CN106995710A - The method of fine coal dry thermal cracking integrated reactor and processing fine coal - Google Patents
The method of fine coal dry thermal cracking integrated reactor and processing fine coal Download PDFInfo
- Publication number
- CN106995710A CN106995710A CN201710380476.6A CN201710380476A CN106995710A CN 106995710 A CN106995710 A CN 106995710A CN 201710380476 A CN201710380476 A CN 201710380476A CN 106995710 A CN106995710 A CN 106995710A
- Authority
- CN
- China
- Prior art keywords
- fine coal
- dry
- coal
- chamber
- pyrolysis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C10B47/02—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion with stationary charge
-
- 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
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
- C10B57/10—Drying
Abstract
The invention discloses the method for fine coal dry thermal cracking integrated reactor and processing fine coal.Fine coal dry thermal cracking integrated reactor includes：Body, superposed drying chamber and the pyrolysis chamber positioned at bottom are defined in it, drying chamber is opened by baffle interval with pyrolysis chamber and connected by the xeraphium coal export being arranged on dividing plate, wherein, drying chamber has fine coal entrance, heating tube is provided with drying chamber, arrival end and the pyrolysis chamber of heating tube, the port of export of heating tube are in communication with the outside；Multiple radiant tubes are provided with pyrolysis chamber, pyrolysis chamber has semicoke outlet, and the side wall of pyrolysis chamber has the fuel inlet and exhanst gas outlet of connection radiant tube.Directly it is pyrolyzed after fine coal can be dried to processing using the fine coal dry thermal cracking integrated reactor, the hidden peril of explosion dried in fine coal transportation is excluded, while the sensible heat of pulverized coal pyrolysis gas is made full use of, so as to significantly reduce process energy consumption.
Description
Technical field
The present invention relates to derived energy chemical field, specifically, the present invention relates to fine coal dry thermal cracking integrated reactor and
The method for handling fine coal.
Background technology
Coal is one of conventional resource that proved reserves are enriched the most in the world, and China is used as coal maximum in the world to give birth to
Production and country of consumption, energy resource structure feature are rich coal, oil-poor, few gas.In coal resources in China structure, the higher low order of fugitive constituent
Coal occupies larger ratio again, and it is about 130,000,000,000 tons that wherein lignite, which verifies reserves, accounts for the whole nation and verifies reserves
12.69% or so, the low order such as jet coal, non caking coal and weakly caking coal is grade metamorphic bituminous, accounts for the 42.46% of coal reserves.Low-order coal
It is the product at incoalation initial stage, because having, the high and low ash of moisture, low-sulfur, lower calorific value, volatile matter are high, density is small, bad adhesion
The features such as with activity by force so that its comprehensive utilization is largely limited.The main Land use systems of existing low-order coal have：Directly
Connect combustion power generation, pyrolysis upgrading, direct liquefaction, gasification and Valuable Chemicals etc..Wherein, direct combustion power generation is that it is the most normal
One of Land use systems seen, according to incompletely statistics, the low-order coal that China there are about 90% are directly used in station boiler and various industry
Boiler.And lignite is low as the direct efficiency of combustion of power fuel, greenhouse gas emissions are high, seriously polluted, and waste coal
In the hydrocarbon rich resource that contains.
Widely used simultaneously as modernization coal mining is polytechnic so that the ratio of lump coal declines, the rise of fine coal yield (reaches
More than 60%).Inflammable and explosive during accumulation because of the easy airborne dust of fine coal, comprehensive utilization difficulty is big, causes its unmarketable and largely accumulates
Pressure.The pyrolysis of coal is one of important channel for efficiently utilizing of low-order coal cleaning, is coal under isolation air or inert atmosphere conditions
During continuous heating to higher temperature, the change of a series of physical of generation and chemically react, including in coal organic matter cracking, cracking
The volatilization of light components in product, cracks the polycondensation of residue, decomposition of the volatile matter product during effusion, chemical combination, polycondensation
The further decomposition of product, then the process such as polycondensation.It will pass through in coal gasification, liquefaction, coking and combustion process or occur heat
Solution preocess.
However, the means of existing processing fine coal still have much room for improvement.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is the method for proposing fine coal dry thermal cracking integrated reactor and handling fine coal.Using the fine coal dry thermal cracking one
Body reactor is directly pyrolyzed after fine coal can be dried to processing, excludes the blast dried in fine coal transportation hidden
Suffer from, while the sensible heat of pulverized coal pyrolysis gas is made full use of, so as to significantly reduce process energy consumption.
In the first aspect of the present invention, the present invention proposes a kind of fine coal dry thermal cracking integrated reactor.According to this hair
Bright embodiment, the fine coal dry thermal cracking integrated reactor includes：Superposed drying is defined in body, the body
Chamber and the pyrolysis chamber positioned at bottom, the drying chamber are opened and by being arranged on the pyrolysis chamber by baffle interval
The xeraphium coal export connection on dividing plate is stated, wherein, the drying chamber, which has in fine coal entrance, the drying chamber, to be provided with
Heating tube, the arrival end of the heating tube and the pyrolysis chamber, the port of export of the heating tube are in communication with the outside；It is described
Multiple radiant tubes are provided with pyrolysis chamber, the pyrolysis chamber has semicoke outlet, and the side wall of the pyrolysis chamber, which has, to be connected
Lead to the fuel inlet and exhanst gas outlet of the radiant tube.
Fine coal dry thermal cracking integrated reactor according to embodiments of the present invention by fine coal to be dried by being delivered to drying
It is pyrolyzed in chamber, to obtain drying fine coal and to produce dry flue gas, dries fine coal and be directly entered in pyrolysis chamber, utilize
The heat that radiant tube is produced is pyrolyzed, and obtains semicoke product and raw coke oven gas, and then high temperature raw coke oven gas can return to drying chamber
Treat dry fine coal in interior heating tube to be dried, thus, the fine coal dry thermal cracking integrated reactor can enter fine coal
Directly it is pyrolyzed after row drying process, excludes the hidden peril of explosion dried in fine coal transportation, while makes full use of fine coal heat
The sensible heat for the raw coke oven gas that solution is obtained is treated dry fine coal and is dried, so as to significantly reduce process energy consumption.
In addition, fine coal dry thermal cracking integrated reactor according to the above embodiment of the present invention can also have following add
Technical characteristic：
In some embodiments of the invention, the fine coal dry thermal cracking integrated reactor further comprises：Dry cigarette
Letter shoot, the drying chamber has dry gas outlet, the arrival end of the dry flue gas delivery pipe and the dry gas
Body outlet is connected, and the port of export of the dry flue gas delivery pipe passes through described body sidewall and extends to the xeraphium coal export
Lower section.Thus, it is possible to cloth be carried out to drying fine coal using the dry flue gas for fine coal being dried generation, so that after improving
The efficiency of continuous pyrolysis processing.
In some embodiments of the invention, the dividing plate is back taper metal partion (metp), and the xeraphium coal export is located at
The back taper metal partion (metp) bottom.
In some embodiments of the invention, the heating tube is bending tube.
In some embodiments of the invention, the volume of the pyrolysis chamber is 3~10 times of the drying chamber volume.
In some embodiments of the invention, in many on longitudinal direction of the multiple radiant tube in the pyrolysis chamber
Layer arrangement, and interlamellar spacing is 200~800mm between adjacent two layers, in every layer the spacing of two neighboring radiant tube for 200~
800mm。
In some embodiments of the invention, the fine coal dry thermal cracking integrated reactor further comprises：Charging leakage
Bucket；And feed auger, the feed auger is connected with the loading hopper and the fine coal entrance respectively.
In the second aspect of the present invention, the present invention proposes a kind of fine coal dry thermal cracking integration of use above-described embodiment
The method of reactor for treatment fine coal.Embodiments in accordance with the present invention, this method includes：Fine coal is delivered in drying chamber and carried out
Dry, to obtain drying fine coal and to produce dry flue gas；Enter the dry fine coal to be pyrolyzed in the pyrolysis chamber,
Just obtain semicoke and produce raw coke oven gas；The raw coke oven gas is set to enter in the heating tube being located in the drying chamber, for use in
The fine coal is dried.
Thus, the method for processing fine coal according to embodiments of the present invention is by the way that fine coal to be dried is delivered in drying chamber
It is pyrolyzed, to obtain drying fine coal and to produce dry flue gas, dries fine coal and be directly entered in pyrolysis chamber, utilize radiant tube
The heat of generation is pyrolyzed, and obtains semicoke product and raw coke oven gas, and then high temperature raw coke oven gas can return to adding in drying chamber
Treat dry fine coal in heat pipe to be dried, thus, this method is directly pyrolyzed after fine coal can be dried to processing, is arranged
Except the hidden peril of explosion dried in fine coal transportation, while making full use of the sensible heat for the raw coke oven gas that pulverized coal pyrolysis obtains to be dried
Fine coal is dried, so as to significantly reduce process energy consumption.
In addition, the method for processing fine coal according to the above embodiment of the present invention can also have technology additional as follows special
Levy：
In some embodiments of the invention, the dry flue gas produced in the drying chamber is conveyed by dry flue gas
Pipe is delivered to the lower section of the xeraphium coal export in the drying chamber, to carry out cloth to the dry fine coal.Thus, may be used
Further to improve the efficiency of follow-up pyrolysis processing.
In some embodiments of the invention, the temperature of the pyrolysis is 700~1000 degrees Celsius, the temperature of the raw coke oven gas
Spend for 680~1000 degrees Celsius.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of fine coal dry thermal cracking integrated reactor according to an embodiment of the invention；
Fig. 2 is the structural representation of the fine coal dry thermal cracking integrated reactor according to further embodiment of the present invention；
Fig. 3 is the method flow schematic diagram of processing fine coal according to an embodiment of the invention；
Fig. 4 is the method flow schematic diagram of the processing fine coal according to further embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " axle
To ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, be only for
It is easy to the description present invention and simplifies description, rather than indicates or imply that signified device or element there must be specific side
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, " multiple " are meant that at least two, such as two, three etc., unless otherwise clear and definite
It is specific to limit.
In the present invention, unless otherwise clearly defined and limited, term " connected ", " connection " etc. should be interpreted broadly,
For example, it may be fixedly connected or be detachably connected, or integrally；Can mechanically connect or be electrically connected
Connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two element internals connection or two members
The interaction relationship of part, unless otherwise clear and definite restriction.For the ordinary skill in the art, can be according to specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the first aspect of the present invention, the present invention proposes a kind of fine coal dry thermal cracking integrated reactor.According to this hair
Bright embodiment, with reference to Fig. 1~2, the fine coal dry thermal cracking integrated reactor includes：Defined in body 100, body 100
Superposed drying chamber 110 and the pyrolysis chamber 120 positioned at bottom, drying chamber 110 is with pyrolysis chamber 120 by dividing plate
130 are spaced apart and are connected by the xeraphium coal export being arranged on dividing plate 130, wherein, drying chamber 110 has fine coal entrance
102, heating tube 140 is provided with drying chamber 110, the arrival end of heating tube 140 is connected with pyrolysis chamber 120, heating tube 140
The port of export be in communication with the outside；Multiple radiant tubes 150 are provided with pyrolysis chamber 120, pyrolysis chamber tool 150 has semicoke outlet
103, the side wall of pyrolysis chamber 120 has the fuel inlet 151 and exhanst gas outlet 152 of connection radiant tube 150.
Fine coal dry thermal cracking integrated reactor according to embodiments of the present invention by fine coal to be dried by being delivered to drying
It is pyrolyzed in chamber, to obtain drying fine coal and to produce dry flue gas, dries fine coal and be directly entered in pyrolysis chamber, utilize
The heat that radiant tube is produced is pyrolyzed, and obtains semicoke product and raw coke oven gas, and then high temperature raw coke oven gas can return to drying chamber
Treat dry fine coal in interior heating tube to be dried, thus, the fine coal dry thermal cracking integrated reactor can enter fine coal
Directly it is pyrolyzed after row drying process, excludes the hidden peril of explosion dried in fine coal transportation, while makes full use of fine coal heat
The sensible heat for the raw coke oven gas that solution is obtained is treated dry fine coal and is dried, so as to significantly reduce process energy consumption.
According to a particular embodiment of the invention, dividing plate 130 can be back taper metal partion (metp), and xeraphium coal export
101 can be located at the bottom of back taper metal partion (metp) 130.Thus, fine coal completion to be dried can be under gravity after drying
The xeraphium coal export of dividing plate bottom is pooled to, and then falls into pyrolysis chamber.
According to a particular embodiment of the invention, heating tube 140 can with bending tube, in some embodiments of the invention, plus
Heat pipe 140 can be snakelike bending tube, thus, it is possible to heating tube and the contact area of fine coal to be dried are further improved, so that
Further improve drying efficiency.
According to a particular embodiment of the invention, the volume for being pyrolyzed chamber 120 can be 3~10 times of drying chamber 110,
In some embodiments of the present invention, the width of pyrolysis chamber is 2~5m, is highly 3~30m.
According to a particular embodiment of the invention, multiple radiant tubes 150 can be on the longitudinal direction in pyrolysis chamber 120
Interlamellar spacing can be 200~800mm between multi-tier arrangement, and adjacent two layers, and the spacing of two neighboring radiant tube 150 can in every layer
Think 200~800mm.According to the specific embodiment of the present invention, radiant tube can be using the specification of diameter DN100~350
Round tube.Thus, it is possible to the uniformity of pyrolysis chamber indoor temperature field further be improved, so as to further improve to drying fine coal heat
The efficiency of solution.
Embodiments in accordance with the present invention, the temperature of pyrolysis is not particularly restricted, and those skilled in the art can be according to reality
Border needs to be selected, according to a particular embodiment of the invention, and the temperature of pyrolysis can be 700~1000 degrees Celsius, thus, can
With the further efficiency for improving pyrolysis.
According to a particular embodiment of the invention, the temperature of raw coke oven gas is 680~1000 degrees Celsius, thus, it is possible to utilize famine
Effectively fine coal is dried for the sensible heat of coal gas.
With reference to Fig. 2, fine coal dry thermal cracking integrated reactor according to embodiments of the present invention further comprises：Dry flue gas
Delivery pipe 200, loading hopper 300 and feed auger 400.
Embodiments in accordance with the present invention, drying chamber 110 also has dry gas outlet 104, dry flue gas delivery pipe 200
Arrival end and dry gas outlet 104 be connected, the port of export of dry flue gas delivery pipe 200 passes through the side wall of body 100 and extended
To the lower section of xeraphium coal export 101.Thus, it is possible to be entered using the dry flue gas for fine coal being dried generation to drying fine coal
Row cloth, so as to improve the efficiency of follow-up pyrolysis processing.
Embodiments in accordance with the present invention, feed auger 400 is connected with loading hopper 300 and fine coal entrance 102 respectively, by
This, can be supplied to loading hopper 300 with pending fine coal, and be delivered to fine coal entrance 102 by feed auger 400, so as to enter
One step improves production efficiency.
Thus, fine coal dry thermal cracking integrated reactor according to embodiments of the present invention is by the way that fine coal to be dried is delivered to
It is pyrolyzed in drying chamber, to obtain drying fine coal and to produce dry flue gas, dries fine coal and be directly entered in pyrolysis chamber,
The heat produced using radiant tube is pyrolyzed, and obtains semicoke product and raw coke oven gas, and then high temperature raw coke oven gas can return to drying
Dry fine coal is treated in heating tube in chamber to be dried, and on the other hand, can also will dry the dry flue gas that fine coal is produced
Cloth is carried out for treating dry fine coal, with the efficiency of follow-up pyrolysis processing.Thus, the fine coal dry thermal cracking integrated reactor
Directly it is pyrolyzed after fine coal can be dried to processing, excludes the hidden peril of explosion dried in fine coal transportation, fill simultaneously
Divide the sensible heat of the raw coke oven gas obtained using pulverized coal pyrolysis to treat dry fine coal to be dried, so as to significantly reduce process energy consumption.
In the second aspect of the present invention, the present invention proposes a kind of fine coal dry thermal cracking integration of use above-described embodiment
The method of reactor for treatment fine coal.Embodiments in accordance with the present invention, this method includes：Fine coal is delivered in drying chamber and carried out
Dry, to obtain drying fine coal and to produce dry flue gas；Make to dry and be pyrolyzed in fine coal entrance pyrolysis chamber, just obtain half
Jiao simultaneously produces raw coke oven gas；Raw coke oven gas is entered in the heating tube being located in drying chamber, be dried for use in fine coal.
Method below with reference to Fig. 3~4 pair processing fine coal according to embodiments of the present invention is described in detail, according to this hair
Bright embodiment, this method includes：
S100：Dry
In the step, fine coal is delivered in drying chamber and is dried, to obtain drying fine coal and to produce dry cigarette
Gas.
Embodiments in accordance with the present invention, drying chamber is located at the top of fine coal dry thermal cracking integrated reactor, and dries
Opened and connected by the xeraphium coal export being arranged on dividing plate by baffle interval between chamber and pyrolysis chamber, in drying chamber
Heating tube is provided with, arrival end and the pyrolysis chamber of heating tube, the port of export of heating tube are in communication with the outside, added to utilize
Heat pipe provides heat for drying.
According to a particular embodiment of the invention, dividing plate can be back taper metal partion (metp), and xeraphium coal export can be with
Positioned at the bottom of back taper metal partion (metp).Thus, fine coal to be dried completes that after drying dividing plate can be pooled under gravity
The xeraphium coal export of bottom, and then fall into pyrolysis chamber.
According to a particular embodiment of the invention, heating tube can be with bending tube, in some embodiments of the invention, heating tube
Can be snakelike bending tube, thus, it is possible to heating tube and the contact area of fine coal to be dried further be improved, so as to further carry
High drying efficiency.
S200：Pyrolysis
In the step, make to dry fine coal and enter and be pyrolyzed in pyrolysis chamber, just obtain semicoke and produce raw coke oven gas.
Embodiments in accordance with the present invention, pyrolysis chamber is located at the bottom of fine coal dry thermal cracking integrated reactor, is pyrolyzed chamber
Interior is provided with multiple radiant tubes, using will pass through radiant tube as pyrolysis heat is provided.
According to a particular embodiment of the invention, the volume for being pyrolyzed chamber can be 3~10 times of drying chamber, in the present invention
Some embodiments in, pyrolysis chamber width be 2~5m, be highly 3~30m.
According to a particular embodiment of the invention, multiple radiant tubes can be in laminates on the longitudinal direction in pyrolysis chamber
Put, interlamellar spacing can be 200~800mm between adjacent two layers, in every layer two neighboring radiation tube pitch can for 200~
800mm.According to the specific embodiment of the present invention, radiant tube can using the specification of diameter DN100~350 round tube.By
This, can further improve the uniformity of pyrolysis chamber indoor temperature field, so as to further improve the efficiency to drying pulverized coal pyrolysis.
Embodiments in accordance with the present invention, the temperature of pyrolysis is not particularly restricted, and those skilled in the art can be according to reality
Border needs to be selected, according to a particular embodiment of the invention, and the temperature of pyrolysis can be 700~1000 degrees Celsius, thus, can
With the further efficiency for improving pyrolysis.
S300：Return to raw coke oven gas
In the step, raw coke oven gas is entered in the heating tube being located in drying chamber, be dried for use in fine coal.
According to a particular embodiment of the invention, the temperature of raw coke oven gas is 680~1000 degrees Celsius, thus, it is possible to utilize famine
Effectively fine coal is dried for the sensible heat of coal gas.
S400：Cloth is carried out using dry flue gas
Embodiments in accordance with the present invention, the dry flue gas produced in drying chamber is delivered to by dry flue gas delivery pipe
Below xeraphium coal export in drying chamber, to carry out cloth to drying fine coal, so as to improve the effect of follow-up pyrolysis processing
Rate.
Thus, the method for processing fine coal according to embodiments of the present invention is by the way that fine coal to be dried is delivered in drying chamber
It is pyrolyzed, to obtain drying fine coal and to produce dry flue gas, dries fine coal and be directly entered in pyrolysis chamber, utilize radiant tube
The heat of generation is pyrolyzed, and obtains semicoke product and raw coke oven gas, and then high temperature raw coke oven gas can return to adding in drying chamber
Dry fine coal is treated in heat pipe to be dried, and on the other hand, the dry flue gas for drying fine coal generation can also be used to treat dry
Dry fine coal carries out cloth, with the efficiency of follow-up pyrolysis processing.Thus, this method is directly entered after fine coal can be dried to processing
Row pyrolysis, excludes the hidden peril of explosion dried in fine coal transportation, while making full use of the aobvious of the raw coke oven gas that pulverized coal pyrolysis obtains
Heat is treated dry fine coal and is dried, so as to significantly reduce process energy consumption.
Below with reference to specific embodiment, present invention is described, it is necessary to which explanation, these embodiments are only description
Property, without limiting the present invention in any way.
Embodiment
Below particle diameter 3mm Inner Mongol lignite is sent into drying chamber in loading hopper through feed auger, coal charge is in drying
Chamber is dried by the high temperature raw coke oven gas in heating tube, and enters pyrolysis chamber through xeraphium coal export, dries what is produced
Dry flue gas is returned as the cloth gas for drying fine coal through dry flue gas delivery pipe.Heat accumulating type radiation is evenly arranged in pyrolysis chamber
Pipe, tube wall temperature is controlled at 900 DEG C using gas control valve, and fine coal is stopped 0.1 second~10 minutes from top to bottom in the reactor,
And it is heated to 900 DEG C, fine coal completes pyrolysis in pyrolysis chamber, and the raw coke oven gas that pyrolysis is produced is delivered to it after being dried to coal charge
His unit, is pyrolyzed the semicoke produced through semicoke outlet discharge pyrolysis chamber.Wherein, the Industrial Analysis of the pending lignite such as institute of table 1
Show, the composition of thermal decomposition product is as shown in table 2.
The pending lignite Industrial Analysis/wt% of table 1
| Mad | Vad | Aad | Fcad |
| 13.29 | 27.21 | 15.82 | 43.68 |
The thermal decomposition product composition of table 2/wt%
| Semicoke | It is pyrolyzed oil gas | It is pyrolyzed water |
| 56.03 | 41.72 | 2.25 |
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of fine coal dry thermal cracking integrated reactor, it is characterised in that the reactor includes：
Superposed drying chamber and the pyrolysis chamber positioned at bottom, the drying chamber are defined in body, the body
Opened and connected by the xeraphium coal export being arranged on the dividing plate by baffle interval with the pyrolysis chamber,
Wherein, the drying chamber, which has, is provided with heating tube, the entrance of the heating tube in fine coal entrance, the drying chamber
End and the pyrolysis chamber, the port of export of the heating tube are in communication with the outside；
Multiple radiant tubes are provided with the pyrolysis chamber, the pyrolysis chamber has semicoke outlet, the side of the pyrolysis chamber
Wall has the fuel inlet and exhanst gas outlet for connecting the radiant tube.
2. fine coal dry thermal cracking integrated reactor according to claim 1, it is characterised in that further comprise：
Dry flue gas delivery pipe, the drying chamber has a dry gas outlet, the arrival end of the dry flue gas delivery pipe with
The dry gas outlet is connected, and the port of export of the dry flue gas delivery pipe passes through described body sidewall and extended to described dry
The lower section of dry fine coal outlet.
3. fine coal dry thermal cracking integrated reactor according to claim 1, it is characterised in that the dividing plate is back taper
Metal partion (metp), the xeraphium coal export is located at the back taper metal partion (metp) bottom.
4. fine coal dry thermal cracking integrated reactor according to claim 1, it is characterised in that the heating tube is bending
Pipe.
5. fine coal dry thermal cracking integrated reactor according to claim 1, it is characterised in that the body of the pyrolysis chamber
Product is 3~10 times of the drying chamber volume.
6. fine coal dry thermal cracking integrated reactor according to claim 1, it is characterised in that the multiple radiant tube exists
Be on longitudinal direction in the pyrolysis chamber between multi-tier arrangement, and adjacent two layers interlamellar spacing be 200~800mm, in every layer
The spacing of two neighboring radiant tube is 200~800mm.
7. fine coal dry thermal cracking integrated reactor according to claim 1, it is characterised in that further comprise：
Loading hopper；And
Feed auger, the feed auger is connected with the loading hopper and the fine coal entrance respectively.
8. the method that a kind of any one of use claim 1~7 fine coal dry thermal cracking integrated reactor handles fine coal, bag
Include：
Fine coal is delivered in drying chamber and is dried, to obtain drying fine coal and to produce dry flue gas；
Enter the dry fine coal to be pyrolyzed in the pyrolysis chamber, to obtain semicoke and to produce raw coke oven gas；
The raw coke oven gas is entered in the heating tube being located in the drying chamber, be dried for use in the fine coal.
9. method according to claim 8, it is characterised in that pass through the dry flue gas produced in the drying chamber dry
Dry flue gas delivery pipe is delivered to the lower section of the xeraphium coal export in the drying chamber, to carry out cloth to the dry fine coal
Material.
10. method according to claim 8, it is characterised in that the temperature of the pyrolysis is 700~1000 degrees Celsius, institute
The temperature for stating raw coke oven gas is 680~1000 degrees Celsius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380476.6A CN106995710A (en) | 2017-05-25 | 2017-05-25 | The method of fine coal dry thermal cracking integrated reactor and processing fine coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710380476.6A CN106995710A (en) | 2017-05-25 | 2017-05-25 | The method of fine coal dry thermal cracking integrated reactor and processing fine coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106995710A true CN106995710A (en) | 2017-08-01 |
Family
ID=59436266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710380476.6A Pending CN106995710A (en) | 2017-05-25 | 2017-05-25 | The method of fine coal dry thermal cracking integrated reactor and processing fine coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106995710A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883851A (en) * | 2021-08-31 | 2022-01-04 | 内蒙古万众炜业科技环保股份公司 | Drying device for energy-saving production of semi-coke and process thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1215273A2 (en) * | 2000-12-14 | 2002-06-19 | Takeji Motai | Artificial charcoal and methods for making thereof |
| KR20030015851A (en) * | 2001-08-15 | 2003-02-25 | 가와테츠 마시나리 가부시키가이샤 | Dry distillation incinerator |
| CN201292346Y (en) * | 2008-10-27 | 2009-08-19 | 合肥天焱绿色能源开发有限公司 | Vertical combined gasification furnace for solid biomass |
| CN202297141U (en) * | 2011-08-08 | 2012-07-04 | 北京国电富通科技发展有限责任公司 | Carbonization and activation integrated furnace |
| CN105062527A (en) * | 2015-08-12 | 2015-11-18 | 西安有色冶金设计研究院 | Powdered coal microwave pyrolysis and retorting furnace |
| CN205774328U (en) * | 2016-05-26 | 2016-12-07 | 北京神雾环境能源科技集团股份有限公司 | Fine coal fast pyrolysis systems |
| CN206887025U (en) * | 2017-05-25 | 2018-01-16 | 北京神雾电力科技有限公司 | Fine coal dry thermal cracking integrated reactor |
-
2017
- 2017-05-25 CN CN201710380476.6A patent/CN106995710A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1215273A2 (en) * | 2000-12-14 | 2002-06-19 | Takeji Motai | Artificial charcoal and methods for making thereof |
| KR20030015851A (en) * | 2001-08-15 | 2003-02-25 | 가와테츠 마시나리 가부시키가이샤 | Dry distillation incinerator |
| CN201292346Y (en) * | 2008-10-27 | 2009-08-19 | 合肥天焱绿色能源开发有限公司 | Vertical combined gasification furnace for solid biomass |
| CN202297141U (en) * | 2011-08-08 | 2012-07-04 | 北京国电富通科技发展有限责任公司 | Carbonization and activation integrated furnace |
| CN105062527A (en) * | 2015-08-12 | 2015-11-18 | 西安有色冶金设计研究院 | Powdered coal microwave pyrolysis and retorting furnace |
| CN205774328U (en) * | 2016-05-26 | 2016-12-07 | 北京神雾环境能源科技集团股份有限公司 | Fine coal fast pyrolysis systems |
| CN206887025U (en) * | 2017-05-25 | 2018-01-16 | 北京神雾电力科技有限公司 | Fine coal dry thermal cracking integrated reactor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883851A (en) * | 2021-08-31 | 2022-01-04 | 内蒙古万众炜业科技环保股份公司 | Drying device for energy-saving production of semi-coke and process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106987281A (en) | The method of pulverized coal pyrolysis gasification integrated reactor and processing fine coal | |
| CN101942313B (en) | Huadian type process and device for dry distillation of oil shale | |
| CN104017591B (en) | A kind of agricultural-forestry biomass continuous pyrolysis carbonizing apparatus | |
| CN101649214B (en) | Externally-fired oil shale distillation process and device | |
| CN105567267B (en) | The system and method for pyrolyzing coal | |
| CN101792675A (en) | Coke oven and coking process method | |
| CN107892932A (en) | A kind of technology with circulating gas destructive distillation low-order coal | |
| CN105861080B (en) | The method of biomass down-flow fluidized bed using ECT quick catalysis pyrolysis system and pyrolysis biomass | |
| CN103980925A (en) | Pyrolysis furnace and treatment process for treating waste tire | |
| CN102827619A (en) | Integrated gas retort | |
| CN206887025U (en) | Fine coal dry thermal cracking integrated reactor | |
| CN106995710A (en) | The method of fine coal dry thermal cracking integrated reactor and processing fine coal | |
| CN106698421A (en) | System and method for preparing activated carbon by energy cyclic utilization of waste tires | |
| CN208121013U (en) | A kind of horizontal moving bed biomass pyrogenation gasification equipment of multistage subsection formula | |
| CN203048874U (en) | All-in-one destructive distillation furnace | |
| CN105925286A (en) | Quick powdered coal pyrolysis device | |
| CN105802648B (en) | Fine coal fast pyrolysis systems | |
| CN111433327A (en) | Process and reactor for continuous production of charcoal | |
| CN105567277B (en) | It is pyrolyzed the system and method for oil shale | |
| CN205635488U (en) | Oil shale pyrolysis system | |
| CN106433723A (en) | Heat accumulation type block-shaped oil shale pyrolysis treatment system and method | |
| CN207659390U (en) | A kind of system of pyrolysis of coal and fluidisation gas coupling processed | |
| CN105925285A (en) | Quick powdered coal pyrolysis device | |
| CN106838917A (en) | The anoxybiotic pyrolysis treatment systems and method of a kind of rubbish | |
| CN206887041U (en) | Pulverized coal pyrolysis gasification integrated reactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170801 |
|
| WD01 | Invention patent application deemed withdrawn after publication |