CN203162913U - Normal pressure steam boiler for daily use - Google Patents
Normal pressure steam boiler for daily use Download PDFInfo
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- CN203162913U CN203162913U CN 201320095865 CN201320095865U CN203162913U CN 203162913 U CN203162913 U CN 203162913U CN 201320095865 CN201320095865 CN 201320095865 CN 201320095865 U CN201320095865 U CN 201320095865U CN 203162913 U CN203162913 U CN 203162913U
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Abstract
The utility model relates to a normal pressure steam boiler for daily use. The normal pressure steam boiler comprises a furnace pipe, a furnace shell, a combustion chamber, a steam chamber and a chimney, wherein boiler water is arranged between the furnace pipe and the furnace shell and is characterized in that at least one water tank communicating with the boiler water is arranged outside the boiler, and the water tank communicates with atmosphere. A water tank is added at the rear portion of the boiler, so that the boiler is not enclosed and bears no pressure, and absolute safe operation of the steam boiler is ensured. A reciprocating steam overheating pipe is added in the case on the top of the boiler for smoke evacuation, thereby effectively reducing the smoke evacuation, increasing the steam temperature, drying the steam and reaching the purpose of ideal utilization of steam. Under the premise of no enclosure and no pressure in a normal pressure boiler for daily use, the steam temperature reaches to an ideal temperature for use, and the steam generated can be used for various household. The steam boiler which is multifunctional and safe also can save energy.
Description
Technical field
The utility model relates to a kind of energy-saving combustion apparatus, is specifically related to a kind of atmospheric steam boiler for domestic, belongs to steam boiler normal pressure equipment manufacturing technology field.
Background technology
For many years, the steam boiler of numerous unit such as each area of China and school, hotel, hospital, factory, army life usefulness generally adopts pressure steam boiler.Pressure steam boiler seals because of overall structure, and a safety valve only is installed at the boiler top, and is malfunctioning because of safety valve, is easy to take place the bursting of boilers, so danger is big especially, in use all exists potential safety hazard at any time.Though there is regulation in country, pressure steam boiler in use, safety valve is annual must to be up to the standards and can to install and use through local supervision department, but some unit and individual are for cost saving, install and use privately, even conceal the pressure steam boiler that use is scrapped, or cause the accident of the bursting of boilers to happen occasionally because manual operation is improper, cause casualties easily and property loss.
Pressure steam boiler is simple because of its indoor design, and convection heating surface is long-pending little in the stove, and the indoor design space is big, the exhaust gas temperature height, so the thermal efficiency is low, fuel consumption is big, wastes energy very much.
In addition, pressure steam boiler cost of use height, the applying unit responsibility is big, and supervision department need spend great dynamics to supervise, and therefore causes supervision department's oversight costs height.
How making life not only energy-conservation but also be perfectly safe with steam boiler, is one of technical problem of needing to be resolved hurrily of steam boiler safe handling manufacturing field of equipment.
Summary of the invention
The purpose of this utility model provides a kind of atmospheric steam boiler for domestic, and this boiler structure does not seal, and inside can not produce excess pressure, and use is perfectly safe, while heat exchange efficiency height, and fuel consumption is little, is a kind of desirable safety, energy-conserving product.
The utility model provides a kind of atmospheric steam boiler for domestic, comprising flue, furnace shell, combustion chamber, vaporium and chimney, is boiler water between flue and the furnace shell wherein, it is characterized in that, at the water tank that the boiler outer setting has at least one to be connected with boiler water, water tank communicates with atmosphere.
According to a concrete but nonrestrictive embodiment of the present utility model, the top of water tank is provided with evacuated tube, communicates with atmosphere; The evacuated tube side is provided with overflow pipe; Water tank one side is provided with the water level meter; The water tank side is provided with water inlet pipe, is connected with external water source.
According to a concrete but nonrestrictive embodiment of the present utility model, water tank bottom is crossed aquaporin with boiler bottom by one and is connected, and crosses the aquaporin both sides and is respectively equipped with inspection opening.
According to of the present utility model one concrete but nonrestrictive embodiment arranges at least one group of thermal convection current pipe in flue inside, link to each other interior logical boiler water with flue.
According to of the present utility model one concrete but nonrestrictive embodiment in the casing at boiler exhaust gas top, arranges at least one group of reciprocal steam superheater.
According to a concrete but nonrestrictive embodiment of the present utility model, described atmospheric steam boiler for domestic is to use the coal-fired boiler for domestic of the atmospheric steam of coal fuel.
According to a concrete but nonrestrictive embodiment of the present utility model, the coal-fired boiler for domestic of described atmospheric steam is the coal-fired boiler for domestic of counter-burning type atmospheric steam, and described combustion chamber comprises upper combustion chamber and lower combustion chamber, is middlely separated by furnace grate tube; Top, combustion chamber is water bridge; Offer on the furnace wall of upper combustion chamber's correspondence and add coal stove door; Lower combustion chamber offers smokejack; Offer the deashing fire door on the furnace wall of boiler bottom.
According to a concrete but nonrestrictive embodiment of the present utility model, the lower combustion chamber bottom is the pass casting furnace grate, and every block casting iron furnace row goes up uniform taper small sircle hole.
According to a concrete but nonrestrictive embodiment of the present utility model, described atmospheric steam boiler for domestic is to use the atmospheric steam combustion gas boiler for domestic of gas fuel.
According to a concrete but nonrestrictive embodiment of the present utility model, described atmospheric steam combustion gas boiler for domestic also comprises combustor, and described combustion chamber is the combustion of natural gas chamber.
The beneficial effects of the utility model are mainly reflected in:
1. atmospheric steam boiler for domestic of the present utility model is set up a water tank at the boiler rear portion, water in the water tank is connected with boiler water, tank top communicates with atmosphere by evacuated tube, guaranteed that boiler does not seal, pressure-bearing has not overcome existing pressure steam boiler and has sealed because of structure, is easy to generate excess pressure, the technology drawback of blasting easily is for the operation that is perfectly safe of steam boiler provides favourable guarantee.
2. atmospheric steam boiler for domestic of the present utility model is not sealing, is not producing under the prerequisite of pressure, and its vapor (steam) temperature can reach desirable serviceability temperature.The quantity of steam that produces can be supplied the use of multiple lifestyle devices such as the dryer, normal pressure noise elimination carbonated drink heat of mixing water pot of rice steaming box, life usefulness, steamed rice, heat up water, sterilize, multiple lifestyle device such as oven dry uses continuously, reached the purpose of multi-use, not only energy-conservation but also be perfectly safe.
3. the utility model is in the casing of the smoke evacuation top of boiler, set up one group of reciprocal steam superheater, the waste heat and the Boiler Steam that are used for high temperature cigarette temperature are carried out heat exchange, improved heat exchange efficiency, can reduce exhaust gas temperature effectively and improve vapor (steam) temperature, minimizing steam water content, make steam drying, reach desirable steam utilization effect.
Description of drawings
Fig. 1 is according to the coal-fired boiler for domestic structure chart of the atmospheric steam of an embodiment of the present utility model.
Fig. 2 is the atmospheric steam combustion gas boiler for domestic structure chart according to another embodiment of the present utility model
The specific embodiment
Describe the specific embodiment of the present utility model in detail below in conjunction with accompanying drawing.
According to a specific embodiments of the present utility model, described atmospheric steam boiler for domestic is to use coal to make the coal-fired boiler for domestic of atmospheric steam of fuel.Fig. 1 is that face shaping is the structure chart of the coal-fired boiler for domestic of anti-burning atmospheric steam of rectangle tower (or vertical).As shown in Figure 1, boiler comprises flue 9, furnace shell 10, water bridge 12, adds coal stove door 14, observes conventional components such as fire door 15, casting furnace grate 16, deashing fire door 17 and boiler foundation.Be boiler water between flue 9 and the furnace shell 10, boiler face is provided with water level meter 7, is used for observing the water level of boiler water.Flue 9 can absorb a lot of heats, and boiler water is heated up.Water bridge 12 also is equipped with water, also can the absorption portion heat.Water bridge 12 bottoms are to add coal combustion chamber.Add coal combustion chamber and comprise upper combustion chamber 23 and lower combustion chamber 24, separated by furnace grate tube 13 in the middle of the upper and lower combustion chamber 23,24.The furnace wall of upper combustion chamber's 23 correspondences offers and adds coal stove door 14, is used for adding coal fuel.Offer observation fire door 15 on the furnace wall of lower combustion chamber's 24 correspondences, be used for the situation of coal combustion in the observation combustion chamber.Lower combustion chamber 24 also offers smokejack 25, and the flue gas that coal combustion produces can enter flue inner room 11 by smokejack 25.Lower combustion chamber 24 bottoms are pass casting furnace grate 16, and every block casting iron furnace row goes up uniform taper small sircle hole, can make the ashes that fuel combustion produces in the lower combustion chamber 24 fall into boiler bottom by small sircle hole.The characteristics of this pass fire grate are not waste coal-fired fuel.The furnace wall of boiler bottom is provided with deashing fire door 17, is used for regularly removing ashes.Can set up air blast in boiler foundation one side, combustion efficiency can be better.One or more groups thermal convection current pipe 8 can be set in flue inner room 11, link to each other with flue 9, boiler water thermal convection current in thermal convection current pipe 8 is passed through, to increase heat exchange area, improve heat exchange efficiency.As shown in Figure 1, be provided with one group of thermal convection current pipe 8 in upper boiler, be provided with another group thermal convection current pipe 8 on the next door, combustion chamber, and the direction difference of two groups of thermal convection current pipes, arranged in a crossed manner, to improve heat exchange efficiency.The boiler water thermal convection current pipe 8 of flowing through sharply heats up, and produces water vapour, and steam rises and enters the vaporium 6 of upper boiler.The boiler top is provided with chimney 1, links to each other with boiler by chimney interface 2, is used for surplus cigarette is discharged boiler.
In the casing at boiler exhaust gas top, can set up one group of reciprocal steam superheater 3, it links to each other with vaporium 6 by steam connecting tube 5.Back and forth the structure of steam superheater 3 is: the left and right sides is responsible for for part, and the centre is used than being responsible for thin pipe and is connected into reciprocal shape, and steam is back and forth passed through therein.Back and forth steam superheater 3 used materials should be high temperature resistant, corrosion resistant tubing.When boiler high temperature cigarette temperature waste heat was discharged, exhaust gas temperature was up to 350 ℃, and cigarette temperature waste heat is through reciprocal steam superheater 3, carry out heat exchange, fume afterheat is fully absorbed, and the surplus cigarette that last exhaust gas temperature is down to about 100 ℃ enters atmosphere from chimney 1, has reached purpose of energy saving.And the cigarette temperature waste heat about 350 ℃ can make the reciprocal steam superheater 3 inner high temperature that produce.When boiler water temperature reaches 100 ℃, produce water vapour, steam enters vaporium 6, enter the reciprocal steam superheater 3 of high temperature by steam connecting tube 5, vapor (steam) temperature sharply is elevated to about 120 ℃, and the steam contained humidity reduces, steam is drier, has reached desirable steam result of use.
The utility model has been set up the water tank 20 that is connected with boiler water at the boiler rear portion, the top of water tank 20 communicates by evacuated tube 22 and atmosphere, has guaranteed that boiler does not seal, not pressure-bearing.Evacuated tube 22 sides are provided with an overflow pipe 21, and when the water of 20 li in water tank surpassed overflow pipe 21, unnecessary water flowed out from overflow pipe 21.Overflow pipe 21 another effects also are to guarantee that boiler does not seal, and do not take advantage of pressure, guarantee that boiler can safe operation.Water tank 20 opposite sides are provided with water level meter 7, can observe the water level of water tank 20 by water level meter 7, and water and the water in the boiler owing to 20 li in water tank is logical simultaneously, also can observe the water level of boiler.Water tank 20 sides are provided with a water inlet pipe 19, are connected with external water source, are used for feed-tank 20 water inlets, also can give boiler feed water simultaneously.Water tank 20 bottoms are crossed aquaporin 26 with boiler bottom by one and are connected.When boiler was worked, the water in the boiler at high temperature produced steam, and after part water became steam, the water yield reduced in the boiler, and at this moment the water of 20 li in boiler rear portion water tank passed through aquaporin 26 in time to the boiler water-filling amount.The area size of crossing aquaporin 26 that links to each other between water tank 20 and the boiler need be determined according to the pressure of boiler size and water tank generation, to guarantee the safe operation of atmospheric steam boiler for domestic.Cross aquaporin 26 both sides and be respectively equipped with the inspection opening 18 that checks that incrustation scale is used, effect is to make regular check on aquaporin 26 whether to have incrustation scale, guarantees that aquaporin 26 was unblocked, makes the water of 20 li in water tank in time enter boiler, guarantees the safe operation of boiler.
Utilize water tank 20 that boiler is reached not sealing, do not take advantage of the effect of pressure is the most innovative design of the utility model.The operation principle of water is in the water tank 20: according to the water poor thermal conductivity, cold water is different with the proportion of hot water, with the cold water of the volume character heavier than hot water, when upper boiler water burns 100 ℃ of left and right sides, this is about 20 ℃ to water tank temperature greatly, proportion difference by hot and cold water, the water that water tank is 20 li produces certain natural pressure to boiler water all the time, play the effect of sealed boiler, pressure impels the steam of boiler water top to enter reciprocal steam superheater 3 by steam connecting tube 5 simultaneously, has accelerated vapor (steam) velocity; And because the water in the water tank communicates with boiler water, when boiler operatiopn, when excessive as if the steam pressure of boiler internal generation, steam pressure can be pressed to water tank 20 to boiler water, with release pressure, thereby reaches the effect that boiler is not taken advantage of pressure.
The course of work to this atmospheric steam coal-burning boiler is described below.
Coal fuel joins the combustion chamber from adding coal stove door 14, in upper combustion chamber's 23 internal combustion, the fiery cigarette that produces is through furnace grate tube 13, the anti-lower combustion chamber 24 that burns downwards, the high-temperature flue gas that produces enters flue inner room 11 from smokejack 25, heat is by boiler water and vapor absorption in the reciprocal steam superheater 3 at the thermal convection current pipe 8 at boiler bottom, middle part and boiler top, and temperature waste gas of the last end is discharged by chimney 1.After the heat exchange of boiler water process, heating up produces steam, and steam rises and enters vaporium 6, under the pressure effect of water tank, enters reciprocal steam superheater 3 by steam connecting tube 5, through exporting by going out vapor interface 4 after the further high temperature drying.Going out vapor interface 4 can link to each other with one or more lifestyle devices, and for example go out vapor interface 4 external rice steaming box and carry out steamed rice, the drying machine drying clothes of external life usefulness, perhaps the normal pressure noise elimination carbonated drink heat of mixing water pot of external special use boils water etc.Wherein, normal pressure noise elimination carbonated drink heat of mixing water pot is the special-purpose assorted product that atmospheric steam boiler for domestic of the present utility model must be equipped with when heating up water, and the applicant applies for a patent in addition to this normal pressure noise elimination carbonated drink heat of mixing water pot.The dryers of other external equipment such as rice steaming box, life usefulness etc. use the commercially available prod to get final product.The quantity of steam that atmospheric steam boiler for domestic of the present utility model produces at one time in, can steamed rice can also dry water is boiled again, reached the multi-use purpose, not only energy-conservation but also be perfectly safe.
The vapor (steam) temperature of the coal-fired boiler for domestic output of atmospheric steam of the present utility model can reach about 120 ℃, and is suitable with the vapor (steam) temperature of 3 kilograms steam coal-burning boiler output.And the used fuel quantity of the coal-fired boiler for domestic of atmospheric steam of the present utility model only be 3 kilograms the fuel used amount of steam coal-burning boiler about 50%.
Another alternative embodiment of the present utility model is to use natural gas to do the atmospheric steam combustion gas boiler for domestic of fuel.Only need the fired coal combustion chamber of atmospheric steam fire coal boiler for domestic that will be above-mentioned be transformed into the combustion of natural gas chamber, add again a combustor both can, other structure is constant.
Fig. 2 is the structure chart according to the atmospheric steam combustion gas boiler for domestic of another embodiment of the utility model.As shown in Figure 2, this atmospheric steam combustion gas boiler for domestic comprises conventional components such as flue 9, furnace shell 10, chimney 1, chimney interface 2, vaporium 6, water level meter 7, thermal convection current pipe 8, boiler foundation 30.Be boiler water between flue 9 and the furnace shell 10, be communicated with water in the water tank of setting up at the boiler rear portion 20.The top of water tank 20 communicates by evacuated tube 22 and atmosphere, boiler is reached do not seal, do not take advantage of the effect of pressure.Simultaneously, because the proportion difference of hot and cold water, the water that water tank is 20 li produces certain natural pressure to boiler water all the time, thereby plays the effect of sealed boiler.Water tank 20 also comprises parts such as overflow pipe 21, water level meter 7, water inlet pipe 19.The aquaporin both sides of crossing that water tank 20 bottoms are connected with boiler bottom also are respectively equipped with inspection opening 18, are used for checking incrustation scale.Crossing the area size of aquaporin need determine according to the pressure of boiler size and water tank generation, to guarantee the safe operation of atmospheric steam boiler for domestic.In the casing at boiler exhaust gas top, can be provided with reciprocal steam superheater 3, link to each other with vaporium 6 by steam connecting tube 5.Back and forth the structure and material of steam superheater 3 is identical with the reciprocal steam superheater of the coal-fired boiler for domestic of atmospheric steam, plays the effect that reduces exhaust gas temperature and improve vapor (steam) temperature.
Different with the coal-fired boiler for domestic of atmospheric steam is: atmospheric steam combustion gas boiler for domestic comprises combustion of natural gas chamber 27 and combustor 29, offers observation door 28 on the furnace wall of combustion of natural gas chamber 27 correspondences, is used for observing the situation of stove internal combustion.
Combustor 29 is connected with the external source natural gas line, and gas fuel is transported in the combustion of natural gas chamber 27.After combustor 29 igniting, gas fuel burns in combustion of natural gas chamber 27, the high-temperature gas that produces rises in flue 9, and heat is by boiler water and vapor absorption in the reciprocal steam superheater 3 at the thermal convection current pipe 8 in the flue 9 and boiler top, and temperature waste gas of the last end is discharged by chimney 1.After the heat exchange of boiler water process, heating up produces water vapour, and steam rises and enters vaporium 6, under the tank pressure effect, enters reciprocal steam superheater 3 by steam connecting tube 5, through exporting by going out vapor interface 4 after the further high temperature drying.Going out vapor interface 4 equally can external one or more lifestyle device, is used for steamed rice, boils water, drying clothes etc.
Making the used material of atmospheric steam boiler for domestic of the present utility model uses the boiler manufactured materials of this area routine to get final product.
The fuel that atmospheric steam boiler for domestic of the present utility model uses is excellent with coal fuel recited above and gas fuel, but is not limited to this, for other fuel, can implement as long as adaptive transformation is carried out in the combustion chamber.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model rights protection scope.
Claims (10)
1. an atmospheric steam boiler for domestic comprises flue, furnace shell, combustion chamber, vaporium and chimney, is boiler water between flue and the furnace shell wherein, it is characterized in that at the water tank that the boiler outer setting has at least one to be connected with boiler water, water tank communicates with atmosphere.
2. atmospheric steam boiler for domestic according to claim 1 is characterized in that, the top of water tank is provided with evacuated tube, communicates with atmosphere; The evacuated tube side is provided with overflow pipe; Water tank one side is provided with the water level meter; The water tank side is provided with water inlet pipe, is connected with external water source.
3. atmospheric steam boiler for domestic according to claim 1 is characterized in that, water tank bottom is crossed aquaporin with boiler bottom by one and is connected, and crosses the aquaporin both sides and is respectively equipped with inspection opening.
4. atmospheric steam boiler for domestic according to claim 1 is characterized in that, at least one group of thermal convection current pipe is set in flue inside, links to each other interior logical boiler water with flue.
5. atmospheric steam boiler for domestic according to claim 1 is characterized in that, in the casing at boiler exhaust gas top, at least one group of reciprocal steam superheater is set.
6. according to arbitrary described atmospheric steam boiler for domestic among the claim 1-5, it is characterized in that described atmospheric steam boiler for domestic is to use the coal-fired boiler for domestic of the atmospheric steam of coal fuel.
7. atmospheric steam boiler for domestic according to claim 6 is characterized in that, the coal-fired boiler for domestic of described atmospheric steam is the anti-coal-fired boiler for domestic of atmospheric steam that burns, and described combustion chamber comprises upper combustion chamber and lower combustion chamber, and the centre is separated by furnace grate tube; Top, combustion chamber is water bridge; Offer on the furnace wall of upper combustion chamber's correspondence and add coal stove door; Lower combustion chamber offers smokejack; Offer the deashing fire door on the furnace wall of boiler bottom.
8. atmospheric steam boiler for domestic according to claim 7 is characterized in that, the lower combustion chamber bottom is the pass casting furnace grate, and every block casting iron furnace row goes up uniform taper small sircle hole.
9. according to arbitrary described atmospheric steam boiler for domestic among the claim 1-5, it is characterized in that described atmospheric steam boiler for domestic is to use the atmospheric steam combustion gas boiler for domestic of gas fuel.
10. atmospheric steam boiler for domestic according to claim 9 is characterized in that, described atmospheric steam combustion gas boiler for domestic also comprises combustor, and described combustion chamber is the natural gas combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320095865 CN203162913U (en) | 2013-03-01 | 2013-03-01 | Normal pressure steam boiler for daily use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320095865 CN203162913U (en) | 2013-03-01 | 2013-03-01 | Normal pressure steam boiler for daily use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162913U true CN203162913U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320095865 Expired - Fee Related CN203162913U (en) | 2013-03-01 | 2013-03-01 | Normal pressure steam boiler for daily use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203162913U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175186A (en) * | 2013-03-01 | 2013-06-26 | 龚胜 | Atmospheric steam domestic boiler |
| CN103697451A (en) * | 2013-12-12 | 2014-04-02 | 广东省农业科学院蔬菜研究所 | High-temperature and normal-pressure steam generator |
| CN108204624A (en) * | 2016-12-17 | 2018-06-26 | 闫亚东 | The normal-pressure high-temp. steam boiler of high-temperature steam is obtained under a kind of normal pressure |
-
2013
- 2013-03-01 CN CN 201320095865 patent/CN203162913U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175186A (en) * | 2013-03-01 | 2013-06-26 | 龚胜 | Atmospheric steam domestic boiler |
| CN103697451A (en) * | 2013-12-12 | 2014-04-02 | 广东省农业科学院蔬菜研究所 | High-temperature and normal-pressure steam generator |
| CN103697451B (en) * | 2013-12-12 | 2015-11-18 | 广东省农业科学院蔬菜研究所 | A kind of high-temperature atmospheric steam generator |
| CN108204624A (en) * | 2016-12-17 | 2018-06-26 | 闫亚东 | The normal-pressure high-temp. steam boiler of high-temperature steam is obtained under a kind of normal pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20210301 |
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| CF01 | Termination of patent right due to non-payment of annual fee |