CN104862013B - A kind of biomass class solid waste and dangerous waste feeding system - Google Patents
A kind of biomass class solid waste and dangerous waste feeding system Download PDFInfo
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- CN104862013B CN104862013B CN201510270939.4A CN201510270939A CN104862013B CN 104862013 B CN104862013 B CN 104862013B CN 201510270939 A CN201510270939 A CN 201510270939A CN 104862013 B CN104862013 B CN 104862013B
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Abstract
The invention discloses a kind of biomass class solid waste and dangerous waste feeding systems, stokehold feed bin therein act as adjusting preposition pretreatment and prepares siccative ability and buffer unit before the intermediate furnace of gasification process siccative ability, it plays simultaneously and provides material for subordinate's conveying equipment, the silo design is that outer wall is rotary, whole up-small and down-big, above 2 points are played the role of broken arch and prevent fluffy material；Stokehold feed bin divides into constant feeder, and the conveying capacity of material can be effectively adjusted by frequency control, plays the purpose of dosing；Constant feeder outlet lower section is equipped with Pneumatic high temperature quick-break valve; the valve can quickly block lower section flame and flue gas in the case where inner flue gas of the stove is largely altered outside; prevent the further diffusion of flue gas; play the role of protection; the dump device and spray equipment of the equipment and stokehold are chain simultaneously, and three realizes the safety effect of protection equipment and material simultaneously.
Description
Technical field
The present invention relates to the biomass class resource utilization system technical fields suitable for pyrolytic gasification technique, more particularly to
A kind of biomass class solid waste and dangerous waste feeding system.
Background technology
Biomass waste is mankind's waste that production and consumption generates during using biomass.Its traditional place
Reason mode includes landfill and burns, but exists and need to occupy a large amount of soils, and the problem of be easy to bring secondary pollution, especially
Some wastes with harmfulness.
Currently, the biomass waste in China has the characteristics that yield is big, labile organic compound content is high, if can be to it
It is effectively utilized, can not only reduce pollution, will also may consequently contribute to alleviate the present situation of China's energy shortage.
Invention content
In view of this, the present invention provides a kind of biomass class solid waste and dangerous waste feeding system, it to be used for pyrolytic gasification technique
Biomass class recycling, disclosure satisfy that the requirement of follow-up gasification, and combustion.
To achieve the above object, the present invention provides the following technical solutions：
A kind of biomass class solid waste and dangerous waste feeding system, including solid-state feeding feed system；The solid-state feeding charging
System includes：Stokehold feed bin and feed mechanism；And it is provided in the access of the feed mechanism for blocking flame and flue gas
Quick-break valve.
Preferably, further include being provided with temperature measuring equipment in the access of the feed mechanism, the temperature measuring equipment and the speed
Disconnected valve communication connection, and in the case where the measuring temperature of the temperature measuring equipment is higher than predetermined temperature, the quick-break valve blocks institute
State the access in feed mechanism.
Preferably, be provided with multiple feeding devices in the feed mechanism, multiple feeding devices with the thermometric
Device communication connection, and in the case where the measuring temperature of the temperature measuring equipment is higher than predetermined temperature, multiple feeding devices
The direction sequence advanced according to material stops successively.
Preferably, dump device and spraying cooling equipment are additionally provided in the feed mechanism, both with it is described
Temperature measuring equipment communication connection, and in the case where the measuring temperature of the temperature measuring equipment is higher than predetermined temperature, the dump
Device and the spraying cooling equipment start.
Preferably, the stokehold feed bin is rotary.
Preferably, the cross-sectional area of the cross-sectional area of the inner cavity lower part of the stokehold feed bin greatly to its upper.
Preferably, the joining place of the feeding access and the gasification furnace is provided with the gradually small delay of lumenal cross-section
Section.
Preferably, feeding wind apparatus is provided in the remaining portion.
Preferably, further include liquid feeding feed system；The liquid feeding feed system includes delivery pump, stokehold flow container
With multiple liquid storage tanks；Wherein, the discharge port of multiple liquid storage tanks is communicated in the feed inlet of the stokehold flow container, described
Delivery pump is connected between the liquid storage tank and the stokehold flow container.
Preferably, the liquid feeding feed system further includes atomizer, and the feed inlet of the atomizer is communicated in described
The discharge port of stokehold flow container.
It can be seen from the above technical scheme that biomass class solid waste provided by the invention and dangerous waste feeding system, in gas
Lower section flame and flue gas can be quickly blocked in the case of changing a large amount of exteenal refluxs of inner flue gas of the stove to feeding access, to prevent flame and cigarette
The further diffusion of gas can play the safety effect of protection equipment and material (i.e. above-mentioned biomass class solid waste and dangerous waste).
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the flow diagram of solid-state feeding feed system provided in an embodiment of the present invention；
Fig. 2 is the device structure schematic diagram of solid-state feeding feed system provided in an embodiment of the present invention；
Fig. 3 is the flow diagram of biomass class solid waste provided in an embodiment of the present invention and dangerous waste feeding system.
Specific implementation mode
The invention discloses a kind of biomass class solid waste and dangerous waste feeding systems, are used for the biomass class of pyrolytic gasification technique
Recycling disclosure satisfy that the requirement of follow-up gasification, and combustion.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- Fig. 3 is please referred to Fig.1, Fig. 1 is the flow diagram of solid-state feeding feed system provided in an embodiment of the present invention；Fig. 2
For the device structure schematic diagram of solid-state feeding feed system provided in an embodiment of the present invention；Fig. 3 is provided in an embodiment of the present invention
The flow diagram of biomass class solid waste and dangerous waste feeding system.
Biomass class solid waste provided in an embodiment of the present invention and dangerous waste feeding system, core improvement are, including consolidate
State feeding feed system；The solid-state feeding feed system includes：Stokehold feed bin and feed mechanism；And it is set in the access of feed mechanism
It is equipped with the quick-break valve for blocking flame and flue gas, in order to which the solid material in the feed bin of stokehold to be fed into the process of gasification furnace
In, smoke backflow is to blocking flame and flue gas in gasification furnace in the case of feed mechanism.
It can be seen from the above technical scheme that biomass class solid waste provided in an embodiment of the present invention and dangerous waste feeding system
System can quickly block lower section flame and flue gas, to prevent in the case where a large amount of exteenal refluxs of inner flue gas of the stove of gasifying are to feeding access
The further diffusion of flame and flue gas can play the safety of protection equipment and material (i.e. above-mentioned biomass class solid waste and dangerous waste)
Effect.
Preferably, further including being provided with temperature measuring equipment in the access of feed mechanism, which communicates with quick-break valve
Connection, and in the case where the measuring temperature of temperature measuring equipment is higher than predetermined temperature, quick-break valve blocks the access in feed mechanism.It should
Predetermined temperature is the critical-temperature for being used to judge whether to be tempered determined according to actual conditions.Certainly, it is merely given as herein
A kind of more common embodiment, those skilled in the art know, can also pass through monitoring and feed pressure feelings in access
The devices such as condition or gas componant are to determine whether have occurred the reflux of flame and flue gas, details are not described herein.
In order to advanced optimize above-mentioned technical solution, multiple feeding devices are provided in feed mechanism, multiple feeds are set
Standby communicated with temperature measuring equipment connects, and in the case where the measuring temperature of temperature measuring equipment is higher than predetermined temperature, multiple feeds are set
The standby direction sequence advanced according to material stops successively, i.e., successively feed-disabling each feeding device within the organization (in the present embodiment
In to stop constant feeder and front-furnace feeding machine successively).Pass through the above-mentioned side stopped successively according to material direction of advance sequence
Formula can effectively prevent subsequent material entrance or close tempered area, and avoid blocking of the material in part, efficient and rational.
Temperature measuring equipment can also be communicated with the conveying equipment of preamble and be connected, i.e. the mechanism from siccative storehouse feeding into stokehold feed bin, then
In the case where the measuring temperature of temperature measuring equipment is higher than predetermined temperature, the feeding device of the conveying equipment of preamble prior to feed mechanism
Stop.
On the basis of above scheme, dump device and spraying cooling equipment, the two are additionally provided in feed mechanism
It communicates and connects with temperature measuring equipment, and in the case where the measuring temperature of temperature measuring equipment is higher than predetermined temperature, dump device
Start with spraying cooling equipment, i.e., the solid material fed in access is discharged in time in order to avoid being influenced by being tempered, and pass through
The mode of spray reduces the temperature tissue burning of feeding access and its interior material.It is realized simultaneously by three kinds of above-mentioned chain measures
Protect the safety effect of equipment and material.Preferably, quick-break valve is Pneumatic high temperature quick-break valve, which is compressed by air compressor machine
Air provides, and realizes that the function of quickly cutting off, valve body material are high-temperature resistant material.
The intermediate furnace for acting as adjusting preposition pretreatment and preparing siccative ability and gasification process siccative ability of stokehold feed bin
Preceding buffer unit, while playing and providing material for subordinate's conveying equipment.In the preferred embodiment that this programme provides, stokehold feed bin
Rotary for outer wall, i.e., the merry-go-round type bunker in Fig. 1 and Fig. 2 is put up a bridge to avoid material.Its rotation function can pass through engagement
Gear wheel and pinion gear drive realize.And a high position is provided with radar type material meter to avoid object therein in the merry-go-round type bunker
Material excessively causes to overflow.
In the specific embodiment that this programme provides, solid material is entered by the top of stokehold feed bin, then by arranging below
Go out.Further, the cross-sectional area of the cross-sectional area of the inner cavity lower part of stokehold feed bin greatly to its upper, it is generally up-small and down-big
Structure, play the role of broken arch and prevent fluffy material；Rotatable stokehold feed bin is internal diameter gradual increased circular cone from top to bottom herein
Shape cylinder.
The constant feeder that stokehold feed bin is divided into can effectively adjust the conveying capacity of material by frequency control, play quantitative
The purpose of feed.It is front-furnace feeding machine under Pneumatic high temperature quick-break valve, according to the form of the different batchers of material also incomplete phase
Together, it is mainly characterized in that auger type conveys, the material low to compression ratio uses twin axle auger, use high to compression ratio uniaxial
Varying pitch auger.
In order to advanced optimize above-mentioned technical solution, the quantity of quick-break valve be it is multiple, it is two neighboring to have between certain distance
Every setting in feeding access, play the role of preferably the quickly front and back material of isolation jointly.Two quick-break valves are generally used,
One centre position (as depicted in figs. 1 and 2) for being mounted on feeding access, the end of another installation feeding access are that is, close
At the feed inlet of gasification furnace, and the material of main part of the quick-break valve of postposition is made of low heat conductivity, on-deformable material, is played
Heat-insulated effect.
In the specific embodiment that this programme provides, the joining place of feeding access and gasification furnace is provided with lumenal cross-section
Gradually small remaining portion ensures to be to be filled up completely state in batcher for being altered outside blocking gasification inner flue gas of the stove.Preferably,
The bottom surface of the remaining portion is higher than it close to the part of feeding access by stating the part of gasification furnace, i.e. its bottom surface is closer to gasification furnace
Higher inclined surface, structure are referred to shown in Fig. 2.It herein and is not specifically limited, this field skill as its angle of inclination
Art personnel can use the remaining portion of different length and inclined bottom surface angle according to actual material situation and reaction needs etc., or
Person is in remaining portion in such a way that bottom surface is horizontal and top surface tilts down.
In order to advanced optimize above-mentioned technical solution, feeding wind apparatus is provided in remaining portion.Specifically, according to object
At remaining portion annular feeding wind can be arranged in the density and compression ratio of material, and feeding air port is oblique towards in stove, blast pipe and furnace body
In 0-45 degree, structure please refers to shown in Fig. 2 gradient between radial direction, and feeding wind cyclone specifically may be used and provide above-mentioned feeding
Wind.
Biomass class solid waste provided in an embodiment of the present invention and dangerous waste feeding system further include liquid feeding feed system；
The liquid feeding feed system includes delivery pump, stokehold flow container and multiple liquid storage tanks；Wherein, the discharge port of multiple liquid storage tanks
It is communicated in the feed inlet of stokehold flow container, delivery pump is connected between liquid storage tank and stokehold flow container；The discharge port of stokehold flow container
Feed inlet for being connected to gasification furnace.Liquid material is separately stored according to classification, when needing feeding by one such or
A variety of introducing stokeholds flow container；By separated storage and feeding charging, influencing each other between different type liquid material is avoided；
The liquid material in the flow container of stokehold is transported in gasification furnace later.
In the specific embodiment that this programme provides, liquid feeding feed system further includes wiper mechanism, comes from swelling water
The clear water of case is transported to by pump in liquid storage tank, as shown in figure 3, it is introduced into stokehold flow container in one or more liquid materials,
And after being transported in gasification furnace, first stokehold storage tank can be cleaned with clear water as needed, reprocess other liquid objects
Material；Or it is cleaned in the case where impurity blocks.Preferably, being cleaned using hot water in above-mentioned wiper mechanism.
In order to advanced optimize above-mentioned technical solution, liquid feeding feed system further includes atomizer, atomizer into
Material mouth is communicated in the discharge port of stokehold flow container.The first orifice plate is provided at the feed inlet of atomizer, discharge port is provided with the second hole
Plate offers multiple air jet orifices on the side wall of middle section.Liquid material radially advances in pipeline, first by the first orifice plate
It is split into the very thin flow of multiply, is entered in the spray chamber in atomizer later, multiply air is radially all by air jet orifices
Circle, which is sprayed into, to be come；In above-mentioned spray chamber, liquid-to-air comes into full contact with mixing, is implemented in combination with atomization；Finally pass through the second hole
Plate sprays into gasification furnace.Above-mentioned air can be provided by air compressor machine, be kept in compressed air cylinder.
In addition, according to the actual needs of the difference of calorific value and subsequent treatment process, it can also be direct by operative liquid material
It is transported in combustion tower and directly burns.
In the preferred embodiment that this programme provides, before liquid material is transported in gasification furnace, first it is carried out pre-
Heat can specifically carry out at the heat exchanger after the flow container of stokehold, provide good basis for subsequent gasification, structure can join
Shown in Fig. 3.
By the above-mentioned liquid feeding feeding process for liquid material characteristic, the demand of different type material is met,
The perfect biomass class solid waste and dangerous waste feeding technique of this programme.
It please refers to shown in Fig. 1, feeding technique conveys material in order, by screw conveyor under the siccative storehouse of ground by material
Sending (can be by bucket type elevator or embedded scraper transporter or high angle belt conveyer conveyer or pipe chain to high-order stokehold feed bin
Formula conveyer etc.)；Preferably, to avoid airborne dust, the emission of bad smell etc. in material transportation process, conveying equipment should be closed
Conveying.
In conclusion an embodiment of the present invention provides a kind of biomass class solid waste and dangerous waste feeding system, stokehold therein
Feed bin act as adjusting preposition pretreatment and prepares siccative ability and buffer unit before the intermediate furnace of gasification process siccative ability, simultaneously
It plays and provides material for subordinate's conveying equipment, which is that outer wall is rotary, and whole up-small and down-big, above 2 points are played brokenly
Arch prevents the effect of fluffy material；
Stokehold feed bin divides into constant feeder, and the conveying capacity of material can be effectively adjusted by frequency control, play quantitatively to
The purpose of material；
Constant feeder outlet lower section is equipped with Pneumatic high temperature quick-break valve, which can in the case where inner flue gas of the stove is largely altered outside
Lower section flame and flue gas is quickly blocked, the further diffusion of flue gas is prevented, plays the role of protection, while the equipment and stokehold
Dump device and spray equipment are chain, and three realizes the safety effect of protection equipment and material simultaneously, and the valve actuation power is by sky
Press compression air provides, and realizes that the function of quickly cutting off, valve body material are high-temperature resistant material；
It is front-furnace feeding machine under Pneumatic high temperature quick-break valve, the form according to the different batchers of material is also not exactly the same,
It is mainly characterized in that auger type conveys, and the material low to compression ratio uses twin axle auger, and high to compression ratio is become using uniaxial
Screw pitch auger, while the remaining portion of the cohesive position of batcher and gasification furnace setting different angle, the remaining portion is for blocking gas
Change and altered outside inner flue gas of the stove, is ensured to be filled up completely state in batcher, while can be detained according to the density of material and compression ratio
Section place annular setting feeding wind, feeding air port is to be oblique towards in stove, and gradient is in 0-45 degree between blast pipe and furnace body radial direction.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (6)
1. a kind of biomass class solid waste and dangerous waste feeding system, which is characterized in that including in solid-state feeding feed system and liquid
Expect feed system；The solid-state feeding feed system includes：Stokehold feed bin and feed mechanism；The stokehold feed bin be it is rotary,
The cross-sectional area of the cross-sectional area of the inner cavity lower part of the stokehold feed bin greatly to its upper；And it is set in the access of the feed mechanism
Be equipped with the quick-break valve for blocking flame and flue gas, the quantity of the quick-break valve be it is multiple, it is two neighboring to have certain distance interval
Setting；The access of the feed mechanism and the joining place of gasification furnace are provided with the gradually small remaining portion of lumenal cross-section, in institute
It states and is provided with feeding wind apparatus in remaining portion, the feeding wind apparatus includes the feeding air port of annular setting, the feeding air port
To be oblique towards in the gasification furnace, gradient is in 0-45 degree between the gasification furnace radial direction；
The liquid feeding feed system includes delivery pump, stokehold flow container and multiple liquid storage tanks；Wherein, multiple liquid storages
The discharge port of tank is communicated in the feed inlet of the stokehold flow container, and the delivery pump is connected to the liquid storage tank and the stokehold
Between flow container.
2. biomass class solid waste according to claim 1 and dangerous waste feeding system, which is characterized in that the feed mechanism
Further include being provided with temperature measuring equipment in access, the temperature measuring equipment is connected with quick-break valve communication, and in the temperature measuring equipment
Measuring temperature higher than in the case of predetermined temperature, the quick-break valve blocks the access in the feed mechanism.
3. biomass class solid waste according to claim 2 and dangerous waste feeding system, which is characterized in that in the feed mechanism
Multiple feeding devices are provided with, multiple feeding devices are communicated with the temperature measuring equipment and connected, and in the temperature measuring equipment
Measuring temperature sequentially stop successively higher than the direction that in the case of predetermined temperature, multiple feeding devices advance according to material
Only.
4. biomass class solid waste according to claim 3 and dangerous waste feeding system, which is characterized in that in the feed mechanism
It is additionally provided with dump device and spraying cooling equipment, both communicates and connects with the temperature measuring equipment, and in the thermometric
In the case that the measuring temperature of device is higher than predetermined temperature, the dump device and the spraying cooling equipment start.
5. biomass class solid waste according to claim 1 and dangerous waste feeding system, which is characterized in that the liquid feeding into
Material system further includes atomizer, and the feed inlet of the atomizer is communicated in the discharge port of the stokehold flow container.
6. biomass class solid waste according to claim 5 and dangerous waste feeding system, which is characterized in that the atomizer into
The first orifice plate is provided at material mouth, discharge port is provided with the second orifice plate, multiple air jet orifices are offered on the side wall of middle section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510270939.4A CN104862013B (en) | 2015-05-25 | 2015-05-25 | A kind of biomass class solid waste and dangerous waste feeding system |
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| CN201510270939.4A CN104862013B (en) | 2015-05-25 | 2015-05-25 | A kind of biomass class solid waste and dangerous waste feeding system |
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| CN104862013A CN104862013A (en) | 2015-08-26 |
| CN104862013B true CN104862013B (en) | 2018-07-17 |
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| CN109422104A (en) * | 2017-08-30 | 2019-03-05 | 黑龙江如柏科技有限公司 | A kind of bin component and the paper pulp production line with it |
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| CN201857370U (en) * | 2010-08-20 | 2011-06-08 | 华北电力大学 | External biomass spiral feeder |
| CN202040828U (en) * | 2011-05-05 | 2011-11-16 | 武汉凯迪工程技术研究总院有限公司 | Biomass fuel two-stage material plug spiral positive-pressure continuous feeding device |
| CN102537947A (en) * | 2012-01-20 | 2012-07-04 | 宿迁市凯迪绿色能源开发有限公司 | Novel boiler front feeding device of straw biomass CFB boiler |
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| AU4640699A (en) * | 1999-07-19 | 2001-02-05 | Nuova Meccanica S.R.L. | Process and apparatus for producing combustible gas from carbonaceous waste |
| CN201382434Y (en) * | 2009-04-22 | 2010-01-13 | 河北新能电力有限公司 | High-efficient stokehold feeding system of straw direct-fired boiler |
| CN103776046B (en) * | 2012-10-21 | 2016-06-08 | 国惠环保新能源有限公司 | Rotating biomass boiler storing and feed process is postponed before screw rod |
| CN204848779U (en) * | 2015-05-25 | 2015-12-09 | 山东百川同创能源有限公司 | Useless admittedly and useless feeding system of danger of living beings class |
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- 2015-05-25 CN CN201510270939.4A patent/CN104862013B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201530804U (en) * | 2009-08-20 | 2010-07-21 | 武汉凯迪控股投资有限公司 | Feeding device of plasma gasification furnace |
| CN201857370U (en) * | 2010-08-20 | 2011-06-08 | 华北电力大学 | External biomass spiral feeder |
| CN202040828U (en) * | 2011-05-05 | 2011-11-16 | 武汉凯迪工程技术研究总院有限公司 | Biomass fuel two-stage material plug spiral positive-pressure continuous feeding device |
| CN102537947A (en) * | 2012-01-20 | 2012-07-04 | 宿迁市凯迪绿色能源开发有限公司 | Novel boiler front feeding device of straw biomass CFB boiler |
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