CN206244726U - Waste rubber powder realizes the device of catalytic pyrolysis oil gas coproduction in fluidized state - Google Patents
Waste rubber powder realizes the device of catalytic pyrolysis oil gas coproduction in fluidized state Download PDFInfo
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- CN206244726U CN206244726U CN201621327403.8U CN201621327403U CN206244726U CN 206244726 U CN206244726 U CN 206244726U CN 201621327403 U CN201621327403 U CN 201621327403U CN 206244726 U CN206244726 U CN 206244726U
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- cracking
- rubber powder
- gas
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- catalytic pyrolysis
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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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- 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
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The utility model provides the device and method that a kind of waste rubber powder realizes catalytic pyrolysis oil gas coproduction in fluidized state, and rubber powder is sufficiently stirred for catalyst, and bed body is heated to required temperature by hot systems to be added, opens charging valve, realizes the catalytic pyrolysis of rubber powder.Cracking reaction unit used is all rotary kiln and general resistance-type heating furnace at present, and cracking reaction efficiency is low, and reaction is incomplete.Fluidization technique of the present utility model uses for reference fluidized-bed reaction principle, and fluidizing gas is entered from bottom, and cracking material is in into fluidisation state, accelerates cracking reaction speed, makes cracking reaction more abundant.Another innovation of the present apparatus is that middle air pressure uniform board can go for different cracking materials with dismounting and change, a cracking sleeve.The present apparatus can reach the purpose of constant temperature cracking, will crack sleeve and be heated to material and catalyst are added in device after assigned temperature cracked.The quality and quality of the cracking oil product for so obtaining all increase.
Description
Technical field
The utility model discloses the device that a kind of waste rubber powder realizes catalytic pyrolysis oil gas coproduction under fluidized state.
Background technology
The development of transportation, gives people life and brings great convenience, and at the same time also brings waste old
The continuous growth of quantity.The presence of junked tire not only occupies a large amount of soils, and seriously threatens environment.Waste old
The place grown there is provided mosquito is piled up, and the fire for causing also happens occasionally because waste old catches fire, while rubber combustion
During can produce substantial amounts of carcinogen, polycyclic aromatic hydrocarbon, cause serious environmental pollution.
In recent years, research of the various countries in terms of scrap rubber pyrolysis has made some progress, and the pyrolysis of scrap rubber has many sides
Method, such as vacuum cracking, hydrocracking, autothermal cracking, dry cracking, low temperature pyrolyzer, superheated steam gas crack, coal copyrolysis and
Plasma pyrolysis etc.；Can be divided into external-heat and internal heat type again according to mode of heating；Carrying out thermal cracking to waste rubber powder can obtain
To fuel gas, the regenerated resources such as fuel oil, carbon black and steel wire, these regenerated resources may be used to fuel or chemical industry former material
Material.Junked tire treating capacity is big, applied widely, product is wide in variety, waste volume reduction amount is big.Not only there is obvious Environmental Effect
Benefit, and economic benefit is also very considerable.
For thermal cracking use reactor types also have a lot, such as fixed bed, rotary kiln, moving bed, melt bath and stream
Change bed etc..The cleavage method of waste old is different, and corresponding cracking technology and equipment have many difference.But current cracking sets
Standby lysis efficiency is very low, wastes many resources and the energy.
Utility model content
In view of the shortcomings of the prior art, the utility model is realized using the catalytic pyrolysis that the method for fluidisation carries out junked tire
The device of oil gas coproduction.
The technical solution adopted in the utility model is：
A kind of waste rubber powder realizes the device of catalytic pyrolysis oil gas coproduction, including an air preheat under fluidized state
Cylinder, is provided with one and is sleeved on its internal cracking sleeve at the top of described air preheat cylinder, and described cracks the upper of sleeve
Side is provided with feed bin and catalyst storehouse, and described feed bin and the bottom in catalyst storehouse is connected with a teeter chamber, described stirring
The bottom of room connect with cracking sleeve inner, and the smoke exhaust pipe for being additionally provided with above described cracking sleeve and being connected inside it；
The bottom of described cracking sleeve is an even gas distribution plate, and described even gas distribution plate makes gas be evenly distributed on cracking sleeve
Cross section on, the bottom of described air preheat cylinder is provided with a gas access, and described gas access is connected with source nitrogen.
Further, described air preheat cylinder is externally provided with a resistance-type heating furnace and it is heated.
Further, an inlet valve is provided with below described teeter chamber.
Further, the pipeline that described source nitrogen is connected with gas access is provided with a preheating device.
Further, described even gas distribution plate is the bottom for being detachably arranged in cracking sleeve.
Further, a nitrogen gas control valve is additionally provided with the pipeline that described source nitrogen is connected with gas access.
Even gas distribution plate is set in sleeve is cracked, makes cracking sleeve that isobaric air compartment is formed in certain distance, air is equal
It is even to be distributed on the cross section of cracking sleeve, and enough dynamic heads are provided, material is uniformly fluidized.Top sets charging system
System realizes that constant temperature is cracked；Bottom is connected with high-temperature gas, and high efficient heat exchanging and efficient mass transfer are realized by with tire glue powder directly contact,
Rubber powder is carried out catalytic cracking reaction, improve value-added product --- the yield of cracked oil.
The method for carrying out specific vulcanization cracking using said apparatus is as follows：
(1) rubber powder granule for being divided into different meshes after tire glue powder is by crushing enters feeding chamber；Catalyst is also carried out
Enter catalyst storehouse after corresponding treatment；Then catalyst together enters stir storehouse with tire glue powder, carries out uniform stirring；
(2) after cracking sleeve is heated to preset temperature, inlet valve is opened so that material is uniformly scattered in air pressure
On uniform board, high temperature nitrogen causes cracking set after gas preheating cylinder reaches preset temperature in the presence of air pressure uniform board
The pressure chambers such as cylinder formation, by flowing driven wheel tire rubber powder and the fluidisation of catalyst mixture material of high temperature nitrogen, realize efficient
Cracking.
Further, can be reached with the quantity suitable fluidising air velocity of cooperation by changing the form of the cloth hole on air pressure uniform board
To cracking different meshes, the effect of variety classes material.
Further, it is passed through the inert atmosphere that nitrogen has been completely secured thermal cracking below cracking sleeve so that the cracking of generation
Product is more high-quality.
The beneficial effects of the utility model are as follows：
With catalyst be sufficiently stirred for rubber powder by the utility model, and hot systems to be added are heated to required temperature by sleeve is cracked
Degree, opens charging valve, realizes the catalytic pyrolysis of rubber powder.Cracking reaction unit used is all rotary kiln and general resistance at present
Formula heating furnace, cracking reaction efficiency is low, and reaction is incomplete；Fluidization technique of the present utility model uses for reference fluidized-bed reaction principle, from
Bottom enters fluidizing gas, and cracking material is in into fluidisation state, accelerates cracking reaction speed, makes cracking reaction more abundant.
Additionally, the air pressure uniform board of centre can go for different lysates with dismounting and change, a cracking sleeve
Material.The present apparatus can reach the purpose of constant temperature cracking, will crack after sleeve is heated to assigned temperature and add material with catalyst
Enter and cracked in device.The quality and quality of the cracking oil product for so obtaining all increase.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is that waste rubber powder realizes catalytic pyrolysis oil gas combined production device figure under fluidized state；
Fig. 2 is that waste rubber powder realizes catalytic pyrolysis oil gas joint production process flow chart under fluidized state；
Fig. 3 test temperatures are 550 DEG C of distribution feelings of pyrolysis product oil when catalyst n aOH contents are 35% or so
Condition；
In figure：1, feed bin 2, catalyst storehouse 3, teeter chamber 4, smoke exhaust pipe 5, cracking sleeve 6, resistance-type heating furnace 7,
Air preheat cylinder 8, even gas distribution plate 9, gas access.
Specific embodiment
The utility model is described in detail below in conjunction with the accompanying drawings；
Waste rubber powder disclosed in the utility model realizes the device of catalytic pyrolysis oil gas coproduction under fluidized state, this suit
Put and be divided into external heat system, internal fluidisation system, the charging system on top composition, internal fluidization system is divided into top again
Cracking sleeve arrangement and the air preheater of bottom, the cracking sleeve arrangement on top use bolt with the gas preheating cylinder of bottom
It is seamlessly connected, the cracking sleeve arrangement bottom on top has a demountable air pressure uniform board, can change multi-form
Air pressure uniform board realizing different fluidized states.When preparation cracking rubber powder carries out oil gas co-production technology, using outer
Internal fluidization system is heated to assigned temperature by the heating system in portion, opens the charging valve on top so that material is in gravity
The lower nature of effect is distributed on the air pressure uniform board in fluidization system, while opening the nitrogen gas control valve of bottom so that nitrogen leads to
The rubber powder granule that crossing gas preheating cylinder and air pressure uniform board will crack is dispelled and carries out fluidisation cracking, and the cracking gas after cracking leads to
Cross smoke exhaust pipe and enter condenser system, carry out following condensation dedusting and collect work.Solid breeze produced by cracking falls in gas
On pressure uniform board, experiment can be obtained by dismantling cracking sleeve after completing on air pressure uniform board.The feed system on top
The stirring of rubber powder and catalyst can be carried out under the drive of motor, after rubber powder stirs with catalyst, then charging is opened
Valve is fed, and the more excellent cracked oil of quality, the cracking gas higher with heat energy are obtained by the effect of catalyst.
Specific structure is as follows：
As shown in figure 1, including an air preheat cylinder 7, being provided with one at the top of described air preheat cylinder 7 and being sleeved on
Its internal cracking sleeve 5, the top of described cracking sleeve 5 is provided with feed bin 1 and catalyst storehouse 2, described feed bin 1 and catalysis
The bottom in agent storehouse 2 is connected with a teeter chamber 3, and the bottom of described teeter chamber 3 connects with the inside of cracking sleeve 5, and described
The top of cracking sleeve 5 be additionally provided with and its internal smoke exhaust pipe 4 for connecting；The bottom of described cracking sleeve 5 is a gas
Uniform board 8, the bottom of described air preheat cylinder 7 is provided with a gas access 9, and described gas access 9 is connected with source nitrogen.
Nitrogen in even gas distribution plate certain distance in sleeve is cracked by forming isobaric wind after even gas distribution plate
Room, gas is uniform, and material also just can be fluidized uniformly so that more completely, the cracking oil quality of generation is more for cracking
It is high.
Feed bin 1, catalyst storehouse 2 and teeter chamber 3 in the device are installed in the top of cracking sleeve 5 and air preheat cylinder 7
Portion, is specifically shown in accompanying drawing 1.
Further, described air preheat cylinder is externally provided with a resistance-type heating furnace 6 and it is heated.
Further, an inlet valve is provided with below described teeter chamber.
Further, the pipeline that described source nitrogen is connected with gas access is provided with a preheating device.
Further, described even gas distribution plate is the bottom for being detachably arranged in cracking sleeve.
Further, described feed bin 1 is used to contain tire glue powder, and catalyst storehouse 2 is used for holding catalyst, teeter chamber master
If for tire glue powder and catalyst to be stirred.
Further, the cracking gas after cracking enters condenser system by smoke exhaust pipe, carry out following condensation dedusting with
Collect work
Even gas distribution plate 8 is set in the bottom of cracking sleeve 5, makes cracking sleeve that isobaric air compartment is formed in certain distance,
Air is evenly distributed on each cross section of cracking sleeve, and provides enough dynamic heads, material is uniformly fluidized.Top
Feed system is set and realizes that constant temperature is cracked；Bottom is connected with high-temperature gas, and high efficient heat exchanging is realized by with tire glue powder directly contact
And efficient mass transfer, rubber powder is carried out catalytic cracking reaction, improve value-added product --- the yield of cracked oil.
Fluidising air velocity is that, by the quality of material, the size of particle and the various attribute coefficients of material are calculated by formula
What the critical fludization velocity come got, the speed of nitrogen is then controlled by the gas flow meter on nitrogen cylinder, make up to meter
Critical fludization velocity obtained by calculating.
Specific cleavage method is as shown in Fig. 2 as follows：
(1) tire glue powder is divided into the rubber powder granule of different meshes after being crushed by one-level, two grades, three-level, into charging
System, catalyst together enters the agitating device of charging system with rubber powder after being also carried out processing accordingly, carry out uniform stirring；
(2) after cracking sleeve is heated to preset temperature, inlet valve is opened so that it is equal that material is uniformly scattered in air pressure
On fabric swatch, high temperature nitrogen causes cracking sleeve after gas preheating cylinder reaches preset temperature in the presence of air pressure uniform board
The pressure chambers such as formation, by flowing driven wheel tire rubber powder and the fluidisation of catalyst mixture material of high temperature nitrogen, realize efficiently splitting
Solution.
Further, can be reached with the quantity suitable fluidising air velocity of cooperation by changing the form of the cloth hole on air pressure uniform board
To cracking different meshes, the effect of variety classes material.
Further, it is passed through the inert atmosphere that nitrogen has been completely secured thermal cracking below cracking sleeve so that the cracking of generation
Product is more high-quality.
A kind of waste rubber powder described in the present embodiment realizes that catalytic pyrolysis oil gas co-production technology is as follows under fluidized state：
Whole damaged tire is chosen as raw material, broken pre- place is carried out to tyre material by high-efficiency low energy consumption crushing system
Reason, broken rear tyre rubber powder size can be controlled in below 3-5mm, and the tire glue powder after crushing adds the charging system on top
System, catalyst addition system is added to according to catalyst content 10%, 15%, 25%, 35%, 45%, 50%, then carries out glue
The stirring of powder and catalyst, by heating system heats in the material for stirring spilt into cracking sleeve after 550 DEG C, then
Nitrogen is passed through, is that material enters fluidized state, carry out catalytic cracking reaction, generation carbon black, cracked oil and not condensible gas.No
Different pyrolysis product distribution obtained by same catalyst content, it is 35% in catalyst n aOH contents that test temperature is 550 DEG C
The distribution situation of pyrolysis product oil is preferably such as Fig. 3 when left and right.
It is not new to this practicality although above-mentioned be described with reference to accompanying drawing to specific embodiment of the present utility model
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Various modifications or deform still in protection model of the present utility model that field technique personnel make by need not paying creative work
Within enclosing.
Claims (6)
1. a kind of waste rubber powder realizes the device of catalytic pyrolysis oil gas coproduction in fluidized state, it is characterised in that including a sky
Gas preheats cylinder, and being provided with one at the top of described air preheat cylinder is sleeved on its internal cracking sleeve, described cracking set
The top of cylinder is provided with feed bin and catalyst storehouse, and described feed bin and the bottom in catalyst storehouse is connected with a teeter chamber, described
The bottom of teeter chamber connect with cracking sleeve inner, and row for being additionally provided with above described cracking sleeve and being connected inside it
Smoke pipe；The bottom of described cracking sleeve is an even gas distribution plate, and described even gas distribution plate is evenly distributed on gas to split
Solve on the cross section of sleeve, the bottom of described air preheat cylinder is provided with a gas access, described gas access and nitrogen
Source is connected.
2. waste rubber powder as claimed in claim 1 realizes the device of catalytic pyrolysis oil gas coproduction in fluidized state, and its feature exists
In described air preheat cylinder is externally provided with a resistance-type heating furnace and it is heated.
3. waste rubber powder as claimed in claim 1 realizes the device of catalytic pyrolysis oil gas coproduction in fluidized state, and its feature exists
In being provided with an inlet valve below described teeter chamber.
4. waste rubber powder as claimed in claim 1 realizes the device of catalytic pyrolysis oil gas coproduction in fluidized state, and its feature exists
In the pipeline that described source nitrogen is connected with gas access is provided with a preheating device.
5. waste rubber powder as claimed in claim 1 realizes the device of catalytic pyrolysis oil gas coproduction in fluidized state, and its feature exists
In described even gas distribution plate is the bottom for being detachably arranged in cracking sleeve.
6. waste rubber powder as claimed in claim 1 realizes the device of catalytic pyrolysis oil gas coproduction in fluidized state, and its feature exists
In being additionally provided with a nitrogen gas control valve on the pipeline that described source nitrogen is connected with gas access.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327403.8U CN206244726U (en) | 2016-12-06 | 2016-12-06 | Waste rubber powder realizes the device of catalytic pyrolysis oil gas coproduction in fluidized state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327403.8U CN206244726U (en) | 2016-12-06 | 2016-12-06 | Waste rubber powder realizes the device of catalytic pyrolysis oil gas coproduction in fluidized state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206244726U true CN206244726U (en) | 2017-06-13 |
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ID=59003698
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621327403.8U Expired - Fee Related CN206244726U (en) | 2016-12-06 | 2016-12-06 | Waste rubber powder realizes the device of catalytic pyrolysis oil gas coproduction in fluidized state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206244726U (en) |
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2016
- 2016-12-06 CN CN201621327403.8U patent/CN206244726U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20191206 |