CN107841323A - A kind of efficient waste heat reclaims pyrolysis reactor - Google Patents
A kind of efficient waste heat reclaims pyrolysis reactor Download PDFInfo
- Publication number
- CN107841323A CN107841323A CN201711404063.3A CN201711404063A CN107841323A CN 107841323 A CN107841323 A CN 107841323A CN 201711404063 A CN201711404063 A CN 201711404063A CN 107841323 A CN107841323 A CN 107841323A
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- pyrolysis
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 53
- 239000002918 waste heat Substances 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000010792 warming Methods 0.000 claims abstract description 3
- 238000007599 discharging Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000010612 desalination reaction Methods 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 claims description 3
- 239000000571 coke Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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
-
- 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
- C10B15/00—Other coke ovens
-
- 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
- C10B39/00—Cooling or quenching coke
-
- 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
-
- 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
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- 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
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/06—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of oil shale and/or or bituminous rocks
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Present invention relates particularly to a kind of efficient waste heat to reclaim pyrolysis reactor, including：Pyrolysis section and cold burnt section in the body of heater of the pyrolysis reactor, Multi-layer warming pipe are provided with 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 present invention realizes and high-temperature semi-coke waste heat is fully reclaimed that the energy consumption of system reduces by more than 30%.
Description
Technical field
The invention belongs to the pyrolytic process technical field of Organic Ingredients, and in particular to a kind of efficient waste heat reclaims pyrolytic reaction
Device.
Background technology
Various Organic Ingredients such as coal, biomass, oil shale etc. contain substantial amounts of petroleum resources, can be by completely cutting off air
The method of pyrolysis obtains substantial amounts of, valuable petroleum resources, is significant for the energy demand for supplementing China.Heat at present
The technique of solution reactor development mainly has Tscoal techniques, fluidized-bed process and the DG of the country methods and rotary kiln reactor of foreign countries
Deng, from system flow from the point of view of, in pyrolytic process the waste heat taken away of semicoke account for system power consumption 30-50%, all do not have a lot
Effect utilizes, and so as to which system effectiveness is low, causes to be pyrolyzed cost increase.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of efficient waste heat recovery pyrolysis reactor, realize to high temperature half
Burnt waste heat is fully reclaimed, and the energy consumption of system reduces by more than 30%.
To solve the above problems, the technical solution adopted by the present invention is：
A kind of efficient waste heat reclaims pyrolysis reactor, including：Pyrolysis section and cold Jiao in the body of heater of the pyrolysis reactor
Section, wherein, Multi-layer warming pipe is provided with 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, and the serpentine coil with heat exchange function is provided with the cold burnt section,
Heat transferring medium is accommodated in the serpentine coil.
Further, the pyrolysis section and the height ratio of the cold burnt section are 3-5:1.
Further, the heating tube has heating tube fuel gas inlet and heating tube air intake；
The heating tube includes：Heat accumulation type radiant tube or heat-resisting heating tube.
Further, the number of plies of the heating tube is 10-30 layers, and the heating tube is DN150-DN400 heat resisting pipe.
Further, the top and bottom of the body of heater are respectively pyramidal structure, are set in the pyramidal structure at top
There is charging aperture, cold burnt outlet is provided with the pyramidal structure of bottom.
Further, the heat transferring medium includes：There is desalination water inlet and steam to go out for desalted water, the serpentine coil
Mouthful.
Further, the heat transferring medium includes：There is cool air inlet and hot-air to go out for air, the serpentine coil
Mouthful, the air themperature that the heat exchange coil is entered through the cool air inlet is 10-30 DEG C, through hot air outlet discharge
Air themperature is 300-500 DEG C；
The hot air outlet is connected with the heating tube air intake.
Further, the temperature of the pyrolysis section is 500-1000 DEG C, and the temperature of the pyrolysis gas of generation is in pyrolysis section
450-950℃。
Further, the temperature of the semicoke of bottom is 450-800 DEG C in the pyrolysis section, is exchanged heat through the cold burnt section
The body of heater is discharged to less than 80 DEG C.
Further, in addition to：Feeding mechanism and discharging machine, wherein,
The feeding mechanism being connected with the charging aperture is spiral conveyer or strength conveyer；
The discharging mechanism with the cold burnt outlet connection is belt feeder or strength conveyer.
The beneficial effects of the present invention are：
（1）High-temperature semi-coke waste heat is fully reclaimed, the energy consumption of system reduces by more than 30%.
（2）Integrated combination is carried out to pyrolysis section and cold burnt section, system flow is simple.
Brief description of the drawings
Fig. 1 is that efficient waste heat of the present invention reclaims pyrolysis reactor overall structure figure.
Wherein, 1. pyrolysis section, the 2. cold burnt serpentine coil a. raw material b. combustion gas c. hot-airs e. of 3. heating tube of section 4.
Air f. pyrolysis gas g. semicokes.
Embodiment
In order that those skilled in the art more fully understand technical scheme, with reference to specific embodiment to this
Invention is described in further detail.It is exemplary for note that the embodiments described below, is only used for explaining the present invention, and
It is not considered as limiting the invention.Unreceipted particular technique or condition in embodiment, according to document institute in the art
The technology or condition of description are carried out according to product description.Agents useful for same or the unreceipted production firm person of instrument, being can
To pass through the conventional products of acquisition purchased in market.
According to an aspect of the present invention, the invention provides efficient waste heat to reclaim pyrolysis reactor, and Fig. 1 is high for the present invention
Waste heat recovery pyrolysis reactor overall structure figure is imitated, as shown in figure 1, including the pyrolysis in the body of heater of the pyrolysis reactor
The height ratio of section and cold burnt section two parts, the pyrolysis section and the cold burnt section is 3:1-5:1, it is provided with the pyrolysis section
Multilayer radiant tube, every layer is provided with the more radiant tubes, and the serpentine coil with heat exchange function is provided with the cold burnt section,
Heat transferring medium is accommodated in the serpentine coil.
According to a particular embodiment of the invention, as shown in figure 1, the top and bottom of the body of heater are respectively pyramidal structure,
Charging aperture is provided with the pyramidal structure at top, cold burnt outlet is provided with the pyramidal structure of bottom.In the present invention
Some preferred embodiments in, present invention additionally comprises：Feeding mechanism and discharging machine, wherein, the institute being connected with the charging aperture
It is spiral conveyer or strength conveyer to state feeding mechanism；The discharging mechanism with the cold burnt outlet connection is ribbon feeding
Device or strength conveyer.
According to a particular embodiment of the invention, the heat transferring medium includes：Desalted water, air or other, work as heat transferring medium
For desalted water when, the serpentine coil has desalination water inlet and steam (vapor) outlet；When heat transferring medium is air, the snakelike disk
Pipe has cool air inlet and hot air outlet, and the air themperature that the heat exchange coil is entered through the cool air inlet is 10-
30 DEG C, the air themperature through hot air outlet discharge is 300-500 DEG C；The hot air outlet and the heating tube air
Entrance connects.
According to a particular embodiment of the invention, the heating tube has heating tube fuel gas inlet and heating tube air intake；
The heating tube of pyrolysis section can take heat accumulation type radiant tube, can also take heat-resisting heating tube；Some in the present invention are preferable
In embodiment, the number of plies of the heating tube is 10-30 layers, and the heating tube is DN150-DN400 heat resisting pipe.
According to a particular embodiment of the invention, charging aperture takes spiral or strength to feed, by particle size range 0-10mm original
Material is sent into pyrolysis section, and by heating tube indirectly heat, 500-1000 DEG C of pyrolysis section temperature control, raw material passes through deadweight in pyrolysis section
Power falls, and the pyrolytic reaction of isolation air occurs in pyrolysis section by pyrolysis reactor, and the organic matter wherein in raw material is most of
Discharge to form pyrolysis gas, pyrolysis gas temperature is 450-950 DEG C, and recovery system is sent into from the pyrolysis gas outlet discharge of pyrolysis section
System；Solid product in raw material is semicoke, is 450-800 DEG C in the hypomere temperature of pyrolysis section, into cold burnt section；Cold burnt section is changed
Heat pipe（Serpentine coil）It is arranged in the space of cold burnt section, wherein, serpentine coil takes air as heat transferring medium, and 450-
800 DEG C of pyrolysis high-temperature semi-coke temperature after cold burnt section is by heat exchanger tube is reduced to 80 DEG C directly below from the cold burnt discharging opening of hypomere
Pass through belt or Geldart-D particle to feed bin after discharge.After the air that temperature is 10-30 DEG C is by heat exchanger tube, hot air temperature is
300-500℃。
In summary, efficient waste heat of the invention recovery pyrolysis reactor, can fully be returned to high-temperature semi-coke waste heat
Receive, the energy consumption of system reduces by more than 30%；Integrated combination is carried out to pyrolysis section and cold burnt section, system flow is simple.
In the description of the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implies relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, define " the
One ", one or more this feature can be expressed or be implicitly included to the feature of " second ".
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition 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 directly contact, 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 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 the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.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 any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments 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, meanwhile, for those of ordinary skill in the art, the think of according to the application
Think, in specific embodiments and applications there will be changes.
Claims (10)
1. a kind of efficient waste heat reclaims pyrolysis reactor, it is characterised in that including：In the body of heater of the pyrolysis reactor
Pyrolysis section and cold burnt section, wherein,
Multi-layer warming pipe is provided with 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, and the serpentine coil with heat exchange function is provided with the cold burnt section,
Heat transferring medium is accommodated in the serpentine coil.
2. reactor according to claim 1, it is characterised in that the pyrolysis section and the height ratio of the cold burnt section are 3-
5:1。
3. reactor according to claim 1, it is characterised in that the heating tube has heating tube fuel gas inlet and heating
Pipe air intake；The heating tube includes：Heat accumulation type radiant tube or heat-resisting heating tube.
4. reactor according to claim 1, it is characterised in that the number of plies of the heating tube is 10-30 layers, the heating
Manage the heat resisting pipe for DN150-DN400.
5. reactor according to claim 1, it is characterised in that the top and bottom of the body of heater are respectively taper knot
Structure, charging aperture is provided with the pyramidal structure at top, cold burnt outlet is provided with the pyramidal structure of bottom.
6. reactor according to claim 1, it is characterised in that the heat transferring medium includes：Desalted water, the snakelike disk
Pipe has desalination water inlet and steam (vapor) outlet.
7. reactor according to claim 3, it is characterised in that the heat transferring medium includes：Air, the serpentine coil
With cool air inlet and hot air outlet, the air themperature that the heat exchange coil is entered through the cool air inlet is 10-30
DEG C, the air themperature through hot air outlet discharge is 300-500 DEG C；
The hot air outlet is connected with the heating tube air intake.
8. reactor according to claim 1, it is characterised in that the temperature of the pyrolysis section is 500-1000 DEG C, pyrolysis
The temperature of the pyrolysis gas of generation is 450-950 DEG C in section.
9. reactor according to claim 1, it is characterised in that the temperature of the semicoke of bottom is in the pyrolysis section
450-800 DEG C, exchanged heat through the cold burnt section and discharge the body of heater to less than 80 DEG C.
10. reactor according to claim 5, it is characterised in that also include：Feeding mechanism and discharging machine, wherein,
The feeding mechanism being connected with the charging aperture is spiral conveyer or strength conveyer；Connected with the cold burnt outlet
The discharging mechanism be belt feeder or strength conveyer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404063.3A CN107841323A (en) | 2017-12-22 | 2017-12-22 | A kind of efficient waste heat reclaims pyrolysis reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404063.3A CN107841323A (en) | 2017-12-22 | 2017-12-22 | A kind of efficient waste heat reclaims pyrolysis reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107841323A true CN107841323A (en) | 2018-03-27 |
Family
ID=61684209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711404063.3A Pending CN107841323A (en) | 2017-12-22 | 2017-12-22 | A kind of efficient waste heat reclaims pyrolysis reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107841323A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113416568A (en) * | 2021-07-22 | 2021-09-21 | 郭洪范 | Self-heating type oil shale aboveground dry distillation process capable of processing small-particle raw materials |
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| CN204550473U (en) * | 2015-03-31 | 2015-08-12 | 长安大学 | A kind of pulverized coal pyrolysis stove |
| CN105670653A (en) * | 2016-03-29 | 2016-06-15 | 新疆广汇中化能源技术开发有限公司 | Semicoke cooling system |
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| CN207811669U (en) * | 2017-12-22 | 2018-09-04 | 北京神雾电力科技有限公司 | A kind of efficient waste heat recycling pyrolysis reactor |
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2017
- 2017-12-22 CN CN201711404063.3A patent/CN107841323A/en active Pending
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| CN204550473U (en) * | 2015-03-31 | 2015-08-12 | 长安大学 | A kind of pulverized coal pyrolysis stove |
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| CN113416568A (en) * | 2021-07-22 | 2021-09-21 | 郭洪范 | Self-heating type oil shale aboveground dry distillation process capable of processing small-particle raw materials |
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