CN207811667U - A kind of carbon-based raw material pyrolytic reaction system of efficient waste heat recycling - Google Patents
A kind of carbon-based raw material pyrolytic reaction system of efficient waste heat recycling Download PDFInfo
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- CN207811667U CN207811667U CN201721813887.1U CN201721813887U CN207811667U CN 207811667 U CN207811667 U CN 207811667U CN 201721813887 U CN201721813887 U CN 201721813887U CN 207811667 U CN207811667 U CN 207811667U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model recycles carbon-based raw material pyrolytic reaction system more particularly to a kind of efficient waste heat, including：Pyrolysis section in the furnace body of the pyrolysis reactor and cold burnt section, wherein Multi-layer warming pipe is provided in the pyrolysis section, every layer of heating tube is provided with multiple；The cold burnt section is located at the lower section of the pyrolysis section, is provided with the serpentine coil with heat exchange function in the cold burnt section, heat transferring medium is accommodated in the serpentine coil.The utility model fully recycles high-temperature semi-coke waste heat, and the energy consumption of system reduces by 30% or more, carries out integrated combination to pyrolysis section and cold burnt section, system flow is simple.
Description
Technical field
The utility model belongs to the pyrolytic process technical field of Organic Ingredients, and in particular to a kind of efficient waste heat recycling is carbon-based
Raw material pyrolytic reaction system.
Background technology
Various Organic Ingredients such as coal, biomass, oil shale etc. contain a large amount of petroleum resources, can be by completely cutting off air
The method of pyrolysis obtains a large amount of, valuable petroleum resources, and the energy demand for supplementing China is of great significance.Heat at present
The technique of solution reactor development mainly has external Tscoal techniques, fluidized-bed process and the DG of country methods and rotary kiln reactor
Deng, from the point of view of in system flow, in pyrolytic process the waste heat of semicoke taken away account for system energy consumption 30-50%, all do not have very much
Effect utilizes, and to which system effectiveness is low, pyrolysis cost is caused to increase.
Utility model content
The utility model in view of the deficiencies of the prior art, provides a kind of efficient waste heat recycling carbon-based raw material pyrolytic reaction system
System, fully recycles high-temperature semi-coke waste heat, and the energy consumption of system reduces by 30% or more, and one is carried out to pyrolysis section and cold burnt section
Change combination, system flow is simple.
To solve the above problems, the technical solution adopted in the utility model is：
A kind of carbon-based raw material pyrolytic reaction system of efficient waste heat recycling, including：Feeding equipment, pyrolysis reactor and raw coke oven gas
Purifier,
The discharge port of the feeding equipment is connect with the feed inlet of the pyrolysis reactor, for being the pyrolysis reactor
Raw material is provided；
The pyrolysis reactor includes：Pyrolysis section in the furnace body of the pyrolysis reactor and cold burnt section, wherein institute
It states and is provided with Multi-layer warming pipe in pyrolysis section, every layer of heating tube is provided with multiple；
The cold burnt section is located at the lower section of the pyrolysis section, and the snakelike disk with heat exchange function is provided in the cold burnt section
It manages, heat transferring medium is accommodated in the serpentine coil；
The pyrolysis gas entrance of the raw coke oven gas purifier is connect with the pyrolysis gas outlet of the pyrolysis reactor, for net
Change pyrolysis gas.
Further, the heating tube has heating tube fuel gas inlet, heating tube air intake and exhanst gas outlet；
The number of plies of the heating tube is 10-30 layers, and the heating tube is the heat resisting pipe of DN150-DN400.
Further, the serpentine coil includes：First serpentine coil and the second serpentine coil, wherein
Heat transferring medium in first serpentine coil is air, and first serpentine coil has air intake and heat empty
Gas exports, and the hot air outlet is connect with the heating tube air intake；
There is desalination water inlet and steam to go out for heat transferring medium desalted water in second serpentine coil, the second serpentine coil
Mouthful, the steam (vapor) outlet is connect with the steam inlet of the raw coke oven gas purifier.
Further, the feeding equipment includes：Riser drying unit and raw material bucket, wherein
The exhanst gas outlet is connect with the riser drying unit, will enter the raw material in the riser drying unit
Dry and realize airlift, the moisture of the raw material after drying is less than 15%；
The discharge port of the riser drying unit is connect with the feed inlet of the raw material cabin, the discharge port of the raw material cabin
It is connect with the feed inlet of the pyrolysis reactor.
Further, further include：Cold coke bin is connect with the discharge port of the pyrolysis reactor, for storing cold coke.
Further, further include：Gas storage holder, the gas storage holder are connect with the raw coke oven gas purifier, net for storing
Pyrolysis gas after change.
Further, the pyrolysis section and the height ratio of the cold burnt section are 3-5:1.
The beneficial effects of the utility model are：
（1）High-temperature semi-coke waste heat is fully recycled, the energy consumption of system reduces by 30% or more.
（2）Integrated combination is carried out to pyrolysis section and cold burnt section, system flow is simple.
Description of the drawings
Fig. 1 is that the utility model efficient waste heat recycles carbon-based raw material pyrolytic reaction system structure diagram.
Wherein, 1, riser drying unit 2, raw material bucket 3, pyrolysis section 4, heating tube 5, the first serpentine coil
6, the second serpentine coil 7, raw coke oven gas purifier 8, cold coke bin 9, gas storage holder 10, cold burnt section.
Specific implementation mode
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to specific embodiment
The utility model is described in further detail.It note that the embodiments described below is exemplary, be only used for explaining this
Utility model, and should not be understood as limiting the present invention.Particular technique or condition are not specified in embodiment, according to this
Technology or condition described in document in field are carried out according to product description.Production is not specified in agents useful for same or instrument
Manufacturer person, being can be with conventional products that are commercially available.
One side according to the present utility model, the utility model provide a kind of carbon-based raw material pyrolysis of efficient waste heat recycling
Reaction system, Fig. 1 are the carbon-based raw material pyrolytic reaction system structure diagram of the utility model efficient waste heat recycling, as shown in Figure 1,
Including：Feeding equipment, pyrolysis reactor and raw coke oven gas purifier, the discharge port of the feeding equipment and the pyrolysis reactor
Feed inlet connection, for providing raw material for the pyrolysis reactor；The pyrolysis reactor includes：Positioned at the pyrolytic reaction
The height ratio of pyrolysis section in the furnace body of device and cold burnt section, the pyrolysis section and the cold burnt section is 3-5:1；Wherein, the heat
It is provided with Multi-layer warming pipe in solution section, every layer of heating tube is provided with multiple；The cold burnt section is located under the pyrolysis section
It is square, it is provided with the serpentine coil with heat exchange function in the cold burnt section, heat transferring medium is accommodated in the serpentine coil；It is described
The pyrolysis gas entrance of raw coke oven gas purifier is connect with the pyrolysis gas outlet of the pyrolysis reactor, for purifying pyrolysis gas.
There is heating tube fuel gas inlet, heating tube air to enter for specific embodiment according to the present utility model, the heating tube
Mouth and exhanst gas outlet；The number of plies of the heating tube is 10-30 layers, and the heating tube is the heat resisting pipe of DN150-DN400.Institute
Stating serpentine coil includes：First serpentine coil and the second serpentine coil, wherein.Heat transferring medium in first serpentine coil is
Air, first serpentine coil have air intake and hot air outlet, the hot air outlet and the heating tube air
Entrance connects；Heat transferring medium desalted water in second serpentine coil, the second serpentine coil have desalination water inlet and steam
Outlet, the steam (vapor) outlet are connect with the steam inlet of the raw coke oven gas purifier.
Specific embodiment according to the present utility model, the feeding equipment include：Riser drying unit and raw material bucket,
In, the exhanst gas outlet is connect with the riser drying unit, will enter the raw material stoving in the riser drying unit,
The moisture of raw material after drying is less than 15%；The discharge port of the riser drying unit is connect with the feed inlet of the raw material cabin,
The discharge port of the raw material cabin is connect with the feed inlet of the pyrolysis reactor.
Specific embodiment according to the present utility model further includes：Cold coke bin and gas storage holder, cold coke bin and the pyrolytic reaction
The discharge port of device connects, for storing cold coke；The gas storage holder is connect with the raw coke oven gas purifier, after storing purification
Pyrolysis gas.
Exhanst gas outlet of the lower part flue gas from heating tube of riser is dried, temperature is 150-500 DEG C, in drying riser
In come into full contact with the raw material that material inlet gets off, and entered in raw material bucket by the top of airlift to riser, it is former
The moisture of material is oven-dried to less than 15%, and raw material enters raw material bucket, enters the pyrolysis section in pyrolysis reactor by feed inlet, is led to
Cross heating tube indirectly heat, pyrolysis section temperature controls 500-1000 DEG C, raw material in pyrolysis section by from gravity fall, in pyrolysis section
Occur with the pyrolytic reaction of air exclusion, in pyrolytic process, largely reaction generates pyrolysis gas to raw material, and pyrolysis gas temperature is 450-
It 950 DEG C, is discharged from the pyrolysis gas outlet of pyrolysis section and is sent into raw coke oven gas purification system, pyrolysis gas is miscellaneous in raw coke oven gas purification system
Matter is removed, and is then sent in air accumulator by pipeline and is used as fuel gas or unstripped gas uses, can also connected by pipeline
It is connected to heating fuel of the fuel gas inlet as pyrolysis section of heating tube
Solid product in raw material is semicoke, and temperature is 450-800 DEG C, and semicoke enters cold burnt section；The snakelike disk of cold coke section
Pipe is arranged in the space of cold burnt section, and the first serpentine coil pipe takes air as heat transferring medium, and the air that temperature is 10-30 DEG C is logical
After crossing heat exchanger tube, hot air temperature be 300-500 DEG C, subsequently into heating tube with fuel gas buring, generate high-temperature flue gas；Second
Serpentine coil takes water as heat transferring medium, and temperature is that the water of room temperature enters, and generates 200 DEG C of steam and enters raw coke oven gas purification system
System；450-800 DEG C of semicoke temperature after cold burnt section is by heat exchanger tube be reduced to 80 DEG C directly below from the cold burnt discharge port of hypomere
Pass through belt or Geldart-D particle to cold coke bin after discharge.
Another aspect according to the present utility model, the utility model provide a kind of carbon-based raw material of utilization efficient waste heat recycling
The method that pyrolytic reaction system carries out carbon-based raw materials recovery, includes the following steps：
1）Raw material is sent into riser drying unit and is dried, and raw material is sent to raw material cabin；
2）Raw material in raw material cabin is sent into pyrolysis reactor, raw material, which falls, enters pyrolysis section, through adding in pyrolysis section
Pyrolytic reaction occurs for heat pipe indirectly heat, generates pyrolysis gas and semicoke, pyrolysis gas are sent in the raw coke oven gas purifier, add
The flue gas that hot combustion inner pipe generates, which is sent to, to be promoted in drying unit；
3）Semicoke continues to fall, and into cold burnt section, is discharged, is discharged after the first serpentine coil and the heat exchange of the second serpentine coil
Semicoke be sent to cold coke bin, the hot-air generated in the first serpentine coil is sent in heating tube, production in the second serpentine coil
Raw steam is sent in raw coke oven gas purifier；
4）It will be through the purified pyrolysis pneumatic transmission of raw coke oven gas purifier to gas storage holder.
The temperature of specific embodiment according to the present utility model, the pyrolysis section is 500-1000 DEG C, is generated in pyrolysis section
Pyrolysis gas temperature be 450-950 DEG C；The temperature of semicoke in the pyrolysis section is 450-800 DEG C, through the cold coke
Duan Huanre to 80 DEG C or less is discharged the furnace body.The air themperature for entering the heat exchange coil through the air intake is 10-30
DEG C, the air themperature through hot air outlet discharge is 300-500 DEG C.
The efficient waste heat of the utility model recycles carbon-based raw material pyrolytic reaction system in summary, can be to more than high-temperature semi-coke
Heat is fully recycled, and the energy consumption of system reduces by 30% or more；Integrated combination, system flow are carried out to pyrolysis section and cold burnt section
Simply.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It should not be understood as indicating or imply relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include one or more this feature.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only
Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
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 by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines 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 (7)
1. a kind of efficient waste heat recycles carbon-based raw material pyrolytic reaction system, which is characterized in that including：Feeding equipment, pyrolytic reaction
Device and raw coke oven gas purifier, the discharge port of the feeding equipment are connect with the feed inlet of the pyrolysis reactor, are used for as institute
It states pyrolysis reactor and raw material is provided；The pyrolysis reactor includes：Pyrolysis section in the furnace body of the pyrolysis reactor and
Cold coke section, wherein Multi-layer warming pipe is provided in the pyrolysis section, every layer of heating tube is provided with multiple；The cold burnt section
Positioned at the lower section of the pyrolysis section, it is provided with the serpentine coil with heat exchange function in the cold burnt section, in the serpentine coil
Accommodate heat transferring medium；The pyrolysis gas entrance of the raw coke oven gas purifier connects with the pyrolysis gas outlet of the pyrolysis reactor
It connects, for purifying pyrolysis gas.
2. system according to claim 1, which is characterized in that the heating tube has heating tube fuel gas inlet, heating tube
Air intake and exhanst gas outlet；
The number of plies of the heating tube is 10-30 layers, and the heating tube is the heat resisting pipe of DN150-DN400.
3. system according to claim 2, which is characterized in that the serpentine coil includes：First serpentine coil and second
Serpentine coil, wherein
Heat transferring medium in first serpentine coil is air, and there is first serpentine coil air intake and hot-air to go out
Mouthful, the hot air outlet is connect with the heating tube air intake；
Heat transferring medium desalted water in second serpentine coil, the second serpentine coil have desalination water inlet and steam (vapor) outlet,
The steam (vapor) outlet is connect with the steam inlet of the raw coke oven gas purifier.
4. system according to claim 2, which is characterized in that the feeding equipment includes：Riser drying unit and original
Hopper, wherein the exhanst gas outlet is connect with the riser drying unit, will enter the original in the riser drying unit
Material dries and realizes airlift, and the moisture of the raw material after drying is less than 15%；
The discharge port of the riser drying unit is connect with the feed inlet of the raw material cabin, the discharge port of the raw material cabin and institute
State the feed inlet connection of pyrolysis reactor.
5. system according to claim 1, which is characterized in that further include：Cold coke bin, with going out for the pyrolysis reactor
Material mouth connects, for storing cold coke.
6. system according to claim 1, which is characterized in that further include：Gas storage holder, the gas storage holder and the raw coke oven gas
Purifier connects, for storing purified pyrolysis gas.
7. system according to claim 1, which is characterized in that the pyrolysis section and the height ratio of the cold burnt section are 3-
5:1。
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| CN201721813887.1U CN207811667U (en) | 2017-12-22 | 2017-12-22 | A kind of carbon-based raw material pyrolytic reaction system of efficient waste heat recycling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108085029A (en) * | 2017-12-22 | 2018-05-29 | 北京神雾电力科技有限公司 | A kind of efficient waste heat recycles carbon-based raw material pyrolytic reaction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108085029A (en) * | 2017-12-22 | 2018-05-29 | 北京神雾电力科技有限公司 | A kind of efficient waste heat recycles carbon-based raw material pyrolytic reaction system |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201118 Address after: 102209 226, 2nd floor, building 71, 30 Litang Road, Changping District, Beijing Patentee after: Beijing Hengfeng Yaye Technology Development Co., Ltd Address before: 102200 Beijing city Changping District Machi Town kamis Road No. 18 building 201 room 2 Patentee before: BEIJING SHENWU POWER TECHNOLOGY Co.,Ltd. |