Tower biological matter vapourizing furnace
Technical field
The utility model relates to fuel-changing chamber equipment in a kind of biomass gasification system, especially a kind of tower biological matter vapourizing furnace.
Background technology
The raw material that biomass gasifying furnace produces combustion gas is agricultural crop straw, forest tree castoff etc., and this combustion gas is a kind of green novel energy source, has powerful vitality.Existing biomass gasifying furnace produces combustion gas and to come with some shortcomings part, as the raw material in body of heater or slag not easily break, raw material or slag and fire grate contact area little; Biomass gasifying furnace can produce tar when producing combustion gas simultaneously, these tar meeting blocking pipe, and impact is normally produced; The bottom collection ash of body of heater is not easy to discharge.
Summary of the invention
The purpose of this utility model is the deficiency solving prior art existence, provides a kind of tower biological matter vapourizing furnace.
The technical solution of the utility model is:
A kind of tower biological matter vapourizing furnace, comprise body of heater, carry the feeding unit of charging and be located at the ash handling equipment of bottom of furnace body, also comprise the drive system for driving ash handling equipment to rotate, ash handling equipment medial support has turriform fire grate, the inside top of body of heater is provided with the some heat pipes with body of heater axis being parallel, gap is there is between the bottom of body of heater and ash handling equipment, and pass through hydraulic seal between the bottom of body of heater and ash handling equipment, turriform fire grate to stretch in body of heater and there is gap with sidewall of the furnace body, also comprises and blasts the blower fan of air in turriform fire grate.
Scheme is known thus, and raw material enters after body of heater through feeding unit, and raw material is deposited between body of heater and turriform fire grate, and raw material cracking on turriform fire grate makes raw material larger with the contact area of turriform fire grate, improves lysis efficiency; The lime-ash that cracking produces is deposited between body of heater and turriform fire grate, and ash handling equipment is under the drive of drive system, and body of heater and turriform fire grate are produced relative rotation, and lime-ash is discharged through ash handling equipment after falling into ash handling equipment.
A kind of preferred version is that feeding unit comprises hopper, and the feeding tube be fixedly connected with hopper and the tubaeform hopper stretched in body of heater, feeding tube is fixedly connected with by the Starlike valve be provided with tubaeform hopper.
Scheme is known thus, and Starlike valve can prevent portion of external air from entering body of heater, reduces the possibility of Explosion of boiler proper.
Preferred version is the ash pan that ash handling equipment comprises for loading liquid, for discharge lime-ash ash discharge cutter and drive ash discharge cutter from bottom ash pan to the power set of ash pan top movement.
Scheme is known thus, and the liquid in ash pan can prevent the gas leaking of generation in body of heater and outside air from entering in body of heater.
Preferred version is that turriform fire grate comprises some layers fire grate of reducing successively of radius from top to bottom, and the dual-side of fire grate is respectively equipped with the blade of blade type, is fixedly connected with between each layer fire grate.
Scheme is known thus, and turriform fire grate is relative with body of heater when rotating, and slag is easily broken under the blade effect of fire grate, and the slag after fragmentation is very easily fallen in ash handling equipment, is conducive to the discharge of slag.
A kind of preferred version is that the fire grate of turriform fire grate top layer is provided with eccentric cutter plough.
Scheme is known thus, and eccentric cutter plough is conducive to the fragmentation of slag.
A kind of preferred version is the article-storage device also comprised for cooling, purifying and collect product, article-storage device comprises inside top first transfer lime being located at body of heater, purification furnace and the second transfer lime being connected the first transfer lime and purification furnace, the first upper and lower both sides of transfer lime are provided with through hole.
Scheme is known thus, and the through hole of product through the first upper and lower both sides of transfer lime produced in body of heater rises to the top of body of heater, after heat pipe cooling, in the first transfer lime inner accumulated, after be sent in purification furnace through the second transfer lime.
Preferred version is that article-storage device also comprises the tar well be located at bottom purification furnace, and the inside top of purification furnace is provided with air outlet and some heat pipes, and air outlet is connected with outside vacuum fan by the 3rd transfer lime.
Scheme is known thus, and tar can flow into tar well after the cooling of heat pipe, and combustion gas can be used for burning or stores behind air outlet; Vacuum fan makes to produce negative pressure in body of heater and product collector, is conducive to the discharge of product.
Preferred version is that tubaeform hopper both sides are respectively equipped with a first symmetrical transfer lime, and the first transfer lime is horizontal by 10 ~ 30 degree.
Scheme is known thus, and tubaeform hopper both sides are respectively equipped with the first symmetrical transfer lime, and the first transfer lime is horizontal by 10 ~ 30 degree, makes the production concentration of body of heater inside trumpet shape hopper both sides even, and easily discharges through the first transfer lime.
A kind of preferred version is provided with the 4th transport pipe between the second transfer lime and the 3rd transfer lime.
Scheme is known thus, and portion of product directly can flow into the 4th transport pipe through the 3rd transfer lime, without the need to cooling and purification.
Comprehensive technique scheme is known, the utility model has following beneficial effect: raw material or slag and turriform grate area large, more be conducive to cracking, because the dual-side of fire grate is respectively equipped with blade, in the turriform fire grate process rotated relative to body of heater, slag is easy to fragmentation, slag is made to be easy to fall into ash pan, the fire grate of top layer is provided with eccentric cutter plough, and cutter plough, by the raw material of turriform fire grate both sides or slag overturning back and forth, is conducive to the cracking of raw material and the fragmentation of slag; Starlike valve can prevent portion of external air from entering body of heater, prevents Explosion of boiler proper; The blade of fire grate effectively by raw material or slag fragmentation, can be conducive to the cracking of raw material and the discharge of slag; Tar can be separated with combustion gas by article-storage device, prevents tar to the blocking of pipeline.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technique means of the present utility model can be better understood, and can be implemented according to the content of specification sheets, and can become apparent to allow above and other object of the present utility model, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the schematic diagram that in the utility model, ash handling equipment is supported with turriform fire grate.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below in conjunction with accompanying drawing, the utility model is described further.
As depicted in figs. 1 and 2, a kind of tower biological matter vapourizing furnace, comprise body of heater 202, feeding unit 10 and the ash handling equipment 30 be located at bottom body of heater 202 of conveying charging, also comprise the drive system 302 for driving ash handling equipment 30 to rotate, ash handling equipment 30 medial support has turriform fire grate 70, the inside top of body of heater 202 is provided with the some heat pipes 201 with body of heater 202 axis being parallel, gap is there is between the bottom of body of heater 202 and ash handling equipment 30, and pass through hydraulic seal between the bottom of body of heater 202 and ash handling equipment 30, turriform fire grate 70 to stretch in body of heater 202 and there is gap with body of heater 202 sidewall, also comprise and blast the blower fan of air in turriform fire grate 70.
Be provided with at the top of body of heater 202 and place the supported hole of heat pipe 201, be seal with body of heater 202 below supported hole, the above is opening, and heat pipe 201 can directly insert or extract supported hole, facilitates the replacing of heat pipe 201.Body of heater 202 different heights is respectively arranged with the level gage 105 for checking raw material or slag in body of heater 202.The voltage regulation part 203 of pressure in balance body of heater 202 is also provided with in the upper portion side wall of body of heater 202, voltage regulation part 203 comprises water tank, control ball float and the water level control pipe of water tank water intake or draining, water level control pipe is axially arranged with water-stop sheet, water-stop sheet is provided with water-in, water lev el control plate is divided into two portions by water-stop sheet, gas in body of heater 202 can enter the side of water-stop sheet, the opposite side of water-stop sheet is communicated with water tank, the water level of water level control pipe inside is higher than water-in, when the gas pressure intensity in body of heater is excessive or blast in body of heater, the water of water-stop sheet side is expressed to the outside of voltage regulation part 203 by the gas in body of heater, gas in body of heater 202 flows out from voltage regulation part 203, when the gas pressure intensity in body of heater 202 reduces, the water that ball float controls in water tank enters water level control pipe, by the water-in water seal on water-stop sheet, prevents extraneous air from entering body of heater.Due to the setting of voltage regulation part 203, the pressure in body of heater 202 can be made to remain on certain scope or prevent explosion time from producing more serious damage.
Also comprise the upper support frame 307 for supporting ash handling equipment 30, lower support frame 306 and the bearing 305 be located between upper support frame 307 and lower support frame 306, drive system 302 drives ash handling equipment 30 to rotate around body of heater 202 by face gear, the turriform fire grate 70 be fixed in ash handling equipment 30 rotates around body of heater 202 with ash handling equipment 30, in rotary course, raw material between turriform fire grate 70 and body of heater 202 or slag extrude mutually, the raw material or the slag that make into block are broken, the easier cracking of raw material, slag is more easily fallen in ash handling equipment 30.
Feeding unit 10 comprises hopper 101, and the feeding tube 103 be fixedly connected with hopper 101 and the tubaeform hopper 104 stretched in body of heater 202, feeding tube 103 is fixedly connected with by the Starlike valve 50 be provided with tubaeform hopper 104.Be provided with feed member in feeding tube 103, feed member comprises the turning axle be connected with motor 102 main shaft and the volution feeding sheet be located on turning axle.Under the drive of motor 102, raw material flows in tubaeform hopper 104 from one end of feeding tube 103, body of heater 202 is entered for preventing outside large quantity of air, Starlike valve 50 is set between feeding tube 103 and tubaeform hopper 104, Starlike valve 50 effectively prevents a large amount of extraneous airs to enter body of heater 202, avoids the sounding of explosion hazard.
Ash handling equipment 30 comprises the ash pan 301 for loading liquid, for discharge lime-ash ash discharge cutter 303 and drive ash discharge cutter 303 from bottom ash pan 301 to the power set of ash pan 301 top movement.Be full of liquid at ash pan 301, liquid plays sealing function to body of heater 1, and the product preventing extraneous air from entering in body of heater or in body of heater flows to outside air, and the liquid in the utility model can be water.Ash discharge cutter 303, under powered attendant-controlled wheelchairs drive, constantly moves to ash pan 301 top from bottom ash pan 301, and the lime-ash bottom ash pan 301 is discharged ash pan 301.
Turriform fire grate 70 comprises some layers fire grate 701 of reducing successively of radius from top to bottom, and the dual-side of fire grate 701 is respectively equipped with the blade 702 of blade type, is fixedly connected with between each layer fire grate 701.The fire grate 701 of turriform fire grate 70 top layer is provided with eccentric cutter plough.Raw material or slag cover on turriform fire grate 70, and when rotated, blade 702 and cutter plough are by raw material or slag fragmentation, and the cracking and the slag that are conducive to raw material are fallen in ash pan 301 for turriform fire grate 70.
Also comprise the article-storage device 40 for cooling, purifying and collect product, article-storage device 40 comprises inside top first transfer lime 401 being located at body of heater 202, purification furnace 406 is provided with through hole with the second transfer lime 402, first transfer lime about 401 both sides being connected the first transfer lime 401 and purification furnace 406.First transfer lime 401 is located at tubaeform hopper 104 both sides, and the first transfer lime 401 to tilt and horizontal by 10 ~ 30 degree, in the present embodiment, the first transfer lime 401 is horizontal by 25 degree to the second transfer lime 402.The planar section that first transfer lime 401 and heat pipe 201 are formed overlaps, and is positioned at the lower end of heat pipe 201.The high-temperature product of the generation in body of heater 202 rises to the top of body of heater 202, and high-temperature product, after the cooling of heat pipe 201, send pipe 401 to gather first, after after the second transfer lime 402, flow into purification furnace 406.
Article-storage device 40 also comprises the tar well 407 be located at bottom purification furnace 406, the inside top of purification furnace 406 is provided with air outlet 408 and some heat pipes 201, air outlet 408 is connected with outside vacuum fan 60 by the 3rd transfer lime 405, product (combustion gas and tar) in purification furnace 40 is again through the cooling of heat pipe 201, portion of product (tar) flows into tar well 407, is further separated product (combustion gas and tar).Vacuum fan 60 produces negative pressure in body of heater 202 and purification furnace 406, adds product stream to tar well 407, improves production efficiency.
The 4th transport pipe 403 is provided with between second transfer lime 402 and the 3rd transfer lime 405.Portion of product directly can flow into the 3rd transfer lime 405 by the 4th transport pipe 403, is passed to heating installation more afterwards through the 5th transport pipe 601.
In other embodiment, enter place in purification furnace 406 at the second transfer lime 402 and be provided with Starlike valve, flow into purification furnace 406, second transfer lime 402 for convenience of product downward-sloping, and the second transfer lime 402 is horizontal by 10 degree ~ 20 degree.3rd transfer lime 405 is provided with Starlike valve.4th transport pipe 403 is provided with Starlike valve.
It is more than embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.