CN109437984A - A kind of process units and operation process that urea bulky grain is switched to middle particle - Google Patents
A kind of process units and operation process that urea bulky grain is switched to middle particle Download PDFInfo
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- CN109437984A CN109437984A CN201910005626.4A CN201910005626A CN109437984A CN 109437984 A CN109437984 A CN 109437984A CN 201910005626 A CN201910005626 A CN 201910005626A CN 109437984 A CN109437984 A CN 109437984A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
Abstract
The invention discloses a kind of process units and operation process that urea bulky grain is switched to middle particle, fusing urea is generated particle of different sizes under fluidization air effect by combination granulating rotating drum by the present invention, sifter is connected by conveyance conduit with granulating rotating drum is combined, sifter includes mixing chamber, channel isolation, filter chamber, mixing chamber includes rotation axis, scattering rod, casing, rotating bar, disperse grid, filter chamber is respectively equipped with the first filter plate and the second filter plate from upper to small, destroyer includes breaker roll, hydraulic stem, pressure release part, fixed plate one, fixed plate two, lead screw, cooler passes through transfer passage and mixing chamber respectively, filter chamber is connected with destroyer, the exhaust gas that exhaust gas treating device is used to generate technique is collected, monitor includes A/D converter, control unit, data quantization analytical unit, power supply unit, For carrying out real-time monitoring to technique.
Description
Technical field
The invention belongs to chemical production technical fields, and in particular to a kind of production dress that urea bulky grain is switched to middle particle
It sets and operation process.
Background technique
It is known with the method that fluidized bed carries out carbamide granulation.This method include by high concentration, generally 96% or
The urea liquid fine droplets of person's higher concentration, are sprayed in fluid bed granulate.The urea liquid is also referred to as the growth-promoting media of fluidized bed.
The small solid particle (general diameter is less than 2mm) of identical or different substance is referred to as grain kind, fluidized bed is equally admitted to, thus conduct
The initial point of growth-promoting media successive sedimentation promotes granulation operations.Then, the growth particle of grain kind and urea forms bed.In general, stream
Change process carries out under air.
In conventional method, the particle for being fluidized bed conveying is by screening, also, of extra large size and undersize
Grain is used as grain kind material, for example, the particle of undersize, which is directed, returns to fluidized bed, the particle of extra large size be then crushed from
And it is used to further production grain kind material.China urea market with International Urea price in recent years depression, profit margin by
Gradual change is small, and most domestic urea producer loses, and since China soil is since the reclamation of wasteland, urea is as nitrogenous fertilizer or top dressing
A large amount of uses cause soil nutrient unbalance, soil caused by formula operation and work, agricultural production is robbed in the soil erosion, excessive cultivation
Earth nutrient situation deteriorates, and the fertilizer efficiency phase is short, nutrient supply is uneven, and nutrient supply is unbalanced, wants in order to adapt to market
Ask, granular urea can be switched into middle particle, urea plant first by adjusting the size of vibrating screen upper and lower level sieve, though
So product particle is made to reach middle particulate level requirement, but there are returning charge crystal seed is more, the device cycle of operation is short, cannot be well to not
The urea granules of same size carry out categorised collection, cause middle powder collection amount low, need a large amount of manpower and material resources；Simultaneously to receipts
When granular urea after collection is crushed, the spacing between crusher cannot be adjusted well, when being easy to appear recycling urea
Vertical particle is larger, reduces remanufacture rate.It needs one kind convenient for screening in a word, crusher can be quickly adjusted when being crushed
Between spacing, improve recovery efficiency.
Summary of the invention
For the above technical problems, the present invention provides a kind of production dresses that urea bulky grain is switched to middle particle
It sets and operation process.
The technical solution of the present invention is as follows: a kind of process units that urea bulky grain is switched to middle particle, including combination are granulated
Rotary drum, sifter, destroyer, cooler, combination cooler drum, exhaust gas treating device, monitor, the combination granulating rotating drum will melt
Melt urea and generate particle of different sizes under fluidization air effect, the sifter by conveyance conduit with combine granulating rotating drum
It is connected, the sifter includes mixing chamber, channel isolation, filter chamber, is equipped with feed inlet above sifter, the mixing chamber is fixed
The upper end in sifter, mixing chamber include rotation axis, scattering rod, casing, rotating bar, dispersion grid, and the rotation axis runs through position
In the middle part of sifter, the scattering rod has two groups, is symmetrically fixed on the left and right sides of rotation axis, and there are two sets for housing on scattering rod
Pipe, the rotating bar are separately fixed at the two sides up and down of casing, and dispersion grid is fixed in ipsilateral rotating bar, and the isolation is logical
Road is fixed on sifter middle-end, and slow material mouth is evenly distributed with inside channel isolation, and the filter chamber is respectively equipped with from upper to small
It is equipped with separating plate above one filter plate and the second filter plate, the first filter plate and the second filter plate, the separating plate is set respectively
There is spring lever, the spring lever is connected with mixing chamber interior walls, and by bush outer sleeve in rotation axis, rotation axis outer wall is equipped with the other end
Sliding slot, the sleeve are moved up and down by sliding slot in rotation axis, and separating plate is fixedly arranged above air cavity, and the air cavity lower end is opened
There is gas outlet, separating plate lower end is fixed with expansion bend, and the expansion bend lower end is fixed with bristle, sub-material mouth is provided in filter chamber,
The sub-material mouth is corresponding with the second filter plate with the first filter plate respectively, and the sub-material mouth is circumscribed with feed back channel, filter chamber
Lower end is equipped with discharge port, is equipped with gas concentration inductor in mixing chamber and filter chamber, and the destroyer is connected with feed back channel, breaks
Millstone includes breaker roll, hydraulic stem, pressure release part, fixed plate one, fixed plate two, lead screw, and the breaker roll side is connected with described
Pressure release part, the hydraulic stem are connected by movable chamber with pressure release part, and spring is equipped between hydraulic stem and movable chamber distal end, described solid
Fixed board one is fixed to be located at fixed plate one with hydraulic stem proximal end, the fixation of fixed plate two and the movable cavity outer wall, the lead screw
Between fixed plate two, for hydraulic stem by driving fixed plate one to move on lead screw, the cooler passes through transfer passage respectively
It is connected with mixing chamber, filter chamber and destroyer, the combination cooler drum is connected by conveyance conduit with the discharge port, described
The exhaust gas that exhaust gas treating device is used to generate technique is collected, and the monitor includes A/D converter, control unit, data
Quantitative analysis unit, power supply unit, for carrying out real-time monitoring to technique.
Further, the slow material mouth is that upper and lower ends are narrow, and intermediate wide structure, inside is equipped with temperature inductor and pops one's head in,
The temperature inductor probe is electrically connected with the monitor, convenient for understanding the real time temperature of sifter.
Further, disperse grid, the first filter plate and the second filter plate and be coated with adhesive, the adhesive is under
The group of column parts by weight is grouped as: 40-50 parts of polycaprolactone, 13-15 parts of glass fibre, 20-25 parts of lauryl sodium sulfate, pungent
20-26 parts of base phenol polyvinylether, 8-10 parts of Rosin polyoxyethylene ether sodium sulfonate, 4-6 parts of triphenyl phosphite guarantee that particle does not glue
In on device.
Further, expansion bend is connected by pull rod with the separating plate, and pull rod lower end is equipped with fixed block, the fixed block
Left and right ends be equipped with spring lever, be connected by connecting rod with pull rod between the spring lever, connecting rod vertical direction middle part is passed through
It is equipped with push rod, the push rod lower end is cased with spring, and push rod lower end is equipped with pasting boards, and the bristle is located under the pasting boards
Side guarantees that bristle completely clears up particle.
Further, pressure release part includes bolt hole, left splint, right splint, slow pressing ring, shank of bolt, nut, the bolt hole
Through pressure release part vertical direction, the left clamp is vertically vertically fixed on bolt hole inner wall, and the right clamping plate is vertically vertically solid
It is scheduled on bolt hole inner wall, is placed in bolt hole in the slow pressing ring, the shank of bolt is fixed in slow pressing ring, and the nut has two
It is a, it is threadedly coupled with bolt hole upper and lower ends, for fixing left clamp and right clamping plate, guarantees broken abundant respectively.
Further, it is connected with data logger outside sifter, destroyer, cooler, device is transported by data logger
Capable data are recorded, and are recorded under a large amount of screening and cooling work, are selected most reasonable scheme, are transported to device
Row optimizes.
Further, the operation process for the process units that urea bulky grain is switched to middle particle is utilized, comprising the following steps:
1) effect of the fusing urea in combination granulating rotating drum through flow rate air is generated into particle of different sizes, conveying
The granular urea of generation is transported in sifter by channel, is poured into urea by feed inlet, sifter drops in cooler
Temperature is handled, and the rotation axis rotation in mixing chamber drives scattering rod to be stirred, and rotating bar is under the action of casing, decentralized network
Lattice futher stir processing；
2) after mixing chamber is stirred urea, channel isolation carries out temperature monitoring to the urea after stir process,
Information is fed back to detector, to control the temperature in sifter, channel isolation will be fallen in filter chamber under urea, filter chamber
In separating plate rotated under the action of rotation axis, air cavity is exhausted by gas outlet to the first filter plate and the second mistake
On filter plate, classification screening is carried out to the urea of different size particles, bulky grain is discharged on the first filter plate, and middle particle is
It is discharged on two filter plates, little particle is discharged by discharge port；
3) separating plate is moved up and down by spring lever drive simultaneously, and pushing drawing rod is moved by spring lever in fixed block
It is dynamic, so that push rod be pushed to move down, bristle is made preferably to be bonded the first filter plate and the second filter plate, guarantees different particles
It is completely exhausted out, bulky grain and little particle are transported in destroyer by transfer passage and carry out break process, and destroyer passes through lead screw
Zone of action hydrodynamic compression bar in the distance pushed between breaker roll mobile in movable chamber, break process is carried out to bulky grain, in
Grain is transported in combination cooler drum by transfer passage.
4) exhaust gas treating device is collected processing to the gas generated in production process, and monitor carries out each device real
When monitor, the urea for not meeting middle particle is transported in melting device carry out granulation again processing.
Compared with prior art, beneficial effects of the present invention: structure of the invention is reasonable, to the different size of urine after production
Crude granule is sieved, and the efficiency of granular urea in production is improved, and sifter is sieved by multistage processing, guarantees that screening is filled
Point, mix less, by carrying out break process to incongruent particle, can quickly adjust the spacing between crusher, be crushed
Particle is few afterwards, and convenient for recycling, whole process is greatly lowered complete equipment cost, consumes small, raising working efficiency.
Detailed description of the invention
Fig. 1 is process flow chart of the invention；
Fig. 2 is the structural schematic diagram of sifter of the invention；
Fig. 3 is the structural schematic diagram of expansion bend of the invention；
Fig. 4 is the structural schematic diagram of destroyer of the invention；
Wherein, 1- combines granulating rotating drum, 2- sifter, 21- mixing chamber, 210- sliding slot, 211- rotation axis, 212- dispersion
Bar, 213- casing, 214- rotating bar, 215- dispersion grid, 22- channel isolation, 221- delay material mouth, the filter chamber 23-, 230- discharging
Mouth, the first filter plate of 231-, the second filter plate of 232-, 234- spring lever, 235- sleeve, 236- air cavity, the gas outlet 237-, 238-
Expansion bend, 239- bristle, 240- sub-material mouth, 241- pull rod, 242- fixed block, 243- spring lever, 245- connecting rod, 246- are pushed away
Bar, 247- pasting boards, 24- feed inlet, 3- destroyer, 31- breaker roll, 32- hydraulic stem, 33- pressure release part, 331- bolt hole,
The right clamping plate of 332- left clamp, 333-, 334- delay pressing ring, 335- shank of bolt, 336- nut, 34- fixed plate one, 35- fixed plate two,
36- lead screw, 37- movable chamber, 4- cooler, 5- combine cooler drum, 6- exhaust gas treating device.
Specific embodiment
Embodiment:
A kind of process units that urea bulky grain is switched to middle particle, including combination granulating rotating drum 1, sifter 2, destroyer
3, cooler 4, combination cooler drum 5, exhaust gas treating device 6, monitor, sifter 2, destroyer 3, cooler 4 are connected with data outside
Recorder is recorded by the data that data logger runs device, and is carried out under a large amount of screening and cooling work
Record, selects most reasonable scheme, optimizes to device operation, and combination granulating rotating drum 1 makees fusing urea in fluidization air
Particle of different sizes is generated with lower, sifter 2 is connected by conveyance conduit with granulating rotating drum 1 is combined, and sifter 2 includes mixing
Room 21, channel isolation 22, filter chamber 23 are equipped with feed inlet 24 above sifter 2, and mixing chamber 21 is fixed on upper end in sifter,
Mixing chamber 21 includes rotation axis 211, scattering rod 212, casing 213, rotating bar 214, dispersion grid 215, and rotation axis 211 runs through position
In 2 middle part of sifter, scattering rod 212 has two groups, is symmetrically fixed on the left and right sides of rotation axis 211, is cased with outside on scattering rod 212
Two casings 216, rotating bar 214 are separately fixed at the two sides up and down of casing 215, and dispersion grid 215 is fixed on ipsilateral rotation
On bar 214, channel isolation 22 is fixed on 2 middle-end of sifter, and slow material mouth 221 is evenly distributed with inside channel isolation 22, delays material mouth
221 is narrow for upper and lower ends, and intermediate wide structure, inside is equipped with temperature inductor and pops one's head in, temperature inductor probe and 6 electricity of monitor
Property connection, filter chamber 23 is respectively equipped with the first filter plate 231 and the second filter plate 232 from upper to small, the first filter plate 231 and the
Separating plate 233 is equipped with above two filter plates 232, separating plate 233 is respectively equipped with spring lever 234, spring lever 234 and mixing chamber 23
Inner wall is connected, and the other end is coated at rotation axis 211 by sleeve 235, and 211 outer wall of rotation axis is equipped with sliding slot 210, and sleeve 235 is logical
It crosses sliding slot 210 to move up and down in rotation axis 211, separating plate 233 is fixedly arranged above air cavity 236, and 236 lower end of air cavity is provided with out
Port 237,233 lower end of separating plate are fixed with expansion bend 238, and expansion bend 238 is connected by pull rod 241 with separating plate 233, pull rod
241 lower ends are equipped with fixed block 242, and the left and right ends of fixed block 242 are equipped with spring lever 243, pass through connecting rod between spring lever 243
245 are connected with pull rod 241, and through push rod 246 is equipped in the middle part of 245 vertical direction of connecting rod, 246 lower end of push rod is cased with spring 244,
246 lower end of push rod is equipped with pasting boards 247, and bristle 239 is located at 247 lower section of pasting boards, and 238 lower end of expansion bend is fixed with bristle 239,
Sub-material mouth 240 is provided in filter chamber 23, sub-material mouth 240 is corresponding with the second filter plate 232 with the first filter plate 231 respectively, point
Material mouth 240 is circumscribed with feed back channel, and 23 lower end of filter chamber is equipped with discharge port 230, is equipped with gas in mixing chamber 21 and filter chamber 23
Concentration inductor, destroyer 3 are connected with feed back channel, and destroyer 3 includes breaker roll 31, hydraulic stem 32, pressure release part 33, fixed plate
One 34, fixed plate 2 35, lead screw 36,31 side of breaker roll are connected with pressure release part 33, and pressure release part 33 includes bolt hole 331, Zuo Jia
Plate 332, right clamping plate 333, slow pressing ring 334, shank of bolt 335, nut 336, bolt hole 331 through 33 vertical direction of pressure release part,
Left clamp 332 is vertically vertically fixed on 331 inner wall of bolt hole, and right clamping plate 333 is vertically vertically fixed on 331 inner wall of bolt hole, delays
Be placed in pressing ring 334 in bolt hole 331, shank of bolt 335 is fixed in slow pressing ring 334, and there are two nuts 336, respectively with bolt
331 upper and lower ends of hole are threadedly coupled, and for fixing left clamp 332 and right clamping plate 333, hydraulic stem 32 passes through movable chamber 37 and pressure release
Part 33 is connected, and spring 244, the fixation of fixed plate 1 and 32 proximal end of hydraulic stem are equipped between 37 distal end of hydraulic stem 32 and movable chamber,
The fixation of fixed plate 2 35 and 37 outer wall of movable chamber, for lead screw 36 between fixed plate 1 and fixed plate 2 35, hydraulic stem 32 is logical
It crosses drive fixed plate 1 to move on lead screw 36, cooler 4 by transfer passage and mixing chamber 21, filter chamber 23 and is broken respectively
Millstone 3 is connected, and combination cooler drum 5 is connected by conveyance conduit with discharge port 230, and exhaust gas treating device 6 is used to generate technique
Exhaust gas be collected, monitor includes A/D converter, control unit, data quantization analytical unit, power supply unit, for pair
Technique carries out real-time monitoring, disperses grid 215, the first filter plate 231 and the second filter plate 232 among the above and is coated with adhesive,
The adhesive consists of the following components in parts by weight: 40-50 parts of polycaprolactone, 13-15 parts of glass fibre, dodecyl
20-25 parts of sodium sulphate, 20-26 parts of octylphenol polyethylene vinethene, 8-10 parts of Rosin polyoxyethylene ether sodium sulfonate, triphenyl phosphite 4-
6 parts.
Utilize the operation process for the process units that urea bulky grain is switched to middle particle, comprising the following steps:
1) effect of the fusing urea in combination granulating rotating drum 1 through flow rate air is generated into particle of different sizes, it is defeated
Send channel that the granular urea of generation is transported in sifter 2, poured into urea by feed inlet, cooler 4 to sifter 2 into
Row cooling is handled, and the rotation of rotation axis 211 in mixing chamber 21 drives scattering rod 212 to be stirred, and rotating bar 214 is in casing
Under the action of 216, dispersion grid 215 futher stirs processing；
2) after mixing chamber 21 is stirred urea, channel isolation 22 carries out temperature prison to the urea after stir process
It surveys, information is fed back to detector 6, to control the temperature in sifter 2, channel isolation 22 will fall on filter chamber 23 under urea
In, the separating plate 233 in filter chamber 23 is rotated under the action of rotation axis 211, and air cavity 236 is carried out by gas outlet 237
It is vented on the first filter plate 231 and the second filter plate 232, classification screening is carried out to the urea of different size particles, big
Grain is discharged on the first filter plate 231, and middle particle is discharged on the second filter plate 232, and little particle is discharged by discharge port 230；
3) separating plate 233 is moved up and down by the drive of spring lever 234 simultaneously, and pushing drawing rod 241 passes through spring lever 234
It is mobile in fixed block 242, so that push rod 246 be pushed to move down, make preferably the first filter plate 231 of fitting and the of bristle 239
Two filter plates 232 guarantee that different particles is completely exhausted out, and bulky grain and little particle are transported in destroyer 3 by transfer passage
Break process is carried out, destroyer 3 pushes breaker roll 31 by the way that the zone of action hydrodynamic compression bar 32 of lead screw 36 is mobile in movable chamber 37
The distance between, break process is carried out to bulky grain, middle particle is transported in combination cooler drum 5 by transfer passage.
4) exhaust gas treating device 6 is collected processing to the gas generated in production process, and monitor carries out each device
Real-time monitoring is transported in melting device the urea for not meeting middle particle and carries out the processing of granulation again.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (8)
1. a kind of process units that urea bulky grain is switched to middle particle, which is characterized in that main includes combination granulating rotating drum
(1), sifter (2), destroyer (3), cooler (4), combination cooler drum (5), exhaust gas treating device (6), monitor, described group
It closes granulating rotating drum (1) and fusing urea is generated into particle of different sizes under fluidization air effect, the sifter (2) passes through defeated
Pipeline is sent to be connected with granulating rotating drum (1) is combined, the sifter (2) includes mixing chamber (21), channel isolation (22), filter chamber
(23), feed inlet (24) are equipped with above sifter (2), the mixing chamber (21) is fixed on upper end in sifter, mixing chamber (21)
Including rotation axis (211), scattering rod (212), casing (213), rotating bar (214), dispersion grid (215), the rotation axis
(211) through being located in the middle part of sifter (2), the scattering rod (212) has two groups, is symmetrically fixed on the left and right of rotation axis (211)
Two sides, there are two casing (216), the rotating bar (214) to be separately fixed at the upper of casing (215) for housing on scattering rod (212)
Lower two sides, dispersion grid (215) are fixed on ipsilateral rotating bar (214), and the channel isolation (22) is fixed on sifter (2)
Middle-end, channel isolation (22) is internal to be evenly distributed with slow material mouth (221), and the filter chamber (23) is respectively equipped with first from upper to small
Filter plate (231) and the second filter plate (232), the first filter plate (231) and the second filter plate (232) top are equipped with separating plate
(233), the separating plate (233) is respectively equipped with spring lever (234), and the spring lever (234) is connected with mixing chamber (23) inner wall,
The other end is coated at rotation axis (211) by sleeve (235), and rotation axis (211) outer wall is equipped with sliding slot (210), the sleeve
(235) it is moved up and down by sliding slot (210) in rotation axis (211), separating plate (233) is fixedly arranged above air cavity (236), institute
It states air cavity (236) lower end to be provided with gas outlet (237), separating plate (233) lower end is fixed with expansion bend (238), the expansion bend
(238) lower end is fixed with bristle (239), is provided on filter chamber (23) sub-material mouth (240), and the sub-material mouth (240) is respectively with
One filter plate (231) is corresponding with the second filter plate (232), and the sub-material mouth (240) is circumscribed with feed back channel, filter chamber (23)
Lower end is equipped with discharge port (230), and gas concentration inductor, the destroyer (3) are equipped in mixing chamber (21) and filter chamber (23)
It is connected with feed back channel, destroyer (3) includes breaker roll (31), hydraulic stem (32), pressure release part (33), fixed plate one (34), consolidates
Fixed board two (35), lead screw (36), breaker roll (31) side are connected with the pressure release part (33), and the hydraulic stem (32) passes through
Movable chamber (37) is connected with pressure release part (33), is equipped with spring (244) between hydraulic stem (32) and movable chamber (37) distal end, described solid
Fixed board one (34) fixation and hydraulic stem (32) proximal end, fixed plate two (35) fixation and the movable chamber (37) outer wall, it is described
Lead screw (36) between fixed plate one (34) and fixed plate two (35), and it is interior be equipped with spring (244), hydraulic stem (32) passes through band
Dynamic fixed plate one (34) moves on lead screw (36), and the cooler (4) passes through transfer passage and mixing chamber (21), filtering respectively
Room (23) is connected with destroyer (3), and the combination cooler drum (5) is connected by conveyance conduit with the discharge port (230), institute
Exhaust gas treating device is stated to be collected for the exhaust gas that generates technique, the monitor (6) include A/D converter, control unit,
Data quantization analytical unit, power supply unit, for carrying out real-time monitoring to technique.
2. a kind of process units that urea bulky grain is switched to middle particle as described in claim 1, which is characterized in that described slow
Material mouth (221) is that upper and lower ends are narrow, and intermediate wide structure, inside is equipped with temperature inductor and pops one's head in, the temperature inductor probe
It is electrically connected with the monitor (6).
3. a kind of process units that urea bulky grain is switched to middle particle as described in claim 1, which is characterized in that described point
It dissipates grid (215), the first filter plate (231) and the second filter plate (232) and is coated with adhesive, the adhesive is by following heavy
The group of amount number is grouped as: 40-50 parts of polycaprolactone, 13-15 parts of glass fibre, 20-25 parts of lauryl sodium sulfate, octyl phenol
20-26 parts of polyvinylether, 8-10 parts of Rosin polyoxyethylene ether sodium sulfonate, 4-6 parts of triphenyl phosphite.
4. a kind of process units that urea bulky grain is switched to middle particle, which is characterized in that the expansion bend (238) passes through pull rod
(241) it is connected with the separating plate (233), pull rod (241) lower end is equipped with fixed block (242), the left and right of the fixed block (242)
Both ends are equipped with spring lever (243), are connected by connecting rod (245) with pull rod (241) between the spring lever (243), connecting rod
(245) through push rod (246) are equipped in the middle part of vertical direction, push rod (246) lower end is cased with spring (244), under push rod (246)
End is equipped with pasting boards (247), and the bristle (239) is located at below the pasting boards (247).
5. a kind of process units that urea bulky grain is switched to middle particle, which is characterized in that the pressure release part (33) includes bolt
Hole (331), left clamp (332), right clamping plate (333), slow pressing ring (334), shank of bolt (335), nut (336), the bolt hole
(331) through pressure release part (33) vertical direction, the left clamp (332) is vertically vertically fixed on bolt hole (331) inner wall, institute
It states right clamping plate (333) and is vertically vertically fixed on bolt hole (331) inner wall, be placed on bolt hole (331) in the slow pressing ring (334)
Interior, the shank of bolt (335) is fixed in slow pressing ring (334), and there are two the nuts (336), respectively and on bolt hole (331)
Lower both ends are threadedly coupled, for fixing left clamp (332) and right clamping plate (333).
6. a kind of process units that urea bulky grain is switched to middle particle, which is characterized in that the sifter (2), destroyer
(3), it is connected with data logger outside cooler (4), is recorded by the data that data logger runs device, and a large amount of
Screening and cooling work under recorded, select most reasonable scheme, to device operation optimize.
7. utilizing the operation process for the process units that urea bulky grain is switched to middle particle, which comprises the following steps:
1) effect by fusing urea in combination granulating rotating drum (1) through flow rate air generates particle of different sizes, conveying
The granular urea of generation is transported in sifter (2) by channel, is poured into urea by feed inlet, and cooler (4) is to sifter
(2) cooling processing is carried out, rotation axis (211) rotation in mixing chamber (21) drives scattering rod (212) to be stirred, and rotates
For bar (214) under the action of casing (216), dispersion grid (215) futher stirs processing；
2) after mixing chamber (21) is stirred urea, channel isolation (22) carries out temperature prison to the urea after stir process
It surveys, information is fed back to detector (6), to control the temperature in sifter (2), channel isolation (22) will be fallen under urea
In filter chamber (23), the separating plate (233) in filter chamber (23) is rotated under the action of rotation axis (211), and air cavity (236) is logical
It crosses gas outlet (237) to be exhausted onto the first filter plate (231) and the second filter plate (232), to different size particles
Urea carries out classification screening, and bulky grain is discharged on the first filter plate (231), and middle particle is discharged on the second filter plate (232),
Little particle is discharged by discharge port (230)；
3) separating plate (233) is moved up and down by spring lever (234) drive simultaneously, and pushing drawing rod (241) passes through spring lever
(234) mobile in fixed block (242), so that push rod (246) be pushed to move down, make bristle (239) preferably the first mistake of fitting
Filter plate (231) and the second filter plate (232), guarantee that different particles is completely exhausted out, bulky grain and little particle pass through transfer passage
It is transported in destroyer (3) and carries out break process, destroyer (3) is by the zone of action hydrodynamic compression bar (32) of lead screw (36) in activity
It is mobile in chamber (37) to push the distance between breaker roll (31), break process is carried out to bulky grain, middle particle passes through transfer passage
It is transported in combination cooler drum (5).
4) exhaust gas treating device is collected processing to the gas generated in production process, and monitor (6) carries out each device real
When monitor, the urea for not meeting middle particle is transported in melting device carry out granulation again processing.
8. a kind of process units that urea bulky grain is switched to middle particle as described in claim 1, which is characterized in that described the
Two filter plates (232) are coated with adhesive, and the adhesive consists of the following components in parts by weight: polycaprolactone 40-50
Part, 13-15 parts of glass fibre, 20-25 parts of lauryl sodium sulfate, 20-26 parts of octylphenol polyethylene vinethene, Rosin polyoxyethylene ether
8-10 parts of sodium sulfonate, 4-6 parts of triphenyl phosphite.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005626.4A CN109437984B (en) | 2019-01-03 | 2019-01-03 | Production device for converting large urea particles into medium urea particles and operation process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005626.4A CN109437984B (en) | 2019-01-03 | 2019-01-03 | Production device for converting large urea particles into medium urea particles and operation process |
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| CN109437984B CN109437984B (en) | 2021-10-01 |
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|---|---|---|---|---|
| CN1257053A (en) * | 1999-11-09 | 2000-06-21 | 蒋大洲 | Large size particle urea composite rotary drum prilling technology and equipment |
| CN1451651A (en) * | 2002-04-16 | 2003-10-29 | 李思斌 | Improved method and apparatus for combined drum granulating large granule urea |
| EP2774907A2 (en) * | 2013-03-06 | 2014-09-10 | Instytut Nawozów Sztucznych | Method and plant for continuous manufacture of granular USP nitrogen and phosphate type fertilizers and products on their basis |
| CN206064501U (en) * | 2016-09-23 | 2017-04-05 | 山东三方化工集团有限公司 | The hardened material screening crushing all-in-one machine of double teeth roller compound fertilizer |
| CN206109245U (en) * | 2016-09-18 | 2017-04-19 | 天津富成源肥业有限公司 | Three -dimensional elasticity three -dimensional net nest controlled release fertilizer diolame device |
| CN108947735A (en) * | 2018-09-07 | 2018-12-07 | 丁振东 | A kind of bio-organic fertilizer and its production technology based on minerals |
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2019
- 2019-01-03 CN CN201910005626.4A patent/CN109437984B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257053A (en) * | 1999-11-09 | 2000-06-21 | 蒋大洲 | Large size particle urea composite rotary drum prilling technology and equipment |
| CN1451651A (en) * | 2002-04-16 | 2003-10-29 | 李思斌 | Improved method and apparatus for combined drum granulating large granule urea |
| EP2774907A2 (en) * | 2013-03-06 | 2014-09-10 | Instytut Nawozów Sztucznych | Method and plant for continuous manufacture of granular USP nitrogen and phosphate type fertilizers and products on their basis |
| CN206109245U (en) * | 2016-09-18 | 2017-04-19 | 天津富成源肥业有限公司 | Three -dimensional elasticity three -dimensional net nest controlled release fertilizer diolame device |
| CN206064501U (en) * | 2016-09-23 | 2017-04-05 | 山东三方化工集团有限公司 | The hardened material screening crushing all-in-one machine of double teeth roller compound fertilizer |
| CN108947735A (en) * | 2018-09-07 | 2018-12-07 | 丁振东 | A kind of bio-organic fertilizer and its production technology based on minerals |
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