CN207046280U - A kind of pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler - Google Patents
A kind of pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler Download PDFInfo
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- CN207046280U CN207046280U CN201720500359.4U CN201720500359U CN207046280U CN 207046280 U CN207046280 U CN 207046280U CN 201720500359 U CN201720500359 U CN 201720500359U CN 207046280 U CN207046280 U CN 207046280U
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- sulfate fertilizer
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Abstract
The utility model discloses a kind of mannheim furnace production potassium sulfate fertilizer pusher of discharging cooler, belong to potassium sulfate fertilizer production technical field.The pusher is structure as a whole, including outside corrosion resistant alloy material and the silicon carbide ceramics block within corrosion resistant alloy material；The pusher has pusher end and welding ends, and the pusher end is used to release the potassium sulfate fertilizer entered in discharging cooler, and the welding ends is welded on the main shaft in discharging cooler.The utility model pusher is used in potassium sulfate fertilizer production process, can resist electrochemical corrosion and the destruction of physical abrasion, service life can meet the production run cycle completely.Production efficiency is substantially increased, has saved the energy again, reduces production cost, is a kind of preferably potassium sulfate fertilizer production equipment critical piece.
Description
Technical field
It the utility model is related to potassium sulfate fertilizer production technical field, and in particular to a kind of mannheim furnace produces potassium sulfate
The pusher of fertilizer discharging cooler.
Background technology
At present, in vast rural area, soil compaction phenomenon is more universal, and its reason is how relevant with largely applying chemical fertilizer, at present
In the composite fertilizer applied, potash fertilizer uses potassium chloride more, and this chemical fertilizer chronic administration not only can be unfavorable to some crops, can also
Soil is set to produce hardened phenomenon.
Potassium sulfate fertilizer is a kind of high-quality chlorideless potassic fertilizer, the potash fertilizer of chloride can be avoided as tobacco, beet, fruit etc., together
When give crop to provide two kinds of nutrients of potassium and sulphur, the use of potassium sulfate can substantially improve the quality for avoiding chloride, improve agricultural economy
Benefit.Meanwhile potassium sulfate is mixed according to different ratios and nitrogenous fertilizer, phosphate fertilizer etc., a variety of composite fertilizers can be produced, are applied
It after this composite fertilizer, can not only meet the production needs of crop, can also greatly alleviate hardenedization of soil.Therefore, it is domestic
Outer to have built large quantities of potassium sulfate fertilizer production bases, the country just has various schools of thinkers potassium sulfate fertilizer to produce company at present.
The method for producing potassium sulfate in the world mainly has three major types：The first kind is to extract potassium sulfate using salt lake bittern, should
The potassium sulfate amount that production method provides accounts for 10-15%；Second class is to utilize soluble sulphate ore deposit processing potassium sulfate；The
Three classes are produced using Mannheim proeess, and Mannheim proeess is exactly to decompose KCl production potassium sulfate using the concentrated sulfuric acid.World's sulfuric acid
Potassium yield more than 50% is produced by Mannheim proeess, and China is then more than 70%.
Mannheim furnace is the nucleus equipment of Mannheim proeess production potassium sulfate.Potassium chloride is put into stove, and sulfuric acid is uniform
Cloth be sprinkled upon in potassium chloride, fully reacted in 520 ° of conditions of high temperature, potassium sulfate fertilizer can be produced.Potassium sulfate passes through
After discharging opening, after being cooled down into discharging cooler, then crushing system delivered to by conveyer belt, the potassium sulfate after crushing is through meter
Turn into potassium sulfate finished product after amount packaging.
In the structure of existing discharging cooler, including the main shaft that can be rotated, the block of welding metal material on main shaft,
With the rotation of main shaft, the block on main shaft promotes potassium sulfate fertilizer from one end of discharging cooler to the other end, Jin Ercong
The cooler that discharges is interior to discharge.
In potassium sulfate fertilizer production process is carried out using Mannheim sea, because the specific technological process of production, discharging are cold
But capital equipment of the device as production line, particularly discharge the interior pusher part for being used to promote potassium sulfate fertilizer to discharge of cooler, long
Phase is in harsh corrosive environment, not only to be destroyed by electrochemical corrosion, also to be resisted the higher high-temperature sulfuric acid potassium of hardness
The abrasion of chemical fertilizer granule, therefore, just loss is serious in a short time.The pusher of traditional common at present, due to being given birth to potassium sulfate fertilizer
Produce work condition environment and technological process understanding deficiency, it is unclear that its corrosion mechanism, so the anti-corrosion conjunction that pursuit cost simply is higher
Gold, the actually alloy material selected by it, it is difficult to resist its electrochemical corrosion and physical abrasion, geomery designs not in addition
When causing pusher seriously corroded, very short using run time, production efficiency is low.The pusher device filled at the beginning of one, general shape
Row access cycle is only 3-6 individual month (such as Fig. 1) under state, and under special state, the life-span only one phenomenon of more months is used continuously
It occur frequently that, it is therefore necessary to stopping production is changed, and be directly affects potassium sulfate fertilizer production efficiency and yield, is substantially increased life
Cost is produced, and replacing environment is extremely severe, labor intensity is very big.
Therefore, the pusher in a kind of discharging cooler that can be used for a long time in potassium sulfate fertilizer production line is researched and developed,
Meet the operation service life of relative ideal, improve the production efficiency of potassium sulfate fertilizer enterprise, reduce cost, turn at present urgently
The technical problem of solution.
Utility model content
For weak point present in present technology, the purpose of this utility model is to provide a kind of mannheim furnace production
The pusher of potassium sulfate fertilizer discharging cooler, by the ingehious design to its structure and the improvement to material etc., greatly
The electrochemical corrosion resistant of pusher and resistance physical abrasion performance in the discharging cooler are improved, so as to improve potassium sulfate
Fertile production efficiency.
To achieve the above object, technical scheme is as follows used by the utility model：
A kind of pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler, the pusher are structure as a whole, wrapped
Include the corrosion resistant alloy material of outside and the silicon carbide ceramics block within corrosion resistant alloy material；The pusher has pusher
End and welding ends, the pusher end are used to release the potassium sulfate fertilizer entered in discharging cooler, and the welding ends is welded in
On the main shaft to discharge in cooler.
The corrosion resistant alloy material is chromium content 8-15wt.% ferrochrome.
The silicon carbide ceramics block, which buries, to be cast from inside the pusher end；When the pusher carries out pusher, potassium sulfate
Fertilizer first denudes the corrosion resistant alloy material outside the pusher end, and then regrinds erosion silicon carbide ceramics.
The silicon carbide ceramics block is provided with some through-core holes (be preferably three), and it is to make to cast burying that it, which sets purpose,
Make the combination of thyrite and corrosion resistant alloy material more firm in journey.
The pusher is welded on the main shaft in the discharging cooler by welding ends, pusher in each cooler that discharges
The quantity of device is 10-30, and each pusher is arranged in the shape of a spiral along main shaft.When the shaft rotates, pusher will discharge cooler
Interior potassium sulfide product is released.
The welding ends of the pusher is provided with U type slot, and the side of the U type slot is provided with connecting hole, placed in U type slot
Metal weld tabs, and be passed through connecting hole and metal weld tabs is fixed in the U type slot of welding ends, it is cold that the metal weld tabs is welded on discharging
But on the main shaft in device.
Design principle of the present utility model and have the beneficial effect that：
1st, the utility model for potassium sulfate fertilizer production heavy corrosion environment and combines its specific technological process, in sulphur
The pusher process that sour potassium fertilizer enters in discharging cooler is innovated；The more cheap silicate material of cost is employed first
With low-cost corrosion-resistant metal material, and according to the carrying out practically state of equipment, according to hydromechanical principle, to pusher structure
It is designed, two kinds of materials is perfectly organically combined on pusher, greatly improves electrochemical corrosion resistant and resistance thing
Manage Abrasion properties and improve production efficiency.
2nd, the material-pulling device in existing discharging cooler typically uses alloy material, and researcher is all more resistance to from how to select
Lose wear-resisting alloy material and start with and be improved, but potassium sulfate fertilizer has serious electrochemical corrosion and physics mill to pusher workpiece
Erosion, the abrasion resistance of alloy material are limited.The utility model is then broken the normal procedure the limitation of thinking, is not to replace material from overall
The angle of material goes to consider, and the mode of the silicon carbide ceramics for the pusher end embedding erosion resistant being utilized in alloy material, pusher
When, the alloy material of outside is first denuded, regrinds the thyrite with extremely strong wear-corrosion resistance inside erosion, greatly
Improve the service life of pusher.
3rd, the utility model use buries casting process and silicon carbide ceramics block is embedded in into ferrochrome material internal, in pusher
The welding ends of device is all alloy material, in favor of the welding with the cooler inner main axis that discharge.
4th, the pusher in the utility model discharging cooler, during potassium sulfate production, greatly extending it makes
With the life-span, through nearly 1 year of running experiment in potassium sulfate fertilizer manufacturing enterprise equipment, operation use state is intact, fully achieves
(overhaul time is a year and a half) preferable service life.Production efficiency is improved, reduces production cost.
Brief description of the drawings
Fig. 1 is material-pulling device in existing discharging cooler in the trimestral abrasion situation photo figure of continuous production.
Fig. 2 is the pusher structural representation that the utility model discharges in cooler.
Fig. 3 is the pusher structural representation (lateral plan for corresponding to Fig. 2) that the utility model discharges in cooler.
Fig. 4 is the silicon carbide ceramics block structure schematic diagram in the pusher that the utility model discharges in cooler.
Fig. 5 is the silicon carbide ceramics block photo figure that casting is buried in the pusher that the utility model discharges in cooler.
Fig. 6 is the photo figure in kind of the pusher in the utility model discharging cooler.
In figure：1- pushers end；2- welding ends；3-U type groove mouths；4- connecting holes；5- silicon carbide ceramics blocks；6- through-core holes.
Embodiment
The utility model is described in detail below in conjunction with drawings and examples.
The utility model is the pusher that mannheim furnace produces potassium sulfate fertilizer discharging cooler, and it is using process：
Potassium sulfate fertilizer is prepared in mannheim furnace, potassium sulfate is sent into discharging cooler and cooled down after mannheim furnace discharging opening, by
Discharging cooler in pusher potassium sulfate is released, then by conveyer belt send out crushed and packed, become potassium sulfate into
Product.
The preparation process of the utility model pusher is：According to design drawing, according to its geomery, producing first can
Meet the silicate ceramics workpiece (silicon carbide ceramics block) of designing technique index performance, and by the method for casting, its is complete
Good casting of burying is handled among corrosion-resistant metallic material, then by Technology for Heating Processing, makes up to optimal using effect.
As Figure 2-3, the pusher 5 is variable cross-section column integrative-structure to the utility model pusher structure, including outer
The corrosion resistant alloy material in portion and the silicon carbide ceramics block 5 within corrosion resistant alloy material；The butt end of the pusher is to push away
Expect end 1, taper end is welding ends 2, and the pusher end 1 is used to release the potassium sulfate fertilizer entered in discharging cooler, the weldering
Connect on the main shaft that end 2 is welded in discharging cooler.
The corrosion resistant alloy material is preferably ferrochrome, and chromium content is 8-15wt.% in the ferrochrome.
The preparation process of the silicon carbide ceramics block 5 is as follows：At additive needed for sic powder (such as B and C), press
According to required geometry compression molding, after pressureless sintering under the conditions of 2200-2600 DEG C, that is, silicon carbide ceramics block 5 is obtained, its
With excellent wearability and decay resistance.
The silicon carbide ceramics block 5 is by burying casting process inside the pusher end 1；When the pusher carries out pusher
When, potassium sulfate fertilizer first denudes the corrosion resistant alloy material outside the pusher end 1, and then regrinds erosion silicon carbide ceramics.
The silicon carbide ceramics block is provided with some through-core holes 6, preferably three, as illustrated in figures 4-5.The through-core hole 6
Setting the purpose of be make bury casting during make the combination of thyrite and corrosion resistant alloy material more firm.
It is described that to bury casting process as follows：Silicon carbide ceramics block is placed in mould, cast ferrochrome in the die cavity of mould
Melt, 1380-1410 DEG C of pouring temperature, it is stripped after cooling and shaping, the whole workpiece after demoulding is heat-treated, is heat-treated work
Skill is：Handled 3 hours at 950 DEG C first, make ferrochrome tissue austenitizing, it is small that quenching 2-4 is then carried out at 950-980 DEG C
When, then naturally cool to room temperature after 200-230 DEG C of temper 2-4 hour, that is, the pusher is obtained, as shown in Figure 6.Through
Ferrochrome material after above-mentioned heat treatment can reach high corrosion-resistant and high-wear resistance.
The pusher is welded on the main shaft in the discharging cooler by welding ends 2, is pushed away in each cooler that discharges
The quantity of glassware is 10-30, and each pusher is arranged in the shape of a spiral along main shaft.When the shaft rotates, pusher will discharge and cool down
Potassium sulfide product in device is released.
The welding ends of the pusher is provided with U type slot 3, and the side of the U type slot 3 is provided with connecting hole 4, in U type slot 3
Metal weld tabs is placed, and is passed through connecting hole 4 and metal weld tabs is fixed in the U type slot 3 of welding ends, the metal weld tabs is welded on
On the main shaft to discharge in cooler.
The pusher of the utility model said structure, it can not only meet that resisting potassium sulfate fertilizer produces severe corrosive environment
Electrochemical corrosion and the destruction of physical abrasion to caused by pusher, production efficiency is greatly improved again, save the energy, reduce
Production cost, production run service life is up to more than a year and a half.
Examples detailed above only refers to, and has photo-deformable that is similar with this patent or extending from this patent thinking
Material and its preparation method and application, the protection domain in this patent.
Claims (5)
- A kind of 1. pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler, it is characterised in that：The pusher is one Body structure, including outside corrosion resistant alloy material and the silicon carbide ceramics block within corrosion resistant alloy material；The pusher Utensil has pusher end and welding ends, and the pusher end is used to release the potassium sulfate fertilizer entered in discharging cooler, the weldering Connect on the main shaft that end is welded in discharging cooler.
- 2. the pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler according to claim 1, its feature exist In：The silicon carbide ceramics block, which buries, to be cast from inside the pusher end；When the pusher carries out pusher, potassium sulfate fertilizer is first ground The corrosion resistant alloy material outside the pusher end is lost, and then regrinds erosion silicon carbide ceramics.
- 3. the pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler according to claim 2, its feature exist In：The silicon carbide ceramics block is provided with some through-core holes, and it is to make silicon carbide ceramics material during casting is buried that it, which sets purpose, The combination of material and corrosion resistant alloy material is more firm.
- 4. the pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler according to claim 1, its feature exist In：The pusher is welded on the main shaft in the discharging cooler by welding ends, pusher in each cooler that discharges Quantity is 10-30, and each pusher is arranged in the shape of a spiral along main shaft；When the shaft rotates, pusher will discharge in cooler Potassium sulfide product is released.
- 5. the pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler according to claim 4, its feature exist In：The welding ends of the pusher is provided with U type slot, and the side of the U type slot is provided with connecting hole, metal is placed in U type slot Weld tabs, and be passed through connecting hole and metal weld tabs is fixed in the U type slot of welding ends, the metal weld tabs is welded on discharging cooler On interior main shaft.
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| CN201720500359.4U CN207046280U (en) | 2017-05-08 | 2017-05-08 | A kind of pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler |
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| CN201720500359.4U CN207046280U (en) | 2017-05-08 | 2017-05-08 | A kind of pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098125A (en) * | 2017-05-08 | 2017-08-29 | 张元利 | A kind of pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler |
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- 2017-05-08 CN CN201720500359.4U patent/CN207046280U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098125A (en) * | 2017-05-08 | 2017-08-29 | 张元利 | A kind of pusher of mannheim furnace production potassium sulfate fertilizer discharging cooler |
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