN1050258A (en) | 1989-09-11 | 1989-09-11 | High efficiency civil gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1050258A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105249849A (en) * | 2015-11-12 | 2016-01-20 | 农继荣 | Smokeless barbecue oven |
| CN107435948A (en) * | 2017-09-13 | 2017-12-05 | 兖矿集团有限公司 | A kind of air circulation heating and purifier and application for coal stove its coal furnace and coal furnace processing method |
-
1989
- 1989-09-11 CN CN 89107196 patent/CN1050258A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105249849A (en) * | 2015-11-12 | 2016-01-20 | 农继荣 | Smokeless barbecue oven |
| CN107435948A (en) * | 2017-09-13 | 2017-12-05 | 兖矿集团有限公司 | A kind of air circulation heating and purifier and application for coal stove its coal furnace and coal furnace processing method |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |