CN2073545U - Stove inner part with multi functions and high efficiency - Google Patents

Abstract

The utility model discloses a stove core with multi functions and high efficiency for the industries of tea processing, food processing and restaurants, composed of a stove body, a stove core, an annular primary wind chamber, a secondary wind chamber and a conical cinder removing mechanism. The lower part of the stove core of the stove is converged, and the upper part forms an expanding rotating hyperboloid shape or a similar horn shape. The lower end of the stove core is also provided with a cylindrical temporary cinder storing chamber which utilizes the residual heat of the cinder for heating the combustion air. The outer wall of the primary wind chamber is also connected with a cinder outlet hole in tangential direction. For the stove to use various fuels and normally combust under the condition that the compulsory wind is not available, the upper end of the stove core is additionally provided with a grate which is used at necessary occasions.

Description

Stove inner part with multi functions and high efficiency

A kind of multifunctional efficient kitchen range core is applicable to the cauldron cooking stove of tea making, food processing and catering industry.

A kind of life energy-saving kitchen range (Chinese patent: be to act as a fuel with the coal that looses 87203781), adopt the air blast range of the combustion-supporting form of combustion chamber sidepiece air intake is arranged at present.The kitchen range core assembly of this kitchen range is by a garden cylindricality or butt taper body of heater, packs into therebetween less than the hollow garden cylindricality or the butt taper combustion chamber of body of heater.Between body of heater and combustion chamber, form an annular passage like this.And the air blast blast pipe connects this air channel with the tangent line form.Evenly be covered with aperture on the side wall of combustion chamber, the garden annular cover plate is arranged above the combustion chamber, the top of cover plate also has secondary air channel and cover C shape circle reflection cap in the above, an able to turn on or off point garden awl slag dumping mechanism is housed in the bottom of body of heater, load onto cooking stove that this combustion chamber portion becomes and compare with common cooking stove that to have a programming rate very fast, the higher slag dumping of the thermal efficiency is characteristics easily.But this diffusing coal air blast range also exists some defectives when concrete the use, as: firepower is too concentrated during burning, makes the heating surface area of pot too small and local temperature is too high, has influenced this cooking stove promoting the use of in tea making industry and food processing industry.In addition, this cooking stove can only act as a fuel with the coal that looses, and the fuel of other types (as bavin, grass etc.) can not use.Under the situation of not forcing wind (having a power failure or other reasons), almost can not normal combustion.And, because the combustion chamber core wall of this clock kitchen range core is straight, caused the slag dumping excessive velocities, cause that easily slag dumping is out of control, and the slag temperature that draws off is too high.

The purpose of this utility model is that a kind of improved cooking stove kitchen range core will be provided, and this kitchen range core has bigger heating surface area, can be applicable to multiple industries such as tea making, food processing and diet; Can use polytype fuel and still can normal combustion when not forcing wind, and have the higher thermal efficiency.

The utility model is achieved in that the shape that changes combustion chamber, the shape of combustion chamber is made bottom convergence and top is the hyperboloid of revolution shape of expanding shape or the loudspeaker body similar to it, and suitably increases the capacity of combustion chamber.Like this, not only can increase the heating surface area of pot, slow down slag dumping speed, but also can reduce the number of times that adds fuel, make things convenient for the user.In order to improve the burn-off rate of fuel, reduce smoke discharge amount, also increase a secondary wind air compartment on the top of body of heater, connect the combustion-supporting circle of a secondary air again in the upper end of combustion chamber.In order to make full use of the waste heat of lime-ash, specially the lime-ash of setting up a hollow garden cylindricality in the bottom of combustion chamber is store the chamber temporarily, and the position of air inlet moved down, make the combustion air that enters body of heater at first contact the lime-ash that is filled with a large amount of waste heat slags and store the locular wall of chamber temporarily, heat exchange, it is combustion-supporting to enter the combustion zone again after air themperature is raise, and further improves the thermal efficiency.In addition, set up an ash hole in a side of body of heater annular passage (air compartment), this ash hole is connected with tangent line form and annular passage (air compartment), and its opening direction and air inlet are substantially in the same way and left-right symmetry.Like this, during lime-ash in removing the air channel, do not need blowing out to open cover plate and carry out manual removal, and only need open the ash hole plug, and increase the blow rate required, the lime-ash in the air channel just can blow out from ash hole.For reaching, the use that can adapt to pluralities of fuel do not forcing under the combustion-supporting situation of wind, and still can normal combustion.Can be at the additional grate in the upper end of combustion chamber.This grate when acting as a fuel (promptly do not force wind or with non-coal) just where necessary is added in the combustion chamber upper end, makes whole cooking stove become a kind of natural efficiently air draught kitchen range.

The utility model will be further described below in conjunction with drawings and Examples.

Fig. 1 is the main pseudosection of the utility model kitchen range core assembly;

Fig. 2 is attached view;

Fig. 3 is that figure is partly cutd open in side-looking, has added grate among the figure;

Fig. 4 is a kitchen range core annex---two views of grate.

In conjunction with Fig. 1, Fig. 2, Fig. 3, kitchen range core assembly of the present utility model mainly is made of body of heater 23, combustion chamber 18, outer guard ring 21, the combustion-supporting circle 1 of secondary air and taper ash discharging gear.Body of heater 23 is hollow ring bodies of cylinder iron casting and forming, and 120 ° the fixed bearing pin 4 of three protrusions of being separated by is arranged at the middle part of its outer rim, has the lime-ash of a hollow garden cylindricality to store chamber 6 temporarily in the centre of body of heater 23.Like this, between the outer wall that the inwall and the lime-ash of body of heater 23 are store chamber 6 temporarily, form the space of a garden annular.This garden annular space is formed annular passage---air compartment 5 of kitchen range core assembly with the outer wall of combustion chamber 18.Air inlet 19 and ash output opening 20 and air compartment 5 be with the connection that communicates of tangent line form, and its opening direction is the symmetry axis left-right symmetry substantially in the same way and with control stick 14.On air inlet 19, go back socket one airduct 16, the air door 15 that the wind intake is forced in a control is housed in the inside of airduct 16 1 ends.Also have a circle slotted hole 3 around the top of body of heater 23.The hyperboloid of revolution shape combustion chamber 18 of the convergence of bottom, top expansion is by the centre that is placed on body of heater 23, and dock with the upper end that lime-ash is store chamber 6 temporarily its underpart, the top snapping of top and body of heater 23.On the curved surface of combustion chamber 18, be covered with the combustion-supporting jet apertures 17 of wind one time.Be the outer guard ring 21 of breach annular and the upper end that the combustion-supporting circle 25 of secondary wind is enclosed within body of heater 23 top outer rims and combustion chamber 18 respectively.Like this, the outer wall on body of heater 23 tops is formed a secondary air chamber 2 with the inwall of outer guard ring 21 and the outer wall of the combustion-supporting circle 1 of secondary wind, and the cross section of this air compartment is subtriangular.The combustion-supporting jet apertures 28 of one to two row's secondary wind is arranged on the wall of the combustion-supporting circle 1 of secondary wind.In case of necessity, also can place a grate 22 in the upper end of combustion chamber 18.And taper slag dumping mechanism is made of bullet 7, push rod 9, supporting member 12, slag tap control stick 14 and weight 13.Push rod 18 is that threaded metallic rod is cut with scissors at two ends.Bullet 7 is fixed on the upper end of bar by one group of nut 8, and the lower end of bar then is connected with an end of control stick 14 by another group nut 10, and control stick 14 passes through a bearing pin 11 again and links to each other with supporting member 12, and supporting member 12 fasteners 24 are fixed on the body of heater 23.The other end of control stick 14 is leader's handles, and weight 3 just is set on the end of control stick 14 near handle.Weight can move forward and backward along control stick 14, pushes supporting member 12 to nearby the time when the handle of mentioning control stick 14 or with weight, and bullet 7 just can leave the bottom of body of heater 23, makes to be stored in lime-ash and to store slags in the chamber 6 temporarily and spill and unload.Depress the handle of control stick 14 and will levy hammer and move near the handle place, then bullet 7 just moves up, and (promptly seals the bottom that lime-ash is store chamber 6 temporarily) at the bottom of the closed furnace, and slag just stops to draw off.

The utility model is when specifically installing and using, the kitchen range core assembly should be contained in the stove hall of cooking stove, make combustion chamber 18 aim at the bottom of a pan (difference according to external conditions such as different use occasions and chimneys also can be advanced or be deflected away from partially), the fixed bearing pin 4 of three protrusions on the body of heater is built in the kitchen range wall, whole kitchen range core assembly can be stablized firmly.The fire distance of hanging of cooking stove is controlled between the 10-16cm according to different needs.Control stick 14 is in the centre position of cooking stove ash hall, and the port of airduct 16 is equipped with air blast, its power or change with the size and the fuel type of kitchen range.When design heating load is 7 kilograms/hour in 3.5 kilocalories, a consumption coal, then mate 90 watts of air blasts, design heating load is 50,000 kilocalories, 10 kilograms/hour in consumption coal then mates 120 watts of air blasts.As single be fuel with the bavin, then its coupling blower power is can corresponding minimizing a little.When act as a fuel with the coal that looses, under the condition of forced-air blast, the thermal efficiency of this kitchen range core reaches 48.23%, blackness of exhaustion is that Lin Geman is below 1 grade.At this moment, the course of work of kitchen range core assembly is such: enter normal combustion after the stage when coal cinder ignites, the pressure wind of air blast enters an air compartment 5 of annular from airduct 16 through air door 15, air draught at first contacts the lime-ash of the red-hot slag of inner contain and stores the outer wall (heat radiation wall) of chamber 6 temporarily, carries out heat exchange.Because the effect of air blast blast is through ejection the combustion-supporting jet apertures 17 of a wind of the high thermal current part after the heat exchange around combustion chamber 18.Because the shaped design of combustion chamber 18 becomes a big up and small down hyperboloid, so when entad spraying on the upper side with the normal to a surface direction in once combustion-supporting, can make flame be horn-like upwards expansion, and impel on the heat build-up high temperature circle in the combustion zone and move, form a combustion high temperature district that area is bigger, the high-temperature heating area of pot wall is increased.During some wind bundle ejection, can bump against the formation turbulent flow in the middle of combustion chamber 18, the oxygen supply area is increased, it is abundant to help fuel oxidation.The air-flow that enters an air compartment and from a combustion-supporting jet apertures of wind, do not spray, then enter in the secondary air chamber 2 through the slotted hole 3 on the body of heater 23, and then ejection the combustion-supporting jet apertures 25 of secondary wind from the combustion-supporting circle 1 of secondary wind, air intake helps oxygen for the combustion zone provides for the second time, and under the unburnt particulate fuel pressure that will in the combustion zone, dance in the air in the air, make full combustion of fuel, reduce the discharge capacity of flue dust, reduce and pollute.When under not forcing the wind condition, using the cooking stove that the utility model proposed, grate 22 is placed on the upper port of combustion chamber 18, fuel then is added on the grate.Mention control stick 14 again, the slag of fully opening the body of heater bottom unloads outlet, gets final product normal combustion behind the pilot fuel.At this moment, because the effect of chimney air draught, the slag that portion of air is opened from bottom of furnace body unloads outlet and enters, and flows upward combustion-supporting by grate 22.Another part natural wind then aperture on airduct 16 and the combustion chamber 18 enters air compartment 5 one time, enter in the secondary air chamber 2 by slotted hole 3 again, come out to enter the combustion zone from the combustion-supporting jet apertures 25 of secondary wind at last, carry out secondary air and help burning, improve the burn-off rate and the thermal efficiency of fuel.It should be noted that when using non-coal fuel,, fuel is burnt on grate, just can reach ideal effect no matter whether there is the wind of pressure all will add grate.

Because UNICOM's form of the air inlet 19 of this kitchen range core assembly and ash output opening 20 and an air compartment 5 is identical and at same direction opening, so when mounted, can choose one of them wantonly as air inlet, airduct 16 is connected with it, refill air blast at the other end of airduct 16, and other end opening is just as ash output opening.When usual the use, ash output opening should stop up.Because air blast is contained in the cooking stove outside, need occupy certain space, so the position of air inlet can be selected, conditional use occasion provides the bigger room for maneuver for the cooking stove space outerpace.

At the tea making industry, the tea making industry that particularly adopts two pots to complete, the shaped upper part of the combustion-supporting circle 1 of its secondary can be made into the ellipse garden shape of stretching backward, is beneficial to improve second pot received heat and heating surface area of back.In addition, durable in use in order to guarantee the combustion chamber that often is in the high temperature, the manufactured materials of combustion chamber preferably adopts the high temperature resistant cast iron materials that infiltrates element silicon.

Claims (4)

1, a kind of multifunctional efficient kitchen range core that is used for tea making, food processing and catering industry, form by body of heater (23), combustion chamber (18) and the air compartment of annular (5) that between body of heater and combustion chamber, forms, evenly be covered with aperture on the wall of combustion chamber (18), air inlet (19) links with the outer wall of an air compartment of tangent line form and annular, also be equipped with one at bottom of furnace body and utilize weight (13), control stick (14) to control the taper slag dumping mechanism of keying, it is characterized in that:

The shape of a combustion chamber (18) is that bottom convergence and top are the hyperboloid of revolution of expanding shape or the loudspeaker body similar to it,

B body of heater (23) top outer rim have one with the outer wall of the combustion-supporting circle of secondary wind (1) and outside the secondary air chamber (2) that forms of guard ring (21) inwall;

C also is provided with one and can utilizes the lime-ash of afterheat of slags to store chamber (6) temporarily in the bottom of combustion chamber (18);

D 1 is that the bottom 1 of body of heater (23) outer wall has additional an ash output opening (20) on the outer wall of an air compartment (5) of annular;

E in case of necessity, the upper end of combustion chamber (18) also can add a grate (22).

2, multifunctional efficient kitchen range core according to claim 1 is characterized in that ash output opening (20) links with the outer wall of an air compartment (5) of tangent line form with annular, and is symmetry axis and air inlet (19) left-right symmetry with control stick (14).

3, multifunctional efficient kitchen range core according to claim 1 is characterized in that it is a hollow Cylinder that said lime-ash is store chamber (6) temporarily, and its upper end is connected with combustion chamber (18), and lower openings place and body of heater (23) are linked to be an integral body.

4, multifunctional efficient kitchen range core according to claim 1 is characterized in that said combustion chamber (18) is to adopt the high temperature resistant cast iron materials that infiltrates element silicon to make.

Images