CN207811674U - A kind of three-stage pulverized coal pyrolysis processing system - Google Patents
A kind of three-stage pulverized coal pyrolysis processing system Download PDFInfo
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- CN207811674U CN207811674U CN201721815689.9U CN201721815689U CN207811674U CN 207811674 U CN207811674 U CN 207811674U CN 201721815689 U CN201721815689 U CN 201721815689U CN 207811674 U CN207811674 U CN 207811674U
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Abstract
The utility model is related to a kind of three-stage pulverized coal pyrolysis processing systems, including：Riser arrangement, long flame raw material bucket, pyrolysis reactor, waste-heat recovery device, raw coke oven gas purifier and air accumulator are dried, wherein：The pyrolysis reactor is divided into high temperature pyrolysis section, middle low temperature pyrogenation section and waste heat recovery section, the drying riser arrangement is by the raw material bucket by jet coal, lignite enters the high temperature pyrolysis section and middle low temperature pyrogenation section carries out segmentation pyrolysis processing, the pyrolysis gas that the high temperature pyrolysis section generates enters the air accumulator through the waste-heat recovery device, the pyrolysis gas that the middle low temperature pyrogenation section generates enters the raw coke oven gas purifier, realize the integrated treatment to jet coal and lignite, realize the cascade utilization to the high value resource in coal, and the high temperature sensible heat of pyrolysis char is made full use of, improve system effectiveness.
Description
Technical field
The utility model belongs to the pyrolysis processing of the Organic Ingredients in chemical industry, and in particular at a kind of three-stage pulverized coal pyrolysis
Reason system.
Background technology
Coal resources in China is very abundant, but the reserves such as the low-order coal in coal such as jet coal and lignite account for national coal
More than half of processing is continuously improved with the mechanization degree of production technique, and the low-order coal of powdery is more and more.Powdery low order
Coal directly burning not only wastes the abundant petroleum resources of coal, but also generates larger pollution.It is realized by method for pyrolysis low
The sub-prime cascade utilization of rank coal is the technology that national 13 emphasis are encouraged.For pulverized coal pyrolysis, current major pyrolytic technique
Including external Tscoal techniques, fluidized-bed process and the DG of country methods and rotary kiln reactor etc., from the point of view of in system flow,
Carry out pyrolysis processing both for a kind of single coal such as lignite or jet coal, and lignite yield oily in pyrolytic process compared with
Low, economy is poor, and it is larger to consume energy in the jet coal pyrolytic process of high oil-containing, of high cost.
Utility model content
The utility model in view of the deficiencies of the prior art, in conjunction with the characteristics of lignite pyrolysis and long flame pyrolysis of coal, develops one
Kind of three-stage pulverized coal pyrolysis processing system, takes single reaction process, simply and easily realizes very much to jet coal and lignite
Integrated treatment, the oily resource being fully extracted in combustion gas resource and the jet coal in lignite are realized and are provided to the high value in coal
The cascade utilization in source, and the high temperature sensible heat of pyrolysis char is made full use of, improve system effectiveness.
In order to solve the above technical problems, the technical solution that the utility model is taken is：
The utility model proposes a kind of three-stage pulverized coal pyrolysis processing systems, including：Dry riser arrangement, raw material
Bucket, pyrolysis reactor, waste-heat recovery device, raw coke oven gas purifier and air accumulator, wherein：
The pyrolysis reactor is divided into high temperature pyrolysis section, middle low temperature pyrogenation section and waste heat recovery section, wherein the high warm
It solving section and is equipped with material collecting device and Multi-layer warming device, wherein the material collecting device is set to the lower section of the Multi-layer warming device,
The high-temperature semi-coke generated for collecting pyrolysis；It is equipped with the cloth cone of Multi-layer staggered arrangement, every layer of institute in the middle low temperature pyrogenation section
It is multiple to state cloth cone to include；The waste heat recovery section is equipped with heat-exchanger rig；
The drying riser arrangement send lignite, jet coal respectively to the raw material bucket, is distinguished by the raw material bucket
Into the high temperature pyrolysis section and middle low temperature pyrogenation section；
Described waste-heat recovery device one end is connect with the high temperature pyrolysis section, and the other end is connect with the air accumulator, described
Raw coke oven gas purifier one end is connected with the middle low temperature pyrogenation section, and the other end is connect with the air accumulator；The waste heat recovery
The pyrolysis pneumatic transmission that device and raw coke oven gas purifier respectively generate the high temperature pyrolysis section, middle low temperature pyrogenation section is to the gas storage
Tank.
Further, the range scale of the high temperature pyrolysis section, middle low temperature pyrogenation section and waste heat recovery section vertical length is
3:2:1-5:3:1。
Further, the pyrolysis reactor includes furnace body, the furnace body be divided into from top to bottom high temperature pyrolysis section, in
Low temperature pyrogenation section and waste heat recovery section, the furnace body include：First charging aperture, epimere pyrolysis gas outlet, hypomere pyrolysis gas outlet
With cold burnt discharge port, wherein the first charging aperture is set to the top of the furnace body, and the epimere pyrolysis gas outlet is set to
The side of the furnace body and the downside for being located at the high temperature pyrolysis section, the hypomere pyrolysis gas outlet are set to the side of the furnace body
Portion and the downside for being located at the middle low temperature pyrogenation section, the cold burnt discharge port are set to the bottom of the furnace body.
Further, the three-stage pulverized coal pyrolysis processing system further includes coke bin, the coke bin and the cold burnt discharging
Mouth connection.
Further, the heating device includes fuel gas inlet, air intlet and exhanst gas outlet, and the heat-exchanger rig includes
Hot air outlet and inlet of cold air, wherein the air intlet of the hot air outlet of the heat-exchanger rig and the heating device
It is connected, the cooling medium after heat exchange is entered into the heating device as fuel foldback.
Further, the material collecting device is broach hopper, and bottom is exported equipped with batch mixing, and side, which is equipped with, runs through the stove
The second charging aperture of body, room temperature material are mixed into the broach hopper with the high-temperature semi-coke by the second charging aperture,
It falls on the cloth cone and carries out being sufficiently mixed contact pyrolysis, obtain mixing semicoke.
Further, the drying riser arrangement includes jet coal drying riser, lignite drying riser, the original
Hopper includes jet coal raw material bucket, lignite raw material bucket, and the exhanst gas outlet is carried with jet coal drying riser, lignite drying
Riser, lignite raw material bucket are linked in sequence successively；The lignite raw material bucket is connect with the first charging aperture；The jet coal raw material
Bucket one end is connect with the second charging aperture, and the other end is connect with jet coal drying riser.
Further, the number of plies of the heating device is 10-30 layers, and every layer of heating device includes multiple heating dresses
It sets；The heating device is heat accumulation type radiant tube, and 1000 DEG C or more of flue gas is generated in the heating device.
Further, the number of plies of cloth cone is 8-20 layer, and the spacing per adjacent two layers is 100-400mm, in every layer
The spacing of two neighboring cloth cone is 50-300mm；The positive triangular pyramid that the cloth cone is a length of 50-200mm of rib.
Further, the cooling medium is cold air, and 300-400 DEG C is warming up to by external after the cold air heat exchange
Connecting tube enter epimere high temperature pyrolysis area heating device in fuel gas buring, mixing semicoke temperature after heat exchange
By being arranged outside belt feeder after being down to 60 DEG C.
The beneficial effects of the utility model include at least：
1）Three-stage pulverized coal pyrolysis processing system described in the utility model is simple in structure, takes three-stage pyrolytic reaction,
Different products is obtained, realizes the utmostly utilization to material；
2）Single reaction process is taken, the integrated treatment to jet coal and lignite is simply and easily realized very much, fully carries
The oily resource in combustion gas resource and the jet coal in lignite has been taken, has realized the cascade utilization to the high value resource in coal, and
The high temperature sensible heat of pyrolysis char is made full use of, system effectiveness is improved.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Wherein, furnace body 1, first charging aperture 101, epimere pyrolysis gas outlet 102, hypomere pyrolysis gas outlet 103, cold burnt discharging
Mouthfuls 104, heating device 2, air intlet 201, fuel gas inlet 202, exhanst gas outlet 203, material collecting device 3, batch mixing outlet 301, the
Two feed inlets 302, cloth cone 4, heat-exchanger rig 5, external connecting tube 6, high temperature pyrolysis section 7, middle low temperature pyrogenation section 8, waste heat recovery
Section 9, lignite raw material bucket 10, jet coal raw material bucket 11, lignite drying riser 12, jet coal drying riser 13, waste heat recovery
Device 14, raw coke oven gas purifier 15, coke bin 16, air accumulator 17.
Specific implementation mode
In order to enable those skilled in the art to better understand the technical solutions of the present invention, below in conjunction with specific implementation
The utility model is described in further detail for example.The embodiments described below is exemplary, and is only used for explaining this practicality
It is novel, and should not be understood as limiting the present invention.Particular technique or condition are not specified in embodiment, according to this field
Technology or condition described in interior document are carried out according to product description.
Embodiment according to the present utility model, FIG. 1 is a schematic structural view of the utility model, shown referring to Fig.1, this practicality is new
Three-stage pulverized coal pyrolysis processing system described in type, including：Dry riser arrangement, jet coal raw material bucket 11, lignite raw material bucket 12,
Pyrolysis reactor, waste-heat recovery device 14, raw coke oven gas purifier 15 and air accumulator 17, wherein：
The pyrolysis reactor includes furnace body 1, the inner cavity of the furnace body 1 be divided into from top to bottom high temperature pyrolysis section 7, in
Low temperature pyrogenation section 8 and waste heat recovery section 9, wherein the high temperature pyrolysis section 7 is equipped with material collecting device 3 and Multi-layer warming device 2,
In, the material collecting device 3 is set to the lower section of the Multi-layer warming device 2, the high-temperature semi-coke generated for collecting pyrolysis；Institute
Cloth cone 4 of the middle low temperature pyrogenation section 8 equipped with Multi-layer staggered arrangement is stated, every layer of cloth cone includes multiple cloth cones 4；It is described remaining
Heat-recovery section 9 is equipped with heat-exchanger rig 5.
The drying riser arrangement includes jet coal drying riser 13 and lignite drying riser 12, the jet coal
Drying riser 13 and lignite drying riser 12 are respectively sent lignite, jet coal respectively to the lignite raw material bucket 10, long flame
Coal raw material bucket 11 respectively enters the high temperature pyrolysis section 7 and middle low temperature by the lignite raw material bucket 10, jet coal raw material bucket 11
Pyrolysis section 8；
14 one end of the waste-heat recovery device is connect with the high temperature pyrolysis section 7, and the other end is connect with the air accumulator 17,
Described 15 one end of raw coke oven gas purifier is connected with the middle low temperature pyrogenation section 8, and the other end is connect with the air accumulator 17；It is described
The pyrolysis that waste-heat recovery device 14 and raw coke oven gas purifier 15 respectively generate the high temperature pyrolysis section 7, middle low temperature pyrogenation section 8
Pneumatic transmission is to the air accumulator 17.
Embodiment according to the present utility model, shown referring to Fig.1, the inner cavity of furnace body described in the utility model is along short transverse
It is divided into high temperature pyrolysis section 7, middle low temperature pyrogenation section 8 and waste heat recovery section 9, wherein the high temperature pyrolysis section 7, middle Low Temperature Thermal
The vertical length ratio for solving section 8 and waste heat recovery section 9 is 3:2:1-5:3:1.
Embodiment according to the present utility model, shown referring to Fig.1, furnace body 1 described in the utility model includes：First charging aperture
101, epimere pyrolysis gas outlet 102, hypomere pyrolysis gas outlet 103 and cold burnt discharge port 104, wherein the first charging aperture 101
It is set to the top of the furnace body 1, the epimere pyrolysis gas outlet 102 is set to the side of the furnace body 1 and is located at the height
The downside of warm pyrolysis section 7, the hypomere pyrolysis gas outlet 103 are set to the side of the furnace body 1 and are located at the middle Low Temperature Thermal
The downside of section 8 is solved, the cold burnt discharge port 104 is set to the bottom of the furnace body 1.
Embodiment according to the present utility model, shown referring to Fig.1, heating device described in the utility model multilayer is set to institute
High temperature pyrolysis section is stated, every layer of heating device includes multiple heating devices, it is preferred that heating device described in the utility model
The number of plies is 10-30 layers.
Some embodiments according to the present utility model, heating device described in the utility model are heat accumulation type radiant tube, reference
Shown in Fig. 1, including：Air intlet, fuel gas inlet and exhanst gas outlet through the furnace body, through the air intlet and combustion gas into
Mouth each leads into air and fuel gas buring to the heat accumulation type radiant tube, generates 1000 DEG C or more of flue gas, passes through the accumulation of heat
Formula radiant tube carries out indirectly heat to the material in the high temperature pyrolysis section.
Embodiment according to the present utility model, shown referring to Fig.1, material collecting device described in the utility model is set to the height
Warm pyrolysis section and the lower section for being located at the heat accumulation type radiant tube, the material collecting device are preferably broach hopper, and bottom is equipped with mixed
Material outlet, side are equipped with the second charging aperture through the furnace body, and first charging aperture of the material through the furnace body is sent into the height
Warm pyrolysis section is pyrolyzed, and the high-temperature semi-coke of generation is fallen into the broach hopper, then by the second charging aperture to described
It is sent into room temperature material in broach hopper to mix with the high-temperature semi-coke, is fallen on the cloth cone and is filled by its own gravity
Divide to be mixed and conduct heat and be pyrolyzed, obtains mixing semicoke.
Embodiment according to the present utility model, referring to Fig.1 shown in, described in the utility model multilayer cloth cone shift to install in
The middle low temperature pyrogenation section, every layer of cloth cone include multiple cloth cones.
The number of plies of some embodiments according to the present utility model, the cloth cone is 8-20 layers, the spacing per adjacent two layers
For 100-400mm, the spacing of two neighboring cloth cone is 50-300mm in every layer；The cloth cone is a length of 50-200mm of rib
Positive triangular pyramid, material be ceramics or heat resisting steel.
Embodiment according to the present utility model, shown referring to Fig.1, heat-exchanger rig described in the utility model is set to described remaining
Heat-recovery section, the heat-exchanger rig include inlet of cold air and hot air outlet, and the hot air outlet of the heat-exchanger rig passes through
The external connecting tube is connected with the air intake of the heating device；Some embodiments according to the present utility model, this practicality
The novel heat-exchanger rig is preferably heat exchanger tube, and the cooling medium is cold air.
Embodiment according to the present utility model, shown referring to Fig.1, external connecting tube described in the utility model is set to described
Outside furnace body, and the both ends of the external connecting tube are empty with the heat of the air intake of the heating device and the heat-exchanger rig respectively
Gas outlet is connected, and be warming up to 300-400 DEG C after the cold air heat exchange enters the high temperature pyrolysis by the external connecting tube
By being arranged outside belt feeder after 60 DEG C being down in the heating device of section with fuel gas buring, mixing semicoke temperature after heat exchange.
In specific embodiment of the utility model, lignite and long flame in the lignite raw material bucket, jet coal raw material bucket
Coal enters the high temperature pyrolysis section, middle low temperature pyrogenation section by the first charging aperture, second charging aperture respectively, and lignite is described
In high temperature pyrolysis section, the radiant tube for being 1000 DEG C or more with surface temperature contacts and relies on gravity fall, is produced in dropping process
Raw a large amount of pyrolysis gas and high-temperature semi-coke, and tar fully cracks at high temperature, wherein the temperature of pyrolysis gas is 650-850 DEG C, heat
The temperature for solving semicoke is 500-750 DEG C；
High temperature pyrolysis gas are discharged into the waste-heat recovery device from the epimere pyrolysis gas outlet, in the waste heat recovery
In device, pyrolysis gas temperature is reduced to 120 DEG C hereinafter, into the air accumulator, is supplied as outside unstripped gas；
Low temperature pyrogenation section enters the middle low temperature pyrogenation section with by the second charging aperture during the pyrolysis char enters
Jet coal tentatively mixed, and by the gusset cone distribution realize adequately heating, make jet coal in heat
The middle low temperature pyrogenation temperature range for solving 500-600 DEG C of temperature generates a large amount of oil gas, and is sent into through the hypomere pyrolysis gas outlet
The raw coke oven gas purifier recycles a large amount of coal tar and pyrolysis gas, and coal tar is discharged directly as product, and pyrolysis gas
It send to the air accumulator and is supplied as outside unstripped gas；
After lignite semi-coke and biomass semicoke are sufficiently mixed, mixing semicoke is obtained, temperature is 400-550 DEG C, by described
Waste heat recovery section, is preheated to normal temperature air the heating tube sent after 300-400 DEG C to high temperature pyrolysis section, and semicoke be down to 60 DEG C with
It is directly sent to the coke bin by the cold burnt discharge port after lower.
Specific embodiment according to the present utility model, the flue-gas temperature come out from the high temperature pyrolysis section are 350-400 DEG C,
Exhanst gas outlet through the heat-exchanger rig, which enters jet coal drying riser, dries jet coal, from the length
The flue-gas temperature of flame coal drying riser, which is sent after being down to 250-350 DEG C again to lignite drying riser, dries lignite
It is dry, to ensure to require temperature relatively low in lignite drying course, ensure to be not easy to catch fire and generate safe hidden in lignite drying course
Suffer from.
Some embodiments according to the present utility model, three-stage coal dust described in the utility model and biomass pyrolytic reaction system
The operation principle of system is：Lignite enters the lignite hopper after lignite drying riser drying is promoted, at this point, coming from
The flue-gas temperature of high temperature pyrolysis section is 350-400 DEG C after heat exchange；The raw material of the lignite hopper passes through the first charging aperture
Lignite is sent into the high temperature pyrolysis section, by heat accumulation type radiant tube indirectly heat, pyrolysis temperature control is 800-1100 DEG C, object
Material is fallen in the high temperature pyrolysis section by its own gravity, and pyrolytic reaction is concurrently given birth to, and the organic matter in material largely releases
Come generate temperature be 600-800 DEG C pyrolysis gas and high-temperature semi-coke, the pyrolysis gas from the epimere pyrolysis gas outlet be discharged into
Enter the waste-heat recovery device, the temperature of pyrolysis gas described in the waste-heat recovery device be down to 120 DEG C hereinafter, simultaneously finally into
Enter the air accumulator, is supplied as outside unstripped gas；And the high-temperature semi-coke that the temperature generated is 600-850 DEG C passes through the broach hopper
Collected, mixed with the high-temperature semi-coke at this point, being passed through jet coal to the broach hopper again by the second charging aperture,
The middle low temperature pyrogenation section is fallen to by its own gravity, is bored by the cloth, the high-temperature semi-coke and the room temperature long flame
Coal is sufficiently mixed contact, and realizes fully heating by triangle cloth cone, makes jet coal in 450-600 DEG C of pyrolysis temperature
Middle low temperature pyrogenation temperature range generates a large amount of pyrolysis gas and mixing semicoke, and the pyrolysis gas eventually enters into the raw coke oven gas purification
Device eventually enters into the air accumulator and is supplied as outside unstripped gas.
The mixing semicoke falls to the waste heat recovery section, is exchanged heat by the heat exchanger tube, to the mixing half
Burnt further to carry out waste heat recovery, more specifically, the entrance through the heat exchanger tube is passed through cold air and exchanges heat, the cold air
It is warming up to after heat exchange in the heating device that 300-400 DEG C enters the high temperature pyrolysis section by the external connecting tube and is fired with combustion gas
It burns, makes full use of heat, the consumption of high temperature pyrolysis section combustion gas is saved, after mixing semicoke temperature after heat exchange is down to 60 DEG C
Through cold burnt discharge port by being arranged outside belt feeder.
Some embodiments according to the present utility model, the utility model take the pyrolysis of high temperature pyrolysis section can be in raw material
Volatile matter is extracted to the greatest extent, and by Pintsch process, and the oil vapour generated in raw material is cracked into combustion gas, can generate
A large amount of high-grade fuel gas or unstripped gas, and the pyrolysis that oily yield very high temperature can be obtained by the pyrolysis of middle low temperature pyrogenation section is produced
Object, realization make full use of raw material and heat, and are fully recycled to the heat for mixing semicoke using waste heat recovery section, by waste heat
Exhausting section it is mixed heat after hot-air, by the external connecting tube enter the high temperature pyrolysis section heating device in combustion gas
Burning makes full use of heat, saves the consumption of high temperature pyrolysis section combustion gas, to improve energy utilization efficiency, reduces production cost.
Inventor has found, simple in structure according to three-stage pulverized coal pyrolysis reaction system described in the utility model, takes three
Segmentation pyrolytic reaction obtains different products, realizes the utmostly utilization to material；Meanwhile the utility model utilizes high temperature
The heat carrier for pyrolysis high-temperature semi-coke low temperature pyrogenation section as in that pyrolysis section generates realizes the segmentation pyrolysis to carbonaceous organic material
It utilizes, and the waste heat of high-temperature semi-coke is fully recycled, making full use of for energy is realized, to reduce the energy in pyrolytic process
Consumption, and realize the simplification of technique, moreover, it is achieved that the integrated treatment to jet coal and lignite, the combustion being fully extracted in lignite
Oily resource in gas resource and jet coal realizes the cascade utilization to the high value resource in coal, and to the height of pyrolysis char
Warm sensible heat is made full use of, and system effectiveness is improved.
In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term "upper", "lower"
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot manage
Solution is limitations of the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.In addition, without conflicting with each other, this field
Technical staff can carry out the feature of different embodiments or examples described in this specification and different embodiments or examples
In conjunction with and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments, meanwhile, for those of ordinary skill in the art, foundation
The thought of the application, there will be changes in the specific implementation manner and application range.
Claims (10)
1. a kind of three-stage pulverized coal pyrolysis processing system, including：Riser arrangement, raw material bucket, pyrolysis reactor, waste heat is dried to return
Receiving apparatus, raw coke oven gas purifier and air accumulator, wherein：The pyrolysis reactor is divided into high temperature pyrolysis section, middle low temperature pyrogenation section
With waste heat recovery section, wherein the high temperature pyrolysis section is equipped with material collecting device and Multi-layer warming device, wherein the material collecting device
It is set to the lower section of the Multi-layer warming device, the high-temperature semi-coke generated for collecting pyrolysis；It is set in the middle low temperature pyrogenation section
There is the cloth cone that Multi-layer staggered is arranged, every layer of cloth cone is including being multiple；The waste heat recovery section is equipped with heat-exchanger rig；
The drying riser arrangement send lignite, jet coal respectively to the raw material bucket, is respectively enterd by the raw material bucket
The high temperature pyrolysis section and middle low temperature pyrogenation section；Described waste-heat recovery device one end is connect with the high temperature pyrolysis section, the other end
It is connect with the air accumulator, raw coke oven gas purifier one end is connected with the middle low temperature pyrogenation section, the other end and the storage
Gas tank connects；The waste-heat recovery device and raw coke oven gas purifier respectively produce the high temperature pyrolysis section, middle low temperature pyrogenation section
Raw pyrolysis pneumatic transmission is to the air accumulator.
2. three-stage pulverized coal pyrolysis processing system according to claim 1, which is characterized in that the high temperature pyrolysis section, in
The range scale of low temperature pyrogenation section and waste heat recovery section vertical length is 3:2:1-5:3:1.
3. three-stage pulverized coal pyrolysis processing system according to claim 1, which is characterized in that the pyrolysis reactor includes
Furnace body, the furnace body are divided into high temperature pyrolysis section, middle low temperature pyrogenation section and waste heat recovery section, the furnace body packet from top to bottom
It includes：First charging aperture, epimere pyrolysis gas outlet, hypomere pyrolysis gas outlet and cold burnt discharge port, wherein the first charging aperture is set
It is placed in the top of the furnace body, the epimere pyrolysis gas outlet is set to the side of the furnace body and is located at the high temperature pyrolysis section
Downside, the hypomere pyrolysis gas outlet be set to the side of the furnace body and positioned at the middle low temperature pyrogenation section downside, institute
State the bottom that cold burnt discharge port is set to the furnace body.
4. three-stage pulverized coal pyrolysis processing system according to claim 1, which is characterized in that the three-stage pulverized coal pyrolysis
Processing system further includes coke bin, and the coke bin is connect with the cold burnt discharge port.
5. three-stage pulverized coal pyrolysis processing system according to claim 1, which is characterized in that the heating device includes combustion
Gas import, air intlet and exhanst gas outlet, the heat-exchanger rig include hot air outlet and inlet of cold air, wherein described to change
The hot air outlet of thermal is connected with the air intlet of the heating device, using the cooling medium after heat exchange as fuel foldback
Enter the heating device.
6. three-stage pulverized coal pyrolysis processing system according to claim 1, which is characterized in that the material collecting device is taper
Hopper, bottom are exported equipped with batch mixing, and side is equipped with the second charging aperture through the furnace body, and room temperature material passes through described second
Feed inlet is mixed into the broach hopper with the high-temperature semi-coke, is fallen on the cloth cone and is carried out being sufficiently mixed contact heat
Solution obtains mixing semicoke.
7. three-stage pulverized coal pyrolysis processing system according to claim 6, which is characterized in that the drying riser arrangement
Riser is dried including jet coal drying riser, lignite, the raw material bucket includes jet coal raw material bucket, lignite raw material bucket, institute
Exhanst gas outlet is stated to be linked in sequence successively with jet coal drying riser, lignite drying riser, lignite raw material bucket；It is described brown
Coal raw material bucket is connect with the first charging aperture；Described jet coal raw material bucket one end is connect with the second charging aperture, the other end
It is connect with jet coal drying riser.
8. three-stage pulverized coal pyrolysis processing system according to claim 7, which is characterized in that the number of plies of the heating device
It it is 10-30 layers, every layer of heating device includes multiple heating devices；The heating device is heat accumulation type radiant tube, described
1000 DEG C or more of flue gas is generated in heating device.
9. three-stage pulverized coal pyrolysis processing system according to claim 1, which is characterized in that the number of plies of cloth cone is
8-20 layers, the spacing per adjacent two layers is 100-400mm, and the spacing of two neighboring cloth cone is 50-300mm in every layer；It is described
The positive triangular pyramid that cloth cone is a length of 50-200mm of rib.
10. three-stage pulverized coal pyrolysis processing system according to claim 1, which is characterized in that the cooling medium is cold
Air is warming up to 300-400 DEG C after the cold air heat exchange and enters adding for epimere high temperature pyrolysis area by external connecting tube
By being arranged outside belt feeder after 60 DEG C being down in thermal with fuel gas buring, mixing semicoke temperature after heat exchange.
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| CN201721815689.9U CN207811674U (en) | 2017-12-22 | 2017-12-22 | A kind of three-stage pulverized coal pyrolysis processing system |
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| CN201721815689.9U CN207811674U (en) | 2017-12-22 | 2017-12-22 | A kind of three-stage pulverized coal pyrolysis processing system |
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| CN207811674U true CN207811674U (en) | 2018-09-04 |
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| CN201721815689.9U Expired - Fee Related CN207811674U (en) | 2017-12-22 | 2017-12-22 | A kind of three-stage pulverized coal pyrolysis processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107937000A (en) * | 2017-12-22 | 2018-04-20 | 北京神雾电力科技有限公司 | A kind of three-stage pulverized coal pyrolysis processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107937000A (en) * | 2017-12-22 | 2018-04-20 | 北京神雾电力科技有限公司 | A kind of three-stage pulverized coal pyrolysis processing system |
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Granted publication date: 20180904 Termination date: 20191222 |