CN203628716U

CN203628716U - Firewood stove

Info

Publication number: CN203628716U
Application number: CN201320790593.7U
Authority: CN
Inventors: 夏国强
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-10-10
Filing date: 2013-12-05
Publication date: 2014-06-04
Anticipated expiration: 2023-12-05
Also published as: CN104566483A; CN203628721U; CN104566492A

Abstract

The utility model discloses a firewood stove. The firewood stove comprises a stove body, wherein the stove body is internally provided with a hearth; a firewood inlet and a smoke outlet are formed in the side wall of the hearth; the side wall of the hearth is of a double-layer structure, and is formed by sleeving an internal cylinder and an external cylinder; a gap is formed between the internal cylinder and the external cylinder; the smoke outlet is formed in the side wall of the external cylinder and is communicated with the gap; the firewood inlet is communicated with the furnace after penetrating through the side wall of the furnace; smoke outlet holes are formed in the side wall of the internal cylinder; smoke inside the furnace enters the gap through the smoke outlet holes, and is discharged through the smoke outlet. The firewood stove disclosed by the utility model utilizes the gap in the double-layer structure of the side wall of the furnace as a passage of the smoke in the furnace, and particularly the smoke outlet holes in the internal side wall are formed in the lower part of the internal side wall, so that the side wall of the lower part of the furnace can be effectively heated by the high-temperature smoke during the discharge process, the high-temperature smoke and flames cannot rush above any longer, the capacity that the stove body radiates heat outwards is improved, the heating function of the firewood stove is strengthened, and the utilization rate of fuel is improved.

Description

A kind of wood stove

Technical field

The utility model relates to a kind of wood stove using timber, stalk etc. as fuel.

Background technology

Traditional wood stove using timber, stalk as fuel conventionally as shown in fig. 1, comprises body of heater a, is provided with fire door b and chimney c on body of heater.Tradition wood stove is primary focus on be heat up water, cooking function, heating is secondary function.For this reason, in body of heater, the burner hearth sidewall of fire grate top is generally single layer structure, and the high-temperature flue gas that stove chamber inner combustion produces is directly discharged through chimney from upper furnace, and the flame in burner hearth is also usually located at upper furnace.

The wood stove of traditional structure not only heat concentrates on upper of furnace body, and the effect of the outside radiant heat energy of body of heater is weakened greatly, and the flue gas that amount of heat is discharged takes away, and greatly reduces the utilization rate of fuel, has reduced the heating function of wood stove.

Utility model content

The deficiency existing for existing wood stove, the purpose of this utility model is to provide a kind of improved wood stove, and this wood stove is by adopting double-deck burner hearth sidewall, keeping that wood stove is heated up water, under the prerequisite of cooking function, effectively improve the heating function of wood stove, improved the utilization rate of fuel.

For achieving the above object, the utility model wood stove comprises body of heater, is provided with burner hearth in body of heater, is provided with into bavin mouth and exhanst gas outlet on burner hearth sidewall; Described burner hearth sidewall is double-decker, formed by inner core and urceolus suit, between inside and outside cylinder, leave interval, described exhanst gas outlet is arranged on outer tube side wall and with described interval and is connected, described enter bavin mouth through being connected with burner hearth after burner hearth sidewall, middle part and/or the bottom of inner core sidewall short transverse are provided with venthole, and the flue gas in burner hearth enters described interval through venthole, and discharge via exhanst gas outlet.

Further, on described inner core sidewall, be provided with at least two described ventholes around described burner hearth, and described venthole is positioned at the bottom of described inner core sidewall near its lower end.

Further, in described interval, corresponding each described venthole is provided with gas baffle, and each baffle plate all arranges separately, or several adjacent screen connections are in aggregates, or all baffle plates connect in aggregates.

Further, described in, enter on the sidewall that Chai Kouchu is separated into bavin mouth and described interval and be provided with the through hole for the flue gas that enters into bavin mouth being introduced to described interval.

Further, described body of heater upper end is with table, described inner core upper end is fixedly connected with described table, the table lower surface place corresponding with described urceolus upper end is provided with a bulge loop, urceolus upper surface and upper end outer surface join with table lower surface and the inboard surface of bulge loop respectively, make thus to form and removably connect between urceolus upper end and table.

Further, described bulge loop inboard is also provided with one second bulge loop, and this two bulge loop grips described urceolus upper end.

Further, described burner hearth lower end is provided with fire grate, and fire grate below is provided with ash port, and this ash port lower end outlet is provided with the adjustment doors for regulating ash port aperture.

Further, described burner hearth sidewall adds bavin chamber at the external tubular of the described Chai Kouchu of entering, this adds, and bavin is indoor is separated into upper and lower two chambers by a diaphragm plate, and diaphragm plate leaves the gap that is communicated with two chambers away from the outboard end of burner hearth sidewall with adding between the outside end wall of bavin chamber; Add the indoor lower chambers of bavin and join as entering its inboard end of bavin passage and entering bavin mouth, upper chamber is connected with described interval as returning its inboard end of cigarette channel, adds corresponding lower chambers on the end wall of bavin outside and is provided with fire door.

Further, described in, add on the end wall of bavin outside described in correspondence, to enter on bavin passage or described fire door and be also provided with for the wind complement port to described bottom chamber benefit wind.

Further, the bottom chamber that adds bavin chamber described in is also provided with one or multi-channel for the deflector to described gap by the flue gas guiding of lower chambers near described gap location.

Further, described bottom chamber is also provided with in the inboard of described deflector the smoke barrier that the flue gas for stopping in described burner hearth enters.

Further, described wood stove is also provided with the cover of banking up a fire, and this cover of banking up a fire can be inserted in described burner hearth, and is sealed on the fuel in burner hearth.

Further, described body of heater is made up of upper and lower two parts, is seated on lower part body of heater with the upper part body of heater of described burner hearth, fire grate, ash port, and upper and lower two parts body of heater removably connects by bolt; The adjustment doors of described ash port is slidably supported on lower part body of heater by pole.

The utility model wood stove utilizes interval between the burner hearth sidewall double-decker passage as flue gas in burner hearth, especially the venthole on nexine sidewall is arranged to nexine lower sidewall, make high-temperature flue gas effective heating furnace lower sides in discharge process, make high-temperature flue gas and flame no longer directly rush at top, strengthen the ability of the outside radiations heat energy of body of heater, strengthen the heating function of wood stove, improved the utilization rate of fuel.

At ash port, place arranges adjustment doors, can utilize this adjustment doors to regulate the resh air requirement that enters burner hearth, to regulate flame and combustion intensity.And by after ash port sealing, match with the cover of banking up a fire, can reduce to greatest extent the oxygen content at burner hearth fuel place, make the wooden fuel not burning effectively form charcoal, to facilitate for lighting the next time of wood stove.

By enter bavin mouth place arrange add bavin chamber, for longer firewood provides accommodating space, for wood stove use larger firewood provide convenience.Add the indoor setting of bavin and return cigarette channel, can effectively the flue gas entering in bavin passage be entered to the interval in burner hearth sidewall, and be discharged by exhanst gas outlet, eliminated the hidden danger that the flue gas that enters in bavin passage is overflowed from fire door.

Add on the end wall of bavin outside or on fire door, wind complement port be set, in contributing to flue gas in bavin passage to enter back cigarette channel, can also utilize the cooling bavin outside end wall that adds of the new wind covering, avoiding scalding.

Accompanying drawing explanation

Fig. 1 is existing traditional wood stove structural representation;

Fig. 2 is the utility model wood stove embodiment 1 structural representation;

Fig. 3 is the utility model wood stove embodiment 2 structural representations;

Fig. 4 be in Fig. 3 A to view;

Fig. 5 is B-B view in Fig. 3;

Fig. 6 is the utility model wood stove embodiment 3 structural representations.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is described in further details.

embodiment 1

As shown in Figure 2, the utility model wood stove comprises body of heater 1, and body of heater 1 is removably connected and formed by bolt 10 by upper and lower two parts.

Upper part body of heater comprises burner hearth 2, table 5, fire grate 3.Burner hearth sidewall is double-decker, formed by urceolus 1-1 and inner core 1-2 mutual sheathing, between urceolus 1-1 and inner core 1-2, leave interval 1-3, urceolus 1-1 and inner core 1-2 lower end and diapire 1-5 join, fire grate 3 is arranged on diapire 1-5, diapire 1-5 is provided with ash port 1-6 below fire grate 3, and this ash port 1-6 is inserted in ash silo 4, and ash port 1-6 is up big and down small taper.

Table 5 mounts cover in the upper end of urceolus 1-1 and inner core 1-2, is provided with bell 5-1 on table 5.

For easy to process, when making, table 5 lower surfaces and inner core 1-2 upper end can be welded to connect, urceolus 1-1 upper end detachable interposing is contained in table 5 lower surfaces and is positioned at the inboard of the bulge loop 5-2 of edge; Inner core 1-2 lower end is supported on diapire 1-5 upper surface, and urceolus 1-1 lower end and diapire 1-5 are welded to connect.Like this, table 5 is inserted in urceolus 1-1 together with inner core 1-2 when installation.

Can replace, the upper end of table 5 lower surfaces and urceolus 1-1, inner core 1-2 is welded to connect, inner core 1-2 lower end is supported on diapire 1-5 upper surface, and urceolus 1-1 lower end is removably connected with diapire 1-5, for example, connects by bolt.After diapire 1-5 and urceolus 1-1 lower end are removably connected, can, by dismounting diapire 1-5, remove easily the dirt accumulating in the 1-3 of interval.

Inner core 1-2 is near being provided with one or more venthole 1-4 around burner hearth 2 on the lower sides of its lower end.In the time that a venthole 1-4 is set, this venthole can adopt the slotted hole (not shown) of extending along circumferentially.Be understandable that, in spiritual scope of the present invention, those skilled in the art can make the various distortion about this venthole.

For the connected mode between urceolus 1-1 upper end and table 5, except structure as shown in Figure 2, also can twice bulge loop (not shown) be set on table 5 lower surfaces, the upper end of urceolus 1-1 is inserted between twice bulge loop and is fixed.

The cross section of urceolus 1-1 and inner core 1-2 is circle.Certainly, be understandable that, also can adopt other shape of cross section, such as rectangle etc.

On the sidewall of burner hearth 2, be provided with into bavin mouth 1-8, this enters bavin mouth 1-8 and interval 1-3 is isolated.The outboard end that enters bavin mouth 1-8 is provided with fire door 11, and it is upper that this fire door is rotatably arranged on urceolus 1-1 by bearing pin, on urceolus 1-1 sidewall, is provided with exhanst gas outlet 1-7, is provided with the chimney interface 12 being connected with exhanst gas outlet 1-7 on table 5.

Lower part body of heater comprises ash silo 4, the sidewall 4-1 of ash silo 4 is fixed on the base 9 of below, in ash silo 4, be provided with drawing and pulling type ash bucket 8, on ash silo 4 sidewalls, be provided with air inlet 4-2, slidably be arranged on the sidewall of ash silo 4 by two poles 7 for opening and closing the adjustment doors 6 of ash port 1-6 lower end outlet, adjustment doors 6, with the slip of pole 7, regulates the aperture of ash port 1-6 lower end outlet.

Upper part body of heater is seated on lower part body of heater, and two parts interfix by four bolts 10.

The present embodiment wood stove is also provided with the cover 13 of banking up a fire, and this cover 3 of banking up a fire can be sealed on the interior aflame fuel of burner hearth 2.

When the present embodiment wood stove uses, the cover 13 of banking up a fire takes out from burner hearth 2, in burner hearth 2, adds timber and lights, and can warm oneself normally, heats up water, cook.

In firewood combustion process, regulate the aperture of ash port 1-6 lower end outlet by adjustment doors 6, can control the size of burner hearth 2 Flames.

Closing fire door 11 and inserting after ash bucket 8, new wind will enter and enter burner hearth 2 through ash port 1-6 and carry out combustion-supporting from air inlet 4-2.

Along with firewood combustion, the flue gas in burner hearth 2 enters interval 1-3 through venthole 1-4, then through exhanst gas outlet 1-7 and the discharge of chimney (not shown).

The high-temperature flue gas producing because of the interior burning of burner hearth 2 enters interval 1-3 from the venthole 1-4 of inner core 1-2 bottom, discharge from the exhanst gas outlet 1-7 being positioned at urceolus 1-1 upper portion side wall around inner core 1-2, thereby, greatly increase the heat exchange of high-temperature flue gas and body of heater, strengthen body of heater to extraradial heat, improved the heating effect of wood stove.

In the time extinguishing wood stove, can remove cooker or take off bell 5-1, the cover 13 of then banking up a fire is inserted burner hearth 2 and is sealed on aflame firewood, seals ash port 1-6 by adjustment doors 6 simultaneously, can impel firewood to extinguish.The firewood not burning will slowly extinguish under anaerobic condition, and become charcoal, to facilitate light next time.

Although it is pointed out that the fuel that above-mentioned explanation is mentioned is firewood, the present embodiment wood stove also can use stalk, wheat straw, leaf etc. as fuel.

embodiment 2

Fig. 3-Figure 5 shows that another kind of embodiment of the present utility model.

Compared with embodiment 1 in Fig. 2, on the burner hearth sidewall of the wood stove in embodiment 2, set up a tubular and added bavin chamber 14 entering Chai Kouchu, this tubular adds in bavin chamber 14 and is separated into upper and lower two chamber 14-2,14-3 by a diaphragm plate 14-1, and diaphragm plate 14-1 leaves gap (or breach) 14-4 that is communicated with two chambers away from the outboard end of burner hearth sidewall with adding between the outside end wall of bavin chamber 14.Lower chambers 14-2 joins with the bavin mouth that enters on burner hearth sidewall as entering its inboard end of bavin passage, the 14-3 of upper chamber is as returning interval 1-3(between its inboard end of cigarette channel and burner hearth sidewall double-decker referring to Fig. 2) be connected, fire door 11 is arranged on and adds 14 chamber 14-2 corresponding sections, end wall up and down, outside, bavin chamber, one or more wind complement port 11-1 are also set on fire door 11, and the example shown in figure has three for fill into the wind complement port 11-1 of new wind in lower chambers 14-2.1 road or multiple tracks are also set for the flue gas of lower chambers being drawn to the deflector 14-5 at 14-4 place, guiding clearance near 14-4 place, gap in lower chambers 14-2, example shown in figure is 3 roads, meanwhile, the inboard of the inherent deflector 14-5 of lower chambers 14-2 is also provided with the smoke barrier 14-6 that the flue gas for stopping in burner hearth 2 enters.

Setting adds behind bavin chamber 14, has strengthened wood stove and has entered the accommodation space at bavin mouth place, thereby be to use larger firewood to create condition.

Setting adds behind bavin chamber 14, unavoidably having flue gas in a small amount of burner hearth 2 enters into and adds bavin chamber, by returning cigarette channel 14-3 adding the indoor setting of bavin, the flue gas entering in bavin passage 14-2 will be inhaled in the 1-3 of interval through gap 14-4 and time cigarette channel 14-3 under the swabbing action of chimney, and discharged by exhanst gas outlet, prevent that thus flue gas from overflowing through fire door 11, contaminated environment.

Wind complement port 11-1 is set on fire door 11, along with the flue gas entering in bavin passage 14-2 is inhaled into back cigarette channel 14-3, new wind also will enter into bavin passage 14-2 thereupon, can utilize so new wind to mix with flue gas impels flue gas to enter back smoothly cigarette channel 14-3, and can reduce chimney through enter bavin passage 14-2 to burner hearth 2 in the swabbing action of flue gas, prevent that a large amount of flue gases from entering into bavin passage 14-2.

Deflector 14-5 is set and contributes to the flue gas in bavin passage 14-2 to flow into gap 14-4, smoke barrier 14-6 is set and contributes to reduce the exhaust gas volumn entering into bavin passage 14-2.

In addition, along with new wind constantly enters from wind complement port 11-1, also contribute to reduce the temperature that adds bavin chamber 14 outside end walls, reduce and scald risk.

embodiment 3

Figure 6 shows that another kind of embodiment of the present utility model.

Compared with embodiment 2, the difference of this embodiment 3 is:

(1) on the sidewall that enters bavin mouth 1-8 place and be separated into bavin mouth 1-8 and interval 1-3, be provided with the through hole 15 for the flue gas that enters into bavin mouth 1-8 being introduced to interval 1-3.In the situation that guaranteeing that flue gas can reliably be introduced interval 1-3, through hole 15 can be set to one, also can be set to multiple.Under the swabbing action of external chimney, the flue gas that enters into bavin mouth 1-8 from burner hearth 2 will be inhaled into interval 1-3 via through hole 15, further reduces thus the danger that flue gas is overflowed through fire door 11.

(2) in the 1-3 of interval, corresponding each venthole 1-4 is provided with gas baffle 16, and when making, each baffle plate 16 both arranges separately, also can several adjacent baffle plates connects in aggregatesly, can also all baffle plates be connected in aggregates.

As shown in Figure 6, the upper end of baffle plate 16 and inner core 1-2 join, and between lower end and diapire 1-5, leave interval, in vertical direction, maintain a gap with venthole 1-4.By this design, in the time that the high-temperature flue gas of the interior burning generation of burner hearth 2 enters interval 1-3 from the venthole 1-4 of inner core 1-2 bottom, the interval that will be subject to stopping of baffle plate and flow through between lower end and diapire 1-5, discharges from the exhanst gas outlet 1-7 being positioned at urceolus 1-1 upper portion side wall around inner core 1-2.Like this, further increase the heat exchange performance of high-temperature flue gas and body of heater.

By baffle plate 16 is set, further increase the heat exchange performance of high-temperature flue gas and body of heater, the also further balanced swabbing action at each position of outside chimney to burner hearth 2.Be understandable that, in spiritual scope of the present invention, those skilled in the art can make the various distortion about baffle plate.

It should be noted that, the through hole 15 in embodiment 3 and baffle plate 16 can adopt simultaneously on wood stove, also can only adopt one of them.

Above-mentioned example, just for the utility model is described, does not limit the utility model.

Claims

1. a wood stove, comprises body of heater, is provided with burner hearth in body of heater, is provided with into bavin mouth and exhanst gas outlet on burner hearth sidewall; It is characterized in that, described burner hearth sidewall is double-decker, formed by inner core and urceolus suit, between inside and outside cylinder, leave interval, described exhanst gas outlet is arranged on outer tube side wall and with described interval and is connected, described in enter bavin mouth through being connected with burner hearth after burner hearth sidewall, middle part and/or the bottom of inner core sidewall short transverse are provided with venthole, flue gas in burner hearth enters described interval through venthole, and discharges via exhanst gas outlet.

2. wood stove as claimed in claim 1, is characterized in that, on described inner core sidewall, is provided with at least two described ventholes around described burner hearth, and described venthole is positioned at the bottom of described inner core sidewall near its lower end.

3. wood stove as claimed in claim 1, is characterized in that, in described interval, corresponding each described venthole is provided with gas baffle, and each baffle plate all arranges separately, or several adjacent screen connections are in aggregates, or all baffle plates connect in aggregates.

4. wood stove as claimed in claim 1, is characterized in that, described in enter on the sidewall that Chai Kouchu is separated into bavin mouth and described interval to be provided with the through hole for the flue gas that enters into bavin mouth being introduced to described interval.

5. wood stove as claimed in claim 1, it is characterized in that, described body of heater upper end is with table, described inner core upper end is fixedly connected with described table, the table lower surface place corresponding with described urceolus upper end is provided with a bulge loop, urceolus upper surface and upper end outer surface join with table lower surface and the inboard surface of bulge loop respectively, make thus to form and removably connect between urceolus upper end and table.

6. wood stove as claimed in claim 1 or 2, it is characterized in that, described burner hearth sidewall adds bavin chamber at the external tubular of the described Chai Kouchu of entering, this adds, and bavin is indoor is separated into upper and lower two chambers by a diaphragm plate, and diaphragm plate leaves the gap that is communicated with two chambers away from the outboard end of burner hearth sidewall with adding between the outside end wall of bavin chamber; Add the indoor lower chambers of bavin and join as entering its inboard end of bavin passage and entering bavin mouth, upper chamber is connected with described interval as returning its inboard end of cigarette channel, adds corresponding lower chambers on the end wall of bavin outside and is provided with fire door.

7. wood stove as claimed in claim 6, is characterized in that, described in add on the end wall of bavin outside, described in correspondence, enter on bavin passage or described fire door, be also provided with one or more for mend the wind complement port of wind to described bottom chamber.

8. wood stove as claimed in claim 6, is characterized in that, described in add bavin chamber bottom chamber also arrange one or multi-channel for the deflector to described gap location by the flue gas guiding of lower chambers near described gap location.

9. wood stove as claimed in claim 8, is characterized in that, described bottom chamber is also provided with in the inboard of described deflector the smoke barrier that the flue gas for stopping in described burner hearth enters.

10. wood stove as claimed in claim 1, is characterized in that, described body of heater is made up of upper and lower two parts, is seated on lower part body of heater with the upper part body of heater of fire grate, ash port and described burner hearth, and upper and lower two parts body of heater removably connects by bolt; The adjustment doors of described ash port is slidably supported on lower part body of heater by pole.