CN108997794A - A kind of multiple head plasma method prepares the reaction system of carbon black - Google Patents
A kind of multiple head plasma method prepares the reaction system of carbon black Download PDFInfo
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- CN108997794A CN108997794A CN201810886334.1A CN201810886334A CN108997794A CN 108997794 A CN108997794 A CN 108997794A CN 201810886334 A CN201810886334 A CN 201810886334A CN 108997794 A CN108997794 A CN 108997794A
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- Prior art keywords
- conversion zone
- furnace body
- burner hearth
- cooling section
- extended segment
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 146
- 239000006229 carbon black Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 84
- 238000006467 substitution reaction Methods 0.000 claims abstract description 13
- 239000000498 cooling water Substances 0.000 claims description 37
- 239000007789 gas Substances 0.000 abstract description 52
- 239000011261 inert gas Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000011017 operating method Methods 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 210000000038 chest Anatomy 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- -1 C-H chemical compound Chemical class 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/50—Furnace black ; Preparation thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses the reaction system that a kind of multiple head plasma method prepares carbon black, including at least two burners, burner connects same flue.Burner includes furnace body, plasma gun and high temperature stop valve.Furnace body includes conversion zone furnace body and cooling section furnace body, and conversion zone furnace body is connect with cooling section furnace body.Conversion zone furnace body has conversion zone burner hearth, and cooling section furnace body has cooling section burner hearth.High temperature stop valve is set between conversion zone furnace body and cooling section furnace body, to control the connected state of conversion zone burner hearth Yu cooling section burner hearth.Cooling section furnace body is connect far from one end of conversion zone furnace body with flue, and cooling section burner hearth is connected to flue.Plasma gun is removably installed in conversion zone furnace body, and section furnace body is answered to be provided with the unstrpped gas entrance and substitution gas entrance being connected to conversion zone burner hearth.The reaction system ensure that the continuity of production, improve production efficiency, and substantially reduce the dosage of inert gas.
Description
Technical field
The present invention relates to carbon black preparation technical fields, prepare carbon black in particular to a kind of multiple head plasma method
Reaction system.
Background technique
Plasma method carbon black: the carbon black that unstripped gas is cracked to form with plasma method.By the inert gases electricity such as hydrogen or helium, nitrogen
From and having electronic state, i.e., generation high-temperature plasma area, unstripped gas is passed through the ion plasma, is cracked to form carbon black and hydrogen,
Carbon black is separated and recovered after chilling, while supervening a large amount of explosion hazard gases, such as H2, C-H chemical compound gas.
Currently, part of the manufacturer and institutes produce hydrogen and carbon in test natural gas pyrolysis mode, the product of this mode is free of
It or is a kind of technique of environmental protection containing a small amount of hydrocarbon.Existing plasma prepares the reaction system of carbon black and hydrocarbon
System is essentially single burner reaction system.In the process of running due to plasma gun, electrode can generate a large amount of heat, high temperature etc.
Ion area temperature is up to 1800 DEG C~2000 DEG C.Therefore, plasma gun generally just needs to carry out more using 100h~1000h
It changes.
It is micro-vacuum state in reaction system in operational process, replacement plasma gun must be anti-in order to avoid buildup
It answers system to stop, plasma gun could be replaced after being replaced with a large amount of inert gas, it otherwise, will in reaction system
It sucks air (oxygen), causes to explode.
Therefore, single burner reaction system is not only unable to continuous production, during replacing plasma gun, to entire anti-
It answers system to be replaced, can also expend a large amount of inert gas.In furnace shutting down process, the pipeline (flue) that burner and rear portion communicate must
It so cools down, when next blow-on, it is necessary to be heated up again, to generate serious thermal losses.
Summary of the invention
The purpose of the present invention is to provide the reaction system that a kind of multiple head plasma method prepares carbon black, multiple burner circulations
Work ensure that the continuity of production, improve production efficiency, and substantially reduce the dosage of inert gas.
The embodiment of the present invention is achieved in that
A kind of multiple head plasma method prepares the reaction system of carbon black, including at least two burners, and burner connects same
Flue.Burner includes furnace body, plasma gun and high temperature stop valve.
Furnace body includes conversion zone furnace body and cooling section furnace body, and conversion zone furnace body is connect with cooling section furnace body.Conversion zone furnace body
With conversion zone burner hearth, cooling section furnace body has cooling section burner hearth.High temperature stop valve is set to conversion zone furnace body and cooling section furnace
Between body, to control the connected state of conversion zone burner hearth Yu cooling section burner hearth.Cooling section furnace body far from conversion zone furnace body one
End is connect with flue, and cooling section burner hearth is connected to flue.The cooling that cooling section furnace body is equipped with for reducing cooling section fire box temperature
Device.
Plasma gun is removably installed in conversion zone furnace body, and the high-temperature plasma area that plasma gun generates is placed in reaction
Section burner hearth；Conversion zone furnace body is provided with the unstrpped gas entrance and substitution gas entrance being connected to conversion zone burner hearth, unstrpped gas
It can be sprayed through unstrpped gas entrance to high temperature ion plasma.
Further, cooling device includes cooling water cavity, cooling water inlet and cooling water outlet, and cooling water cavity is located at cooling
The hollow sandwich of section furnace body, cooling water inlet and cooling water outlet are set to cooling section furnace body, and cooling water inlet and cooling water go out
Mouth is connected to cooling water cavity respectively.
Further, conversion zone burner hearth is cylindrical, and plasma gun is set to one end of conversion zone burner hearth, and unstrpped gas enters
Mouth and substitution gas entrance are set to the side of conversion zone burner hearth, and unstrpped gas entrance is provided with high temperature etc. close to conversion zone burner hearth
One end of ion gun is arranged；Cooling section burner hearth includes changeover portion and extended segment, and changeover portion is in truncated cone-shaped, and extended segment is cylindrical；
Conversion zone burner hearth, changeover portion and the central axis of extended segment are conllinear, and the length of conversion zone burner hearth is less than the total of changeover portion and extended segment
Length；The small end of changeover portion is connected to one end of conversion zone burner hearth, and the big end of changeover portion is connected to one end of extended segment, extended segment
The other end be connected to flue.
Further, conversion zone burner hearth is in prismatic, and plasma gun is set to one end of conversion zone burner hearth, and unstrpped gas enters
Mouth and substitution gas entrance are set to the side of conversion zone burner hearth, and unstrpped gas entrance is provided with high temperature etc. close to conversion zone burner hearth
One end of ion gun is arranged；Cooling section burner hearth includes changeover portion and extended segment, and changeover portion is in positive prismatic table shape, and extended segment is in prism
Shape；Conversion zone burner hearth, changeover portion are identical with the rib number of extended segment, and conversion zone burner hearth, changeover portion and the central axis of extended segment are conllinear,
The length of conversion zone burner hearth is less than the total length of changeover portion and extended segment；The small end of changeover portion and one end of conversion zone burner hearth connect
Logical, the big end of changeover portion is connected to one end of extended segment, and the other end of extended segment is connected to flue.
Further, unstrpped gas entry number is not less than two, and unstrpped gas entrance is with the central axis of conversion zone burner hearth
Centered on be uniformly distributed.
Further, cooling water inlet is located at the one end of cooling section furnace body far from conversion zone furnace body, and cooling water outlet is located at
Cooling section furnace body is close to one end of conversion zone furnace body.
Further, the quantity of burner is three.
The beneficial effect of the embodiment of the present invention is: reaction system of the present invention, and multiple burners are connected to same flue, are convenient for
Inert gas replacement is carried out to entire reaction system, and convenient for carrying out unified collection to carbon black.By the way that spare burner is arranged, avoid
Blowing out reduces thermal losses, guarantees continuous production, improves production efficiency.In each burner, by the way that high temperature stop valve is arranged, make
When plasma gun is replaced, it is only necessary to carry out inert gas replacement to conversion zone burner hearth, greatly reduce inert gas usage amount, save life
Produce cost.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the reaction system that the embodiment of the present invention 1 provides；
Fig. 2 is the structural schematic diagram for the reaction system that the embodiment of the present invention 2 provides；
Fig. 3 is the structural schematic diagram for the reaction system that the embodiment of the present invention 3 provides；
The burner diagrammatic cross-section and burner and flue that Fig. 4 is the embodiment of the present invention 1, embodiment 2, embodiment 3 provide
Connection schematic diagram.
Icon: 100- burner, 110- furnace body, 111- conversion zone furnace body, 112- conversion zone burner hearth, 113- cooling section furnace body,
114- cooling section burner hearth, 1141- changeover portion, the extended segment 1142-, 115- cooling device, 1151- cooling water cavity, 1152- cooling water
Import, 1153- cooling water outlet, 116- plasma gun, 1161- high-temperature plasma area, 117- high temperature stop valve, 118- unstripped gas
Body entrance, 119- substitution gas entrance, 200- flue.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Term " first ", " the
Two " are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.
For the ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment 1
As Figure 1 and Figure 4, the present embodiment provides the reaction systems that a kind of multiple head plasma method prepares carbon black, including two
A burner 100, burner 100 connect same flue 200, and flue 200 is connected with carbon black collection device (not shown).The present embodiment
In, the use of burner 100 is vertical, and in other embodiments of the invention, burner 100 can also use horizontal.Burner 100 includes furnace
Body 110, plasma gun 116 and high temperature stop valve 117.
Furnace body 110 includes conversion zone furnace body 111 and cooling section furnace body 113, conversion zone furnace body 111 and cooling section furnace body 113
Connection.Conversion zone furnace body 111 has conversion zone burner hearth 112, and cooling section furnace body 113 has cooling section burner hearth 114.High temperature stop valve
117 are set between conversion zone furnace body 111 and cooling section furnace body 113, to control conversion zone burner hearth 112 and cooling section burner hearth
114 connected state.The one end of cooling section furnace body 113 far from conversion zone furnace body 111 is connect with flue 200, cooling section burner hearth 114
It is connected to flue 200.The cooling device 115 that cooling section furnace body 113 is equipped with for reducing 114 temperature of cooling section burner hearth.
Plasma gun 116 is removably installed in conversion zone furnace body 111, and plasma gun 116 is provided with for plasma
The carrying gas access of the input carrying gas of rifle 116, the high-temperature plasma area 1161 that ion gun generates is placed in conversion zone burner hearth
112；Conversion zone furnace body 111 is provided with the unstrpped gas entrance 118 and substitution gas entrance 119 being connected to conversion zone burner hearth 112,
Unstrpped gas can be sprayed through unstrpped gas entrance 118 to high temperature ion plasma 1161.
In the present embodiment, the operating procedure of reaction system are as follows:
(1) setting two burners 100 of Fig. 1 are followed successively by No.1 burner 100 and No. two burners 100, reaction system from left to right
The first conversion zone burner hearth 112 before use, open the high temperature stop valve 117 of No.1 burner 100 and No. two burners 100, both made,
Cooling section burner hearth 114 is connected to flue 200, is passed through inert gas by substitution gas entrance 119, is carried out to entire reaction system lazy
Property gas displacement, prevents in reaction system that there are air.
(2) No.1 burner 100 is run, and No. two burners 100 are spare.The operating procedure of burner 100 is, by carrying gas access
Carrying gas is inputted to plasma gun 116, such as the inert gases such as hydrogen or helium, nitrogen, the electrode tip of plasma gun 116 act on
Carrying gas is stated, forms high-temperature plasma area 1161 in conversion zone burner hearth 112；From unstrpped gas entrance 118 to conversion zone furnace
Unstrpped gas, such as natural gas or acetylene gas are passed through in thorax 112, unstripped gas is cracked to form carbon black after contacting with high-temperature plasma
And hydrogen, it is then cooled rapidly in cooling section burner hearth 114, most separates and collects carbon black through flue 200 afterwards.
(3) after No.1 burner 100 works 100h~1000h, No.1 burner 100 is closed, runs No. two burners 100, and more
Change the plasma gun 116 of No.1 burner 100.The replacement step of plasma gun 116 are as follows: close plasma gun 116, stop input and hold
Gas carrier and unstrpped gas close the high temperature stop valve 117 of burner 100, the conversion zone burner hearth 112 and cooling section furnace of burner 100
Thorax 114 is separated, and is passed through inert gas by substitution gas entrance 119, is carried out inert gas pressure to conversion zone burner hearth 112 and is set
It changes, after the explosion hazard gases in conversion zone burner hearth 112 is replaced, the plasma gun that more renews.It first replaces and draws guns again, prevent
Air enters conversion zone burner hearth 112 and causes explosion.
(4) No. two burners 100 work after 100h~1000h, close No. two burners 100, rerun No.1 burner 100,
And replace the plasma gun 116 of No. two burners 100.The operation that burner 100 reruns are as follows: before operation, it is necessary to conversion zone furnace
Thorax 112 carries out inert gas and forces displacement, and removal enters the air of conversion zone burner hearth 112 when replacing plasma gun 116.It opens high
Warm stop valve 117 is connected to the conversion zone burner hearth 112 of burner 100 with cooling section burner hearth 114, i.e., burner in repeatable step (1)
100 operation work.Hereafter, return step (3) then carry out step (4) again, and continuous cycle operation.
In the present embodiment, the specific structure of cooling device 115 are as follows: cooling device 115 includes cooling water cavity 1151, cooling water
Import 1152 and cooling water outlet 1153, cooling water cavity 1151 are located at the hollow sandwich of cooling section furnace body 113, cooling water inlet
1152 and cooling water outlet 1153 be set to cooling section furnace body 113, cooling water inlet 1152 and cooling water outlet 1153 respectively with
Cooling water cavity 1151 is connected to.Cooling water inlet 1152 is located at the one end of cooling section furnace body 113 far from conversion zone furnace body 111, cooling
Water out 1153 is located at cooling section furnace body 113 close to one end of conversion zone furnace body 111.Cooling device 115 acts on cooling section furnace
The hollow sandwich of body 113, active area is big, highly-safe.In other embodiments of the invention, it can also be applicable in using other
In the device of cooling flammable explosive gas, such as: the spray equipment of cooling section furnace body outer wall is acted on, or is set to cooling section furnace
The cooling coil device etc. of internal wall.
In the present embodiment, conversion zone burner hearth 112 is cylindrical, and plasma gun 116 is set to the one of conversion zone burner hearth 112
End, unstrpped gas entrance 118 and substitution gas entrance 119 are set to the side of conversion zone burner hearth 112, unstrpped gas entrance 118
One end setting of high-temperature plasma rifle 116 is provided with close to conversion zone burner hearth 112；Cooling section burner hearth 114 includes changeover portion 1141
With extended segment 1142, changeover portion 1141 is in truncated cone-shaped, and extended segment 1142 is cylindrical.The central axis of cooling section burner hearth 114, transition
The central axis of section 1141 and the central axis of extended segment 1142 are conllinear, and the length of conversion zone burner hearth 112 is less than changeover portion 1141 and prolongs
Stretch the total length of section 1142.The length of cooling section burner hearth 114 is greater than the length of conversion zone burner hearth 112, provides foot for reaction cooling
Enough spaces.The small end of changeover portion 1141 is connected to one end of conversion zone burner hearth 112, the big end of changeover portion 1141 and extended segment
1142 one end connection, the other end of extended segment 1142 are connected to flue 200.Changeover portion 1141 is the stopping of reaction to cooling one
Section is calculated according to reaction residence time.Meanwhile the changeover portion 1141 by the way that cone barrel is arranged, expand cooling water cavity
1151 area improves the cooling active area set, to improve cooling efficiency.
In addition, there are also other embodiments for conversion zone burner hearth 112 and cooling section burner hearth 114, and such as: conversion zone burner hearth 112
In prismatic, plasma gun 116 is set to one end of conversion zone burner hearth 112, unstrpped gas entrance 118 and substitution gas entrance
119 are set to the side of conversion zone burner hearth 112, and unstrpped gas entrance 118 is provided with high-temperature plasma close to conversion zone burner hearth 112
One end of rifle 116 is arranged；Cooling section burner hearth 114 includes changeover portion 1141 and extended segment 1142, and changeover portion 1141 is in positive prismatic table shape,
Extended segment 1142 is in prismatic；Conversion zone burner hearth 112, changeover portion 1141 are identical with the rib number of extended segment 1142, conversion zone burner hearth
The central axis of 112 central axis, the central axis of changeover portion 1141 and extended segment 1142 is conllinear, and the length of conversion zone burner hearth 112 is small
In the total length of changeover portion 1141 and extended segment 1142；The small end of changeover portion 1141 is connected to one end of conversion zone burner hearth 112, mistake
The big end for crossing section 1141 is connected to one end of extended segment 1142, and the other end of extended segment 1142 is connected to flue 200.Certainly, instead
Answer section burner hearth 112 or other prismatic, changeover portion 1141 be with the matched prismatic table shape of its shape, extended segment 1142 be with
Its shape is matched prismatic.
In the present embodiment, 118 quantity of unstrpped gas entrance is two, and certainly, unstrpped gas entry number can also use
Other embodiment, such as 3,4 or more, unstrpped gas entrance 118 is centered on the central axis of conversion zone burner hearth 112
It is uniformly distributed, multichannel unstrpped gas can be processed simultaneously, improve the application efficiency of plasma gun 116, improve production effect
Rate.
Embodiment 2
As shown in Fig. 2, difference from example 1 is that, the quantity of burner 100 is three, and operating method also has not
Together.Specifically, operating procedure are as follows:
(1) three burners 100 are followed successively by 100, No. two burners 100 of No.1 burner and No. three burners from left to right in setting figure
100, reaction system is first before use, opening the high temperature stop valve of No.1 burner 100, No. two burners 100 and No. three burners 100
117, it is connected to the conversion zone burner hearth 112 of three, cooling section burner hearth 114 with flue 200, is passed through by substitution gas entrance 119 lazy
Property gas, inert gas replacement is carried out to entire reaction system, prevents in reaction system that there are air.
(2) No.1 burner 100 is run, and No. two burners 100 are spare, and No. three burners 100 are spare.The operating procedure of burner 100
It is identical as embodiment.
(3) after No.1 burner 100 works 100h~1000h, No.1 burner 100 is closed, runs No. two burners 100, No. three
Furnace body 110 is spare, replaces the plasma gun 116 of No.1 burner 100.The replacement step of plasma gun 116 is identical as embodiment.
(4) No. two burners 100 work after 100h~1000h, close No. two burners 100, run No. three burners 100, replace
The plasma gun 116 of No. two burners 100.Since the time that replacement plasma gun 116 is spent is longer, No.1 burner 100 at this time
Plasma gun 116 may be also in replacement process.
(5) No. three burners 100 work after 100h~1000h, and the replacement of plasma gun 116 of No.1 burner 100 finishes at this time,
No. three burners 100 are closed, No.1 burner 100 is reruned, replace the plasma gun 116 of No. three burners 100.No. two burners 100
Plasma gun 116 may be also in replacement process.The operation that burner 100 reruns is identical as embodiment.Hereafter, step is returned
Suddenly (3) then carry out step (4), step (5), and continuous cycle operation again.
The present embodiment reduces influence caused by taking a long time because of the replacement of plasma gun 116 by three burners 100 of setting,
Furnace can be changed in time, it is ensured that continuous work.
Embodiment 3
As shown in figure 3, the difference is that, the quantity of burner 100 is greater than three, operating method with above-described embodiment
It is different.
Burner 100 is divided for several groups, every group includes multiple burners 100, and burner 100 is run simultaneously in same group, then
It according to embodiment 1 or the operating procedure of embodiment 2, replaces in order, allows 100 cycle operation of multiple groups burner, ensure that production
Continuity greatly improves production efficiency.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. the reaction system that a kind of multiple head plasma method prepares carbon black, it is characterised in that: including at least two burners, the furnace
Head connection same flue；The burner includes furnace body, plasma gun and high temperature stop valve；
The furnace body includes conversion zone furnace body and cooling section furnace body, and the conversion zone furnace body is connect with the cooling section furnace body；Institute
Conversion zone furnace body is stated with conversion zone burner hearth, the cooling section furnace body has cooling section burner hearth；The high temperature stop valve is set to
Between the conversion zone furnace body and the cooling section furnace body, to control the company of the conversion zone burner hearth Yu the cooling section burner hearth
Logical state；The cooling section furnace body is connect far from one end of the conversion zone furnace body with the flue, the cooling section burner hearth with
The flue connection；The cooling device that the cooling section furnace body is equipped with for reducing the cooling section fire box temperature；
The plasma gun is removably installed in the conversion zone furnace body, and the high-temperature plasma area that the plasma gun generates holds
It is placed in the conversion zone burner hearth；The conversion zone furnace body is provided with the unstrpped gas entrance being connected to the conversion zone burner hearth and sets
Gas access is changed, unstrpped gas can be sprayed through the unstrpped gas entrance to the high-temperature plasma area.
2. reaction system as described in claim 1, it is characterised in that: the cooling device include cooling water cavity, cooling water into
Mouthful and cooling water outlet, the cooling water cavity be located at the hollow sandwich of the cooling section furnace body, the cooling water inlet and described
Cooling water outlet is set to the cooling section furnace body, the cooling water inlet and the cooling water outlet respectively with the cooling water
Chamber connection.
3. reaction system as claimed in claim 2, it is characterised in that: it is remote that the cooling water inlet is located at the cooling section furnace body
One end from the conversion zone furnace body, the cooling water outlet are located at the cooling section furnace body close to the one of the conversion zone furnace body
End.
4. reaction system as described in claim 1, it is characterised in that: the conversion zone burner hearth is cylindrical, the plasma
Rifle is set to one end of the conversion zone burner hearth, and the unstrpped gas entrance and the substitution gas entrance are set to the reaction
The side of section burner hearth, the unstrpped gas entrance are set close to one end that the conversion zone burner hearth is provided with the high-temperature plasma rifle
It sets；The cooling section burner hearth includes changeover portion and extended segment, and the changeover portion is in truncated cone-shaped, and the extended segment is cylindrical；Institute
The central axis for stating conversion zone burner hearth, the changeover portion and the extended segment is conllinear, and the length of the conversion zone burner hearth is less than described
The total length of changeover portion and the extended segment；The small end of the changeover portion is connected to one end of the conversion zone burner hearth, the mistake
The big end for crossing section is connected to one end of the extended segment, and the other end of the extended segment is connected to the flue.
5. reaction system as described in claim 1, it is characterised in that: the conversion zone burner hearth is in prismatic, the plasma
Rifle is set to one end of the conversion zone burner hearth, and the unstrpped gas entrance and the substitution gas entrance are set to the reaction
The side of section burner hearth, the unstrpped gas entrance are set close to one end that the conversion zone burner hearth is provided with the high-temperature plasma rifle
It sets；The cooling section burner hearth includes changeover portion and extended segment, and the changeover portion is in positive prismatic table shape, and the extended segment is in prismatic；
The conversion zone burner hearth, the changeover portion are identical with the rib number of the extended segment, the conversion zone burner hearth, the changeover portion and institute
The central axis for stating extended segment is conllinear, and the length of the conversion zone burner hearth is less than the total length of the changeover portion and the extended segment；
The small end of the changeover portion is connected to one end of the conversion zone burner hearth, one end of the big end of the changeover portion and the extended segment
Connection, the other end of the extended segment are connected to the flue.
6. reaction system as described in claim 3 or 4, it is characterised in that: the unstrpped gas entry number is not less than two,
The unstrpped gas entrance is uniformly distributed centered on the central axis of the conversion zone burner hearth.
7. reaction system as described in claim 1, it is characterised in that: the quantity of the burner is three.
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Cited By (1)
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| CN113105760A (en) * | 2021-04-13 | 2021-07-13 | 云南云维飞虎化工有限公司 | Novel environment-friendly high-purity carbon black reaction furnace and production method of environment-friendly high-purity carbon black |
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