CN206142839U - System for two shaft furnace production carbide of high warm -pressing ball - Google Patents
System for two shaft furnace production carbide of high warm -pressing ball Download PDFInfo
- Publication number
- CN206142839U CN206142839U CN201620845763.0U CN201620845763U CN206142839U CN 206142839 U CN206142839 U CN 206142839U CN 201620845763 U CN201620845763 U CN 201620845763U CN 206142839 U CN206142839 U CN 206142839U
- Authority
- CN
- China
- Prior art keywords
- high temperature
- temperature pyrolysis
- lime kiln
- oxygen
- pyrolysis stove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model relates to a system for two shaft furnace production carbide of high warm -pressing ball. The system includes lime shaft furnace, high -temperature pyrolysis furnace, oxygen hot method carbide stove, presses ball machine and oxygen coal lance, and the lime shaft furnace includes limestone flour pan feeding mouth, lime feed opening, lime shaft furnace flue gas entry, is equipped with the baffle at adjustable inclination in the furnace of lime shaft furnace, high -temperature pyrolysis furnace includes buggy pan feeding mouth, carbon dust feed opening, high -temperature pyrolysis furnace flue gas entry, is equipped with the baffle at adjustable inclination in high -temperature pyrolysis furnace 's the furnace, press the ball press packed bale and draw together lime entry, carbon dust entry and feed opening, oxygen hot method carbide stove includes lime pan feeding mouth, carbon dust pan feeding mouth, exhanst gas outlet and discharge gate, oxygen coal lance 's spray gun head locates in the oxygen hot method carbide stove. The utility model discloses a system for two shaft furnace production carbide of high warm -pressing ball through the baffle that all sets up adjustable dip angle in lime shaft furnace, high -temperature pyrolysis furnace, can conveniently control reaction and the pyrolysis time of raw materials in the stove, guarantees the degree and the efficiency of raw materials reaction.
Description
Technical field
This utility model generally relates to a kind of production system of carbide, and in particular to a kind of double shaft furnace productions of high temperature pressure ball
The system of carbide.
Background technology
Acetylenogen. is commonly called as carbide, is obtained by coke and calcium oxide reaction, is that important coalification chemical product and basic chemical industry are former
Material, mainly for the production of acetylene and ethynylation chemical product, including vinyl chloride serial, vinyl acetate series and acrylic etc. are
Row product.Carbide has a very important role to Chinese national economy development, and carbide yield is continuously increased nearly ten years.
Although the existing history for many years of the development of calcium carbide industry, the production technology of carbide still mainly adopts electric arc at present
The method of heating, i.e., produce high temperature by electric arc furnace and produce electricity stone to provide heat next life.It is to utilize electrical energy production using electric arc furnace
Carbide.Its concrete production process is added mixture in electric furnace by the entrance or pipeline of electric furnace upper end, raw material open or
2200 DEG C or so are heated in closed electric furnace, reaction at high temperature generates Acetylenogen. (carbide).The carbide for having melted, from discharging
Mouth is discharged, and is cooled down into calcium carbide pot.Carbide is Jing after cooling is broken as finished product packing.The carbon monoxide generated in reaction is then according to electricity
The type of stone stove is discharged by different way.The shortcoming of the technology is：The block coke and Calx by the use of high price is needed as raw material；
Generated heat using electric energy, power consumption is high, energy consumption cost is high；As electric arc is almost in the center of electric arc furnace, unit heat size is using effect
Rate is limited, yields poorly；The high-temperature flue gas of generation are fewer due to measuring, and carbide per ton about produces 400m3, associated thermal energy is difficult to back
Receive.
The method of the carbide of oxygen full-boiled process production at present is that block calcic raw material and carbon raw material are preheated in epimere shaft furnace
After 800-1300 DEG C, then feed them in hypomere electric arc furnace.It is combined with electrode by oxygen and breeze blowing burning in electric arc furnace
Heat supply makes temperature rise to 1700-2200 DEG C, and carbide raw material reaction generates high-grade carbide.The calcium carbide furnace gas removing dust purification of generation
Afterwards by gas turbine combustion to drive electrical power generators, waste gas sensible heat is by waste heat boiler recovery.The shortcoming of the technology is:Need profit
With the block coke and Calx of high price as raw material.The subject matter of oxygen full-boiled process is not solve block material reaction to exist now
Problem, i.e., as block stock specific surface area is little so that raw material just need to can complete reaction in higher temperature, thus result in system
Energy consumption is high.The raw materials for production of oxygen full-boiled process remain as the higher block coke of price and limestone at present, without effectively
Reduce cost of material.
Therefore, in order to be able to directly using the agstone and low order coal dust production carbide of low cost, and raw material can be controlled
Transporting velocity and residence time, it is ensured that the reaction effect of raw material, it is necessary to propose a kind of production system of new carbide.
Utility model content
The purpose of this utility model is to provide a kind of system of double shaft furnace production carbides of high temperature pressure ball so that the technique
Reaction can be completed in stove using powders such as agstone, coal dusts directly, and when can control the transporting velocity of raw material and stop
Between, to ensure the reaction effect of raw material.
The system that this utility model provides a kind of double shaft furnace production carbides of high temperature pressure ball, the system include that Calx is erected
Stove, high temperature pyrolysis stove, ball press, oxygen full-boiled process furnace of calcium carbide and oxygen coal gun, wherein, the Lime kiln includes agstone pan feeding
Mouth, Calx feed opening, Lime kiln smoke inlet, the agstone feeding mouth are located at the top of the Lime kiln, described
Calx feed opening and Lime kiln smoke inlet are located at the bottom of the Lime kiln；Being provided with the burner hearth of the Lime kiln can
The Lime kiln baffle plate of adjustable inclination, the Lime kiln baffle plate is under the agstone feeding mouth, under the Calx
On material mouth and the Lime kiln smoke inlet；The Lime kiln baffle plate leaves gap with the inwall of the Lime kiln,
Aperture is disposed with the Lime kiln baffle plate；The Lime kiln baffle plate is by the rotating shaft support through the Lime kiln furnace wall
On the Lime kiln；The high temperature pyrolysis stove includes coal dust feeding mouth, carbon dust feed opening, high temperature pyrolysis stove smoke inlet,
The coal dust feeding mouth is located at located at the top of the high temperature pyrolysis stove, the carbon dust feed opening and high temperature pyrolysis stove smoke inlet
The bottom of the high temperature pyrolysis stove；The high temperature pyrolysis stove baffle plate of adjustable inclination, institute are provided with the burner hearth of the high temperature pyrolysis stove
High temperature pyrolysis stove baffle plate is stated under the coal dust feeding mouth, the carbon dust feed opening and the high temperature pyrolysis stove smoke inlet
On；The high temperature pyrolysis stove baffle plate leaves gap, cloth on the high temperature pyrolysis stove baffle plate with the inwall of the high temperature pyrolysis stove
It is equipped with aperture；The high temperature pyrolysis stove baffle plate is by the rotating shaft support through the high temperature pyrolysis stove furnace wall in the high temperature pyrolysis stove
On；The ball press includes lime inlet, carbon dust entrance and feed opening, under the lime inlet and the Calx of the Lime kiln
Material mouth is connected, and the carbon dust entrance is connected with the carbon dust feed opening of the high temperature pyrolysis stove；The oxygen full-boiled process furnace of calcium carbide includes stone
Ash and carbon dust feeding mouth, exhanst gas outlet and discharging opening, the Calx connect the feed opening of the ball press, institute with carbon dust feeding mouth
State exhanst gas outlet and connect the Lime kiln smoke inlet and the high temperature pyrolysis stove smoke inlet；The lance head of the oxygen coal gun
In the oxygen full-boiled process furnace of calcium carbide, the oxygen coal gun stretches into the oxygen full-boiled process furnace of calcium carbide from the furnace roof of the oxygen full-boiled process furnace of calcium carbide
It is interior.
Above-mentioned system, is sequentially provided with multiple Calx with the inclination angle in the burner hearth of the Lime kiln from top to bottom
Shaft furnace baffle plate, the vertical centrage of the relatively described Lime kiln in inclination angle of the adjacent Lime kiln baffle plate are arranged symmetrically；It is described
Multiple high temperature pyrolysis stove baffle plates with the inclination angle, the adjacent height are sequentially provided with from top to bottom in the burner hearth of high temperature pyrolysis stove
The vertical centrage of the relatively described high temperature pyrolysis stove in inclination angle of warm solution fender plate is arranged symmetrically.
Above-mentioned system, the angle scalable of the Lime kiln baffle plate and the high temperature pyrolysis stove baffle plate with horizontal plane
For 30 ° -60 °；Hole diameter on the Lime kiln baffle plate and the high temperature pyrolysis stove baffle plate is 10mm-30mm.
Above-mentioned system, the Lime kiln and the high temperature pyrolysis stove are block furnace, the Lime kiln baffle plate and
Length of the high temperature pyrolysis stove baffle plate on the incline direction at respective inclination angle is the 0.5-0.95 of each length of side of place stove
Times, the rotary shaft of the adjacent Lime kiln baffle plate is the Lime kiln side in the distance of the vertical direction of the Lime kiln
Long 0.2-1.5 times；Distance of the rotary shaft of the adjacent high temperature pyrolysis stove baffle plate in the vertical direction of the high temperature pyrolysis stove
For 0.2-1.5 times of the high temperature pyrolysis stove length of side.
Above-mentioned system, the Lime kiln baffle plate and the high temperature pyrolysis stove baffle plate it is equal with the junction of respective place stove
It is provided with sealing device；Rotation driving bar is equipped with the rotating shaft of the Lime kiln and the rotating shaft of the high temperature pyrolysis stove.
Above-mentioned system, the exhanst gas outlet of the oxygen full-boiled process furnace of calcium carbide are respectively communicated with the Calx by high-temperature flue gas pipeline
Shaft furnace gas approach and high-temperature flue gas pipeline described in the high temperature pyrolysis stove gas approach are internally provided with water-cooled flue.
Above-mentioned system, the discharging opening of the oxygen full-boiled process furnace of calcium carbide are provided with radar level gauge or capacitance material level meter；The stone
The agstone feeding mouth of grey shaft furnace is connected with agstone speed governing batcher, and the coal dust feeding mouth of the high temperature pyrolysis stove is connected with coal
Powder speed governing batcher.
Above-mentioned system, the structure of the oxygen rifle is telescopic water cooled lance, and the structure of the oxygen coal gun is telescopic water
Cold spray gun, the material of the lance head of the oxygen coal gun is copper, and the sleeve internal layer of the oxygen coal gun is breeze blowing layer, and intermediate layer is
Blowing oxygen layer, outermost are cooling circulating water layer；The oxygen inlet of the blowing oxygen layer is connected with oxygen channel, the coal
The coal dust import connection pulverized coal channel of powder injection layer.
The beneficial effects of the utility model are that this technology utilization limestone and coal dust produce carbide, considerably reduce
The cost of raw material.
This utility model carries out high temperature pressure ball using the high temperature calcium lime powder and carbon dust for just generating, and reduces the efflorescence of pelletizing
Rate.
Raw material can easily be controlled in Lime kiln of the present utility model and two shaft furnaces of high temperature pyrolysis stove in stove
Reaction or pyrolysis time, it is ensured that the degree and efficiency of raw material reaction or pyrolysis.
Additionally, can also combustible gas or oil be extracted to produce new benefit from pyrolysis smoke.
Description of the drawings
System structure sketches of the Fig. 1 for this utility model embodiment；
Adjustable pyrolysis oven interior panelling front view structural representations of the Fig. 2 for this utility model embodiment；And
Fig. 3 is the A of adjustable pyrolysis oven interior panelling in Fig. 2 to structural representation.
Specific embodiment
Below in conjunction with drawings and Examples, specific embodiment of the present utility model is explained in more detail, with
Just better understood when the advantage of scheme of the present utility model and its various aspects.However, specific implementations described below
Mode and embodiment are only descriptive purposes, rather than to restriction of the present utility model.
Embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing 1.The high temperature of the present embodiment
The system of double shaft furnace production carbides of pressure ball includes:1st, agstone hopper；2nd, speed governing batcher；3rd, air vent；4th, Calx is erected
Fender plate；5th, Lime kiln；6th, water-cooled flue；7th, ball press；8th, furnace of calcium carbide feed pipe；9th, oxygen full-boiled process furnace of calcium carbide；10th, oxygen coal
Rifle；11st, oxygen channel；12nd, pulverized coal channel；13rd, high-temperature flue gas pipeline；14 water-cooled flues；15th, high temperature pyrolysis stove；16th, high warm
Solution fender plate；17th, air vent；18th, speed governing batcher；19th, coal dust hopper.Wherein, agstone hopper 1, coal dust hopper 19, tune
Fast batcher 2 and 18 etc. can be arranged according to actual needs or be replaced by other devices.
Two adjustable shaft furnaces are provided with this utility model, one is reacted generation Calx at high temperature for limestone,
Referred to as Lime kiln, another is used for jet coal high temperature pyrolysis, referred to as high temperature pyrolysis stove, and two shaft furnace structures are similar to, work(
Can be different.
The Lime kiln 5 includes agstone feeding mouth, Calx feed opening, Lime kiln smoke inlet, the Calx
Stone powder feeding mouth is located at the stone located at the top of the Lime kiln 5, the Calx feed opening and Lime kiln smoke inlet
The bottom of grey shaft furnace 5；The Lime kiln baffle plate 4 of adjustable inclination, the Lime kiln are provided with the burner hearth of the Lime kiln 5
Baffle plate 4 is under the agstone feeding mouth, on the Calx feed opening and the Lime kiln smoke inlet；It is described
Lime kiln baffle plate 4 leaves gap with the inwall of the Lime kiln 5, is disposed with aperture on the Lime kiln baffle plate 4；It is described
Lime kiln baffle plate 4 is supported on the Lime kiln 5 by the rotating shaft 41 through 5 furnace wall of the Lime kiln.
The high temperature pyrolysis stove 15 includes coal dust feeding mouth, carbon dust feed opening, high temperature pyrolysis stove smoke inlet, the coal dust
Feeding mouth is located at the high temperature located at the top of the high temperature pyrolysis stove, the carbon dust feed opening and high temperature pyrolysis stove smoke inlet
The bottom of pyrolysis oven.The high temperature pyrolysis stove baffle plate 16 of adjustable inclination, the height are provided with the burner hearth of the high temperature pyrolysis stove 15
Warm solution fender plate 16 is under the coal dust feeding mouth, the carbon dust feed opening and the high temperature pyrolysis stove smoke inlet it
On.The high temperature pyrolysis stove baffle plate 16 leaves gap, the high temperature pyrolysis stove baffle plate 16 with the inwall of the high temperature pyrolysis stove 15
On be disposed with aperture.The high temperature pyrolysis stove baffle plate 16 is by the rotating shaft support through 15 furnace wall of the high temperature pyrolysis stove in the height
On warm pyrolysis oven 15.
Baffle arrangement in high temperature pyrolysis stove 15 is identical with the baffle arrangement in Lime kiln 5.
The ball press 7 includes lime inlet, carbon dust entrance and feed opening, the lime inlet and the Lime kiln 5
Calx feed opening be connected, the carbon dust entrance is connected with the carbon dust feed opening of the high temperature pyrolysis stove 15.
The oxygen full-boiled process furnace of calcium carbide 9 includes Calx and carbon dust feeding mouth, exhanst gas outlet and discharging opening, the Calx and carbon dust
Feeding mouth connects the feed opening of the ball press 7, and the exhanst gas outlet connects the Lime kiln smoke inlet and the high temperature
Pyrolysis oven smoke inlet.
, in the oxygen full-boiled process furnace of calcium carbide 9, the oxygen coal gun 10 is from the oxygen full-boiled process for the lance head of the oxygen coal gun 10
The furnace roof of furnace of calcium carbide 9 is stretched in the oxygen full-boiled process furnace of calcium carbide 9.
Above-mentioned system, is sequentially provided with multiple stones with the inclination angle in the burner hearth of the Lime kiln 5 from top to bottom
Grey shaft furnace baffle plate 4, the vertical centrage of the relatively described Lime kiln in inclination angle of the adjacent Lime kiln baffle plate are arranged symmetrically.Together
Sample, multiple high temperature pyrolysis stove baffle plates with the inclination angle are sequentially provided with from top to bottom in the burner hearth of the high temperature pyrolysis stove 15
16, the vertical centrage of the inclination angle of the adjacent high temperature pyrolysis stove baffle plate 16 high temperature pyrolysis stove 15 relatively is arranged symmetrically.
In hopper the coal dust of the agstone and 0-2mm of 0-1mm respectively by under closed speed governing batcher under respectively
To inside each self-corresponding shaft furnace, two shaft furnaces are arranged symmetrically.Speed governing batcher may be designed as spiral speed regulation batcher, in feed
While ensure between shaft furnace and raw material hopper sealing.
The delivery rate of batcher is controlled according to the response speed in oxygen full-boiled process furnace of calcium carbide 9, and response speed is very fast, feed speed
Degree increases, otherwise then reduces.
The ratio of agstone and coal dust is according to 1:1 control, later stage are suitably adjusted according to the change of material composition.
Raw material is in shaft furnace by baffle plate slide downward, the speed glided by the Angle ambiguity difference for adjusting respective baffle plate
And the response time.The speed of the decline of agstone and coal dust can respectively by Lime kiln baffle plate 4 and high temperature pyrolysis stove baffle plate 16
Angle ambiguity.Baffle angle is big, and material decrease speed is fast, and the time of staying in stove is short；Baffle angle is little, reduction of speed under material
Degree is slow, and the time of staying in stove is long.It is depending on the foundation of regulation can be according to the outlet temperature of oxygen full-boiled process furnace of calcium carbide 9, general to export
Temperature is between 1500 DEG C -1100 DEG C.Outlet temperature is high, and the time of staying is short, otherwise then the time of staying is long.
The design principle of baffle plate 4 or 16 is the most long principle in material path, while ensureing to being each located in shaft furnace again
Flue gas resistance can not be too big.
According to above principle, while according to baffle plate 4 or 16 and the coefficient of friction of raw material powder, for foursquare shaft furnace, if
0.5-0.95 times, preferably 0.75 times or so for the shaft furnace length of side of length of the meter baffle plate 4 or 16 on the incline direction at its inclination angle.
0.2-1.5 times, preferably 0.5 times or so for the pyrolysis oven length of side of difference in height between the rotary shaft of adjacent screen.Baffle plate 4 or 16
It is defined as 30 ° -60 ° with the range of accommodation of the angle of horizontal plane.Shown in the structure and size as Fig. 2 of instantiation and Fig. 3 (in figure
The structural representation of Lime kiln baffle plate 4 is provided only, the structure of high temperature pyrolysis stove baffle plate 16 is identical with Lime kiln baffle plate 4).Figure
In concrete structure and size be exemplary illustration.Certainly shaft furnace can also be other shape such as circle.When shaft furnace is other shape
During shape, and according to the most long principle in material path and consider to design the knot of baffle plate too greatly to the flue gas resistance in shaft furnace
Structure and arrangement form.
For example, when the angle of baffle plate 4 or 16 and horizontal plane is 36 °, the total distance of stream is left for 2.1 times of shaft furnace height
It is right.Due to frictional force and the impact of collision, material falls to becoming the reciprocal downglide motion of low speed by the movement of falling object, with whole process
Situation (being not provided with baffle plate) for free-falling is compared, and raw material powder fall time is 5-12 times of free-fall time.Have above
Body parameter can be made the appropriate adjustments according to the particle size range of the wind speed in pyrolysis oven and raw material powder.Baffle plate 4 with 16 material for heat-resisting
Rustless steel.Baffle arrangement has an aperture of diameter 10mm-30mm, and high-temperature gas is by flowing through aperture and shaft furnace and baffle plate below shaft furnace
Gap between 4 or 16 flows up, to ensure contact of the raw material powder with high-temperature gas.
As shown in Fig. 2 Lime kiln baffle plate 4 has the rotating shaft 41 that can make baffle plate activity and the sealing dress between shaft furnace
Put.Reinforcement 42 can be set to ensure the intensity and rigidity of baffle plate 4 on baffle plate 4.The rotation of baffle plate 4 can hand-turning also can machine
Drive, rotation driving bar 43 can be designed with baffle plate 4.Certainly, high temperature pyrolysis stove baffle plate 16 can also be so designed that.
High-temperature gas reverse flow in raw material powder and shaft furnace.Agstone react under the high temperature conditions generation CaO and
CO2, there is pyrolytic reaction at high temperature, generate coke and pyrolysis gas in coal dust.The gas of generation is discharged with high-temperature flue gas, i.e. CO2With
High-temperature flue gas enter back into later stage processing system from after the discharge of air vent 3.The pyrolysis gas of generation with high-temperature flue gas discharge after from aerofluxuss
Mouth 17 enters back into later stage processing system after discharging.Pyrolysis produce pyrogenic steam through condensation, purification be obtained high-quality oil,
Gas product.CaO and carbon dust enter 7 pressure ball of high temperature ball press according to a certain percentage and form pelletizing, and pelletizing enters back into oxygen full-boiled process carbide
The reaction of stove 9 generates carbide.
Raw material powder during falling from shaft furnace top to bottom, progressively fractional order reaction, by adjust in shaft furnace
The time of staying is controlling the extent of reaction.The extent of reaction at spout of shaft furnace can reach 95% or so.
The discharging opening of oxygen full-boiled process furnace of calcium carbide 9 senses blanking feelings by arranging the facility such as radar level gauge or capacitance material level meter
Condition, prevents feed opening from blocking.If it find that feed opening gathers materials too much, discharge quantity is reduced by the delivery rate on control top,
Prevent blocking.
The structure of oxygen coal gun 10 is telescopic water cooled lance, wherein, middle coal injection, outside is oxygen, and outermost is
Cooling circulating water, oxygen coal gun head material are copper lance head.
In oxygen full-boiled process furnace of calcium carbide 9, the burning of oxygen coal gun 10 provides the temperature that heat and reaction need, carbon dust and CaO pressure balls
Reaction afterwards generates carbide.Discharged by furnace discharge mouth discontinuity after having reacted.Carbide is discharged to calcium carbide pot after discharging opening again
Interior cooling.
The exhanst gas outlet of the oxygen full-boiled process furnace of calcium carbide 9 is respectively communicated with the Lime kiln flue gas by high-temperature flue gas pipeline 13
Import and the high temperature pyrolysis stove gas approach.The high-temperature flue gas pipeline 13 is internally provided with water-cooled flue 6 and 14.Oxygen full-boiled process
The high-temperature flue gas that furnace of calcium carbide 9 is produced respectively enter two shaft furnaces by the water-cooled flue 6 and 14 in high-temperature flue gas pipeline 13.Can lead to
The temperature control for overregulating respective water-cooled flue enters the gas temperature of shaft furnace.
This utility model can utilize agstone and coal dust production carbide, considerably reduce the cost of raw material.This
Reaction or heat of the raw material in stove can easily be controlled in the Lime kiln of utility model and two shaft furnaces of high temperature pyrolysis stove
The solution time, it is ensured that the degree and efficiency of raw material reaction or pyrolysis.This utility model is using the high temperature calcium lime powder for just having generated
High temperature pressure ball is carried out with carbon dust, the pulverization rate of pelletizing is reduced.
Additionally, can also combustible gas or oil be extracted to produce new benefit from pyrolysis smoke.
Embodiment
Agstone is first placed into hopper 1, sends into Calx with speed according to a certain percentage by the speed governing batcher 2 of bottom
Shaft furnace 5.Limestone powder glides along Lime kiln baffle plate 4 in shaft furnace 5, while reacting under conditions of high-temperature flue gas, leads to
Spend decrease speed and the response time of the Angle ambiguity pulverized limestone of regulating fender.Agstone reacts generation under the high temperature conditions
CaO and CO2, CO2Exclude from air vent 3 with high-temperature flue gas and enter next procedure.Calcium lime powder enters ball press 7 by feed opening
Participate in pressure ball.
Coal dust is put into hopper 19, by the speed governing batcher 18 of bottom, sends into high temperature pyrolysis with speed according to a certain percentage
Stove 15.Coal dust powder glides along high temperature pyrolysis stove baffle plate 16 in high temperature pyrolysis stove 15, while under conditions of high-temperature flue gas
Generation pyrolytic reaction.By adjusting the angle of high temperature pyrolysis stove baffle plate 16 to control decrease speed and the response time of coal dust.Coal
Coke and pyrolysis gas generated and pyrolytic reaction at high temperature in powder there is.The gas of generation is discharged with high-temperature flue gas and is discharged from air vent 17
Later stage processing system is entered afterwards, is reacted the coke for generating and is pressed into pelletizing together into ball press 7 and pulverized limestone.Pelletizing passes through carbide
Stove feed pipe 8 enters oxygen full-boiled process furnace of calcium carbide 9.
Coal dust and oxygen pass through pulverized coal channel 12 respectively and oxygen channel 11 enters oxygen coal gun 10, are entered by oxygen coal gun 10
Oxygen full-boiled process furnace of calcium carbide 9, burns in oxygen full-boiled process furnace of calcium carbide 9 and produces heat and high temperature.Under the high temperature conditions, Calx and carbon dust reaction
Generate carbide.After having reacted, discharged by discharging opening interval.The high-temperature flue gas that reaction is produced lead to respectively from after the discharge of pipeline 13
Water-cooled flue 6 and 14 is crossed into Lime kiln 5 and high temperature pyrolysis stove 15.Can be in certain model by the water yield for adjusting water-cooled flue
Enclose interior its exit gas temperature of control.
Hereinafter it is specifically described step by step.
Agstone is put into hopper 1 first.Limestone granularity scope is 0-1mm.Generate after shaft furnace pyroreaction
Calcium lime powder, calcium lime powder composition such as following table：
Table 1
| Title | CaO% | MgO% | Activity degree ml |
| Active lime | ≥90 | ≤0.7 | ≥300 |
Coal dust is put into hopper 19, and coal powder size is 0-2mm, the composition such as following table of coal dust：
Table 2
| Composition, % | Fixed carbon | Fugitive constituent | Ash | S |
| Coal dust | 65～75 | 20～25 | 7～10 | 0.2～0.3 |
Coal dust is pyrolyzed under the hot environment of shaft furnace, generates coke and pyrolysis gas, coke composition such as following table：
Table 3
| Composition, % | Mad | Aad | Vad | FCad |
| Carbon dust | 0.50 | 7.55 | 5.08 | 86.87 |
The high-temperature flue gas that oxygen coal gun 10 is produced in oxygen full-boiled process furnace of calcium carbide 9 pass through two water-cooled flues respectively by outlet conduit
6 and 14 enter Lime kiln 5 and high temperature pyrolysis stove 15, provide heat for reaction.Flue gas coming from carbide furnace outlet temperature is controlled 1800
DEG C or so, at 1500 DEG C or so, shaft furnace flue gas exit temperature is 800 DEG C or so to shaft furnace gas approach temperature control.High temperature pyrolysis
At 1200 DEG C or so, outlet temperature is controlled at 700 DEG C or so the control of kiln gas inlet temperature.Coal dust is pyrolyzed life under the high temperature conditions
Into artificial natural gas, concrete composition such as table：
Table 4
| Composition | H2 | CH4 | CO | CO2 | O2 | N2 | CnHm |
| Ratio (V%) | 26 | 27 | 10 | 28 | 1 | 2 | 6 |
Coke and pulverized limestone enter the pressure ball under the high temperature conditions of ball press 7, while entering in oxygen full-boiled process furnace of calcium carbide 9.
Pelletizing enters oxygen full-boiled process furnace of calcium carbide 9, and coal dust and oxygen are burnt in oxygen full-boiled process furnace of calcium carbide 9 by oxygen coal gun 10 and provided
Heat, control in-furnace temperature between 2000 DEG C -2200 DEG C, carbide composition such as following table：Table 5
| Composition | CaC2 | CaO | SiO2 | MgO | Fe2O3+Al2O3 | C |
| Content % | 85.3 | 9.5 | 2.1 | 0.35 | 1.45 | 1.2 |
Wherein, the M in table 3adRepresent air-dried moisture；AadRepresentative is dried base ash；VadRepresent air-dried basis to wave
Send out and divide；FCadRepresent air-dried basis fixed carbon.
As seen from the above-described embodiment, agstone and coal dust effectively can be generated carbide by the technical solution of the utility model.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate this utility model example,
And the not restriction 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 need to be exhaustive to all of embodiment.And thus
It is amplified obvious change or change still in protection domain of the present utility model among.
Claims (5)
1. the system of double shaft furnace production carbides of a kind of high temperature pressure ball, the system include Lime kiln, high temperature pyrolysis stove, pressure ball
Machine, oxygen full-boiled process furnace of calcium carbide and oxygen coal gun, wherein,
The Lime kiln includes agstone feeding mouth, Calx feed opening, Lime kiln smoke inlet, and the agstone enters
Material mouth is located at the Lime kiln located at the top of the Lime kiln, the Calx feed opening and Lime kiln smoke inlet
Bottom；The Lime kiln baffle plate of adjustable inclination is provided with the burner hearth of the Lime kiln, the Lime kiln baffle plate is located at institute
State under agstone feeding mouth, on the Calx feed opening and the Lime kiln smoke inlet；The Lime kiln gear
Plate leaves gap with the inwall of the Lime kiln, is disposed with aperture on the Lime kiln baffle plate；The Lime kiln baffle plate
By the rotating shaft support through the Lime kiln furnace wall on the Lime kiln；
The high temperature pyrolysis stove includes coal dust feeding mouth, carbon dust feed opening, high temperature pyrolysis stove smoke inlet, the coal dust feeding mouth
Located at the top of the high temperature pyrolysis stove, the carbon dust feed opening and high temperature pyrolysis stove smoke inlet are located at the high temperature pyrolysis stove
Bottom；The high temperature pyrolysis stove baffle plate of adjustable inclination, the high temperature pyrolysis fender are provided with the burner hearth of the high temperature pyrolysis stove
Plate is under the coal dust feeding mouth, on the carbon dust feed opening and the high temperature pyrolysis stove smoke inlet；The high temperature
Pyrolysis oven baffle plate leaves gap with the inwall of the high temperature pyrolysis stove, is disposed with aperture on the high temperature pyrolysis stove baffle plate；It is described
High temperature pyrolysis stove baffle plate is by the rotating shaft support through the high temperature pyrolysis stove furnace wall in the high temperature pyrolysis stove；
The discharging opening of the oxygen full-boiled process furnace of calcium carbide is provided with radar level gauge or capacitance material level meter；The agstone of the Lime kiln
Feeding mouth is connected with agstone speed governing batcher, and the coal dust feeding mouth of the high temperature pyrolysis stove is connected with coal dust speed governing batcher；
The ball press includes lime inlet, carbon dust entrance and feed opening, the Calx of the lime inlet and the Lime kiln
Feed opening is connected, and the carbon dust entrance is connected with the carbon dust feed opening of the high temperature pyrolysis stove；
The oxygen full-boiled process furnace of calcium carbide includes Calx and carbon dust feeding mouth, exhanst gas outlet and discharging opening, the Calx and carbon dust pan feeding
The feed opening of the mouth connection ball press, the exhanst gas outlet connect the Lime kiln smoke inlet and the high temperature pyrolysis stove
Smoke inlet；
The lance head of the oxygen coal gun is located in the oxygen full-boiled process furnace of calcium carbide, stove of the oxygen coal gun from the oxygen full-boiled process furnace of calcium carbide
Stretch in the oxygen full-boiled process furnace of calcium carbide on top.
2. system according to claim 1, it is characterised in that is sequentially provided with the burner hearth of the Lime kiln from top to bottom
Multiple Lime kiln baffle plates with the inclination angle, the relatively described Lime kiln in inclination angle of the adjacent Lime kiln baffle plate it is perpendicular
Straight centrage is arranged symmetrically；Multiple high temperature with the inclination angle are sequentially provided with from top to bottom in the burner hearth of the high temperature pyrolysis stove
Pyrolysis oven baffle plate, the symmetrical cloth of vertical centrage of the relatively described high temperature pyrolysis stove in inclination angle of the adjacent high temperature pyrolysis stove baffle plate
Put.
3. system according to claim 1, it is characterised in that the Lime kiln and the high temperature pyrolysis stove are square
Stove, the length of the Lime kiln baffle plate and the high temperature pyrolysis stove baffle plate on the incline direction at respective inclination angle are respective institute
At 0.5-0.95 times of the length of side of stove, the vertical direction of the rotary shaft of the adjacent Lime kiln baffle plate in the Lime kiln
0.2-1.5 times for the Lime kiln length of side of distance；The rotary shaft of the adjacent high temperature pyrolysis stove baffle plate is in the high warm
The distance of the vertical direction of solution stove is 0.2-1.5 times of the high temperature pyrolysis stove length of side.
4. system according to claim 1, it is characterised in that the exhanst gas outlet of the oxygen full-boiled process furnace of calcium carbide passes through high temperature cigarette
Feed channel is respectively communicated with the Lime kiln gas approach and high-temperature flue gas pipeline described in the high temperature pyrolysis stove gas approach
Portion is provided with water-cooled flue.
5. system according to claim 1, it is characterised in that the structure of the oxygen coal gun is telescopic water cooled lance, institute
The material for stating the lance head of oxygen coal gun is copper, and the sleeve internal layer of the oxygen coal gun is breeze blowing layer, and intermediate layer is blowing oxygen
Layer, outermost are cooling circulating water layer；The oxygen inlet of the blowing oxygen layer is connected with oxygen channel, the breeze blowing layer
Coal dust import connection pulverized coal channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620845763.0U CN206142839U (en) | 2016-08-05 | 2016-08-05 | System for two shaft furnace production carbide of high warm -pressing ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620845763.0U CN206142839U (en) | 2016-08-05 | 2016-08-05 | System for two shaft furnace production carbide of high warm -pressing ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206142839U true CN206142839U (en) | 2017-05-03 |
Family
ID=58627000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620845763.0U Expired - Fee Related CN206142839U (en) | 2016-08-05 | 2016-08-05 | System for two shaft furnace production carbide of high warm -pressing ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206142839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082222A (en) * | 2016-08-05 | 2016-11-09 | 北京神雾环境能源科技集团股份有限公司 | A kind of system and method for double shaft furnace production carbides of high temperature pressure ball |
-
2016
- 2016-08-05 CN CN201620845763.0U patent/CN206142839U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082222A (en) * | 2016-08-05 | 2016-11-09 | 北京神雾环境能源科技集团股份有限公司 | A kind of system and method for double shaft furnace production carbides of high temperature pressure ball |
| CN106082222B (en) * | 2016-08-05 | 2018-02-23 | 神雾科技集团股份有限公司 | A kind of system and method for double shaft furnace production calcium carbides of high temperature pressure ball |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110106303A (en) | A kind of shaft kiln directly reduced iron device of suitable gas base and coal base | |
| CN102620573B (en) | Utilization method and system for tail gas of calcium carbide furnace | |
| CN106082222B (en) | A kind of system and method for double shaft furnace production calcium carbides of high temperature pressure ball | |
| CN106282467B (en) | A kind of iron ore fine coal base production direct-reduction facilities and method | |
| CN106082224B (en) | A kind of system and method for double shaft furnace production calcium carbides that pyrolysis gas recycles | |
| CN206142839U (en) | System for two shaft furnace production carbide of high warm -pressing ball | |
| CN206142838U (en) | Production system of carbide with two shaft furnaces | |
| CN206142840U (en) | System for high warm -pressing ball production carbide | |
| CN101314715B (en) | Double-layer charing chamber type coke oven with wedged bottom | |
| CN206142837U (en) | Production system of carbide with adjustable pyrolysis oven | |
| CN206203894U (en) | A kind of production system of the calcium carbide that pyrolysis gas are recycled | |
| CN106148627A (en) | A kind of molten point of stove reduction system and method for natural gas oxygen heating | |
| CN106241808B (en) | The production system and method for the calcium carbide that a kind of pyrolysis gas recycles | |
| CN106086283A (en) | A kind of molten point of stove reduction system and method for schreyerite | |
| CN210215418U (en) | Shaft furnace direct reduced iron device suitable for gas base and coal base | |
| CN201433222Y (en) | Internally-externally-heating sponge iron reduction device | |
| CN106281381A (en) | Rotatable radiation bed | |
| CN217202811U (en) | Pellet reduction system based on mixed circulation of rotary kiln pellet drying hot air and roasting hot air | |
| CN206142841U (en) | System for two shaft furnace production carbide of pyrolysis gas cyclic utilization | |
| CN106082226B (en) | A kind of system and method for high temperature pressure ball production calcium carbide | |
| CN2666909Y (en) | Energy-saving environment protection active lime burning-in shaft kiln | |
| CN106082225B (en) | A kind of production system and method for the calcium carbide for being provided with double shaft furnaces | |
| CN106082223B (en) | A kind of production system and method for the calcium carbide provided with adjustable pyrolysis oven | |
| CN106086278A (en) | A kind of molten point of stove reduction system and method for injecting oxygen | |
| CN205917293U (en) | Melting furnace reduction system of buggy heating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20170503 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20170503 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |