CN218077760U - Granulation production system with double processes of drum granulation and extrusion granulation - Google Patents
Granulation production system with double processes of drum granulation and extrusion granulation Download PDFInfo
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- CN218077760U CN218077760U CN202221304729.4U CN202221304729U CN218077760U CN 218077760 U CN218077760 U CN 218077760U CN 202221304729 U CN202221304729 U CN 202221304729U CN 218077760 U CN218077760 U CN 218077760U
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- 238000005469 granulation Methods 0.000 title claims abstract description 117
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- 230000008569 process Effects 0.000 title claims abstract description 25
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- 238000002156 mixing Methods 0.000 claims abstract description 20
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- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
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- 241001131688 Coracias garrulus Species 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
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Abstract
The utility model discloses a granulation production system with a rotary drum granulation process and an extrusion granulation process, which comprises an electronic automatic batching system, a granulation unit, a dryer, a primary cooler, a primary screening unit, a secondary screening machine, a secondary cooler, a finished product fine screening machine, a finished product collecting bin, a finished product belt weigher, a film coating machine, a finished product trough and a finished product warehouse which are connected in sequence; the granulation unit comprises a first extrusion granulation unit and a second rotary drum granulation unit; the first extrusion granulation unit consists of a first mixing belt conveyor, a mixer and an extrusion granulator which are connected in sequence; the second rotary drum granulation unit is composed of a second material mixing belt conveyor, a raw material crusher and a rotary drum granulator which are connected in sequence. The utility model discloses make up rotary drum granulation technology and extrusion granulation technology, provide a system that possesses rotary drum granulation and two technologies of extrusion granulation for this production system can rationally reduce the equipment quantity in the production line, greatly reduced manufacturing cost.
Description
Technical Field
The utility model relates to a fertilizer production technical field especially relates to a possess granulation production system of rotary drum granulation and two technologies of extrusion granulation simultaneously.
Background
In recent years, in order to relieve the increasingly severe resource and environmental protection pressure and promote the sustainable development of agriculture, the country greatly promotes the production and use of the slow-controlled release fertilizer with the characteristics of high utilization rate, resource saving, environmental friendliness, labor saving, fertilizer saving and the like.
The fertilizer is prepared by two or more of nitrogenous fertilizer, phosphate fertilizer, potash fertilizer or other trace element fertilizer according to a certain proportion by a chemical method or a mixing method. The fertilizer preparation method and the process thereof are various, such as rotary drum granulation, extrusion granulation and the like.
The utility model with the application publication number of CN215196810U provides a compound fertilizer rotary drum granulation device, which comprises a rotary drum granulation cylinder rotationally connected to a supporting seat, wherein a feeding pipe rotationally connected with the rotary drum granulation cylinder is connected to the supporting seat, a discharging pipe is arranged at the bottom of the rotary drum granulation cylinder, a solenoid valve is connected to the discharging pipe, a driving structure for driving the rotary drum granulation cylinder to rotate is connected to the rotary drum granulation cylinder, an atomizing pipe is connected to the rotary drum granulation cylinder, a branch pipe is connected to the atomizing pipe, a spray head is connected to the branch pipe, the atomizing pipe extends to the outside of the rotary drum granulation cylinder and is connected to a water supply tank, and a water pump is connected to the atomizing pipe; the rotary drum granulation cylinder is connected with a drying structure; the device has avoided the problem that the material after the granulation bonds again, has realized improving machining efficiency and processingquality's effect, and the structure of spray pipe can also realize the effect of stirring in carrying out the drying process to the material after the granulation simultaneously, has improved drying efficiency.
The utility model discloses a utility model patent that application notice number is CN207137885U provides an extrusion prilling granulator for fertilizer production line, which comprises a housin, the cone, the discharge gate, apron and income hopper, the inside from the top down of casing is in proper order including drawing in the mechanism, granulation mechanism and scattering mechanism, draw in the mechanism including drawing in board and pulley subassembly, granulation mechanism includes two extrusion granulation rollers, every extrusion granulation roller leaves the hemisphere recess array on the surface, two extrusion granulation rollers rotate in opposite directions and make two extrusion granulation rollers on the hemisphere recess laminate each other, scattering mechanism includes two scattering axis of rotation and along scattering the stick of scattering the radial installation of axis of rotation, two scattering axis of rotation rotate in opposite directions and two scattering the epaxial scattering stick of rotation are crisscross each other. The device can extrude and granulate the organic fertilizer, and the produced particles have high density, are uniform, have good particle formability, are not easy to disperse, have high granulation efficiency and have obvious economic value and social value.
The production device and the production system are all provided based on one production process, the production of products with different production processes cannot be met, and if a production enterprise needs to produce products with different processes, corresponding production lines are often required to be installed according to each production process, so that the production cost is greatly improved, and the production efficiency is reduced.
Therefore, there is a need to provide a production system which can meet the requirements of the production of products with different production processes, and can reduce the number of production equipment and the production cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a possess granulation production system of rotary drum granulation and two technologies of extrusion granulation simultaneously, this production system and can realize rotary drum granulation production technology, can realize extrusion granulation technology again, reduce the quantity of production facility greatly, show reduction in production cost.
The specific technical scheme is as follows:
a granulation production system with a rotary drum granulation process and an extrusion granulation process simultaneously comprises an electronic automatic batching system, a granulation unit, a dryer, a primary cooler, a primary screening unit, a secondary screening machine, a secondary cooler, a finished product fine selection screening machine, a finished product collecting bin, a finished product belt weigher, a film coating machine, a finished product trough and a finished product warehouse which are sequentially connected;
the granulation unit comprises a first extrusion granulation unit and a second rotary drum granulation unit; the first extrusion granulation unit consists of a first mixing belt conveyor, a mixer and an extrusion granulator which are connected in sequence; the second rotary drum granulation unit consists of a second material mixing belt conveyor, a raw material crusher and a rotary drum granulator which are connected in sequence; the primary screening group consists of a primary screening machine I and a primary screening machine II; the electronic automatic batching system is respectively connected with the first mixing belt conveyor and the second mixing belt conveyor; the extrusion granulator and the rotary drum granulator are respectively connected with a dryer.
The rotary drum granulation process involved in the production system can be used for producing compound fertilizers, and the extrusion granulation can be used for producing soil conditioners and the like. The soil conditioner generally does not contain materials with larger viscosity, such as urea, potassium chloride and the like, granulation cannot be carried out in drum granulation, the production line is improved to have the production functions of various products, and the utilization rate of the production line can be greatly improved.
The extrusion granulation process and the rotary drum granulation process in the production system are not carried out simultaneously, and the two process production lines can be controlled by independent switches, so that when one line runs, other unused equipment can be closed without mutual interference.
Further, one-level screening machine I is large granule screening machine 1, is connected with first large granule breaker, first large granule breaker with the blendor is connected, and the large granule raw materials that will sieve kibbling carry out the returning charge, participate in granulation again
Further, one-level screening machine II is large granule screening machine 2, is connected with second large granule breaker, second large granule breaker with second compounding belt feeder is connected, and the large granule raw materials after will sieving and smashing carry out the returning charge, participate in the granulation again.
Further, the secondary screening machine is directly connected with a finished product trough through a belt conveyor, and screened finished product particles are sent into the finished product trough to enter a subsequent packaging process.
Further, the secondary screening machine is respectively connected with a mixer of the extrusion granulation production line and a rotary drum granulator of the rotary drum granulation production line through a belt conveyor; returning the screened small particles to participate in granulation again.
Further, the finished product fine selection screening machine is connected with the rotary drum granulator through a belt conveyor; and further screening out small particles, returning the small particles to a drum granulation system, namely a three-stage screening system, and ensuring the uniformity of the sizes of finished product particles.
Further, the finished product trough is sequentially connected with an electronic automatic metering and packaging scale, an automatic stacking machine and a finished product warehouse to finish product metering and packaging and stacking.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses make up rotary drum granulation technology and extrusion granulation technology, provide the granulation production system who possesses rotary drum granulation and the two technologies of extrusion granulation simultaneously for this production system can, rationally reduced the equipment quantity in the production line, greatly reduced manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of a granulation production system with a drum granulation and an extrusion granulation dual process.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in figure 1, the utility model provides a possess granulation production system of rotary drum granulation and extrusion granulation dual process simultaneously, this system includes: the automatic electronic batching system comprises an electronic automatic batching system 1, a granulating unit 2, a dryer 3, a primary cooler 4, a primary screening unit 5, a secondary screening machine 6, a secondary cooler 7, a finished product fine selection screening machine 8, a finished product collecting bin 9, a finished product belt metering scale 10, a film wrapping machine 11, a finished product trough 12, an electronic automatic metering packaging scale 13, an automatic stacking machine 14 and a finished product warehouse 15.
The automatic electronic batching system 1 is used for batching by adopting automatic electronic metering belt weighers, 8 belt weighers are used, and 1 belt weigher is used for standby application for 7 belt weighers; the electronic automatic metering belt scale is prepared by adopting the existing commercial product; the system needs to realize automatic quantitative feeding and metering of various raw materials used for fertilizer production, computer language programming and color dynamic display of the system, and has the functions of automatic correction and tare weight removal, arbitrary setting of various raw material proportions, manual and automatic undisturbed switching, material overrun alarm, accurate metering and the like; in addition, the operation is simple, popular and easy to understand, and few faults are ensured and are easy to discharge.
The granulation unit 2 consists of a first extrusion granulation unit 21 and a second rotary drum granulation unit 22; the first extrusion granulation unit 21 is composed of a first mixing belt conveyor 211, a mixer 212 and an extrusion granulator 213 which are connected in sequence; the second rotary drum granulation unit 22 is composed of a second mixing belt conveyor 221, a raw material crusher 222 and a rotary drum granulator 223 which are connected in sequence. The extrusion granulator 213 adopts a flat die granulation process, the diameter of the fertilizer is more than or equal to 5mm, and the yield is more than or equal to 90%. The granulator adopts a gear transmission system, has an ideal transmission ratio, large driving torque, stable rotation, simple structure, small occupied area, high yield, low noise and convenient operation and maintenance, is provided with three compression rollers, has uniform feeding and high yield, is provided with an external discharging structure and a feeding cover made of stainless steel, and has the capacity of 3T/h for each flat-die granulator. The rotary drum granulator 223 adopts a rotary drum granulator with a granulation rate of more than 70%, and rubber with wear resistance, corrosion resistance and high temperature resistance is lined in the rotary drum granulator. The granulator adopts a granulation mode of organically combining steam and tail gas washing liquid, and the using amount of the washing liquid is automatically controlled by a flow meter-regulating valve. During granulation, the steam consumption of the granulator is controlled on the premise of controlling the steam pressure to be 4-6kg, and a steam flow meter is arranged to facilitate the control of the steam flow. The first mixing belt conveyor 211 and the second mixing belt conveyor 221 are both connected with the electronic automatic batching system 1; the extrusion granulator 213 and the drum granulator 223 are both connected to the dryer 3.
Aiming at the rotary drum granulation process, the utility model discloses a singly dry by fire two cold processes, promptly: first drying, first cooling, first-stage screening, second-stage cooling and third-stage screening. Two-stage cooling is carried out on the materials by adopting two cooling machines, the first-stage cooling is to carry out cold air cooling on all the materials coming out of the drying machine and blow away water vapor, then the materials are conveyed to a screening post for screening, the screened finished product particles are conveyed to a second cooling machine through a bucket elevator or a belt conveyor, the waste heat of the finished product particles is thoroughly dissipated by secondary cold air, the redundant moisture in the finished product particles can be naturally evaporated along with the dissipation of the waste heat, and finally the requirements of ideal process indexes and product non-caking are met. Wherein, the drying hot air of the dryer 3 adopts an energy-saving burner, and the pipeline natural gas is used as a combustion raw material. The hot air entering the dryer and the dryer tail induced draft fan are controlled by frequency conversion, and the set temperature of the hot blast stove and the rotating speed of the dryer tail air fan (frequency converter control frequency) are controlled and adjusted according to the temperature of the dryer outlet tail gas, the temperature of the conveyor belt material and the humidity, so that the furnace temperature of the hot blast stove is scientifically adjusted, the fuel gas is saved, and the production cost is reduced. The dryer 3 is connected with a primary cooler 4. The primary cooler 4 is controlled by frequency conversion, and the temperature of the outlet tail gas is adjusted by controlling the air quantity by frequency conversion. The primary cooler 4 is connected to the primary sifting group 5.
The primary screening group 5 is composed of a primary screening machine I51 and a primary screening machine II 52. The primary screening machine I51 is connected with the first large-particle crusher 53, and then connected with the mixer 212 through the first large-particle crusher 53. The primary screening machine II 52 is connected with a second large-particle crusher 54, and the second large-particle crusher 54 is connected with a second mixing belt conveyor 221. The primary screening group is a large-particle screening machine for screening out large particles, and the primary screening machine I51 and the primary screening machine II 52 are required to be arranged because the particle size ranges of particles obtained by extrusion granulation and drum granulation are different, and the particles obtained by extrusion granulation are slightly larger, so the screen aperture of the primary screening machine I51 is generally arranged at 5.6mm, and the screen aperture of the primary screening machine II 52 is generally arranged at 4.5mm. The primary screening machine I51 and the primary screening machine II 52 are both connected with the secondary screening machine 6; the secondary screening machine 6 is sequentially connected with a secondary cooling machine 7, a finished product fine screening machine 8, a finished product collecting bin 9, a finished product belt metering scale 10, a film coating machine 11 and a finished product trough 12. The secondary screening machine is a small particle screening machine which screens out fine particles in the particles, and the aperture of a screen mesh is generally set to be 2.5mm; the aperture of the finished product fine screening sieve is consistent with that of the secondary screening sieve, and is also 2.5mm, and the secondary screening sieve is mainly used for preventing small particles from being screened out too soon when the production flow is too large, so that the secondary screening sieve is used as a supplement, and the commodity of the product is improved. The secondary screening machine 6 is also directly connected with a finished product trough 12. The secondary screening machine 6 is also connected with the mixer 212 and the drum granulator 223 respectively. The finished product fine selection screen 8 is also connected to a drum granulator 223.
The coating machine that this embodiment adopted is rotation coating machine, and the organism is inside to adopt corrosion-resistant inside lining or acidproof stainless steel, measures through the belt weigher to the material that gets into coating machine, and with coating film oil measuring pump, coating film powder measurement conveyer interlock, realization automatically regulated and control. The finished product trough is sequentially connected with the electronic automatic metering packing scale, the automatic stacker crane and the finished product warehouse. Finished product packaging adopts matching equipment of automatic metering, manual bagging, automatic edge folding, automatic bag sewing, automatic thread breaking and robot automatic stacking. Realize the semi-automatic control of product packaging, reduce the labour, reduction in production cost. The automatic stacker transports the finished products to a finished product warehouse through a forklift.
Furthermore, the utility model discloses the system still is provided with independent electricity distribution room, is AC380V 50Hz single loop power access point with outside electrical system interface. A motor control is provided with a comprehensive protector, and a control loop is reserved with a DCS hard wiring terminal (including signals of starting, stopping, state, fault and the like); the hot blast stove is required to be provided with a flame detector for alarming, so that accidents are prevented. The explosion-proof level of the field electrical equipment is required to meet the explosion-proof level of the electrical equipment specified by an explosion danger area division diagram (provided by a buyer).
The utility model discloses the system still is provided with center control system, and the control room should be kept apart each other with the electricity distribution room, prevents electromagnetic interference. Detecting and controlling signals by a field instrument; signals such as on-site electrical equipment start and stop are remotely transmitted to a DCS (distributed control system) distributed control system of a control room for centralized display, recording and control, the DCS is required to be an integrated and standardized process control and production management system, advanced, mature and reliable system hardware and software are adopted, and the DCS has complete process control, data acquisition and monitoring functions. The control system meets the control and detection requirements of all equipment and complete instruments on the complete compound fertilizer production line; the control cabinet meets the requirements of on-site protection and explosion prevention.
The granulation production system with the double processes of drum granulation and extrusion granulation simultaneously has the use flow as follows:
when extrusion granulation is required, the electronic automatic batching system 1, the first mixing belt conveyor 211, the mixer 212, the extrusion granulator 213, the dryer 3, the primary cooler 4, the primary screening machine I51, the secondary screening machine 6, the finished product chute 12, the electronic automatic metering packing scale 13, the automatic stacker crane 13 and the finished product warehouse 14 are started in sequence; at the same time, the first large particle crusher 53 is turned on, the large particle substances sieved in the primary sieving machine I51 are returned to the mixer 212 for retreatment, and the small particle substances sieved in the secondary sieving machine 6 can be returned to the mixer for retreatment.
When drum granulation is required, the electronic automatic batching system 1, the second mixing belt conveyor 221, the raw material crusher 222, the drum granulator 223, the dryer 3, the primary cooler 4, the primary screening machine II 52, the secondary screening machine 6, the secondary cooler 7, the finished product fine screening machine 8, the finished product collecting bin 9, the finished product belt metering scale 10, the film coating machine 11, the finished product trough 12, the electronic automatic metering packing scale 13, the automatic stacker crane 13 and the finished product warehouse 14 are sequentially started; meanwhile, the second large particle crusher 54 is started, the large particle substances sieved in the primary sieving machine II 52 are returned to the second mixing belt conveyor 221 again, and the small particle substances in the secondary sieving machine 6 and the finished product fine-sorting sieving machine 8 can be returned to the rotary drum granulator 223 again for treatment again.
The granules obtained by extrusion granulation are cylindrical, and the granulation rate and uniformity are better than those of drum granulation, so a finished product fine screening sieve is not needed; the better uniformity reduces the temperature requirement on the finished product during packaging (the temperature control of the finished product is mainly used for preventing the caking of the fertilizer product), so secondary cooling is not needed; the cylindrical shape also does not allow uniform coating, so the wire does not pass through the coating system when it is started. The extrusion granulation process and the rotary drum granulation process in the production system share the electronic automatic batching system, the dryer, the primary cooler, the secondary screening machine, the finished product trough, the electronic automatic metering packaging scale, the automatic stacking machine and the finished product warehouse, so that the equipment number in the production line is reasonably reduced, and the production cost is greatly reduced.
Claims (3)
1. A granulation production system with a rotary drum granulation process and an extrusion granulation process is characterized by comprising an electronic automatic batching system, a granulation unit, a dryer, a primary cooler, a primary screening unit, a secondary screening machine, a secondary cooler, a finished product fine selection screening machine, a finished product collecting bin, a finished product belt metering scale, a film wrapping machine, a finished product trough and a finished product warehouse which are connected in sequence;
the granulation unit comprises a first extrusion granulation unit and a second rotary drum granulation unit; the first extrusion granulation unit consists of a first mixing belt conveyor, a mixer and an extrusion granulator which are connected in sequence; the second rotary drum granulation unit is composed of a second material mixing belt conveyor, a raw material crusher and a rotary drum granulator which are connected in sequence; the first-stage screening group consists of a first-stage screening machine I and a first-stage screening machine II; the electronic automatic batching system is respectively connected with the first mixing belt conveyor and the second mixing belt conveyor; the extrusion granulator and the rotary drum granulator are respectively connected with a dryer;
the primary screening machine I is connected with a first large-particle crusher, and the first large-particle crusher is connected with the mixer; the primary screening machine II is connected with a second large particle crusher, and the second large particle crusher is connected with the second mixing belt machine; the secondary screening machine is directly connected with a finished product trough through a belt conveyor; and the secondary screening machine is respectively connected with the mixer and the rotary drum granulator through a belt conveyor.
2. The granulation production system with the dual processes of rotary drum granulation and extrusion granulation as claimed in claim 1, wherein the finished product selection screening machine is connected with the rotary drum granulator through a belt conveyor.
3. The granulation production system simultaneously provided with the rotary drum granulation and the extrusion granulation processes as claimed in claim 1, wherein the finished product trough is sequentially connected with an electronic automatic metering packaging scale, an automatic stacker and a finished product warehouse.
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| CN202221304729.4U CN218077760U (en) | 2022-05-27 | 2022-05-27 | Granulation production system with double processes of drum granulation and extrusion granulation |
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| CN202221304729.4U CN218077760U (en) | 2022-05-27 | 2022-05-27 | Granulation production system with double processes of drum granulation and extrusion granulation |
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| CN202221304729.4U Active CN218077760U (en) | 2022-05-27 | 2022-05-27 | Granulation production system with double processes of drum granulation and extrusion granulation |
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