CN106085483A - There is the Large Copacity oil shale retorting circular furnace of star-like arcuately distribution device - Google Patents
There is the Large Copacity oil shale retorting circular furnace of star-like arcuately distribution device Download PDFInfo
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- CN106085483A CN106085483A CN201610637978.8A CN201610637978A CN106085483A CN 106085483 A CN106085483 A CN 106085483A CN 201610637978 A CN201610637978 A CN 201610637978A CN 106085483 A CN106085483 A CN 106085483A
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- gas
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- air inlet
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Classifications
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- 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
- C10B53/06—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of oil shale and/or or bituminous rocks
-
- 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
- C10B21/00—Heating of coke ovens with combustible gases
- C10B21/08—Heating of coke ovens with combustible gases by applying special heating gases
-
- 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
- C10B31/00—Charging devices
- C10B31/06—Charging devices for charging horizontally
-
- 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
- C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
- C10B49/02—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge
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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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Furnace Details (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of Large Copacity oil shale retorting circular furnace with star-like arcuately distribution device, including body of heater, oil gas vent header it is sequentially provided with from top to bottom in body of heater, compound matrices umbrella distribution device, hot gas gas distribution pipe and cold gas gas distribution pipe, compound matrices umbrella distribution device includes feed pipe, feed pipe is connected through described oil gas vent header with the discharge end of feed screw, by hanging bar, center battle array umbrella is installed below feed pipe, by hanging bar, some surrounding battle array umbrellas are installed around the battle array umbrella of center, center battle array umbrella is all connected with oil gas vent header by airway with surrounding battle array umbrella, hot gas gas distribution pipe two ends connect through body of heater both sides hot gas air inlet header, cold gas gas distribution pipe two ends end connects through body of heater both sides cold gas air inlet header.Oil yield of the present invention is about 85% 95%, and the semicoke discharged is through the burning of CFBB, heat cycles gas, and energy is utilized, and gas distribution is more uniform.
Description
Technical field
The present invention relates to star-like arcuately distribution device, be specifically related to a kind of Large Copacity oil with star-like arcuately distribution device
Shale retorting circular furnace.
Background technology
Oil shale is that a kind of reserves are the abundantest but the resource that is not well utilised.Global oil shale is converted to page
Rock innage reaches more than 4,000 hundred million tons, verifies crude oil reserve more than more than 1,700 hundred million tons far beyond the world.China's oil shale prediction up to 719,900,000,000
Ton, being converted to shale oil resource is 47,600,000,000 tons.
Domestic existing dry distrillation apparatus for oil shale, in gas heat carrier dry distilling mode, mainly has Fushun half gas combustion to do
Furnace, the full gas combustion retort in Maoming and Huadian formula gas retort.
Fushun half gas combustion retort is when carrying out retorted shale, and required thermal source comes from gasification in cycling hot gas and stove
Section Pyrolysis Char and air imperfect combustion produced gasification gas, and needed for the full gas combustion retort in Maoming thermal source entirely from
In heat smoke produced by dry distilling gas combustion.Containing a large amount of nitrogen and titanium dioxide in gas produced by two kinds of distillation process
Carbon, greatly reduces gas calorific value, also have impact on empyreumatic oil yield.
Huadian gas retort then uses gas full circulation technology to carry out oil-shale retorting, the heat carrier used entirely from
Cycling hot gas, this hot gas does not has combustion reaction, contained nitrogen and carbon dioxide few, and gas calorific value is high, simultaneously because stove
Inside not having combustion reaction, be difficult to local overheating in stove occur, oil yield is higher.Single heat size of Huadian gas retort is at present
300t/d。
According to the existing design feature of Huadian gas retort, all there is certain office in its distributing mode, gas distribution mode and coke discharging
Sex-limited.
1. distributing mode is that single battle array umbrella cloth material, i.e. gas retort top utilize single battle array umbrella by material circumferentially, battle array
Umbrella centrally under occurs without material space, i.e. presents middle low, the highest phenomenon.In order to alleviate this material position out-of-flatness, birch
At battle array umbrella lower part, pasture stove arranges that two-layer herringbone plate carries out quadratic distribution to material.Smaller part reason amount is done by this distributing mode
For furnace, cloth uneven phenomenon is inconspicuous.But along with treating capacity increases, gas retort internal diameter is also with increase, and single battle array umbrella is tied
The distributing mode closing herringbone plate can not meet requirement.
2. the gas distribution mode of Huadian gas retort have employed hot gas and outwards sprays along the periphery of ancient cooking vessel shape device, and cold gas is along cold
The circulating mash gas SAPMAC method gas inlet tube from the bottom being arranged at stove enters the intake method of gas retort
(CN201010237472.0, page 9), the section of burner hearth of 300t/d stove is less, and air-flow cuts in being easier to be full of whole cross section, stove
Surface temperature uneven phenomenon is inconspicuous.But along with treating capacity increases, in gas retort, cross section increases the most therewith, heat watt under this gas distribution mode
This air-flow can not be uniformly filled in whole cross section in stove, easily causes section temperature uneven phenomenon and increases the weight of.
3. the coke discharging mode of Huadian gas retort have employed the wet coke discharging mode of routine, solves the gas leakage of body of heater coke discharging with water seal
Problem, this coke discharging mode is used by domestic and international all gas heat carrier gas retort the most equally.Originally the semicoke that calorific value is the highest increases
After moisture, the calorific value of semicoke is remarkably decreased, and burning utilizes the most valueless.
Summary of the invention
The invention provides a kind of Large Copacity oil shale retorting circular furnace with star-like arcuately distribution device, on the one hand avoid
Containing a large amount of nitrogen and carbon dioxide in Fushun half gas combustion retort and Maoming full gas combustion retort gas, another
Aspect solves the problems such as cloth evenness that Huadian gas retort exists, gas uniform air distribution, arranged semicoke calorific value be undesirable.
For achieving the above object, the technical scheme that the present invention takes is:
Having the Large Copacity oil shale retorting circular furnace of star-like arcuately distribution device, including body of heater, described body of heater upper end connects
Feed screw, described feed screw upper end is had to be connected with sealing hopper, loading hopper, described loading hopper and sealing hopper in turn
Between be provided with material inlet valve, be provided with sealed valve between described sealing hopper and feed screw, in described body of heater from top to bottom
It is sequentially provided with oil gas vent header, compound matrices umbrella distribution device, hot gas gas distribution pipe and cold gas gas distribution pipe, described compound matrices umbrella
Distribution device includes feed pipe, and described feed pipe is connected through described oil gas vent header with the discharge end of feed screw, institute
State and by hanging bar, center battle array umbrella is installed below feed pipe, be provided with around some by hanging bar around the battle array umbrella of described center
Battle array umbrella, described center battle array umbrella is all connected with oil gas vent header by airway with surrounding battle array umbrella, described hot gas gas distribution pipe
Two ends connect through body of heater both sides hot gas air inlet header, and described cold gas gas distribution pipe two ends end connects through body of heater both sides to be had
Cold gas air inlet header, described body of heater is further opened with hot gas limit wall air inlet and cold gas limit wall air inlet, described heat watt
This limit wall air inlet tilts to be opened in the wall of body of heater limit, and one end communicates with body of heater, and the other end is connected with hot gas air inlet header, institute
Stating cold gas limit wall air inlet to tilt to be opened in the wall of body of heater limit, one end communicates with body of heater, the other end and cold gas air inlet header
Being connected, described body of heater lower end connects has spiral to discharge of the coke machine, and described spiral machine lower end of the discharging of the coke is provided with the bucket that discharges of the coke.
Preferably, described spiral discharge of the coke machine and discharge of the coke bucket between be provided with sealing electric valve.
Preferably, bucket lower end of the discharging of the coke described in is provided with band and discharges of the coke the discharging opening of electrically operated valve.
Preferably, the quantity of described surrounding battle array umbrella is 4-6.
Preferably, every gas distribution pipe obliquely downward both sides process some air inlets and spray orifice respectively.
Preferably, described hot gas gas distribution pipe and cold gas gas distribution pipe connect corresponding reinforced pipe, if reinforced pipe is provided with
Dry air inlet and spray orifice.
Preferably, the cooling section of body of heater is circular platform type
The method have the advantages that
1, the oily yield of Fushun type retort only has about 60%-65%, and oil yield of the present invention is at about 85%-95%；
2, the dry distilling slag that Fushun type retort furnace bottom is discharged still has certain calorific capacity 350-before falling into water seal
800kcal/kg, accounts for about the 30% of oil shale calorific capacity, and heat loss is big；The semicoke that furnace bottom of the present invention is discharged is through ciculation fluidized
The burning of bed boiler, heat cycles gas, energy is utilized.
3, the air distributing part of gas retort of the present invention is divided into limit wall air inlet and star-like arcuately gas distribution pipe air inlet, wherein, hot gas
Gas distribution pipe has eight arch tracheas and eight reinforced pipes, and cold gas gas distribution pipe has four arch tracheas.Above-mentioned design makes gas distribution more
Add uniformly.
Accompanying drawing explanation
Fig. 1 is the structural representation that the embodiment of the present invention has the Large Copacity oil shale retorting circular furnace of star-like arcuately distribution device
Figure.
Fig. 2 is the profile of A-A in Fig. 1.
Fig. 3 is the profile of B-B in Fig. 1.
Fig. 4 is the profile of C-C in Fig. 1.
Fig. 5 is the profile of D-D in Fig. 1.
Fig. 6 is the profile of E-E in Fig. 1.
Fig. 7 is air inlet scattergram in hot gas gas distribution pipe in Fig. 1.
Fig. 8 is the enlarged drawing of A-A in Fig. 7.
Fig. 9 is the structural representation of reinforced pipe in Fig. 1.
Detailed description of the invention
In order to make objects and advantages of the present invention clearer, below in conjunction with embodiment, the present invention is carried out further
Describe in detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit this
Bright.
As shown in Fig. 1-Fig. 9, embodiments provide have star-like arcuately distribution device Large Copacity oil shale do
Evaporating circular furnace, including body of heater, described body of heater upper end connects feed screw 5, and described feed screw 5 upper end is connected with in turn close
Envelope hopper 3, feed hopper 1, be provided with material inlet valve 2, described sealing hopper 3 and spiral shell between described feed hopper 1 and sealing hopper 3
Rotation charger 5 between be provided with sealed valve 4, be sequentially provided with from top to bottom in described body of heater oil gas vent header 6, center battle array umbrella 8,
Battle array umbrella 9, hot gas gas distribution pipe 11 and cold gas gas distribution pipe 14 around, described center battle array umbrella 8 and surrounding battle array umbrella 9 are as in gas retort
Main distribution device, the center weld of device has feed pipe 7, described feed pipe 7 to enter through described oil gas vent header 6 with spiral
The discharge end of material machine 5 is connected.Wherein, center battle array umbrella 8 and surrounding battle array umbrella 9 are hung solid in stove by the most each hanging bar 21
It is fixed, additionally, center battle array umbrella 8 is all connected with oil gas vent header 6 by airway 22 with surrounding battle array umbrella 9.Described Re Wasibu
Trachea 11, through burner hearth and furnace wall, is provided with hot gas air inlet header 12 outside its corresponding height furnace wall.Described cold gas gas distribution
Pipe 14, through burner hearth and furnace wall, connects outside its corresponding height furnace wall and has cold gas air inlet header 15.Also offer on described body of heater
Having hot gas limit wall air inlet 13 and cold gas limit wall air inlet 16, described hot gas limit wall air inlet 13 tilts to be opened in body of heater
In the wall of limit, the relatively low one end of level communicates with burner hearth, and horizontal higher end is connected with hot gas air inlet header 12.Described cold gas limit
Wall air inlet 16 tilts to be opened in the wall of body of heater limit, and the relatively low one end of level communicates with burner hearth, and horizontal higher end is entered with cold gas
Gas header 15 is connected.Described body of heater lower end connects has spiral to discharge of the coke machine 17, and described spiral machine 17 lower end of the discharging of the coke is provided with the bucket 19 that discharges of the coke.
Described spiral discharge of the coke machine 17 and discharge of the coke bucket 19 between be provided with sealing electric valve 18.
Described bucket 19 lower ends of the discharging of the coke are provided with band and discharge of the coke the discharging opening of electrically operated valve 20.
The quantity of described surrounding battle array umbrella 9 is 4-6.
Every gas distribution pipe obliquely downward both sides process some air inlets respectively.
Connecting corresponding reinforced pipe 10 on described hot gas gas distribution pipe 11 and cold gas gas distribution pipe 14, reinforced pipe is provided with some
Air inlet and spray orifice.
The cooling section of body of heater is circular platform type.
Originally the operation principle being embodied as is: be ground into the oil shale particle of 13-75mm, through feed hopper 1, top sealing gland 2
With cloth tube 3, enter the dryer section of gas retort.The thermal circulation gas of 700 DEG C from arc gas distribution pipe 7 and limit wall air inlet 9 by all
Weighing apparatus continuous print sends into the retort section of body of heater, with by the oil shale particle even contact of cloth tube 3 and herringbone distribution grid 5, sends out
Raw dry distilling, dry distilling produces pyrolysis gas and gas discharges gas retort from the oil gas outlet 4 of furnace roof.80 DEG C of SAPMAC method gas are from cooling
The limit wall air inlet 13 of section enters body of heater, and the semicoke of about 400 DEG C is cooled to about 250 DEG C.SAPMAC method gas heat absorption after with
Thermal circulation gas is joined in the bottom of retort section, makes the temperature of retort section maintain about 520 DEG C, it is to avoid coking and dry distilling are the completeest
Entirely.Cool to the semicoke of about 250 DEG C and discharge body of heater through the spiral machine 15 that discharges of the coke.The pyrolysis gas of discharge body of heater and device in Gas are through fall
Temperature, oil-gas formation shale oil.
Originally it is embodied in feed zone and arranges compound matrices umbrella distribution device, set below top layer central feeding mouth in upper furnace
Zhi Yige center battle array umbrella, below this gust of umbrella around be evenly arranged 4-6 battle array umbrella around, around battle array umbrella quantity regard stove interior diameter and
Fixed.Material is entered by furnace roof center, falls bottom battle array umbrella to circumferencial direction downwards when dropping down onto top battle array umbrella, and material is each through bottom
Material position layer in stove is dropped down onto, formed below effective by the cloth effect of lower square formation umbrella without material space of such upper strata battle array umbrella around battle array umbrella
Fill, can significantly alleviate material position uneven phenomenon.Through this distributing mode, material position entirety tends to uniform, it is not necessary to arrange other such as people
The distribution devices such as font plate, save body of heater height.For realizing the problem of thermal circulation gas uniform air distribution in gas retort, in stove
Retort section arranges star-like arcuately gas distribution pipe device, processes limit wall air inlet, in phase around adjacent height circumference furnace wall simultaneously
Should highly locate, upper and lower two-layer hot gas air inlet header is set outside the furnace wall of gas retort.It is dry that thermal circulation gas is divided into two parts to enter
In furnace, a part of hot gas is in upper strata gas header enters star-like arcuately gas distribution pipe, and every gas distribution pipe obliquely downward both sides are divided
Do not process some air inlets, make hot methane gas spray in stove through these air inlets；Owing to increasing along with section radius, adjacent angular
The distance of degree gas distribution pipe strengthens the most therewith, and below every gas distribution pipe and at the wall of limit, air-flow degree of filling is the highest, for solving this problem,
Near the wall of limit, star-like gas distribution pipe connecting corresponding reinforced pipe, on reinforced pipe, relevant position processes some air inlets, heat
Gas sprays at the wall of limit via these air inlets；The hot gas of another part enters limit wall air inlet through lower floor's gas header, to
In stove, direction, the center of circle enters obliquely.In gas retort, flow through central canal and enter in gas distribution pipe, by the spray orifice being located on gas distribution pipe,
Spraying in gas retort, hot gas connects between adjacent gas distribution pipe reinforced pipe, is provided with spray orifice on gas distribution pipe and reinforced pipe,
Thermal circulation gas is sprayed onto in gas retort by the spray orifice on gas distribution pipe and reinforced pipe, dry rectificating oil shale, for realizing SAPMAC method gas
Uniform gas distribution problem, cooling section is set to circular platform type, is provided with spray orifice on inwall, is associated with header outside spray orifice, and header has four
Individual.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. there is the Large Copacity oil shale retorting circular furnace of star-like arcuately distribution device, including body of heater, it is characterised in that described body of heater
Upper end connects has feed screw (5), described feed screw (5) upper end to be connected with sealing hopper (3), feed hopper in turn
(1), being provided with material inlet valve (2) between described feed hopper (1) and sealing hopper (3), described sealing hopper (3) feeds with spiral
It is provided with sealed valve (4) between machine (5), in described body of heater, is sequentially provided with oil gas vent header (6), compound matrices umbrella cloth from top to bottom
Material device (8,9), hot gas gas distribution pipe (11) and cold gas gas distribution pipe (14), described compound matrices umbrella distribution device (8) include into
Material pipe (7), described feed pipe (7) is connected through described oil gas vent header (6) with the discharge end of feed screw (5), described
Feed pipe (7) lower section is provided with center battle array umbrella (8) by hanging bar (21), and described center battle array umbrella (8) lower periphery is by hanging
Bar (21) is provided with some surroundings battle array umbrella (9), and described center battle array umbrella (8) and surrounding battle array umbrella (9) are all by airway (22) and oil
Gas outlet header (6) is connected, and described hot gas gas distribution pipe (11) connects through body of heater both sides outward has hot gas air inlet to join
Case (12), described cold gas gas distribution pipe (14) connects through body of heater both sides outward cold gas air inlet header (15), described stove
Hot gas limit wall air inlet (13) and cold gas limit wall air inlet (16), described hot gas limit wall air inlet it is further opened with on body
(13) tilting to be opened in the wall of body of heater limit, the relatively low one end of level communicates with burner hearth, higher end and hot gas air inlet header (13)
Being connected, described cold gas limit wall air inlet (16) tilts to be opened in the wall of body of heater limit, and horizontal higher end communicates with burner hearth, another
End is connected with cold gas air inlet header (16), and the connection of described body of heater lower end has spiral to discharge of the coke machine (17), and described spiral discharges of the coke machine
(17) lower end is provided with the bucket (19) that discharges of the coke.
The Large Copacity oil shale retorting circular furnace with star-like arcuately distribution device the most according to claim 1, its feature exists
Discharge of the coke machine (17) and discharge of the coke and be provided with sealing electric valve (18) between bucket (19) in, described spiral.
The Large Copacity oil shale retorting circular furnace with star-like arcuately distribution device the most according to claim 1, its feature exists
In, described in bucket (19) lower end of the discharging of the coke be provided with band and discharge of the coke the discharging opening of electrically operated valve (20).
The Large Copacity oil shale retorting circular furnace with star-like arcuately distribution device the most according to claim 1, its feature exists
In, the quantity of described surrounding battle array umbrella (9) is 4-6.
The Large Copacity oil shale retorting circular furnace with star-like arcuately distribution device the most according to claim 1, its feature exists
In, every gas distribution pipe obliquely downward both sides process some air inlets respectively.
The Large Copacity oil shale retorting circular furnace with star-like arcuately distribution device the most according to claim 1, its feature exists
In, described hot gas gas distribution pipe (11) is upper connects corresponding reinforced pipe (10), and reinforced pipe (10) is provided with some air inlets (22).
The Large Copacity oil shale retorting circular furnace with star-like arcuately distribution device the most according to claim 1, its feature exists
In, the cooling section of body of heater is circular platform type.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637978.8A CN106085483B (en) | 2016-08-08 | 2016-08-08 | Large-capacity oil shale dry distillation circular furnace with star-shaped arch-shaped gas distribution device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637978.8A CN106085483B (en) | 2016-08-08 | 2016-08-08 | Large-capacity oil shale dry distillation circular furnace with star-shaped arch-shaped gas distribution device |
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| CN106085483A true CN106085483A (en) | 2016-11-09 |
| CN106085483B CN106085483B (en) | 2021-12-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216898A (en) * | 2017-07-18 | 2017-09-29 | 洛阳建材建筑设计研究院有限公司 | A kind of oil shale swinging gas retort anoxybiotic sealing technology |
| CN107699264A (en) * | 2017-10-23 | 2018-02-16 | 东北电力大学 | A kind of powder shale gas solid HYBRID RETORTING technique |
| CN110330989A (en) * | 2019-07-25 | 2019-10-15 | 扬州三源机械有限公司 | A kind of efficient pyrocrack furnace body structure of domestic rubbish disposal |
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| CN107216898A (en) * | 2017-07-18 | 2017-09-29 | 洛阳建材建筑设计研究院有限公司 | A kind of oil shale swinging gas retort anoxybiotic sealing technology |
| CN107699264A (en) * | 2017-10-23 | 2018-02-16 | 东北电力大学 | A kind of powder shale gas solid HYBRID RETORTING technique |
| CN110330989A (en) * | 2019-07-25 | 2019-10-15 | 扬州三源机械有限公司 | A kind of efficient pyrocrack furnace body structure of domestic rubbish disposal |
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| Publication number | Publication date |
|---|---|
| CN106085483B (en) | 2021-12-28 |
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