CN207330841U - A kind of fast pyrogenation furnace system of achievable crude-gas sensible heat recycling and dedusting - Google Patents
A kind of fast pyrogenation furnace system of achievable crude-gas sensible heat recycling and dedusting Download PDFInfo
- Publication number
- CN207330841U CN207330841U CN201721060874.1U CN201721060874U CN207330841U CN 207330841 U CN207330841 U CN 207330841U CN 201721060874 U CN201721060874 U CN 201721060874U CN 207330841 U CN207330841 U CN 207330841U
- Authority
- CN
- China
- Prior art keywords
- coke oven
- raw coke
- oven gas
- fast pyrogenation
- heat exchanger
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- Coke Industry (AREA)
Abstract
The utility model discloses the fast pyrogenation furnace system of a kind of achievable crude-gas sensible heat recycling and dedusting, including fast pyrogenation stove and as-fired coal material and raw coke oven gas heat exchanger；Fast pyrogenation stove feed inlet is equipped with the top of fast pyrogenation furnace body, fast pyrogenation bottom of furnace body is equipped with fast pyrogenation furnace discharge mouth and raw coke oven gas exports, and the pyrolytic carbon bed of material that prestores is equipped with lower part in fast pyrogenation stove；As-fired coal material is internally provided with rotating device with raw coke oven gas heat exchanger, and the top of heat exchanger outer wall is equipped with to be equipped with raw coke oven gas entrance and enter the outlet of stove hot coal material with after heat exchange into furnace cooling coal charge entrance and raw coke oven gas outlet, the bottom of heat exchanger outer wall；The raw coke oven gas outlet of pyrolysis oven is connected with the raw coke oven gas entrance of heat exchanger by delivery line, and the stove hot coal material outlet that enters after heat exchange is connected with fast pyrogenation stove feed inlet.The raw coke oven gas outlet of heat exchanger is connected by bag-type dust removal system with gas cleaning system.Not only the waste heat of raw coke oven gas 80%~90% can have been recycled, but also can realize raw coke oven gas dedusting, has solved the bottleneck of fast pyrogenation raw coke oven gas purification.
Description
Technical field
A kind of raw coke oven gas processing system is the utility model is related to, more particularly to a kind of achievable crude-gas sensible heat is recycled and removed
The fast pyrogenation furnace system of dirt.
Background technology
The utilization of coal sub-prime is considered as the effective way that Coal Clean efficiently utilizes, and it is exactly to pass through that the sub-prime of coal, which utilizes,
Pyrolysis first separates heterogeneity in coal, and the product separated includes coal gas, tar and semicoke etc..Coal tar passes through
Hydrogenation can produce gasoline, diesel oil；Semicoke becomes the clean fuel of low volatile, low-sulfur by pyrolysis, subtracts instead of dissipating burning coal
Few pollution to air；Coal gas can be used directly as fuel gas or material gas.
Coal sub-prime utilizes the pyrolytic technique that " tap " is coal, to extract tar, the coal gas of scale production quantities, and coal sub-prime utilizes
Scale, maximization are needed, single set pyrolysis of coal unit scale is more and more large-scale, during the sub-prime of low-order coal utilizes, soon
Speed heat solution generally handles fine coal raw material, and fine coal temperature rise in pyrolysis oven is fast, and the residence time is short, and oil gas spilling speed is fast, heat
Solution oil gas carries substantial amounts of dust, although being handled by deduster, can only remove larger solid particle, pyrolysis oil gas warp
After chilling tower cooler, fine dusts enter in tar, therefore toluene insolubles content is higher in the coal tar obtained, insoluble matter
Main component is coal ash, coal dust etc., causes gained coal tar large viscosity, containing heavy component is more, heat endurance is poor, belongs to weight
The category of matter, tar inferior, these shortcomings cause the follow-up deep processing difficulty of coal tar larger；Pursue the pyrolysis of tar in high yield
Technique, can not bring preferable economic benefit.
To solve the above-mentioned problems, it is necessary to which a kind of sensible heat for the raw coke oven gas that pyrolysis can be produced make full use of and reality
The fast pyrolysis systems of existing raw coke oven gas dedusting.
The prior art one：
Chinese Patent Application No.：2014106224096.9 a kind of counterflow moving bed raw coke oven gas deduster and dust pelletizing system
And method, the deduster are to set filtrate distributor, inner cavity to be provided with air inlet pipe at the top of tank body, air inlet pipe is distributed with filtrate
The outlet of purification raw coke oven gas is machined between the outlet of device, is provided with the port of export of air inlet pipe and changes flow tube, in the top for changing flow tube
It is provided with the ring type cloth connected with air inlet pipe and divides device, ring type cloth divides device to connect with the side wall of air inlet pipe and coaxially set with air inlet pipe
Put, by the way that the deduster is connected with filtrate surge bunker, media regeneration stove, media regeneration stove is connected with high temperature bucket elevator,
The filtrate after filtering is lifted to surge bunker by high temperature bucket elevator, is recycled, the utility model remains filter
Material exports smooth, high dust collection efficiency, filtrate cyclic regeneration, ensures system continuous and steady operation, and dust removal method is simple, energy consumption
It is small, suitable for industrial applications.
The shortcomings that prior art one：
Media regeneration is needed, while is equipped with media regeneration stove, equipment is complicated, and operating cost is high.
The prior art two：
Chinese Patent Application No.：201310418922.X a kind of raw coke oven gas dedusting device and raw coke oven gas dedusting method, its device is by extremely
Few dust removing units composition, dust removing units include filter, and filter is respectively with raw coke oven gas pipeline, gas cooler and putting
Air refreshing tube connects, and gas cooler is connected with bag filter, bag filter and oil-free gas pipeline and circulating fan
It is connected, circulating fan is connected with gas heater, and bottom purge gas outlet and the purified gas discharge tube of filter connect
Logical, blowback air air inlet is connected with blowback feed channel, and blowback feed channel and air refreshing tube are connected with gas heater；Whole device
It is simple in structure, stable, energy consumption is low, filter efficiency is high, does not circulate soot blowing regenerative system, bed material avoids filter without circulation
Material is crushed in filter process and the abrasion to equipment, can use multiple sets of parallel combination filtering.
The shortcomings that prior art two：
The utility model need to configure circulating fan, and blowback air system, complicated, operability is not strong.
The prior art three：
Using granular bed filter dedusting, it is using chemical property is stable, heat safe solid particle (such as quartz sand) shape
Into filter layer, to filter dust.The advantages of it is protruded is high temperature resistant, corrosion-resistant, insensitive to smoke components, efficiency of dust collection
It is very high, 99% is can reach, the dust for 10 more than the μ that can go out.High-temperature dust removal, viscosity or weak sticky dust trapping and it is explosive easily
Dust catching etc. is fired, granular bed filter dedusting shows the superiority of uniqueness, improves filter efficiency
The limitation of the granular bed filter dedusting technology of the prior art three：
Cleaning origin is may be only available for, must increase other measures for oil-containing origin.
Utility model content
The purpose of this utility model is to provide a kind of fast pyrogenation furnace system of achievable crude-gas sensible heat recycling and dedusting.
The purpose of this utility model is achieved through the following technical solutions：
The achievable crude-gas sensible heat recycling of the utility model and the fast pyrogenation furnace system of dedusting, including fast pyrogenation stove
With as-fired coal material and raw coke oven gas heat exchanger；
The fast pyrogenation stove includes fast pyrogenation furnace body, and being equipped with fast pyrogenation stove at the top of the fast pyrogenation furnace body feeds
Mouthful, the fast pyrogenation bottom of furnace body is equipped with fast pyrogenation furnace discharge mouth and raw coke oven gas exports, in the fast pyrogenation stove under
Portion is equipped with the pyrolytic carbon bed of material that prestores；
The as-fired coal material includes heat exchanger outer wall with raw coke oven gas heat exchanger, and heat exchanger is internally provided with rotating device, described
The top of heat exchanger outer wall is equipped with into furnace cooling coal charge entrance and raw coke oven gas outlet, and the bottom of the heat exchanger outer wall is equipped with raw coke oven gas
Enter the outlet of stove hot coal material after entrance and heat exchange；
The raw coke oven gas outlet of the pyrolysis oven is connected with the raw coke oven gas entrance of the heat exchanger by delivery line, the heat exchange
The stove hot coal material outlet that enters afterwards is connected with the fast pyrogenation stove feed inlet.
The achievable famine that the utility model embodiment provides it can be seen from above-mentioned technical solution provided by the utility model
Gas heat recycles and the fast pyrogenation stove of dedusting, can not only recycle the waste heat of raw coke oven gas 80%~90%, but also can realize famine
Coal gas dust removal, solves the bottleneck of fast pyrogenation raw coke oven gas purification.
Brief description of the drawings
Fig. 1 is the fast pyrogenation furnace system of the achievable crude-gas sensible heat recycling that the utility model embodiment provides and dedusting
Structure diagram.
Fig. 2 is the structure diagram of as-fired coal material and raw coke oven gas heat exchanger in the utility model embodiment.
In figure：
1-fast pyrogenation stove feed inlet；2-fast pyrogenation furnace body；3-the pyrolytic carbon that the prestores bed of material；4-fast pyrogenation furnace discharge
Mouthful；5-raw coke oven gas exports and delivery line；6-heat exchanger；7-enter furnace cooling coal charge entrance；Enter the outlet of stove hot coal material after 8- heat exchange；9–
Raw coke oven gas outlet conduit；10-bag-type dust removal system；11-raw coke oven gas entrance；12-raw coke oven gas exports；15-rotating device；16- is changed
Hot device outer wall.
Embodiment
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, be fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Embodiment based on the utility model, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, belongs to the scope of protection of the utility model.
The achievable crude-gas sensible heat recycling of the utility model and the fast pyrogenation furnace system of dedusting, it is preferably specific real
The mode of applying is：
Including fast pyrogenation stove and as-fired coal material and raw coke oven gas heat exchanger；
The fast pyrogenation stove includes fast pyrogenation furnace body, and being equipped with fast pyrogenation stove at the top of the fast pyrogenation furnace body feeds
Mouthful, the fast pyrogenation bottom of furnace body is equipped with fast pyrogenation furnace discharge mouth and raw coke oven gas exports, in the fast pyrogenation stove under
Portion is equipped with the pyrolytic carbon bed of material that prestores；
The as-fired coal material includes heat exchanger outer wall with raw coke oven gas heat exchanger, and heat exchanger is internally provided with rotating device, described
The top of heat exchanger outer wall is equipped with into furnace cooling coal charge entrance and raw coke oven gas outlet, and the bottom of the heat exchanger outer wall is equipped with raw coke oven gas
Enter the outlet of stove hot coal material after entrance and heat exchange；
The raw coke oven gas outlet of the pyrolysis oven is connected with the raw coke oven gas entrance of the heat exchanger by delivery line, the heat exchange
The stove hot coal material outlet that enters afterwards is connected with the fast pyrogenation stove feed inlet.
The raw coke oven gas outlet of the heat exchanger is connected by outlet conduit with bag-type dust removal system, the bag-type dust removal system
It is connected with gas cleaning system.
The achievable crude-gas sensible heat recycling of the utility model and the fast pyrogenation furnace system of dedusting, as shown in Figure 1, quickly
Pyrolysis oven is down-flow fluidized bed using ECT input and output material mode, and using internal heat type radiant tube mode of heating, the pyrolytic carbon that coal charge fast pyrogenation produces exists
Fast pyrogenation furnace bottom prestores the pyrolytic carbon bed of material, and the raw coke oven gas for being pyrolyzed generation first passes around the pyrolytic carbon bed of material, can not only realize
Be pyrolyzed the by-pass filtration of dust contained by raw coke oven gas, moreover it is possible to be heavy ingredient contained by raw coke oven gas (such as：Tar, benzene naphthalene etc.) realize
Second pyrolysis increase pyrolysis gas yield, by pyrolytic carbon prestore the bed of material raw coke oven gas from fast pyrogenation furnace bottom draw, can adopt
Drawn with single tube and multitube is drawn, preferably multitube lead-out mode, uniformly exported easy to pyrolysis gas.
The raw coke oven gas drawn from fast pyrogenation stove enters heat exchanger (as-fired coal material is directly contacted with raw coke oven gas), in heat exchanger
Equipped with rotating device, it is beneficial to disturbance, the heat transfer of raw coke oven gas and coal charge.
Raw coke oven gas is realized with as-fired coal material in heat exchanger, the temperature of as-fired coal material is risen to 100~150 DEG C by room temperature,
Raw gas temperature drops to 200 DEG C by 550 DEG C.The communicated system of as-fired coal material after heating is transported to the charging of fast pyrogenation stove
Mouthful, complete coal charge fast pyrogenation into fast pyrogenation stove.
200 DEG C of raw coke oven gas drops the dust content of raw coke oven gas again through bag filter dedusting after exchanging heat with as-fired coal material
It is low to arrive 50mg/nm3, it is then delivered to follow-up gas cleaning system.
The structure of raw coke oven gas and as-fired coal material heat exchanger is as shown in Fig. 2, raw coke oven gas and as-fired coal the material adverse current in heat exchanger
Contact, since gap of the fast pyrogenation stove as-fired coal material granularity scope between 0.5~5mm, coal charge is smaller, raw coke oven gas is penetrating
Resistance is larger during coal seam, and heat-exchange time is longer, is unfavorable for system operation, and this patent increases frequency control rotation inside heat exchanger
Agitating device, makes coal charge during heat exchanger downlink, in rotary state,
The coal charge gap increase of dynamic downlink, reduces raw coke oven gas and walks resistance, while heat exchanger gyratory agitation device is set
Frequency control, according to raw coke oven gas outlet temperature, can adjust the rotary speed of gyratory agitation device, ensure raw coke oven gas and coal charge
Fully heat exchange.
Specific embodiment：
Embodiment one
For fast pyrogenation stove per hour into 50 tons of coal charge, coal charge 0.5~3mm of granularity, enters fast pyrogenation using screw distribution
Stove feed inlet 1；
Coal charge is completed to be pyrolyzed in fast pyrogenation furnace body 2 through 8s；
Fast pyrogenation stove uses 900 DEG C of internal heat type mode of heating pyrolysis temperature；
3 thickness 2000mm of the pyrolytic carbon that the prestores bed of material；
Raw coke oven gas occurrence quantity 7400Nm3/h, 850 DEG C of temperature, dust content 80g/Nm3；
Raw coke oven gas makes the dust content of pyrolysis oven at raw coke oven gas reduce, is 40g/ through 3 rough dusting of the pyrolytic carbon bed of material that prestores
Nm3；
The raw coke oven gas for going out pyrolysis oven realizes raw coke oven gas and as-fired coal material through raw coke oven gas outlet and delivery line 5 into heat exchanger 6
Heat exchange, the raw coke oven gas after heat exchange enters gas cleaning system through raw coke oven gas outlet conduit 9；
Enter furnace cooling coal charge (20 DEG C) and enter heat exchanger 6, coal charge the entering after heat exchange after heat exchange through entering furnace cooling coal charge entrance 7
Stove coal charge outlet 8 excludes, then is transported to fast pyrogenation stove feed inlet 1 and enters the progress coal charge pyrolysis of fast pyrogenation furnace body 2.
Raw coke oven gas exchanges heat by heat exchanger, and temperature is down to 150 DEG C by 800 DEG C, as-fired coal material through heat exchanger heat-exchange temperature by
25 DEG C rise to 300 DEG C,.
Heat exchanger rotating device 15, using frequency control, according to raw coke oven gas outlet temperature, adjusts the rotation of gyratory agitation device
Rotary speed, ensures the abundant heat exchange of raw coke oven gas and coal charge.
Embodiment two：
Fast pyrogenation stove uses screw distribution into 50 tons of coal charge, coal charge 0.5~3mm of granularity, feed way per hour；
Coal charge pyrolysis time 6s in fast pyrogenation stove；
Fast pyrogenation stove uses 600 DEG C of internal heat type mode of heating pyrolysis temperature；
3 thickness 2000mm of the pyrolytic carbon that the prestores bed of material；
Raw coke oven gas occurrence quantity 5400Nm3/ h, 580 DEG C of temperature, dust content 80g/Nm3；
Raw coke oven gas makes the dust content of pyrolysis oven at raw coke oven gas reduce, is 40g/ through 3 rough dusting of the pyrolytic carbon bed of material that prestores
Nm3；
The raw coke oven gas for going out pyrolysis oven realizes raw coke oven gas and as-fired coal material through raw coke oven gas outlet and delivery line 5 into heat exchanger 6
Heat exchange, the raw coke oven gas after heat exchange enters gas cleaning system through raw coke oven gas outlet conduit 9；
Enter furnace cooling coal charge (20 DEG C) and enter heat exchanger 6, coal charge the entering after heat exchange after heat exchange through entering furnace cooling coal charge entrance 7
Stove coal charge outlet 8 excludes, then is transported to fast pyrogenation stove feed inlet 1 and enters the progress coal charge pyrolysis of fast pyrogenation furnace body 2.
Raw coke oven gas exchanges heat by heat exchanger, and temperature is down to 130 DEG C by 550 DEG C, as-fired coal material through heat exchanger heat-exchange temperature by
25 DEG C rise to 200 DEG C,.
Heat exchanger rotating device 15, using frequency control, according to raw coke oven gas outlet temperature, adjusts the rotation of gyratory agitation device
Rotary speed, ensures the abundant heat exchange of raw coke oven gas and coal charge.
The achievable crude-gas sensible heat recycling of the utility model and the fast pyrogenation stove of dedusting, can both recycle raw coke oven gas
80%~90% waste heat, and can realize raw coke oven gas dedusting, the bottleneck for solving the purification of fast pyrogenation raw coke oven gas.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to the protection domain of claims.
Claims (2)
1. a kind of achievable crude-gas sensible heat recycling and the fast pyrogenation furnace system of dedusting, it is characterised in that including fast pyrogenation
Stove and as-fired coal material and raw coke oven gas heat exchanger；
The fast pyrogenation stove includes fast pyrogenation furnace body, and fast pyrogenation stove feed inlet is equipped with the top of the fast pyrogenation furnace body,
The fast pyrogenation bottom of furnace body is equipped with fast pyrogenation furnace discharge mouth and raw coke oven gas exports, and is set in the fast pyrogenation stove in lower part
The pyrolytic carbon that the prestores bed of material；
The as-fired coal material includes heat exchanger outer wall with raw coke oven gas heat exchanger, and heat exchanger is internally provided with rotating device, the heat exchange
The top of device outer wall is equipped with into furnace cooling coal charge entrance and raw coke oven gas outlet, and the bottom of the heat exchanger outer wall is equipped with raw coke oven gas entrance
Enter the outlet of stove hot coal material with after heat exchange；
The raw coke oven gas outlet of the pyrolysis oven is connected with the raw coke oven gas entrance of the heat exchanger by delivery line, after the heat exchange
Enter the outlet of stove hot coal material to be connected with the fast pyrogenation stove feed inlet.
2. achievable crude-gas sensible heat recycling according to claim 1 and the fast pyrogenation furnace system of dedusting, its feature exist
In the raw coke oven gas outlet of the heat exchanger is connected by outlet conduit with bag-type dust removal system, the bag-type dust removal system and coal
Gas cleaning system connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060874.1U CN207330841U (en) | 2017-08-23 | 2017-08-23 | A kind of fast pyrogenation furnace system of achievable crude-gas sensible heat recycling and dedusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060874.1U CN207330841U (en) | 2017-08-23 | 2017-08-23 | A kind of fast pyrogenation furnace system of achievable crude-gas sensible heat recycling and dedusting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207330841U true CN207330841U (en) | 2018-05-08 |
Family
ID=62374325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721060874.1U Expired - Fee Related CN207330841U (en) | 2017-08-23 | 2017-08-23 | A kind of fast pyrogenation furnace system of achievable crude-gas sensible heat recycling and dedusting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207330841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044398A (en) * | 2022-07-12 | 2022-09-13 | 上海克硫环保科技股份有限公司 | Coking flue gas tar removal system and method |
-
2017
- 2017-08-23 CN CN201721060874.1U patent/CN207330841U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044398A (en) * | 2022-07-12 | 2022-09-13 | 上海克硫环保科技股份有限公司 | Coking flue gas tar removal system and method |
| CN115044398B (en) * | 2022-07-12 | 2023-05-23 | 上海克硫环保科技股份有限公司 | Coking flue gas tar removal system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103160301B (en) | Low-temperature carbonization apparatus and method for oil sand, oil sludge, oil shale and biomass | |
| CN103013544B (en) | Tunnel pipe thin-layer retort for coal and oil shale and retort process thereof | |
| CN104178193B (en) | Coal gas circulation coal wholegrain radial sector pyrolysis coupling formcoke from hot briquetting preparation technology and system | |
| CN104449782B (en) | Pyrolysis dust removal system and pyrolysis dust removal method based on coupling of small-size coal pyrolysis and raw gas dust removal | |
| CN103980912A (en) | Destructive distillation method and device for brown coal | |
| CN104524908B (en) | A kind of film dust arrester and utilize the pyrolytic process of coal of this film dust arrester | |
| CN107388249A (en) | A kind of continous way organic matter pyrolysis combustion integrative device and method | |
| CN104762109B (en) | It is pyrolyzed the group technology and device of the dedusting of coal gas and the delayed coking of mink cell focus | |
| CN201343520Y (en) | Flash dry distillation technology device of oil shale | |
| CN105018119B (en) | Hot low temperature downlink pyrolysis oven outside fine coal oil shale powder | |
| CN207330841U (en) | A kind of fast pyrogenation furnace system of achievable crude-gas sensible heat recycling and dedusting | |
| CN107502381A (en) | A kind of tar slag pyrolysis installation | |
| CN205328941U (en) | Pyrolysis equipment | |
| CN104593026B (en) | A kind of scale low order fine coal low temperature pyrogenation device and method | |
| CN107641520B (en) | Method for producing semi-coke by carbonizing lump coal by using vertical circular furnace | |
| CN107760344B (en) | System and method for preparing coal tar gas by coupling pulverized coal pyrolysis and dust removal | |
| CN206295742U (en) | A kind of dust-laden is pyrolyzed the full oil wash system of oil gas | |
| CN102851048B (en) | A kind of gas purge system realizing slag heat utilization | |
| CN103173238B (en) | Thermal pyrolysis method for Fischer-Tropsch synthesis reaction wax residue | |
| CN104774631B (en) | Dedusting technique of rotary furnace for producing blind coal from powder coal | |
| CN106987280A (en) | A kind of system and method for fluid bed refuse pyrolysis | |
| CN206970545U (en) | A kind of system of fluid bed refuse pyrolysis | |
| CN106635111A (en) | Novel system for co-producing liquid fuel and biochar by biomass pyrolysis | |
| CN205774328U (en) | Fine coal fast pyrolysis systems | |
| CN204417407U (en) | A kind of mass-producing low order fine coal low temperature pyrogenation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20180823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |