CN201652433U

CN201652433U - Coal and firewood stove

Info

Publication number: CN201652433U
Application number: CN201020131447XU
Authority: CN
Inventors: 李红杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-16
Filing date: 2010-03-16
Publication date: 2010-11-24
Anticipated expiration: 2020-03-16

Abstract

The utility model discloses a coal and firewood stove, which structurally comprises a top face. A cooking opening communicated with a combustion chamber, and a fuel feeding inlet communicated with a fuel feeding passage are arranged on the top face, the combustion chamber is arranged below the top face, a grate is disposed at the inner bottom of the combustion chamber, an air passage and a dust hopper are arranged below the grate, and a flue gas passage communicated with the combustion chamber is further arranged below the top face. In modification, the coal and firewood stove is characterized in that another grate is further arranged inside the combustion chamber. The coal and firewood stove has the advantages that the grate which is lapped with the inner wall of the combustion chamber and can be mounted and demounted at any time is disposed in the upper middle of the combustion chamber, and the grate can shorten the distance between flame and a cooking utensil, effectively utilizes outer flame for heating, can effectively increase utilization rate of firewood, reduces use of the firewood for generating equal heat, and can save resources. The coal and firewood stove can enlarge the contact area between the cooking utensil and the flame to increase utilization rate of heat generated by fuels in combustion by the arranged the cooking opening between the combustion chamber and the flue gas passage.

Description

A kind of coal and firewood two purpose stove

Technical field

The utility model has related to a kind of domestic burners, particularly a kind of coal and firewood two purpose stove.

Background technology

At present, in the middle of vast rural area, most of peasant household still utilizes burning faggot and coal to cook, heating, comprise in the normally used coal stove structure, table top, offer the cooking mouth that is communicated with the combustion chamber on the table top, bunkering port, the table top below is provided with the combustion chamber, the combustion chamber inner bottom part is provided with fire grate, the fire grate below is provided with air channel and ash bucket, the table top below also is provided with the exhaust gases passes that is communicated with the combustion chamber, in use fire coal is put into the combustion chamber and burns, and sidewall of combustion chamber is that Heat Conduction Material is made, in the process of coal combustion, can play the effect of heating, owing in the bottom, combustion chamber the air channel is set,, can utilizes flare to bring the hot-fluid that upwards flows to cook again so coal combustion chamber produces flare upwards, cooking activity such as heat up water, but the fire grate of common coal stove is arranged on the bottom, combustion chamber, utilize faggot burning warm oneself or cooking in the heat utilization ratio that produces of faggot burning lower, and then employed faggot amount just increases, and causes certain wasting of resources.In addition on the one hand, the combustion chamber of existing coal stove and cooking mouth over against, when air enters from the air channel, when forming negative pressure in the exhaust gases passes, flare can be partial to exhaust gases passes and be flowed, so the cooker bottom can only touch the part flare, causes heat utilization ratio to reduce.

The utility model content

The utility model provides a kind of coal and firewood two purpose stove, and the low problem of heat utilization ratio when burning bavin to solve common coal stove can effectively improve the utilization rate of bavin and the heat utilization ratio that fuel combustion produces, and economizes on resources.

The technical scheme of Cai Yonging is for achieving the above object: a kind of coal and firewood two purpose stove, comprise in its structure: table top, the fuel of offering the cooking mouth that is communicated with the combustion chamber on the table top, adding channel connection with fuel adds mouthful, the table top below is provided with the combustion chamber, the combustion chamber inner bottom part is provided with fire grate, the fire grate below is provided with air channel and ash bucket, and the table top below also is provided with the exhaust gases passes that is communicated with the combustion chamber, and its key improvements is: also be provided with a fire grate in the combustion chamber.

The support overlap joint that is provided with on above-mentioned fire grate and the combustion chamber inwall.

Cooking mouth on the above-mentioned table top is arranged between combustion chamber and the exhaust gases passes.

Above-mentioned exhaust gases passes is arranged on combustion chamber one side, is provided for supporting the support of exhaust gases passes on the outer wall of combustion chamber.

Above-mentioned combustion chamber outer bottom is provided with supporting leg.

Above-mentioned combustion chamber arranged outside rocking arm, rocking arm is affixed with the lateral shaft that is connected on the fire grate, and the spacing card of rotating rocking arm is set on outer wall of combustion chamber.

The spacing card of above-mentioned rocking arm is installed on the outer wall of combustion chamber, and the position is corresponding with rocking arm, comprises in its structure on the locating piece that is cemented on the outer wall of combustion chamber, the locating piece being consolidated with a U-shaped card on hinged rotating shaft, the rotating shaft.

Above-mentioned ash bucket is a drawer structure.

Adopt the beneficial effect that technique scheme produced to be: to be provided with in the middle and upper part, combustion chamber and combustion chamber inwall overlap joint, at any time the fire grate of installing/dismounting, when burning coal, the fire grate of middle and upper part is pulled down, only utilize the fire grate that is arranged on the bottom, combustion chamber, the fire grate that then will be arranged on the middle and upper part, combustion chamber when burning bavin is loaded onto, bavin only burns on the fire grate of top, distance between burning flare and the cooking instrument furthers, effectively utilize the flame envelope heating of flare, can effectively improve the utilization rate of bavin, minimizing utilizes identical heat and uses less bavin, can economize on resources.The utility model can also be by being arranged on the cooking mouth between combustion chamber and the exhaust gases passes, and the contact area that increases cooker and flare improves the utilization rate of heat that fuel combustion produces.

Description of drawings

Fig. 1 is the cutaway view of the utility model front view;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the vertical view of Fig. 1;

Fig. 4 is the utility model structural representation;

1, table top; 2, fuel adds passage; 3, combustion chamber; 4, ash bucket; 5, supporting leg; 6, air channel; 7, exhaust gases passes; 8, rocking arm; 9, fire grate; 10, fire grate; 11, support; 12, cooking mouth; 13, the spacing card of rocking arm; 14, baffle plate;

Further the utility model is described in detail below in conjunction with accompanying drawing.

The specific embodiment

For making above-mentioned purpose of the present utility model, feature and beneficial effect can become apparent more, below in conjunction with the drawings and specific embodiments among the utility model embodiment, the technical scheme among the utility model embodiment are clearly and completely described.

A kind of coal and firewood two purpose stove, comprise in its structure: table top 1, offer the cooking mouth 12 that is communicated with combustion chamber 3, the fuel interpolation mouth that is communicated with fuel interpolation passage 2 on the table top 1, table top 1 below is provided with combustion chamber 3, combustion chamber 3 inner bottom parts are provided with fire grate 9, fire grate 9 belows are provided with air channel 6 and ash bucket 4, and table top 1 below also is provided with the exhaust gases passes 7 that is communicated with the combustion chamber, and its key improvements is: also be provided with a fire grate 10 in the combustion chamber 3.Cooking mouth 12 is to the certain distance of exhaust gases passes direction biasing, and effect is to improve the utilization rate of coal or the bavin burning heat that produces.

The support overlap joint that is provided with on above-mentioned fire grate 10 and combustion chamber 3 inwalls, when burning coal, fire grate 10 is pulled down, utilize fire grate 9 just can realize burning coal, load onto fire grate 10 when burning bavin, bavin burns on fire grate 10, the flare position that produces is higher, therefore can utilize the flare flame envelope to carry out cooking and heating, can make full use of the heat that the bavin burning is produced, the heat that is produced in order effectively to utilize fuel combustion is arranged on cooking mouth on the table top 1 to direction of exhaust gases passes direction biasing, between combustion chamber and exhaust gases passes.

Above-mentioned exhaust gases passes 7 is arranged on combustion chamber 3 one sides, be provided for supporting the support 11 of exhaust gases passes on 3 outer walls of combustion chamber, exhaust gases passes can be connected to outdoor by chimney, because outdoor air flows, form negative pressure in the chimney, then the flue gas that produced of coal or bavin burning will flow to the exhaust gases passes direction, and then heating is placed on the cooking utensils on the cooking mouth.

Above-mentioned combustion chamber 3 outer bottoms are provided with 5, three supporting legs of supporting leg along evenly distributing on the furnace bottom circumference, and effect is the stationary furnace body.

Above-mentioned combustion chamber 3 arranged outside rocking arms 8; rocking arm is affixed with the lateral shaft that is connected on the fire grate 9; when burning coal; can rotate rocking arm; rocking arm drives the lateral shaft that is connected on the fire grate 9; and fixedly connected between lateral shaft and the fire grate 9; and then can realize that fire grate 9 is around the lateral shaft fine rotation; can allow the ashes that coal combustion produced fall into ash bucket 4 like this; also can increase the contact area of coal and air, improve burning of coal efficient, arbitrarily swing obsolete the time in order to prevent rocking arm 8; the spacing card of rocking arm is set on outer wall of combustion chamber; this spacing card comprises the flat board that is arranged on the outer wall of combustion chamber, dull and stereotyped top is provided with rotating shaft, and a U-shaped card is set on the rotating shaft; rotating rotating shaft can be stuck in the openend of U-shaped card on the rocking arm, stops the motion of rocking arm.

Above-mentioned ash bucket 4 is a drawer structure, and ash bucket 4 is installed in the middle of the air channel 6, and folding arbitrarily also can be extracted out from air channel 6, is mainly used in to collect the ashes that produced in coal, the bavin combustion process, keeps the cleaning of usage space.

The utility model also can be provided for regulating the baffle plate 14 of flue gas flow at the exhaust gases passes middle part, when banking up a fire, to pressing down baffle plate 14, dwindles the overcurrent size of exhaust gases passes, is beneficial to like this and banks up a fire, and can save the use amount of coal; When cooking and heating, can suitably remove deep bead, increase the overcurrent size of exhaust gases passes, increase the air capacity that enters the combustion chamber from the air channel, improve the combustion rate of coal bavin.

Claims

1. coal and firewood two purpose stove, comprise in its structure: table top (1), offer the cooking mouth (12) that is communicated with combustion chamber (3), the fuel interpolation mouth that is communicated with fuel interpolation passage (2) on the table top (1), table top (1) below is provided with combustion chamber (3), combustion chamber (3) inner bottom part is provided with fire grate (9), fire grate (9) below is provided with air channel (6) and ash bucket (4), and table top (1) below also is provided with the exhaust gases passes (7) that is communicated with the combustion chamber, it is characterized in that: also be provided with a fire grate (10) in combustion chamber (3).

2. a kind of coal and firewood two purpose stove according to claim 1 is characterized in that: the support overlap joint that is provided with on described fire grate (10) and combustion chamber (3) inwall.

3. a kind of coal and firewood two purpose stove according to claim 1 is characterized in that: the cooking mouth (12) on the described table top (1) is arranged between combustion chamber (3) and the exhaust gases passes (7).

4. according to claim 1 or 3 described a kind of coal and firewood two purpose stoves, it is characterized in that: described exhaust gases passes (7) is arranged on combustion chamber (3) one sides, is provided for supporting the support (11) of exhaust gases passes on the outer wall of combustion chamber (3).

5. a kind of coal and firewood two purpose stove according to claim 4 is characterized in that: described combustion chamber (3) outer bottom is provided with supporting leg (5).

6. a kind of coal and firewood two purpose stove according to claim 5, it is characterized in that: described combustion chamber (3) arranged outside rocking arm (8); rocking arm (8) is affixed with the lateral shaft that is connected on the fire grate (9), and the spacing card of rotating rocking arm (13) is set on outer wall of combustion chamber.

7. a kind of coal and firewood two purpose stove according to claim 6, it is characterized in that: the spacing card of described rocking arm (13) is installed on the outer wall of combustion chamber, the position is corresponding with rocking arm (8), comprises in its structure on the locating piece that is cemented on the outer wall of combustion chamber, the locating piece being consolidated with a U-shaped card on hinged rotating shaft, the rotating shaft.

8. a kind of coal and firewood two purpose stove according to claim 7 is characterized in that: described ash bucket (4) is a drawer structure.

9. a kind of coal and firewood two purpose stove according to claim 8 is characterized in that: described exhaust gases passes middle part is provided for regulating the baffle plate (14) of flue gas flow.