CN207192808U - A kind of system for preparing calcium carbide - Google Patents
A kind of system for preparing calcium carbide Download PDFInfo
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- CN207192808U CN207192808U CN201720889623.8U CN201720889623U CN207192808U CN 207192808 U CN207192808 U CN 207192808U CN 201720889623 U CN201720889623 U CN 201720889623U CN 207192808 U CN207192808 U CN 207192808U
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- calcium carbide
- entrance
- outlet
- pyrolysis
- semicoke
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Abstract
It the utility model is related to the system for preparing calcium carbide, the first pyrolysis installation has charging aperture, semicoke outlet in the system, mixing arrangement has semicoke entrance, calcium lime powder entrance, coal powder entrance, mixed material outlet, shaped device has mixed material entrance, the outlet of type ball, second pyrolysis installation has type ball entrance, the outlet of calcium carbide smelting palletizing, and calcium carbide smelting device has calcium carbide smelting palletizing entrance, calcium carbide outlet；The semicoke outlet of first pyrolysis installation is connected with the semicoke entrance of mixing arrangement, the mixed material outlet of mixing arrangement is connected with the mixed material entrance of shaped device, the type ball outlet of shaped device is connected with the type ball entrance of the second pyrolysis installation, and the calcium carbide smelting palletizing outlet of the second pyrolysis installation is connected with the calcium carbide smelting palletizing entrance of calcium carbide smelting device.The utility model efficiently solves the Utilizing question of generation semicoke after junked tire pyrolysis, overcomes the separately formed difficult problem of semicoke, has expanded the source of calcium carbide preparing raw material, heat utilization efficiency is higher.
Description
Technical field
It the utility model is related to a kind of system for preparing calcium carbide.
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.
Utility model content
In view of the above problems, the utility model aims to provide a kind of system for preparing calcium carbide, according to system of the present utility model
System, by the use of junked tire be pyrolyzed caused by semicoke as raw material, and be equipped with middle low order coal dust and calcium lime powder, by semi-coke powder and
The mixed-forming of middle low order coal dust and pyrolysis, and then produce calcium carbide.
The utility model provides a kind of system for preparing calcium carbide, the system include the first pyrolysis installation, mixing arrangement,
Shaped device, the second pyrolysis installation, calcium carbide smelting device.
First pyrolysis installation has charging aperture, semicoke outlet.The mixing arrangement has semicoke entrance, calcium lime powder
Entrance, coal powder entrance, mixed material outlet.The shaped device has mixed material entrance, the outlet of type ball.Second pyrolysis
Device has type ball entrance, the outlet of calcium carbide smelting palletizing.There is the calcium carbide smelting device calcium carbide smelting palletizing entrance, calcium carbide to go out
Mouthful.
The semicoke outlet of first pyrolysis installation is connected with the semicoke entrance of the mixing arrangement.The mixing arrangement
Mixed material outlet is connected with the mixed material entrance of the shaped device.The type ball outlet and described second of the shaped device
The type ball entrance connection of pyrolysis installation.The outlet of calcium carbide smelting palletizing and the calcium carbide smelting device of second pyrolysis installation
Calcium carbide smelting palletizing entrance connects.
Further, in addition to the first belt conveyor, the second belt conveyor.First belt conveyor, the second conveying skin
Band 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 second pyrolysis installation.
Further, in addition to hot charging device, the hot charging device are smelted with second pyrolysis installation and the calcium carbide
Device connects.
As the preferable scheme of the utility model, first pyrolysis installation is rapid pyrolysis apparatus.First pyrolysis
The semicoke exit of device is provided with feed weigher.
As the preferable scheme of the utility model, second pyrolysis installation is heat accumulating type rotating bed pyrolysis installation.It is described
Heat accumulating type rotating bed pyrolysis installation includes feed zone, preheating zone, one area of reaction, 2nd area of reaction, 3rd area of reaction, discharge zone successively,
Wherein, the type ball entrance is located at the feed zone, and the calcium carbide smelting palletizing outlet is located at the discharge zone.
System of the present utility model efficiently solves the Utilizing question of generation semicoke after junked tire pyrolysis, due to semi-coke powder
It can not be used directly as the raw material of wood-charcoal that calcium carbide produces, and itself does not have caking property, is mixed with calcium lime powder and is difficult to be molded.Therefore pass through
Semicoke prepares calcium carbide after being mixed with calcium cellulosic material (calcium lime powder), middle low order coal dust, overcomes the separately formed difficult difficulty of semicoke
Topic.According to system of the present utility model, using junked tire as raw material, pyrolysis is produced with high chemism, high fixed carbon, low
The semicoke of the good characteristics such as ash, low-sulfur.The market price of semicoke is relatively low, and raw material of wood-charcoal can be used as to be applied to calcium carbide and prepare industry, tool
There is huge advantage.
The utility model is learnt from other's strong points to offset one's weaknesses, and coupling junked tire pyrolysis prepares calcium carbide with pyrolysis of coal technology, greatly reduces
The production cost of calcium carbide.Meanwhile semicoke caused by being effectively utilized junked tire pyrolysis, kill two birds with one stone.Both solves semicoke
Utilizing question, has expanded the source of carbon materials in calcium carbide preparing raw material, realizes junked tire and middle low order coal grading sub-prime again
Utilize, be not only able to extract the oil gas product of two kinds of materials, moreover it is possible to by both solid semicoke products by with calcium carbide
Smelting technique coupling is used, realize to two kinds of materials eat it is dry bleed, improve the level of resources utilization.
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.
Brief description of the drawings
Fig. 1 is the system schematic that the utility model prepares calcium carbide.
Fig. 2 is the method flow schematic diagram that the utility model prepares calcium carbide using the system shown in Fig. 1.
Reference in accompanying drawing is as follows：
1st, the first pyrolysis installation；
2nd, mixing arrangement；
3rd, the first belt conveyor；
4th, shaped device；
5th, the second belt conveyor；
6th, the second pyrolysis installation；
7th, hot charging device；
8th, 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 for preparing calcium carbide includes：First pyrolysis installation 1, mixing arrangement 2,
Shaped device 4, the second pyrolysis installation 6, calcium carbide smelting device 8.Preferably, system of the present utility model also includes the first conveying skin
Band 3, the second belt conveyor 5.In different embodiments of the present utility model, system of the present utility model also includes hot charging device 7.
First pyrolysis installation 1 is used to be pyrolyzed broken junked tire, obtains semicoke.It has charging aperture, semicoke outlet.And
And semicoke exit is provided with feed weigher, for weighing the quality of semicoke.Fast speed heat is selected in embodiment of the present utility model
Device, such as fast pyrogenation stove are solved, to realize the fast pyrogenation of junked tire.
Mixing arrangement 2 is used to receive the semicoke being sent into by the first pyrolysis installation 1, and receives calcium lime powder, coal dust simultaneously, and three
After kind material is sufficiently mixed uniformly, mixed material is obtained.The mixing arrangement 2 has semicoke entrance, calcium lime powder entrance, coal dust
Entrance, mixed material outlet.Wherein, the semicoke of semicoke entrance and the first pyrolysis installation 1 outlet connection.Also, semicoke entrance,
Material inlet valve is provided with calcium lime powder entrance, coal powder entrance, for controlling the ratio of each material entered in mixing arrangement 2
Example.In embodiment of the present utility model, from intensive mixer.
Shaped device 4 is used for the mixed material for receiving the powdery being sent into by mixing arrangement 2, handles, obtains through high-pressure molding
Type ball.There is the shaped device 4 mixed material entrance, type ball to export.The mould of elliposoidal is provided with shaped device 4, 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 2 connects.This reality
With in new embodiment, roller briquetting machine can be selected.
Second pyrolysis installation 6 is used to receive the type ball being sent into by shaped device 4, carries out pyrolysis processing to type ball, is closed
The calcium carbide smelting palletizing of lattice, while obtain being pyrolyzed oil gas product.There is second pyrolysis installation 6 type ball entrance, calcium carbide to smelt ball
Group outlet.Wherein, the type ball outlet of type ball entrance and shaped device 4 connects.In embodiment of the present utility model, accumulation of heat can be selected
Formula revolving bed pyrolysis installation.
Wherein, heat accumulating type rotating bed pyrolysis installation is loop configuration, and it divides successively according to reaction temperature and the difference of effect
For feed zone 61, preheating zone 62, one area 63 of reaction, two areas 64 of reaction, three areas 64 of reaction, discharge zone 66.Wherein, type ball entrance position
In feed zone 61, the outlet of calcium carbide smelting palletizing is located at discharge zone 66.After type ball warp is sent into feed zone 61 by type ball entrance, pass through successively
Cross preheating zone 62, one area 63 of reaction, two areas 64 of reaction, three areas 65 of reaction progress pyrolytic reaction, the calcium carbide obtained through pyrolytic reaction
Calcium carbide smelting palletizing outlet discharge of the smelting palletizing through discharge zone 66.
Calcium carbide smelting device 8 is used for the calcium carbide smelting palletizing that reception is sent into by the second pyrolysis installation 6 and smelted, and obtains electricity
Stone.There is the calcium carbide smelting device 8 calcium carbide smelting palletizing entrance, calcium carbide to export.Wherein, calcium carbide smelting palletizing entrance and the second heat
Solve the calcium carbide smelting palletizing outlet connection of device 6.The calcium carbide being prepared is exported via calcium carbide and discharged.Implementation of the present utility model
In example, from closed calcium carbide furnace.
As the preferable scheme of the utility model, also include the first belt conveyor 3 and the second belt conveyor 5 in the system.
Also, the first belt conveyor 3 and the second belt conveyor 5 are high temperature resistant closed conveying belt.
Wherein, the first belt conveyor 3 and the second belt conveyor 5 are respectively provided with top and end.The top of first belt conveyor 3
Export and connect with the mixed material of mixing arrangement 2.The end of first belt conveyor 3 connects with the mixed material entrance of shaped device 4
Connect.The type ball outlet at the top of the second belt conveyor 5 and shaped device 4 connects.The end of second belt conveyor 5 and the second pyrolysis
The type ball entrance connection of device 6.
The first belt conveyor 3 and the second belt conveyor 5 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, can prevent heat to scatter and disappear, and the aobvious of mixed material and type ball can be effectively utilized in subsequent handling
Heat so that when type ball enters progress pyrolysis processing in the second pyrolysis installation 6, energy consumption cost can be substantially reduced, it is whole so as to improve
The heat utilization efficiency of individual calcium carbide preparation system.
As another preferred scheme of the present utility model, the system also includes hot charging device 7.Wherein, hot charging device 7 enters
Material mouth and the calcium carbide smelting palletizing outlet of the second pyrolysis installation 6 connect, discharging opening and the calcium carbide smelting device 8 of hot charging device 7
Calcium carbide smelting palletizing entrance connects.In embodiment of the present utility model, ladle is selected, for storing calcium carbide smelting palletizing.And
And hot charging device 7 can control the temperature reduction of calcium carbide smelting palletizing to be 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 for preparing calcium carbide, comprise the following steps：
(1) pyrolysis prepares semicoke
Broken junked tire is sent into the first pyrolysis installation 1 via charging aperture, through fast pyrolysis processes, obtains semicoke,
It can also obtain being pyrolyzed oil gas product simultaneously.In the utility model, the temperature for controlling pyrolytic reaction is 600~650 DEG C.
In this step, it is below 3mm that junked tire, which need to be crushed to particle diameter, is re-fed into the first pyrolysis installation 1.Pyrolysis feed
Other carbon containing, the relatively cheap even discarded object of price granular materials also can be selected.
(2) raw material mixes
The semicoke that above-mentioned steps are obtained after cooling, is sent into mixing arrangement 2 by semicoke entrance.First pyrolysis installation 1
Semicoke exit set feed weigher, available for weigh be sent into mixing arrangement 2 in semicoke quality.Meanwhile respectively via
Calcium lime powder entrance, coal powder entrance are sent into calcium lime powder and coal dust into mixing arrangement 2.Three kinds of raw materials are in mixing arrangement 2
Through full and uniform mixing, mixed material is obtained.
Wherein, the mass ratio of each component is in mixed material：Semicoke：Calcium lime powder：Coal dust=(0.2~0.5)：1：
(0.4~0.7).Preferably, the mass ratio of each component is in mixed material：Semicoke：Calcium lime powder：Coal dust=0.2：1：0.7.This
In the embodiment that utility model has, the low order coal dust from.
(3) preparative ball
The mixed material of powdery is sent into the elliposoidal mould of shaped device 4, 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 3 under conditions of high-temperature closed
It is delivered in shaped device 4.The waste of heat in mixed material is avoided, is advantageous to the progress of preparative ball process.
(4) pyrolysis prepares calcium carbide smelting palletizing
Type ball warp is sent into the second pyrolysis installation 6 by type ball entrance, the utility model is pyrolyzed from heat accumulating type rotating bed
Device.After type ball warp is preheated by feed zone 61 into preheating zone 62, successively by reacting an area 63, reacting two areas 64, anti-
Ying Sanqu 65 carries out pyrolysis processing, and qualified calcium carbide smelting palletizing is prepared, meanwhile, obtain being pyrolyzed oil gas product.Calcium carbide smelting
Refine pelletizing and discharge is exported via calcium carbide smelting palletizing by discharge zone 66.
In this step, the preheating temperature for controlling preheating zone 62 is 200~300 DEG C.Also, one area 63 of control reaction, reaction
Two areas 64, the pyrolysis temperature in three areas 65 of reaction gradually rise.Wherein, the temperature for reacting an area 63 is 400~500 DEG C, reaction two
The temperature in area 64 is 600~700 DEG C, and the temperature in three areas 65 of reaction is 800~900 DEG C.
The pulverization rate of calcium carbide smelting palletizing 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 5 in high-temperature closed
Enter in the second pyrolysis installation 6, so as to effectively utilize the sensible heat of type ball, save the energy consumption of pyrolysis processing reaction.
(5) smelting prepares calcium carbide
Calcium carbide smelting palletizing is sent into calcium carbide smelting device 8, smelting obtains calcium carbide product.In the utility model, control
The temperature that calcium carbide is smelted is 1800~2200 DEG C.
In the utility model preferred embodiment, calcium carbide smelting palletizing is first fed into heat from after the discharge of the second pyrolysis installation 6
Stored in assembling device 7.Ladle can be selected in hot charging device 7.Temperature reduction of the calcium carbide smelting palletizing in hot charging device 7 exists
Within 50 DEG C.Then, calcium carbide smelting palletizing is sent into calcium carbide smelting device 8 via the discharging opening of hot charging device 7, is smelted.
Embodiment
(1) junked tire is crushed to particle diameter≤3mm, and be sent into rapid pyrolysis apparatus, in 600 DEG C of temperature conditionss
Under be pyrolyzed, obtain semicoke.
(2) it is 0.5 according to quality accounting by semicoke, calcium lime powder, middle low order coal dust:1:0.4 is sent into intensive mixer
Full and uniform mixing, obtains mixed material.
(3) 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.
(4) by feed zone of the type ball warp by high temperature resistant closed conveying Belt Conveying to heat accumulating type rotating bed pyrolysis installation,
And obtain qualified calcium carbide smelting palletizing, the heat of reaction zone by preheating zone, one area of reaction, 2nd area of reaction, 3rd area of reaction successively
It is 900 DEG C to solve temperature.The pulverization rate of calcium carbide smelting palletizing is 4.7%, and compression strength is 652N/.
(5) calcium carbide smelting palletizing is sent into ladle through discharge zone, temperature is reduced to 860 DEG C, is then transported to closed electricity
In stone stove, smelted under conditions of 2200 DEG C, obtain calcium carbide.Wherein, the gas forming amount of calcium carbide is between 290~300L.
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. a kind of system for preparing calcium carbide, it is characterised in that the system includes the first pyrolysis installation, mixing arrangement, shaping dress
Put, the second pyrolysis installation, calcium carbide smelting device；
First pyrolysis installation has charging aperture, semicoke outlet；There is the mixing arrangement semicoke entrance, calcium lime powder to enter
Mouth, coal powder entrance, mixed material outlet；The shaped device has mixed material entrance, the outlet of type ball；The second pyrolysis dress
Put with type ball entrance, the outlet of calcium carbide smelting palletizing；There is the calcium carbide smelting device calcium carbide smelting palletizing entrance, calcium carbide to go out
Mouthful；
The semicoke outlet of first pyrolysis installation is connected with the semicoke entrance of the mixing arrangement；The mixing of the mixing arrangement
Material outlet is connected with the mixed material entrance of the shaped device；The type ball outlet of the shaped device and the described second pyrolysis
The type ball entrance connection of device；The calcium carbide smelting palletizing outlet of second pyrolysis installation and the calcium carbide of the calcium carbide smelting device
Smelting palletizing entrance connects.
2. 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 second pyrolysis installation.
3. system according to claim 1, it is characterised in that also including hot charging device, the hot charging device and described the
Two pyrolysis installations connect with the calcium carbide smelting device.
4. system according to claim 1, it is characterised in that first pyrolysis installation is rapid pyrolysis apparatus；It is described
The semicoke exit of first pyrolysis installation is provided with feed weigher.
5. system according to claim 1, it is characterised in that second pyrolysis installation is heat accumulating type rotating bed pyrolysis dress
Put；The heat accumulating type rotating bed pyrolysis installation successively include feed zone, preheating zone, reaction one area, reaction 2nd area, reaction 3rd area,
Discharge zone, wherein, the type ball entrance is located at the feed zone, and the calcium carbide smelting palletizing outlet is located at the discharge zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720889623.8U CN207192808U (en) | 2017-07-20 | 2017-07-20 | A kind of system for preparing calcium carbide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720889623.8U CN207192808U (en) | 2017-07-20 | 2017-07-20 | A kind of system for preparing calcium carbide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207192808U true CN207192808U (en) | 2018-04-06 |
Family
ID=61798115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720889623.8U Expired - Fee Related CN207192808U (en) | 2017-07-20 | 2017-07-20 | A kind of system for preparing calcium carbide |
Country Status (1)
| Country | Link |
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| CN (1) | CN207192808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285317A (en) * | 2017-07-20 | 2017-10-24 | 神雾环保技术股份有限公司 | A kind of system and method for preparing calcium carbide |
-
2017
- 2017-07-20 CN CN201720889623.8U patent/CN207192808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285317A (en) * | 2017-07-20 | 2017-10-24 | 神雾环保技术股份有限公司 | A kind of system and method for preparing calcium carbide |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20190720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |