There are integrated apparatus in biologic grain gasification fired combustion steam
Technical field
This utility model is related to a kind of steam raising plant, particularly to a kind of gasification, and combustion steam raising plant.
Background technology
It is known that the fossil energy such as coal, oil, natural gas is all non-renewable resources, exploit on a large scale in the mankind
Under peter out.In addition, these fuel can discharge substantial amounts of toxic and harmful in the air in burning, cause air tight
Heavily contaminated.For this reason, energy field expert is just striving to find reproducible clean fuel to replace fossil energy.
Biologic grain gasification is with biologic grain as raw material, gasifying agent effect under, generally with oxygen (air, oxygen-enriched or
Pure oxygen), vapor or hydrogen etc. as gasifying agent (also referred to as gasify matter), pass through thermal chemical reaction under the high temperature conditions, will give birth to
The flammable process being partially converted into combustible gas in composition granule.The gas componant producing during biologic grain gasification mainly includes h2、
ch4With co etc., generally this fuel gas is referred to as biological fuel gas.
The gasification of biologic grain is mainly carried out in gasification furnace, due to the type of gasification furnace, gasification reaction conditions, work
The difference of the conditions such as skill flow process, the species of gasifying agent, the property of raw material and grinding particle size, its gasification reaction process also phase not to the utmost
With.But biologic grain gasification process basic inclusion at different conditions: c+o2=co2;co2+ c=2co;h2O+c=co+h2
Deng.
A large amount of oxygen as gasifying agent and water vapour is not only needed during biologic grain gasification, and the biology producing
Matter combustion gas carries higher heat, therefore, how to solve gasifying agent raw material sources and rationally utilizes biological fuel gas heat to become
For focus of attention in the industry.
A kind of hermetically sealed control system of biomass as disclosed in Chinese patent application 201610009608.x, this system bag
Include biomass gas generating system, biogas stocking system, air conveying system and steam raising plant and electricity generation system,
Wherein, purified gas fuel can be sent directly into boiler by the hermetically sealed control system of the biomass of this invention, internal combustion generates electricity
In machine, the combustor of gas engine, burning, to generate electricity, improves the utilization rate of the energy, realizes energy-conserving and environment-protective.However, this biomass is entirely close
Sealing control system suffers from the drawback that or not enough: (1), cannot realize the autonomous offer of steam as gasifying agent, its needs is adopted
Steam is obtained with special thermal source;(2), need biogas stocking system to carry out subsequent operation to biogas, waste life
The self-contained a large amount of heat energy of material gas.
A kind of and for example biomass steam air with UTILIZATION OF VESIDUAL HEAT IN disclosed in Chinese patent application 201510083514.2
Combined vaporizing device and method, it includes gasifier, air preheater, steam generator and air-blaster, positioned at gasifier
The gas outlet on top is connected with air preheater, and air preheater is connected with air-blaster, and the outlet of air preheater is led to
Road includes gasification air pipeline and comburent air duct, and comburent air duct connects to the burner hearth of steam generator, gasification air
Pipeline connects to the zoneofoxidation of gasifier, and zoneofoxidation is connected with burner hearth by deslagging spiral, is provided with steam pipe coil in burner hearth, steams
One end of vapour coil pipe is passed through water inlet pipe and is connected with water inlet water pump, and the other end of steam pipe coil passes through going back of jet chimney and gasifier
Former area connects.However, this biomass steam air combined vaporizing device with UTILIZATION OF VESIDUAL HEAT IN suffers from the drawback that or not enough: (1),
The source of gasifying agent used in gasifier is not provided;(2), do not make full use of the biological fuel gas heat of generation.
Therefore it provides a kind of biological fuel gas heat that can make full use of is to provide the biologic grain gasification of steam source to fire
Burning steam generation integrated apparatus becomes urgent problem in the industry.
Content of the invention
The purpose of this utility model is to provide a kind of biologic grain gasification fired combustion steam that integrated apparatus occur, and it can fill
Divide the self-energy using biological fuel gas and the heat energy carrying, the steam of generation is not only available for steam user and uses, but also
Use can be circulated as gasifying agent.
To achieve these goals, this utility model provides a kind of biologic grain gasification fired combustion steam and occurs integrally to disguise
Put, comprising: gasification furnace, steam generating unit, steam-water separator and blender, wherein, gasification furnace includes body of heater, the furnace wall of body of heater
On be interval with biological fuel gas outlet, biologic grain entrance and gasification agent inlet;Steam generating unit is included for for biological
Burner that matter combustion gas is burnt and being produced around the water jacket of setting with being burnt using biological fuel gas along the outer wall of burner
Heat prepare water vapour, the roof of burner is provided with biological fuel gas entrance, biological fuel gas entrance pass through biological fuel gas
Transfer pipeline is connected with the biological fuel gas outlet of gasification furnace, and on the side wall of burner, neighbouring roof is provided with air intake vent, burning
It is provided with heat smoke outlet away from roof, the side wall of water jacket is provided with water inlet, and the top of water jacket is provided with the first vapour on the side wall of device
Water out;Steam-water separator is provided with soda pop entrance, the first steam (vapor) outlet and the second steam (vapor) outlet, and soda pop entrance passes through pipeline and water
First soda pop outlet of set is connected to remove the aqueous water in the water vapour of water jacket and to separate and obtain pure steam, and the
One steam (vapor) outlet will account for the steam supply of steam total amount 70%~90% to steam user by pipeline;Blender is provided with air
Entrance, steam inlet and mixed gas outlet, steam inlet is connected with the second steam (vapor) outlet of steam-water separator by pipeline
With the steam supply by accounting for steam total amount 10%~30% to blender, mixed gas outlet passes through the gas of pipeline and gasification furnace
Agent entrance is connected to be provided to gasification furnace using the mixed gas being formed water vapour with air as gasifying agent.
In this utility model, steam user can be used for medical apparatus sterilizing, table-ware disinfection or laundry flatiron using steam
Etc. aspect, in addition, the steam-water separator in this utility model is conventional steam-water separator, its operation principle is: aqueous steam
Enter steam-water separator, and wherein to be centrifuged the inclined motion that dips down, the moisture content carried secretly is separated because speed reduces
Come;Flowed through drain valve by detached liquid to discharge, the steam of dry cleansing is discharged from separator outlet.
Selectively, steam generating unit also includes covering along the outer wall of biological fuel gas transfer pipeline around the soda pop arranging
Water vapour from water jacket, the bottom port of soda pop set and water are heated further with the heat self-contained using biological fuel gas
First soda pop outlet of set is connected, and the top of soda pop set offers the second vapour being connected with the soda pop entrance of steam-water separator
Water out.
Selectively, it is further provided with heat exchanger tube and include housing to recycle the heat smoke of burner discharge, heat exchanger tube
And the heat exchange coil in housing, the Single port of housing passes through water jacket to be connected with the heat smoke outlet of burner by pipeline
Logical, the another port of housing forms exhanst gas outlet, one end of neighbouring exhanst gas outlet of heat exchange coil be connected with water pump and away from
The other end of exhanst gas outlet is connected to enter with the heat smoke discharging the water in heat exchange coil with burner with the water inlet of water jacket
The delivery that row heat exchange is formed carries out the preparation of water vapour to water jacket.
Selectively, the hot water temperature after heat exchange coil heat exchange is 90~95 degrees Celsius.
Selectively, in the housing of described heat exchanger tube, the core in heat exchange coil is further provided with least two u-shapeds
, to extend the time of staying in heat exchanger tube for the flue gas, described at least two u-shaped heat exchanger tubes are along the longitudinal direction of described heat exchanger tube for heat exchanger tube
Arrangement and successively tail are first to be connected, and the head end of first u-shaped heat exchanger tube is connected with the end of described heat exchange coil, last u
The end of type heat exchanger tube is connected with the water inlet of described water jacket.
Selectively, it is further provided with air preheater, air preheater has flue gas flow path and air flow circuit, flue gas stream
The entrance on road is connected with the exhanst gas outlet of heat exchanger tube, and the outlet of flue gas flow path is connected with chimney, the entrance of air flow circuit and
One blower fan is connected to introduce air in air flow circuit, and the outlet of air flow circuit passes through water jacket and burner by air line
Air intake vent is connected to provide hot-air into burner as combustion-supporting gas.
Preferably, air preheater includes shell, housing interior volume is divided into inversely parallel flue gas flow path and sky
If the median septum on air-flow road and be located in dry heat pipe in median septum, wherein, the evaporation ends of heat pipe extend flue gas flow path
In, the condensation end of heat pipe extends in air flow circuit.
Selectively, there is free edema caused by disorder of QI pipeline in air line also branch, and air is in charge of line and is connected with the air intake of blender
Pass to and provide the part hot-air after heat exchange to blender.
Selectively, the air of 40%~50% of the air total amount after air preheater heat exchange is in charge of line by air
It is delivered in blender.
Selectively, blender is provided with, from one end wall, the steam spray that the inner chamber around steam inlet to blender extends
Pipe, the endcapped of steam jet and steam jet offers several air-vents to spray into water vapour in inner chamber.
Selectively, the length of steam jet is set as 1st/to two/5th of the cavity length of blender.
Selectively, it is provided with homogenizing plate at the air intake of blender, homogenizing plate is placed with several towards blender
The air nozzle that extends of inner chamber realize multiple spot with water vapour to the inner chamber of blender and mix to spray air.
Selectively, it is provided with shunting bluff body in neighbouring biological fuel gas porch in burner.
Preferably, located at the roof of body of heater, biologic grain entrance, located at the side wall of body of heater, gasifies for biological fuel gas outlet
Agent entrance is located at the opposite side wall of body of heater.
Preferably, the pipeline between blender and the gasification agent inlet of gasification furnace is provided with the second blower fan with by blender
In mixed gas be introduced in gasification furnace by gasification agent inlet.
Preferably, the diapire of burner offers slag-drip opening, is provided with screw rod discharger with transportation fuels device below slag-drip opening
The lime-ash producing.
Selectively, the air intake vent of burner is along the tangential direction setting of burner shell so that combustion air is in combustion
Form Whirl deposite tank in burner to increase the mixing with biogas, improve efficiency of combustion.
The beneficial effects of the utility model are: (1), setting water sleeve soda pop cover in order to heat generation water vapour, fully profit
With self-energy and the heat energy carrying of biological fuel gas, improve the utilization rate of biomass energy;(2), setting heat exchanger tube and
Air preheater, effectively utilizes the heat of high temperature of the heat smoke of biological fuel gas generation, more energy-conserving and environment-protective;(3), blender
The setting of interior steam extension pipeline section and air nozzle is achieved water vapour and is mixed with hot-air multiple spot so that mixing more uniform.
Brief description
Fig. 1 shows that this utility model biologic grain gasification fired combustion steam occurs the organigram of integrated apparatus.
Fig. 2 shows the organigram of blender of the present utility model.
Fig. 3 shows the schematic cross-section of another kind of alternative embodiments of heat exchanger tube of the present utility model.
Specific embodiment
Refer to Fig. 1, according to a kind of embodiment of the present utility model, biologic grain gasification fired combustion steam occurs integration
Device includes: gasification furnace 100, steam generating unit 200, steam-water separator 300 and blender 400.
Gasification furnace 100 includes body of heater 110, and in this non-limiting embodiment, the roof of body of heater is provided with biomass fuel
Gas outlet 111, the side wall of body of heater is provided with gasification agent inlet 112, and the opposite side wall of body of heater is provided with biologic grain entrance 113.
Steam generating unit 200 includes burner 210, water jacket 220 and soda pop set 230.The roof of burner 210 is provided with
Biological fuel gas entrance 211, biological fuel gas entrance 211 passes through biological fuel gas transfer pipeline l and exports 111 with biological fuel gas
It is connected.On the side wall of burner 210, neighbouring roof is provided with air intake vent 212, and the side wall of burner 210 is provided with heat away from roof
Exhanst gas outlet 213.The middle and lower part of the side wall of water jacket 220 is provided with water inlet 221, and the top of water jacket 220 is provided with the first soda pop outlet
(non-label).The bottom port (non-label) of soda pop set 230 is connected with the first soda pop outlet of water jacket 220, soda pop set 230
Top offers the second soda pop outlet 231.
Steam-water separator 300 is provided with soda pop entrance 310, the first steam (vapor) outlet 320 and the second steam (vapor) outlet 330, soda pop
Entrance 310 is passed through pipeline and is connected with the second soda pop outlet 231.First steam (vapor) outlet 320 by pipeline by water vapour supply to
At steam user.
Blender 400 is provided with air intake 410, steam inlet 420 and mixed gas outlet 430, and steam inlet 420 is passed through
Pipeline is connected with the second steam (vapor) outlet 330 of steam-water separator 300, thus by steam supply to blender 400, gaseous mixture
Body outlet 430 is connected with the gasification agent inlet 112 of gasification furnace 100 by pipeline.
In this non-limiting embodiment, as shown in Fig. 2 blender 400 is provided with around steam inlet from one end wall
420 steam jets 440 extending to the inner chamber of blender, the endcapped of steam jet 440 and steam jet 440 offer
Several spray into the air-vent 441 of water vapour in inner chamber, and are provided with homogenizing plate 450 at air intake 410, on homogenizing plate 450
It is placed with the air nozzle 451 of several inner chamber extensions towards blender, thus air is sprayed to the inner chamber of blender
Realize multiple spot with water vapour to mix so that water vapour mixes more uniform with air.
Thus, the biological fuel gas authigenic material gas outlet 111 that gasification furnace 100 produces is along biological fuel gas transfer pipeline
L is delivered in burner 210 and carries out combustion heat release, the heat of generation by along burner 210 outer wall around setting water jacket 220
In water be heated as water vapour, water vapour enters back in soda pop set 230, using biological in biological fuel gas transfer pipeline l
After the self-contained heat of matter combustion gas heats entrance steam-water separator 300 again, the aqueous water in water vapour is separated, vapour
The pure steam supply accounting for steam total amount about 80% is used for table-ware disinfection to steam user by water separator 300, medical treatment disappears
Poison or the function of medicated clothing flatiron, and the steam accounting for steam total amount about 20% is then supplied to blender 400, in blender 400
Air mixing after as in gasifying agent supply to gasification furnace 100.
Additionally, in burner 210, neighbouring biological fuel gas entrance 211 is provided with shunting bluff body 250 and makes biological fuel gas
To perimeter to avoid concentrations in central area in burner 210.
As a kind of alternative embodiments, as shown in figure 1, in order to recycle the heat smoke that burner 210 is discharged
Heat, is also further provided with heat exchanger tube 500, and heat exchanger tube 500 includes housing 510 and heat exchange coil 520, the Single port of housing 510
530 pass through water jacket 220 to be connected with the heat smoke outlet 213 of burner 210 by pipeline, and the another port of housing 510 is formed
Exhanst gas outlet 540.One end of neighbouring exhanst gas outlet 540 of heat exchange coil 520 is connected with water pump p and away from exhanst gas outlet 540
The other end be connected with the water inlet 221 of water jacket 220, thus by the water in heat exchange coil 520 carry out heat exchange formed about 90
Degree Celsius delivery prepare water vapour to water jacket 220.
As another kind of alternative embodiments, as shown in figure 3, in heat exchange coil 520 in the housing 510 of heat exchanger tube 500
Core be further provided with three u-shaped heat exchanger tubes 550, three u-shaped heat exchanger tubes 550 along heat exchanger tube crossed longitudinally arrangement and
U-shaped bottom increases the resistance of flow of flue gas adjacent to exhanst gas outlet 540, the approximate M shape bottom of three u-shaped heat exchanger tube 550 compositions
Power, thus extending gas residence time, improves heat exchange efficiency.Additionally, three u-shaped heat exchanger tubes 550 tail is first successively is connected, the
The head end of one u-shaped heat exchanger tube is connected with the end of heat exchange coil 520, the end of last u-shaped heat exchanger tube and water jacket 220
Water inlet 221 be connected.
As another kind of alternative embodiments, as shown in figure 1, for the heat further with heat smoke, biological
Grain gasification, and combustion steam generation integrated apparatus are additionally provided with air preheater 600, and air preheater 600 has flue gas flow path (not
Diagram) and air flow circuit (not shown), the entrance of flue gas flow path is connected with the exhanst gas outlet 540 of heat exchanger tube 500, flue gas flow path
Outlet be connected with chimney 700, the entrance of air flow circuit is connected with the first blower fan f1, thus in air flow circuit introduce air,
The outlet of air flow circuit is connected with the air intake vent 212 of burner 210 through water jacket 220 by air line al, thus to combustion
Hot-air is provided as combustion-supporting gas in burner 210.
Meanwhile, in this non-limiting embodiment, there is free edema caused by disorder of QI pipeline sl in air line al also branch, and air is in charge of line
Sl is connected with the air intake 410 of blender 400, thus about 45% of the air total amount after heat exchange hot-air is delivered to
In blender 400.Meanwhile, the second wind is provided with the pipeline between the gasification agent inlet 112 of blender 400 and gasification furnace 100
Machine f2, thus the mixed gas in blender 400 are introduced in gasification furnace 100.
In running, the biogas that gasification furnace 100 produces supply to burner 210 as fuel.Burner 210
Water in water jacket 220 is heated into water vapour, meanwhile, in biological fuel gas transfer pipeline l by the heat that biomass burning gas produces
The self-contained heat of biological fuel gas heats the water vapour entering in soda pop set 230 again.Steam-water separator 300 will account for steam
The pure steam supply of total amount about 80% function for table-ware disinfection, medical treatment sterilization or medicated clothing flatiron to steam user,
And the steam accounting for steam total amount about 20% is then supplied to blender 400, as gasification after mixing with the air in blender 400
Agent is supplied to gasification furnace 100.Heat exchanger tube 500 utilizes the fume afterheat of burner 210 by the cool water heating in heat exchange coil 520
Supply to water jacket 220 after becoming hot water.The fume afterheat that air preheater 600 continues with heat exchanger tube 500 discharge is pre- by cold air
Heat becomes hot-air rear portion to be used as the combustion-supporting gas of burner 210, the gasifying agent as gasification furnace 100 for the part.As can be seen here,
Biologic grain gasification fired combustion steam of the present utility model occurs integrated apparatus to substantially increase the utilization rate of biomass energy.
Although here has described preferred implementation of the present utility model in detail, it is to be understood that this utility model is not
It is confined to the concrete structure describing in detail here and illustrating, can be by the case of without departing from spirit and scope of the present utility model
Those skilled in the art realizes other modifications and variant.