CN106744708A - A kind of application method for preparing insoluble sulfur process unit - Google Patents
A kind of application method for preparing insoluble sulfur process unit Download PDFInfo
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- CN106744708A CN106744708A CN201710128826.XA CN201710128826A CN106744708A CN 106744708 A CN106744708 A CN 106744708A CN 201710128826 A CN201710128826 A CN 201710128826A CN 106744708 A CN106744708 A CN 106744708A
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- Prior art keywords
- nitrogen
- sulphur
- insoluble sulfur
- heating
- projection granulating
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 183
- 239000011593 sulfur Substances 0.000 title claims abstract description 80
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 66
- 230000008569 process Effects 0.000 title claims abstract description 37
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 153
- 239000005864 Sulphur Substances 0.000 claims abstract description 90
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 75
- 239000003595 mist Substances 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000005469 granulation Methods 0.000 claims abstract description 12
- 230000003179 granulation Effects 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 69
- 229920006395 saturated elastomer Polymers 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 17
- 238000000889 atomisation Methods 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 14
- 239000007791 liquid phase Substances 0.000 claims description 11
- 239000012071 phase Substances 0.000 claims description 11
- 238000010926 purge Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 238000013461 design Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 7
- 230000005068 transpiration Effects 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000004073 vulcanization Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAQHXGSHRMHVMU-UHFFFAOYSA-N [S].[S] Chemical compound [S].[S] XAQHXGSHRMHVMU-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/12—Insoluble sulfur (mu-sulfur)
Abstract
The present invention relates to insoluble sulfur technical field, and in particular to a kind of application method for preparing insoluble sulfur process unit, it is characterized in that：Application method including reclaiming nitrogen component, mist projection granulating tower, liquid nitrogen storage tank, Sulfur evaporator.Cooling spray granulation is conducive to preventing insoluble sulfur to the conversion of common sulphur after sulphur is heated to be overheat sulphur steam; improve its stability; cooled down as insoluble sulfur using 20 22 DEG C of recovery nitrogen of temperature, protected, granulated, separated, the technological operation medium of conveying is preferred technical scheme; recovery nitrogen circulation is conducive to utilize reduces cost; so as to complete the whole technical process of mist projection granulating in tower, make it possible industrialization production.
Description
Technical field
The present invention relates to insoluble sulfur technical field, and in particular to a kind of use for preparing insoluble sulfur process unit
Method.
Background technology
Insoluble sulfur（IS）Also known as polymerised sulphur, also known as μ types sulphur refers to the sulphur insoluble in carbon disulfide, is the long-chain of sulphur
Polymer, with chemically and physically inertia.It is 1% in the solubility of rubber due to using common sulphur, common sulphur is in rubber
Consumption exceed its dissolving part sizing material cooling after can spray surface, i.e. bloom.Bloom will be influenceed between semifinished part
Stickiness simultaneously brings adverse effect to product vulcanization uniformity, therefore in sulfur consumption appropriate to the occasion use insoluble sulfur higher, it is insoluble
Sulphur does not dissolve in rubber, only dispersed in elastomeric compound, and product vulcanization crosslinking point is uniform, has with its rubber for vulcanizing optimal
No blooming, and can effectively prevent sizing material from occurring early stage incipient scorch in process and promote rubber and steel wire or chemical fibre curtain
The bonding of sub-line, is the dedicated vulcanization agent of radial tyre production.Chinese invention patent（Patent No. 201310511371.1,
Patent name is a kind of method for preparing insoluble sulfur）A kind of method for preparing insoluble sulfur is disclosed, it is characterized in that：1）
Melting：Raw material sulphur is directly heated to 280~400 DEG C, it is melted；2）Atomization：Sulphur liquid after melting is through atomizer
Centrifugal atomizing is into 10 μm~50 μm of sulphur droplet；3）Polymerization：Nitrogen at room is mixed with sulphur droplet after being distributed through gas distributor
Close；Sulphur drop is stopped 2~25 seconds on tower body top, and nitrogen outlet temperature control is at 180~240 DEG C；4）Chilling：After polymerization
Sulphur is cooled to -40~0 DEG C and mixes through the nitrogen after gas distributor distribution with through cooling device again, into tower body bottom,
Less than 60 DEG C were cooled at 2~20 seconds；5）Separate packaging：Cyclonic separation, collects, and packaging obtains insoluble sulfur product.China
Patent of invention（Patent No. 02157245.3, patent name is the preparation method of insoluble sulfur）Disclose insoluble sulfur
Preparation method, it is characterized in that：1. a kind of preparation method of non-oil-filled type insoluble sulfur, it is characterised in that non-oil-filled type is insoluble
Sulfur product mainly includes following preparation process：(1) by common sulphur and the compound stabilizer of mass percent 0.01~0.2%
In adding with heating, the container of stirring, it is filled with inert gas and protects, the constant temperature 10- at a temperature of 250~350 DEG C
90min, after the cooling via superheater, spray gun, atomisation tower and heat exchanger, can obtain conversion ratio be 53~55% it is insoluble
Sulphur crude product；Compound stabilizer is made up of I2 or Br2 with rubber accelerator DM or DZ；(2) by insoluble sulfur crude product with
The solid-to-liquid ratio mixing of leaching agent in mass ratio 1: 15~20, stirs 5~60min at a temperature of 45~80 DEG C, filters while hot, can
Obtain the non-oil-filled type product of high content insoluble sulfur.
Conventional example one discloses a kind of method for preparing insoluble sulfur, and mainly prepare that rubber tyre uses is insoluble
Property sulphur, cooling medium is liquid nitrogen, technological process be melting, atomization, polymerization, chilling, separation pack, it is critical only that how to protect
Sulphur liquid after card melting through atomizer centrifugal atomizing into 20 μm of average grain diameter sulphur droplet, will to reach above technology
Ask, it is necessary to ensure that atomizer at high operating temperatures still being capable of reliably working（Centrifugal atomizing needs atomizer high-speed rotation）, it is many
It is well known, according to the 280-400 DEG C of production environment of high temperature, batch industrialization production it is difficult to ensure that atomizer can normal work and
Ensure the Particle size requirements of sulphur droplet；Conventional example two discloses the preparation method of insoluble sulfur, and main innovation point is
Complete the preparation of insoluble sulfur using normal pressure or low-voltage equipment, main production plant be heat, the container that stirs, superheater,
Spray gun, atomisation tower and heat exchanger, be with immediate technical scheme of the invention, but the details of process units is not disclosed.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of use for preparing insoluble sulfur process unit
Method, it is characterized in that：
Step one, reclaim nitrogen component, mist projection granulating tower, Sulfur evaporator, time 5-8 first by inert nitrogen gas purging
Minute, Cosan then is injected to Cosan storage tank, while being passed through saturated vapor toward saturated vapor heating coil, heating saturation is steamed
Vapour heating kettle makes its temperature remain 180-190 DEG C, and is passed through high-temperature flue gas to Hot-blast Heating chuck, heats hot-blast heater
Body makes its temperature reach 460-480 DEG C.
Step 2, according to design production efficiency requirement Cosan is at the uniform velocity injected saturated vapor heating kettle, Cosan
Uniformly fall into saturated vapor heating coil contact surface to be heated, sulphur switchs to molten condition, Molten sulphur is steamed in transpiration lower edge
Rise convection tube enter distribution device assembly, 460-480 DEG C of high-temperature heating of Hot-blast Heating inboard wall of furnace body rapidly gasify to be formed gas-liquid mix
Compound, gas-liquid mixture fluid declines along Hot-blast Heating inboard wall of furnace body spiral, and liquid phase part is got rid of in the presence of cyclonic separation
Continue to evaporate to Hot-blast Heating furnace body wall, gas phase portion is enriched with to Hot-blast Heating body of heater top, does not evaporate complete liquid phase part
It is enriched in Hot-blast Heating body of heater bottom and returns to saturated vapor heating kettle, gas phase portion through circulative convection pipe（Overheat sulphur steam）
Into overheat sulphur steam intermediate tank storage, it is 0.4MPa to set overheat sulphur steam intermediate tank storage pressure.
Step 3, the gas-liquid of the liquid phase that the sulphur fluid for heating kettle through circulative convection pipe return saturated vapor is enrichment are mixed
Compound, the Cosan for purging injection from bottom to top in saturated vapor heating kettle body forms the fluid-mixing of convection current, is steamed with saturation
Vapour heating coil heating surface is fully contacted, and sulphur fluid obtains sufficient mass-and heat-transfer, then through rising convection tube, distribution device assembly
A closed fluid circulation loop is formed into hot-blast heater body.
Step 4, the overheat sulphur steam of overheat sulphur steam intermediate tank storage are exported in spray gun assembly, overheat sulphur
The liquid nitrogen mixing chilling that steam comes with liquid nitrogen storage tank conveying forms nitrogen and sulphur mixed with polymers fluid, through going out for spray gun assembly
Mouth end sprays, and nitrogen washes away atomization comb component taper comb convex-concave surface and agitates to form insoluble with sulphur mixed with polymers fluid high-speed
Property sulphur mist, through being atomized stop and the guiding of comb component, sprayed in atomization comb component both sides, direction and mist projection granulating tower body phase
Cut.The recovery nitrogen come up with air compartment, air distribution plate, blast cap purging in mist projection granulating tower body mixes, and adjusts blast cap and cloth wind
The distance of plate, and the air vent being close on the Wind discharging hat of material blanking tube periphery 3~4 unifies the navigation designing of direction perforate, nitrogen meeting
Wall forms spiralling wind band along mist projection granulating tower body, carries insoluble sulfur mist and realizes cooling, granulation, separation, conveying
Technical process：Insoluble sulfur mist during wall spiral, is formed and constantly grown up with nitrogen along mist projection granulating tower body
Particle and mutually collide, friction loses kinetic energy, and assembles to mist projection granulating tower body center, particle growth is straight to aerodynamics
After the 5-7mm of footpath, fall under gravity into material blanking tube and enter next procedure.
Step 5, the nitrogen after being separated with insoluble sulfur particle continues upwardly into material returning device, and the sulphur in nitrogen is thin
Cyclonic separation is returned in mist projection granulating tower body particle again, tail gas（Nitrogen）Reclaimed after being discharged through aiutage, a part of nitrogen warp
Heat exchanger is transported to air compartment recycling after being cooled to 20-22 DEG C of temperature through roots blower component.
Inventor has found that overheat sulphur steam can be used two sections of mode of heatings and directly heat mode and obtains, described direct
Mode of heating is flashed for Cosan more than boiling temperature, i.e., sulphur is directly changed into gas phase, two sections of mode of heatings from solid phase
It is overheat sulphur steam to be first to heat to molten condition (liquid phase) and then reheating（Gas phase）, the former sulphur condensate after chilling
（Insoluble sulfur）Yield is higher, and the former power consumption is lower.
Inventor has found that two sections of mode of heatings of present invention design are divided into low-temperature zone and high temperature section, and the heating of low-temperature zone is situated between
Matter selects saturated vapor, and heating-up temperature is 180-190 DEG C, and high temperature section heating medium selects high-temperature flue gas, and heating-up temperature is 460-
480℃.Using rising principle design, rising pipe and circulation pipe complete material conveying, mass transfer, heat transfer operational process of craft.Two
Section mode of heating makes sulphur complete mass-and heat-transfer technical process, the heat exchange between heater with gas-liquid mixture flow morphology
Mode is convection current, conduction, and directly heats mode（Flash distillation）The heat exchange mode only conduction pattern of overheat sulphur steam is produced, i.e.,
Conduction heating of the heater to sulphur solid, it is well known that fluid convection heat exchange mode exchanges heat compared with solid conduction heat exchange mode
Area is big, the coefficient of heat transfer is high, heat exchange rate is high, therefore its mode of production more energy-conservation, production efficiency is higher.
Inventor has found that insoluble sulfur content is higher, preferably just insoluble sulfur processed is produced high-temperature stability to obtain
Product, atomization is critical process, by adjusting the gap that guide ring is combed with taper, makes insoluble sulfur with nitrogen fluid-mixing at a high speed
Injection, considers overheat sulphur steam pans in safety, the atomization comb component of the condition of high temperature to insoluble sulfur and nitrogen
The resistance of fluid-mixing, it is 0.4Mpa preferably to overheat sulphur steam output pressure, and insoluble sulfur runs into nitrogen fluid-mixing
The rough surface of taper comb, agitates the drop for being separated into and being suspended in nitrogen, improves rapidly cooling effect, and make just system
Insoluble sulfur product yield is improved.
Inventor has found, because insoluble sulfur is higher with nitrogen fluid-mixing flow velocity, to prevent fluid-mixing from directly falling
Enter material blanking tube and disturbance cloth wind is uniform, insoluble sulfur stops backward spraying with nitrogen fluid-mixing through being atomized the baffle ring of comb component
Granulation tower body wall tangent line both sides cast, and mix and along spraying with the recovery nitrogen come up from atomization granulation tower bottom air distribution plate purging
Granulation tower body wall spiral.
Inventor has found that granulation is conducive to preventing insoluble sulfur to the conversion of common sulphur, improves its stability.Using
The 20-22 DEG C of recovery nitrogen of temperature is cooled down as insoluble sulfur, protected, granulating, separating, the technological operation medium of conveying is excellent
The technical scheme of choosing, is conducive to recovery nitrogen circulation to utilize reduces cost.Therefore one is designed in mist projection granulating tower exhaust outlet
Aiutage, heat exchanger, roots blower component, air compartment, mist projection granulating tower body, material returning device are sequentially connected and end to end closure is followed
Ring fluid passage is used to reclaim nitrogen, it is contemplated that reclaiming in nitrogen has the micro insoluble sulfur may to block fluid passage, designs
Heat exchanger is vertical shell-and-tube heat exchanger, reclaims nitrogen and walks tube side, and heat exchanger tube pass flow velocity higher washes away and makes insoluble sulfur
It is not easily blocked.
Inventor has found that nitrogen comes up from atomization granulation tower bottom air distribution plate purging, around material blanking tube 3-4 Wind discharging hats to
The perforate in same direction, is oriented to nitrogen spiral.Observed from air-flow cross section transverse, air-flow have periphery flow velocity it is fast,
Center flow velocity is slow, the periphery feature big compared with center pressure, can order about the insoluble sulfur particle constantly grown up and throws to tower wall and rub
Sidewipe collision loses kinetic energy whereabouts, and assembles to center, and insoluble sulfur particle diameter is grown up to after certain diameter in the work of gravity
With lower and nitrogen separation, subsequent processing is entered through material blanking tube.
Relative to prior art, the present invention is at least containing having the advantage that：First, prior art prepares sulphur glue（It is insoluble
Sulphur）Atomization is drop chilling polymerization again after technological process makes sulphur be in molten condition for 180~240 DEG C of heating-up temperature, compared with
The rapid type of cooling produces sulphur glue after being heated to its boiling temperature overheat sulphur steam formed above（Insoluble sulfur）Yield
It is low；Second, it is to be first to heat to molten condition (liquid phase) and then again that the present invention prepares overheat sulphur steam using two sections of mode of heatings
It is heated to be overheat sulphur steam（Gas phase）, the sulphur condensate obtained after chilling（Insoluble sulfur）Yield is higher, consumes energy lower；The
Three, liquid nitrogen（Nitrogen）Rapidly cooling, protection, atomization needed for preparing insoluble sulfur as a kind of technical process medium completion,
Granulation, conveying, separate operational process of craft, are optimal technical process media；4th, nitrogen makes sulphur as protection gas
The possibility for firing is extremely low, beneficial to safety in production；5th, by adjusting the gap that guide ring is combed with taper, make insoluble sulfur
Sprayed at a high speed with nitrogen fluid-mixing, run into the rough surface of taper comb, agitate the drop for being separated into and being suspended in nitrogen,
Rapidly cooling effect is improved, and improves just insoluble sulfur product yield processed；6th, granulation is conducive to preventing insoluble sulfur
Sulphur improves its stability to the conversion of common sulphur, cooled down as insoluble sulfur using the 20-22 DEG C of recovery nitrogen of temperature,
Protection, the technological operation medium for granulating, separating, conveying are preferred technical schemes, are conducive to reclaiming nitrogen circulation using reduction
Cost, therefore design aiutage, heat exchanger, roots blower component, air compartment, a mist projection granulating in mist projection granulating tower exhaust outlet
Tower body, material returning device are sequentially connected and end to end closed circulation fluid passage is used to reclaim nitrogen, it is contemplated that in recovery nitrogen
Having micro insoluble sulfur may block fluid passage, and design heat exchanger is vertical shell-and-tube heat exchanger, reclaims nitrogen and walks tube side,
Heat exchanger tube pass flow velocity higher washes away and is not easily blocked insoluble sulfur；7th, batch industrialized manufacturing technique operating process
Carried out in closed process units, making the probability of pollution environment becomes extremely low, also beneficial to preventing occupational disease in workplace
Factor endangers.
Brief description of the drawings
Fig. 1 is a kind of main structure diagram of the application method for preparing insoluble sulfur process unit of the present invention.
Fig. 2 is a kind of overlooking the structure diagram of the application method for preparing insoluble sulfur process unit of the present invention.
Fig. 3 is a kind of A partial enlargement structural representations of the application method for preparing insoluble sulfur process unit of the present invention.
Fig. 4 is a kind of B-B cross-sectional views of the application method for preparing insoluble sulfur process unit of the present invention.
Fig. 5 is a kind of C-C cross-sectional views of the application method for preparing insoluble sulfur process unit of the present invention.
Fig. 6 is a kind of D partial enlargement structural representations of the application method for preparing insoluble sulfur process unit of the present invention.
Fig. 7 is a kind of E of the application method for preparing insoluble sulfur process unit of the present invention to structural representation.
Fig. 8 is a kind of F full-page proof structural representations of the application method for preparing insoluble sulfur process unit of the present invention.
Fig. 9 is a kind of G rotation mplifying structure schematic diagrams of application method for preparing insoluble sulfur process unit of the present invention.
Figure 10 is a kind of H partial enlargement structural representations of the application method for preparing insoluble sulfur process unit of the present invention
Figure.
1- reclaims nitrogen component 2- mist projection granulating tower 3- Sulfur evaporators
4- heat exchanger 5- roots blower component 6- material blanking tube 7- air distribution plates
8- air compartment 9- mist projection granulating tower body 10- material returning device 11- aiutages
12- liquid nitrogen storage tank 13- spray gun assemblies 14- is atomized comb component 15- blast caps
16- Cosan storage tank 17- saturated vapor heating kettle component 18- saturated vapors heat kettle
19- transpiration convection tube 20- saturated vapor heating coil 21- circulative convection pipes
22- superheaters 23- is distributed device assembly 24- Hot-blast Heating chucks
25- Hot-blast Heating bodies of heater 26- overheats sulphur steam pans.
Specific embodiment
The present apparatus is described further with specific embodiment below in conjunction with the accompanying drawings.
As shown in accompanying drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, one kind prepares insoluble the present invention
The application method of sulphur process unit, it is characterized in that：Step one, reclaimed first by inert nitrogen gas purging nitrogen component 1,
Mist projection granulating tower 2, Sulfur evaporator 3, time 5-8 minutes, then inject Cosan to Cosan storage tank 16, while being steamed toward saturation
Vapour heating coil 17 is passed through saturated vapor, and heating saturated vapor heating kettle 18 makes its temperature remain 180-190 DEG C, and to heat
Wind heating jacket 24 is passed through high-temperature flue gas, and heating Hot-blast Heating body of heater 25 makes its temperature reach 460-480 DEG C.
Step 2, according to design production efficiency requirement Cosan is at the uniform velocity injected saturated vapor heating kettle 18, sulphur
Powder uniformly falls into the contact surface of saturated vapor heating coil 20 and is heated, and sulphur switchs to molten condition, and Molten sulphur is under transpiration
Enter distribution device assembly 23 along rising convection tube 19, rapidly gasify in Hot-blast Heating body of heater 460-480 DEG C of high-temperature heating of 25 inwall
Gas-liquid mixture is formed, gas-liquid mixture fluid declines along the spiral inner wall of Hot-blast Heating body of heater 25, and liquid phase part is in cyclonic separation
In the presence of be thrown toward the wall of Hot-blast Heating body of heater 25 and continue to evaporate, gas phase portion does not steam to the enrichment of the top of Hot-blast Heating body of heater 25
Send out liquid phase part complete and be enriched in the bottom of Hot-blast Heating body of heater 25 and return to saturated vapor heating kettle 18 through circulative convection pipe 21,
Gas phase portion（Overheat sulphur steam）Stored into overheat sulphur steam pans 26, overheat sulphur steam pans 26 are set and are stored up
Pressure is deposited for 0.4MPa.
The gas of step 3, the liquid phase that the sulphur fluid for heating kettle 18 through the return saturated vapor of circulative convection pipe 21 is enrichment
Liquid mixture, the Cosan for purging injection from bottom to top in saturated vapor heating kettle 18 forms the fluid-mixing of convection current, with
The heating surface of saturated vapor heating coil 20 is fully contacted, and sulphur fluid obtains sufficient mass-and heat-transfer, then through rising convection tube 19,
Distribution device assembly 23 enters Hot-blast Heating body of heater 25 and forms a closed fluid circulation loop.
Step 4, the overheat sulphur steam output of the storage of overheat sulphur steam pans 26 are arrived in spray gun assembly 13, overheat
The liquid nitrogen mixing chilling that sulphur steam comes with the conveying of liquid nitrogen storage tank 12 forms nitrogen and sulphur mixed with polymers fluid, through spray gun group
The port of export of part 13 sprays, and nitrogen washes away the taper comb convex-concave surface of atomization comb component 14 and swashs with sulphur mixed with polymers fluid high-speed
Swing to form insoluble sulfur mist, through being atomized stop and the guiding of comb component 14, be atomized the both sides ejection of comb component 14, direction and spray
Mist granulation tower body 9 is tangent.The recovery nitrogen come up with air compartment 8, air distribution plate 7, the purging of blast cap 15 in mist projection granulating tower body 9 is mixed
Close, adjust the distance of blast cap 15 and air distribution plate 7, and the air vent unification on the Wind discharging hat 15 of 6 periphery of material blanking tube 3~4
The navigation designing of direction perforate, nitrogen can form spiralling wind band along the inwall of mist projection granulating tower body 9, carry insoluble sulfur
The technical process that mist realizes cooling, granulation, separates, conveys：Insoluble sulfur mist is with nitrogen along the spiral inner wall of mist projection granulating tower body 9
During rising, form the continuous particle grown up and mutually collision, friction loses kinetic energy, and to the center of mist projection granulating tower body 9
Aggregation, after particle growth to aerodynamic diameter 5-7mm, falls under gravity into material blanking tube 6 and enters next procedure.
Step 5, the nitrogen after being separated with insoluble sulfur particle continues upwardly into material returning device 10, the sulphur in nitrogen
Cyclonic separation is returned in mist projection granulating tower body 9 fine grained again, tail gas（Nitrogen）Reclaimed after being discharged through aiutage 11, a part of nitrogen
Gas is transported to air compartment 8 and recycles after being cooled to 20-22 DEG C of temperature through heat exchanger 4 through roots blower component 5.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, the invention is not limited in specific embodiment disclosed and described above, to of the invention
Some modifications and changes should also be as falling into scope of the claims of the invention.Although additionally, being used in this specification
Some specific terms, but these terms are merely for convenience of description, do not constitute any limitation to the present invention.
Claims (5)
1. a kind of application method for preparing insoluble sulfur process unit, it is characterized in that：Step one, first by inert gas nitrogen
Recovery nitrogen component, mist projection granulating tower, Sulfur evaporator are swept in air-blowing, time 5-8 minutes, then inject sulphur to Cosan storage tank
Powder, while being passed through saturated vapor toward saturated vapor heating coil, heating saturated vapor heating kettle makes its temperature remain 180-
190 DEG C, and high-temperature flue gas are passed through to Hot-blast Heating chuck, heating Hot-blast Heating body of heater makes its temperature reach 460-480 DEG C；Step
2nd, Cosan is at the uniform velocity injected saturated vapor heating kettle according to the production efficiency requirement of design, Cosan uniformly falls into saturation
Steam(-)coil contact surface is heated, and sulphur switchs to molten condition, and Molten sulphur enters in transpiration lower edge transpiration convection tube
Distribution device assembly, rapidly gasifies to form gas-liquid mixture in 460-480 DEG C of high-temperature heating of Hot-blast Heating inboard wall of furnace body, gas-liquid mixed
Logistics body declines along Hot-blast Heating inboard wall of furnace body spiral, and liquid phase part is thrown toward Hot-blast Heating body of heater in the presence of cyclonic separation
Wall continues to evaporate, and gas phase portion is enriched with to Hot-blast Heating body of heater top, does not evaporate complete liquid phase part and is enriched in Hot-blast Heating
Bottom of furnace body returns to saturated vapor heating kettle, gas phase portion through circulative convection pipe（Overheat sulphur steam）Steamed into overheat sulphur
Vapour intermediate tank storage；Step 3, the liquid phase that the sulphur fluid for heating kettle through circulative convection pipe return saturated vapor is enrichment
Gas-liquid mixture, the Cosan for purging injection from bottom to top in saturated vapor heating kettle body forms the fluid-mixing of convection current, with
Saturated vapor heating coil heating surface is fully contacted, and sulphur fluid obtains sufficient mass-and heat-transfer, then through rising convection tube, distribution
Device assembly enters hot-blast heater body and forms a closed fluid circulation loop；Step 4, overheat sulphur steam intermediate tank storage
The output of overheat sulphur steam in spray gun assembly, overheat sulphur steam is formed with the liquid nitrogen mixing chilling of liquid nitrogen storage tank conveying
Nitrogen and sulphur mixed with polymers fluid, spray through the port of export of spray gun assembly, nitrogen and sulphur mixed with polymers fluid high-speed
Atomization comb component taper comb convex-concave surface is washed away to agitate to form insoluble sulfur mist, through being atomized stop and the guiding of comb component,
Atomization comb component both sides are sprayed, and direction is cut with mist projection granulating tower body phase, with air compartment, air distribution plate, blast cap in mist projection granulating tower body
The recovery nitrogen mixing that purging comes up, insoluble sulfur mist with nitrogen along mist projection granulating tower body during wall spiral,
Form the continuous particle grown up and mutually collision, friction loses kinetic energy, and assemble to mist projection granulating tower body center, in the work of gravity
Material blanking tube is fallen under enter next procedure；Step 5, the nitrogen after being separated with insoluble sulfur particle is continued upwardly into and returned
Glassware, cyclonic separation is returned in mist projection granulating tower body the sulphur fine grained in nitrogen again, tail gas（Nitrogen）Discharged through aiutage
After reclaim.
2. a kind of application method for preparing insoluble sulfur process unit according to claim 1, it is characterized in that：Adjust
The guiding that air vent in the distance of blast cap and air distribution plate, and the close Wind discharging hat of material blanking tube periphery 3~4 unifies direction perforate sets
Meter, nitrogen can form spiralling wind band by wall along mist projection granulating tower body, carry insoluble sulfur mist realize cooling, granulation,
The technical process for separating, conveying.
3. a kind of application method for preparing insoluble sulfur process unit according to claim 1, it is characterized in that：Comprehensively examine
Consider overheat sulphur steam pans the condition of high temperature safety, atomization comb component to insoluble sulfur and nitrogen fluid-mixing resistance
Power, it is 0.4Mpa preferably to overheat sulphur steam output pressure, and overheat sulphur steam intermediate tank storage pressure is 0.4MPa, insoluble
Sulphur runs into the rough surface of taper comb with nitrogen fluid-mixing, agitates the drop for being separated into and being suspended in nitrogen, makes urgency
Fast cooling effect is improved, and improves just insoluble sulfur product yield processed.
4. a kind of application method for preparing insoluble sulfur process unit according to claim 1, it is characterized in that：It is insoluble
Sulphur mist during wall spiral, forms the particle constantly grown up with nitrogen along mist projection granulating tower body, design particle
Aerodynamic diameter is 5-7mm.
5. a kind of application method for preparing insoluble sulfur process unit according to claim 1, it is characterized in that：A part
Nitrogen is transported to air compartment and recycles after being cooled to 20-22 DEG C of temperature through heat exchanger through roots blower component.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109225060A (en) * | 2018-10-17 | 2019-01-18 | 杨松 | A kind of application method preparing the dedicated filtrate prilling granulator of hydrogen fluoride moving bed filter |
| CN115043381A (en) * | 2022-07-01 | 2022-09-13 | 常州工学院 | Sulfur saturated mother liquor regeneration and recycling device and operation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202038863U (en) * | 2010-12-24 | 2011-11-16 | 洁星环保科技投资（上海）有限公司 | Preparation device of insoluble sulphur |
| CN103803505A (en) * | 2014-03-12 | 2014-05-21 | 四川宏达股份有限公司 | Overheating sulfur steam production technology |
| CN104359293A (en) * | 2014-11-07 | 2015-02-18 | 山东阳谷华泰化工股份有限公司 | Drying process for insoluble sulfur and process equipment for insoluble sulfur |
| CN104401945A (en) * | 2014-10-20 | 2015-03-11 | 江西恒兴源化工有限公司 | High-temperature molten sulfur porous spraying type chilling quenching method |
| CN104555943A (en) * | 2013-10-12 | 2015-04-29 | 江苏宏泰橡胶助剂有限公司 | Method for preparing high-quality insoluble sulphur from continuous pipelined overheated sulphur steam |
-
2017
- 2017-03-06 CN CN201710128826.XA patent/CN106744708B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202038863U (en) * | 2010-12-24 | 2011-11-16 | 洁星环保科技投资（上海）有限公司 | Preparation device of insoluble sulphur |
| CN104555943A (en) * | 2013-10-12 | 2015-04-29 | 江苏宏泰橡胶助剂有限公司 | Method for preparing high-quality insoluble sulphur from continuous pipelined overheated sulphur steam |
| CN103803505A (en) * | 2014-03-12 | 2014-05-21 | 四川宏达股份有限公司 | Overheating sulfur steam production technology |
| CN104401945A (en) * | 2014-10-20 | 2015-03-11 | 江西恒兴源化工有限公司 | High-temperature molten sulfur porous spraying type chilling quenching method |
| CN104359293A (en) * | 2014-11-07 | 2015-02-18 | 山东阳谷华泰化工股份有限公司 | Drying process for insoluble sulfur and process equipment for insoluble sulfur |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109225060A (en) * | 2018-10-17 | 2019-01-18 | 杨松 | A kind of application method preparing the dedicated filtrate prilling granulator of hydrogen fluoride moving bed filter |
| CN109225060B (en) * | 2018-10-17 | 2020-10-02 | 苏州知瑞光电材料科技有限公司 | Use method of special filter material granulation device for preparing hydrogen fluoride moving bed filter |
| CN115043381A (en) * | 2022-07-01 | 2022-09-13 | 常州工学院 | Sulfur saturated mother liquor regeneration and recycling device and operation method thereof |
| CN115043381B (en) * | 2022-07-01 | 2023-09-12 | 常州工学院 | Sulfur saturated mother liquor regeneration and recycling device and operation method thereof |
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