CN108295612A - A kind of cloth-bag type device for recovering powder - Google Patents
A kind of cloth-bag type device for recovering powder Download PDFInfo
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- CN108295612A CN108295612A CN201810353625.4A CN201810353625A CN108295612A CN 108295612 A CN108295612 A CN 108295612A CN 201810353625 A CN201810353625 A CN 201810353625A CN 108295612 A CN108295612 A CN 108295612A
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- Prior art keywords
- bag
- cloth
- agent
- babinet
- recycling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of cloth-bag type device for recovering powder, it is set on urea prilling tower, including recycling babinet, dust-removal cloth-bag device and collecting tank, the bottom of recycling babinet is connected with the dusty gas outlet of carbamide granulation top of tower, it recycles babinet top and at least four sets of bag-type dust collectors is set, nozzle pipeline is equipped in recycling bins body, several nozzles are distributed on nozzle pipeline, it recycles and is arranged with slanting baffle on the inner wall of babinet, slanting baffle is located at the lower end of nozzle pipeline, and the lower section for recycling babinet is equipped with collecting tank；Bag-type dust collector includes dust-removal cloth-bag, air-introduced machine and pipeline, and one end of dust-removal cloth-bag is stretched into recycling bins body, and the other end connects air-introduced machine by pipeline, and air-introduced machine is distributed in the both sides of recycling babinet；The device of the invention is simple and compact for structure, light-weight, easy for assemble or unload, complete recycling avoid down in advance liquid take out of outside tower and the discharge of dust aqueous vapor formed hangover the problem of.
Description
Technical field
The present invention relates to a kind of retracting devices, and in particular to a kind of cloth-bag type device for recovering powder.
Background technology
The organic compound that urea is made of carbon, nitrogen, oxygen and hydrogen is the product after animal protein metabolism, usually uses
To make the nitrogenous fertilizer of fabric, and substantially occurs in the form of granules on the market, carbamide granulation is mainly to use two methods, and one
It is tower granulation, second is that mechanical pelleting, tower granulation takes gravity-flow ventilation form under normal circumstances, and low energy consumption, and expense is low, still
A certain amount of carbamide dust and fine particle are inevitably taken away in discharge gas at the top of granulation tower, and dirt is caused to air
Dye and certain urea product lose, and therefore, the retracting device of urea prilling tower dust comes into being, and existing retracting device is still
There are some defects, such as：Retracting device load capacity is too big, have a small amount of liquid be carried over that tower is outer and dust aqueous vapor be emitted on it is big
Gas China forms the defects of hangover, and a kind of device that can overcome the recycling urea prilling tower dust of drawbacks described above of research and development becomes this
Field technology personnel technical problem urgently to be resolved hurrily.
Invention content
The technical problem to be solved by the present invention is to the shortcomings that overcoming the prior art, provides a kind of cloth-bag type dust recycling
Device, the apparatus structure simple and compact is light-weight, easy for assemble or unload, completes avoiding liquid down in advance and taking out of for recycling
Outside tower and the problem of the discharge of dust aqueous vapor forms hangover.
In order to solve the above technical problems, the present invention provides a kind of cloth-bag type device for recovering powder, it is set to carbamide granulation
On tower, including recycling babinet, dust-removal cloth-bag device and collecting tank, recycle the ash-laden gas of the bottom and carbamide granulation top of tower of babinet
Body outlet is connected, and at least four sets of bag-type dust collectors are arranged in recycling babinet top, wherein：
It is equipped with nozzle pipeline in recycling bins body, is distributed several nozzles on nozzle pipeline, recycles and is arranged on the inner wall of babinet tiltedly
Baffle, slanting baffle are located at the lower end of nozzle pipeline, and the lower section for recycling babinet is equipped with collecting tank；
Bag-type dust collector includes dust-removal cloth-bag, air-introduced machine and pipeline, and one end of dust-removal cloth-bag is stretched into recycling bins body, the other end
Air-introduced machine is connected by pipeline, air-introduced machine is distributed in the both sides of recycling babinet.
The technical solution that the present invention further limits is：
Further, in aforementioned cloth-bag type device for recovering powder, the one end of slanting baffle far from recycling cabinet wall is set to urea
On granulation tower so that the angle that recycling cabinet wall is formed counterclockwise with slanting baffle is acute angle.
Technique effect, it is acute angle to be provided with slanting baffle and keep the angle of slanting baffle and recycling cabinet wall, can make spray
The dust that filtered dust solution and bag-type dust wash down falls into collecting tank, is then back to urine slot again and is granulated again.
Further, in aforementioned cloth-bag type device for recovering powder, four bag-type dusts of top of babinet etc. point arrangement are recycled
Device.
Technique effect recycles four bag-type dust collectors of top of babinet etc. point arrangement, it is ensured that uniform pickup, and carry
The speed of high-selenium corn accelerates working efficiency.
Further, in aforementioned cloth-bag type device for recovering powder, nozzle injection direction is upward.
The injection direction of technique effect, nozzle is upward, rather than downwards so upwards injection formed a part absorb, water by
A part is absorbed again to falling in gravity, absorbs the efficiency for increasing absorption twice.
Further, it in aforementioned cloth-bag type device for recovering powder, recycles and is additionally provided with reinforcement between babinet and urea prilling tower
Muscle.
Technique effect can further reinforce the stability between recycling babinet and granulation tower by the reinforcing rib added,
Ensure the normal operation of work, improves working efficiency.
In aforementioned cloth-bag type device for recovering powder, protective layer is respectively set in nozzle pipeline and slanting baffle surface, and protective layer is pressed
Mass percent meter includes following components：
Filler：5-10%, auxiliary agent：7-9%, remaining is film-forming resin, and the sum of the above components are 100%, wherein auxiliary agent presses quality
Number meter includes following components：
Coalescents：15-20 parts, dispersant：2-3 parts, antifoaming agent：0.6-0.7 parts, thixotropic agent：0.5-0.8, levelling agent：0.4-
0.6, wetting agent：0.2-0.4, diluent：2-3 parts, plasticizer：4-7 parts, curing agent：2-4 parts, coupling agent：0.3-0.5 parts, resistance
Fire agent：1-3 parts, auxiliary material：0.1-0.3 parts；
In aforementioned cloth-bag type device for recovering powder, coalescents are in ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol or propylene glycol
One kind；Dispersant is one kind in sodium tripolyphosphate, sodium tetrapolyphosphate or calgon；Antifoaming agent is tributyl phosphate；
Thixotropic agent is polyvinyl alcohol；Levelling agent is isophorone or diacetone alcohol；Wetting agent is in ethyl alcohol, propylene glycol or dimethyl sulfoxide (DMSO)
One or more of mixtures；Diluent is propylene glycol or glycol ether；Plasticizer is dioctyl phthalate；Curing agent is
One kind in diethylenetriamine, m-phenylene diamine (MPD), phenol aldehyde modified amine, diamino-diphenyl methyl sulfone DDS；Coupling agent is silane coupled
Agent；Fire retardant is to select phosphotriester；Auxiliary material is compound rare-earth, and compound rare-earth includes following component by weight percentage： Y：3-
5%, Sc：6-8%, Gd：9-11%, Sm：8-10%, Pr：9-11%, surplus La, the sum of the above components are 100%.
In aforementioned cloth-bag type device for recovering powder, filler glass flake, talcum powder and calcium carbonate superfine powder mixture, wherein
Glass flake is counted in mass ratio：Talcum powder：Calcium carbonate superfine powder=3:1-4:2, glass flake uses 80 mesh and 40 of equal proportion mixing
Purpose glass flake.
Technique effect, using glass flake antirust filler, by the glass flake pigment of multilayer and the arrangement of base material less parallel
The seepage distance of corrosive medium can be extended several times or even dozens of times by the fish scale effect of composition.General glass flake piece diameter is in length and breadth
Bigger, the anti-permeability performance of coating is stronger, but the apparent relative mistake of coating is a little, and the piece diameter of 80 mesh and 40 mesh is used in the present invention
Glass flake not of uniform size is used in mixed way, and is in arranged in parallel, smaller pieces diameter to obtain larger piece diameter glass flake and ground
Glass flake the effect in gap is interspersed in different angle；It can also so that coating surface is more smooth, is added simultaneously simultaneously
Talcum powder and calcium carbonate superfine powder, maximize favourable factors and minimize unfavourable ones, and three is combined with each other, and reduces respective disadvantage, its advantage is expanded, with hair
Wave its maximum effect.
In aforementioned cloth-bag type device for recovering powder, film-forming resin be zinc borate phenol-formaldehyde resin modified, polyphenylene oxide resin powder and
The mixture of modifying epoxy resin by organosilicon counts zinc borate phenol-formaldehyde resin modified in mass ratio：Polyphenylene oxide resin powder：Organosilicon changes
Property epoxy resin=3:2:5-7.
In aforementioned cloth-bag type device for recovering powder, the preparation process of protective layer is specific as follows：
Filler：5-10%, auxiliary agent：7-9%, remaining is film-forming resin,
（1）Homogenizer high speed is added in prepared film-forming resin and disperses 15-30min, mixing speed 500-600r/
min；
（2）Mixing speed is reduced, filler is added at 400-500r/min, rotating speed is improved to 800-1000r/min, makes its high speed
Disperse 30min；
(3) after disperseing, auxiliary agent is added under 200-300r/min low speed, stirring at low speed uniformly may filter that, both be prevented
Protection coating is coated in solidification drying on nozzle pipeline and skewback and can be obtained protective layer by sheath coating.
The beneficial effects of the invention are as follows：
Two layers of filler is removed inside integral device of the present invention, is arranged without filler, traditional three layers of nozzle pipeline are changed to one layer,
Integral device decreased significantly the load capacity of granulation tower；
When the present invention original water leaching system operation, have that a small amount of liquid is carried over that tower is outer and dust aqueous vapor is emitted on air
Middle formation hangover is obstructed by cloth bag and is filtered after using the recycling of cloth-bag type dust instead, and band liquid and hangover is made to be improved completely.
Protective layer is respectively set in nozzle pipeline of the present invention and slanting baffle surface, increases antiseptic property, extends its service life,
Reduce cost.
Dispersant is added in instant component, dispersant can increase the compatibility between base-material, particle wadding can be prevented poly-, drop
Prepared paint viscosity, is firmly adsorbed on the surface of dispersed particle, and provides good space repulsion, makes particle in high-speed stirred
Under it is fully dispersed after, will not reunite because of Van der Waals force and again, adsorption layer will not be when by outer force effect from particle table
Face removes and leads to the unstable of system, to optimize the physical and chemical properties of coating.
Coalescents are added in instant component, coalescents are ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol or third
One kind in glycol being added coalescents and coating can also normally be formed a film at 5 °C or less, improves protective layer in the present invention
Weatherability.
The auxiliary material of the present invention is compound rare-earth, due to the metallic atomic radius of the above rare earth element is big and rare earth have compared with
High activity, it is easy to the gap of storeroom is filled up, meanwhile, rare earth element is easily and the element compounds generation fusing point such as oxygen, sulphur is high
Compound, the addition of compound rare-earth improve the dispersibility and compatibility that prepare coating, keep product mix equal to a certain extent
The even anti-flammability for also improving protective layer.
Epoxy resin has excellent adhesive force and low-shrinkage；There is preferable corrosion resistant to water, intermediate acid, alkali, salt and solvent
Corrosion and permeability resistance；It all has good filming performance under various execution conditions；It can be with various resins, filler and auxiliary agent
It is good miscible to be configured to a series of common anticorrosive paints；It is easy to be configured to Water-borne modification and thick-film (high solid and without molten
Dosage form) etc. nuisanceless anticorrosive paint.Certainly it also has a disadvantage, for example weatherability is poor, easy dusting, high temperature bear stronger acid, alkali,
Salt and solvent corrosion media capabilities are poor.Such as epoxy resin is modified, these defects can significantly improve, and be used in the present invention
It is modifying epoxy resin by organosilicon, modifying epoxy resin by organosilicon has many advantages, such as that cohesive force is strong, chemical reagent-resistant performance is good, and
Modified epoxy can enhance the ability that coating resists water, ion penetrates into, and improve the binding force between coating and metallic matrix, to
The protective capacities for improving coating, moreover it is possible to increase the intensity of coating, improve adhesive force, improve rheological property, reduce cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
In figure：1- recycles babinet, 2- urea prilling towers, 3- nozzle pipelines, 4- nozzles, 5- slanting baffles, 6- dust-removal cloth-bags, 7- air inducing
Machine, 8- pipelines, 9- reinforcing ribs.
Specific implementation mode
Embodiment 1
A kind of cloth-bag type device for recovering powder provided in this embodiment, structure is as shown in Figure 1, be set on urea prilling tower 2, packet
Recycling babinet 1, dust-removal cloth-bag device and collecting tank 10 are included, the dusty gas of the bottom and 2 top of urea prilling tower of babinet 1 is recycled
Outlet is connected, and at least four sets of bag-type dust collectors are arranged in 1 top of recycling babinet, wherein：
It recycles and is equipped with nozzle pipeline 3 in babinet 1, be distributed several nozzles 4 on nozzle pipeline 3, the injection direction of nozzle 4 is upward, returns
It receives and is arranged with slanting baffle 5 on the inner wall of babinet 1, slanting baffle is located at the lower end of nozzle pipeline 3, and slanting baffle 5 is far from recycling babinet 1
One end of inner wall is set on urea prilling tower 2 so that the angle that recycling 1 inner wall of babinet is formed counterclockwise with slanting baffle 5 is sharp
The lower section at angle, recycling babinet 1 is equipped with collecting tank, recycles and is additionally provided with reinforcing rib 9 between babinet 1 and urea prilling tower 2；
Bag-type dust collector includes dust-removal cloth-bag 6, air-introduced machine 7 and pipeline 8, and one end of dust-removal cloth-bag 6 is stretched into recycling babinet 1,
The other end connects air-introduced machine 7 by pipeline 8, and air-introduced machine 7 is distributed in the both sides of recycling babinet 1.
In the present embodiment, four bag-type dust collectors of top of recycling babinet 1 etc. point arrangement, bag-type dust collector are set
Quantity is set according to tower size to adjust.
When it is implemented, the top of recycling babinet 1 is equipped with 4 sets of bag-type dust collectors of at least decile arrangement, gas by
It is lower and it is upper by air-introduced machine 7 draw and on by nozzle 4 first time washing, it is small using 6 double absorption dust of dust-removal cloth-bag
Particle and dust solution particles with liquid, the gas finally filtered are immediately discharged in air by air-introduced machine 7, are filtered by nozzle 4
The dust that dust solution and dust-removal cloth-bag 6 afterwards washes down falls into collecting tank, then is back to urine slot and is granulated again.
Embodiment 2
The present embodiment provides in cloth-bag type device for recovering powder in embodiment 1, nozzle pipeline and slanting baffle surface are respectively set anti-
Sheath, protective layer include following components by mass percentage：
Filler：5%, auxiliary agent：7%, remaining is film-forming resin, and the sum of the above components are 100%, wherein auxiliary agent is according to the mass fraction
Including following components：
Coalescents：15 parts, dispersant：2 parts, antifoaming agent：0.6 part, thixotropic agent：0.5 part, levelling agent：0.4 part, wetting agent：
0.2 part, diluent：2 parts, plasticizer：4 parts, curing agent：2 parts, coupling agent：0.3 part, fire retardant：1 part, auxiliary material：0.1 part；
In the present embodiment, coalescents are ethylene glycol ethyl ether；Dispersant is sodium tripolyphosphate；Antifoaming agent is tributyl phosphate；
Thixotropic agent is polyvinyl alcohol；Levelling agent is isophorone；Wetting agent is ethyl alcohol；Diluent is propylene glycol；Plasticizer is adjacent benzene two
Formic acid dioctyl ester；Curing agent is diethylenetriamine；Coupling agent is silane coupling agent；Fire retardant is to select phosphotriester；Auxiliary material is
Compound rare-earth, compound rare-earth include following component by weight percentage： Y：3%, Sc：6%, Gd：9%, Sm：8%, Pr：9%, surplus
For La, the sum of the above components are 100%；
The mixture of filler glass flake, talcum powder and calcium carbonate superfine powder, wherein counting glass flake in mass ratio：Talcum powder：It is super
Thin calcium carbonate=3:1：2, the glass flake for 80 mesh and 40 mesh that glass flake is mixed using equal proportion；Film-forming resin is zinc borate
The mixture of phenol-formaldehyde resin modified, polyphenylene oxide resin powder and modifying epoxy resin by organosilicon counts boric acid zinc modification phenol in mass ratio
Urea formaldehyde：Polyphenylene oxide resin powder：Modifying epoxy resin by organosilicon=3:2:5.
The preparation process of above-mentioned protective layer is specific as follows：
（1）Homogenizer high speed is added in prepared film-forming resin and disperses 15min, mixing speed 500r/min；
（2）Mixing speed is reduced, filler is added at 400r/min, rotating speed is improved to 800r/min, makes its high speed dispersion
30min；
(3) after disperseing, auxiliary agent is added under 200r/min low speed, stirring at low speed uniformly may filter that, both obtain protective layer
Protection coating is coated in solidification drying on nozzle pipeline and skewback and can be obtained protective layer by coating.
Embodiment 3
The present embodiment provides in cloth-bag type device for recovering powder in embodiment 1, nozzle pipeline and slanting baffle surface are respectively set anti-
Sheath, protective layer include following components by mass percentage：
Filler：10%, auxiliary agent：9%, remaining is film-forming resin, and the sum of the above components are 100%, wherein auxiliary agent presses mass fraction
Meter includes following components：
Coalescents：20 parts, dispersant：3 parts, antifoaming agent：0.7 part, thixotropic agent：0.8, levelling agent：0.6, wetting agent：0.4 part,
Diluent：3 parts, plasticizer：7 parts, curing agent：4 parts, coupling agent：0.5 part, fire retardant：3 parts, auxiliary material：0.3 part；
In the present embodiment, coalescents are butyl glycol ether；Dispersant is sodium tetrapolyphosphate；Antifoaming agent is tributyl phosphate；
Thixotropic agent is polyvinyl alcohol；Levelling agent is diacetone alcohol；Wetting agent is propylene glycol；Diluent is glycol ether；Plasticizer is neighbour
Dioctyl phthalate；Curing agent is m-phenylene diamine (MPD)；Coupling agent is silane coupling agent；Fire retardant is to select phosphotriester；Auxiliary material
For compound rare-earth, compound rare-earth includes following component by weight percentage： Y：5%, Sc：8%, Gd：11%, Sm：10%, Pr：11%,
Surplus is La, and the sum of the above components are 100%；
The mixture of filler glass flake, talcum powder and calcium carbonate superfine powder, wherein counting glass flake in mass ratio：Talcum powder：It is super
Thin calcium carbonate=3:4:2, the glass flake for 80 mesh and 40 mesh that glass flake is mixed using equal proportion；Film-forming resin is zinc borate
The mixture of phenol-formaldehyde resin modified, polyphenylene oxide resin powder and modifying epoxy resin by organosilicon counts boric acid zinc modification phenol in mass ratio
Urea formaldehyde：Polyphenylene oxide resin powder：Modifying epoxy resin by organosilicon=3:2:7.
The preparation process of above-mentioned protective layer is specific as follows：
（1）Homogenizer high speed is added in prepared film-forming resin and disperses 30min, mixing speed 600r/min；
（2）Mixing speed is reduced, filler is added at 500r/min, rotating speed is improved to 1000r/min, makes its high speed dispersion
30min；
(3) after disperseing, auxiliary agent is added under 300r/min low speed, stirring at low speed uniformly may filter that, both obtain protective layer
Protection coating is coated in solidification drying on nozzle pipeline and skewback and can be obtained protective layer by coating.
Embodiment 4
The present embodiment provides in cloth-bag type device for recovering powder in embodiment 1, nozzle pipeline and slanting baffle surface are respectively set anti-
Sheath, protective layer include following components by mass percentage：
Filler：8%, auxiliary agent：8%, remaining is film-forming resin, and the sum of the above components are 100%, wherein auxiliary agent is according to the mass fraction
Including following components：
Coalescents：18 parts, dispersant：2 parts, antifoaming agent：0.7 part, thixotropic agent：0.7 part, levelling agent：0.5 part, wetting agent：
0.2 part, diluent：2 parts, plasticizer：6 parts, curing agent：3 parts, coupling agent：0.4 part, fire retardant：2 parts, auxiliary material：0.23 part；
In the present embodiment, coalescents are propylene glycol；Dispersant is calgon；Antifoaming agent is tributyl phosphate；Thixotroping
Agent is polyvinyl alcohol；Levelling agent is diacetone alcohol；Wetting agent is dimethyl sulfoxide (DMSO)；Diluent is glycol ether；Plasticizer is neighbour
Dioctyl phthalate；Curing agent is diamino-diphenyl methyl sulfone DDS；Coupling agent is silane coupling agent；Fire retardant is to select phosphorus
Sour three esters；Auxiliary material is compound rare-earth, and compound rare-earth includes following component by weight percentage： Y：4%, Sc：7%, Gd：10%, Sm：
9%, Pr：10%, surplus La, the sum of the above components are 100%；
The mixture of filler glass flake, talcum powder and calcium carbonate superfine powder, wherein counting glass flake in mass ratio：Talcum powder：It is super
Thin calcium carbonate=3:2:2, the glass flake for 80 mesh and 40 mesh that glass flake is mixed using equal proportion；Film-forming resin is zinc borate
The mixture of phenol-formaldehyde resin modified, polyphenylene oxide resin powder and modifying epoxy resin by organosilicon counts boric acid zinc modification phenol in mass ratio
Urea formaldehyde：Polyphenylene oxide resin powder：Modifying epoxy resin by organosilicon=3:2:6.
The preparation process of above-mentioned protective layer is specific as follows：
（1）Homogenizer high speed is added in prepared film-forming resin and disperses 21min, mixing speed 550r/min；
（2）Mixing speed is reduced, filler is added at 450r/min, rotating speed is improved to 900r/min, makes its high speed dispersion
30min；
(3) after disperseing, auxiliary agent is added under 250r/min low speed, stirring at low speed uniformly may filter that, both obtain protective layer
Protection coating is coated in solidification drying on nozzle pipeline and skewback and can be obtained protective layer by coating.
In the present embodiment 2-4, the preparation process that polyaniline connects bonded oxygen resin grafted acrylate latex is specific as follows：
A, the preparation of pre-emulsion：One third amount is added in the three-necked flask equipped with electric mixer, constant pressure funnel
Emulsifier SDS, pH adjusting agent, initiator B PO, the mix monomer dissolved with epoxy resin, function monomer phosphoric acid vinegar PAM-200 and
Deionized water, high-speed stirred pre-emulsification 30-40min, is made phosphoric acid vinegar and is modified EPA pre-emulsions at room temperature；
B, prepared by phosphoric acid vinegar Graft Epoxy Resin latex：In four equipped with electric mixer, reflux condensing tube, constant pressure funnel
The pre-emulsion that 1/7 is taken out from a in mouthful flask, whisks and is warming up to 70-80 DEG C, be added remaining emulsifier SDS, initiator B PO,
Function monomer phosphate PAM-200 and pH adjusting agent are searched and are mixed to the apparent blue light of system appearance, are warming up to 85-88 DEG C of Jian and are begun to drip
Add remaining pre-emulsion, dropped evenly in 2-3h, isothermal reaction 1-1.5h is warming up to 92 DEG C, keeps the temperature 0.5-1h, then cools down
Extremely, it 40-50 DEG C or so, discharges, the cruel modified epoxy latex of phosphoric acid is made in filtering；
C, polyaniline connects the preparation of bonded oxygen resin grafted acrylate latex：Equipped with electric mixer, reflux condensing tube, constant pressure
The latex of design flow is taken out in the four-hole boiling flask of dropping funel from b, stirring is cooled to 0 °C, aniline is then added, hits and mixes 30-
35min or so, then the initiator with aniline same molar is added dropwise, it has been dropped evenly in 2h, isothermal reaction 5-6h is warming up to room
Temperature keeps the temperature about 10-15h, discharges, and filtering, obtained polyaniline connects bonded oxygen resin grafted acrylate latex.
It is simple and compact for structure using the retracting device of the present invention, it is light-weight, it is easy for assemble or unload, complete carrying for recycling
The front lower liquid that avoids takes the problem of tower is outer and the discharge of dust aqueous vapor forms hangover out of.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (10)
1. a kind of cloth-bag type device for recovering powder, is set to urea prilling tower（2）On, it is characterised in that：Including recycling babinet
（1）, dust-removal cloth-bag device and collecting tank（10）, the recycling babinet（1）Bottom and urea prilling tower（2）The ash-laden gas at top
Body outlet is connected, the recycling babinet（1）At least four sets of bag-type dust collectors are arranged in top, wherein：
The recycling babinet（1）It is interior to be equipped with nozzle pipeline（3）, the nozzle pipeline（3）The upper several nozzles of distribution（4）, described time
Receive babinet（1）Inner wall on be arranged with slanting baffle（5）, the slanting baffle is located at the nozzle pipeline（3）Lower end, described time
Receive babinet（1）Lower section be equipped with the collecting tank；
The bag-type dust collector includes dust-removal cloth-bag（6）, air-introduced machine（7）And pipeline（8）, the dust-removal cloth-bag（6）One end
Stretch into the recycling babinet（1）Interior, the other end passes through the pipeline（8）Connect the air-introduced machine（7）, the air-introduced machine（7）Point
It is distributed in the recycling babinet（1）Both sides.
2. cloth-bag type device for recovering powder according to claim 1, it is characterised in that：The slanting baffle（5）Far from recycling
Babinet（1）One end of inner wall is set to the urea prilling tower（2）On so that recycling babinet（1）Inner wall and slanting baffle（5）Inverse time
The angle that needle is formed is acute angle.
3. cloth-bag type device for recovering powder according to claim 1, it is characterised in that：The recycling babinet（1）Top
Decile four bag-type dust collectors of arrangement.
4. cloth-bag type device for recovering powder according to claim 1, it is characterised in that：The nozzle（4）Injection direction
Upwards.
5. cloth-bag type device for recovering powder according to claim 1, it is characterised in that：The recycling babinet（1）With it is described
Urea prilling tower（2）Between be additionally provided with reinforcing rib（9）.
6. cloth-bag type device for recovering powder according to claim 1, it is characterised in that：The nozzle pipeline and slanting baffle
Protective layer is respectively set in surface, and the protective layer includes following components by mass percentage：
Filler：5-10%, auxiliary agent：7-9%, remaining is film-forming resin, and the sum of the above components are 100%, wherein the auxiliary agent is pressed
Mass fraction meter includes following components：
Coalescents：15-20 parts, dispersant：2-3 parts, antifoaming agent：0.6-0.7 parts, thixotropic agent：0.5-0.8 parts, levelling agent：
0.4-0.6 parts, wetting agent：0.2-0.4 parts, diluent：2-3 parts, plasticizer：4-7 parts, curing agent：2-4 parts, coupling agent：0.3-
0.5 part, fire retardant：1-3 parts, auxiliary material：0.1-0.3 parts.
7. cloth-bag type device for recovering powder according to claim 6, it is characterised in that：The coalescents are ethylene glycol ethyl ethers
One kind in ether, butyl glycol ether, ethylene glycol or propylene glycol；The dispersant is sodium tripolyphosphate, sodium tetrapolyphosphate or six
One kind in sodium metaphosphate；The antifoaming agent is tributyl phosphate；The thixotropic agent is polyvinyl alcohol；The levelling agent is different Buddhist
That ketone or diacetone alcohol；The wetting agent is one or more of ethyl alcohol, propylene glycol or dimethyl sulfoxide (DMSO) mixture；It is described dilute
It is propylene glycol or glycol ether to release agent；The plasticizer is dioctyl phthalate；The curing agent be diethylenetriamine,
One kind in phenylenediamine, phenol aldehyde modified amine, diamino-diphenyl methyl sulfone DDS；The coupling agent is silane coupling agent；It is described fire-retardant
Agent is to select phosphotriester；The auxiliary material is compound rare-earth, and the compound rare-earth includes following component by weight percentage：
Y：3-5%, Sc：6-8%, Gd：9-11%, Sm：8-10%, Pr：9-11%, surplus La, the sum of the above components are 100%.
8. cloth-bag type device for recovering powder according to claim 7, it is characterised in that：The filler glass flake, cunning
The mixture of mountain flour and calcium carbonate superfine powder, wherein counting glass flake in mass ratio：Talcum powder：Calcium carbonate superfine powder=3:1-4:2, institute
The glass flake for 80 mesh and 40 mesh that the glass flake stated is mixed using equal proportion.
9. cloth-bag type device for recovering powder according to claim 8, it is characterised in that：The film-forming resin is zinc borate
The mixture of phenol-formaldehyde resin modified, polyphenylene oxide resin powder and modifying epoxy resin by organosilicon counts boric acid zinc modification phenol in mass ratio
Urea formaldehyde：Polyphenylene oxide resin powder：Modifying epoxy resin by organosilicon=3:2:5-7.
10. cloth-bag type device for recovering powder according to claim 9, it is characterised in that：The preparation process of the protective layer
It is specific as follows：
Filler：5-10%, auxiliary agent：7-9%, remaining is film-forming resin,
（1）Homogenizer high speed is added in prepared film-forming resin and disperses 15-30min, mixing speed 500-600r/
min；
（2）Mixing speed is reduced, filler is added at 400-500r/min, rotating speed is improved to 800-1000r/min, makes its high speed
Disperse 30min；
(3) after disperseing, auxiliary agent is added under 200-300r/min low speed, stirring at low speed uniformly may filter that, both be prevented
Protection coating is coated in solidification drying on nozzle pipeline and skewback and can be obtained protective layer by sheath coating.
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| CN201810353625.4A CN108295612A (en) | 2018-04-19 | 2018-04-19 | A kind of cloth-bag type device for recovering powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810353625.4A CN108295612A (en) | 2018-04-19 | 2018-04-19 | A kind of cloth-bag type device for recovering powder |
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| CN108295612A true CN108295612A (en) | 2018-07-20 |
Family
ID=62847463
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Cited By (1)
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| CN109439147A (en) * | 2018-12-29 | 2019-03-08 | 苏州宝洪泰电子有限公司 | A kind of installation cover board for new-energy automobile charging electrical-mechanical assembly |
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