CN106091672B - Rotary reaction furnace hot air heating system - Google Patents
Rotary reaction furnace hot air heating system Download PDFInfo
- Publication number
- CN106091672B CN106091672B CN201610627279.5A CN201610627279A CN106091672B CN 106091672 B CN106091672 B CN 106091672B CN 201610627279 A CN201610627279 A CN 201610627279A CN 106091672 B CN106091672 B CN 106091672B
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- China
- Prior art keywords
- stove
- hot
- chuck
- pyrolysis oven
- heating system
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The present invention relates to a kind of rotary reaction furnace hot air heating systems, it includes recuperation of heat stove（1）, water removal stove（2）And pyrolysis oven（3）, the pyrolysis oven（3）It is provided outside fuel gas hot-blast stove（4）, the fuel gas hot-blast stove（4）On be connected with combustion gas inlet pipe（5）And air inlet lines（6）, the fuel gas hot-blast stove（4）With pyrolysis oven（3）Chuck between pass through hot wind outlet pipe（9）It is connected, the pyrolysis oven（3）Chuck with water removal stove（2）Chuck between pass through the first connecting tube（10）With the second connecting tube（11）It is connected, the water removal stove（2）Chuck and fuel gas hot-blast stove（4）Between pass through backwind tube（15）It is connected.A kind of rotary reaction furnace hot air heating system of the present invention, hot blast temperature is high, and material is heated soon, and the thermal efficiency is up to 85%, can reduce energy consumption with the effectively save energy, may finally improve the economic benefit of product.
Description
Technical field
The present invention relates to a kind of rotary reaction furnace hot air heating system, can be adapted for hydrogen fluoride production, raw coal pyrolysis or
The industries such as dry materials belong to rotary reaction furnace process equipment technical field.
Background technology
China is the country of a rich coal resources and petroleum and natural gas resource scarcity relatively.In recent years, with me
The worsening of state's northern area atmospheric environment, the directly burning to reduce coal utilizes, using the skill for converting coal into oil or gas
Art increasingly obtains the attention of domestic scholars.Converting coal into oil or the method for gas at present has very much, mainly have coal direct or
The method for connecing liquefaction production oil or gas, however, this method investment is big, high energy consumption, efficiency are low；In addition, also have using traditional vertical
Stove carry out pyrolysis of coal method, but this method also there are oil yield it is low, the shortcomings of fine coal can not be handled.Now, domestic many machines
The method that structure and scholar begin one's study using rotary furnace equipment progress improving quality of coal by pyrolysis production coal tar, coal gas and upgraded coal, should
Method has many advantages, such as to invest low, oil productivity and factor of created gase height, can handle fine coal, therefore has good prospect, obtains
More and more to pay attention to, still, country's improving quality of coal by pyrolysis rotary furnace heat exchange efficiency is generally relatively low at present, and energy waste is serious, cigarette
Chimney excessive discharge temperature, has greater environmental impacts, this is also that puzzlement rotary furnace improving quality of coal by pyrolysis technique can not industrialize stable fortune
One of capable key issue.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of rotary reaction furnace Hot-blast Heating for the above-mentioned prior art
System, hot blast temperature is high, and material is heated soon, and the thermal efficiency is up to 85%, can be reduced energy consumption with the effectively save energy, finally may be used
To improve the economic benefit of product.
Technical solution is used by the present invention solves the above problems：A kind of rotary reaction furnace hot air heating system, it is wrapped
Recuperation of heat stove, water removal stove and pyrolysis oven are included, the recuperation of heat stove, water removal stove and pyrolysis oven are described using swinging reacting furnace
It removes water and is connected with dry coal pipeline between the furnace body of stove and the furnace body of pyrolysis oven, the pyrolysis oven is provided outside gas hot-air
Stove is connected with the chuck of combustion gas inlet pipe and air inlet lines, the fuel gas hot-blast stove and pyrolysis oven on the fuel gas hot-blast stove
Between be connected by hot wind outlet pipe, pass through the first connecting tube and second between the chuck of the pyrolysis oven and the chuck for removing water stove
Connecting tube is connected, and is connected between the chuck and fuel gas hot-blast stove of the water removal stove by backwind tube.
Be provided with air blower and air preheater on the air inlet lines, the air preheater be located at air blower with
Between fuel gas hot-blast stove.
The fuel gas hot-blast stove is provided outside exhaust chimney, passes through smoke exhaust pipe between the exhaust chimney and air preheater
It is connected
It is connected between the air preheater and the first connecting tube by shunt valve.
Circulating fan is provided on the backwind tube.
Nitrogen inlet is provided on the recuperation of heat stove, is passed through between the chuck of the recuperation of heat stove and the furnace body for removing water stove
Nitrogen outlet pipe is connected.
Nitrogen heater is provided in the nitrogen outlet pipe.
Supplement nitrogen tube is provided on the nitrogen inlet.
The first hollow gas port is provided on the chuck of the pyrolysis oven.
The second hollow gas port is provided on the chuck of the water removal stove.
Compared with prior art, the advantage of the invention is that：
A kind of rotary reaction furnace hot air heating system of the present invention, hot blast temperature is high, material is heated soon, the thermal efficiency is up to
85%, can energy consumption be reduced with the effectively save energy, the economic benefit of product may finally be improved.
Description of the drawings
Fig. 1 is a kind of structure diagram of rotary reaction furnace hot air heating system of the present invention.
Wherein：
Recuperation of heat stove 1
Remove water stove 2
Pyrolysis oven 3
Fuel gas hot-blast stove 4
Combustion gas inlet pipe 5
Air inlet lines 6
Air blower 7
Air preheater 8
Hot wind outlet pipe 9
First connecting tube 10
Second connecting tube 11
Dry coal pipeline 12
Exhaust chimney 13
Smoke exhaust pipe 14
Backwind tube 15
Circulating fan 16
First hollow gas port 17
Second hollow gas port 18
Nitrogen inlet 19
Supplement nitrogen tube 20
Nitrogen outlet pipe 21
Nitrogen heater 22
Shunt valve 23.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing embodiment.
As shown in Figure 1, a kind of rotary reaction furnace hot air heating system in the present embodiment, it includes recuperation of heat stove 1, water removal
Stove 2 and pyrolysis oven 3, the recuperation of heat stove 1, water removal stove 2 and pyrolysis oven 3 are using swinging reacting furnace, the stove of the water removal stove 2
Dry coal pipeline 12 is connected between the furnace body of body and pyrolysis oven 3, the pyrolysis oven 3 is provided outside fuel gas hot-blast stove 4, institute
It states and combustion gas inlet pipe 5 and air inlet lines 6 is connected on fuel gas hot-blast stove 4, the chuck of the fuel gas hot-blast stove 4 and pyrolysis oven 3
Between be connected by hot wind outlet pipe 9, pass through the first connecting tube 10 between the chuck of the pyrolysis oven 3 and the chuck for removing water stove 2
It is connected with the second connecting tube 11, is connected between the water removal chuck of stove 2 and fuel gas hot-blast stove 4 by backwind tube 15.
Air blower 7 and air preheater 8 are provided on the air inlet lines 6, the air preheater 8 is located at air wind
Between machine 7 and fuel gas hot-blast stove 4；
The fuel gas hot-blast stove 4 is provided outside exhaust chimney 13, passes through between the exhaust chimney 13 and air preheater 8
Smoke exhaust pipe 14 is connected；
It is connected between the air preheater 8 and the first connecting tube 10 by shunt valve 23；
Circulating fan 16 is provided on the backwind tube 15；
Be provided with nitrogen inlet 19 on the recuperation of heat stove 1, the chuck of the recuperation of heat stove 1 and the furnace body of water removal stove 2 it
Between be connected by nitrogen outlet pipe 21, be provided with nitrogen heater 22 in the nitrogen outlet pipe 21；
Supplement nitrogen tube 20 is provided on the nitrogen inlet 19；
The first hollow gas port 17 is provided on the chuck of the pyrolysis oven 3, second is provided on the chuck of the water removal stove 2
Hollow gas port 18.
Technological process：First, combustion gas and hot-air are respectively enterd in fuel gas hot-blast stove, are fully burnt after igniting, are generated
1200 DEG C of high-temperature flue gas.Next, the outer layer chuck that high-temperature flue gas enters pyrolysis oven heats material, and the flue gas after cooling enters
Water removal stove outer layer chuck in re-utilize, by remove water stove outer layer chuck cooling after flue gas pressurizeed again with circulating fan,
Be returned in fuel gas hot-blast stove, adjustment air door so that mixed flue gas temperature reaches the temperature required by technic index, such as 450 ~
900 DEG C, hot wind is claimed in this flue gas process, the chuck that hot wind introduces pyrolysis oven heats reaction mass, reaches needed for Chemical Manufacture
Reaction temperature condition.While hot wind heats material in pyrolysis oven, hot wind self-temperature reduces, in order to make full use of heat
Can, it is energy saving, to being pressurizeed by circulating fan by the used hot wind of pyrolysis oven, wherein low temperature hot wind is back into combustion all the way
The high-temperature flue gas generated in gas and hot air stove by fuel gas buring is sufficiently mixed, to reach the hot-blast outlet wind-warm syndrome of technological requirement, separately
The low temperature hot wind that a part is cooled down by pyrolysis oven chuck, by by air preheater to combustion air heating recovery low temperature hot wind
Waste heat heats the temperature of combustion-supporting cold air, and when hot blast temperature is reduced to 180 degree or so, air is discharged by chimney.
In addition to the implementation, it is all to use equivalent transformation or equivalent replacement present invention additionally comprises there is an other embodiment
The technical solution that mode is formed should all be fallen within the scope of the hereto appended claims.
Claims (10)
1. a kind of rotary reaction furnace hot air heating system, it is characterised in that：It includes recuperation of heat stove（1）, water removal stove（2）And pyrolysis
Stove（3）, the recuperation of heat stove（1）, water removal stove（2）And pyrolysis oven（3）Using swinging reacting furnace, the water removal stove（2）'s
Furnace body and pyrolysis oven（3）Furnace body between be connected with dry coal pipeline（12）, the pyrolysis oven（3）It is provided outside combustion gas heat
Wind furnace（4）, the fuel gas hot-blast stove（4）On be connected with combustion gas inlet pipe（5）And air inlet lines（6）, the fuel gas hot-blast stove
（4）With pyrolysis oven（3）Chuck between pass through hot wind outlet pipe（9）It is connected, the pyrolysis oven（3）Chuck with water removal stove（2）
Chuck between pass through the first connecting tube（10）With the second connecting tube（11）It is connected, the water removal stove（2）Chuck and combustion gas
Hot-blast stove（4）Between pass through backwind tube（15）It is connected；
Technological process：
First, combustion gas and hot-air are respectively enterd in fuel gas hot-blast stove, are fully burnt after igniting, generate 1200 DEG C of high temperature cigarette
Gas；
Next, the outer layer chuck that high-temperature flue gas enters pyrolysis oven heats material, and the flue gas after cooling enters water removal stove outer layer folder
Re-utilized in set, by remove water stove outer layer chuck cooling after flue gas pressurizeed again with circulating fan, be returned to combustion gas heat
In wind furnace, adjustment air door is so that mixed flue gas temperature reaches the temperature required by technic index, 450 ~ 900 DEG C, this flue gas process
Upper title hot wind, the chuck that hot wind introduces pyrolysis oven heat reaction mass, reach the reaction temperature condition needed for Chemical Manufacture；
While hot wind heats material in pyrolysis oven, wherein low temperature hot wind is back into passing through combustion gas in fuel gas hot-blast stove all the way
The high-temperature flue gas that burning generates is sufficiently mixed, and to reach the hot-blast outlet wind-warm syndrome of technological requirement, another part is by pyrolysis oven chuck
The low temperature hot wind of cooling by the waste heat by air preheater to combustion air heating recovery low temperature hot wind, heats combustion-supporting cold sky
When hot blast temperature is reduced to 180 degree, air is discharged by chimney for the temperature of gas.
2. a kind of rotary reaction furnace hot air heating system according to claim 1, it is characterised in that：The air inlet lines
（6）On be provided with air blower（7）And air preheater（8）, the air preheater（8）Positioned at air blower（7）With combustion gas
Hot-blast stove（4）Between.
3. a kind of rotary reaction furnace hot air heating system according to claim 2, it is characterised in that：The fuel gas hot-blast stove
（4）It is provided outside exhaust chimney（13）, the exhaust chimney（13）With air preheater（8）Between pass through smoke exhaust pipe（14）It is connected
It connects.
4. a kind of rotary reaction furnace hot air heating system according to claim 2, it is characterised in that：The air preheater
（8）With the first connecting tube（10）Between pass through shunt valve（23）It is connected.
5. a kind of rotary reaction furnace hot air heating system according to claim 1, it is characterised in that：The backwind tube（15）
On be provided with circulating fan（16）.
6. a kind of rotary reaction furnace hot air heating system according to claim 1, it is characterised in that：The recuperation of heat stove
（1）On be provided with nitrogen inlet（19）, the recuperation of heat stove（1）Chuck with water removal stove（2）Furnace body between gone out by nitrogen
Pipe（21）It is connected.
7. a kind of rotary reaction furnace hot air heating system according to claim 6, it is characterised in that：The nitrogen outlet pipe
（21）On be provided with nitrogen heater（22）.
8. a kind of rotary reaction furnace hot air heating system according to claim 6, it is characterised in that：The nitrogen inlet
（19）On be provided with supplement nitrogen tube（20）.
9. a kind of rotary reaction furnace hot air heating system according to claim 1, it is characterised in that：The pyrolysis oven（3）
Chuck on be provided with the first hollow gas port（17）.
10. a kind of rotary reaction furnace hot air heating system according to claim 1, it is characterised in that：The water removal stove（2）
Chuck on be provided with the second hollow gas port（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627279.5A CN106091672B (en) | 2016-08-03 | 2016-08-03 | Rotary reaction furnace hot air heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627279.5A CN106091672B (en) | 2016-08-03 | 2016-08-03 | Rotary reaction furnace hot air heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106091672A CN106091672A (en) | 2016-11-09 |
| CN106091672B true CN106091672B (en) | 2018-05-22 |
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| CN201610627279.5A Active CN106091672B (en) | 2016-08-03 | 2016-08-03 | Rotary reaction furnace hot air heating system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109135778B (en) * | 2018-09-06 | 2020-08-28 | 西安三瑞实业有限公司 | Reaction control system and method for external heating type rotary furnace dry distillation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2797642B1 (en) * | 1999-08-16 | 2003-04-11 | Inst Francais Du Petrole | METHOD AND INSTALLATION FOR PRODUCING A COMBUSTIBLE GAS FROM A FEED RICH IN ORGANIC MATTER |
| CN202626104U (en) * | 2012-06-16 | 2012-12-26 | 榆林学院 | Dry distillation oven device for coal pyrolysis by using argon |
| CN103072953A (en) * | 2013-02-05 | 2013-05-01 | 广西藤县雅照钛白有限公司 | Method for directly preparing sulfate and ferric oxide by ferrous sulfate |
| CN104789244B (en) * | 2015-04-13 | 2017-11-21 | 陕西煤业化工集团神木天元化工有限公司 | A kind of rotary furnace pulverized coal pyrolysis with coal gas circulation produces anthracite method |
| CN105038828B (en) * | 2015-07-14 | 2016-05-18 | 朱绍辉 | A kind of swinging indirect low-order coal low temperature pyrogenation system and method |
| CN105713629B (en) * | 2016-03-31 | 2019-01-18 | 陕西煤业化工集团神木天元化工有限公司 | A kind of steam thermal coupling pulverized coal pyrolysis method |
| CN206001892U (en) * | 2016-08-03 | 2017-03-08 | 江苏柯恒石化电力机械有限公司 | Rotary reaction furnace hot air heating system |
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