CN108641738A - A kind of charging outlet ash handling equipment of coal clean utilization - Google Patents
A kind of charging outlet ash handling equipment of coal clean utilization Download PDFInfo
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- CN108641738A CN108641738A CN201810901360.7A CN201810901360A CN108641738A CN 108641738 A CN108641738 A CN 108641738A CN 201810901360 A CN201810901360 A CN 201810901360A CN 108641738 A CN108641738 A CN 108641738A
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- charging outlet
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/04—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/28—Other processes
- C10B47/32—Other processes in ovens with mechanical conveying means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/28—Other processes
- C10B47/32—Other processes in ovens with mechanical conveying means
- C10B47/44—Other processes in ovens with mechanical conveying means with conveyor-screws
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention provides a kind of charging outlet ash handling equipment of coal clean utilization is related to, the holding vessel input end is connected by the first valve with conveying device；The outlet end of holding vessel is connected by the second valve with screw；The lower end of the ash handling equipment is connected with feeding cylinder, and the feeding cylinder is connect with screw by third valve；The feeding cylinder is tightly connected reaction kettle by metal compensator and dynamic and static sealing device.Simple in structure, energy continuous feed, continuous gas generation, hi-temp hi-effective dedusting, the feeding equipment of the big production of continuous industryization.Low temperature, anaerobic, do not have to outer water in the case of, the oil, natural gas of high value in coal and water are separated by cleaning pretreatment, obtain high card anthracite, also the coal base new material of high added value can be can be obtained in the further deep processing of anthracite.
Description
Technical field
The present invention relates to a kind of charging outlet ash disposal of coal energy-conserving and emission-cutting technology field more particularly to coal clean utilization dresses
It sets.
Background technology
China be one " more coals, few oil, lean gas " country, in the explored fossil energy reserves in China, oil and
Natural gas only accounts for 6%, remaining 94% is coal substance.Such resource characteristic determines that China will build energy based on coal substance
Source structure.
Coal in China uses and reserves are in the majority with low-order coal, the main air total emission volumn coal such as sulfur dioxide and nitrogen oxides
Contribution accounts for 2/3rds or more, and coal clean and effective is utilized and has become national strategy and inevitable choice.Clean and effective utilizes main two
A direction, first, end treatment, minimum discharge after coal combustion, second is that source clean utilization.Original will be done again after coal cleaning pretreatment
Material or high-grade fuel, change tradition utilize path, from economical and environmentally friendly angle can substantially change it is existing utilize pattern.
Coal material composition includes organic matter (hydrocarbon oxygen nitrogen sulphur etc.), inanimate matter (moisture and minerals) two major classes.Wherein, have
Heat caused by the burning of machine matter is its energy value place, and moisture absorbs heat in coal substance combustion and becomes vapor, not only
The calorific value of coal substance and market value are influenced, the hiding security risk that furnace pressure is unstable is more brought.
Publication No. is that CN101985558 discloses a kind of resolving device of coal substance, including one carries feed inlet and goes out
The closed kiln body of material mouth, the kiln body is interior to be arranged flame feed channel heating mechanism, the flame feed channel heating mechanism and kiln body inner wall
Between the coal substance that is formed promote decomposition channels, the coal decomposition gas that setting is connected to coal substance propulsion decomposition channels in the kiln body
Collecting pipe.The equipment can resolve into powder coal combustion gas, tar gas and the higher coal of calorific value, but treating capacity is small, it is difficult to industrialize
Using.
Meanwhile powder coal upgrading energy one side continuous production, high-temperature dust is efficiently removed on one side, and continuous mass production integrates
Equipment is domestic almost without some is also the dust processing that stop production two weeks.
Invention content
To solve the deficiencies in the prior art, the present invention provides a kind of simple in structure, energy continuous feed, continuous productions
Gas, hi-temp hi-effective dedusting, the feeding equipment of the big production of continuous industryization.Low temperature, anaerobic, do not have to outer water in the case of, pass through
Cleaning pretreatment separates the oil, natural gas of high value in coal and water, obtains high card anthracite, also can be by anthracite
The coal base new material of high added value can be obtained in further deep processing.
Specific technical solution of the present invention is as follows：
A kind of charging outlet ash handling equipment of coal clean utilization, the holding vessel input end pass through the first valve and conveying
Device is connected；The outlet end of holding vessel is connected by the second valve with screw；The lower end of the ash handling equipment and feed cylinder
Body is connected, and the feeding cylinder is connect with screw by third valve；The feeding cylinder passes through metal compensator
It is tightly connected reaction kettle with dynamic and static sealing device.
The conveying device includes helical feed, scraper plate conveying, bucket elevator, roller conveying etc..
The adjacent intermediate channel of drag conveyor it is horizontal, in vertical plane can limited warpage cry flexible scraper plate conveying
Machine.Its middle fuselage is in working face and haulage drift intersection in the working face conveyor of 90 degree of bending settings " turning scraper plate is defeated
Send machine ".In current coal working face, the effect of drag conveyor is not only to transport coal and material, but also is coalcutter
Running track, therefore it becomes indispensable capital equipment in modernization coal winning technology.Drag conveyor can keep continuously transporting
Turn, production can be normally carried out.Otherwise, entire coal working face just will present end-of-life state, make entire production disruption.Scraper plate is defeated
Send machine scraper plate chain haulage, the transferring bulk cargo in slot.Drag conveyor can be used for horizontal transport, also can be used for tilting transport.Tool
Have sturdy construction, it is simple in structure, in delivered length can arbitrary point charging or discharging, casing is closed, can prevent conveying material
When dust from flying and the advantages that pollute environment.
Screw conveyor is commonly called as auger, is suitable for the horizontal feed of particle or granular material, tilts conveying, vertical transport etc.
Form.Fed distance is different according to lopsided different, generally from 2 meters to 70 meter, is shifted for the material between adjacent two roller,
Screw conveyor includes shaftless screw and has axis spiral, can be configured as multiple coil propeller；Select which kind of conveyer specific
Depending on the aesthetics of visual material conveying capacity, material component, gradient and drying unit.
Preferably, drag conveyor or helical feed can be selected in conveying device.
The main function of the holding vessel be storage material, play the role of one storage, buffering, including cuboid and
Cylindrical structure.Cylindrical structure, bottom is generally used to use inverted conical structure.It can be stored most with minimum material in this way
Big material.The size of holding vessel and the quantity of tank body are determined according to actual treatment ability and demand.
The quantity and size of holding vessel can be determined according to the day output of reaction kettle, it is therefore an objective to for feed barrel feed into
Row deposit and buffering, while playing the role of automatic gas-locking, when screw starts, the second valve automatically turns on, holding vessel
Material have certain height, mainly material compacting height can block reaction gas reactor pressure prevent from leaking,
Holding vessel cannot thoroughly and not expect simultaneously, and not so the high-temperature oil gas in reaction kettle passes through the second valve of unlatching, third valve adverse current
And go out, so holding vessel is generally fitted with material level alarm, and when less than certain value, automatic alarm, auto feed.
The level-sensing device mainly has radar type, Weight type, nuclear radiation formula, ultrasonic type and condenser type.Radar levelmeter
Using the measurement method of microwave pulse, and can be normal in industrial frequency wavelength band, beam energy is low, is mountable to various gold
Belong to, in nonmetallic vessel or pipeline, contactless continuous measurement is carried out to the level of liquid, slurry and particulate material.Suitable for powder
Dirt, temperature, pressure change are big, there is occasion existing for inert gas and steam.Radar levelmeter to human body and the equal fanout free region of environment,
Also have is not influenced by medium proportion, is not influenced by change in dielectric constant, and the advantages that scene tunes up is not needed, whether right
Industry needs, or to the economical and practical consideration of customer, is all good selection.
Weight type charge level sensor is by servo electricity thought, the outstanding steel wire rope for having weight, material position transmitting device and with microcomputer
Display instrument formed.After starting, microcomputer sends out drop hammer signal, and weight is put down in the rolling of servo electricity thought, when weight encounters material
Behind face, sender unit sends a signal to microcomputer, so that weight is stopped and declines and send out a liter hammer signal, the reversion of servo electricity thought makes on weight
It rises, and sends out material position signal value to display instrument.Range is measured up to 60m, and this measures, tool unrelated with steam, dust
Have and higher measures precision.
Preferably, cylindrical structure can be used in holding vessel.
Preferably, radar type or Weight type etc. can be selected in level-sensing device.
Preferably, the holding vessel be it is multiple, it is each other in series or parallel on a conveyor.It specifically can basis
The production capacity of reaction kettle, the factors such as live normal throw degree determine.
The powder coal that the screw is mainly used in holding vessel is delivered to rear end, need to seal conveying, including shaftless
Spiral and there is axis spiral.
The length of the appropriate extension certain distance in helical feed end, extension distance can be generated according to holding vessel size and material
Depending on the actual effects such as amount.Parallel conveying can be used in bottom discharge helical feed or certain angle of inclination conveying, angle of inclination are defeated
Sending can make material be more easy to concentrate on a point, and the dead angle of generation is only in conveying end, as long as periodically opening end is blind by Field Force
Plate cleaning can solve the impurity such as the fine coal grain of blocking or dead angle accumulation.
It is because shaftless screw center is a concentric circles preferably, shaftless screw can be selected；Two carry out shaftless screw
Use, under unit area, under certain flow rate, in the case where temperature is not high, than there is the material of axis helical feed more, to
Save the material of round tube.
The valve is mainly used to be turned on or off the conveying of powder coal, including ball valve, gate valve and butterfly valve etc..Ball valve it
With the action being rotated by 90 °, faucet body is sphere, has circular through hole or channel to pass through its axis.Ball valve is mainly used in pipeline
Make the flow direction for cutting off, distributing and changing medium, it is only needed with the rotating torque of the operation and very little being rotated by 90 ° just
It can close tight.Ball valve optimum switchs, stop valve uses.The flashboard of gate valve is for linear motion with valve rod, cries and rises
Drop lever brake valve is also Outside screw stem rising through handwheel type gate valve.Usually there is trapezoidal thread on elevating lever, by the nut and valve body of valve tip
Rotary motion is become moving along a straight line by guide groove, that is, becomes operation torque to operate thrust.Butterfly valve opening and closing element is a disk
The butterfly plate of shape rotates in valve body around the axis of its own, to reach the valve of keying or adjusting butterfly valve.Which kind of valve selected
Door can need to determine according to scene and production.
Preferably, highly practical, at low cost ball valve can be selected in the first valve, the second valve and third valve are optional
With Pneumatic gate valve, operable automatically, high degree of automation.
The front end of the feed barrel is connected with holding vessel and screw, and respectively with the second valve and third valve
Connection, there are two types of effects for the valve, first, being turned on and off material；Second is that lock gas, prevents the high-temperature gas in reaction kettle from pressing
It sails against the current under force effect.
The middle part of the feed barrel is connected to the bottom of an ash handling equipment, and the end of the feed barrel is mended by metal
Device, dynamic and static sealing device and reaction kettle is repaid to connect.
Shaftless spiral blade is installed, the cross section of the helical blade is no more than in cylinder inside the feed barrel
The 3/4 of cross section.The exactly important innovations point of the present invention herein, be drawn on the basis of many experiments one relatively rationally
Diameter, feed barrel internal pipeline is the outlet gas flow path of high-temperature oil gas and the feed path of powder coal, therefore, internal
Heat exchange degree number, also determine the loss of reaction kettle energy.It is general 5~20 meters desirable, while on the outside of feed barrel
It can be kept the temperature with heat-preservation cotton, so that powder coal and the sufficient heat exchange of high-temperature oil gas.
Conveyor screw can be used shaftless screw and have axis spiral, it is proposed that use shaftless screw, because spiral is shaftless, material is not
It easily blocks, discharge gate does not block, thus can be operated compared with low velocity, steady to be driven, and reduces energy consumption；Conveying capacity is that same diameter passes
System has 1.5 times of screw conveyor shaft；Not only can lower section discharging, but also can end discharging；Using special liner plate, which can be at high temperature
Work.
Preferably, the shaftless screw of feed barrel has certain length, and it is 10~15 meters desirable, it is too short to be unfavorable for heat
It exchanges and sealing, too long conveying at high temperature is easily deformed, or even the problems such as fracture.
Internal diameter, thickness and the length scale of feed barrel can be determined according to the treating capacity of real reaction kettle；It actually used
Cheng Zhong, shaftless screw are connected with driving motor.
The present invention using the outlet gap between the top and feed barrel inner wall of conveyor screw, in reaction kettle high-temperature oil gas from
Feed end is discharged, and the advantage is that the temperature of powder coal after capable of controlling the upgrading of reaction kettle rear end, reaches needed for product, reduces reaction
Temperature in kettle realizes continuous mass production, without stopping kettle operation.
The ash handling equipment main function is the high-temperature oil gas containing dust that comes out of reaction kettle under device effect, grey
Dirt is blocked or is captured, and when high-temperature oil gas is by entering next refrigerated separation equipment, substantially increases the stability of follow-up equipment.It removes
Apparatus for ash includes gravitational dust collection, inertial dust collection, cyclone dust removal, electric precipitation etc.
Cyclone dust collectors mechanism is that dust-contained airflow is made to rotate, and is detached grit simultaneously from air-flow by means of centrifugal force
It is trapped in wall, then so that grit is fallen into ash bucket by gravity.The all parts of cyclone dust collectors all have the dimensions ratio
Example, the variation of each proportionate relationship can influence the efficiency and the pressure loss of cyclone dust collectors, wherein deduster diameter, into
Gas port size, air slit diameter are major influence factors.When in use it should be noted that when more than a certain boundary, favorable factor
Unfavorable factor can be converted into.In addition, some factors are advantageous for improving efficiency of dust collection, but the pressure loss can be increased, thus it is right
The adjustment of each factor must take into account.But the greatest problem of cyclone dust removal is to must assure that the stabilization of air quantity, and high temperature oil gas bag
Containing water vapor, pitch, hydrophily and sticky dust, complicated component, be adhered to it is not easily to fall off on wall, except the non-timed is blown with oil gas
It sweeps, is not so very suitable.
Electrostatic precipitation：Dusty gas when high-voltage electrostatic field by being electrically isolated, on grit and anion junction belt after negative electricity,
Tend to anode surface electric discharge and deposits.Electrostatic precipitator pattern can roughly be divided into following a few classes：It is divided by airflow direction vertical
With it is horizontal, be divided into board-like and tubular type by receiving electrode polar form formula, be divided into dry type wet type etc. by the sweep-out method of dust on precipitation pole plate.
Advantage is purification efficiency height, and drag losses are small, allows operation temperature high, processing gas range amount is big, can fully achieve operation
It automatically controls.The disadvantage is that equipment is more complicated, it is desirable that equipment is allocated and transported and installed and maintenance management is horizontal high.To dust specific resistance
It there are certain requirements, so have certain selectivity to dust, the purification efficiency that the acquisition of all dust all cannot be made very high.It is bullied
The operating condition of body temperature, temperature etc. is affected, and is both that a kind of dust such as operates under different temperatures, humidity, the effect of gained
Difference, some dust using effect under some temperature, humidity is fine, and due to dust electricity under another temperature, humidity
The variation of resistance can hardly use electric precipitator.
Gravitational dust collection keeps airborne dust natural from gas by the gravity of itself using the dust principle different from the proportion of gas
The cleaning equipment to settle down.It is it is a kind of it is simple in structure, that volume is big, resistance is small, easy care, efficiency are low is more original net
Change equipment, is only used for slightly purifying.
Inertial dust separator is also inertial dust separator.Principle be using the difference of dust and gas inertia force during exercise, will
Dust is separated from gas.Some form of barrier typically is set in the front of dust-contained airflow, makes the side of air-flow
To drastically changing.At this time dust due to inertia force it is more much bigger than gas, grit is just detached from air-flow and is separated, and is purified
Gas be discharged after reef it in.This deduster is simple in structure, and resistance is smaller, and purification efficiency is relatively low (40-80%),
It is chiefly used in first segment when multistage purification, concentrator in purification or is used cooperatively with other cleaning equipments.
The present invention ash handling equipment on the basis of several usual means, be also equipped with inside ash handling equipment it is heat safe,
The hydrophobic high molecular material of oleophobic, such material can make dust high-temperature oil gas when being rebuffed with ash handling equipment, and dust slowly gathers
When to a certain extent, under the effect of the factors such as the wind-force in its own gravity or the external world, bottom can be freely fallen into, it will not be viscous with device
Together, to make device lose dusting function, while high-pressure oil gun being installed in high molecular material many places inside ash handling equipment, from
Dynamic purging, will not make dust wrap high molecular material and make its inactivation, the invention of this technology considerably increases high temperature oil
The difficulty of gas dust, the dust feed barrel fallen into is interior to be again introduced into reaction kettle reaction by helical feed.
Preferably, the feed barrel is equipped with metal compensator with reaction kettle junction, top is installed respectively
There are remote control and the temperature sensor and pressure sensor of field monitoring.
Metal compensator is as a kind of flexible pressure-resistant pipe fitting, using effective dilatation of its operative body bellows, with
Change in size or compensation pipes that absorption line, conduit, container etc. are generated by the reasons such as expanding with heat and contract with cold, conduit, container etc.
The effects that axial, transverse direction and angular displacement absorb vibrational energy, can play vibration damping, noise reduction has flexible, light weight, resistance to
The multinomial features such as the antifatigue, high-low temperature resistant of burn into.
The dynamic and static sealing device is mainly by gland component, enhancing soft graphite disk, sealed outer ring component and sealing
The compositions such as baffle ring component.Gland component is welded by flange, seamless steel pipe, pressure ring group.During the work time due to pyrolysis furnace
The gas of generation does not have corrosivity, and the temperature of gas is at 200~400 DEG C or so.So pressure ring assembly uses normal carbon
Structural steel just can meet technological requirement, and it is elastic to graphite packing_seal to realize to go deep into the length of sealed outer ring by adjusting gland
Adjusting.
Tensile strength that enhancing flexible graphite stuffing not only overcomes pure graphite material is low, flexible soft resilience is poor, gas
The disadvantages such as close property is low；But also there is good heatproof, anti-oxidant, corrosion resistance and preferable compression performance.Also stone simultaneously
The good characteristic of ink；Therefore pyrolysis furnace and sealing element important in spiral sealing device structure are done with it；Also with its axial direction
Retractility, radial lubricity and its comprehensive performance；
Preferably, the number of turns wound in this structure is enclosed for 8-12.
Sealed outer ring component is by flange, takes over and welded with pressure ring group, and sealing inner shield ring is welded by steel pipe and annulus
It connects；Graphite packing is wrapped among the two, and by friction sealed between three, common cooperation is played radial and axial
Sealing function.
The reaction kettle is Rotatable mechanism, and the material in reaction kettle can be made to be heated evenly；Reaction kettle is externally provided with heater box,
And equipped with the heat conducting pipe through the reaction kettle, which is connected to the heater box；The vertical reaction kettle axis of the heat conducting pipe
Line is arranged, and adjacent two heat conducting pipes vertical interlaced.
It is equipped with inclination arrangement in the reaction kettle and helically the deflector of structure, deflector are divided into water conservancy diversion steel plate and water conservancy diversion
Single coil configuration or double-spiral structure can be used in stainless steel plate, also can single, double combination spiral stream guidance structure；It is revolved in reaction kettle
During turning, the deflector of inclination arrangement has guide functions to the material in reaction kettle, and the material in reaction kettle is in water conservancy diversion
It is moved to discharge port under the action of plate, accelerates the discharge of material in reactor.
Reaction kettle in the present embodiment is progressive circulating continuous production reaction unit, built-in 6~15 wireless temperatures
Controller, the temperature for monitoring section, when equipment discharge port temperature does not also reach assigned temperature (500 DEG C~800 DEG C), tool
The temperature of body is determined that temperature sensor sends computer and alarm device to by signal conveying, reminds work by different products
Personnel, this is to illustrate that product does not reach Eligibility requirements also, is at this time taken measures main as follows, and reaction kettle can invert, and make fast
Material to outlet is again introduced into reaction kettle and fully reacts, and extends the residence time, while continuing to heat, reaction kettle reversing time is
30min-120min etc., then reaction kettle rotating forward sees whether temperature sensor alarms when material enters discharge port, if report
Alert, reaction kettle inverts again, so repeats, and ensures that product qualification is offline.If temperature sensor displays temperature is up to standard, fine coal enters
Discharge port, into next program.
The driving device includes drum peripheral face ring gear, the support roller engaged with the ring gear and the electricity for driving
Machine.
Preferably, to prevent roller from gliding, limiting device can be set at support roller.The limiting device of the present invention is optional
Projection is selected in the ring-shaped step at support roller both ends, in the setting of support roller peripheral surface to be arranged with the matched limiting slot of outer shroud, at outer shroud
The forms such as groove, the limit protrusion coordinated with groove in the setting of support roller peripheral surface.
It is convenient for maintenance, access hole, the number of access hole, ruler can be respectively equipped in feeding seal case and discharging seal box
It is very little, depending on specific location visual device device and site space；The quantity of access hole be 1~5, internal diameter DN300~800 it
Between.When device breaks down, site operation personnel can repair the component in device by manhole, after the completion of repair
Maintenance door is closed, the position of manhole setting can be determined according to practical matter.
Preferably, the number of each turnaround of unit mouth is 1~3, internal diameter is between DN400~DN500.
To prevent manual work from scalding, and adequately Btu utilization and heat exchange, it can be in feeding seal case, discharge sealing
It can be kept the temperature with heat-preservation cotton on the outside of case and roller, the thickness and heat insulation effect of heat-preservation cotton depend on temperature inside device and device
It is required that.
Preferably, the thickness of insulating layer is 100mm~200mm.
Beneficial effects of the present invention are embodied in：
(1) feed barrel of the invention and ash handling equipment can continuous feed, automatic ash-removing makes full use of the conservation of energy fixed
Rule, improves the utilization rate of heat exchange, overall reduction temperature of reaction kettle, to which the consumption of the energy be greatly saved.
(2) present invention is by holding vessel, screw, the simple connection of valve, solve continuous feed in decades without
The problem of method automatic gas-locking, by the automatic sensing of holding vessel material position inductor, Pneumatic gate valve is turned on and off, helical feed
The material of device conveys, and hermetically sealed connection is easy to operate, is not necessarily to large complicated equipment, and peace is greatly reduced for plant personnel
Full hidden danger.
(3) the ratio between feed barrel of the present invention and helical blade cross-sectional area obtain on a large amount of experiment basis
Conclusion seems simple charging and outlet, realizes the energy conversion efficiency and efficiency of dust collection of higher efficacy actually, to a certain degree
On alleviate the pressure of ash handling equipment and follow-up equipment.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the charging outlet ash handling equipment of coal clean utilization of the present invention
Specific implementation mode
A kind of charging outlet ash handling equipment of coal clean utilization of the present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of charging outlet ash handling equipment of coal clean utilization, including holding vessel 3, ash handling equipment 11 and anti-
Kettle 12,3 top of holding vessel is answered to be connected with conveying device 1 by the first valve 2；3 bottom end of holding vessel passes through the second valve 4 and spiral
Device is connected.11 bottom end of ash handling equipment is connected with feeding cylinder 7, and the feeding cylinder 7 and screw 5 pass through the
Three valves 6 connect.The reaction kettle 12 is tightly connected by metal compensator 8, dynamic and static sealing device 9 and feeding cylinder 7.
Holding vessel 3 is one or more, can be in series or in parallel.The main function of holding vessel 3 is storage material, is played
One storage, the effect of buffering, including cuboid and cylindrical structure.Cylindrical structure, bottom is generally used to use inverted cone
Shape structure.Preferably, cylindrical structure can be used in holding vessel 3.
Material position inductor 10 is installed inside holding vessel 3.The level-sensing device mainly has radar type, Weight type, nuclear radiation
Formula, ultrasonic type and condenser type.Preferably, radar type or Weight type etc. can be selected in level-sensing device 10.
The middle part of feeding cylinder 7 is connected to the bottom of an ash handling equipment 11, and the end of feed barrel 7 passes through metal compensator
8, dynamic and static sealing device 9 is connect with reaction kettle 12.Shaftless spiral blade is installed, the cross section of blade is not inside feeding cylinder 7
3/4 more than cylinder internal diameter cross section is obtained, generally can use 5~20 meters, while 7 outside of feed barrel can be kept the temperature with heat-preservation cotton, with
Make powder coal and the sufficient heat exchange of high-temperature oil gas, is unlikely to heat and is largely lost.
Heat safe, the high molecular material of oleophobic property is installed inside ash handling equipment 11
Dynamic and static sealing device 9 is mainly by gland component, enhancing soft graphite disk, sealed outer ring component and sealing inner shield ring group
The compositions such as part.
Reaction kettle 12 is equipped with driving device 13.
Reaction kettle 12 is Rotatable mechanism, and the material in reaction kettle 12 can be made to be heated evenly；Reaction kettle 12 is externally provided with heating
Case, and equipped with the heat conducting pipe through the reaction kettle 12, which is connected to the heater box；
The course of work of apparatus of the present invention is：
Dry material up to standard conveying device 1 effect under by the first valve 2 according to demand free switching enter it is multiple
Holding vessel 3 stores for future use, wait for the used time open also can free switching the second valve 4, sent from third valve 6 by screw 5
Enter feeding cylinder 7, the reaction kettle 12 of 7 end of feeding cylinder and horizontal rotary passes through metal compensator 8 and connects with dynamic and static sealing device 9
It connects, revolving reaction under the action of driving device 13 of the material in reaction kettle 12, the high-temperature dusty gas in reaction kettle 12 leads to again
Feeding cylinder 7 is crossed, be completely heat exchanged and tentatively under dirt effect, enters back into 11 ash disposal of ash handling equipment in helical blade, removes
High-temperature oil gas after ash enters back into next link.
The foregoing is merely the preferable implementation examples of the present invention, are not intended to restrict the invention, it is all in spirit of that invention and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
The invention discloses a kind of charging outlet ash handling equipment of coal clean utilization, including holding vessel, ash handling equipment and anti-
Answer kettle, it is characterised in that：The storage upper end is connected by the first valve with conveying device；Holding vessel bottom end passes through second
Valve is connected with screw；The ash handling equipment bottom end is connected with feeding cylinder, the feeding cylinder and screw
It is connected by third valve；The reaction kettle is tightly connected with feeding cylinder.Apparatus of the present invention are simple in structure, can continuously into
Material, continuous gas generation, hi-temp hi-effective dedusting, charging ash disposal integration, and sustainable work.
Claims (10)
1. a kind of charging outlet ash handling equipment of coal clean utilization, including holding vessel (3), ash handling equipment (11) and reaction kettle
(12), it is characterised in that：
Holding vessel (3) input end is connected by the first valve (2) with conveying device (1)；The outlet end of holding vessel (3) is logical
The second valve (4) is crossed with screw to be connected；
The lower end of the ash handling equipment (11) is connected with feeding cylinder (7), and the feeding cylinder (7) is logical with screw (5)
Cross third valve (6) connection；
The feeding cylinder (7) is tightly connected reaction kettle (12) by metal compensator (8) and dynamic and static sealing device (9).
2. charging outlet ash handling equipment as described in claim 1, which is characterized in that nothing is arranged in the feed barrel (7)
Axis helical blade, 3/4 of cross-sectional area no more than cross-sectional area in cylinder of the helical blade.
3. as described in claim 1 charging outlet ash handling equipment, which is characterized in that the holding vessel (3) be it is multiple, mutually
It is in series or in parallel in conveying device (1).
4. charging outlet ash handling equipment as described in claim 1, which is characterized in that the holding vessel (3) is installed in inside
There is material position inductor (10).
5. charging outlet ash handling equipment as described in claim 1, which is characterized in that the reaction kettle (12) is equipped with driving
Device (13).
6. charging outlet ash handling equipment as described in claim 1, it is characterised in that be equipped with high temperature resistant inside ash handling equipment 11
, the high molecular material of oleophobic property.
7. charging outlet ash handling equipment as described in claim 1, which is characterized in that the ash handling equipment (11) and reaction kettle
(12) outside is equipped with insulating layer.
8. charging outlet ash handling equipment as described in claim 1, which is characterized in that the reaction kettle is rotating mechanism, instead
Kettle is answered to be externally provided with heater box, and equipped with the heat conducting pipe through the reaction kettle, which is connected to the heater box.
9. charging outlet ash handling equipment, feature exist as described in claim 1, it is equipped in the reaction kettle and is in tilted layout and is in
The deflector of helical structure.
10. as described in claim 1 charging outlet ash handling equipment, it is characterised in that first valve be ball valve, second
Valve and third valve are Pneumatic gate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810901360.7A CN108641738A (en) | 2018-08-09 | 2018-08-09 | A kind of charging outlet ash handling equipment of coal clean utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810901360.7A CN108641738A (en) | 2018-08-09 | 2018-08-09 | A kind of charging outlet ash handling equipment of coal clean utilization |
Publications (1)
| Publication Number | Publication Date |
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| CN108641738A true CN108641738A (en) | 2018-10-12 |
Family
ID=63760949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810901360.7A Pending CN108641738A (en) | 2018-08-09 | 2018-08-09 | A kind of charging outlet ash handling equipment of coal clean utilization |
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| Country | Link |
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| CN (1) | CN108641738A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110926106A (en) * | 2019-12-02 | 2020-03-27 | 浙江天禄环境科技有限公司 | Liquefaction process for preparing LNG |
| CN111253979A (en) * | 2018-11-30 | 2020-06-09 | 浙江天禄环境科技有限公司 | Method and system for preparing synthetic gas from coal |
| CN111321010A (en) * | 2018-12-13 | 2020-06-23 | 浙江天禄环境科技有限公司 | Method and system for preparing synthesis gas by utilizing low-rank coal in multiple ways |
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| CN106753470A (en) * | 2016-12-30 | 2017-05-31 | 浙江天禄环境科技有限公司 | A kind of sludge charcoal device with the automatic air-out mechanism of continuous feed |
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