CN212481951U - Horizontal high-speed thin-layer dryer - Google Patents
Horizontal high-speed thin-layer dryer Download PDFInfo
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- CN212481951U CN212481951U CN202021262517.5U CN202021262517U CN212481951U CN 212481951 U CN212481951 U CN 212481951U CN 202021262517 U CN202021262517 U CN 202021262517U CN 212481951 U CN212481951 U CN 212481951U
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Abstract
The utility model relates to a horizontal high-speed thin layer dryer, which comprises a frame assembly; a stirring and drying device is arranged on the stand assembly; and the stirring and drying device is provided with a feeding device and a dust removal device. The stirring and drying device comprises a shell assembly and a shell spacer sleeve wrapped on the shell assembly; the shell spacer bush is provided with a heating inlet and a heating outlet; the heating inlet is positioned above the outlet of the shell assembly, and the heating outlet is positioned below the inlet of the shell assembly; a spacer guide plate is arranged in the spacer of the shell; the inner cavity of the shell spacer is formed into a spiral cavity by the spacer guide plate; the utility model relates to a rationally, compact structure and convenient to use.
Description
Technical Field
The utility model relates to a horizontal high-speed thin layer dryer.
Background
Stirring, drying and other operations are often performed in the chemical, pharmaceutical, food and other industries, and such operations are realized by using process equipment such as a stirrer and a dryer respectively. The existing process equipment has the advantages of single function, large occupied area and complicated flow for realizing the function, and simultaneously, the final effects of stirring operation and drying operation are difficult to ensure. How to realize the multifunction of the equipment while further improving the stirring and drying effects on the materials is a main goal of technicians.
A high-efficiency horizontal type ribbon stirring mixing dryer comprises a horizontally arranged cylinder, a left large flange and a sealing cover which seal the cylinder, a right large flange and a sealing cover which seal the cylinder, and a stirring mechanism; the stirring mechanism comprises a central shaft, an inner spiral belt, an outer spiral belt, a supporting rod, a speed reducer and a motor; the central shaft is arranged in the cylinder and is positioned at the axis of the cylinder, a plurality of support rods are uniformly distributed on the central shaft, the inner spiral belt and at least one outer spiral belt spirally surround the central shaft through the support rods, the inner spiral belt and the outer spiral belt are spirally propelled towards the center of the cylinder or two sides of the cylinder respectively, and the spiral propelling directions of the inner spiral belt and the outer spiral belt are opposite; the speed reducer and the motor are arranged on the outer side of the cylinder body, and the motor is connected with the central shaft penetrating through the large right-end flange and the sealing cover through the speed reducer.
But the existing drier has unreasonable structure and inconvenient cleaning and dust removal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a horizontal high-speed thin layer drying machine is provided overall.
In order to solve the above problems, the utility model adopts the following technical proposal:
a horizontal high-speed thin-layer dryer comprises a frame assembly; a stirring and drying device is arranged on the stand assembly; and the stirring and drying device is provided with a feeding device and a dust removal device.
As a further improvement of the above technical solution:
the stirring and drying device comprises a shell assembly and a shell spacer sleeve wrapped on the shell assembly;
the shell spacer bush is provided with a heating inlet and a heating outlet; the heating inlet is positioned above the outlet of the shell assembly, and the heating outlet is positioned below the inlet of the shell assembly; a spacer guide plate is arranged in the spacer of the shell; the inner cavity of the shell spacer is formed into a spiral cavity by the spacer guide plate;
a drying inner cavity is arranged on the shell component, and a dust exhaust port is arranged in the drying inner cavity so as to be connected with a dust removal device;
a first separating cavity, a second separating cavity and a third separating cavity are sequentially communicated with the drying inner cavity;
a first scraper, a second scraper and a third scraper are spirally distributed on the horizontal stirring shaft;
the waist parts at two sides of the first scraper, the second scraper and the third scraper are provided with scraper semi-arcs; the helix angle of the first scraper is larger than or equal to that of the second scraper, and the third scraper is horizontally arranged;
every two second scraping plates and every two third scraping plates are respectively connected through respective connecting plates and are arranged on the outer side wall of the horizontal stirring shaft through the connecting plates;
in the first separation cavity, the first scrapers and the second scrapers are arranged in a staggered manner; the helix angle of each group of first scraping plates is larger than or equal to that of each group of second scraping plates; each first scraper blade and each second scraper blade are arranged along the axial direction;
in the second separation cavity, each group of second scrapers are spirally arranged; each second scraper is arranged along the axial direction;
in the third separation cavity, each group of third scrapers are spirally arranged; each third scraper is arranged along the axial direction;
relative to the axial lead coordinate of the horizontal stirring shaft, the spiral surface of the first scraper is a parabolic curve, and the spiral surface of the second scraper is an Archimedes spiral line;
gaps smaller than the diameter of the material are formed between the first scraper, the second scraper and the third scraper and the inner cavity of the drying inner cavity;
a discharging channel is arranged at the lower end of the outlet of the drying cavity;
the dust removal device comprises a dust removal shell, the lower end of which is arranged on the dust discharge port; the dedusting shell is sleeved with a dedusting spacer sleeve, and a dedusting filter element assembly is arranged in the dedusting shell; the upper end of the dust removal shell is connected with a dust removal vacuum pumping pipe;
the dust removal filter element assembly is arranged between the dust removal vacuum pumping pipe and the dust discharge port;
a dust removal nitrogen buffer tank is arranged on the dust removal shell, and a nitrogen inlet is formed in the dust removal nitrogen buffer tank;
a cleaning spray ball externally connected with a flushing pipeline is arranged in the dust removal shell;
a dust removal back-flushing pipeline is arranged at the outlet of the dust removal nitrogen buffer tank, and a dust removal angle seat valve and a dust removal one-way valve are arranged on the dust removal back-flushing pipeline; a dust removal back blowing nozzle connected with a dust removal back blowing pipeline is arranged in the dust removal vacuum pumping pipe, and a cleaning flushing nozzle externally connected with a flushing pipeline is arranged in the dust removal shell;
when the dust removal vacuum pumping pipe is vacuumized, the switching frequency of the dust removal angle seat valve is controlled to carry out pulse type back flushing on the dust removal filter element assembly, and dust attached to the dust removal filter element assembly is removed;
the dust removal blowback mouth is used for blowing the filter element group spare inner chamber that removes dust, and the clearance is washed the mouth and is used for washing the debris that adhere to on the filter element group spare lateral wall that removes dust.
The feeding device comprises a lower feeding hole arranged at the upper end of the inlet of the drying inner cavity, a falling support plate is arranged on the inner side wall of the lower feeding hole, a falling grid plate with protruding thorns is placed on the falling support plate, a falling eccentric shaft is horizontally arranged below the falling grid plate with protruding thorns and used for enabling the upper top falling support plate to move up and down in the lower feeding hole, so that the materials are crushed, and blockage is prevented;
a discharging lower taper hole is formed in the discharging channel, a taper valve core matched with the discharging lower taper hole is arranged below the discharging lower taper hole, the discharging lifting rotary push rod drives the taper valve core to upwards seal with the discharging lower taper hole, and a discharging taper threaded shaft is arranged above the taper valve core;
and a dust removal water vapor inlet is formed in the dust removal nitrogen buffer tank.
The dedusting and back-blowing pipeline is provided with a dedusting pressure regulating valve, and the dedusting pressure regulating valve is provided with a dedusting eccentric mandrel so as to open and close the dedusting and back-blowing pipeline;
the dust removal nitrogen buffer tank is connected with a dust removal elastic air bag positioned in the inner cavity of the dust removal filter element assembly, and a dust removal duckbill flat port is distributed on the dust removal elastic air bag; the dust removal elastic air bag is connected with a dust removal air exhaust valve;
the dust removal elastic air bag is inflated to contact and oscillate the dust removal filter element component, and when the pressure is higher than the set pressure, the flat mouth of the dust removal duckbill is opened in a one-way mode;
the dust removal air extraction valve extracts air, so that the dust removal elastic air bag is shrunken after air extraction.
The inner wall of the drying inner cavity is provided with a cleaning spiral bulge, and the cleaning spiral bulge is in transitional connection with the inner wall of the drying inner cavity through a cleaning transition arc;
the tail part of the stirring and drying device is provided with a tail part device; the tail device comprises a bearing seat for supporting the horizontal stirring shaft;
the drying device is characterized in that a cleaning liquid outlet valve is arranged on the upper portion of the drying inner cavity, a cleaning liquid inlet valve is arranged on the upper portion of the drying inner cavity, a process partition plate is arranged at the tail portion of the drying inner cavity, a cleaning through hole is formed in the upper portion of the process partition plate, a cleaning valve core is arranged on the drying inner cavity and used for opening and closing the cleaning through hole, and a cleaning liquid outlet valve is arranged in a tail cavity of the process.
A horizontal high-speed thin layer drying method is provided, which is assisted by a horizontal high-speed thin layer dryer, and comprises a frame assembly; a stirring and drying device is arranged on the stand assembly; a feeding device and a dust removal device are arranged on the stirring and drying device; the method comprises the following steps;
feeding, namely firstly, feeding a material into a drying inner cavity through a lower feeding hole; then, carrying out the operation; when the material is blocked, the falling eccentric shaft pushes the falling supporting plate to move up and down in the lower feeding hole, so that the material is crushed, and the blocking is prevented;
step two, stirring and drying, namely heating the heating inlet and the heating outlet in a reverse circulation manner through a shell spacer bush; then, the motor drives the first scraper blade, the second scraper blade and the third scraper blade to stir through the horizontal stirring shaft, water vapor and dust are collected through the dust removal device, and the dust is adsorbed to the dust removal filter element assembly through the dust removal vacuum pumping pipe; secondly, the material falls through a discharge channel and is discharged.
As a further improvement of the above technical solution:
wherein, the online dust removal step is carried out;
firstly, carrying out the following steps; the dust removal blowback nozzle blows the inner cavity of the dust removal filter element component; then, pulse type back flushing is carried out on the dust removal filter element assembly or the dust removal eccentric mandrel is rotated to open and close the dust removal back flushing pipeline by controlling the switching frequency of the angle seat valve in the process of vacuumizing the dust removal vacuum pumping pipe, so that intermittent vibration air blowing is carried out on the dust removal filter element assembly, and attached dust is blown down; secondly, the dust removal elastic air bag is inflated to contact and oscillate the dust removal filter element assembly, and when the pressure is higher than the set pressure, the flat mouth of the dust removal duckbill is opened to blow air in a single direction;
when the outlet is blocked, the discharging lifting rotary push rod descends, the discharging lower taper hole is separated from the taper valve core, and meanwhile, the discharging taper threaded shaft rotates to crush the material;
when cleaning is needed, firstly, liquid is added through a cleaning liquid inlet valve, the drying inner cavity is cleaned through stirring, the outer side wall of the dust removal filter element assembly is washed through a cleaning spray ball and a cleaning washing nozzle, and materials attached to the outer side wall of the dust removal filter element assembly fall into the drying inner cavity; then, when liquid needs to be drained, the cleaning valve core opens the opening and closing cleaning through hole, so that liquid on the upper portion of the cleaning through hole enters the tail portion of the process partition plate and is drained from the cleaning drain valve; and secondly, opening a cleaning liquid outlet valve to discharge the liquid.
The utility model discloses compact structure, installation area is little, and heat transfer efficiency is high, and it is convenient to change the scraper blade, and maintenance work volume is few, and anterior scraper blade slope, the material moves ahead spirally along the drying chamber inner wall. The clearance between the scraper and the inner wall of the drying chamber is small, and the materials continuously flow in a mode of approximate piston flow. The scraper blade is the complementary distribution of alternating expression, can guarantee that the material on the drying chamber inner wall is whole to be scraped, guarantees that material and drying chamber inner wall can contact completely, and drying efficiency is high. The material drying residence time can be controlled by adjusting the rotating speed. The equipment can continuously carry out drying production.
The utility model relates to a rationally, low cost, durable, safe and reliable, easy operation, labour saving and time saving, saving fund, compact structure and convenient to use.
Drawings
Fig. 1 is a schematic view of the use structure of the present invention.
Fig. 2 is a schematic structural view of the stirring and drying device of the present invention.
Fig. 3 is a schematic view of the dust-removing vacuum pumping tube structure of the present invention.
Figure 4 is the structure schematic diagram of the dust removal duckbill of the utility model.
Fig. 5 is a schematic structural diagram of a first scraper in three views.
Fig. 6 is a schematic structural view of a second scraper in three views.
Fig. 7 is a schematic structural view of a third scraper according to the present invention.
Fig. 8 is a schematic view of the cleaning structure of the present invention.
Wherein: 1. Assembling a frame; 2. a stirring and drying device; 3. a tail device; 4. a feeding device; 5. a dust removal device; 6. a lower feed inlet; 7. dropping an eccentric shaft; 8. dropping the supporting plate; 9. dropping a grid plate with a protruding spine; 10. a shell spacer sleeve; 11. a spacer guide plate; 12. heating the inlet; 13. a heating outlet; 14. a dust exhaust port; 15. drying the inner cavity; 16. a horizontal stirring shaft; 17. a first compartment; 18. a second compartment; 19. a third compartment; 20. a first squeegee; 21. a second squeegee; 22. a third squeegee; 23. a scraper half-arc; 24. a discharge channel; 25. discharging a lower taper hole; 26. a discharging lifting rotating push rod; 27. discharging the conical threaded shaft; 28. a dust removal housing; 29. a dust removal spacer bush; 30. a dust removal filter element assembly; 31. dedusting vacuum pumping; 32. a dust removal nitrogen buffer tank; 33. a dust removal water vapor inlet; 34. cleaning the spraying ball; 35. a dust removal blowback pipeline; 36. a dust removal angle seat valve; 37. a dust removal back-blowing nozzle; 38. a dust removal pressure regulating valve; 39. dedusting eccentric mandrel; 40. cleaning the flushing nozzle; 41. a dust removal elastic air bag; 42. a duckbill flat port for dust removal; 43. a dust removal air extraction valve; 44. cleaning the spiral protrusions; 45. cleaning a transition arc; 46. cleaning a liquid inlet valve; 47. cleaning a liquid outlet valve; 48. a process separator; 49. cleaning the through hole; 50. cleaning the valve core; 51. and cleaning the drain valve.
Detailed Description
As shown in fig. 1 to 8, the horizontal high-speed thin layer dryer of the present embodiment includes a frame assembly 1; a stirring and drying device 2 is arranged on the frame assembly 1; the stirring and drying device 2 is provided with a feeding device 4 and a dust removing device 5.
The stirring and drying device 2 comprises a shell assembly and a shell spacer bush 10 wrapped on the shell assembly;
the shell spacer 10 is provided with a heating inlet 12 and a heating outlet 13; the heating inlet 12 is positioned above the outlet of the shell assembly, and the heating outlet 13 is positioned below the inlet of the shell assembly; a spacer guide plate 11 is arranged in the shell spacer 10; the inner cavity of the shell spacer 10 is formed into a spiral cavity by a spacer guide plate 11;
a drying inner cavity 15 is arranged on the shell assembly, and a dust exhaust port 14 is arranged in the drying inner cavity 15 so as to be connected with the dust removal device 5;
a first compartment 17, a second compartment 18 and a third compartment 19 are communicated with the drying inner cavity 15 in sequence;
a horizontal stirring shaft 16 penetrates through the drying inner cavity 15, and a first scraper 20, a second scraper 21 and a third scraper 22 are spirally distributed on the horizontal stirring shaft 16;
the first scraper 20, the second scraper 21 and the third scraper 22 are provided with scraper semi-arcs 23 at the waist parts at two sides; the scraper semi-arc 23 can pass through the slurry with low resistance, realize flow guide and facilitate the angle adjustment of the scraper.
The helix angle of the first scraper 20 is larger than or equal to that of the second scraper 21, and the third scraper 22 is horizontally arranged;
every two second scraping plates 21 and every two third scraping plates 22 are respectively connected through respective connecting plates and are arranged on the outer side wall of the horizontal stirring shaft 16 through the connecting plates;
in the first compartment 17, the first scraper 20 and the second scraper 21 are arranged in a staggered manner; the helix angle of each set of first blades 20 is greater than or equal to the helix angle of each set of second blades 21; each of the first squeegees 20 and the second squeegees 21 is arranged in the axial direction;
in the second compartment 18, each set of second scrapers 21 is spirally arranged; each second scraper 21 is arranged in the axial direction;
in the third compartment 19, each set of third scrapers 22 is spirally arranged; each third scraper 22 is arranged in the axial direction;
relative to the axial lead coordinate of the horizontal stirring shaft 16, the spiral surface of the first scraper 20 is a parabolic curve, and the spiral surface of the second scraper 21 is an Archimedes spiral;
the first scraper 20, the second scraper 21, the third scraper 22 and the inner cavity of the drying inner cavity 15 are all provided with gaps smaller than the diameter of the material;
a discharging channel 24 is arranged at the lower end of the outlet of the drying cavity 15;
the dust removing device 5 comprises a dust removing shell 28, the lower end of which is arranged on the dust discharging port 14; a dust removal spacer bush 29 is sleeved outside the dust removal shell 28, and a dust removal filter core assembly 30 is arranged in the dust removal shell 28; the upper end of the dust removing shell 28 is connected with a dust removing vacuum pumping pipe 31;
the dust removal filter element assembly 30 is arranged between the dust removal vacuum pumping pipe 31 and the dust discharge port 14;
a dust removal nitrogen buffer tank 32 is arranged on the dust removal shell 28, and a nitrogen inlet is arranged on the dust removal nitrogen buffer tank 32;
a cleaning spray ball 34 externally connected with a flushing pipeline is arranged in the dust removal shell 28;
a dust removal back-flushing pipeline 35 is arranged at the outlet of the dust removal nitrogen buffer tank 32, and a dust removal angle seat valve 36 and a dust removal one-way valve are arranged on the dust removal back-flushing pipeline 35; a dust removal back blowing nozzle 37 connected with the dust removal back blowing pipeline 35 is arranged in the dust removal vacuum pumping pipe 31, and a cleaning and flushing nozzle 40 externally connected with a flushing pipeline is arranged in the dust removal shell 28;
when the dust removal vacuum pumping pipe 31 is vacuumized, the switching frequency of the dust removal angle seat valve 36 is controlled to carry out pulse type back flushing on the dust removal filter element assembly 30, and dust attached to the dust removal filter element assembly 30 is removed;
the dust removal back blowing nozzle 37 is used for blowing the inner cavity of the dust removal filter element assembly 30, and the cleaning and flushing nozzle 40 is used for flushing sundries attached to the outer side wall of the dust removal filter element assembly 30.
The feeding device 4 comprises a lower feeding hole 6 arranged at the upper end of an inlet of the drying inner cavity 15, a falling supporting plate 8 is arranged on the inner side wall of the lower feeding hole 6, a falling belt protruding grid plate 9 is placed on the falling supporting plate 8, a falling eccentric shaft 7 is horizontally arranged below the falling belt protruding grid plate 9 and used for enabling the upper top falling supporting plate 8 to move up and down in the lower feeding hole 6, so that materials are crushed, and blockage is prevented;
a discharging lower taper hole 25 is arranged in the discharging channel 24, a taper valve core matched with the discharging lower taper hole 25 is arranged below the discharging lower taper hole 25, a discharging lifting rotary push rod 26 drives the taper valve core to upwards seal with the discharging lower taper hole 25, and a discharging taper threaded shaft 27 is arranged above the taper valve core;
a dedusting water vapor inlet 33 is arranged on the dedusting nitrogen buffer tank 32.
A dust removal pressure regulating valve 38 is arranged on the dust removal back flushing pipeline 35, and a dust removal eccentric mandrel 39 is arranged on the dust removal pressure regulating valve 38 so as to open and close the dust removal back flushing pipeline 35;
the dust removal nitrogen buffer tank 32 is connected with a dust removal elastic air bag 41 positioned in the inner cavity of the dust removal filter core component 30, and a dust removal duckbill flat port 42 is distributed on the dust removal elastic air bag 41; the dust removal elastic air bag 41 is connected with a dust removal air extraction valve 43;
the dust removal elastic air bag 41 is inflated to contact and oscillate the dust removal filter core component 30, and when the pressure is higher than the set pressure, the dust removal duckbill flat mouth 42 is opened in a one-way mode;
the dust-removing air-extracting valve 43 extracts air, so that the dust-removing elastic air bag 41 is deflated after extracting air.
A cleaning spiral bulge 44 is arranged on the inner wall of the drying inner cavity 15, and the cleaning spiral bulge 44 is in transitional connection with the inner wall of the drying inner cavity 15 through a cleaning transition arc 45;
the tail part of the stirring and drying device 2 is provided with a tail part device 3; the tail device 3 comprises a bearing seat for supporting a horizontal stirring shaft 16;
a cleaning liquid outlet valve 47 is arranged on the drying inner cavity 15, a cleaning liquid inlet valve 46 is arranged on the drying inner cavity 15, a process partition plate 48 is arranged at the tail of the drying inner cavity 15, a cleaning through hole 49 is arranged at the upper part of the process partition plate 48, a cleaning valve core 50 is arranged on the drying inner cavity 15 and used for opening and closing the cleaning through hole 49, and a cleaning liquid outlet valve 51 is arranged in the tail cavity of the process partition plate 48.
The horizontal high-speed thin layer drying method of the embodiment is realized by means of a horizontal high-speed thin layer dryer, which comprises a rack assembly 1; a stirring and drying device 2 is arranged on the frame assembly 1; the stirring and drying device 2 is provided with a feeding device 4 and a dust removal device 5; the method comprises the following steps;
feeding, namely firstly, feeding materials into a drying cavity 15 through a lower feeding hole 6; then, carrying out the operation; when the material is blocked, the falling eccentric shaft 7 pushes the falling supporting plate 8 up and down to move in the lower feeding hole 6, so that the material is crushed and the blocking is prevented;
step two, stirring and drying, namely heating the heating inlet 12 and the heating outlet 13 in a reverse circulation manner through the shell spacer sleeve 10; then, the motor drives the first scraper 20, the second scraper 21 and the third scraper 22 to stir through the horizontal stirring shaft 16, water vapor and dust are collected through the dust removal device 5, and the dust is adsorbed on the dust removal filter element assembly 30 through the dust removal vacuum pumping pipe 31; secondly, the material is discharged by falling through the discharge channel 24.
Wherein, the online dust removal step is carried out;
firstly, carrying out the following steps; the inner cavity of the dust filter core component 30 is blown by the dust removal back blowing nozzle 37; then, in the process of vacuumizing the dust removal vacuum vacuumizing pipe 31, pulse type back blowing is carried out on the dust removal filter element assembly 30 by controlling the switching frequency of the angle seat valve or the dust removal eccentric mandrel 39 is rotated to open and close the dust removal back blowing pipeline 35, so that intermittent vibration blowing is carried out on the dust removal filter element assembly 30, attached dust is blown down, and the vacuumizing efficiency is improved; secondly, the dust removal elastic air bag 41 is inflated to contact and oscillate the dust removal filter core component 30, and when the pressure is higher than the set pressure, the dust removal duckbill flat mouth 42 is opened to blow air in a single direction.
The dust removal washing nozzle 40 and the spraying ball 41 are used for cleaning the dust removal filter element assembly 30, so that the online cleaning of the equipment is realized.
When the outlet is blocked, the discharging lifting rotary push rod 26 descends, the discharging lower taper hole 25 is separated from the taper valve core, and meanwhile, the discharging taper threaded shaft 27 rotates to crush the materials;
when cleaning is needed, firstly, liquid is added through the cleaning liquid inlet valve 46, the drying inner cavity 15 is cleaned through stirring, the outer side wall of the dust removal filter element assembly 30 is washed through the cleaning spray balls 34 and the cleaning washing nozzle 40, and materials attached to the outer side wall of the dust removal filter element assembly 30 fall into the drying inner cavity 15; then, when liquid drainage is needed, the cleaning valve core 50 opens the opening and closing cleaning through hole 49, so that liquid on the upper part of the cleaning through hole 49 enters the tail part of the process partition plate 48 and is drained from the cleaning liquid drainage valve 51; next, the rinse drain valve 47 is opened to drain the liquid.
The utility model discloses first scraper blade 20, second scraper blade 21 and third scraper blade 22 are preferably 2mm with the clearance of dry inner chamber 15 inner chamber to the material that will adhere to on the inner chamber wall is cleared up.
Preferably, the spiral surface of the first scraper 20 is a parabolic curve, so that the materials are pushed forwards with low resistance, the abrasion to the scrapers is reduced, the spiral surface of the second scraper 21 is an Archimedes spiral line, and the uniform axial pushing of all parts of the materials is realized, so that the adhesion is greatly reduced; of course, other helical surfaces or inclined surfaces may be used, but the effect is not good.
The utility model discloses a frame assemblage 1 is for supporting, and stirring and drying device 2 realizes stirring and stoving, and afterbody device 3 realizes supporting, and 4 baits of feed arrangement, dust collector 5 remove dust, the utility model discloses a whereabouts eccentric shaft 7 drives the area down and pricks grid tray 9 up-and-down motion and realizes smashing the material prick suddenly. The shell spacer sleeve 10 realizes heating, the spacer sleeve guide plate 11 realizes flow guide, the heating inlet 12 and the heating outlet 13 realize circulation, heat is fully utilized, the dust exhaust port 14 realizes dust removal, the drying inner cavity 15 is three chambers, the horizontal stirring shaft 16 realizes stirring, the first separation chamber 17, the second separation chamber 18 and the third separation chamber 19, the first scraper 20, the second scraper 21 and the third scraper 22 realize stirring, the design is reasonable, the drying is full, the scraper semi-arc 23 realizes pushing of materials, the discharging lower conical hole 25, the discharging lifting rotating push rod 26, the discharging conical threaded shaft 27 realizes multiple functions of sealing, opening, closing and dredging, the dust removal spacer sleeve 29 realizes heating, the dust removal filter core assembly 30 realizes filtering, the dust removal vacuum pumping pipe 31 realizes dust removal, the dust removal nitrogen cache tank 32 realizes uniform nitrogen transportation, the dust removal water vapor inlet 33 is not preferred and only provides reference, the cleaning spray ball 34 realizes blowing, the clearance is realized to dust removal blowback nozzle 37, dust removal air-vent valve 38 realizes through the eccentric dabber 39 that removes dust that intermittent type nature opens and shuts in order to produce the vibration to the filter core, the clearance washes the outside clearance of 40 realization of mouths, the vibration is realized to dust removal elasticity gasbag 41, dust removal duckbilled flat mouth 42 realizes one-way blowing, dust removal bleeder valve 43 reduces the gasbag and diminishes, clearance spiral bulge 44, clearance transition arc 45 is different from traditional thinking, avoid adhering to debris, utilize the radian to avoid mixing with debris, utilize unsmooth material of avoiding simultaneously to be extrudeed together.
As the concrete application, the drying chamber is designed to be cylindrical, the gap between the scraper and the inner wall of the drying chamber is extremely small, the scraper is specially designed in angle and specially distributed on the stirring shaft, so that materials continuously flow in a piston flow mode, the materials can be completely contacted with the inner wall of the drying chamber, the drying efficiency is high, and the drying device is suitable for drying medium and low viscosity slurry products in the industries of pharmacy, food, chemical engineering and the like.
As a specific application, the drying chamber is designed to be cylindrical, a heating jacket is welded on the outer wall of the drying chamber, and heat is transferred to materials from a heating medium by heating of the jacket and high-speed rotation of the stirring shaft scraper. The drying chamber is finely processed, so that a gap with the same size is ensured between each scraper and the inner wall of the dryer, a minimum gap is formed between each scraper and the heating wall when each scraper rotates, and the front scraper is obliquely designed, so that the material spirally moves forwards along the inner wall of the equipment and continuously flows in a mode of being similar to piston flow. The scraper blades are in staggered complementary distribution on the stirring shaft, so that the materials on the inner wall of the drying chamber can be completely scraped, and the materials can be completely contacted with the heating wall. The scraper blade is fixed on the stirring shaft through a bolt, so that the scraper blade is convenient to detach, replace and maintain.
The stirring shaft rotates at a high speed, the scraper fixed on the stirring shaft can uniformly mix materials, the materials are prevented from being bonded on the inner wall of the drying chamber, the speed of the stirring shaft can be increased for thermosensitive materials, the retention time of the thermosensitive materials on the heating inner wall of the drying chamber is reduced, and the temperature of a dried product can be controlled. By adjusting the jacket temperature and the rotation speed of the stirring shaft, drying conditions for a specific material can be found.
Selecting a heating form according to material characteristics: hot oil, hot water, steam, etc.
The utility model discloses being equipped with the dust remover, inside is equipped with the filter core, and the filter core is sintering net shape formula, and the dust remover has the heating jacket, and gas condensation influences drying efficiency and product quality when preventing the drying, still is equipped with filter core blowback cleaning system simultaneously to carry out the blowback to the filter core at dry in-process, clear away the material that is stained with on the filter core. The dust remover is provided with the spray ball and the spray nozzle for CIP, so that the dust remover is ensured to be cleaned thoroughly.
The sealing between the two ends of the stirring shaft and the tank body is in rotary sealing through mechanical sealing, and the two ends of the stirring shaft are respectively provided with a bearing for supporting, so that the system has small vibration, and the operation and the running of the equipment are very stable.
Gap between the scraper and the inner wall of the drying chamber: 2 mm. The rotating speed range of the stirring shaft is 145-242 RPM.
The present invention has been fully described for a clear disclosure, and is not further described in detail in the prior art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious to those skilled in the art that a plurality of embodiments of the present invention may be combined. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (4)
1. A horizontal high-speed thin-layer dryer is characterized in that: comprises a frame assembly (1); a stirring and drying device (2) is arranged on the frame assembly (1); a feeding device (4) and a dust removal device (5) are arranged on the stirring and drying device (2);
the stirring and drying device (2) comprises a shell assembly and a shell spacer bush (10) wrapped on the shell assembly;
the shell spacer bush (10) is provided with a heating inlet (12) and a heating outlet (13); the heating inlet (12) is positioned above the outlet of the shell assembly, and the heating outlet (13) is positioned below the inlet of the shell assembly; a spacer guide plate (11) is arranged in the shell spacer (10); the inner cavity of the shell spacer sleeve (10) is formed into a spiral cavity by a spacer sleeve guide plate (11);
a drying inner cavity (15) is arranged on the shell component, and a dust exhaust port (14) is arranged on the drying inner cavity (15) so as to be connected with the dust removal device (5);
a first separating chamber (17), a second separating chamber (18) and a third separating chamber (19) are communicated in the drying inner chamber (15) in sequence;
a horizontal stirring shaft (16) penetrates through the drying inner cavity (15), and a first scraper (20), a second scraper (21) and a third scraper (22) are spirally distributed on the horizontal stirring shaft (16);
the waist parts at two sides of the first scraper (20), the second scraper (21) and the third scraper (22) are provided with scraper semi-arcs (23); the helix angle of the first scraper (20) is larger than or equal to that of the second scraper (21), and the third scraper (22) is horizontally arranged;
every two second scraping plates (21) and every two third scraping plates (22) are respectively connected through respective connecting plates and are arranged on the outer side wall of the horizontal stirring shaft (16) through the connecting plates;
in the first compartment (17), the first scrapers (20) and the second scrapers (21) are arranged in a staggered manner; the helix angle of each group of the first scrapers (20) is larger than or equal to that of each group of the second scrapers (21); each first scraper (20) and each second scraper (21) are arranged along the axial direction;
in the second compartment (18), each group of second scrapers (21) is spirally arranged; each second scraper (21) is arranged along the axial direction;
in the third compartment (19), each group of third scrapers (22) is spirally arranged; each third scraper (22) is arranged along the axial direction;
relative to the axial lead coordinate of the horizontal stirring shaft (16), the spiral surface of the first scraper (20) is a parabolic curve, and the spiral surface of the second scraper (21) is an Archimedes spiral;
gaps smaller than the diameter of the material are formed in the inner cavities of the first scraper (20), the second scraper (21), the third scraper (22) and the drying inner cavity (15);
a discharging channel (24) is arranged at the lower end of the outlet of the drying inner cavity (15);
the dust removal device (5) comprises a dust removal shell (28) the lower end of which is arranged on the dust discharge port (14); a dedusting spacer bush (29) is sleeved outside the dedusting shell (28), and a dedusting filter core assembly (30) is arranged in the dedusting shell (28); the upper end of the dust removal shell (28) is connected with a dust removal vacuum pumping pipe (31);
the dust removal filter element assembly (30) is arranged between the dust removal vacuum pumping pipe (31) and the dust discharge port (14);
a dedusting nitrogen buffer tank (32) is arranged on the dedusting shell (28), and a nitrogen inlet is arranged on the dedusting nitrogen buffer tank (32);
a cleaning spray ball (34) externally connected with a flushing pipeline is arranged in the dust removal shell (28);
a dust removal back-flushing pipeline (35) is arranged at the outlet of the dust removal nitrogen buffer tank (32), and a dust removal angle seat valve (36) and a dust removal one-way valve are arranged on the dust removal back-flushing pipeline (35); a dust removal back blowing nozzle (37) connected with a dust removal back blowing pipeline (35) is arranged in the dust removal vacuum pumping pipe (31), and a cleaning and flushing nozzle (40) externally connected with a flushing pipeline is arranged in the dust removal shell (28);
when the dust removal vacuum pumping pipe (31) is vacuumized, the switching frequency of the dust removal angle seat valve (36) is controlled to carry out pulse type back flushing on the dust removal filter core component (30) so as to remove dust attached to the dust removal filter core component (30);
the dust removal back blowing nozzle (37) is used for blowing the inner cavity of the dust filter element assembly (30), and the cleaning and flushing nozzle (40) is used for flushing sundries attached to the outer side wall of the dust filter element assembly (30).
2. The horizontal high-speed thin layer dryer of claim 1, wherein: the feeding device (4) comprises a lower feeding hole (6) arranged at the upper end of an inlet of the drying inner cavity (15), a falling supporting plate (8) is arranged on the inner side wall of the lower feeding hole (6), a falling belt protruding grid plate (9) is placed on the falling supporting plate (8), and a falling eccentric shaft (7) is horizontally arranged below the falling belt protruding grid plate (9) and is used for enabling the upper falling supporting plate (8) to move up and down in the lower feeding hole (6), so that the materials are crushed and prevented from being blocked;
a discharging lower taper hole (25) is formed in the discharging channel (24), a taper valve core matched with the discharging lower taper hole (25) is arranged below the discharging lower taper hole (25), a discharging lifting rotary push rod (26) drives the taper valve core to upwards seal with the discharging lower taper hole (25), and a discharging taper threaded shaft (27) is arranged above the taper valve core;
a dust removal water vapor inlet (33) is arranged on the dust removal nitrogen buffer tank (32).
3. A horizontal high-speed thin-layer dryer is characterized in that: comprises a frame assembly (1); a stirring and drying device (2) is arranged on the frame assembly (1); a feeding device (4) and a dust removal device (5) are arranged on the stirring and drying device (2);
a dust removal pressure regulating valve (38) is arranged on the dust removal back-blowing pipeline (35), and a dust removal eccentric mandrel (39) is arranged on the dust removal pressure regulating valve (38) to open and close the dust removal back-blowing pipeline (35);
the dust removal nitrogen buffer tank (32) is connected with a dust removal elastic air bag (41) positioned in the inner cavity of the dust removal filter core component (30), and a dust removal duckbill flat port (42) is distributed on the dust removal elastic air bag (41); the dust removal elastic air bag (41) is connected with a dust removal air extraction valve (43);
the dust removal elastic air bag (41) is inflated to contact and oscillate the dust removal filter core assembly (30), and when the pressure is higher than the set pressure, the dust removal duckbill flat opening (42) is opened in a one-way mode;
the dust removal air extraction valve (43) extracts air, so that the dust removal elastic air bag (41) is deflated after air extraction.
4. A horizontal high-speed thin-layer dryer is characterized in that: comprises a frame assembly (1); a stirring and drying device (2) is arranged on the frame assembly (1); a feeding device (4) and a dust removal device (5) are arranged on the stirring and drying device (2);
a cleaning spiral bulge (44) is arranged on the inner wall of the drying inner cavity (15), and the cleaning spiral bulge (44) is in transitional connection with the inner wall of the drying inner cavity (15) through a cleaning transition arc (45);
a tail device (3) is arranged at the tail part of the stirring and drying device (2); the tail device (3) comprises a bearing seat for supporting the horizontal stirring shaft (16);
the cleaning device is characterized in that a cleaning liquid outlet valve (47) is arranged on the drying inner cavity (15), a cleaning liquid inlet valve (46) is arranged on the drying inner cavity (15), a process partition plate (48) is arranged at the tail of the drying inner cavity (15), a cleaning through hole (49) is arranged at the upper part of the process partition plate (48), a cleaning valve core (50) is arranged on the drying inner cavity (15) and used for opening and closing the cleaning through hole (49), and a cleaning liquid outlet valve (51) is arranged in the tail cavity of the process partition plate (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021262517.5U CN212481951U (en) | 2020-07-02 | 2020-07-02 | Horizontal high-speed thin-layer dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021262517.5U CN212481951U (en) | 2020-07-02 | 2020-07-02 | Horizontal high-speed thin-layer dryer |
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| CN212481951U true CN212481951U (en) | 2021-02-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113952877A (en) * | 2021-09-30 | 2022-01-21 | 四川轻化工大学 | Double-screw stirring equipment for composite fiber production |
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2020
- 2020-07-02 CN CN202021262517.5U patent/CN212481951U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113952877A (en) * | 2021-09-30 | 2022-01-21 | 四川轻化工大学 | Double-screw stirring equipment for composite fiber production |
| CN113952877B (en) * | 2021-09-30 | 2023-05-12 | 四川轻化工大学 | Double-screw stirring equipment for composite fiber production |
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