CN2307205Y

CN2307205Y - Coal-fired furnace with adjustable rotary double layer furnace bottom

Info

Publication number: CN2307205Y
Application number: CN 97217056
Authority: CN
Inventors: 赵玉璞
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-05-18
Filing date: 1997-05-18
Publication date: 1999-02-10
Anticipated expiration: 2007-05-18

Abstract

The utility model relates to a coal-fired furnace with an adjustable rotary double layer furnace bottom. The furnace bottom comprises an upper layer and a lower layer; grate bars on the two layer furnace bottoms are mutually parallel and staggered. The furnace bottoms are provided with broken posts, and the upper layer broken posts and the lower layer broken posts are mutually staggered; the upper layer furnace bottom is fixed, however, the lower layer furnace bottom can reciprocate; the void width between the grate bars can be increased when the furnace bottom crush the coal cinder; the interstice between the coal is adjusted to make the broken coal cinder smoothly cleaned into an ash storage box, thus, the normal combustion of the coal burning is not affected; the operation saves time and labor, and is sanitary and clean. The utility model can be matched with various coal-fired furnaces.

Description

Has the coal furnace at the bottom of the adjustable rotary double-deck furnace

The utility model relates to coal furnace, more particularly is the coal furnace that has at the bottom of the adjustable rotary double-deck furnace.

At present, there is following shortcoming in the various coal furnace furnace bottoms that people use, and furnace bottom is an individual layer, the neutral gear narrower in width on the furnace bottom and immobilizing, and the neutral gear between the fire bars plays Lou slag draught effect; In coal-fired process, need often to remove cinder, increase the space between the coal-fired piece, be beneficial to ventilate, fire coal is burnt better; The method of scarfing cinder is firmly at the bottom of the travelling oven, but than the big cinder of neutral gear on the furnace bottom and the big slag of caking, depend merely on the furnace bottom own activity and can not fall in the stored ash box, must lose in each neutral gear with fiery hook and collude cracked cinder, but collude less than the place just formed clear sordid dead angle; Because firmly at the bottom of the travelling oven, the fire coal layer on the furnace bottom is also and then moved, and become closely knit and the influence ventilation, the utmost point is unfavorable for burning of coal; And aforesaid operations both wasted time and energy, and was unhygienic again, went back contaminated air.

The purpose of this utility model will provide a kind of exactly can overcome above-mentioned shortcoming, has the coal furnace at the bottom of the adjustable rotary double-deck furnace, and this stove can be transferred the neutral gear width on the wide furnace bottom under the situation of coal-fired normal combustion.Can also thoroughly remove cinder by broken cinder layer again, can also increase the ventilation voids between the fire coal.

In order to achieve the above object, feature of the present utility model is that this furnace bottom comprises upper and lower two-layer, and the fire bars (7-2) on the upper and lower layer river bottom protection (7) (6) (6-2) is parallel to each other and is staggered is that fire bars on lower floor's furnace bottom is corresponding with the neutral gear on the furnace bottom of upper strata: be respectively equipped with a plurality of broken posts (7-1) that make progress (6-3) on the fire bars of upper and lower layer of furnace bottom; Furnace bottom motionless but lower floor's furnace bottom in upper strata can move back and forth on the direction perpendicular to fire bars.

With the perpendicular direction of fire bars (6-2) on, lower floor's furnace bottom (6) cooperates with pallet (4), furnace shell (1) formation activity by the left and right lower support axle (2) (9) that is packed in its relative both sides.

With the perpendicular direction of fire bars (7-2) on, the left and right upper support axle (5) (8) of upper strata furnace bottom (7) by being packed in its relative both sides cooperates with boss (6-1) formation activity on lower floor's furnace bottom (6); The outer end of left and right upper support axle all can contact with pallet (4).

Bottom right bolster (9) is positioned at the outer end of furnace shell and is provided with crank (13); The shift fork of drive rod (11) one ends matches with annular groove (9-1) on the bolster of bottom right, and the intermediate portion cooperates with rotating shaft (12) formation activity in the support (10), and support is packed on pallet (4) and the furnace shell (1).

With the perpendicular direction of left and right upper support axle (5) (8) on, preceding bolster (14) and furnace shell (1) pallet (4) and upper strata furnace bottom (7) all formation activity cooperate.

This furnace bottom comprises, two-layer down, on, fire bars on lower floor's furnace bottom is parallel to each other and is staggered be lower floor's fire bars with the upper strata fire bars between neutral gear corresponding, the upper strata fire bars is corresponding with the neutral gear between the lower floor fire bars, on, broken post on lower floor's furnace bottom is interlaced and be uneven, thereby when rotation of drive rod, can the upper strata furnace bottom is motionless promptly support coal-fired normal combustion in lower floor's furnace bottom move back and forth, both made and motionless broken post between cinder layer squeezed broken, increased the width of neutral gear between the fire bars again, be convenient to the removing of cracked cinder, also increased the ventilation voids between the fire coal.All burnt can make at the bottom of the double-deck furnace several weeks of positive and negative rotation simultaneously by crank, only needs 3-4 kind second just can remove cinder fully; Because aforesaid operations all carries out outside stove and body of heater is in air-tight state, thereby both time saving and energy saving, again clean hygiene.

Below in conjunction with accompanying drawing the utility model is described further:

Description of drawings: Fig. 1 is the partial sectional view with the coal furnace at the bottom of the adjustable rotary double-deck furnace

Fig. 2 is the A-A cutaway view of Fig. 1

Fig. 3 is the B-B cutaway view of Fig. 2

Fig. 4 is the C-C cutaway view of Fig. 1

Fig. 5 is the D-D cutaway view of Fig. 2

Fig. 6 is the E-E cutaway view of Fig. 1

Fig. 7 is the F-F cutaway view of Fig. 2

Fig. 8 is the G-G cutaway view of Fig. 2

As seen from the figure, be welded with cradle (3) on the internal chamber wall of furnace shell (1), be used to place pallet (4), the center of pallet is the through hole of furnace bottom under can holding, and the shape of this through hole and furnace bottom profile match; Furnace bottom comprises two-layer up and down, on, fire bars (7-2) on lower floor's furnace bottom (7) (6) (6-2) be parallel to each other and lower floor's furnace bottom on fire bars corresponding with the neutral gear on the furnace bottom of upper strata, on, the compartment of terrain is provided with a plurality of broken posts (7-1) that make progress (6-3) on the fire bars of lower floor's furnace bottom, with the broken post on one deck furnace bottom can the height alternate, interlaced arrangement, also but the broken post on the furnace bottom of upper strata is lower than the lower floor, but also can only on lower floor's furnace bottom, be provided with broken post and do not establish on the furnace bottom of upper strata, the cross section of upper strata fire bars is trapezoidal, the cross section of lower floor's fire bars is a triangle, and broken post is the triangular prism that has sharp rib, quadrangular etc.

The left and right sides of upper strata furnace bottom (7) installs an end of left and right upper support axle (5) (8), and its other end cooperates with boss (6-1) the formation activity of lower floor's furnace bottom (6) left and right sides respectively, and can contact with pallet centre bore wall; The left and right sides of lower floor's furnace bottom installs an end of left and right lower support axle (2) (9), and its other end cooperates with boss, furnace shell (1) the formation activity of pallet (4) bottom respectively; Above-mentioned left and right upper support axle and left and right lower support axle lay respectively on the same straight line, and pass through the center of upper and lower furnace bottom respectively, and perpendicular with fire bars; With the perpendicular direction of left and right lower support axle on, the double polarizing keys of preceding bolster (14) and furnace shell (1), pallet (4) bottom and the middle fire bars on the furnace bottom of upper strata all formation activity cooperate; The end that the bottom right bolster (9) that matches with the lower floor furnace bottom is positioned at furnace shell is provided with crank (13), install support (10) on furnace shell (1) and the pallet (4), the rotating shaft that matches with support (12) forms movable the cooperation with the mid portion of drive rod (11) again, and the shift fork of drive rod one end matches with annular groove (9-1) on the bolster of bottom right.

The operation principle of this furnace bottom is in coal-fired process, because the motionless upper strata furnace bottom that guarantees of upper strata furnace bottom (7) supports coal-fired normal combustion, can drive lower floor's furnace bottom move left and right by drive rod (11) move left and right, can regulate the width of neutral gear between the fire bars so within the specific limits arbitrarily, can make the broken post on the upper and lower layer furnace bottom squeeze the broken coal slag blanket again, and it is advanced in the stored ash box from level to level by cleaning, certainly, also rotatable crank (13) rotates lower floor's furnace bottom front and back in small range, be beneficial to remove the cinder that is clipped between the fire bars, do not stay the dead angle.By aforesaid operations, can regulate space between the fire coal again, be beneficial to ventilate and fired coal combustion.Behind all burnt, can from the hole of upper strata furnace bottom, extract preceding bolster (14).Rotate crank (13) and make furnace bottom while in several weeks of positive and negative rotation up and down.Just the cinder on the furnace bottom, grey complete liquidation are advanced in the stored ash box in second at 3-4, and definitely carry out under air-tight state, every operation all carries out outside furnace shell.Behind the clear intact cinder, again furnace bottom is gone back to normal vertically-arranged, and preceding bolster is inserted in the hole of upper strata furnace bottom.

Broken post height on the upper and lower layer furnace bottom is not as the criterion not burn, and generally exceeds about 3 centimeters on furnace bottom plane, upper strata, and this highly generally is the retention layer of cinder, and it is provided with density and can determines according to the kind of fire coal.This fragmentation post can be cast into one with furnace bottom, also can make separately of resistant to elevated temperatures alloy material, and then be installed to above the furnace bottom.

This furnace bottom can with supporting uses such as various coal furnaces, tea furnace, heating cast iron stove and boiler.

Claims

1, has coal furnace at the bottom of the adjustable rotary double-deck furnace, be provided with pallet, furnace bottom, burner hearth, Shui Bao, heat-insulation layer and stored ash box in the furnace shell inner chamber, it is characterized in that this furnace bottom comprises upper and lower layer furnace bottom (7), (6), fire bars (7-2), (6-2) on the upper and lower layer furnace bottom is parallel to each other and is staggered is that fire bars on lower floor's furnace bottom is corresponding with the neutral gear on the furnace bottom of upper strata; Be respectively equipped with a plurality of broken post (7-1), (6-3) that make progress on the fire bars of upper and lower layer furnace bottom; Furnace bottom motionless but lower floor's furnace bottom in upper strata can move back and forth on the direction perpendicular to fire bars.

2, the coal furnace that has at the bottom of the adjustable rotary double-deck furnace according to claim 1, it is characterized in that described lower floor furnace bottom (6) by be packed in its relative both sides and be positioned at the perpendicular direction of fire bars (6-2) on left and right lower support axle (2), (9) cooperate with pallet (4), furnace shell (1) formation activity.

3, the coal furnace that has at the bottom of the adjustable rotary double-deck furnace according to claim 1, it is characterized in that described upper strata furnace bottom (7) by be packed in its relative both sides and be positioned at the perpendicular direction of fire bars (7-2) on left and right upper support axle (5) (8) cooperate with boss (6-1) formation activity on the lower floor furnace bottom, the outer end of left and right upper support axle all can contact with pallet (4).

4, the coal furnace that has at the bottom of the adjustable rotary double-deck furnace according to claim 1 and 2, it is characterized in that described bottom right bolster (9) is positioned at the outer end of furnace shell (1) and is provided with crank (13): the shift fork of drive rod (11) one ends matches with annular groove (9-1) on the bolster of bottom right, the intermediate portion cooperates with rotating shaft (12) formation activity in the support (10), and support is packed on pallet (4) and the furnace shell (1).

5, according to claim 1 or the 3 described coal furnaces that have at the bottom of the adjustable rotary double-deck furnace, its hold levy be with the perpendicular direction of left and right upper support axle (5) (8) on, preceding bolster (14) and furnace shell (1), pallet (4) and upper strata furnace bottom (7) all formation activity cooperate.