CN2816044Y

CN2816044Y - Improved straw gas-making furnace

Info

Publication number: CN2816044Y
Application number: CN 200520104843
Authority: CN
Inventors: 王风力
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-08-05
Filing date: 2005-08-05
Publication date: 2006-09-13
Anticipated expiration: 2015-08-05

Abstract

The utility model discloses an improved straw gas generating furnace which comprises a furnace barrel body, an inner furnace chamber, a blower fan, a fuel gas separator and fire grates. The bottom of the inner furnace chamber is in contact with an annular partition plate ring which is transversely arranged in the furnace barrel body, and air blowing holes of which the diameters are all from six mm to ten mm are uniformly distributed on the surrounding wall of the inner furnace chamber. An annular air heating pressurizing barn is formed between the inner furnace chamber and the furnace barrel body, an air dividing sleeve is sheathed with the outer part at the lower part of the inner furnace chamber and an annular air passage is formed between the air dividing sleeve and the wall of the inner furnace chamber. The top end of the air dividing sleeve is folded outwards to form an annular flange of which the outer circumference is fixedly connected with the inner surrounding wall of the furnace barrel body in a sealing mode, an inlet gaps are uniformly distributed on the circumference of the bottom of the air dividing sleeve which is adjacent to the partition plate ring and one side wall of the furnace barrel body between the annular flange of the air dividing sleeve and the partition plate ring is connected with an air outlet pipe of the blower fan. The gas supply quantity of fuel gas generated by the utility model is stable, and the overall burning time of the fuel gas is extended. Besides, the utility model has the advantages of reasonable and simple structure and low cost.

Description

Improved stalk producer

Technical field

The utility model belongs to the improvement of Straw gas combustion stove, particularly improved stalk producer.

Background technology

At present, the gasification stove that utilizes farm crop smoldering pyrolysis such as stalk to produce inflammable gas has progressively obtained popularization in the vast Rural areas of China, and this technology efficiently solves the rural energy problem of shortage, has effectively promoted rural economic development.The common Straw gas combustion stove (being respectively CN2477951Y and two parts of disclosed Straw gas combustion stoves of Chinese utility model patent specification sheets of CN2467517Y) as notification number by furnace tube, be installed in the intravital back taper tubular internal furnace of stove letter and gas blower, degassing chamber etc. and form, fire grate is equipped with in the internal furnace lower end, the uniform blowhole that is being provided with on the internal furnace perisporium, the wind that gas blower is blown into are sent in the internal furnace by these blowhole and use for stalk pyrolysis oxidation.Traditional Straw gas combustion stove is just dried in internal furnace with gas blower simply, the blowing amount is effectively control not, and the size of blowing amount directly influence the combustion gas of producing can stable burning and the length of combustion time, therefore, the ubiquitous deficiency of these Straw gas combustion stoves is its combustion gas tolerance shakiness that produces, air demand is suddenly big or suddenly small, and the combustion gas total combustion time of generation is short.

Summary of the invention

The purpose of this utility model is to provide a kind of improved stalk producer, and not only air demand is stable with the combustion gas of its generation, and the total combustion time of combustion gas prolongs greatly, and it is simple and reasonable, and low production cost is easy to promote.

The purpose of this utility model is achieved in that a kind of improved stalk producer, comprise the furnace tube that has capping, internal furnace, gas blower, degassing chamber and the fire grate that is positioned at the internal furnace bottom, the internal furnace bottom contacts with the interior horizontal toroidal membrane circle of furnace tube, the uniform blowhole that is being provided with on the internal furnace perisporium, the diameter of blowhole is 6-10mm, the air heating supercharging storehouse of looping between internal furnace and the furnace tube, suit branch wind cover in outside, internal furnace bottom, divide looping air channel between wind cover and the internal furnace wall, divide the top of wind cover outwards to turn down the looping flange, the outer peripheral edges of this annular lip and the sealing of the internal perisporium of furnace tube are fixed together, near the uniform air intake gap that is being provided with on the branch wind cover bottom peripheral edge of dividing plate circle, divide furnace tube one sidewall between wind collar-shaped flange and the dividing plate circle to be connected with the air outlet tube of gas blower.

When the utility model used, fuel such as the stalk of packing into by common way made its smoldering produce inflammable gas.The wind that gas blower is blown into is introduced into branch wind cover, by the air intake gap of uniform setting on minute wind cover bottom peripheral edge wind speed is slowed down air quantity is disperseed equably, the dispersive air heats in the supercharging storehouse by the annular air that the annular passage between minute wind cover and the internal furnace wall enters between internal furnace and the furnace tube again, laterally is blown into by blowhole at last and supplies with stalk pyrolysis oxidation use in the internal furnace.And the air heating supercharging storehouse of looping between internal furnace and the furnace tube, the diameter of blowhole is 6-10mm in addition, so just can effectively control flow velocity and the flow that is blown into air capacity, prevent that air quantity is suddenly big or suddenly small, thereby vertical folk prescription is to the phenomenon of flinging furnace roof for the wind combustion gas when having eliminated the burning of traditional producer, guarantees the stable supply of combustion gas, and oxygen supply is abundant, make that stalk can whole consistent oxidation, system gas is even, and fuel gas supply pressure is big.Therefore not only air demand is stable in the combustion gas that produces with the utility model, and the total combustion time of combustion gas prolongs greatly, and Actual combustion can reach more than 60 minutes duration of service.The utility model is simple and reasonable, fuel usedly not only can be this plant of vegetation such as common stalk but also can use coal that adapt to face width, low production cost was easy to promote.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is a whole syndeton synoptic diagram of the present utility model;

Fig. 2 looks cross-sectional view for the utility model master;

Fig. 3 is the amplification profile structural representation of the utility model degassing chamber;

Fig. 4 divides the main TV structure synoptic diagram of amplification of air-casing for the utility model;

Fig. 5 divides the main TV structure synoptic diagram of amplification of wind cover for the utility model.

Embodiment

A kind of improved stalk producer, as Fig. 1, Fig. 2, shown in Figure 3, comprise the furnace tube 3 that has capping 4, be contained in the back taper tubular internal furnace 11 in the furnace tube 3, gas blower 1, degassing chamber 7 and the fire grate 13 that is positioned at internal furnace 11 bottoms, internal furnace 11 bottoms contact with furnace tube 3 interior horizontal toroidal membrane circles 15, the uniform blowhole 12 that is being provided with on internal furnace 11 perisporiums, the diameter of blowhole 12 is 6-10mm, uniform blowhole 12 is divided into, in, following three circles of arranging, wherein last circle blowhole 12 is 2/3 of internal furnace 11 whole heights to the height of fire grate 13.The air heating supercharging storehouse 2 of looping between internal furnace 11 and the furnace tube 3 both can preheated air, can cushion and prevented the suddenly big or suddenly small phenomenon of air-flow entering wherein airflow again, guaranteed that combustion gas can stablize supply.Suit branch wind cover 16 in outside, internal furnace 11 bottoms, divide looping air channel between wind cover 16 and the internal furnace wall, divide the top of wind cover 16 outwards to turn down the looping flange, the internal perisporium sealing of the outer peripheral edges of this annular lip and furnace tube 3 is fixed together, branch wind near dividing plate circle 15 overlaps the uniform air intake gap that is being provided with on 16 bottom peripheral edge, as shown in Figure 5, the air intake gap is shaped as trilateral or rectangle or trapezoidal.Furnace tube 3 one sidewalls that divide wind to overlap between 16 annular lip and the dividing plate circle 15 are connected with the air outlet tube of gas blower 1.On the outer radial periphery edge of fire grate 13, be symmetrical arranged horizontal rotating shaft, in internal furnace 11 bottoms and divide the bottom of wind cover 16 being provided with respectively to supply water the through hole that axle passes of flatting turn, wherein a horizontal rotating shaft passes to furnace tube 3 outsides from the through holes of internal furnace 11 and 16 settings of branch wind cover successively, this horizontal rotating shaft is positioned at furnace tube 3 outer free ends crank 10 is being set, and rotates crank 10 and can make fire grate 13 be in horizontal positioned and vertically-arranged two states.When fuel such as stalk was housed in the furnace tube 3, fire grate 13 should be in the vertically-arranged state, was convenient to leak fast ash.When in the furnace tube 13 coal fuel being housed, fire grate 13 should be in horizontality, is beneficial to the abundant oxidation gas making of fuel.After the utility model is finished using, come back rotation crank 10 can make furnace tube 3 interior ashes fully drop to the bottom of furnace tube 3, prevent dust stratifications, slagging scorification in the furnace tube 3.The ashes of falling furnace tube 3 bottoms transport by ash output hole 14.The hole size at dividing plate circle 15 middle parts and the size of fire grate 13 are complementary.As Fig. 2, shown in Figure 4, on the top of furnace tube 3 branch air-casing 19 is being set, the bottom of branch air-casing 19 outwards turns down the horizontal flanges of looping, and the outer peripheral edges of this horizontal flanges are fixed together with the furnace tube 3 inwalls sealing that is positioned at escape pipe 6 belows.Capping 4 ringwise, the inner peripheral of capping 4 below affixed a ring-like water storage groove, divide the cooperation that contacts with the periphery wall of this water storage groove of the upper inside wall of air-casing 19, the uniform gap of giving vent to anger that is being provided with on the periphery of the top of minute air-casing 19, the height of gap of giving vent to anger extend into length in the branch air-casing greater than the water storage groove, this structure can make combustion gas give vent to anger evenly, guarantees combustion gas stable burning.That gives vent to anger gap is shaped as trilateral or rectangle or trapezoidal.On the end face of capping 4, be equipped with the gland 5 that has handle, concentric inside and outside

asbestos seal ring

20,21 is being set on the bottom surface of gland 5, inside and outside

asbestos seal ring

20,21 contacts with the inner side-wall both sides of water storage groove respectively to constitute and is sealed and matched, and helps improving sealing effectiveness.As shown in Figure 3, the top of degassing chamber 7 is installed with combustion gas escape pipe 8, and its bottom is installed with blow-off pipe 9.In the degassing chamber 7 from top to bottom the horizontal interval two skimming baffles 17 are being set, the uniform ventilating pit that is being provided with on the skimming baffle 17, below following skimming baffle, the stainless (steel) wire 18 that is densely covered with ventilating pit is being set also, ventilating pit size on the stainless (steel) wire 18 is the 20-40 order, and the outlet side of escape pipe 6 is down between skimming baffle and the stainless (steel) wire 18.After air mixture is flushed on the stainless (steel) wire 18 under escape pipe 6 exits, tar, dust, steam in the combustion gas are effectively separated, play the effect of filtration, purifying gas.

Claims

1, a kind of improved stalk producer, comprise the furnace tube (3) that has capping (4), internal furnace (11), gas blower (1), degassing chamber (7) and the fire grate (13) that is positioned at internal furnace (11) bottom, internal furnace (11) bottom contacts with the interior horizontal toroidal membrane circle (15) of furnace tube (3), the uniform blowhole (12) that is being provided with on internal furnace (11) perisporium, it is characterized in that: the diameter of blowhole (12) is 6-10mm, the air heating supercharging storehouse (2) of looping between internal furnace (11) and the furnace tube (3), suit branch wind cover (16) in outside, internal furnace (11) bottom, divide looping air channel between wind cover (16) and the internal furnace wall, divide the top of wind cover (16) outwards to turn down the looping flange, the internal perisporium sealing of the outer peripheral edges of this annular lip and furnace tube (3) is fixed together, near the uniform air intake gap that is being provided with on branch wind cover (16) bottom peripheral edge of dividing plate circle (15), divide furnace tube (3) one sidewalls between wind cover (16) annular lip and the dividing plate circle (15) to be connected with the air outlet tube of gas blower (1).

2, improved stalk producer according to claim 1 is characterized in that: uniform blowhole (12) is divided into three circles that upper, middle and lower are arranged, wherein last circle blowhole (12) is 2/3 of internal furnace (a 11) whole height to the height of fire grate (13).

3, improved stalk producer according to claim 1, it is characterized in that: on the outer radial periphery edge of fire grate (13), be symmetrical arranged horizontal rotating shaft, in internal furnace (11) bottom and divide the bottom of wind cover (16) being provided with respectively to supply water the through hole that axle passes of flatting turn, wherein a horizontal rotating shaft passes to furnace tube (3) outside from the through hole of internal furnace (11) and branch wind cover (16) setting successively, this horizontal rotating shaft is positioned at the outer free end of furnace tube (3) crank (10) is being set, and the hole size at dividing plate circle (15) middle part and the size of fire grate (13) are complementary.

4, improved stalk producer according to claim 1, it is characterized in that: branch air-casing (19) is being set on the top of furnace tube (3), the bottom of branch air-casing (19) outwards turns down the horizontal flanges of looping, and the outer peripheral edges of this horizontal flanges are fixed together with furnace tube (3) the inwall sealing that is positioned at escape pipe (6) below; Capping (4) ringwise, the inner peripheral of capping (4) below affixed a ring-like water storage groove, divide the cooperation that contacts with the periphery wall of this water storage groove of the upper inside wall of air-casing (19), the uniform gap of giving vent to anger that is being provided with on the top periphery of a minute air-casing (19), the height of the gap of giving vent to anger extend into the interior length of branch air-casing (19) greater than the water storage groove.

5, improved stalk producer according to claim 1 is characterized in that: the air intake gap be shaped as trilateral or rectangle or trapezoidal.

6, improved stalk producer according to claim 4 is characterized in that: the gap of giving vent to anger be shaped as trilateral or rectangle or trapezoidal.

7, improved stalk producer according to claim 4, it is characterized in that: on the end face of capping (4), be equipped with the gland (5) that has handle, concentric inside and outside asbestos seal ring (20,21) is being set on the bottom surface of gland (5), and inside and outside asbestos seal ring (20,21) contacts with the inner side-wall both sides of water storage groove respectively to constitute and is sealed and matched.

8, improved stalk producer according to claim 1, it is characterized in that: in the degassing chamber (7) from top to bottom the horizontal interval two skimming baffles (17) are being set, skimming baffle (17) is gone up the uniform ventilating pit that is being provided with, below following skimming baffle, the stainless (steel) wire (18) that is densely covered with ventilating pit is being set also, ventilating pit size on the stainless (steel) wire (18) is the 20-40 order, and the outlet side of escape pipe (6) is positioned between following skimming baffle and the stainless (steel) wire (18).