CN207192806U - A kind of system that calcium carbide is produced using biomass pyrolytic - Google Patents
A kind of system that calcium carbide is produced using biomass pyrolytic Download PDFInfo
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- CN207192806U CN207192806U CN201720888123.2U CN201720888123U CN207192806U CN 207192806 U CN207192806 U CN 207192806U CN 201720888123 U CN201720888123 U CN 201720888123U CN 207192806 U CN207192806 U CN 207192806U
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- type ball
- semicoke
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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
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- 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
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Abstract
It the utility model is related to the system using biomass pyrolytic production calcium carbide.Biomass pyrolysis device has biomass inlet, semicoke outlet in the system；Lapping device has semicoke entrance, semi-coke powder outlet, and semicoke entrance connects with semicoke outlet；Mixing arrangement has semi-coke powder entrance, calcium lime powder entrance, coal powder entrance, mixed material outlet, and semi-coke powder entrance connects with semi-coke powder outlet；Shaped device has mixed material entrance, the outlet of type ball, and mixed material entrance connects with mixed material outlet；Type ball pyrolysis installation has type ball entrance, pelletizing outlet, and type ball entrance connects with the outlet of type ball；Calcium carbide smelting device has pelletizing entrance, calcium carbide outlet, and pelletizing entrance connects with pelletizing outlet.The utility model solves the environmental problem that biomass processes are brought, and can utilize semicoke production calcium carbide caused by its pyrolysis, overcomes the separately formed difficult problem of semicoke, has expanded the source of calcium carbide preparing raw material, systematic heat utilization rate and resource utilization are higher.
Description
Technical field
It the utility model is related to calcium carbide preparation field, and in particular to a kind of system that calcium carbide is produced using biomass pyrolytic.
Background technology
Calcium carbide is as a kind of important basic chemical industry raw material, mainly for the production of acetylene and ethynylation chemical product.China
The few oily deficency of energy source distribution, coal relative abundance so that calcium carbide has irreplaceable in the national economic development from now on
Important function.
At present, there is the shortcomings that high energy consumption, seriously polluted, production capacity is low, cost is high in calcium carbide production technology.Calcium carbide is smelted
Raw material based on quality block semi-coke and lump lime powder.Not only cost of material is high, and block semi-coke and calcium lime powder
Contact area is small, and rate of heat transfer is slow, causes reaction temperature high, power consumption is high.Moreover, the volatile matter in coal is most of with useless
Gas, the form of dust are discharged into air, bring serious environmental problem.
Biomass pyrolytic, typically refer under anaerobic or low-oxygen environment, biomass, which is heated up, causes molecule to decompose, production
The process of raw semicoke, tar and gaseous product, it is a kind of important utilization form of biomass energy.Semicoke has high chemistry living
The good characteristic such as property, high specific resistance, high fixed carbon, low ash, low-sulfur.These good characteristics, and the relatively low market price, make
Obtain semicoke and be widely used in calcium carbide industry.But the specific surface area of semicoke, pore volume are smaller, caking property itself is very poor, and with
Calcium lime powder mixing is difficult to be molded, and mechanical strength is also very poor, it is easy to breaking and Dusting, can not be used for electricity directly as raw material of wood-charcoal
Stone produces.
Utility model content
In view of the above problems, the utility model, which aims to provide, a kind of utilizes semicoke production calcium carbide caused by biomass pyrolytic
System.Using system of the present utility model, coupled biological matter pyrolytic technique and pyrolysis of coal technology, it is later half to solve biomass pyrolytic
Burnt formation problems, have expanded the source of carbon materials in calcium carbide preparing raw material, have improved the thermal efficiency and resource utilization of system.
The utility model provides a kind of system that calcium carbide is produced using biomass pyrolytic, and the system includes biomass thermal
Solve device, lapping device, mixing arrangement, shaped device, type ball pyrolysis installation, calcium carbide smelting device.
The biomass pyrolysis device has biomass inlet, semicoke outlet.
The lapping device has semicoke entrance, semi-coke powder outlet.The semicoke entrance and the biomass pyrolysis device
Semicoke outlet connection.
The mixing arrangement has semi-coke powder entrance, calcium lime powder entrance, coal powder entrance, mixed material outlet.Described half
The semi-coke powder outlet of coke powder entrance and the lapping device connects.
The shaped device has mixed material entrance, the outlet of type ball.The mixed material entrance and the mixing arrangement
Mixed material outlet connection.
The type ball pyrolysis installation has type ball entrance, pelletizing outlet.The type of the type ball entrance and the shaped device
Ball outlet connection.
The calcium carbide smelting device has pelletizing entrance, calcium carbide outlet.The pelletizing entrance and the type ball pyrolysis installation
Pelletizing outlet connection.
Further, in addition to hot charging device, the hot charging device are smelted with the type ball pyrolysis installation and the calcium carbide
Device connects.
Preferably, in addition to the first belt conveyor, the second belt conveyor.First belt conveyor, the second belt conveyor
It is high temperature resistant closed conveying belt.
The mixed material outlet at the top of first belt conveyor and the mixing arrangement connects.The first conveying skin
The end of band is connected with the mixed material entrance of the shaped device.
The type ball outlet at the top of second belt conveyor and the shaped device connects.Second belt conveyor
End is connected with the type ball entrance of the type ball pyrolysis installation.
Further, the semicoke exit of the biomass pyrolysis device is provided with feed weigher.The biomass pyrolytic dress
It is set to heat accumulating type rotating bed biomass pyrolysis device.The heat accumulating type rotating bed biomass pyrolysis device successively include feed zone,
Preheating zone, one area of reaction, 2nd area of reaction, 3rd area of reaction, discharge zone, wherein, the biomass inlet is located at the feed zone, institute
State semicoke outlet and be located at the discharge zone.
Further, the type ball pyrolysis installation is heat accumulating type rotating bed type ball pyrolysis installation.The heat accumulating type rotating bed
Type ball pyrolysis installation includes feed zone, preheating zone, one area of reaction, 2nd area of reaction, 3rd area of reaction, discharge zone successively, wherein, it is described
Type ball entrance is located at the feed zone, and the pelletizing outlet is located at the discharge zone.
Using system of the present utility model, the Utilizing question of generation semicoke after biomass pyrolytic is can effectively solve the problem that, is passed through
Semicoke mixes with calcium cellulosic material (calcium lime powder), middle low order coal dust, coupled biological matter pyrolytic technique and middle low-order coal pyrolytic technique,
Calcium carbide is prepared, the separately formed difficult problem of semicoke is overcome, has expanded the source of calcium carbide preparing raw material.Meanwhile solves life
The process problem of material such as agricultural crop straw, greatly reduce the problem of environmental pollution that crop straw burning is brought.
The high temperature resistant closed conveying belt set in Tthe utility model system, can ensure material in the condition of high-temperature closed
Under conveyed between different device, be effectively utilized the sensible heat of high-temperature material, greatly reduce pyrolysis and calcium carbide smelted
The energy consumption of journey, improves heat utilization efficiency and resource utilization.
Brief description of the drawings
Fig. 1 is the system schematic that the utility model produces calcium carbide using biomass pyrolytic.
Fig. 2 is the method flow schematic diagram that the utility model produces calcium carbide using biomass pyrolytic.
Reference in accompanying drawing is as follows：
1st, biomass pyrolysis device；
2nd, lapping device；
3rd, mixing arrangement；
4th, the first belt conveyor；
5th, shaped device；
6th, the second belt conveyor；
7th, type ball pyrolysis installation；
8th, hot charging device；
9th, calcium carbide smelting device.
Embodiment
Below in conjunction with drawings and examples, specific embodiment of the present utility model is described in more details, with
Just the advantages of better understood when scheme of the present utility model and its various aspects.However, specific implementations described below
Mode and embodiment are for illustrative purposes only, rather than to limitation of the present utility model.
As shown in figure 1, the system provided by the utility model that calcium carbide is produced using biomass pyrolytic, the system are included：It is raw
Material pyrolysis device 1, lapping device 2, mixing arrangement 3, shaped device 5, type ball pyrolysis installation 7, calcium carbide smelting device 9.It is preferred that
, system of the present utility model also includes the first belt conveyor 4, the second belt conveyor 6.In different embodiments of the present utility model
In, system of the present utility model also includes hot charging device 8.
Biomass pyrolysis device 1 is used to be pyrolyzed biomass material, obtains semicoke and pyrolysis oil gas product.It has biology
Matter entrance, semicoke outlet.Also, it is provided with feed in semicoke exit to claim, for weighing the quality of semicoke.It is of the present utility model
Heat accumulating type rotating bed biomass pyrolysis device is selected in embodiment, the biomass material block for pyrolysis processing.
Wherein, heat accumulating type rotating bed biomass pyrolysis device is loop configuration, its according to reaction temperature and effect difference,
Include feed zone 11, preheating zone 12, one area 13 of reaction, two areas 14 of reaction, three areas 15 of reaction, discharge zone 16 successively.Wherein, it is biological
Matter entrance is located at feed zone 11, and semicoke outlet is located at discharge zone 16.Biomass material is sent into feed zone 11 via biomass inlet
Afterwards, pyrolytic reaction is carried out by preheating zone 12, one area 13 of reaction, two areas 14 of reaction, three areas 15 of reaction successively, obtains semicoke, and
Discharge discharge zone 16 is exported via semicoke.
Lapping device 2 is used to grind the semicoke being sent into by biomass pyrolysis device 1, obtains the semi-coke powder of appropriate particle size.Grind
There is mill apparatus 2 semicoke entrance, semi-coke powder to export.Wherein, the semicoke outlet of the semicoke entrance and biomass pyrolysis device 1 connects
Connect.In embodiment of the present utility model, from flour mill.
Mixing arrangement 3 is used to receive the semi-coke powder being sent into by lapping device 2, and receives calcium lime powder, coal dust simultaneously, three kinds
After material is sufficiently mixed uniformly, mixed material is obtained.The mixing arrangement 3 has semi-coke powder entrance, calcium lime powder entrance, coal dust
Entrance, mixed material outlet.Wherein, the semi-coke powder outlet of semi-coke powder entrance and lapping device 2 connects.Also, enter in semi-coke powder
Material inlet valve is provided with mouth, calcium lime powder entrance, coal powder entrance, for controlling each material entered in mixing arrangement 3
Ratio.In embodiment of the present utility model, from intensive mixer.
Shaped device 5 is used for the mixed material for receiving the powdery being sent into by mixing arrangement 3, handles, obtains through high-pressure molding
Type ball.There is the shaped device 5 mixed material entrance, type ball to export.The mould of elliposoidal is provided with shaped device 5, is used for
The shape and specification of type ball needed for control.Wherein, the mixed material outlet of mixed material entrance and mixing arrangement 3 connects.This reality
With in new embodiment, roller briquetting machine can be selected.
Type ball pyrolysis installation 7 is used to receive the type ball being sent into by shaped device 5, carries out pyrolysis processing to type ball, is closed
The pelletizing for being used for calcium carbide and smelting of lattice, while obtain being pyrolyzed oil gas product.The type ball pyrolysis installation 7 has type ball entrance, pelletizing
Outlet.Wherein, the type ball outlet of type ball entrance and shaped device 5 connects.In embodiment of the present utility model, accumulation of heat can be selected
Formula rotating bed type ball pyrolysis installation.
Wherein, heat accumulating type rotating bed type ball pyrolysis installation is loop configuration, its according to reaction temperature and effect difference, according to
It is secondary including feed zone 71, preheating zone 72, reaction one area 73, reaction two areas 74, reaction three areas 75, discharge zone 76.Wherein, type ball
Entrance is located at feed zone 71, and pelletizing outlet is located at discharge zone 76.After type ball warp is sent into feed zone 71 by type ball entrance, pass through successively
Preheating zone 72, one area 73 of reaction, two areas 74 of reaction, three areas 75 of reaction carry out pyrolytic reaction, the pelletizing warp obtained through pyrolytic reaction
The pelletizing outlet discharge of discharge zone 76.
Calcium carbide smelting device 9, which is used for the pelletizing that reception is sent into by type ball pyrolysis installation 7, to carry out smelting production calcium carbide.The calcium carbide
There is smelting device 9 pelletizing entrance, calcium carbide to export.Wherein, the pelletizing outlet of pelletizing entrance and type ball pyrolysis installation 7 connects.System
Standby obtained calcium carbide exports via calcium carbide discharges.In embodiment of the present utility model, from closed calcium carbide furnace.
As the preferable scheme of the utility model, also include the first belt conveyor 4 and the second belt conveyor 6 in the system.
Also, the first belt conveyor 4 and the second belt conveyor 6 are high temperature resistant closed conveying belt.
Wherein, the first belt conveyor 4 and the second belt conveyor 6 are respectively provided with top and end.The top of first belt conveyor 4
Export and connect with the mixed material of mixing arrangement 3.The end of first belt conveyor 4 connects with the mixed material entrance of shaped device 5
Connect.The type ball outlet at the top of the second belt conveyor 6 and shaped device 5 connects.The end of second belt conveyor 6 is pyrolyzed with type ball
The type ball entrance connection of device 7.
The first belt conveyor 4 and the second belt conveyor 6 that the utility model is selected are high temperature resistant closed conveying belt,
When transmitting mixed material and type ball, the thermal loss of mixed material and type ball can be avoided to greatest extent.The utility model is selected
High temperature resistant closed conveying belt, it can effectively utilize mixed material and the sensible heat of type ball so that type ball enters in type ball pyrolysis installation 7
When carrying out pyrolysis processing, energy consumption cost can be substantially reduced, so as to improve the heat utilization efficiency of whole calcium carbide preparation system.
As another preferred scheme of the present utility model, the system also includes hot charging device 8.Wherein, hot charging device 8 enters
Material mouth and the pelletizing outlet of type ball pyrolysis installation 7 connect, the discharging opening of hot charging device 8 and the pelletizing entrance of calcium carbide smelting device 9
Connection.In embodiment of the present utility model, ladle is selected, for storing pelletizing.Also, hot charging device 8 can control pelletizing
Temperature reduction is less than 50 DEG C.
Such as Fig. 2, based on the system shown in Fig. 1, it is also proposed that a kind of method that calcium carbide is produced using biomass pyrolytic, including
Following steps：
(1) biomass pyrolytic prepares semicoke
By (wt% is mass percent) within biomass material drying to water content 10wt%, biomass thermal is then fed into
It is pyrolyzed in solution device 1, obtains semicoke and pyrolysis oil gas product.
In embodiment of the present utility model, biomass pyrolysis device 1 selects heat accumulating type rotating bed biomass pyrolysis device, raw
Raw material of substance enters feed zone 11 via biomass inlet first, after being preheated subsequently into preheating zone 12, successively by anti-
Ying Yiqu 13, two areas 14 of reaction, three areas 15 of reaction are pyrolyzed.
In this step, control preheating zone 12, one area 13 of reaction, two areas 14 of reaction, the temperature in three areas 15 of reaction are followed successively by：
200~300 DEG C, 400~500 DEG C, 500~600 DEG C, 600~700 DEG C so that after biomass material is preheated, heat gradually occurs
Solution reaction, produces semicoke.
(2) semicoke is ground
The semicoke that above-mentioned steps obtain after cooling, is sent into lapping device 2, the ground particle diameter that obtains is by semicoke entrance
0.074~3mm semi-coke powder.
(3) raw material mixes
Semi-coke powder is sent into mixing arrangement 3.The feed weigher that the semicoke exit of biomass pyrolysis device 1 is set, can be used
In weighing the quality of being sent into semicoke in lapping device 2, so as to the quality of semi-coke powder in controlling into mixing arrangement 3.Meanwhile respectively
Calcium lime powder and coal dust are sent into mixing arrangement 3 via calcium lime powder entrance, coal powder entrance.Wherein, calcium lime powder, coal dust
Particle diameter is 0.074~3mm.Three kinds of raw materials, through full and uniform mixing, obtain mixed material in mixing arrangement 3.
Wherein, the mass ratio of each component is in mixed material：Semi-coke powder：Calcium lime powder：Coal dust=(0.2~0.5)：1：
(0.4~0.7).In the utility model preferred embodiment, the low order coal dust from.
(4) preparative ball
The mixed material of powdery is sent into the elliposoidal mould of shaped device 5, is handled through high-pressure molding, obtain type ball.
Wherein, the type ball that prepared by the utility model is elliposoidal, and specification is 36mm × 25mm × 14mm.
In the utility model preferred embodiment, mixed material is via the first belt conveyor 4 under conditions of high-temperature closed
It is delivered in shaped device 5.The waste of heat in mixed material is avoided, is advantageous to the progress of preparative ball process.
(5) pyrolysis of type ball prepares pelletizing
By type ball warp by type ball entrance feeding type ball pyrolysis installation 7, the utility model selects heat accumulating type rotating bed type ball
Pyrolysis installation.After type ball warp is preheated by feed zone 71 into preheating zone 72, successively by one area 73 of reaction, 2nd area of reaction
74th, react three areas 75 and carry out pyrolysis processing, the pelletizing for smelting calcium carbide is prepared.Meanwhile obtain being pyrolyzed oil gas product.Ball
Group is exported via pelletizing by discharge zone 76 and discharged.
In this step, it is 300 to control preheating zone 72, one area 73 of reaction, two areas 74 of reaction, the temperature in three areas 75 of reaction successively
~400 DEG C, 500~600 DEG C, 600~700 DEG C, 800~900 DEG C.
The pulverization rate of pelletizing prepared by the utility model is less than 5%, and compression strength is more than 600N/.
In the utility model preferred embodiment, type ball can sent via condition of second belt conveyor 6 in high-temperature closed
Enter in type ball pyrolysis installation 7, so as to effectively utilize the sensible heat of type ball, save the energy consumption of pyrolysis processing reaction.
(6) pelletizing smelting prepares calcium carbide
Pelletizing is sent into calcium carbide smelting device 9, is smelted to obtain calcium carbide product.In the utility model, calcium carbide is controlled
The temperature of smelting is 1800~2200 DEG C.
In the utility model preferred embodiment, after pelletizing autotype ball pyrolysis installation 7 is discharged, hot charging device 8 is first fed into
In stored.Ladle can be selected in hot charging device 8.Temperature reduction of the pelletizing in hot charging device 8 is controlled within 50 DEG C.
Then it is sent into calcium carbide smelting device 9, is smelted via the discharging opening of hot charging device 8.
Embodiment
(1) it is within 10wt% by stalk drying to water content, and is sent into heat accumulating type rotating bed biomass pyrolysis device
It is pyrolyzed, obtains semicoke.
(2) it is 0.074~3mm to be sent into semicoke and be ground to particle diameter in flour mill, obtains semi-coke powder.
(3) it is 0.5 according to quality accounting by semi-coke powder, calcium lime powder, middle low order coal dust:1:0.4 is sent into intensive mixer
In full and uniform mixing, obtain mixed material.
(4) by mixed material via high temperature resistant closed conveying Belt Conveying into forming machine, carry out high-pressure molding, advised
Lattice are 36mm × 25mm × 14mm elliposoidal type ball.
(5) feed zone by type ball warp by high temperature resistant closed conveying Belt Conveying to heat accumulating type rotating bed type ball pyrolysis installation
In, and obtain pelletizing through pyrolytic reaction by preheating zone, one area of reaction, 2nd area of reaction, 3rd area of reaction successively.Pelletizing pulverization rate
For 4.7%, compression strength is 652N/.
(6) pelletizing to be sent into ladle through discharge zone, temperature is reduced to 860 DEG C, is then transported in closed calcium carbide furnace,
Smelted under conditions of 2200 DEG C, obtain the calcium carbide that gas forming amount is 298L.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate the utility model example,
And the restriction not to embodiment.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And thus
Among the obvious changes or variations amplified out is still in the scope of protection of the utility model.
Claims (5)
1. it is a kind of using biomass pyrolytic produce calcium carbide system, it is characterised in that the system include biomass pyrolysis device,
Lapping device, mixing arrangement, shaped device, type ball pyrolysis installation, calcium carbide smelting device；
The biomass pyrolysis device has biomass inlet, semicoke outlet；
The lapping device has semicoke entrance, semi-coke powder outlet；The semicoke entrance and the half of the biomass pyrolysis device
Jiao outlet connection；
The mixing arrangement has semi-coke powder entrance, calcium lime powder entrance, coal powder entrance, mixed material outlet；The semi-coke powder
The semi-coke powder outlet of entrance and the lapping device connects；
The shaped device has mixed material entrance, the outlet of type ball；The mixed material entrance is mixed with the mixing arrangement
Close material outlet connection；
The type ball pyrolysis installation has type ball entrance, pelletizing outlet；The type ball of the type ball entrance and the shaped device goes out
Mouth connection；
The calcium carbide smelting device has pelletizing entrance, calcium carbide outlet；The ball of the pelletizing entrance and the type ball pyrolysis installation
Group's outlet connection.
2. system according to claim 1, it is characterised in that also including hot charging device, the hot charging device and the type
Ball pyrolysis installation connects with the calcium carbide smelting device.
3. system according to claim 1, it is characterised in that also including the first belt conveyor, the second belt conveyor；It is described
First belt conveyor, the second belt conveyor are high temperature resistant closed conveying belt；
The mixed material outlet at the top of first belt conveyor and the mixing arrangement connects；First belt conveyor
End is connected with the mixed material entrance of the shaped device；
The type ball outlet at the top of second belt conveyor and the shaped device connects；The end of second belt conveyor
It is connected with the type ball entrance of the type ball pyrolysis installation.
4. system according to claim 1, it is characterised in that the semicoke exit of the biomass pyrolysis device is provided with
Feed weigher；The biomass pyrolysis device is heat accumulating type rotating bed biomass pyrolysis device；The heat accumulating type rotating bed biomass
Pyrolysis installation includes feed zone, preheating zone, one area of reaction, 2nd area of reaction, 3rd area of reaction, discharge zone successively, wherein, the biology
Matter entrance is located at the feed zone, and the semicoke outlet is located at the discharge zone.
5. system according to claim 1, it is characterised in that the type ball pyrolysis installation is heat accumulating type rotating bed type ball heat
Solve device；The heat accumulating type rotating bed type ball pyrolysis installation includes feed zone, preheating zone, reacts an area, react 2nd area, be anti-successively
Ying Sanqu, discharge zone, wherein, the type ball entrance is located at the feed zone, and the pelletizing outlet is located at the discharge zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720888123.2U CN207192806U (en) | 2017-07-20 | 2017-07-20 | A kind of system that calcium carbide is produced using biomass pyrolytic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720888123.2U CN207192806U (en) | 2017-07-20 | 2017-07-20 | A kind of system that calcium carbide is produced using biomass pyrolytic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207192806U true CN207192806U (en) | 2018-04-06 |
Family
ID=61798085
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720888123.2U Expired - Fee Related CN207192806U (en) | 2017-07-20 | 2017-07-20 | A kind of system that calcium carbide is produced using biomass pyrolytic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337208A (en) * | 2017-07-20 | 2017-11-10 | 神雾环保技术股份有限公司 | A kind of system and method that calcium carbide is produced using biomass pyrolytic |
-
2017
- 2017-07-20 CN CN201720888123.2U patent/CN207192806U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337208A (en) * | 2017-07-20 | 2017-11-10 | 神雾环保技术股份有限公司 | A kind of system and method that calcium carbide is produced using biomass pyrolytic |
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Granted publication date: 20180406 Termination date: 20190720 |