CN106744708B - A kind of application method preparing insoluble sulfur process unit - Google Patents
A kind of application method preparing insoluble sulfur process unit Download PDFInfo
- Publication number
- CN106744708B CN106744708B CN201710128826.XA CN201710128826A CN106744708B CN 106744708 B CN106744708 B CN 106744708B CN 201710128826 A CN201710128826 A CN 201710128826A CN 106744708 B CN106744708 B CN 106744708B
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- sulphur
- insoluble sulfur
- heating
- projection granulating
- 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.)
- Active
Links
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 185
- 239000011593 sulfur Substances 0.000 title claims abstract description 82
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 66
- 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 41
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000004064 recycling Methods 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 71
- 229920006395 saturated elastomer Polymers 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 16
- 238000000889 atomisation Methods 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 12
- 239000007791 liquid phase Substances 0.000 claims description 11
- 239000012071 phase Substances 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 6
- 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
- 230000000903 blocking effect Effects 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
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000002309 gasification Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 229920001971 elastomer Polymers 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005469 granulation Methods 0.000 description 5
- 230000003179 granulation Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000004073 vulcanization Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 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
- 238000005265 energy consumption 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
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 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
- 230000007812 deficiency Effects 0.000 description 1
- 239000000835 fiber Substances 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
- 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 fields, and in particular to a kind of application method preparing insoluble sulfur process unit, it is characterized in that：Application method including recycling nitrogen component, mist projection granulating tower, liquid nitrogen storage tank, Sulfur evaporator.Sulphur is heated to be overheat sulphur steam postcooling mist projection granulating and is conducive to the conversion for preventing insoluble sulfur to common sulphur; improve its stability; using the recycling nitrogen of 20 22 DEG C of temperature, protection cooling as insoluble sulfur, the technological operation medium for being granulated, detaching, conveying are preferred technical solutions; being conducive to recycling nitrogen circulation utilization reduces cost; to complete the entire technical process of mist projection granulating in tower, make it possible industrialization production.
Description
Technical field
The present invention relates to insoluble sulfur technical fields, and in particular to a kind of use preparing insoluble sulfur process unit
Method.
Background technology
Insoluble sulfur（IS）Also known as polymerised sulphur, also known as μ types sulphur, refer to the sulphur insoluble in carbon disulfide, are the long-chains of sulphur
Polymer has chemically and physically inertia.Due to the use of common sulphur rubber solubility be 1%, common sulphur is in rubber
Dosage be more than its dissolving part sizing material cooling after can spray surface, i.e. bloom.Bloom will influence between semifinished part
Stickiness simultaneously brings adverse effect to product vulcanization uniformity, therefore higher appropriate to the occasion using insoluble sulfur in sulfur consumption, insoluble
Sulphur does not dissolve in rubber, and only evenly dispersed in rubber compound, product vulcanization crosslinking point is uniform, has with the rubber of its vulcanization best
No blooming, and sizing material can be effectively prevented and occur 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 preparing insoluble sulfur）A kind of method preparing insoluble sulfur is disclosed, it is characterized in that：1）
Melting：Raw material sulphur is directly heated to 280~400 DEG C, its melting is made；2）Atomization：Sulphur liquid after melting is through atomizer
Centrifugal atomizing is at 10 μm~50 μm of sulphur droplet；3）Polymerization：Nitrogen at room is mixed with sulphur droplet after gas distributor distributes
It closes；Sulphur drop stops 2~25 seconds on tower body top, and nitrogen outlet temperature is controlled at 180~240 DEG C；4）Chilling：After polymerization
Sulphur is cooled to -40~0 DEG C and the nitrogen after gas distributor distributes mixes with through cooling device again, into tower body lower part,
It was cooled to 60 DEG C or less at 2~20 seconds；5）Separation packaging：Cyclonic separation is collected, and packaging obtains insoluble sulfur product.China
Patent of invention（Patent No. 02157245.3, patent name are 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 includes mainly following preparation process：(1) by the compound stabilizer of common sulphur and mass percent 0.01~0.2%
It is added in heating, the container stirred, is filled with inert gas and protects, 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 be obtained conversion ratio be 53~55% it is insoluble
Sulphur crude product；Compound stabilizer is made of I2 or Br2 and rubber accelerator DM or DZ；(2) by insoluble sulfur crude product with
The solid-to-liquid ratio of leaching agent in mass ratio 1: 15~20 mixes, and 5~60min is stirred at a temperature of 45~80 DEG C, is filtered while hot, can
Obtain the non-oil-filled type product of high content insoluble sulfur.
Conventional example one discloses a kind of method preparing insoluble sulfur, mainly prepare rubber tyre use it is insoluble
Property sulphur, cooling medium is liquid nitrogen, and technological process is melting, atomization, polymerization, chilling, detaches and pack, and key is how to protect
Sulphur liquid after card melting, at the sulphur droplet of 20 μm of average grain diameter, is wanted through atomizer centrifugal atomizing to reach the above technology
It asks, needs to ensure that atomizer at high operating temperatures still being capable of reliably working（Centrifugal atomizing needs atomizer high-speed rotation）, many
It is well known, according to the production environment of 280-400 DEG C of high temperature, batch industrialization production it is difficult to ensure that atomizer can work normally 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 heating, the container stirred, superheater,
Spray gun, atomisation tower and heat exchanger, be with the immediate technical solution of the present invention, but without the details of openly process units.
Invention content
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of uses preparing insoluble sulfur process unit
Method, it is characterized in that：
Step 1: inert nitrogen gas purging recycling nitrogen component, mist projection granulating tower, Sulfur evaporator are used first, when
Between 5-8 minutes, then inject Cosan to Cosan storage tank, while being passed through saturated vapor toward saturated vapor heating coil, heat
Saturated vapor heating autoclave body makes its temperature remain 180-190 DEG C, and is passed through high-temperature flue gas to Hot-blast Heating chuck, heats hot wind
Heating furnace body makes its temperature reach 460-480 DEG C.
Step 2: requiring at the uniform velocity to inject Cosan into saturated vapor heating autoclave body, Cosan according to the production efficiency of design
It is heated uniformly to fall into saturated vapor heating coil contact surface, sulphur switchs to molten condition, and Molten sulphur is steamed in transpiration lower edge
It rises convection tube and enters distribution device assembly, rapidly to form gas-liquid mixed for gasification in 460-480 DEG C of Hot-blast Heating inboard wall of furnace body high-temperature heating
Object is closed, gas-liquid mixture fluid declines along Hot-blast Heating inboard wall of furnace body spiral, and liquid phase part is got rid of under the action of cyclonic separation
Continue to evaporate to Hot-blast Heating furnace body wall, gas phase portion does not evaporate complete liquid phase part to enrichment at the top of Hot-blast Heating furnace body
It is enriched in Hot-blast Heating furnace body bottom and returns to saturated vapor heating autoclave body, gas phase portion through circulative convection pipe（Overheat sulphur steam）
Into overheat sulphur steam intermediate tank storage, setting overheat sulphur steam intermediate tank storage pressure is 0.4MPa.
Step 3: the gas-liquid that the sulphur fluid for returning to saturated vapor heating autoclave body through circulative convection pipe is the liquid phase of enrichment is mixed
Object is closed, 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 comes into full contact with, 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 is output in spray gun assembly, sulphur is overheated
Steam forms nitrogen and sulphur mixed with polymers fluid, going out through spray gun assembly with the liquid nitrogen mixing chilling that liquid nitrogen storage tank conveying comes
Mouthful end sprays, nitrogen washed away with sulphur mixed with polymers fluid high-speed be atomized comb component taper comb convex-concave surface agitate to be formed it is insoluble
Property sulphur mist sprayed in atomization comb component both sides through being atomized blocking and the guiding of comb component, direction and mist projection granulating tower body phase
It cuts.The recycling nitrogen to 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 ventilation hole on 3~4 Wind discharging hat of material blanking tube periphery unifies the navigation designing of direction trepanning, nitrogen meeting
Spiralling wind band is formed along mist projection granulating tower body inner wall, insoluble sulfur mist is carried and realizes cooling, granulation, separation, conveying
Technical process：Insoluble sulfur mist with nitrogen during the mist projection granulating tower body inner wall spiral, constantly grow up by formation
Particle and mutually collide, rubbing loses kinetic energy, and assembles to mist projection granulating tower body center, particle growth is straight to aerodynamics
After diameter 5-7mm, falls under gravity into material blanking tube and enter next procedure.
Step 5, the nitrogen after being detached with insoluble sulfur particle continue upwardly into material returning device, and the sulphur in nitrogen is thin
Cyclonic separation returns in mist projection granulating tower body particle again, tail gas（Nitrogen）It is recycled after exhaust tube is discharged, a part of nitrogen warp
Heat exchanger is cooled to after 20-22 DEG C of temperature and is transported to air compartment recycling through roots blower component.
Inventor has found that overheat sulphur steam, which can be used two sections of mode of heatings and directly heat mode, to be obtained, described direct
Mode of heating is that Cosan flashes more than boiling temperature, i.e., sulphur directly becomes 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 higher, and the former energy consumption is lower.
Inventor has found that two sections of mode of heatings that the present invention designs are divided into low-temperature zone and high temperature section, and the heating of low-temperature zone is situated between
It is 180-190 DEG C that matter, which selects saturated vapor, heating temperature, and high temperature section heat medium selects high-temperature flue gas, heating temperature 460-
480℃.Rising pipe and circulation pipe are devised using rising principle to 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 heating device with gas-liquid mixture flow morphology
Mode is convection current, conduction, and directly heats mode（Flash distillation）The heat exchange mode for producing overheat sulphur steam is only conduction pattern, i.e.,
Conduction heating of the heating device 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 is more energy saving, production efficiency higher.
Inventor has found that insoluble sulfur content is higher, preferably just insoluble sulfur processed produces high-temperature stability to obtain
Product, atomization are critical processes, by adjusting the gap that guide ring and taper are combed, make insoluble sulfur and nitrogen fluid-mixing high speed
Injection, consider overheat sulphur steam pans the condition of high temperature safety, atomization comb component to insoluble sulfur and nitrogen
The resistance of fluid-mixing, it is 0.4Mpa preferably to overheat sulphur steam output pressure, and insoluble sulfur is encountered with nitrogen fluid-mixing
The rough surface of taper comb, surge are separated into the drop being suspended in nitrogen, and rapid cooling effect is made to improve, and make just to make
Insoluble sulfur product yield improves.
Inventor has found, since insoluble sulfur and nitrogen fluid-mixing flow velocity are higher, to prevent fluid-mixing from directly falling
Enter material blanking tube and disturbance cloth wind is uniform, insoluble sulfur is with nitrogen fluid-mixing to spraying after the baffle ring blocking for being atomized comb component
Granulation tower body wall tangent line both sides are cast, and are mixed and along spraying with the recycling nitrogen that tower bottom air distribution plate purging comes up is granulated from atomization
Granulation tower body wall spiral.
Inventor has found that granulation is conducive to the conversion for preventing insoluble sulfur to common sulphur, improves its stability.Using
The recycling nitrogen of 20-22 DEG C of temperature is cooling as insoluble sulfur, protection, is granulated, detaches, the technological operation medium of conveying is excellent
The technical solution of choosing, being conducive to recycling nitrogen circulation utilization reduces cost.Therefore one is designed in mist projection granulating tower exhaust outlet
Exhaust tube, 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 channel is for recycling nitrogen, it is contemplated that has micro insoluble sulfur that may block fluid channel in recycling nitrogen, designs
Heat exchanger is vertical shell-and-tube heat exchanger, and recycling nitrogen walks tube side, and the higher flow velocity of heat exchanger tube pass, which washes away, makes insoluble sulfur
It is not easy to plug.
Inventor find, nitrogen from atomization be granulated tower bottom air distribution plate purging come up, around material blanking tube 3-4 Wind discharging hats to
The trepanning in the same direction is oriented to nitrogen spiral.From coming from air-flow cross section transverse, air-flow have periphery flow velocity it is fast,
Center flow velocity is slow, and the periphery feature big compared with center pressure can drive the insoluble sulfur particle constantly grown up to throw to tower wall and rub
Sidewipe collision lose kinetic energy whereabouts, and to center assemble, insoluble sulfur particle diameter grow up to certain diameter after gravity work
With lower and nitrogen separation, enter subsequent processing through material blanking tube.
Compared with the existing technology, the present invention at least contains and has the advantage that：First, prior art preparation sulphur glue（It is insoluble
Sulphur）Technological process is that atomization is that chilling polymerize drop again after 180~240 DEG C of heating temperature makes sulphur be in molten condition, 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, the present invention is prepared overheat sulphur steam and is first to heat to molten condition (liquid phase) and then again using two sections of mode of heatings
It is heated to be overheat sulphur steam（Gas phase）, the sulphur condensate that obtains after chilling（Insoluble sulfur）Yield higher, energy consumption are lower；The
Three, liquid nitrogen（Nitrogen）As a kind of technical process medium completion prepare rapid cooling needed for insoluble sulfur, protection, atomization,
It is granulated, the operational process of craft of conveying, separation, is optimal technical process medium；4th, nitrogen makes sulphur as protection gas
The possibility fired is extremely low, is conducive to safety in production；5th, by adjusting the gap that guide ring and taper are combed, make insoluble sulfur
It is sprayed with nitrogen fluid-mixing high speed, encounters the rough surface of taper comb, surge is separated into the drop being suspended in nitrogen,
So that rapid cooling effect is improved, and makes just insoluble sulfur product yield raising processed；6th, granulation is conducive to prevent insoluble sulfur
Conversion of the sulphur to common sulphur, improves its stability, cooling as insoluble sulfur using the recycling nitrogen of 20-22 DEG C of temperature,
Protection, be granulated, separation, conveying technological operation medium be preferred technical solution, be conducive to recycle nitrogen circulation using reduce
Cost, therefore design an exhaust tube, heat exchanger, roots blower component, air compartment, 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 channel is for recycling nitrogen, it is contemplated that in recycling nitrogen
There is micro insoluble sulfur that may block fluid channel, design heat exchanger is vertical shell-and-tube heat exchanger, and recycling nitrogen walks tube side,
The higher flow velocity of heat exchanger tube pass, which washes away, makes insoluble sulfur be not easy to plug；7th, batch industrialized manufacturing technique operating process
It is carried out in closed process units, the probability of pollution environment is made to become extremely low, be also conducive to prevent occupational disease in workplace
Factor endangers.
Description of the drawings
Fig. 1 is a kind of main structure diagram for the application method preparing insoluble sulfur process unit of the present invention.
Fig. 2 is a kind of overlooking structure diagram for the application method preparing insoluble sulfur process unit of the present invention.
Fig. 3 is a kind of A partial enlargement structural representations for the application method preparing insoluble sulfur process unit of the present invention.
Fig. 4 is a kind of B-B cross-sectional views for the application method preparing insoluble sulfur process unit of the present invention.
Fig. 5 is a kind of C-C cross-sectional views for the application method preparing insoluble sulfur process unit of the present invention.
Fig. 6 is a kind of D partial enlargement structural representations for the application method preparing insoluble sulfur process unit of the present invention.
Fig. 7 is a kind of E for the application method preparing insoluble sulfur process unit of the present invention to structural schematic diagram.
Fig. 8 is a kind of F full-page proof structural schematic diagrams for the application method preparing insoluble sulfur process unit of the present invention.
Fig. 9 is that a kind of G for the application method preparing insoluble sulfur process unit of the present invention rotates enlarged structure schematic diagram.
Figure 10 is a kind of H partial enlargement structural representations for the application method preparing insoluble sulfur process unit of the present invention
Figure.
1- recycles 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- exhaust tubes
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 autoclave body
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 furnace bodies 26- overheats sulphur steam pans.
Specific implementation mode
The present apparatus is described further with specific embodiment below in conjunction with the accompanying drawings.
The present invention as shown in attached drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, it is a kind of prepare it is insoluble
The application method of sulphur process unit, it is characterized in that：Step 1: use first inert nitrogen gas purging recycling nitrogen component 1,
Then mist projection granulating tower 2, Sulfur evaporator 3, time 5-8 minute 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 autoclave body 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 furnace body 25 makes its temperature reach 460-480 DEG C.
Step 2: requiring at the uniform velocity to inject Cosan into saturated vapor heating autoclave body 18, sulphur according to the production efficiency of design
Powder uniformly falls into 20 contact surface of saturated vapor heating coil 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 gasifies in 460-480 DEG C of high-temperature heating of 25 inner wall of Hot-blast Heating furnace body
Gas-liquid mixture is formed, gas-liquid mixture fluid declines along 25 spiral inner wall of Hot-blast Heating furnace body, and liquid phase part is in cyclonic separation
Under the action of be thrown toward 25 wall of Hot-blast Heating furnace body and continue to evaporate, gas phase portion does not steam to the 25 top enrichment of Hot-blast Heating furnace body
It sends out liquid phase part complete and is enriched in 25 bottom of Hot-blast Heating furnace body and return to saturated vapor through circulative convection pipe 21 and heat autoclave body 18,
Gas phase portion（Overheat sulphur steam）It is stored into overheat sulphur steam pans 26, setting overheat sulphur steam pans 26 store up
It is 0.4MPa to deposit pressure.
Step 3: the sulphur fluid for returning to saturated vapor heating autoclave body 18 through circulative convection pipe 21 is the gas of the liquid phase of enrichment
Liquid mixture, the Cosan for purging injection from bottom to top in saturated vapor heating autoclave body 18 form the fluid-mixing of convection current, with
20 heating surface of saturated vapor heating coil comes into full contact with, and sulphur fluid obtains sufficient mass-and heat-transfer, then through rising convection tube 19,
It is distributed device assembly 23 and enters 25 one closed fluid circulation loop of formation of Hot-blast Heating furnace body.
Step 4: the overheat sulphur steam of 26 storage of overheat sulphur steam pans is output in spray gun assembly 13, overheat
Sulphur steam forms nitrogen and sulphur mixed with polymers fluid with the liquid nitrogen mixing chilling that the conveying of liquid nitrogen storage tank 12 comes, through spray gun group
The outlet end of part 13 sprays, and nitrogen washes away 14 taper comb convex-concave surface of atomization comb component with sulphur mixed with polymers fluid high-speed and swashs
It swings to form insoluble sulfur mist, through being atomized blocking and the guiding of comb component 14, be sprayed in 14 both sides of atomization comb component, direction and spray
It is tangent that mist is granulated tower body 9.It is mixed that the recycling nitrogen to come up is purged with air compartment 8, air distribution plate 7, blast cap 15 in mist projection granulating tower body 9
It closes, adjusts blast cap 15 at a distance from air distribution plate 7, and the ventilation hole on 6 periphery of material blanking tube, 3~4 Wind discharging hat 15 is unified
The navigation designing of direction trepanning, nitrogen can form spiralling wind band along 9 inner wall of mist projection granulating tower body, carry insoluble sulfur
Mist realizes technical process that is cooling, being granulated, detach, convey：Insoluble sulfur mist is with nitrogen along 9 spiral inner wall of mist projection granulating tower body
During rising, formed the particle constantly grown up and mutually collide, rubbing loses kinetic energy, and to 9 center of mist projection granulating tower body
Assemble, after particle growth to aerodynamic diameter 5-7mm, falls under gravity into material blanking tube 6 and enter next procedure.
Step 5, the nitrogen after being detached with insoluble sulfur particle continue upwardly into material returning device 10, the sulphur in nitrogen
Cyclonic separation returns in mist projection granulating tower body 9 fine grained again, tail gas（Nitrogen）It is recycled after the discharge of exhaust tube 11, a part of nitrogen
Gas is transported to air compartment 8 through roots blower component 5 after heat exchanger 4 is cooled to 20-22 DEG C of temperature and recycles.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is changed.Therefore, the invention is not limited in specific implementation modes disclosed and described above, to the present invention's
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (5)
1. a kind of application method preparing insoluble sulfur process unit, it is characterized in that：Step 1: using inert gas nitrogen first
Recycling nitrogen component, mist projection granulating tower, Sulfur evaporator are swept in air-blowing, then time 5-8 minute injects sulphur to Cosan storage tank
Powder, while it being passed through saturated vapor toward saturated vapor heating coil, heating saturated vapor heating autoclave body makes its temperature remain 180-
190 DEG C, and it is passed through high-temperature flue gas to Hot-blast Heating chuck, heating Hot-blast Heating furnace body makes its temperature reach 460-480 DEG C；Step
Two, it requires at the uniform velocity to inject Cosan into saturated vapor heating autoclave body according to the production efficiency 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
It is distributed device assembly, rapidly gasification forms gas-liquid mixture, gas-liquid mixed in 460-480 DEG C of high-temperature heating of Hot-blast Heating inboard wall of furnace body
Logistics body declines along Hot-blast Heating inboard wall of furnace body spiral, and liquid phase part is thrown toward Hot-blast Heating furnace body under the action of cyclonic separation
Wall continues to evaporate, and gas phase portion does not evaporate complete liquid phase part and be enriched in Hot-blast Heating to enrichment at the top of Hot-blast Heating furnace body
Bottom of furnace body returns to saturated vapor through circulative convection pipe and heats autoclave body, and the overheat sulphur steam of gas phase portion enters overheat sulphur and steams
Vapour intermediate tank storage；Step 3: it is the liquid phase being enriched with to return to saturated vapor to heat the sulphur fluid of autoclave body through circulative convection pipe
Gas-liquid mixture, the Cosan for purging injection from bottom to top in saturated vapor heating kettle body form the fluid-mixing of convection current, with
Saturated vapor heating coil heating surface comes into full contact with, 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
Overheat sulphur steam be output in spray gun assembly, the liquid nitrogen mixing chilling of overheat sulphur steam and liquid nitrogen storage tank conveying is formed
Nitrogen and sulphur mixed with polymers fluid, the outlet end through spray gun assembly spray, 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 blocking and the guiding of comb component,
Comb component both sides are atomized to spray, direction and mist projection granulating tower body are tangent, in mist projection granulating tower body with air compartment, air distribution plate, blast cap
Purge the recycling nitrogen mixing to come up, insoluble sulfur mist with nitrogen during the mist projection granulating tower body inner wall spiral,
It forms the particle constantly 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, which is fallen into, under enters next procedure；Step 5, the nitrogen after being detached with insoluble sulfur particle, which continues upwardly into, to be returned
Glassware, cyclonic separation returns in mist projection granulating tower body the sulphur fine grained in nitrogen again, and the nitrogen of tail gas is discharged through exhaust tube
After recycle.
2. a kind of application method preparing insoluble sulfur process unit according to claim 1, it is characterized in that：It adjusts
Blast cap is at a distance from air distribution plate, and the ventilation hole on material blanking tube periphery 3~4 Wind discharging hat is unified the guiding of direction trepanning and set
Meter, nitrogen can form spiralling wind band along mist projection granulating tower body inner wall, carry insoluble sulfur mist realize it is cooling, be granulated,
The technical process of separation, conveying.
3. a kind of application method preparing insoluble sulfur process unit according to claim 1, it is characterized in that：Synthesis is examined
Consider overheat sulphur steam pans the condition of high temperature safety, atomization comb component to insoluble sulfur and nitrogen fluid-mixing resistance
Power, overheat sulphur steam output pressure are 0.4MPa, and overheat sulphur steam intermediate tank storage pressure is 0.4MPa, insoluble sulfur
The rough surface of taper comb is encountered with nitrogen fluid-mixing, surge is separated into the drop being suspended in nitrogen, makes rapidly cold
But effect improves, and makes just insoluble sulfur product yield raising processed.
4. a kind of application method preparing insoluble sulfur process unit according to claim 1, it is characterized in that：It is insoluble
Sulphur mist during the mist projection granulating tower body inner wall spiral, forms the particle constantly grown up, designs particle with nitrogen
Aerodynamic diameter is 5-7mm.
5. a kind of application method preparing insoluble sulfur process unit according to claim 1, it is characterized in that：A part
Nitrogen is transported to air compartment through roots blower component after heat exchanger is cooled to 20-22 DEG C of temperature and recycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128826.XA CN106744708B (en) | 2017-03-06 | 2017-03-06 | A kind of application method preparing insoluble sulfur process unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128826.XA CN106744708B (en) | 2017-03-06 | 2017-03-06 | A kind of application method preparing insoluble sulfur process unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106744708A CN106744708A (en) | 2017-05-31 |
| CN106744708B true CN106744708B (en) | 2018-10-12 |
Family
ID=58961399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710128826.XA Active CN106744708B (en) | 2017-03-06 | 2017-03-06 | A kind of application method preparing insoluble sulfur process unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106744708B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106744708A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106744707B (en) | It is a kind of to prepare insoluble sulfur process unit | |
| CN106744708B (en) | A kind of application method preparing insoluble sulfur process unit | |
| US20110257357A1 (en) | Apparatus for heat treatment of polyester particle and method of multistage solid-phase polycondensation of polyester particle | |
| CN105277004A (en) | Device and method for waste heat recovery of high-temperature molten slag by means of two-step method | |
| JP4707835B2 (en) | Bisphenol A prill production method and production apparatus, and bisphenol A prill produced in accordance therewith | |
| CN208465826U (en) | High-tower granulation equipment for chemical fertilizer production | |
| CN103539079B (en) | Method for one-step preparation of insoluble sulfur | |
| CN106698363B (en) | A kind of application method preparing insoluble sulfur evaporization process device | |
| CN106809806B (en) | A kind of application method preparing insoluble sulfur mist projection granulating tower | |
| CN103539078B (en) | Method for preparation of insoluble sulfur | |
| CN113120869B (en) | Insoluble sulfur production method and production system | |
| CN106892409B (en) | It is a kind of to prepare insoluble sulfur evaporization process device | |
| CN205138233U (en) | High temperature melting furnace sediment two -step method waste heat recovery device | |
| CN104609941A (en) | A continuous settlement type coating and drying device for preparing a coated fertilizer and a method | |
| CN104557280A (en) | Multi-layer sedimentation type coating and drying device and method for preparation of coated fertilizer | |
| US3272597A (en) | Apparatus for producing higher polyphosphoric acids | |
| CN106829877B (en) | It is a kind of to prepare insoluble sulfur mist projection granulating tower | |
| CN204356254U (en) | A kind of multilayer sedimentation type prepares the dressing drying unit of coated fertilizer | |
| CN204356253U (en) | The dressing drying unit of coated fertilizer prepared by a kind of continuous sedimentation type | |
| CN1060174C (en) | Rifinement of pyromellitic acid dianhydride by hot air carrying process | |
| CN106582499B (en) | A kind of application method preparing volatile organic compound from waste gas hypersober process unit | |
| CN106623956A (en) | Method for producing iron powder through semi-steel granulation method and efficiently utilizing steam | |
| CN208513596U (en) | A kind of Novel steam dewaxing kettle | |
| CN205953925U (en) | Multistage atomization feed nozzle | |
| CN105536394B (en) | Spray column, the brown coal drying smoke processing system equipped with the spray column and its method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 362000 the 2 floor of 32 new gate Street and 1916 Creative Industrial Park, Licheng District, Quanzhou, Fujian, China, 1916 Applicant after: Yang Song Address before: 362000 No. 135 Cui Hu Road, Hu tou Town, Anxi County, Fujian, Quanzhou, Fujian Applicant before: Yang Song |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170531 Assignee: Quanzhou green low carbon Research Institute Assignor: Yang Song Contract record no.: 2019350000001 Denomination of invention: Use method of process device for preparing insoluble sulfur Granted publication date: 20181012 License type: Exclusive License Record date: 20190116 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: QUANZHOU GREEN LOW CARBON Research Institute Assignor: Yang Song Contract record no.: 2019350000001 Date of cancellation: 20200413 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201123 Address after: 221300 industrial concentration zone 210, chefushan Town, Pizhou City, Xuzhou City, Jiangsu Province Patentee after: Pizhou Changshao Agricultural Development Co., Ltd Address before: 362000 Yuanyuan, 610 Xinmen Street, Licheng District, Quanzhou City, Fujian Province, and 32 buildings and 2 floors of 1916 Creative Industry Park Patentee before: Yang Song |